Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits)
  [SCSI] ibmvscsi: convert to use the data buffer accessors
  [SCSI] dc395x: convert to use the data buffer accessors
  [SCSI] ncr53c8xx: convert to use the data buffer accessors
  [SCSI] sym53c8xx: convert to use the data buffer accessors
  [SCSI] ppa: coding police and printk levels
  [SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc
  [SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c
  [SCSI] remove the dead CYBERSTORMIII_SCSI option
  [SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA
  [SCSI] Clean up scsi_add_lun a bit
  [SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs
  [SCSI] sni_53c710: Cleanup
  [SCSI] qla4xxx: Fix underrun/overrun conditions
  [SCSI] megaraid_mbox: use mutex instead of semaphore
  [SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation.
  [SCSI] qla2xxx: update version to 8.02.00-k1.
  [SCSI] qla2xxx: add support for NPIV
  [SCSI] stex: use resid for xfer len information
  [SCSI] Add Brownie 1200U3P to blacklist
  [SCSI] scsi.c: convert to use the data buffer accessors
  ...

Documentation/scsi/aacraid.txt

@@ -50,6 +50,9 @@ Supported Cards/Chipsets
 	9005:0285:9005:02be	Adaptec	31605 (Marauder160)
 	9005:0285:9005:02c3	Adaptec	51205 (Voodoo120)
 	9005:0285:9005:02c4	Adaptec	51605 (Voodoo160)
+	9005:0285:9005:02ce	Adaptec	51245 (Voodoo124)
+	9005:0285:9005:02cf	Adaptec	51645 (Voodoo164)
+	9005:0285:9005:02d0	Adaptec	52445 (Voodoo244)
 	1011:0046:9005:0364	Adaptec	5400S (Mustang)
 	9005:0287:9005:0800	Adaptec	Themisto (Jupiter)
 	9005:0200:9005:0200	Adaptec	Themisto (Jupiter)

Documentation/scsi/scsi_fc_transport.txt

@@ -0,0 +1,450 @@
+                             SCSI FC Tansport
+                 =============================================
+
+Date:  4/12/2007
+Kernel Revisions for features:
+  rports : <<TBS>>
+  vports : 2.6.22 (? TBD)
+
+
+Introduction
+============
+This file documents the features and components of the SCSI FC Transport.
+It also provides documents the API between the transport and FC LLDDs.
+The FC transport can be found at:
+  drivers/scsi/scsi_transport_fc.c
+  include/scsi/scsi_transport_fc.h
+  include/scsi/scsi_netlink_fc.h
+
+This file is found at Documentation/scsi/scsi_fc_transport.txt
+
+
+FC Remote Ports (rports)
+========================================================================
+<< To Be Supplied >>
+
+
+FC Virtual Ports (vports)
+========================================================================
+
+Overview:
+-------------------------------
+
+  New FC standards have defined mechanisms which allows for a single physical
+  port to appear on as multiple communication ports. Using the N_Port Id
+  Virtualization (NPIV) mechanism, a point-to-point connection to a Fabric
+  can be assigned more than 1 N_Port_ID.  Each N_Port_ID appears as a
+  separate port to other endpoints on the fabric, even though it shares one
+  physical link to the switch for communication. Each N_Port_ID can have a
+  unique view of the fabric based on fabric zoning and array lun-masking
+  (just like a normal non-NPIV adapter).  Using the Virtual Fabric (VF)
+  mechanism, adding a fabric header to each frame allows the port to
+  interact with the Fabric Port to join multiple fabrics. The port will
+  obtain an N_Port_ID on each fabric it joins. Each fabric will have its
+  own unique view of endpoints and configuration parameters.  NPIV may be
+  used together with VF so that the port can obtain multiple N_Port_IDs
+  on each virtual fabric.
+
+  The FC transport is now recognizing a new object - a vport.  A vport is
+  an entity that has a world-wide unique World Wide Port Name (wwpn) and
+  World Wide Node Name (wwnn). The transport also allows for the FC4's to
+  be specified for the vport, with FCP_Initiator being the primary role
+  expected. Once instantiated by one of the above methods, it will have a
+  distinct N_Port_ID and view of fabric endpoints and storage entities.
+  The fc_host associated with the physical adapter will export the ability
+  to create vports. The transport will create the vport object within the
+  Linux device tree, and instruct the fc_host's driver to instantiate the
+  virtual port. Typically, the driver will create a new scsi_host instance
+  on the vport, resulting in a unique <H,C,T,L> namespace for the vport.
+  Thus, whether a FC port is based on a physical port or on a virtual port,
+  each will appear as a unique scsi_host with its own target and lun space.
+
+  Note: At this time, the transport is written to create only NPIV-based
+    vports. However, consideration was given to VF-based vports and it
+    should be a minor change to add support if needed.  The remaining
+    discussion will concentrate on NPIV.
+
+  Note: World Wide Name assignment (and uniqueness guarantees) are left
+    up to an administrative entity controling the vport. For example,
+    if vports are to be associated with virtual machines, a XEN mgmt
+    utility would be responsible for creating wwpn/wwnn's for the vport,
+    using it's own naming authority and OUI. (Note: it already does this
+    for virtual MAC addresses).
+
+
+Device Trees and Vport Objects:
+-------------------------------
+
+  Today, the device tree typically contains the scsi_host object,
+  with rports and scsi target objects underneath it. Currently the FC
+  transport creates the vport object and places it under the scsi_host
+  object corresponding to the physical adapter.  The LLDD will allocate
+  a new scsi_host for the vport and link it's object under the vport.
+  The remainder of the tree under the vports scsi_host is the same
+  as the non-NPIV case. The transport is written currently to easily
+  allow the parent of the vport to be something other than the scsi_host.
+  This could be used in the future to link the object onto a vm-specific
+  device tree. If the vport's parent is not the physical port's scsi_host,
+  a symbolic link to the vport object will be placed in the physical
+  port's scsi_host.
+
+  Here's what to expect in the device tree :
+   The typical Physical Port's Scsi_Host:
+     /sys/devices/.../host17/
+   and it has the typical decendent tree:
+     /sys/devices/.../host17/rport-17:0-0/target17:0:0/17:0:0:0:
+   and then the vport is created on the Physical Port:
+     /sys/devices/.../host17/vport-17:0-0
+   and the vport's Scsi_Host is then created:
+     /sys/devices/.../host17/vport-17:0-0/host18
+   and then the rest of the tree progresses, such as:
+     /sys/devices/.../host17/vport-17:0-0/host18/rport-18:0-0/target18:0:0/18:0:0:0:
+
+  Here's what to expect in the sysfs tree :
+   scsi_hosts:
+     /sys/class/scsi_host/host17                physical port's scsi_host
+     /sys/class/scsi_host/host18                vport's scsi_host
+   fc_hosts:
+     /sys/class/fc_host/host17                  physical port's fc_host
+     /sys/class/fc_host/host18                  vport's fc_host
+   fc_vports:
+     /sys/class/fc_vports/vport-17:0-0          the vport's fc_vport
+   fc_rports:
+     /sys/class/fc_remote_ports/rport-17:0-0    rport on the physical port
+     /sys/class/fc_remote_ports/rport-18:0-0    rport on the vport
+
+
+Vport Attributes:
+-------------------------------
+
+  The new fc_vport class object has the following attributes
+
+     node_name:                                                 Read_Only
+       The WWNN of the vport
+
+     port_name:                                                 Read_Only
+       The WWPN of the vport
+
+     roles:                                                     Read_Only
+       Indicates the FC4 roles enabled on the vport.
+
+     symbolic_name:                                             Read_Write
+       A string, appended to the driver's symbolic port name string, which
+       is registered with the switch to identify the vport. For example,
+       a hypervisor could set this string to "Xen Domain 2 VM 5 Vport 2",
+       and this set of identifiers can be seen on switch management screens
+       to identify the port.
+
+     vport_delete:                                              Write_Only
+       When written with a "1", will tear down the vport.
+
+     vport_disable:                                             Write_Only
+       When written with a "1", will transition the vport to a disabled.
+       state.  The vport will still be instantiated with the Linux kernel,
+       but it will not be active on the FC link.
+       When written with a "0", will enable the vport.
+
+     vport_last_state:                                          Read_Only
+       Indicates the previous state of the vport.  See the section below on
+       "Vport States".
+
+     vport_state:                                               Read_Only
+       Indicates the state of the vport.  See the section below on
+       "Vport States".
+
+     vport_type:                                                Read_Only
+       Reflects the FC mechanism used to create the virtual port.
+       Only NPIV is supported currently.
+
+
+  For the fc_host class object, the following attributes are added for vports:
+
+     max_npiv_vports:                                           Read_Only
+       Indicates the maximum number of NPIV-based vports that the
+       driver/adapter can support on the fc_host.
+
+     npiv_vports_inuse:                                         Read_Only
+       Indicates how many NPIV-based vports have been instantiated on the
+       fc_host.
+
+     vport_create:                                              Write_Only
+       A "simple" create interface to instantiate a vport on an fc_host.
+       A "<WWPN>:<WWNN>" string is written to the attribute. The transport
+       then instantiates the vport object and calls the LLDD to create the
+       vport with the role of FCP_Initiator.  Each WWN is specified as 16
+       hex characters and may *not* contain any prefixes (e.g. 0x, x, etc).
+
+     vport_delete:                                              Write_Only
+        A "simple" delete interface to teardown a vport. A "<WWPN>:<WWNN>"
+        string is written to the attribute. The transport will locate the
+        vport on the fc_host with the same WWNs and tear it down.  Each WWN
+        is specified as 16 hex characters and may *not* contain any prefixes
+        (e.g. 0x, x, etc).
+
+
+Vport States:
+-------------------------------
+
+  Vport instantiation consists of two parts:
+    - Creation with the kernel and LLDD. This means all transport and
+      driver data structures are built up, and device objects created.
+      This is equivalent to a driver "attach" on an adapter, which is
+      independent of the adapter's link state.
+    - Instantiation of the vport on the FC link via ELS traffic, etc.
+      This is equivalent to a "link up" and successfull link initialization.
+  Futher information can be found in the interfaces section below for
+  Vport Creation.
+
+  Once a vport has been instantiated with the kernel/LLDD, a vport state
+  can be reported via the sysfs attribute. The following states exist:
+
+    FC_VPORT_UNKNOWN            - Unknown
+      An temporary state, typically set only while the vport is being
+      instantiated with the kernel and LLDD.
+
+    FC_VPORT_ACTIVE             - Active
+      The vport has been successfully been created on the FC link.
+      It is fully functional.
+
+    FC_VPORT_DISABLED           - Disabled
+      The vport instantiated, but "disabled". The vport is not instantiated
+      on the FC link. This is equivalent to a physical port with the
+      link "down".
+
+    FC_VPORT_LINKDOWN           - Linkdown
+      The vport is not operational as the physical link is not operational.
+
+    FC_VPORT_INITIALIZING       - Initializing
+      The vport is in the process of instantiating on the FC link.
+      The LLDD will set this state just prior to starting the ELS traffic
+      to create the vport. This state will persist until the vport is
+      successfully created (state becomes FC_VPORT_ACTIVE) or it fails
+      (state is one of the values below).  As this state is transitory,
+      it will not be preserved in the "vport_last_state".
+
+    FC_VPORT_NO_FABRIC_SUPP     - No Fabric Support
+      The vport is not operational. One of the following conditions were
+      encountered:
+       - The FC topology is not Point-to-Point
+       - The FC port is not connected to an F_Port
+       - The F_Port has indicated that NPIV is not supported.
+
+    FC_VPORT_NO_FABRIC_RSCS     - No Fabric Resources
+      The vport is not operational. The Fabric failed FDISC with a status
+      indicating that it does not have sufficient resources to complete
+      the operation.
+
+    FC_VPORT_FABRIC_LOGOUT      - Fabric Logout
+      The vport is not operational. The Fabric has LOGO'd the N_Port_ID
+      associated with the vport.
+
+    FC_VPORT_FABRIC_REJ_WWN     - Fabric Rejected WWN
+      The vport is not operational. The Fabric failed FDISC with a status
+      indicating that the WWN's are not valid.
+
+    FC_VPORT_FAILED             - VPort Failed
+      The vport is not operational. This is a catchall for all other
+      error conditions.
+
+
+  The following state table indicates the different state transitions:
+
+    State              Event                            New State
+    --------------------------------------------------------------------
+     n/a                Initialization                  Unknown
+    Unknown:            Link Down                       Linkdown
+                        Link Up & Loop                  No Fabric Support
+                        Link Up & no Fabric             No Fabric Support
+                        Link Up & FLOGI response        No Fabric Support
+                          indicates no NPIV support
+                        Link Up & FDISC being sent      Initializing
+                        Disable request                 Disable
+    Linkdown:           Link Up                         Unknown
+    Initializing:       FDISC ACC                       Active
+                        FDISC LS_RJT w/ no resources    No Fabric Resources
+                        FDISC LS_RJT w/ invalid         Fabric Rejected WWN
+                          pname or invalid nport_id
+                        FDISC LS_RJT failed for         Vport Failed
+                          other reasons
+                        Link Down                       Linkdown
+                        Disable request                 Disable
+    Disable:            Enable request                  Unknown
+    Active:             LOGO received from fabric       Fabric Logout
+                        Link Down                       Linkdown
+                        Disable request                 Disable
+    Fabric Logout:      Link still up                   Unknown
+
+         The following 4 error states all have the same transitions:
+    No Fabric Support:
+    No Fabric Resources:
+    Fabric Rejected WWN:
+    Vport Failed:
+                        Disable request                 Disable
+                        Link goes down                  Linkdown
+
+
+Transport <-> LLDD Interfaces :
+-------------------------------
+
+Vport support by LLDD:
+
+  The LLDD indicates support for vports by supplying a vport_create()
+  function in the transport template.  The presense of this function will
+  cause the creation of the new attributes on the fc_host.  As part of
+  the physical port completing its initialization relative to the
+  transport, it should set the max_npiv_vports attribute to indicate the
+  maximum number of vports the driver and/or adapter supports.
+
+
+Vport Creation:
+
+  The LLDD vport_create() syntax is:
+
+      int vport_create(struct fc_vport *vport, bool disable)
+
+    where:
+      vport:    Is the newly allocated vport object
+      disable:  If "true", the vport is to be created in a disabled stated.
+                If "false", the vport is to be enabled upon creation.
+
+  When a request is made to create a new vport (via sgio/netlink, or the
+  vport_create fc_host attribute), the transport will validate that the LLDD
+  can support another vport (e.g. max_npiv_vports > npiv_vports_inuse).
+  If not, the create request will be failed.  If space remains, the transport
+  will increment the vport count, create the vport object, and then call the
+  LLDD's vport_create() function with the newly allocated vport object.
+
+  As mentioned above, vport creation is divided into two parts:
+    - Creation with the kernel and LLDD. This means all transport and
+      driver data structures are built up, and device objects created.
+      This is equivalent to a driver "attach" on an adapter, which is
+      independent of the adapter's link state.
+    - Instantiation of the vport on the FC link via ELS traffic, etc.
+      This is equivalent to a "link up" and successfull link initialization.
+
+  The LLDD's vport_create() function will not synchronously wait for both
+  parts to be fully completed before returning. It must validate that the
+  infrastructure exists to support NPIV, and complete the first part of
+  vport creation (data structure build up) before returning.  We do not
+  hinge vport_create() on the link-side operation mainly because:
+    - The link may be down. It is not a failure if it is. It simply
+      means the vport is in an inoperable state until the link comes up.
+      This is consistent with the link bouncing post vport creation.
+    - The vport may be created in a disabled state.
+    - This is consistent with a model where:  the vport equates to a
+      FC adapter. The vport_create is synonymous with driver attachment
+      to the adapter, which is independent of link state.
+
+    Note: special error codes have been defined to delineate infrastructure
+      failure cases for quicker resolution.
+
+  The expected behavior for the LLDD's vport_create() function is:
+    - Validate Infrastructure:
+        - If the driver or adapter cannot support another vport, whether
+            due to improper firmware, (a lie about) max_npiv, or a lack of
+            some other resource - return VPCERR_UNSUPPORTED.
+        - If the driver validates the WWN's against those already active on
+            the adapter and detects an overlap - return VPCERR_BAD_WWN.
+        - If the driver detects the topology is loop, non-fabric, or the
+            FLOGI did not support NPIV - return VPCERR_NO_FABRIC_SUPP.
+    - Allocate data structures. If errors are encountered, such as out
+        of memory conditions, return the respective negative Exxx error code.
+    - If the role is FCP Initiator, the LLDD is to :
+        - Call scsi_host_alloc() to allocate a scsi_host for the vport.
+        - Call scsi_add_host(new_shost, &vport->dev) to start the scsi_host
+          and bind it as a child of the vport device.
+        - Initializes the fc_host attribute values.
+    - Kick of further vport state transitions based on the disable flag and
+        link state - and return success (zero).
+
+  LLDD Implementers Notes:
+  - It is suggested that there be a different fc_function_templates for
+    the physical port and the virtual port.  The physical port's template
+    would have the vport_create, vport_delete, and vport_disable functions,
+    while the vports would not.
+  - It is suggested that there be different scsi_host_templates
+    for the physical port and virtual port. Likely, there are driver
+    attributes, embedded into the scsi_host_template, that are applicable
+    for the physical port only (link speed, topology setting, etc). This
+    ensures that the attributes are applicable to the respective scsi_host.
+
+
+Vport Disable/Enable:
+
+  The LLDD vport_disable() syntax is:
+
+      int vport_disable(struct fc_vport *vport, bool disable)
+
+    where:
+      vport:    Is vport to to be enabled or disabled
+      disable:  If "true", the vport is to be disabled.
+                If "false", the vport is to be enabled.
+
+  When a request is made to change the disabled state on a vport, the
+  transport will validate the request against the existing vport state.
+  If the request is to disable and the vport is already disabled, the
+  request will fail. Similarly, if the request is to enable, and the
+  vport is not in a disabled state, the request will fail.  If the request
+  is valid for the vport state, the transport will call the LLDD to
+  change the vport's state.
+
+  Within the LLDD, if a vport is disabled, it remains instantiated with
+  the kernel and LLDD, but it is not active or visible on the FC link in
+  any way. (see Vport Creation and the 2 part instantiation discussion).
+  The vport will remain in this state until it is deleted or re-enabled.
+  When enabling a vport, the LLDD reinstantiates the vport on the FC
+  link - essentially restarting the LLDD statemachine (see Vport States
+  above).
+
+
+Vport Deletion:
+
+  The LLDD vport_delete() syntax is:
+
+      int vport_delete(struct fc_vport *vport)
+
+    where:
+      vport:    Is vport to delete
+
+  When a request is made to delete a vport (via sgio/netlink, or via the
+  fc_host or fc_vport vport_delete attributes), the transport will call
+  the LLDD to terminate the vport on the FC link, and teardown all other
+  datastructures and references.  If the LLDD completes successfully,
+  the transport will teardown the vport objects and complete the vport
+  removal.  If the LLDD delete request fails, the vport object will remain,
+  but will be in an indeterminate state.
+
+  Within the LLDD, the normal code paths for a scsi_host teardown should
+  be followed. E.g. If the vport has a FCP Initiator role, the LLDD
+  will call fc_remove_host() for the vports scsi_host, followed by
+  scsi_remove_host() and scsi_host_put() for the vports scsi_host.
+
+
+Other:
+  fc_host port_type attribute:
+    There is a new fc_host port_type value - FC_PORTTYPE_NPIV. This value
+    must be set on all vport-based fc_hosts.  Normally, on a physical port,
+    the port_type attribute would be set to NPORT, NLPORT, etc based on the
+    topology type and existence of the fabric. As this is not applicable to
+    a vport, it makes more sense to report the FC mechanism used to create
+    the vport.
+
+  Driver unload:
+    FC drivers are required to call fc_remove_host() prior to calling
+    scsi_remove_host().  This allows the fc_host to tear down all remote
+    ports prior the scsi_host being torn down.  The fc_remove_host() call
+    was updated to remove all vports for the fc_host as well.
+
+
+Credits
+=======
+The following people have contributed to this document:
+
+
+
+
+
+
+James Smart
+james.smart@emulex.com
+

drivers/block/cciss_scsi.c

@@ -555,7 +555,6 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag)
 {
 	struct scsi_cmnd *cmd;
 	ctlr_info_t *ctlr;
-	u64bit addr64;
 	ErrorInfo_struct *ei;
 
 	ei = cp->err_info;
@@ -569,20 +568,7 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag)
 	cmd = (struct scsi_cmnd *) cp->scsi_cmd;	
 	ctlr = hba[cp->ctlr];
 
-	/* undo the DMA mappings */
-
-	if (cmd->use_sg) {
-		pci_unmap_sg(ctlr->pdev,
-			cmd->request_buffer, cmd->use_sg,
-				cmd->sc_data_direction); 
-	}
-	else if (cmd->request_bufflen) {
-		addr64.val32.lower = cp->SG[0].Addr.lower;
-                addr64.val32.upper = cp->SG[0].Addr.upper;
-                pci_unmap_single(ctlr->pdev, (dma_addr_t) addr64.val,
-                	cmd->request_bufflen, 
-				cmd->sc_data_direction);
-	}
+	scsi_dma_unmap(cmd);
 
 	cmd->result = (DID_OK << 16); 		/* host byte */
 	cmd->result |= (COMMAND_COMPLETE << 8);	/* msg byte */
@@ -597,7 +583,7 @@ complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag)
 		ei->SenseLen > SCSI_SENSE_BUFFERSIZE ?
 			SCSI_SENSE_BUFFERSIZE : 
 			ei->SenseLen);
-	cmd->resid = ei->ResidualCnt;
+	scsi_set_resid(cmd, ei->ResidualCnt);
 
 	if(ei->CommandStatus != 0) 
 	{ /* an error has occurred */ 
@@ -1204,46 +1190,29 @@ cciss_scatter_gather(struct pci_dev *pdev,
 		CommandList_struct *cp,	
 		struct scsi_cmnd *cmd)
 {
-	unsigned int use_sg, nsegs=0, len;
-	struct scatterlist *scatter = (struct scatterlist *) cmd->request_buffer;
+	unsigned int len;
+	struct scatterlist *sg;
 	__u64 addr64;
-
-	/* is it just one virtual address? */	
-	if (!cmd->use_sg) {
-		if (cmd->request_bufflen) {	/* anything to xfer? */
-
-			addr64 = (__u64) pci_map_single(pdev, 
-				cmd->request_buffer, 
-				cmd->request_bufflen, 
-				cmd->sc_data_direction); 
-	
-			cp->SG[0].Addr.lower = 
-			  (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
-			cp->SG[0].Addr.upper =
-			  (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
-			cp->SG[0].Len = cmd->request_bufflen;
-			nsegs=1;
-		}
-	} /* else, must be a list of virtual addresses.... */
-	else if (cmd->use_sg <= MAXSGENTRIES) {	/* not too many addrs? */
-
-		use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg,
-			cmd->sc_data_direction);
-
-		for (nsegs=0; nsegs < use_sg; nsegs++) {
-			addr64 = (__u64) sg_dma_address(&scatter[nsegs]);
-			len  = sg_dma_len(&scatter[nsegs]);
-			cp->SG[nsegs].Addr.lower =
-			  (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
-			cp->SG[nsegs].Addr.upper =
-			  (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
-			cp->SG[nsegs].Len = len;
-			cp->SG[nsegs].Ext = 0;  // we are not chaining
+	int use_sg, i;
+
+	BUG_ON(scsi_sg_count(cmd) > MAXSGENTRIES);
+
+	use_sg = scsi_dma_map(cmd);
+	if (use_sg) {	/* not too many addrs? */
+		scsi_for_each_sg(cmd, sg, use_sg, i) {
+			addr64 = (__u64) sg_dma_address(sg);
+			len  = sg_dma_len(sg);
+			cp->SG[i].Addr.lower =
+				(__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
+			cp->SG[i].Addr.upper =
+				(__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
+			cp->SG[i].Len = len;
+			cp->SG[i].Ext = 0;  // we are not chaining
 		}
-	} else BUG();
+	}
 
-	cp->Header.SGList = (__u8) nsegs;   /* no. SGs contig in this cmd */
-	cp->Header.SGTotal = (__u16) nsegs; /* total sgs in this cmd list */
+	cp->Header.SGList = (__u8) use_sg;   /* no. SGs contig in this cmd */
+	cp->Header.SGTotal = (__u16) use_sg; /* total sgs in this cmd list */
 	return;
 }
 

drivers/ieee1394/sbp2.c

@@ -1509,69 +1509,6 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb,
 	}
 }
 
-static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb,
-					struct sbp2_fwhost_info *hi,
-					struct sbp2_command_info *cmd,
-					struct scatterlist *sgpnt,
-					u32 orb_direction,
-					unsigned int scsi_request_bufflen,
-					void *scsi_request_buffer,
-					enum dma_data_direction dma_dir)
-{
-	cmd->dma_dir = dma_dir;
-	cmd->dma_size = scsi_request_bufflen;
-	cmd->dma_type = CMD_DMA_SINGLE;
-	cmd->cmd_dma = dma_map_single(hi->host->device.parent,
-				      scsi_request_buffer,
-				      cmd->dma_size, cmd->dma_dir);
-	orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id);
-	orb->misc |= ORB_SET_DIRECTION(orb_direction);
-
-	/* handle case where we get a command w/o s/g enabled
-	 * (but check for transfers larger than 64K) */
-	if (scsi_request_bufflen <= SBP2_MAX_SG_ELEMENT_LENGTH) {
-
-		orb->data_descriptor_lo = cmd->cmd_dma;
-		orb->misc |= ORB_SET_DATA_SIZE(scsi_request_bufflen);
-
-	} else {
-		/* The buffer is too large. Turn this into page tables. */
-
-		struct sbp2_unrestricted_page_table *sg_element =
-						&cmd->scatter_gather_element[0];
-		u32 sg_count, sg_len;
-		dma_addr_t sg_addr;
-
-		orb->data_descriptor_lo = cmd->sge_dma;
-		orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1);
-
-		/* fill out our SBP-2 page tables; split up the large buffer */
-		sg_count = 0;
-		sg_len = scsi_request_bufflen;
-		sg_addr = cmd->cmd_dma;
-		while (sg_len) {
-			sg_element[sg_count].segment_base_lo = sg_addr;
-			if (sg_len > SBP2_MAX_SG_ELEMENT_LENGTH) {
-				sg_element[sg_count].length_segment_base_hi =
-					PAGE_TABLE_SET_SEGMENT_LENGTH(SBP2_MAX_SG_ELEMENT_LENGTH);
-				sg_addr += SBP2_MAX_SG_ELEMENT_LENGTH;
-				sg_len -= SBP2_MAX_SG_ELEMENT_LENGTH;
-			} else {
-				sg_element[sg_count].length_segment_base_hi =
-					PAGE_TABLE_SET_SEGMENT_LENGTH(sg_len);
-				sg_len = 0;
-			}
-			sg_count++;
-		}
-
-		orb->misc |= ORB_SET_DATA_SIZE(sg_count);
-
-		sbp2util_cpu_to_be32_buffer(sg_element,
-				(sizeof(struct sbp2_unrestricted_page_table)) *
-				sg_count);
-	}
-}
-
 static void sbp2_create_command_orb(struct sbp2_lu *lu,
 				    struct sbp2_command_info *cmd,
 				    unchar *scsi_cmd,
@@ -1615,13 +1552,9 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu,
 		orb->data_descriptor_hi = 0x0;
 		orb->data_descriptor_lo = 0x0;
 		orb->misc |= ORB_SET_DIRECTION(1);
-	} else if (scsi_use_sg)
+	} else
 		sbp2_prep_command_orb_sg(orb, hi, cmd, scsi_use_sg, sgpnt,
 					 orb_direction, dma_dir);
-	else
-		sbp2_prep_command_orb_no_sg(orb, hi, cmd, sgpnt, orb_direction,
-					    scsi_request_bufflen,
-					    scsi_request_buffer, dma_dir);
 
 	sbp2util_cpu_to_be32_buffer(orb, sizeof(*orb));
 
@@ -1710,15 +1643,15 @@ static int sbp2_send_command(struct sbp2_lu *lu, struct scsi_cmnd *SCpnt,
 			     void (*done)(struct scsi_cmnd *))
 {
 	unchar *scsi_cmd = (unchar *)SCpnt->cmnd;
-	unsigned int request_bufflen = SCpnt->request_bufflen;
+	unsigned int request_bufflen = scsi_bufflen(SCpnt);
 	struct sbp2_command_info *cmd;
 
 	cmd = sbp2util_allocate_command_orb(lu, SCpnt, done);
 	if (!cmd)
 		return -EIO;
 
-	sbp2_create_command_orb(lu, cmd, scsi_cmd, SCpnt->use_sg,
-				request_bufflen, SCpnt->request_buffer,
+	sbp2_create_command_orb(lu, cmd, scsi_cmd, scsi_sg_count(SCpnt),
+				request_bufflen, scsi_sglist(SCpnt),
 				SCpnt->sc_data_direction);
 	sbp2_link_orb_command(lu, cmd);
 

drivers/infiniband/ulp/iser/iscsi_iser.c

@@ -134,19 +134,9 @@ iscsi_iser_cmd_init(struct iscsi_cmd_task *ctask)
 {
 	struct iscsi_iser_conn     *iser_conn  = ctask->conn->dd_data;
 	struct iscsi_iser_cmd_task *iser_ctask = ctask->dd_data;
-	struct scsi_cmnd  *sc = ctask->sc;
 
 	iser_ctask->command_sent = 0;
 	iser_ctask->iser_conn    = iser_conn;
-
-	if (sc->sc_data_direction == DMA_TO_DEVICE) {
-		BUG_ON(ctask->total_length == 0);
-
-		debug_scsi("cmd [itt %x total %d imm %d unsol_data %d\n",
-			   ctask->itt, ctask->total_length, ctask->imm_count,
-			   ctask->unsol_count);
-	}
-
 	iser_ctask_rdma_init(iser_ctask);
 }
 
@@ -219,6 +209,14 @@ iscsi_iser_ctask_xmit(struct iscsi_conn *conn,
 	struct iscsi_iser_cmd_task *iser_ctask = ctask->dd_data;
 	int error = 0;
 
+	if (ctask->sc->sc_data_direction == DMA_TO_DEVICE) {
+		BUG_ON(scsi_bufflen(ctask->sc) == 0);
+
+		debug_scsi("cmd [itt %x total %d imm %d unsol_data %d\n",
+			   ctask->itt, scsi_bufflen(ctask->sc),
+			   ctask->imm_count, ctask->unsol_count);
+	}
+
 	debug_scsi("ctask deq [cid %d itt 0x%x]\n",
 		   conn->id, ctask->itt);
 
@@ -375,7 +373,8 @@ static struct iscsi_transport iscsi_iser_transport;
 static struct iscsi_cls_session *
 iscsi_iser_session_create(struct iscsi_transport *iscsit,
 			 struct scsi_transport_template *scsit,
-			  uint32_t initial_cmdsn, uint32_t *hostno)
+			 uint16_t cmds_max, uint16_t qdepth,
+			 uint32_t initial_cmdsn, uint32_t *hostno)
 {
 	struct iscsi_cls_session *cls_session;
 	struct iscsi_session *session;
@@ -386,7 +385,13 @@ iscsi_iser_session_create(struct iscsi_transport *iscsit,
 	struct iscsi_iser_cmd_task *iser_ctask;
 	struct iser_desc *desc;
 
+	/*
+	 * we do not support setting can_queue cmd_per_lun from userspace yet
+	 * because we preallocate so many resources
+	 */
 	cls_session = iscsi_session_setup(iscsit, scsit,
+					  ISCSI_DEF_XMIT_CMDS_MAX,
+					  ISCSI_MAX_CMD_PER_LUN,
 					  sizeof(struct iscsi_iser_cmd_task),
 					  sizeof(struct iser_desc),
 					  initial_cmdsn, &hn);
@@ -545,7 +550,7 @@ iscsi_iser_ep_disconnect(__u64 ep_handle)
 static struct scsi_host_template iscsi_iser_sht = {
 	.name                   = "iSCSI Initiator over iSER, v." DRV_VER,
 	.queuecommand           = iscsi_queuecommand,
-	.can_queue		= ISCSI_XMIT_CMDS_MAX - 1,
+	.can_queue		= ISCSI_DEF_XMIT_CMDS_MAX - 1,
 	.sg_tablesize           = ISCSI_ISER_SG_TABLESIZE,
 	.max_sectors		= 1024,
 	.cmd_per_lun            = ISCSI_MAX_CMD_PER_LUN,
@@ -574,8 +579,12 @@ static struct iscsi_transport iscsi_iser_transport = {
 				  ISCSI_EXP_STATSN |
 				  ISCSI_PERSISTENT_PORT |
 				  ISCSI_PERSISTENT_ADDRESS |
-				  ISCSI_TARGET_NAME |
-				  ISCSI_TPGT,
+				  ISCSI_TARGET_NAME | ISCSI_TPGT |
+				  ISCSI_USERNAME | ISCSI_PASSWORD |
+				  ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN,
+	.host_param_mask	= ISCSI_HOST_HWADDRESS |
+				  ISCSI_HOST_NETDEV_NAME |
+				  ISCSI_HOST_INITIATOR_NAME,
 	.host_template          = &iscsi_iser_sht,
 	.conndata_size		= sizeof(struct iscsi_conn),
 	.max_lun                = ISCSI_ISER_MAX_LUN,
@@ -592,6 +601,9 @@ static struct iscsi_transport iscsi_iser_transport = {
 	.get_session_param	= iscsi_session_get_param,
 	.start_conn             = iscsi_iser_conn_start,
 	.stop_conn              = iscsi_conn_stop,
+	/* iscsi host params */
+	.get_host_param		= iscsi_host_get_param,
+	.set_host_param		= iscsi_host_set_param,
 	/* IO */
 	.send_pdu		= iscsi_conn_send_pdu,
 	.get_stats		= iscsi_iser_conn_get_stats,

drivers/infiniband/ulp/iser/iscsi_iser.h

@@ -98,7 +98,7 @@
 #define ISER_MAX_TX_MISC_PDUS		6 /* NOOP_OUT(2), TEXT(1),         *
 					   * SCSI_TMFUNC(2), LOGOUT(1) */
 
-#define ISER_QP_MAX_RECV_DTOS		(ISCSI_XMIT_CMDS_MAX + \
+#define ISER_QP_MAX_RECV_DTOS		(ISCSI_DEF_XMIT_CMDS_MAX + \
 					ISER_MAX_RX_MISC_PDUS    +  \
 					ISER_MAX_TX_MISC_PDUS)
 
@@ -110,7 +110,7 @@
 
 #define ISER_INFLIGHT_DATAOUTS		8
 
-#define ISER_QP_MAX_REQ_DTOS		(ISCSI_XMIT_CMDS_MAX *    \
+#define ISER_QP_MAX_REQ_DTOS		(ISCSI_DEF_XMIT_CMDS_MAX *    \
 					(1 + ISER_INFLIGHT_DATAOUTS) + \
 					ISER_MAX_TX_MISC_PDUS        + \
 					ISER_MAX_RX_MISC_PDUS)

drivers/infiniband/ulp/iser/iser_initiator.c

@@ -351,18 +351,12 @@ int iser_send_command(struct iscsi_conn     *conn,
 	else
 		data_buf = &iser_ctask->data[ISER_DIR_OUT];
 
-	if (sc->use_sg) { /* using a scatter list */
-		data_buf->buf  = sc->request_buffer;
-		data_buf->size = sc->use_sg;
-	} else if (sc->request_bufflen) {
-		/* using a single buffer - convert it into one entry SG */
-		sg_init_one(&data_buf->sg_single,
-			    sc->request_buffer, sc->request_bufflen);
-		data_buf->buf   = &data_buf->sg_single;
-		data_buf->size  = 1;
+	if (scsi_sg_count(sc)) { /* using a scatter list */
+		data_buf->buf  = scsi_sglist(sc);
+		data_buf->size = scsi_sg_count(sc);
 	}
 
-	data_buf->data_len = sc->request_bufflen;
+	data_buf->data_len = scsi_bufflen(sc);
 
 	if (hdr->flags & ISCSI_FLAG_CMD_READ) {
 		err = iser_prepare_read_cmd(ctask, edtl);

drivers/infiniband/ulp/iser/iser_verbs.c

@@ -155,8 +155,8 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
 	params.max_pages_per_fmr = ISCSI_ISER_SG_TABLESIZE + 1;
 	/* make the pool size twice the max number of SCSI commands *
 	 * the ML is expected to queue, watermark for unmap at 50%  */
-	params.pool_size	 = ISCSI_XMIT_CMDS_MAX * 2;
-	params.dirty_watermark	 = ISCSI_XMIT_CMDS_MAX;
+	params.pool_size	 = ISCSI_DEF_XMIT_CMDS_MAX * 2;
+	params.dirty_watermark	 = ISCSI_DEF_XMIT_CMDS_MAX;
 	params.cache		 = 0;
 	params.flush_function	 = NULL;
 	params.access		 = (IB_ACCESS_LOCAL_WRITE  |

drivers/infiniband/ulp/srp/ib_srp.c

@@ -455,10 +455,7 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd,
 			   struct srp_target_port *target,
 			   struct srp_request *req)
 {
-	struct scatterlist *scat;
-	int nents;
-
-	if (!scmnd->request_buffer ||
+	if (!scsi_sglist(scmnd) ||
 	    (scmnd->sc_data_direction != DMA_TO_DEVICE &&
 	     scmnd->sc_data_direction != DMA_FROM_DEVICE))
 		return;
@@ -468,20 +465,8 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd,
 		req->fmr = NULL;
 	}
 
-	/*
-	 * This handling of non-SG commands can be killed when the
-	 * SCSI midlayer no longer generates non-SG commands.
-	 */
-	if (likely(scmnd->use_sg)) {
-		nents = scmnd->use_sg;
-		scat  = scmnd->request_buffer;
-	} else {
-		nents = 1;
-		scat  = &req->fake_sg;
-	}
-
-	ib_dma_unmap_sg(target->srp_host->dev->dev, scat, nents,
-			scmnd->sc_data_direction);
+	ib_dma_unmap_sg(target->srp_host->dev->dev, scsi_sglist(scmnd),
+			scsi_sg_count(scmnd), scmnd->sc_data_direction);
 }
 
 static void srp_remove_req(struct srp_target_port *target, struct srp_request *req)
@@ -595,6 +580,7 @@ static int srp_map_fmr(struct srp_target_port *target, struct scatterlist *scat,
 	int ret;
 	struct srp_device *dev = target->srp_host->dev;
 	struct ib_device *ibdev = dev->dev;
+	struct scatterlist *sg;
 
 	if (!dev->fmr_pool)
 		return -ENODEV;
@@ -604,16 +590,16 @@ static int srp_map_fmr(struct srp_target_port *target, struct scatterlist *scat,
 		return -EINVAL;
 
 	len = page_cnt = 0;
-	for (i = 0; i < sg_cnt; ++i) {
-		unsigned int dma_len = ib_sg_dma_len(ibdev, &scat[i]);
+	scsi_for_each_sg(req->scmnd, sg, sg_cnt, i) {
+		unsigned int dma_len = ib_sg_dma_len(ibdev, sg);
 
-		if (ib_sg_dma_address(ibdev, &scat[i]) & ~dev->fmr_page_mask) {
+		if (ib_sg_dma_address(ibdev, sg) & ~dev->fmr_page_mask) {
 			if (i > 0)
 				return -EINVAL;
 			else
 				++page_cnt;
 		}
-		if ((ib_sg_dma_address(ibdev, &scat[i]) + dma_len) &
+		if ((ib_sg_dma_address(ibdev, sg) + dma_len) &
 		    ~dev->fmr_page_mask) {
 			if (i < sg_cnt - 1)
 				return -EINVAL;
@@ -633,12 +619,12 @@ static int srp_map_fmr(struct srp_target_port *target, struct scatterlist *scat,
 		return -ENOMEM;
 
 	page_cnt = 0;
-	for (i = 0; i < sg_cnt; ++i) {
-		unsigned int dma_len = ib_sg_dma_len(ibdev, &scat[i]);
+	scsi_for_each_sg(req->scmnd, sg, sg_cnt, i) {
+		unsigned int dma_len = ib_sg_dma_len(ibdev, sg);
 
 		for (j = 0; j < dma_len; j += dev->fmr_page_size)
 			dma_pages[page_cnt++] =
-				(ib_sg_dma_address(ibdev, &scat[i]) &
+				(ib_sg_dma_address(ibdev, sg) &
 				 dev->fmr_page_mask) + j;
 	}
 
@@ -673,7 +659,7 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
 	struct srp_device *dev;
 	struct ib_device *ibdev;
 
-	if (!scmnd->request_buffer || scmnd->sc_data_direction == DMA_NONE)
+	if (!scsi_sglist(scmnd) || scmnd->sc_data_direction == DMA_NONE)
 		return sizeof (struct srp_cmd);
 
 	if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&
@@ -683,18 +669,8 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
 		return -EINVAL;
 	}
 
-	/*
-	 * This handling of non-SG commands can be killed when the
-	 * SCSI midlayer no longer generates non-SG commands.
-	 */
-	if (likely(scmnd->use_sg)) {
-		nents = scmnd->use_sg;
-		scat  = scmnd->request_buffer;
-	} else {
-		nents = 1;
-		scat  = &req->fake_sg;
-		sg_init_one(scat, scmnd->request_buffer, scmnd->request_bufflen);
-	}
+	nents = scsi_sg_count(scmnd);
+	scat  = scsi_sglist(scmnd);
 
 	dev = target->srp_host->dev;
 	ibdev = dev->dev;
@@ -724,6 +700,7 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
 		 * descriptor.
 		 */
 		struct srp_indirect_buf *buf = (void *) cmd->add_data;
+		struct scatterlist *sg;
 		u32 datalen = 0;
 		int i;
 
@@ -732,11 +709,11 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
 			sizeof (struct srp_indirect_buf) +
 			count * sizeof (struct srp_direct_buf);
 
-		for (i = 0; i < count; ++i) {
-			unsigned int dma_len = ib_sg_dma_len(ibdev, &scat[i]);
+		scsi_for_each_sg(scmnd, sg, count, i) {
+			unsigned int dma_len = ib_sg_dma_len(ibdev, sg);
 
 			buf->desc_list[i].va  =
-				cpu_to_be64(ib_sg_dma_address(ibdev, &scat[i]));
+				cpu_to_be64(ib_sg_dma_address(ibdev, sg));
 			buf->desc_list[i].key =
 				cpu_to_be32(dev->mr->rkey);
 			buf->desc_list[i].len = cpu_to_be32(dma_len);
@@ -802,9 +779,9 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
 		}
 
 		if (rsp->flags & (SRP_RSP_FLAG_DOOVER | SRP_RSP_FLAG_DOUNDER))
-			scmnd->resid = be32_to_cpu(rsp->data_out_res_cnt);
+			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt));
 		else if (rsp->flags & (SRP_RSP_FLAG_DIOVER | SRP_RSP_FLAG_DIUNDER))
-			scmnd->resid = be32_to_cpu(rsp->data_in_res_cnt);
+			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));
 
 		if (!req->tsk_mgmt) {
 			scmnd->host_scribble = (void *) -1L;

drivers/infiniband/ulp/srp/ib_srp.h

@@ -106,11 +106,6 @@ struct srp_request {
 	struct srp_iu	       *cmd;
 	struct srp_iu	       *tsk_mgmt;
 	struct ib_pool_fmr     *fmr;
-	/*
-	 * Fake scatterlist used when scmnd->use_sg==0.  Can be killed
-	 * when the SCSI midlayer no longer generates non-SG commands.
-	 */
-	struct scatterlist	fake_sg;
 	struct completion	done;
 	short			index;
 	u8			cmd_done;

drivers/message/fusion/linux_compat.h

@@ -1,9 +0,0 @@
-/* drivers/message/fusion/linux_compat.h */
-
-#ifndef FUSION_LINUX_COMPAT_H
-#define FUSION_LINUX_COMPAT_H
-
-#include <linux/version.h>
-#include <scsi/scsi_device.h>
-
-#endif /* _LINUX_COMPAT_H */

drivers/message/fusion/lsi/mpi.h

@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2000-2006 LSI Logic Corporation.
+ *  Copyright (c) 2000-2007 LSI Logic Corporation.
  *
  *
  *           Name:  mpi.h
  *          Title:  MPI Message independent structures and definitions
  *  Creation Date:  July 27, 2000
  *
- *    mpi.h Version:  01.05.12
+ *    mpi.h Version:  01.05.13
  *
  *  Version History
  *  ---------------
@@ -78,6 +78,7 @@
  *  08-30-05  01.05.10  Added 2 new IOCStatus codes for Target.
  *  03-27-06  01.05.11  Bumped MPI_HEADER_VERSION_UNIT.
  *  10-11-06  01.05.12  Bumped MPI_HEADER_VERSION_UNIT.
+ *  05-24-07  01.05.13  Bumped MPI_HEADER_VERSION_UNIT.
  *  --------------------------------------------------------------------------
  */
 
@@ -108,7 +109,7 @@
 /* Note: The major versions of 0xe0 through 0xff are reserved */
 
 /* versioning for this MPI header set */
-#define MPI_HEADER_VERSION_UNIT             (0x0E)
+#define MPI_HEADER_VERSION_UNIT             (0x10)
 #define MPI_HEADER_VERSION_DEV              (0x00)
 #define MPI_HEADER_VERSION_UNIT_MASK        (0xFF00)
 #define MPI_HEADER_VERSION_UNIT_SHIFT       (8)

drivers/message/fusion/lsi/mpi_cnfg.h

@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2000-2006 LSI Logic Corporation.
+ *  Copyright (c) 2000-2007 LSI Logic Corporation.
  *
  *
  *           Name:  mpi_cnfg.h
  *          Title:  MPI Config message, structures, and Pages
  *  Creation Date:  July 27, 2000
  *
- *    mpi_cnfg.h Version:  01.05.13
+ *    mpi_cnfg.h Version:  01.05.15
  *
  *  Version History
  *  ---------------
@@ -293,6 +293,21 @@
  *                      Added more AccessStatus values for SAS Device Page 0.
  *                      Added bit for SATA Asynchronous Notification Support in
  *                      Flags field of SAS Device Page 0.
+ *  02-28-07  01.05.14  Added ExtFlags field to Manufacturing Page 4.
+ *                      Added Disable SMART Polling for CapabilitiesFlags of
+ *                      IOC Page 6.
+ *                      Added Disable SMART Polling to DeviceSettings of BIOS
+ *                      Page 1.
+ *                      Added Multi-Port Domain bit for DiscoveryStatus field
+ *                      of SAS IO Unit Page.
+ *                      Added Multi-Port Domain Illegal flag for SAS IO Unit
+ *                      Page 1 AdditionalControlFlags field.
+ *  05-24-07  01.05.15  Added Hide Physical Disks with Non-Integrated RAID
+ *                      Metadata bit to Manufacturing Page 4 ExtFlags field.
+ *                      Added Internal Connector to End Device Present bit to
+ *                      Expander Page 0 Flags field.
+ *                      Fixed define for
+ *                      MPI_SAS_EXPANDER1_DISCINFO_BAD_PHY_DISABLED.
  *  --------------------------------------------------------------------------
  */
 
@@ -639,7 +654,7 @@ typedef struct _CONFIG_PAGE_MANUFACTURING_4
     U8                              InfoSize1;          /* 0Bh */
     U8                              InquirySize;        /* 0Ch */
     U8                              Flags;              /* 0Dh */
-    U16                             Reserved2;          /* 0Eh */
+    U16                             ExtFlags;           /* 0Eh */
     U8                              InquiryData[56];    /* 10h */
     U32                             ISVolumeSettings;   /* 48h */
     U32                             IMEVolumeSettings;  /* 4Ch */
@@ -658,7 +673,7 @@ typedef struct _CONFIG_PAGE_MANUFACTURING_4
 } CONFIG_PAGE_MANUFACTURING_4, MPI_POINTER PTR_CONFIG_PAGE_MANUFACTURING_4,
   ManufacturingPage4_t, MPI_POINTER pManufacturingPage4_t;
 
-#define MPI_MANUFACTURING4_PAGEVERSION                  (0x04)
+#define MPI_MANUFACTURING4_PAGEVERSION                  (0x05)
 
 /* defines for the Flags field */
 #define MPI_MANPAGE4_FORCE_BAD_BLOCK_TABLE              (0x80)
@@ -670,6 +685,12 @@ typedef struct _CONFIG_PAGE_MANUFACTURING_4
 #define MPI_MANPAGE4_IM_RESYNC_CACHE_ENABLE             (0x02)
 #define MPI_MANPAGE4_IR_NO_MIX_SAS_SATA                 (0x01)
 
+/* defines for the ExtFlags field */
+#define MPI_MANPAGE4_EXTFLAGS_HIDE_NON_IR_METADATA      (0x0008)
+#define MPI_MANPAGE4_EXTFLAGS_SAS_CACHE_DISABLE         (0x0004)
+#define MPI_MANPAGE4_EXTFLAGS_SATA_CACHE_DISABLE        (0x0002)
+#define MPI_MANPAGE4_EXTFLAGS_LEGACY_MODE               (0x0001)
+
 
 #ifndef MPI_MANPAGE5_NUM_FORCEWWID
 #define MPI_MANPAGE5_NUM_FORCEWWID      (1)
@@ -781,7 +802,7 @@ typedef struct _CONFIG_PAGE_MANUFACTURING_9
 } CONFIG_PAGE_MANUFACTURING_9, MPI_POINTER PTR_CONFIG_PAGE_MANUFACTURING_9,
   ManufacturingPage9_t, MPI_POINTER pManufacturingPage9_t;
 
-#define MPI_MANUFACTURING6_PAGEVERSION                  (0x00)
+#define MPI_MANUFACTURING9_PAGEVERSION                  (0x00)
 
 
 typedef struct _CONFIG_PAGE_MANUFACTURING_10
@@ -1138,6 +1159,8 @@ typedef struct _CONFIG_PAGE_IOC_6
 
 /* IOC Page 6 Capabilities Flags */
 
+#define MPI_IOCPAGE6_CAP_FLAGS_DISABLE_SMART_POLLING    (0x00000008)
+
 #define MPI_IOCPAGE6_CAP_FLAGS_MASK_METADATA_SIZE       (0x00000006)
 #define MPI_IOCPAGE6_CAP_FLAGS_64MB_METADATA_SIZE       (0x00000000)
 #define MPI_IOCPAGE6_CAP_FLAGS_512MB_METADATA_SIZE      (0x00000002)
@@ -1208,6 +1231,7 @@ typedef struct _CONFIG_PAGE_BIOS_1
 #define MPI_BIOSPAGE1_IOCSET_ALTERNATE_CHS              (0x00000008)
 
 /* values for the DeviceSettings field */
+#define MPI_BIOSPAGE1_DEVSET_DISABLE_SMART_POLLING      (0x00000010)
 #define MPI_BIOSPAGE1_DEVSET_DISABLE_SEQ_LUN            (0x00000008)
 #define MPI_BIOSPAGE1_DEVSET_DISABLE_RM_LUN             (0x00000004)
 #define MPI_BIOSPAGE1_DEVSET_DISABLE_NON_RM_LUN         (0x00000002)
@@ -2281,11 +2305,11 @@ typedef struct _CONFIG_PAGE_RAID_VOL_0
 typedef struct _CONFIG_PAGE_RAID_VOL_1
 {
     CONFIG_PAGE_HEADER      Header;         /* 00h */
-    U8                      VolumeID;       /* 01h */
-    U8                      VolumeBus;      /* 02h */
-    U8                      VolumeIOC;      /* 03h */
-    U8                      Reserved0;      /* 04h */
-    U8                      GUID[24];       /* 05h */
+    U8                      VolumeID;       /* 04h */
+    U8                      VolumeBus;      /* 05h */
+    U8                      VolumeIOC;      /* 06h */
+    U8                      Reserved0;      /* 07h */
+    U8                      GUID[24];       /* 08h */
     U8                      Name[32];       /* 20h */
     U64                     WWID;           /* 40h */
     U32                     Reserved1;      /* 48h */
@@ -2340,7 +2364,7 @@ typedef struct _RAID_PHYS_DISK0_STATUS
 } RAID_PHYS_DISK0_STATUS, MPI_POINTER PTR_RAID_PHYS_DISK0_STATUS,
   RaidPhysDiskStatus_t, MPI_POINTER pRaidPhysDiskStatus_t;
 
-/* RAID Volume 2 IM Physical Disk DiskStatus flags */
+/* RAID Physical Disk PhysDiskStatus flags */
 
 #define MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC           (0x01)
 #define MPI_PHYSDISK0_STATUS_FLAG_QUIESCED              (0x02)
@@ -2544,6 +2568,7 @@ typedef struct _CONFIG_PAGE_SAS_IO_UNIT_0
 #define MPI_SAS_IOUNIT0_DS_TABLE_LINK                       (0x00000400)
 #define MPI_SAS_IOUNIT0_DS_UNSUPPORTED_DEVICE               (0x00000800)
 #define MPI_SAS_IOUNIT0_DS_MAX_SATA_TARGETS                 (0x00001000)
+#define MPI_SAS_IOUNIT0_DS_MULTI_PORT_DOMAIN                (0x00002000)
 
 
 typedef struct _MPI_SAS_IO_UNIT1_PHY_DATA
@@ -2607,6 +2632,7 @@ typedef struct _CONFIG_PAGE_SAS_IO_UNIT_1
 #define MPI_SAS_IOUNIT1_CONTROL_CLEAR_AFFILIATION           (0x0001)
 
 /* values for SAS IO Unit Page 1 AdditionalControlFlags */
+#define MPI_SAS_IOUNIT1_ACONTROL_MULTI_PORT_DOMAIN_ILLEGAL          (0x0080)
 #define MPI_SAS_IOUNIT1_ACONTROL_SATA_ASYNCHROUNOUS_NOTIFICATION    (0x0040)
 #define MPI_SAS_IOUNIT1_ACONTROL_HIDE_NONZERO_ATTACHED_PHY_IDENT    (0x0020)
 #define MPI_SAS_IOUNIT1_ACONTROL_PORT_ENABLE_ONLY_SATA_LINK_RESET   (0x0010)
@@ -2734,6 +2760,7 @@ typedef struct _CONFIG_PAGE_SAS_EXPANDER_0
 #define MPI_SAS_EXPANDER0_DS_UNSUPPORTED_DEVICE         (0x00000800)
 
 /* values for SAS Expander Page 0 Flags field */
+#define MPI_SAS_EXPANDER0_FLAGS_CONNECTOR_END_DEVICE    (0x04)
 #define MPI_SAS_EXPANDER0_FLAGS_ROUTE_TABLE_CONFIG      (0x02)
 #define MPI_SAS_EXPANDER0_FLAGS_CONFIG_IN_PROGRESS      (0x01)
 
@@ -2774,7 +2801,7 @@ typedef struct _CONFIG_PAGE_SAS_EXPANDER_1
 /* see mpi_sas.h for values for SAS Expander Page 1 AttachedDeviceInfo values */
 
 /* values for SAS Expander Page 1 DiscoveryInfo field */
-#define MPI_SAS_EXPANDER1_DISCINFO_BAD_PHY DISABLED     (0x04)
+#define MPI_SAS_EXPANDER1_DISCINFO_BAD_PHY_DISABLED     (0x04)
 #define MPI_SAS_EXPANDER1_DISCINFO_LINK_STATUS_CHANGE   (0x02)
 #define MPI_SAS_EXPANDER1_DISCINFO_NO_ROUTING_ENTRIES   (0x01)
 
@@ -2895,11 +2922,11 @@ typedef struct _CONFIG_PAGE_SAS_PHY_0
     U8                                  AttachedPhyIdentifier;  /* 16h */
     U8                                  Reserved2;              /* 17h */
     U32                                 AttachedDeviceInfo;     /* 18h */
-    U8                                  ProgrammedLinkRate;     /* 20h */
-    U8                                  HwLinkRate;             /* 21h */
-    U8                                  ChangeCount;            /* 22h */
-    U8                                  Flags;                  /* 23h */
-    U32                                 PhyInfo;                /* 24h */
+    U8                                  ProgrammedLinkRate;     /* 1Ch */
+    U8                                  HwLinkRate;             /* 1Dh */
+    U8                                  ChangeCount;            /* 1Eh */
+    U8                                  Flags;                  /* 1Fh */
+    U32                                 PhyInfo;                /* 20h */
 } CONFIG_PAGE_SAS_PHY_0, MPI_POINTER PTR_CONFIG_PAGE_SAS_PHY_0,
   SasPhyPage0_t, MPI_POINTER pSasPhyPage0_t;
 

drivers/message/fusion/lsi/mpi_history.txt

@@ -3,28 +3,28 @@
  MPI Header File Change History
  ==============================
 
- Copyright (c) 2000-2006 LSI Logic Corporation.
+ Copyright (c) 2000-2007 LSI Logic Corporation.
 
  ---------------------------------------
- Header Set Release Version:    01.05.14
- Header Set Release Date:       10-11-06
+ Header Set Release Version:    01.05.16
+ Header Set Release Date:       05-24-07
  ---------------------------------------
 
  Filename               Current version     Prior version
  ----------             ---------------     -------------
- mpi.h                  01.05.12            01.05.11
- mpi_ioc.h              01.05.12            01.05.11
- mpi_cnfg.h             01.05.13            01.05.12
- mpi_init.h             01.05.08            01.05.07
+ mpi.h                  01.05.13            01.05.12
+ mpi_ioc.h              01.05.14            01.05.13
+ mpi_cnfg.h             01.05.15            01.05.14
+ mpi_init.h             01.05.09            01.05.09
  mpi_targ.h             01.05.06            01.05.06
  mpi_fc.h               01.05.01            01.05.01
  mpi_lan.h              01.05.01            01.05.01
- mpi_raid.h             01.05.02            01.05.02
+ mpi_raid.h             01.05.03            01.05.03
  mpi_tool.h             01.05.03            01.05.03
  mpi_inb.h              01.05.01            01.05.01
- mpi_sas.h              01.05.04            01.05.03
+ mpi_sas.h              01.05.04            01.05.04
  mpi_type.h             01.05.02            01.05.02
- mpi_history.txt        01.05.14            01.05.13
+ mpi_history.txt        01.05.14            01.05.14
 
 
  *  Date      Version   Description
@@ -95,6 +95,7 @@ mpi.h
  *  08-30-05  01.05.10  Added 2 new IOCStatus codes for Target.
  *  03-27-06  01.05.11  Bumped MPI_HEADER_VERSION_UNIT.
  *  10-11-06  01.05.12  Bumped MPI_HEADER_VERSION_UNIT.
+ *  05-24-07  01.05.13  Bumped MPI_HEADER_VERSION_UNIT.
  *  --------------------------------------------------------------------------
 
 mpi_ioc.h
@@ -191,6 +192,13 @@ mpi_ioc.h
  *                      data structure.
  *                      Added new ImageType values for FWDownload and FWUpload
  *                      requests.
+ *  02-28-07  01.05.13  Added MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT for SAS
+ *                      Broadcast Event Data (replacing _RESERVED2).
+ *                      For Discovery Error Event Data DiscoveryStatus field,
+ *                      replaced _MULTPL_PATHS with _UNSUPPORTED_DEVICE and
+ *                      added _MULTI_PORT_DOMAIN.
+ *  05-24-07  01.05.14  Added Common Boot Block type to FWDownload Request.
+ *                      Added Common Boot Block type to FWUpload Request.
  *  --------------------------------------------------------------------------
 
 mpi_cnfg.h
@@ -473,6 +481,21 @@ mpi_cnfg.h
  *                      Added more AccessStatus values for SAS Device Page 0.
  *                      Added bit for SATA Asynchronous Notification Support in
  *                      Flags field of SAS Device Page 0.
+ *  02-28-07  01.05.14  Added ExtFlags field to Manufacturing Page 4.
+ *                      Added Disable SMART Polling for CapabilitiesFlags of
+ *                      IOC Page 6.
+ *                      Added Disable SMART Polling to DeviceSettings of BIOS
+ *                      Page 1.
+ *                      Added Multi-Port Domain bit for DiscoveryStatus field
+ *                      of SAS IO Unit Page.
+ *                      Added Multi-Port Domain Illegal flag for SAS IO Unit
+ *                      Page 1 AdditionalControlFlags field.
+ *  05-24-07  01.05.15  Added Hide Physical Disks with Non-Integrated RAID
+ *                      Metadata bit to Manufacturing Page 4 ExtFlags field.
+ *                      Added Internal Connector to End Device Present bit to
+ *                      Expander Page 0 Flags field.
+ *                      Fixed define for
+ *                      MPI_SAS_EXPANDER1_DISCINFO_BAD_PHY_DISABLED.
  *  --------------------------------------------------------------------------
 
 mpi_init.h
@@ -517,6 +540,8 @@ mpi_init.h
  *                      unique in the first 32 characters.
  *  03-27-06  01.05.07  Added Task Management type of Clear ACA.
  *  10-11-06  01.05.08  Shortened define for Task Management type of Clear ACA.
+ *  02-28-07  01.05.09  Defined two new MsgFlags bits for SCSI Task Management
+ *                      Request: Do Not Send Task IU and Soft Reset Option.
  *  --------------------------------------------------------------------------
 
 mpi_targ.h
@@ -571,7 +596,7 @@ mpi_fc.h
  *  11-02-00  01.01.01  Original release for post 1.0 work
  *  12-04-00  01.01.02  Added messages for Common Transport Send and
  *                      Primitive Send.
- *  01-09-01  01.01.03  Modified some of the new flags to have an MPI prefix
+ *  01-09-01  01.01.03  Modifed some of the new flags to have an MPI prefix
  *                      and modified the FcPrimitiveSend flags.
  *  01-25-01  01.01.04  Move InitiatorIndex in LinkServiceRsp reply to a larger
  *                      field.
@@ -634,6 +659,8 @@ mpi_raid.h
  *  08-19-04  01.05.01  Original release for MPI v1.5.
  *  01-15-05  01.05.02  Added defines for the two new RAID Actions for
  *                      _SET_RESYNC_RATE and _SET_DATA_SCRUB_RATE.
+ *  02-28-07  01.05.03  Added new RAID Action, Device FW Update Mode, and
+ *                      associated defines.
  *  --------------------------------------------------------------------------
 
 mpi_tool.h
@@ -682,7 +709,22 @@ mpi_type.h
 
 mpi_history.txt         Parts list history
 
-Filename    01.05.13   01.05.13   01.05.12   01.05.11   01.05.10   01.05.09
+Filename    01.05.15   01.05.15
+----------  --------   --------
+mpi.h       01.05.12   01.05.13
+mpi_ioc.h   01.05.13   01.05.14
+mpi_cnfg.h  01.05.14   01.05.15
+mpi_init.h  01.05.09   01.05.09
+mpi_targ.h  01.05.06   01.05.06
+mpi_fc.h    01.05.01   01.05.01
+mpi_lan.h   01.05.01   01.05.01
+mpi_raid.h  01.05.03   01.05.03
+mpi_tool.h  01.05.03   01.05.03
+mpi_inb.h   01.05.01   01.05.01
+mpi_sas.h   01.05.04   01.05.04
+mpi_type.h  01.05.02   01.05.02
+
+Filename    01.05.14   01.05.13   01.05.12   01.05.11   01.05.10   01.05.09
 ----------  --------   --------   --------   --------   --------   --------
 mpi.h       01.05.12   01.05.11   01.05.10   01.05.09   01.05.08   01.05.07
 mpi_ioc.h   01.05.12   01.05.11   01.05.10   01.05.09   01.05.09   01.05.08

drivers/message/fusion/lsi/mpi_inb.h

@@ -1,221 +0,0 @@
-/*
- *  Copyright (c) 2003-2004 LSI Logic Corporation.
- *
- *
- *           Name:  mpi_inb.h
- *          Title:  MPI Inband structures and definitions
- *  Creation Date:  September 30, 2003
- *
- *    mpi_inb.h Version:  01.05.01
- *
- *  Version History
- *  ---------------
- *
- *  Date      Version   Description
- *  --------  --------  ------------------------------------------------------
- *  05-11-04  01.03.01  Original release.
- *  08-19-04  01.05.01  Original release for MPI v1.5.
- *  --------------------------------------------------------------------------
- */
-
-#ifndef MPI_INB_H
-#define MPI_INB_H
-
-/******************************************************************************
-*
-*        I n b a n d    M e s s a g e s
-*
-*******************************************************************************/
-
-
-/****************************************************************************/
-/* Inband Buffer Post Request                                               */
-/****************************************************************************/
-
-typedef struct _MSG_INBAND_BUFFER_POST_REQUEST
-{
-    U8                      Reserved1;          /* 00h */
-    U8                      BufferCount;        /* 01h */
-    U8                      ChainOffset;        /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U32                     Reserved4;          /* 0Ch */
-    SGE_TRANS_SIMPLE_UNION  SGL;                /* 10h */
-} MSG_INBAND_BUFFER_POST_REQUEST, MPI_POINTER PTR_MSG_INBAND_BUFFER_POST_REQUEST,
-  MpiInbandBufferPostRequest_t , MPI_POINTER pMpiInbandBufferPostRequest_t;
-
-
-typedef struct _WWN_FC_FORMAT
-{
-    U64                     NodeName;           /* 00h */
-    U64                     PortName;           /* 08h */
-} WWN_FC_FORMAT, MPI_POINTER PTR_WWN_FC_FORMAT,
-  WwnFcFormat_t, MPI_POINTER pWwnFcFormat_t;
-
-typedef struct _WWN_SAS_FORMAT
-{
-    U64                     WorldWideID;        /* 00h */
-    U32                     Reserved1;          /* 08h */
-    U32                     Reserved2;          /* 0Ch */
-} WWN_SAS_FORMAT, MPI_POINTER PTR_WWN_SAS_FORMAT,
-  WwnSasFormat_t, MPI_POINTER pWwnSasFormat_t;
-
-typedef union _WWN_INBAND_FORMAT
-{
-    WWN_FC_FORMAT           Fc;
-    WWN_SAS_FORMAT          Sas;
-} WWN_INBAND_FORMAT, MPI_POINTER PTR_WWN_INBAND_FORMAT,
-  WwnInbandFormat, MPI_POINTER pWwnInbandFormat;
-
-
-/* Inband Buffer Post reply message */
-
-typedef struct _MSG_INBAND_BUFFER_POST_REPLY
-{
-    U16                     Reserved1;          /* 00h */
-    U8                      MsgLength;          /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U16                     Reserved4;          /* 0Ch */
-    U16                     IOCStatus;          /* 0Eh */
-    U32                     IOCLogInfo;         /* 10h */
-    U32                     TransferLength;     /* 14h */
-    U32                     TransactionContext; /* 18h */
-    WWN_INBAND_FORMAT       Wwn;                /* 1Ch */
-    U32                     IOCIdentifier[4];   /* 2Ch */
-} MSG_INBAND_BUFFER_POST_REPLY, MPI_POINTER PTR_MSG_INBAND_BUFFER_POST_REPLY,
-  MpiInbandBufferPostReply_t, MPI_POINTER pMpiInbandBufferPostReply_t;
-
-
-/****************************************************************************/
-/* Inband Send Request                                                      */
-/****************************************************************************/
-
-typedef struct _MSG_INBAND_SEND_REQUEST
-{
-    U16                     Reserved1;          /* 00h */
-    U8                      ChainOffset;        /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U32                     Reserved4;          /* 0Ch */
-    WWN_INBAND_FORMAT       Wwn;                /* 10h */
-    U32                     Reserved5;          /* 20h */
-    SGE_IO_UNION            SGL;                /* 24h */
-} MSG_INBAND_SEND_REQUEST, MPI_POINTER PTR_MSG_INBAND_SEND_REQUEST,
-  MpiInbandSendRequest_t , MPI_POINTER pMpiInbandSendRequest_t;
-
-
-/* Inband Send reply message */
-
-typedef struct _MSG_INBAND_SEND_REPLY
-{
-    U16                     Reserved1;          /* 00h */
-    U8                      MsgLength;          /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U16                     Reserved4;          /* 0Ch */
-    U16                     IOCStatus;          /* 0Eh */
-    U32                     IOCLogInfo;         /* 10h */
-    U32                     ResponseLength;     /* 14h */
-} MSG_INBAND_SEND_REPLY, MPI_POINTER PTR_MSG_INBAND_SEND_REPLY,
-  MpiInbandSendReply_t, MPI_POINTER pMpiInbandSendReply_t;
-
-
-/****************************************************************************/
-/* Inband Response Request                                                  */
-/****************************************************************************/
-
-typedef struct _MSG_INBAND_RSP_REQUEST
-{
-    U16                     Reserved1;          /* 00h */
-    U8                      ChainOffset;        /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U32                     Reserved4;          /* 0Ch */
-    WWN_INBAND_FORMAT       Wwn;                /* 10h */
-    U32                     IOCIdentifier[4];   /* 20h */
-    U32                     ResponseLength;     /* 30h */
-    SGE_IO_UNION            SGL;                /* 34h */
-} MSG_INBAND_RSP_REQUEST, MPI_POINTER PTR_MSG_INBAND_RSP_REQUEST,
-  MpiInbandRspRequest_t , MPI_POINTER pMpiInbandRspRequest_t;
-
-
-/* Inband Response reply message */
-
-typedef struct _MSG_INBAND_RSP_REPLY
-{
-    U16                     Reserved1;          /* 00h */
-    U8                      MsgLength;          /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U16                     Reserved4;          /* 0Ch */
-    U16                     IOCStatus;          /* 0Eh */
-    U32                     IOCLogInfo;         /* 10h */
-} MSG_INBAND_RSP_REPLY, MPI_POINTER PTR_MSG_INBAND_RSP_REPLY,
-  MpiInbandRspReply_t, MPI_POINTER pMpiInbandRspReply_t;
-
-
-/****************************************************************************/
-/* Inband Abort Request                                                     */
-/****************************************************************************/
-
-typedef struct _MSG_INBAND_ABORT_REQUEST
-{
-    U8                      Reserved1;          /* 00h */
-    U8                      AbortType;          /* 01h */
-    U8                      ChainOffset;        /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U32                     Reserved4;          /* 0Ch */
-    U32                     ContextToAbort;     /* 10h */
-} MSG_INBAND_ABORT_REQUEST, MPI_POINTER PTR_MSG_INBAND_ABORT_REQUEST,
-  MpiInbandAbortRequest_t , MPI_POINTER pMpiInbandAbortRequest_t;
-
-#define MPI_INBAND_ABORT_TYPE_ALL_BUFFERS       (0x00)
-#define MPI_INBAND_ABORT_TYPE_EXACT_BUFFER      (0x01)
-#define MPI_INBAND_ABORT_TYPE_SEND_REQUEST      (0x02)
-#define MPI_INBAND_ABORT_TYPE_RESPONSE_REQUEST  (0x03)
-
-
-/* Inband Abort reply message */
-
-typedef struct _MSG_INBAND_ABORT_REPLY
-{
-    U8                      Reserved1;          /* 00h */
-    U8                      AbortType;          /* 01h */
-    U8                      MsgLength;          /* 02h */
-    U8                      Function;           /* 03h */
-    U16                     Reserved2;          /* 04h */
-    U8                      Reserved3;          /* 06h */
-    U8                      MsgFlags;           /* 07h */
-    U32                     MsgContext;         /* 08h */
-    U16                     Reserved4;          /* 0Ch */
-    U16                     IOCStatus;          /* 0Eh */
-    U32                     IOCLogInfo;         /* 10h */
-} MSG_INBAND_ABORT_REPLY, MPI_POINTER PTR_MSG_INBAND_ABORT_REPLY,
-  MpiInbandAbortReply_t, MPI_POINTER pMpiInbandAbortReply_t;
-
-
-#endif
-

drivers/message/fusion/lsi/mpi_init.h

@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2000-2006 LSI Logic Corporation.
+ *  Copyright (c) 2000-2007 LSI Logic Corporation.
  *
  *
  *           Name:  mpi_init.h
  *          Title:  MPI initiator mode messages and structures
  *  Creation Date:  June 8, 2000
  *
- *    mpi_init.h Version:  01.05.08
+ *    mpi_init.h Version:  01.05.09
  *
  *  Version History
  *  ---------------
@@ -54,6 +54,8 @@
  *                      unique in the first 32 characters.
  *  03-27-06  01.05.07  Added Task Management type of Clear ACA.
  *  10-11-06  01.05.08  Shortened define for Task Management type of Clear ACA.
+ *  02-28-07  01.05.09  Defined two new MsgFlags bits for SCSI Task Management
+ *                      Request: Do Not Send Task IU and Soft Reset Option.
  *  --------------------------------------------------------------------------
  */
 
@@ -432,10 +434,14 @@ typedef struct _MSG_SCSI_TASK_MGMT
 #define MPI_SCSITASKMGMT_TASKTYPE_CLR_ACA               (0x08)
 
 /* MsgFlags bits */
+#define MPI_SCSITASKMGMT_MSGFLAGS_DO_NOT_SEND_TASK_IU   (0x01)
+
 #define MPI_SCSITASKMGMT_MSGFLAGS_TARGET_RESET_OPTION   (0x00)
 #define MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION      (0x02)
 #define MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION (0x04)
 
+#define MPI_SCSITASKMGMT_MSGFLAGS_SOFT_RESET_OPTION     (0x08)
+
 /* SCSI Task Management Reply */
 typedef struct _MSG_SCSI_TASK_MGMT_REPLY
 {

drivers/message/fusion/lsi/mpi_ioc.h

@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2000-2006 LSI Logic Corporation.
+ *  Copyright (c) 2000-2007 LSI Logic Corporation.
  *
  *
  *           Name:  mpi_ioc.h
  *          Title:  MPI IOC, Port, Event, FW Download, and FW Upload messages
  *  Creation Date:  August 11, 2000
  *
- *    mpi_ioc.h Version:  01.05.12
+ *    mpi_ioc.h Version:  01.05.14
  *
  *  Version History
  *  ---------------
@@ -106,6 +106,13 @@
  *                      data structure.
  *                      Added new ImageType values for FWDownload and FWUpload
  *                      requests.
+ *  02-28-07  01.05.13  Added MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT for SAS
+ *                      Broadcast Event Data (replacing _RESERVED2).
+ *                      For Discovery Error Event Data DiscoveryStatus field,
+ *                      replaced _MULTPL_PATHS with _UNSUPPORTED_DEVICE and
+ *                      added _MULTI_PORT_DOMAIN.
+ *  05-24-07  01.05.14  Added Common Boot Block type to FWDownload Request.
+ *                      Added Common Boot Block type to FWUpload Request.
  *  --------------------------------------------------------------------------
  */
 
@@ -792,7 +799,7 @@ typedef struct _EVENT_DATA_SAS_BROADCAST_PRIMITIVE
 
 #define MPI_EVENT_PRIMITIVE_CHANGE              (0x01)
 #define MPI_EVENT_PRIMITIVE_EXPANDER            (0x03)
-#define MPI_EVENT_PRIMITIVE_RESERVED2           (0x04)
+#define MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT  (0x04)
 #define MPI_EVENT_PRIMITIVE_RESERVED3           (0x05)
 #define MPI_EVENT_PRIMITIVE_RESERVED4           (0x06)
 #define MPI_EVENT_PRIMITIVE_CHANGE0_RESERVED    (0x07)
@@ -857,8 +864,9 @@ typedef struct _EVENT_DATA_DISCOVERY_ERROR
 #define MPI_EVENT_DSCVRY_ERR_DS_SMP_CRC_ERROR               (0x00000100)
 #define MPI_EVENT_DSCVRY_ERR_DS_MULTPL_SUBTRACTIVE          (0x00000200)
 #define MPI_EVENT_DSCVRY_ERR_DS_TABLE_TO_TABLE              (0x00000400)
-#define MPI_EVENT_DSCVRY_ERR_DS_MULTPL_PATHS                (0x00000800)
+#define MPI_EVENT_DSCVRY_ERR_DS_UNSUPPORTED_DEVICE          (0x00000800)
 #define MPI_EVENT_DSCVRY_ERR_DS_MAX_SATA_TARGETS            (0x00001000)
+#define MPI_EVENT_DSCVRY_ERR_DS_MULTI_PORT_DOMAIN           (0x00002000)
 
 /* SAS SMP Error Event data */
 
@@ -990,6 +998,7 @@ typedef struct _MSG_FW_DOWNLOAD
 #define MPI_FW_DOWNLOAD_ITYPE_CONFIG_1          (0x07)
 #define MPI_FW_DOWNLOAD_ITYPE_CONFIG_2          (0x08)
 #define MPI_FW_DOWNLOAD_ITYPE_MEGARAID          (0x09)
+#define MPI_FW_DOWNLOAD_ITYPE_COMMON_BOOT_BLOCK (0x0B)
 
 
 typedef struct _FWDownloadTCSGE
@@ -1038,17 +1047,18 @@ typedef struct _MSG_FW_UPLOAD
 } MSG_FW_UPLOAD, MPI_POINTER PTR_MSG_FW_UPLOAD,
   FWUpload_t, MPI_POINTER pFWUpload_t;
 
-#define MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM      (0x00)
-#define MPI_FW_UPLOAD_ITYPE_FW_FLASH        (0x01)
-#define MPI_FW_UPLOAD_ITYPE_BIOS_FLASH      (0x02)
-#define MPI_FW_UPLOAD_ITYPE_NVDATA          (0x03)
-#define MPI_FW_UPLOAD_ITYPE_BOOTLOADER      (0x04)
-#define MPI_FW_UPLOAD_ITYPE_FW_BACKUP       (0x05)
-#define MPI_FW_UPLOAD_ITYPE_MANUFACTURING   (0x06)
-#define MPI_FW_UPLOAD_ITYPE_CONFIG_1        (0x07)
-#define MPI_FW_UPLOAD_ITYPE_CONFIG_2        (0x08)
-#define MPI_FW_UPLOAD_ITYPE_MEGARAID        (0x09)
-#define MPI_FW_UPLOAD_ITYPE_COMPLETE        (0x0A)
+#define MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM          (0x00)
+#define MPI_FW_UPLOAD_ITYPE_FW_FLASH            (0x01)
+#define MPI_FW_UPLOAD_ITYPE_BIOS_FLASH          (0x02)
+#define MPI_FW_UPLOAD_ITYPE_NVDATA              (0x03)
+#define MPI_FW_UPLOAD_ITYPE_BOOTLOADER          (0x04)
+#define MPI_FW_UPLOAD_ITYPE_FW_BACKUP           (0x05)
+#define MPI_FW_UPLOAD_ITYPE_MANUFACTURING       (0x06)
+#define MPI_FW_UPLOAD_ITYPE_CONFIG_1            (0x07)
+#define MPI_FW_UPLOAD_ITYPE_CONFIG_2            (0x08)
+#define MPI_FW_UPLOAD_ITYPE_MEGARAID            (0x09)
+#define MPI_FW_UPLOAD_ITYPE_COMPLETE            (0x0A)
+#define MPI_FW_UPLOAD_ITYPE_COMMON_BOOT_BLOCK   (0x0B)
 
 typedef struct _FWUploadTCSGE
 {

drivers/message/fusion/lsi/mpi_raid.h

@@ -1,12 +1,12 @@
 /*
- *  Copyright (c) 2001-2005 LSI Logic Corporation.
+ *  Copyright (c) 2001-2007 LSI Logic Corporation.
  *
  *
  *           Name:  mpi_raid.h
  *          Title:  MPI RAID message and structures
  *  Creation Date:  February 27, 2001
  *
- *    mpi_raid.h Version:  01.05.02
+ *    mpi_raid.h Version:  01.05.03
  *
  *  Version History
  *  ---------------
@@ -32,6 +32,8 @@
  *  08-19-04  01.05.01  Original release for MPI v1.5.
  *  01-15-05  01.05.02  Added defines for the two new RAID Actions for
  *                      _SET_RESYNC_RATE and _SET_DATA_SCRUB_RATE.
+ *  02-28-07  01.05.03  Added new RAID Action, Device FW Update Mode, and
+ *                      associated defines.
  *  --------------------------------------------------------------------------
  */
 
@@ -90,6 +92,7 @@ typedef struct _MSG_RAID_ACTION
 #define MPI_RAID_ACTION_INACTIVATE_VOLUME           (0x12)
 #define MPI_RAID_ACTION_SET_RESYNC_RATE             (0x13)
 #define MPI_RAID_ACTION_SET_DATA_SCRUB_RATE         (0x14)
+#define MPI_RAID_ACTION_DEVICE_FW_UPDATE_MODE       (0x15)
 
 /* ActionDataWord defines for use with MPI_RAID_ACTION_CREATE_VOLUME action */
 #define MPI_RAID_ACTION_ADATA_DO_NOT_SYNC           (0x00000001)
@@ -111,6 +114,10 @@ typedef struct _MSG_RAID_ACTION
 /* ActionDataWord defines for use with MPI_RAID_ACTION_SET_DATA_SCRUB_RATE action */
 #define MPI_RAID_ACTION_ADATA_DATA_SCRUB_RATE_MASK  (0x000000FF)
 
+/* ActionDataWord defines for use with MPI_RAID_ACTION_DEVICE_FW_UPDATE_MODE action */
+#define MPI_RAID_ACTION_ADATA_ENABLE_FW_UPDATE          (0x00000001)
+#define MPI_RAID_ACTION_ADATA_MASK_FW_UPDATE_TIMEOUT    (0x0000FF00)
+#define MPI_RAID_ACTION_ADATA_SHIFT_FW_UPDATE_TIMEOUT   (8)
 
 
 /* RAID Action reply message */

drivers/message/fusion/mptbase.c

@@ -6,7 +6,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -64,6 +64,7 @@
 #endif
 
 #include "mptbase.h"
+#include "lsi/mpi_log_fc.h"
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 #define my_NAME		"Fusion MPT base driver"
@@ -6349,14 +6350,37 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
 static void
 mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
 {
-	static char *subcl_str[8] = {
-		"FCP Initiator", "FCP Target", "LAN", "MPI Message Layer",
-		"FC Link", "Context Manager", "Invalid Field Offset", "State Change Info"
-	};
-	u8 subcl = (log_info >> 24) & 0x7;
+	char *desc = "unknown";
+
+	switch (log_info & 0xFF000000) {
+	case MPI_IOCLOGINFO_FC_INIT_BASE:
+		desc = "FCP Initiator";
+		break;
+	case MPI_IOCLOGINFO_FC_TARGET_BASE:
+		desc = "FCP Target";
+		break;
+	case MPI_IOCLOGINFO_FC_LAN_BASE:
+		desc = "LAN";
+		break;
+	case MPI_IOCLOGINFO_FC_MSG_BASE:
+		desc = "MPI Message Layer";
+		break;
+	case MPI_IOCLOGINFO_FC_LINK_BASE:
+		desc = "FC Link";
+		break;
+	case MPI_IOCLOGINFO_FC_CTX_BASE:
+		desc = "Context Manager";
+		break;
+	case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
+		desc = "Invalid Field Offset";
+		break;
+	case MPI_IOCLOGINFO_FC_STATE_CHANGE:
+		desc = "State Change Info";
+		break;
+	}
 
-	printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubCl={%s}\n",
-			ioc->name, log_info, subcl_str[subcl]);
+	printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
+			ioc->name, log_info, desc, (log_info & 0xFFFFFF));
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptbase.h

@@ -6,7 +6,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -75,8 +75,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2007 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.04.04"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.04"
+#define MPT_LINUX_VERSION_COMMON	"3.04.05"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.04.05"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \

drivers/message/fusion/mptctl.c

@@ -5,7 +5,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptctl.h

@@ -6,7 +6,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptfc.c

@@ -4,7 +4,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -43,7 +43,6 @@
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-#include "linux_compat.h"	/* linux-2.6 tweaks */
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>

drivers/message/fusion/mptlan.c

@@ -5,7 +5,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 2000-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptlan.h

@@ -5,7 +5,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 2000-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptsas.c

@@ -4,7 +4,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *  Copyright (c) 2005-2007 Dell
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptscsih.c

@@ -4,7 +4,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -44,7 +44,6 @@
 */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 
-#include "linux_compat.h"	/* linux-2.6 tweaks */
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -260,30 +259,13 @@ mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
 	/* Map the data portion, if any.
 	 * sges_left  = 0 if no data transfer.
 	 */
-	if ( (sges_left = SCpnt->use_sg) ) {
-		sges_left = pci_map_sg(ioc->pcidev,
-			       (struct scatterlist *) SCpnt->request_buffer,
- 			       SCpnt->use_sg,
-			       SCpnt->sc_data_direction);
-		if (sges_left == 0)
-			return FAILED;
-	} else if (SCpnt->request_bufflen) {
-		SCpnt->SCp.dma_handle = pci_map_single(ioc->pcidev,
-				      SCpnt->request_buffer,
-				      SCpnt->request_bufflen,
-				      SCpnt->sc_data_direction);
-		dsgprintk((MYIOC_s_INFO_FMT "SG: non-SG for %p, len=%d\n",
-				ioc->name, SCpnt, SCpnt->request_bufflen));
-		mptscsih_add_sge((char *) &pReq->SGL,
-			0xD1000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|SCpnt->request_bufflen,
-			SCpnt->SCp.dma_handle);
-
-		return SUCCESS;
-	}
+	sges_left = scsi_dma_map(SCpnt);
+	if (sges_left < 0)
+		return FAILED;
 
 	/* Handle the SG case.
 	 */
-	sg = (struct scatterlist *) SCpnt->request_buffer;
+	sg = scsi_sglist(SCpnt);
 	sg_done  = 0;
 	sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
 	chainSge = NULL;
@@ -465,7 +447,12 @@ mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
 	MPT_FRAME_HDR *mf;
 	SEPRequest_t 	 *SEPMsg;
 
-	if (ioc->bus_type == FC)
+	if (ioc->bus_type != SAS)
+		return;
+
+	/* Not supported for hidden raid components
+	 */
+	if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
 		return;
 
 	if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
@@ -662,7 +649,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		scsi_state = pScsiReply->SCSIState;
 		scsi_status = pScsiReply->SCSIStatus;
 		xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
-		sc->resid = sc->request_bufflen - xfer_cnt;
+		scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
 		log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
 
 		/*
@@ -767,7 +754,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 			break;
 
 		case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:	/* 0x0049 */
-			sc->resid = sc->request_bufflen - xfer_cnt;
+			scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
 			if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
 				sc->result=DID_SOFT_ERROR << 16;
 			else /* Sufficient data transfer occurred */
@@ -816,7 +803,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 			break;
 
 		case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:		/* 0x0044 */
-			sc->resid=0;
+			scsi_set_resid(sc, 0);
 		case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:	/* 0x0040 */
 		case MPI_IOCSTATUS_SUCCESS:			/* 0x0000 */
 			sc->result = (DID_OK << 16) | scsi_status;
@@ -899,23 +886,18 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 			    scsi_state, scsi_status, log_info));
 
 			dreplyprintk(("%s: [%d:%d:%d:%d] resid=%d "
-			    "bufflen=%d xfer_cnt=%d\n", __FUNCTION__,
-			    sc->device->host->host_no, sc->device->channel, sc->device->id,
-			    sc->device->lun, sc->resid, sc->request_bufflen,
-			    xfer_cnt));
+				      "bufflen=%d xfer_cnt=%d\n", __FUNCTION__,
+				      sc->device->host->host_no,
+				      sc->device->channel, sc->device->id,
+				      sc->device->lun, scsi_get_resid(sc),
+				      scsi_bufflen(sc), xfer_cnt));
 		}
 #endif
 
 	} /* end of address reply case */
 
 	/* Unmap the DMA buffers, if any. */
-	if (sc->use_sg) {
-		pci_unmap_sg(ioc->pcidev, (struct scatterlist *) sc->request_buffer,
-			    sc->use_sg, sc->sc_data_direction);
-	} else if (sc->request_bufflen) {
-		pci_unmap_single(ioc->pcidev, sc->SCp.dma_handle,
-				sc->request_bufflen, sc->sc_data_direction);
-	}
+	scsi_dma_unmap(sc);
 
 	sc->scsi_done(sc);		/* Issue the command callback */
 
@@ -970,17 +952,8 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
 			/* Set status, free OS resources (SG DMA buffers)
 			 * Do OS callback
 			 */
-			if (SCpnt->use_sg) {
-				pci_unmap_sg(ioc->pcidev,
-					(struct scatterlist *) SCpnt->request_buffer,
-					SCpnt->use_sg,
-					SCpnt->sc_data_direction);
-			} else if (SCpnt->request_bufflen) {
-				pci_unmap_single(ioc->pcidev,
-					SCpnt->SCp.dma_handle,
-					SCpnt->request_bufflen,
-					SCpnt->sc_data_direction);
-			}
+			scsi_dma_unmap(SCpnt);
+
 			SCpnt->result = DID_RESET << 16;
 			SCpnt->host_scribble = NULL;
 
@@ -1023,14 +996,19 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 			mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii);
 			if (mf == NULL)
 				continue;
+			/* If the device is a hidden raid component, then its
+			 * expected that the mf->function will be RAID_SCSI_IO
+			 */
+			if (vdevice->vtarget->tflags &
+			    MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
+			    MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
+				continue;
+
 			int_to_scsilun(vdevice->lun, &lun);
 			if ((mf->Bus != vdevice->vtarget->channel) ||
 			    (mf->TargetID != vdevice->vtarget->id) ||
 			    memcmp(lun.scsi_lun, mf->LUN, 8))
 				continue;
-			dsprintk(( "search_running: found (sc=%p, mf = %p) "
-			    "channel %d id %d, lun %d \n", hd->ScsiLookup[ii],
-			    mf, mf->Bus, mf->TargetID, vdevice->lun));
 
 			/* Cleanup
 			 */
@@ -1039,19 +1017,12 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 			mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf);
 			if ((unsigned char *)mf != sc->host_scribble)
 				continue;
-			if (sc->use_sg) {
-				pci_unmap_sg(hd->ioc->pcidev,
-				(struct scatterlist *) sc->request_buffer,
-					sc->use_sg,
-					sc->sc_data_direction);
-			} else if (sc->request_bufflen) {
-				pci_unmap_single(hd->ioc->pcidev,
-					sc->SCp.dma_handle,
-					sc->request_bufflen,
-					sc->sc_data_direction);
-			}
+			scsi_dma_unmap(sc);
 			sc->host_scribble = NULL;
 			sc->result = DID_NO_CONNECT << 16;
+			dsprintk(( "search_running: found (sc=%p, mf = %p) "
+			    "channel %d id %d, lun %d \n", sc, mf,
+			    vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun));
 			sc->scsi_done(sc);
 		}
 	}
@@ -1380,10 +1351,10 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 	 *    will be no data transfer!  GRRRRR...
 	 */
 	if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
-		datalen = SCpnt->request_bufflen;
+		datalen = scsi_bufflen(SCpnt);
 		scsidir = MPI_SCSIIO_CONTROL_READ;	/* DATA IN  (host<--ioc<--dev) */
 	} else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
-		datalen = SCpnt->request_bufflen;
+		datalen = scsi_bufflen(SCpnt);
 		scsidir = MPI_SCSIIO_CONTROL_WRITE;	/* DATA OUT (host-->ioc-->dev) */
 	} else {
 		datalen = 0;
@@ -1768,20 +1739,45 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 	u32		 ctx2abort;
 	int		 scpnt_idx;
 	int		 retval;
-	VirtDevice	 *vdev;
+	VirtDevice	 *vdevice;
 	ulong	 	 sn = SCpnt->serial_number;
+	MPT_ADAPTER	*ioc;
 
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
 	if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL) {
 		SCpnt->result = DID_RESET << 16;
 		SCpnt->scsi_done(SCpnt);
-		dfailprintk((KERN_INFO MYNAM ": mptscsih_abort: "
-			   "Can't locate host! (sc=%p)\n",
-			   SCpnt));
+		dfailprintk((KERN_INFO MYNAM ": mptscsih_abort: Can't locate "
+		    "host! (sc=%p)\n", SCpnt));
 		return FAILED;
 	}
 
+	ioc = hd->ioc;
+	printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
+	       ioc->name, SCpnt);
+	scsi_print_command(SCpnt);
+
+	vdevice = SCpnt->device->hostdata;
+	if (!vdevice || !vdevice->vtarget) {
+		dtmprintk((MYIOC_s_DEBUG_FMT "task abort: device has been "
+		    "deleted (sc=%p)\n", ioc->name, SCpnt));
+		SCpnt->result = DID_NO_CONNECT << 16;
+		SCpnt->scsi_done(SCpnt);
+		retval = 0;
+		goto out;
+	}
+
+	/* Task aborts are not supported for hidden raid components.
+	 */
+	if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
+		dtmprintk((MYIOC_s_DEBUG_FMT "task abort: hidden raid "
+		    "component (sc=%p)\n", ioc->name, SCpnt));
+		SCpnt->result = DID_RESET << 16;
+		retval = FAILED;
+		goto out;
+	}
+
 	/* Find this command
 	 */
 	if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) {
@@ -1790,21 +1786,20 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 		 */
 		SCpnt->result = DID_RESET << 16;
 		dtmprintk((KERN_INFO MYNAM ": %s: mptscsih_abort: "
-			   "Command not in the active list! (sc=%p)\n",
-			   hd->ioc->name, SCpnt));
-		return SUCCESS;
+		   "Command not in the active list! (sc=%p)\n", ioc->name,
+		   SCpnt));
+		retval = 0;
+		goto out;
 	}
 
-	if (hd->resetPending)
-		return FAILED;
+	if (hd->resetPending) {
+		retval = FAILED;
+		goto out;
+	}
 
 	if (hd->timeouts < -1)
 		hd->timeouts++;
 
-	printk(KERN_WARNING MYNAM ": %s: attempting task abort! (sc=%p)\n",
-	       hd->ioc->name, SCpnt);
-	scsi_print_command(SCpnt);
-
 	/* Most important!  Set TaskMsgContext to SCpnt's MsgContext!
 	 * (the IO to be ABORT'd)
 	 *
@@ -1817,18 +1812,17 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 
 	hd->abortSCpnt = SCpnt;
 
-	vdev = SCpnt->device->hostdata;
 	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
-		vdev->vtarget->channel, vdev->vtarget->id, vdev->lun,
-		ctx2abort, mptscsih_get_tm_timeout(hd->ioc));
+	    vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun,
+	    ctx2abort, mptscsih_get_tm_timeout(ioc));
 
 	if (SCPNT_TO_LOOKUP_IDX(SCpnt) == scpnt_idx &&
 	    SCpnt->serial_number == sn)
 		retval = FAILED;
 
-	printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
-		hd->ioc->name,
-		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+ out:
+	printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
+	    ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
 
 	if (retval == 0)
 		return SUCCESS;
@@ -1850,32 +1844,47 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
 {
 	MPT_SCSI_HOST	*hd;
 	int		 retval;
-	VirtDevice	 *vdev;
+	VirtDevice	 *vdevice;
+	MPT_ADAPTER	*ioc;
 
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
 	if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){
-		dtmprintk((KERN_INFO MYNAM ": mptscsih_dev_reset: "
-			   "Can't locate host! (sc=%p)\n",
-			   SCpnt));
+		dtmprintk((KERN_INFO MYNAM ": mptscsih_dev_reset: Can't "
+		    "locate host! (sc=%p)\n", SCpnt));
 		return FAILED;
 	}
 
-	if (hd->resetPending)
-		return FAILED;
-
-	printk(KERN_WARNING MYNAM ": %s: attempting target reset! (sc=%p)\n",
-	       hd->ioc->name, SCpnt);
+	ioc = hd->ioc;
+	printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
+	       ioc->name, SCpnt);
 	scsi_print_command(SCpnt);
 
-	vdev = SCpnt->device->hostdata;
+	if (hd->resetPending) {
+		retval = FAILED;
+		goto out;
+	}
+
+	vdevice = SCpnt->device->hostdata;
+	if (!vdevice || !vdevice->vtarget) {
+		retval = 0;
+		goto out;
+	}
+
+	/* Target reset to hidden raid component is not supported
+	 */
+	if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
+		retval = FAILED;
+		goto out;
+	}
+
 	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
-		vdev->vtarget->channel, vdev->vtarget->id,
-		0, 0, mptscsih_get_tm_timeout(hd->ioc));
+	    vdevice->vtarget->channel, vdevice->vtarget->id, 0, 0,
+	    mptscsih_get_tm_timeout(ioc));
 
-	printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n",
-		hd->ioc->name,
-		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+ out:
+	printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
+	    ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
 
 	if (retval == 0)
 		return SUCCESS;
@@ -1899,18 +1908,19 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
 	MPT_SCSI_HOST	*hd;
 	int		 retval;
 	VirtDevice	 *vdev;
+	MPT_ADAPTER	*ioc;
 
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
 	if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){
-		dtmprintk((KERN_INFO MYNAM ": mptscsih_bus_reset: "
-			   "Can't locate host! (sc=%p)\n",
-			   SCpnt ) );
+		dtmprintk((KERN_INFO MYNAM ": mptscsih_bus_reset: Can't "
+		    "locate host! (sc=%p)\n", SCpnt ));
 		return FAILED;
 	}
 
-	printk(KERN_WARNING MYNAM ": %s: attempting bus reset! (sc=%p)\n",
-	       hd->ioc->name, SCpnt);
+	ioc = hd->ioc;
+	printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
+	       ioc->name, SCpnt);
 	scsi_print_command(SCpnt);
 
 	if (hd->timeouts < -1)
@@ -1918,11 +1928,10 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
 
 	vdev = SCpnt->device->hostdata;
 	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
-		vdev->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));
+	    vdev->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(ioc));
 
-	printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n",
-		hd->ioc->name,
-		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+	printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
+	    ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
 
 	if (retval == 0)
 		return SUCCESS;
@@ -1943,37 +1952,38 @@ int
 mptscsih_host_reset(struct scsi_cmnd *SCpnt)
 {
 	MPT_SCSI_HOST *  hd;
-	int              status = SUCCESS;
+	int              retval;
+	MPT_ADAPTER	*ioc;
 
 	/*  If we can't locate the host to reset, then we failed. */
 	if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){
-		dtmprintk( ( KERN_INFO MYNAM ": mptscsih_host_reset: "
-			     "Can't locate host! (sc=%p)\n",
-			     SCpnt ) );
+		dtmprintk( ( KERN_INFO MYNAM ": mptscsih_host_reset: Can't "
+		    "locate host! (sc=%p)\n", SCpnt));
 		return FAILED;
 	}
 
-	printk(KERN_WARNING MYNAM ": %s: Attempting host reset! (sc=%p)\n",
-	       hd->ioc->name, SCpnt);
+	ioc = hd->ioc;
+	printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
+	    ioc->name, SCpnt);
 
 	/*  If our attempts to reset the host failed, then return a failed
 	 *  status.  The host will be taken off line by the SCSI mid-layer.
 	 */
-	if (mpt_HardResetHandler(hd->ioc, CAN_SLEEP) < 0){
-		status = FAILED;
+	if (mpt_HardResetHandler(hd->ioc, CAN_SLEEP) < 0) {
+		retval = FAILED;
 	} else {
 		/*  Make sure TM pending is cleared and TM state is set to
 		 *  NONE.
 		 */
+		retval = 0;
 		hd->tmPending = 0;
 		hd->tmState = TM_STATE_NONE;
 	}
 
-	dtmprintk( ( KERN_INFO MYNAM ": mptscsih_host_reset: "
-		     "Status = %s\n",
-		     (status == SUCCESS) ? "SUCCESS" : "FAILED" ) );
+	printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
+	    ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
 
-	return status;
+	return retval;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -3150,6 +3160,16 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 {
 	INTERNAL_CMD		 iocmd;
 
+	/* Ignore hidden raid components, this is handled when the command
+	 * is sent to the volume
+	 */
+	if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
+		return;
+
+	if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
+	    !vdevice->configured_lun)
+		return;
+
 	/* Following parameters will not change
 	 * in this routine.
 	 */
@@ -3164,9 +3184,7 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 	iocmd.id = vdevice->vtarget->id;
 	iocmd.lun = vdevice->lun;
 
-	if ((vdevice->vtarget->type == TYPE_DISK) &&
-	    (vdevice->configured_lun))
-		mptscsih_do_cmd(hd, &iocmd);
+	mptscsih_do_cmd(hd, &iocmd);
 }
 
 EXPORT_SYMBOL(mptscsih_remove);

drivers/message/fusion/mptscsih.h

@@ -6,7 +6,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptspi.c

@@ -4,7 +4,7 @@
  *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
  *
  *  Copyright (c) 1999-2007 LSI Logic Corporation
- *  (mailto:mpt_linux_developer@lsi.com)
+ *  (mailto:DL-MPTFusionLinux@lsi.com)
  *
  */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -44,7 +44,6 @@
 */
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 
-#include "linux_compat.h"	/* linux-2.6 tweaks */
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>

drivers/message/i2o/device.c

@@ -485,7 +485,7 @@ int i2o_parm_field_get(struct i2o_device *i2o_dev, int group, int field,
 	u8 *resblk;		/* 8 bytes for header */
 	int rc;
 
-	resblk = kmalloc(buflen + 8, GFP_KERNEL | GFP_ATOMIC);
+	resblk = kmalloc(buflen + 8, GFP_KERNEL);
 	if (!resblk)
 		return -ENOMEM;
 

drivers/message/i2o/i2o_scsi.c

@@ -377,12 +377,8 @@ static int i2o_scsi_reply(struct i2o_controller *c, u32 m,
 		osm_err("SCSI error %08x\n", error);
 
 	dev = &c->pdev->dev;
-	if (cmd->use_sg)
-		dma_unmap_sg(dev, cmd->request_buffer, cmd->use_sg,
-			     cmd->sc_data_direction);
-	else if (cmd->SCp.dma_handle)
-		dma_unmap_single(dev, cmd->SCp.dma_handle, cmd->request_bufflen,
-				 cmd->sc_data_direction);
+
+	scsi_dma_unmap(cmd);
 
 	cmd->scsi_done(cmd);
 
@@ -664,21 +660,15 @@ static int i2o_scsi_queuecommand(struct scsi_cmnd *SCpnt,
 
 	if (sgl_offset != SGL_OFFSET_0) {
 		/* write size of data addressed by SGL */
-		*mptr++ = cpu_to_le32(SCpnt->request_bufflen);
+		*mptr++ = cpu_to_le32(scsi_bufflen(SCpnt));
 
 		/* Now fill in the SGList and command */
-		if (SCpnt->use_sg) {
-			if (!i2o_dma_map_sg(c, SCpnt->request_buffer,
-					    SCpnt->use_sg,
+
+		if (scsi_sg_count(SCpnt)) {
+			if (!i2o_dma_map_sg(c, scsi_sglist(SCpnt),
+					    scsi_sg_count(SCpnt),
 					    SCpnt->sc_data_direction, &mptr))
 				goto nomem;
-		} else {
-			SCpnt->SCp.dma_handle =
-			    i2o_dma_map_single(c, SCpnt->request_buffer,
-					       SCpnt->request_bufflen,
-					       SCpnt->sc_data_direction, &mptr);
-			if (dma_mapping_error(SCpnt->SCp.dma_handle))
-				goto nomem;
 		}
 	}
 

drivers/s390/scsi/zfcp_aux.c

@@ -815,9 +815,7 @@ zfcp_get_adapter_by_busid(char *bus_id)
 struct zfcp_unit *
 zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
 {
-	struct zfcp_unit *unit, *tmp_unit;
-	unsigned int scsi_lun;
-	int found;
+	struct zfcp_unit *unit;
 
 	/*
 	 * check that there is no unit with this FCP_LUN already in list
@@ -863,22 +861,10 @@ zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
 	}
 
 	zfcp_unit_get(unit);
+	unit->scsi_lun = scsilun_to_int((struct scsi_lun *)&unit->fcp_lun);
 
-	scsi_lun = 0;
-	found = 0;
 	write_lock_irq(&zfcp_data.config_lock);
-	list_for_each_entry(tmp_unit, &port->unit_list_head, list) {
-		if (tmp_unit->scsi_lun != scsi_lun) {
-			found = 1;
-			break;
-		}
-		scsi_lun++;
-	}
-	unit->scsi_lun = scsi_lun;
-	if (found)
-		list_add_tail(&unit->list, &tmp_unit->list);
-	else
-		list_add_tail(&unit->list, &port->unit_list_head);
+	list_add_tail(&unit->list, &port->unit_list_head);
 	atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status);
 	atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status);
 	write_unlock_irq(&zfcp_data.config_lock);

drivers/s390/scsi/zfcp_erp.c

@@ -1986,6 +1986,10 @@ zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *erp_action, int close)
  failed_openfcp:
 	zfcp_close_fsf(erp_action->adapter);
  failed_qdio:
+	atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK |
+			  ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
+			  ZFCP_STATUS_ADAPTER_XPORT_OK,
+			  &erp_action->adapter->status);
  out:
 	return retval;
 }
@@ -2167,6 +2171,9 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 		sleep *= 2;
 	}
 
+	atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
+			  &adapter->status);
+
 	if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
 			      &adapter->status)) {
 		ZFCP_LOG_INFO("error: exchange of configuration data for "

drivers/scsi/3w-9xxx.c

@@ -1306,22 +1306,26 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance)
 					wake_up(&tw_dev->ioctl_wqueue);
 				}
 			} else {
+				struct scsi_cmnd *cmd;
+
+				cmd = tw_dev->srb[request_id];
+
 				twa_scsiop_execute_scsi_complete(tw_dev, request_id);
 				/* If no error command was a success */
 				if (error == 0) {
-					tw_dev->srb[request_id]->result = (DID_OK << 16);
+					cmd->result = (DID_OK << 16);
 				}
 
 				/* If error, command failed */
 				if (error == 1) {
 					/* Ask for a host reset */
-					tw_dev->srb[request_id]->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
+					cmd->result = (DID_OK << 16) | (CHECK_CONDITION << 1);
 				}
 
 				/* Report residual bytes for single sgl */
-				if ((tw_dev->srb[request_id]->use_sg <= 1) && (full_command_packet->command.newcommand.status == 0)) {
-					if (full_command_packet->command.newcommand.sg_list[0].length < tw_dev->srb[request_id]->request_bufflen)
-						tw_dev->srb[request_id]->resid = tw_dev->srb[request_id]->request_bufflen - full_command_packet->command.newcommand.sg_list[0].length;
+				if ((scsi_sg_count(cmd) <= 1) && (full_command_packet->command.newcommand.status == 0)) {
+					if (full_command_packet->command.newcommand.sg_list[0].length < scsi_bufflen(tw_dev->srb[request_id]))
+						scsi_set_resid(cmd, scsi_bufflen(cmd) - full_command_packet->command.newcommand.sg_list[0].length);
 				}
 
 				/* Now complete the io */
@@ -1384,52 +1388,20 @@ static int twa_map_scsi_sg_data(TW_Device_Extension *tw_dev, int request_id)
 {
 	int use_sg;
 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
-	struct pci_dev *pdev = tw_dev->tw_pci_dev;
-	int retval = 0;
-
-	if (cmd->use_sg == 0)
-		goto out;
-
-	use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
 
-	if (use_sg == 0) {
+	use_sg = scsi_dma_map(cmd);
+	if (!use_sg)
+		return 0;
+	else if (use_sg < 0) {
 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to map scatter gather list");
-		goto out;
+		return 0;
 	}
 
 	cmd->SCp.phase = TW_PHASE_SGLIST;
 	cmd->SCp.have_data_in = use_sg;
-	retval = use_sg;
-out:
-	return retval;
-} /* End twa_map_scsi_sg_data() */
-
-/* This function will perform a pci-dma map for a single buffer */
-static dma_addr_t twa_map_scsi_single_data(TW_Device_Extension *tw_dev, int request_id)
-{
-	dma_addr_t mapping;
-	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
-	struct pci_dev *pdev = tw_dev->tw_pci_dev;
-	dma_addr_t retval = 0;
-
-	if (cmd->request_bufflen == 0) {
-		retval = 0;
-		goto out;
-	}
-
-	mapping = pci_map_single(pdev, cmd->request_buffer, cmd->request_bufflen, DMA_BIDIRECTIONAL);
-
-	if (mapping == 0) {
-		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1d, "Failed to map page");
-		goto out;
-	}
 
-	cmd->SCp.phase = TW_PHASE_SINGLE;
-	cmd->SCp.have_data_in = mapping;
-	retval = mapping;
-out:
-	return retval;
-} /* End twa_map_scsi_single_data() */
+	return use_sg;
+} /* End twa_map_scsi_sg_data() */
 
 /* This function will poll for a response interrupt of a request */
 static int twa_poll_response(TW_Device_Extension *tw_dev, int request_id, int seconds)
@@ -1815,15 +1787,13 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
 	u32 num_sectors = 0x0;
 	int i, sg_count;
 	struct scsi_cmnd *srb = NULL;
-	struct scatterlist *sglist = NULL;
-	dma_addr_t buffaddr = 0x0;
+	struct scatterlist *sglist = NULL, *sg;
 	int retval = 1;
 
 	if (tw_dev->srb[request_id]) {
-		if (tw_dev->srb[request_id]->request_buffer) {
-			sglist = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
-		}
 		srb = tw_dev->srb[request_id];
+		if (scsi_sglist(srb))
+			sglist = scsi_sglist(srb);
 	}
 
 	/* Initialize command packet */
@@ -1856,32 +1826,12 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
 
 	if (!sglistarg) {
 		/* Map sglist from scsi layer to cmd packet */
-		if (tw_dev->srb[request_id]->use_sg == 0) {
-			if (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH) {
-				command_packet->sg_list[0].address = TW_CPU_TO_SGL(tw_dev->generic_buffer_phys[request_id]);
-				command_packet->sg_list[0].length = cpu_to_le32(TW_MIN_SGL_LENGTH);
-				if (tw_dev->srb[request_id]->sc_data_direction == DMA_TO_DEVICE || tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL)
-					memcpy(tw_dev->generic_buffer_virt[request_id], tw_dev->srb[request_id]->request_buffer, tw_dev->srb[request_id]->request_bufflen);
-			} else {
-				buffaddr = twa_map_scsi_single_data(tw_dev, request_id);
-				if (buffaddr == 0)
-					goto out;
-
-				command_packet->sg_list[0].address = TW_CPU_TO_SGL(buffaddr);
-				command_packet->sg_list[0].length = cpu_to_le32(tw_dev->srb[request_id]->request_bufflen);
-			}
-			command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), 1));
 
-			if (command_packet->sg_list[0].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
-				TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2d, "Found unaligned address during execute scsi");
-				goto out;
-			}
-		}
-
-		if (tw_dev->srb[request_id]->use_sg > 0) {
-			if ((tw_dev->srb[request_id]->use_sg == 1) && (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH)) {
-				if (tw_dev->srb[request_id]->sc_data_direction == DMA_TO_DEVICE || tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL) {
-					struct scatterlist *sg = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
+		if (scsi_sg_count(srb)) {
+			if ((scsi_sg_count(srb) == 1) &&
+			    (scsi_bufflen(srb) < TW_MIN_SGL_LENGTH)) {
+				if (srb->sc_data_direction == DMA_TO_DEVICE || srb->sc_data_direction == DMA_BIDIRECTIONAL) {
+					struct scatterlist *sg = scsi_sglist(srb);
 					char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
 					memcpy(tw_dev->generic_buffer_virt[request_id], buf, sg->length);
 					kunmap_atomic(buf - sg->offset, KM_IRQ0);
@@ -1893,16 +1843,16 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
 				if (sg_count == 0)
 					goto out;
 
-				for (i = 0; i < sg_count; i++) {
-					command_packet->sg_list[i].address = TW_CPU_TO_SGL(sg_dma_address(&sglist[i]));
-					command_packet->sg_list[i].length = cpu_to_le32(sg_dma_len(&sglist[i]));
+				scsi_for_each_sg(srb, sg, sg_count, i) {
+					command_packet->sg_list[i].address = TW_CPU_TO_SGL(sg_dma_address(sg));
+					command_packet->sg_list[i].length = cpu_to_le32(sg_dma_len(sg));
 					if (command_packet->sg_list[i].address & TW_CPU_TO_SGL(TW_ALIGNMENT_9000_SGL)) {
 						TW_PRINTK(tw_dev->host, TW_DRIVER, 0x2e, "Found unaligned sgl address during execute scsi");
 						goto out;
 					}
 				}
 			}
-			command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), tw_dev->srb[request_id]->use_sg));
+			command_packet->sgl_entries__lunh = cpu_to_le16(TW_REQ_LUN_IN((srb->device->lun >> 4), scsi_sg_count(tw_dev->srb[request_id])));
 		}
 	} else {
 		/* Internal cdb post */
@@ -1932,7 +1882,7 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
 
 	/* Update SG statistics */
 	if (srb) {
-		tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
+		tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]);
 		if (tw_dev->sgl_entries > tw_dev->max_sgl_entries)
 			tw_dev->max_sgl_entries = tw_dev->sgl_entries;
 	}
@@ -1951,16 +1901,13 @@ out:
 /* This function completes an execute scsi operation */
 static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id)
 {
-	if (tw_dev->srb[request_id]->request_bufflen < TW_MIN_SGL_LENGTH &&
-	    (tw_dev->srb[request_id]->sc_data_direction == DMA_FROM_DEVICE ||
-	     tw_dev->srb[request_id]->sc_data_direction == DMA_BIDIRECTIONAL)) {
-		if (tw_dev->srb[request_id]->use_sg == 0) {
-			memcpy(tw_dev->srb[request_id]->request_buffer,
-			       tw_dev->generic_buffer_virt[request_id],
-			       tw_dev->srb[request_id]->request_bufflen);
-		}
-		if (tw_dev->srb[request_id]->use_sg == 1) {
-			struct scatterlist *sg = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
+	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
+
+	if (scsi_bufflen(cmd) < TW_MIN_SGL_LENGTH &&
+	    (cmd->sc_data_direction == DMA_FROM_DEVICE ||
+	     cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
+		if (scsi_sg_count(cmd) == 1) {
+			struct scatterlist *sg = scsi_sglist(tw_dev->srb[request_id]);
 			char *buf;
 			unsigned long flags = 0;
 			local_irq_save(flags);
@@ -2017,16 +1964,8 @@ static char *twa_string_lookup(twa_message_type *table, unsigned int code)
 static void twa_unmap_scsi_data(TW_Device_Extension *tw_dev, int request_id)
 {
 	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
-	struct pci_dev *pdev = tw_dev->tw_pci_dev;
 
-	switch(cmd->SCp.phase) {
-	case TW_PHASE_SINGLE:
-		pci_unmap_single(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, DMA_BIDIRECTIONAL);
-		break;
-	case TW_PHASE_SGLIST:
-		pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
-		break;
-	}
+	scsi_dma_unmap(cmd);
 } /* End twa_unmap_scsi_data() */
 
 /* scsi_host_template initializer */

drivers/scsi/3w-xxxx.c

@@ -1273,57 +1273,24 @@ static int tw_map_scsi_sg_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
 	int use_sg;
 
 	dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_sg_data()\n");
-	
-	if (cmd->use_sg == 0)
-		return 0;
 
-	use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
-	
-	if (use_sg == 0) {
+	use_sg = scsi_dma_map(cmd);
+	if (use_sg < 0) {
 		printk(KERN_WARNING "3w-xxxx: tw_map_scsi_sg_data(): pci_map_sg() failed.\n");
 		return 0;
 	}
 
 	cmd->SCp.phase = TW_PHASE_SGLIST;
 	cmd->SCp.have_data_in = use_sg;
-	
+
 	return use_sg;
 } /* End tw_map_scsi_sg_data() */
 
-static u32 tw_map_scsi_single_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
-{
-	dma_addr_t mapping;
-
-	dprintk(KERN_WARNING "3w-xxxx: tw_map_scsi_single_data()\n");
-
-	if (cmd->request_bufflen == 0)
-		return 0;
-
-	mapping = pci_map_page(pdev, virt_to_page(cmd->request_buffer), offset_in_page(cmd->request_buffer), cmd->request_bufflen, DMA_BIDIRECTIONAL);
-
-	if (mapping == 0) {
-		printk(KERN_WARNING "3w-xxxx: tw_map_scsi_single_data(): pci_map_page() failed.\n");
-		return 0;
-	}
-
-	cmd->SCp.phase = TW_PHASE_SINGLE;
-	cmd->SCp.have_data_in = mapping;
-
-	return mapping;
-} /* End tw_map_scsi_single_data() */
-
 static void tw_unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
 {
 	dprintk(KERN_WARNING "3w-xxxx: tw_unmap_scsi_data()\n");
 
-	switch(cmd->SCp.phase) {
-		case TW_PHASE_SINGLE:
-			pci_unmap_page(pdev, cmd->SCp.have_data_in, cmd->request_bufflen, DMA_BIDIRECTIONAL);
-			break;
-		case TW_PHASE_SGLIST:
-			pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, DMA_BIDIRECTIONAL);
-			break;
-	}
+	scsi_dma_unmap(cmd);
 } /* End tw_unmap_scsi_data() */
 
 /* This function will reset a device extension */
@@ -1499,27 +1466,16 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
 	void *buf;
 	unsigned int transfer_len;
 	unsigned long flags = 0;
+	struct scatterlist *sg = scsi_sglist(cmd);
 
-	if (cmd->use_sg) {
-		struct scatterlist *sg =
-			(struct scatterlist *)cmd->request_buffer;
-		local_irq_save(flags);
-		buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
-		transfer_len = min(sg->length, len);
-	} else {
-		buf = cmd->request_buffer;
-		transfer_len = min(cmd->request_bufflen, len);
-	}
+	local_irq_save(flags);
+	buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+	transfer_len = min(sg->length, len);
 
 	memcpy(buf, data, transfer_len);
-	
-	if (cmd->use_sg) {
-		struct scatterlist *sg;
 
-		sg = (struct scatterlist *)cmd->request_buffer;
-		kunmap_atomic(buf - sg->offset, KM_IRQ0);
-		local_irq_restore(flags);
-	}
+	kunmap_atomic(buf - sg->offset, KM_IRQ0);
+	local_irq_restore(flags);
 }
 
 /* This function is called by the isr to complete an inquiry command */
@@ -1764,19 +1720,20 @@ static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)
 {
 	TW_Command *command_packet;
 	unsigned long command_que_value;
-	u32 lba = 0x0, num_sectors = 0x0, buffaddr = 0x0;
+	u32 lba = 0x0, num_sectors = 0x0;
 	int i, use_sg;
 	struct scsi_cmnd *srb;
-	struct scatterlist *sglist;
+	struct scatterlist *sglist, *sg;
 
 	dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write()\n");
 
-	if (tw_dev->srb[request_id]->request_buffer == NULL) {
+	srb = tw_dev->srb[request_id];
+
+	sglist = scsi_sglist(srb);
+	if (!sglist) {
 		printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_write(): Request buffer NULL.\n");
 		return 1;
 	}
-	sglist = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer;
-	srb = tw_dev->srb[request_id];
 
 	/* Initialize command packet */
 	command_packet = (TW_Command *)tw_dev->command_packet_virtual_address[request_id];
@@ -1819,33 +1776,18 @@ static int tw_scsiop_read_write(TW_Device_Extension *tw_dev, int request_id)
 	command_packet->byte8.io.lba = lba;
 	command_packet->byte6.block_count = num_sectors;
 
-	/* Do this if there are no sg list entries */
-	if (tw_dev->srb[request_id]->use_sg == 0) {    
-		dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_write(): SG = 0\n");
-		buffaddr = tw_map_scsi_single_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
-		if (buffaddr == 0)
-			return 1;
+	use_sg = tw_map_scsi_sg_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
+	if (!use_sg)
+		return 1;
 
-		command_packet->byte8.io.sgl[0].address = buffaddr;
-		command_packet->byte8.io.sgl[0].length = tw_dev->srb[request_id]->request_bufflen;
+	scsi_for_each_sg(tw_dev->srb[request_id], sg, use_sg, i) {
+		command_packet->byte8.io.sgl[i].address = sg_dma_address(sg);
+		command_packet->byte8.io.sgl[i].length = sg_dma_len(sg);
 		command_packet->size+=2;
 	}
 
-	/* Do this if we have multiple sg list entries */
-	if (tw_dev->srb[request_id]->use_sg > 0) {
-		use_sg = tw_map_scsi_sg_data(tw_dev->tw_pci_dev, tw_dev->srb[request_id]);
-		if (use_sg == 0)
-			return 1;
-
-		for (i=0;i<use_sg; i++) {
-			command_packet->byte8.io.sgl[i].address = sg_dma_address(&sglist[i]);
-			command_packet->byte8.io.sgl[i].length = sg_dma_len(&sglist[i]);
-			command_packet->size+=2;
-		}
-	}
-
 	/* Update SG statistics */
-	tw_dev->sgl_entries = tw_dev->srb[request_id]->use_sg;
+	tw_dev->sgl_entries = scsi_sg_count(tw_dev->srb[request_id]);
 	if (tw_dev->sgl_entries > tw_dev->max_sgl_entries)
 		tw_dev->max_sgl_entries = tw_dev->sgl_entries;
 

drivers/scsi/53c700.c

@@ -267,8 +267,6 @@ NCR_700_offset_period_to_sxfer(struct NCR_700_Host_Parameters *hostdata,
 		offset = max_offset;
 	}
 	if(XFERP < min_xferp) {
-		printk(KERN_WARNING "53c700: XFERP %d is less than minium, setting to %d\n",
-		       XFERP,  min_xferp);
 		XFERP =  min_xferp;
 	}
 	return (offset & 0x0f) | (XFERP & 0x07)<<4;
@@ -585,16 +583,8 @@ NCR_700_unmap(struct NCR_700_Host_Parameters *hostdata, struct scsi_cmnd *SCp,
 	      struct NCR_700_command_slot *slot)
 {
 	if(SCp->sc_data_direction != DMA_NONE &&
-	   SCp->sc_data_direction != DMA_BIDIRECTIONAL) {
-		if(SCp->use_sg) {
-			dma_unmap_sg(hostdata->dev, SCp->request_buffer,
-				     SCp->use_sg, SCp->sc_data_direction);
-		} else {
-			dma_unmap_single(hostdata->dev, slot->dma_handle,
-					 SCp->request_bufflen,
-					 SCp->sc_data_direction);
-		}
-	}
+	   SCp->sc_data_direction != DMA_BIDIRECTIONAL)
+		scsi_dma_unmap(SCp);
 }
 
 STATIC inline void
@@ -661,7 +651,6 @@ NCR_700_chip_setup(struct Scsi_Host *host)
 {
 	struct NCR_700_Host_Parameters *hostdata = 
 		(struct NCR_700_Host_Parameters *)host->hostdata[0];
-	__u32 dcntl_extra = 0;
 	__u8 min_period;
 	__u8 min_xferp = (hostdata->chip710 ? NCR_710_MIN_XFERP : NCR_700_MIN_XFERP);
 
@@ -686,13 +675,14 @@ NCR_700_chip_setup(struct Scsi_Host *host)
 			        burst_disable = BURST_DISABLE;
 			        break;
 		}
-		dcntl_extra = COMPAT_700_MODE;
+		hostdata->dcntl_extra |= COMPAT_700_MODE;
 
-		NCR_700_writeb(dcntl_extra, host, DCNTL_REG);
+		NCR_700_writeb(hostdata->dcntl_extra, host, DCNTL_REG);
 		NCR_700_writeb(burst_length | hostdata->dmode_extra,
 			       host, DMODE_710_REG);
-		NCR_700_writeb(burst_disable | (hostdata->differential ? 
-						DIFF : 0), host, CTEST7_REG);
+		NCR_700_writeb(burst_disable | hostdata->ctest7_extra |
+			       (hostdata->differential ? DIFF : 0),
+			       host, CTEST7_REG);
 		NCR_700_writeb(BTB_TIMER_DISABLE, host, CTEST0_REG);
 		NCR_700_writeb(FULL_ARBITRATION | ENABLE_PARITY | PARITY
 			       | AUTO_ATN, host, SCNTL0_REG);
@@ -727,13 +717,13 @@ NCR_700_chip_setup(struct Scsi_Host *host)
 		 * of spec: sync divider 2, async divider 3 */
 		DEBUG(("53c700: sync 2 async 3\n"));
 		NCR_700_writeb(SYNC_DIV_2_0, host, SBCL_REG);
-		NCR_700_writeb(ASYNC_DIV_3_0 | dcntl_extra, host, DCNTL_REG);
+		NCR_700_writeb(ASYNC_DIV_3_0 | hostdata->dcntl_extra, host, DCNTL_REG);
 		hostdata->sync_clock = hostdata->clock/2;
 	} else	if(hostdata->clock > 50  && hostdata->clock <= 75) {
 		/* sync divider 1.5, async divider 3 */
 		DEBUG(("53c700: sync 1.5 async 3\n"));
 		NCR_700_writeb(SYNC_DIV_1_5, host, SBCL_REG);
-		NCR_700_writeb(ASYNC_DIV_3_0 | dcntl_extra, host, DCNTL_REG);
+		NCR_700_writeb(ASYNC_DIV_3_0 | hostdata->dcntl_extra, host, DCNTL_REG);
 		hostdata->sync_clock = hostdata->clock*2;
 		hostdata->sync_clock /= 3;
 		
@@ -741,18 +731,18 @@ NCR_700_chip_setup(struct Scsi_Host *host)
 		/* sync divider 1, async divider 2 */
 		DEBUG(("53c700: sync 1 async 2\n"));
 		NCR_700_writeb(SYNC_DIV_1_0, host, SBCL_REG);
-		NCR_700_writeb(ASYNC_DIV_2_0 | dcntl_extra, host, DCNTL_REG);
+		NCR_700_writeb(ASYNC_DIV_2_0 | hostdata->dcntl_extra, host, DCNTL_REG);
 		hostdata->sync_clock = hostdata->clock;
 	} else if(hostdata->clock > 25 && hostdata->clock <=37) {
 		/* sync divider 1, async divider 1.5 */
 		DEBUG(("53c700: sync 1 async 1.5\n"));
 		NCR_700_writeb(SYNC_DIV_1_0, host, SBCL_REG);
-		NCR_700_writeb(ASYNC_DIV_1_5 | dcntl_extra, host, DCNTL_REG);
+		NCR_700_writeb(ASYNC_DIV_1_5 | hostdata->dcntl_extra, host, DCNTL_REG);
 		hostdata->sync_clock = hostdata->clock;
 	} else {
 		DEBUG(("53c700: sync 1 async 1\n"));
 		NCR_700_writeb(SYNC_DIV_1_0, host, SBCL_REG);
-		NCR_700_writeb(ASYNC_DIV_1_0 | dcntl_extra, host, DCNTL_REG);
+		NCR_700_writeb(ASYNC_DIV_1_0 | hostdata->dcntl_extra, host, DCNTL_REG);
 		/* sync divider 1, async divider 1 */
 		hostdata->sync_clock = hostdata->clock;
 	}
@@ -1263,14 +1253,13 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
 		       host->host_no, pun, lun, NCR_700_condition[i],
 		       NCR_700_phase[j], dsp - hostdata->pScript);
 		if(SCp != NULL) {
-			scsi_print_command(SCp);
+			struct scatterlist *sg;
 
-			if(SCp->use_sg) {
-				for(i = 0; i < SCp->use_sg + 1; i++) {
-					printk(KERN_INFO " SG[%d].length = %d, move_insn=%08x, addr %08x\n", i, ((struct scatterlist *)SCp->request_buffer)[i].length, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].ins, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].pAddr);
-				}
+			scsi_print_command(SCp);
+			scsi_for_each_sg(SCp, sg, scsi_sg_count(SCp) + 1, i) {
+				printk(KERN_INFO " SG[%d].length = %d, move_insn=%08x, addr %08x\n", i, sg->length, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].ins, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].pAddr);
 			}
-		}	       
+		}
 		NCR_700_internal_bus_reset(host);
 	} else if((dsps & 0xfffff000) == A_DEBUG_INTERRUPT) {
 		printk(KERN_NOTICE "scsi%d (%d:%d) DEBUG INTERRUPT %d AT %08x[%04x], continuing\n",
@@ -1844,8 +1833,8 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *))
 	}
 	/* sanity check: some of the commands generated by the mid-layer
 	 * have an eccentric idea of their sc_data_direction */
-	if(!SCp->use_sg && !SCp->request_bufflen 
-	   && SCp->sc_data_direction != DMA_NONE) {
+	if(!scsi_sg_count(SCp) && !scsi_bufflen(SCp) &&
+	   SCp->sc_data_direction != DMA_NONE) {
 #ifdef NCR_700_DEBUG
 		printk("53c700: Command");
 		scsi_print_command(SCp);
@@ -1887,31 +1876,15 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *))
 		int i;
 		int sg_count;
 		dma_addr_t vPtr = 0;
+		struct scatterlist *sg;
 		__u32 count = 0;
 
-		if(SCp->use_sg) {
-			sg_count = dma_map_sg(hostdata->dev,
-					      SCp->request_buffer, SCp->use_sg,
-					      direction);
-		} else {
-			vPtr = dma_map_single(hostdata->dev,
-					      SCp->request_buffer, 
-					      SCp->request_bufflen,
-					      direction);
-			count = SCp->request_bufflen;
-			slot->dma_handle = vPtr;
-			sg_count = 1;
-		}
-			
+		sg_count = scsi_dma_map(SCp);
+		BUG_ON(sg_count < 0);
 
-		for(i = 0; i < sg_count; i++) {
-
-			if(SCp->use_sg) {
-				struct scatterlist *sg = SCp->request_buffer;
-
-				vPtr = sg_dma_address(&sg[i]);
-				count = sg_dma_len(&sg[i]);
-			}
+		scsi_for_each_sg(SCp, sg, sg_count, i) {
+			vPtr = sg_dma_address(sg);
+			count = sg_dma_len(sg);
 
 			slot->SG[i].ins = bS_to_host(move_ins | count);
 			DEBUG((" scatter block %d: move %d[%08x] from 0x%lx\n",

drivers/scsi/53c700.h

@@ -177,6 +177,7 @@ struct NCR_700_command_slot {
 	__u8	state;
 	#define NCR_700_FLAG_AUTOSENSE	0x01
 	__u8	flags;
+	__u8	pad1[2];	/* Needed for m68k where min alignment is 2 bytes */
 	int	tag;
 	__u32	resume_offset;
 	struct scsi_cmnd *cmnd;
@@ -196,6 +197,8 @@ struct NCR_700_Host_Parameters {
 	void __iomem	*base;		/* the base for the port (copied to host) */
 	struct device	*dev;
 	__u32	dmode_extra;	/* adjustable bus settings */
+	__u32	dcntl_extra;	/* adjustable bus settings */
+	__u32	ctest7_extra;	/* adjustable bus settings */
 	__u32	differential:1;	/* if we are differential */
 #ifdef CONFIG_53C700_LE_ON_BE
 	/* This option is for HP only.  Set it if your chip is wired for
@@ -352,6 +355,7 @@ struct NCR_700_Host_Parameters {
 #define		SEL_TIMEOUT_DISABLE	0x10 /* 710 only */
 #define         DFP                     0x08
 #define         EVP                     0x04
+#define         CTEST7_TT1              0x02
 #define		DIFF			0x01
 #define CTEST6_REG                      0x1A
 #define	TEMP_REG			0x1C
@@ -385,6 +389,7 @@ struct NCR_700_Host_Parameters {
 #define		SOFTWARE_RESET		0x01
 #define		COMPAT_700_MODE		0x01
 #define 	SCRPTS_16BITS		0x20
+#define		EA_710			0x20
 #define		ASYNC_DIV_2_0		0x00
 #define		ASYNC_DIV_1_5		0x40
 #define		ASYNC_DIV_1_0		0x80

drivers/scsi/53c7xx.c

@@ -1,6102 +0,0 @@
-/*
- * 53c710 driver.  Modified from Drew Eckhardts driver
- * for 53c810 by Richard Hirst [richard@sleepie.demon.co.uk]
- * Check out PERM_OPTIONS and EXPECTED_CLOCK, which may be defined in the
- * relevant machine specific file (eg. mvme16x.[ch], amiga7xx.[ch]).
- * There are also currently some defines at the top of 53c7xx.scr.
- * The chip type is #defined in script_asm.pl, as well as the Makefile.
- * Host scsi ID expected to be 7 - see NCR53c7x0_init().
- *
- * I have removed the PCI code and some of the 53c8xx specific code - 
- * simply to make this file smaller and easier to manage.
- *
- * MVME16x issues:
- *   Problems trying to read any chip registers in NCR53c7x0_init(), as they
- *   may never have been set by 16xBug (eg. If kernel has come in over tftp).
- */
-
-/*
- * Adapted for Linux/m68k Amiga platforms for the A4000T/A4091 and
- * WarpEngine SCSI controllers.
- * By Alan Hourihane <alanh@fairlite.demon.co.uk>
- * Thanks to Richard Hirst for making it possible with the MVME additions
- */
-
-/*
- * 53c710 rev 0 doesn't support add with carry.  Rev 1 and 2 does.  To
- * overcome this problem you can define FORCE_DSA_ALIGNMENT, which ensures
- * that the DSA address is always xxxxxx00.  If disconnection is not allowed,
- * then the script only ever tries to add small (< 256) positive offsets to
- * DSA, so lack of carry isn't a problem.  FORCE_DSA_ALIGNMENT can, of course,
- * be defined for all chip revisions at a small cost in memory usage.
- */
-
-#define FORCE_DSA_ALIGNMENT
-
-/*
- * Selection timer does not always work on the 53c710, depending on the
- * timing at the last disconnect, if this is a problem for you, try
- * using validids as detailed below.
- *
- * Options for the NCR7xx driver
- *
- * noasync:0		-	disables sync and asynchronous negotiation
- * nosync:0		-	disables synchronous negotiation (does async)
- * nodisconnect:0	-	disables disconnection
- * validids:0x??	-	Bitmask field that disallows certain ID's.
- *			-	e.g.	0x03	allows ID 0,1
- *			-		0x1F	allows ID 0,1,2,3,4
- * opthi:n		-	replace top word of options with 'n'
- * optlo:n		-	replace bottom word of options with 'n'
- *			-	ALWAYS SPECIFY opthi THEN optlo <<<<<<<<<<
- */
-
-/*
- * PERM_OPTIONS are driver options which will be enabled for all NCR boards
- * in the system at driver initialization time.
- *
- * Don't THINK about touching these in PERM_OPTIONS : 
- *   OPTION_MEMORY_MAPPED 
- * 	680x0 doesn't have an IO map!
- *
- *   OPTION_DEBUG_TEST1
- *	Test 1 does bus mastering and interrupt tests, which will help weed 
- *	out brain damaged main boards.
- *
- * Other PERM_OPTIONS settings are listed below.  Note the actual options
- * required are set in the relevant file (mvme16x.c, amiga7xx.c, etc):
- *
- *   OPTION_NO_ASYNC
- *	Don't negotiate for asynchronous transfers on the first command 
- *	when OPTION_ALWAYS_SYNCHRONOUS is set.  Useful for dain bramaged
- *	devices which do something bad rather than sending a MESSAGE 
- *	REJECT back to us like they should if they can't cope.
- *
- *   OPTION_SYNCHRONOUS
- *	Enable support for synchronous transfers.  Target negotiated 
- *	synchronous transfers will be responded to.  To initiate 
- *	a synchronous transfer request,  call 
- *
- *	    request_synchronous (hostno, target) 
- *
- *	from within KGDB.
- *
- *   OPTION_ALWAYS_SYNCHRONOUS
- *	Negotiate for synchronous transfers with every target after
- *	driver initialization or a SCSI bus reset.  This is a bit dangerous, 
- *	since there are some dain bramaged SCSI devices which will accept
- *	SDTR messages but keep talking asynchronously.
- *
- *   OPTION_DISCONNECT
- *	Enable support for disconnect/reconnect.  To change the 
- *	default setting on a given host adapter, call
- *
- *	    request_disconnect (hostno, allow)
- *
- *	where allow is non-zero to allow, 0 to disallow.
- * 
- *  If you really want to run 10MHz FAST SCSI-II transfers, you should 
- *  know that the NCR driver currently ignores parity information.  Most
- *  systems do 5MHz SCSI fine.  I've seen a lot that have problems faster
- *  than 8MHz.  To play it safe, we only request 5MHz transfers.
- *
- *  If you'd rather get 10MHz transfers, edit sdtr_message and change 
- *  the fourth byte from 50 to 25.
- */
-
-/*
- * Sponsored by 
- *	iX Multiuser Multitasking Magazine
- *	Hannover, Germany
- *	hm@ix.de
- *
- * Copyright 1993, 1994, 1995 Drew Eckhardt
- *      Visionary Computing 
- *      (Unix and Linux consulting and custom programming)
- *      drew@PoohSticks.ORG
- *	+1 (303) 786-7975
- *
- * TolerANT and SCSI SCRIPTS are registered trademarks of NCR Corporation.
- * 
- * For more information, please consult 
- *
- * NCR53C810 
- * SCSI I/O Processor
- * Programmer's Guide
- *
- * NCR 53C810
- * PCI-SCSI I/O Processor
- * Data Manual
- *
- * NCR 53C810/53C820
- * PCI-SCSI I/O Processor Design In Guide
- *
- * For literature on Symbios Logic Inc. formerly NCR, SCSI, 
- * and Communication products please call (800) 334-5454 or
- * (719) 536-3300. 
- * 
- * PCI BIOS Specification Revision
- * PCI Local Bus Specification
- * PCI System Design Guide
- *
- * PCI Special Interest Group
- * M/S HF3-15A
- * 5200 N.E. Elam Young Parkway
- * Hillsboro, Oregon 97124-6497
- * +1 (503) 696-2000 
- * +1 (800) 433-5177
- */
-
-/*
- * Design issues : 
- * The cumulative latency needed to propagate a read/write request 
- * through the file system, buffer cache, driver stacks, SCSI host, and 
- * SCSI device is ultimately the limiting factor in throughput once we 
- * have a sufficiently fast host adapter.
- *  
- * So, to maximize performance we want to keep the ratio of latency to data 
- * transfer time to a minimum by
- * 1.  Minimizing the total number of commands sent (typical command latency
- *	including drive and bus mastering host overhead is as high as 4.5ms)
- *	to transfer a given amount of data.  
- *
- *      This is accomplished by placing no arbitrary limit on the number
- *	of scatter/gather buffers supported, since we can transfer 1K
- *	per scatter/gather buffer without Eric's cluster patches, 
- *	4K with.  
- *
- * 2.  Minimizing the number of fatal interrupts serviced, since
- * 	fatal interrupts halt the SCSI I/O processor.  Basically,
- *	this means offloading the practical maximum amount of processing 
- *	to the SCSI chip.
- * 
- *	On the NCR53c810/820/720,  this is accomplished by using 
- *		interrupt-on-the-fly signals when commands complete, 
- *		and only handling fatal errors and SDTR / WDTR 	messages 
- *		in the host code.
- *
- *	On the NCR53c710, interrupts are generated as on the NCR53c8x0,
- *		only the lack of a interrupt-on-the-fly facility complicates
- *		things.   Also, SCSI ID registers and commands are 
- *		bit fielded rather than binary encoded.
- *		
- * 	On the NCR53c700 and NCR53c700-66, operations that are done via 
- *		indirect, table mode on the more advanced chips must be
- *	        replaced by calls through a jump table which 
- *		acts as a surrogate for the DSA.  Unfortunately, this 
- * 		will mean that we must service an interrupt for each 
- *		disconnect/reconnect.
- * 
- * 3.  Eliminating latency by pipelining operations at the different levels.
- * 	
- *	This driver allows a configurable number of commands to be enqueued
- *	for each target/lun combination (experimentally, I have discovered
- *	that two seems to work best) and will ultimately allow for 
- *	SCSI-II tagged queuing.
- * 	
- *
- * Architecture : 
- * This driver is built around a Linux queue of commands waiting to 
- * be executed, and a shared Linux/NCR array of commands to start.  Commands
- * are transferred to the array  by the run_process_issue_queue() function 
- * which is called whenever a command completes.
- *
- * As commands are completed, the interrupt routine is triggered,
- * looks for commands in the linked list of completed commands with
- * valid status, removes these commands from a list of running commands, 
- * calls the done routine, and flags their target/luns as not busy.
- *
- * Due to limitations in the intelligence of the NCR chips, certain
- * concessions are made.  In many cases, it is easier to dynamically 
- * generate/fix-up code rather than calculate on the NCR at run time.  
- * So, code is generated or fixed up for
- *
- * - Handling data transfers, using a variable number of MOVE instructions
- *	interspersed with CALL MSG_IN, WHEN MSGIN instructions.
- *
- * 	The DATAIN and DATAOUT routines	are separate, so that an incorrect
- *	direction can be trapped, and space isn't wasted. 
- *
- *	It may turn out that we're better off using some sort 
- *	of table indirect instruction in a loop with a variable
- *	sized table on the NCR53c710 and newer chips.
- *
- * - Checking for reselection (NCR53c710 and better)
- *
- * - Handling the details of SCSI context switches (NCR53c710 and better),
- *	such as reprogramming appropriate synchronous parameters, 
- *	removing the dsa structure from the NCR's queue of outstanding
- *	commands, etc.
- *
- */
-
-#include <linux/module.h>
-
-
-#include <linux/types.h>
-#include <asm/setup.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <linux/delay.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/time.h>
-#include <linux/blkdev.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <asm/pgtable.h>
-
-#ifdef CONFIG_AMIGA
-#include <asm/amigahw.h>
-#include <asm/amigaints.h>
-#include <asm/irq.h>
-
-#define BIG_ENDIAN
-#define NO_IO_SPACE
-#endif
-
-#ifdef CONFIG_MVME16x
-#include <asm/mvme16xhw.h>
-
-#define BIG_ENDIAN
-#define NO_IO_SPACE
-#define VALID_IDS
-#endif
-
-#ifdef CONFIG_BVME6000
-#include <asm/bvme6000hw.h>
-
-#define BIG_ENDIAN
-#define NO_IO_SPACE
-#define VALID_IDS
-#endif
-
-#include "scsi.h"
-#include <scsi/scsi_dbg.h>
-#include <scsi/scsi_host.h>
-#include <scsi/scsi_transport_spi.h>
-#include "53c7xx.h"
-#include <linux/stat.h>
-#include <linux/stddef.h>
-
-#ifdef NO_IO_SPACE
-/*
- * The following make the definitions in 53c7xx.h (write8, etc) smaller,
- * we don't have separate i/o space anyway.
- */
-#undef inb
-#undef outb
-#undef inw
-#undef outw
-#undef inl
-#undef outl
-#define inb(x)          1
-#define inw(x)          1
-#define inl(x)          1
-#define outb(x,y)       1
-#define outw(x,y)       1
-#define outl(x,y)       1
-#endif
-
-static int check_address (unsigned long addr, int size);
-static void dump_events (struct Scsi_Host *host, int count);
-static Scsi_Cmnd * return_outstanding_commands (struct Scsi_Host *host, 
-    int free, int issue);
-static void hard_reset (struct Scsi_Host *host);
-static void ncr_scsi_reset (struct Scsi_Host *host);
-static void print_lots (struct Scsi_Host *host);
-static void set_synchronous (struct Scsi_Host *host, int target, int sxfer, 
-    int scntl3, int now_connected);
-static int datapath_residual (struct Scsi_Host *host);
-static const char * sbcl_to_phase (int sbcl);
-static void print_progress (Scsi_Cmnd *cmd);
-static void print_queues (struct Scsi_Host *host);
-static void process_issue_queue (unsigned long flags);
-static int shutdown (struct Scsi_Host *host);
-static void abnormal_finished (struct NCR53c7x0_cmd *cmd, int result);
-static int disable (struct Scsi_Host *host);
-static int NCR53c7xx_run_tests (struct Scsi_Host *host);
-static irqreturn_t NCR53c7x0_intr(int irq, void *dev_id);
-static void NCR53c7x0_intfly (struct Scsi_Host *host);
-static int ncr_halt (struct Scsi_Host *host);
-static void intr_phase_mismatch (struct Scsi_Host *host, struct NCR53c7x0_cmd 
-    *cmd);
-static void intr_dma (struct Scsi_Host *host, struct NCR53c7x0_cmd *cmd);
-static void print_dsa (struct Scsi_Host *host, u32 *dsa,
-    const char *prefix);
-static int print_insn (struct Scsi_Host *host, const u32 *insn,
-    const char *prefix, int kernel);
-
-static void NCR53c7xx_dsa_fixup (struct NCR53c7x0_cmd *cmd);
-static void NCR53c7x0_init_fixup (struct Scsi_Host *host);
-static int NCR53c7x0_dstat_sir_intr (struct Scsi_Host *host, struct 
-    NCR53c7x0_cmd *cmd);
-static void NCR53c7x0_soft_reset (struct Scsi_Host *host);
-
-/* Size of event list (per host adapter) */
-static int track_events = 0;
-static struct Scsi_Host *first_host = NULL;	/* Head of list of NCR boards */
-static struct scsi_host_template *the_template = NULL;
-
-/* NCR53c710 script handling code */
-
-#include "53c7xx_d.h"
-#ifdef A_int_debug_sync
-#define DEBUG_SYNC_INTR A_int_debug_sync
-#endif
-int NCR53c7xx_script_len = sizeof (SCRIPT);
-int NCR53c7xx_dsa_len = A_dsa_end + Ent_dsa_zero - Ent_dsa_code_template;
-#ifdef FORCE_DSA_ALIGNMENT
-int CmdPageStart = (0 - Ent_dsa_zero - sizeof(struct NCR53c7x0_cmd)) & 0xff;
-#endif
-
-static char *setup_strings[] =
-	{"","","","","","","",""};
-
-#define MAX_SETUP_STRINGS ARRAY_SIZE(setup_strings)
-#define SETUP_BUFFER_SIZE 200
-static char setup_buffer[SETUP_BUFFER_SIZE];
-static char setup_used[MAX_SETUP_STRINGS];
-
-void ncr53c7xx_setup (char *str, int *ints)
-{
-   int i;
-   char *p1, *p2;
-
-   p1 = setup_buffer;
-   *p1 = '\0';
-   if (str)
-      strncpy(p1, str, SETUP_BUFFER_SIZE - strlen(setup_buffer));
-   setup_buffer[SETUP_BUFFER_SIZE - 1] = '\0';
-   p1 = setup_buffer;
-   i = 0;
-   while (*p1 && (i < MAX_SETUP_STRINGS)) {
-      p2 = strchr(p1, ',');
-      if (p2) {
-         *p2 = '\0';
-         if (p1 != p2)
-            setup_strings[i] = p1;
-         p1 = p2 + 1;
-         i++;
-         }
-      else {
-         setup_strings[i] = p1;
-         break;
-         }
-      }
-   for (i=0; i<MAX_SETUP_STRINGS; i++)
-      setup_used[i] = 0;
-}
-
-
-/* check_setup_strings() returns index if key found, 0 if not
- */
-
-static int check_setup_strings(char *key, int *flags, int *val, char *buf)
-{
-int x;
-char *cp;
-
-   for  (x=0; x<MAX_SETUP_STRINGS; x++) {
-      if (setup_used[x])
-         continue;
-      if (!strncmp(setup_strings[x], key, strlen(key)))
-         break;
-      if (!strncmp(setup_strings[x], "next", strlen("next")))
-         return 0;
-      }
-   if (x == MAX_SETUP_STRINGS)
-      return 0;
-   setup_used[x] = 1;
-   cp = setup_strings[x] + strlen(key);
-   *val = -1;
-   if (*cp != ':')
-      return ++x;
-   cp++;
-   if ((*cp >= '0') && (*cp <= '9')) {
-      *val = simple_strtoul(cp,NULL,0);
-      }
-   return ++x;
-}
-
-
-
-/*
- * KNOWN BUGS :
- * - There is some sort of conflict when the PPP driver is compiled with 
- * 	support for 16 channels?
- * 
- * - On systems which predate the 1.3.x initialization order change,
- *      the NCR driver will cause Cannot get free page messages to appear.  
- *      These are harmless, but I don't know of an easy way to avoid them.
- *
- * - With OPTION_DISCONNECT, on two systems under unknown circumstances,
- *	we get a PHASE MISMATCH with DSA set to zero (suggests that we 
- *	are occurring somewhere in the reselection code) where 
- *	DSP=some value DCMD|DBC=same value.  
- * 	
- *	Closer inspection suggests that we may be trying to execute
- *	some portion of the DSA?
- * scsi0 : handling residual transfer (+ 0 bytes from DMA FIFO)
- * scsi0 : handling residual transfer (+ 0 bytes from DMA FIFO)
- * scsi0 : no current command : unexpected phase MSGIN.
- *         DSP=0x1c46cc, DCMD|DBC=0x1c46ac, DSA=0x0
- *         DSPS=0x0, TEMP=0x1c3e70, DMODE=0x80
- * scsi0 : DSP->
- * 001c46cc : 0x001c46cc 0x00000000
- * 001c46d4 : 0x001c5ea0 0x000011f8
- *
- *	Changed the print code in the phase_mismatch handler so
- *	that we call print_lots to try to diagnose this.
- *
- */
-
-/* 
- * Possible future direction of architecture for max performance :
- *
- * We're using a single start array for the NCR chip.  This is 
- * sub-optimal, because we cannot add a command which would conflict with 
- * an executing command to this start queue, and therefore must insert the 
- * next command for a given I/T/L combination after the first has completed;
- * incurring our interrupt latency between SCSI commands.
- *
- * To allow further pipelining of the NCR and host CPU operation, we want 
- * to set things up so that immediately on termination of a command destined 
- * for a given LUN, we get that LUN busy again.  
- * 
- * To do this, we need to add a 32 bit pointer to which is jumped to 
- * on completion of a command.  If no new command is available, this 
- * would point to the usual DSA issue queue select routine.
- *
- * If one were, it would point to a per-NCR53c7x0_cmd select routine 
- * which starts execution immediately, inserting the command at the head 
- * of the start queue if the NCR chip is selected or reselected.
- *
- * We would change so that we keep a list of outstanding commands 
- * for each unit, rather than a single running_list.  We'd insert 
- * a new command into the right running list; if the NCR didn't 
- * have something running for that yet, we'd put it in the 
- * start queue as well.  Some magic needs to happen to handle the 
- * race condition between the first command terminating before the 
- * new one is written.
- *
- * Potential for profiling : 
- * Call do_gettimeofday(struct timeval *tv) to get 800ns resolution.
- */
-
-
-/*
- * TODO : 
- * 1.  To support WIDE transfers, not much needs to happen.  We
- *	should do CHMOVE instructions instead of MOVEs when
- *	we have scatter/gather segments of uneven length.  When
- * 	we do this, we need to handle the case where we disconnect
- *	between segments.
- * 
- * 2.  Currently, when Icky things happen we do a FATAL().  Instead,
- *     we want to do an integrity check on the parts of the NCR hostdata
- *     structure which were initialized at boot time; FATAL() if that 
- *     fails, and otherwise try to recover.  Keep track of how many
- *     times this has happened within a single SCSI command; if it 
- *     gets excessive, then FATAL().
- *
- * 3.  Parity checking is currently disabled, and a few things should 
- *     happen here now that we support synchronous SCSI transfers :
- *     1.  On soft-reset, we shoould set the EPC (Enable Parity Checking)
- *	   and AAP (Assert SATN/ on parity error) bits in SCNTL0.
- *	
- *     2.  We should enable the parity interrupt in the SIEN0 register.
- * 
- *     3.  intr_phase_mismatch() needs to believe that message out is 
- *	   always an "acceptable" phase to have a mismatch in.  If 
- *	   the old phase was MSG_IN, we should send a MESSAGE PARITY 
- *	   error.  If the old phase was something else, we should send
- *	   a INITIATOR_DETECTED_ERROR message.  Note that this could
- *	   cause a RESTORE POINTERS message; so we should handle that 
- *	   correctly first.  Instead, we should probably do an 
- *	   initiator_abort.
- *
- * 4.  MPEE bit of CTEST4 should be set so we get interrupted if 
- *     we detect an error.
- *
- *  
- * 5.  The initial code has been tested on the NCR53c810.  I don't 
- *     have access to NCR53c700, 700-66 (Forex boards), NCR53c710
- *     (NCR Pentium systems), NCR53c720, NCR53c820, or NCR53c825 boards to 
- *     finish development on those platforms.
- *
- *     NCR53c820/825/720 - need to add wide transfer support, including WDTR 
- *     		negotiation, programming of wide transfer capabilities
- *		on reselection and table indirect selection.
- *
- *     NCR53c710 - need to add fatal interrupt or GEN code for 
- *		command completion signaling.   Need to modify all 
- *		SDID, SCID, etc. registers, and table indirect select code 
- *		since these use bit fielded (ie 1<<target) instead of 
- *		binary encoded target ids.  Need to accommodate
- *		different register mappings, probably scan through
- *		the SCRIPT code and change the non SFBR register operand
- *		of all MOVE instructions.
- *
- *		It is rather worse than this actually, the 710 corrupts
- *		both TEMP and DSA when you do a MOVE MEMORY.  This
- *		screws you up all over the place.  MOVE MEMORY 4 with a
- *		destination of DSA seems to work OK, which helps some.
- *		Richard Hirst  richard@sleepie.demon.co.uk
- * 
- *     NCR53c700/700-66 - need to add code to refix addresses on 
- *		every nexus change, eliminate all table indirect code,
- *		very messy.
- *
- * 6.  The NCR53c7x0 series is very popular on other platforms that 
- *     could be running Linux - ie, some high performance AMIGA SCSI 
- *     boards use it.  
- *	
- *     So, I should include #ifdef'd code so that it is 
- *     compatible with these systems.
- *	
- *     Specifically, the little Endian assumptions I made in my 
- *     bit fields need to change, and if the NCR doesn't see memory
- *     the right way, we need to provide options to reverse words
- *     when the scripts are relocated.
- *
- * 7.  Use vremap() to access memory mapped boards.  
- */
-
-/* 
- * Allow for simultaneous existence of multiple SCSI scripts so we 
- * can have a single driver binary for all of the family.
- *
- * - one for NCR53c700 and NCR53c700-66 chips	(not yet supported)
- * - one for rest (only the NCR53c810, 815, 820, and 825 are currently 
- *	supported)
- * 
- * So that we only need two SCSI scripts, we need to modify things so
- * that we fixup register accesses in READ/WRITE instructions, and 
- * we'll also have to accommodate the bit vs. binary encoding of IDs
- * with the 7xx chips.
- */
-
-#define ROUNDUP(adr,type)	\
-  ((void *) (((long) (adr) + sizeof(type) - 1) & ~(sizeof(type) - 1)))
-
-
-/*
- * Function: issue_to_cmd
- *
- * Purpose: convert jump instruction in issue array to NCR53c7x0_cmd
- *	structure pointer.  
- *
- * Inputs; issue - pointer to start of NOP or JUMP instruction
- *	in issue array.
- *
- * Returns: pointer to command on success; 0 if opcode is NOP.
- */
-
-static inline struct NCR53c7x0_cmd *
-issue_to_cmd (struct Scsi_Host *host, struct NCR53c7x0_hostdata *hostdata,
-    u32 *issue)
-{
-    return (issue[0] != hostdata->NOP_insn) ? 
-    /* 
-     * If the IF TRUE bit is set, it's a JUMP instruction.  The
-     * operand is a bus pointer to the dsa_begin routine for this DSA.  The
-     * dsa field of the NCR53c7x0_cmd structure starts with the 
-     * DSA code template.  By converting to a virtual address,
-     * subtracting the code template size, and offset of the 
-     * dsa field, we end up with a pointer to the start of the 
-     * structure (alternatively, we could use the 
-     * dsa_cmnd field, an anachronism from when we weren't
-     * sure what the relationship between the NCR structures
-     * and host structures were going to be.
-     */
-	(struct NCR53c7x0_cmd *) ((char *) bus_to_virt (issue[1]) - 
-	    (hostdata->E_dsa_code_begin - hostdata->E_dsa_code_template) -
-	    offsetof(struct NCR53c7x0_cmd, dsa)) 
-    /* If the IF TRUE bit is not set, it's a NOP */
-	: NULL;
-}
-
-
-/* 
- * FIXME: we should junk these, in favor of synchronous_want and 
- * wide_want in the NCR53c7x0_hostdata structure.
- */
-
-/* Template for "preferred" synchronous transfer parameters. */
-
-static const unsigned char sdtr_message[] = {
-#ifdef CONFIG_SCSI_NCR53C7xx_FAST
-    EXTENDED_MESSAGE, 3 /* length */, EXTENDED_SDTR, 25 /* *4ns */, 8 /* off */
-#else
-    EXTENDED_MESSAGE, 3 /* length */, EXTENDED_SDTR, 50 /* *4ns */, 8 /* off */ 
-#endif
-};
-
-/* Template to request asynchronous transfers */
-
-static const unsigned char async_message[] = {
-    EXTENDED_MESSAGE, 3 /* length */, EXTENDED_SDTR, 0, 0 /* asynchronous */
-};
-
-/* Template for "preferred" WIDE transfer parameters */
-
-static const unsigned char wdtr_message[] = {
-    EXTENDED_MESSAGE, 2 /* length */, EXTENDED_WDTR, 1 /* 2^1 bytes */
-};
-
-#if 0
-/*
- * Function : struct Scsi_Host *find_host (int host)
- * 
- * Purpose : KGDB support function which translates a host number 
- * 	to a host structure. 
- *
- * Inputs : host - number of SCSI host
- *
- * Returns : NULL on failure, pointer to host structure on success.
- */
-
-static struct Scsi_Host *
-find_host (int host) {
-    struct Scsi_Host *h;
-    for (h = first_host; h && h->host_no != host; h = h->next);
-    if (!h) {
-	printk (KERN_ALERT "scsi%d not found\n", host);
-	return NULL;
-    } else if (h->hostt != the_template) {
-	printk (KERN_ALERT "scsi%d is not a NCR board\n", host);
-	return NULL;
-    }
-    return h;
-}
-
-#if 0
-/*
- * Function : request_synchronous (int host, int target)
- * 
- * Purpose : KGDB interface which will allow us to negotiate for 
- * 	synchronous transfers.  This ill be replaced with a more 
- * 	integrated function; perhaps a new entry in the scsi_host 
- *	structure, accessible via an ioctl() or perhaps /proc/scsi.
- *
- * Inputs : host - number of SCSI host; target - number of target.
- *
- * Returns : 0 when negotiation has been setup for next SCSI command,
- *	-1 on failure.
- */
-
-static int
-request_synchronous (int host, int target) {
-    struct Scsi_Host *h;
-    struct NCR53c7x0_hostdata *hostdata;
-    unsigned long flags;
-    if (target < 0) {
-	printk (KERN_ALERT "target %d is bogus\n", target);
-	return -1;
-    }
-    if (!(h = find_host (host)))
-	return -1;
-    else if (h->this_id == target) {
-	printk (KERN_ALERT "target %d is host ID\n", target);
-	return -1;
-    } 
-    else if (target >= h->max_id) {
-	printk (KERN_ALERT "target %d exceeds maximum of %d\n", target,
-	    h->max_id);
-	return -1;
-    }
-    hostdata = (struct NCR53c7x0_hostdata *)h->hostdata[0];
-
-    local_irq_save(flags);
-    if (hostdata->initiate_sdtr & (1 << target)) {
-	local_irq_restore(flags);
-	printk (KERN_ALERT "target %d already doing SDTR\n", target);
-	return -1;
-    } 
-    hostdata->initiate_sdtr |= (1 << target);
-    local_irq_restore(flags);
-    return 0;
-}
-#endif
-
-/*
- * Function : request_disconnect (int host, int on_or_off)
- * 
- * Purpose : KGDB support function, tells us to allow or disallow 
- *	disconnections.
- *
- * Inputs : host - number of SCSI host; on_or_off - non-zero to allow,
- *	zero to disallow.
- *
- * Returns : 0 on success, *	-1 on failure.
- */
-
-static int 
-request_disconnect (int host, int on_or_off) {
-    struct Scsi_Host *h;
-    struct NCR53c7x0_hostdata *hostdata;
-    if (!(h = find_host (host)))
-	return -1;
-    hostdata = (struct NCR53c7x0_hostdata *) h->hostdata[0];
-    if (on_or_off) 
-	hostdata->options |= OPTION_DISCONNECT;
-    else
-	hostdata->options &= ~OPTION_DISCONNECT;
-    return 0;
-}
-#endif
-
-/*
- * Function : static void NCR53c7x0_driver_init (struct Scsi_Host *host)
- *
- * Purpose : Initialize internal structures, as required on startup, or 
- *	after a SCSI bus reset.
- * 
- * Inputs : host - pointer to this host adapter's structure
- */
-
-static void 
-NCR53c7x0_driver_init (struct Scsi_Host *host) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    int i, j;
-    u32 *ncrcurrent;
-
-    for (i = 0; i < 16; ++i) {
-	hostdata->request_sense[i] = 0;
-    	for (j = 0; j < 8; ++j) 
-	    hostdata->busy[i][j] = 0;
-	set_synchronous (host, i, /* sxfer */ 0, hostdata->saved_scntl3, 0);
-    }
-    hostdata->issue_queue = NULL;
-    hostdata->running_list = hostdata->finished_queue = 
-	hostdata->ncrcurrent = NULL;
-    for (i = 0, ncrcurrent = (u32 *) hostdata->schedule; 
-	i < host->can_queue; ++i, ncrcurrent += 2) {
-	ncrcurrent[0] = hostdata->NOP_insn;
-	ncrcurrent[1] = 0xdeadbeef;
-    }
-    ncrcurrent[0] = ((DCMD_TYPE_TCI|DCMD_TCI_OP_JUMP) << 24) | DBC_TCI_TRUE;
-    ncrcurrent[1] = (u32) virt_to_bus (hostdata->script) +
-	hostdata->E_wait_reselect;
-    hostdata->reconnect_dsa_head = 0;
-    hostdata->addr_reconnect_dsa_head = (u32) 
-	virt_to_bus((void *) &(hostdata->reconnect_dsa_head));
-    hostdata->expecting_iid = 0;
-    hostdata->expecting_sto = 0;
-    if (hostdata->options & OPTION_ALWAYS_SYNCHRONOUS) 
-	hostdata->initiate_sdtr = 0xffff; 
-    else
-    	hostdata->initiate_sdtr = 0;
-    hostdata->talked_to = 0;
-    hostdata->idle = 1;
-}
-
-/* 
- * Function : static int clock_to_ccf_710 (int clock)
- *
- * Purpose :  Return the clock conversion factor for a given SCSI clock.
- *
- * Inputs : clock - SCSI clock expressed in Hz.
- *
- * Returns : ccf on success, -1 on failure.
- */
-
-static int 
-clock_to_ccf_710 (int clock) {
-    if (clock <= 16666666)
-	return -1;
-    if (clock <= 25000000)
-	return 2; 	/* Divide by 1.0 */
-    else if (clock <= 37500000)
-	return 1; 	/* Divide by 1.5 */
-    else if (clock <= 50000000)
-	return 0;	/* Divide by 2.0 */
-    else if (clock <= 66000000)
-	return 3;	/* Divide by 3.0 */
-    else 
-	return -1;
-}
-    
-/* 
- * Function : static int NCR53c7x0_init (struct Scsi_Host *host)
- *
- * Purpose :  initialize the internal structures for a given SCSI host
- *
- * Inputs : host - pointer to this host adapter's structure
- *
- * Preconditions : when this function is called, the chip_type 
- * 	field of the hostdata structure MUST have been set.
- *
- * Returns : 0 on success, -1 on failure.
- */
-
-int 
-NCR53c7x0_init (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    int i, ccf;
-    unsigned char revision;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    /* 
-     * There are some things which we need to know about in order to provide
-     * a semblance of support.  Print 'em if they aren't what we expect, 
-     * otherwise don't add to the noise.
-     * 
-     * -1 means we don't know what to expect.
-     */
-    int val, flags;
-    char buf[32];
-    int expected_id = -1;
-    int expected_clock = -1;
-    int uninitialized = 0;
-#ifdef NO_IO_SPACE
-    int expected_mapping = OPTION_MEMORY_MAPPED;
-#else
-    int expected_mapping = OPTION_IO_MAPPED;
-#endif
-    for (i=0;i<7;i++)
-	hostdata->valid_ids[i] = 1;	/* Default all ID's to scan */
-
-    /* Parse commandline flags */
-    if (check_setup_strings("noasync",&flags,&val,buf))
-    {
-	hostdata->options |= OPTION_NO_ASYNC;
-	hostdata->options &= ~(OPTION_SYNCHRONOUS | OPTION_ALWAYS_SYNCHRONOUS);
-    }
-
-    if (check_setup_strings("nosync",&flags,&val,buf))
-    {
-	hostdata->options &= ~(OPTION_SYNCHRONOUS | OPTION_ALWAYS_SYNCHRONOUS);
-    }
-
-    if (check_setup_strings("nodisconnect",&flags,&val,buf))
-	hostdata->options &= ~OPTION_DISCONNECT;
-
-    if (check_setup_strings("validids",&flags,&val,buf))
-    {
-	for (i=0;i<7;i++) 
-		hostdata->valid_ids[i] = val & (1<<i);
-    }
- 
-    if  ((i = check_setup_strings("next",&flags,&val,buf)))
-    {
-	while (i)
-		setup_used[--i] = 1;
-    }
-
-    if (check_setup_strings("opthi",&flags,&val,buf))
-	hostdata->options = (long long)val << 32;
-    if (check_setup_strings("optlo",&flags,&val,buf))
-	hostdata->options |= val;
-
-    NCR53c7x0_local_setup(host);
-    switch (hostdata->chip) {
-    case 710:
-    case 770:
-    	hostdata->dstat_sir_intr = NCR53c7x0_dstat_sir_intr;
-    	hostdata->init_save_regs = NULL;
-    	hostdata->dsa_fixup = NCR53c7xx_dsa_fixup;
-    	hostdata->init_fixup = NCR53c7x0_init_fixup;
-    	hostdata->soft_reset = NCR53c7x0_soft_reset;
-	hostdata->run_tests = NCR53c7xx_run_tests;
-	expected_clock = hostdata->scsi_clock;
-	expected_id = 7;
-    	break;
-    default:
-	printk ("scsi%d : chip type of %d is not supported yet, detaching.\n",
-	    host->host_no, hostdata->chip);
-	scsi_unregister (host);
-	return -1;
-    }
-
-    /* Assign constants accessed by NCR */
-    hostdata->NCR53c7xx_zero = 0;			
-    hostdata->NCR53c7xx_msg_reject = MESSAGE_REJECT;
-    hostdata->NCR53c7xx_msg_abort = ABORT;
-    hostdata->NCR53c7xx_msg_nop = NOP;
-    hostdata->NOP_insn = (DCMD_TYPE_TCI|DCMD_TCI_OP_JUMP) << 24;
-    if (expected_mapping == -1 || 
-	(hostdata->options & (OPTION_MEMORY_MAPPED)) != 
-	(expected_mapping & OPTION_MEMORY_MAPPED))
-	printk ("scsi%d : using %s mapped access\n", host->host_no, 
-	    (hostdata->options & OPTION_MEMORY_MAPPED) ? "memory" : 
-	    "io");
-
-    hostdata->dmode = (hostdata->chip == 700 || hostdata->chip == 70066) ? 
-	DMODE_REG_00 : DMODE_REG_10;
-    hostdata->istat = ((hostdata->chip / 100) == 8) ? 
-    	ISTAT_REG_800 : ISTAT_REG_700;
-
-/* We have to assume that this may be the first access to the chip, so
- * we must set EA in DCNTL. */
-
-    NCR53c7x0_write8 (DCNTL_REG, DCNTL_10_EA|DCNTL_10_COM);
-
-
-/* Only the ISTAT register is readable when the NCR is running, so make 
-   sure it's halted. */
-    ncr_halt(host);
-
-/* 
- * XXX - the NCR53c700 uses bitfielded registers for SCID, SDID, etc,
- *	as does the 710 with one bit per SCSI ID.  Conversely, the NCR
- * 	uses a normal, 3 bit binary representation of these values.
- *
- * Get the rest of the NCR documentation, and FIND OUT where the change
- * was.
- */
-
-#if 0
-	/* May not be able to do this - chip my not have been set up yet */
-	tmp = hostdata->this_id_mask = NCR53c7x0_read8(SCID_REG);
-	for (host->this_id = 0; tmp != 1; tmp >>=1, ++host->this_id);
-#else
-	host->this_id = 7;
-#endif
-
-/*
- * Note : we should never encounter a board setup for ID0.  So,
- * 	if we see ID0, assume that it was uninitialized and set it
- * 	to the industry standard 7.
- */
-    if (!host->this_id) {
-	printk("scsi%d : initiator ID was %d, changing to 7\n",
-	    host->host_no, host->this_id);
-	host->this_id = 7;
-	hostdata->this_id_mask = 1 << 7;
-	uninitialized = 1;
-    };
-
-    if (expected_id == -1 || host->this_id != expected_id)
-    	printk("scsi%d : using initiator ID %d\n", host->host_no,
-    	    host->this_id);
-
-    /*
-     * Save important registers to allow a soft reset.
-     */
-
-    /*
-     * CTEST7 controls cache snooping, burst mode, and support for 
-     * external differential drivers.  This isn't currently used - the
-     * default value may not be optimal anyway.
-     * Even worse, it may never have been set up since reset.
-     */
-    hostdata->saved_ctest7 = NCR53c7x0_read8(CTEST7_REG) & CTEST7_SAVE;
-    revision = (NCR53c7x0_read8(CTEST8_REG) & 0xF0) >> 4;
-    switch (revision) {
-	case 1: revision = 0;    break;
-	case 2: revision = 1;    break;
-	case 4: revision = 2;    break;
-	case 8: revision = 3;    break;
-	default: revision = 255; break;
-    }
-    printk("scsi%d: Revision 0x%x\n",host->host_no,revision);
-
-    if ((revision == 0 || revision == 255) && (hostdata->options & (OPTION_SYNCHRONOUS|OPTION_DISCONNECT|OPTION_ALWAYS_SYNCHRONOUS)))
-    {
-	printk ("scsi%d: Disabling sync working and disconnect/reselect\n",
-							host->host_no);
-	hostdata->options &= ~(OPTION_SYNCHRONOUS|OPTION_DISCONNECT|OPTION_ALWAYS_SYNCHRONOUS);
-    }
-
-    /*
-     * On NCR53c700 series chips, DCNTL controls the SCSI clock divisor,
-     * on 800 series chips, it allows for a totem-pole IRQ driver.
-     * NOTE saved_dcntl currently overwritten in init function.
-     * The value read here may be garbage anyway, MVME16x board at least
-     * does not initialise chip if kernel arrived via tftp.
-     */
-
-    hostdata->saved_dcntl = NCR53c7x0_read8(DCNTL_REG);
-
-    /*
-     * DMODE controls DMA burst length, and on 700 series chips,
-     * 286 mode and bus width  
-     * NOTE:  On MVME16x, chip may have been reset, so this could be a
-     * power-on/reset default value.
-     */
-    hostdata->saved_dmode = NCR53c7x0_read8(hostdata->dmode);
-
-    /* 
-     * Now that burst length and enabled/disabled status is known, 
-     * clue the user in on it.  
-     */
-   
-    ccf = clock_to_ccf_710 (expected_clock);
-
-    for (i = 0; i < 16; ++i) 
-	hostdata->cmd_allocated[i] = 0;
-
-    if (hostdata->init_save_regs)
-    	hostdata->init_save_regs (host);
-    if (hostdata->init_fixup)
-    	hostdata->init_fixup (host);
-
-    if (!the_template) {
-	the_template = host->hostt;
-	first_host = host;
-    }
-
-    /* 
-     * Linux SCSI drivers have always been plagued with initialization 
-     * problems - some didn't work with the BIOS disabled since they expected
-     * initialization from it, some didn't work when the networking code
-     * was enabled and registers got scrambled, etc.
-     *
-     * To avoid problems like this, in the future, we will do a soft 
-     * reset on the SCSI chip, taking it back to a sane state.
-     */
-
-    hostdata->soft_reset (host);
-
-#if 1
-    hostdata->debug_count_limit = -1;
-#else
-    hostdata->debug_count_limit = 1;
-#endif
-    hostdata->intrs = -1;
-    hostdata->resets = -1;
-    memcpy ((void *) hostdata->synchronous_want, (void *) sdtr_message, 
-	sizeof (hostdata->synchronous_want));
-
-    NCR53c7x0_driver_init (host);
-
-    if (request_irq(host->irq, NCR53c7x0_intr, IRQF_SHARED, "53c7xx", host))
-    {
-	printk("scsi%d : IRQ%d not free, detaching\n",
-		host->host_no, host->irq);
-	goto err_unregister;
-    } 
-
-    if ((hostdata->run_tests && hostdata->run_tests(host) == -1) ||
-        (hostdata->options & OPTION_DEBUG_TESTS_ONLY)) {
-    	/* XXX Should disable interrupts, etc. here */
-	goto err_free_irq;
-    } else {
-	if (host->io_port)  {
-	    host->n_io_port = 128;
-	    if (!request_region (host->io_port, host->n_io_port, "ncr53c7xx"))
-		goto err_free_irq;
-	}
-    }
-    
-    if (NCR53c7x0_read8 (SBCL_REG) & SBCL_BSY) {
-	printk ("scsi%d : bus wedge, doing SCSI reset\n", host->host_no);
-	hard_reset (host);
-    }
-    return 0;
-
- err_free_irq:
-    free_irq(host->irq,  NCR53c7x0_intr);
- err_unregister:
-    scsi_unregister(host);
-    return -1;
-}
-
-/* 
- * Function : int ncr53c7xx_init(struct scsi_host_template *tpnt, int board, int chip,
- *	unsigned long base, int io_port, int irq, int dma, long long options,
- *	int clock);
- *
- * Purpose : initializes a NCR53c7,8x0 based on base addresses,
- *	IRQ, and DMA channel.	
- *	
- * Inputs : tpnt - Template for this SCSI adapter, board - board level
- *	product, chip - 710
- * 
- * Returns : 0 on success, -1 on failure.
- *
- */
-
-int 
-ncr53c7xx_init (struct scsi_host_template *tpnt, int board, int chip,
-    unsigned long base, int io_port, int irq, int dma, 
-    long long options, int clock)
-{
-    struct Scsi_Host *instance;
-    struct NCR53c7x0_hostdata *hostdata;
-    char chip_str[80];
-    int script_len = 0, dsa_len = 0, size = 0, max_cmd_size = 0,
-	schedule_size = 0, ok = 0;
-    void *tmp;
-    unsigned long page;
-
-    switch (chip) {
-    case 710:
-    case 770:
-	schedule_size = (tpnt->can_queue + 1) * 8 /* JUMP instruction size */;
-	script_len = NCR53c7xx_script_len;
-    	dsa_len = NCR53c7xx_dsa_len;
-    	options |= OPTION_INTFLY;
-    	sprintf (chip_str, "NCR53c%d", chip);
-    	break;
-    default:
-    	printk("scsi-ncr53c7xx : unsupported SCSI chip %d\n", chip);
-    	return -1;
-    }
-
-    printk("scsi-ncr53c7xx : %s at memory 0x%lx, io 0x%x, irq %d",
-    	chip_str, base, io_port, irq);
-    if (dma == DMA_NONE)
-    	printk("\n");
-    else 
-    	printk(", dma %d\n", dma);
-
-    if (options & OPTION_DEBUG_PROBE_ONLY) {
-    	printk ("scsi-ncr53c7xx : probe only enabled, aborting initialization\n");
-    	return -1;
-    }
-
-    max_cmd_size = sizeof(struct NCR53c7x0_cmd) + dsa_len +
-    	/* Size of dynamic part of command structure : */
-	2 * /* Worst case : we don't know if we need DATA IN or DATA out */
-		( 2 * /* Current instructions per scatter/gather segment */ 
-        	  tpnt->sg_tablesize + 
-                  3 /* Current startup / termination required per phase */
-		) *
-	8 /* Each instruction is eight bytes */;
-
-    /* Allocate fixed part of hostdata, dynamic part to hold appropriate
-       SCSI SCRIPT(tm) plus a single, maximum-sized NCR53c7x0_cmd structure.
-
-       We need a NCR53c7x0_cmd structure for scan_scsis() when we are 
-       not loaded as a module, and when we're loaded as a module, we 
-       can't use a non-dynamically allocated structure because modules
-       are vmalloc()'d, which can allow structures to cross page 
-       boundaries and breaks our physical/virtual address assumptions
-       for DMA.
-
-       So, we stick it past the end of our hostdata structure.
-
-       ASSUMPTION : 
-       	 Regardless of how many simultaneous SCSI commands we allow,
-	 the probe code only executes a _single_ instruction at a time,
-	 so we only need one here, and don't need to allocate NCR53c7x0_cmd
-	 structures for each target until we are no longer in scan_scsis
-	 and kmalloc() has become functional (memory_init() happens 
-	 after all device driver initialization).
-    */
-
-    size = sizeof(struct NCR53c7x0_hostdata) + script_len + 
-    /* Note that alignment will be guaranteed, since we put the command
-       allocated at probe time after the fixed-up SCSI script, which 
-       consists of 32 bit words, aligned on a 32 bit boundary.  But
-       on a 64bit machine we need 8 byte alignment for hostdata->free, so
-       we add in another 4 bytes to take care of potential misalignment
-       */
-	(sizeof(void *) - sizeof(u32)) + max_cmd_size + schedule_size;
-
-    page = __get_free_pages(GFP_ATOMIC,1);
-    if(page==0)
-    {
-    	printk(KERN_ERR "53c7xx: out of memory.\n");
-    	return -ENOMEM;
-    }
-#ifdef FORCE_DSA_ALIGNMENT
-    /*
-     * 53c710 rev.0 doesn't have an add-with-carry instruction.
-     * Ensure we allocate enough memory to force DSA alignment.
-    */
-    size += 256;
-#endif
-    /* Size should be < 8K, so we can fit it in two pages. */
-    if (size > 8192) {
-      printk(KERN_ERR "53c7xx: hostdata > 8K\n");
-      return -1;
-    }
-
-    instance = scsi_register (tpnt, 4);
-    if (!instance)
-    {
-        free_page(page);
-	return -1;
-    }
-    instance->hostdata[0] = page;
-    memset((void *)instance->hostdata[0], 0, 8192);
-    cache_push(virt_to_phys((void *)(instance->hostdata[0])), 8192);
-    cache_clear(virt_to_phys((void *)(instance->hostdata[0])), 8192);
-    kernel_set_cachemode((void *)instance->hostdata[0], 8192, IOMAP_NOCACHE_SER);
-
-    /* FIXME : if we ever support an ISA NCR53c7xx based board, we
-       need to check if the chip is running in a 16 bit mode, and if so 
-       unregister it if it is past the 16M (0x1000000) mark */
-
-    hostdata = (struct NCR53c7x0_hostdata *)instance->hostdata[0];
-    hostdata->size = size;
-    hostdata->script_count = script_len / sizeof(u32);
-    hostdata->board = board;
-    hostdata->chip = chip;
-
-    /*
-     * Being memory mapped is more desirable, since 
-     *
-     * - Memory accesses may be faster.
-     *
-     * - The destination and source address spaces are the same for 
-     *	 all instructions, meaning we don't have to twiddle dmode or 
-     *	 any other registers.
-     *
-     * So, we try for memory mapped, and if we don't get it,
-     * we go for port mapped, and that failing we tell the user
-     * it can't work.
-     */
-
-    if (base) {
-	instance->base = base;
-	/* Check for forced I/O mapping */
-    	if (!(options & OPTION_IO_MAPPED)) {
-	    options |= OPTION_MEMORY_MAPPED;
-	    ok = 1;
-	}
-    } else {
-	options &= ~OPTION_MEMORY_MAPPED;
-    }
-
-    if (io_port) {
-	instance->io_port = io_port;
-	options |= OPTION_IO_MAPPED;
-	ok = 1;
-    } else {
-	options &= ~OPTION_IO_MAPPED;
-    }
-
-    if (!ok) {
-	printk ("scsi%d : not initializing, no I/O or memory mapping known \n",
-	    instance->host_no);
-	scsi_unregister (instance);
-	return -1;
-    }
-    instance->irq = irq;
-    instance->dma_channel = dma;
-
-    hostdata->options = options;
-    hostdata->dsa_len = dsa_len;
-    hostdata->max_cmd_size = max_cmd_size;
-    hostdata->num_cmds = 1;
-    hostdata->scsi_clock = clock;
-    /* Initialize single command */
-    tmp = (hostdata->script + hostdata->script_count);
-#ifdef FORCE_DSA_ALIGNMENT
-    {
-	void *t = ROUNDUP(tmp, void *);
-	if (((u32)t & 0xff) > CmdPageStart)
-	    t = (void *)((u32)t + 255);
-	t = (void *)(((u32)t & ~0xff) + CmdPageStart);
-        hostdata->free = t;
-#if 0
-	printk ("scsi: Registered size increased by 256 to %d\n", size);
-	printk ("scsi: CmdPageStart = 0x%02x\n", CmdPageStart);
-	printk ("scsi: tmp = 0x%08x, hostdata->free set to 0x%08x\n",
-			(u32)tmp, (u32)t);
-#endif
-    }
-#else
-    hostdata->free = ROUNDUP(tmp, void *);
-#endif
-    hostdata->free->real = tmp;
-    hostdata->free->size = max_cmd_size;
-    hostdata->free->free = NULL;
-    hostdata->free->next = NULL;
-    hostdata->extra_allocate = 0;
-
-    /* Allocate command start code space */
-    hostdata->schedule = (chip == 700 || chip == 70066) ?
-	NULL : (u32 *) ((char *)hostdata->free + max_cmd_size);
-
-/* 
- * For diagnostic purposes, we don't really care how fast things blaze.
- * For profiling, we want to access the 800ns resolution system clock,
- * using a 'C' call on the host processor.
- *
- * Therefore, there's no need for the NCR chip to directly manipulate
- * this data, and we should put it wherever is most convenient for 
- * Linux.
- */
-    if (track_events) 
-	hostdata->events = (struct NCR53c7x0_event *) (track_events ? 
-	    vmalloc (sizeof (struct NCR53c7x0_event) * track_events) : NULL);
-    else
-	hostdata->events = NULL;
-
-    if (hostdata->events) {
-	memset ((void *) hostdata->events, 0, sizeof(struct NCR53c7x0_event) *
-	    track_events);	
-	hostdata->event_size = track_events;
-	hostdata->event_index = 0;
-    } else 
-	hostdata->event_size = 0;
-
-    return NCR53c7x0_init(instance);
-}
-
-
-/* 
- * Function : static void NCR53c7x0_init_fixup (struct Scsi_Host *host)
- *
- * Purpose :  copy and fixup the SCSI SCRIPTS(tm) code for this device.
- *
- * Inputs : host - pointer to this host adapter's structure
- *
- */
-
-static void 
-NCR53c7x0_init_fixup (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    unsigned char tmp;
-    int i, ncr_to_memory, memory_to_ncr;
-    u32 base;
-    NCR53c7x0_local_setup(host);
-
-
-    /* XXX - NOTE : this code MUST be made endian aware */
-    /*  Copy code into buffer that was allocated at detection time.  */
-    memcpy ((void *) hostdata->script, (void *) SCRIPT, 
-	sizeof(SCRIPT));
-    /* Fixup labels */
-    for (i = 0; i < PATCHES; ++i) 
-	hostdata->script[LABELPATCHES[i]] += 
-    	    virt_to_bus(hostdata->script);
-    /* Fixup addresses of constants that used to be EXTERNAL */
-
-    patch_abs_32 (hostdata->script, 0, NCR53c7xx_msg_abort, 
-    	virt_to_bus(&(hostdata->NCR53c7xx_msg_abort)));
-    patch_abs_32 (hostdata->script, 0, NCR53c7xx_msg_reject, 
-    	virt_to_bus(&(hostdata->NCR53c7xx_msg_reject)));
-    patch_abs_32 (hostdata->script, 0, NCR53c7xx_zero, 
-    	virt_to_bus(&(hostdata->NCR53c7xx_zero)));
-    patch_abs_32 (hostdata->script, 0, NCR53c7xx_sink, 
-    	virt_to_bus(&(hostdata->NCR53c7xx_sink)));
-    patch_abs_32 (hostdata->script, 0, NOP_insn,
-	virt_to_bus(&(hostdata->NOP_insn)));
-    patch_abs_32 (hostdata->script, 0, schedule,
-	virt_to_bus((void *) hostdata->schedule));
-
-    /* Fixup references to external variables: */
-    for (i = 0; i < EXTERNAL_PATCHES_LEN; ++i)
-       hostdata->script[EXTERNAL_PATCHES[i].offset] +=
-         virt_to_bus(EXTERNAL_PATCHES[i].address);
-
-    /* 
-     * Fixup absolutes set at boot-time.
-     * 
-     * All non-code absolute variables suffixed with "dsa_" and "int_"
-     * are constants, and need no fixup provided the assembler has done 
-     * it for us (I don't know what the "real" NCR assembler does in 
-     * this case, my assembler does the right magic).
-     */
-
-    patch_abs_rwri_data (hostdata->script, 0, dsa_save_data_pointer, 
-    	Ent_dsa_code_save_data_pointer - Ent_dsa_zero);
-    patch_abs_rwri_data (hostdata->script, 0, dsa_restore_pointers,
-    	Ent_dsa_code_restore_pointers - Ent_dsa_zero);
-    patch_abs_rwri_data (hostdata->script, 0, dsa_check_reselect,
-    	Ent_dsa_code_check_reselect - Ent_dsa_zero);
-
-    /*
-     * Just for the hell of it, preserve the settings of 
-     * Burst Length and Enable Read Line bits from the DMODE 
-     * register.  Make sure SCRIPTS start automagically.
-     */
-
-#if defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000)
-    /* We know better what we want than 16xBug does! */
-    tmp = DMODE_10_BL_8 | DMODE_10_FC2;
-#else
-    tmp = NCR53c7x0_read8(DMODE_REG_10);
-    tmp &= (DMODE_BL_MASK | DMODE_10_FC2 | DMODE_10_FC1 | DMODE_710_PD |
-								DMODE_710_UO);
-#endif
-
-    if (!(hostdata->options & OPTION_MEMORY_MAPPED)) {
-    	base = (u32) host->io_port;
-    	memory_to_ncr = tmp|DMODE_800_DIOM;
-    	ncr_to_memory = tmp|DMODE_800_SIOM;
-    } else {
-    	base = virt_to_bus((void *)host->base);
-	memory_to_ncr = ncr_to_memory = tmp;
-    }
-
-    /* SCRATCHB_REG_10 == SCRATCHA_REG_800, as it happens */
-    patch_abs_32 (hostdata->script, 0, addr_scratch, base + SCRATCHA_REG_800);
-    patch_abs_32 (hostdata->script, 0, addr_temp, base + TEMP_REG);
-    patch_abs_32 (hostdata->script, 0, addr_dsa, base + DSA_REG);
-
-    /*
-     * I needed some variables in the script to be accessible to 
-     * both the NCR chip and the host processor. For these variables,
-     * I made the arbitrary decision to store them directly in the 
-     * hostdata structure rather than in the RELATIVE area of the 
-     * SCRIPTS.
-     */
-    
-
-    patch_abs_rwri_data (hostdata->script, 0, dmode_memory_to_memory, tmp);
-    patch_abs_rwri_data (hostdata->script, 0, dmode_memory_to_ncr, memory_to_ncr);
-    patch_abs_rwri_data (hostdata->script, 0, dmode_ncr_to_memory, ncr_to_memory);
-
-    patch_abs_32 (hostdata->script, 0, msg_buf, 
-	virt_to_bus((void *)&(hostdata->msg_buf)));
-    patch_abs_32 (hostdata->script, 0, reconnect_dsa_head, 
-    	virt_to_bus((void *)&(hostdata->reconnect_dsa_head)));
-    patch_abs_32 (hostdata->script, 0, addr_reconnect_dsa_head, 
-	virt_to_bus((void *)&(hostdata->addr_reconnect_dsa_head)));
-    patch_abs_32 (hostdata->script, 0, reselected_identify, 
-    	virt_to_bus((void *)&(hostdata->reselected_identify)));
-/* reselected_tag is currently unused */
-#if 0
-    patch_abs_32 (hostdata->script, 0, reselected_tag, 
-    	virt_to_bus((void *)&(hostdata->reselected_tag)));
-#endif
-
-    patch_abs_32 (hostdata->script, 0, test_dest, 
-	virt_to_bus((void*)&hostdata->test_dest));
-    patch_abs_32 (hostdata->script, 0, test_src, 
-	virt_to_bus(&hostdata->test_source));
-    patch_abs_32 (hostdata->script, 0, saved_dsa,
-	virt_to_bus((void *)&hostdata->saved2_dsa));
-    patch_abs_32 (hostdata->script, 0, emulfly,
-	virt_to_bus((void *)&hostdata->emulated_intfly));
-
-    patch_abs_rwri_data (hostdata->script, 0, dsa_check_reselect, 
-	(unsigned char)(Ent_dsa_code_check_reselect - Ent_dsa_zero));
-
-/* These are for event logging; the ncr_event enum contains the 
-   actual interrupt numbers. */
-#ifdef A_int_EVENT_SELECT
-   patch_abs_32 (hostdata->script, 0, int_EVENT_SELECT, (u32) EVENT_SELECT);
-#endif
-#ifdef A_int_EVENT_DISCONNECT
-   patch_abs_32 (hostdata->script, 0, int_EVENT_DISCONNECT, (u32) EVENT_DISCONNECT);
-#endif
-#ifdef A_int_EVENT_RESELECT
-   patch_abs_32 (hostdata->script, 0, int_EVENT_RESELECT, (u32) EVENT_RESELECT);
-#endif
-#ifdef A_int_EVENT_COMPLETE
-   patch_abs_32 (hostdata->script, 0, int_EVENT_COMPLETE, (u32) EVENT_COMPLETE);
-#endif
-#ifdef A_int_EVENT_IDLE
-   patch_abs_32 (hostdata->script, 0, int_EVENT_IDLE, (u32) EVENT_IDLE);
-#endif
-#ifdef A_int_EVENT_SELECT_FAILED
-   patch_abs_32 (hostdata->script, 0, int_EVENT_SELECT_FAILED, 
-	(u32) EVENT_SELECT_FAILED);
-#endif
-#ifdef A_int_EVENT_BEFORE_SELECT
-   patch_abs_32 (hostdata->script, 0, int_EVENT_BEFORE_SELECT,
-	(u32) EVENT_BEFORE_SELECT);
-#endif
-#ifdef A_int_EVENT_RESELECT_FAILED
-   patch_abs_32 (hostdata->script, 0, int_EVENT_RESELECT_FAILED, 
-	(u32) EVENT_RESELECT_FAILED);
-#endif
-
-    /*
-     * Make sure the NCR and Linux code agree on the location of 
-     * certain fields.
-     */
-
-    hostdata->E_accept_message = Ent_accept_message;
-    hostdata->E_command_complete = Ent_command_complete;		
-    hostdata->E_cmdout_cmdout = Ent_cmdout_cmdout;
-    hostdata->E_data_transfer = Ent_data_transfer;
-    hostdata->E_debug_break = Ent_debug_break;	
-    hostdata->E_dsa_code_template = Ent_dsa_code_template;
-    hostdata->E_dsa_code_template_end = Ent_dsa_code_template_end;
-    hostdata->E_end_data_transfer = Ent_end_data_transfer;
-    hostdata->E_initiator_abort = Ent_initiator_abort;
-    hostdata->E_msg_in = Ent_msg_in;
-    hostdata->E_other_transfer = Ent_other_transfer;
-    hostdata->E_other_in = Ent_other_in;
-    hostdata->E_other_out = Ent_other_out;
-    hostdata->E_reject_message = Ent_reject_message;
-    hostdata->E_respond_message = Ent_respond_message;
-    hostdata->E_select = Ent_select;
-    hostdata->E_select_msgout = Ent_select_msgout;
-    hostdata->E_target_abort = Ent_target_abort;
-#ifdef Ent_test_0
-    hostdata->E_test_0 = Ent_test_0;
-#endif
-    hostdata->E_test_1 = Ent_test_1;
-    hostdata->E_test_2 = Ent_test_2;
-#ifdef Ent_test_3
-    hostdata->E_test_3 = Ent_test_3;
-#endif
-    hostdata->E_wait_reselect = Ent_wait_reselect;
-    hostdata->E_dsa_code_begin = Ent_dsa_code_begin;
-
-    hostdata->dsa_cmdout = A_dsa_cmdout;
-    hostdata->dsa_cmnd = A_dsa_cmnd;
-    hostdata->dsa_datain = A_dsa_datain;
-    hostdata->dsa_dataout = A_dsa_dataout;
-    hostdata->dsa_end = A_dsa_end;			
-    hostdata->dsa_msgin = A_dsa_msgin;
-    hostdata->dsa_msgout = A_dsa_msgout;
-    hostdata->dsa_msgout_other = A_dsa_msgout_other;
-    hostdata->dsa_next = A_dsa_next;
-    hostdata->dsa_select = A_dsa_select;
-    hostdata->dsa_start = Ent_dsa_code_template - Ent_dsa_zero;
-    hostdata->dsa_status = A_dsa_status;
-    hostdata->dsa_jump_dest = Ent_dsa_code_fix_jump - Ent_dsa_zero + 
-	8 /* destination operand */;
-
-    /* sanity check */
-    if (A_dsa_fields_start != Ent_dsa_code_template_end - 
-    	Ent_dsa_zero) 
-    	printk("scsi%d : NCR dsa_fields start is %d not %d\n",
-    	    host->host_no, A_dsa_fields_start, Ent_dsa_code_template_end - 
-    	    Ent_dsa_zero);
-
-    printk("scsi%d : NCR code relocated to 0x%lx (virt 0x%p)\n", host->host_no,
-	virt_to_bus(hostdata->script), hostdata->script);
-}
-
-/*
- * Function : static int NCR53c7xx_run_tests (struct Scsi_Host *host)
- *
- * Purpose : run various verification tests on the NCR chip, 
- *	including interrupt generation, and proper bus mastering
- * 	operation.
- * 
- * Inputs : host - a properly initialized Scsi_Host structure
- *
- * Preconditions : the NCR chip must be in a halted state.
- *
- * Returns : 0 if all tests were successful, -1 on error.
- * 
- */
-
-static int 
-NCR53c7xx_run_tests (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    unsigned long timeout;
-    u32 start;
-    int failed, i;
-    unsigned long flags;
-    NCR53c7x0_local_setup(host);
-
-    /* The NCR chip _must_ be idle to run the test scripts */
-
-    local_irq_save(flags);
-    if (!hostdata->idle) {
-	printk ("scsi%d : chip not idle, aborting tests\n", host->host_no);
-	local_irq_restore(flags);
-	return -1;
-    }
-
-    /* 
-     * Check for functional interrupts, this could work as an
-     * autoprobe routine.
-     */
-
-    if ((hostdata->options & OPTION_DEBUG_TEST1) && 
-	    hostdata->state != STATE_DISABLED) {
-	hostdata->idle = 0;
-	hostdata->test_running = 1;
-	hostdata->test_completed = -1;
-	hostdata->test_dest = 0;
-	hostdata->test_source = 0xdeadbeef;
-	start = virt_to_bus (hostdata->script) + hostdata->E_test_1;
-    	hostdata->state = STATE_RUNNING;
-	printk ("scsi%d : test 1", host->host_no);
-	NCR53c7x0_write32 (DSP_REG, start);
-	if (hostdata->options & OPTION_DEBUG_TRACE)
-	    NCR53c7x0_write8 (DCNTL_REG, hostdata->saved_dcntl | DCNTL_SSM |
-						DCNTL_STD);
-	printk (" started\n");
-	local_irq_restore(flags);
-
-	/* 
-	 * This is currently a .5 second timeout, since (in theory) no slow 
-	 * board will take that long.  In practice, we've seen one 
-	 * pentium which occassionally fails with this, but works with 
-	 * 10 times as much?
-	 */
-
-	timeout = jiffies + 5 * HZ / 10;
-	while ((hostdata->test_completed == -1) && time_before(jiffies, timeout))
-		barrier();
-
-	failed = 1;
-	if (hostdata->test_completed == -1)
-	    printk ("scsi%d : driver test 1 timed out%s\n",host->host_no ,
-		(hostdata->test_dest == 0xdeadbeef) ? 
-		    " due to lost interrupt.\n"
-		    "         Please verify that the correct IRQ is being used for your board,\n"
-		    : "");
-	else if (hostdata->test_completed != 1) 
-	    printk ("scsi%d : test 1 bad interrupt value (%d)\n", 
-		host->host_no, hostdata->test_completed);
-	else 
-	    failed = (hostdata->test_dest != 0xdeadbeef);
-
-	if (hostdata->test_dest != 0xdeadbeef) {
-	    printk ("scsi%d : driver test 1 read 0x%x instead of 0xdeadbeef indicating a\n"
-                    "         probable cache invalidation problem.  Please configure caching\n"
-		    "         as write-through or disabled\n",
-		host->host_no, hostdata->test_dest);
-	}
-
-	if (failed) {
-	    printk ("scsi%d : DSP = 0x%p (script at 0x%p, start at 0x%x)\n",
-		host->host_no, bus_to_virt(NCR53c7x0_read32(DSP_REG)),
-		hostdata->script, start);
-	    printk ("scsi%d : DSPS = 0x%x\n", host->host_no,
-		NCR53c7x0_read32(DSPS_REG));
-	    local_irq_restore(flags);
-	    return -1;
-	}
-    	hostdata->test_running = 0;
-    }
-
-    if ((hostdata->options & OPTION_DEBUG_TEST2) && 
-	hostdata->state != STATE_DISABLED) {
-	u32 dsa[48];
-    	unsigned char identify = IDENTIFY(0, 0);
-	unsigned char cmd[6];
-	unsigned char data[36];
-    	unsigned char status = 0xff;
-    	unsigned char msg = 0xff;
-
-    	cmd[0] = INQUIRY;
-    	cmd[1] = cmd[2] = cmd[3] = cmd[5] = 0;
-    	cmd[4] = sizeof(data); 
-
-    	dsa[2] = 1;
-    	dsa[3] = virt_to_bus(&identify);
-    	dsa[4] = 6;
-    	dsa[5] = virt_to_bus(&cmd);
-    	dsa[6] = sizeof(data);
-    	dsa[7] = virt_to_bus(&data);
-    	dsa[8] = 1;
-    	dsa[9] = virt_to_bus(&status);
-    	dsa[10] = 1;
-    	dsa[11] = virt_to_bus(&msg);
-
-	for (i = 0; i < 6; ++i) {
-#ifdef VALID_IDS
-	    if (!hostdata->valid_ids[i])
-		continue;
-#endif
-	    local_irq_disable();
-	    if (!hostdata->idle) {
-		printk ("scsi%d : chip not idle, aborting tests\n", host->host_no);
-		local_irq_restore(flags);
-		return -1;
-	    }
-
-	    /* 710: bit mapped scsi ID, async   */
-            dsa[0] = (1 << i) << 16;
-	    hostdata->idle = 0;
-	    hostdata->test_running = 2;
-	    hostdata->test_completed = -1;
-	    start = virt_to_bus(hostdata->script) + hostdata->E_test_2;
-	    hostdata->state = STATE_RUNNING;
-	    NCR53c7x0_write32 (DSA_REG, virt_to_bus(dsa));
-	    NCR53c7x0_write32 (DSP_REG, start);
-	    if (hostdata->options & OPTION_DEBUG_TRACE)
-	        NCR53c7x0_write8 (DCNTL_REG, hostdata->saved_dcntl |
-				DCNTL_SSM | DCNTL_STD);
-	    local_irq_restore(flags);
-
-	    timeout = jiffies + 5 * HZ;	/* arbitrary */
-	    while ((hostdata->test_completed == -1) && time_before(jiffies, timeout))
-	    	barrier();
-
-	    NCR53c7x0_write32 (DSA_REG, 0);
-
-	    if (hostdata->test_completed == 2) {
-		data[35] = 0;
-		printk ("scsi%d : test 2 INQUIRY to target %d, lun 0 : %s\n",
-		    host->host_no, i, data + 8);
-		printk ("scsi%d : status ", host->host_no);
-		scsi_print_status (status);
-		printk ("\nscsi%d : message ", host->host_no);
-		spi_print_msg(&msg);
-		printk ("\n");
-	    } else if (hostdata->test_completed == 3) {
-		printk("scsi%d : test 2 no connection with target %d\n",
-		    host->host_no, i);
-		if (!hostdata->idle) {
-		    printk("scsi%d : not idle\n", host->host_no);
-		    local_irq_restore(flags);
-		    return -1;
-		}
-	    } else if (hostdata->test_completed == -1) {
-		printk ("scsi%d : test 2 timed out\n", host->host_no);
-		local_irq_restore(flags);
-		return -1;
-	    } 
-	    hostdata->test_running = 0;
-	}
-    }
-
-    local_irq_restore(flags);
-    return 0;
-}
-
-/*
- * Function : static void NCR53c7xx_dsa_fixup (struct NCR53c7x0_cmd *cmd)
- *
- * Purpose : copy the NCR53c8xx dsa structure into cmd's dsa buffer,
- * 	performing all necessary relocation.
- *
- * Inputs : cmd, a NCR53c7x0_cmd structure with a dsa area large
- *	enough to hold the NCR53c8xx dsa.
- */
-
-static void 
-NCR53c7xx_dsa_fixup (struct NCR53c7x0_cmd *cmd) {
-    Scsi_Cmnd *c = cmd->cmd;
-    struct Scsi_Host *host = c->device->host;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-    	host->hostdata[0];
-    int i;
-
-    memcpy (cmd->dsa, hostdata->script + (hostdata->E_dsa_code_template / 4),
-    	hostdata->E_dsa_code_template_end - hostdata->E_dsa_code_template);
-
-    /* 
-     * Note : within the NCR 'C' code, dsa points to the _start_
-     * of the DSA structure, and _not_ the offset of dsa_zero within
-     * that structure used to facilitate shorter signed offsets
-     * for the 8 bit ALU.
-     * 
-     * The implications of this are that 
-     * 
-     * - 32 bit A_dsa_* absolute values require an additional 
-     * 	 dsa_zero added to their value to be correct, since they are 
-     *   relative to dsa_zero which is in essentially a separate
-     *   space from the code symbols.
-     *
-     * - All other symbols require no special treatment.
-     */
-
-    patch_abs_tci_data (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-    	dsa_temp_lun, c->device->lun);
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-	dsa_temp_addr_next, virt_to_bus(&cmd->dsa_next_addr));
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-    	dsa_temp_next, virt_to_bus(cmd->dsa) + Ent_dsa_zero -
-	Ent_dsa_code_template + A_dsa_next);
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32), 
-    	dsa_temp_sync, virt_to_bus((void *)hostdata->sync[c->device->id].script));
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32), 
-    	dsa_sscf_710, virt_to_bus((void *)&hostdata->sync[c->device->id].sscf_710));
-    patch_abs_tci_data (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-    	    dsa_temp_target, 1 << c->device->id);
-    /* XXX - new pointer stuff */
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-    	dsa_temp_addr_saved_pointer, virt_to_bus(&cmd->saved_data_pointer));
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-    	dsa_temp_addr_saved_residual, virt_to_bus(&cmd->saved_residual));
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-    	dsa_temp_addr_residual, virt_to_bus(&cmd->residual));
-
-    /*  XXX - new start stuff */
-
-    patch_abs_32 (cmd->dsa, Ent_dsa_code_template / sizeof(u32),
-	dsa_temp_addr_dsa_value, virt_to_bus(&cmd->dsa_addr));
-}
-
-/* 
- * Function : run_process_issue_queue (void)
- * 
- * Purpose : insure that the coroutine is running and will process our 
- * 	request.  process_issue_queue_running is checked/set here (in an 
- *	inline function) rather than in process_issue_queue itself to reduce 
- * 	the chances of stack overflow.
- *
- */
-
-static volatile int process_issue_queue_running = 0;
-
-static __inline__ void 
-run_process_issue_queue(void) {
-    unsigned long flags;
-    local_irq_save(flags);
-    if (!process_issue_queue_running) {
-	process_issue_queue_running = 1;
-        process_issue_queue(flags);
-	/* 
-         * process_issue_queue_running is cleared in process_issue_queue 
-	 * once it can't do more work, and process_issue_queue exits with 
-	 * interrupts disabled.
-	 */
-    }
-    local_irq_restore(flags);
-}
-
-/*
- * Function : static void abnormal_finished (struct NCR53c7x0_cmd *cmd, int
- *	result)
- *
- * Purpose : mark SCSI command as finished, OR'ing the host portion 
- *	of the result word into the result field of the corresponding
- *	Scsi_Cmnd structure, and removing it from the internal queues.
- *
- * Inputs : cmd - command, result - entire result field
- *
- * Preconditions : the 	NCR chip should be in a halted state when 
- *	abnormal_finished is run, since it modifies structures which
- *	the NCR expects to have exclusive access to.
- */
-
-static void 
-abnormal_finished (struct NCR53c7x0_cmd *cmd, int result) {
-    Scsi_Cmnd *c = cmd->cmd;
-    struct Scsi_Host *host = c->device->host;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-    	host->hostdata[0];
-    unsigned long flags;
-    int left, found;
-    volatile struct NCR53c7x0_cmd * linux_search;
-    volatile struct NCR53c7x0_cmd * volatile *linux_prev;
-    volatile u32 *ncr_prev, *ncrcurrent, ncr_search;
-
-#if 0
-    printk ("scsi%d: abnormal finished\n", host->host_no);
-#endif
-
-    local_irq_save(flags);
-    found = 0;
-    /* 
-     * Traverse the NCR issue array until we find a match or run out 
-     * of instructions.  Instructions in the NCR issue array are 
-     * either JUMP or NOP instructions, which are 2 words in length.
-     */
-
-
-    for (found = 0, left = host->can_queue, ncrcurrent = hostdata->schedule; 
-	left > 0; --left, ncrcurrent += 2)
-    {
-	if (issue_to_cmd (host, hostdata, (u32 *) ncrcurrent) == cmd) 
-	{
-	    ncrcurrent[0] = hostdata->NOP_insn;
-	    ncrcurrent[1] = 0xdeadbeef;
-	    ++found;
-	    break;
-	}
-    }
-	
-    /* 
-     * Traverse the NCR reconnect list of DSA structures until we find 
-     * a pointer to this dsa or have found too many command structures.  
-     * We let prev point at the next field of the previous element or 
-     * head of the list, so we don't do anything different for removing 
-     * the head element.  
-     */
-
-    for (left = host->can_queue,
-	    ncr_search = hostdata->reconnect_dsa_head, 
-	    ncr_prev = &hostdata->reconnect_dsa_head;
-	left >= 0 && ncr_search && 
-	    ((char*)bus_to_virt(ncr_search) + hostdata->dsa_start) 
-		!= (char *) cmd->dsa;
-	ncr_prev = (u32*) ((char*)bus_to_virt(ncr_search) + 
-	    hostdata->dsa_next), ncr_search = *ncr_prev, --left);
-
-    if (left < 0) 
-	printk("scsi%d: loop detected in ncr reconncect list\n",
-	    host->host_no);
-    else if (ncr_search) {
-	if (found)
-	    printk("scsi%d: scsi %ld in ncr issue array and reconnect lists\n",
-		host->host_no, c->pid);
-	else {
-	    volatile u32 * next = (u32 *) 
-	    	((char *)bus_to_virt(ncr_search) + hostdata->dsa_next);
-	    *ncr_prev = *next;
-/* If we're at the tail end of the issue queue, update that pointer too. */
-	    found = 1;
-	}
-    }
-
-    /*
-     * Traverse the host running list until we find this command or discover
-     * we have too many elements, pointing linux_prev at the next field of the 
-     * linux_previous element or head of the list, search at this element.
-     */
-
-    for (left = host->can_queue, linux_search = hostdata->running_list, 
-	    linux_prev = &hostdata->running_list;
-	left >= 0 && linux_search && linux_search != cmd;
-	linux_prev = &(linux_search->next), 
-	    linux_search = linux_search->next, --left);
-    
-    if (left < 0) 
-	printk ("scsi%d: loop detected in host running list for scsi pid %ld\n",
-	    host->host_no, c->pid);
-    else if (linux_search) {
-	*linux_prev = linux_search->next;
-	--hostdata->busy[c->device->id][c->device->lun];
-    }
-
-    /* Return the NCR command structure to the free list */
-    cmd->next = hostdata->free;
-    hostdata->free = cmd;
-    c->host_scribble = NULL;
-
-    /* And return */
-    c->result = result;
-    c->scsi_done(c);
-
-    local_irq_restore(flags);
-    run_process_issue_queue();
-}
-
-/* 
- * Function : static void intr_break (struct Scsi_Host *host,
- * 	struct NCR53c7x0_cmd *cmd)
- *
- * Purpose :  Handler for breakpoint interrupts from a SCSI script
- *
- * Inputs : host - pointer to this host adapter's structure,
- * 	cmd - pointer to the command (if any) dsa was pointing 
- * 	to.
- *
- */
-
-static void 
-intr_break (struct Scsi_Host *host, struct 
-    NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_break *bp;
-#if 0
-    Scsi_Cmnd *c = cmd ? cmd->cmd : NULL;
-#endif
-    u32 *dsp;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];		
-    unsigned long flags;
-    NCR53c7x0_local_setup(host);
-
-    /*
-     * Find the break point corresponding to this address, and 
-     * dump the appropriate debugging information to standard 
-     * output.  
-     */
-    local_irq_save(flags);
-    dsp = (u32 *) bus_to_virt(NCR53c7x0_read32(DSP_REG));
-    for (bp = hostdata->breakpoints; bp && bp->address != dsp; 
-    	bp = bp->next);
-    if (!bp) 
-    	panic("scsi%d : break point interrupt from %p with no breakpoint!",
-    	    host->host_no, dsp);
-
-    /*
-     * Configure the NCR chip for manual start mode, so that we can 
-     * point the DSP register at the instruction that follows the 
-     * INT int_debug_break instruction.
-     */
-
-    NCR53c7x0_write8 (hostdata->dmode, 
-	NCR53c7x0_read8(hostdata->dmode)|DMODE_MAN);
-
-    /*
-     * And update the DSP register, using the size of the old 
-     * instruction in bytes.
-     */
-
-    local_irq_restore(flags);
-}
-/*
- * Function : static void print_synchronous (const char *prefix, 
- *	const unsigned char *msg)
- * 
- * Purpose : print a pretty, user and machine parsable representation
- *	of a SDTR message, including the "real" parameters, data
- *	clock so we can tell transfer rate at a glance.
- *
- * Inputs ; prefix - text to prepend, msg - SDTR message (5 bytes)
- */
-
-static void
-print_synchronous (const char *prefix, const unsigned char *msg) {
-    if (msg[4]) {
-	int Hz = 1000000000 / (msg[3] * 4);
-	int integer = Hz / 1000000;
-	int fraction = (Hz - (integer * 1000000)) / 10000;
-	printk ("%speriod %dns offset %d %d.%02dMHz %s SCSI%s\n",
-	    prefix, (int) msg[3] * 4, (int) msg[4], integer, fraction,
-	    (((msg[3] * 4) < 200) ? "FAST" : "synchronous"),
-	    (((msg[3] * 4) < 200) ? "-II" : ""));
-    } else 
-	printk ("%sasynchronous SCSI\n", prefix);
-}
-
-/*
- * Function : static void set_synchronous (struct Scsi_Host *host, 
- *	 	int target, int sxfer, int scntl3, int now_connected)
- *
- * Purpose : reprogram transfers between the selected SCSI initiator and 
- *	target with the given register values; in the indirect
- *	select operand, reselection script, and chip registers.
- *
- * Inputs : host - NCR53c7,8xx SCSI host, target - number SCSI target id,
- *	sxfer and scntl3 - NCR registers. now_connected - if non-zero, 
- *	we should reprogram the registers now too.
- *
- *      NOTE:  For 53c710, scntl3 is actually used for SCF bits from
- *	SBCL, as we don't have a SCNTL3.
- */
-
-static void
-set_synchronous (struct Scsi_Host *host, int target, int sxfer, int scntl3,
-    int now_connected) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *) 
-	host->hostdata[0];
-    u32 *script;
-    NCR53c7x0_local_setup(host);
-
-    /* These are eight bit registers */
-    sxfer &= 0xff;
-    scntl3 &= 0xff;
-
-    hostdata->sync[target].sxfer_sanity = sxfer;
-    hostdata->sync[target].scntl3_sanity = scntl3;
-
-/* 
- * HARD CODED : synchronous script is EIGHT words long.  This 
- * must agree with 53c7.8xx.h
- */
-
-    if ((hostdata->chip != 700) && (hostdata->chip != 70066)) {
-	hostdata->sync[target].select_indirect = (1 << target) << 16 |
-		(sxfer << 8);
-	hostdata->sync[target].sscf_710 = scntl3;
-
-	script = (u32 *) hostdata->sync[target].script;
-
-	/* XXX - add NCR53c7x0 code to reprogram SCF bits if we want to */
-	script[0] = ((DCMD_TYPE_RWRI | DCMD_RWRI_OPC_MODIFY |
-		DCMD_RWRI_OP_MOVE) << 24) |
-		(SBCL_REG << 16) | (scntl3 << 8);
-	script[1] = 0;
-	script += 2;
-
-	script[0] = ((DCMD_TYPE_RWRI | DCMD_RWRI_OPC_MODIFY |
-	    DCMD_RWRI_OP_MOVE) << 24) |
-		(SXFER_REG << 16) | (sxfer << 8);
-	script[1] = 0;
-	script += 2;
-
-#ifdef DEBUG_SYNC_INTR
-	if (hostdata->options & OPTION_DEBUG_DISCONNECT) {
-	    script[0] = ((DCMD_TYPE_TCI|DCMD_TCI_OP_INT) << 24) | DBC_TCI_TRUE;
-	    script[1] = DEBUG_SYNC_INTR;
-	    script += 2;
-	}
-#endif
-
-	script[0] = ((DCMD_TYPE_TCI|DCMD_TCI_OP_RETURN) << 24) | DBC_TCI_TRUE;
-	script[1] = 0;
-	script += 2;
-    }
-
-    if (hostdata->options & OPTION_DEBUG_SYNCHRONOUS) 
-	printk ("scsi%d : target %d sync parameters are sxfer=0x%x, scntl3=0x%x\n",
-	host->host_no, target, sxfer, scntl3);
-
-    if (now_connected) {
-	NCR53c7x0_write8(SBCL_REG, scntl3);
-	NCR53c7x0_write8(SXFER_REG, sxfer);
-    }
-}
-
-
-/*
- * Function : static int asynchronous (struct Scsi_Host *host, int target)
- *
- * Purpose : reprogram between the selected SCSI Host adapter and target 
- *      (assumed to be currently connected) for asynchronous transfers.
- *
- * Inputs : host - SCSI host structure, target - numeric target ID.
- *
- * Preconditions : the NCR chip should be in one of the halted states
- */
-    
-static void
-asynchronous (struct Scsi_Host *host, int target) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    NCR53c7x0_local_setup(host);
-    set_synchronous (host, target, /* no offset */ 0, hostdata->saved_scntl3,
-	1);
-    printk ("scsi%d : setting target %d to asynchronous SCSI\n",
-	host->host_no, target);
-}
-
-/* 
- * XXX - do we want to go out of our way (ie, add extra code to selection
- * 	in the NCR53c710/NCR53c720 script) to reprogram the synchronous
- * 	conversion bits, or can we be content in just setting the 
- * 	sxfer bits?  I chose to do so [richard@sleepie.demon.co.uk]
- */
-
-/* Table for NCR53c8xx synchronous values */
-
-/* This table is also correct for 710, allowing that scf=4 is equivalent
- * of SSCF=0 (ie use DCNTL, divide by 3) for a 50.01-66.00MHz clock.
- * For any other clock values, we cannot use entries with SCF values of
- * 4.  I guess that for a 66MHz clock, the slowest it will set is 2MHz,
- * and for a 50MHz clock, the slowest will be 2.27Mhz.  Should check
- * that a device doesn't try and negotiate sync below these limits!
- */
- 
-static const struct {
-    int div;		/* Total clock divisor * 10 */
-    unsigned char scf;	/* */
-    unsigned char tp;	/* 4 + tp = xferp divisor */
-} syncs[] = {
-/*	div	scf	tp	div	scf	tp	div	scf	tp */
-    {	40,	1,	0}, {	50,	1,	1}, {	60,	1,	2}, 
-    {	70,	1,	3}, {	75,	2,	1}, {	80,	1,	4},
-    {	90,	1,	5}, {	100,	1,	6}, {	105,	2,	3},
-    {	110,	1,	7}, {	120,	2,	4}, {	135,	2,	5},
-    {	140,	3,	3}, {	150,	2,	6}, {	160,	3,	4},
-    {	165,	2,	7}, {	180,	3,	5}, {	200,	3,	6},
-    {	210,	4,	3}, {	220,	3,	7}, {	240,	4,	4},
-    {	270,	4,	5}, {	300,	4,	6}, {	330,	4,	7}
-};
-
-/*
- * Function : static void synchronous (struct Scsi_Host *host, int target, 
- *	char *msg)
- *
- * Purpose : reprogram transfers between the selected SCSI initiator and 
- *	target for synchronous SCSI transfers such that the synchronous 
- *	offset is less than that requested and period at least as long 
- *	as that requested.  Also modify *msg such that it contains 
- *	an appropriate response. 
- *
- * Inputs : host - NCR53c7,8xx SCSI host, target - number SCSI target id,
- *	msg - synchronous transfer request.
- */
-
-
-static void
-synchronous (struct Scsi_Host *host, int target, char *msg) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    int desire, divisor, i, limit;
-    unsigned char scntl3, sxfer;
-/* The diagnostic message fits on one line, even with max. width integers */
-    char buf[80];
-
-/* Desired transfer clock in Hz */
-    desire = 1000000000L / (msg[3] * 4);
-/* Scale the available SCSI clock by 10 so we get tenths */
-    divisor = (hostdata->scsi_clock * 10) / desire;
-
-/* NCR chips can handle at most an offset of 8 */
-    if (msg[4] > 8)
-	msg[4] = 8;
-
-    if (hostdata->options & OPTION_DEBUG_SDTR)
-    	printk("scsi%d : optimal synchronous divisor of %d.%01d\n",
-	    host->host_no, divisor / 10, divisor % 10);
-
-    limit = ARRAY_SIZE(syncs) - 1;
-    for (i = 0; (i < limit) && (divisor > syncs[i].div); ++i);
-
-    if (hostdata->options & OPTION_DEBUG_SDTR)
-    	printk("scsi%d : selected synchronous divisor of %d.%01d\n",
-	    host->host_no, syncs[i].div / 10, syncs[i].div % 10);
-
-    msg[3] = ((1000000000L / hostdata->scsi_clock) * syncs[i].div / 10 / 4);
-
-    if (hostdata->options & OPTION_DEBUG_SDTR)
-    	printk("scsi%d : selected synchronous period of %dns\n", host->host_no,
-	    msg[3] * 4);
-
-    scntl3 = syncs[i].scf;
-    sxfer = (msg[4] << SXFER_MO_SHIFT) | (syncs[i].tp << 4);
-    if (hostdata->options & OPTION_DEBUG_SDTR)
-    	printk ("scsi%d : sxfer=0x%x scntl3=0x%x\n", 
-	    host->host_no, (int) sxfer, (int) scntl3);
-    set_synchronous (host, target, sxfer, scntl3, 1);
-    sprintf (buf, "scsi%d : setting target %d to ", host->host_no, target);
-    print_synchronous (buf, msg);
-}
-
-/* 
- * Function : static int NCR53c7x0_dstat_sir_intr (struct Scsi_Host *host,
- * 	struct NCR53c7x0_cmd *cmd)
- *
- * Purpose :  Handler for INT generated instructions for the 
- * 	NCR53c810/820 SCSI SCRIPT
- *
- * Inputs : host - pointer to this host adapter's structure,
- * 	cmd - pointer to the command (if any) dsa was pointing 
- * 	to.
- *
- */
-
-static int 
-NCR53c7x0_dstat_sir_intr (struct Scsi_Host *host, struct 
-    NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    int print;
-    Scsi_Cmnd *c = cmd ? cmd->cmd : NULL;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];		
-    u32 dsps,*dsp;	/* Argument of the INT instruction */
-
-    NCR53c7x0_local_setup(host);
-    dsps = NCR53c7x0_read32(DSPS_REG);
-    dsp = (u32 *) bus_to_virt(NCR53c7x0_read32(DSP_REG));
-
-    /* RGH 150597:  Frig.  Commands which fail with Check Condition are
-     * Flagged as successful - hack dsps to indicate check condition */
-#if 0
-    /* RGH 200597:  Need to disable for BVME6000, as it gets Check Conditions
-     * and then dies.  Seems to handle Check Condition at startup, but
-     * not mid kernel build. */
-    if (dsps == A_int_norm_emulateintfly && cmd && cmd->result == 2)
-        dsps = A_int_err_check_condition;
-#endif
-
-    if (hostdata->options & OPTION_DEBUG_INTR) 
-	printk ("scsi%d : DSPS = 0x%x\n", host->host_no, dsps);
-
-    switch (dsps) {
-    case A_int_msg_1:
-	print = 1;
-	switch (hostdata->msg_buf[0]) {
-	/* 
-	 * Unless we've initiated synchronous negotiation, I don't
-	 * think that this should happen.
-	 */
-	case MESSAGE_REJECT:
-	    hostdata->dsp = hostdata->script + hostdata->E_accept_message /
-		sizeof(u32);
-	    hostdata->dsp_changed = 1;
-	    if (cmd && (cmd->flags & CMD_FLAG_SDTR)) {
-		printk ("scsi%d : target %d rejected SDTR\n", host->host_no, 
-		    c->device->id);
-		cmd->flags &= ~CMD_FLAG_SDTR;
-		asynchronous (host, c->device->id);
-		print = 0;
-	    } 
-	    break;
-	case INITIATE_RECOVERY:
-	    printk ("scsi%d : extended contingent allegiance not supported yet, rejecting\n",
-		host->host_no);
-	    /* Fall through to default */
-	    hostdata->dsp = hostdata->script + hostdata->E_reject_message /
-		sizeof(u32);
-	    hostdata->dsp_changed = 1;
-	    break;
-	default:
-	    printk ("scsi%d : unsupported message, rejecting\n",
-		host->host_no);
-	    hostdata->dsp = hostdata->script + hostdata->E_reject_message /
-		sizeof(u32);
-	    hostdata->dsp_changed = 1;
-	}
-	if (print) {
-	    printk ("scsi%d : received message", host->host_no);
-	    if (c) 
-	    	printk (" from target %d lun %d ", c->device->id, c->device->lun);
-	    spi_print_msg((unsigned char *) hostdata->msg_buf);
-	    printk("\n");
-	}
-	
-	return SPECIFIC_INT_NOTHING;
-
-
-    case A_int_msg_sdtr:
-/*
- * At this point, hostdata->msg_buf contains
- * 0 EXTENDED MESSAGE
- * 1 length 
- * 2 SDTR
- * 3 period * 4ns
- * 4 offset
- */
-
-	if (cmd) {
-	    char buf[80];
-	    sprintf (buf, "scsi%d : target %d %s ", host->host_no, c->device->id,
-		(cmd->flags & CMD_FLAG_SDTR) ? "accepting" : "requesting");
-	    print_synchronous (buf, (unsigned char *) hostdata->msg_buf);
-
-	/* 
-	 * Initiator initiated, won't happen unless synchronous 
-	 * 	transfers are enabled.  If we get a SDTR message in
-	 * 	response to our SDTR, we should program our parameters
-	 * 	such that 
-	 *		offset <= requested offset
-	 *		period >= requested period		 	
-   	 */
-	    if (cmd->flags & CMD_FLAG_SDTR) {
-		cmd->flags &= ~CMD_FLAG_SDTR; 
-		if (hostdata->msg_buf[4]) 
-		    synchronous (host, c->device->id, (unsigned char *) 
-		    	hostdata->msg_buf);
-		else 
-		    asynchronous (host, c->device->id);
-		hostdata->dsp = hostdata->script + hostdata->E_accept_message /
-		    sizeof(u32);
-		hostdata->dsp_changed = 1;
-		return SPECIFIC_INT_NOTHING;
-	    } else {
-		if (hostdata->options & OPTION_SYNCHRONOUS)  {
-		    cmd->flags |= CMD_FLAG_DID_SDTR;
-		    synchronous (host, c->device->id, (unsigned char *) 
-			hostdata->msg_buf);
-		} else {
-		    hostdata->msg_buf[4] = 0;		/* 0 offset = async */
-		    asynchronous (host, c->device->id);
-		}
-		patch_dsa_32 (cmd->dsa, dsa_msgout_other, 0, 5);
-		patch_dsa_32 (cmd->dsa, dsa_msgout_other, 1, (u32) 
-		    virt_to_bus ((void *)&hostdata->msg_buf));
-		hostdata->dsp = hostdata->script + 
-		    hostdata->E_respond_message / sizeof(u32);
-		hostdata->dsp_changed = 1;
-	    }
-	    return SPECIFIC_INT_NOTHING;
-	}
-	/* Fall through to abort if we couldn't find a cmd, and 
-	   therefore a dsa structure to twiddle */
-    case A_int_msg_wdtr:
-	hostdata->dsp = hostdata->script + hostdata->E_reject_message /
-	    sizeof(u32);
-	hostdata->dsp_changed = 1;
-	return SPECIFIC_INT_NOTHING;
-    case A_int_err_unexpected_phase:
-	if (hostdata->options & OPTION_DEBUG_INTR) 
-	    printk ("scsi%d : unexpected phase\n", host->host_no);
-	return SPECIFIC_INT_ABORT;
-    case A_int_err_selected:
-	if ((hostdata->chip / 100) == 8)
-	    printk ("scsi%d : selected by target %d\n", host->host_no,
-	        (int) NCR53c7x0_read8(SDID_REG_800) &7);
-	else
-            printk ("scsi%d : selected by target LCRC=0x%02x\n", host->host_no,
-                (int) NCR53c7x0_read8(LCRC_REG_10));
-	hostdata->dsp = hostdata->script + hostdata->E_target_abort / 
-    	    sizeof(u32);
-	hostdata->dsp_changed = 1;
-	return SPECIFIC_INT_NOTHING;
-    case A_int_err_unexpected_reselect:
-	if ((hostdata->chip / 100) == 8)
-	    printk ("scsi%d : unexpected reselect by target %d lun %d\n", 
-	        host->host_no, (int) NCR53c7x0_read8(SDID_REG_800) & 7,
-	        hostdata->reselected_identify & 7);
-	else
-            printk ("scsi%d : unexpected reselect LCRC=0x%02x\n", host->host_no,
-                (int) NCR53c7x0_read8(LCRC_REG_10));
-	hostdata->dsp = hostdata->script + hostdata->E_initiator_abort /
-    	    sizeof(u32);
-	hostdata->dsp_changed = 1;
-	return SPECIFIC_INT_NOTHING;
-/*
- * Since contingent allegiance conditions are cleared by the next 
- * command issued to a target, we must issue a REQUEST SENSE 
- * command after receiving a CHECK CONDITION status, before
- * another command is issued.
- * 
- * Since this NCR53c7x0_cmd will be freed after use, we don't 
- * care if we step on the various fields, so modify a few things.
- */
-    case A_int_err_check_condition: 
-#if 0
-	if (hostdata->options & OPTION_DEBUG_INTR) 
-#endif
-	    printk ("scsi%d : CHECK CONDITION\n", host->host_no);
-	if (!c) {
-	    printk("scsi%d : CHECK CONDITION with no SCSI command\n",
-		host->host_no);
-	    return SPECIFIC_INT_PANIC;
-	}
-
-	/* 
-	 * FIXME : this uses the normal one-byte selection message.
-	 * 	We may want to renegotiate for synchronous & WIDE transfers
-	 * 	since these could be the crux of our problem.
-	 *
-	 hostdata->NOP_insn* FIXME : once SCSI-II tagged queuing is implemented, we'll
-	 * 	have to set this up so that the rest of the DSA
-	 *	agrees with this being an untagged queue'd command.
-	 */
-
-    	patch_dsa_32 (cmd->dsa, dsa_msgout, 0, 1);
-
-    	/* 
-    	 * Modify the table indirect for COMMAND OUT phase, since 
-    	 * Request Sense is a six byte command.
-    	 */
-
-    	patch_dsa_32 (cmd->dsa, dsa_cmdout, 0, 6);
-
-        /*
-         * The CDB is now mirrored in our local non-cached
-         * structure, but keep the old structure up to date as well,
-         * just in case anyone looks at it.
-         */
-
-	/*
-	 * XXX Need to worry about data buffer alignment/cache state
-	 * XXX here, but currently never get A_int_err_check_condition,
-	 * XXX so ignore problem for now.
-         */
-	cmd->cmnd[0] = c->cmnd[0] = REQUEST_SENSE;
-	cmd->cmnd[0] = c->cmnd[1] &= 0xe0;	/* Zero all but LUN */
-	cmd->cmnd[0] = c->cmnd[2] = 0;
-	cmd->cmnd[0] = c->cmnd[3] = 0;
-	cmd->cmnd[0] = c->cmnd[4] = sizeof(c->sense_buffer);
-	cmd->cmnd[0] = c->cmnd[5] = 0; 
-
-	/*
-	 * Disable dataout phase, and program datain to transfer to the 
-	 * sense buffer, and add a jump to other_transfer after the 
-    	 * command so overflow/underrun conditions are detected.
-	 */
-
-    	patch_dsa_32 (cmd->dsa, dsa_dataout, 0, 
-	    virt_to_bus(hostdata->script) + hostdata->E_other_transfer);
-    	patch_dsa_32 (cmd->dsa, dsa_datain, 0, 
-	    virt_to_bus(cmd->data_transfer_start));
-    	cmd->data_transfer_start[0] = (((DCMD_TYPE_BMI | DCMD_BMI_OP_MOVE_I | 
-    	    DCMD_BMI_IO)) << 24) | sizeof(c->sense_buffer);
-    	cmd->data_transfer_start[1] = (u32) virt_to_bus(c->sense_buffer);
-
-	cmd->data_transfer_start[2] = ((DCMD_TYPE_TCI | DCMD_TCI_OP_JUMP) 
-    	    << 24) | DBC_TCI_TRUE;
-	cmd->data_transfer_start[3] = (u32) virt_to_bus(hostdata->script) + 
-	    hostdata->E_other_transfer;
-
-    	/*
-    	 * Currently, this command is flagged as completed, ie 
-    	 * it has valid status and message data.  Reflag it as
-    	 * incomplete.  Q - need to do something so that original
-	 * status, etc are used.
-    	 */
-
-	cmd->result = cmd->cmd->result = 0xffff;		
-
-	/* 
-	 * Restart command as a REQUEST SENSE.
-	 */
-	hostdata->dsp = (u32 *) hostdata->script + hostdata->E_select /
-	    sizeof(u32);
-	hostdata->dsp_changed = 1;
-	return SPECIFIC_INT_NOTHING;
-    case A_int_debug_break:
-	return SPECIFIC_INT_BREAK;
-    case A_int_norm_aborted:
-	hostdata->dsp = (u32 *) hostdata->schedule;
-	hostdata->dsp_changed = 1;
-	if (cmd)
-	    abnormal_finished (cmd, DID_ERROR << 16);
-	return SPECIFIC_INT_NOTHING;
-    case A_int_norm_emulateintfly:
-	NCR53c7x0_intfly(host);
-	return SPECIFIC_INT_NOTHING;
-    case A_int_test_1:
-    case A_int_test_2:
-	hostdata->idle = 1;
-	hostdata->test_completed = (dsps - A_int_test_1) / 0x00010000 + 1;
-	if (hostdata->options & OPTION_DEBUG_INTR)
-	    printk("scsi%d : test%d complete\n", host->host_no,
-		hostdata->test_completed);
-	return SPECIFIC_INT_NOTHING;
-#ifdef A_int_debug_reselected_ok
-    case A_int_debug_reselected_ok:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-    	    	OPTION_DEBUG_DISCONNECT)) {
-	    /* 
-	     * Note - this dsa is not based on location relative to 
-	     * the command structure, but to location relative to the 
-	     * DSA register 
-	     */	
-	    u32 *dsa;
-	    dsa = (u32 *) bus_to_virt (NCR53c7x0_read32(DSA_REG));
-
-	    printk("scsi%d : reselected_ok (DSA = 0x%x (virt 0x%p)\n", 
-		host->host_no, NCR53c7x0_read32(DSA_REG), dsa);
-	    printk("scsi%d : resume address is 0x%x (virt 0x%p)\n",
-		    host->host_no, cmd->saved_data_pointer,
-		    bus_to_virt(cmd->saved_data_pointer));
-	    print_insn (host, hostdata->script + Ent_reselected_ok / 
-    	    	    sizeof(u32), "", 1);
-	    if ((hostdata->chip / 100) == 8)
-    	        printk ("scsi%d : sxfer=0x%x, scntl3=0x%x\n",
-		    host->host_no, NCR53c7x0_read8(SXFER_REG),
-		    NCR53c7x0_read8(SCNTL3_REG_800));
-	    else
-    	        printk ("scsi%d : sxfer=0x%x, cannot read SBCL\n",
-		    host->host_no, NCR53c7x0_read8(SXFER_REG));
-	    if (c) {
-		print_insn (host, (u32 *) 
-		    hostdata->sync[c->device->id].script, "", 1);
-		print_insn (host, (u32 *) 
-		    hostdata->sync[c->device->id].script + 2, "", 1);
-	    }
-	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_reselect_check
-    case A_int_debug_reselect_check:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    u32 *dsa;
-#if 0
-	    u32 *code;
-#endif
-	    /* 
-	     * Note - this dsa is not based on location relative to 
-	     * the command structure, but to location relative to the 
-	     * DSA register 
-	     */	
-	    dsa = bus_to_virt (NCR53c7x0_read32(DSA_REG));
-	    printk("scsi%d : reselected_check_next (DSA = 0x%lx (virt 0x%p))\n",
-		host->host_no, virt_to_bus(dsa), dsa);
-	    if (dsa) {
-		printk("scsi%d : resume address is 0x%x (virt 0x%p)\n",
-		    host->host_no, cmd->saved_data_pointer,
-		    bus_to_virt (cmd->saved_data_pointer));
-#if 0
-		printk("scsi%d : template code :\n", host->host_no);
-		for (code = dsa + (Ent_dsa_code_check_reselect - Ent_dsa_zero) 
-		    / sizeof(u32); code < (dsa + Ent_dsa_zero / sizeof(u32)); 
-		    code += print_insn (host, code, "", 1));
-#endif
-	    }
-	    print_insn (host, hostdata->script + Ent_reselected_ok / 
-    	    	    sizeof(u32), "", 1);
-	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_dsa_schedule
-    case A_int_debug_dsa_schedule:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    u32 *dsa;
-	    /* 
-	     * Note - this dsa is not based on location relative to 
-	     * the command structure, but to location relative to the 
-	     * DSA register 
-	     */	
-	    dsa = (u32 *) bus_to_virt (NCR53c7x0_read32(DSA_REG));
-	    printk("scsi%d : dsa_schedule (old DSA = 0x%lx (virt 0x%p))\n", 
-		host->host_no, virt_to_bus(dsa), dsa);
-	    if (dsa) 
-		printk("scsi%d : resume address is 0x%x (virt 0x%p)\n"
-		       "         (temp was 0x%x (virt 0x%p))\n",
-		    host->host_no, cmd->saved_data_pointer,
-		    bus_to_virt (cmd->saved_data_pointer),
-		    NCR53c7x0_read32 (TEMP_REG),
-		    bus_to_virt (NCR53c7x0_read32(TEMP_REG)));
-	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_scheduled
-    case A_int_debug_scheduled:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    printk("scsi%d : new I/O 0x%x (virt 0x%p) scheduled\n", 
-		host->host_no, NCR53c7x0_read32(DSA_REG),
-	    	bus_to_virt(NCR53c7x0_read32(DSA_REG)));
-	}
-	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_idle
-    case A_int_debug_idle:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    printk("scsi%d : idle\n", host->host_no);
-	}
-	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_cmd
-    case A_int_debug_cmd:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    printk("scsi%d : command sent\n");
-	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_dsa_loaded
-    case A_int_debug_dsa_loaded:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    printk("scsi%d : DSA loaded with 0x%x (virt 0x%p)\n", host->host_no,
-		NCR53c7x0_read32(DSA_REG), 
-		bus_to_virt(NCR53c7x0_read32(DSA_REG)));
-	}
-	return SPECIFIC_INT_RESTART; 
-#endif
-#ifdef A_int_debug_reselected
-    case A_int_debug_reselected:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-	    OPTION_DEBUG_DISCONNECT)) {
-	    if ((hostdata->chip / 100) == 8)
-		printk("scsi%d : reselected by target %d lun %d\n",
-		    host->host_no, (int) NCR53c7x0_read8(SDID_REG_800) & ~0x80, 
-		    (int) hostdata->reselected_identify & 7);
-	    else
-		printk("scsi%d : reselected by LCRC=0x%02x lun %d\n",
-                    host->host_no, (int) NCR53c7x0_read8(LCRC_REG_10),
-                    (int) hostdata->reselected_identify & 7);
-	    print_queues(host);
-	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_disconnect_msg
-    case A_int_debug_disconnect_msg:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR)) {
-	    if (c)
-		printk("scsi%d : target %d lun %d disconnecting\n", 
-		    host->host_no, c->device->id, c->device->lun);
-	    else
-		printk("scsi%d : unknown target disconnecting\n",
-		    host->host_no);
-	}
-	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_disconnected
-    case A_int_debug_disconnected:
-	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-		OPTION_DEBUG_DISCONNECT)) {
-	    printk ("scsi%d : disconnected, new queues are\n", 
-		host->host_no);
-	    print_queues(host);
-#if 0
-	    /* Not valid on ncr53c710! */
-    	    printk ("scsi%d : sxfer=0x%x, scntl3=0x%x\n",
-		host->host_no, NCR53c7x0_read8(SXFER_REG),
-		NCR53c7x0_read8(SCNTL3_REG_800));
-#endif
-	    if (c) {
-		print_insn (host, (u32 *) 
-		    hostdata->sync[c->device->id].script, "", 1);
-		print_insn (host, (u32 *) 
-		    hostdata->sync[c->device->id].script + 2, "", 1);
-	    }
-	}
-	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_panic
-    case A_int_debug_panic:
-	printk("scsi%d : int_debug_panic received\n", host->host_no);
-	print_lots (host);
-	return SPECIFIC_INT_PANIC;
-#endif
-#ifdef A_int_debug_saved
-    case A_int_debug_saved:
-    	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-    	    OPTION_DEBUG_DISCONNECT)) {
-    	    printk ("scsi%d : saved data pointer 0x%x (virt 0x%p)\n",
-    	    	host->host_no, cmd->saved_data_pointer,
-		bus_to_virt (cmd->saved_data_pointer));
-    	    print_progress (c);
-    	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_restored
-    case A_int_debug_restored:
-    	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-    	    OPTION_DEBUG_DISCONNECT)) {
-    	    if (cmd) {
-		int size;
-    	    	printk ("scsi%d : restored data pointer 0x%x (virt 0x%p)\n",
-    	    	    host->host_no, cmd->saved_data_pointer, bus_to_virt (
-		    cmd->saved_data_pointer));
-		size = print_insn (host, (u32 *) 
-		    bus_to_virt(cmd->saved_data_pointer), "", 1);
-		size = print_insn (host, (u32 *) 
-		    bus_to_virt(cmd->saved_data_pointer) + size, "", 1);
-    	    	print_progress (c);
-	    }
-#if 0
-	    printk ("scsi%d : datapath residual %d\n",
-		host->host_no, datapath_residual (host)) ;
-#endif
-    	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_sync
-    case A_int_debug_sync:
-    	if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-    	    OPTION_DEBUG_DISCONNECT|OPTION_DEBUG_SDTR)) {
-	    unsigned char sxfer = NCR53c7x0_read8 (SXFER_REG), scntl3;
-	    if ((hostdata->chip / 100) == 8) {
-		scntl3 = NCR53c7x0_read8 (SCNTL3_REG_800);
-		if (c) {
-		  if (sxfer != hostdata->sync[c->device->id].sxfer_sanity ||
-		    scntl3 != hostdata->sync[c->device->id].scntl3_sanity) {
-		   	printk ("scsi%d :  sync sanity check failed sxfer=0x%x, scntl3=0x%x",
-			    host->host_no, sxfer, scntl3);
-			NCR53c7x0_write8 (SXFER_REG, sxfer);
-			NCR53c7x0_write8 (SCNTL3_REG_800, scntl3);
-		    }
-		} else 
-    	    	  printk ("scsi%d : unknown command sxfer=0x%x, scntl3=0x%x\n",
-		    host->host_no, (int) sxfer, (int) scntl3);
-	    } else {
-		if (c) {
-		  if (sxfer != hostdata->sync[c->device->id].sxfer_sanity) {
-		   	printk ("scsi%d :  sync sanity check failed sxfer=0x%x",
-			    host->host_no, sxfer);
-			NCR53c7x0_write8 (SXFER_REG, sxfer);
-			NCR53c7x0_write8 (SBCL_REG,
-				hostdata->sync[c->device->id].sscf_710);
-		    }
-		} else 
-    	    	  printk ("scsi%d : unknown command sxfer=0x%x\n",
-		    host->host_no, (int) sxfer);
-	    }
-	}
-    	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_datain
-	case A_int_debug_datain:
-	    if (hostdata->options & (OPTION_DEBUG_SCRIPT|OPTION_DEBUG_INTR|
-		OPTION_DEBUG_DISCONNECT|OPTION_DEBUG_SDTR)) {
-		int size;
-		if ((hostdata->chip / 100) == 8)
-		  printk ("scsi%d : In do_datain (%s) sxfer=0x%x, scntl3=0x%x\n"
-			"         datapath residual=%d\n",
-		    host->host_no, sbcl_to_phase (NCR53c7x0_read8 (SBCL_REG)),
-		    (int) NCR53c7x0_read8(SXFER_REG), 
-		    (int) NCR53c7x0_read8(SCNTL3_REG_800),
-		    datapath_residual (host)) ;
-		else
-		  printk ("scsi%d : In do_datain (%s) sxfer=0x%x\n"
-			"         datapath residual=%d\n",
-		    host->host_no, sbcl_to_phase (NCR53c7x0_read8 (SBCL_REG)),
-		    (int) NCR53c7x0_read8(SXFER_REG), 
-		    datapath_residual (host)) ;
-		print_insn (host, dsp, "", 1);
-		size = print_insn (host, (u32 *) bus_to_virt(dsp[1]), "", 1);
-		print_insn (host, (u32 *) bus_to_virt(dsp[1]) + size, "", 1);
-	   } 
-	return SPECIFIC_INT_RESTART;
-#endif
-#ifdef A_int_debug_check_dsa
-	case A_int_debug_check_dsa:
-	    if (NCR53c7x0_read8 (SCNTL1_REG) & SCNTL1_CON) {
-		int sdid;
-		int tmp;
-		char *where;
-		if (hostdata->chip / 100 == 8)
-		    sdid = NCR53c7x0_read8 (SDID_REG_800) & 15;
-		else {
-		    tmp = NCR53c7x0_read8 (SDID_REG_700);
-		    if (!tmp)
-			panic ("SDID_REG_700 = 0");
-		    tmp >>= 1;
-		    sdid = 0;
-		    while (tmp) {
-			tmp >>= 1;
-			sdid++;
-		    }
-		}
-		where = dsp - NCR53c7x0_insn_size(NCR53c7x0_read8 
-			(DCMD_REG)) == hostdata->script + 
-		    	Ent_select_check_dsa / sizeof(u32) ?
-		    "selection" : "reselection";
-		if (c && sdid != c->device->id) {
-		    printk ("scsi%d : SDID target %d != DSA target %d at %s\n",
-			host->host_no, sdid, c->device->id, where);
-		    print_lots(host);
-		    dump_events (host, 20);
-		    return SPECIFIC_INT_PANIC;
-		}
-	    }
-	    return SPECIFIC_INT_RESTART;
-#endif
-    default:
-	if ((dsps & 0xff000000) == 0x03000000) {
-	     printk ("scsi%d : misc debug interrupt 0x%x\n",
-		host->host_no, dsps);
-	    return SPECIFIC_INT_RESTART;
-	} else if ((dsps & 0xff000000) == 0x05000000) {
-	    if (hostdata->events) {
-		struct NCR53c7x0_event *event;
-		++hostdata->event_index;
-		if (hostdata->event_index >= hostdata->event_size)
-		    hostdata->event_index = 0;
-		event = (struct NCR53c7x0_event *) hostdata->events + 
-		    hostdata->event_index;
-		event->event = (enum ncr_event) dsps;
-		event->dsa = bus_to_virt(NCR53c7x0_read32(DSA_REG));
-		if (NCR53c7x0_read8 (SCNTL1_REG) & SCNTL1_CON) {
-		    if (hostdata->chip / 100 == 8)
-			event->target = NCR53c7x0_read8(SSID_REG_800);
-		    else {
-			unsigned char tmp, sdid;
-		        tmp = NCR53c7x0_read8 (SDID_REG_700);
-		        if (!tmp)
-			    panic ("SDID_REG_700 = 0");
-		        tmp >>= 1;
-		        sdid = 0;
-		        while (tmp) {
-			    tmp >>= 1;
-			    sdid++;
-		        }
-			event->target = sdid;
-		    }
-		}
-		else 
-			event->target = 255;
-
-		if (event->event == EVENT_RESELECT)
-		    event->lun = hostdata->reselected_identify & 0xf;
-		else if (c)
-		    event->lun = c->device->lun;
-		else
-		    event->lun = 255;
-		do_gettimeofday(&(event->time));
-		if (c) {
-		    event->pid = c->pid;
-		    memcpy ((void *) event->cmnd, (void *) c->cmnd, 
-			sizeof (event->cmnd));
-		} else {
-		    event->pid = -1;
-		}
-	    }
-	    return SPECIFIC_INT_RESTART;
-	}
-
-	printk ("scsi%d : unknown user interrupt 0x%x\n", 
-	    host->host_no, (unsigned) dsps);
-	return SPECIFIC_INT_PANIC;
-    }
-}
-
-/* 
- * XXX - the stock NCR assembler won't output the scriptu.h file,
- * which undefine's all #define'd CPP symbols from the script.h
- * file, which will create problems if you use multiple scripts
- * with the same  symbol names.
- *
- * If you insist on using NCR's assembler, you could generate
- * scriptu.h from script.h using something like 
- *
- * grep #define script.h | \
- * sed 's/#define[ 	][ 	]*\([_a-zA-Z][_a-zA-Z0-9]*\).*$/#undefine \1/' \
- * > scriptu.h
- */
-
-#include "53c7xx_u.h"
-
-/* XXX - add alternate script handling code here */
-
-
-/* 
- * Function : static void NCR537xx_soft_reset (struct Scsi_Host *host)
- *
- * Purpose :  perform a soft reset of the NCR53c7xx chip
- *
- * Inputs : host - pointer to this host adapter's structure
- *
- * Preconditions : NCR53c7x0_init must have been called for this 
- *      host.
- * 
- */
-
-static void 
-NCR53c7x0_soft_reset (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    unsigned long flags;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    NCR53c7x0_local_setup(host);
-
-    local_irq_save(flags);
-
-    /* Disable scsi chip and s/w level 7 ints */
-
-#ifdef CONFIG_MVME16x
-    if (MACH_IS_MVME16x)
-    {
-        volatile unsigned long v;
-
-        v = *(volatile unsigned long *)0xfff4006c;
-        v &= ~0x8000;
-        *(volatile unsigned long *)0xfff4006c = v;
-        v = *(volatile unsigned long *)0xfff4202c;
-        v &= ~0x10;
-        *(volatile unsigned long *)0xfff4202c = v;
-    }
-#endif
-    /* Anything specific for your hardware? */
-
-    /*
-     * Do a soft reset of the chip so that everything is 
-     * reinitialized to the power-on state.
-     *
-     * Basically follow the procedure outlined in the NCR53c700
-     * data manual under Chapter Six, How to Use, Steps Necessary to
-     * Start SCRIPTS, with the exception of actually starting the 
-     * script and setting up the synchronous transfer gunk.
-     */
-
-    /* Should we reset the scsi bus here??????????????????? */
-
-    NCR53c7x0_write8(ISTAT_REG_700, ISTAT_10_SRST);
-    NCR53c7x0_write8(ISTAT_REG_700, 0);
-
-    /*
-     * saved_dcntl is set up in NCR53c7x0_init() before it is overwritten
-     * here.  We should have some better way of working out the CF bit
-     * setting..
-     */
-
-    hostdata->saved_dcntl = DCNTL_10_EA|DCNTL_10_COM;
-    if (hostdata->scsi_clock > 50000000)
-	hostdata->saved_dcntl |= DCNTL_700_CF_3;
-    else
-    if (hostdata->scsi_clock > 37500000)
-        hostdata->saved_dcntl |= DCNTL_700_CF_2;
-#if 0
-    else
-	/* Any clocks less than 37.5MHz? */
-#endif
-
-    if (hostdata->options & OPTION_DEBUG_TRACE)
-    	NCR53c7x0_write8(DCNTL_REG, hostdata->saved_dcntl | DCNTL_SSM);
-    else
-    	NCR53c7x0_write8(DCNTL_REG, hostdata->saved_dcntl);
-    /* Following disables snooping - snooping is not required, as non-
-     * cached pages are used for shared data, and appropriate use is
-     * made of cache_push/cache_clear.  Indeed, for 68060
-     * enabling snooping causes disk corruption of ext2fs free block
-     * bitmaps and the like.  If you have a 68060 with snooping hardwared
-     * on, then you need to enable CONFIG_060_WRITETHROUGH.
-     */
-    NCR53c7x0_write8(CTEST7_REG, CTEST7_10_TT1|CTEST7_STD);
-    /* Actually burst of eight, according to my 53c710 databook */
-    NCR53c7x0_write8(hostdata->dmode, DMODE_10_BL_8 | DMODE_10_FC2);
-    NCR53c7x0_write8(SCID_REG, 1 << host->this_id);
-    NCR53c7x0_write8(SBCL_REG, 0);
-    NCR53c7x0_write8(SCNTL1_REG, SCNTL1_ESR_700);
-    NCR53c7x0_write8(SCNTL0_REG, ((hostdata->options & OPTION_PARITY) ? 
-            SCNTL0_EPC : 0) | SCNTL0_EPG_700 | SCNTL0_ARB1 | SCNTL0_ARB2);
-
-    /*
-     * Enable all interrupts, except parity which we only want when
-     * the user requests it.
-     */
-
-    NCR53c7x0_write8(DIEN_REG, DIEN_700_BF |
-		DIEN_ABRT | DIEN_SSI | DIEN_SIR | DIEN_700_OPC);
-
-    NCR53c7x0_write8(SIEN_REG_700, ((hostdata->options & OPTION_PARITY) ?
-	    SIEN_PAR : 0) | SIEN_700_STO | SIEN_RST | SIEN_UDC |
-		SIEN_SGE | SIEN_MA);
-
-#ifdef CONFIG_MVME16x
-    if (MACH_IS_MVME16x)
-    {
-        volatile unsigned long v;
-
-        /* Enable scsi chip and s/w level 7 ints */
-        v = *(volatile unsigned long *)0xfff40080;
-        v = (v & ~(0xf << 28)) | (4 << 28);
-        *(volatile unsigned long *)0xfff40080 = v;
-        v = *(volatile unsigned long *)0xfff4006c;
-        v |= 0x8000;
-        *(volatile unsigned long *)0xfff4006c = v;
-        v = *(volatile unsigned long *)0xfff4202c;
-        v = (v & ~0xff) | 0x10 | 4;
-        *(volatile unsigned long *)0xfff4202c = v;
-    }
-#endif
-    /* Anything needed for your hardware? */
-    local_irq_restore(flags);
-}
-
-
-/*
- * Function static struct NCR53c7x0_cmd *allocate_cmd (Scsi_Cmnd *cmd)
- * 
- * Purpose : Return the first free NCR53c7x0_cmd structure (which are 
- * 	reused in a LIFO manner to minimize cache thrashing).
- *
- * Side effects : If we haven't yet scheduled allocation of NCR53c7x0_cmd
- *	structures for this device, do so.  Attempt to complete all scheduled
- *	allocations using get_zeroed_page(), putting NCR53c7x0_cmd structures on
- *	the free list.  Teach programmers not to drink and hack.
- *
- * Inputs : cmd - SCSI command
- *
- * Returns : NCR53c7x0_cmd structure allocated on behalf of cmd;
- *	NULL on failure.
- */
-
-static void
-my_free_page (void *addr, int dummy)
-{
-    /* XXX This assumes default cache mode to be IOMAP_FULL_CACHING, which
-     * XXX may be invalid (CONFIG_060_WRITETHROUGH)
-     */
-    kernel_set_cachemode((void *)addr, 4096, IOMAP_FULL_CACHING);
-    free_page ((u32)addr);
-}
-
-static struct NCR53c7x0_cmd *
-allocate_cmd (Scsi_Cmnd *cmd) {
-    struct Scsi_Host *host = cmd->device->host;
-    struct NCR53c7x0_hostdata *hostdata = 
-	(struct NCR53c7x0_hostdata *) host->hostdata[0];
-    u32 real;			/* Real address */
-    int size;			/* Size of *tmp */
-    struct NCR53c7x0_cmd *tmp;
-    unsigned long flags;
-
-    if (hostdata->options & OPTION_DEBUG_ALLOCATION)
-	printk ("scsi%d : num_cmds = %d, can_queue = %d\n"
-		"         target = %d, lun = %d, %s\n",
-	    host->host_no, hostdata->num_cmds, host->can_queue,
-	    cmd->device->id, cmd->device->lun, (hostdata->cmd_allocated[cmd->device->id] &
-		(1 << cmd->device->lun)) ? "already allocated" : "not allocated");
-
-/*
- * If we have not yet reserved commands for this I_T_L nexus, and
- * the device exists (as indicated by permanent Scsi_Cmnd structures
- * being allocated under 1.3.x, or being outside of scan_scsis in
- * 1.2.x), do so now.
- */
-    if (!(hostdata->cmd_allocated[cmd->device->id] & (1 << cmd->device->lun)) &&
-				cmd->device && cmd->device->has_cmdblocks) {
-      if ((hostdata->extra_allocate + hostdata->num_cmds) < host->can_queue)
-          hostdata->extra_allocate += host->cmd_per_lun;
-      hostdata->cmd_allocated[cmd->device->id] |= (1 << cmd->device->lun);
-    }
-
-    for (; hostdata->extra_allocate > 0 ; --hostdata->extra_allocate, 
-    	++hostdata->num_cmds) {
-    /* historically, kmalloc has returned unaligned addresses; pad so we
-       have enough room to ROUNDUP */
-	size = hostdata->max_cmd_size + sizeof (void *);
-#ifdef FORCE_DSA_ALIGNMENT
-	/*
-	 * 53c710 rev.0 doesn't have an add-with-carry instruction.
-	 * Ensure we allocate enough memory to force alignment.
-	 */
-	size += 256;
-#endif
-/* FIXME: for ISA bus '7xx chips, we need to or GFP_DMA in here */
-
-        if (size > 4096) {
-            printk (KERN_ERR "53c7xx: allocate_cmd size > 4K\n");
-	    return NULL;
-	}
-        real = get_zeroed_page(GFP_ATOMIC);
-        if (real == 0)
-        	return NULL;
-        cache_push(virt_to_phys((void *)real), 4096);
-        cache_clear(virt_to_phys((void *)real), 4096);
-        kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER);
-	tmp = ROUNDUP(real, void *);
-#ifdef FORCE_DSA_ALIGNMENT
-	{
-	    if (((u32)tmp & 0xff) > CmdPageStart)
-		tmp = (struct NCR53c7x0_cmd *)((u32)tmp + 255);
-	    tmp = (struct NCR53c7x0_cmd *)(((u32)tmp & ~0xff) + CmdPageStart);
-#if 0
-	    printk ("scsi: size = %d, real = 0x%08x, tmp set to 0x%08x\n",
-			size, real, (u32)tmp);
-#endif
-	}
-#endif
-	tmp->real = (void *)real;
-	tmp->size = size;			
-	tmp->free = ((void (*)(void *, int)) my_free_page);
-	local_irq_save(flags);
-	tmp->next = hostdata->free;
-	hostdata->free = tmp;
-	local_irq_restore(flags);
-    }
-    local_irq_save(flags);
-    tmp = (struct NCR53c7x0_cmd *) hostdata->free;
-    if (tmp) {
-	hostdata->free = tmp->next;
-    }
-    local_irq_restore(flags);
-    if (!tmp)
-	printk ("scsi%d : can't allocate command for target %d lun %d\n",
-	    host->host_no, cmd->device->id, cmd->device->lun);
-    return tmp;
-}
-
-/*
- * Function static struct NCR53c7x0_cmd *create_cmd (Scsi_Cmnd *cmd) 
- *
- *
- * Purpose : allocate a NCR53c7x0_cmd structure, initialize it based on the 
- * 	Scsi_Cmnd structure passed in cmd, including dsa and Linux field 
- * 	initialization, and dsa code relocation.
- *
- * Inputs : cmd - SCSI command
- *
- * Returns : NCR53c7x0_cmd structure corresponding to cmd,
- *	NULL on failure.
- */
-static struct NCR53c7x0_cmd *
-create_cmd (Scsi_Cmnd *cmd) {
-    NCR53c7x0_local_declare();
-    struct Scsi_Host *host = cmd->device->host;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-        host->hostdata[0];	
-    struct NCR53c7x0_cmd *tmp; 	/* NCR53c7x0_cmd structure for this command */
-    int datain,  		/* Number of instructions per phase */
-	dataout;
-    int data_transfer_instructions, /* Count of dynamic instructions */
-    	i;			/* Counter */
-    u32 *cmd_datain,		/* Address of datain/dataout code */
-	*cmd_dataout;		/* Incremented as we assemble */
-#ifdef notyet
-    unsigned char *msgptr;	/* Current byte in select message */
-    int msglen;			/* Length of whole select message */
-#endif
-    unsigned long flags;
-    u32 exp_select_indirect;	/* Used in sanity check */
-    NCR53c7x0_local_setup(cmd->device->host);
-
-    if (!(tmp = allocate_cmd (cmd)))
-	return NULL;
-
-    /*
-     * Copy CDB and initialised result fields from Scsi_Cmnd to NCR53c7x0_cmd.
-     * We do this because NCR53c7x0_cmd may have a special cache mode
-     * selected to cope with lack of bus snooping, etc.
-     */
-
-    memcpy(tmp->cmnd, cmd->cmnd, 12);
-    tmp->result = cmd->result;
-
-    /*
-     * Decide whether we need to generate commands for DATA IN,
-     * DATA OUT, neither, or both based on the SCSI command 
-     */
-
-    switch (cmd->cmnd[0]) {
-    /* These commands do DATA IN */
-    case INQUIRY:
-    case MODE_SENSE:
-    case READ_6:
-    case READ_10:
-    case READ_CAPACITY:
-    case REQUEST_SENSE:
-    case READ_BLOCK_LIMITS:
-    case READ_TOC:
-	datain = 2 * (cmd->use_sg ? cmd->use_sg : 1) + 3;
-    	dataout = 0;
-	break;
-    /* These commands do DATA OUT */
-    case MODE_SELECT: 
-    case WRITE_6:
-    case WRITE_10:
-#if 0
-	printk("scsi%d : command is ", host->host_no);
-	__scsi_print_command(cmd->cmnd);
-#endif
-#if 0
-	printk ("scsi%d : %d scatter/gather segments\n", host->host_no,
-	    cmd->use_sg);
-#endif
-    	datain = 0;
-	dataout = 2 * (cmd->use_sg ? cmd->use_sg : 1) + 3;
-#if 0
-	hostdata->options |= OPTION_DEBUG_INTR;
-#endif
-	break;
-    /* 
-     * These commands do no data transfer, we should force an
-     * interrupt if a data phase is attempted on them.
-     */
-    case TEST_UNIT_READY:
-    case ALLOW_MEDIUM_REMOVAL:
-    case START_STOP:
-    	datain = dataout = 0;
-	break;
-    /*
-     * We don't know about these commands, so generate code to handle
-     * both DATA IN and DATA OUT phases.  More efficient to identify them
-     * and add them to the above cases.
-     */
-    default:
-	printk("scsi%d : datain+dataout for command ", host->host_no);
-	__scsi_print_command(cmd->cmnd);
-	datain = dataout = 2 * (cmd->use_sg ? cmd->use_sg : 1) + 3;
-    }
-
-    /*
-     * New code : so that active pointers work correctly regardless
-     * 	of where the saved data pointer is at, we want to immediately
-     * 	enter the dynamic code after selection, and on a non-data
-     * 	phase perform a CALL to the non-data phase handler, with
-     * 	returns back to this address.
-     *
-     * 	If a phase mismatch is encountered in the middle of a 
-     * 	Block MOVE instruction, we want to _leave_ that instruction
-     *	unchanged as the current case is, modify a temporary buffer,
-     *	and point the active pointer (TEMP) at that.
-     *
-     * 	Furthermore, we want to implement a saved data pointer, 
-     * 	set by the SAVE_DATA_POINTERs message.
-     *
-     * 	So, the data transfer segments will change to 
-     *		CALL data_transfer, WHEN NOT data phase
-     *		MOVE x, x, WHEN data phase
-     *		( repeat )
-     *		JUMP other_transfer
-     */
-
-    data_transfer_instructions = datain + dataout;
-
-    /*
-     * When we perform a request sense, we overwrite various things,
-     * including the data transfer code.  Make sure we have enough
-     * space to do that.
-     */
-
-    if (data_transfer_instructions < 2)
-    	data_transfer_instructions = 2;
-
-
-    /*
-     * The saved data pointer is set up so that a RESTORE POINTERS message 
-     * will start the data transfer over at the beginning.
-     */
-
-    tmp->saved_data_pointer = virt_to_bus (hostdata->script) + 
-	hostdata->E_data_transfer;
-
-    /*
-     * Initialize Linux specific fields.
-     */
-
-    tmp->cmd = cmd;
-    tmp->next = NULL;
-    tmp->flags = 0;
-    tmp->dsa_next_addr = virt_to_bus(tmp->dsa) + hostdata->dsa_next - 
-	hostdata->dsa_start;
-    tmp->dsa_addr = virt_to_bus(tmp->dsa) - hostdata->dsa_start;
-
-    /* 
-     * Calculate addresses of dynamic code to fill in DSA
-     */
-
-    tmp->data_transfer_start = tmp->dsa + (hostdata->dsa_end - 
-    	hostdata->dsa_start) / sizeof(u32);
-    tmp->data_transfer_end = tmp->data_transfer_start + 
-    	2 * data_transfer_instructions;
-
-    cmd_datain = datain ? tmp->data_transfer_start : NULL;
-    cmd_dataout = dataout ? (datain ? cmd_datain + 2 * datain : tmp->
-    	data_transfer_start) : NULL;
-
-    /*
-     * Fill in the NCR53c7x0_cmd structure as follows
-     * dsa, with fixed up DSA code
-     * datain code
-     * dataout code
-     */
-
-    /* Copy template code into dsa and perform all necessary fixups */
-    if (hostdata->dsa_fixup)
-    	hostdata->dsa_fixup(tmp);
-
-    patch_dsa_32(tmp->dsa, dsa_next, 0, 0);
-    /*
-     * XXX is this giving 53c710 access to the Scsi_Cmnd in some way?
-     * Do we need to change it for caching reasons?
-     */
-    patch_dsa_32(tmp->dsa, dsa_cmnd, 0, virt_to_bus(cmd));
-
-    if (hostdata->options & OPTION_DEBUG_SYNCHRONOUS) {
-
-	exp_select_indirect = ((1 << cmd->device->id) << 16) |
-			(hostdata->sync[cmd->device->id].sxfer_sanity << 8);
-
-	if (hostdata->sync[cmd->device->id].select_indirect !=
-				exp_select_indirect) {
-	    printk ("scsi%d :  sanity check failed select_indirect=0x%x\n",
-		host->host_no, hostdata->sync[cmd->device->id].select_indirect);
-	    FATAL(host);
-
-	}
-    }
-
-    patch_dsa_32(tmp->dsa, dsa_select, 0,
-		hostdata->sync[cmd->device->id].select_indirect);
-
-    /*
-     * Right now, we'll do the WIDE and SYNCHRONOUS negotiations on
-     * different commands; although it should be trivial to do them
-     * both at the same time.
-     */
-    if (hostdata->initiate_wdtr & (1 << cmd->device->id)) {
-	memcpy ((void *) (tmp->select + 1), (void *) wdtr_message,
-	    sizeof(wdtr_message));
-    	patch_dsa_32(tmp->dsa, dsa_msgout, 0, 1 + sizeof(wdtr_message));
-	local_irq_save(flags);
-	hostdata->initiate_wdtr &= ~(1 << cmd->device->id);
-	local_irq_restore(flags);
-    } else if (hostdata->initiate_sdtr & (1 << cmd->device->id)) {
-	memcpy ((void *) (tmp->select + 1), (void *) sdtr_message, 
-	    sizeof(sdtr_message));
-    	patch_dsa_32(tmp->dsa, dsa_msgout, 0, 1 + sizeof(sdtr_message));
-	tmp->flags |= CMD_FLAG_SDTR;
-	local_irq_save(flags);
-	hostdata->initiate_sdtr &= ~(1 << cmd->device->id);
-	local_irq_restore(flags);
-    
-    }
-#if 1
-    else if (!(hostdata->talked_to & (1 << cmd->device->id)) &&
-		!(hostdata->options & OPTION_NO_ASYNC)) {
-
-	memcpy ((void *) (tmp->select + 1), (void *) async_message, 
-	    sizeof(async_message));
-    	patch_dsa_32(tmp->dsa, dsa_msgout, 0, 1 + sizeof(async_message));
-	tmp->flags |= CMD_FLAG_SDTR;
-    } 
-#endif
-    else 
-    	patch_dsa_32(tmp->dsa, dsa_msgout, 0, 1);
-
-    hostdata->talked_to |= (1 << cmd->device->id);
-    tmp->select[0] = (hostdata->options & OPTION_DISCONNECT) ? 
-	IDENTIFY (1, cmd->device->lun) : IDENTIFY (0, cmd->device->lun);
-    patch_dsa_32(tmp->dsa, dsa_msgout, 1, virt_to_bus(tmp->select));
-    patch_dsa_32(tmp->dsa, dsa_cmdout, 0, cmd->cmd_len);
-    patch_dsa_32(tmp->dsa, dsa_cmdout, 1, virt_to_bus(tmp->cmnd));
-    patch_dsa_32(tmp->dsa, dsa_dataout, 0, cmd_dataout ? 
-    	    virt_to_bus (cmd_dataout)
-	: virt_to_bus (hostdata->script) + hostdata->E_other_transfer);
-    patch_dsa_32(tmp->dsa, dsa_datain, 0, cmd_datain ? 
-    	    virt_to_bus (cmd_datain) 
-	: virt_to_bus (hostdata->script) + hostdata->E_other_transfer);
-    /* 
-     * XXX - need to make endian aware, should use separate variables
-     * for both status and message bytes.
-     */
-    patch_dsa_32(tmp->dsa, dsa_msgin, 0, 1);
-/* 
- * FIXME : these only works for little endian.  We probably want to 
- * 	provide message and status fields in the NCR53c7x0_cmd 
- *	structure, and assign them to cmd->result when we're done.
- */
-#ifdef BIG_ENDIAN
-    patch_dsa_32(tmp->dsa, dsa_msgin, 1, virt_to_bus(&tmp->result) + 2);
-    patch_dsa_32(tmp->dsa, dsa_status, 0, 1);
-    patch_dsa_32(tmp->dsa, dsa_status, 1, virt_to_bus(&tmp->result) + 3);
-#else
-    patch_dsa_32(tmp->dsa, dsa_msgin, 1, virt_to_bus(&tmp->result) + 1);
-    patch_dsa_32(tmp->dsa, dsa_status, 0, 1);
-    patch_dsa_32(tmp->dsa, dsa_status, 1, virt_to_bus(&tmp->result));
-#endif
-    patch_dsa_32(tmp->dsa, dsa_msgout_other, 0, 1);
-    patch_dsa_32(tmp->dsa, dsa_msgout_other, 1, 
-	virt_to_bus(&(hostdata->NCR53c7xx_msg_nop)));
-    
-    /*
-     * Generate code for zero or more of the DATA IN, DATA OUT phases 
-     * in the format 
-     *
-     * CALL data_transfer, WHEN NOT phase
-     * MOVE first buffer length, first buffer address, WHEN phase
-     * ...
-     * MOVE last buffer length, last buffer address, WHEN phase
-     * JUMP other_transfer
-     */
-
-/* 
- * See if we're getting to data transfer by generating an unconditional 
- * interrupt.
- */
-#if 0
-    if (datain) {
-	cmd_datain[0] = 0x98080000;
-	cmd_datain[1] = 0x03ffd00d;
-	cmd_datain += 2;
-    }
-#endif
-
-/* 
- * XXX - I'm undecided whether all of this nonsense is faster
- * in the long run, or whether I should just go and implement a loop
- * on the NCR chip using table indirect mode?
- *
- * In any case, this is how it _must_ be done for 53c700/700-66 chips,
- * so this stays even when we come up with something better.
- *
- * When we're limited to 1 simultaneous command, no overlapping processing,
- * we're seeing 630K/sec, with 7% CPU usage on a slow Syquest 45M
- * drive.
- *
- * Not bad, not good. We'll see.
- */
-
-    tmp->bounce.len = 0;	/* Assume aligned buffer */
-
-    for (i = 0; cmd->use_sg ? (i < cmd->use_sg) : !i; cmd_datain += 4, 
-	cmd_dataout += 4, ++i) {
-	u32 vbuf = cmd->use_sg
-	    ? (u32)page_address(((struct scatterlist *)cmd->request_buffer)[i].page)+
-	      ((struct scatterlist *)cmd->request_buffer)[i].offset
-	    : (u32)(cmd->request_buffer);
-	u32 bbuf = virt_to_bus((void *)vbuf);
-	u32 count = cmd->use_sg ?
-	    ((struct scatterlist *)cmd->request_buffer)[i].length :
-	    cmd->request_bufflen;
-
-	/*
-	 * If we have buffers which are not aligned with 16 byte cache
-	 * lines, then we just hope nothing accesses the other parts of
-	 * those cache lines while the transfer is in progress.  That would
-	 * fill the cache, and subsequent reads of the dma data would pick
-	 * up the wrong thing.
-	 * XXX We need a bounce buffer to handle that correctly.
-	 */
-
-	if (((bbuf & 15) || (count & 15)) && (datain || dataout))
-	{
-	    /* Bounce buffer needed */
-	    if (cmd->use_sg)
-		printk ("53c7xx: Non-aligned buffer with use_sg\n");
-	    else if (datain && dataout)
-                printk ("53c7xx: Non-aligned buffer with datain && dataout\n");
-            else if (count > 256)
-		printk ("53c7xx: Non-aligned transfer > 256 bytes\n");
-	    else
-	    {
-		    if (datain)
-		    {
-			tmp->bounce.len = count;
-			tmp->bounce.addr = vbuf;
-			bbuf = virt_to_bus(tmp->bounce.buf);
-			tmp->bounce.buf[0] = 0xff;
-			tmp->bounce.buf[1] = 0xfe;
-			tmp->bounce.buf[2] = 0xfd;
-			tmp->bounce.buf[3] = 0xfc;
-	    	    }
-	    	    if (dataout)
-	    	    {
-			memcpy ((void *)tmp->bounce.buf, (void *)vbuf, count);
-			bbuf = virt_to_bus(tmp->bounce.buf);
-		    }
-	    }
-	}
-
-	if (datain) {
-            cache_clear(virt_to_phys((void *)vbuf), count);
-	    /* CALL other_in, WHEN NOT DATA_IN */  
-	    cmd_datain[0] = ((DCMD_TYPE_TCI | DCMD_TCI_OP_CALL | 
-		DCMD_TCI_IO) << 24) | 
-		DBC_TCI_WAIT_FOR_VALID | DBC_TCI_COMPARE_PHASE;
-	    cmd_datain[1] = virt_to_bus (hostdata->script) + 
-		hostdata->E_other_in;
-	    /* MOVE count, buf, WHEN DATA_IN */
-	    cmd_datain[2] = ((DCMD_TYPE_BMI | DCMD_BMI_OP_MOVE_I | DCMD_BMI_IO) 
-    	    	<< 24) | count;
-	    cmd_datain[3] = bbuf;
-#if 0
-	    print_insn (host, cmd_datain, "dynamic ", 1);
-	    print_insn (host, cmd_datain + 2, "dynamic ", 1);
-#endif
-	}
-	if (dataout) {
-            cache_push(virt_to_phys((void *)vbuf), count);
-	    /* CALL other_out, WHEN NOT DATA_OUT */
-	    cmd_dataout[0] = ((DCMD_TYPE_TCI | DCMD_TCI_OP_CALL) << 24) | 
-		DBC_TCI_WAIT_FOR_VALID | DBC_TCI_COMPARE_PHASE;
-	    cmd_dataout[1] = virt_to_bus(hostdata->script) + 
-    	    	hostdata->E_other_out;
-	    /* MOVE count, buf, WHEN DATA+OUT */
-	    cmd_dataout[2] = ((DCMD_TYPE_BMI | DCMD_BMI_OP_MOVE_I) << 24) 
-		| count;
-	    cmd_dataout[3] = bbuf;
-#if 0
-	    print_insn (host, cmd_dataout, "dynamic ", 1);
-	    print_insn (host, cmd_dataout + 2, "dynamic ", 1);
-#endif
-	}
-    }
-
-    /*
-     * Install JUMP instructions after the data transfer routines to return
-     * control to the do_other_transfer routines.
-     */
-  
-    
-    if (datain) {
-	cmd_datain[0] = ((DCMD_TYPE_TCI | DCMD_TCI_OP_JUMP) << 24) |
-    	    DBC_TCI_TRUE;
-	cmd_datain[1] = virt_to_bus(hostdata->script) + 
-    	    hostdata->E_other_transfer;
-#if 0
-	print_insn (host, cmd_datain, "dynamic jump ", 1);
-#endif
-	cmd_datain += 2; 
-    }
-#if 0
-    if (datain) {
-	cmd_datain[0] = 0x98080000;
-	cmd_datain[1] = 0x03ffdeed;
-	cmd_datain += 2;
-    }
-#endif
-    if (dataout) {
-	cmd_dataout[0] = ((DCMD_TYPE_TCI | DCMD_TCI_OP_JUMP) << 24) |
-    	    DBC_TCI_TRUE;
-	cmd_dataout[1] = virt_to_bus(hostdata->script) + 
-    	    hostdata->E_other_transfer;
-#if 0
-	print_insn (host, cmd_dataout, "dynamic jump ", 1);
-#endif
-	cmd_dataout += 2;
-    }
-
-    return tmp;
-}
-
-/*
- * Function : int NCR53c7xx_queue_command (Scsi_Cmnd *cmd,
- *      void (*done)(Scsi_Cmnd *))
- *
- * Purpose :  enqueues a SCSI command
- *
- * Inputs : cmd - SCSI command, done - function called on completion, with
- *      a pointer to the command descriptor.
- *
- * Returns : 0
- *
- * Side effects :
- *      cmd is added to the per instance driver issue_queue, with major
- *      twiddling done to the host specific fields of cmd.  If the
- *      process_issue_queue coroutine isn't running, it is restarted.
- * 
- * NOTE : we use the host_scribble field of the Scsi_Cmnd structure to 
- *	hold our own data, and pervert the ptr field of the SCp field
- *	to create a linked list.
- */
-
-int
-NCR53c7xx_queue_command (Scsi_Cmnd *cmd, void (* done)(Scsi_Cmnd *)) {
-    struct Scsi_Host *host = cmd->device->host;
-    struct NCR53c7x0_hostdata *hostdata = 
-	(struct NCR53c7x0_hostdata *) host->hostdata[0];
-    unsigned long flags;
-    Scsi_Cmnd *tmp;
-
-    cmd->scsi_done = done;
-    cmd->host_scribble = NULL;
-    cmd->SCp.ptr = NULL;
-    cmd->SCp.buffer = NULL;
-
-#ifdef VALID_IDS
-    /* Ignore commands on invalid IDs */
-    if (!hostdata->valid_ids[cmd->device->id]) {
-        printk("scsi%d : ignoring target %d lun %d\n", host->host_no,
-            cmd->device->id, cmd->device->lun);
-        cmd->result = (DID_BAD_TARGET << 16);
-        done(cmd);
-        return 0;
-    }
-#endif
-
-    local_irq_save(flags);
-    if ((hostdata->options & (OPTION_DEBUG_INIT_ONLY|OPTION_DEBUG_PROBE_ONLY)) 
-	|| ((hostdata->options & OPTION_DEBUG_TARGET_LIMIT) &&
-	    !(hostdata->debug_lun_limit[cmd->device->id] & (1 << cmd->device->lun)))
-#ifdef LINUX_1_2
-	|| cmd->device->id > 7
-#else
-	|| cmd->device->id >= host->max_id
-#endif
-	|| cmd->device->id == host->this_id
-	|| hostdata->state == STATE_DISABLED) {
-	printk("scsi%d : disabled or bad target %d lun %d\n", host->host_no,
-	    cmd->device->id, cmd->device->lun);
-	cmd->result = (DID_BAD_TARGET << 16);
-	done(cmd);
-	local_irq_restore(flags);
-	return 0;
-    }
-
-    if ((hostdata->options & OPTION_DEBUG_NCOMMANDS_LIMIT) &&
-	(hostdata->debug_count_limit == 0)) {
-	printk("scsi%d : maximum commands exceeded\n", host->host_no);
-	cmd->result = (DID_BAD_TARGET << 16);
-	done(cmd);
-	local_irq_restore(flags);
-	return 0;
-    }
-
-    if (hostdata->options & OPTION_DEBUG_READ_ONLY) {
-	switch (cmd->cmnd[0]) {
-	case WRITE_6:
-	case WRITE_10:
-	    printk("scsi%d : WRITE attempted with NO_WRITE debugging flag set\n",
-		host->host_no);
-	    cmd->result = (DID_BAD_TARGET << 16);
-	    done(cmd);
-	    local_irq_restore(flags);
-	    return 0;
-	}
-    }
-
-    if ((hostdata->options & OPTION_DEBUG_TARGET_LIMIT) &&
-	    hostdata->debug_count_limit != -1) 
-	--hostdata->debug_count_limit;
-
-    cmd->result = 0xffff;	/* The NCR will overwrite message
-				       and status with valid data */
-    cmd->host_scribble = (unsigned char *) tmp = create_cmd (cmd);
-
-    /*
-     * REQUEST SENSE commands are inserted at the head of the queue 
-     * so that we do not clear the contingent allegiance condition
-     * they may be looking at.
-     */
-
-    if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) {
-	cmd->SCp.ptr = (unsigned char *) hostdata->issue_queue;
-	hostdata->issue_queue = cmd;
-    } else {
-	for (tmp = (Scsi_Cmnd *) hostdata->issue_queue; tmp->SCp.ptr; 
-		tmp = (Scsi_Cmnd *) tmp->SCp.ptr);
-	tmp->SCp.ptr = (unsigned char *) cmd;
-    }
-    local_irq_restore(flags);
-    run_process_issue_queue();
-    return 0;
-}
-
-/*
- * Function : void to_schedule_list (struct Scsi_Host *host,
- * 	struct NCR53c7x0_hostdata * hostdata, Scsi_Cmnd *cmd)
- *
- * Purpose : takes a SCSI command which was just removed from the 
- *	issue queue, and deals with it by inserting it in the first
- *	free slot in the schedule list or by terminating it immediately.
- *
- * Inputs : 
- *	host - SCSI host adapter; hostdata - hostdata structure for 
- *	this adapter; cmd - a pointer to the command; should have 
- *	the host_scribble field initialized to point to a valid 
- *	
- * Side effects : 
- *      cmd is added to the per instance schedule list, with minor 
- *      twiddling done to the host specific fields of cmd.
- *
- */
-
-static __inline__ void
-to_schedule_list (struct Scsi_Host *host, struct NCR53c7x0_hostdata *hostdata,
-    struct NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    Scsi_Cmnd *tmp = cmd->cmd;
-    unsigned long flags;
-    /* dsa start is negative, so subtraction is used */
-    volatile u32 *ncrcurrent;
-
-    int i;
-    NCR53c7x0_local_setup(host);
-#if 0
-    printk("scsi%d : new dsa is 0x%lx (virt 0x%p)\n", host->host_no, 
-	virt_to_bus(hostdata->dsa), hostdata->dsa);
-#endif
-
-    local_irq_save(flags);
-    
-    /* 
-     * Work around race condition : if an interrupt fired and we 
-     * got disabled forget about this command.
-     */
-
-    if (hostdata->state == STATE_DISABLED) {
-	printk("scsi%d : driver disabled\n", host->host_no);
-	tmp->result = (DID_BAD_TARGET << 16);
-	cmd->next = (struct NCR53c7x0_cmd *) hostdata->free;
-	hostdata->free = cmd;
-	tmp->scsi_done(tmp);
-	local_irq_restore(flags);
-	return;
-    }
-
-    for (i = host->can_queue, ncrcurrent = hostdata->schedule; 
-	i > 0  && ncrcurrent[0] != hostdata->NOP_insn;
-	--i, ncrcurrent += 2 /* JUMP instructions are two words */);
-
-    if (i > 0) {
-	++hostdata->busy[tmp->device->id][tmp->device->lun];
-	cmd->next = hostdata->running_list;
-	hostdata->running_list = cmd;
-
-	/* Restore this instruction to a NOP once the command starts */
-	cmd->dsa [(hostdata->dsa_jump_dest - hostdata->dsa_start) / 
-	    sizeof(u32)] = (u32) virt_to_bus ((void *)ncrcurrent);
-	/* Replace the current jump operand.  */
-	ncrcurrent[1] =
-	    virt_to_bus ((void *) cmd->dsa) + hostdata->E_dsa_code_begin -
-	    hostdata->E_dsa_code_template;
-	/* Replace the NOP instruction with a JUMP */
-	ncrcurrent[0] = ((DCMD_TYPE_TCI|DCMD_TCI_OP_JUMP) << 24) |
-	    DBC_TCI_TRUE;
-    }  else {
-	printk ("scsi%d: no free slot\n", host->host_no);
-	disable(host);
-	tmp->result = (DID_ERROR << 16);
-	cmd->next = (struct NCR53c7x0_cmd *) hostdata->free;
-	hostdata->free = cmd;
-	tmp->scsi_done(tmp);
-	local_irq_restore(flags);
-	return;
-    }
-
-    /* 
-     * If the NCR chip is in an idle state, start it running the scheduler
-     * immediately.  Otherwise, signal the chip to jump to schedule as 
-     * soon as it is idle.
-     */
-
-    if (hostdata->idle) {
-	hostdata->idle = 0;
-	hostdata->state = STATE_RUNNING;
-	NCR53c7x0_write32 (DSP_REG,  virt_to_bus ((void *)hostdata->schedule));
-	if (hostdata->options & OPTION_DEBUG_TRACE)
-	    NCR53c7x0_write8 (DCNTL_REG, hostdata->saved_dcntl |
-				DCNTL_SSM | DCNTL_STD);
-    } else {
-	NCR53c7x0_write8(hostdata->istat, ISTAT_10_SIGP);
-    }
-
-    local_irq_restore(flags);
-}
-
-/*
- * Function : busyp (struct Scsi_Host *host, struct NCR53c7x0_hostdata 
- *	*hostdata, Scsi_Cmnd *cmd)
- *
- * Purpose : decide if we can pass the given SCSI command on to the 
- *	device in question or not.
- *  
- * Returns : non-zero when we're busy, 0 when we aren't.
- */
-
-static __inline__ int
-busyp (struct Scsi_Host *host, struct NCR53c7x0_hostdata *hostdata, 
-    Scsi_Cmnd *cmd) {
-    /* FIXME : in the future, this needs to accommodate SCSI-II tagged
-       queuing, and we may be able to play with fairness here a bit.
-     */
-    return hostdata->busy[cmd->device->id][cmd->device->lun];
-}
-
-/*
- * Function : process_issue_queue (void)
- *
- * Purpose : transfer commands from the issue queue to NCR start queue 
- *	of each NCR53c7/8xx in the system, avoiding kernel stack 
- *	overflows when the scsi_done() function is invoked recursively.
- * 
- * NOTE : process_issue_queue exits with interrupts *disabled*, so the 
- *	caller must reenable them if it desires.
- * 
- * NOTE : process_issue_queue should be called from both 
- *	NCR53c7x0_queue_command() and from the interrupt handler 
- *	after command completion in case NCR53c7x0_queue_command()
- * 	isn't invoked again but we've freed up resources that are
- *	needed.
- */
-
-static void 
-process_issue_queue (unsigned long flags) {
-    Scsi_Cmnd *tmp, *prev;
-    struct Scsi_Host *host;
-    struct NCR53c7x0_hostdata *hostdata;
-    int done;
-
-    /*
-     * We run (with interrupts disabled) until we're sure that none of 
-     * the host adapters have anything that can be done, at which point 
-     * we set process_issue_queue_running to 0 and exit.
-     *
-     * Interrupts are enabled before doing various other internal 
-     * instructions, after we've decided that we need to run through
-     * the loop again.
-     *
-     */
-
-    do {
-	local_irq_disable(); /* Freeze request queues */
-	done = 1;
-	for (host = first_host; host && host->hostt == the_template;
-	    host = host->next) {
-	    hostdata = (struct NCR53c7x0_hostdata *) host->hostdata[0];
-	    local_irq_disable();
-	    if (hostdata->issue_queue) {
-	    	if (hostdata->state == STATE_DISABLED) {
-		    tmp = (Scsi_Cmnd *) hostdata->issue_queue;
-		    hostdata->issue_queue = (Scsi_Cmnd *) tmp->SCp.ptr;
-		    tmp->result = (DID_BAD_TARGET << 16);
-		    if (tmp->host_scribble) {
-			((struct NCR53c7x0_cmd *)tmp->host_scribble)->next = 
-			    hostdata->free;
-			hostdata->free = 
-			    (struct NCR53c7x0_cmd *)tmp->host_scribble;
-			tmp->host_scribble = NULL;
-		    }
-		    tmp->scsi_done (tmp);
-		    done = 0;
-		} else 
-		    for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, 
-			prev = NULL; tmp; prev = tmp, tmp = (Scsi_Cmnd *) 
-			tmp->SCp.ptr) 
-			if (!tmp->host_scribble || 
-			    !busyp (host, hostdata, tmp)) {
-				if (prev)
-				    prev->SCp.ptr = tmp->SCp.ptr;
-				else
-				    hostdata->issue_queue = (Scsi_Cmnd *) 
-					tmp->SCp.ptr;
-			    tmp->SCp.ptr = NULL;
-			    if (tmp->host_scribble) {
-				if (hostdata->options & OPTION_DEBUG_QUEUES) 
-				    printk ("scsi%d : moving command for target %d lun %d to start list\n",
-					host->host_no, tmp->device->id, tmp->device->lun);
-		
-
-			    	to_schedule_list (host, hostdata, 
-				    (struct NCR53c7x0_cmd *)
-				    tmp->host_scribble);
-			    } else {
-				if (((tmp->result & 0xff) == 0xff) ||
-			    	    ((tmp->result & 0xff00) == 0xff00)) {
-				    printk ("scsi%d : danger Will Robinson!\n",
-					host->host_no);
-				    tmp->result = DID_ERROR << 16;
-				    disable (host);
-				}
-				tmp->scsi_done(tmp);
-			    }
-			    done = 0;
-			} /* if target/lun is not busy */
-	    } /* if hostdata->issue_queue */
-	    if (!done)
-		local_irq_restore(flags);
-    	} /* for host */
-    } while (!done);
-    process_issue_queue_running = 0;
-}
-
-/*
- * Function : static void intr_scsi (struct Scsi_Host *host, 
- * 	struct NCR53c7x0_cmd *cmd)
- *
- * Purpose : handle all SCSI interrupts, indicated by the setting 
- * 	of the SIP bit in the ISTAT register.
- *
- * Inputs : host, cmd - host and NCR command causing the interrupt, cmd
- * 	may be NULL.
- */
-
-static void 
-intr_scsi (struct Scsi_Host *host, struct NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = 
-    	(struct NCR53c7x0_hostdata *) host->hostdata[0];
-    unsigned char sstat0_sist0, sist1, 		/* Registers */
-	    fatal; 				/* Did a fatal interrupt 
-						   occur ? */
-   
-    NCR53c7x0_local_setup(host);
-
-    fatal = 0;
-
-    sstat0_sist0 = NCR53c7x0_read8(SSTAT0_REG);
-    sist1 = 0;
-
-    if (hostdata->options & OPTION_DEBUG_INTR) 
-	printk ("scsi%d : SIST0 0x%0x, SIST1 0x%0x\n", host->host_no,
-	    sstat0_sist0, sist1);
-
-    /* 250ms selection timeout */
-    if (sstat0_sist0 & SSTAT0_700_STO) {
-	fatal = 1;
-	if (hostdata->options & OPTION_DEBUG_INTR) {
-	    printk ("scsi%d : Selection Timeout\n", host->host_no);
-    	    if (cmd) {
-    	    	printk("scsi%d : target %d, lun %d, command ",
-		    host->host_no, cmd->cmd->device->id, cmd->cmd->device->lun);
-    	    	__scsi_print_command (cmd->cmd->cmnd);
-		printk("scsi%d : dsp = 0x%x (virt 0x%p)\n", host->host_no,
-		    NCR53c7x0_read32(DSP_REG),
-		    bus_to_virt(NCR53c7x0_read32(DSP_REG)));
-    	    } else {
-    	    	printk("scsi%d : no command\n", host->host_no);
-    	    }
-    	}
-/*
- * XXX - question : how do we want to handle the Illegal Instruction
- * 	interrupt, which may occur before or after the Selection Timeout
- * 	interrupt?
- */
-
-	if (1) {
-	    hostdata->idle = 1;
-	    hostdata->expecting_sto = 0;
-
-	    if (hostdata->test_running) {
-		hostdata->test_running = 0;
-		hostdata->test_completed = 3;
-	    } else if (cmd) {
-		abnormal_finished(cmd, DID_BAD_TARGET << 16);
-	    }
-#if 0	    
-	    hostdata->intrs = 0;
-#endif
-	}
-    } 
-
-/*
- * FIXME : in theory, we can also get a UDC when a STO occurs.
- */
-    if (sstat0_sist0 & SSTAT0_UDC) {
-	fatal = 1;
-	if (cmd) {
-	    printk("scsi%d : target %d lun %d unexpected disconnect\n",
-		host->host_no, cmd->cmd->device->id, cmd->cmd->device->lun);
-	    print_lots (host);
-	    abnormal_finished(cmd, DID_ERROR << 16);
-	} else 
-	     printk("scsi%d : unexpected disconnect (no command)\n",
-		host->host_no);
-
-	hostdata->dsp = (u32 *) hostdata->schedule;
-	hostdata->dsp_changed = 1;
-    }
-
-    /* SCSI PARITY error */
-    if (sstat0_sist0 & SSTAT0_PAR) {
-	fatal = 1;
-	if (cmd && cmd->cmd) {
-	    printk("scsi%d : target %d lun %d parity error.\n",
-		host->host_no, cmd->cmd->device->id, cmd->cmd->device->lun);
-	    abnormal_finished (cmd, DID_PARITY << 16); 
-	} else
-	    printk("scsi%d : parity error\n", host->host_no);
-	/* Should send message out, parity error */
-
-	/* XXX - Reduce synchronous transfer rate! */
-	hostdata->dsp = hostdata->script + hostdata->E_initiator_abort /
-    	    sizeof(u32);
-	hostdata->dsp_changed = 1; 
-    /* SCSI GROSS error */
-    } 
-
-    if (sstat0_sist0 & SSTAT0_SGE) {
-	fatal = 1;
-	printk("scsi%d : gross error, saved2_dsa = 0x%x\n", host->host_no,
-					(unsigned int)hostdata->saved2_dsa);
-	print_lots (host);
-	
-	/* 
-         * A SCSI gross error may occur when we have 
-	 *
-	 * - A synchronous offset which causes the SCSI FIFO to be overwritten.
-	 *
-	 * - A REQ which causes the maximum synchronous offset programmed in 
-	 * 	the SXFER register to be exceeded.
-	 *
-	 * - A phase change with an outstanding synchronous offset.
-	 *
-	 * - Residual data in the synchronous data FIFO, with a transfer
-	 *	other than a synchronous receive is started.$#
-	 */
-		
-
-	/* XXX Should deduce synchronous transfer rate! */
-	hostdata->dsp = hostdata->script + hostdata->E_initiator_abort /
-    	    sizeof(u32);
-	hostdata->dsp_changed = 1;
-    /* Phase mismatch */
-    } 
-
-    if (sstat0_sist0 & SSTAT0_MA) {
-	fatal = 1;
-	if (hostdata->options & OPTION_DEBUG_INTR)
-	    printk ("scsi%d : SSTAT0_MA\n", host->host_no);
-	intr_phase_mismatch (host, cmd);
-    }
-
-#if 0
-    if (sstat0_sist0 & SIST0_800_RSL) 
-	printk ("scsi%d : Oh no Mr. Bill!\n", host->host_no);
-#endif
-    
-/*
- * If a fatal SCSI interrupt occurs, we must insure that the DMA and
- * SCSI FIFOs were flushed.
- */
-
-    if (fatal) {
-	if (!hostdata->dstat_valid) {
-	    hostdata->dstat = NCR53c7x0_read8(DSTAT_REG);
-	    hostdata->dstat_valid = 1;
-	}
-
-	if (!(hostdata->dstat & DSTAT_DFE)) {
-	  printk ("scsi%d : DMA FIFO not empty\n", host->host_no);
-	  /*
-	   * Really need to check this code for 710  RGH.
-	   * Havn't seen any problems, but maybe we should FLUSH before
-	   * clearing sometimes.
-	   */
-          NCR53c7x0_write8 (CTEST8_REG, CTEST8_10_CLF);
-          while (NCR53c7x0_read8 (CTEST8_REG) & CTEST8_10_CLF)
-		;
-	  hostdata->dstat |= DSTAT_DFE;
-    	}
-    }
-}
-
-#ifdef CYCLIC_TRACE
-
-/*
- * The following implements a cyclic log of instructions executed, if you turn
- * TRACE on.  It will also print the log for you.  Very useful when debugging
- * 53c710 support, possibly not really needed any more.
- */
-
-u32 insn_log[4096];
-u32 insn_log_index = 0;
-
-void log1 (u32 i)
-{
-	insn_log[insn_log_index++] = i;
-	if (insn_log_index == 4096)
-		insn_log_index = 0;
-}
-
-void log_insn (u32 *ip)
-{
-	log1 ((u32)ip);
-	log1 (*ip);
-	log1 (*(ip+1));
-	if (((*ip >> 24) & DCMD_TYPE_MASK) == DCMD_TYPE_MMI)
-		log1 (*(ip+2));
-}
-
-void dump_log(void)
-{
-	int cnt = 0;
-	int i = insn_log_index;
-	int size;
-	struct Scsi_Host *host = first_host;
-
-	while (cnt < 4096) {
-		printk ("%08x (+%6x): ", insn_log[i], (insn_log[i] - (u32)&(((struct NCR53c7x0_hostdata *)host->hostdata[0])->script))/4);
-		if (++i == 4096)
-			i = 0;
-		cnt++;
-		if (((insn_log[i]  >> 24) & DCMD_TYPE_MASK) == DCMD_TYPE_MMI) 
-			size = 3;
-		else
-			size = 2;
-		while (size--) {
-			printk ("%08x ", insn_log[i]);
-			if (++i == 4096)
-				i = 0;
-			cnt++;
-		}
-		printk ("\n");
-	}
-}
-#endif
-
-
-/*
- * Function : static void NCR53c7x0_intfly (struct Scsi_Host *host)
- *
- * Purpose : Scan command queue for specified host, looking for completed
- *           commands.
- * 
- * Inputs : Scsi_Host pointer.
- *
- * 	This is called from the interrupt handler, when a simulated INTFLY
- * 	interrupt occurs.
- */
-
-static void
-NCR53c7x0_intfly (struct Scsi_Host *host)
-{
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata;	/* host->hostdata[0] */
-    struct NCR53c7x0_cmd *cmd,			/* command which halted */
-	**cmd_prev_ptr;
-    unsigned long flags;				
-    char search_found = 0;			/* Got at least one ? */
-
-    hostdata = (struct NCR53c7x0_hostdata *) host->hostdata[0];
-    NCR53c7x0_local_setup(host);
-
-    if (hostdata->options & OPTION_DEBUG_INTR)
-    printk ("scsi%d : INTFLY\n", host->host_no); 
-
-    /*
-    * Traverse our list of running commands, and look
-    * for those with valid (non-0xff ff) status and message
-    * bytes encoded in the result which signify command
-    * completion.
-    */
-
-    local_irq_save(flags);
-restart:
-    for (cmd_prev_ptr = (struct NCR53c7x0_cmd **)&(hostdata->running_list),
-	cmd = (struct NCR53c7x0_cmd *) hostdata->running_list; cmd ;
-	cmd_prev_ptr = (struct NCR53c7x0_cmd **) &(cmd->next), 
-    	cmd = (struct NCR53c7x0_cmd *) cmd->next)
-    {
-	Scsi_Cmnd *tmp;
-
-	if (!cmd) {
-	    printk("scsi%d : very weird.\n", host->host_no);
-	    break;
-	}
-
-	if (!(tmp = cmd->cmd)) {
-	    printk("scsi%d : weird.  NCR53c7x0_cmd has no Scsi_Cmnd\n",
-		    host->host_no);
-	    continue;
-	}
-	/* Copy the result over now; may not be complete,
-	 * but subsequent tests may as well be done on
-	 * cached memory.
-	 */
-	tmp->result = cmd->result;
-
-	if (((tmp->result & 0xff) == 0xff) ||
-			    ((tmp->result & 0xff00) == 0xff00))
-	    continue;
-
-	search_found = 1;
-
-	if (cmd->bounce.len)
-	    memcpy ((void *)cmd->bounce.addr,
-				(void *)cmd->bounce.buf, cmd->bounce.len);
-
-	/* Important - remove from list _before_ done is called */
-	if (cmd_prev_ptr)
-	    *cmd_prev_ptr = (struct NCR53c7x0_cmd *) cmd->next;
-
-	--hostdata->busy[tmp->device->id][tmp->device->lun];
-	cmd->next = hostdata->free;
-	hostdata->free = cmd;
-
-	tmp->host_scribble = NULL;
-
-	if (hostdata->options & OPTION_DEBUG_INTR) {
-	    printk ("scsi%d : command complete : pid %lu, id %d,lun %d result 0x%x ", 
-		  host->host_no, tmp->pid, tmp->device->id, tmp->device->lun, tmp->result);
-	    __scsi_print_command (tmp->cmnd);
-	}
-
-	tmp->scsi_done(tmp);
-	goto restart;
-    }
-    local_irq_restore(flags);
-
-    if (!search_found)  {
-	printk ("scsi%d : WARNING : INTFLY with no completed commands.\n",
-			    host->host_no);
-    } else {
-	run_process_issue_queue();
-    }
-    return;
-}
-
-/*
- * Function : static irqreturn_t NCR53c7x0_intr (int irq, void *dev_id)
- *
- * Purpose : handle NCR53c7x0 interrupts for all NCR devices sharing
- *	the same IRQ line.  
- * 
- * Inputs : Since we're using the IRQF_DISABLED interrupt handler
- *	semantics, irq indicates the interrupt which invoked 
- *	this handler.  
- *
- * On the 710 we simualte an INTFLY with a script interrupt, and the
- * script interrupt handler will call back to this function.
- */
-
-static irqreturn_t
-NCR53c7x0_intr (int irq, void *dev_id)
-{
-    NCR53c7x0_local_declare();
-    struct Scsi_Host *host;			/* Host we are looking at */
-    unsigned char istat; 			/* Values of interrupt regs */
-    struct NCR53c7x0_hostdata *hostdata;	/* host->hostdata[0] */
-    struct NCR53c7x0_cmd *cmd;			/* command which halted */
-    u32 *dsa;					/* DSA */
-    int handled = 0;
-
-#ifdef NCR_DEBUG
-    char buf[80];				/* Debugging sprintf buffer */
-    size_t buflen;				/* Length of same */
-#endif
-
-    host     = (struct Scsi_Host *)dev_id;
-    hostdata = (struct NCR53c7x0_hostdata *) host->hostdata[0];
-    NCR53c7x0_local_setup(host);
-
-    /*
-     * Only read istat once per loop, since reading it again will unstack
-     * interrupts
-     */
-
-    while ((istat = NCR53c7x0_read8(hostdata->istat)) & (ISTAT_SIP|ISTAT_DIP)) {
-	handled = 1;
-	hostdata->dsp_changed = 0;
-	hostdata->dstat_valid = 0;
-    	hostdata->state = STATE_HALTED;
-
-	if (NCR53c7x0_read8 (SSTAT2_REG) & SSTAT2_FF_MASK) 
-	    printk ("scsi%d : SCSI FIFO not empty\n", host->host_no);
-
-	/*
-	 * NCR53c700 and NCR53c700-66 change the current SCSI
-	 * process, hostdata->ncrcurrent, in the Linux driver so
-	 * cmd = hostdata->ncrcurrent.
-	 *
-	 * With other chips, we must look through the commands
-	 * executing and find the command structure which 
-	 * corresponds to the DSA register.
-	 */
-
-	if (hostdata->options & OPTION_700) {
-	    cmd = (struct NCR53c7x0_cmd *) hostdata->ncrcurrent;
-	} else {
-	    dsa = bus_to_virt(NCR53c7x0_read32(DSA_REG));
-	    for (cmd = (struct NCR53c7x0_cmd *) hostdata->running_list;
-		cmd && (dsa + (hostdata->dsa_start / sizeof(u32))) != cmd->dsa;
-		    cmd = (struct NCR53c7x0_cmd *)(cmd->next))
-		;
-	}
-	if (hostdata->options & OPTION_DEBUG_INTR) {
-	    if (cmd) {
-		printk("scsi%d : interrupt for pid %lu, id %d, lun %d ", 
-		    host->host_no, cmd->cmd->pid, (int) cmd->cmd->device->id,
-		    (int) cmd->cmd->device->lun);
-		__scsi_print_command (cmd->cmd->cmnd);
-	    } else {
-		printk("scsi%d : no active command\n", host->host_no);
-	    }
-	}
-	
-	if (istat & ISTAT_SIP) {
-	    if (hostdata->options & OPTION_DEBUG_INTR) 
-		printk ("scsi%d : ISTAT_SIP\n", host->host_no);
-	    intr_scsi (host, cmd);
-	}
-	
-	if (istat & ISTAT_DIP) {
-	    if (hostdata->options & OPTION_DEBUG_INTR) 
-		printk ("scsi%d : ISTAT_DIP\n", host->host_no);
-	    intr_dma (host, cmd);
-	}
-	
-	if (!hostdata->dstat_valid) {
-	    hostdata->dstat = NCR53c7x0_read8(DSTAT_REG);
-	    hostdata->dstat_valid = 1;
-	}
-	
-	if (!(hostdata->dstat & DSTAT_DFE)) {
-	    printk ("scsi%d : DMA FIFO not empty\n", host->host_no);
-	    /* Really need to check this out for 710 RGH */
-	    NCR53c7x0_write8 (CTEST8_REG, CTEST8_10_CLF);
-	    while (NCR53c7x0_read8 (CTEST8_REG) & CTEST8_10_CLF)
-		;
-	    hostdata->dstat |= DSTAT_DFE;
-	}
-
-	if (!hostdata->idle && hostdata->state == STATE_HALTED) {
-	    if (!hostdata->dsp_changed)
-		hostdata->dsp = (u32 *)bus_to_virt(NCR53c7x0_read32(DSP_REG));
-#if 0
-	    printk("scsi%d : new dsp is 0x%lx (virt 0x%p)\n",
-		host->host_no,  virt_to_bus(hostdata->dsp), hostdata->dsp);
-#endif
-		
-	    hostdata->state = STATE_RUNNING;
-	    NCR53c7x0_write32 (DSP_REG, virt_to_bus(hostdata->dsp));
-	    if (hostdata->options & OPTION_DEBUG_TRACE) {
-#ifdef CYCLIC_TRACE
-		log_insn (hostdata->dsp);
-#else
-	    	print_insn (host, hostdata->dsp, "t ", 1);
-#endif
-		NCR53c7x0_write8 (DCNTL_REG,
-			hostdata->saved_dcntl | DCNTL_SSM | DCNTL_STD);
-	    }
-	}
-    }
-    return IRQ_HANDLED;
-}
-
-
-/* 
- * Function : static int abort_connected (struct Scsi_Host *host)
- *
- * Purpose : Assuming that the NCR SCSI processor is currently 
- * 	halted, break the currently established nexus.  Clean
- *	up of the NCR53c7x0_cmd and Scsi_Cmnd structures should
- *	be done on receipt of the abort interrupt.
- *
- * Inputs : host - SCSI host
- *
- */
-
-static int 
-abort_connected (struct Scsi_Host *host) {
-#ifdef NEW_ABORT
-    NCR53c7x0_local_declare();
-#endif
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-/* FIXME : this probably should change for production kernels; at the 
-   least, counter should move to a per-host structure. */
-    static int counter = 5;
-#ifdef NEW_ABORT
-    int sstat, phase, offset;
-    u32 *script;
-    NCR53c7x0_local_setup(host);
-#endif
-
-    if (--counter <= 0) {
-	disable(host);
-	return 0;
-    }
-
-    printk ("scsi%d : DANGER : abort_connected() called \n",
-	host->host_no);
-
-#ifdef NEW_ABORT
-
-/*
- * New strategy : Rather than using a generic abort routine,
- * we'll specifically try to source or sink the appropriate
- * amount of data for the phase we're currently in (taking into 
- * account the current synchronous offset) 
- */
-
-    sstat = NCR53c8x0_read8 (SSTAT2_REG);
-    offset = OFFSET (sstat & SSTAT2_FF_MASK) >> SSTAT2_FF_SHIFT;
-    phase = sstat & SSTAT2_PHASE_MASK;
-
-/*
- * SET ATN
- * MOVE source_or_sink, WHEN CURRENT PHASE 
- * < repeat for each outstanding byte >
- * JUMP send_abort_message
- */
-
-    script = hostdata->abort_script = kmalloc (
-	8  /* instruction size */ * (
-	    1 /* set ATN */ +
-	    (!offset ? 1 : offset) /* One transfer per outstanding byte */ +
-	    1 /* send abort message */),
-	GFP_ATOMIC);
-
-
-#else /* def NEW_ABORT */
-    hostdata->dsp = hostdata->script + hostdata->E_initiator_abort /
-	    sizeof(u32);
-#endif /* def NEW_ABORT */
-    hostdata->dsp_changed = 1;
-
-/* XXX - need to flag the command as aborted after the abort_connected
- 	 code runs 
- */
-    return 0;
-}
-
-/*
- * Function : static int datapath_residual (Scsi_Host *host)
- *
- * Purpose : return residual data count of what's in the chip.
- *
- * Inputs : host - SCSI host
- */
-
-static int
-datapath_residual (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    int count, synchronous, sstat;
-    unsigned int ddir;
-
-    NCR53c7x0_local_setup(host);
-    /* COMPAT : the 700 and 700-66 need to use DFIFO_00_BO_MASK */
-    count = ((NCR53c7x0_read8 (DFIFO_REG) & DFIFO_10_BO_MASK) -
-	(NCR53c7x0_read32 (DBC_REG) & DFIFO_10_BO_MASK)) & DFIFO_10_BO_MASK;
-    synchronous = NCR53c7x0_read8 (SXFER_REG) & SXFER_MO_MASK;
-    /* COMPAT : DDIR is elsewhere on non-'8xx chips. */
-    ddir = NCR53c7x0_read8 (CTEST0_REG_700) & CTEST0_700_DDIR;
-
-    if (ddir) {
-    /* Receive */
-	if (synchronous) 
-	    count += (NCR53c7x0_read8 (SSTAT2_REG) & SSTAT2_FF_MASK) >> SSTAT2_FF_SHIFT;
-	else
-	    if (NCR53c7x0_read8 (SSTAT1_REG) & SSTAT1_ILF)
-		++count;
-    } else {
-    /* Send */
-	sstat = NCR53c7x0_read8 (SSTAT1_REG);
-	if (sstat & SSTAT1_OLF)
-	    ++count;
-	if (synchronous && (sstat & SSTAT1_ORF))
-	    ++count;
-    }
-    return count;
-}
-
-/* 
- * Function : static const char * sbcl_to_phase (int sbcl)_
- *
- * Purpose : Convert SBCL register to user-parsable phase representation
- *
- * Inputs : sbcl - value of sbcl register
- */
-
-
-static const char *
-sbcl_to_phase (int sbcl) {
-    switch (sbcl & SBCL_PHASE_MASK) {
-    case SBCL_PHASE_DATAIN:
-	return "DATAIN";
-    case SBCL_PHASE_DATAOUT:
-	return "DATAOUT";
-    case SBCL_PHASE_MSGIN:
-	return "MSGIN";
-    case SBCL_PHASE_MSGOUT:
-	return "MSGOUT";
-    case SBCL_PHASE_CMDOUT:
-	return "CMDOUT";
-    case SBCL_PHASE_STATIN:
-	return "STATUSIN";
-    default:
-	return "unknown";
-    }
-}
-
-/* 
- * Function : static const char * sstat2_to_phase (int sstat)_
- *
- * Purpose : Convert SSTAT2 register to user-parsable phase representation
- *
- * Inputs : sstat - value of sstat register
- */
-
-
-static const char *
-sstat2_to_phase (int sstat) {
-    switch (sstat & SSTAT2_PHASE_MASK) {
-    case SSTAT2_PHASE_DATAIN:
-	return "DATAIN";
-    case SSTAT2_PHASE_DATAOUT:
-	return "DATAOUT";
-    case SSTAT2_PHASE_MSGIN:
-	return "MSGIN";
-    case SSTAT2_PHASE_MSGOUT:
-	return "MSGOUT";
-    case SSTAT2_PHASE_CMDOUT:
-	return "CMDOUT";
-    case SSTAT2_PHASE_STATIN:
-	return "STATUSIN";
-    default:
-	return "unknown";
-    }
-}
-
-/* 
- * Function : static void intr_phase_mismatch (struct Scsi_Host *host, 
- *	struct NCR53c7x0_cmd *cmd)
- *
- * Purpose : Handle phase mismatch interrupts
- *
- * Inputs : host, cmd - host and NCR command causing the interrupt, cmd
- * 	may be NULL.
- *
- * Side effects : The abort_connected() routine is called or the NCR chip 
- *	is restarted, jumping to the command_complete entry point, or 
- *	patching the address and transfer count of the current instruction 
- *	and calling the msg_in entry point as appropriate.
- */
-
-static void 
-intr_phase_mismatch (struct Scsi_Host *host, struct NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    u32 dbc_dcmd, *dsp, *dsp_next;
-    unsigned char dcmd, sbcl;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-    	host->hostdata[0];
-    int residual;
-    enum {ACTION_ABORT, ACTION_ABORT_PRINT, ACTION_CONTINUE} action = 
-	ACTION_ABORT_PRINT;
-    const char *where = NULL;
-
-    NCR53c7x0_local_setup(host);
-
-    /*
-     * Corrective action is based on where in the SCSI SCRIPT(tm) the error 
-     * occurred, as well as which SCSI phase we are currently in.
-     */
-    dsp_next = bus_to_virt(NCR53c7x0_read32(DSP_REG));
-
-    /* 
-     * Fetch the current instruction, and remove the operands for easier 
-     * interpretation.
-     */
-    dbc_dcmd = NCR53c7x0_read32(DBC_REG);
-    dcmd = (dbc_dcmd & 0xff000000) >> 24;
-    /*
-     * Like other processors, the NCR adjusts the instruction pointer before
-     * instruction decode.  Set the DSP address back to what it should
-     * be for this instruction based on its size (2 or 3 32 bit words).
-     */
-    dsp = dsp_next - NCR53c7x0_insn_size(dcmd);
-
-
-    /*
-     * Read new SCSI phase from the SBCL lines.  Since all of our code uses 
-     * a WHEN conditional instead of an IF conditional, we don't need to 
-     * wait for a new REQ.
-     */
-    sbcl = NCR53c7x0_read8(SBCL_REG) & SBCL_PHASE_MASK;
-
-    if (!cmd) {
-	action = ACTION_ABORT_PRINT;
-	where = "no current command";
-    /*
-     * The way my SCSI SCRIPTS(tm) are architected, recoverable phase
-     * mismatches should only occur where we're doing a multi-byte  
-     * BMI instruction.  Specifically, this means 
-     *
-     *  - select messages (a SCSI-I target may ignore additional messages
-     * 		after the IDENTIFY; any target may reject a SDTR or WDTR)
-     *
-     *  - command out (targets may send a message to signal an error 
-     * 		condition, or go into STATUSIN after they've decided 
-     *		they don't like the command.
-     *
-     *	- reply_message (targets may reject a multi-byte message in the 
-     *		middle)
-     *
-     * 	- data transfer routines (command completion with buffer space
-     *		left, disconnect message, or error message)
-     */
-    } else if (((dsp >= cmd->data_transfer_start && 
-	dsp < cmd->data_transfer_end)) || dsp == (cmd->residual + 2)) {
-	if ((dcmd & (DCMD_TYPE_MASK|DCMD_BMI_OP_MASK|DCMD_BMI_INDIRECT|
-		DCMD_BMI_MSG|DCMD_BMI_CD)) == (DCMD_TYPE_BMI|
-		DCMD_BMI_OP_MOVE_I)) {
-	    residual = datapath_residual (host);
-	    if (hostdata->options & OPTION_DEBUG_DISCONNECT)
-	    	printk ("scsi%d : handling residual transfer (+ %d bytes from DMA FIFO)\n", 
-		    host->host_no, residual);
-
-	    /*
-	     * The first instruction is a CALL to the alternate handler for 
-	     * this data transfer phase, so we can do calls to 
-	     * munge_msg_restart as we would if control were passed 
-	     * from normal dynamic code.
-	     */
-	    if (dsp != cmd->residual + 2) {
-		cmd->residual[0] = ((DCMD_TYPE_TCI | DCMD_TCI_OP_CALL |
-			((dcmd & DCMD_BMI_IO) ? DCMD_TCI_IO : 0)) << 24) | 
-		    DBC_TCI_WAIT_FOR_VALID | DBC_TCI_COMPARE_PHASE;
-		cmd->residual[1] = virt_to_bus(hostdata->script)
-		    + ((dcmd & DCMD_BMI_IO)
-		       ? hostdata->E_other_in : hostdata->E_other_out);
-	    }
-
-	    /*
-	     * The second instruction is the a data transfer block
-	     * move instruction, reflecting the pointer and count at the 
-	     * time of the phase mismatch.
-	     */
-	    cmd->residual[2] = dbc_dcmd + residual;
-	    cmd->residual[3] = NCR53c7x0_read32(DNAD_REG) - residual;
-
-	    /*
-	     * The third and final instruction is a jump to the instruction
-	     * which follows the instruction which had to be 'split'
-	     */
-	    if (dsp != cmd->residual + 2) {
-		cmd->residual[4] = ((DCMD_TYPE_TCI|DCMD_TCI_OP_JUMP) 
-		    << 24) | DBC_TCI_TRUE;
-		cmd->residual[5] = virt_to_bus(dsp_next);
-	    }
-
-	    /*
-	     * For the sake of simplicity, transfer control to the 
-	     * conditional CALL at the start of the residual buffer.
-	     */
-	    hostdata->dsp = cmd->residual;
-	    hostdata->dsp_changed = 1;
-	    action = ACTION_CONTINUE;
-	} else {
-	    where = "non-BMI dynamic DSA code";
-	    action = ACTION_ABORT_PRINT;
-	}
-    } else if (dsp == (hostdata->script + hostdata->E_select_msgout / 4 + 2)) {
-	/* RGH 290697:  Added +2 above, to compensate for the script
-	 * instruction which disables the selection timer. */
-	/* Release ATN */
-	NCR53c7x0_write8 (SOCL_REG, 0);
-	switch (sbcl) {
-    /* 
-     * Some devices (SQ555 come to mind) grab the IDENTIFY message
-     * sent on selection, and decide to go into COMMAND OUT phase
-     * rather than accepting the rest of the messages or rejecting
-     * them.  Handle these devices gracefully.
-     */
-	case SBCL_PHASE_CMDOUT:
-	    hostdata->dsp = dsp + 2 /* two _words_ */;
-	    hostdata->dsp_changed = 1;
-	    printk ("scsi%d : target %d ignored SDTR and went into COMMAND OUT\n", 
-		host->host_no, cmd->cmd->device->id);
-	    cmd->flags &= ~CMD_FLAG_SDTR;
-	    action = ACTION_CONTINUE;
-	    break;
-	case SBCL_PHASE_MSGIN:
-	    hostdata->dsp = hostdata->script + hostdata->E_msg_in / 
-		sizeof(u32);
-	    hostdata->dsp_changed = 1;
-	    action = ACTION_CONTINUE;
-	    break;
-	default:
-	    where="select message out";
-	    action = ACTION_ABORT_PRINT;
-	}
-    /*
-     * Some SCSI devices will interpret a command as they read the bytes
-     * off the SCSI bus, and may decide that the command is Bogus before 
-     * they've read the entire command off the bus.
-     */
-    } else if (dsp == hostdata->script + hostdata->E_cmdout_cmdout / sizeof 
-	(u32)) {
-	hostdata->dsp = hostdata->script + hostdata->E_data_transfer /
-	    sizeof (u32);
-	hostdata->dsp_changed = 1;
-	action = ACTION_CONTINUE;
-    /* FIXME : we need to handle message reject, etc. within msg_respond. */
-#ifdef notyet
-    } else if (dsp == hostdata->script + hostdata->E_reply_message) {
-	switch (sbcl) {
-    /* Any other phase mismatches abort the currently executing command.  */
-#endif
-    } else {
-	where = "unknown location";
-	action = ACTION_ABORT_PRINT;
-    }
-
-    /* Flush DMA FIFO */
-    if (!hostdata->dstat_valid) {
-	hostdata->dstat = NCR53c7x0_read8(DSTAT_REG);
-	hostdata->dstat_valid = 1;
-    }
-    if (!(hostdata->dstat & DSTAT_DFE)) {
-      /* Really need to check this out for 710 RGH */
-      NCR53c7x0_write8 (CTEST8_REG, CTEST8_10_CLF);
-      while (NCR53c7x0_read8 (CTEST8_REG) & CTEST8_10_CLF);
-      hostdata->dstat |= DSTAT_DFE;
-    }
-
-    switch (action) {
-    case ACTION_ABORT_PRINT:
-	printk("scsi%d : %s : unexpected phase %s.\n",
-	     host->host_no, where ? where : "unknown location", 
-	     sbcl_to_phase(sbcl));
-	print_lots (host);
-    /* Fall through to ACTION_ABORT */
-    case ACTION_ABORT:
-	abort_connected (host);
-	break;
-    case ACTION_CONTINUE:
-	break;
-    }
-
-#if 0
-    if (hostdata->dsp_changed) {
-	printk("scsi%d: new dsp 0x%p\n", host->host_no, hostdata->dsp);
-	print_insn (host, hostdata->dsp, "", 1);
-    }
-#endif
-}
-
-/*
- * Function : static void intr_bf (struct Scsi_Host *host, 
- * 	struct NCR53c7x0_cmd *cmd)
- *
- * Purpose : handle BUS FAULT interrupts 
- *
- * Inputs : host, cmd - host and NCR command causing the interrupt, cmd
- * 	may be NULL.
- */
-
-static void
-intr_bf (struct Scsi_Host *host, struct NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    u32 *dsp,
-	*next_dsp,		/* Current dsp */
-    	*dsa,
-	dbc_dcmd;		/* DCMD (high eight bits) + DBC */
-    char *reason = NULL;
-    /* Default behavior is for a silent error, with a retry until we've
-       exhausted retries. */
-    enum {MAYBE, ALWAYS, NEVER} retry = MAYBE;
-    int report = 0;
-    NCR53c7x0_local_setup(host);
-
-    dbc_dcmd = NCR53c7x0_read32 (DBC_REG);
-    next_dsp = bus_to_virt (NCR53c7x0_read32(DSP_REG));
-    dsp = next_dsp - NCR53c7x0_insn_size ((dbc_dcmd >> 24) & 0xff);
-/* FIXME - check chip type  */
-    dsa = bus_to_virt (NCR53c7x0_read32(DSA_REG));
-
-    /*
-     * Bus faults can be caused by either a Bad Address or 
-     * Target Abort. We should check the Received Target Abort
-     * bit of the PCI status register and Master Abort Bit.
-     *
-     * 	- Master Abort bit indicates that no device claimed
-     *		the address with DEVSEL within five clocks
-     *
-     *	- Target Abort bit indicates that a target claimed it,
-     *		but changed its mind once it saw the byte enables.
-     *
-     */
-
-    /* 53c710, not PCI system */
-    report = 1;
-    reason = "Unknown";
-
-#ifndef notyet
-    report = 1;
-#endif
-    if (report && reason)
-    {
-	printk(KERN_ALERT "scsi%d : BUS FAULT reason = %s\n",
-	     host->host_no, reason ? reason : "unknown");
-	print_lots (host);
-    }
-
-#ifndef notyet
-    retry = NEVER;
-#endif
-
-    /* 
-     * TODO : we should attempt to recover from any spurious bus 
-     * faults.  After X retries, we should figure that things are 
-     * sufficiently wedged, and call NCR53c7xx_reset.
-     *
-     * This code should only get executed once we've decided that we 
-     * cannot retry.
-     */
-
-    if (retry == NEVER) {
-    	printk(KERN_ALERT "          mail richard@sleepie.demon.co.uk\n");
-    	FATAL (host);
-    }
-}
-
-/*
- * Function : static void intr_dma (struct Scsi_Host *host, 
- * 	struct NCR53c7x0_cmd *cmd)
- *
- * Purpose : handle all DMA interrupts, indicated by the setting 
- * 	of the DIP bit in the ISTAT register.
- *
- * Inputs : host, cmd - host and NCR command causing the interrupt, cmd
- * 	may be NULL.
- */
-
-static void 
-intr_dma (struct Scsi_Host *host, struct NCR53c7x0_cmd *cmd) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    unsigned char dstat;	/* DSTAT */	
-    u32 *dsp,
-	*next_dsp,		/* Current dsp */
-    	*dsa,
-	dbc_dcmd;		/* DCMD (high eight bits) + DBC */
-    int tmp;
-    unsigned long flags;
-    NCR53c7x0_local_setup(host);
-
-    if (!hostdata->dstat_valid) {
-	hostdata->dstat = NCR53c7x0_read8(DSTAT_REG);
-	hostdata->dstat_valid = 1;
-    }
-    
-    dstat = hostdata->dstat;
-    
-    if (hostdata->options & OPTION_DEBUG_INTR)
-	printk("scsi%d : DSTAT=0x%x\n", host->host_no, (int) dstat);
-
-    dbc_dcmd = NCR53c7x0_read32 (DBC_REG);
-    next_dsp = bus_to_virt(NCR53c7x0_read32(DSP_REG));
-    dsp = next_dsp - NCR53c7x0_insn_size ((dbc_dcmd >> 24) & 0xff);
-/* XXX - check chip type */
-    dsa = bus_to_virt(NCR53c7x0_read32(DSA_REG));
-
-    /*
-     * DSTAT_ABRT is the aborted interrupt.  This is set whenever the 
-     * SCSI chip is aborted.  
-     * 
-     * With NCR53c700 and NCR53c700-66 style chips, we should only 
-     * get this when the chip is currently running the accept 
-     * reselect/select code and we have set the abort bit in the 
-     * ISTAT register.
-     *
-     */
-    
-    if (dstat & DSTAT_ABRT) {
-#if 0
-	/* XXX - add code here to deal with normal abort */
-	if ((hostdata->options & OPTION_700) && (hostdata->state ==
-	    STATE_ABORTING)) {
-	} else 
-#endif
-	{
-	    printk(KERN_ALERT "scsi%d : unexpected abort interrupt at\n" 
-		   "         ", host->host_no);
-	    print_insn (host, dsp, KERN_ALERT "s ", 1);
-	    FATAL (host);
-	}
-    }
-
-    /*
-     * DSTAT_SSI is the single step interrupt.  Should be generated 
-     * whenever we have single stepped or are tracing.
-     */
-
-    if (dstat & DSTAT_SSI) {
-	if (hostdata->options & OPTION_DEBUG_TRACE) {
-	    /* Don't print instr. until we write DSP at end of intr function */
-	} else if (hostdata->options & OPTION_DEBUG_SINGLE) {
-	    print_insn (host, dsp, "s ", 0);
-	    local_irq_save(flags);
-/* XXX - should we do this, or can we get away with writing dsp? */
-
-	    NCR53c7x0_write8 (DCNTL_REG, (NCR53c7x0_read8(DCNTL_REG) & 
-    	    	~DCNTL_SSM) | DCNTL_STD);
-	    local_irq_restore(flags);
-	} else {
-	    printk(KERN_ALERT "scsi%d : unexpected single step interrupt at\n"
-		   "         ", host->host_no);
-	    print_insn (host, dsp, KERN_ALERT "", 1);
-	    printk(KERN_ALERT "         mail drew@PoohSticks.ORG\n");
-    	    FATAL (host);
-    	}
-    }
-
-    /*
-     * DSTAT_IID / DSTAT_OPC (same bit, same meaning, only the name 
-     * is different) is generated whenever an illegal instruction is 
-     * encountered.  
-     * 
-     * XXX - we may want to emulate INTFLY here, so we can use 
-     *    the same SCSI SCRIPT (tm) for NCR53c710 through NCR53c810  
-     *	  chips.
-     */
-
-    if (dstat & DSTAT_OPC) {
-    /* 
-     * Ascertain if this IID interrupts occurred before or after a STO 
-     * interrupt.  Since the interrupt handling code now leaves 
-     * DSP unmodified until _after_ all stacked interrupts have been
-     * processed, reading the DSP returns the original DSP register.
-     * This means that if dsp lies between the select code, and 
-     * message out following the selection code (where the IID interrupt
-     * would have to have occurred by due to the implicit wait for REQ),
-     * we have an IID interrupt resulting from a STO condition and 
-     * can ignore it.
-     */
-
-	if (((dsp >= (hostdata->script + hostdata->E_select / sizeof(u32))) &&
-	    (dsp <= (hostdata->script + hostdata->E_select_msgout / 
-    	    sizeof(u32) + 8))) || (hostdata->test_running == 2)) {
-	    if (hostdata->options & OPTION_DEBUG_INTR) 
-		printk ("scsi%d : ignoring DSTAT_IID for SSTAT_STO\n",
-		    host->host_no);
-	    if (hostdata->expecting_iid) {
-		hostdata->expecting_iid = 0;
-		hostdata->idle = 1;
-		if (hostdata->test_running == 2) {
-		    hostdata->test_running = 0;
-		    hostdata->test_completed = 3;
-		} else if (cmd) 
-			abnormal_finished (cmd, DID_BAD_TARGET << 16);
-	    } else {
-		hostdata->expecting_sto = 1;
-	    }
-    /*
-     * We can't guarantee we'll be able to execute the WAIT DISCONNECT
-     * instruction within the 3.4us of bus free and arbitration delay
-     * that a target can RESELECT in and assert REQ after we've dropped
-     * ACK.  If this happens, we'll get an illegal instruction interrupt.
-     * Doing away with the WAIT DISCONNECT instructions broke everything,
-     * so instead I'll settle for moving one WAIT DISCONNECT a few 
-     * instructions closer to the CLEAR ACK before it to minimize the
-     * chances of this happening, and handle it if it occurs anyway.
-     *
-     * Simply continue with what we were doing, and control should
-     * be transferred to the schedule routine which will ultimately
-     * pass control onto the reselection or selection (not yet)
-     * code.
-     */
-	} else if (dbc_dcmd == 0x48000000 && (NCR53c7x0_read8 (SBCL_REG) &
-	    SBCL_REQ)) {
-	    if (!(hostdata->options & OPTION_NO_PRINT_RACE))
-	    {
-		printk("scsi%d: REQ before WAIT DISCONNECT IID\n", 
-		    host->host_no);
-		hostdata->options |= OPTION_NO_PRINT_RACE;
-	    }
-	} else {
-	    printk(KERN_ALERT "scsi%d : invalid instruction\n", host->host_no);
-	    print_lots (host);
-	    printk(KERN_ALERT "         mail Richard@sleepie.demon.co.uk with ALL\n"
-		              "         boot messages and diagnostic output\n");
-    	    FATAL (host);
-	}
-    }
-
-    /* 
-     * DSTAT_BF are bus fault errors.  DSTAT_800_BF is valid for 710 also.
-     */
-    
-    if (dstat & DSTAT_800_BF) {
-	intr_bf (host, cmd);
-    }
-	
-
-    /* 
-     * DSTAT_SIR interrupts are generated by the execution of 
-     * the INT instruction.  Since the exact values available 
-     * are determined entirely by the SCSI script running, 
-     * and are local to a particular script, a unique handler
-     * is called for each script.
-     */
-
-    if (dstat & DSTAT_SIR) {
-	if (hostdata->options & OPTION_DEBUG_INTR)
-	    printk ("scsi%d : DSTAT_SIR\n", host->host_no);
-	switch ((tmp = hostdata->dstat_sir_intr (host, cmd))) {
-	case SPECIFIC_INT_NOTHING:
-	case SPECIFIC_INT_RESTART:
-	    break;
-	case SPECIFIC_INT_ABORT:
-	    abort_connected(host);
-	    break;
-	case SPECIFIC_INT_PANIC:
-	    printk(KERN_ALERT "scsi%d : failure at ", host->host_no);
-	    print_insn (host, dsp, KERN_ALERT "", 1);
-	    printk(KERN_ALERT "          dstat_sir_intr() returned SPECIFIC_INT_PANIC\n");
-    	    FATAL (host);
-	    break;
-	case SPECIFIC_INT_BREAK:
-	    intr_break (host, cmd);
-	    break;
-	default:
-	    printk(KERN_ALERT "scsi%d : failure at ", host->host_no);
-	    print_insn (host, dsp, KERN_ALERT "", 1);
-	    printk(KERN_ALERT"          dstat_sir_intr() returned unknown value %d\n", 
-		tmp);
-    	    FATAL (host);
-	}
-    } 
-}
-
-/*
- * Function : static int print_insn (struct Scsi_Host *host, 
- * 	u32 *insn, int kernel)
- *
- * Purpose : print numeric representation of the instruction pointed
- * 	to by insn to the debugging or kernel message buffer
- *	as appropriate.  
- *
- * 	If desired, a user level program can interpret this 
- * 	information.
- *
- * Inputs : host, insn - host, pointer to instruction, prefix - 
- *	string to prepend, kernel - use printk instead of debugging buffer.
- *
- * Returns : size, in u32s, of instruction printed.
- */
-
-/*
- * FIXME: should change kernel parameter so that it takes an ENUM
- * 	specifying severity - either KERN_ALERT or KERN_PANIC so
- *	all panic messages are output with the same severity.
- */
-
-static int 
-print_insn (struct Scsi_Host *host, const u32 *insn, 
-    const char *prefix, int kernel) {
-    char buf[160], 		/* Temporary buffer and pointer.  ICKY 
-				   arbitrary length.  */
-
-		
-	*tmp;			
-    unsigned char dcmd;		/* dcmd register for *insn */
-    int size;
-
-    /* 
-     * Check to see if the instruction pointer is not bogus before 
-     * indirecting through it; avoiding red-zone at start of 
-     * memory.
-     *
-     * FIXME: icky magic needs to happen here on non-intel boxes which
-     * don't have kernel memory mapped in like this.  Might be reasonable
-     * to use vverify()?
-     */
-
-    if (virt_to_phys((void *)insn) < PAGE_SIZE || 
-	virt_to_phys((void *)(insn + 8)) > virt_to_phys(high_memory) ||
-	((((dcmd = (insn[0] >> 24) & 0xff) & DCMD_TYPE_MMI) == DCMD_TYPE_MMI) &&
-	virt_to_phys((void *)(insn + 12)) > virt_to_phys(high_memory))) {
-	size = 0;
-	sprintf (buf, "%s%p: address out of range\n",
-	    prefix, insn);
-    } else {
-/* 
- * FIXME : (void *) cast in virt_to_bus should be unnecessary, because
- * 	it should take const void * as argument.
- */
-#if !defined(CONFIG_MVME16x) && !defined(CONFIG_BVME6000)
-	sprintf(buf, "%s0x%lx (virt 0x%p) : 0x%08x 0x%08x (virt 0x%p)", 
-	    (prefix ? prefix : ""), virt_to_bus((void *) insn), insn,  
-	    insn[0], insn[1], bus_to_virt (insn[1]));
-#else
-	/* Remove virtual addresses to reduce output, as they are the same */
-	sprintf(buf, "%s0x%x (+%x) : 0x%08x 0x%08x", 
-	    (prefix ? prefix : ""), (u32)insn, ((u32)insn -
-		(u32)&(((struct NCR53c7x0_hostdata *)host->hostdata[0])->script))/4, 
-	    insn[0], insn[1]);
-#endif
-	tmp = buf + strlen(buf);
-	if ((dcmd & DCMD_TYPE_MASK) == DCMD_TYPE_MMI)  {
-#if !defined(CONFIG_MVME16x) && !defined(CONFIG_BVME6000)
-	    sprintf (tmp, " 0x%08x (virt 0x%p)\n", insn[2], 
-		bus_to_virt(insn[2]));
-#else
-	    /* Remove virtual addr to reduce output, as it is the same */
-	    sprintf (tmp, " 0x%08x\n", insn[2]);
-#endif
-	    size = 3;
-	} else {
-	    sprintf (tmp, "\n");
-	    size = 2;
-	}
-    }
-
-    if (kernel) 
-	printk ("%s", buf);
-#ifdef NCR_DEBUG
-    else {
-	size_t len = strlen(buf);
-	debugger_kernel_write(host, buf, len);
-    }
-#endif
-    return size;
-}
-
-/*
- * Function : int NCR53c7xx_abort (Scsi_Cmnd *cmd)
- * 
- * Purpose : Abort an errant SCSI command, doing all necessary
- *	cleanup of the issue_queue, running_list, shared Linux/NCR
- *	dsa issue and reconnect queues.
- *
- * Inputs : cmd - command to abort, code - entire result field
- *
- * Returns : 0 on success, -1 on failure.
- */
-
-int 
-NCR53c7xx_abort (Scsi_Cmnd *cmd) {
-    NCR53c7x0_local_declare();
-    struct Scsi_Host *host = cmd->device->host;
-    struct NCR53c7x0_hostdata *hostdata = host ? (struct NCR53c7x0_hostdata *) 
-	host->hostdata[0] : NULL;
-    unsigned long flags;
-    struct NCR53c7x0_cmd *curr, **prev;
-    Scsi_Cmnd *me, **last;
-#if 0
-    static long cache_pid = -1;
-#endif
-
-
-    if (!host) {
-	printk ("Bogus SCSI command pid %ld; no host structure\n",
-	    cmd->pid);
-	return SCSI_ABORT_ERROR;
-    } else if (!hostdata) {
-	printk ("Bogus SCSI host %d; no hostdata\n", host->host_no);
-	return SCSI_ABORT_ERROR;
-    }
-    NCR53c7x0_local_setup(host);
-
-/*
- * CHECK : I don't think that reading ISTAT will unstack any interrupts,
- *	since we need to write the INTF bit to clear it, and SCSI/DMA
- * 	interrupts don't clear until we read SSTAT/SIST and DSTAT registers.
- *	
- *	See that this is the case.  Appears to be correct on the 710, at least.
- *
- * I suspect that several of our failures may be coming from a new fatal
- * interrupt (possibly due to a phase mismatch) happening after we've left
- * the interrupt handler, but before the PIC has had the interrupt condition
- * cleared.
- */
-
-    if (NCR53c7x0_read8(hostdata->istat) & (ISTAT_DIP|ISTAT_SIP)) {
-	printk ("scsi%d : dropped interrupt for command %ld\n", host->host_no,
-	    cmd->pid);
-	NCR53c7x0_intr (host->irq, NULL, NULL);
-	return SCSI_ABORT_BUSY;
-    }
-	
-    local_irq_save(flags);
-#if 0
-    if (cache_pid == cmd->pid) 
-	panic ("scsi%d : bloody fetus %d\n", host->host_no, cmd->pid);
-    else
-	cache_pid = cmd->pid;
-#endif
-	
-
-/*
- * The command could be hiding in the issue_queue.  This would be very
- * nice, as commands can't be moved from the high level driver's issue queue 
- * into the shared queue until an interrupt routine is serviced, and this
- * moving is atomic.  
- *
- * If this is the case, we don't have to worry about anything - we simply
- * pull the command out of the old queue, and call it aborted.
- */
-
-    for (me = (Scsi_Cmnd *) hostdata->issue_queue, 
-         last = (Scsi_Cmnd **) &(hostdata->issue_queue);
-	 me && me != cmd;  last = (Scsi_Cmnd **)&(me->SCp.ptr), 
-	 me = (Scsi_Cmnd *)me->SCp.ptr);
-
-    if (me) {
-	*last = (Scsi_Cmnd *) me->SCp.ptr;
-	if (me->host_scribble) {
-	    ((struct NCR53c7x0_cmd *)me->host_scribble)->next = hostdata->free;
-	    hostdata->free = (struct NCR53c7x0_cmd *) me->host_scribble;
-	    me->host_scribble = NULL;
-	}
-	cmd->result = DID_ABORT << 16;
-	cmd->scsi_done(cmd);
-	printk ("scsi%d : found command %ld in Linux issue queue\n", 
-	    host->host_no, me->pid);
-	local_irq_restore(flags);
-    	run_process_issue_queue();
-	return SCSI_ABORT_SUCCESS;
-    }
-
-/* 
- * That failing, the command could be in our list of already executing 
- * commands.  If this is the case, drastic measures are called for.  
- */ 
-
-    for (curr = (struct NCR53c7x0_cmd *) hostdata->running_list, 
-    	 prev = (struct NCR53c7x0_cmd **) &(hostdata->running_list);
-	 curr && curr->cmd != cmd; prev = (struct NCR53c7x0_cmd **) 
-         &(curr->next), curr = (struct NCR53c7x0_cmd *) curr->next);
-
-    if (curr) {
-	if ((curr->result & 0xff) != 0xff && (curr->result & 0xff00) != 0xff00) {
-            cmd->result = curr->result;
-	    if (prev)
-		*prev = (struct NCR53c7x0_cmd *) curr->next;
-	    curr->next = (struct NCR53c7x0_cmd *) hostdata->free;
-	    cmd->host_scribble = NULL;
-	    hostdata->free = curr;
-	    cmd->scsi_done(cmd);
-	printk ("scsi%d : found finished command %ld in running list\n", 
-	    host->host_no, cmd->pid);
-	    local_irq_restore(flags);
-	    return SCSI_ABORT_NOT_RUNNING;
-	} else {
-	    printk ("scsi%d : DANGER : command running, can not abort.\n",
-		cmd->device->host->host_no);
-	    local_irq_restore(flags);
-	    return SCSI_ABORT_BUSY;
-	}
-    }
-
-/* 
- * And if we couldn't find it in any of our queues, it must have been 
- * a dropped interrupt.
- */
-
-    curr = (struct NCR53c7x0_cmd *) cmd->host_scribble;
-    if (curr) {
-	curr->next = hostdata->free;
-	hostdata->free = curr;
-	cmd->host_scribble = NULL;
-    }
-
-    if (curr == NULL || ((curr->result & 0xff00) == 0xff00) ||
-		((curr->result & 0xff) == 0xff)) {
-	printk ("scsi%d : did this command ever run?\n", host->host_no);
-	    cmd->result = DID_ABORT << 16;
-    } else {
-	printk ("scsi%d : probably lost INTFLY, normal completion\n", 
-	    host->host_no);
-        cmd->result = curr->result;
-/* 
- * FIXME : We need to add an additional flag which indicates if a 
- * command was ever counted as BUSY, so if we end up here we can
- * decrement the busy count if and only if it is necessary.
- */
-        --hostdata->busy[cmd->device->id][cmd->device->lun];
-    }
-    local_irq_restore(flags);
-    cmd->scsi_done(cmd);
-
-/* 
- * We need to run process_issue_queue since termination of this command 
- * may allow another queued command to execute first? 
- */
-    return SCSI_ABORT_NOT_RUNNING;
-}
-
-/*
- * Function : int NCR53c7xx_reset (Scsi_Cmnd *cmd) 
- * 
- * Purpose : perform a hard reset of the SCSI bus and NCR
- * 	chip.
- *
- * Inputs : cmd - command which caused the SCSI RESET
- *
- * Returns : 0 on success.
- */
- 
-int 
-NCR53c7xx_reset (Scsi_Cmnd *cmd, unsigned int reset_flags) {
-    NCR53c7x0_local_declare();
-    unsigned long flags;
-    int found = 0;
-    struct NCR53c7x0_cmd * c;
-    Scsi_Cmnd *tmp;
-    /*
-     * When we call scsi_done(), it's going to wake up anything sleeping on the
-     * resources which were in use by the aborted commands, and we'll start to 
-     * get new commands.
-     *
-     * We can't let this happen until after we've re-initialized the driver
-     * structures, and can't reinitialize those structures until after we've 
-     * dealt with their contents.
-     *
-     * So, we need to find all of the commands which were running, stick
-     * them on a linked list of completed commands (we'll use the host_scribble
-     * pointer), do our reinitialization, and then call the done function for
-     * each command.  
-     */
-    Scsi_Cmnd *nuke_list = NULL;
-    struct Scsi_Host *host = cmd->device->host;
-    struct NCR53c7x0_hostdata *hostdata = 
-    	(struct NCR53c7x0_hostdata *) host->hostdata[0];
-
-    NCR53c7x0_local_setup(host);
-    local_irq_save(flags);
-    ncr_halt (host);
-    print_lots (host);
-    dump_events (host, 30);
-    ncr_scsi_reset (host);
-    for (tmp = nuke_list = return_outstanding_commands (host, 1 /* free */,
-	0 /* issue */ ); tmp; tmp = (Scsi_Cmnd *) tmp->SCp.buffer)
-	if (tmp == cmd) {
-	    found = 1;
-	    break;
-	}
-	    
-    /* 
-     * If we didn't find the command which caused this reset in our running
-     * list, then we've lost it.  See that it terminates normally anyway.
-     */
-    if (!found) {
-    	c = (struct NCR53c7x0_cmd *) cmd->host_scribble;
-    	if (c) {
-	    cmd->host_scribble = NULL;
-    	    c->next = hostdata->free;
-    	    hostdata->free = c;
-    	} else
-	    printk ("scsi%d: lost command %ld\n", host->host_no, cmd->pid);
-	cmd->SCp.buffer = (struct scatterlist *) nuke_list;
-	nuke_list = cmd;
-    }
-
-    NCR53c7x0_driver_init (host);
-    hostdata->soft_reset (host);
-    if (hostdata->resets == 0) 
-	disable(host);
-    else if (hostdata->resets != -1)
-	--hostdata->resets;
-    local_irq_restore(flags);
-    for (; nuke_list; nuke_list = tmp) {
-	tmp = (Scsi_Cmnd *) nuke_list->SCp.buffer;
-    	nuke_list->result = DID_RESET << 16;
-	nuke_list->scsi_done (nuke_list);
-    }
-    local_irq_restore(flags);
-    return SCSI_RESET_SUCCESS;
-}
-
-/*
- * The NCR SDMS bios follows Annex A of the SCSI-CAM draft, and 
- * therefore shares the scsicam_bios_param function.
- */
-
-/*
- * Function : int insn_to_offset (Scsi_Cmnd *cmd, u32 *insn)
- *
- * Purpose : convert instructions stored at NCR pointer into data 
- *	pointer offset.
- * 
- * Inputs : cmd - SCSI command; insn - pointer to instruction.  Either current
- *	DSP, or saved data pointer.
- *
- * Returns : offset on success, -1 on failure.
- */
-
-
-static int 
-insn_to_offset (Scsi_Cmnd *cmd, u32 *insn) {
-    struct NCR53c7x0_hostdata *hostdata = 
-	(struct NCR53c7x0_hostdata *) cmd->device->host->hostdata[0];
-    struct NCR53c7x0_cmd *ncmd = 
-	(struct NCR53c7x0_cmd *) cmd->host_scribble;
-    int offset = 0, buffers;
-    struct scatterlist *segment;
-    char *ptr;
-    int found = 0;
-
-/*
- * With the current code implementation, if the insn is inside dynamically 
- * generated code, the data pointer will be the instruction preceding 
- * the next transfer segment.
- */
-
-    if (!check_address ((unsigned long) ncmd, sizeof (struct NCR53c7x0_cmd)) &&
-	((insn >= ncmd->data_transfer_start &&  
-    	    insn < ncmd->data_transfer_end) ||
-    	(insn >= ncmd->residual &&
-    	    insn < (ncmd->residual + 
-    	    	sizeof(ncmd->residual))))) {
-	    ptr = bus_to_virt(insn[3]);
-
-	    if ((buffers = cmd->use_sg)) {
-    	    	for (offset = 0, 
-		     	segment = (struct scatterlist *) cmd->request_buffer;
-    	    	     buffers && !((found = ((ptr >= (char *)page_address(segment->page)+segment->offset) && 
-    	    	    	    (ptr < ((char *)page_address(segment->page)+segment->offset+segment->length)))));
-    	    	     --buffers, offset += segment->length, ++segment)
-#if 0
-		    printk("scsi%d: comparing 0x%p to 0x%p\n", 
-			cmd->device->host->host_no, saved, page_address(segment->page+segment->offset));
-#else
-		    ;
-#endif
-    	    	    offset += ptr - ((char *)page_address(segment->page)+segment->offset);
-    	    } else {
-		found = 1;
-    	    	offset = ptr - (char *) (cmd->request_buffer);
-    	    }
-    } else if ((insn >= hostdata->script + 
-		hostdata->E_data_transfer / sizeof(u32)) &&
-	       (insn <= hostdata->script +
-		hostdata->E_end_data_transfer / sizeof(u32))) {
-    	found = 1;
-	offset = 0;
-    }
-    return found ? offset : -1;
-}
-
-
-
-/*
- * Function : void print_progress (Scsi_Cmnd *cmd) 
- * 
- * Purpose : print the current location of the saved data pointer
- *
- * Inputs : cmd - command we are interested in
- *
- */
-
-static void 
-print_progress (Scsi_Cmnd *cmd) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_cmd *ncmd = 
-	(struct NCR53c7x0_cmd *) cmd->host_scribble;
-    int offset, i;
-    char *where;
-    u32 *ptr;
-    NCR53c7x0_local_setup (cmd->device->host);
-
-    if (check_address ((unsigned long) ncmd,sizeof (struct NCR53c7x0_cmd)) == 0)
-    {
-	printk("\nNCR53c7x0_cmd fields:\n");
-	printk("  bounce.len=0x%x, addr=0x%0x, buf[]=0x%02x %02x %02x %02x\n",
-	    ncmd->bounce.len, ncmd->bounce.addr, ncmd->bounce.buf[0],
-	    ncmd->bounce.buf[1], ncmd->bounce.buf[2], ncmd->bounce.buf[3]);
-	printk("  result=%04x, cdb[0]=0x%02x\n", ncmd->result, ncmd->cmnd[0]);
-    }
-
-    for (i = 0; i < 2; ++i) {
-	if (check_address ((unsigned long) ncmd, 
-	    sizeof (struct NCR53c7x0_cmd)) == -1) 
-	    continue;
-	if (!i) {
-	    where = "saved";
-	    ptr = bus_to_virt(ncmd->saved_data_pointer);
-	} else {
-	    where = "active";
-	    ptr = bus_to_virt (NCR53c7x0_read32 (DSP_REG) -
-		NCR53c7x0_insn_size (NCR53c7x0_read8 (DCMD_REG)) *
-		sizeof(u32));
-	} 
-	offset = insn_to_offset (cmd, ptr);
-
-	if (offset != -1) 
-	    printk ("scsi%d : %s data pointer at offset %d\n",
-		cmd->device->host->host_no, where, offset);
-	else {
-	    int size;
-	    printk ("scsi%d : can't determine %s data pointer offset\n",
-		cmd->device->host->host_no, where);
-	    if (ncmd) {
-		size = print_insn (cmd->device->host,
-		    bus_to_virt(ncmd->saved_data_pointer), "", 1);
-		print_insn (cmd->device->host,
-		    bus_to_virt(ncmd->saved_data_pointer) + size * sizeof(u32),
-		    "", 1);
-	    }
-	}
-    }
-}
-
-
-static void 
-print_dsa (struct Scsi_Host *host, u32 *dsa, const char *prefix) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    int i, len;
-    char *ptr;
-    Scsi_Cmnd *cmd;
-
-    if (check_address ((unsigned long) dsa, hostdata->dsa_end - 
-	hostdata->dsa_start) == -1) {
-	printk("scsi%d : bad dsa virt 0x%p\n", host->host_no, dsa);
-	return;
-    }
-    printk("%sscsi%d : dsa at phys 0x%lx (virt 0x%p)\n"
-	    "        + %d : dsa_msgout length = %u, data = 0x%x (virt 0x%p)\n" ,
-    	    prefix ? prefix : "",
-    	    host->host_no,  virt_to_bus (dsa), dsa, hostdata->dsa_msgout,
-    	    dsa[hostdata->dsa_msgout / sizeof(u32)],
-	    dsa[hostdata->dsa_msgout / sizeof(u32) + 1],
-	    bus_to_virt (dsa[hostdata->dsa_msgout / sizeof(u32) + 1]));
-
-    /* 
-     * Only print messages if they're sane in length so we don't
-     * blow the kernel printk buffer on something which won't buy us
-     * anything.
-     */
-
-    if (dsa[hostdata->dsa_msgout / sizeof(u32)] < 
-	    sizeof (hostdata->free->select)) 
-	for (i = dsa[hostdata->dsa_msgout / sizeof(u32)],
-	    ptr = bus_to_virt (dsa[hostdata->dsa_msgout / sizeof(u32) + 1]); 
-	    i > 0 && !check_address ((unsigned long) ptr, 1);
-	    ptr += len, i -= len) {
-	    printk("               ");
-	    len = spi_print_msg(ptr);
-	    printk("\n");
-	    if (!len)
-		break;
-	}
-
-    printk("        + %d : select_indirect = 0x%x\n",
-	hostdata->dsa_select, dsa[hostdata->dsa_select / sizeof(u32)]);
-    cmd = (Scsi_Cmnd *) bus_to_virt(dsa[hostdata->dsa_cmnd / sizeof(u32)]);
-    printk("        + %d : dsa_cmnd = 0x%x ", hostdata->dsa_cmnd,
-	   (u32) virt_to_bus(cmd));
-    /* XXX Maybe we should access cmd->host_scribble->result here. RGH */
-    if (cmd) {
-	printk("               result = 0x%x, target = %d, lun = %d, cmd = ",
-	    cmd->result, cmd->device->id, cmd->device->lun);
-	__scsi_print_command(cmd->cmnd);
-    } else
-	printk("\n");
-    printk("        + %d : dsa_next = 0x%x\n", hostdata->dsa_next,
-	dsa[hostdata->dsa_next / sizeof(u32)]);
-    if (cmd) { 
-	printk("scsi%d target %d : sxfer_sanity = 0x%x, scntl3_sanity = 0x%x\n"
-	       "                   script : ",
-	    host->host_no, cmd->device->id,
-	    hostdata->sync[cmd->device->id].sxfer_sanity,
-	    hostdata->sync[cmd->device->id].scntl3_sanity);
-	for (i = 0; i < (sizeof(hostdata->sync[cmd->device->id].script) / 4); ++i)
-	    printk ("0x%x ", hostdata->sync[cmd->device->id].script[i]);
-	printk ("\n");
-    	print_progress (cmd);
-    }
-}
-/*
- * Function : void print_queues (Scsi_Host *host) 
- * 
- * Purpose : print the contents of the NCR issue and reconnect queues
- *
- * Inputs : host - SCSI host we are interested in
- *
- */
-
-static void 
-print_queues (struct Scsi_Host *host) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    u32 *dsa, *next_dsa;
-    volatile u32 *ncrcurrent;
-    int left;
-    Scsi_Cmnd *cmd, *next_cmd;
-    unsigned long flags;
-
-    printk ("scsi%d : issue queue\n", host->host_no);
-
-    for (left = host->can_queue, cmd = (Scsi_Cmnd *) hostdata->issue_queue; 
-	    left >= 0 && cmd; 
-	    cmd = next_cmd) {
-	next_cmd = (Scsi_Cmnd *) cmd->SCp.ptr;
-	local_irq_save(flags);
-	if (cmd->host_scribble) {
-	    if (check_address ((unsigned long) (cmd->host_scribble), 
-		sizeof (cmd->host_scribble)) == -1)
-		printk ("scsi%d: scsi pid %ld bad pointer to NCR53c7x0_cmd\n",
-		    host->host_no, cmd->pid);
-	    /* print_dsa does sanity check on address, no need to check */
-	    else
-	    	print_dsa (host, ((struct NCR53c7x0_cmd *) cmd->host_scribble)
-		    -> dsa, "");
-	} else 
-	    printk ("scsi%d : scsi pid %ld for target %d lun %d has no NCR53c7x0_cmd\n",
-		host->host_no, cmd->pid, cmd->device->id, cmd->device->lun);
-	local_irq_restore(flags);
-    }
-
-    if (left <= 0) {
-	printk ("scsi%d : loop detected in issue queue\n",
-	    host->host_no);
-    }
-
-    /*
-     * Traverse the NCR reconnect and start DSA structures, printing out 
-     * each element until we hit the end or detect a loop.  Currently,
-     * the reconnect structure is a linked list; and the start structure
-     * is an array.  Eventually, the reconnect structure will become a 
-     * list as well, since this simplifies the code.
-     */
-
-    printk ("scsi%d : schedule dsa array :\n", host->host_no);
-    for (left = host->can_queue, ncrcurrent = hostdata->schedule;
-	    left > 0; ncrcurrent += 2, --left)
-	if (ncrcurrent[0] != hostdata->NOP_insn) 
-/* FIXME : convert pointer to dsa_begin to pointer to dsa. */
-	    print_dsa (host, bus_to_virt (ncrcurrent[1] - 
-		(hostdata->E_dsa_code_begin - 
-		hostdata->E_dsa_code_template)), "");
-    printk ("scsi%d : end schedule dsa array\n", host->host_no);
-    
-    printk ("scsi%d : reconnect_dsa_head :\n", host->host_no);
-	    
-    for (left = host->can_queue, 
-	dsa = bus_to_virt (hostdata->reconnect_dsa_head);
-	left >= 0 && dsa; 
-	dsa = next_dsa) {
-	local_irq_save(flags);
-	if (check_address ((unsigned long) dsa, sizeof(dsa)) == -1) {
-	    printk ("scsi%d: bad DSA pointer 0x%p", host->host_no,
-		dsa);
-	    next_dsa = NULL;
-	}
-	else 
-	{
-	    next_dsa = bus_to_virt(dsa[hostdata->dsa_next / sizeof(u32)]);
-	    print_dsa (host, dsa, "");
-	}
-	local_irq_restore(flags);
-    }
-    printk ("scsi%d : end reconnect_dsa_head\n", host->host_no);
-    if (left < 0)
-	printk("scsi%d: possible loop in ncr reconnect list\n",
-	    host->host_no);
-}
-
-static void
-print_lots (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    struct NCR53c7x0_hostdata *hostdata = 
-	(struct NCR53c7x0_hostdata *) host->hostdata[0];
-    u32 *dsp_next, *dsp, *dsa, dbc_dcmd;
-    unsigned char dcmd, sbcl;
-    int i, size;
-    NCR53c7x0_local_setup(host);
-
-    if ((dsp_next = bus_to_virt(NCR53c7x0_read32 (DSP_REG)))) {
-    	dbc_dcmd = NCR53c7x0_read32(DBC_REG);
-    	dcmd = (dbc_dcmd & 0xff000000) >> 24;
-    	dsp = dsp_next - NCR53c7x0_insn_size(dcmd);
-	dsa = bus_to_virt(NCR53c7x0_read32(DSA_REG));
-	sbcl = NCR53c7x0_read8 (SBCL_REG);
-	    
-	/*
-	 * For the 53c710, the following will report value 0 for SCNTL3
-	 * and STEST0 - we don't have these registers.
-	 */
-    	printk ("scsi%d : DCMD|DBC=0x%x, DNAD=0x%x (virt 0x%p)\n"
-		"         DSA=0x%lx (virt 0x%p)\n"
-	        "         DSPS=0x%x, TEMP=0x%x (virt 0x%p), DMODE=0x%x\n"
-		"         SXFER=0x%x, SCNTL3=0x%x\n"
-		"         %s%s%sphase=%s, %d bytes in SCSI FIFO\n"
-		"         SCRATCH=0x%x, saved2_dsa=0x%0lx\n",
-	    host->host_no, dbc_dcmd, NCR53c7x0_read32(DNAD_REG),
-		bus_to_virt(NCR53c7x0_read32(DNAD_REG)),
-	    virt_to_bus(dsa), dsa,
-	    NCR53c7x0_read32(DSPS_REG), NCR53c7x0_read32(TEMP_REG), 
-	    bus_to_virt (NCR53c7x0_read32(TEMP_REG)),
-	    (int) NCR53c7x0_read8(hostdata->dmode),
-	    (int) NCR53c7x0_read8(SXFER_REG), 
-	    ((hostdata->chip / 100) == 8) ?
-		(int) NCR53c7x0_read8(SCNTL3_REG_800) : 0,
-	    (sbcl & SBCL_BSY) ? "BSY " : "",
-	    (sbcl & SBCL_SEL) ? "SEL " : "",
-	    (sbcl & SBCL_REQ) ? "REQ " : "",
-	    sstat2_to_phase(NCR53c7x0_read8 (((hostdata->chip / 100) == 8) ?
-	    	SSTAT1_REG : SSTAT2_REG)),
-	    (NCR53c7x0_read8 ((hostdata->chip / 100) == 8 ? 
-		SSTAT1_REG : SSTAT2_REG) & SSTAT2_FF_MASK) >> SSTAT2_FF_SHIFT,
-	    ((hostdata->chip / 100) == 8) ? NCR53c7x0_read8 (STEST0_REG_800) :
-		NCR53c7x0_read32(SCRATCHA_REG_800),
-	    hostdata->saved2_dsa);
-	printk ("scsi%d : DSP 0x%lx (virt 0x%p) ->\n", host->host_no, 
-	    virt_to_bus(dsp), dsp);
-    	for (i = 6; i > 0; --i, dsp += size)
-	    size = print_insn (host, dsp, "", 1);
-	if (NCR53c7x0_read8 (SCNTL1_REG) & SCNTL1_CON)  {
-	    if ((hostdata->chip / 100) == 8)
-	        printk ("scsi%d : connected (SDID=0x%x, SSID=0x%x)\n",
-		    host->host_no, NCR53c7x0_read8 (SDID_REG_800),
-		    NCR53c7x0_read8 (SSID_REG_800));
-	    else
-		printk ("scsi%d : connected (SDID=0x%x)\n",
-		    host->host_no, NCR53c7x0_read8 (SDID_REG_700));
-	    print_dsa (host, dsa, "");
-	}
-
-#if 1
-	print_queues (host);
-#endif
-    }
-}
-
-/*
- * Function : static int shutdown (struct Scsi_Host *host)
- * 
- * Purpose : does a clean (we hope) shutdown of the NCR SCSI 
- *	chip.  Use prior to dumping core, unloading the NCR driver,
- * 
- * Returns : 0 on success
- */
-static int 
-shutdown (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    unsigned long flags;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    NCR53c7x0_local_setup(host);
-    local_irq_save(flags);
-/* Get in a state where we can reset the SCSI bus */
-    ncr_halt (host);
-    ncr_scsi_reset (host);
-    hostdata->soft_reset(host);
-
-    disable (host);
-    local_irq_restore(flags);
-    return 0;
-}
-
-/*
- * Function : void ncr_scsi_reset (struct Scsi_Host *host)
- *
- * Purpose : reset the SCSI bus.
- */
-
-static void 
-ncr_scsi_reset (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    unsigned long flags;
-    NCR53c7x0_local_setup(host);
-    local_irq_save(flags);
-    NCR53c7x0_write8(SCNTL1_REG, SCNTL1_RST);
-    udelay(25);	/* Minimum amount of time to assert RST */
-    NCR53c7x0_write8(SCNTL1_REG, 0);
-    local_irq_restore(flags);
-}
-
-/* 
- * Function : void hard_reset (struct Scsi_Host *host)
- *
- */
-
-static void 
-hard_reset (struct Scsi_Host *host) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    unsigned long flags;
-    local_irq_save(flags);
-    ncr_scsi_reset(host);
-    NCR53c7x0_driver_init (host);
-    if (hostdata->soft_reset)
-	hostdata->soft_reset (host);
-    local_irq_restore(flags);
-}
-
-
-/*
- * Function : Scsi_Cmnd *return_outstanding_commands (struct Scsi_Host *host,
- *	int free, int issue)
- *
- * Purpose : return a linked list (using the SCp.buffer field as next,
- *	so we don't perturb hostdata.  We don't use a field of the 
- *	NCR53c7x0_cmd structure since we may not have allocated one 
- *	for the command causing the reset.) of Scsi_Cmnd structures that 
- *  	had propagated below the Linux issue queue level.  If free is set, 
- *	free the NCR53c7x0_cmd structures which are associated with 
- *	the Scsi_Cmnd structures, and clean up any internal 
- *	NCR lists that the commands were on.  If issue is set,
- *	also return commands in the issue queue.
- *
- * Returns : linked list of commands
- *
- * NOTE : the caller should insure that the NCR chip is halted
- *	if the free flag is set. 
- */
-
-static Scsi_Cmnd *
-return_outstanding_commands (struct Scsi_Host *host, int free, int issue) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    struct NCR53c7x0_cmd *c;
-    int i;
-    u32 *ncrcurrent;
-    Scsi_Cmnd *list = NULL, *tmp;
-    for (c = (struct NCR53c7x0_cmd *) hostdata->running_list; c; 
-    	c = (struct NCR53c7x0_cmd *) c->next)  {
-	if (c->cmd->SCp.buffer) {
-	    printk ("scsi%d : loop detected in running list!\n", host->host_no);
-	    break;
-	} else {
-	    printk ("Duh? Bad things happening in the NCR driver\n");
-	    break;
-	}
-
-	c->cmd->SCp.buffer = (struct scatterlist *) list;
-	list = c->cmd;
-	if (free) {
-    	    c->next = hostdata->free;
-    	    hostdata->free = c;
-	}
-    }
-
-    if (free) { 
-	for (i = 0, ncrcurrent = (u32 *) hostdata->schedule; 
-	    i < host->can_queue; ++i, ncrcurrent += 2) {
-	    ncrcurrent[0] = hostdata->NOP_insn;
-	    ncrcurrent[1] = 0xdeadbeef;
-	}
-	hostdata->ncrcurrent = NULL;
-    }
-
-    if (issue) {
-	for (tmp = (Scsi_Cmnd *) hostdata->issue_queue; tmp; tmp = tmp->next) {
-	    if (tmp->SCp.buffer) {
-		printk ("scsi%d : loop detected in issue queue!\n", 
-			host->host_no);
-		break;
-	    }
-	    tmp->SCp.buffer = (struct scatterlist *) list;
-	    list = tmp;
-	}
-	if (free)
-	    hostdata->issue_queue = NULL;
-		
-    }
-    return list;
-}
-
-/* 
- * Function : static int disable (struct Scsi_Host *host)
- *
- * Purpose : disables the given NCR host, causing all commands
- * 	to return a driver error.  Call this so we can unload the
- * 	module during development and try again.  Eventually, 
- * 	we should be able to find clean workarounds for these
- * 	problems.
- *
- * Inputs : host - hostadapter to twiddle
- *
- * Returns : 0 on success.
- */
-
-static int 
-disable (struct Scsi_Host *host) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    unsigned long flags;
-    Scsi_Cmnd *nuke_list, *tmp;
-    local_irq_save(flags);
-    if (hostdata->state != STATE_HALTED)
-	ncr_halt (host);
-    nuke_list = return_outstanding_commands (host, 1 /* free */, 1 /* issue */);
-    hard_reset (host);
-    hostdata->state = STATE_DISABLED;
-    local_irq_restore(flags);
-    printk ("scsi%d : nuking commands\n", host->host_no);
-    for (; nuke_list; nuke_list = tmp) {
-	    tmp = (Scsi_Cmnd *) nuke_list->SCp.buffer;
-	    nuke_list->result = DID_ERROR << 16;
-	    nuke_list->scsi_done(nuke_list);
-    }
-    printk ("scsi%d : done. \n", host->host_no);
-    printk (KERN_ALERT "scsi%d : disabled.  Unload and reload\n",
-    	host->host_no);
-    return 0;
-}
-
-/*
- * Function : static int ncr_halt (struct Scsi_Host *host)
- * 
- * Purpose : halts the SCSI SCRIPTS(tm) processor on the NCR chip
- *
- * Inputs : host - SCSI chip to halt
- *
- * Returns : 0 on success
- */
-
-static int 
-ncr_halt (struct Scsi_Host *host) {
-    NCR53c7x0_local_declare();
-    unsigned long flags;
-    unsigned char istat, tmp;
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    int stage;
-    NCR53c7x0_local_setup(host);
-
-    local_irq_save(flags);
-    /* Stage 0 : eat all interrupts
-       Stage 1 : set ABORT
-       Stage 2 : eat all but abort interrupts
-       Stage 3 : eat all interrupts
-     */
-    for (stage = 0;;) {
-	if (stage == 1) {
-	    NCR53c7x0_write8(hostdata->istat, ISTAT_ABRT);
-	    ++stage;
-	}
-	istat = NCR53c7x0_read8 (hostdata->istat);
-	if (istat & ISTAT_SIP) {
-	    tmp = NCR53c7x0_read8(SSTAT0_REG);
-	} else if (istat & ISTAT_DIP) {
-	    tmp = NCR53c7x0_read8(DSTAT_REG);
-	    if (stage == 2) {
-		if (tmp & DSTAT_ABRT) {
-		    NCR53c7x0_write8(hostdata->istat, 0);
-		    ++stage;
-		} else {
-		    printk(KERN_ALERT "scsi%d : could not halt NCR chip\n", 
-			host->host_no);
-		    disable (host);
-	    	}
-    	    }
-	}
-	if (!(istat & (ISTAT_SIP|ISTAT_DIP))) {
-	    if (stage == 0)
-	    	++stage;
-	    else if (stage == 3)
-		break;
-	}
-    }
-    hostdata->state = STATE_HALTED;
-    local_irq_restore(flags);
-#if 0
-    print_lots (host);
-#endif
-    return 0;
-}
-
-/* 
- * Function: event_name (int event)
- * 
- * Purpose: map event enum into user-readable strings.
- */
-
-static const char *
-event_name (int event) {
-    switch (event) {
-    case EVENT_NONE:		return "none";
-    case EVENT_ISSUE_QUEUE:	return "to issue queue";
-    case EVENT_START_QUEUE:	return "to start queue";
-    case EVENT_SELECT:		return "selected";
-    case EVENT_DISCONNECT:	return "disconnected";
-    case EVENT_RESELECT:	return "reselected";
-    case EVENT_COMPLETE:	return "completed";
-    case EVENT_IDLE:		return "idle";
-    case EVENT_SELECT_FAILED:	return "select failed";
-    case EVENT_BEFORE_SELECT:	return "before select";
-    case EVENT_RESELECT_FAILED:	return "reselect failed";
-    default:			return "unknown";
-    }
-}
-
-/*
- * Function : void dump_events (struct Scsi_Host *host, count)
- *
- * Purpose : print last count events which have occurred.
- */ 
-static void
-dump_events (struct Scsi_Host *host, int count) {
-    struct NCR53c7x0_hostdata *hostdata = (struct NCR53c7x0_hostdata *)
-	host->hostdata[0];
-    struct NCR53c7x0_event event;
-    int i;
-    unsigned long flags;
-    if (hostdata->events) {
-	if (count > hostdata->event_size)
-	    count = hostdata->event_size;
-	for (i = hostdata->event_index; count > 0; 
-	    i = (i ? i - 1 : hostdata->event_size -1), --count) {
-/*
- * By copying the event we're currently examining with interrupts
- * disabled, we can do multiple printk(), etc. operations and 
- * still be guaranteed that they're happening on the same 
- * event structure.
- */
-	    local_irq_save(flags);
-#if 0
-	    event = hostdata->events[i];
-#else
-	    memcpy ((void *) &event, (void *) &(hostdata->events[i]),
-		sizeof(event));
-#endif
-
-	    local_irq_restore(flags);
-	    printk ("scsi%d : %s event %d at %ld secs %ld usecs target %d lun %d\n",
-		host->host_no, event_name (event.event), count,
-		(long) event.time.tv_sec, (long) event.time.tv_usec,
-		event.target, event.lun);
-	    if (event.dsa) 
-		printk ("         event for dsa 0x%lx (virt 0x%p)\n", 
-		    virt_to_bus(event.dsa), event.dsa);
-	    if (event.pid != -1) {
-		printk ("         event for pid %ld ", event.pid);
-		__scsi_print_command (event.cmnd);
-	    }
-	}
-    }
-}
-
-/*
- * Function: check_address
- *
- * Purpose: Check to see if a possibly corrupt pointer will fault the 
- *	kernel.
- *
- * Inputs: addr - address; size - size of area
- *
- * Returns: 0 if area is OK, -1 on error.
- *
- * NOTES: should be implemented in terms of vverify on kernels 
- *	that have it.
- */
-
-static int 
-check_address (unsigned long addr, int size) {
-    return (virt_to_phys((void *)addr) < PAGE_SIZE || virt_to_phys((void *)(addr + size)) > virt_to_phys(high_memory) ?  -1 : 0);
-}
-
-#ifdef MODULE
-int 
-NCR53c7x0_release(struct Scsi_Host *host) {
-    struct NCR53c7x0_hostdata *hostdata = 
-	(struct NCR53c7x0_hostdata *) host->hostdata[0];
-    struct NCR53c7x0_cmd *cmd, *tmp;
-    shutdown (host);
-    if (host->irq != SCSI_IRQ_NONE)
-	{
-	    int irq_count;
-	    struct Scsi_Host *tmp;
-	    for (irq_count = 0, tmp = first_host; tmp; tmp = tmp->next)
-		if (tmp->hostt == the_template && tmp->irq == host->irq)
-		    ++irq_count;
-	    if (irq_count == 1)
-		free_irq(host->irq, NULL);
-	}
-    if (host->dma_channel != DMA_NONE)
-	free_dma(host->dma_channel);
-    if (host->io_port)
-	release_region(host->io_port, host->n_io_port);
-    
-    for (cmd = (struct NCR53c7x0_cmd *) hostdata->free; cmd; cmd = tmp, 
-	--hostdata->num_cmds) {
-	tmp = (struct NCR53c7x0_cmd *) cmd->next;
-    /* 
-     * If we're going to loop, try to stop it to get a more accurate
-     * count of the leaked commands.
-     */
-	cmd->next = NULL;
-	if (cmd->free)
-	    cmd->free ((void *) cmd->real, cmd->size);
-    }
-    if (hostdata->num_cmds)
-	printk ("scsi%d : leaked %d NCR53c7x0_cmd structures\n",
-	    host->host_no, hostdata->num_cmds);
-
-    vfree(hostdata->events);
-
-    /* XXX This assumes default cache mode to be IOMAP_FULL_CACHING, which
-     * XXX may be invalid (CONFIG_060_WRITETHROUGH)
-     */
-    kernel_set_cachemode((void *)hostdata, 8192, IOMAP_FULL_CACHING);
-    free_pages ((u32)hostdata, 1);
-    return 1;
-}
-#endif /* def MODULE */

drivers/scsi/53c7xx.h

@@ -1,1608 +0,0 @@
-/*
- * 53c710 driver.  Modified from Drew Eckhardts driver
- * for 53c810 by Richard Hirst [richard@sleepie.demon.co.uk]
- *
- * I have left the code for the 53c8xx family in here, because it didn't
- * seem worth removing it.  The possibility of IO_MAPPED chips rather
- * than MEMORY_MAPPED remains, in case someone wants to add support for
- * 53c710 chips on Intel PCs (some older machines have them on the
- * motherboard).
- *
- * NOTE THERE MAY BE PROBLEMS WITH CASTS IN read8 AND Co.
- */
-
-/*
- * NCR 53c{7,8}0x0 driver, header file
- *
- * Sponsored by
- *      iX Multiuser Multitasking Magazine
- *	Hannover, Germany
- *	hm@ix.de	
- *
- * Copyright 1993, 1994, 1995 Drew Eckhardt
- *      Visionary Computing 
- *      (Unix and Linux consulting and custom programming)
- *      drew@PoohSticks.ORG
- *	+1 (303) 786-7975
- *
- * TolerANT and SCSI SCRIPTS are registered trademarks of NCR Corporation.
- * 
- * PRE-ALPHA
- *
- * For more information, please consult 
- *
- * NCR 53C700/53C700-66
- * SCSI I/O Processor
- * Data Manual
- *
- * NCR 53C810
- * PCI-SCSI I/O Processor 
- * Data Manual
- *
- * NCR Microelectronics
- * 1635 Aeroplaza Drive
- * Colorado Springs, CO 80916
- * +1 (719) 578-3400
- *
- * Toll free literature number
- * +1 (800) 334-5454
- *
- */
-
-#ifndef NCR53c710_H
-#define NCR53c710_H
-
-#ifndef HOSTS_C
-
-/* SCSI control 0 rw, default = 0xc0 */ 
-#define SCNTL0_REG 		0x00	
-#define SCNTL0_ARB1		0x80	/* 0 0 = simple arbitration */
-#define SCNTL0_ARB2		0x40	/* 1 1 = full arbitration */
-#define SCNTL0_STRT		0x20	/* Start Sequence */
-#define SCNTL0_WATN		0x10	/* Select with ATN */
-#define SCNTL0_EPC		0x08	/* Enable parity checking */
-/* Bit 2 is reserved on 800 series chips */
-#define SCNTL0_EPG_700		0x04	/* Enable parity generation */
-#define SCNTL0_AAP		0x02	/*  ATN/ on parity error */
-#define SCNTL0_TRG		0x01	/* Target mode */
-
-/* SCSI control 1 rw, default = 0x00 */
-
-#define SCNTL1_REG 		0x01	
-#define SCNTL1_EXC		0x80	/* Extra Clock Cycle of Data setup */
-#define SCNTL1_ADB		0x40	/*  contents of SODL on bus */
-#define SCNTL1_ESR_700		0x20	/* Enable SIOP response to selection 
-					   and reselection */
-#define SCNTL1_DHP_800		0x20	/* Disable halt on parity error or ATN
-					   target mode only */
-#define SCNTL1_CON		0x10	/* Connected */
-#define SCNTL1_RST		0x08	/* SCSI RST/ */
-#define SCNTL1_AESP		0x04	/* Force bad parity */
-#define SCNTL1_SND_700		0x02	/* Start SCSI send */
-#define SCNTL1_IARB_800		0x02	/* Immediate Arbitration, start
-					   arbitration immediately after
-					   busfree is detected */
-#define SCNTL1_RCV_700		0x01	/* Start SCSI receive */
-#define SCNTL1_SST_800		0x01	/* Start SCSI transfer */
-
-/* SCSI control 2 rw, */
-
-#define SCNTL2_REG_800		0x02	
-#define SCNTL2_800_SDU		0x80	/* SCSI disconnect unexpected */
-
-/* SCSI control 3 rw */
-
-#define SCNTL3_REG_800 		0x03	
-#define SCNTL3_800_SCF_SHIFT	4
-#define SCNTL3_800_SCF_MASK	0x70
-#define SCNTL3_800_SCF2		0x40	/* Synchronous divisor */
-#define SCNTL3_800_SCF1		0x20	/* 0x00 = SCLK/3 */
-#define SCNTL3_800_SCF0		0x10	/* 0x10 = SCLK/1 */
-					/* 0x20 = SCLK/1.5 
-					   0x30 = SCLK/2 
-					   0x40 = SCLK/3 */
-	    
-#define SCNTL3_800_CCF_SHIFT	0
-#define SCNTL3_800_CCF_MASK	0x07
-#define SCNTL3_800_CCF2		0x04	/* 0x00 50.01 to 66 */
-#define SCNTL3_800_CCF1		0x02	/* 0x01 16.67 to 25 */
-#define SCNTL3_800_CCF0		0x01	/* 0x02	25.01 - 37.5 
-					   0x03	37.51 - 50 
-					   0x04 50.01 - 66 */
-
-/*  
- * SCSI destination ID rw - the appropriate bit is set for the selected
- * target ID.  This is written by the SCSI SCRIPTS processor.
- * default = 0x00
- */
-#define SDID_REG_700  		0x02	
-#define SDID_REG_800		0x06
-
-#define GP_REG_800		0x07	/* General purpose IO */
-#define GP_800_IO1		0x02
-#define GP_800_IO2		0x01
-
-/* SCSI interrupt enable rw, default = 0x00 */
-#define SIEN_REG_700		0x03	
-#define SIEN0_REG_800		0x40
-#define SIEN_MA			0x80	/* Phase mismatch (ini) or ATN (tgt) */
-#define SIEN_FC			0x40	/* Function complete */
-#define SIEN_700_STO		0x20	/* Selection or reselection timeout */
-#define SIEN_800_SEL		0x20	/* Selected */
-#define SIEN_700_SEL		0x10	/* Selected or reselected */
-#define SIEN_800_RESEL		0x10	/* Reselected */
-#define SIEN_SGE		0x08	/* SCSI gross error */
-#define SIEN_UDC		0x04	/* Unexpected disconnect */
-#define SIEN_RST		0x02	/* SCSI RST/ received */
-#define SIEN_PAR		0x01	/* Parity error */
-
-/* 
- * SCSI chip ID rw
- * NCR53c700 : 
- * 	When arbitrating, the highest bit is used, when reselection or selection
- * 	occurs, the chip responds to all IDs for which a bit is set.
- * 	default = 0x00 
- * NCR53c810 : 
- *	Uses bit mapping
- */
-#define SCID_REG		0x04	
-/* Bit 7 is reserved on 800 series chips */
-#define SCID_800_RRE		0x40	/* Enable response to reselection */
-#define SCID_800_SRE		0x20	/* Enable response to selection */
-/* Bits four and three are reserved on 800 series chips */
-#define SCID_800_ENC_MASK	0x07	/* Encoded SCSI ID */
-
-/* SCSI transfer rw, default = 0x00 */
-#define SXFER_REG		0x05
-#define SXFER_DHP		0x80	/* Disable halt on parity */
-
-#define SXFER_TP2		0x40	/* Transfer period msb */
-#define SXFER_TP1		0x20
-#define SXFER_TP0		0x10	/* lsb */
-#define SXFER_TP_MASK		0x70
-/* FIXME : SXFER_TP_SHIFT == 5 is right for '8xx chips */
-#define SXFER_TP_SHIFT		5
-#define SXFER_TP_4		0x00	/* Divisors */
-#define SXFER_TP_5		0x10<<1
-#define SXFER_TP_6		0x20<<1
-#define SXFER_TP_7		0x30<<1
-#define SXFER_TP_8		0x40<<1
-#define SXFER_TP_9		0x50<<1
-#define SXFER_TP_10		0x60<<1
-#define SXFER_TP_11		0x70<<1
-
-#define SXFER_MO3		0x08	/* Max offset msb */
-#define SXFER_MO2		0x04
-#define SXFER_MO1		0x02
-#define SXFER_MO0		0x01	/* lsb */
-#define SXFER_MO_MASK		0x0f
-#define SXFER_MO_SHIFT		0
-
-/* 
- * SCSI output data latch rw
- * The contents of this register are driven onto the SCSI bus when 
- * the Assert Data Bus bit of the SCNTL1 register is set and 
- * the CD, IO, and MSG bits of the SOCL register match the SCSI phase
- */
-#define SODL_REG_700		0x06	
-#define SODL_REG_800		0x54
-
-
-/* 
- * SCSI output control latch rw, default = 0 
- * Note that when the chip is being manually programmed as an initiator,
- * the MSG, CD, and IO bits must be set correctly for the phase the target
- * is driving the bus in.  Otherwise no data transfer will occur due to 
- * phase mismatch.
- */
-
-#define SOCL_REG		0x07
-#define SOCL_REQ		0x80	/*  REQ */
-#define SOCL_ACK		0x40	/*  ACK */
-#define SOCL_BSY		0x20	/*  BSY */
-#define SOCL_SEL		0x10	/*  SEL */
-#define SOCL_ATN		0x08	/*  ATN */
-#define SOCL_MSG		0x04	/*  MSG */
-#define SOCL_CD			0x02	/*  C/D */
-#define SOCL_IO			0x01	/*  I/O */
-
-/* 
- * SCSI first byte received latch ro 
- * This register contains the first byte received during a block MOVE 
- * SCSI SCRIPTS instruction, including
- * 
- * Initiator mode	Target mode
- * Message in		Command
- * Status		Message out
- * Data in		Data out
- *
- * It also contains the selecting or reselecting device's ID and our 
- * ID.
- *
- * Note that this is the register the various IF conditionals can 
- * operate on.
- */
-#define SFBR_REG		0x08	
-
-/* 
- * SCSI input data latch ro
- * In initiator mode, data is latched into this register on the rising
- * edge of REQ/. In target mode, data is latched on the rising edge of 
- * ACK/
- */
-#define SIDL_REG_700		0x09
-#define SIDL_REG_800		0x50
-
-/* 
- * SCSI bus data lines ro 
- * This register reflects the instantaneous status of the SCSI data 
- * lines.  Note that SCNTL0 must be set to disable parity checking, 
- * otherwise reading this register will latch new parity.
- */
-#define SBDL_REG_700		0x0a
-#define SBDL_REG_800		0x58
-
-#define SSID_REG_800		0x0a
-#define SSID_800_VAL		0x80	/* Exactly two bits asserted at sel */
-#define SSID_800_ENCID_MASK	0x07	/* Device which performed operation */
-
-
-/* 
- * SCSI bus control lines rw, 
- * instantaneous readout of control lines 
- */
-#define SBCL_REG		0x0b 	
-#define SBCL_REQ		0x80	/*  REQ ro */
-#define SBCL_ACK		0x40	/*  ACK ro */
-#define SBCL_BSY		0x20	/*  BSY ro */
-#define SBCL_SEL		0x10	/*  SEL ro */
-#define SBCL_ATN		0x08	/*  ATN ro */
-#define SBCL_MSG		0x04	/*  MSG ro */
-#define SBCL_CD			0x02	/*  C/D ro */
-#define SBCL_IO			0x01	/*  I/O ro */
-#define SBCL_PHASE_CMDOUT	SBCL_CD
-#define SBCL_PHASE_DATAIN	SBCL_IO
-#define SBCL_PHASE_DATAOUT	0
-#define SBCL_PHASE_MSGIN	(SBCL_CD|SBCL_IO|SBCL_MSG)
-#define SBCL_PHASE_MSGOUT	(SBCL_CD|SBCL_MSG)
-#define SBCL_PHASE_STATIN	(SBCL_CD|SBCL_IO)
-#define SBCL_PHASE_MASK		(SBCL_CD|SBCL_IO|SBCL_MSG)
-/* 
- * Synchronous SCSI Clock Control bits 
- * 0 - set by DCNTL 
- * 1 - SCLK / 1.0
- * 2 - SCLK / 1.5
- * 3 - SCLK / 2.0 
- */
-#define SBCL_SSCF1		0x02	/* wo, -66 only */
-#define SBCL_SSCF0		0x01	/* wo, -66 only */
-#define SBCL_SSCF_MASK		0x03
-
-/* 
- * XXX note : when reading the DSTAT and STAT registers to clear interrupts,
- * insure that 10 clocks elapse between the two  
- */
-/* DMA status ro */
-#define DSTAT_REG		0x0c	
-#define DSTAT_DFE		0x80	/* DMA FIFO empty */
-#define DSTAT_800_MDPE		0x40	/* Master Data Parity Error */
-#define DSTAT_800_BF		0x20	/* Bus Fault */
-#define DSTAT_ABRT		0x10	/* Aborted - set on error */
-#define DSTAT_SSI		0x08	/* SCRIPTS single step interrupt */
-#define DSTAT_SIR		0x04	/* SCRIPTS interrupt received - 
-					   set when INT instruction is 
-					   executed */
-#define DSTAT_WTD		0x02	/* Watchdog timeout detected */
-#define DSTAT_OPC		0x01	/* Illegal instruction */
-#define DSTAT_800_IID		0x01	/* Same thing, different name */
-
-
-/* NCR53c800 moves this stuff into SIST0 */
-#define SSTAT0_REG		0x0d	/* SCSI status 0 ro */
-#define SIST0_REG_800		0x42	
-#define SSTAT0_MA		0x80	/* ini : phase mismatch,
-					 * tgt : ATN/ asserted 
-					 */
-#define SSTAT0_CMP		0x40	/* function complete */
-#define SSTAT0_700_STO		0x20	/* Selection or reselection timeout */
-#define SIST0_800_SEL		0x20	/* Selected */
-#define SSTAT0_700_SEL		0x10	/* Selected or reselected */
-#define SIST0_800_RSL		0x10	/* Reselected */
-#define SSTAT0_SGE		0x08	/* SCSI gross error */
-#define SSTAT0_UDC		0x04	/* Unexpected disconnect */
-#define SSTAT0_RST		0x02	/* SCSI RST/ received */
-#define SSTAT0_PAR		0x01	/* Parity error */
-
-/* And uses SSTAT0 for what was SSTAT1 */
-
-#define SSTAT1_REG		0x0e	/* SCSI status 1 ro */
-#define SSTAT1_ILF		0x80	/* SIDL full */
-#define SSTAT1_ORF		0x40	/* SODR full */
-#define SSTAT1_OLF		0x20	/* SODL full */
-#define SSTAT1_AIP		0x10	/* Arbitration in progress */
-#define SSTAT1_LOA		0x08	/* Lost arbitration */
-#define SSTAT1_WOA		0x04	/* Won arbitration */
-#define SSTAT1_RST		0x02	/* Instant readout of RST/ */
-#define SSTAT1_SDP		0x01	/* Instant readout of SDP/ */
-
-#define SSTAT2_REG		0x0f	/* SCSI status 2 ro */
-#define SSTAT2_FF3		0x80 	/* number of bytes in synchronous */
-#define SSTAT2_FF2		0x40	/* data FIFO */
-#define SSTAT2_FF1		0x20	
-#define SSTAT2_FF0		0x10
-#define SSTAT2_FF_MASK		0xf0
-#define SSTAT2_FF_SHIFT		4
-
-/* 
- * Latched signals, latched on the leading edge of REQ/ for initiators,
- * ACK/ for targets.
- */
-#define SSTAT2_SDP		0x08	/* SDP */
-#define SSTAT2_MSG		0x04	/* MSG */
-#define SSTAT2_CD		0x02	/* C/D */
-#define SSTAT2_IO		0x01	/* I/O */
-#define SSTAT2_PHASE_CMDOUT	SSTAT2_CD
-#define SSTAT2_PHASE_DATAIN	SSTAT2_IO
-#define SSTAT2_PHASE_DATAOUT	0
-#define SSTAT2_PHASE_MSGIN	(SSTAT2_CD|SSTAT2_IO|SSTAT2_MSG)
-#define SSTAT2_PHASE_MSGOUT	(SSTAT2_CD|SSTAT2_MSG)
-#define SSTAT2_PHASE_STATIN	(SSTAT2_CD|SSTAT2_IO)
-#define SSTAT2_PHASE_MASK	(SSTAT2_CD|SSTAT2_IO|SSTAT2_MSG)
-
-
-/* NCR53c700-66 only */
-#define SCRATCHA_REG_00		0x10    /* through  0x13 Scratch A rw */
-/* NCR53c710 and higher */
-#define DSA_REG			0x10	/* DATA structure address */
-
-#define CTEST0_REG_700		0x14	/* Chip test 0 ro */
-#define CTEST0_REG_800		0x18	/* Chip test 0 rw, general purpose */
-/* 0x80 - 0x04 are reserved */
-#define CTEST0_700_RTRG		0x02	/* Real target mode */
-#define CTEST0_700_DDIR		0x01	/* Data direction, 1 = 
-					 * SCSI bus to host, 0  =
-					 * host to SCSI.
-					 */
-
-#define CTEST1_REG_700		0x15	/* Chip test 1 ro */
-#define CTEST1_REG_800		0x19	/* Chip test 1 ro */
-#define CTEST1_FMT3		0x80	/* Identify which byte lanes are empty */
-#define CTEST1_FMT2		0x40 	/* in the DMA FIFO */
-#define CTEST1_FMT1		0x20
-#define CTEST1_FMT0		0x10
-
-#define CTEST1_FFL3		0x08	/* Identify which bytes lanes are full */
-#define CTEST1_FFL2		0x04	/* in the DMA FIFO */
-#define CTEST1_FFL1		0x02
-#define CTEST1_FFL0		0x01
-
-#define CTEST2_REG_700		0x16	/* Chip test 2 ro */
-#define CTEST2_REG_800		0x1a	/* Chip test 2 ro */
-
-#define CTEST2_800_DDIR		0x80	/* 1 = SCSI->host */
-#define CTEST2_800_SIGP		0x40	/* A copy of SIGP in ISTAT.
-					   Reading this register clears */
-#define CTEST2_800_CIO		0x20	/* Configured as IO */.
-#define CTEST2_800_CM		0x10	/* Configured as memory */
-
-/* 0x80 - 0x40 are reserved on 700 series chips */
-#define CTEST2_700_SOFF		0x20	/* SCSI Offset Compare,
-					 * As an initiator, this bit is 
-					 * one when the synchronous offset
-					 * is zero, as a target this bit 
-					 * is one when the synchronous 
-					 * offset is at the maximum
-					 * defined in SXFER
-					 */
-#define CTEST2_700_SFP		0x10	/* SCSI FIFO parity bit,
-					 * reading CTEST3 unloads a byte
-					 * from the FIFO and sets this
-					 */
-#define CTEST2_700_DFP		0x08	/* DMA FIFO parity bit,
-					 * reading CTEST6 unloads a byte
-					 * from the FIFO and sets this
-					 */
-#define CTEST2_TEOP		0x04	/* SCSI true end of process,
-					 * indicates a totally finished
-					 * transfer
-					 */
-#define CTEST2_DREQ		0x02	/* Data request signal */
-/* 0x01 is reserved on 700 series chips */
-#define CTEST2_800_DACK		0x01	
-
-/* 
- * Chip test 3 ro 
- * Unloads the bottom byte of the eight deep SCSI synchronous FIFO,
- * check SSTAT2 FIFO full bits to determine size.  Note that a GROSS
- * error results if a read is attempted on this register.  Also note 
- * that 16 and 32 bit reads of this register will cause corruption.
- */
-#define CTEST3_REG_700		0x17	
-/*  Chip test 3 rw */
-#define CTEST3_REG_800		0x1b
-#define CTEST3_800_V3		0x80	/* Chip revision */
-#define CTEST3_800_V2		0x40
-#define CTEST3_800_V1		0x20
-#define CTEST3_800_V0		0x10
-#define CTEST3_800_FLF		0x08	/* Flush DMA FIFO */
-#define CTEST3_800_CLF		0x04	/* Clear DMA FIFO */
-#define CTEST3_800_FM		0x02	/* Fetch mode pin */
-/* bit 0 is reserved on 800 series chips */
-
-#define CTEST4_REG_700		0x18	/* Chip test 4 rw */
-#define CTEST4_REG_800		0x21	/* Chip test 4 rw */
-/* 0x80 is reserved on 700 series chips */
-#define CTEST4_800_BDIS		0x80	/* Burst mode disable */
-#define CTEST4_ZMOD		0x40	/* High impedance mode */
-#define CTEST4_SZM		0x20	/* SCSI bus high impedance */
-#define CTEST4_700_SLBE		0x10	/* SCSI loopback enabled */
-#define CTEST4_800_SRTM		0x10	/* Shadow Register Test Mode */
-#define CTEST4_700_SFWR		0x08	/* SCSI FIFO write enable, 
-					 * redirects writes from SODL
-					 * to the SCSI FIFO.
-					 */
-#define CTEST4_800_MPEE		0x08	/* Enable parity checking
-					   during master cycles on PCI
-					   bus */
-
-/* 
- * These bits send the contents of the CTEST6 register to the appropriate
- * byte lane of the 32 bit DMA FIFO.  Normal operation is zero, otherwise 
- * the high bit means the low two bits select the byte lane.
- */
-#define CTEST4_FBL2		0x04	
-#define CTEST4_FBL1		0x02
-#define CTEST4_FBL0		0x01	
-#define CTEST4_FBL_MASK		0x07
-#define CTEST4_FBL_0		0x04	/* Select DMA FIFO byte lane 0 */
-#define CTEST4_FBL_1		0x05	/* Select DMA FIFO byte lane 1 */
-#define CTEST4_FBL_2		0x06	/* Select DMA FIFO byte lane 2 */
-#define CTEST4_FBL_3		0x07	/* Select DMA FIFO byte lane 3 */
-#define CTEST4_800_SAVE		(CTEST4_800_BDIS)
-
-
-#define CTEST5_REG_700		0x19	/* Chip test 5 rw */
-#define CTEST5_REG_800		0x22	/* Chip test 5 rw */
-/* 
- * Clock Address Incrementor.  When set, it increments the 
- * DNAD register to the next bus size boundary.  It automatically 
- * resets itself when the operation is complete.
- */
-#define CTEST5_ADCK		0x80
-/*
- * Clock Byte Counter.  When set, it decrements the DBC register to
- * the next bus size boundary.
- */
-#define CTEST5_BBCK		0x40
-/*
- * Reset SCSI Offset.  Setting this bit to 1 clears the current offset
- * pointer in the SCSI synchronous offset counter (SSTAT).  This bit
- * is set to 1 if a SCSI Gross Error Condition occurs.  The offset should
- * be cleared when a synchronous transfer fails.  When written, it is 
- * automatically cleared after the SCSI synchronous offset counter is 
- * reset.
- */
-/* Bit 5 is reserved on 800 series chips */
-#define CTEST5_700_ROFF		0x20
-/* 
- * Master Control for Set or Reset pulses. When 1, causes the low 
- * four bits of register to set when set, 0 causes the low bits to
- * clear when set.
- */
-#define CTEST5_MASR 		0x10	
-#define CTEST5_DDIR		0x08	/* DMA direction */
-/*
- * Bits 2-0 are reserved on 800 series chips
- */
-#define CTEST5_700_EOP		0x04	/* End of process */
-#define CTEST5_700_DREQ		0x02	/* Data request */
-#define CTEST5_700_DACK		0x01	/* Data acknowledge */
-
-/* 
- * Chip test 6 rw - writing to this register writes to the byte 
- * lane in the DMA FIFO as determined by the FBL bits in the CTEST4
- * register.
- */
-#define CTEST6_REG_700		0x1a
-#define CTEST6_REG_800		0x23
-
-#define CTEST7_REG		0x1b	/* Chip test 7 rw */
-/* 0x80 - 0x40 are reserved on NCR53c700 and NCR53c700-66 chips */
-#define CTEST7_10_CDIS		0x80	/* Cache burst disable */
-#define CTEST7_10_SC1		0x40	/* Snoop control bits */
-#define CTEST7_10_SC0		0x20	
-#define CTEST7_10_SC_MASK	0x60
-/* 0x20 is reserved on the NCR53c700 */
-#define CTEST7_0060_FM		0x20	/* Fetch mode */
-#define CTEST7_STD		0x10	/* Selection timeout disable */
-#define CTEST7_DFP		0x08	/* DMA FIFO parity bit for CTEST6 */
-#define CTEST7_EVP		0x04	/* 1 = host bus even parity, 0 = odd */
-#define CTEST7_10_TT1		0x02	/* Transfer type */
-#define CTEST7_00_DC		0x02	/* Set to drive DC low during instruction 
-					   fetch */
-#define CTEST7_DIFF		0x01	/* Differential mode */
-
-#define CTEST7_SAVE ( CTEST7_EVP | CTEST7_DIFF )
-
-
-#define TEMP_REG		0x1c	/* through 0x1f Temporary stack rw */
-
-#define DFIFO_REG		0x20	/* DMA FIFO rw */
-/* 
- * 0x80 is reserved on the NCR53c710, the CLF and FLF bits have been
- * moved into the CTEST8 register.
- */
-#define DFIFO_00_FLF		0x80	/* Flush DMA FIFO to memory */
-#define DFIFO_00_CLF		0x40	/* Clear DMA and SCSI FIFOs */
-#define DFIFO_BO6		0x40
-#define DFIFO_BO5		0x20
-#define DFIFO_BO4		0x10
-#define DFIFO_BO3		0x08
-#define DFIFO_BO2		0x04 
-#define DFIFO_BO1		0x02
-#define DFIFO_BO0		0x01
-#define DFIFO_10_BO_MASK	0x7f	/* 7 bit counter */
-#define DFIFO_00_BO_MASK	0x3f	/* 6 bit counter */
-
-/* 
- * Interrupt status rw 
- * Note that this is the only register which can be read while SCSI
- * SCRIPTS are being executed.
- */
-#define ISTAT_REG_700		0x21
-#define ISTAT_REG_800		0x14
-#define ISTAT_ABRT		0x80	/* Software abort, write 
-					 *1 to abort, wait for interrupt. */
-/* 0x40 and 0x20 are reserved on NCR53c700 and NCR53c700-66 chips */
-#define ISTAT_10_SRST		0x40	/* software reset */
-#define ISTAT_10_SIGP		0x20	/* signal script */
-/* 0x10 is reserved on NCR53c700 series chips */
-#define ISTAT_800_SEM		0x10	/* semaphore */
-#define ISTAT_CON		0x08	/* 1 when connected */
-#define ISTAT_800_INTF		0x04	/* Interrupt on the fly */
-#define ISTAT_700_PRE		0x04	/* Pointer register empty.
-					 * Set to 1 when DSPS and DSP
-					 * registers are empty in pipeline
-					 * mode, always set otherwise.
-					 */
-#define ISTAT_SIP		0x02	/* SCSI interrupt pending from
-					 * SCSI portion of SIOP see
-					 * SSTAT0
-					 */
-#define ISTAT_DIP		0x01	/* DMA interrupt pending 
-					 * see DSTAT
-					 */
-
-/* NCR53c700-66 and NCR53c710 only */
-#define CTEST8_REG		0x22	/* Chip test 8 rw */
-#define CTEST8_0066_EAS		0x80	/* Enable alternate SCSI clock,
-					 * ie read from SCLK/ rather than CLK/
-					 */
-#define CTEST8_0066_EFM		0x40	/* Enable fetch and master outputs */
-#define CTEST8_0066_GRP		0x20	/* Generate Receive Parity for 
-					 * pass through.  This insures that 
-					 * bad parity won't reach the host 
-					 * bus.
-					 */
-#define CTEST8_0066_TE		0x10	/* TolerANT enable.  Enable 
-					 * active negation, should only
-					 * be used for slow SCSI 
-					 * non-differential.
-					 */
-#define CTEST8_0066_HSC		0x08	/* Halt SCSI clock */
-#define CTEST8_0066_SRA		0x04	/* Shorten REQ/ACK filtering,
-					 * must be set for fast SCSI-II
-					 * speeds.
-					 */
-#define CTEST8_0066_DAS		0x02	/* Disable automatic target/initiator
-					 * switching.
-					 */
-#define CTEST8_0066_LDE		0x01	/* Last disconnect enable.
-					 * The status of pending 
-					 * disconnect is maintained by
-					 * the core, eliminating
-					 * the possibility of missing a 
-					 * selection or reselection
-					 * while waiting to fetch a 
-					 * WAIT DISCONNECT opcode.
-					 */
-
-#define CTEST8_10_V3		0x80	/* Chip revision */
-#define CTEST8_10_V2		0x40
-#define CTEST8_10_V1		0x20	
-#define CTEST8_10_V0		0x10
-#define CTEST8_10_V_MASK	0xf0	
-#define CTEST8_10_FLF		0x08	/* Flush FIFOs */
-#define CTEST8_10_CLF		0x04	/* Clear FIFOs */
-#define CTEST8_10_FM		0x02	/* Fetch pin mode */
-#define CTEST8_10_SM		0x01	/* Snoop pin mode */
-
-
-/* 
- * The CTEST9 register may be used to differentiate between a
- * NCR53c700 and a NCR53c710.  
- *
- * Write 0xff to this register.
- * Read it.
- * If the contents are 0xff, it is a NCR53c700
- * If the contents are 0x00, it is a NCR53c700-66 first revision
- * If the contents are some other value, it is some other NCR53c700-66
- */
-#define CTEST9_REG_00		0x23	/* Chip test 9 ro */
-#define LCRC_REG_10		0x23	
-
-/*
- * 0x24 through 0x27 are the DMA byte counter register.  Instructions
- * write their high 8 bits into the DCMD register, the low 24 bits into
- * the DBC register.
- *
- * Function is dependent on the command type being executed.
- */
-
- 
-#define DBC_REG			0x24
-/* 
- * For Block Move Instructions, DBC is a 24 bit quantity representing 
- *     the number of bytes to transfer.
- * For Transfer Control Instructions, DBC is bit fielded as follows : 
- */
-/* Bits 20 - 23 should be clear */
-#define DBC_TCI_TRUE		(1 << 19) 	/* Jump when true */
-#define DBC_TCI_COMPARE_DATA	(1 << 18)	/* Compare data */
-#define DBC_TCI_COMPARE_PHASE	(1 << 17)	/* Compare phase with DCMD field */
-#define DBC_TCI_WAIT_FOR_VALID	(1 << 16)	/* Wait for REQ */
-/* Bits 8 - 15 are reserved on some implementations ? */
-#define DBC_TCI_MASK_MASK	0xff00 		/* Mask for data compare */
-#define DBC_TCI_MASK_SHIFT	8
-#define DBC_TCI_DATA_MASK	0xff		/* Data to be compared */ 
-#define DBC_TCI_DATA_SHIFT	0
-
-#define DBC_RWRI_IMMEDIATE_MASK	0xff00		/* Immediate data */
-#define DBC_RWRI_IMMEDIATE_SHIFT 8		/* Amount to shift */
-#define DBC_RWRI_ADDRESS_MASK	0x3f0000	/* Register address */
-#define DBC_RWRI_ADDRESS_SHIFT 	16
-
-
-/*
- * DMA command r/w
- */
-#define DCMD_REG		0x27	
-#define DCMD_TYPE_MASK		0xc0	/* Masks off type */
-#define DCMD_TYPE_BMI		0x00	/* Indicates a Block Move instruction */
-#define DCMD_BMI_IO		0x01	/* I/O, CD, and MSG bits selecting   */
-#define DCMD_BMI_CD		0x02	/* the phase for the block MOVE      */
-#define DCMD_BMI_MSG		0x04	/* instruction 			     */
-
-#define DCMD_BMI_OP_MASK	0x18	/* mask for opcode */
-#define DCMD_BMI_OP_MOVE_T	0x00	/* MOVE */
-#define DCMD_BMI_OP_MOVE_I	0x08	/* MOVE Initiator */
-
-#define DCMD_BMI_INDIRECT	0x20	/*  Indirect addressing */
-
-#define DCMD_TYPE_TCI		0x80	/* Indicates a Transfer Control 
-					   instruction */
-#define DCMD_TCI_IO		0x01	/* I/O, CD, and MSG bits selecting   */
-#define DCMD_TCI_CD		0x02	/* the phase for the block MOVE      */
-#define DCMD_TCI_MSG		0x04	/* instruction 			     */
-#define DCMD_TCI_OP_MASK	0x38	/* mask for opcode */
-#define DCMD_TCI_OP_JUMP	0x00	/* JUMP */
-#define DCMD_TCI_OP_CALL	0x08	/* CALL */
-#define DCMD_TCI_OP_RETURN	0x10	/* RETURN */
-#define DCMD_TCI_OP_INT		0x18	/* INT */
-
-#define DCMD_TYPE_RWRI		0x40	/* Indicates I/O or register Read/Write
-					   instruction */
-#define DCMD_RWRI_OPC_MASK	0x38	/* Opcode mask */
-#define DCMD_RWRI_OPC_WRITE	0x28	/* Write SFBR to register */
-#define DCMD_RWRI_OPC_READ	0x30	/* Read register to SFBR */
-#define DCMD_RWRI_OPC_MODIFY	0x38	/* Modify in place */
-
-#define DCMD_RWRI_OP_MASK	0x07
-#define DCMD_RWRI_OP_MOVE	0x00
-#define DCMD_RWRI_OP_SHL	0x01
-#define DCMD_RWRI_OP_OR		0x02
-#define DCMD_RWRI_OP_XOR	0x03
-#define DCMD_RWRI_OP_AND	0x04
-#define DCMD_RWRI_OP_SHR	0x05
-#define DCMD_RWRI_OP_ADD	0x06
-#define DCMD_RWRI_OP_ADDC	0x07
-
-#define DCMD_TYPE_MMI		0xc0	/* Indicates a Memory Move instruction 
-					   (three words) */
-
-
-#define DNAD_REG		0x28	/* through 0x2b DMA next address for 
-					   data */
-#define DSP_REG			0x2c	/* through 0x2f DMA SCRIPTS pointer rw */
-#define DSPS_REG		0x30	/* through 0x33 DMA SCRIPTS pointer 
-					   save rw */
-#define DMODE_REG_00		0x34 	/* DMA mode rw */
-#define DMODE_00_BL1	0x80	/* Burst length bits */
-#define DMODE_00_BL0	0x40
-#define DMODE_BL_MASK	0xc0
-/* Burst lengths (800) */
-#define DMODE_BL_2	0x00	/* 2 transfer */
-#define DMODE_BL_4	0x40	/* 4 transfers */
-#define DMODE_BL_8	0x80	/* 8 transfers */
-#define DMODE_BL_16	0xc0	/* 16 transfers */
-
-#define DMODE_10_BL_1	0x00	/* 1 transfer */
-#define DMODE_10_BL_2	0x40	/* 2 transfers */
-#define DMODE_10_BL_4	0x80	/* 4 transfers */
-#define DMODE_10_BL_8	0xc0	/* 8 transfers */
-#define DMODE_10_FC2	0x20	/* Driven to FC2 pin */
-#define DMODE_10_FC1	0x10	/* Driven to FC1 pin */
-#define DMODE_710_PD	0x08	/* Program/data on FC0 pin */
-#define DMODE_710_UO	0x02	/* User prog. output */
-
-#define DMODE_700_BW16	0x20	/* Host buswidth = 16 */
-#define DMODE_700_286	0x10	/* 286 mode */
-#define DMODE_700_IOM	0x08	/* Transfer to IO port */
-#define DMODE_700_FAM	0x04	/* Fixed address mode */
-#define DMODE_700_PIPE	0x02	/* Pipeline mode disables 
-					 * automatic fetch / exec 
-					 */
-#define DMODE_MAN	0x01		/* Manual start mode, 
-					 * requires a 1 to be written
-					 * to the start DMA bit in the DCNTL
-					 * register to run scripts 
-					 */
-
-#define DMODE_700_SAVE ( DMODE_00_BL_MASK | DMODE_00_BW16 | DMODE_00_286 )
-
-/* NCR53c800 series only */
-#define SCRATCHA_REG_800	0x34	/* through 0x37 Scratch A rw */
-/* NCR53c710 only */
-#define SCRATCHB_REG_10		0x34	/* through 0x37 scratch B rw */
-
-#define DMODE_REG_10    	0x38	/* DMA mode rw, NCR53c710 and newer */
-#define DMODE_800_SIOM		0x20	/* Source IO = 1 */
-#define DMODE_800_DIOM		0x10	/* Destination IO = 1 */
-#define DMODE_800_ERL		0x08	/* Enable Read Line */
-
-/* 35-38 are reserved on 700 and 700-66 series chips */
-#define DIEN_REG		0x39	/* DMA interrupt enable rw */
-/* 0x80, 0x40, and 0x20 are reserved on 700-series chips */
-#define DIEN_800_MDPE		0x40	/* Master data parity error */
-#define DIEN_800_BF		0x20	/* BUS fault */
-#define DIEN_700_BF		0x20	/* BUS fault */
-#define DIEN_ABRT		0x10	/* Enable aborted interrupt */
-#define DIEN_SSI		0x08	/* Enable single step interrupt */
-#define DIEN_SIR		0x04	/* Enable SCRIPTS INT command 
-					 * interrupt
-					 */
-/* 0x02 is reserved on 800 series chips */
-#define DIEN_700_WTD		0x02	/* Enable watchdog timeout interrupt */
-#define DIEN_700_OPC		0x01	/* Enable illegal instruction 
-					 * interrupt 
-					 */
-#define DIEN_800_IID		0x01	/*  Same meaning, different name */ 
-
-/*
- * DMA watchdog timer rw
- * set in 16 CLK input periods.
- */
-#define DWT_REG			0x3a
-
-/* DMA control rw */
-#define DCNTL_REG		0x3b
-#define DCNTL_700_CF1		0x80	/* Clock divisor bits */
-#define DCNTL_700_CF0		0x40
-#define DCNTL_700_CF_MASK	0xc0
-/* Clock divisors 			   Divisor SCLK range (MHZ) */
-#define DCNTL_700_CF_2		0x00    /* 2.0	   37.51-50.00 */
-#define DCNTL_700_CF_1_5	0x40	/* 1.5	   25.01-37.50 */
-#define DCNTL_700_CF_1		0x80	/* 1.0     16.67-25.00 */
-#define DCNTL_700_CF_3		0xc0	/* 3.0	   50.01-66.67 (53c700-66) */
-
-#define DCNTL_700_S16		0x20	/* Load scripts 16 bits at a time */
-#define DCNTL_SSM		0x10	/* Single step mode */
-#define DCNTL_700_LLM		0x08	/* Low level mode, can only be set 
-					 * after selection */
-#define DCNTL_800_IRQM		0x08	/* Totem pole IRQ pin */
-#define DCNTL_STD		0x04	/* Start DMA / SCRIPTS */
-/* 0x02 is reserved */
-#define DCNTL_00_RST		0x01	/* Software reset, resets everything
-					 * but 286 mode bit  in DMODE. On the
-					 * NCR53c710, this bit moved to CTEST8
-					 */
-#define DCNTL_10_COM		0x01	/* 700 software compatibility mode */
-#define DCNTL_10_EA		0x20	/* Enable Ack - needed for MVME16x */
-
-#define DCNTL_700_SAVE ( DCNTL_CF_MASK | DCNTL_S16)
-
-
-/* NCR53c700-66 only */
-#define SCRATCHB_REG_00		0x3c	/* through 0x3f scratch b rw */
-#define SCRATCHB_REG_800	0x5c	/* through 0x5f scratch b rw */
-/* NCR53c710 only */
-#define ADDER_REG_10		0x3c	/* Adder, NCR53c710 only */
-
-#define SIEN1_REG_800		0x41
-#define SIEN1_800_STO		0x04	/* selection/reselection timeout */
-#define SIEN1_800_GEN		0x02	/* general purpose timer */
-#define SIEN1_800_HTH		0x01	/* handshake to handshake */
-
-#define SIST1_REG_800		0x43
-#define SIST1_800_STO		0x04	/* selection/reselection timeout */
-#define SIST1_800_GEN		0x02	/* general purpose timer */
-#define SIST1_800_HTH		0x01	/* handshake to handshake */
-
-#define SLPAR_REG_800		0x44	/* Parity */
-
-#define MACNTL_REG_800		0x46	/* Memory access control */
-#define MACNTL_800_TYP3		0x80
-#define MACNTL_800_TYP2		0x40
-#define MACNTL_800_TYP1		0x20
-#define MACNTL_800_TYP0		0x10
-#define MACNTL_800_DWR		0x08
-#define MACNTL_800_DRD		0x04
-#define MACNTL_800_PSCPT	0x02
-#define MACNTL_800_SCPTS	0x01
-
-#define GPCNTL_REG_800		0x47	/* General Purpose Pin Control */
-
-/* Timeouts are expressed such that 0=off, 1=100us, doubling after that */
-#define STIME0_REG_800		0x48	/* SCSI Timer Register 0 */
-#define STIME0_800_HTH_MASK	0xf0	/* Handshake to Handshake timeout */
-#define STIME0_800_HTH_SHIFT	4
-#define STIME0_800_SEL_MASK	0x0f	/* Selection timeout */
-#define STIME0_800_SEL_SHIFT	0
-
-#define STIME1_REG_800		0x49
-#define STIME1_800_GEN_MASK	0x0f	/* General purpose timer */
-
-#define RESPID_REG_800		0x4a	/* Response ID, bit fielded.  8
-					   bits on narrow chips, 16 on WIDE */
-
-#define STEST0_REG_800		0x4c	
-#define STEST0_800_SLT		0x08	/* Selection response logic test */
-#define STEST0_800_ART		0x04	/* Arbitration priority encoder test */
-#define STEST0_800_SOZ		0x02	/* Synchronous offset zero */
-#define STEST0_800_SOM		0x01	/* Synchronous offset maximum */
-
-#define STEST1_REG_800		0x4d
-#define STEST1_800_SCLK		0x80	/* Disable SCSI clock */
-
-#define STEST2_REG_800		0x4e	
-#define STEST2_800_SCE		0x80	/* Enable SOCL/SODL */
-#define STEST2_800_ROF		0x40	/* Reset SCSI sync offset */
-#define STEST2_800_SLB		0x10	/* Enable SCSI loopback mode */
-#define STEST2_800_SZM		0x08	/* SCSI high impedance mode */
-#define STEST2_800_EXT		0x02	/* Extend REQ/ACK filter 30 to 60ns */
-#define STEST2_800_LOW		0x01	/* SCSI low level mode */
-
-#define STEST3_REG_800		0x4f	 
-#define STEST3_800_TE		0x80	/* Enable active negation */
-#define STEST3_800_STR		0x40	/* SCSI FIFO test read */
-#define STEST3_800_HSC		0x20	/* Halt SCSI clock */
-#define STEST3_800_DSI		0x10	/* Disable single initiator response */
-#define STEST3_800_TTM		0x04	/* Time test mode */
-#define STEST3_800_CSF		0x02	/* Clear SCSI FIFO */
-#define STEST3_800_STW		0x01	/* SCSI FIFO test write */
-
-#define OPTION_PARITY 		0x1	/* Enable parity checking */
-#define OPTION_TAGGED_QUEUE	0x2	/* Enable SCSI-II tagged queuing */
-#define OPTION_700		0x8	/* Always run NCR53c700 scripts */
-#define OPTION_INTFLY		0x10	/* Use INTFLY interrupts */
-#define OPTION_DEBUG_INTR	0x20	/* Debug interrupts */
-#define OPTION_DEBUG_INIT_ONLY	0x40	/* Run initialization code and 
-					   simple test code, return
-					   DID_NO_CONNECT if any SCSI
-					   commands are attempted. */
-#define OPTION_DEBUG_READ_ONLY	0x80	/* Return DID_ERROR if any 
-					   SCSI write is attempted */
-#define OPTION_DEBUG_TRACE	0x100	/* Animated trace mode, print 
-					   each address and instruction 
-					   executed to debug buffer. */
-#define OPTION_DEBUG_SINGLE	0x200	/* stop after executing one 
-					   instruction */
-#define OPTION_SYNCHRONOUS	0x400	/* Enable sync SCSI.  */
-#define OPTION_MEMORY_MAPPED	0x800	/* NCR registers have valid 
-					   memory mapping */
-#define OPTION_IO_MAPPED	0x1000  /* NCR registers have valid
-					     I/O mapping */
-#define OPTION_DEBUG_PROBE_ONLY	0x2000  /* Probe only, don't even init */
-#define OPTION_DEBUG_TESTS_ONLY	0x4000  /* Probe, init, run selected tests */
-#define OPTION_DEBUG_TEST0	0x08000 /* Run test 0 */
-#define OPTION_DEBUG_TEST1	0x10000 /* Run test 1 */
-#define OPTION_DEBUG_TEST2	0x20000 /* Run test 2 */
-#define OPTION_DEBUG_DUMP	0x40000 /* Dump commands */
-#define OPTION_DEBUG_TARGET_LIMIT 0x80000 /* Only talk to target+luns specified */
-#define OPTION_DEBUG_NCOMMANDS_LIMIT 0x100000 /* Limit the number of commands */
-#define OPTION_DEBUG_SCRIPT 0x200000 /* Print when checkpoints are passed */
-#define OPTION_DEBUG_FIXUP 0x400000 /* print fixup values */
-#define OPTION_DEBUG_DSA 0x800000
-#define OPTION_DEBUG_CORRUPTION	0x1000000	/* Detect script corruption */
-#define OPTION_DEBUG_SDTR       0x2000000	/* Debug SDTR problem */
-#define OPTION_DEBUG_MISMATCH 	0x4000000 	/* Debug phase mismatches */
-#define OPTION_DISCONNECT	0x8000000	/* Allow disconnect */
-#define OPTION_DEBUG_DISCONNECT 0x10000000	
-#define OPTION_ALWAYS_SYNCHRONOUS 0x20000000	/* Negotiate sync. transfers
-						   on power up */
-#define OPTION_DEBUG_QUEUES	0x80000000	
-#define OPTION_DEBUG_ALLOCATION 0x100000000LL
-#define OPTION_DEBUG_SYNCHRONOUS 0x200000000LL	/* Sanity check SXFER and 
-						   SCNTL3 registers */
-#define OPTION_NO_ASYNC	0x400000000LL		/* Don't automagically send
-						   SDTR for async transfers when
-						   we haven't been told to do
-						   a synchronous transfer. */
-#define OPTION_NO_PRINT_RACE 0x800000000LL	/* Don't print message when
-						   the reselect/WAIT DISCONNECT
-						   race condition hits */
-#if !defined(PERM_OPTIONS)
-#define PERM_OPTIONS 0
-#endif
-				
-/*
- * Some data which is accessed by the NCR chip must be 4-byte aligned.
- * For some hosts the default is less than that (eg. 68K uses 2-byte).
- * Alignment has only been forced where it is important; also if one
- * 32 bit structure field is aligned then it is assumed that following
- * 32 bit fields are also aligned.  Take care when adding fields
- * which are other than 32 bit.
- */
-
-struct NCR53c7x0_synchronous {
-    u32 select_indirect			/* Value used for indirect selection */
-	__attribute__ ((aligned (4)));
-    u32 sscf_710;			/* Used to set SSCF bits for 710 */
-    u32 script[8];			/* Size ?? Script used when target is 
-						reselected */
-    unsigned char synchronous_want[5];	/* Per target desired SDTR */
-/* 
- * Set_synchronous programs these, select_indirect and current settings after
- * int_debug_should show a match.
- */
-    unsigned char sxfer_sanity, scntl3_sanity;
-};
-
-#define CMD_FLAG_SDTR 		1	/* Initiating synchronous 
-					   transfer negotiation */
-#define CMD_FLAG_WDTR		2	/* Initiating wide transfer
-					   negotiation */
-#define CMD_FLAG_DID_SDTR	4	/* did SDTR */
-#define CMD_FLAG_DID_WDTR	8	/* did WDTR */
-
-struct NCR53c7x0_table_indirect {
-    u32 count;
-    void *address;
-};
-
-enum ncr_event { 
-    EVENT_NONE = 0,
-/* 
- * Order is IMPORTANT, since these must correspond to the event interrupts
- * in 53c7,8xx.scr 
- */
-
-    EVENT_ISSUE_QUEUE = 0x5000000,	/* 0 Command was added to issue queue */
-    EVENT_START_QUEUE,			/* 1 Command moved to start queue */
-    EVENT_SELECT,			/* 2 Command completed selection */
-    EVENT_DISCONNECT,			/* 3 Command disconnected */
-    EVENT_RESELECT,			/* 4 Command reselected */
-    EVENT_COMPLETE,		        /* 5 Command completed */
-    EVENT_IDLE,				/* 6 */
-    EVENT_SELECT_FAILED,		/* 7 */
-    EVENT_BEFORE_SELECT,		/* 8 */
-    EVENT_RESELECT_FAILED		/* 9 */
-};
-
-struct NCR53c7x0_event {
-    enum ncr_event event;	/* What type of event */
-    unsigned char target;
-    unsigned char lun;
-    struct timeval time;	
-    u32 *dsa;			/* What's in the DSA register now (virt) */
-/* 
- * A few things from that SCSI pid so we know what happened after 
- * the Scsi_Cmnd structure in question may have disappeared.
- */
-    unsigned long pid;		/* The SCSI PID which caused this 
-				   event */
-    unsigned char cmnd[12];
-};
-
-/*
- * Things in the NCR53c7x0_cmd structure are split into two parts :
- *
- * 1.  A fixed portion, for things which are not accessed directly by static NCR
- *	code (ie, are referenced only by the Linux side of the driver,
- *	or only by dynamically generated code).  
- *
- * 2.  The DSA portion, for things which are accessed directly by static NCR
- *	code.
- *
- * This is a little ugly, but it 
- * 1.  Avoids conflicts between the NCR code's picture of the structure, and 
- * 	Linux code's idea of what it looks like.
- *
- * 2.  Minimizes the pain in the Linux side of the code needed 
- * 	to calculate real dsa locations for things, etc.
- * 
- */
-
-struct NCR53c7x0_cmd {
-    void *real;				/* Real, unaligned address for
-					   free function */
-    void (* free)(void *, int);		/* Command to deallocate; NULL
-					   for structures allocated with
-					   scsi_register, etc. */
-    Scsi_Cmnd *cmd;			/* Associated Scsi_Cmnd 
-					   structure, Scsi_Cmnd points
-					   at NCR53c7x0_cmd using 
-					   host_scribble structure */
-
-    int size;				/* scsi_malloc'd size of this 
-					   structure */
-
-    int flags;				/* CMD_* flags */
-
-    unsigned char      cmnd[12];	/* CDB, copied from Scsi_Cmnd */
-    int                result;		/* Copy to Scsi_Cmnd when done */
-
-    struct {				/* Private non-cached bounce buffer */
-        unsigned char buf[256];
-	u32	      addr;
-        u32           len;
-    } bounce;
-
-/*
- * SDTR and WIDE messages are an either/or affair
- * in this message, since we will go into message out and send
- * _the whole mess_ without dropping out of message out to 
- * let the target go into message in after sending the first 
- * message.
- */
-
-    unsigned char select[11];		/* Select message, includes
-					   IDENTIFY
-					   (optional) QUEUE TAG
- 				 	   (optional) SDTR or WDTR
-					 */
-
-
-    volatile struct NCR53c7x0_cmd *next; /* Linux maintained lists (free,
-					    running, eventually finished */
-    					 
-
-    u32 *data_transfer_start;		/* Start of data transfer routines */
-    u32 *data_transfer_end;		/* Address after end of data transfer o
-    	    	    	    	    	   routines */
-/* 
- * The following three fields were moved from the DSA proper to here
- * since only dynamically generated NCR code refers to them, meaning
- * we don't need dsa_* absolutes, and it is simpler to let the 
- * host code refer to them directly.
- */
-
-/* 
- * HARD CODED : residual and saved_residual need to agree with the sizes
- * used in NCR53c7,8xx.scr.  
- * 
- * FIXME: we want to consider the case where we have odd-length 
- *	scatter/gather buffers and a WIDE transfer, in which case 
- *	we'll need to use the CHAIN MOVE instruction.  Ick.
- */
-    u32 residual[6] __attribute__ ((aligned (4)));
-					/* Residual data transfer which
-					   allows pointer code to work
-					   right.
-
-    	    	    	    	    	    [0-1] : Conditional call to 
-    	    	    	    	    	    	appropriate other transfer 
-    	    	    	    	    	    	routine.
-    	    	    	    	    	    [2-3] : Residual block transfer
-    	    	    	    	    	    	instruction.
-    	    	    	    	    	    [4-5] : Jump to instruction
-    	    	    	    	    	    	after splice.
-					 */
-    u32 saved_residual[6]; 		/* Copy of old residual, so we 
-					   can get another partial 
-					   transfer and still recover 
-    	    	    	    	    	 */
-    	    	
-    u32 saved_data_pointer;		/* Saved data pointer */
-
-    u32 dsa_next_addr;		        /* _Address_ of dsa_next field  
-					   in this dsa for RISCy 
-					   style constant. */
-
-    u32 dsa_addr;			/* Address of dsa; RISCy style
-					   constant */
-
-    u32 dsa[0];				/* Variable length (depending
-					   on host type, number of scatter /
-					   gather buffers, etc).  */
-};
-
-struct NCR53c7x0_break {
-    u32 *address, old_instruction[2];
-    struct NCR53c7x0_break *next;
-    unsigned char old_size;		/* Size of old instruction */
-};
-
-/* Indicates that the NCR is not executing code */
-#define STATE_HALTED	0		
-/* 
- * Indicates that the NCR is executing the wait for select / reselect 
- * script.  Only used when running NCR53c700 compatible scripts, only 
- * state during which an ABORT is _not_ considered an error condition.
- */
-#define STATE_WAITING	1		
-/* Indicates that the NCR is executing other code. */
-#define STATE_RUNNING	2		
-/* 
- * Indicates that the NCR was being aborted.
- */
-#define STATE_ABORTING	3
-/* Indicates that the NCR was successfully aborted. */
-#define STATE_ABORTED 4
-/* Indicates that the NCR has been disabled due to a fatal error */
-#define STATE_DISABLED 5
-
-/* 
- * Where knowledge of SCSI SCRIPT(tm) specified values are needed 
- * in an interrupt handler, an interrupt handler exists for each 
- * different SCSI script so we don't have name space problems.
- * 
- * Return values of these handlers are as follows : 
- */
-#define SPECIFIC_INT_NOTHING 	0	/* don't even restart */
-#define SPECIFIC_INT_RESTART	1	/* restart at the next instruction */
-#define SPECIFIC_INT_ABORT	2	/* recoverable error, abort cmd */
-#define SPECIFIC_INT_PANIC	3	/* unrecoverable error, panic */
-#define SPECIFIC_INT_DONE	4	/* normal command completion */
-#define SPECIFIC_INT_BREAK	5	/* break point encountered */
-
-struct NCR53c7x0_hostdata {
-    int size;				/* Size of entire Scsi_Host
-					   structure */
-    int board;				/* set to board type, useful if 
-					   we have host specific things,
-					   ie, a general purpose I/O 
-					   bit is being used to enable
-					   termination, etc. */
-
-    int chip;				/* set to chip type; 700-66 is
-					   700-66, rest are last three
-					   digits of part number */
-
-    char valid_ids[8];			/* Valid SCSI ID's for adapter */
-
-    u32 *dsp;				/* dsp to restart with after
-					   all stacked interrupts are
-					   handled. */
-
-    unsigned dsp_changed:1;		/* Has dsp changed within this
-					   set of stacked interrupts ? */
-
-    unsigned char dstat;		/* Most recent value of dstat */
-    unsigned dstat_valid:1;
-
-    unsigned expecting_iid:1;		/* Expect IID interrupt */
-    unsigned expecting_sto:1;		/* Expect STO interrupt */
-    
-    /* 
-     * The code stays cleaner if we use variables with function
-     * pointers and offsets that are unique for the different
-     * scripts rather than having a slew of switch(hostdata->chip) 
-     * statements.
-     * 
-     * It also means that the #defines from the SCSI SCRIPTS(tm)
-     * don't have to be visible outside of the script-specific
-     * instructions, preventing name space pollution.
-     */
-
-    void (* init_fixup)(struct Scsi_Host *host);
-    void (* init_save_regs)(struct Scsi_Host *host);
-    void (* dsa_fixup)(struct NCR53c7x0_cmd *cmd);
-    void (* soft_reset)(struct Scsi_Host *host);
-    int (* run_tests)(struct Scsi_Host *host);
-
-    /*
-     * Called when DSTAT_SIR is set, indicating an interrupt generated
-     * by the INT instruction, where values are unique for each SCSI
-     * script.  Should return one of the SPEC_* values.
-     */
-
-    int (* dstat_sir_intr)(struct Scsi_Host *host, struct NCR53c7x0_cmd *cmd);
-
-    int dsa_len; /* Size of DSA structure */
-
-    /*
-     * Location of DSA fields for the SCSI SCRIPT corresponding to this 
-     * chip.  
-     */
-
-    s32 dsa_start;			
-    s32 dsa_end;			
-    s32 dsa_next;
-    s32 dsa_prev;
-    s32 dsa_cmnd;
-    s32 dsa_select;
-    s32 dsa_msgout;
-    s32 dsa_cmdout;
-    s32 dsa_dataout;
-    s32 dsa_datain;
-    s32 dsa_msgin;
-    s32 dsa_msgout_other;
-    s32 dsa_write_sync;
-    s32 dsa_write_resume;
-    s32 dsa_check_reselect;
-    s32 dsa_status;
-    s32 dsa_saved_pointer;
-    s32 dsa_jump_dest;
-
-    /* 
-     * Important entry points that generic fixup code needs
-     * to know about, fixed up.
-     */
-
-    s32 E_accept_message;
-    s32 E_command_complete;		
-    s32 E_data_transfer;
-    s32 E_dsa_code_template;
-    s32 E_dsa_code_template_end;
-    s32 E_end_data_transfer;
-    s32 E_msg_in;
-    s32 E_initiator_abort;
-    s32 E_other_transfer;
-    s32 E_other_in;
-    s32 E_other_out;
-    s32 E_target_abort;
-    s32 E_debug_break;	
-    s32 E_reject_message;
-    s32 E_respond_message;
-    s32 E_select;
-    s32 E_select_msgout;
-    s32 E_test_0;
-    s32 E_test_1;
-    s32 E_test_2;
-    s32 E_test_3;
-    s32 E_dsa_zero;
-    s32 E_cmdout_cmdout;
-    s32 E_wait_reselect;
-    s32 E_dsa_code_begin;
-
-    long long options;			/* Bitfielded set of options enabled */
-    volatile u32 test_completed;	/* Test completed */
-    int test_running;			/* Test currently running */
-    s32 test_source
-	__attribute__ ((aligned (4)));
-    volatile s32 test_dest;
-
-    volatile int state;			/* state of driver, only used for 
-					   OPTION_700 */
-
-    unsigned char  dmode;		/* 
-					 * set to the address of the DMODE 
-					 * register for this chip.
-					 */
-    unsigned char istat;		/* 
-    	    	    	    	    	 * set to the address of the ISTAT 
-    	    	    	    	    	 * register for this chip.
-    	    	    	    	    	 */
-  
-    int scsi_clock;			/* 
-					 * SCSI clock in HZ. 0 may be used 
-					 * for unknown, although this will
-					 * disable synchronous negotiation.
-					 */
-
-    volatile int intrs;			/* Number of interrupts */
-    volatile int resets;		/* Number of SCSI resets */
-    unsigned char saved_dmode;	
-    unsigned char saved_ctest4;
-    unsigned char saved_ctest7;
-    unsigned char saved_dcntl;
-    unsigned char saved_scntl3;
-
-    unsigned char this_id_mask;
-
-    /* Debugger information */
-    struct NCR53c7x0_break *breakpoints, /* Linked list of all break points */
-	*breakpoint_current;		/* Current breakpoint being stepped 
-					   through, NULL if we are running 
-					   normally. */
-#ifdef NCR_DEBUG
-    int debug_size;			/* Size of debug buffer */
-    volatile int debug_count;		/* Current data count */
-    volatile char *debug_buf;		/* Output ring buffer */
-    volatile char *debug_write;		/* Current write pointer */
-    volatile char *debug_read;		/* Current read pointer */
-#endif /* def NCR_DEBUG */
-
-    /* XXX - primitive debugging junk, remove when working ? */
-    int debug_print_limit;		/* Number of commands to print
-					   out exhaustive debugging
-					   information for if 
-					   OPTION_DEBUG_DUMP is set */ 
-
-    unsigned char debug_lun_limit[16];	/* If OPTION_DEBUG_TARGET_LIMIT
-					   set, puke if commands are sent
-					   to other target/lun combinations */
-
-    int debug_count_limit;		/* Number of commands to execute
-					   before puking to limit debugging 
-					   output */
-				    
-
-    volatile unsigned idle:1;			/* set to 1 if idle */
-
-    /* 
-     * Table of synchronous+wide transfer parameters set on a per-target
-     * basis.
-     */
-    
-    volatile struct NCR53c7x0_synchronous sync[16]
-	__attribute__ ((aligned (4)));
-
-    volatile Scsi_Cmnd *issue_queue
-	__attribute__ ((aligned (4)));
-						/* waiting to be issued by
-						   Linux driver */
-    volatile struct NCR53c7x0_cmd *running_list;	
-						/* commands running, maintained
-						   by Linux driver */
-
-    volatile struct NCR53c7x0_cmd *ncrcurrent;	/* currently connected 
-						   nexus, ONLY valid for
-						   NCR53c700/NCR53c700-66
-						 */
-
-    volatile struct NCR53c7x0_cmd *spare;	/* pointer to spare,
-    	    	    	    	    	    	   allocated at probe time,
-    	    	    	    	    	    	   which we can use for 
-						   initialization */
-    volatile struct NCR53c7x0_cmd *free;
-    int max_cmd_size;				/* Maximum size of NCR53c7x0_cmd
-					    	   based on number of 
-						   scatter/gather segments, etc.
-						   */
-    volatile int num_cmds;			/* Number of commands 
-						   allocated */
-    volatile int extra_allocate;
-    volatile unsigned char cmd_allocated[16];	/* Have we allocated commands
-						   for this target yet?  If not,
-						   do so ASAP */
-    volatile unsigned char busy[16][8];     	/* number of commands 
-						   executing on each target
-    	    	    	    	    	    	 */
-    /* 
-     * Eventually, I'll switch to a coroutine for calling 
-     * cmd->done(cmd), etc. so that we can overlap interrupt
-     * processing with this code for maximum performance.
-     */
-    
-    volatile struct NCR53c7x0_cmd *finished_queue;	
-						
-    /* Shared variables between SCRIPT and host driver */
-    volatile u32 *schedule
-	__attribute__ ((aligned (4)));		/* Array of JUMPs to dsa_begin
-						   routines of various DSAs.  
-						   When not in use, replace
-						   with jump to next slot */
-
-
-    volatile unsigned char msg_buf[16];		/* buffer for messages
-						   other than the command
-						   complete message */
-
-    /* Per-target default synchronous and WIDE messages */
-    volatile unsigned char synchronous_want[16][5];
-    volatile unsigned char wide_want[16][4];
-
-    /* Bit fielded set of targets we want to speak synchronously with */ 
-    volatile u16 initiate_sdtr;	
-    /* Bit fielded set of targets we want to speak wide with */
-    volatile u16 initiate_wdtr;
-    /* Bit fielded list of targets we've talked to. */
-    volatile u16 talked_to;
-
-    /* Array of bit-fielded lun lists that we need to request_sense */
-    volatile unsigned char request_sense[16];
-
-    u32 addr_reconnect_dsa_head
-	__attribute__ ((aligned (4)));		/* RISCy style constant,
-						   address of following */
-    volatile u32 reconnect_dsa_head;	
-    /* Data identifying nexus we are trying to match during reselection */
-    volatile unsigned char reselected_identify; /* IDENTIFY message */
-    volatile unsigned char reselected_tag;	/* second byte of queue tag 
-						   message or 0 */
-
-    /* These were static variables before we moved them */
-
-    s32 NCR53c7xx_zero
-	__attribute__ ((aligned (4)));
-    s32 NCR53c7xx_sink;
-    u32 NOP_insn;
-    char NCR53c7xx_msg_reject;
-    char NCR53c7xx_msg_abort;
-    char NCR53c7xx_msg_nop;
-
-    /*
-     * Following item introduced by RGH to support NCRc710, which is
-     * VERY brain-dead when it come to memory moves
-     */
-
-			  /* DSA save area used only by the NCR chip */
-    volatile unsigned long saved2_dsa
-	__attribute__ ((aligned (4)));
-
-    volatile unsigned long emulated_intfly
-	__attribute__ ((aligned (4)));
-
-    volatile int event_size, event_index;
-    volatile struct NCR53c7x0_event *events;
-
-    /* If we need to generate code to kill off the currently connected 
-       command, this is where we do it. Should have a BMI instruction
-       to source or sink the current data, followed by a JUMP
-       to abort_connected */
-
-    u32 *abort_script;
-
-    int script_count;				/* Size of script in words */
-    u32 script[0];				/* Relocated SCSI script */
-
-};
-
-#define SCSI_IRQ_NONE	255
-#define DMA_NONE	255
-#define IRQ_AUTO	254
-#define DMA_AUTO	254
-
-#define BOARD_GENERIC	0
-
-#define NCR53c7x0_insn_size(insn)					\
-    (((insn) & DCMD_TYPE_MASK) == DCMD_TYPE_MMI ? 3 : 2)
-    
-
-#define NCR53c7x0_local_declare()					\
-    volatile unsigned char *NCR53c7x0_address_memory;			\
-    unsigned int NCR53c7x0_address_io;					\
-    int NCR53c7x0_memory_mapped
-
-#define NCR53c7x0_local_setup(host)					\
-    NCR53c7x0_address_memory = (void *) (host)->base;			\
-    NCR53c7x0_address_io = (unsigned int) (host)->io_port;		\
-    NCR53c7x0_memory_mapped = ((struct NCR53c7x0_hostdata *) 		\
-	host->hostdata[0])-> options & OPTION_MEMORY_MAPPED 
-
-#ifdef BIG_ENDIAN
-/* These could be more efficient, given that we are always memory mapped,
- * but they don't give the same problems as the write macros, so leave
- * them. */
-#ifdef __mc68000__
-#define NCR53c7x0_read8(address) 					\
-    ((unsigned int)raw_inb((u32)NCR53c7x0_address_memory + ((u32)(address)^3)) )
-
-#define NCR53c7x0_read16(address) 					\
-    ((unsigned int)raw_inw((u32)NCR53c7x0_address_memory + ((u32)(address)^2)))
-#else
-#define NCR53c7x0_read8(address) 					\
-    (NCR53c7x0_memory_mapped ? 						\
-	(unsigned int)readb((u32)NCR53c7x0_address_memory + ((u32)(address)^3)) :	\
-	inb(NCR53c7x0_address_io + (address)))
-
-#define NCR53c7x0_read16(address) 					\
-    (NCR53c7x0_memory_mapped ? 						\
-	(unsigned int)readw((u32)NCR53c7x0_address_memory + ((u32)(address)^2)) :	\
-	inw(NCR53c7x0_address_io + (address)))
-#endif /* mc68000 */
-#else
-#define NCR53c7x0_read8(address) 					\
-    (NCR53c7x0_memory_mapped ? 						\
-	(unsigned int)readb((u32)NCR53c7x0_address_memory + (u32)(address)) :	\
-	inb(NCR53c7x0_address_io + (address)))
-
-#define NCR53c7x0_read16(address) 					\
-    (NCR53c7x0_memory_mapped ? 						\
-	(unsigned int)readw((u32)NCR53c7x0_address_memory + (u32)(address)) :	\
-	inw(NCR53c7x0_address_io + (address)))
-#endif
-
-#ifdef __mc68000__
-#define NCR53c7x0_read32(address) 					\
-    ((unsigned int) raw_inl((u32)NCR53c7x0_address_memory + (u32)(address)))
-#else
-#define NCR53c7x0_read32(address) 					\
-    (NCR53c7x0_memory_mapped ? 						\
-	(unsigned int) readl((u32)NCR53c7x0_address_memory + (u32)(address)) : 	\
-	inl(NCR53c7x0_address_io + (address)))
-#endif /* mc68000*/
-
-#ifdef BIG_ENDIAN
-/* If we are big-endian, then we are not Intel, so probably don't have
- * an i/o map as well as a memory map.  So, let's assume memory mapped.
- * Also, I am having terrible problems trying to persuade the compiler
- * not to lay down code which does a read after write for these macros.
- * If you remove 'volatile' from writeb() and friends it is ok....
- */
-
-#define NCR53c7x0_write8(address,value) 				\
-	*(volatile unsigned char *)					\
-		((u32)NCR53c7x0_address_memory + ((u32)(address)^3)) = (value)
-
-#define NCR53c7x0_write16(address,value) 				\
-	*(volatile unsigned short *)					\
-		((u32)NCR53c7x0_address_memory + ((u32)(address)^2)) = (value)
-
-#define NCR53c7x0_write32(address,value) 				\
-	*(volatile unsigned long *)					\
-		((u32)NCR53c7x0_address_memory + ((u32)(address))) = (value)
-
-#else
-
-#define NCR53c7x0_write8(address,value) 				\
-    (NCR53c7x0_memory_mapped ? 						\
-     ({writeb((value), (u32)NCR53c7x0_address_memory + (u32)(address)); mb();}) :	\
-	outb((value), NCR53c7x0_address_io + (address)))
-
-#define NCR53c7x0_write16(address,value) 				\
-    (NCR53c7x0_memory_mapped ? 						\
-     ({writew((value), (u32)NCR53c7x0_address_memory + (u32)(address)); mb();}) :	\
-	outw((value), NCR53c7x0_address_io + (address)))
-
-#define NCR53c7x0_write32(address,value) 				\
-    (NCR53c7x0_memory_mapped ? 						\
-     ({writel((value), (u32)NCR53c7x0_address_memory + (u32)(address)); mb();}) :	\
-	outl((value), NCR53c7x0_address_io + (address)))
-
-#endif
-
-/* Patch arbitrary 32 bit words in the script */
-#define patch_abs_32(script, offset, symbol, value)			\
-    	for (i = 0; i < (sizeof (A_##symbol##_used) / sizeof 		\
-    	    (u32)); ++i) {					\
-	    (script)[A_##symbol##_used[i] - (offset)] += (value);	\
-	    if (hostdata->options & OPTION_DEBUG_FIXUP) 		\
-	      printk("scsi%d : %s reference %d at 0x%x in %s is now 0x%x\n",\
-		host->host_no, #symbol, i, A_##symbol##_used[i] - 	\
-		(int)(offset), #script, (script)[A_##symbol##_used[i] -	\
-		(offset)]);						\
-    	}
-
-/* Patch read/write instruction immediate field */
-#define patch_abs_rwri_data(script, offset, symbol, value)		\
-    	for (i = 0; i < (sizeof (A_##symbol##_used) / sizeof 		\
-    	    (u32)); ++i)					\
-    	    (script)[A_##symbol##_used[i] - (offset)] =			\
-	    	((script)[A_##symbol##_used[i] - (offset)] & 		\
-	    	~DBC_RWRI_IMMEDIATE_MASK) | 				\
-    	    	(((value) << DBC_RWRI_IMMEDIATE_SHIFT) &		\
-		 DBC_RWRI_IMMEDIATE_MASK)
-
-/* Patch transfer control instruction data field */
-#define patch_abs_tci_data(script, offset, symbol, value)	        \
-    	for (i = 0; i < (sizeof (A_##symbol##_used) / sizeof 		\
-    	    (u32)); ++i)					\
-    	    (script)[A_##symbol##_used[i] - (offset)] =			\
-	    	((script)[A_##symbol##_used[i] - (offset)] & 		\
-	    	~DBC_TCI_DATA_MASK) | 					\
-    	    	(((value) << DBC_TCI_DATA_SHIFT) &			\
-		 DBC_TCI_DATA_MASK)
-
-/* Patch field in dsa structure (assignment should be +=?) */
-#define patch_dsa_32(dsa, symbol, word, value)				\
-	{								\
-	(dsa)[(hostdata->##symbol - hostdata->dsa_start) / sizeof(u32)	\
-	    + (word)] = (value);					\
-	if (hostdata->options & OPTION_DEBUG_DSA)			\
-	    printk("scsi : dsa %s symbol %s(%d) word %d now 0x%x\n",	\
-		#dsa, #symbol, hostdata->##symbol, 			\
-		(word), (u32) (value));					\
-	}
-
-/* Paranoid people could use panic() here. */
-#define FATAL(host) shutdown((host));
-
-extern int ncr53c7xx_init(struct scsi_host_template *tpnt, int board, int chip,
-			  unsigned long base, int io_port, int irq, int dma,
-			  long long options, int clock);
-
-#endif /* NCR53c710_C */
-#endif /* NCR53c710_H */

drivers/scsi/53c7xx.scr

@@ -1,1591 +0,0 @@
-#undef DEBUG
-#undef EVENTS
-#undef NO_SELECTION_TIMEOUT
-#define BIG_ENDIAN
-
-; 53c710 driver.  Modified from Drew Eckhardts driver
-; for 53c810 by Richard Hirst [richard@sleepie.demon.co.uk]
-;
-; I have left the script for the 53c8xx family in here, as it is likely
-; to be useful to see what I changed when bug hunting.
-
-; NCR 53c810 driver, main script
-; Sponsored by 
-;	iX Multiuser Multitasking Magazine
-;	hm@ix.de
-;
-; Copyright 1993, 1994, 1995 Drew Eckhardt
-;      Visionary Computing 
-;      (Unix and Linux consulting and custom programming)
-;      drew@PoohSticks.ORG
-;      +1 (303) 786-7975
-;
-; TolerANT and SCSI SCRIPTS are registered trademarks of NCR Corporation.
-;
-; PRE-ALPHA
-;
-; For more information, please consult 
-;
-; NCR 53C810
-; PCI-SCSI I/O Processor
-; Data Manual
-;
-; NCR 53C710 
-; SCSI I/O Processor
-; Programmers Guide
-;
-; NCR Microelectronics
-; 1635 Aeroplaza Drive
-; Colorado Springs, CO 80916
-; 1+ (719) 578-3400
-;
-; Toll free literature number
-; +1 (800) 334-5454
-;
-; IMPORTANT : This code is self modifying due to the limitations of 
-;	the NCR53c7,8xx series chips.  Persons debugging this code with
-;	the remote debugger should take this into account, and NOT set
-;	breakpoints in modified instructions.
-;
-; Design:
-; The NCR53c7,8xx family of SCSI chips are busmasters with an onboard 
-; microcontroller using a simple instruction set.   
-;
-; So, to minimize the effects of interrupt latency, and to maximize 
-; throughput, this driver offloads the practical maximum amount 
-; of processing to the SCSI chip while still maintaining a common
-; structure.
-;
-; Where tradeoffs were needed between efficiency on the older
-; chips and the newer NCR53c800 series, the NCR53c800 series 
-; was chosen.
-;
-; While the NCR53c700 and NCR53c700-66 lacked the facilities to fully
-; automate SCSI transfers without host processor intervention, this 
-; isn't the case with the NCR53c710 and newer chips which allow 
-;
-; - reads and writes to the internal registers from within the SCSI
-; 	scripts, allowing the SCSI SCRIPTS(tm) code to save processor
-; 	state so that multiple threads of execution are possible, and also
-; 	provide an ALU for loop control, etc.
-; 
-; - table indirect addressing for some instructions. This allows 
-;	pointers to be located relative to the DSA ((Data Structure
-;	Address) register.
-;
-; These features make it possible to implement a mailbox style interface,
-; where the same piece of code is run to handle I/O for multiple threads
-; at once minimizing our need to relocate code.  Since the NCR53c700/
-; NCR53c800 series have a unique combination of features, making a 
-; a standard ingoing/outgoing mailbox system, costly, I've modified it.
-;
-; - Mailboxes are a mixture of code and data.  This lets us greatly
-; 	simplify the NCR53c810 code and do things that would otherwise
-;	not be possible.
-;
-; The saved data pointer is now implemented as follows :
-;
-; 	Control flow has been architected such that if control reaches
-;	munge_save_data_pointer, on a restore pointers message or 
-;	reconnection, a jump to the address formerly in the TEMP register
-;	will allow the SCSI command to resume execution.
-;
-
-;
-; Note : the DSA structures must be aligned on 32 bit boundaries,
-; since the source and destination of MOVE MEMORY instructions 
-; must share the same alignment and this is the alignment of the
-; NCR registers.
-;
-
-; For some systems (MVME166, for example) dmode is always the same, so don't
-; waste time writing it
-
-#if 1
-#define DMODE_MEMORY_TO_NCR
-#define DMODE_MEMORY_TO_MEMORY
-#define DMODE_NCR_TO_MEMORY
-#else
-#define DMODE_MEMORY_TO_NCR    MOVE dmode_memory_to_ncr TO DMODE
-#define DMODE_MEMORY_TO_MEMORY MOVE dmode_memory_to_memory TO DMODE
-#define DMODE_NCR_TO_MEMORY    MOVE dmode_ncr_to_memory TO DMODE
-#endif
-
-ABSOLUTE dsa_temp_lun = 0		; Patch to lun for current dsa
-ABSOLUTE dsa_temp_next = 0		; Patch to dsa next for current dsa
-ABSOLUTE dsa_temp_addr_next = 0		; Patch to address of dsa next address 
-					; 	for current dsa
-ABSOLUTE dsa_temp_sync = 0		; Patch to address of per-target
-					;	sync routine
-ABSOLUTE dsa_sscf_710 = 0		; Patch to address of per-target
-					;	sscf value (53c710)
-ABSOLUTE dsa_temp_target = 0		; Patch to id for current dsa
-ABSOLUTE dsa_temp_addr_saved_pointer = 0; Patch to address of per-command
-					; 	saved data pointer
-ABSOLUTE dsa_temp_addr_residual = 0	; Patch to address of per-command
-					;	current residual code
-ABSOLUTE dsa_temp_addr_saved_residual = 0; Patch to address of per-command
-					; saved residual code
-ABSOLUTE dsa_temp_addr_new_value = 0	; Address of value for JUMP operand
-ABSOLUTE dsa_temp_addr_array_value = 0 	; Address to copy to
-ABSOLUTE dsa_temp_addr_dsa_value = 0	; Address of this DSA value
-
-;
-; Once a device has initiated reselection, we need to compare it 
-; against the singly linked list of commands which have disconnected
-; and are pending reselection.  These commands are maintained in 
-; an unordered singly linked list of DSA structures, through the
-; DSA pointers at their 'centers' headed by the reconnect_dsa_head
-; pointer.
-; 
-; To avoid complications in removing commands from the list,
-; I minimize the amount of expensive (at eight operations per
-; addition @ 500-600ns each) pointer operations which must
-; be done in the NCR driver by precomputing them on the 
-; host processor during dsa structure generation.
-;
-; The fixed-up per DSA code knows how to recognize the nexus
-; associated with the corresponding SCSI command, and modifies
-; the source and destination pointers for the MOVE MEMORY 
-; instruction which is executed when reselected_ok is called
-; to remove the command from the list.  Similarly, DSA is 
-; loaded with the address of the next DSA structure and
-; reselected_check_next is called if a failure occurs.
-;
-; Perhaps more concisely, the net effect of the mess is 
-;
-; for (dsa = reconnect_dsa_head, dest = &reconnect_dsa_head, 
-;     src = NULL; dsa; dest = &dsa->next, dsa = dsa->next) {
-; 	src = &dsa->next;
-; 	if (target_id == dsa->id && target_lun == dsa->lun) {
-; 		*dest = *src;
-; 		break;
-;         }	
-; }
-;
-; if (!dsa)
-;           error (int_err_unexpected_reselect);
-; else  
-;     longjmp (dsa->jump_resume, 0);
-;
-; 	
-
-#if (CHIP != 700) && (CHIP != 70066)
-; Define DSA structure used for mailboxes
-ENTRY dsa_code_template
-dsa_code_template:
-ENTRY dsa_code_begin
-dsa_code_begin:
-; RGH: Don't care about TEMP and DSA here
-	DMODE_MEMORY_TO_NCR
-	MOVE MEMORY 4, dsa_temp_addr_dsa_value, addr_scratch
-	DMODE_MEMORY_TO_MEMORY
-#if (CHIP == 710)
-	MOVE MEMORY 4, addr_scratch, saved_dsa
-	; We are about to go and select the device, so must set SSCF bits
-	MOVE MEMORY 4, dsa_sscf_710, addr_scratch
-#ifdef BIG_ENDIAN
-	MOVE SCRATCH3 TO SFBR
-#else
-	MOVE SCRATCH0 TO SFBR
-#endif
-	MOVE SFBR TO SBCL
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-#else
-	CALL scratch_to_dsa
-#endif
-	CALL select
-; Handle the phase mismatch which may have resulted from the 
-; MOVE FROM dsa_msgout if we returned here.  The CLEAR ATN 
-; may or may not be necessary, and we should update script_asm.pl
-; to handle multiple pieces.
-    CLEAR ATN
-    CLEAR ACK
-
-; Replace second operand with address of JUMP instruction dest operand
-; in schedule table for this DSA.  Becomes dsa_jump_dest in 53c7,8xx.c.
-ENTRY dsa_code_fix_jump
-dsa_code_fix_jump:
-	MOVE MEMORY 4, NOP_insn, 0
-	JUMP select_done
-
-; wrong_dsa loads the DSA register with the value of the dsa_next
-; field.
-;
-wrong_dsa:
-#if (CHIP == 710)
-;                NOTE DSA is corrupt when we arrive here!
-#endif
-;		Patch the MOVE MEMORY INSTRUCTION such that 
-;		the destination address is the address of the OLD 
-;		next pointer.
-;
-	MOVE MEMORY 4, dsa_temp_addr_next, reselected_ok_patch + 8
-	DMODE_MEMORY_TO_NCR
-;
-; 	Move the _contents_ of the next pointer into the DSA register as 
-;	the next I_T_L or I_T_L_Q tupple to check against the established
-;	nexus.
-;
-	MOVE MEMORY 4, dsa_temp_next, addr_scratch
-	DMODE_MEMORY_TO_MEMORY
-#if (CHIP == 710)
-	MOVE MEMORY 4, addr_scratch, saved_dsa
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-#else
-	CALL scratch_to_dsa
-#endif
-	JUMP reselected_check_next
-
-ABSOLUTE dsa_save_data_pointer = 0
-ENTRY dsa_code_save_data_pointer
-dsa_code_save_data_pointer:
-#if (CHIP == 710)
-	; When we get here, TEMP has been saved in jump_temp+4, DSA is corrupt
-	; We MUST return with DSA correct
-    	MOVE MEMORY 4, jump_temp+4, dsa_temp_addr_saved_pointer
-; HARD CODED : 24 bytes needs to agree with 53c7,8xx.h
-    	MOVE MEMORY 24, dsa_temp_addr_residual, dsa_temp_addr_saved_residual
-        CLEAR ACK
-#ifdef DEBUG
-        INT int_debug_saved
-#endif
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-	JUMP jump_temp
-#else
-    	DMODE_NCR_TO_MEMORY
-    	MOVE MEMORY 4, addr_temp, dsa_temp_addr_saved_pointer
-    	DMODE_MEMORY_TO_MEMORY
-; HARD CODED : 24 bytes needs to agree with 53c7,8xx.h
-    	MOVE MEMORY 24, dsa_temp_addr_residual, dsa_temp_addr_saved_residual
-        CLEAR ACK
-#ifdef DEBUG
-        INT int_debug_saved
-#endif
-    	RETURN
-#endif
-ABSOLUTE dsa_restore_pointers = 0
-ENTRY dsa_code_restore_pointers
-dsa_code_restore_pointers:
-#if (CHIP == 710)
-	; TEMP and DSA are corrupt when we get here, but who cares!
-    	MOVE MEMORY 4, dsa_temp_addr_saved_pointer, jump_temp + 4
-; HARD CODED : 24 bytes needs to agree with 53c7,8xx.h
-    	MOVE MEMORY 24, dsa_temp_addr_saved_residual, dsa_temp_addr_residual
-        CLEAR ACK
-	; Restore DSA, note we don't care about TEMP
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-#ifdef DEBUG
-        INT int_debug_restored
-#endif
-	JUMP jump_temp
-#else
-    	DMODE_MEMORY_TO_NCR
-    	MOVE MEMORY 4, dsa_temp_addr_saved_pointer, addr_temp
-    	DMODE_MEMORY_TO_MEMORY
-; HARD CODED : 24 bytes needs to agree with 53c7,8xx.h
-    	MOVE MEMORY 24, dsa_temp_addr_saved_residual, dsa_temp_addr_residual
-        CLEAR ACK
-#ifdef DEBUG
-        INT int_debug_restored
-#endif
-    	RETURN
-#endif
-
-ABSOLUTE dsa_check_reselect = 0
-; dsa_check_reselect determines whether or not the current target and
-; lun match the current DSA
-ENTRY dsa_code_check_reselect
-dsa_code_check_reselect:
-#if (CHIP == 710)
-	/* Arrives here with DSA correct */
-	/* Assumes we are always ID 7 */
-	MOVE LCRC TO SFBR		; LCRC has our ID and his ID bits set
-	JUMP REL (wrong_dsa), IF NOT dsa_temp_target, AND MASK 0x80
-#else
-	MOVE SSID TO SFBR		; SSID contains 3 bit target ID
-; FIXME : we need to accommodate bit fielded and binary here for '7xx/'8xx chips
-	JUMP REL (wrong_dsa), IF NOT dsa_temp_target, AND MASK 0xf8
-#endif
-;
-; Hack - move to scratch first, since SFBR is not writeable
-; 	via the CPU and hence a MOVE MEMORY instruction.
-;
-	DMODE_MEMORY_TO_NCR
-	MOVE MEMORY 1, reselected_identify, addr_scratch
-	DMODE_MEMORY_TO_MEMORY
-#ifdef BIG_ENDIAN
-	; BIG ENDIAN ON MVME16x
-	MOVE SCRATCH3 TO SFBR
-#else
-	MOVE SCRATCH0 TO SFBR
-#endif
-; FIXME : we need to accommodate bit fielded and binary here for '7xx/'8xx chips
-; Are you sure about that?  richard@sleepie.demon.co.uk
-	JUMP REL (wrong_dsa), IF NOT dsa_temp_lun, AND MASK 0xf8
-;		Patch the MOVE MEMORY INSTRUCTION such that
-;		the source address is the address of this dsa's
-;		next pointer.
-	MOVE MEMORY 4, dsa_temp_addr_next, reselected_ok_patch + 4
-	CALL reselected_ok
-#if (CHIP == 710)
-;	Restore DSA following memory moves in reselected_ok
-;	dsa_temp_sync doesn't really care about DSA, but it has an
-;	optional debug INT so a valid DSA is a good idea.
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-	CALL dsa_temp_sync	
-; Release ACK on the IDENTIFY message _after_ we've set the synchronous 
-; transfer parameters! 
-	CLEAR ACK
-; Implicitly restore pointers on reselection, so a RETURN
-; will transfer control back to the right spot.
-    	CALL REL (dsa_code_restore_pointers)
-    	RETURN
-ENTRY dsa_zero
-dsa_zero:
-ENTRY dsa_code_template_end
-dsa_code_template_end:
-
-; Perform sanity check for dsa_fields_start == dsa_code_template_end - 
-; dsa_zero, puke.
-
-ABSOLUTE dsa_fields_start =  0	; Sanity marker
-				; 	pad 48 bytes (fix this RSN)
-ABSOLUTE dsa_next = 48		; len 4 Next DSA
- 				; del 4 Previous DSA address
-ABSOLUTE dsa_cmnd = 56		; len 4 Scsi_Cmnd * for this thread.
-ABSOLUTE dsa_select = 60	; len 4 Device ID, Period, Offset for 
-			 	;	table indirect select
-ABSOLUTE dsa_msgout = 64	; len 8 table indirect move parameter for 
-				;       select message
-ABSOLUTE dsa_cmdout = 72	; len 8 table indirect move parameter for 
-				;	command
-ABSOLUTE dsa_dataout = 80	; len 4 code pointer for dataout
-ABSOLUTE dsa_datain = 84	; len 4 code pointer for datain
-ABSOLUTE dsa_msgin = 88		; len 8 table indirect move for msgin
-ABSOLUTE dsa_status = 96 	; len 8 table indirect move for status byte
-ABSOLUTE dsa_msgout_other = 104	; len 8 table indirect for normal message out
-				; (Synchronous transfer negotiation, etc).
-ABSOLUTE dsa_end = 112
-
-ABSOLUTE schedule = 0 		; Array of JUMP dsa_begin or JUMP (next),
-				; terminated by a call to JUMP wait_reselect
-
-; Linked lists of DSA structures
-ABSOLUTE reconnect_dsa_head = 0	; Link list of DSAs which can reconnect
-ABSOLUTE addr_reconnect_dsa_head = 0 ; Address of variable containing
-				; address of reconnect_dsa_head
-
-; These select the source and destination of a MOVE MEMORY instruction
-ABSOLUTE dmode_memory_to_memory = 0x0
-ABSOLUTE dmode_memory_to_ncr = 0x0
-ABSOLUTE dmode_ncr_to_memory = 0x0
-
-ABSOLUTE addr_scratch = 0x0
-ABSOLUTE addr_temp = 0x0
-#if (CHIP == 710)
-ABSOLUTE saved_dsa = 0x0
-ABSOLUTE emulfly = 0x0
-ABSOLUTE addr_dsa = 0x0
-#endif
-#endif /* CHIP != 700 && CHIP != 70066 */
-
-; Interrupts - 
-; MSB indicates type
-; 0	handle error condition
-; 1 	handle message 
-; 2 	handle normal condition
-; 3	debugging interrupt
-; 4 	testing interrupt 
-; Next byte indicates specific error
-
-; XXX not yet implemented, I'm not sure if I want to - 
-; Next byte indicates the routine the error occurred in
-; The LSB indicates the specific place the error occurred
- 
-ABSOLUTE int_err_unexpected_phase = 0x00000000	; Unexpected phase encountered
-ABSOLUTE int_err_selected = 0x00010000		; SELECTED (nee RESELECTED)
-ABSOLUTE int_err_unexpected_reselect = 0x00020000 
-ABSOLUTE int_err_check_condition = 0x00030000	
-ABSOLUTE int_err_no_phase = 0x00040000
-ABSOLUTE int_msg_wdtr = 0x01000000		; WDTR message received
-ABSOLUTE int_msg_sdtr = 0x01010000		; SDTR received
-ABSOLUTE int_msg_1 = 0x01020000			; single byte special message
-						; received
-
-ABSOLUTE int_norm_select_complete = 0x02000000	; Select complete, reprogram
-						; registers.
-ABSOLUTE int_norm_reselect_complete = 0x02010000	; Nexus established
-ABSOLUTE int_norm_command_complete = 0x02020000 ; Command complete
-ABSOLUTE int_norm_disconnected = 0x02030000	; Disconnected 
-ABSOLUTE int_norm_aborted =0x02040000		; Aborted *dsa
-ABSOLUTE int_norm_reset = 0x02050000		; Generated BUS reset.
-ABSOLUTE int_norm_emulateintfly = 0x02060000	; 53C710 Emulated intfly
-ABSOLUTE int_debug_break = 0x03000000		; Break point
-#ifdef DEBUG
-ABSOLUTE int_debug_scheduled = 0x03010000	; new I/O scheduled 
-ABSOLUTE int_debug_idle = 0x03020000		; scheduler is idle
-ABSOLUTE int_debug_dsa_loaded = 0x03030000	; dsa reloaded
-ABSOLUTE int_debug_reselected = 0x03040000	; NCR reselected
-ABSOLUTE int_debug_head = 0x03050000		; issue head overwritten
-ABSOLUTE int_debug_disconnected = 0x03060000	; disconnected
-ABSOLUTE int_debug_disconnect_msg = 0x03070000	; got message to disconnect
-ABSOLUTE int_debug_dsa_schedule = 0x03080000	; in dsa_schedule
-ABSOLUTE int_debug_reselect_check = 0x03090000  ; Check for reselection of DSA
-ABSOLUTE int_debug_reselected_ok = 0x030a0000 	; Reselection accepted
-#endif
-ABSOLUTE int_debug_panic = 0x030b0000		; Panic driver
-#ifdef DEBUG
-ABSOLUTE int_debug_saved = 0x030c0000 		; save/restore pointers
-ABSOLUTE int_debug_restored = 0x030d0000
-ABSOLUTE int_debug_sync = 0x030e0000		; Sanity check synchronous 
-						; parameters. 
-ABSOLUTE int_debug_datain = 0x030f0000		; going into data in phase 
-						; now.
-ABSOLUTE int_debug_check_dsa = 0x03100000	; Sanity check DSA against
-						; SDID.
-#endif
-
-ABSOLUTE int_test_1 = 0x04000000		; Test 1 complete
-ABSOLUTE int_test_2 = 0x04010000		; Test 2 complete
-ABSOLUTE int_test_3 = 0x04020000		; Test 3 complete
-
-
-; These should start with 0x05000000, with low bits incrementing for 
-; each one.
-
-#ifdef EVENTS
-ABSOLUTE int_EVENT_SELECT = 0
-ABSOLUTE int_EVENT_DISCONNECT = 0
-ABSOLUTE int_EVENT_RESELECT = 0
-ABSOLUTE int_EVENT_COMPLETE = 0
-ABSOLUTE int_EVENT_IDLE = 0
-ABSOLUTE int_EVENT_SELECT_FAILED = 0
-ABSOLUTE int_EVENT_BEFORE_SELECT = 0
-ABSOLUTE int_EVENT_RESELECT_FAILED = 0
-#endif
-						
-ABSOLUTE NCR53c7xx_msg_abort = 0	; Pointer to abort message
-ABSOLUTE NCR53c7xx_msg_reject = 0       ; Pointer to reject message
-ABSOLUTE NCR53c7xx_zero	= 0		; long with zero in it, use for source
-ABSOLUTE NCR53c7xx_sink = 0		; long to dump worthless data in
-ABSOLUTE NOP_insn = 0			; NOP instruction
-
-; Pointer to message, potentially multi-byte
-ABSOLUTE msg_buf = 0
-
-; Pointer to holding area for reselection information
-ABSOLUTE reselected_identify = 0
-ABSOLUTE reselected_tag = 0
-
-; Request sense command pointer, it's a 6 byte command, should
-; be constant for all commands since we always want 16 bytes of 
-; sense and we don't need to change any fields as we did under 
-; SCSI-I when we actually cared about the LUN field.
-;EXTERNAL NCR53c7xx_sense		; Request sense command
-
-#if (CHIP != 700) && (CHIP != 70066)
-; dsa_schedule  
-; PURPOSE : after a DISCONNECT message has been received, and pointers
-;	saved, insert the current DSA structure at the head of the 
-; 	disconnected queue and fall through to the scheduler.
-;
-; CALLS : OK
-;
-; INPUTS : dsa - current DSA structure, reconnect_dsa_head - list
-;	of disconnected commands
-;
-; MODIFIES : SCRATCH, reconnect_dsa_head
-; 
-; EXITS : always passes control to schedule
-
-ENTRY dsa_schedule
-dsa_schedule:
-#ifdef DEBUG
-    INT int_debug_dsa_schedule
-#endif
-
-;
-; Calculate the address of the next pointer within the DSA 
-; structure of the command that is currently disconnecting
-;
-#if (CHIP == 710)
-    ; Read what should be the current DSA from memory - actual DSA
-    ; register is probably corrupt
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-#else
-    CALL dsa_to_scratch
-#endif
-    MOVE SCRATCH0 + dsa_next TO SCRATCH0
-    MOVE SCRATCH1 + 0 TO SCRATCH1 WITH CARRY
-    MOVE SCRATCH2 + 0 TO SCRATCH2 WITH CARRY
-    MOVE SCRATCH3 + 0 TO SCRATCH3 WITH CARRY
-
-; Point the next field of this DSA structure at the current disconnected 
-; list
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, dsa_schedule_insert + 8
-    DMODE_MEMORY_TO_MEMORY
-dsa_schedule_insert:
-    MOVE MEMORY 4, reconnect_dsa_head, 0 
-
-; And update the head pointer.
-#if (CHIP == 710)
-    ; Read what should be the current DSA from memory - actual DSA
-    ; register is probably corrupt
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-#else
-    CALL dsa_to_scratch
-#endif
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, reconnect_dsa_head
-    DMODE_MEMORY_TO_MEMORY
-/* Temporarily, see what happens. */
-#ifndef ORIGINAL
-#if (CHIP != 710)
-    MOVE SCNTL2 & 0x7f TO SCNTL2
-#endif
-    CLEAR ACK
-#endif
-#if (CHIP == 710)
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-    WAIT DISCONNECT
-#ifdef EVENTS
-    INT int_EVENT_DISCONNECT;
-#endif
-#ifdef DEBUG
-    INT int_debug_disconnected
-#endif
-    JUMP schedule
-#endif 
-
-;
-; select
-;
-; PURPOSE : establish a nexus for the SCSI command referenced by DSA.
-;	On success, the current DSA structure is removed from the issue 
-;	queue.  Usually, this is entered as a fall-through from schedule,
-;	although the contingent allegiance handling code will write
-;	the select entry address to the DSP to restart a command as a 
-;	REQUEST SENSE.  A message is sent (usually IDENTIFY, although
-;	additional SDTR or WDTR messages may be sent).  COMMAND OUT
-;	is handled.
-;
-; INPUTS : DSA - SCSI command, issue_dsa_head
-;
-; CALLS : NOT OK
-;
-; MODIFIES : SCRATCH, issue_dsa_head
-;
-; EXITS : on reselection or selection, go to select_failed
-;	otherwise, RETURN so control is passed back to 
-;	dsa_begin.
-;
-
-ENTRY select
-select:
-
-#ifdef EVENTS
-    INT int_EVENT_BEFORE_SELECT
-#endif
-
-#ifdef DEBUG
-    INT int_debug_scheduled
-#endif
-    CLEAR TARGET
-
-; XXX
-;
-; In effect, SELECTION operations are backgrounded, with execution
-; continuing until code which waits for REQ or a fatal interrupt is 
-; encountered.
-;
-; So, for more performance, we could overlap the code which removes 
-; the command from the NCRs issue queue with the selection, but 
-; at this point I don't want to deal with the error recovery.
-;
-
-#if (CHIP != 700) && (CHIP != 70066)
-#if (CHIP == 710)
-    ; Enable selection timer
-#ifdef NO_SELECTION_TIMEOUT
-    MOVE CTEST7 & 0xff TO CTEST7
-#else
-    MOVE CTEST7 & 0xef TO CTEST7
-#endif
-#endif
-    SELECT ATN FROM dsa_select, select_failed
-    JUMP select_msgout, WHEN MSG_OUT
-ENTRY select_msgout
-select_msgout:
-#if (CHIP == 710)
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-#endif
-    MOVE FROM dsa_msgout, WHEN MSG_OUT
-#else
-ENTRY select_msgout
-    SELECT ATN 0, select_failed
-select_msgout:
-    MOVE 0, 0, WHEN MSGOUT
-#endif
-
-#ifdef EVENTS
-   INT int_EVENT_SELECT
-#endif
-   RETURN
-
-; 
-; select_done
-; 
-; PURPOSE: continue on to normal data transfer; called as the exit 
-;	point from dsa_begin.
-;
-; INPUTS: dsa
-;
-; CALLS: OK
-;
-;
-
-select_done:
-#if (CHIP == 710)
-; NOTE DSA is corrupt when we arrive here!
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-
-#ifdef DEBUG
-ENTRY select_check_dsa
-select_check_dsa:
-    INT int_debug_check_dsa
-#endif
-
-; After a successful selection, we should get either a CMD phase or 
-; some transfer request negotiation message.
-
-    JUMP cmdout, WHEN CMD
-    INT int_err_unexpected_phase, WHEN NOT MSG_IN 
-
-select_msg_in:
-    CALL msg_in, WHEN MSG_IN
-    JUMP select_msg_in, WHEN MSG_IN
-
-cmdout:
-    INT int_err_unexpected_phase, WHEN NOT CMD
-#if (CHIP == 700)
-    INT int_norm_selected
-#endif
-ENTRY cmdout_cmdout
-cmdout_cmdout:
-#if (CHIP != 700) && (CHIP != 70066)
-    MOVE FROM dsa_cmdout, WHEN CMD
-#else
-    MOVE 0, 0, WHEN CMD
-#endif /* (CHIP != 700) && (CHIP != 70066) */
-
-;
-; data_transfer  
-; other_out
-; other_in
-; other_transfer
-;
-; PURPOSE : handle the main data transfer for a SCSI command in 
-;	several parts.  In the first part, data_transfer, DATA_IN
-;	and DATA_OUT phases are allowed, with the user provided
-;	code (usually dynamically generated based on the scatter/gather
-;	list associated with a SCSI command) called to handle these 
-;	phases.
-;
-;	After control has passed to one of the user provided 
-;	DATA_IN or DATA_OUT routines, back calls are made to 
-;	other_transfer_in or other_transfer_out to handle non-DATA IN
-;	and DATA OUT phases respectively, with the state of the active
-;	data pointer being preserved in TEMP.
-;
-;	On completion, the user code passes control to other_transfer
-;	which causes DATA_IN and DATA_OUT to result in unexpected_phase
-;	interrupts so that data overruns may be trapped.
-;
-; INPUTS : DSA - SCSI command
-;
-; CALLS : OK in data_transfer_start, not ok in other_out and other_in, ok in
-;	other_transfer
-;
-; MODIFIES : SCRATCH
-;
-; EXITS : if STATUS IN is detected, signifying command completion,
-;	the NCR jumps to command_complete.  If MSG IN occurs, a 
-;	CALL is made to msg_in.  Otherwise, other_transfer runs in 
-;	an infinite loop.
-;	
-
-ENTRY data_transfer
-data_transfer:
-    JUMP cmdout_cmdout, WHEN CMD
-    CALL msg_in, WHEN MSG_IN
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-    JUMP do_dataout, WHEN DATA_OUT
-    JUMP do_datain, WHEN DATA_IN
-    JUMP command_complete, WHEN STATUS
-    JUMP data_transfer
-ENTRY end_data_transfer
-end_data_transfer:
-
-;
-; FIXME: On NCR53c700 and NCR53c700-66 chips, do_dataout/do_datain 
-; should be fixed up whenever the nexus changes so it can point to the 
-; correct routine for that command.
-;
-
-#if (CHIP != 700) && (CHIP != 70066)
-; Nasty jump to dsa->dataout
-do_dataout:
-#if (CHIP == 710)
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-#else
-    CALL dsa_to_scratch
-#endif
-    MOVE SCRATCH0 + dsa_dataout TO SCRATCH0	
-    MOVE SCRATCH1 + 0 TO SCRATCH1 WITH CARRY 
-    MOVE SCRATCH2 + 0 TO SCRATCH2 WITH CARRY 
-    MOVE SCRATCH3 + 0 TO SCRATCH3 WITH CARRY 
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, dataout_to_jump + 4
-    DMODE_MEMORY_TO_MEMORY
-dataout_to_jump:
-    MOVE MEMORY 4, 0, dataout_jump + 4 
-#if (CHIP == 710)
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-dataout_jump:
-    JUMP 0
-
-; Nasty jump to dsa->dsain
-do_datain:
-#if (CHIP == 710)
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-#else
-    CALL dsa_to_scratch
-#endif
-    MOVE SCRATCH0 + dsa_datain TO SCRATCH0	
-    MOVE SCRATCH1 + 0 TO SCRATCH1 WITH CARRY 
-    MOVE SCRATCH2 + 0 TO SCRATCH2 WITH CARRY 
-    MOVE SCRATCH3 + 0 TO SCRATCH3 WITH CARRY 
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, datain_to_jump + 4
-    DMODE_MEMORY_TO_MEMORY
-ENTRY datain_to_jump
-datain_to_jump:
-    MOVE MEMORY 4, 0, datain_jump + 4
-#if (CHIP == 710)
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-#ifdef DEBUG
-    INT int_debug_datain
-#endif
-datain_jump:
-    JUMP 0
-#endif /* (CHIP != 700) && (CHIP != 70066) */
-
-
-; Note that other_out and other_in loop until a non-data phase
-; is discovered, so we only execute return statements when we
-; can go on to the next data phase block move statement.
-
-ENTRY other_out
-other_out:
-#if 0
-    INT 0x03ffdead
-#endif
-    INT int_err_unexpected_phase, WHEN CMD
-    JUMP msg_in_restart, WHEN MSG_IN 
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-    INT int_err_unexpected_phase, WHEN DATA_IN
-    JUMP command_complete, WHEN STATUS
-    JUMP other_out, WHEN NOT DATA_OUT
-#if (CHIP == 710)
-; TEMP should be OK, as we got here from a call in the user dataout code.
-#endif
-    RETURN
-
-ENTRY other_in
-other_in:
-#if 0
-    INT 0x03ffdead
-#endif
-    INT int_err_unexpected_phase, WHEN CMD
-    JUMP msg_in_restart, WHEN MSG_IN 
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-    INT int_err_unexpected_phase, WHEN DATA_OUT
-    JUMP command_complete, WHEN STATUS
-    JUMP other_in, WHEN NOT DATA_IN
-#if (CHIP == 710)
-; TEMP should be OK, as we got here from a call in the user datain code.
-#endif
-    RETURN
-
-
-ENTRY other_transfer
-other_transfer:
-    INT int_err_unexpected_phase, WHEN CMD
-    CALL msg_in, WHEN MSG_IN
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-    INT int_err_unexpected_phase, WHEN DATA_OUT
-    INT int_err_unexpected_phase, WHEN DATA_IN
-    JUMP command_complete, WHEN STATUS
-    JUMP other_transfer
-
-;
-; msg_in_restart
-; msg_in
-; munge_msg
-;
-; PURPOSE : process messages from a target.  msg_in is called when the 
-;	caller hasn't read the first byte of the message.  munge_message
-;	is called when the caller has read the first byte of the message,
-;	and left it in SFBR.  msg_in_restart is called when the caller 
-;	hasn't read the first byte of the message, and wishes RETURN
-;	to transfer control back to the address of the conditional
-;	CALL instruction rather than to the instruction after it.
-;
-;	Various int_* interrupts are generated when the host system
-;	needs to intervene, as is the case with SDTR, WDTR, and
-;	INITIATE RECOVERY messages.
-;
-;	When the host system handles one of these interrupts,
-;	it can respond by reentering at reject_message, 
-;	which rejects the message and returns control to
-;	the caller of msg_in or munge_msg, accept_message
-;	which clears ACK and returns control, or reply_message
-;	which sends the message pointed to by the DSA 
-;	msgout_other table indirect field.
-;
-;	DISCONNECT messages are handled by moving the command
-;	to the reconnect_dsa_queue.
-#if (CHIP == 710)
-; NOTE: DSA should be valid when we get here - we cannot save both it
-;	and TEMP in this routine.
-#endif
-;
-; INPUTS : DSA - SCSI COMMAND, SFBR - first byte of message (munge_msg
-;	only)
-;
-; CALLS : NO.  The TEMP register isn't backed up to allow nested calls.
-;
-; MODIFIES : SCRATCH, DSA on DISCONNECT
-;
-; EXITS : On receipt of SAVE DATA POINTER, RESTORE POINTERS,
-;	and normal return from message handlers running under
-;	Linux, control is returned to the caller.  Receipt
-;	of DISCONNECT messages pass control to dsa_schedule.
-;
-ENTRY msg_in_restart
-msg_in_restart:
-; XXX - hackish
-;
-; Since it's easier to debug changes to the statically 
-; compiled code, rather than the dynamically generated 
-; stuff, such as
-;
-; 	MOVE x, y, WHEN data_phase
-; 	CALL other_z, WHEN NOT data_phase
-; 	MOVE x, y, WHEN data_phase
-;
-; I'd like to have certain routines (notably the message handler)
-; restart on the conditional call rather than the next instruction.
-;
-; So, subtract 8 from the return address
-
-    MOVE TEMP0 + 0xf8 TO TEMP0
-    MOVE TEMP1 + 0xff TO TEMP1 WITH CARRY
-    MOVE TEMP2 + 0xff TO TEMP2 WITH CARRY
-    MOVE TEMP3 + 0xff TO TEMP3 WITH CARRY
-
-ENTRY msg_in
-msg_in:
-    MOVE 1, msg_buf, WHEN MSG_IN
-
-munge_msg:
-    JUMP munge_extended, IF 0x01		; EXTENDED MESSAGE
-    JUMP munge_2, IF 0x20, AND MASK 0xdf	; two byte message
-;
-; XXX - I've seen a handful of broken SCSI devices which fail to issue
-; 	a SAVE POINTERS message before disconnecting in the middle of 
-; 	a transfer, assuming that the DATA POINTER will be implicitly 
-; 	restored.  
-;
-; Historically, I've often done an implicit save when the DISCONNECT
-; message is processed.  We may want to consider having the option of 
-; doing that here. 
-;
-    JUMP munge_save_data_pointer, IF 0x02	; SAVE DATA POINTER
-    JUMP munge_restore_pointers, IF 0x03	; RESTORE POINTERS 
-    JUMP munge_disconnect, IF 0x04		; DISCONNECT
-    INT int_msg_1, IF 0x07			; MESSAGE REJECT
-    INT int_msg_1, IF 0x0f			; INITIATE RECOVERY
-#ifdef EVENTS 
-    INT int_EVENT_SELECT_FAILED 
-#endif
-    JUMP reject_message
-
-munge_2:
-    JUMP reject_message
-;
-; The SCSI standard allows targets to recover from transient 
-; error conditions by backing up the data pointer with a 
-; RESTORE POINTERS message.  
-;	
-; So, we must save and restore the _residual_ code as well as 
-; the current instruction pointer.  Because of this messiness,
-; it is simpler to put dynamic code in the dsa for this and to
-; just do a simple jump down there. 
-;
-
-munge_save_data_pointer:
-#if (CHIP == 710)
-    ; We have something in TEMP here, so first we must save that
-    MOVE TEMP0 TO SFBR
-    MOVE SFBR TO SCRATCH0
-    MOVE TEMP1 TO SFBR
-    MOVE SFBR TO SCRATCH1
-    MOVE TEMP2 TO SFBR
-    MOVE SFBR TO SCRATCH2
-    MOVE TEMP3 TO SFBR
-    MOVE SFBR TO SCRATCH3
-    MOVE MEMORY 4, addr_scratch, jump_temp + 4
-    ; Now restore DSA
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-    MOVE DSA0 + dsa_save_data_pointer TO SFBR
-    MOVE SFBR TO SCRATCH0
-    MOVE DSA1 + 0xff TO SFBR WITH CARRY
-    MOVE SFBR TO SCRATCH1
-    MOVE DSA2 + 0xff TO SFBR WITH CARRY 
-    MOVE SFBR TO SCRATCH2
-    MOVE DSA3 + 0xff TO SFBR WITH CARRY
-    MOVE SFBR TO SCRATCH3
-
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, jump_dsa_save + 4
-    DMODE_MEMORY_TO_MEMORY
-jump_dsa_save:
-    JUMP 0
-
-munge_restore_pointers:
-#if (CHIP == 710)
-    ; The code at dsa_restore_pointers will RETURN, but we don't care
-    ; about TEMP here, as it will overwrite it anyway.
-#endif
-    MOVE DSA0 + dsa_restore_pointers TO SFBR
-    MOVE SFBR TO SCRATCH0
-    MOVE DSA1 + 0xff TO SFBR WITH CARRY
-    MOVE SFBR TO SCRATCH1
-    MOVE DSA2 + 0xff TO SFBR WITH CARRY
-    MOVE SFBR TO SCRATCH2
-    MOVE DSA3 + 0xff TO SFBR WITH CARRY
-    MOVE SFBR TO SCRATCH3
-
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, jump_dsa_restore + 4
-    DMODE_MEMORY_TO_MEMORY
-jump_dsa_restore:
-    JUMP 0
-
-
-munge_disconnect:
-#ifdef DEBUG
-    INT int_debug_disconnect_msg
-#endif
-
-/* 
- * Before, we overlapped processing with waiting for disconnect, but
- * debugging was beginning to appear messy.  Temporarily move things
- * to just before the WAIT DISCONNECT.
- */
- 
-#ifdef ORIGINAL
-#if (CHIP == 710)
-; Following clears Unexpected Disconnect bit.  What do we do?
-#else
-    MOVE SCNTL2 & 0x7f TO SCNTL2
-#endif
-    CLEAR ACK
-#endif
-
-#if (CHIP != 700) && (CHIP != 70066)
-    JUMP dsa_schedule
-#else
-    WAIT DISCONNECT
-    INT int_norm_disconnected
-#endif
-
-munge_extended:
-    CLEAR ACK
-    INT int_err_unexpected_phase, WHEN NOT MSG_IN
-    MOVE 1, msg_buf + 1, WHEN MSG_IN
-    JUMP munge_extended_2, IF 0x02
-    JUMP munge_extended_3, IF 0x03 
-    JUMP reject_message
-
-munge_extended_2:
-    CLEAR ACK
-    MOVE 1, msg_buf + 2, WHEN MSG_IN
-    JUMP reject_message, IF NOT 0x02	; Must be WDTR
-    CLEAR ACK
-    MOVE 1, msg_buf + 3, WHEN MSG_IN
-    INT int_msg_wdtr
-
-munge_extended_3:
-    CLEAR ACK
-    MOVE 1, msg_buf + 2, WHEN MSG_IN
-    JUMP reject_message, IF NOT 0x01	; Must be SDTR
-    CLEAR ACK
-    MOVE 2, msg_buf + 3, WHEN MSG_IN
-    INT int_msg_sdtr
-
-ENTRY reject_message
-reject_message:
-    SET ATN
-    CLEAR ACK
-    MOVE 1, NCR53c7xx_msg_reject, WHEN MSG_OUT
-    RETURN
-
-ENTRY accept_message
-accept_message:
-    CLEAR ATN
-    CLEAR ACK
-    RETURN
-
-ENTRY respond_message
-respond_message:
-    SET ATN
-    CLEAR ACK
-    MOVE FROM dsa_msgout_other, WHEN MSG_OUT
-    RETURN
-
-;
-; command_complete
-;
-; PURPOSE : handle command termination when STATUS IN is detected by reading
-;	a status byte followed by a command termination message. 
-;
-;	Normal termination results in an INTFLY instruction, and 
-;	the host system can pick out which command terminated by 
-;	examining the MESSAGE and STATUS buffers of all currently 
-;	executing commands;
-;
-;	Abnormal (CHECK_CONDITION) termination results in an
-;	int_err_check_condition interrupt so that a REQUEST SENSE
-;	command can be issued out-of-order so that no other command
-;	clears the contingent allegiance condition.
-;	
-;
-; INPUTS : DSA - command	
-;
-; CALLS : OK
-;
-; EXITS : On successful termination, control is passed to schedule.
-;	On abnormal termination, the user will usually modify the 
-;	DSA fields and corresponding buffers and return control
-;	to select.
-;
-
-ENTRY command_complete
-command_complete:
-    MOVE FROM dsa_status, WHEN STATUS
-#if (CHIP != 700) && (CHIP != 70066)
-    MOVE SFBR TO SCRATCH0		; Save status
-#endif /* (CHIP != 700) && (CHIP != 70066) */
-ENTRY command_complete_msgin
-command_complete_msgin:
-    MOVE FROM dsa_msgin, WHEN MSG_IN
-; Indicate that we should be expecting a disconnect
-#if (CHIP != 710)
-    MOVE SCNTL2 & 0x7f TO SCNTL2
-#else
-    ; Above code cleared the Unexpected Disconnect bit, what do we do?
-#endif
-    CLEAR ACK
-#if (CHIP != 700) && (CHIP != 70066)
-    WAIT DISCONNECT
-
-;
-; The SCSI specification states that when a UNIT ATTENTION condition
-; is pending, as indicated by a CHECK CONDITION status message,
-; the target shall revert to asynchronous transfers.  Since
-; synchronous transfers parameters are maintained on a per INITIATOR/TARGET 
-; basis, and returning control to our scheduler could work on a command
-; running on another lun on that target using the old parameters, we must
-; interrupt the host processor to get them changed, or change them ourselves.
-;
-; Once SCSI-II tagged queueing is implemented, things will be even more
-; hairy, since contingent allegiance conditions exist on a per-target/lun
-; basis, and issuing a new command with a different tag would clear it.
-; In these cases, we must interrupt the host processor to get a request 
-; added to the HEAD of the queue with the request sense command, or we
-; must automatically issue the request sense command.
-
-#if 0
-    MOVE SCRATCH0 TO SFBR			
-    JUMP command_failed, IF 0x02
-#endif
-#if (CHIP == 710)
-#if defined(MVME16x_INTFLY)
-; For MVME16x (ie CHIP=710) we will force an INTFLY by triggering a software
-; interrupt (SW7).  We can use SCRATCH, as we are about to jump to
-; schedule, which corrupts it anyway.  Will probably remove this later,
-; but want to check performance effects first.
-
-#define INTFLY_ADDR     0xfff40070
-
-    MOVE 0 TO SCRATCH0
-    MOVE 0x80 TO SCRATCH1
-    MOVE 0 TO SCRATCH2
-    MOVE 0 TO SCRATCH3
-    MOVE MEMORY 4, addr_scratch, INTFLY_ADDR
-#else
-    INT int_norm_emulateintfly
-#endif
-#else
-    INTFLY
-#endif
-#endif /* (CHIP != 700) && (CHIP != 70066) */
-#if (CHIP == 710)
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-#ifdef EVENTS
-    INT int_EVENT_COMPLETE
-#endif
-#if (CHIP != 700) && (CHIP != 70066)
-    JUMP schedule
-command_failed:
-    INT int_err_check_condition
-#else
-    INT int_norm_command_complete
-#endif
-
-;
-; wait_reselect
-;
-; PURPOSE : This is essentially the idle routine, where control lands
-;	when there are no new processes to schedule.  wait_reselect
-;	waits for reselection, selection, and new commands.
-;
-;	When a successful reselection occurs, with the aid 
-;	of fixed up code in each DSA, wait_reselect walks the 
-;	reconnect_dsa_queue, asking each dsa if the target ID
-;	and LUN match its.
-;
-;	If a match is found, a call is made back to reselected_ok,
-;	which through the miracles of self modifying code, extracts
-;	the found DSA from the reconnect_dsa_queue and then 
-;	returns control to the DSAs thread of execution.
-;
-; INPUTS : NONE
-;
-; CALLS : OK
-;
-; MODIFIES : DSA,
-;
-; EXITS : On successful reselection, control is returned to the 
-;	DSA which called reselected_ok.  If the WAIT RESELECT
-;	was interrupted by a new commands arrival signaled by 
-;	SIG_P, control is passed to schedule.  If the NCR is 
-;	selected, the host system is interrupted with an 
-;	int_err_selected which is usually responded to by
-;	setting DSP to the target_abort address.
-
-ENTRY wait_reselect
-wait_reselect:
-#ifdef EVENTS
-    int int_EVENT_IDLE
-#endif
-#ifdef DEBUG
-    int int_debug_idle
-#endif
-    WAIT RESELECT wait_reselect_failed
-
-reselected:
-#ifdef EVENTS
-    int int_EVENT_RESELECT
-#endif
-    CLEAR TARGET
-    DMODE_MEMORY_TO_MEMORY
-    ; Read all data needed to reestablish the nexus - 
-    MOVE 1, reselected_identify, WHEN MSG_IN
-    ; We used to CLEAR ACK here.
-#if (CHIP != 700) && (CHIP != 70066)
-#ifdef DEBUG
-    int int_debug_reselected
-#endif
-
-    ; Point DSA at the current head of the disconnected queue.
-    DMODE_MEMORY_TO_NCR
-    MOVE MEMORY 4, reconnect_dsa_head, addr_scratch
-    DMODE_MEMORY_TO_MEMORY
-#if (CHIP == 710)
-    MOVE MEMORY 4, addr_scratch, saved_dsa
-#else
-    CALL scratch_to_dsa
-#endif
-
-    ; Fix the update-next pointer so that the reconnect_dsa_head
-    ; pointer is the one that will be updated if this DSA is a hit 
-    ; and we remove it from the queue.
-
-    MOVE MEMORY 4, addr_reconnect_dsa_head, reselected_ok_patch + 8
-#if (CHIP == 710)
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-
-ENTRY reselected_check_next
-reselected_check_next:
-#ifdef DEBUG
-    INT int_debug_reselect_check
-#endif
-    ; Check for a NULL pointer.
-    MOVE DSA0 TO SFBR
-    JUMP reselected_not_end, IF NOT 0
-    MOVE DSA1 TO SFBR
-    JUMP reselected_not_end, IF NOT 0
-    MOVE DSA2 TO SFBR
-    JUMP reselected_not_end, IF NOT 0
-    MOVE DSA3 TO SFBR
-    JUMP reselected_not_end, IF NOT 0
-    INT int_err_unexpected_reselect
-
-reselected_not_end:
-    ;
-    ; XXX the ALU is only eight bits wide, and the assembler
-    ; wont do the dirt work for us.  As long as dsa_check_reselect
-    ; is negative, we need to sign extend with 1 bits to the full
-    ; 32 bit width of the address.
-    ;
-    ; A potential work around would be to have a known alignment 
-    ; of the DSA structure such that the base address plus 
-    ; dsa_check_reselect doesn't require carrying from bytes 
-    ; higher than the LSB.
-    ;
-
-    MOVE DSA0 TO SFBR
-    MOVE SFBR + dsa_check_reselect TO SCRATCH0
-    MOVE DSA1 TO SFBR
-    MOVE SFBR + 0xff TO SCRATCH1 WITH CARRY
-    MOVE DSA2 TO SFBR
-    MOVE SFBR + 0xff TO SCRATCH2 WITH CARRY
-    MOVE DSA3 TO SFBR
-    MOVE SFBR + 0xff TO SCRATCH3 WITH CARRY
-
-    DMODE_NCR_TO_MEMORY
-    MOVE MEMORY 4, addr_scratch, reselected_check + 4
-    DMODE_MEMORY_TO_MEMORY
-#if (CHIP == 710)
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-#endif
-reselected_check:
-    JUMP 0
-
-
-;
-;
-#if (CHIP == 710)
-; We have problems here - the memory move corrupts TEMP and DSA.  This
-; routine is called from DSA code, and patched from many places.  Scratch
-; is probably free when it is called.
-; We have to:
-;   copy temp to scratch, one byte at a time
-;   write scratch to patch a jump in place of the return
-;   do the move memory
-;   jump to the patched in return address
-; DSA is corrupt when we get here, and can be left corrupt
-
-ENTRY reselected_ok
-reselected_ok:
-    MOVE TEMP0 TO SFBR
-    MOVE SFBR TO SCRATCH0
-    MOVE TEMP1 TO SFBR
-    MOVE SFBR TO SCRATCH1
-    MOVE TEMP2 TO SFBR
-    MOVE SFBR TO SCRATCH2
-    MOVE TEMP3 TO SFBR
-    MOVE SFBR TO SCRATCH3
-    MOVE MEMORY 4, addr_scratch, reselected_ok_jump + 4
-reselected_ok_patch:
-    MOVE MEMORY 4, 0, 0
-reselected_ok_jump:
-    JUMP 0
-#else
-ENTRY reselected_ok
-reselected_ok:
-reselected_ok_patch:
-    MOVE MEMORY 4, 0, 0				; Patched : first word
-						; 	is address of 
-						;       successful dsa_next
-						; Second word is last 
-						;	unsuccessful dsa_next,
-						;	starting with 
-						;       dsa_reconnect_head
-    ; We used to CLEAR ACK here.
-#ifdef DEBUG
-    INT int_debug_reselected_ok
-#endif
-#ifdef DEBUG
-    INT int_debug_check_dsa
-#endif
-    RETURN					; Return control to where
-#endif
-#else
-    INT int_norm_reselected
-#endif /* (CHIP != 700) && (CHIP != 70066) */
-
-selected:
-    INT int_err_selected;
-
-;
-; A select or reselect failure can be caused by one of two conditions : 
-; 1.  SIG_P was set.  This will be the case if the user has written
-;	a new value to a previously NULL head of the issue queue.
-;
-; 2.  The NCR53c810 was selected or reselected by another device.
-;
-; 3.  The bus was already busy since we were selected or reselected
-;	before starting the command.
-
-wait_reselect_failed:
-#ifdef EVENTS 
-	INT int_EVENT_RESELECT_FAILED
-#endif
-; Check selected bit.  
-#if (CHIP == 710)
-    ; Must work out how to tell if we are selected....
-#else
-    MOVE SIST0 & 0x20 TO SFBR
-    JUMP selected, IF 0x20
-#endif
-; Reading CTEST2 clears the SIG_P bit in the ISTAT register.
-    MOVE CTEST2 & 0x40 TO SFBR	
-    JUMP schedule, IF 0x40
-; Check connected bit.  
-; FIXME: this needs to change if we support target mode
-    MOVE ISTAT & 0x08 TO SFBR
-    JUMP reselected, IF 0x08
-; FIXME : Something bogus happened, and we shouldn't fail silently.
-#if 0
-    JUMP schedule
-#else
-    INT int_debug_panic
-#endif
-
-
-select_failed:
-#if (CHIP == 710)
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-#endif
-#ifdef EVENTS
-  int int_EVENT_SELECT_FAILED
-#endif
-; Otherwise, mask the selected and reselected bits off SIST0
-#if (CHIP ==710)
-    ; Let's assume we don't get selected for now
-    MOVE SSTAT0 & 0x10 TO SFBR
-#else
-    MOVE SIST0 & 0x30 TO SFBR
-    JUMP selected, IF 0x20
-#endif
-    JUMP reselected, IF 0x10 
-; If SIGP is set, the user just gave us another command, and
-; we should restart or return to the scheduler.
-; Reading CTEST2 clears the SIG_P bit in the ISTAT register.
-    MOVE CTEST2 & 0x40 TO SFBR	
-    JUMP select, IF 0x40
-; Check connected bit.  
-; FIXME: this needs to change if we support target mode
-; FIXME: is this really necessary? 
-    MOVE ISTAT & 0x08 TO SFBR
-    JUMP reselected, IF 0x08
-; FIXME : Something bogus happened, and we shouldn't fail silently.
-#if 0
-    JUMP schedule
-#else
-    INT int_debug_panic
-#endif
-
-;
-; test_1
-; test_2
-;
-; PURPOSE : run some verification tests on the NCR.  test_1
-;	copies test_src to test_dest and interrupts the host
-;	processor, testing for cache coherency and interrupt
-; 	problems in the processes.
-;
-;	test_2 runs a command with offsets relative to the 
-;	DSA on entry, and is useful for miscellaneous experimentation.
-;
-
-; Verify that interrupts are working correctly and that we don't 
-; have a cache invalidation problem.
-
-ABSOLUTE test_src = 0, test_dest = 0
-ENTRY test_1
-test_1:
-    MOVE MEMORY 4, test_src, test_dest
-    INT int_test_1
-
-;
-; Run arbitrary commands, with test code establishing a DSA
-;
- 
-ENTRY test_2
-test_2:
-    CLEAR TARGET
-#if (CHIP == 710)
-    ; Enable selection timer
-#ifdef NO_SELECTION_TIMEOUT
-    MOVE CTEST7 & 0xff TO CTEST7
-#else
-    MOVE CTEST7 & 0xef TO CTEST7
-#endif
-#endif
-    SELECT ATN FROM 0, test_2_fail
-    JUMP test_2_msgout, WHEN MSG_OUT
-ENTRY test_2_msgout
-test_2_msgout:
-#if (CHIP == 710)
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-#endif
-    MOVE FROM 8, WHEN MSG_OUT
-    MOVE FROM 16, WHEN CMD 
-    MOVE FROM 24, WHEN DATA_IN
-    MOVE FROM 32, WHEN STATUS
-    MOVE FROM 40, WHEN MSG_IN
-#if (CHIP != 710)
-    MOVE SCNTL2 & 0x7f TO SCNTL2
-#endif
-    CLEAR ACK
-    WAIT DISCONNECT
-test_2_fail:
-#if (CHIP == 710)
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-#endif
-    INT int_test_2
-
-ENTRY debug_break
-debug_break:
-    INT int_debug_break
-
-;
-; initiator_abort
-; target_abort
-;
-; PURPOSE : Abort the currently established nexus from with initiator
-;	or target mode.
-;
-;  
-
-ENTRY target_abort
-target_abort:
-    SET TARGET
-    DISCONNECT
-    CLEAR TARGET
-    JUMP schedule
-    
-ENTRY initiator_abort
-initiator_abort:
-    SET ATN
-;
-; The SCSI-I specification says that targets may go into MSG out at 
-; their leisure upon receipt of the ATN single.  On all versions of the 
-; specification, we can't change phases until REQ transitions true->false, 
-; so we need to sink/source one byte of data to allow the transition.
-;
-; For the sake of safety, we'll only source one byte of data in all 
-; cases, but to accommodate the SCSI-I dain bramage, we'll sink an  
-; arbitrary number of bytes.
-    JUMP spew_cmd, WHEN CMD
-    JUMP eat_msgin, WHEN MSG_IN
-    JUMP eat_datain, WHEN DATA_IN
-    JUMP eat_status, WHEN STATUS
-    JUMP spew_dataout, WHEN DATA_OUT
-    JUMP sated
-spew_cmd:
-    MOVE 1, NCR53c7xx_zero, WHEN CMD
-    JUMP sated
-eat_msgin:
-    MOVE 1, NCR53c7xx_sink, WHEN MSG_IN
-    JUMP eat_msgin, WHEN MSG_IN
-    JUMP sated
-eat_status:
-    MOVE 1, NCR53c7xx_sink, WHEN STATUS
-    JUMP eat_status, WHEN STATUS
-    JUMP sated
-eat_datain:
-    MOVE 1, NCR53c7xx_sink, WHEN DATA_IN
-    JUMP eat_datain, WHEN DATA_IN
-    JUMP sated
-spew_dataout:
-    MOVE 1, NCR53c7xx_zero, WHEN DATA_OUT
-sated:
-#if (CHIP != 710)
-    MOVE SCNTL2 & 0x7f TO SCNTL2
-#endif
-    MOVE 1, NCR53c7xx_msg_abort, WHEN MSG_OUT
-    WAIT DISCONNECT
-    INT int_norm_aborted
-
-#if (CHIP != 710)
-;
-; dsa_to_scratch
-; scratch_to_dsa
-;
-; PURPOSE :
-; 	The NCR chips cannot do a move memory instruction with the DSA register 
-; 	as the source or destination.  So, we provide a couple of subroutines
-; 	that let us switch between the DSA register and scratch register.
-;
-; 	Memory moves to/from the DSPS  register also don't work, but we 
-; 	don't use them.
-;
-;
-
- 
-dsa_to_scratch:
-    MOVE DSA0 TO SFBR
-    MOVE SFBR TO SCRATCH0
-    MOVE DSA1 TO SFBR
-    MOVE SFBR TO SCRATCH1
-    MOVE DSA2 TO SFBR
-    MOVE SFBR TO SCRATCH2
-    MOVE DSA3 TO SFBR
-    MOVE SFBR TO SCRATCH3
-    RETURN
-
-scratch_to_dsa:
-    MOVE SCRATCH0 TO SFBR
-    MOVE SFBR TO DSA0
-    MOVE SCRATCH1 TO SFBR
-    MOVE SFBR TO DSA1
-    MOVE SCRATCH2 TO SFBR
-    MOVE SFBR TO DSA2
-    MOVE SCRATCH3 TO SFBR
-    MOVE SFBR TO DSA3
-    RETURN
-#endif
- 
-#if (CHIP == 710)
-; Little patched jump, used to overcome problems with TEMP getting
-; corrupted on memory moves.
-
-jump_temp:
-    JUMP 0
-#endif

drivers/scsi/53c7xx_d.h_shipped

@@ -1,2874 +0,0 @@
-/* DO NOT EDIT - Generated automatically by script_asm.pl */
-static u32 SCRIPT[] = {
-/*
-
-
-
-
-
-; 53c710 driver.  Modified from Drew Eckhardts driver
-; for 53c810 by Richard Hirst [richard@sleepie.demon.co.uk]
-;
-; I have left the script for the 53c8xx family in here, as it is likely
-; to be useful to see what I changed when bug hunting.
-
-; NCR 53c810 driver, main script
-; Sponsored by 
-;	iX Multiuser Multitasking Magazine
-;	hm@ix.de
-;
-; Copyright 1993, 1994, 1995 Drew Eckhardt
-;      Visionary Computing 
-;      (Unix and Linux consulting and custom programming)
-;      drew@PoohSticks.ORG
-;      +1 (303) 786-7975
-;
-; TolerANT and SCSI SCRIPTS are registered trademarks of NCR Corporation.
-;
-; PRE-ALPHA
-;
-; For more information, please consult 
-;
-; NCR 53C810
-; PCI-SCSI I/O Processor
-; Data Manual
-;
-; NCR 53C710 
-; SCSI I/O Processor
-; Programmers Guide
-;
-; NCR Microelectronics
-; 1635 Aeroplaza Drive
-; Colorado Springs, CO 80916
-; 1+ (719) 578-3400
-;
-; Toll free literature number
-; +1 (800) 334-5454
-;
-; IMPORTANT : This code is self modifying due to the limitations of 
-;	the NCR53c7,8xx series chips.  Persons debugging this code with
-;	the remote debugger should take this into account, and NOT set
-;	breakpoints in modified instructions.
-;
-; Design:
-; The NCR53c7,8xx family of SCSI chips are busmasters with an onboard 
-; microcontroller using a simple instruction set.   
-;
-; So, to minimize the effects of interrupt latency, and to maximize 
-; throughput, this driver offloads the practical maximum amount 
-; of processing to the SCSI chip while still maintaining a common
-; structure.
-;
-; Where tradeoffs were needed between efficiency on the older
-; chips and the newer NCR53c800 series, the NCR53c800 series 
-; was chosen.
-;
-; While the NCR53c700 and NCR53c700-66 lacked the facilities to fully
-; automate SCSI transfers without host processor intervention, this 
-; isn't the case with the NCR53c710 and newer chips which allow 
-;
-; - reads and writes to the internal registers from within the SCSI
-; 	scripts, allowing the SCSI SCRIPTS(tm) code to save processor
-; 	state so that multiple threads of execution are possible, and also
-; 	provide an ALU for loop control, etc.
-; 
-; - table indirect addressing for some instructions. This allows 
-;	pointers to be located relative to the DSA ((Data Structure
-;	Address) register.
-;
-; These features make it possible to implement a mailbox style interface,
-; where the same piece of code is run to handle I/O for multiple threads
-; at once minimizing our need to relocate code.  Since the NCR53c700/
-; NCR53c800 series have a unique combination of features, making a 
-; a standard ingoing/outgoing mailbox system, costly, I've modified it.
-;
-; - Mailboxes are a mixture of code and data.  This lets us greatly
-; 	simplify the NCR53c810 code and do things that would otherwise
-;	not be possible.
-;
-; The saved data pointer is now implemented as follows :
-;
-; 	Control flow has been architected such that if control reaches
-;	munge_save_data_pointer, on a restore pointers message or 
-;	reconnection, a jump to the address formerly in the TEMP register
-;	will allow the SCSI command to resume execution.
-;
-
-;
-; Note : the DSA structures must be aligned on 32 bit boundaries,
-; since the source and destination of MOVE MEMORY instructions 
-; must share the same alignment and this is the alignment of the
-; NCR registers.
-;
-
-; For some systems (MVME166, for example) dmode is always the same, so don't
-; waste time writing it
-
-
-
-
-
-
-
-
-
-
-
-ABSOLUTE dsa_temp_lun = 0		; Patch to lun for current dsa
-ABSOLUTE dsa_temp_next = 0		; Patch to dsa next for current dsa
-ABSOLUTE dsa_temp_addr_next = 0		; Patch to address of dsa next address 
-					; 	for current dsa
-ABSOLUTE dsa_temp_sync = 0		; Patch to address of per-target
-					;	sync routine
-ABSOLUTE dsa_sscf_710 = 0		; Patch to address of per-target
-					;	sscf value (53c710)
-ABSOLUTE dsa_temp_target = 0		; Patch to id for current dsa
-ABSOLUTE dsa_temp_addr_saved_pointer = 0; Patch to address of per-command
-					; 	saved data pointer
-ABSOLUTE dsa_temp_addr_residual = 0	; Patch to address of per-command
-					;	current residual code
-ABSOLUTE dsa_temp_addr_saved_residual = 0; Patch to address of per-command
-					; saved residual code
-ABSOLUTE dsa_temp_addr_new_value = 0	; Address of value for JUMP operand
-ABSOLUTE dsa_temp_addr_array_value = 0 	; Address to copy to
-ABSOLUTE dsa_temp_addr_dsa_value = 0	; Address of this DSA value
-
-;
-; Once a device has initiated reselection, we need to compare it 
-; against the singly linked list of commands which have disconnected
-; and are pending reselection.  These commands are maintained in 
-; an unordered singly linked list of DSA structures, through the
-; DSA pointers at their 'centers' headed by the reconnect_dsa_head
-; pointer.
-; 
-; To avoid complications in removing commands from the list,
-; I minimize the amount of expensive (at eight operations per
-; addition @ 500-600ns each) pointer operations which must
-; be done in the NCR driver by precomputing them on the 
-; host processor during dsa structure generation.
-;
-; The fixed-up per DSA code knows how to recognize the nexus
-; associated with the corresponding SCSI command, and modifies
-; the source and destination pointers for the MOVE MEMORY 
-; instruction which is executed when reselected_ok is called
-; to remove the command from the list.  Similarly, DSA is 
-; loaded with the address of the next DSA structure and
-; reselected_check_next is called if a failure occurs.
-;
-; Perhaps more concisely, the net effect of the mess is 
-;
-; for (dsa = reconnect_dsa_head, dest = &reconnect_dsa_head, 
-;     src = NULL; dsa; dest = &dsa->next, dsa = dsa->next) {
-; 	src = &dsa->next;
-; 	if (target_id == dsa->id && target_lun == dsa->lun) {
-; 		*dest = *src;
-; 		break;
-;         }	
-; }
-;
-; if (!dsa)
-;           error (int_err_unexpected_reselect);
-; else  
-;     longjmp (dsa->jump_resume, 0);
-;
-; 	
-
-
-; Define DSA structure used for mailboxes
-ENTRY dsa_code_template
-dsa_code_template:
-ENTRY dsa_code_begin
-dsa_code_begin:
-; RGH: Don't care about TEMP and DSA here
-	
-	MOVE MEMORY 4, dsa_temp_addr_dsa_value, addr_scratch
-
-at 0x00000000 : */	0xc0000004,0x00000000,0x00000000,
-/*
-	
-
-	MOVE MEMORY 4, addr_scratch, saved_dsa
-
-at 0x00000003 : */	0xc0000004,0x00000000,0x00000000,
-/*
-	; We are about to go and select the device, so must set SSCF bits
-	MOVE MEMORY 4, dsa_sscf_710, addr_scratch
-
-at 0x00000006 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-	MOVE SCRATCH3 TO SFBR
-
-at 0x00000009 : */	0x72370000,0x00000000,
-/*
-
-
-
-	MOVE SFBR TO SBCL
-
-at 0x0000000b : */	0x6a0b0000,0x00000000,
-/*
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x0000000d : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-	CALL select
-
-at 0x00000010 : */	0x88080000,0x000001f8,
-/*
-; Handle the phase mismatch which may have resulted from the 
-; MOVE FROM dsa_msgout if we returned here.  The CLEAR ATN 
-; may or may not be necessary, and we should update script_asm.pl
-; to handle multiple pieces.
-    CLEAR ATN
-
-at 0x00000012 : */	0x60000008,0x00000000,
-/*
-    CLEAR ACK
-
-at 0x00000014 : */	0x60000040,0x00000000,
-/*
-
-; Replace second operand with address of JUMP instruction dest operand
-; in schedule table for this DSA.  Becomes dsa_jump_dest in 53c7,8xx.c.
-ENTRY dsa_code_fix_jump
-dsa_code_fix_jump:
-	MOVE MEMORY 4, NOP_insn, 0
-
-at 0x00000016 : */	0xc0000004,0x00000000,0x00000000,
-/*
-	JUMP select_done
-
-at 0x00000019 : */	0x80080000,0x00000230,
-/*
-
-; wrong_dsa loads the DSA register with the value of the dsa_next
-; field.
-;
-wrong_dsa:
-
-;                NOTE DSA is corrupt when we arrive here!
-
-;		Patch the MOVE MEMORY INSTRUCTION such that 
-;		the destination address is the address of the OLD 
-;		next pointer.
-;
-	MOVE MEMORY 4, dsa_temp_addr_next, reselected_ok_patch + 8
-
-at 0x0000001b : */	0xc0000004,0x00000000,0x000007ec,
-/*
-	
-;
-; 	Move the _contents_ of the next pointer into the DSA register as 
-;	the next I_T_L or I_T_L_Q tupple to check against the established
-;	nexus.
-;
-	MOVE MEMORY 4, dsa_temp_next, addr_scratch
-
-at 0x0000001e : */	0xc0000004,0x00000000,0x00000000,
-/*
-	
-
-	MOVE MEMORY 4, addr_scratch, saved_dsa
-
-at 0x00000021 : */	0xc0000004,0x00000000,0x00000000,
-/*
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x00000024 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-	JUMP reselected_check_next
-
-at 0x00000027 : */	0x80080000,0x000006f0,
-/*
-
-ABSOLUTE dsa_save_data_pointer = 0
-ENTRY dsa_code_save_data_pointer
-dsa_code_save_data_pointer:
-
-	; When we get here, TEMP has been saved in jump_temp+4, DSA is corrupt
-	; We MUST return with DSA correct
-    	MOVE MEMORY 4, jump_temp+4, dsa_temp_addr_saved_pointer
-
-at 0x00000029 : */	0xc0000004,0x000009c8,0x00000000,
-/*
-; HARD CODED : 24 bytes needs to agree with 53c7,8xx.h
-    	MOVE MEMORY 24, dsa_temp_addr_residual, dsa_temp_addr_saved_residual
-
-at 0x0000002c : */	0xc0000018,0x00000000,0x00000000,
-/*
-        CLEAR ACK
-
-at 0x0000002f : */	0x60000040,0x00000000,
-/*
-
-
-
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x00000031 : */	0xc0000004,0x00000000,0x00000000,
-/*
-	JUMP jump_temp
-
-at 0x00000034 : */	0x80080000,0x000009c4,
-/*
-
-ABSOLUTE dsa_restore_pointers = 0
-ENTRY dsa_code_restore_pointers
-dsa_code_restore_pointers:
-
-	; TEMP and DSA are corrupt when we get here, but who cares!
-    	MOVE MEMORY 4, dsa_temp_addr_saved_pointer, jump_temp + 4
-
-at 0x00000036 : */	0xc0000004,0x00000000,0x000009c8,
-/*
-; HARD CODED : 24 bytes needs to agree with 53c7,8xx.h
-    	MOVE MEMORY 24, dsa_temp_addr_saved_residual, dsa_temp_addr_residual
-
-at 0x00000039 : */	0xc0000018,0x00000000,0x00000000,
-/*
-        CLEAR ACK
-
-at 0x0000003c : */	0x60000040,0x00000000,
-/*
-	; Restore DSA, note we don't care about TEMP
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x0000003e : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-	JUMP jump_temp
-
-at 0x00000041 : */	0x80080000,0x000009c4,
-/*
-
-
-ABSOLUTE dsa_check_reselect = 0
-; dsa_check_reselect determines whether or not the current target and
-; lun match the current DSA
-ENTRY dsa_code_check_reselect
-dsa_code_check_reselect:
-
-	
-	
-	MOVE LCRC TO SFBR		; LCRC has our ID and his ID bits set
-
-at 0x00000043 : */	0x72230000,0x00000000,
-/*
-	JUMP REL (wrong_dsa), IF NOT dsa_temp_target, AND MASK 0x80
-
-at 0x00000045 : */	0x80848000,0x00ffff50,
-/*
-
-
-
-
-
-;
-; Hack - move to scratch first, since SFBR is not writeable
-; 	via the CPU and hence a MOVE MEMORY instruction.
-;
-	
-	MOVE MEMORY 1, reselected_identify, addr_scratch
-
-at 0x00000047 : */	0xc0000001,0x00000000,0x00000000,
-/*
-	
-
-	; BIG ENDIAN ON MVME16x
-	MOVE SCRATCH3 TO SFBR
-
-at 0x0000004a : */	0x72370000,0x00000000,
-/*
-
-
-
-; FIXME : we need to accommodate bit fielded and binary here for '7xx/'8xx chips
-; Are you sure about that?  richard@sleepie.demon.co.uk
-	JUMP REL (wrong_dsa), IF NOT dsa_temp_lun, AND MASK 0xf8
-
-at 0x0000004c : */	0x8084f800,0x00ffff34,
-/*
-;		Patch the MOVE MEMORY INSTRUCTION such that
-;		the source address is the address of this dsa's
-;		next pointer.
-	MOVE MEMORY 4, dsa_temp_addr_next, reselected_ok_patch + 4
-
-at 0x0000004e : */	0xc0000004,0x00000000,0x000007e8,
-/*
-	CALL reselected_ok
-
-at 0x00000051 : */	0x88080000,0x00000798,
-/*
-
-;	Restore DSA following memory moves in reselected_ok
-;	dsa_temp_sync doesn't really care about DSA, but it has an
-;	optional debug INT so a valid DSA is a good idea.
-	MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x00000053 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-	CALL dsa_temp_sync	
-
-at 0x00000056 : */	0x88080000,0x00000000,
-/*
-; Release ACK on the IDENTIFY message _after_ we've set the synchronous 
-; transfer parameters! 
-	CLEAR ACK
-
-at 0x00000058 : */	0x60000040,0x00000000,
-/*
-; Implicitly restore pointers on reselection, so a RETURN
-; will transfer control back to the right spot.
-    	CALL REL (dsa_code_restore_pointers)
-
-at 0x0000005a : */	0x88880000,0x00ffff68,
-/*
-    	RETURN
-
-at 0x0000005c : */	0x90080000,0x00000000,
-/*
-ENTRY dsa_zero
-dsa_zero:
-ENTRY dsa_code_template_end
-dsa_code_template_end:
-
-; Perform sanity check for dsa_fields_start == dsa_code_template_end - 
-; dsa_zero, puke.
-
-ABSOLUTE dsa_fields_start =  0	; Sanity marker
-				; 	pad 48 bytes (fix this RSN)
-ABSOLUTE dsa_next = 48		; len 4 Next DSA
- 				; del 4 Previous DSA address
-ABSOLUTE dsa_cmnd = 56		; len 4 Scsi_Cmnd * for this thread.
-ABSOLUTE dsa_select = 60	; len 4 Device ID, Period, Offset for 
-			 	;	table indirect select
-ABSOLUTE dsa_msgout = 64	; len 8 table indirect move parameter for 
-				;       select message
-ABSOLUTE dsa_cmdout = 72	; len 8 table indirect move parameter for 
-				;	command
-ABSOLUTE dsa_dataout = 80	; len 4 code pointer for dataout
-ABSOLUTE dsa_datain = 84	; len 4 code pointer for datain
-ABSOLUTE dsa_msgin = 88		; len 8 table indirect move for msgin
-ABSOLUTE dsa_status = 96 	; len 8 table indirect move for status byte
-ABSOLUTE dsa_msgout_other = 104	; len 8 table indirect for normal message out
-				; (Synchronous transfer negotiation, etc).
-ABSOLUTE dsa_end = 112
-
-ABSOLUTE schedule = 0 		; Array of JUMP dsa_begin or JUMP (next),
-				; terminated by a call to JUMP wait_reselect
-
-; Linked lists of DSA structures
-ABSOLUTE reconnect_dsa_head = 0	; Link list of DSAs which can reconnect
-ABSOLUTE addr_reconnect_dsa_head = 0 ; Address of variable containing
-				; address of reconnect_dsa_head
-
-; These select the source and destination of a MOVE MEMORY instruction
-ABSOLUTE dmode_memory_to_memory = 0x0
-ABSOLUTE dmode_memory_to_ncr = 0x0
-ABSOLUTE dmode_ncr_to_memory = 0x0
-
-ABSOLUTE addr_scratch = 0x0
-ABSOLUTE addr_temp = 0x0
-
-ABSOLUTE saved_dsa = 0x0
-ABSOLUTE emulfly = 0x0
-ABSOLUTE addr_dsa = 0x0
-
-
-
-; Interrupts - 
-; MSB indicates type
-; 0	handle error condition
-; 1 	handle message 
-; 2 	handle normal condition
-; 3	debugging interrupt
-; 4 	testing interrupt 
-; Next byte indicates specific error
-
-; XXX not yet implemented, I'm not sure if I want to - 
-; Next byte indicates the routine the error occurred in
-; The LSB indicates the specific place the error occurred
- 
-ABSOLUTE int_err_unexpected_phase = 0x00000000	; Unexpected phase encountered
-ABSOLUTE int_err_selected = 0x00010000		; SELECTED (nee RESELECTED)
-ABSOLUTE int_err_unexpected_reselect = 0x00020000 
-ABSOLUTE int_err_check_condition = 0x00030000	
-ABSOLUTE int_err_no_phase = 0x00040000
-ABSOLUTE int_msg_wdtr = 0x01000000		; WDTR message received
-ABSOLUTE int_msg_sdtr = 0x01010000		; SDTR received
-ABSOLUTE int_msg_1 = 0x01020000			; single byte special message
-						; received
-
-ABSOLUTE int_norm_select_complete = 0x02000000	; Select complete, reprogram
-						; registers.
-ABSOLUTE int_norm_reselect_complete = 0x02010000	; Nexus established
-ABSOLUTE int_norm_command_complete = 0x02020000 ; Command complete
-ABSOLUTE int_norm_disconnected = 0x02030000	; Disconnected 
-ABSOLUTE int_norm_aborted =0x02040000		; Aborted *dsa
-ABSOLUTE int_norm_reset = 0x02050000		; Generated BUS reset.
-ABSOLUTE int_norm_emulateintfly = 0x02060000	; 53C710 Emulated intfly
-ABSOLUTE int_debug_break = 0x03000000		; Break point
-
-ABSOLUTE int_debug_panic = 0x030b0000		; Panic driver
-
-
-ABSOLUTE int_test_1 = 0x04000000		; Test 1 complete
-ABSOLUTE int_test_2 = 0x04010000		; Test 2 complete
-ABSOLUTE int_test_3 = 0x04020000		; Test 3 complete
-
-
-; These should start with 0x05000000, with low bits incrementing for 
-; each one.
-
-
-						
-ABSOLUTE NCR53c7xx_msg_abort = 0	; Pointer to abort message
-ABSOLUTE NCR53c7xx_msg_reject = 0       ; Pointer to reject message
-ABSOLUTE NCR53c7xx_zero	= 0		; long with zero in it, use for source
-ABSOLUTE NCR53c7xx_sink = 0		; long to dump worthless data in
-ABSOLUTE NOP_insn = 0			; NOP instruction
-
-; Pointer to message, potentially multi-byte
-ABSOLUTE msg_buf = 0
-
-; Pointer to holding area for reselection information
-ABSOLUTE reselected_identify = 0
-ABSOLUTE reselected_tag = 0
-
-; Request sense command pointer, it's a 6 byte command, should
-; be constant for all commands since we always want 16 bytes of 
-; sense and we don't need to change any fields as we did under 
-; SCSI-I when we actually cared about the LUN field.
-;EXTERNAL NCR53c7xx_sense		; Request sense command
-
-
-; dsa_schedule  
-; PURPOSE : after a DISCONNECT message has been received, and pointers
-;	saved, insert the current DSA structure at the head of the 
-; 	disconnected queue and fall through to the scheduler.
-;
-; CALLS : OK
-;
-; INPUTS : dsa - current DSA structure, reconnect_dsa_head - list
-;	of disconnected commands
-;
-; MODIFIES : SCRATCH, reconnect_dsa_head
-; 
-; EXITS : always passes control to schedule
-
-ENTRY dsa_schedule
-dsa_schedule:
-
-
-
-
-;
-; Calculate the address of the next pointer within the DSA 
-; structure of the command that is currently disconnecting
-;
-
-    ; Read what should be the current DSA from memory - actual DSA
-    ; register is probably corrupt
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-
-at 0x0000005e : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-    MOVE SCRATCH0 + dsa_next TO SCRATCH0
-
-at 0x00000061 : */	0x7e343000,0x00000000,
-/*
-    MOVE SCRATCH1 + 0 TO SCRATCH1 WITH CARRY
-
-at 0x00000063 : */	0x7f350000,0x00000000,
-/*
-    MOVE SCRATCH2 + 0 TO SCRATCH2 WITH CARRY
-
-at 0x00000065 : */	0x7f360000,0x00000000,
-/*
-    MOVE SCRATCH3 + 0 TO SCRATCH3 WITH CARRY
-
-at 0x00000067 : */	0x7f370000,0x00000000,
-/*
-
-; Point the next field of this DSA structure at the current disconnected 
-; list
-    
-    MOVE MEMORY 4, addr_scratch, dsa_schedule_insert + 8
-
-at 0x00000069 : */	0xc0000004,0x00000000,0x000001b8,
-/*
-    
-dsa_schedule_insert:
-    MOVE MEMORY 4, reconnect_dsa_head, 0 
-
-at 0x0000006c : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-; And update the head pointer.
-
-    ; Read what should be the current DSA from memory - actual DSA
-    ; register is probably corrupt
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-
-at 0x0000006f : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-    
-    MOVE MEMORY 4, addr_scratch, reconnect_dsa_head
-
-at 0x00000072 : */	0xc0000004,0x00000000,0x00000000,
-/*
-    
-
-
-
-
-
-    CLEAR ACK
-
-at 0x00000075 : */	0x60000040,0x00000000,
-/*
-
-
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x00000077 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-    WAIT DISCONNECT
-
-at 0x0000007a : */	0x48000000,0x00000000,
-/*
-
-
-
-
-
-
-    JUMP schedule
-
-at 0x0000007c : */	0x80080000,0x00000000,
-/*
-
-
-;
-; select
-;
-; PURPOSE : establish a nexus for the SCSI command referenced by DSA.
-;	On success, the current DSA structure is removed from the issue 
-;	queue.  Usually, this is entered as a fall-through from schedule,
-;	although the contingent allegiance handling code will write
-;	the select entry address to the DSP to restart a command as a 
-;	REQUEST SENSE.  A message is sent (usually IDENTIFY, although
-;	additional SDTR or WDTR messages may be sent).  COMMAND OUT
-;	is handled.
-;
-; INPUTS : DSA - SCSI command, issue_dsa_head
-;
-; CALLS : NOT OK
-;
-; MODIFIES : SCRATCH, issue_dsa_head
-;
-; EXITS : on reselection or selection, go to select_failed
-;	otherwise, RETURN so control is passed back to 
-;	dsa_begin.
-;
-
-ENTRY select
-select:
-
-
-
-
-
-
-
-
-    CLEAR TARGET
-
-at 0x0000007e : */	0x60000200,0x00000000,
-/*
-
-; XXX
-;
-; In effect, SELECTION operations are backgrounded, with execution
-; continuing until code which waits for REQ or a fatal interrupt is 
-; encountered.
-;
-; So, for more performance, we could overlap the code which removes 
-; the command from the NCRs issue queue with the selection, but 
-; at this point I don't want to deal with the error recovery.
-;
-
-
-
-    ; Enable selection timer
-
-
-
-    MOVE CTEST7 & 0xef TO CTEST7
-
-at 0x00000080 : */	0x7c1bef00,0x00000000,
-/*
-
-
-    SELECT ATN FROM dsa_select, select_failed
-
-at 0x00000082 : */	0x4300003c,0x00000828,
-/*
-    JUMP select_msgout, WHEN MSG_OUT
-
-at 0x00000084 : */	0x860b0000,0x00000218,
-/*
-ENTRY select_msgout
-select_msgout:
-
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-
-at 0x00000086 : */	0x7a1b1000,0x00000000,
-/*
-
-    MOVE FROM dsa_msgout, WHEN MSG_OUT
-
-at 0x00000088 : */	0x1e000000,0x00000040,
-/*
-
-
-
-
-
-
-
-
-
-
-   RETURN
-
-at 0x0000008a : */	0x90080000,0x00000000,
-/*
-
-; 
-; select_done
-; 
-; PURPOSE: continue on to normal data transfer; called as the exit 
-;	point from dsa_begin.
-;
-; INPUTS: dsa
-;
-; CALLS: OK
-;
-;
-
-select_done:
-
-; NOTE DSA is corrupt when we arrive here!
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x0000008c : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-
-
-
-
-
-; After a successful selection, we should get either a CMD phase or 
-; some transfer request negotiation message.
-
-    JUMP cmdout, WHEN CMD
-
-at 0x0000008f : */	0x820b0000,0x0000025c,
-/*
-    INT int_err_unexpected_phase, WHEN NOT MSG_IN 
-
-at 0x00000091 : */	0x9f030000,0x00000000,
-/*
-
-select_msg_in:
-    CALL msg_in, WHEN MSG_IN
-
-at 0x00000093 : */	0x8f0b0000,0x0000041c,
-/*
-    JUMP select_msg_in, WHEN MSG_IN
-
-at 0x00000095 : */	0x870b0000,0x0000024c,
-/*
-
-cmdout:
-    INT int_err_unexpected_phase, WHEN NOT CMD
-
-at 0x00000097 : */	0x9a030000,0x00000000,
-/*
-
-
-
-ENTRY cmdout_cmdout
-cmdout_cmdout:
-
-    MOVE FROM dsa_cmdout, WHEN CMD
-
-at 0x00000099 : */	0x1a000000,0x00000048,
-/*
-
-
-
-
-;
-; data_transfer  
-; other_out
-; other_in
-; other_transfer
-;
-; PURPOSE : handle the main data transfer for a SCSI command in 
-;	several parts.  In the first part, data_transfer, DATA_IN
-;	and DATA_OUT phases are allowed, with the user provided
-;	code (usually dynamically generated based on the scatter/gather
-;	list associated with a SCSI command) called to handle these 
-;	phases.
-;
-;	After control has passed to one of the user provided 
-;	DATA_IN or DATA_OUT routines, back calls are made to 
-;	other_transfer_in or other_transfer_out to handle non-DATA IN
-;	and DATA OUT phases respectively, with the state of the active
-;	data pointer being preserved in TEMP.
-;
-;	On completion, the user code passes control to other_transfer
-;	which causes DATA_IN and DATA_OUT to result in unexpected_phase
-;	interrupts so that data overruns may be trapped.
-;
-; INPUTS : DSA - SCSI command
-;
-; CALLS : OK in data_transfer_start, not ok in other_out and other_in, ok in
-;	other_transfer
-;
-; MODIFIES : SCRATCH
-;
-; EXITS : if STATUS IN is detected, signifying command completion,
-;	the NCR jumps to command_complete.  If MSG IN occurs, a 
-;	CALL is made to msg_in.  Otherwise, other_transfer runs in 
-;	an infinite loop.
-;	
-
-ENTRY data_transfer
-data_transfer:
-    JUMP cmdout_cmdout, WHEN CMD
-
-at 0x0000009b : */	0x820b0000,0x00000264,
-/*
-    CALL msg_in, WHEN MSG_IN
-
-at 0x0000009d : */	0x8f0b0000,0x0000041c,
-/*
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-
-at 0x0000009f : */	0x9e0b0000,0x00000000,
-/*
-    JUMP do_dataout, WHEN DATA_OUT
-
-at 0x000000a1 : */	0x800b0000,0x000002a4,
-/*
-    JUMP do_datain, WHEN DATA_IN
-
-at 0x000000a3 : */	0x810b0000,0x000002fc,
-/*
-    JUMP command_complete, WHEN STATUS
-
-at 0x000000a5 : */	0x830b0000,0x0000065c,
-/*
-    JUMP data_transfer
-
-at 0x000000a7 : */	0x80080000,0x0000026c,
-/*
-ENTRY end_data_transfer
-end_data_transfer:
-
-;
-; FIXME: On NCR53c700 and NCR53c700-66 chips, do_dataout/do_datain 
-; should be fixed up whenever the nexus changes so it can point to the 
-; correct routine for that command.
-;
-
-
-; Nasty jump to dsa->dataout
-do_dataout:
-
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-
-at 0x000000a9 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-    MOVE SCRATCH0 + dsa_dataout TO SCRATCH0	
-
-at 0x000000ac : */	0x7e345000,0x00000000,
-/*
-    MOVE SCRATCH1 + 0 TO SCRATCH1 WITH CARRY 
-
-at 0x000000ae : */	0x7f350000,0x00000000,
-/*
-    MOVE SCRATCH2 + 0 TO SCRATCH2 WITH CARRY 
-
-at 0x000000b0 : */	0x7f360000,0x00000000,
-/*
-    MOVE SCRATCH3 + 0 TO SCRATCH3 WITH CARRY 
-
-at 0x000000b2 : */	0x7f370000,0x00000000,
-/*
-    
-    MOVE MEMORY 4, addr_scratch, dataout_to_jump + 4
-
-at 0x000000b4 : */	0xc0000004,0x00000000,0x000002e0,
-/*
-    
-dataout_to_jump:
-    MOVE MEMORY 4, 0, dataout_jump + 4 
-
-at 0x000000b7 : */	0xc0000004,0x00000000,0x000002f8,
-/*
-
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x000000ba : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-dataout_jump:
-    JUMP 0
-
-at 0x000000bd : */	0x80080000,0x00000000,
-/*
-
-; Nasty jump to dsa->dsain
-do_datain:
-
-    MOVE MEMORY 4, saved_dsa, addr_scratch
-
-at 0x000000bf : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-    MOVE SCRATCH0 + dsa_datain TO SCRATCH0	
-
-at 0x000000c2 : */	0x7e345400,0x00000000,
-/*
-    MOVE SCRATCH1 + 0 TO SCRATCH1 WITH CARRY 
-
-at 0x000000c4 : */	0x7f350000,0x00000000,
-/*
-    MOVE SCRATCH2 + 0 TO SCRATCH2 WITH CARRY 
-
-at 0x000000c6 : */	0x7f360000,0x00000000,
-/*
-    MOVE SCRATCH3 + 0 TO SCRATCH3 WITH CARRY 
-
-at 0x000000c8 : */	0x7f370000,0x00000000,
-/*
-    
-    MOVE MEMORY 4, addr_scratch, datain_to_jump + 4
-
-at 0x000000ca : */	0xc0000004,0x00000000,0x00000338,
-/*
-    
-ENTRY datain_to_jump
-datain_to_jump:
-    MOVE MEMORY 4, 0, datain_jump + 4
-
-at 0x000000cd : */	0xc0000004,0x00000000,0x00000350,
-/*
-
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x000000d0 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-
-datain_jump:
-    JUMP 0
-
-at 0x000000d3 : */	0x80080000,0x00000000,
-/*
-
-
-
-; Note that other_out and other_in loop until a non-data phase
-; is discovered, so we only execute return statements when we
-; can go on to the next data phase block move statement.
-
-ENTRY other_out
-other_out:
-
-
-
-    INT int_err_unexpected_phase, WHEN CMD
-
-at 0x000000d5 : */	0x9a0b0000,0x00000000,
-/*
-    JUMP msg_in_restart, WHEN MSG_IN 
-
-at 0x000000d7 : */	0x870b0000,0x000003fc,
-/*
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-
-at 0x000000d9 : */	0x9e0b0000,0x00000000,
-/*
-    INT int_err_unexpected_phase, WHEN DATA_IN
-
-at 0x000000db : */	0x990b0000,0x00000000,
-/*
-    JUMP command_complete, WHEN STATUS
-
-at 0x000000dd : */	0x830b0000,0x0000065c,
-/*
-    JUMP other_out, WHEN NOT DATA_OUT
-
-at 0x000000df : */	0x80030000,0x00000354,
-/*
-
-; TEMP should be OK, as we got here from a call in the user dataout code.
-
-    RETURN
-
-at 0x000000e1 : */	0x90080000,0x00000000,
-/*
-
-ENTRY other_in
-other_in:
-
-
-
-    INT int_err_unexpected_phase, WHEN CMD
-
-at 0x000000e3 : */	0x9a0b0000,0x00000000,
-/*
-    JUMP msg_in_restart, WHEN MSG_IN 
-
-at 0x000000e5 : */	0x870b0000,0x000003fc,
-/*
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-
-at 0x000000e7 : */	0x9e0b0000,0x00000000,
-/*
-    INT int_err_unexpected_phase, WHEN DATA_OUT
-
-at 0x000000e9 : */	0x980b0000,0x00000000,
-/*
-    JUMP command_complete, WHEN STATUS
-
-at 0x000000eb : */	0x830b0000,0x0000065c,
-/*
-    JUMP other_in, WHEN NOT DATA_IN
-
-at 0x000000ed : */	0x81030000,0x0000038c,
-/*
-
-; TEMP should be OK, as we got here from a call in the user datain code.
-
-    RETURN
-
-at 0x000000ef : */	0x90080000,0x00000000,
-/*
-
-
-ENTRY other_transfer
-other_transfer:
-    INT int_err_unexpected_phase, WHEN CMD
-
-at 0x000000f1 : */	0x9a0b0000,0x00000000,
-/*
-    CALL msg_in, WHEN MSG_IN
-
-at 0x000000f3 : */	0x8f0b0000,0x0000041c,
-/*
-    INT int_err_unexpected_phase, WHEN MSG_OUT
-
-at 0x000000f5 : */	0x9e0b0000,0x00000000,
-/*
-    INT int_err_unexpected_phase, WHEN DATA_OUT
-
-at 0x000000f7 : */	0x980b0000,0x00000000,
-/*
-    INT int_err_unexpected_phase, WHEN DATA_IN
-
-at 0x000000f9 : */	0x990b0000,0x00000000,
-/*
-    JUMP command_complete, WHEN STATUS
-
-at 0x000000fb : */	0x830b0000,0x0000065c,
-/*
-    JUMP other_transfer
-
-at 0x000000fd : */	0x80080000,0x000003c4,
-/*
-
-;
-; msg_in_restart
-; msg_in
-; munge_msg
-;
-; PURPOSE : process messages from a target.  msg_in is called when the 
-;	caller hasn't read the first byte of the message.  munge_message
-;	is called when the caller has read the first byte of the message,
-;	and left it in SFBR.  msg_in_restart is called when the caller 
-;	hasn't read the first byte of the message, and wishes RETURN
-;	to transfer control back to the address of the conditional
-;	CALL instruction rather than to the instruction after it.
-;
-;	Various int_* interrupts are generated when the host system
-;	needs to intervene, as is the case with SDTR, WDTR, and
-;	INITIATE RECOVERY messages.
-;
-;	When the host system handles one of these interrupts,
-;	it can respond by reentering at reject_message, 
-;	which rejects the message and returns control to
-;	the caller of msg_in or munge_msg, accept_message
-;	which clears ACK and returns control, or reply_message
-;	which sends the message pointed to by the DSA 
-;	msgout_other table indirect field.
-;
-;	DISCONNECT messages are handled by moving the command
-;	to the reconnect_dsa_queue.
-
-; NOTE: DSA should be valid when we get here - we cannot save both it
-;	and TEMP in this routine.
-
-;
-; INPUTS : DSA - SCSI COMMAND, SFBR - first byte of message (munge_msg
-;	only)
-;
-; CALLS : NO.  The TEMP register isn't backed up to allow nested calls.
-;
-; MODIFIES : SCRATCH, DSA on DISCONNECT
-;
-; EXITS : On receipt of SAVE DATA POINTER, RESTORE POINTERS,
-;	and normal return from message handlers running under
-;	Linux, control is returned to the caller.  Receipt
-;	of DISCONNECT messages pass control to dsa_schedule.
-;
-ENTRY msg_in_restart
-msg_in_restart:
-; XXX - hackish
-;
-; Since it's easier to debug changes to the statically 
-; compiled code, rather than the dynamically generated 
-; stuff, such as
-;
-; 	MOVE x, y, WHEN data_phase
-; 	CALL other_z, WHEN NOT data_phase
-; 	MOVE x, y, WHEN data_phase
-;
-; I'd like to have certain routines (notably the message handler)
-; restart on the conditional call rather than the next instruction.
-;
-; So, subtract 8 from the return address
-
-    MOVE TEMP0 + 0xf8 TO TEMP0
-
-at 0x000000ff : */	0x7e1cf800,0x00000000,
-/*
-    MOVE TEMP1 + 0xff TO TEMP1 WITH CARRY
-
-at 0x00000101 : */	0x7f1dff00,0x00000000,
-/*
-    MOVE TEMP2 + 0xff TO TEMP2 WITH CARRY
-
-at 0x00000103 : */	0x7f1eff00,0x00000000,
-/*
-    MOVE TEMP3 + 0xff TO TEMP3 WITH CARRY
-
-at 0x00000105 : */	0x7f1fff00,0x00000000,
-/*
-
-ENTRY msg_in
-msg_in:
-    MOVE 1, msg_buf, WHEN MSG_IN
-
-at 0x00000107 : */	0x0f000001,0x00000000,
-/*
-
-munge_msg:
-    JUMP munge_extended, IF 0x01		; EXTENDED MESSAGE
-
-at 0x00000109 : */	0x800c0001,0x00000574,
-/*
-    JUMP munge_2, IF 0x20, AND MASK 0xdf	; two byte message
-
-at 0x0000010b : */	0x800cdf20,0x00000464,
-/*
-;
-; XXX - I've seen a handful of broken SCSI devices which fail to issue
-; 	a SAVE POINTERS message before disconnecting in the middle of 
-; 	a transfer, assuming that the DATA POINTER will be implicitly 
-; 	restored.  
-;
-; Historically, I've often done an implicit save when the DISCONNECT
-; message is processed.  We may want to consider having the option of 
-; doing that here. 
-;
-    JUMP munge_save_data_pointer, IF 0x02	; SAVE DATA POINTER
-
-at 0x0000010d : */	0x800c0002,0x0000046c,
-/*
-    JUMP munge_restore_pointers, IF 0x03	; RESTORE POINTERS 
-
-at 0x0000010f : */	0x800c0003,0x00000518,
-/*
-    JUMP munge_disconnect, IF 0x04		; DISCONNECT
-
-at 0x00000111 : */	0x800c0004,0x0000056c,
-/*
-    INT int_msg_1, IF 0x07			; MESSAGE REJECT
-
-at 0x00000113 : */	0x980c0007,0x01020000,
-/*
-    INT int_msg_1, IF 0x0f			; INITIATE RECOVERY
-
-at 0x00000115 : */	0x980c000f,0x01020000,
-/*
-
-
-
-    JUMP reject_message
-
-at 0x00000117 : */	0x80080000,0x00000604,
-/*
-
-munge_2:
-    JUMP reject_message
-
-at 0x00000119 : */	0x80080000,0x00000604,
-/*
-;
-; The SCSI standard allows targets to recover from transient 
-; error conditions by backing up the data pointer with a 
-; RESTORE POINTERS message.  
-;	
-; So, we must save and restore the _residual_ code as well as 
-; the current instruction pointer.  Because of this messiness,
-; it is simpler to put dynamic code in the dsa for this and to
-; just do a simple jump down there. 
-;
-
-munge_save_data_pointer:
-
-    ; We have something in TEMP here, so first we must save that
-    MOVE TEMP0 TO SFBR
-
-at 0x0000011b : */	0x721c0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH0
-
-at 0x0000011d : */	0x6a340000,0x00000000,
-/*
-    MOVE TEMP1 TO SFBR
-
-at 0x0000011f : */	0x721d0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH1
-
-at 0x00000121 : */	0x6a350000,0x00000000,
-/*
-    MOVE TEMP2 TO SFBR
-
-at 0x00000123 : */	0x721e0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH2
-
-at 0x00000125 : */	0x6a360000,0x00000000,
-/*
-    MOVE TEMP3 TO SFBR
-
-at 0x00000127 : */	0x721f0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH3
-
-at 0x00000129 : */	0x6a370000,0x00000000,
-/*
-    MOVE MEMORY 4, addr_scratch, jump_temp + 4
-
-at 0x0000012b : */	0xc0000004,0x00000000,0x000009c8,
-/*
-    ; Now restore DSA
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x0000012e : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-    MOVE DSA0 + dsa_save_data_pointer TO SFBR
-
-at 0x00000131 : */	0x76100000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH0
-
-at 0x00000133 : */	0x6a340000,0x00000000,
-/*
-    MOVE DSA1 + 0xff TO SFBR WITH CARRY
-
-at 0x00000135 : */	0x7711ff00,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH1
-
-at 0x00000137 : */	0x6a350000,0x00000000,
-/*
-    MOVE DSA2 + 0xff TO SFBR WITH CARRY 
-
-at 0x00000139 : */	0x7712ff00,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH2
-
-at 0x0000013b : */	0x6a360000,0x00000000,
-/*
-    MOVE DSA3 + 0xff TO SFBR WITH CARRY
-
-at 0x0000013d : */	0x7713ff00,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH3
-
-at 0x0000013f : */	0x6a370000,0x00000000,
-/*
-
-    
-    MOVE MEMORY 4, addr_scratch, jump_dsa_save + 4
-
-at 0x00000141 : */	0xc0000004,0x00000000,0x00000514,
-/*
-    
-jump_dsa_save:
-    JUMP 0
-
-at 0x00000144 : */	0x80080000,0x00000000,
-/*
-
-munge_restore_pointers:
-
-    ; The code at dsa_restore_pointers will RETURN, but we don't care
-    ; about TEMP here, as it will overwrite it anyway.
-
-    MOVE DSA0 + dsa_restore_pointers TO SFBR
-
-at 0x00000146 : */	0x76100000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH0
-
-at 0x00000148 : */	0x6a340000,0x00000000,
-/*
-    MOVE DSA1 + 0xff TO SFBR WITH CARRY
-
-at 0x0000014a : */	0x7711ff00,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH1
-
-at 0x0000014c : */	0x6a350000,0x00000000,
-/*
-    MOVE DSA2 + 0xff TO SFBR WITH CARRY
-
-at 0x0000014e : */	0x7712ff00,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH2
-
-at 0x00000150 : */	0x6a360000,0x00000000,
-/*
-    MOVE DSA3 + 0xff TO SFBR WITH CARRY
-
-at 0x00000152 : */	0x7713ff00,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH3
-
-at 0x00000154 : */	0x6a370000,0x00000000,
-/*
-
-    
-    MOVE MEMORY 4, addr_scratch, jump_dsa_restore + 4
-
-at 0x00000156 : */	0xc0000004,0x00000000,0x00000568,
-/*
-    
-jump_dsa_restore:
-    JUMP 0
-
-at 0x00000159 : */	0x80080000,0x00000000,
-/*
-
-
-munge_disconnect:
-
-
-
-
-
-
-
-
-
- 
-
-
-
-
-
-
-
-
-
-
-    JUMP dsa_schedule
-
-at 0x0000015b : */	0x80080000,0x00000178,
-/*
-
-
-
-
-
-munge_extended:
-    CLEAR ACK
-
-at 0x0000015d : */	0x60000040,0x00000000,
-/*
-    INT int_err_unexpected_phase, WHEN NOT MSG_IN
-
-at 0x0000015f : */	0x9f030000,0x00000000,
-/*
-    MOVE 1, msg_buf + 1, WHEN MSG_IN
-
-at 0x00000161 : */	0x0f000001,0x00000001,
-/*
-    JUMP munge_extended_2, IF 0x02
-
-at 0x00000163 : */	0x800c0002,0x000005a4,
-/*
-    JUMP munge_extended_3, IF 0x03 
-
-at 0x00000165 : */	0x800c0003,0x000005d4,
-/*
-    JUMP reject_message
-
-at 0x00000167 : */	0x80080000,0x00000604,
-/*
-
-munge_extended_2:
-    CLEAR ACK
-
-at 0x00000169 : */	0x60000040,0x00000000,
-/*
-    MOVE 1, msg_buf + 2, WHEN MSG_IN
-
-at 0x0000016b : */	0x0f000001,0x00000002,
-/*
-    JUMP reject_message, IF NOT 0x02	; Must be WDTR
-
-at 0x0000016d : */	0x80040002,0x00000604,
-/*
-    CLEAR ACK
-
-at 0x0000016f : */	0x60000040,0x00000000,
-/*
-    MOVE 1, msg_buf + 3, WHEN MSG_IN
-
-at 0x00000171 : */	0x0f000001,0x00000003,
-/*
-    INT int_msg_wdtr
-
-at 0x00000173 : */	0x98080000,0x01000000,
-/*
-
-munge_extended_3:
-    CLEAR ACK
-
-at 0x00000175 : */	0x60000040,0x00000000,
-/*
-    MOVE 1, msg_buf + 2, WHEN MSG_IN
-
-at 0x00000177 : */	0x0f000001,0x00000002,
-/*
-    JUMP reject_message, IF NOT 0x01	; Must be SDTR
-
-at 0x00000179 : */	0x80040001,0x00000604,
-/*
-    CLEAR ACK
-
-at 0x0000017b : */	0x60000040,0x00000000,
-/*
-    MOVE 2, msg_buf + 3, WHEN MSG_IN
-
-at 0x0000017d : */	0x0f000002,0x00000003,
-/*
-    INT int_msg_sdtr
-
-at 0x0000017f : */	0x98080000,0x01010000,
-/*
-
-ENTRY reject_message
-reject_message:
-    SET ATN
-
-at 0x00000181 : */	0x58000008,0x00000000,
-/*
-    CLEAR ACK
-
-at 0x00000183 : */	0x60000040,0x00000000,
-/*
-    MOVE 1, NCR53c7xx_msg_reject, WHEN MSG_OUT
-
-at 0x00000185 : */	0x0e000001,0x00000000,
-/*
-    RETURN
-
-at 0x00000187 : */	0x90080000,0x00000000,
-/*
-
-ENTRY accept_message
-accept_message:
-    CLEAR ATN
-
-at 0x00000189 : */	0x60000008,0x00000000,
-/*
-    CLEAR ACK
-
-at 0x0000018b : */	0x60000040,0x00000000,
-/*
-    RETURN
-
-at 0x0000018d : */	0x90080000,0x00000000,
-/*
-
-ENTRY respond_message
-respond_message:
-    SET ATN
-
-at 0x0000018f : */	0x58000008,0x00000000,
-/*
-    CLEAR ACK
-
-at 0x00000191 : */	0x60000040,0x00000000,
-/*
-    MOVE FROM dsa_msgout_other, WHEN MSG_OUT
-
-at 0x00000193 : */	0x1e000000,0x00000068,
-/*
-    RETURN
-
-at 0x00000195 : */	0x90080000,0x00000000,
-/*
-
-;
-; command_complete
-;
-; PURPOSE : handle command termination when STATUS IN is detected by reading
-;	a status byte followed by a command termination message. 
-;
-;	Normal termination results in an INTFLY instruction, and 
-;	the host system can pick out which command terminated by 
-;	examining the MESSAGE and STATUS buffers of all currently 
-;	executing commands;
-;
-;	Abnormal (CHECK_CONDITION) termination results in an
-;	int_err_check_condition interrupt so that a REQUEST SENSE
-;	command can be issued out-of-order so that no other command
-;	clears the contingent allegiance condition.
-;	
-;
-; INPUTS : DSA - command	
-;
-; CALLS : OK
-;
-; EXITS : On successful termination, control is passed to schedule.
-;	On abnormal termination, the user will usually modify the 
-;	DSA fields and corresponding buffers and return control
-;	to select.
-;
-
-ENTRY command_complete
-command_complete:
-    MOVE FROM dsa_status, WHEN STATUS
-
-at 0x00000197 : */	0x1b000000,0x00000060,
-/*
-
-    MOVE SFBR TO SCRATCH0		; Save status
-
-at 0x00000199 : */	0x6a340000,0x00000000,
-/*
-
-ENTRY command_complete_msgin
-command_complete_msgin:
-    MOVE FROM dsa_msgin, WHEN MSG_IN
-
-at 0x0000019b : */	0x1f000000,0x00000058,
-/*
-; Indicate that we should be expecting a disconnect
-
-
-
-    ; Above code cleared the Unexpected Disconnect bit, what do we do?
-
-    CLEAR ACK
-
-at 0x0000019d : */	0x60000040,0x00000000,
-/*
-
-    WAIT DISCONNECT
-
-at 0x0000019f : */	0x48000000,0x00000000,
-/*
-
-;
-; The SCSI specification states that when a UNIT ATTENTION condition
-; is pending, as indicated by a CHECK CONDITION status message,
-; the target shall revert to asynchronous transfers.  Since
-; synchronous transfers parameters are maintained on a per INITIATOR/TARGET 
-; basis, and returning control to our scheduler could work on a command
-; running on another lun on that target using the old parameters, we must
-; interrupt the host processor to get them changed, or change them ourselves.
-;
-; Once SCSI-II tagged queueing is implemented, things will be even more
-; hairy, since contingent allegiance conditions exist on a per-target/lun
-; basis, and issuing a new command with a different tag would clear it.
-; In these cases, we must interrupt the host processor to get a request 
-; added to the HEAD of the queue with the request sense command, or we
-; must automatically issue the request sense command.
-
-
-
-
-
-
-
-    INT int_norm_emulateintfly
-
-at 0x000001a1 : */	0x98080000,0x02060000,
-/*
-
-
-
-
-
-
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x000001a3 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-
-
-    JUMP schedule
-
-at 0x000001a6 : */	0x80080000,0x00000000,
-/*
-command_failed:
-    INT int_err_check_condition
-
-at 0x000001a8 : */	0x98080000,0x00030000,
-/*
-
-
-
-
-;
-; wait_reselect
-;
-; PURPOSE : This is essentially the idle routine, where control lands
-;	when there are no new processes to schedule.  wait_reselect
-;	waits for reselection, selection, and new commands.
-;
-;	When a successful reselection occurs, with the aid 
-;	of fixed up code in each DSA, wait_reselect walks the 
-;	reconnect_dsa_queue, asking each dsa if the target ID
-;	and LUN match its.
-;
-;	If a match is found, a call is made back to reselected_ok,
-;	which through the miracles of self modifying code, extracts
-;	the found DSA from the reconnect_dsa_queue and then 
-;	returns control to the DSAs thread of execution.
-;
-; INPUTS : NONE
-;
-; CALLS : OK
-;
-; MODIFIES : DSA,
-;
-; EXITS : On successful reselection, control is returned to the 
-;	DSA which called reselected_ok.  If the WAIT RESELECT
-;	was interrupted by a new commands arrival signaled by 
-;	SIG_P, control is passed to schedule.  If the NCR is 
-;	selected, the host system is interrupted with an 
-;	int_err_selected which is usually responded to by
-;	setting DSP to the target_abort address.
-
-ENTRY wait_reselect
-wait_reselect:
-
-
-
-
-
-
-    WAIT RESELECT wait_reselect_failed
-
-at 0x000001aa : */	0x50000000,0x00000800,
-/*
-
-reselected:
-
-
-
-    CLEAR TARGET
-
-at 0x000001ac : */	0x60000200,0x00000000,
-/*
-    
-    ; Read all data needed to reestablish the nexus - 
-    MOVE 1, reselected_identify, WHEN MSG_IN
-
-at 0x000001ae : */	0x0f000001,0x00000000,
-/*
-    ; We used to CLEAR ACK here.
-
-
-
-
-
-    ; Point DSA at the current head of the disconnected queue.
-    
-    MOVE MEMORY 4, reconnect_dsa_head, addr_scratch
-
-at 0x000001b0 : */	0xc0000004,0x00000000,0x00000000,
-/*
-    
-
-    MOVE MEMORY 4, addr_scratch, saved_dsa
-
-at 0x000001b3 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-
-
-    ; Fix the update-next pointer so that the reconnect_dsa_head
-    ; pointer is the one that will be updated if this DSA is a hit 
-    ; and we remove it from the queue.
-
-    MOVE MEMORY 4, addr_reconnect_dsa_head, reselected_ok_patch + 8
-
-at 0x000001b6 : */	0xc0000004,0x00000000,0x000007ec,
-/*
-
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x000001b9 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-
-ENTRY reselected_check_next
-reselected_check_next:
-
-
-
-    ; Check for a NULL pointer.
-    MOVE DSA0 TO SFBR
-
-at 0x000001bc : */	0x72100000,0x00000000,
-/*
-    JUMP reselected_not_end, IF NOT 0
-
-at 0x000001be : */	0x80040000,0x00000738,
-/*
-    MOVE DSA1 TO SFBR
-
-at 0x000001c0 : */	0x72110000,0x00000000,
-/*
-    JUMP reselected_not_end, IF NOT 0
-
-at 0x000001c2 : */	0x80040000,0x00000738,
-/*
-    MOVE DSA2 TO SFBR
-
-at 0x000001c4 : */	0x72120000,0x00000000,
-/*
-    JUMP reselected_not_end, IF NOT 0
-
-at 0x000001c6 : */	0x80040000,0x00000738,
-/*
-    MOVE DSA3 TO SFBR
-
-at 0x000001c8 : */	0x72130000,0x00000000,
-/*
-    JUMP reselected_not_end, IF NOT 0
-
-at 0x000001ca : */	0x80040000,0x00000738,
-/*
-    INT int_err_unexpected_reselect
-
-at 0x000001cc : */	0x98080000,0x00020000,
-/*
-
-reselected_not_end:
-    ;
-    ; XXX the ALU is only eight bits wide, and the assembler
-    ; wont do the dirt work for us.  As long as dsa_check_reselect
-    ; is negative, we need to sign extend with 1 bits to the full
-    ; 32 bit width of the address.
-    ;
-    ; A potential work around would be to have a known alignment 
-    ; of the DSA structure such that the base address plus 
-    ; dsa_check_reselect doesn't require carrying from bytes 
-    ; higher than the LSB.
-    ;
-
-    MOVE DSA0 TO SFBR
-
-at 0x000001ce : */	0x72100000,0x00000000,
-/*
-    MOVE SFBR + dsa_check_reselect TO SCRATCH0
-
-at 0x000001d0 : */	0x6e340000,0x00000000,
-/*
-    MOVE DSA1 TO SFBR
-
-at 0x000001d2 : */	0x72110000,0x00000000,
-/*
-    MOVE SFBR + 0xff TO SCRATCH1 WITH CARRY
-
-at 0x000001d4 : */	0x6f35ff00,0x00000000,
-/*
-    MOVE DSA2 TO SFBR
-
-at 0x000001d6 : */	0x72120000,0x00000000,
-/*
-    MOVE SFBR + 0xff TO SCRATCH2 WITH CARRY
-
-at 0x000001d8 : */	0x6f36ff00,0x00000000,
-/*
-    MOVE DSA3 TO SFBR
-
-at 0x000001da : */	0x72130000,0x00000000,
-/*
-    MOVE SFBR + 0xff TO SCRATCH3 WITH CARRY
-
-at 0x000001dc : */	0x6f37ff00,0x00000000,
-/*
-
-    
-    MOVE MEMORY 4, addr_scratch, reselected_check + 4
-
-at 0x000001de : */	0xc0000004,0x00000000,0x00000794,
-/*
-    
-
-    ; Time to correct DSA following memory move
-    MOVE MEMORY 4, saved_dsa, addr_dsa
-
-at 0x000001e1 : */	0xc0000004,0x00000000,0x00000000,
-/*
-
-reselected_check:
-    JUMP 0
-
-at 0x000001e4 : */	0x80080000,0x00000000,
-/*
-
-
-;
-;
-
-; We have problems here - the memory move corrupts TEMP and DSA.  This
-; routine is called from DSA code, and patched from many places.  Scratch
-; is probably free when it is called.
-; We have to:
-;   copy temp to scratch, one byte at a time
-;   write scratch to patch a jump in place of the return
-;   do the move memory
-;   jump to the patched in return address
-; DSA is corrupt when we get here, and can be left corrupt
-
-ENTRY reselected_ok
-reselected_ok:
-    MOVE TEMP0 TO SFBR
-
-at 0x000001e6 : */	0x721c0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH0
-
-at 0x000001e8 : */	0x6a340000,0x00000000,
-/*
-    MOVE TEMP1 TO SFBR
-
-at 0x000001ea : */	0x721d0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH1
-
-at 0x000001ec : */	0x6a350000,0x00000000,
-/*
-    MOVE TEMP2 TO SFBR
-
-at 0x000001ee : */	0x721e0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH2
-
-at 0x000001f0 : */	0x6a360000,0x00000000,
-/*
-    MOVE TEMP3 TO SFBR
-
-at 0x000001f2 : */	0x721f0000,0x00000000,
-/*
-    MOVE SFBR TO SCRATCH3
-
-at 0x000001f4 : */	0x6a370000,0x00000000,
-/*
-    MOVE MEMORY 4, addr_scratch, reselected_ok_jump + 4
-
-at 0x000001f6 : */	0xc0000004,0x00000000,0x000007f4,
-/*
-reselected_ok_patch:
-    MOVE MEMORY 4, 0, 0
-
-at 0x000001f9 : */	0xc0000004,0x00000000,0x00000000,
-/*
-reselected_ok_jump:
-    JUMP 0
-
-at 0x000001fc : */	0x80080000,0x00000000,
-/*
-
-
-
-
-
-selected:
-    INT int_err_selected;
-
-at 0x000001fe : */	0x98080000,0x00010000,
-/*
-
-;
-; A select or reselect failure can be caused by one of two conditions : 
-; 1.  SIG_P was set.  This will be the case if the user has written
-;	a new value to a previously NULL head of the issue queue.
-;
-; 2.  The NCR53c810 was selected or reselected by another device.
-;
-; 3.  The bus was already busy since we were selected or reselected
-;	before starting the command.
-
-wait_reselect_failed:
-
-
-
-; Check selected bit.  
-
-    ; Must work out how to tell if we are selected....
-
-
-
-
-; Reading CTEST2 clears the SIG_P bit in the ISTAT register.
-    MOVE CTEST2 & 0x40 TO SFBR	
-
-at 0x00000200 : */	0x74164000,0x00000000,
-/*
-    JUMP schedule, IF 0x40
-
-at 0x00000202 : */	0x800c0040,0x00000000,
-/*
-; Check connected bit.  
-; FIXME: this needs to change if we support target mode
-    MOVE ISTAT & 0x08 TO SFBR
-
-at 0x00000204 : */	0x74210800,0x00000000,
-/*
-    JUMP reselected, IF 0x08
-
-at 0x00000206 : */	0x800c0008,0x000006b0,
-/*
-; FIXME : Something bogus happened, and we shouldn't fail silently.
-
-
-
-    INT int_debug_panic
-
-at 0x00000208 : */	0x98080000,0x030b0000,
-/*
-
-
-
-select_failed:
-
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-
-at 0x0000020a : */	0x7a1b1000,0x00000000,
-/*
-
-
-
-
-; Otherwise, mask the selected and reselected bits off SIST0
-
-    ; Let's assume we don't get selected for now
-    MOVE SSTAT0 & 0x10 TO SFBR
-
-at 0x0000020c : */	0x740d1000,0x00000000,
-/*
-
-
-
-
-    JUMP reselected, IF 0x10 
-
-at 0x0000020e : */	0x800c0010,0x000006b0,
-/*
-; If SIGP is set, the user just gave us another command, and
-; we should restart or return to the scheduler.
-; Reading CTEST2 clears the SIG_P bit in the ISTAT register.
-    MOVE CTEST2 & 0x40 TO SFBR	
-
-at 0x00000210 : */	0x74164000,0x00000000,
-/*
-    JUMP select, IF 0x40
-
-at 0x00000212 : */	0x800c0040,0x000001f8,
-/*
-; Check connected bit.  
-; FIXME: this needs to change if we support target mode
-; FIXME: is this really necessary? 
-    MOVE ISTAT & 0x08 TO SFBR
-
-at 0x00000214 : */	0x74210800,0x00000000,
-/*
-    JUMP reselected, IF 0x08
-
-at 0x00000216 : */	0x800c0008,0x000006b0,
-/*
-; FIXME : Something bogus happened, and we shouldn't fail silently.
-
-
-
-    INT int_debug_panic
-
-at 0x00000218 : */	0x98080000,0x030b0000,
-/*
-
-
-;
-; test_1
-; test_2
-;
-; PURPOSE : run some verification tests on the NCR.  test_1
-;	copies test_src to test_dest and interrupts the host
-;	processor, testing for cache coherency and interrupt
-; 	problems in the processes.
-;
-;	test_2 runs a command with offsets relative to the 
-;	DSA on entry, and is useful for miscellaneous experimentation.
-;
-
-; Verify that interrupts are working correctly and that we don't 
-; have a cache invalidation problem.
-
-ABSOLUTE test_src = 0, test_dest = 0
-ENTRY test_1
-test_1:
-    MOVE MEMORY 4, test_src, test_dest
-
-at 0x0000021a : */	0xc0000004,0x00000000,0x00000000,
-/*
-    INT int_test_1
-
-at 0x0000021d : */	0x98080000,0x04000000,
-/*
-
-;
-; Run arbitrary commands, with test code establishing a DSA
-;
- 
-ENTRY test_2
-test_2:
-    CLEAR TARGET
-
-at 0x0000021f : */	0x60000200,0x00000000,
-/*
-
-    ; Enable selection timer
-
-
-
-    MOVE CTEST7 & 0xef TO CTEST7
-
-at 0x00000221 : */	0x7c1bef00,0x00000000,
-/*
-
-
-    SELECT ATN FROM 0, test_2_fail
-
-at 0x00000223 : */	0x43000000,0x000008dc,
-/*
-    JUMP test_2_msgout, WHEN MSG_OUT
-
-at 0x00000225 : */	0x860b0000,0x0000089c,
-/*
-ENTRY test_2_msgout
-test_2_msgout:
-
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-
-at 0x00000227 : */	0x7a1b1000,0x00000000,
-/*
-
-    MOVE FROM 8, WHEN MSG_OUT
-
-at 0x00000229 : */	0x1e000000,0x00000008,
-/*
-    MOVE FROM 16, WHEN CMD 
-
-at 0x0000022b : */	0x1a000000,0x00000010,
-/*
-    MOVE FROM 24, WHEN DATA_IN
-
-at 0x0000022d : */	0x19000000,0x00000018,
-/*
-    MOVE FROM 32, WHEN STATUS
-
-at 0x0000022f : */	0x1b000000,0x00000020,
-/*
-    MOVE FROM 40, WHEN MSG_IN
-
-at 0x00000231 : */	0x1f000000,0x00000028,
-/*
-
-
-
-    CLEAR ACK
-
-at 0x00000233 : */	0x60000040,0x00000000,
-/*
-    WAIT DISCONNECT
-
-at 0x00000235 : */	0x48000000,0x00000000,
-/*
-test_2_fail:
-
-    ; Disable selection timer
-    MOVE CTEST7 | 0x10 TO CTEST7
-
-at 0x00000237 : */	0x7a1b1000,0x00000000,
-/*
-
-    INT int_test_2
-
-at 0x00000239 : */	0x98080000,0x04010000,
-/*
-
-ENTRY debug_break
-debug_break:
-    INT int_debug_break
-
-at 0x0000023b : */	0x98080000,0x03000000,
-/*
-
-;
-; initiator_abort
-; target_abort
-;
-; PURPOSE : Abort the currently established nexus from with initiator
-;	or target mode.
-;
-;  
-
-ENTRY target_abort
-target_abort:
-    SET TARGET
-
-at 0x0000023d : */	0x58000200,0x00000000,
-/*
-    DISCONNECT
-
-at 0x0000023f : */	0x48000000,0x00000000,
-/*
-    CLEAR TARGET
-
-at 0x00000241 : */	0x60000200,0x00000000,
-/*
-    JUMP schedule
-
-at 0x00000243 : */	0x80080000,0x00000000,
-/*
-    
-ENTRY initiator_abort
-initiator_abort:
-    SET ATN
-
-at 0x00000245 : */	0x58000008,0x00000000,
-/*
-;
-; The SCSI-I specification says that targets may go into MSG out at 
-; their leisure upon receipt of the ATN single.  On all versions of the 
-; specification, we can't change phases until REQ transitions true->false, 
-; so we need to sink/source one byte of data to allow the transition.
-;
-; For the sake of safety, we'll only source one byte of data in all 
-; cases, but to accommodate the SCSI-I dain bramage, we'll sink an  
-; arbitrary number of bytes.
-    JUMP spew_cmd, WHEN CMD
-
-at 0x00000247 : */	0x820b0000,0x0000094c,
-/*
-    JUMP eat_msgin, WHEN MSG_IN
-
-at 0x00000249 : */	0x870b0000,0x0000095c,
-/*
-    JUMP eat_datain, WHEN DATA_IN
-
-at 0x0000024b : */	0x810b0000,0x0000098c,
-/*
-    JUMP eat_status, WHEN STATUS
-
-at 0x0000024d : */	0x830b0000,0x00000974,
-/*
-    JUMP spew_dataout, WHEN DATA_OUT
-
-at 0x0000024f : */	0x800b0000,0x000009a4,
-/*
-    JUMP sated
-
-at 0x00000251 : */	0x80080000,0x000009ac,
-/*
-spew_cmd:
-    MOVE 1, NCR53c7xx_zero, WHEN CMD
-
-at 0x00000253 : */	0x0a000001,0x00000000,
-/*
-    JUMP sated
-
-at 0x00000255 : */	0x80080000,0x000009ac,
-/*
-eat_msgin:
-    MOVE 1, NCR53c7xx_sink, WHEN MSG_IN
-
-at 0x00000257 : */	0x0f000001,0x00000000,
-/*
-    JUMP eat_msgin, WHEN MSG_IN
-
-at 0x00000259 : */	0x870b0000,0x0000095c,
-/*
-    JUMP sated
-
-at 0x0000025b : */	0x80080000,0x000009ac,
-/*
-eat_status:
-    MOVE 1, NCR53c7xx_sink, WHEN STATUS
-
-at 0x0000025d : */	0x0b000001,0x00000000,
-/*
-    JUMP eat_status, WHEN STATUS
-
-at 0x0000025f : */	0x830b0000,0x00000974,
-/*
-    JUMP sated
-
-at 0x00000261 : */	0x80080000,0x000009ac,
-/*
-eat_datain:
-    MOVE 1, NCR53c7xx_sink, WHEN DATA_IN
-
-at 0x00000263 : */	0x09000001,0x00000000,
-/*
-    JUMP eat_datain, WHEN DATA_IN
-
-at 0x00000265 : */	0x810b0000,0x0000098c,
-/*
-    JUMP sated
-
-at 0x00000267 : */	0x80080000,0x000009ac,
-/*
-spew_dataout:
-    MOVE 1, NCR53c7xx_zero, WHEN DATA_OUT
-
-at 0x00000269 : */	0x08000001,0x00000000,
-/*
-sated:
-
-
-
-    MOVE 1, NCR53c7xx_msg_abort, WHEN MSG_OUT
-
-at 0x0000026b : */	0x0e000001,0x00000000,
-/*
-    WAIT DISCONNECT
-
-at 0x0000026d : */	0x48000000,0x00000000,
-/*
-    INT int_norm_aborted
-
-at 0x0000026f : */	0x98080000,0x02040000,
-/*
-
-
- 
-
-; Little patched jump, used to overcome problems with TEMP getting
-; corrupted on memory moves.
-
-jump_temp:
-    JUMP 0
-
-at 0x00000271 : */	0x80080000,0x00000000,
-};
-
-#define A_NCR53c7xx_msg_abort	0x00000000
-static u32 A_NCR53c7xx_msg_abort_used[] __attribute((unused)) = {
-	0x0000026c,
-};
-
-#define A_NCR53c7xx_msg_reject	0x00000000
-static u32 A_NCR53c7xx_msg_reject_used[] __attribute((unused)) = {
-	0x00000186,
-};
-
-#define A_NCR53c7xx_sink	0x00000000
-static u32 A_NCR53c7xx_sink_used[] __attribute((unused)) = {
-	0x00000258,
-	0x0000025e,
-	0x00000264,
-};
-
-#define A_NCR53c7xx_zero	0x00000000
-static u32 A_NCR53c7xx_zero_used[] __attribute((unused)) = {
-	0x00000254,
-	0x0000026a,
-};
-
-#define A_NOP_insn	0x00000000
-static u32 A_NOP_insn_used[] __attribute((unused)) = {
-	0x00000017,
-};
-
-#define A_addr_dsa	0x00000000
-static u32 A_addr_dsa_used[] __attribute((unused)) = {
-	0x0000000f,
-	0x00000026,
-	0x00000033,
-	0x00000040,
-	0x00000055,
-	0x00000079,
-	0x0000008e,
-	0x000000bc,
-	0x000000d2,
-	0x00000130,
-	0x000001a5,
-	0x000001bb,
-	0x000001e3,
-};
-
-#define A_addr_reconnect_dsa_head	0x00000000
-static u32 A_addr_reconnect_dsa_head_used[] __attribute((unused)) = {
-	0x000001b7,
-};
-
-#define A_addr_scratch	0x00000000
-static u32 A_addr_scratch_used[] __attribute((unused)) = {
-	0x00000002,
-	0x00000004,
-	0x00000008,
-	0x00000020,
-	0x00000022,
-	0x00000049,
-	0x00000060,
-	0x0000006a,
-	0x00000071,
-	0x00000073,
-	0x000000ab,
-	0x000000b5,
-	0x000000c1,
-	0x000000cb,
-	0x0000012c,
-	0x00000142,
-	0x00000157,
-	0x000001b2,
-	0x000001b4,
-	0x000001df,
-	0x000001f7,
-};
-
-#define A_addr_temp	0x00000000
-static u32 A_addr_temp_used[] __attribute((unused)) = {
-};
-
-#define A_dmode_memory_to_memory	0x00000000
-static u32 A_dmode_memory_to_memory_used[] __attribute((unused)) = {
-};
-
-#define A_dmode_memory_to_ncr	0x00000000
-static u32 A_dmode_memory_to_ncr_used[] __attribute((unused)) = {
-};
-
-#define A_dmode_ncr_to_memory	0x00000000
-static u32 A_dmode_ncr_to_memory_used[] __attribute((unused)) = {
-};
-
-#define A_dsa_check_reselect	0x00000000
-static u32 A_dsa_check_reselect_used[] __attribute((unused)) = {
-	0x000001d0,
-};
-
-#define A_dsa_cmdout	0x00000048
-static u32 A_dsa_cmdout_used[] __attribute((unused)) = {
-	0x0000009a,
-};
-
-#define A_dsa_cmnd	0x00000038
-static u32 A_dsa_cmnd_used[] __attribute((unused)) = {
-};
-
-#define A_dsa_datain	0x00000054
-static u32 A_dsa_datain_used[] __attribute((unused)) = {
-	0x000000c2,
-};
-
-#define A_dsa_dataout	0x00000050
-static u32 A_dsa_dataout_used[] __attribute((unused)) = {
-	0x000000ac,
-};
-
-#define A_dsa_end	0x00000070
-static u32 A_dsa_end_used[] __attribute((unused)) = {
-};
-
-#define A_dsa_fields_start	0x00000000
-static u32 A_dsa_fields_start_used[] __attribute((unused)) = {
-};
-
-#define A_dsa_msgin	0x00000058
-static u32 A_dsa_msgin_used[] __attribute((unused)) = {
-	0x0000019c,
-};
-
-#define A_dsa_msgout	0x00000040
-static u32 A_dsa_msgout_used[] __attribute((unused)) = {
-	0x00000089,
-};
-
-#define A_dsa_msgout_other	0x00000068
-static u32 A_dsa_msgout_other_used[] __attribute((unused)) = {
-	0x00000194,
-};
-
-#define A_dsa_next	0x00000030
-static u32 A_dsa_next_used[] __attribute((unused)) = {
-	0x00000061,
-};
-
-#define A_dsa_restore_pointers	0x00000000
-static u32 A_dsa_restore_pointers_used[] __attribute((unused)) = {
-	0x00000146,
-};
-
-#define A_dsa_save_data_pointer	0x00000000
-static u32 A_dsa_save_data_pointer_used[] __attribute((unused)) = {
-	0x00000131,
-};
-
-#define A_dsa_select	0x0000003c
-static u32 A_dsa_select_used[] __attribute((unused)) = {
-	0x00000082,
-};
-
-#define A_dsa_sscf_710	0x00000000
-static u32 A_dsa_sscf_710_used[] __attribute((unused)) = {
-	0x00000007,
-};
-
-#define A_dsa_status	0x00000060
-static u32 A_dsa_status_used[] __attribute((unused)) = {
-	0x00000198,
-};
-
-#define A_dsa_temp_addr_array_value	0x00000000
-static u32 A_dsa_temp_addr_array_value_used[] __attribute((unused)) = {
-};
-
-#define A_dsa_temp_addr_dsa_value	0x00000000
-static u32 A_dsa_temp_addr_dsa_value_used[] __attribute((unused)) = {
-	0x00000001,
-};
-
-#define A_dsa_temp_addr_new_value	0x00000000
-static u32 A_dsa_temp_addr_new_value_used[] __attribute((unused)) = {
-};
-
-#define A_dsa_temp_addr_next	0x00000000
-static u32 A_dsa_temp_addr_next_used[] __attribute((unused)) = {
-	0x0000001c,
-	0x0000004f,
-};
-
-#define A_dsa_temp_addr_residual	0x00000000
-static u32 A_dsa_temp_addr_residual_used[] __attribute((unused)) = {
-	0x0000002d,
-	0x0000003b,
-};
-
-#define A_dsa_temp_addr_saved_pointer	0x00000000
-static u32 A_dsa_temp_addr_saved_pointer_used[] __attribute((unused)) = {
-	0x0000002b,
-	0x00000037,
-};
-
-#define A_dsa_temp_addr_saved_residual	0x00000000
-static u32 A_dsa_temp_addr_saved_residual_used[] __attribute((unused)) = {
-	0x0000002e,
-	0x0000003a,
-};
-
-#define A_dsa_temp_lun	0x00000000
-static u32 A_dsa_temp_lun_used[] __attribute((unused)) = {
-	0x0000004c,
-};
-
-#define A_dsa_temp_next	0x00000000
-static u32 A_dsa_temp_next_used[] __attribute((unused)) = {
-	0x0000001f,
-};
-
-#define A_dsa_temp_sync	0x00000000
-static u32 A_dsa_temp_sync_used[] __attribute((unused)) = {
-	0x00000057,
-};
-
-#define A_dsa_temp_target	0x00000000
-static u32 A_dsa_temp_target_used[] __attribute((unused)) = {
-	0x00000045,
-};
-
-#define A_emulfly	0x00000000
-static u32 A_emulfly_used[] __attribute((unused)) = {
-};
-
-#define A_int_debug_break	0x03000000
-static u32 A_int_debug_break_used[] __attribute((unused)) = {
-	0x0000023c,
-};
-
-#define A_int_debug_panic	0x030b0000
-static u32 A_int_debug_panic_used[] __attribute((unused)) = {
-	0x00000209,
-	0x00000219,
-};
-
-#define A_int_err_check_condition	0x00030000
-static u32 A_int_err_check_condition_used[] __attribute((unused)) = {
-	0x000001a9,
-};
-
-#define A_int_err_no_phase	0x00040000
-static u32 A_int_err_no_phase_used[] __attribute((unused)) = {
-};
-
-#define A_int_err_selected	0x00010000
-static u32 A_int_err_selected_used[] __attribute((unused)) = {
-	0x000001ff,
-};
-
-#define A_int_err_unexpected_phase	0x00000000
-static u32 A_int_err_unexpected_phase_used[] __attribute((unused)) = {
-	0x00000092,
-	0x00000098,
-	0x000000a0,
-	0x000000d6,
-	0x000000da,
-	0x000000dc,
-	0x000000e4,
-	0x000000e8,
-	0x000000ea,
-	0x000000f2,
-	0x000000f6,
-	0x000000f8,
-	0x000000fa,
-	0x00000160,
-};
-
-#define A_int_err_unexpected_reselect	0x00020000
-static u32 A_int_err_unexpected_reselect_used[] __attribute((unused)) = {
-	0x000001cd,
-};
-
-#define A_int_msg_1	0x01020000
-static u32 A_int_msg_1_used[] __attribute((unused)) = {
-	0x00000114,
-	0x00000116,
-};
-
-#define A_int_msg_sdtr	0x01010000
-static u32 A_int_msg_sdtr_used[] __attribute((unused)) = {
-	0x00000180,
-};
-
-#define A_int_msg_wdtr	0x01000000
-static u32 A_int_msg_wdtr_used[] __attribute((unused)) = {
-	0x00000174,
-};
-
-#define A_int_norm_aborted	0x02040000
-static u32 A_int_norm_aborted_used[] __attribute((unused)) = {
-	0x00000270,
-};
-
-#define A_int_norm_command_complete	0x02020000
-static u32 A_int_norm_command_complete_used[] __attribute((unused)) = {
-};
-
-#define A_int_norm_disconnected	0x02030000
-static u32 A_int_norm_disconnected_used[] __attribute((unused)) = {
-};
-
-#define A_int_norm_emulateintfly	0x02060000
-static u32 A_int_norm_emulateintfly_used[] __attribute((unused)) = {
-	0x000001a2,
-};
-
-#define A_int_norm_reselect_complete	0x02010000
-static u32 A_int_norm_reselect_complete_used[] __attribute((unused)) = {
-};
-
-#define A_int_norm_reset	0x02050000
-static u32 A_int_norm_reset_used[] __attribute((unused)) = {
-};
-
-#define A_int_norm_select_complete	0x02000000
-static u32 A_int_norm_select_complete_used[] __attribute((unused)) = {
-};
-
-#define A_int_test_1	0x04000000
-static u32 A_int_test_1_used[] __attribute((unused)) = {
-	0x0000021e,
-};
-
-#define A_int_test_2	0x04010000
-static u32 A_int_test_2_used[] __attribute((unused)) = {
-	0x0000023a,
-};
-
-#define A_int_test_3	0x04020000
-static u32 A_int_test_3_used[] __attribute((unused)) = {
-};
-
-#define A_msg_buf	0x00000000
-static u32 A_msg_buf_used[] __attribute((unused)) = {
-	0x00000108,
-	0x00000162,
-	0x0000016c,
-	0x00000172,
-	0x00000178,
-	0x0000017e,
-};
-
-#define A_reconnect_dsa_head	0x00000000
-static u32 A_reconnect_dsa_head_used[] __attribute((unused)) = {
-	0x0000006d,
-	0x00000074,
-	0x000001b1,
-};
-
-#define A_reselected_identify	0x00000000
-static u32 A_reselected_identify_used[] __attribute((unused)) = {
-	0x00000048,
-	0x000001af,
-};
-
-#define A_reselected_tag	0x00000000
-static u32 A_reselected_tag_used[] __attribute((unused)) = {
-};
-
-#define A_saved_dsa	0x00000000
-static u32 A_saved_dsa_used[] __attribute((unused)) = {
-	0x00000005,
-	0x0000000e,
-	0x00000023,
-	0x00000025,
-	0x00000032,
-	0x0000003f,
-	0x00000054,
-	0x0000005f,
-	0x00000070,
-	0x00000078,
-	0x0000008d,
-	0x000000aa,
-	0x000000bb,
-	0x000000c0,
-	0x000000d1,
-	0x0000012f,
-	0x000001a4,
-	0x000001b5,
-	0x000001ba,
-	0x000001e2,
-};
-
-#define A_schedule	0x00000000
-static u32 A_schedule_used[] __attribute((unused)) = {
-	0x0000007d,
-	0x000001a7,
-	0x00000203,
-	0x00000244,
-};
-
-#define A_test_dest	0x00000000
-static u32 A_test_dest_used[] __attribute((unused)) = {
-	0x0000021c,
-};
-
-#define A_test_src	0x00000000
-static u32 A_test_src_used[] __attribute((unused)) = {
-	0x0000021b,
-};
-
-#define Ent_accept_message	0x00000624
-#define Ent_cmdout_cmdout	0x00000264
-#define Ent_command_complete	0x0000065c
-#define Ent_command_complete_msgin	0x0000066c
-#define Ent_data_transfer	0x0000026c
-#define Ent_datain_to_jump	0x00000334
-#define Ent_debug_break	0x000008ec
-#define Ent_dsa_code_begin	0x00000000
-#define Ent_dsa_code_check_reselect	0x0000010c
-#define Ent_dsa_code_fix_jump	0x00000058
-#define Ent_dsa_code_restore_pointers	0x000000d8
-#define Ent_dsa_code_save_data_pointer	0x000000a4
-#define Ent_dsa_code_template	0x00000000
-#define Ent_dsa_code_template_end	0x00000178
-#define Ent_dsa_schedule	0x00000178
-#define Ent_dsa_zero	0x00000178
-#define Ent_end_data_transfer	0x000002a4
-#define Ent_initiator_abort	0x00000914
-#define Ent_msg_in	0x0000041c
-#define Ent_msg_in_restart	0x000003fc
-#define Ent_other_in	0x0000038c
-#define Ent_other_out	0x00000354
-#define Ent_other_transfer	0x000003c4
-#define Ent_reject_message	0x00000604
-#define Ent_reselected_check_next	0x000006f0
-#define Ent_reselected_ok	0x00000798
-#define Ent_respond_message	0x0000063c
-#define Ent_select	0x000001f8
-#define Ent_select_msgout	0x00000218
-#define Ent_target_abort	0x000008f4
-#define Ent_test_1	0x00000868
-#define Ent_test_2	0x0000087c
-#define Ent_test_2_msgout	0x0000089c
-#define Ent_wait_reselect	0x000006a8
-static u32 LABELPATCHES[] __attribute((unused)) = {
-	0x00000011,
-	0x0000001a,
-	0x0000001d,
-	0x00000028,
-	0x0000002a,
-	0x00000035,
-	0x00000038,
-	0x00000042,
-	0x00000050,
-	0x00000052,
-	0x0000006b,
-	0x00000083,
-	0x00000085,
-	0x00000090,
-	0x00000094,
-	0x00000096,
-	0x0000009c,
-	0x0000009e,
-	0x000000a2,
-	0x000000a4,
-	0x000000a6,
-	0x000000a8,
-	0x000000b6,
-	0x000000b9,
-	0x000000cc,
-	0x000000cf,
-	0x000000d8,
-	0x000000de,
-	0x000000e0,
-	0x000000e6,
-	0x000000ec,
-	0x000000ee,
-	0x000000f4,
-	0x000000fc,
-	0x000000fe,
-	0x0000010a,
-	0x0000010c,
-	0x0000010e,
-	0x00000110,
-	0x00000112,
-	0x00000118,
-	0x0000011a,
-	0x0000012d,
-	0x00000143,
-	0x00000158,
-	0x0000015c,
-	0x00000164,
-	0x00000166,
-	0x00000168,
-	0x0000016e,
-	0x0000017a,
-	0x000001ab,
-	0x000001b8,
-	0x000001bf,
-	0x000001c3,
-	0x000001c7,
-	0x000001cb,
-	0x000001e0,
-	0x000001f8,
-	0x00000207,
-	0x0000020f,
-	0x00000213,
-	0x00000217,
-	0x00000224,
-	0x00000226,
-	0x00000248,
-	0x0000024a,
-	0x0000024c,
-	0x0000024e,
-	0x00000250,
-	0x00000252,
-	0x00000256,
-	0x0000025a,
-	0x0000025c,
-	0x00000260,
-	0x00000262,
-	0x00000266,
-	0x00000268,
-};
-
-static struct {
-	u32	offset;
-	void		*address;
-} EXTERNAL_PATCHES[] __attribute((unused)) = {
-};
-
-static u32 INSTRUCTIONS __attribute((unused))	= 290;
-static u32 PATCHES __attribute((unused))	= 78;
-static u32 EXTERNAL_PATCHES_LEN __attribute((unused))	= 0;

drivers/scsi/53c7xx_u.h_shipped

@@ -1,102 +0,0 @@
-#undef A_NCR53c7xx_msg_abort
-#undef A_NCR53c7xx_msg_reject
-#undef A_NCR53c7xx_sink
-#undef A_NCR53c7xx_zero
-#undef A_NOP_insn
-#undef A_addr_dsa
-#undef A_addr_reconnect_dsa_head
-#undef A_addr_scratch
-#undef A_addr_temp
-#undef A_dmode_memory_to_memory
-#undef A_dmode_memory_to_ncr
-#undef A_dmode_ncr_to_memory
-#undef A_dsa_check_reselect
-#undef A_dsa_cmdout
-#undef A_dsa_cmnd
-#undef A_dsa_datain
-#undef A_dsa_dataout
-#undef A_dsa_end
-#undef A_dsa_fields_start
-#undef A_dsa_msgin
-#undef A_dsa_msgout
-#undef A_dsa_msgout_other
-#undef A_dsa_next
-#undef A_dsa_restore_pointers
-#undef A_dsa_save_data_pointer
-#undef A_dsa_select
-#undef A_dsa_sscf_710
-#undef A_dsa_status
-#undef A_dsa_temp_addr_array_value
-#undef A_dsa_temp_addr_dsa_value
-#undef A_dsa_temp_addr_new_value
-#undef A_dsa_temp_addr_next
-#undef A_dsa_temp_addr_residual
-#undef A_dsa_temp_addr_saved_pointer
-#undef A_dsa_temp_addr_saved_residual
-#undef A_dsa_temp_lun
-#undef A_dsa_temp_next
-#undef A_dsa_temp_sync
-#undef A_dsa_temp_target
-#undef A_emulfly
-#undef A_int_debug_break
-#undef A_int_debug_panic
-#undef A_int_err_check_condition
-#undef A_int_err_no_phase
-#undef A_int_err_selected
-#undef A_int_err_unexpected_phase
-#undef A_int_err_unexpected_reselect
-#undef A_int_msg_1
-#undef A_int_msg_sdtr
-#undef A_int_msg_wdtr
-#undef A_int_norm_aborted
-#undef A_int_norm_command_complete
-#undef A_int_norm_disconnected
-#undef A_int_norm_emulateintfly
-#undef A_int_norm_reselect_complete
-#undef A_int_norm_reset
-#undef A_int_norm_select_complete
-#undef A_int_test_1
-#undef A_int_test_2
-#undef A_int_test_3
-#undef A_msg_buf
-#undef A_reconnect_dsa_head
-#undef A_reselected_identify
-#undef A_reselected_tag
-#undef A_saved_dsa
-#undef A_schedule
-#undef A_test_dest
-#undef A_test_src
-#undef Ent_accept_message
-#undef Ent_cmdout_cmdout
-#undef Ent_command_complete
-#undef Ent_command_complete_msgin
-#undef Ent_data_transfer
-#undef Ent_datain_to_jump
-#undef Ent_debug_break
-#undef Ent_dsa_code_begin
-#undef Ent_dsa_code_check_reselect
-#undef Ent_dsa_code_fix_jump
-#undef Ent_dsa_code_restore_pointers
-#undef Ent_dsa_code_save_data_pointer
-#undef Ent_dsa_code_template
-#undef Ent_dsa_code_template_end
-#undef Ent_dsa_schedule
-#undef Ent_dsa_zero
-#undef Ent_end_data_transfer
-#undef Ent_initiator_abort
-#undef Ent_msg_in
-#undef Ent_msg_in_restart
-#undef Ent_other_in
-#undef Ent_other_out
-#undef Ent_other_transfer
-#undef Ent_reject_message
-#undef Ent_reselected_check_next
-#undef Ent_reselected_ok
-#undef Ent_respond_message
-#undef Ent_select
-#undef Ent_select_msgout
-#undef Ent_target_abort
-#undef Ent_test_1
-#undef Ent_test_2
-#undef Ent_test_2_msgout
-#undef Ent_wait_reselect

drivers/scsi/BusLogic.c

@@ -304,18 +304,10 @@ static struct BusLogic_CCB *BusLogic_AllocateCCB(struct BusLogic_HostAdapter
 static void BusLogic_DeallocateCCB(struct BusLogic_CCB *CCB)
 {
 	struct BusLogic_HostAdapter *HostAdapter = CCB->HostAdapter;
-	struct scsi_cmnd *cmd = CCB->Command;
 
-	if (cmd->use_sg != 0) {
-		pci_unmap_sg(HostAdapter->PCI_Device,
-				(struct scatterlist *)cmd->request_buffer,
-				cmd->use_sg, cmd->sc_data_direction);
-	} else if (cmd->request_bufflen != 0) {
-		pci_unmap_single(HostAdapter->PCI_Device, CCB->DataPointer,
-				CCB->DataLength, cmd->sc_data_direction);
-	}
+	scsi_dma_unmap(CCB->Command);
 	pci_unmap_single(HostAdapter->PCI_Device, CCB->SenseDataPointer,
-			CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
+			 CCB->SenseDataLength, PCI_DMA_FROMDEVICE);
 
 	CCB->Command = NULL;
 	CCB->Status = BusLogic_CCB_Free;
@@ -2648,7 +2640,8 @@ static void BusLogic_ProcessCompletedCCBs(struct BusLogic_HostAdapter *HostAdapt
 			 */
 			if (CCB->CDB[0] == INQUIRY && CCB->CDB[1] == 0 && CCB->HostAdapterStatus == BusLogic_CommandCompletedNormally) {
 				struct BusLogic_TargetFlags *TargetFlags = &HostAdapter->TargetFlags[CCB->TargetID];
-				struct SCSI_Inquiry *InquiryResult = (struct SCSI_Inquiry *) Command->request_buffer;
+				struct SCSI_Inquiry *InquiryResult =
+					(struct SCSI_Inquiry *) scsi_sglist(Command);
 				TargetFlags->TargetExists = true;
 				TargetFlags->TaggedQueuingSupported = InquiryResult->CmdQue;
 				TargetFlags->WideTransfersSupported = InquiryResult->WBus16;
@@ -2819,9 +2812,8 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou
 	int CDB_Length = Command->cmd_len;
 	int TargetID = Command->device->id;
 	int LogicalUnit = Command->device->lun;
-	void *BufferPointer = Command->request_buffer;
-	int BufferLength = Command->request_bufflen;
-	int SegmentCount = Command->use_sg;
+	int BufferLength = scsi_bufflen(Command);
+	int Count;
 	struct BusLogic_CCB *CCB;
 	/*
 	   SCSI REQUEST_SENSE commands will be executed automatically by the Host
@@ -2851,36 +2843,35 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou
 			return 0;
 		}
 	}
+
 	/*
 	   Initialize the fields in the BusLogic Command Control Block (CCB).
 	 */
-	if (SegmentCount == 0 && BufferLength != 0) {
-		CCB->Opcode = BusLogic_InitiatorCCB;
-		CCB->DataLength = BufferLength;
-		CCB->DataPointer = pci_map_single(HostAdapter->PCI_Device,
-				BufferPointer, BufferLength,
-				Command->sc_data_direction);
-	} else if (SegmentCount != 0) {
-		struct scatterlist *ScatterList = (struct scatterlist *) BufferPointer;
-		int Segment, Count;
-
-		Count = pci_map_sg(HostAdapter->PCI_Device, ScatterList, SegmentCount,
-				Command->sc_data_direction);
+	Count = scsi_dma_map(Command);
+	BUG_ON(Count < 0);
+	if (Count) {
+		struct scatterlist *sg;
+		int i;
+
 		CCB->Opcode = BusLogic_InitiatorCCB_ScatterGather;
 		CCB->DataLength = Count * sizeof(struct BusLogic_ScatterGatherSegment);
 		if (BusLogic_MultiMasterHostAdapterP(HostAdapter))
 			CCB->DataPointer = (unsigned int) CCB->DMA_Handle + ((unsigned long) &CCB->ScatterGatherList - (unsigned long) CCB);
 		else
 			CCB->DataPointer = Virtual_to_32Bit_Virtual(CCB->ScatterGatherList);
-		for (Segment = 0; Segment < Count; Segment++) {
-			CCB->ScatterGatherList[Segment].SegmentByteCount = sg_dma_len(ScatterList + Segment);
-			CCB->ScatterGatherList[Segment].SegmentDataPointer = sg_dma_address(ScatterList + Segment);
+
+		scsi_for_each_sg(Command, sg, Count, i) {
+			CCB->ScatterGatherList[i].SegmentByteCount =
+				sg_dma_len(sg);
+			CCB->ScatterGatherList[i].SegmentDataPointer =
+				sg_dma_address(sg);
 		}
-	} else {
+	} else if (!Count) {
 		CCB->Opcode = BusLogic_InitiatorCCB;
 		CCB->DataLength = BufferLength;
 		CCB->DataPointer = 0;
 	}
+
 	switch (CDB[0]) {
 	case READ_6:
 	case READ_10:

drivers/scsi/Kconfig

@@ -10,6 +10,7 @@ config RAID_ATTRS
 config SCSI
 	tristate "SCSI device support"
 	depends on BLOCK
+	select SCSI_DMA if HAS_DMA
 	---help---
 	  If you want to use a SCSI hard disk, SCSI tape drive, SCSI CD-ROM or
 	  any other SCSI device under Linux, say Y and make sure that you know
@@ -29,6 +30,10 @@ config SCSI
 	  However, do not compile this as a module if your root file system
 	  (the one containing the directory /) is located on a SCSI device.
 
+config SCSI_DMA
+	bool
+	default n
+
 config SCSI_TGT
 	tristate "SCSI target support"
 	depends on SCSI && EXPERIMENTAL
@@ -739,7 +744,7 @@ config SCSI_GENERIC_NCR53C400
 
 config SCSI_IBMMCA
 	tristate "IBMMCA SCSI support"
-	depends on MCA_LEGACY && SCSI
+	depends on MCA && SCSI
 	---help---
 	  This is support for the IBM SCSI adapter found in many of the PS/2
 	  series computers.  These machines have an MCA bus, so you need to
@@ -1007,6 +1012,11 @@ config SCSI_STEX
 	  To compile this driver as a module, choose M here: the
 	  module will be called stex.
 
+config 53C700_BE_BUS
+	bool
+	depends on SCSI_A4000T || SCSI_ZORRO7XX || MVME16x_SCSI || BVME6000_SCSI
+	default y
+
 config SCSI_SYM53C8XX_2
 	tristate "SYM53C8XX Version 2 SCSI support"
 	depends on PCI && SCSI
@@ -1611,13 +1621,25 @@ config FASTLANE_SCSI
 	  If you have the Phase5 Fastlane Z3 SCSI controller, or plan to use
 	  one in the near future, say Y to this question. Otherwise, say N.
 
-config SCSI_AMIGA7XX
-	bool "Amiga NCR53c710 SCSI support (EXPERIMENTAL)"
-	depends on AMIGA && SCSI && EXPERIMENTAL && BROKEN
+config SCSI_A4000T
+	tristate "A4000T NCR53c710 SCSI support (EXPERIMENTAL)"
+	depends on AMIGA && SCSI && EXPERIMENTAL
+	select SCSI_SPI_ATTRS
 	help
-	  Support for various NCR53c710-based SCSI controllers on the Amiga.
+	  If you have an Amiga 4000T and have SCSI devices connected to the
+	  built-in SCSI controller, say Y. Otherwise, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called a4000t.
+
+config SCSI_ZORRO7XX
+	tristate "Zorro NCR53c710 SCSI support (EXPERIMENTAL)"
+	depends on ZORRO && SCSI && EXPERIMENTAL
+	select SCSI_SPI_ATTRS
+	help
+	  Support for various NCR53c710-based SCSI controllers on Zorro
+	  expansion boards for the Amiga.
 	  This includes:
-	    - the builtin SCSI controller on the Amiga 4000T,
 	    - the Amiga 4091 Zorro III SCSI-2 controller,
 	    - the MacroSystem Development's WarpEngine Amiga SCSI-2 controller
 	      (info at
@@ -1625,10 +1647,6 @@ config SCSI_AMIGA7XX
 	    - the SCSI controller on the Phase5 Blizzard PowerUP 603e+
 	      accelerator card for the Amiga 1200,
 	    - the SCSI controller on the GVP Turbo 040/060 accelerator.
-	  Note that all of the above SCSI controllers, except for the builtin
-	  SCSI controller on the Amiga 4000T, reside on the Zorro expansion
-	  bus, so you also have to enable Zorro bus support if you want to use
-	  them.
 
 config OKTAGON_SCSI
 	tristate "BSC Oktagon SCSI support (EXPERIMENTAL)"
@@ -1712,8 +1730,8 @@ config MVME147_SCSI
 	  single-board computer.
 
 config MVME16x_SCSI
-	bool "NCR53C710 SCSI driver for MVME16x"
-	depends on MVME16x && SCSI && BROKEN
+	tristate "NCR53C710 SCSI driver for MVME16x"
+	depends on MVME16x && SCSI
 	select SCSI_SPI_ATTRS
 	help
 	  The Motorola MVME162, 166, 167, 172 and 177 boards use the NCR53C710
@@ -1721,22 +1739,14 @@ config MVME16x_SCSI
 	  will want to say Y to this question.
 
 config BVME6000_SCSI
-	bool "NCR53C710 SCSI driver for BVME6000"
-	depends on BVME6000 && SCSI && BROKEN
+	tristate "NCR53C710 SCSI driver for BVME6000"
+	depends on BVME6000 && SCSI
 	select SCSI_SPI_ATTRS
 	help
 	  The BVME4000 and BVME6000 boards from BVM Ltd use the NCR53C710
 	  SCSI controller chip.  Almost everyone using one of these boards
 	  will want to say Y to this question.
 
-config SCSI_NCR53C7xx_FAST
-	bool "allow FAST-SCSI [10MHz]"
-	depends on SCSI_AMIGA7XX || MVME16x_SCSI || BVME6000_SCSI
-	help
-	  This will enable 10MHz FAST-SCSI transfers with your host
-	  adapter. Some systems have problems with that speed, so it's safest
-	  to say N here.
-
 config SUN3_SCSI
 	tristate "Sun3 NCR5380 SCSI"
 	depends on SUN3 && SCSI
@@ -1766,8 +1776,6 @@ config SCSI_SUNESP
 	  To compile this driver as a module, choose M here: the
 	  module will be called esp.
 
-#      bool 'Cyberstorm Mk III SCSI support (EXPERIMENTAL)' CONFIG_CYBERSTORMIII_SCSI
-
 config ZFCP
 	tristate "FCP host bus adapter driver for IBM eServer zSeries"
 	depends on S390 && QDIO && SCSI

drivers/scsi/Makefile

@@ -37,7 +37,8 @@ obj-$(CONFIG_SCSI_SAS_LIBSAS)	+= libsas/
 
 obj-$(CONFIG_ISCSI_TCP) 	+= libiscsi.o	iscsi_tcp.o
 obj-$(CONFIG_INFINIBAND_ISER) 	+= libiscsi.o
-obj-$(CONFIG_SCSI_AMIGA7XX)	+= amiga7xx.o	53c7xx.o
+obj-$(CONFIG_SCSI_A4000T)	+= 53c700.o	a4000t.o
+obj-$(CONFIG_SCSI_ZORRO7XX)	+= 53c700.o	zorro7xx.o
 obj-$(CONFIG_A3000_SCSI)	+= a3000.o	wd33c93.o
 obj-$(CONFIG_A2091_SCSI)	+= a2091.o	wd33c93.o
 obj-$(CONFIG_GVP11_SCSI)	+= gvp11.o	wd33c93.o
@@ -53,8 +54,8 @@ obj-$(CONFIG_ATARI_SCSI)	+= atari_scsi.o
 obj-$(CONFIG_MAC_SCSI)		+= mac_scsi.o
 obj-$(CONFIG_SCSI_MAC_ESP)	+= mac_esp.o	NCR53C9x.o
 obj-$(CONFIG_SUN3_SCSI)		+= sun3_scsi.o  sun3_scsi_vme.o
-obj-$(CONFIG_MVME16x_SCSI)	+= mvme16x.o	53c7xx.o
-obj-$(CONFIG_BVME6000_SCSI)	+= bvme6000.o	53c7xx.o
+obj-$(CONFIG_MVME16x_SCSI)	+= 53c700.o	mvme16x_scsi.o
+obj-$(CONFIG_BVME6000_SCSI)	+= 53c700.o	bvme6000_scsi.o
 obj-$(CONFIG_SCSI_SIM710)	+= 53c700.o	sim710.o
 obj-$(CONFIG_SCSI_ADVANSYS)	+= advansys.o
 obj-$(CONFIG_SCSI_PSI240I)	+= psi240i.o
@@ -89,7 +90,6 @@ obj-$(CONFIG_SCSI_QLA_ISCSI)	+= qla4xxx/
 obj-$(CONFIG_SCSI_LPFC)		+= lpfc/
 obj-$(CONFIG_SCSI_PAS16)	+= pas16.o
 obj-$(CONFIG_SCSI_SEAGATE)	+= seagate.o
-obj-$(CONFIG_SCSI_FD_8xx)	+= seagate.o
 obj-$(CONFIG_SCSI_T128)		+= t128.o
 obj-$(CONFIG_SCSI_DMX3191D)	+= dmx3191d.o
 obj-$(CONFIG_SCSI_DTC3280)	+= dtc.o
@@ -148,9 +148,9 @@ obj-$(CONFIG_SCSI_DEBUG)	+= scsi_debug.o
 obj-$(CONFIG_SCSI_WAIT_SCAN)	+= scsi_wait_scan.o
 
 scsi_mod-y			+= scsi.o hosts.o scsi_ioctl.o constants.o \
-				   scsicam.o scsi_error.o scsi_lib.o \
-				   scsi_scan.o scsi_sysfs.o \
-				   scsi_devinfo.o
+				   scsicam.o scsi_error.o scsi_lib.o
+scsi_mod-$(CONFIG_SCSI_DMA)	+= scsi_lib_dma.o
+scsi_mod-y			+= scsi_scan.o scsi_sysfs.o scsi_devinfo.o
 scsi_mod-$(CONFIG_SCSI_NETLINK)	+= scsi_netlink.o
 scsi_mod-$(CONFIG_SYSCTL)	+= scsi_sysctl.o
 scsi_mod-$(CONFIG_SCSI_PROC_FS)	+= scsi_proc.o
@@ -168,10 +168,8 @@ NCR_Q720_mod-objs	:= NCR_Q720.o ncr53c8xx.o
 oktagon_esp_mod-objs	:= oktagon_esp.o oktagon_io.o
 
 # Files generated that shall be removed upon make clean
-clean-files :=	53c7xx_d.h 53c700_d.h	\
-		53c7xx_u.h 53c700_u.h
+clean-files :=	53c700_d.h 53c700_u.h
 
-$(obj)/53c7xx.o:   $(obj)/53c7xx_d.h $(obj)/53c7xx_u.h
 $(obj)/53c700.o $(MODVERDIR)/$(obj)/53c700.ver: $(obj)/53c700_d.h
 
 # If you want to play with the firmware, uncomment
@@ -179,11 +177,6 @@ $(obj)/53c700.o $(MODVERDIR)/$(obj)/53c700.ver: $(obj)/53c700_d.h
 
 ifdef GENERATE_FIRMWARE
 
-$(obj)/53c7xx_d.h: $(src)/53c7xx.scr $(src)/script_asm.pl
-	$(CPP) -traditional -DCHIP=710 - < $< | grep -v '^#' | $(PERL) -s $(src)/script_asm.pl -ncr7x0_family $@ $(@:_d.h=_u.h)
-
-$(obj)/53c7xx_u.h: $(obj)/53c7xx_d.h
-
 $(obj)/53c700_d.h: $(src)/53c700.scr $(src)/script_asm.pl
 	$(PERL) -s $(src)/script_asm.pl -ncr7x0_family $@ $(@:_d.h=_u.h) < $<
 

drivers/scsi/NCR5380.c

@@ -347,7 +347,7 @@ static int NCR5380_poll_politely(struct Scsi_Host *instance, int reg, int bit, i
 		if((r & bit) == val)
 			return 0;
 		if(!in_interrupt())
-			yield();
+			cond_resched();
 		else
 			cpu_relax();
 	}
@@ -357,7 +357,7 @@ static int NCR5380_poll_politely(struct Scsi_Host *instance, int reg, int bit, i
 static struct {
 	unsigned char value;
 	const char *name;
-} phases[] = {
+} phases[] __maybe_unused = {
 	{PHASE_DATAOUT, "DATAOUT"}, 
 	{PHASE_DATAIN, "DATAIN"}, 
 	{PHASE_CMDOUT, "CMDOUT"}, 
@@ -575,7 +575,8 @@ static irqreturn_t __init probe_intr(int irq, void *dev_id)
  *	Locks: none, irqs must be enabled on entry
  */
 
-static int __init NCR5380_probe_irq(struct Scsi_Host *instance, int possible)
+static int __init __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance,
+						int possible)
 {
 	NCR5380_local_declare();
 	struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
@@ -629,7 +630,8 @@ static int __init NCR5380_probe_irq(struct Scsi_Host *instance, int possible)
  *	Locks: none
  */
 
-static void __init NCR5380_print_options(struct Scsi_Host *instance)
+static void __init __maybe_unused
+NCR5380_print_options(struct Scsi_Host *instance)
 {
 	printk(" generic options"
 #ifdef AUTOPROBE_IRQ
@@ -703,8 +705,8 @@ char *lprint_command(unsigned char *cmd, char *pos, char *buffer, int len);
 static
 char *lprint_opcode(int opcode, char *pos, char *buffer, int length);
 
-static
-int NCR5380_proc_info(struct Scsi_Host *instance, char *buffer, char **start, off_t offset, int length, int inout)
+static int __maybe_unused NCR5380_proc_info(struct Scsi_Host *instance,
+	char *buffer, char **start, off_t offset, int length, int inout)
 {
 	char *pos = buffer;
 	struct NCR5380_hostdata *hostdata;

drivers/scsi/NCR5380.h

@@ -299,7 +299,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance);
 static irqreturn_t NCR5380_intr(int irq, void *dev_id);
 #endif
 static void NCR5380_main(struct work_struct *work);
-static void NCR5380_print_options(struct Scsi_Host *instance);
+static void __maybe_unused NCR5380_print_options(struct Scsi_Host *instance);
 #ifdef NDEBUG
 static void NCR5380_print_phase(struct Scsi_Host *instance);
 static void NCR5380_print(struct Scsi_Host *instance);
@@ -307,8 +307,8 @@ static void NCR5380_print(struct Scsi_Host *instance);
 static int NCR5380_abort(Scsi_Cmnd * cmd);
 static int NCR5380_bus_reset(Scsi_Cmnd * cmd);
 static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *));
-static int NCR5380_proc_info(struct Scsi_Host *instance, char *buffer, char **start,
-off_t offset, int length, int inout);
+static int __maybe_unused NCR5380_proc_info(struct Scsi_Host *instance,
+	char *buffer, char **start, off_t offset, int length, int inout);
 
 static void NCR5380_reselect(struct Scsi_Host *instance);
 static int NCR5380_select(struct Scsi_Host *instance, Scsi_Cmnd * cmd, int tag);

drivers/scsi/NCR53c406a.c

@@ -698,7 +698,7 @@ static int NCR53c406a_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
 	int i;
 
 	VDEB(printk("NCR53c406a_queue called\n"));
-	DEB(printk("cmd=%02x, cmd_len=%02x, target=%02x, lun=%02x, bufflen=%d\n", SCpnt->cmnd[0], SCpnt->cmd_len, SCpnt->target, SCpnt->lun, SCpnt->request_bufflen));
+	DEB(printk("cmd=%02x, cmd_len=%02x, target=%02x, lun=%02x, bufflen=%d\n", SCpnt->cmnd[0], SCpnt->cmd_len, SCpnt->target, SCpnt->lun, scsi_bufflen(SCpnt)));
 
 #if 0
 	VDEB(for (i = 0; i < SCpnt->cmd_len; i++)
@@ -785,8 +785,8 @@ static void NCR53c406a_intr(void *dev_id)
 	unsigned char status, int_reg;
 #if USE_PIO
 	unsigned char pio_status;
-	struct scatterlist *sglist;
-	unsigned int sgcount;
+	struct scatterlist *sg;
+        int i;
 #endif
 
 	VDEB(printk("NCR53c406a_intr called\n"));
@@ -866,22 +866,18 @@ static void NCR53c406a_intr(void *dev_id)
 			current_SC->SCp.phase = data_out;
 			VDEB(printk("NCR53c406a: Data-Out phase\n"));
 			outb(FLUSH_FIFO, CMD_REG);
-			LOAD_DMA_COUNT(current_SC->request_bufflen);	/* Max transfer size */
+			LOAD_DMA_COUNT(scsi_bufflen(current_SC));	/* Max transfer size */
 #if USE_DMA			/* No s/g support for DMA */
-			NCR53c406a_dma_write(current_SC->request_buffer, current_SC->request_bufflen);
+			NCR53c406a_dma_write(scsi_sglist(current_SC),
+                                             scsdi_bufflen(current_SC));
+
 #endif				/* USE_DMA */
 			outb(TRANSFER_INFO | DMA_OP, CMD_REG);
 #if USE_PIO
-			if (!current_SC->use_sg)	/* Don't use scatter-gather */
-				NCR53c406a_pio_write(current_SC->request_buffer, current_SC->request_bufflen);
-			else {	/* use scatter-gather */
-				sgcount = current_SC->use_sg;
-				sglist = current_SC->request_buffer;
-				while (sgcount--) {
-					NCR53c406a_pio_write(page_address(sglist->page) + sglist->offset, sglist->length);
-					sglist++;
-				}
-			}
+                        scsi_for_each_sg(current_SC, sg, scsi_sg_count(current_SC), i) {
+                                NCR53c406a_pio_write(page_address(sg->page) + sg->offset,
+                                                     sg->length);
+                        }
 			REG0;
 #endif				/* USE_PIO */
 		}
@@ -893,22 +889,17 @@ static void NCR53c406a_intr(void *dev_id)
 			current_SC->SCp.phase = data_in;
 			VDEB(printk("NCR53c406a: Data-In phase\n"));
 			outb(FLUSH_FIFO, CMD_REG);
-			LOAD_DMA_COUNT(current_SC->request_bufflen);	/* Max transfer size */
+			LOAD_DMA_COUNT(scsi_bufflen(current_SC));	/* Max transfer size */
 #if USE_DMA			/* No s/g support for DMA */
-			NCR53c406a_dma_read(current_SC->request_buffer, current_SC->request_bufflen);
+			NCR53c406a_dma_read(scsi_sglist(current_SC),
+                                            scsdi_bufflen(current_SC));
 #endif				/* USE_DMA */
 			outb(TRANSFER_INFO | DMA_OP, CMD_REG);
 #if USE_PIO
-			if (!current_SC->use_sg)	/* Don't use scatter-gather */
-				NCR53c406a_pio_read(current_SC->request_buffer, current_SC->request_bufflen);
-			else {	/* Use scatter-gather */
-				sgcount = current_SC->use_sg;
-				sglist = current_SC->request_buffer;
-				while (sgcount--) {
-					NCR53c406a_pio_read(page_address(sglist->page) + sglist->offset, sglist->length);
-					sglist++;
-				}
-			}
+                        scsi_for_each_sg(current_SC, sg, scsi_sg_count(current_SC), i) {
+                                NCR53c406a_pio_read(page_address(sg->page) + sg->offset,
+                                                    sg->length);
+                        }
 			REG0;
 #endif				/* USE_PIO */
 		}

drivers/scsi/a100u2w.h

@@ -18,27 +18,6 @@
  * along with this program; see the file COPYING.  If not, write to
  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * --------------------------------------------------------------------------
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification, immediately at the beginning of the file.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * Where this Software is combined with software released under the terms of 
- * the GNU General Public License ("GPL") and the terms of the GPL would require the 
- * combined work to also be released under the terms of the GPL, the terms
- * and conditions of this License will apply in addition to those of the
- * GPL with the exception of any terms or conditions of this License that
- * conflict with, or are expressly prohibited by, the GPL.
- *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -50,30 +29,19 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- */
-
-/*
+ *
  * Revision History:
  * 06/18/98 HL, Initial production Version 1.02
  * 12/19/98 bv, Use spinlocks for 2.1.95 and up
  * 06/25/02 Doug Ledford <dledford@redhat.com>
  *	 - This and the i60uscsi.h file are almost identical,
  *	   merged them into a single header used by both .c files.
+ * 14/06/07 Alan Cox <alan@redhat.com>
+ *	 - Grand cleanup and Linuxisation
  */
 
 #define inia100_REVID "Initio INI-A100U2W SCSI device driver; Revision: 1.02d"
 
-#define ULONG   unsigned long
-#define USHORT  unsigned short
-#define UCHAR   unsigned char
-#define BYTE    unsigned char
-#define WORD    unsigned short
-#define DWORD   unsigned long
-#define UBYTE   unsigned char
-#define UWORD   unsigned short
-#define UDWORD  unsigned long
-#define U32     u32
-
 #if 1
 #define ORC_MAXQUEUE		245
 #define ORC_MAXTAGS		64
@@ -90,10 +58,10 @@
 /************************************************************************/
 /*              Scatter-Gather Element Structure                        */
 /************************************************************************/
-typedef struct ORC_SG_Struc {
-	U32 SG_Ptr;		/* Data Pointer */
-	U32 SG_Len;		/* Data Length */
-} ORC_SG;
+struct orc_sgent {
+	u32 base;		/* Data Pointer */
+	u32 length;		/* Data Length */
+};
 
 /* SCSI related definition                                              */
 #define DISC_NOT_ALLOW          0x80	/* Disconnect is not allowed    */
@@ -165,42 +133,45 @@ typedef struct ORC_SG_Struc {
 #define	ORC_PRGMCTR1	0xE3	/* RISC program counter           */
 #define	ORC_RISCRAM	0xEC	/* RISC RAM data port 4 bytes     */
 
-typedef struct orc_extended_scb {	/* Extended SCB                 */
-	ORC_SG ESCB_SGList[TOTAL_SG_ENTRY];	/*0 Start of SG list              */
-	struct scsi_cmnd *SCB_Srb;	/*50 SRB Pointer */
-} ESCB;
+struct orc_extended_scb {	/* Extended SCB                 */
+	struct orc_sgent sglist[TOTAL_SG_ENTRY];	/*0 Start of SG list              */
+	struct scsi_cmnd *srb;	/*50 SRB Pointer */
+};
 
 /***********************************************************************
 		SCSI Control Block
+
+		0x40 bytes long, the last 8 are user bytes
 ************************************************************************/
-typedef struct orc_scb {	/* Scsi_Ctrl_Blk                */
-	UBYTE SCB_Opcode;	/*00 SCB command code&residual  */
-	UBYTE SCB_Flags;	/*01 SCB Flags                  */
-	UBYTE SCB_Target;	/*02 Target Id                  */
-	UBYTE SCB_Lun;		/*03 Lun                        */
-	U32 SCB_Reserved0;	/*04 Reserved for ORCHID must 0 */
-	U32 SCB_XferLen;	/*08 Data Transfer Length       */
-	U32 SCB_Reserved1;	/*0C Reserved for ORCHID must 0 */
-	U32 SCB_SGLen;		/*10 SG list # * 8              */
-	U32 SCB_SGPAddr;	/*14 SG List Buf physical Addr  */
-	U32 SCB_SGPAddrHigh;	/*18 SG Buffer high physical Addr */
-	UBYTE SCB_HaStat;	/*1C Host Status                */
-	UBYTE SCB_TaStat;	/*1D Target Status              */
-	UBYTE SCB_Status;	/*1E SCB status                 */
-	UBYTE SCB_Link;		/*1F Link pointer, default 0xFF */
-	UBYTE SCB_SenseLen;	/*20 Sense Allocation Length    */
-	UBYTE SCB_CDBLen;	/*21 CDB Length                 */
-	UBYTE SCB_Ident;	/*22 Identify                   */
-	UBYTE SCB_TagMsg;	/*23 Tag Message                */
-	UBYTE SCB_CDB[IMAX_CDB];	/*24 SCSI CDBs                  */
-	UBYTE SCB_ScbIdx;	/*3C Index for this ORCSCB      */
-	U32 SCB_SensePAddr;	/*34 Sense Buffer physical Addr */
-
-	ESCB *SCB_EScb;		/*38 Extended SCB Pointer       */
-#ifndef ALPHA
-	UBYTE SCB_Reserved2[4];	/*3E Reserved for Driver use    */
+struct orc_scb {	/* Scsi_Ctrl_Blk                */
+	u8 opcode;	/*00 SCB command code&residual  */
+	u8 flags;	/*01 SCB Flags                  */
+	u8 target;	/*02 Target Id                  */
+	u8 lun;		/*03 Lun                        */
+	u32 reserved0;	/*04 Reserved for ORCHID must 0 */
+	u32 xferlen;	/*08 Data Transfer Length       */
+	u32 reserved1;	/*0C Reserved for ORCHID must 0 */
+	u32 sg_len;		/*10 SG list # * 8              */
+	u32 sg_addr;	/*14 SG List Buf physical Addr  */
+	u32 sg_addrhigh;	/*18 SG Buffer high physical Addr */
+	u8 hastat;	/*1C Host Status                */
+	u8 tastat;	/*1D Target Status              */
+	u8 status;	/*1E SCB status                 */
+	u8 link;		/*1F Link pointer, default 0xFF */
+	u8 sense_len;	/*20 Sense Allocation Length    */
+	u8 cdb_len;	/*21 CDB Length                 */
+	u8 ident;	/*22 Identify                   */
+	u8 tag_msg;	/*23 Tag Message                */
+	u8 cdb[IMAX_CDB];	/*24 SCSI CDBs                  */
+	u8 scbidx;	/*3C Index for this ORCSCB      */
+	u32 sense_addr;	/*34 Sense Buffer physical Addr */
+
+	struct orc_extended_scb *escb; /*38 Extended SCB Pointer       */
+        /* 64bit pointer or 32bit pointer + reserved ? */
+#ifndef CONFIG_64BIT
+	u8 reserved2[4];	/*3E Reserved for Driver use    */
 #endif
-} ORC_SCB;
+};
 
 /* Opcodes of ORCSCB_Opcode */
 #define ORC_EXECSCSI	0x00	/* SCSI initiator command with residual */
@@ -239,13 +210,13 @@ typedef struct orc_scb {	/* Scsi_Ctrl_Blk                */
 		Target Device Control Structure
 **********************************************************************/
 
-typedef struct ORC_Tar_Ctrl_Struc {
-	UBYTE TCS_DrvDASD;	/* 6 */
-	UBYTE TCS_DrvSCSI;	/* 7 */
-	UBYTE TCS_DrvHead;	/* 8 */
-	UWORD TCS_DrvFlags;	/* 4 */
-	UBYTE TCS_DrvSector;	/* 7 */
-} ORC_TCS;
+struct orc_target {
+	u8 TCS_DrvDASD;	/* 6 */
+	u8 TCS_DrvSCSI;	/* 7 */
+	u8 TCS_DrvHead;	/* 8 */
+	u16 TCS_DrvFlags;	/* 4 */
+	u8 TCS_DrvSector;	/* 7 */
+};
 
 /* Bit Definition for TCF_DrvFlags */
 #define	TCS_DF_NODASD_SUPT	0x20	/* Suppress OS/2 DASD Mgr support */
@@ -255,32 +226,23 @@ typedef struct ORC_Tar_Ctrl_Struc {
 /***********************************************************************
               Host Adapter Control Structure
 ************************************************************************/
-typedef struct ORC_Ha_Ctrl_Struc {
-	USHORT HCS_Base;	/* 00 */
-	UBYTE HCS_Index;	/* 02 */
-	UBYTE HCS_Intr;		/* 04 */
-	UBYTE HCS_SCSI_ID;	/* 06    H/A SCSI ID */
-	UBYTE HCS_BIOS;		/* 07    BIOS configuration */
-
-	UBYTE HCS_Flags;	/* 0B */
-	UBYTE HCS_HAConfig1;	/* 1B    SCSI0MAXTags */
-	UBYTE HCS_MaxTar;	/* 1B    SCSI0MAXTags */
-
-	USHORT HCS_Units;	/* Number of units this adapter  */
-	USHORT HCS_AFlags;	/* Adapter info. defined flags   */
-	ULONG HCS_Timeout;	/* Adapter timeout value   */
-	ORC_SCB *HCS_virScbArray;	/* 28 Virtual Pointer to SCB array */
-	dma_addr_t HCS_physScbArray;	/* Scb Physical address */
-	ESCB *HCS_virEscbArray;	/* Virtual pointer to ESCB Scatter list */
-	dma_addr_t HCS_physEscbArray;	/* scatter list Physical address */
-	UBYTE TargetFlag[16];	/* 30  target configuration, TCF_EN_TAG */
-	UBYTE MaximumTags[16];	/* 40  ORC_MAX_SCBS */
-	UBYTE ActiveTags[16][16];	/* 50 */
-	ORC_TCS HCS_Tcs[16];	/* 28 */
-	U32 BitAllocFlag[MAX_CHANNELS][8];	/* Max STB is 256, So 256/32 */
-	spinlock_t BitAllocFlagLock;
+struct orc_host {
+	unsigned long base;	/* Base address */
+	u8 index;		/* Index (Channel)*/
+	u8 scsi_id;		/* H/A SCSI ID */
+	u8 BIOScfg;		/*BIOS configuration */
+	u8 flags;
+	u8 max_targets;		/* SCSI0MAXTags */
+	struct orc_scb *scb_virt;	/* Virtual Pointer to SCB array */
+	dma_addr_t scb_phys;	/* Scb Physical address */
+	struct orc_extended_scb *escb_virt; /* Virtual pointer to ESCB Scatter list */
+	dma_addr_t escb_phys;	/* scatter list Physical address */
+	u8 target_flag[16];	/* target configuration, TCF_EN_TAG */
+	u8 max_tags[16];	/* ORC_MAX_SCBS */
+	u32 allocation_map[MAX_CHANNELS][8];	/* Max STB is 256, So 256/32 */
+	spinlock_t allocation_lock;
 	struct pci_dev *pdev;
-} ORC_HCS;
+};
 
 /* Bit Definition for HCS_Flags */
 
@@ -301,79 +263,79 @@ typedef struct ORC_Ha_Ctrl_Struc {
 #define	HCS_AF_DISABLE_RESET	0x10	/* Adapter disable reset  */
 #define	HCS_AF_DISABLE_ADPT	0x80	/* Adapter disable                */
 
-typedef struct _NVRAM {
+struct orc_nvram {
 /*----------header ---------------*/
-        UCHAR SubVendorID0;     /* 00 - Sub Vendor ID           */
-        UCHAR SubVendorID1;     /* 00 - Sub Vendor ID           */
-        UCHAR SubSysID0;        /* 02 - Sub System ID           */
-        UCHAR SubSysID1;        /* 02 - Sub System ID           */
-        UCHAR SubClass;         /* 04 - Sub Class               */
-        UCHAR VendorID0;        /* 05 - Vendor ID               */
-        UCHAR VendorID1;        /* 05 - Vendor ID               */
-        UCHAR DeviceID0;        /* 07 - Device ID               */
-        UCHAR DeviceID1;        /* 07 - Device ID               */
-        UCHAR Reserved0[2];     /* 09 - Reserved                */
-        UCHAR Revision;         /* 0B - Revision of data structure */
+        u8 SubVendorID0;     /* 00 - Sub Vendor ID           */
+        u8 SubVendorID1;     /* 00 - Sub Vendor ID           */
+        u8 SubSysID0;        /* 02 - Sub System ID           */
+        u8 SubSysID1;        /* 02 - Sub System ID           */
+        u8 SubClass;         /* 04 - Sub Class               */
+        u8 VendorID0;        /* 05 - Vendor ID               */
+        u8 VendorID1;        /* 05 - Vendor ID               */
+        u8 DeviceID0;        /* 07 - Device ID               */
+        u8 DeviceID1;        /* 07 - Device ID               */
+        u8 Reserved0[2];     /* 09 - Reserved                */
+        u8 revision;         /* 0B - revision of data structure */
         /* ----Host Adapter Structure ---- */
-        UCHAR NumOfCh;          /* 0C - Number of SCSI channel  */
-        UCHAR BIOSConfig1;      /* 0D - BIOS configuration 1    */
-        UCHAR BIOSConfig2;      /* 0E - BIOS boot channel&target ID */
-        UCHAR BIOSConfig3;      /* 0F - BIOS configuration 3    */
+        u8 NumOfCh;          /* 0C - Number of SCSI channel  */
+        u8 BIOSConfig1;      /* 0D - BIOS configuration 1    */
+        u8 BIOSConfig2;      /* 0E - BIOS boot channel&target ID */
+        u8 BIOSConfig3;      /* 0F - BIOS configuration 3    */
         /* ----SCSI channel Structure ---- */
         /* from "CTRL-I SCSI Host Adapter SetUp menu "  */
-        UCHAR SCSI0Id;          /* 10 - Channel 0 SCSI ID       */
-        UCHAR SCSI0Config;      /* 11 - Channel 0 SCSI configuration */
-        UCHAR SCSI0MaxTags;     /* 12 - Channel 0 Maximum tags  */
-        UCHAR SCSI0ResetTime;   /* 13 - Channel 0 Reset recovering time */
-        UCHAR ReservedforChannel0[2];   /* 14 - Reserved                */
+        u8 scsi_id;          /* 10 - Channel 0 SCSI ID       */
+        u8 SCSI0Config;      /* 11 - Channel 0 SCSI configuration */
+        u8 SCSI0MaxTags;     /* 12 - Channel 0 Maximum tags  */
+        u8 SCSI0ResetTime;   /* 13 - Channel 0 Reset recovering time */
+        u8 ReservedforChannel0[2];   /* 14 - Reserved                */
 
         /* ----SCSI target Structure ----  */
         /* from "CTRL-I SCSI device SetUp menu "                        */
-        UCHAR Target00Config;   /* 16 - Channel 0 Target 0 config */
-        UCHAR Target01Config;   /* 17 - Channel 0 Target 1 config */
-        UCHAR Target02Config;   /* 18 - Channel 0 Target 2 config */
-        UCHAR Target03Config;   /* 19 - Channel 0 Target 3 config */
-        UCHAR Target04Config;   /* 1A - Channel 0 Target 4 config */
-        UCHAR Target05Config;   /* 1B - Channel 0 Target 5 config */
-        UCHAR Target06Config;   /* 1C - Channel 0 Target 6 config */
-        UCHAR Target07Config;   /* 1D - Channel 0 Target 7 config */
-        UCHAR Target08Config;   /* 1E - Channel 0 Target 8 config */
-        UCHAR Target09Config;   /* 1F - Channel 0 Target 9 config */
-        UCHAR Target0AConfig;   /* 20 - Channel 0 Target A config */
-        UCHAR Target0BConfig;   /* 21 - Channel 0 Target B config */
-        UCHAR Target0CConfig;   /* 22 - Channel 0 Target C config */
-        UCHAR Target0DConfig;   /* 23 - Channel 0 Target D config */
-        UCHAR Target0EConfig;   /* 24 - Channel 0 Target E config */
-        UCHAR Target0FConfig;   /* 25 - Channel 0 Target F config */
-
-        UCHAR SCSI1Id;          /* 26 - Channel 1 SCSI ID       */
-        UCHAR SCSI1Config;      /* 27 - Channel 1 SCSI configuration */
-        UCHAR SCSI1MaxTags;     /* 28 - Channel 1 Maximum tags  */
-        UCHAR SCSI1ResetTime;   /* 29 - Channel 1 Reset recovering time */
-        UCHAR ReservedforChannel1[2];   /* 2A - Reserved                */
+        u8 Target00Config;   /* 16 - Channel 0 Target 0 config */
+        u8 Target01Config;   /* 17 - Channel 0 Target 1 config */
+        u8 Target02Config;   /* 18 - Channel 0 Target 2 config */
+        u8 Target03Config;   /* 19 - Channel 0 Target 3 config */
+        u8 Target04Config;   /* 1A - Channel 0 Target 4 config */
+        u8 Target05Config;   /* 1B - Channel 0 Target 5 config */
+        u8 Target06Config;   /* 1C - Channel 0 Target 6 config */
+        u8 Target07Config;   /* 1D - Channel 0 Target 7 config */
+        u8 Target08Config;   /* 1E - Channel 0 Target 8 config */
+        u8 Target09Config;   /* 1F - Channel 0 Target 9 config */
+        u8 Target0AConfig;   /* 20 - Channel 0 Target A config */
+        u8 Target0BConfig;   /* 21 - Channel 0 Target B config */
+        u8 Target0CConfig;   /* 22 - Channel 0 Target C config */
+        u8 Target0DConfig;   /* 23 - Channel 0 Target D config */
+        u8 Target0EConfig;   /* 24 - Channel 0 Target E config */
+        u8 Target0FConfig;   /* 25 - Channel 0 Target F config */
+
+        u8 SCSI1Id;          /* 26 - Channel 1 SCSI ID       */
+        u8 SCSI1Config;      /* 27 - Channel 1 SCSI configuration */
+        u8 SCSI1MaxTags;     /* 28 - Channel 1 Maximum tags  */
+        u8 SCSI1ResetTime;   /* 29 - Channel 1 Reset recovering time */
+        u8 ReservedforChannel1[2];   /* 2A - Reserved                */
 
         /* ----SCSI target Structure ----  */
         /* from "CTRL-I SCSI device SetUp menu "                                          */
-        UCHAR Target10Config;   /* 2C - Channel 1 Target 0 config */
-        UCHAR Target11Config;   /* 2D - Channel 1 Target 1 config */
-        UCHAR Target12Config;   /* 2E - Channel 1 Target 2 config */
-        UCHAR Target13Config;   /* 2F - Channel 1 Target 3 config */
-        UCHAR Target14Config;   /* 30 - Channel 1 Target 4 config */
-        UCHAR Target15Config;   /* 31 - Channel 1 Target 5 config */
-        UCHAR Target16Config;   /* 32 - Channel 1 Target 6 config */
-        UCHAR Target17Config;   /* 33 - Channel 1 Target 7 config */
-        UCHAR Target18Config;   /* 34 - Channel 1 Target 8 config */
-        UCHAR Target19Config;   /* 35 - Channel 1 Target 9 config */
-        UCHAR Target1AConfig;   /* 36 - Channel 1 Target A config */
-        UCHAR Target1BConfig;   /* 37 - Channel 1 Target B config */
-        UCHAR Target1CConfig;   /* 38 - Channel 1 Target C config */
-        UCHAR Target1DConfig;   /* 39 - Channel 1 Target D config */
-        UCHAR Target1EConfig;   /* 3A - Channel 1 Target E config */
-        UCHAR Target1FConfig;   /* 3B - Channel 1 Target F config */
-        UCHAR reserved[3];      /* 3C - Reserved                */
+        u8 Target10Config;   /* 2C - Channel 1 Target 0 config */
+        u8 Target11Config;   /* 2D - Channel 1 Target 1 config */
+        u8 Target12Config;   /* 2E - Channel 1 Target 2 config */
+        u8 Target13Config;   /* 2F - Channel 1 Target 3 config */
+        u8 Target14Config;   /* 30 - Channel 1 Target 4 config */
+        u8 Target15Config;   /* 31 - Channel 1 Target 5 config */
+        u8 Target16Config;   /* 32 - Channel 1 Target 6 config */
+        u8 Target17Config;   /* 33 - Channel 1 Target 7 config */
+        u8 Target18Config;   /* 34 - Channel 1 Target 8 config */
+        u8 Target19Config;   /* 35 - Channel 1 Target 9 config */
+        u8 Target1AConfig;   /* 36 - Channel 1 Target A config */
+        u8 Target1BConfig;   /* 37 - Channel 1 Target B config */
+        u8 Target1CConfig;   /* 38 - Channel 1 Target C config */
+        u8 Target1DConfig;   /* 39 - Channel 1 Target D config */
+        u8 Target1EConfig;   /* 3A - Channel 1 Target E config */
+        u8 Target1FConfig;   /* 3B - Channel 1 Target F config */
+        u8 reserved[3];      /* 3C - Reserved                */
         /* ---------- CheckSum ----------       */
-        UCHAR CheckSum;         /* 3F - Checksum of NVRam       */
-} NVRAM, *PNVRAM;
+        u8 CheckSum;         /* 3F - Checksum of NVRam       */
+};
 
 /* Bios Configuration for nvram->BIOSConfig1                            */
 #define NBC_BIOSENABLE  0x01    /* BIOS enable                    */
@@ -407,10 +369,3 @@ typedef struct _NVRAM {
 #define NCC_RESET_TIME  0x0A    /* SCSI RESET recovering time     */
 #define NTC_DEFAULT     (NTC_1GIGA | NTC_NO_WIDESYNC | NTC_DISC_ENABLE)
 
-#define ORC_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)((ULONG)x+(UCHAR)y)) ))
-#define ORC_RDWORD(x,y)         (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) ))
-#define ORC_RDLONG(x,y)         (long)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) ))
-
-#define ORC_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
-#define ORC_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
-#define ORC_WRLONG( adr,data)   outl( (ULONG)(data), (int)(adr))

drivers/scsi/a4000t.c

@@ -0,0 +1,143 @@
+/*
+ * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
+ *		Amiga Technologies A4000T SCSI controller.
+ *
+ * Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk>
+ * plus modifications of the 53c7xx.c driver to support the Amiga.
+ *
+ * Rewritten to use 53c700.c by Kars de Jong <jongk@linux-m68k.org>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <asm/amigahw.h>
+#include <asm/amigaints.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_spi.h>
+
+#include "53c700.h"
+
+MODULE_AUTHOR("Alan Hourihane <alanh@fairlite.demon.co.uk> / Kars de Jong <jongk@linux-m68k.org>");
+MODULE_DESCRIPTION("Amiga A4000T NCR53C710 driver");
+MODULE_LICENSE("GPL");
+
+
+static struct scsi_host_template a4000t_scsi_driver_template = {
+	.name		= "A4000T builtin SCSI",
+	.proc_name	= "A4000t",
+	.this_id	= 7,
+	.module		= THIS_MODULE,
+};
+
+static struct platform_device *a4000t_scsi_device;
+
+#define A4000T_SCSI_ADDR 0xdd0040
+
+static int __devinit a4000t_probe(struct device *dev)
+{
+	struct Scsi_Host * host = NULL;
+	struct NCR_700_Host_Parameters *hostdata;
+
+	if (!(MACH_IS_AMIGA && AMIGAHW_PRESENT(A4000_SCSI)))
+		goto out;
+
+	if (!request_mem_region(A4000T_SCSI_ADDR, 0x1000,
+				"A4000T builtin SCSI"))
+		goto out;
+
+	hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
+	if (hostdata == NULL) {
+		printk(KERN_ERR "a4000t-scsi: Failed to allocate host data\n");
+		goto out_release;
+	}
+	memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
+
+	/* Fill in the required pieces of hostdata */
+	hostdata->base = (void __iomem *)ZTWO_VADDR(A4000T_SCSI_ADDR);
+	hostdata->clock = 50;
+	hostdata->chip710 = 1;
+	hostdata->dmode_extra = DMODE_FC2;
+	hostdata->dcntl_extra = EA_710;
+
+	/* and register the chip */
+	host = NCR_700_detect(&a4000t_scsi_driver_template, hostdata, dev);
+	if (!host) {
+		printk(KERN_ERR "a4000t-scsi: No host detected; "
+				"board configuration problem?\n");
+		goto out_free;
+	}
+
+	host->this_id = 7;
+	host->base = A4000T_SCSI_ADDR;
+	host->irq = IRQ_AMIGA_PORTS;
+
+	if (request_irq(host->irq, NCR_700_intr, IRQF_SHARED, "a4000t-scsi",
+			host)) {
+		printk(KERN_ERR "a4000t-scsi: request_irq failed\n");
+		goto out_put_host;
+	}
+
+	scsi_scan_host(host);
+
+	return 0;
+
+ out_put_host:
+	scsi_host_put(host);
+ out_free:
+	kfree(hostdata);
+ out_release:
+	release_mem_region(A4000T_SCSI_ADDR, 0x1000);
+ out:
+	return -ENODEV;
+}
+
+static __devexit int a4000t_device_remove(struct device *dev)
+{
+	struct Scsi_Host *host = dev_to_shost(dev);
+	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+
+	scsi_remove_host(host);
+
+	NCR_700_release(host);
+	kfree(hostdata);
+	free_irq(host->irq, host);
+	release_mem_region(A4000T_SCSI_ADDR, 0x1000);
+
+	return 0;
+}
+
+static struct device_driver a4000t_scsi_driver = {
+	.name	= "a4000t-scsi",
+	.bus	= &platform_bus_type,
+	.probe	= a4000t_probe,
+	.remove	= __devexit_p(a4000t_device_remove),
+};
+
+static int __init a4000t_scsi_init(void)
+{
+	int err;
+
+	err = driver_register(&a4000t_scsi_driver);
+	if (err)
+		return err;
+
+	a4000t_scsi_device = platform_device_register_simple("a4000t-scsi",
+			-1, NULL, 0);
+	if (IS_ERR(a4000t_scsi_device)) {
+		driver_unregister(&a4000t_scsi_driver);
+		return PTR_ERR(a4000t_scsi_device);
+	}
+
+	return err;
+}
+
+static void __exit a4000t_scsi_exit(void)
+{
+	platform_device_unregister(a4000t_scsi_device);
+	driver_unregister(&a4000t_scsi_driver);
+}
+
+module_init(a4000t_scsi_init);
+module_exit(a4000t_scsi_exit);

drivers/scsi/aacraid/aachba.c

@@ -169,6 +169,18 @@ int acbsize = -1;
 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
 
+int update_interval = 30 * 60;
+module_param(update_interval, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync updates issued to adapter.");
+
+int check_interval = 24 * 60 * 60;
+module_param(check_interval, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health checks.");
+
+int check_reset = 1;
+module_param(check_reset, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the adapter.");
+
 int expose_physicals = -1;
 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
@@ -312,11 +324,10 @@ int aac_get_containers(struct aac_dev *dev)
 
 	if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 		maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
-	fsa_dev_ptr =  kmalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
+	fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 			GFP_KERNEL);
 	if (!fsa_dev_ptr)
 		return -ENOMEM;
-	memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
 
 	dev->fsa_dev = fsa_dev_ptr;
 	dev->maximum_num_containers = maximum_num_containers;
@@ -344,21 +355,16 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne
 {
 	void *buf;
 	int transfer_len;
-	struct scatterlist *sg = scsicmd->request_buffer;
+	struct scatterlist *sg = scsi_sglist(scsicmd);
+
+	buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+	transfer_len = min(sg->length, len + offset);
 
-	if (scsicmd->use_sg) {
-		buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
-		transfer_len = min(sg->length, len + offset);
-	} else {
-		buf = scsicmd->request_buffer;
-		transfer_len = min(scsicmd->request_bufflen, len + offset);
-	}
 	transfer_len -= offset;
 	if (buf && transfer_len > 0)
 		memcpy(buf + offset, data, transfer_len);
 
-	if (scsicmd->use_sg) 
-		kunmap_atomic(buf - sg->offset, KM_IRQ0);
+	kunmap_atomic(buf - sg->offset, KM_IRQ0);
 
 }
 
@@ -451,7 +457,7 @@ static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 {
 	struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 
-	if (fsa_dev_ptr[scmd_id(scsicmd)].valid)
+	if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 		return aac_scsi_cmd(scsicmd);
 
 	scsicmd->result = DID_NO_CONNECT << 16;
@@ -459,18 +465,18 @@ static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 	return 0;
 }
 
-static int _aac_probe_container2(void * context, struct fib * fibptr)
+static void _aac_probe_container2(void * context, struct fib * fibptr)
 {
 	struct fsa_dev_info *fsa_dev_ptr;
 	int (*callback)(struct scsi_cmnd *);
 	struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 
-	if (!aac_valid_context(scsicmd, fibptr))
-		return 0;
 
-	fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
+	if (!aac_valid_context(scsicmd, fibptr))
+		return;
 
 	scsicmd->SCp.Status = 0;
+	fsa_dev_ptr = fibptr->dev->fsa_dev;
 	if (fsa_dev_ptr) {
 		struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 		fsa_dev_ptr += scmd_id(scsicmd);
@@ -493,10 +499,11 @@ static int _aac_probe_container2(void * context, struct fib * fibptr)
 	aac_fib_free(fibptr);
 	callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 	scsicmd->SCp.ptr = NULL;
-	return (*callback)(scsicmd);
+	(*callback)(scsicmd);
+	return;
 }
 
-static int _aac_probe_container1(void * context, struct fib * fibptr)
+static void _aac_probe_container1(void * context, struct fib * fibptr)
 {
 	struct scsi_cmnd * scsicmd;
 	struct aac_mount * dresp;
@@ -506,13 +513,14 @@ static int _aac_probe_container1(void * context, struct fib * fibptr)
 	dresp = (struct aac_mount *) fib_data(fibptr);
 	dresp->mnt[0].capacityhigh = 0;
 	if ((le32_to_cpu(dresp->status) != ST_OK) ||
-	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE))
-		return _aac_probe_container2(context, fibptr);
+	    (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
+		_aac_probe_container2(context, fibptr);
+		return;
+	}
 	scsicmd = (struct scsi_cmnd *) context;
-	scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 
 	if (!aac_valid_context(scsicmd, fibptr))
-		return 0;
+		return;
 
 	aac_fib_init(fibptr);
 
@@ -527,21 +535,18 @@ static int _aac_probe_container1(void * context, struct fib * fibptr)
 			  sizeof(struct aac_query_mount),
 			  FsaNormal,
 			  0, 1,
-			  (fib_callback) _aac_probe_container2,
+			  _aac_probe_container2,
 			  (void *) scsicmd);
 	/*
 	 *	Check that the command queued to the controller
 	 */
-	if (status == -EINPROGRESS) {
+	if (status == -EINPROGRESS)
 		scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
-		return 0;
-	}
-	if (status < 0) {
+	else if (status < 0) {
 		/* Inherit results from VM_NameServe, if any */
 		dresp->status = cpu_to_le32(ST_OK);
-		return _aac_probe_container2(context, fibptr);
+		_aac_probe_container2(context, fibptr);
 	}
-	return 0;
 }
 
 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
@@ -566,7 +571,7 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru
 			  sizeof(struct aac_query_mount),
 			  FsaNormal,
 			  0, 1,
-			  (fib_callback) _aac_probe_container1,
+			  _aac_probe_container1,
 			  (void *) scsicmd);
 		/*
 		 *	Check that the command queued to the controller
@@ -620,7 +625,7 @@ int aac_probe_container(struct aac_dev *dev, int cid)
 		return -ENOMEM;
 	}
 	scsicmd->list.next = NULL;
-	scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))_aac_probe_container1;
+	scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 
 	scsicmd->device = scsidev;
 	scsidev->sdev_state = 0;
@@ -825,7 +830,7 @@ static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u3
 	readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 	readcmd->count = cpu_to_le32(count<<9);
 	readcmd->cid = cpu_to_le16(scmd_id(cmd));
-	readcmd->flags = cpu_to_le16(1);
+	readcmd->flags = cpu_to_le16(IO_TYPE_READ);
 	readcmd->bpTotal = 0;
 	readcmd->bpComplete = 0;
 
@@ -904,7 +909,7 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32
 			  (void *) cmd);
 }
 
-static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 {
 	u16 fibsize;
 	struct aac_raw_io *writecmd;
@@ -914,7 +919,9 @@ static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u
 	writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 	writecmd->count = cpu_to_le32(count<<9);
 	writecmd->cid = cpu_to_le16(scmd_id(cmd));
-	writecmd->flags = 0;
+	writecmd->flags = fua ?
+		cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
+		cpu_to_le16(IO_TYPE_WRITE);
 	writecmd->bpTotal = 0;
 	writecmd->bpComplete = 0;
 
@@ -933,7 +940,7 @@ static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u
 			  (void *) cmd);
 }
 
-static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 {
 	u16 fibsize;
 	struct aac_write64 *writecmd;
@@ -964,7 +971,7 @@ static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba,
 			  (void *) cmd);
 }
 
-static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
 {
 	u16 fibsize;
 	struct aac_write *writecmd;
@@ -1041,7 +1048,7 @@ static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
 	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
 
 	aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
-	srbcmd->count = cpu_to_le32(cmd->request_bufflen);
+	srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
 
 	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
 	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
@@ -1069,7 +1076,7 @@ static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
 	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
 
 	aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
-	srbcmd->count = cpu_to_le32(cmd->request_bufflen);
+	srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
 
 	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
 	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
@@ -1172,6 +1179,7 @@ int aac_get_adapter_info(struct aac_dev* dev)
 	}
 
 	if (!dev->in_reset) {
+		char buffer[16];
 		tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 		printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
 			dev->name, 
@@ -1192,16 +1200,23 @@ int aac_get_adapter_info(struct aac_dev* dev)
 			dev->name, dev->id,
 			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 			le32_to_cpu(dev->adapter_info.biosbuild));
-		if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-			printk(KERN_INFO "%s%d: serial %x\n",
-				dev->name, dev->id,
-				le32_to_cpu(dev->adapter_info.serial[0]));
+		buffer[0] = '\0';
+		if (aac_show_serial_number(
+		  shost_to_class(dev->scsi_host_ptr), buffer))
+			printk(KERN_INFO "%s%d: serial %s",
+			  dev->name, dev->id, buffer);
 		if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
 			printk(KERN_INFO "%s%d: TSID %.*s\n",
 			  dev->name, dev->id,
 			  (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
 			  dev->supplement_adapter_info.VpdInfo.Tsid);
 		}
+		if (!check_reset ||
+		  (dev->supplement_adapter_info.SupportedOptions2 &
+		  le32_to_cpu(AAC_OPTION_IGNORE_RESET))) {
+			printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
+			  dev->name, dev->id);
+		}
 	}
 
 	dev->nondasd_support = 0;
@@ -1332,7 +1347,7 @@ static void io_callback(void *context, struct fib * fibptr)
 	if (!aac_valid_context(scsicmd, fibptr))
 		return;
 
-	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
+	dev = fibptr->dev;
 	cid = scmd_id(scsicmd);
 
 	if (nblank(dprintk(x))) {
@@ -1371,16 +1386,9 @@ static void io_callback(void *context, struct fib * fibptr)
 	}
 
 	BUG_ON(fibptr == NULL);
-		
-	if(scsicmd->use_sg)
-		pci_unmap_sg(dev->pdev, 
-			(struct scatterlist *)scsicmd->request_buffer,
-			scsicmd->use_sg,
-			scsicmd->sc_data_direction);
-	else if(scsicmd->request_bufflen)
-		pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
-				 scsicmd->request_bufflen,
-				 scsicmd->sc_data_direction);
+
+	scsi_dma_unmap(scsicmd);
+
 	readreply = (struct aac_read_reply *)fib_data(fibptr);
 	if (le32_to_cpu(readreply->status) == ST_OK)
 		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
@@ -1498,6 +1506,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 {
 	u64 lba;
 	u32 count;
+	int fua;
 	int status;
 	struct aac_dev *dev;
 	struct fib * cmd_fibcontext;
@@ -1512,6 +1521,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 		count = scsicmd->cmnd[4];
 		if (count == 0)
 			count = 256;
+		fua = 0;
 	} else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
 		dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
 
@@ -1524,6 +1534,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 			(scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 		count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
 			(scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
+		fua = scsicmd->cmnd[1] & 0x8;
 	} else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
 		dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
 
@@ -1531,10 +1542,12 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 		    | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 		count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
 		      | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
+		fua = scsicmd->cmnd[1] & 0x8;
 	} else {
 		dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
 		lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 		count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
+		fua = scsicmd->cmnd[1] & 0x8;
 	}
 	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
 	  smp_processor_id(), (unsigned long long)lba, jiffies));
@@ -1549,7 +1562,7 @@ static int aac_write(struct scsi_cmnd * scsicmd)
 		return 0;
 	}
 
-	status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
+	status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
 
 	/*
 	 *	Check that the command queued to the controller
@@ -1592,7 +1605,7 @@ static void synchronize_callback(void *context, struct fib *fibptr)
 			COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 	else {
 		struct scsi_device *sdev = cmd->device;
-		struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+		struct aac_dev *dev = fibptr->dev;
 		u32 cid = sdev_id(sdev);
 		printk(KERN_WARNING 
 		     "synchronize_callback: synchronize failed, status = %d\n",
@@ -1699,7 +1712,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd)
  
 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 {
-	u32 cid = 0;
+	u32 cid;
 	struct Scsi_Host *host = scsicmd->device->host;
 	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 	struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
@@ -1711,15 +1724,15 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 	 *	Test does not apply to ID 16, the pseudo id for the controller
 	 *	itself.
 	 */
-	if (scmd_id(scsicmd) != host->this_id) {
-		if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
-			if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
+	cid = scmd_id(scsicmd);
+	if (cid != host->this_id) {
+		if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
+			if((cid >= dev->maximum_num_containers) ||
 					(scsicmd->device->lun != 0)) {
 				scsicmd->result = DID_NO_CONNECT << 16;
 				scsicmd->scsi_done(scsicmd);
 				return 0;
 			}
-			cid = scmd_id(scsicmd);
 
 			/*
 			 *	If the target container doesn't exist, it may have
@@ -1782,7 +1795,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 	{
 		struct inquiry_data inq_data;
 
-		dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
+		dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
 		memset(&inq_data, 0, sizeof (struct inquiry_data));
 
 		inq_data.inqd_ver = 2;	/* claim compliance to SCSI-2 */
@@ -1794,7 +1807,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		 *	Set the Vendor, Product, and Revision Level
 		 *	see: <vendor>.c i.e. aac.c
 		 */
-		if (scmd_id(scsicmd) == host->this_id) {
+		if (cid == host->this_id) {
 			setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
 			inq_data.inqd_pdt = INQD_PDT_PROC;	/* Processor device */
 			aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
@@ -1886,15 +1899,29 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 
 	case MODE_SENSE:
 	{
-		char mode_buf[4];
+		char mode_buf[7];
+		int mode_buf_length = 4;
 
 		dprintk((KERN_DEBUG "MODE SENSE command.\n"));
 		mode_buf[0] = 3;	/* Mode data length */
 		mode_buf[1] = 0;	/* Medium type - default */
-		mode_buf[2] = 0;	/* Device-specific param, bit 8: 0/1 = write enabled/protected */
+		mode_buf[2] = 0;	/* Device-specific param,
+					   bit 8: 0/1 = write enabled/protected
+					   bit 4: 0/1 = FUA enabled */
+		if (dev->raw_io_interface)
+			mode_buf[2] = 0x10;
 		mode_buf[3] = 0;	/* Block descriptor length */
-
-		aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
+		if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+		  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+			mode_buf[0] = 6;
+			mode_buf[4] = 8;
+			mode_buf[5] = 1;
+			mode_buf[6] = 0x04; /* WCE */
+			mode_buf_length = 7;
+			if (mode_buf_length > scsicmd->cmnd[4])
+				mode_buf_length = scsicmd->cmnd[4];
+		}
+		aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
 		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 		scsicmd->scsi_done(scsicmd);
 
@@ -1902,18 +1929,33 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 	}
 	case MODE_SENSE_10:
 	{
-		char mode_buf[8];
+		char mode_buf[11];
+		int mode_buf_length = 8;
 
 		dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
 		mode_buf[0] = 0;	/* Mode data length (MSB) */
 		mode_buf[1] = 6;	/* Mode data length (LSB) */
 		mode_buf[2] = 0;	/* Medium type - default */
-		mode_buf[3] = 0;	/* Device-specific param, bit 8: 0/1 = write enabled/protected */
+		mode_buf[3] = 0;	/* Device-specific param,
+					   bit 8: 0/1 = write enabled/protected
+					   bit 4: 0/1 = FUA enabled */
+		if (dev->raw_io_interface)
+			mode_buf[3] = 0x10;
 		mode_buf[4] = 0;	/* reserved */
 		mode_buf[5] = 0;	/* reserved */
 		mode_buf[6] = 0;	/* Block descriptor length (MSB) */
 		mode_buf[7] = 0;	/* Block descriptor length (LSB) */
-		aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
+		if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
+		  ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
+			mode_buf[1] = 9;
+			mode_buf[8] = 8;
+			mode_buf[9] = 1;
+			mode_buf[10] = 0x04; /* WCE */
+			mode_buf_length = 11;
+			if (mode_buf_length > scsicmd->cmnd[8])
+				mode_buf_length = scsicmd->cmnd[8];
+		}
+		aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
 
 		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 		scsicmd->scsi_done(scsicmd);
@@ -2136,28 +2178,21 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
 	if (!aac_valid_context(scsicmd, fibptr))
 		return;
 
-	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
-
 	BUG_ON(fibptr == NULL);
 
+	dev = fibptr->dev;
+
 	srbreply = (struct aac_srb_reply *) fib_data(fibptr);
 
 	scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
 	/*
 	 *	Calculate resid for sg 
 	 */
-	 
-	scsicmd->resid = scsicmd->request_bufflen - 
-		le32_to_cpu(srbreply->data_xfer_length);
-
-	if(scsicmd->use_sg)
-		pci_unmap_sg(dev->pdev, 
-			(struct scatterlist *)scsicmd->request_buffer,
-			scsicmd->use_sg,
-			scsicmd->sc_data_direction);
-	else if(scsicmd->request_bufflen)
-		pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
-			scsicmd->sc_data_direction);
+
+	scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
+		       - le32_to_cpu(srbreply->data_xfer_length));
+
+	scsi_dma_unmap(scsicmd);
 
 	/*
 	 * First check the fib status
@@ -2233,7 +2268,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
 		break;
 
 	case SRB_STATUS_BUSY:
-		scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+		scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
 		break;
 
 	case SRB_STATUS_BUS_RESET:
@@ -2343,34 +2378,33 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
 {
 	struct aac_dev *dev;
 	unsigned long byte_count = 0;
+	int nseg;
 
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 	// Get rid of old data
 	psg->count = 0;
 	psg->sg[0].addr = 0;
-	psg->sg[0].count = 0;  
-	if (scsicmd->use_sg) {
+	psg->sg[0].count = 0;
+
+	nseg = scsi_dma_map(scsicmd);
+	BUG_ON(nseg < 0);
+	if (nseg) {
 		struct scatterlist *sg;
 		int i;
-		int sg_count;
-		sg = (struct scatterlist *) scsicmd->request_buffer;
 
-		sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
-			scsicmd->sc_data_direction);
-		psg->count = cpu_to_le32(sg_count);
+		psg->count = cpu_to_le32(nseg);
 
-		for (i = 0; i < sg_count; i++) {
+		scsi_for_each_sg(scsicmd, sg, nseg, i) {
 			psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
 			psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
 			byte_count += sg_dma_len(sg);
-			sg++;
 		}
 		/* hba wants the size to be exact */
-		if(byte_count > scsicmd->request_bufflen){
-			u32 temp = le32_to_cpu(psg->sg[i-1].count) - 
-				(byte_count - scsicmd->request_bufflen);
+		if (byte_count > scsi_bufflen(scsicmd)) {
+			u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+				(byte_count - scsi_bufflen(scsicmd));
 			psg->sg[i-1].count = cpu_to_le32(temp);
-			byte_count = scsicmd->request_bufflen;
+			byte_count = scsi_bufflen(scsicmd);
 		}
 		/* Check for command underflow */
 		if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
@@ -2378,18 +2412,6 @@ static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
 					byte_count, scsicmd->underflow);
 		}
 	}
-	else if(scsicmd->request_bufflen) {
-		u32 addr;
-		scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
-				scsicmd->request_buffer,
-				scsicmd->request_bufflen,
-				scsicmd->sc_data_direction);
-		addr = scsicmd->SCp.dma_handle;
-		psg->count = cpu_to_le32(1);
-		psg->sg[0].addr = cpu_to_le32(addr);
-		psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);  
-		byte_count = scsicmd->request_bufflen;
-	}
 	return byte_count;
 }
 
@@ -2399,6 +2421,7 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
 	struct aac_dev *dev;
 	unsigned long byte_count = 0;
 	u64 addr;
+	int nseg;
 
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 	// Get rid of old data
@@ -2406,31 +2429,28 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
 	psg->sg[0].addr[0] = 0;
 	psg->sg[0].addr[1] = 0;
 	psg->sg[0].count = 0;
-	if (scsicmd->use_sg) {
+
+	nseg = scsi_dma_map(scsicmd);
+	BUG_ON(nseg < 0);
+	if (nseg) {
 		struct scatterlist *sg;
 		int i;
-		int sg_count;
-		sg = (struct scatterlist *) scsicmd->request_buffer;
-
-		sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
-			scsicmd->sc_data_direction);
 
-		for (i = 0; i < sg_count; i++) {
+		scsi_for_each_sg(scsicmd, sg, nseg, i) {
 			int count = sg_dma_len(sg);
 			addr = sg_dma_address(sg);
 			psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
 			psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
 			psg->sg[i].count = cpu_to_le32(count);
 			byte_count += count;
-			sg++;
 		}
-		psg->count = cpu_to_le32(sg_count);
+		psg->count = cpu_to_le32(nseg);
 		/* hba wants the size to be exact */
-		if(byte_count > scsicmd->request_bufflen){
-			u32 temp = le32_to_cpu(psg->sg[i-1].count) - 
-				(byte_count - scsicmd->request_bufflen);
+		if (byte_count > scsi_bufflen(scsicmd)) {
+			u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+				(byte_count - scsi_bufflen(scsicmd));
 			psg->sg[i-1].count = cpu_to_le32(temp);
-			byte_count = scsicmd->request_bufflen;
+			byte_count = scsi_bufflen(scsicmd);
 		}
 		/* Check for command underflow */
 		if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
@@ -2438,26 +2458,13 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
 					byte_count, scsicmd->underflow);
 		}
 	}
-	else if(scsicmd->request_bufflen) {
-		scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
-				scsicmd->request_buffer,
-				scsicmd->request_bufflen,
-				scsicmd->sc_data_direction);
-		addr = scsicmd->SCp.dma_handle;
-		psg->count = cpu_to_le32(1);
-		psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
-		psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
-		psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);  
-		byte_count = scsicmd->request_bufflen;
-	}
 	return byte_count;
 }
 
 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
 {
-	struct Scsi_Host *host = scsicmd->device->host;
-	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 	unsigned long byte_count = 0;
+	int nseg;
 
 	// Get rid of old data
 	psg->count = 0;
@@ -2467,16 +2474,14 @@ static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw*
 	psg->sg[0].addr[1] = 0;
 	psg->sg[0].count = 0;
 	psg->sg[0].flags = 0;
-	if (scsicmd->use_sg) {
+
+	nseg = scsi_dma_map(scsicmd);
+	BUG_ON(nseg < 0);
+	if (nseg) {
 		struct scatterlist *sg;
 		int i;
-		int sg_count;
-		sg = (struct scatterlist *) scsicmd->request_buffer;
 
-		sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
-			scsicmd->sc_data_direction);
-
-		for (i = 0; i < sg_count; i++) {
+		scsi_for_each_sg(scsicmd, sg, nseg, i) {
 			int count = sg_dma_len(sg);
 			u64 addr = sg_dma_address(sg);
 			psg->sg[i].next = 0;
@@ -2486,15 +2491,14 @@ static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw*
 			psg->sg[i].count = cpu_to_le32(count);
 			psg->sg[i].flags = 0;
 			byte_count += count;
-			sg++;
 		}
-		psg->count = cpu_to_le32(sg_count);
+		psg->count = cpu_to_le32(nseg);
 		/* hba wants the size to be exact */
-		if(byte_count > scsicmd->request_bufflen){
-			u32 temp = le32_to_cpu(psg->sg[i-1].count) - 
-				(byte_count - scsicmd->request_bufflen);
+		if (byte_count > scsi_bufflen(scsicmd)) {
+			u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+				(byte_count - scsi_bufflen(scsicmd));
 			psg->sg[i-1].count = cpu_to_le32(temp);
-			byte_count = scsicmd->request_bufflen;
+			byte_count = scsi_bufflen(scsicmd);
 		}
 		/* Check for command underflow */
 		if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
@@ -2502,24 +2506,6 @@ static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw*
 					byte_count, scsicmd->underflow);
 		}
 	}
-	else if(scsicmd->request_bufflen) {
-		int count;
-		u64 addr;
-		scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
-				scsicmd->request_buffer,
-				scsicmd->request_bufflen,
-				scsicmd->sc_data_direction);
-		addr = scsicmd->SCp.dma_handle;
-		count = scsicmd->request_bufflen;
-		psg->count = cpu_to_le32(1);
-		psg->sg[0].next = 0;
-		psg->sg[0].prev = 0;
-		psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
-		psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
-		psg->sg[0].count = cpu_to_le32(count);
-		psg->sg[0].flags = 0;
-		byte_count = scsicmd->request_bufflen;
-	}
 	return byte_count;
 }
 

drivers/scsi/aacraid/aacraid.h

@@ -12,8 +12,8 @@
  *----------------------------------------------------------------------------*/
 
 #ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 2437
-# define AAC_DRIVER_BRANCH "-mh4"
+# define AAC_DRIVER_BUILD 2447
+# define AAC_DRIVER_BRANCH "-ms"
 #endif
 #define MAXIMUM_NUM_CONTAINERS	32
 
@@ -464,12 +464,12 @@ struct adapter_ops
 	int  (*adapter_restart)(struct aac_dev *dev, int bled);
 	/* Transport operations */
 	int  (*adapter_ioremap)(struct aac_dev * dev, u32 size);
-	irqreturn_t (*adapter_intr)(int irq, void *dev_id);
+	irq_handler_t adapter_intr;
 	/* Packet operations */
 	int  (*adapter_deliver)(struct fib * fib);
 	int  (*adapter_bounds)(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba);
 	int  (*adapter_read)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
-	int  (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
+	int  (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua);
 	int  (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
 	/* Administrative operations */
 	int  (*adapter_comm)(struct aac_dev * dev, int comm);
@@ -860,10 +860,12 @@ struct aac_supplement_adapter_info
 	__le32	FlashFirmwareBootBuild;
 	u8	MfgPcbaSerialNo[12];
 	u8	MfgWWNName[8];
-	__le32	MoreFeatureBits;
+	__le32	SupportedOptions2;
 	__le32	ReservedGrowth[1];
 };
 #define AAC_FEATURE_FALCON	0x00000010
+#define AAC_OPTION_MU_RESET	0x00000001
+#define AAC_OPTION_IGNORE_RESET	0x00000002
 #define AAC_SIS_VERSION_V3	3
 #define AAC_SIS_SLOT_UNKNOWN	0xFF
 
@@ -1054,8 +1056,8 @@ struct aac_dev
 #define aac_adapter_read(fib,cmd,lba,count) \
 	((fib)->dev)->a_ops.adapter_read(fib,cmd,lba,count)
 
-#define aac_adapter_write(fib,cmd,lba,count) \
-	((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count)
+#define aac_adapter_write(fib,cmd,lba,count,fua) \
+	((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count,fua)
 
 #define aac_adapter_scsi(fib,cmd) \
 	((fib)->dev)->a_ops.adapter_scsi(fib,cmd)
@@ -1213,6 +1215,9 @@ struct aac_write64
 	__le32 		block;
 	__le16		pad;
 	__le16		flags;
+#define	IO_TYPE_WRITE 0x00000000
+#define	IO_TYPE_READ  0x00000001
+#define	IO_SUREWRITE  0x00000008
 	struct sgmap64	sg;	// Must be last in struct because it is variable
 };
 struct aac_write_reply
@@ -1257,6 +1262,19 @@ struct aac_synchronize_reply {
 	u8		data[16];
 };
 
+#define CT_PAUSE_IO    65
+#define CT_RELEASE_IO  66
+struct aac_pause {
+	__le32		command;	/* VM_ContainerConfig */
+	__le32		type;		/* CT_PAUSE_IO */
+	__le32		timeout;	/* 10ms ticks */
+	__le32		min;
+	__le32		noRescan;
+	__le32		parm3;
+	__le32		parm4;
+	__le32		count;	/* sizeof(((struct aac_pause_reply *)NULL)->data) */
+};
+
 struct aac_srb
 {
 	__le32		function;
@@ -1804,6 +1822,10 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag);
 int aac_get_containers(struct aac_dev *dev);
 int aac_scsi_cmd(struct scsi_cmnd *cmd);
 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg);
+#ifndef shost_to_class
+#define shost_to_class(shost) &shost->shost_classdev
+#endif
+ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf);
 int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg);
 int aac_rx_init(struct aac_dev *dev);
 int aac_rkt_init(struct aac_dev *dev);
@@ -1813,6 +1835,7 @@ int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw
 unsigned int aac_response_normal(struct aac_queue * q);
 unsigned int aac_command_normal(struct aac_queue * q);
 unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index);
+int aac_reset_adapter(struct aac_dev * dev, int forced);
 int aac_check_health(struct aac_dev * dev);
 int aac_command_thread(void *data);
 int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context *fibctx);
@@ -1832,3 +1855,6 @@ extern int aif_timeout;
 extern int expose_physicals;
 extern int aac_reset_devices;
 extern int aac_commit;
+extern int update_interval;
+extern int check_interval;
+extern int check_reset;

drivers/scsi/aacraid/commsup.c

@@ -1021,7 +1021,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
 
 }
 
-static int _aac_reset_adapter(struct aac_dev *aac)
+static int _aac_reset_adapter(struct aac_dev *aac, int forced)
 {
 	int index, quirks;
 	int retval;
@@ -1029,25 +1029,32 @@ static int _aac_reset_adapter(struct aac_dev *aac)
 	struct scsi_device *dev;
 	struct scsi_cmnd *command;
 	struct scsi_cmnd *command_list;
+	int jafo = 0;
 
 	/*
 	 * Assumptions:
-	 *	- host is locked.
+	 *	- host is locked, unless called by the aacraid thread.
+	 *	  (a matter of convenience, due to legacy issues surrounding
+	 *	  eh_host_adapter_reset).
 	 *	- in_reset is asserted, so no new i/o is getting to the
 	 *	  card.
-	 *	- The card is dead.
+	 *	- The card is dead, or will be very shortly ;-/ so no new
+	 *	  commands are completing in the interrupt service.
 	 */
 	host = aac->scsi_host_ptr;
 	scsi_block_requests(host);
 	aac_adapter_disable_int(aac);
-	spin_unlock_irq(host->host_lock);
-	kthread_stop(aac->thread);
+	if (aac->thread->pid != current->pid) {
+		spin_unlock_irq(host->host_lock);
+		kthread_stop(aac->thread);
+		jafo = 1;
+	}
 
 	/*
 	 *	If a positive health, means in a known DEAD PANIC
 	 * state and the adapter could be reset to `try again'.
 	 */
-	retval = aac_adapter_restart(aac, aac_adapter_check_health(aac));
+	retval = aac_adapter_restart(aac, forced ? 0 : aac_adapter_check_health(aac));
 
 	if (retval)
 		goto out;
@@ -1104,10 +1111,12 @@ static int _aac_reset_adapter(struct aac_dev *aac)
 	if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT)
 		if ((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK)))
 			goto out;
-	aac->thread = kthread_run(aac_command_thread, aac, aac->name);
-	if (IS_ERR(aac->thread)) {
-		retval = PTR_ERR(aac->thread);
-		goto out;
+	if (jafo) {
+		aac->thread = kthread_run(aac_command_thread, aac, aac->name);
+		if (IS_ERR(aac->thread)) {
+			retval = PTR_ERR(aac->thread);
+			goto out;
+		}
 	}
 	(void)aac_get_adapter_info(aac);
 	quirks = aac_get_driver_ident(index)->quirks;
@@ -1150,7 +1159,98 @@ static int _aac_reset_adapter(struct aac_dev *aac)
 out:
 	aac->in_reset = 0;
 	scsi_unblock_requests(host);
-	spin_lock_irq(host->host_lock);
+	if (jafo) {
+		spin_lock_irq(host->host_lock);
+	}
+	return retval;
+}
+
+int aac_reset_adapter(struct aac_dev * aac, int forced)
+{
+	unsigned long flagv = 0;
+	int retval;
+	struct Scsi_Host * host;
+
+	if (spin_trylock_irqsave(&aac->fib_lock, flagv) == 0)
+		return -EBUSY;
+
+	if (aac->in_reset) {
+		spin_unlock_irqrestore(&aac->fib_lock, flagv);
+		return -EBUSY;
+	}
+	aac->in_reset = 1;
+	spin_unlock_irqrestore(&aac->fib_lock, flagv);
+
+	/*
+	 * Wait for all commands to complete to this specific
+	 * target (block maximum 60 seconds). Although not necessary,
+	 * it does make us a good storage citizen.
+	 */
+	host = aac->scsi_host_ptr;
+	scsi_block_requests(host);
+	if (forced < 2) for (retval = 60; retval; --retval) {
+		struct scsi_device * dev;
+		struct scsi_cmnd * command;
+		int active = 0;
+
+		__shost_for_each_device(dev, host) {
+			spin_lock_irqsave(&dev->list_lock, flagv);
+			list_for_each_entry(command, &dev->cmd_list, list) {
+				if (command->SCp.phase == AAC_OWNER_FIRMWARE) {
+					active++;
+					break;
+				}
+			}
+			spin_unlock_irqrestore(&dev->list_lock, flagv);
+			if (active)
+				break;
+
+		}
+		/*
+		 * We can exit If all the commands are complete
+		 */
+		if (active == 0)
+			break;
+		ssleep(1);
+	}
+
+	/* Quiesce build, flush cache, write through mode */
+	aac_send_shutdown(aac);
+	spin_lock_irqsave(host->host_lock, flagv);
+	retval = _aac_reset_adapter(aac, forced);
+	spin_unlock_irqrestore(host->host_lock, flagv);
+
+	if (retval == -ENODEV) {
+		/* Unwind aac_send_shutdown() IOP_RESET unsupported/disabled */
+		struct fib * fibctx = aac_fib_alloc(aac);
+		if (fibctx) {
+			struct aac_pause *cmd;
+			int status;
+
+			aac_fib_init(fibctx);
+
+			cmd = (struct aac_pause *) fib_data(fibctx);
+
+			cmd->command = cpu_to_le32(VM_ContainerConfig);
+			cmd->type = cpu_to_le32(CT_PAUSE_IO);
+			cmd->timeout = cpu_to_le32(1);
+			cmd->min = cpu_to_le32(1);
+			cmd->noRescan = cpu_to_le32(1);
+			cmd->count = cpu_to_le32(0);
+
+			status = aac_fib_send(ContainerCommand,
+			  fibctx,
+			  sizeof(struct aac_pause),
+			  FsaNormal,
+			  -2 /* Timeout silently */, 1,
+			  NULL, NULL);
+
+			if (status >= 0)
+				aac_fib_complete(fibctx);
+			aac_fib_free(fibctx);
+		}
+	}
+
 	return retval;
 }
 
@@ -1270,10 +1370,15 @@ int aac_check_health(struct aac_dev * aac)
 
 	printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED);
 
+	if (!check_reset || (aac->supplement_adapter_info.SupportedOptions2 &
+	  le32_to_cpu(AAC_OPTION_IGNORE_RESET)))
+		goto out;
 	host = aac->scsi_host_ptr;
-	spin_lock_irqsave(host->host_lock, flagv);
-	BlinkLED = _aac_reset_adapter(aac);
-	spin_unlock_irqrestore(host->host_lock, flagv);
+	if (aac->thread->pid != current->pid)
+		spin_lock_irqsave(host->host_lock, flagv);
+	BlinkLED = _aac_reset_adapter(aac, 0);
+	if (aac->thread->pid != current->pid)
+		spin_unlock_irqrestore(host->host_lock, flagv);
 	return BlinkLED;
 
 out:
@@ -1300,6 +1405,9 @@ int aac_command_thread(void *data)
 	struct aac_fib_context *fibctx;
 	unsigned long flags;
 	DECLARE_WAITQUEUE(wait, current);
+	unsigned long next_jiffies = jiffies + HZ;
+	unsigned long next_check_jiffies = next_jiffies;
+	long difference = HZ;
 
 	/*
 	 *	We can only have one thread per adapter for AIF's.
@@ -1368,7 +1476,7 @@ int aac_command_thread(void *data)
 				     cpu_to_le32(AifCmdJobProgress))) {
 					aac_handle_aif(dev, fib);
 				}
- 				
+
 				time_now = jiffies/HZ;
 
 				/*
@@ -1507,11 +1615,79 @@ int aac_command_thread(void *data)
 		 *	There are no more AIF's
 		 */
 		spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags);
-		schedule();
+
+		/*
+		 *	Background activity
+		 */
+		if ((time_before(next_check_jiffies,next_jiffies))
+		 && ((difference = next_check_jiffies - jiffies) <= 0)) {
+			next_check_jiffies = next_jiffies;
+			if (aac_check_health(dev) == 0) {
+				difference = ((long)(unsigned)check_interval)
+					   * HZ;
+				next_check_jiffies = jiffies + difference;
+			} else if (!dev->queues)
+				break;
+		}
+		if (!time_before(next_check_jiffies,next_jiffies)
+		 && ((difference = next_jiffies - jiffies) <= 0)) {
+			struct timeval now;
+			int ret;
+
+			/* Don't even try to talk to adapter if its sick */
+			ret = aac_check_health(dev);
+			if (!ret && !dev->queues)
+				break;
+			next_check_jiffies = jiffies
+					   + ((long)(unsigned)check_interval)
+					   * HZ;
+			do_gettimeofday(&now);
+
+			/* Synchronize our watches */
+			if (((1000000 - (1000000 / HZ)) > now.tv_usec)
+			 && (now.tv_usec > (1000000 / HZ)))
+				difference = (((1000000 - now.tv_usec) * HZ)
+				  + 500000) / 1000000;
+			else if (ret == 0) {
+				struct fib *fibptr;
+
+				if ((fibptr = aac_fib_alloc(dev))) {
+					u32 * info;
+
+					aac_fib_init(fibptr);
+
+					info = (u32 *) fib_data(fibptr);
+					if (now.tv_usec > 500000)
+						++now.tv_sec;
+
+					*info = cpu_to_le32(now.tv_sec);
+
+					(void)aac_fib_send(SendHostTime,
+						fibptr,
+						sizeof(*info),
+						FsaNormal,
+						1, 1,
+						NULL,
+						NULL);
+					aac_fib_complete(fibptr);
+					aac_fib_free(fibptr);
+				}
+				difference = (long)(unsigned)update_interval*HZ;
+			} else {
+				/* retry shortly */
+				difference = 10 * HZ;
+			}
+			next_jiffies = jiffies + difference;
+			if (time_before(next_check_jiffies,next_jiffies))
+				difference = next_check_jiffies - jiffies;
+		}
+		if (difference <= 0)
+			difference = 1;
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(difference);
 
 		if (kthread_should_stop())
 			break;
-		set_current_state(TASK_INTERRUPTIBLE);
 	}
 	if (dev->queues)
 		remove_wait_queue(&dev->queues->queue[HostNormCmdQueue].cmdready, &wait);

drivers/scsi/aacraid/linit.c

@@ -39,10 +39,8 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
-#include <linux/dma-mapping.h>
 #include <linux/syscalls.h>
 #include <linux/delay.h>
-#include <linux/smp_lock.h>
 #include <linux/kthread.h>
 #include <asm/semaphore.h>
 
@@ -223,12 +221,12 @@ static struct aac_driver_ident aac_drivers[] = {
 	{ aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 	{ aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 	{ aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
-	{ aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
+	{ aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 	{ aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 
 	{ aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
 	{ aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
-	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
+	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 	{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
 };
@@ -403,10 +401,6 @@ static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 
 static int aac_slave_configure(struct scsi_device *sdev)
 {
-	if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
-		sdev->skip_ms_page_8 = 1;
-		sdev->skip_ms_page_3f = 1;
-	}
 	if ((sdev->type == TYPE_DISK) &&
 			(sdev_channel(sdev) != CONTAINER_CHANNEL)) {
 		if (expose_physicals == 0)
@@ -450,6 +444,43 @@ static int aac_slave_configure(struct scsi_device *sdev)
 	return 0;
 }
 
+/**
+ *	aac_change_queue_depth		-	alter queue depths
+ *	@sdev:	SCSI device we are considering
+ *	@depth:	desired queue depth
+ *
+ *	Alters queue depths for target device based on the host adapter's
+ *	total capacity and the queue depth supported by the target device.
+ */
+
+static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
+{
+	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
+	    (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
+		struct scsi_device * dev;
+		struct Scsi_Host *host = sdev->host;
+		unsigned num = 0;
+
+		__shost_for_each_device(dev, host) {
+			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
+			    (sdev_channel(dev) == CONTAINER_CHANNEL))
+				++num;
+			++num;
+		}
+		if (num >= host->can_queue)
+			num = host->can_queue - 1;
+		if (depth > (host->can_queue - num))
+			depth = host->can_queue - num;
+		if (depth > 256)
+			depth = 256;
+		else if (depth < 2)
+			depth = 2;
+		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
+	} else
+		scsi_adjust_queue_depth(sdev, 0, 1);
+	return sdev->queue_depth;
+}
+
 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 {
 	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
@@ -548,6 +579,14 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
 		ssleep(1);
 	}
 	printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
+	/*
+	 * This adapter needs a blind reset, only do so for Adapters that
+	 * support a register, instead of a commanded, reset.
+	 */
+	if ((aac->supplement_adapter_info.SupportedOptions2 &
+	  le32_to_cpu(AAC_OPTION_MU_RESET|AAC_OPTION_IGNORE_RESET)) ==
+	  le32_to_cpu(AAC_OPTION_MU_RESET))
+		aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 	return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 }
 
@@ -731,15 +770,21 @@ static ssize_t aac_show_bios_version(struct class_device *class_dev,
 	return len;
 }
 
-static ssize_t aac_show_serial_number(struct class_device *class_dev,
-		char *buf)
+ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf)
 {
 	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 	int len = 0;
 
 	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-		len = snprintf(buf, PAGE_SIZE, "%x\n",
+		len = snprintf(buf, PAGE_SIZE, "%06X\n",
 		  le32_to_cpu(dev->adapter_info.serial[0]));
+	if (len &&
+	  !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
+	    sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len],
+	  buf, len))
+		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
+		  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
+		  dev->supplement_adapter_info.MfgPcbaSerialNo);
 	return len;
 }
 
@@ -755,6 +800,31 @@ static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
 	  class_to_shost(class_dev)->max_id);
 }
 
+static ssize_t aac_store_reset_adapter(struct class_device *class_dev,
+		const char *buf, size_t count)
+{
+	int retval = -EACCES;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return retval;
+	retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!');
+	if (retval >= 0)
+		retval = count;
+	return retval;
+}
+
+static ssize_t aac_show_reset_adapter(struct class_device *class_dev,
+		char *buf)
+{
+	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
+	int len, tmp;
+
+	tmp = aac_adapter_check_health(dev);
+	if ((tmp == 0) && dev->in_reset)
+		tmp = -EBUSY;
+	len = snprintf(buf, PAGE_SIZE, "0x%x", tmp);
+	return len;
+}
 
 static struct class_device_attribute aac_model = {
 	.attr = {
@@ -812,6 +882,14 @@ static struct class_device_attribute aac_max_id = {
 	},
 	.show = aac_show_max_id,
 };
+static struct class_device_attribute aac_reset = {
+	.attr = {
+		.name = "reset_host",
+		.mode = S_IWUSR|S_IRUGO,
+	},
+	.store = aac_store_reset_adapter,
+	.show = aac_show_reset_adapter,
+};
 
 static struct class_device_attribute *aac_attrs[] = {
 	&aac_model,
@@ -822,6 +900,7 @@ static struct class_device_attribute *aac_attrs[] = {
 	&aac_serial_number,
 	&aac_max_channel,
 	&aac_max_id,
+	&aac_reset,
 	NULL
 };
 
@@ -848,6 +927,7 @@ static struct scsi_host_template aac_driver_template = {
 	.bios_param     		= aac_biosparm,	
 	.shost_attrs			= aac_attrs,
 	.slave_configure		= aac_slave_configure,
+	.change_queue_depth		= aac_change_queue_depth,
 	.eh_abort_handler		= aac_eh_abort,
 	.eh_host_reset_handler		= aac_eh_reset,
 	.can_queue      		= AAC_NUM_IO_FIB,	
@@ -1086,7 +1166,7 @@ static int __init aac_init(void)
 {
 	int error;
 	
-	printk(KERN_INFO "Adaptec %s driver (%s)\n",
+	printk(KERN_INFO "Adaptec %s driver %s\n",
 	  AAC_DRIVERNAME, aac_driver_version);
 
 	error = pci_register_driver(&aac_pci_driver);

drivers/scsi/aacraid/rx.c

@@ -464,21 +464,24 @@ static int aac_rx_restart_adapter(struct aac_dev *dev, int bled)
 {
 	u32 var;
 
-	if (bled)
-		printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n",
-			dev->name, dev->id, bled);
-	else {
-		bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS,
-		  0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
-		if (!bled && (var != 0x00000001))
-			bled = -EINVAL;
-	}
-	if (bled && (bled != -ETIMEDOUT))
-		bled = aac_adapter_sync_cmd(dev, IOP_RESET,
-		  0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
+	if (!(dev->supplement_adapter_info.SupportedOptions2 &
+	  le32_to_cpu(AAC_OPTION_MU_RESET)) || (bled >= 0) || (bled == -2)) {
+		if (bled)
+			printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n",
+				dev->name, dev->id, bled);
+		else {
+			bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS,
+			  0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
+			if (!bled && (var != 0x00000001))
+				bled = -EINVAL;
+		}
+		if (bled && (bled != -ETIMEDOUT))
+			bled = aac_adapter_sync_cmd(dev, IOP_RESET,
+			  0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
 
-	if (bled && (bled != -ETIMEDOUT))
-		return -EINVAL;
+		if (bled && (bled != -ETIMEDOUT))
+			return -EINVAL;
+	}
 	if (bled || (var == 0x3803000F)) { /* USE_OTHER_METHOD */
 		rx_writel(dev, MUnit.reserved2, 3);
 		msleep(5000); /* Delay 5 seconds */
@@ -596,7 +599,7 @@ int _aac_rx_init(struct aac_dev *dev)
 		}
 		msleep(1);
 	}
-	if (restart)
+	if (restart && aac_commit)
 		aac_commit = 1;
 	/*
 	 *	Fill in the common function dispatch table.

drivers/scsi/advansys.c

@@ -798,7 +798,6 @@
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
-#include "advansys.h"
 #ifdef CONFIG_PCI
 #include <linux/pci.h>
 #endif /* CONFIG_PCI */
@@ -2014,7 +2013,7 @@ STATIC int       AscSgListToQueue(int);
 STATIC void      AscEnableIsaDma(uchar);
 #endif /* CONFIG_ISA */
 STATIC ASC_DCNT  AscGetMaxDmaCount(ushort);
-
+static const char *advansys_info(struct Scsi_Host *shp);
 
 /*
  * --- Adv Library Constants and Macros
@@ -3970,10 +3969,6 @@ STATIC ushort asc_bus[ASC_NUM_BUS] __initdata = {
     ASC_IS_PCI,
 };
 
-/*
- * Used with the LILO 'advansys' option to eliminate or
- * limit I/O port probing at boot time, cf. advansys_setup().
- */
 STATIC int asc_iopflag = ASC_FALSE;
 STATIC int asc_ioport[ASC_NUM_IOPORT_PROBE] = { 0, 0, 0, 0 };
 
@@ -4055,10 +4050,6 @@ STATIC void         asc_prt_hex(char *f, uchar *, int);
 #endif /* ADVANSYS_DEBUG */
 
 
-/*
- * --- Linux 'struct scsi_host_template' and advansys_setup() Functions
- */
-
 #ifdef CONFIG_PROC_FS
 /*
  * advansys_proc_info() - /proc/scsi/advansys/[0-(ASC_NUM_BOARD_SUPPORTED-1)]
@@ -4080,7 +4071,7 @@ STATIC void         asc_prt_hex(char *f, uchar *, int);
  * if 'prtbuf' is too small it will not be overwritten. Instead the
  * user just won't get all the available statistics.
  */
-int
+static int
 advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
 		off_t offset, int length, int inout)
 {
@@ -4296,7 +4287,7 @@ advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
  * it must not call SCSI mid-level functions including scsi_malloc()
  * and scsi_free().
  */
-int __init
+static int __init
 advansys_detect(struct scsi_host_template *tpnt)
 {
     static int          detect_called = ASC_FALSE;
@@ -5428,7 +5419,7 @@ advansys_detect(struct scsi_host_template *tpnt)
  *
  * Release resources allocated for a single AdvanSys adapter.
  */
-int
+static int
 advansys_release(struct Scsi_Host *shp)
 {
     asc_board_t    *boardp;
@@ -5475,7 +5466,7 @@ advansys_release(struct Scsi_Host *shp)
  * Note: The information line should not exceed ASC_INFO_SIZE bytes,
  * otherwise the static 'info' array will be overrun.
  */
-const char *
+static const char *
 advansys_info(struct Scsi_Host *shp)
 {
     static char     info[ASC_INFO_SIZE];
@@ -5568,7 +5559,7 @@ advansys_info(struct Scsi_Host *shp)
  * This function always returns 0. Command return status is saved
  * in the 'scp' result field.
  */
-int
+static int
 advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
 {
     struct Scsi_Host    *shp;
@@ -5656,7 +5647,7 @@ advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
  * sleeping is allowed and no locking other than for host structures is
  * required. Returns SUCCESS or FAILED.
  */
-int
+static int
 advansys_reset(struct scsi_cmnd *scp)
 {
     struct Scsi_Host     *shp;
@@ -5841,7 +5832,7 @@ advansys_reset(struct scsi_cmnd *scp)
  * ip[1]: sectors
  * ip[2]: cylinders
  */
-int
+static int
 advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
 		sector_t capacity, int ip[])
 {
@@ -5874,82 +5865,6 @@ advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
     return 0;
 }
 
-/*
- * advansys_setup()
- *
- * This function is called from init/main.c at boot time.
- * It it passed LILO parameters that can be set from the
- * LILO command line or in /etc/lilo.conf.
- *
- * It is used by the AdvanSys driver to either disable I/O
- * port scanning or to limit scanning to 1 - 4 I/O ports.
- * Regardless of the option setting EISA and PCI boards
- * will still be searched for and detected. This option
- * only affects searching for ISA and VL boards.
- *
- * If ADVANSYS_DEBUG is defined the driver debug level may
- * be set using the 5th (ASC_NUM_IOPORT_PROBE + 1) I/O Port.
- *
- * Examples:
- * 1. Eliminate I/O port scanning:
- *         boot: linux advansys=
- *       or
- *         boot: linux advansys=0x0
- * 2. Limit I/O port scanning to one I/O port:
- *        boot: linux advansys=0x110
- * 3. Limit I/O port scanning to four I/O ports:
- *        boot: linux advansys=0x110,0x210,0x230,0x330
- * 4. If ADVANSYS_DEBUG, limit I/O port scanning to four I/O ports and
- *    set the driver debug level to 2.
- *        boot: linux advansys=0x110,0x210,0x230,0x330,0xdeb2
- *
- * ints[0] - number of arguments
- * ints[1] - first argument
- * ints[2] - second argument
- * ...
- */
-void __init
-advansys_setup(char *str, int *ints)
-{
-    int    i;
-
-    if (asc_iopflag == ASC_TRUE) {
-        printk("AdvanSys SCSI: 'advansys' LILO option may appear only once\n");
-        return;
-    }
-
-    asc_iopflag = ASC_TRUE;
-
-    if (ints[0] > ASC_NUM_IOPORT_PROBE) {
-#ifdef ADVANSYS_DEBUG
-        if ((ints[0] == ASC_NUM_IOPORT_PROBE + 1) &&
-            (ints[ASC_NUM_IOPORT_PROBE + 1] >> 4 == 0xdeb)) {
-            asc_dbglvl = ints[ASC_NUM_IOPORT_PROBE + 1] & 0xf;
-        } else {
-#endif /* ADVANSYS_DEBUG */
-            printk("AdvanSys SCSI: only %d I/O ports accepted\n",
-                ASC_NUM_IOPORT_PROBE);
-#ifdef ADVANSYS_DEBUG
-        }
-#endif /* ADVANSYS_DEBUG */
-    }
-
-#ifdef ADVANSYS_DEBUG
-    ASC_DBG1(1, "advansys_setup: ints[0] %d\n", ints[0]);
-    for (i = 1; i < ints[0]; i++) {
-        ASC_DBG2(1, " ints[%d] 0x%x", i, ints[i]);
-    }
-    ASC_DBG(1, "\n");
-#endif /* ADVANSYS_DEBUG */
-
-    for (i = 1; i <= ints[0] && i <= ASC_NUM_IOPORT_PROBE; i++) {
-        asc_ioport[i-1] = ints[i];
-        ASC_DBG2(1, "advansys_setup: asc_ioport[%d] 0x%x\n",
-            i - 1, asc_ioport[i-1]);
-    }
-}
-
-
 /*
  * --- Loadable Driver Support
  */

drivers/scsi/advansys.h

@@ -1,36 +0,0 @@
-/*
- * advansys.h - Linux Host Driver for AdvanSys SCSI Adapters
- * 
- * Copyright (c) 1995-2000 Advanced System Products, Inc.
- * Copyright (c) 2000-2001 ConnectCom Solutions, Inc.
- * All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that redistributions of source
- * code retain the above copyright notice and this comment without
- * modification.
- *
- * As of March 8, 2000 Advanced System Products, Inc. (AdvanSys)
- * changed its name to ConnectCom Solutions, Inc.
- *
- */
-
-#ifndef _ADVANSYS_H
-#define _ADVANSYS_H
-
-/*
- * struct scsi_host_template function prototypes.
- */
-int advansys_detect(struct scsi_host_template *);
-int advansys_release(struct Scsi_Host *);
-const char *advansys_info(struct Scsi_Host *);
-int advansys_queuecommand(struct scsi_cmnd *, void (* done)(struct scsi_cmnd *));
-int advansys_reset(struct scsi_cmnd *);
-int advansys_biosparam(struct scsi_device *, struct block_device *,
-		sector_t, int[]);
-static int advansys_slave_configure(struct scsi_device *);
-
-/* init/main.c setup function */
-void advansys_setup(char *, int *);
-
-#endif /* _ADVANSYS_H */

drivers/scsi/aha152x.c

@@ -240,6 +240,7 @@
 #include <linux/io.h>
 #include <linux/blkdev.h>
 #include <asm/system.h>
+#include <linux/completion.h>
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/wait.h>
@@ -253,7 +254,6 @@
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
 #include <linux/list.h>
-#include <asm/semaphore.h>
 #include <scsi/scsicam.h>
 
 #include "scsi.h"
@@ -551,7 +551,7 @@ struct aha152x_hostdata {
  */
 struct aha152x_scdata {
 	Scsi_Cmnd *next;	/* next sc in queue */
-	struct semaphore *sem;	/* semaphore to block on */
+	struct completion *done;/* semaphore to block on */
 	unsigned char cmd_len;
 	unsigned char cmnd[MAX_COMMAND_SIZE];
 	unsigned short use_sg;
@@ -608,7 +608,7 @@ struct aha152x_scdata {
 
 #define SCDATA(SCpnt)		((struct aha152x_scdata *) (SCpnt)->host_scribble)
 #define SCNEXT(SCpnt)		SCDATA(SCpnt)->next
-#define SCSEM(SCpnt)		SCDATA(SCpnt)->sem
+#define SCSEM(SCpnt)		SCDATA(SCpnt)->done
 
 #define SG_ADDRESS(buffer)	((char *) (page_address((buffer)->page)+(buffer)->offset))
 
@@ -969,7 +969,8 @@ static int setup_expected_interrupts(struct Scsi_Host *shpnt)
 /* 
  *  Queue a command and setup interrupts for a free bus.
  */
-static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct semaphore *sem, int phase, void (*done)(Scsi_Cmnd *))
+static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete,
+		int phase, void (*done)(Scsi_Cmnd *))
 {
 	struct Scsi_Host *shpnt = SCpnt->device->host;
 	unsigned long flags;
@@ -1013,7 +1014,7 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct semaphore *sem, int p
 	}
 
 	SCNEXT(SCpnt)		= NULL;
-	SCSEM(SCpnt)		= sem;
+	SCSEM(SCpnt)		= complete;
 
 	/* setup scratch area
 	   SCp.ptr              : buffer pointer
@@ -1084,9 +1085,9 @@ static void reset_done(Scsi_Cmnd *SCpnt)
 	DPRINTK(debug_eh, INFO_LEAD "reset_done called\n", CMDINFO(SCpnt));
 #endif
 	if(SCSEM(SCpnt)) {
-		up(SCSEM(SCpnt));
+		complete(SCSEM(SCpnt));
 	} else {
-		printk(KERN_ERR "aha152x: reset_done w/o semaphore\n");
+		printk(KERN_ERR "aha152x: reset_done w/o completion\n");
 	}
 }
 
@@ -1139,21 +1140,6 @@ static int aha152x_abort(Scsi_Cmnd *SCpnt)
 	return FAILED;
 }
 
-static void timer_expired(unsigned long p)
-{
-	Scsi_Cmnd	 *SCp   = (Scsi_Cmnd *)p;
-	struct semaphore *sem   = SCSEM(SCp);
-	struct Scsi_Host *shpnt = SCp->device->host;
-	unsigned long flags;
-
-	/* remove command from issue queue */
-	DO_LOCK(flags);
-	remove_SC(&ISSUE_SC, SCp);
-	DO_UNLOCK(flags);
-
-	up(sem);
-}
-
 /*
  * Reset a device
  *
@@ -1161,14 +1147,14 @@ static void timer_expired(unsigned long p)
 static int aha152x_device_reset(Scsi_Cmnd * SCpnt)
 {
 	struct Scsi_Host *shpnt = SCpnt->device->host;
-	DECLARE_MUTEX_LOCKED(sem);
-	struct timer_list timer;
+	DECLARE_COMPLETION(done);
 	int ret, issued, disconnected;
 	unsigned char old_cmd_len = SCpnt->cmd_len;
 	unsigned short old_use_sg = SCpnt->use_sg;
 	void *old_buffer = SCpnt->request_buffer;
 	unsigned old_bufflen = SCpnt->request_bufflen;
 	unsigned long flags;
+	unsigned long timeleft;
 
 #if defined(AHA152X_DEBUG)
 	if(HOSTDATA(shpnt)->debug & debug_eh) {
@@ -1192,15 +1178,15 @@ static int aha152x_device_reset(Scsi_Cmnd * SCpnt)
 	SCpnt->request_buffer  = NULL;
 	SCpnt->request_bufflen = 0;
 
-	init_timer(&timer);
-	timer.data     = (unsigned long) SCpnt;
-	timer.expires  = jiffies + 100*HZ;   /* 10s */
-	timer.function = (void (*)(unsigned long)) timer_expired;
+	aha152x_internal_queue(SCpnt, &done, resetting, reset_done);
 
-	aha152x_internal_queue(SCpnt, &sem, resetting, reset_done);
-	add_timer(&timer);
-	down(&sem);
-	del_timer(&timer);
+	timeleft = wait_for_completion_timeout(&done, 100*HZ);
+	if (!timeleft) {
+		/* remove command from issue queue */
+		DO_LOCK(flags);
+		remove_SC(&ISSUE_SC, SCpnt);
+		DO_UNLOCK(flags);
+	}
 
 	SCpnt->cmd_len         = old_cmd_len;
 	SCpnt->use_sg          = old_use_sg;

drivers/scsi/aha1740.c

@@ -271,20 +271,8 @@ static irqreturn_t aha1740_intr_handle(int irq, void *dev_id)
 				continue;
 			}
 			sgptr = (struct aha1740_sg *) SCtmp->host_scribble;
-			if (SCtmp->use_sg) {
-				/* We used scatter-gather.
-				   Do the unmapping dance. */
-				dma_unmap_sg (&edev->dev,
-					      (struct scatterlist *) SCtmp->request_buffer,
-					      SCtmp->use_sg,
-					      SCtmp->sc_data_direction);
-			} else {
-				dma_unmap_single (&edev->dev,
-						  sgptr->buf_dma_addr,
-						  SCtmp->request_bufflen,
-						  DMA_BIDIRECTIONAL);
-			}
-	    
+			scsi_dma_unmap(SCtmp);
+
 			/* Free the sg block */
 			dma_free_coherent (&edev->dev,
 					   sizeof (struct aha1740_sg),
@@ -349,11 +337,9 @@ static int aha1740_queuecommand(Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *))
 	unchar target = scmd_id(SCpnt);
 	struct aha1740_hostdata *host = HOSTDATA(SCpnt->device->host);
 	unsigned long flags;
-	void *buff = SCpnt->request_buffer;
-	int bufflen = SCpnt->request_bufflen;
 	dma_addr_t sg_dma;
 	struct aha1740_sg *sgptr;
-	int ecbno;
+	int ecbno, nseg;
 	DEB(int i);
 
 	if(*cmd == REQUEST_SENSE) {
@@ -423,24 +409,23 @@ static int aha1740_queuecommand(Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *))
 	}
 	sgptr = (struct aha1740_sg *) SCpnt->host_scribble;
 	sgptr->sg_dma_addr = sg_dma;
-    
-	if (SCpnt->use_sg) {
-		struct scatterlist * sgpnt;
+
+	nseg = scsi_dma_map(SCpnt);
+	BUG_ON(nseg < 0);
+	if (nseg) {
+		struct scatterlist *sg;
 		struct aha1740_chain * cptr;
-		int i, count;
+		int i;
 		DEB(unsigned char * ptr);
 
 		host->ecb[ecbno].sg = 1;  /* SCSI Initiator Command
 					   * w/scatter-gather*/
-		sgpnt = (struct scatterlist *) SCpnt->request_buffer;
 		cptr = sgptr->sg_chain;
-		count = dma_map_sg (&host->edev->dev, sgpnt, SCpnt->use_sg,
-				    SCpnt->sc_data_direction);
-		for(i=0; i < count; i++) {
-			cptr[i].datalen = sg_dma_len (sgpnt + i);
-			cptr[i].dataptr = sg_dma_address (sgpnt + i);
+		scsi_for_each_sg(SCpnt, sg, nseg, i) {
+			cptr[i].datalen = sg_dma_len (sg);
+			cptr[i].dataptr = sg_dma_address (sg);
 		}
-		host->ecb[ecbno].datalen = count*sizeof(struct aha1740_chain);
+		host->ecb[ecbno].datalen = nseg * sizeof(struct aha1740_chain);
 		host->ecb[ecbno].dataptr = sg_dma;
 #ifdef DEBUG
 		printk("cptr %x: ",cptr);
@@ -448,11 +433,8 @@ static int aha1740_queuecommand(Scsi_Cmnd * SCpnt, void (*done)(Scsi_Cmnd *))
 		for(i=0;i<24;i++) printk("%02x ", ptr[i]);
 #endif
 	} else {
-		host->ecb[ecbno].datalen = bufflen;
-		sgptr->buf_dma_addr =  dma_map_single (&host->edev->dev,
-						       buff, bufflen,
-						       DMA_BIDIRECTIONAL);
-		host->ecb[ecbno].dataptr = sgptr->buf_dma_addr;
+		host->ecb[ecbno].datalen = 0;
+		host->ecb[ecbno].dataptr = 0;
 	}
 	host->ecb[ecbno].lun = SCpnt->device->lun;
 	host->ecb[ecbno].ses = 1; /* Suppress underrun errors */

drivers/scsi/aic7xxx/aic79xx_osm.c

@@ -376,21 +376,10 @@ static __inline void
 ahd_linux_unmap_scb(struct ahd_softc *ahd, struct scb *scb)
 {
 	struct scsi_cmnd *cmd;
-	int direction;
 
 	cmd = scb->io_ctx;
-	direction = cmd->sc_data_direction;
 	ahd_sync_sglist(ahd, scb, BUS_DMASYNC_POSTWRITE);
-	if (cmd->use_sg != 0) {
-		struct scatterlist *sg;
-
-		sg = (struct scatterlist *)cmd->request_buffer;
-		pci_unmap_sg(ahd->dev_softc, sg, cmd->use_sg, direction);
-	} else if (cmd->request_bufflen != 0) {
-		pci_unmap_single(ahd->dev_softc,
-				 scb->platform_data->buf_busaddr,
-				 cmd->request_bufflen, direction);
-	}
+	scsi_dma_unmap(cmd);
 }
 
 /******************************** Macros **************************************/
@@ -1422,6 +1411,7 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
 	u_int	 col_idx;
 	uint16_t mask;
 	unsigned long flags;
+	int nseg;
 
 	ahd_lock(ahd, &flags);
 
@@ -1494,18 +1484,17 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
 	ahd_set_residual(scb, 0);
 	ahd_set_sense_residual(scb, 0);
 	scb->sg_count = 0;
-	if (cmd->use_sg != 0) {
-		void	*sg;
-		struct	 scatterlist *cur_seg;
-		u_int	 nseg;
-		int	 dir;
-
-		cur_seg = (struct scatterlist *)cmd->request_buffer;
-		dir = cmd->sc_data_direction;
-		nseg = pci_map_sg(ahd->dev_softc, cur_seg,
-				  cmd->use_sg, dir);
+
+	nseg = scsi_dma_map(cmd);
+	BUG_ON(nseg < 0);
+	if (nseg > 0) {
+		void *sg = scb->sg_list;
+		struct scatterlist *cur_seg;
+		int i;
+
 		scb->platform_data->xfer_len = 0;
-		for (sg = scb->sg_list; nseg > 0; nseg--, cur_seg++) {
+
+		scsi_for_each_sg(cmd, cur_seg, nseg, i) {
 			dma_addr_t addr;
 			bus_size_t len;
 
@@ -1513,22 +1502,8 @@ ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
 			len = sg_dma_len(cur_seg);
 			scb->platform_data->xfer_len += len;
 			sg = ahd_sg_setup(ahd, scb, sg, addr, len,
-					  /*last*/nseg == 1);
+					  i == (nseg - 1));
 		}
-	} else if (cmd->request_bufflen != 0) {
-		void *sg;
-		dma_addr_t addr;
-		int dir;
-
-		sg = scb->sg_list;
-		dir = cmd->sc_data_direction;
-		addr = pci_map_single(ahd->dev_softc,
-				      cmd->request_buffer,
-				      cmd->request_bufflen, dir);
-		scb->platform_data->xfer_len = cmd->request_bufflen;
-		scb->platform_data->buf_busaddr = addr;
-		sg = ahd_sg_setup(ahd, scb, sg, addr,
-				  cmd->request_bufflen, /*last*/TRUE);
 	}
 
 	LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);

drivers/scsi/aic7xxx/aic79xx_osm.h

@@ -781,7 +781,7 @@ int ahd_get_transfer_dir(struct scb *scb)
 static __inline
 void ahd_set_residual(struct scb *scb, u_long resid)
 {
-	scb->io_ctx->resid = resid;
+	scsi_set_resid(scb->io_ctx, resid);
 }
 
 static __inline
@@ -793,7 +793,7 @@ void ahd_set_sense_residual(struct scb *scb, u_long resid)
 static __inline
 u_long ahd_get_residual(struct scb *scb)
 {
-	return (scb->io_ctx->resid);
+	return scsi_get_resid(scb->io_ctx);
 }
 
 static __inline

drivers/scsi/aic7xxx/aic7xxx_osm.c

@@ -402,18 +402,8 @@ ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb)
 
 	cmd = scb->io_ctx;
 	ahc_sync_sglist(ahc, scb, BUS_DMASYNC_POSTWRITE);
-	if (cmd->use_sg != 0) {
-		struct scatterlist *sg;
-
-		sg = (struct scatterlist *)cmd->request_buffer;
-		pci_unmap_sg(ahc->dev_softc, sg, cmd->use_sg,
-			     cmd->sc_data_direction);
-	} else if (cmd->request_bufflen != 0) {
-		pci_unmap_single(ahc->dev_softc,
-				 scb->platform_data->buf_busaddr,
-				 cmd->request_bufflen,
-				 cmd->sc_data_direction);
-	}
+
+	scsi_dma_unmap(cmd);
 }
 
 static __inline int
@@ -1381,6 +1371,7 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
 	struct	 ahc_tmode_tstate *tstate;
 	uint16_t mask;
 	struct scb_tailq *untagged_q = NULL;
+	int nseg;
 
 	/*
 	 * Schedule us to run later.  The only reason we are not
@@ -1472,23 +1463,21 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
 	ahc_set_residual(scb, 0);
 	ahc_set_sense_residual(scb, 0);
 	scb->sg_count = 0;
-	if (cmd->use_sg != 0) {
+
+	nseg = scsi_dma_map(cmd);
+	BUG_ON(nseg < 0);
+	if (nseg > 0) {
 		struct	ahc_dma_seg *sg;
 		struct	scatterlist *cur_seg;
-		struct	scatterlist *end_seg;
-		int	nseg;
+		int i;
 
-		cur_seg = (struct scatterlist *)cmd->request_buffer;
-		nseg = pci_map_sg(ahc->dev_softc, cur_seg, cmd->use_sg,
-				  cmd->sc_data_direction);
-		end_seg = cur_seg + nseg;
 		/* Copy the segments into the SG list. */
 		sg = scb->sg_list;
 		/*
 		 * The sg_count may be larger than nseg if
 		 * a transfer crosses a 32bit page.
-		 */ 
-		while (cur_seg < end_seg) {
+		 */
+		scsi_for_each_sg(cmd, cur_seg, nseg, i) {
 			dma_addr_t addr;
 			bus_size_t len;
 			int consumed;
@@ -1499,7 +1488,6 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
 						     sg, addr, len);
 			sg += consumed;
 			scb->sg_count += consumed;
-			cur_seg++;
 		}
 		sg--;
 		sg->len |= ahc_htole32(AHC_DMA_LAST_SEG);
@@ -1516,33 +1504,6 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
 		 */
 		scb->hscb->dataptr = scb->sg_list->addr;
 		scb->hscb->datacnt = scb->sg_list->len;
-	} else if (cmd->request_bufflen != 0) {
-		struct	 ahc_dma_seg *sg;
-		dma_addr_t addr;
-
-		sg = scb->sg_list;
-		addr = pci_map_single(ahc->dev_softc,
-				      cmd->request_buffer,
-				      cmd->request_bufflen,
-				      cmd->sc_data_direction);
-		scb->platform_data->buf_busaddr = addr;
-		scb->sg_count = ahc_linux_map_seg(ahc, scb,
-						  sg, addr,
-						  cmd->request_bufflen);
-		sg->len |= ahc_htole32(AHC_DMA_LAST_SEG);
-
-		/*
-		 * Reset the sg list pointer.
-		 */
-		scb->hscb->sgptr =
-			ahc_htole32(scb->sg_list_phys | SG_FULL_RESID);
-
-		/*
-		 * Copy the first SG into the "current"
-		 * data pointer area.
-		 */
-		scb->hscb->dataptr = sg->addr;
-		scb->hscb->datacnt = sg->len;
 	} else {
 		scb->hscb->sgptr = ahc_htole32(SG_LIST_NULL);
 		scb->hscb->dataptr = 0;

drivers/scsi/aic7xxx/aic7xxx_osm.h

@@ -751,7 +751,7 @@ int ahc_get_transfer_dir(struct scb *scb)
 static __inline
 void ahc_set_residual(struct scb *scb, u_long resid)
 {
-	scb->io_ctx->resid = resid;
+	scsi_set_resid(scb->io_ctx, resid);
 }
 
 static __inline
@@ -763,7 +763,7 @@ void ahc_set_sense_residual(struct scb *scb, u_long resid)
 static __inline
 u_long ahc_get_residual(struct scb *scb)
 {
-	return (scb->io_ctx->resid);
+	return scsi_get_resid(scb->io_ctx);
 }
 
 static __inline

drivers/scsi/aic7xxx_old.c

@@ -2690,17 +2690,8 @@ aic7xxx_done(struct aic7xxx_host *p, struct aic7xxx_scb *scb)
 	struct aic7xxx_scb *scbp;
 	unsigned char queue_depth;
 
-  if (cmd->use_sg > 1)
-  {
-    struct scatterlist *sg;
+        scsi_dma_unmap(cmd);
 
-    sg = (struct scatterlist *)cmd->request_buffer;
-    pci_unmap_sg(p->pdev, sg, cmd->use_sg, cmd->sc_data_direction);
-  }
-  else if (cmd->request_bufflen)
-    pci_unmap_single(p->pdev, aic7xxx_mapping(cmd),
-		     cmd->request_bufflen,
-                     cmd->sc_data_direction);
   if (scb->flags & SCB_SENSE)
   {
     pci_unmap_single(p->pdev,
@@ -3869,7 +3860,7 @@ aic7xxx_calculate_residual (struct aic7xxx_host *p, struct aic7xxx_scb *scb)
        * the mid layer didn't check residual data counts to see if the
        * command needs retried.
        */
-      cmd->resid = scb->sg_length - actual;
+      scsi_set_resid(cmd, scb->sg_length - actual);
       aic7xxx_status(cmd) = hscb->target_status;
     }
   }
@@ -6581,7 +6572,7 @@ aic7xxx_slave_alloc(struct scsi_device *SDptr)
   struct aic7xxx_host *p = (struct aic7xxx_host *)SDptr->host->hostdata;
   struct aic_dev_data *aic_dev;
 
-  aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_ATOMIC | GFP_KERNEL);
+  aic_dev = kmalloc(sizeof(struct aic_dev_data), GFP_KERNEL);
   if(!aic_dev)
     return 1;
   /*
@@ -10137,6 +10128,7 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd,
   struct scsi_device *sdptr = cmd->device;
   unsigned char tindex = TARGET_INDEX(cmd);
   struct request *req = cmd->request;
+  int use_sg;
 
   mask = (0x01 << tindex);
   hscb = scb->hscb;
@@ -10209,8 +10201,10 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd,
   memcpy(scb->cmnd, cmd->cmnd, cmd->cmd_len);
   hscb->SCSI_cmd_pointer = cpu_to_le32(SCB_DMA_ADDR(scb, scb->cmnd));
 
-  if (cmd->use_sg)
-  {
+  use_sg = scsi_dma_map(cmd);
+  BUG_ON(use_sg < 0);
+
+  if (use_sg) {
     struct scatterlist *sg;  /* Must be mid-level SCSI code scatterlist */
 
     /*
@@ -10219,11 +10213,11 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd,
      * differences and the kernel SG list uses virtual addresses where
      * we need physical addresses.
      */
-    int i, use_sg;
+    int i;
 
-    sg = (struct scatterlist *)cmd->request_buffer;
     scb->sg_length = 0;
-    use_sg = pci_map_sg(p->pdev, sg, cmd->use_sg, cmd->sc_data_direction);
+
+
     /*
      * Copy the segments into the SG array.  NOTE!!! - We used to
      * have the first entry both in the data_pointer area and the first
@@ -10231,10 +10225,9 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd,
      * entry in both places, but now we download the address of
      * scb->sg_list[1] instead of 0 to the sg pointer in the hscb.
      */
-    for (i = 0; i < use_sg; i++)
-    {
-      unsigned int len = sg_dma_len(sg+i);
-      scb->sg_list[i].address = cpu_to_le32(sg_dma_address(sg+i));
+    scsi_for_each_sg(cmd, sg, use_sg, i) {
+      unsigned int len = sg_dma_len(sg);
+      scb->sg_list[i].address = cpu_to_le32(sg_dma_address(sg));
       scb->sg_list[i].length = cpu_to_le32(len);
       scb->sg_length += len;
     }
@@ -10244,33 +10237,13 @@ static void aic7xxx_buildscb(struct aic7xxx_host *p, struct scsi_cmnd *cmd,
     scb->sg_count = i;
     hscb->SG_segment_count = i;
     hscb->SG_list_pointer = cpu_to_le32(SCB_DMA_ADDR(scb, &scb->sg_list[1]));
-  }
-  else
-  {
-    if (cmd->request_bufflen)
-    {
-      unsigned int address = pci_map_single(p->pdev, cmd->request_buffer,
-					    cmd->request_bufflen,
-                                            cmd->sc_data_direction);
-      aic7xxx_mapping(cmd) = address;
-      scb->sg_list[0].address = cpu_to_le32(address);
-      scb->sg_list[0].length = cpu_to_le32(cmd->request_bufflen);
-      scb->sg_count = 1;
-      scb->sg_length = cmd->request_bufflen;
-      hscb->SG_segment_count = 1;
-      hscb->SG_list_pointer = cpu_to_le32(SCB_DMA_ADDR(scb, &scb->sg_list[0]));
-      hscb->data_count = scb->sg_list[0].length;
-      hscb->data_pointer = scb->sg_list[0].address;
-    }
-    else
-    {
+  } else {
       scb->sg_count = 0;
       scb->sg_length = 0;
       hscb->SG_segment_count = 0;
       hscb->SG_list_pointer = 0;
       hscb->data_count = 0;
       hscb->data_pointer = 0;
-    }
   }
 }
 

drivers/scsi/amiga7xx.c

@@ -1,138 +0,0 @@
-/*
- * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
- *		Amiga MacroSystemUS WarpEngine SCSI controller.
- *		Amiga Technologies A4000T SCSI controller.
- *		Amiga Technologies/DKB A4091 SCSI controller.
- *
- * Written 1997 by Alan Hourihane <alanh@fairlite.demon.co.uk>
- * plus modifications of the 53c7xx.c driver to support the Amiga.
- */
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/blkdev.h>
-#include <linux/zorro.h>
-#include <linux/stat.h>
-
-#include <asm/setup.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/amigaints.h>
-#include <asm/amigahw.h>
-#include <asm/dma.h>
-#include <asm/irq.h>
-
-#include "scsi.h"
-#include <scsi/scsi_host.h>
-#include "53c7xx.h"
-#include "amiga7xx.h"
-
-
-static int amiga7xx_register_one(struct scsi_host_template *tpnt,
-				 unsigned long address)
-{
-    long long options;
-    int clock;
-
-    if (!request_mem_region(address, 0x1000, "ncr53c710"))
-	return 0;
-
-    address = (unsigned long)z_ioremap(address, 0x1000);
-    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 | OPTION_INTFLY |
-	      OPTION_SYNCHRONOUS | OPTION_ALWAYS_SYNCHRONOUS |
-	      OPTION_DISCONNECT;
-    clock = 50000000;	/* 50 MHz SCSI Clock */
-    ncr53c7xx_init(tpnt, 0, 710, address, 0, IRQ_AMIGA_PORTS, DMA_NONE,
-		   options, clock);
-    return 1;
-}
-
-
-#ifdef CONFIG_ZORRO
-
-static struct {
-    zorro_id id;
-    unsigned long offset;
-    int absolute;	/* offset is absolute address */
-} amiga7xx_table[] = {
-    { .id = ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS, .offset = 0xf40000,
-      .absolute = 1 },
-    { .id = ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx, .offset = 0x40000 },
-    { .id = ZORRO_PROD_CBM_A4091_1, .offset = 0x800000 },
-    { .id = ZORRO_PROD_CBM_A4091_2, .offset = 0x800000 },
-    { .id = ZORRO_PROD_GVP_GFORCE_040_060, .offset = 0x40000 },
-    { 0 }
-};
-
-static int __init amiga7xx_zorro_detect(struct scsi_host_template *tpnt)
-{
-    int num = 0, i;
-    struct zorro_dev *z = NULL;
-    unsigned long address;
-
-    while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-	for (i = 0; amiga7xx_table[i].id; i++)
-	    if (z->id == amiga7xx_table[i].id)
-		break;
-	if (!amiga7xx_table[i].id)
-	    continue;
-	if (amiga7xx_table[i].absolute)
-	    address = amiga7xx_table[i].offset;
-	else
-	    address = z->resource.start + amiga7xx_table[i].offset;
-	num += amiga7xx_register_one(tpnt, address);
-    }
-    return num;
-}
-
-#endif /* CONFIG_ZORRO */
-
-
-int __init amiga7xx_detect(struct scsi_host_template *tpnt)
-{
-    static unsigned char called = 0;
-    int num = 0;
-
-    if (called || !MACH_IS_AMIGA)
-	return 0;
-
-    tpnt->proc_name = "Amiga7xx";
-
-    if (AMIGAHW_PRESENT(A4000_SCSI))
-	num += amiga7xx_register_one(tpnt, 0xdd0040);
-
-#ifdef CONFIG_ZORRO
-    num += amiga7xx_zorro_detect(tpnt);
-#endif
-
-    called = 1;
-    return num;
-}
-
-static int amiga7xx_release(struct Scsi_Host *shost)
-{
-	if (shost->irq)
-		free_irq(shost->irq, NULL);
-	if (shost->dma_channel != 0xff)
-		free_dma(shost->dma_channel);
-	if (shost->io_port && shost->n_io_port)
-		release_region(shost->io_port, shost->n_io_port);
-	scsi_unregister(shost);
-	return 0;
-}
-
-static struct scsi_host_template driver_template = {
-	.name			= "Amiga NCR53c710 SCSI",
-	.detect			= amiga7xx_detect,
-	.release		= amiga7xx_release,
-	.queuecommand		= NCR53c7xx_queue_command,
-	.abort			= NCR53c7xx_abort,
-	.reset			= NCR53c7xx_reset,
-	.can_queue		= 24,
-	.this_id		= 7,
-	.sg_tablesize		= 63,
-	.cmd_per_lun		= 3,
-	.use_clustering		= DISABLE_CLUSTERING
-};
-
-
-#include "scsi_module.c"

drivers/scsi/amiga7xx.h

@@ -1,23 +0,0 @@
-#ifndef AMIGA7XX_H
-
-#include <linux/types.h>
-
-int amiga7xx_detect(struct scsi_host_template *);
-const char *NCR53c7x0_info(void);
-int NCR53c7xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-int NCR53c7xx_abort(Scsi_Cmnd *);
-int NCR53c7x0_release (struct Scsi_Host *);
-int NCR53c7xx_reset(Scsi_Cmnd *, unsigned int);
-void NCR53c7x0_intr(int irq, void *dev_id);
-
-#ifndef CMD_PER_LUN
-#define CMD_PER_LUN 3
-#endif
-
-#ifndef CAN_QUEUE
-#define CAN_QUEUE 24
-#endif
-
-#include <scsi/scsicam.h>
-
-#endif /* AMIGA7XX_H */

drivers/scsi/arcmsr/arcmsr.h

@@ -48,9 +48,10 @@ struct class_device_attribute;
 
 #define ARCMSR_MAX_OUTSTANDING_CMD 						256
 #define ARCMSR_MAX_FREECCB_NUM							288
-#define ARCMSR_DRIVER_VERSION				"Driver Version 1.20.00.13"
+#define ARCMSR_DRIVER_VERSION				"Driver Version 1.20.00.14"
 #define ARCMSR_SCSI_INITIATOR_ID						255
 #define ARCMSR_MAX_XFER_SECTORS							512
+#define ARCMSR_MAX_XFER_SECTORS_B                                              4096
 #define ARCMSR_MAX_TARGETID							 17
 #define ARCMSR_MAX_TARGETLUN							  8
 #define ARCMSR_MAX_CMD_PERLUN				 ARCMSR_MAX_OUTSTANDING_CMD
@@ -469,4 +470,3 @@ extern void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb);
 extern struct class_device_attribute *arcmsr_host_attrs[];
 extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb);
 void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
-

drivers/scsi/arcmsr/arcmsr_hba.c

@@ -57,6 +57,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/timer.h>
 #include <linux/pci.h>
+#include <linux/aer.h>
 #include <asm/dma.h>
 #include <asm/io.h>
 #include <asm/system.h>
@@ -71,7 +72,7 @@
 #include "arcmsr.h"
 
 MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx) SATA RAID HOST Adapter");
+MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(ARCMSR_DRIVER_VERSION);
 
@@ -93,7 +94,9 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb);
 static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb);
 static const char *arcmsr_info(struct Scsi_Host *);
 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
-
+static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
+						pci_channel_state_t state);
+static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
 static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
 {
 	if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
@@ -104,7 +107,8 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_de
 
 static struct scsi_host_template arcmsr_scsi_host_template = {
 	.module			= THIS_MODULE,
-	.name			= "ARCMSR ARECA SATA RAID HOST Adapter" ARCMSR_DRIVER_VERSION,
+	.name			= "ARCMSR ARECA SATA/SAS RAID HOST Adapter"
+							ARCMSR_DRIVER_VERSION,
 	.info			= arcmsr_info,
 	.queuecommand		= arcmsr_queue_command,
 	.eh_abort_handler	= arcmsr_abort,
@@ -119,6 +123,10 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
 	.use_clustering		= ENABLE_CLUSTERING,
 	.shost_attrs		= arcmsr_host_attrs,
 };
+static struct pci_error_handlers arcmsr_pci_error_handlers = {
+	.error_detected		= arcmsr_pci_error_detected,
+	.slot_reset		= arcmsr_pci_slot_reset,
+};
 
 static struct pci_device_id arcmsr_device_id_table[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
@@ -144,7 +152,8 @@ static struct pci_driver arcmsr_pci_driver = {
 	.id_table		= arcmsr_device_id_table,
 	.probe			= arcmsr_probe,
 	.remove			= arcmsr_remove,
-	.shutdown		= arcmsr_shutdown
+	.shutdown		= arcmsr_shutdown,
+	.err_handler		= &arcmsr_pci_error_handlers,
 };
 
 static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
@@ -328,6 +337,8 @@ static int arcmsr_probe(struct pci_dev *pdev,
 
 	arcmsr_iop_init(acb);
 	pci_set_drvdata(pdev, host);
+	if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
+		host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B;
 
 	error = scsi_add_host(host, &pdev->dev);
 	if (error)
@@ -338,6 +349,7 @@ static int arcmsr_probe(struct pci_dev *pdev,
 		goto out_free_sysfs;
 
 	scsi_scan_host(host);
+	pci_enable_pcie_error_reporting(pdev);
 	return 0;
  out_free_sysfs:
  out_free_irq:
@@ -369,19 +381,9 @@ static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
 
 static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
 {
-	struct AdapterControlBlock *acb = ccb->acb;
 	struct scsi_cmnd *pcmd = ccb->pcmd;
 
-	if (pcmd->use_sg != 0) {
-		struct scatterlist *sl;
-
-		sl = (struct scatterlist *)pcmd->request_buffer;
-		pci_unmap_sg(acb->pdev, sl, pcmd->use_sg, pcmd->sc_data_direction);
-	}
-	else if (pcmd->request_bufflen != 0)
-		pci_unmap_single(acb->pdev,
-			pcmd->SCp.dma_handle,
-			pcmd->request_bufflen, pcmd->sc_data_direction);
+	scsi_dma_unmap(pcmd);
 }
 
 static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
@@ -498,7 +500,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
 
 static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
 {
-	struct MessageUnit __iomem *reg=acb->pmu;
+	struct MessageUnit __iomem *reg = acb->pmu;
 
 	writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
 	if (arcmsr_wait_msgint_ready(acb))
@@ -551,6 +553,7 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
 	int8_t *psge = (int8_t *)&arcmsr_cdb->u;
 	uint32_t address_lo, address_hi;
 	int arccdbsize = 0x30;
+	int nseg;
 
 	ccb->pcmd = pcmd;
 	memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB));
@@ -561,20 +564,20 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
 	arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
 	arcmsr_cdb->Context = (unsigned long)arcmsr_cdb;
 	memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
-	if (pcmd->use_sg) {
-		int length, sgcount, i, cdb_sgcount = 0;
-		struct scatterlist *sl;
-
-		/* Get Scatter Gather List from scsiport. */
-		sl = (struct scatterlist *) pcmd->request_buffer;
-		sgcount = pci_map_sg(acb->pdev, sl, pcmd->use_sg,
-				pcmd->sc_data_direction);
+
+	nseg = scsi_dma_map(pcmd);
+	BUG_ON(nseg < 0);
+
+	if (nseg) {
+		int length, i, cdb_sgcount = 0;
+		struct scatterlist *sg;
+
 		/* map stor port SG list to our iop SG List. */
-		for (i = 0; i < sgcount; i++) {
+		scsi_for_each_sg(pcmd, sg, nseg, i) {
 			/* Get the physical address of the current data pointer */
-			length = cpu_to_le32(sg_dma_len(sl));
-			address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sl)));
-			address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sl)));
+			length = cpu_to_le32(sg_dma_len(sg));
+			address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg)));
+			address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
 			if (address_hi == 0) {
 				struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
 
@@ -591,32 +594,12 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
 				psge += sizeof (struct SG64ENTRY);
 				arccdbsize += sizeof (struct SG64ENTRY);
 			}
-			sl++;
 			cdb_sgcount++;
 		}
 		arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount;
-		arcmsr_cdb->DataLength = pcmd->request_bufflen;
+		arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
 		if ( arccdbsize > 256)
 			arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
-	} else if (pcmd->request_bufflen) {
-		dma_addr_t dma_addr;
-		dma_addr = pci_map_single(acb->pdev, pcmd->request_buffer,
-				pcmd->request_bufflen, pcmd->sc_data_direction);
-		pcmd->SCp.dma_handle = dma_addr;
-		address_lo = cpu_to_le32(dma_addr_lo32(dma_addr));
-		address_hi = cpu_to_le32(dma_addr_hi32(dma_addr));
-		if (address_hi == 0) {
-			struct  SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
-			pdma_sg->address = address_lo;
-			pdma_sg->length = pcmd->request_bufflen;
-		} else {
-			struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
-			pdma_sg->addresshigh = address_hi;
-			pdma_sg->address = address_lo;
-			pdma_sg->length = pcmd->request_bufflen|IS_SG64_ADDR;
-		}
-		arcmsr_cdb->sgcount = 1;
-		arcmsr_cdb->DataLength = pcmd->request_bufflen;
 	}
 	if (pcmd->sc_data_direction == DMA_TO_DEVICE ) {
 		arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
@@ -747,7 +730,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
 		int id, lun;
 		/*
 		****************************************************************
-		**               areca cdb command done
+		**	      areca cdb command done
 		****************************************************************
 		*/
 		while (1) {
@@ -758,20 +741,20 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
 				(flag_ccb << 5));
 			if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
 				if (ccb->startdone == ARCMSR_CCB_ABORTED) {
-					struct scsi_cmnd *abortcmd=ccb->pcmd;
+					struct scsi_cmnd *abortcmd = ccb->pcmd;
 					if (abortcmd) {
 					abortcmd->result |= DID_ABORT >> 16;
 					arcmsr_ccb_complete(ccb, 1);
 					printk(KERN_NOTICE
-						"arcmsr%d: ccb='0x%p' isr got aborted command \n"
+						"arcmsr%d: ccb ='0x%p' isr got aborted command \n"
 						, acb->host->host_no, ccb);
 					}
 					continue;
 				}
 				printk(KERN_NOTICE
-					"arcmsr%d: isr get an illegal ccb command done acb='0x%p'"
-					"ccb='0x%p' ccbacb='0x%p' startdone = 0x%x"
-					" ccboutstandingcount=%d \n"
+					"arcmsr%d: isr get an illegal ccb command done acb = '0x%p'"
+					"ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
+					" ccboutstandingcount = %d \n"
 					, acb->host->host_no
 					, acb
 					, ccb
@@ -791,7 +774,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
 				switch(ccb->arcmsr_cdb.DeviceStatus) {
 				case ARCMSR_DEV_SELECT_TIMEOUT: {
 						acb->devstate[id][lun] = ARECA_RAID_GONE;
-						ccb->pcmd->result = DID_TIME_OUT << 16;
+						ccb->pcmd->result = DID_NO_CONNECT << 16;
 						arcmsr_ccb_complete(ccb, 1);
 					}
 					break;
@@ -810,8 +793,8 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
 					break;
 				default:
 					printk(KERN_NOTICE
-						"arcmsr%d: scsi id=%d lun=%d"
-						" isr get command error done,"
+						"arcmsr%d: scsi id = %d lun = %d"
+						" isr get command error done, "
 						"but got unknown DeviceStatus = 0x%x \n"
 						, acb->host->host_no
 						, id
@@ -848,24 +831,21 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
 	struct CMD_MESSAGE_FIELD *pcmdmessagefld;
 	int retvalue = 0, transfer_len = 0;
 	char *buffer;
+	struct scatterlist *sg;
 	uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 |
 						(uint32_t ) cmd->cmnd[6] << 16 |
 						(uint32_t ) cmd->cmnd[7] << 8  |
 						(uint32_t ) cmd->cmnd[8];
 					/* 4 bytes: Areca io control code */
-	if (cmd->use_sg) {
-		struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
 
-		buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
-		if (cmd->use_sg > 1) {
-			retvalue = ARCMSR_MESSAGE_FAIL;
-			goto message_out;
-		}
-		transfer_len += sg->length;
-	} else {
-		buffer = cmd->request_buffer;
-		transfer_len = cmd->request_bufflen;
+	sg = scsi_sglist(cmd);
+	buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+	if (scsi_sg_count(cmd) > 1) {
+		retvalue = ARCMSR_MESSAGE_FAIL;
+		goto message_out;
 	}
+	transfer_len += sg->length;
+
 	if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
 		retvalue = ARCMSR_MESSAGE_FAIL;
 		goto message_out;
@@ -1057,12 +1037,9 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
 		retvalue = ARCMSR_MESSAGE_FAIL;
 	}
  message_out:
-	if (cmd->use_sg) {
-		struct scatterlist *sg;
+	sg = scsi_sglist(cmd);
+	kunmap_atomic(buffer - sg->offset, KM_IRQ0);
 
-		sg = (struct scatterlist *) cmd->request_buffer;
-		kunmap_atomic(buffer - sg->offset, KM_IRQ0);
-	}
 	return retvalue;
 }
 
@@ -1085,6 +1062,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
 	case INQUIRY: {
 		unsigned char inqdata[36];
 		char *buffer;
+		struct scatterlist *sg;
 
 		if (cmd->device->lun) {
 			cmd->result = (DID_TIME_OUT << 16);
@@ -1096,7 +1074,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
 		inqdata[1] = 0;
 		/* rem media bit & Dev Type Modifier */
 		inqdata[2] = 0;
-		/* ISO,ECMA,& ANSI versions */
+		/* ISO, ECMA, & ANSI versions */
 		inqdata[4] = 31;
 		/* length of additional data */
 		strncpy(&inqdata[8], "Areca   ", 8);
@@ -1104,21 +1082,14 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
 		strncpy(&inqdata[16], "RAID controller ", 16);
 		/* Product Identification */
 		strncpy(&inqdata[32], "R001", 4); /* Product Revision */
-		if (cmd->use_sg) {
-			struct scatterlist *sg;
 
-			sg = (struct scatterlist *) cmd->request_buffer;
-			buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
-		} else {
-			buffer = cmd->request_buffer;
-		}
+		sg = scsi_sglist(cmd);
+		buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+
 		memcpy(buffer, inqdata, sizeof(inqdata));
-		if (cmd->use_sg) {
-			struct scatterlist *sg;
+		sg = scsi_sglist(cmd);
+		kunmap_atomic(buffer - sg->offset, KM_IRQ0);
 
-			sg = (struct scatterlist *) cmd->request_buffer;
-			kunmap_atomic(buffer - sg->offset, KM_IRQ0);
-		}
 		cmd->scsi_done(cmd);
 	}
 	break;
@@ -1153,7 +1124,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
 			, acb->host->host_no);
 		return SCSI_MLQUEUE_HOST_BUSY;
 	}
-	if(target == 16) {
+	if (target == 16) {
 		/* virtual device for iop message transfer */
 		arcmsr_handle_virtual_command(acb, cmd);
 		return 0;
@@ -1166,7 +1137,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
 			printk(KERN_NOTICE
 				"arcmsr%d: block 'read/write'"
 				"command with gone raid volume"
-				" Cmd=%2x, TargetId=%d, Lun=%d \n"
+				" Cmd = %2x, TargetId = %d, Lun = %d \n"
 				, acb->host->host_no
 				, cmd->cmnd[0]
 				, target, lun);
@@ -1257,7 +1228,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
 			if ((ccb->startdone == ARCMSR_CCB_ABORTED) ||
 				(ccb == poll_ccb)) {
 				printk(KERN_NOTICE
-					"arcmsr%d: scsi id=%d lun=%d ccb='0x%p'"
+					"arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
 					" poll command abort successfully \n"
 					, acb->host->host_no
 					, ccb->pcmd->device->id
@@ -1270,8 +1241,8 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
 			}
 			printk(KERN_NOTICE
 				"arcmsr%d: polling get an illegal ccb"
-				" command done ccb='0x%p'"
-				"ccboutstandingcount=%d \n"
+				" command done ccb ='0x%p'"
+				"ccboutstandingcount = %d \n"
 				, acb->host->host_no
 				, ccb
 				, atomic_read(&acb->ccboutstandingcount));
@@ -1288,7 +1259,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
 			switch(ccb->arcmsr_cdb.DeviceStatus) {
 			case ARCMSR_DEV_SELECT_TIMEOUT: {
 					acb->devstate[id][lun] = ARECA_RAID_GONE;
-					ccb->pcmd->result = DID_TIME_OUT << 16;
+					ccb->pcmd->result = DID_NO_CONNECT << 16;
 					arcmsr_ccb_complete(ccb, 1);
 				}
 				break;
@@ -1307,7 +1278,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
 				break;
 			default:
 				printk(KERN_NOTICE
-					"arcmsr%d: scsi id=%d lun=%d"
+					"arcmsr%d: scsi id = %d lun = %d"
 					" polling and getting command error done"
 					"but got unknown DeviceStatus = 0x%x \n"
 					, acb->host->host_no
@@ -1322,6 +1293,94 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
 		}
 	}
 }
+static void arcmsr_done4_abort_postqueue(struct AdapterControlBlock *acb)
+{
+	int i = 0, found = 0;
+	int id, lun;
+	uint32_t flag_ccb, outbound_intstatus;
+	struct MessageUnit __iomem *reg = acb->pmu;
+	struct CommandControlBlock *ccb;
+	/*clear and abort all outbound posted Q*/
+
+	while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
+(i++ < 256)){
+		ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
+(flag_ccb << 5));
+	if (ccb){
+		if ((ccb->acb != acb)||(ccb->startdone != \
+ARCMSR_CCB_START)){
+				printk(KERN_NOTICE "arcmsr%d: polling get \
+an illegal ccb" "command done ccb = '0x%p'""ccboutstandingcount = %d \n",
+					acb->host->host_no, ccb,
+					atomic_read(&acb->ccboutstandingcount));
+				continue;
+			}
+
+			id = ccb->pcmd->device->id;
+			lun = ccb->pcmd->device->lun;
+			if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)){
+				if (acb->devstate[id][lun] == ARECA_RAID_GONE)
+					acb->devstate[id][lun] = ARECA_RAID_GOOD;
+				ccb->pcmd->result = DID_OK << 16;
+				arcmsr_ccb_complete(ccb, 1);
+			}
+			else {
+				switch(ccb->arcmsr_cdb.DeviceStatus) {
+				case ARCMSR_DEV_SELECT_TIMEOUT: {
+						acb->devstate[id][lun] = ARECA_RAID_GONE;
+						ccb->pcmd->result = DID_NO_CONNECT << 16;
+						arcmsr_ccb_complete(ccb, 1);
+				}
+				break;
+
+				case ARCMSR_DEV_ABORTED:
+
+				case ARCMSR_DEV_INIT_FAIL: {
+						acb->devstate[id][lun] =
+							ARECA_RAID_GONE;
+						ccb->pcmd->result =
+							DID_BAD_TARGET << 16;
+				arcmsr_ccb_complete(ccb, 1);
+				}
+				break;
+
+				case ARCMSR_DEV_CHECK_CONDITION: {
+						acb->devstate[id][lun] =
+							ARECA_RAID_GOOD;
+						arcmsr_report_sense_info(ccb);
+						arcmsr_ccb_complete(ccb, 1);
+				}
+				break;
+
+				default:
+						printk(KERN_NOTICE
+						      "arcmsr%d: scsi id = %d \
+							lun = %d""polling and \
+							getting command error \
+							done""but got unknown \
+							DeviceStatus = 0x%x \n",
+							acb->host->host_no, id,
+					   lun, ccb->arcmsr_cdb.DeviceStatus);
+						acb->devstate[id][lun] =
+								ARECA_RAID_GONE;
+						ccb->pcmd->result =
+							DID_BAD_TARGET << 16;
+						arcmsr_ccb_complete(ccb, 1);
+				break;
+			       }
+	}
+		       found = 1;
+	       }
+	}
+	if (found){
+		outbound_intstatus = readl(&reg->outbound_intstatus) & \
+			acb->outbound_int_enable;
+		writel(outbound_intstatus, &reg->outbound_intstatus);
+		/*clear interrupt*/
+	}
+	return;
+}
+
 
 static void arcmsr_iop_init(struct AdapterControlBlock *acb)
 {
@@ -1355,7 +1414,6 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
 
 static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
 {
-	struct MessageUnit __iomem *reg = acb->pmu;
 	struct CommandControlBlock *ccb;
 	uint32_t intmask_org;
 	int i = 0;
@@ -1368,21 +1426,17 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
 		/* disable all outbound interrupt */
 		intmask_org = arcmsr_disable_outbound_ints(acb);
 		/* clear all outbound posted Q */
-		for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++)
-			readl(&reg->outbound_queueport);
+		arcmsr_done4_abort_postqueue(acb);
 		for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
 			ccb = acb->pccb_pool[i];
-			if ((ccb->startdone == ARCMSR_CCB_START) ||
-				(ccb->startdone == ARCMSR_CCB_ABORTED)) {
+			if (ccb->startdone == ARCMSR_CCB_START) {
 				ccb->startdone = ARCMSR_CCB_ABORTED;
-				ccb->pcmd->result = DID_ABORT << 16;
-				arcmsr_ccb_complete(ccb, 1);
 			}
 		}
 		/* enable all outbound interrupt */
 		arcmsr_enable_outbound_ints(acb, intmask_org);
 	}
-	atomic_set(&acb->ccboutstandingcount, 0);
+
 }
 
 static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
@@ -1428,10 +1482,9 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
 	int i = 0;
 
 	printk(KERN_NOTICE
-		"arcmsr%d: abort device command of scsi id=%d lun=%d \n",
+		"arcmsr%d: abort device command of scsi id = %d lun = %d \n",
 		acb->host->host_no, cmd->device->id, cmd->device->lun);
 	acb->num_aborts++;
-
 	/*
 	************************************************
 	** the all interrupt service routine is locked
@@ -1486,10 +1539,306 @@ static const char *arcmsr_info(struct Scsi_Host *host)
 		type = "X-TYPE";
 		break;
 	}
-	sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n        %s",
+	sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s",
 			type, raid6 ? "( RAID6 capable)" : "",
 			ARCMSR_DRIVER_VERSION);
 	return buf;
 }
 
+static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev)
+{
+	struct Scsi_Host *host;
+	struct AdapterControlBlock *acb;
+	uint8_t bus, dev_fun;
+	int error;
+
+	error = pci_enable_device(pdev);
+	if (error)
+		return PCI_ERS_RESULT_DISCONNECT;
+	pci_set_master(pdev);
+
+	host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof \
+(struct AdapterControlBlock));
+	if (!host)
+		return PCI_ERS_RESULT_DISCONNECT;
+	acb = (struct AdapterControlBlock *)host->hostdata;
+	memset(acb, 0, sizeof (struct AdapterControlBlock));
+
+	error = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+	if (error) {
+		error = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+		if (error) {
+			printk(KERN_WARNING
+			       "scsi%d: No suitable DMA mask available\n",
+			       host->host_no);
+			return PCI_ERS_RESULT_DISCONNECT;
+		}
+	}
+	bus = pdev->bus->number;
+	dev_fun = pdev->devfn;
+	acb = (struct AdapterControlBlock *) host->hostdata;
+	memset(acb, 0, sizeof(struct AdapterControlBlock));
+	acb->pdev = pdev;
+	acb->host = host;
+	host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
+	host->max_lun = ARCMSR_MAX_TARGETLUN;
+	host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/
+	host->max_cmd_len = 16;    /*this is issue of 64bit LBA, over 2T byte*/
+	host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES;
+	host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
+	host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
+	host->this_id = ARCMSR_SCSI_INITIATOR_ID;
+	host->unique_id = (bus << 8) | dev_fun;
+	host->irq = pdev->irq;
+	error = pci_request_regions(pdev, "arcmsr");
+	if (error)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	acb->pmu = ioremap(pci_resource_start(pdev, 0),
+			   pci_resource_len(pdev, 0));
+	if (!acb->pmu) {
+		printk(KERN_NOTICE "arcmsr%d: memory"
+			" mapping region fail \n", acb->host->host_no);
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+	acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
+			   ACB_F_MESSAGE_RQBUFFER_CLEARED |
+			   ACB_F_MESSAGE_WQBUFFER_READED);
+	acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
+	INIT_LIST_HEAD(&acb->ccb_free_list);
+
+	error = arcmsr_alloc_ccb_pool(acb);
+	if (error)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	error = request_irq(pdev->irq, arcmsr_do_interrupt,
+			IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb);
+	if (error)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	arcmsr_iop_init(acb);
+	if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
+	      host->max_sectors = ARCMSR_MAX_XFER_SECTORS_B;
+
+	pci_set_drvdata(pdev, host);
+
+	error = scsi_add_host(host, &pdev->dev);
+	if (error)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	error = arcmsr_alloc_sysfs_attr(acb);
+	if (error)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	scsi_scan_host(host);
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
+static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev)
+{
+	struct Scsi_Host *host = pci_get_drvdata(pdev);
+	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+	struct MessageUnit __iomem *reg = acb->pmu;
+	struct CommandControlBlock *ccb;
+	/*clear and abort all outbound posted Q*/
+	int i = 0, found = 0;
+	int id, lun;
+	uint32_t flag_ccb, outbound_intstatus;
+
+	while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
+								(i++ < 256)){
+			ccb = (struct CommandControlBlock *)(acb->vir2phy_offset
+							 + (flag_ccb << 5));
+			if (ccb){
+				if ((ccb->acb != acb)||(ccb->startdone !=
+							ARCMSR_CCB_START)){
+					printk(KERN_NOTICE "arcmsr%d: polling \
+					get an illegal ccb"" command done ccb = '0x%p'"
+					"ccboutstandingcount = %d \n",
+					acb->host->host_no, ccb,
+					atomic_read(&acb->ccboutstandingcount));
+					continue;
+				}
 
+				id = ccb->pcmd->device->id;
+				lun = ccb->pcmd->device->lun;
+				if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
+					if (acb->devstate[id][lun] ==
+								ARECA_RAID_GONE)
+						acb->devstate[id][lun] =
+								ARECA_RAID_GOOD;
+					ccb->pcmd->result = DID_OK << 16;
+					arcmsr_ccb_complete(ccb, 1);
+				}
+				else {
+					switch(ccb->arcmsr_cdb.DeviceStatus) {
+					case ARCMSR_DEV_SELECT_TIMEOUT: {
+							acb->devstate[id][lun] =
+							ARECA_RAID_GONE;
+							ccb->pcmd->result =
+							DID_NO_CONNECT << 16;
+							arcmsr_ccb_complete(ccb, 1);
+					}
+					break;
+
+					case ARCMSR_DEV_ABORTED:
+
+					case ARCMSR_DEV_INIT_FAIL: {
+							acb->devstate[id][lun] =
+							 ARECA_RAID_GONE;
+							ccb->pcmd->result =
+							DID_BAD_TARGET << 16;
+							arcmsr_ccb_complete(ccb, 1);
+					}
+					break;
+
+					case ARCMSR_DEV_CHECK_CONDITION: {
+							acb->devstate[id][lun] =
+							 ARECA_RAID_GOOD;
+							arcmsr_report_sense_info(ccb);
+							arcmsr_ccb_complete(ccb, 1);
+					}
+					break;
+
+					default:
+							printk(KERN_NOTICE
+								"arcmsr%d: scsi \
+								id = %d lun = %d"
+								" polling and \
+								getting command \
+								error done"
+								"but got unknown \
+							DeviceStatus = 0x%x \n"
+							, acb->host->host_no,
+								id, lun,
+						ccb->arcmsr_cdb.DeviceStatus);
+							acb->devstate[id][lun] =
+								ARECA_RAID_GONE;
+							ccb->pcmd->result =
+							DID_BAD_TARGET << 16;
+							arcmsr_ccb_complete(ccb, 1);
+					break;
+					}
+				}
+				found = 1;
+			}
+		}
+	if (found){
+		outbound_intstatus = readl(&reg->outbound_intstatus) &
+							acb->outbound_int_enable;
+		writel(outbound_intstatus, &reg->outbound_intstatus);
+		/*clear interrupt*/
+		    }
+	return;
+}
+
+
+static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev)
+{
+	struct Scsi_Host *host = pci_get_drvdata(pdev);
+	struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+	struct MessageUnit __iomem *reg = acb->pmu;
+	struct CommandControlBlock *ccb;
+	/*clear and abort all outbound posted Q*/
+	int i = 0, found = 0;
+	int id, lun;
+	uint32_t flag_ccb, outbound_intstatus;
+
+	while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
+								(i++ < 256)){
+			ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
+							(flag_ccb << 5));
+			if (ccb){
+				if ((ccb->acb != acb)||(ccb->startdone !=
+							ARCMSR_CCB_START)){
+					printk(KERN_NOTICE
+						"arcmsr%d: polling get an illegal ccb"
+						" command done ccb = '0x%p'"
+						"ccboutstandingcount = %d \n",
+						acb->host->host_no, ccb,
+						atomic_read(&acb->ccboutstandingcount));
+					continue;
+			}
+
+			id = ccb->pcmd->device->id;
+			lun = ccb->pcmd->device->lun;
+			if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR))	{
+				if (acb->devstate[id][lun] == ARECA_RAID_GONE)
+					acb->devstate[id][lun] = ARECA_RAID_GOOD;
+				ccb->pcmd->result = DID_OK << 16;
+				arcmsr_ccb_complete(ccb, 1);
+			}
+			else {
+				switch(ccb->arcmsr_cdb.DeviceStatus) {
+				case ARCMSR_DEV_SELECT_TIMEOUT: {
+						acb->devstate[id][lun] =
+								ARECA_RAID_GONE;
+						ccb->pcmd->result =
+							DID_NO_CONNECT << 16;
+						arcmsr_ccb_complete(ccb, 1);
+				}
+				break;
+
+				case ARCMSR_DEV_ABORTED:
+
+				case ARCMSR_DEV_INIT_FAIL: {
+						acb->devstate[id][lun] =
+								ARECA_RAID_GONE;
+						ccb->pcmd->result =
+							DID_BAD_TARGET << 16;
+						arcmsr_ccb_complete(ccb, 1);
+				}
+				break;
+
+				case ARCMSR_DEV_CHECK_CONDITION: {
+						acb->devstate[id][lun] =
+								ARECA_RAID_GOOD;
+						arcmsr_report_sense_info(ccb);
+						arcmsr_ccb_complete(ccb, 1);
+				}
+				break;
+
+				default:
+						printk(KERN_NOTICE "arcmsr%d: \
+							scsi id = %d lun = %d"
+								" polling and \
+						getting command error done"
+								"but got unknown \
+						 DeviceStatus = 0x%x \n"
+								, acb->host->host_no,
+					id, lun, ccb->arcmsr_cdb.DeviceStatus);
+							acb->devstate[id][lun] =
+								ARECA_RAID_GONE;
+							ccb->pcmd->result =
+							DID_BAD_TARGET << 16;
+							arcmsr_ccb_complete(ccb, 1);
+				break;
+				}
+			}
+			found = 1;
+		}
+	}
+	if (found){
+		outbound_intstatus = readl(&reg->outbound_intstatus) &
+						acb->outbound_int_enable;
+		writel(outbound_intstatus, &reg->outbound_intstatus);
+		/*clear interrupt*/
+	}
+	return;
+}
+
+static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
+						pci_channel_state_t state)
+{
+	switch (state) {
+	case pci_channel_io_frozen:
+			arcmsr_pci_ers_need_reset_forepart(pdev);
+			return PCI_ERS_RESULT_NEED_RESET;
+	case pci_channel_io_perm_failure:
+			arcmsr_pci_ers_disconnect_forepart(pdev);
+			return PCI_ERS_RESULT_DISCONNECT;
+			break;
+	default:
+			return PCI_ERS_RESULT_NEED_RESET;
+	}
+}

drivers/scsi/bvme6000.c

@@ -1,76 +0,0 @@
-/*
- * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.
- *
- * Based on work by Alan Hourihane
- */
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/blkdev.h>
-#include <linux/zorro.h>
-
-#include <asm/setup.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/bvme6000hw.h>
-#include <asm/irq.h>
-
-#include "scsi.h"
-#include <scsi/scsi_host.h>
-#include "53c7xx.h"
-#include "bvme6000.h"
-
-#include<linux/stat.h>
-
-
-int bvme6000_scsi_detect(struct scsi_host_template *tpnt)
-{
-    static unsigned char called = 0;
-    int clock;
-    long long options;
-
-    if (called)
-	return 0;
-    if (!MACH_IS_BVME6000)
-	return 0;
-
-    tpnt->proc_name = "BVME6000";
-
-    options = OPTION_MEMORY_MAPPED|OPTION_DEBUG_TEST1|OPTION_INTFLY|OPTION_SYNCHRONOUS|OPTION_ALWAYS_SYNCHRONOUS|OPTION_DISCONNECT;
-
-    clock = 40000000;	/* 66MHz SCSI Clock */
-
-    ncr53c7xx_init(tpnt, 0, 710, (unsigned long)BVME_NCR53C710_BASE,
-			0, BVME_IRQ_SCSI, DMA_NONE,
-			options, clock);
-    called = 1;
-    return 1;
-}
-
-static int bvme6000_scsi_release(struct Scsi_Host *shost)
-{
-	if (shost->irq)
-		free_irq(shost->irq, NULL);
-	if (shost->dma_channel != 0xff)
-		free_dma(shost->dma_channel);
-	if (shost->io_port && shost->n_io_port)
-		release_region(shost->io_port, shost->n_io_port);
-	scsi_unregister(shost);
-	return 0;
-}
-
-static struct scsi_host_template driver_template = {
-	.name			= "BVME6000 NCR53c710 SCSI",
-	.detect			= bvme6000_scsi_detect,
-	.release		= bvme6000_scsi_release,
-	.queuecommand		= NCR53c7xx_queue_command,
-	.abort			= NCR53c7xx_abort,
-	.reset			= NCR53c7xx_reset,
-	.can_queue		= 24,
-	.this_id		= 7,
-	.sg_tablesize		= 63,
-	.cmd_per_lun		= 3,
-	.use_clustering		= DISABLE_CLUSTERING
-};
-
-
-#include "scsi_module.c"

drivers/scsi/bvme6000.h

@@ -1,24 +0,0 @@
-#ifndef BVME6000_SCSI_H
-#define BVME6000_SCSI_H
-
-#include <linux/types.h>
-
-int bvme6000_scsi_detect(struct scsi_host_template *);
-const char *NCR53c7x0_info(void);
-int NCR53c7xx_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-int NCR53c7xx_abort(Scsi_Cmnd *);
-int NCR53c7x0_release (struct Scsi_Host *);
-int NCR53c7xx_reset(Scsi_Cmnd *, unsigned int);
-void NCR53c7x0_intr(int irq, void *dev_id);
-
-#ifndef CMD_PER_LUN
-#define CMD_PER_LUN 3
-#endif
-
-#ifndef CAN_QUEUE
-#define CAN_QUEUE 24
-#endif
-
-#include <scsi/scsicam.h>
-
-#endif /* BVME6000_SCSI_H */

drivers/scsi/bvme6000_scsi.c

@@ -0,0 +1,135 @@
+/*
+ * Detection routine for the NCR53c710 based BVME6000 SCSI Controllers for Linux.
+ *
+ * Based on work by Alan Hourihane and Kars de Jong
+ *
+ * Rewritten to use 53c700.c by Richard Hirst <richard@sleepie.demon.co.uk>
+ */
+
+#include <linux/module.h>
+#include <linux/blkdev.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <asm/bvme6000hw.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_spi.h>
+
+#include "53c700.h"
+
+MODULE_AUTHOR("Richard Hirst <richard@sleepie.demon.co.uk>");
+MODULE_DESCRIPTION("BVME6000 NCR53C710 driver");
+MODULE_LICENSE("GPL");
+
+static struct scsi_host_template bvme6000_scsi_driver_template = {
+	.name			= "BVME6000 NCR53c710 SCSI",
+	.proc_name		= "BVME6000",
+	.this_id		= 7,
+	.module			= THIS_MODULE,
+};
+
+static struct platform_device *bvme6000_scsi_device;
+
+static __devinit int
+bvme6000_probe(struct device *dev)
+{
+	struct Scsi_Host * host = NULL;
+	struct NCR_700_Host_Parameters *hostdata;
+
+	if (!MACH_IS_BVME6000)
+		goto out;
+
+	hostdata = kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL);
+	if (hostdata == NULL) {
+		printk(KERN_ERR "bvme6000-scsi: "
+				"Failed to allocate host data\n");
+		goto out;
+	}
+	memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters));
+
+	/* Fill in the required pieces of hostdata */
+	hostdata->base = (void __iomem *)BVME_NCR53C710_BASE;
+	hostdata->clock = 40;	/* XXX - depends on the CPU clock! */
+	hostdata->chip710 = 1;
+	hostdata->dmode_extra = DMODE_FC2;
+	hostdata->dcntl_extra = EA_710;
+	hostdata->ctest7_extra = CTEST7_TT1;
+
+	/* and register the chip */
+	host = NCR_700_detect(&bvme6000_scsi_driver_template, hostdata, dev);
+	if (!host) {
+		printk(KERN_ERR "bvme6000-scsi: No host detected; "
+				"board configuration problem?\n");
+		goto out_free;
+	}
+	host->base = BVME_NCR53C710_BASE;
+	host->this_id = 7;
+	host->irq = BVME_IRQ_SCSI;
+	if (request_irq(BVME_IRQ_SCSI, NCR_700_intr, 0, "bvme6000-scsi",
+			host)) {
+		printk(KERN_ERR "bvme6000-scsi: request_irq failed\n");
+		goto out_put_host;
+	}
+
+	scsi_scan_host(host);
+
+	return 0;
+
+ out_put_host:
+	scsi_host_put(host);
+ out_free:
+	kfree(hostdata);
+ out:
+	return -ENODEV;
+}
+
+static __devexit int
+bvme6000_device_remove(struct device *dev)
+{
+	struct Scsi_Host *host = dev_to_shost(dev);
+	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
+
+	scsi_remove_host(host);
+	NCR_700_release(host);
+	kfree(hostdata);
+	free_irq(host->irq, host);
+
+	return 0;
+}
+
+static struct device_driver bvme6000_scsi_driver = {
+	.name	= "bvme6000-scsi",
+	.bus	= &platform_bus_type,
+	.probe	= bvme6000_probe,
+	.remove	= __devexit_p(bvme6000_device_remove),
+};
+
+static int __init bvme6000_scsi_init(void)
+{
+	int err;
+
+	err = driver_register(&bvme6000_scsi_driver);
+	if (err)
+		return err;
+
+	bvme6000_scsi_device = platform_device_register_simple("bvme6000-scsi",
+							       -1, NULL, 0);
+	if (IS_ERR(bvme6000_scsi_device)) {
+		driver_unregister(&bvme6000_scsi_driver);
+		return PTR_ERR(bvme6000_scsi_device);
+	}
+
+	return 0;
+}
+
+static void __exit bvme6000_scsi_exit(void)
+{
+	platform_device_unregister(bvme6000_scsi_device);
+	driver_unregister(&bvme6000_scsi_driver);
+}
+
+module_init(bvme6000_scsi_init);
+module_exit(bvme6000_scsi_exit);

drivers/scsi/dc395x.c

@@ -979,6 +979,7 @@ static void send_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
 static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
 		struct ScsiReqBlk *srb)
 {
+	int nseg;
 	enum dma_data_direction dir = cmd->sc_data_direction;
 	dprintkdbg(DBG_0, "build_srb: (pid#%li) <%02i-%i>\n",
 		cmd->pid, dcb->target_id, dcb->target_lun);
@@ -1000,27 +1001,30 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
 	srb->scsi_phase = PH_BUS_FREE;	/* initial phase */
 	srb->end_message = 0;
 
-	if (dir == PCI_DMA_NONE || !cmd->request_buffer) {
+	nseg = scsi_dma_map(cmd);
+	BUG_ON(nseg < 0);
+
+	if (dir == PCI_DMA_NONE || !nseg) {
 		dprintkdbg(DBG_0,
 			"build_srb: [0] len=%d buf=%p use_sg=%d !MAP=%08x\n",
-			cmd->bufflen, cmd->request_buffer,
-			cmd->use_sg, srb->segment_x[0].address);
-	} else if (cmd->use_sg) {
+			   cmd->bufflen, scsi_sglist(cmd), scsi_sg_count(cmd),
+			   srb->segment_x[0].address);
+	} else {
 		int i;
-		u32 reqlen = cmd->request_bufflen;
-		struct scatterlist *sl = (struct scatterlist *)
-					 cmd->request_buffer;
+		u32 reqlen = scsi_bufflen(cmd);
+		struct scatterlist *sg;
 		struct SGentry *sgp = srb->segment_x;
-		srb->sg_count = pci_map_sg(dcb->acb->dev, sl, cmd->use_sg,
-					   dir);
+
+		srb->sg_count = nseg;
+
 		dprintkdbg(DBG_0,
-			"build_srb: [n] len=%d buf=%p use_sg=%d segs=%d\n",
-			reqlen, cmd->request_buffer, cmd->use_sg,
-			srb->sg_count);
+			   "build_srb: [n] len=%d buf=%p use_sg=%d segs=%d\n",
+			   reqlen, scsi_sglist(cmd), scsi_sg_count(cmd),
+			   srb->sg_count);
 
-		for (i = 0; i < srb->sg_count; i++) {
-			u32 busaddr = (u32)sg_dma_address(&sl[i]);
-			u32 seglen = (u32)sl[i].length;
+		scsi_for_each_sg(cmd, sg, srb->sg_count, i) {
+			u32 busaddr = (u32)sg_dma_address(sg);
+			u32 seglen = (u32)sg->length;
 			sgp[i].address = busaddr;
 			sgp[i].length = seglen;
 			srb->total_xfer_length += seglen;
@@ -1050,23 +1054,6 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
 
 		dprintkdbg(DBG_SG, "build_srb: [n] map sg %p->%08x(%05x)\n",
 			srb->segment_x, srb->sg_bus_addr, SEGMENTX_LEN);
-	} else {
-		srb->total_xfer_length = cmd->request_bufflen;
-		srb->sg_count = 1;
-		srb->segment_x[0].address =
-			pci_map_single(dcb->acb->dev, cmd->request_buffer,
-				       srb->total_xfer_length, dir);
-
-		/* Fixup for WIDE padding - make sure length is even */
-		if (dcb->sync_period & WIDE_SYNC && srb->total_xfer_length % 2)
-			srb->total_xfer_length++;
-
-		srb->segment_x[0].length = srb->total_xfer_length;
-
-		dprintkdbg(DBG_0,
-			"build_srb: [1] len=%d buf=%p use_sg=%d map=%08x\n",
-			srb->total_xfer_length, cmd->request_buffer,
-			cmd->use_sg, srb->segment_x[0].address);
 	}
 
 	srb->request_length = srb->total_xfer_length;
@@ -2128,7 +2115,7 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
 		/*clear_fifo(acb, "DOP1"); */
 		/* KG: What is this supposed to be useful for? WIDE padding stuff? */
 		if (d_left_counter == 1 && dcb->sync_period & WIDE_SYNC
-		    && srb->cmd->request_bufflen % 2) {
+		    && scsi_bufflen(srb->cmd) % 2) {
 			d_left_counter = 0;
 			dprintkl(KERN_INFO,
 				"data_out_phase0: Discard 1 byte (0x%02x)\n",
@@ -2159,7 +2146,7 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
 			sg_update_list(srb, d_left_counter);
 			/* KG: Most ugly hack! Apparently, this works around a chip bug */
 			if ((srb->segment_x[srb->sg_index].length ==
-			     diff && srb->cmd->use_sg)
+			     diff && scsi_sg_count(srb->cmd))
 			    || ((oldxferred & ~PAGE_MASK) ==
 				(PAGE_SIZE - diff))
 			    ) {
@@ -2289,19 +2276,15 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
 				unsigned char *virt, *base = NULL;
 				unsigned long flags = 0;
 				size_t len = left_io;
+				size_t offset = srb->request_length - left_io;
+
+				local_irq_save(flags);
+				/* Assumption: it's inside one page as it's at most 4 bytes and
+				   I just assume it's on a 4-byte boundary */
+				base = scsi_kmap_atomic_sg(scsi_sglist(srb->cmd),
+							   srb->sg_count, &offset, &len);
+				virt = base + offset;
 
-				if (srb->cmd->use_sg) {
-					size_t offset = srb->request_length - left_io;
-					local_irq_save(flags);
-					/* Assumption: it's inside one page as it's at most 4 bytes and
-					   I just assume it's on a 4-byte boundary */
-					base = scsi_kmap_atomic_sg((struct scatterlist *)srb->cmd->request_buffer,
-								     srb->sg_count, &offset, &len);
-					virt = base + offset;
-				} else {
-					virt = srb->cmd->request_buffer + srb->cmd->request_bufflen - left_io;
-					len = left_io;
-				}
 				left_io -= len;
 
 				while (len) {
@@ -2341,10 +2324,8 @@ static void data_in_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
 					DC395x_write8(acb, TRM_S1040_SCSI_CONFIG2, 0);
 				}
 
-				if (srb->cmd->use_sg) {
-					scsi_kunmap_atomic_sg(base);
-					local_irq_restore(flags);
-				}
+				scsi_kunmap_atomic_sg(base);
+				local_irq_restore(flags);
 			}
 			/*printk(" %08x", *(u32*)(bus_to_virt (addr))); */
 			/*srb->total_xfer_length = 0; */
@@ -2455,7 +2436,7 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
 		 */
 		srb->state |= SRB_DATA_XFER;
 		DC395x_write32(acb, TRM_S1040_DMA_XHIGHADDR, 0);
-		if (srb->cmd->use_sg) {	/* with S/G */
+		if (scsi_sg_count(srb->cmd)) {	/* with S/G */
 			io_dir |= DMACMD_SG;
 			DC395x_write32(acb, TRM_S1040_DMA_XLOWADDR,
 				       srb->sg_bus_addr +
@@ -2513,18 +2494,14 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
 				unsigned char *virt, *base = NULL;
 				unsigned long flags = 0;
 				size_t len = left_io;
+				size_t offset = srb->request_length - left_io;
+
+				local_irq_save(flags);
+				/* Again, max 4 bytes */
+				base = scsi_kmap_atomic_sg(scsi_sglist(srb->cmd),
+							   srb->sg_count, &offset, &len);
+				virt = base + offset;
 
-				if (srb->cmd->use_sg) {
-					size_t offset = srb->request_length - left_io;
-					local_irq_save(flags);
-					/* Again, max 4 bytes */
-					base = scsi_kmap_atomic_sg((struct scatterlist *)srb->cmd->request_buffer,
-								     srb->sg_count, &offset, &len);
-					virt = base + offset;
-				} else {
-					virt = srb->cmd->request_buffer + srb->cmd->request_bufflen - left_io;
-					len = left_io;
-				}
 				left_io -= len;
 
 				while (len--) {
@@ -2536,10 +2513,8 @@ static void data_io_transfer(struct AdapterCtlBlk *acb,
 					sg_subtract_one(srb);
 				}
 
-				if (srb->cmd->use_sg) {
-					scsi_kunmap_atomic_sg(base);
-					local_irq_restore(flags);
-				}
+				scsi_kunmap_atomic_sg(base);
+				local_irq_restore(flags);
 			}
 			if (srb->dcb->sync_period & WIDE_SYNC) {
 				if (ln % 2) {
@@ -3295,7 +3270,8 @@ static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
 {
 	struct scsi_cmnd *cmd = srb->cmd;
 	enum dma_data_direction dir = cmd->sc_data_direction;
-	if (cmd->use_sg && dir != PCI_DMA_NONE) {
+
+	if (scsi_sg_count(cmd) && dir != PCI_DMA_NONE) {
 		/* unmap DC395x SG list */
 		dprintkdbg(DBG_SG, "pci_unmap_srb: list=%08x(%05x)\n",
 			srb->sg_bus_addr, SEGMENTX_LEN);
@@ -3303,16 +3279,9 @@ static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
 				 SEGMENTX_LEN,
 				 PCI_DMA_TODEVICE);
 		dprintkdbg(DBG_SG, "pci_unmap_srb: segs=%i buffer=%p\n",
-			cmd->use_sg, cmd->request_buffer);
+			   scsi_sg_count(cmd), scsi_bufflen(cmd));
 		/* unmap the sg segments */
-		pci_unmap_sg(acb->dev,
-			     (struct scatterlist *)cmd->request_buffer,
-			     cmd->use_sg, dir);
-	} else if (cmd->request_buffer && dir != PCI_DMA_NONE) {
-		dprintkdbg(DBG_SG, "pci_unmap_srb: buffer=%08x(%05x)\n",
-			srb->segment_x[0].address, cmd->request_bufflen);
-		pci_unmap_single(acb->dev, srb->segment_x[0].address,
-				 cmd->request_bufflen, dir);
+		scsi_dma_unmap(cmd);
 	}
 }
 
@@ -3352,8 +3321,8 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
 	dprintkdbg(DBG_1, "srb_done: (pid#%li) <%02i-%i>\n", srb->cmd->pid,
 		srb->cmd->device->id, srb->cmd->device->lun);
 	dprintkdbg(DBG_SG, "srb_done: srb=%p sg=%i(%i/%i) buf=%p\n",
-		srb, cmd->use_sg, srb->sg_index, srb->sg_count,
-		cmd->request_buffer);
+		   srb, scsi_sg_count(cmd), srb->sg_index, srb->sg_count,
+		   scsi_sgtalbe(cmd));
 	status = srb->target_status;
 	if (srb->flag & AUTO_REQSENSE) {
 		dprintkdbg(DBG_0, "srb_done: AUTO_REQSENSE1\n");
@@ -3482,16 +3451,10 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
 		}
 	}
 
-	if (dir != PCI_DMA_NONE) {
-		if (cmd->use_sg)
-			pci_dma_sync_sg_for_cpu(acb->dev,
-					(struct scatterlist *)cmd->
-					request_buffer, cmd->use_sg, dir);
-		else if (cmd->request_buffer)
-			pci_dma_sync_single_for_cpu(acb->dev,
-					    srb->segment_x[0].address,
-					    cmd->request_bufflen, dir);
-	}
+	if (dir != PCI_DMA_NONE && scsi_sg_count(cmd))
+		pci_dma_sync_sg_for_cpu(acb->dev, scsi_sglist(cmd),
+					scsi_sg_count(cmd), dir);
+
 	ckc_only = 0;
 /* Check Error Conditions */
       ckc_e:
@@ -3500,19 +3463,15 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
 		unsigned char *base = NULL;
 		struct ScsiInqData *ptr;
 		unsigned long flags = 0;
+		struct scatterlist* sg = scsi_sglist(cmd);
+		size_t offset = 0, len = sizeof(struct ScsiInqData);
 
-		if (cmd->use_sg) {
-			struct scatterlist* sg = (struct scatterlist *)cmd->request_buffer;
-			size_t offset = 0, len = sizeof(struct ScsiInqData);
-
-			local_irq_save(flags);
-			base = scsi_kmap_atomic_sg(sg, cmd->use_sg, &offset, &len);
-			ptr = (struct ScsiInqData *)(base + offset);
-		} else
-			ptr = (struct ScsiInqData *)(cmd->request_buffer);
+		local_irq_save(flags);
+		base = scsi_kmap_atomic_sg(sg, scsi_sg_count(cmd), &offset, &len);
+		ptr = (struct ScsiInqData *)(base + offset);
 
 		if (!ckc_only && (cmd->result & RES_DID) == 0
-		    && cmd->cmnd[2] == 0 && cmd->request_bufflen >= 8
+		    && cmd->cmnd[2] == 0 && scsi_bufflen(cmd) >= 8
 		    && dir != PCI_DMA_NONE && ptr && (ptr->Vers & 0x07) >= 2)
 			dcb->inquiry7 = ptr->Flags;
 
@@ -3527,14 +3486,12 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
 			}
 		}
 
-		if (cmd->use_sg) {
-			scsi_kunmap_atomic_sg(base);
-			local_irq_restore(flags);
-		}
+		scsi_kunmap_atomic_sg(base);
+		local_irq_restore(flags);
 	}
 
 	/* Here is the info for Doug Gilbert's sg3 ... */
-	cmd->resid = srb->total_xfer_length;
+	scsi_set_resid(cmd, srb->total_xfer_length);
 	/* This may be interpreted by sb. or not ... */
 	cmd->SCp.this_residual = srb->total_xfer_length;
 	cmd->SCp.buffers_residual = 0;

drivers/scsi/dpt_i2o.c

@@ -2078,12 +2078,13 @@ static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_d
 	u32 *lenptr;
 	int direction;
 	int scsidir;
+	int nseg;
 	u32 len;
 	u32 reqlen;
 	s32 rcode;
 
 	memset(msg, 0 , sizeof(msg));
-	len = cmd->request_bufflen;
+	len = scsi_bufflen(cmd);
 	direction = 0x00000000;	
 	
 	scsidir = 0x00000000;			// DATA NO XFER
@@ -2140,21 +2141,21 @@ static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_d
 	lenptr=mptr++;		/* Remember me - fill in when we know */
 	reqlen = 14;		// SINGLE SGE
 	/* Now fill in the SGList and command */
-	if(cmd->use_sg) {
-		struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
-		int sg_count = pci_map_sg(pHba->pDev, sg, cmd->use_sg,
-				cmd->sc_data_direction);
 
+	nseg = scsi_dma_map(cmd);
+	BUG_ON(nseg < 0);
+	if (nseg) {
+		struct scatterlist *sg;
 
 		len = 0;
-		for(i = 0 ; i < sg_count; i++) {
+		scsi_for_each_sg(cmd, sg, nseg, i) {
 			*mptr++ = direction|0x10000000|sg_dma_len(sg);
 			len+=sg_dma_len(sg);
 			*mptr++ = sg_dma_address(sg);
-			sg++;
+			/* Make this an end of list */
+			if (i == nseg - 1)
+				mptr[-2] = direction|0xD0000000|sg_dma_len(sg);
 		}
-		/* Make this an end of list */
-		mptr[-2] = direction|0xD0000000|sg_dma_len(sg-1);
 		reqlen = mptr - msg;
 		*lenptr = len;
 		
@@ -2163,16 +2164,8 @@ static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_d
 				len, cmd->underflow);
 		}
 	} else {
-		*lenptr = len = cmd->request_bufflen;
-		if(len == 0) {
-			reqlen = 12;
-		} else {
-			*mptr++ = 0xD0000000|direction|cmd->request_bufflen;
-			*mptr++ = pci_map_single(pHba->pDev,
-				cmd->request_buffer,
-				cmd->request_bufflen,
-				cmd->sc_data_direction);
-		}
+		*lenptr = len = 0;
+		reqlen = 12;
 	}
 	
 	/* Stick the headers on */
@@ -2232,7 +2225,7 @@ static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd)
 	hba_status = detailed_status >> 8;
 
 	// calculate resid for sg 
-	cmd->resid = cmd->request_bufflen - readl(reply+5);
+	scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+5));
 
 	pHba = (adpt_hba*) cmd->device->host->hostdata[0];
 

drivers/scsi/eata.c

@@ -1609,8 +1609,9 @@ static int eata2x_detect(struct scsi_host_template *tpnt)
 
 static void map_dma(unsigned int i, struct hostdata *ha)
 {
-	unsigned int k, count, pci_dir;
-	struct scatterlist *sgpnt;
+	unsigned int k, pci_dir;
+	int count;
+	struct scatterlist *sg;
 	struct mscp *cpp;
 	struct scsi_cmnd *SCpnt;
 
@@ -1625,38 +1626,19 @@ static void map_dma(unsigned int i, struct hostdata *ha)
 
 	cpp->sense_len = sizeof SCpnt->sense_buffer;
 
-	if (!SCpnt->use_sg) {
-
-		/* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
-		if (!SCpnt->request_bufflen)
-			pci_dir = PCI_DMA_BIDIRECTIONAL;
-
-		if (SCpnt->request_buffer)
-			cpp->data_address = H2DEV(pci_map_single(ha->pdev,
-								 SCpnt->
-								 request_buffer,
-								 SCpnt->
-								 request_bufflen,
-								 pci_dir));
-
-		cpp->data_len = H2DEV(SCpnt->request_bufflen);
-		return;
-	}
-
-	sgpnt = (struct scatterlist *)SCpnt->request_buffer;
-	count = pci_map_sg(ha->pdev, sgpnt, SCpnt->use_sg, pci_dir);
-
-	for (k = 0; k < count; k++) {
-		cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
-		cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k]));
+	count = scsi_dma_map(SCpnt);
+	BUG_ON(count < 0);
+	scsi_for_each_sg(SCpnt, sg, count, k) {
+		cpp->sglist[k].address = H2DEV(sg_dma_address(sg));
+		cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(sg));
 	}
 
 	cpp->sg = 1;
 	cpp->data_address = H2DEV(pci_map_single(ha->pdev, cpp->sglist,
-						 SCpnt->use_sg *
+						 scsi_sg_count(SCpnt) *
 						 sizeof(struct sg_list),
 						 pci_dir));
-	cpp->data_len = H2DEV((SCpnt->use_sg * sizeof(struct sg_list)));
+	cpp->data_len = H2DEV((scsi_sg_count(SCpnt) * sizeof(struct sg_list)));
 }
 
 static void unmap_dma(unsigned int i, struct hostdata *ha)
@@ -1673,9 +1655,7 @@ static void unmap_dma(unsigned int i, struct hostdata *ha)
 		pci_unmap_single(ha->pdev, DEV2H(cpp->sense_addr),
 				 DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
 
-	if (SCpnt->use_sg)
-		pci_unmap_sg(ha->pdev, SCpnt->request_buffer, SCpnt->use_sg,
-			     pci_dir);
+	scsi_dma_unmap(SCpnt);
 
 	if (!DEV2H(cpp->data_len))
 		pci_dir = PCI_DMA_BIDIRECTIONAL;
@@ -1700,9 +1680,9 @@ static void sync_dma(unsigned int i, struct hostdata *ha)
 					    DEV2H(cpp->sense_len),
 					    PCI_DMA_FROMDEVICE);
 
-	if (SCpnt->use_sg)
-		pci_dma_sync_sg_for_cpu(ha->pdev, SCpnt->request_buffer,
-					SCpnt->use_sg, pci_dir);
+	if (scsi_sg_count(SCpnt))
+		pci_dma_sync_sg_for_cpu(ha->pdev, scsi_sglist(SCpnt),
+					scsi_sg_count(SCpnt), pci_dir);
 
 	if (!DEV2H(cpp->data_len))
 		pci_dir = PCI_DMA_BIDIRECTIONAL;

drivers/scsi/esp_scsi.c

@@ -324,17 +324,14 @@ static void esp_reset_esp(struct esp *esp)
 static void esp_map_dma(struct esp *esp, struct scsi_cmnd *cmd)
 {
 	struct esp_cmd_priv *spriv = ESP_CMD_PRIV(cmd);
-	struct scatterlist *sg = cmd->request_buffer;
+	struct scatterlist *sg = scsi_sglist(cmd);
 	int dir = cmd->sc_data_direction;
 	int total, i;
 
 	if (dir == DMA_NONE)
 		return;
 
-	BUG_ON(cmd->use_sg == 0);
-
-	spriv->u.num_sg = esp->ops->map_sg(esp, sg,
-					   cmd->use_sg, dir);
+	spriv->u.num_sg = esp->ops->map_sg(esp, sg, scsi_sg_count(cmd), dir);
 	spriv->cur_residue = sg_dma_len(sg);
 	spriv->cur_sg = sg;
 
@@ -407,8 +404,7 @@ static void esp_unmap_dma(struct esp *esp, struct scsi_cmnd *cmd)
 	if (dir == DMA_NONE)
 		return;
 
-	esp->ops->unmap_sg(esp, cmd->request_buffer,
-			   spriv->u.num_sg, dir);
+	esp->ops->unmap_sg(esp, scsi_sglist(cmd), spriv->u.num_sg, dir);
 }
 
 static void esp_save_pointers(struct esp *esp, struct esp_cmd_entry *ent)
@@ -921,7 +917,7 @@ static void esp_event_queue_full(struct esp *esp, struct esp_cmd_entry *ent)
 static int esp_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 {
 	struct scsi_device *dev = cmd->device;
-	struct esp *esp = host_to_esp(dev->host);
+	struct esp *esp = shost_priv(dev->host);
 	struct esp_cmd_priv *spriv;
 	struct esp_cmd_entry *ent;
 
@@ -2357,7 +2353,7 @@ EXPORT_SYMBOL(scsi_esp_unregister);
 
 static int esp_slave_alloc(struct scsi_device *dev)
 {
-	struct esp *esp = host_to_esp(dev->host);
+	struct esp *esp = shost_priv(dev->host);
 	struct esp_target_data *tp = &esp->target[dev->id];
 	struct esp_lun_data *lp;
 
@@ -2381,7 +2377,7 @@ static int esp_slave_alloc(struct scsi_device *dev)
 
 static int esp_slave_configure(struct scsi_device *dev)
 {
-	struct esp *esp = host_to_esp(dev->host);
+	struct esp *esp = shost_priv(dev->host);
 	struct esp_target_data *tp = &esp->target[dev->id];
 	int goal_tags, queue_depth;
 
@@ -2423,7 +2419,7 @@ static void esp_slave_destroy(struct scsi_device *dev)
 
 static int esp_eh_abort_handler(struct scsi_cmnd *cmd)
 {
-	struct esp *esp = host_to_esp(cmd->device->host);
+	struct esp *esp = shost_priv(cmd->device->host);
 	struct esp_cmd_entry *ent, *tmp;
 	struct completion eh_done;
 	unsigned long flags;
@@ -2539,7 +2535,7 @@ out_failure:
 
 static int esp_eh_bus_reset_handler(struct scsi_cmnd *cmd)
 {
-	struct esp *esp = host_to_esp(cmd->device->host);
+	struct esp *esp = shost_priv(cmd->device->host);
 	struct completion eh_reset;
 	unsigned long flags;
 
@@ -2575,7 +2571,7 @@ static int esp_eh_bus_reset_handler(struct scsi_cmnd *cmd)
 /* All bets are off, reset the entire device.  */
 static int esp_eh_host_reset_handler(struct scsi_cmnd *cmd)
 {
-	struct esp *esp = host_to_esp(cmd->device->host);
+	struct esp *esp = shost_priv(cmd->device->host);
 	unsigned long flags;
 
 	spin_lock_irqsave(esp->host->host_lock, flags);
@@ -2615,7 +2611,7 @@ EXPORT_SYMBOL(scsi_esp_template);
 
 static void esp_get_signalling(struct Scsi_Host *host)
 {
-	struct esp *esp = host_to_esp(host);
+	struct esp *esp = shost_priv(host);
 	enum spi_signal_type type;
 
 	if (esp->flags & ESP_FLAG_DIFFERENTIAL)
@@ -2629,7 +2625,7 @@ static void esp_get_signalling(struct Scsi_Host *host)
 static void esp_set_offset(struct scsi_target *target, int offset)
 {
 	struct Scsi_Host *host = dev_to_shost(target->dev.parent);
-	struct esp *esp = host_to_esp(host);
+	struct esp *esp = shost_priv(host);
 	struct esp_target_data *tp = &esp->target[target->id];
 
 	tp->nego_goal_offset = offset;
@@ -2639,7 +2635,7 @@ static void esp_set_offset(struct scsi_target *target, int offset)
 static void esp_set_period(struct scsi_target *target, int period)
 {
 	struct Scsi_Host *host = dev_to_shost(target->dev.parent);
-	struct esp *esp = host_to_esp(host);
+	struct esp *esp = shost_priv(host);
 	struct esp_target_data *tp = &esp->target[target->id];
 
 	tp->nego_goal_period = period;
@@ -2649,7 +2645,7 @@ static void esp_set_period(struct scsi_target *target, int period)
 static void esp_set_width(struct scsi_target *target, int width)
 {
 	struct Scsi_Host *host = dev_to_shost(target->dev.parent);
-	struct esp *esp = host_to_esp(host);
+	struct esp *esp = shost_priv(host);
 	struct esp_target_data *tp = &esp->target[target->id];
 
 	tp->nego_goal_width = (width ? 1 : 0);

drivers/scsi/esp_scsi.h

@@ -517,8 +517,6 @@ struct esp {
 	struct sbus_dma		*dma;
 };
 
-#define host_to_esp(host)	((struct esp *)(host)->hostdata)
-
 /* A front-end driver for the ESP chip should do the following in
  * it's device probe routine:
  * 1) Allocate the host and private area using scsi_host_alloc()

drivers/scsi/fdomain.c

@@ -410,6 +410,8 @@ static irqreturn_t       do_fdomain_16x0_intr( int irq, void *dev_id );
 static char * fdomain = NULL;
 module_param(fdomain, charp, 0);
 
+#ifndef PCMCIA
+
 static unsigned long addresses[] = {
    0xc8000,
    0xca000,
@@ -426,6 +428,8 @@ static unsigned short ports[] = { 0x140, 0x150, 0x160, 0x170 };
 
 static unsigned short ints[] = { 3, 5, 10, 11, 12, 14, 15, 0 };
 
+#endif /* !PCMCIA */
+
 /*
 
   READ THIS BEFORE YOU ADD A SIGNATURE!
@@ -458,6 +462,8 @@ static unsigned short ints[] = { 3, 5, 10, 11, 12, 14, 15, 0 };
 
 */
 
+#ifndef PCMCIA
+
 static struct signature {
    const char *signature;
    int  sig_offset;
@@ -503,6 +509,8 @@ static struct signature {
 
 #define SIGNATURE_COUNT ARRAY_SIZE(signatures)
 
+#endif /* !PCMCIA */
+
 static void print_banner( struct Scsi_Host *shpnt )
 {
    if (!shpnt) return;		/* This won't ever happen */
@@ -633,6 +641,8 @@ static int fdomain_test_loopback( void )
    return 0;
 }
 
+#ifndef PCMCIA
+
 /* fdomain_get_irq assumes that we have a valid MCA ID for a
    TMC-1660/TMC-1680 Future Domain board.  Now, check to be sure the
    bios_base matches these ports.  If someone was unlucky enough to have
@@ -667,7 +677,6 @@ static int fdomain_get_irq( int base )
 
 static int fdomain_isa_detect( int *irq, int *iobase )
 {
-#ifndef PCMCIA
    int i, j;
    int base = 0xdeadbeef;
    int flag = 0;
@@ -786,11 +795,22 @@ found:
    *iobase = base;
 
    return 1;			/* success */
-#else
-   return 0;
-#endif
 }
 
+#else /* PCMCIA */
+
+static int fdomain_isa_detect( int *irq, int *iobase )
+{
+	if (irq)
+		*irq = 0;
+	if (iobase)
+		*iobase = 0;
+	return 0;
+}
+
+#endif /* !PCMCIA */
+
+
 /* PCI detection function: int fdomain_pci_bios_detect(int* irq, int*
    iobase) This function gets the Interrupt Level and I/O base address from
    the PCI configuration registers. */
@@ -1345,16 +1365,15 @@ static irqreturn_t do_fdomain_16x0_intr(int irq, void *dev_id)
 
 #if ERRORS_ONLY
       if (current_SC->cmnd[0] == REQUEST_SENSE && !current_SC->SCp.Status) {
-	 if ((unsigned char)(*((char *)current_SC->request_buffer+2)) & 0x0f) {
+	      char *buf = scsi_sglist(current_SC);
+	 if ((unsigned char)(*(buf + 2)) & 0x0f) {
 	    unsigned char key;
 	    unsigned char code;
 	    unsigned char qualifier;
 
-	    key = (unsigned char)(*((char *)current_SC->request_buffer + 2))
-		  & 0x0f;
-	    code = (unsigned char)(*((char *)current_SC->request_buffer + 12));
-	    qualifier = (unsigned char)(*((char *)current_SC->request_buffer
-					  + 13));
+	    key = (unsigned char)(*(buf + 2)) & 0x0f;
+	    code = (unsigned char)(*(buf + 12));
+	    qualifier = (unsigned char)(*(buf + 13));
 
 	    if (key != UNIT_ATTENTION
 		&& !(key == NOT_READY
@@ -1405,8 +1424,8 @@ static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt,
    printk( "queue: target = %d cmnd = 0x%02x pieces = %d size = %u\n",
 	   SCpnt->target,
 	   *(unsigned char *)SCpnt->cmnd,
-	   SCpnt->use_sg,
-	   SCpnt->request_bufflen );
+	   scsi_sg_count(SCpnt),
+	   scsi_bufflen(SCpnt));
 #endif
 
    fdomain_make_bus_idle();
@@ -1416,20 +1435,19 @@ static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt,
 
    /* Initialize static data */
 
-   if (current_SC->use_sg) {
-      current_SC->SCp.buffer =
-	    (struct scatterlist *)current_SC->request_buffer;
-      current_SC->SCp.ptr              = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset;
-      current_SC->SCp.this_residual    = current_SC->SCp.buffer->length;
-      current_SC->SCp.buffers_residual = current_SC->use_sg - 1;
+   if (scsi_sg_count(current_SC)) {
+	   current_SC->SCp.buffer = scsi_sglist(current_SC);
+	   current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page)
+		   + current_SC->SCp.buffer->offset;
+	   current_SC->SCp.this_residual    = current_SC->SCp.buffer->length;
+	   current_SC->SCp.buffers_residual = scsi_sg_count(current_SC) - 1;
    } else {
-      current_SC->SCp.ptr              = (char *)current_SC->request_buffer;
-      current_SC->SCp.this_residual    = current_SC->request_bufflen;
-      current_SC->SCp.buffer           = NULL;
-      current_SC->SCp.buffers_residual = 0;
+	   current_SC->SCp.ptr              = 0;
+	   current_SC->SCp.this_residual    = 0;
+	   current_SC->SCp.buffer           = NULL;
+	   current_SC->SCp.buffers_residual = 0;
    }
-	 
-   
+
    current_SC->SCp.Status              = 0;
    current_SC->SCp.Message             = 0;
    current_SC->SCp.have_data_in        = 0;
@@ -1472,8 +1490,8 @@ static void print_info(struct scsi_cmnd *SCpnt)
 	   SCpnt->SCp.phase,
 	   SCpnt->device->id,
 	   *(unsigned char *)SCpnt->cmnd,
-	   SCpnt->use_sg,
-	   SCpnt->request_bufflen );
+	   scsi_sg_count(SCpnt),
+	   scsi_bufflen(SCpnt));
    printk( "sent_command = %d, have_data_in = %d, timeout = %d\n",
 	   SCpnt->SCp.sent_command,
 	   SCpnt->SCp.have_data_in,

drivers/scsi/gdth.c

@@ -876,7 +876,7 @@ static int __init gdth_search_pci(gdth_pci_str *pcistr)
 /* Vortex only makes RAID controllers.
  * We do not really want to specify all 550 ids here, so wildcard match.
  */
-static struct pci_device_id gdthtable[] __attribute_used__ = {
+static struct pci_device_id gdthtable[] __maybe_unused = {
     {PCI_VENDOR_ID_VORTEX,PCI_ANY_ID,PCI_ANY_ID, PCI_ANY_ID},
     {PCI_VENDOR_ID_INTEL,PCI_DEVICE_ID_INTEL_SRC,PCI_ANY_ID,PCI_ANY_ID}, 
     {PCI_VENDOR_ID_INTEL,PCI_DEVICE_ID_INTEL_SRC_XSCALE,PCI_ANY_ID,PCI_ANY_ID}, 
@@ -1955,7 +1955,7 @@ static int __init gdth_search_drives(int hanum)
         for (j = 0; j < 12; ++j) 
             rtc[j] = CMOS_READ(j);
     } while (rtc[0] != CMOS_READ(0));
-    spin_lock_irqrestore(&rtc_lock, flags);
+    spin_unlock_irqrestore(&rtc_lock, flags);
     TRACE2(("gdth_search_drives(): RTC: %x/%x/%x\n",*(ulong32 *)&rtc[0],
             *(ulong32 *)&rtc[4], *(ulong32 *)&rtc[8]));
     /* 3. send to controller firmware */

drivers/scsi/hptiop.c

@@ -339,20 +339,8 @@ static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag)
 
 	scp = hba->reqs[tag].scp;
 
-	if (HPT_SCP(scp)->mapped) {
-		if (scp->use_sg)
-			pci_unmap_sg(hba->pcidev,
-				(struct scatterlist *)scp->request_buffer,
-				scp->use_sg,
-				scp->sc_data_direction
-			);
-		else
-			pci_unmap_single(hba->pcidev,
-				HPT_SCP(scp)->dma_handle,
-				scp->request_bufflen,
-				scp->sc_data_direction
-			);
-	}
+	if (HPT_SCP(scp)->mapped)
+		scsi_dma_unmap(scp);
 
 	switch (le32_to_cpu(req->header.result)) {
 	case IOP_RESULT_SUCCESS:
@@ -448,43 +436,26 @@ static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
 {
 	struct Scsi_Host *host = scp->device->host;
 	struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
-	struct scatterlist *sglist = (struct scatterlist *)scp->request_buffer;
-
-	/*
-	 * though we'll not get non-use_sg fields anymore,
-	 * keep use_sg checking anyway
-	 */
-	if (scp->use_sg) {
-		int idx;
-
-		HPT_SCP(scp)->sgcnt = pci_map_sg(hba->pcidev,
-				sglist, scp->use_sg,
-				scp->sc_data_direction);
-		HPT_SCP(scp)->mapped = 1;
-		BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
-
-		for (idx = 0; idx < HPT_SCP(scp)->sgcnt; idx++) {
-			psg[idx].pci_address =
-				cpu_to_le64(sg_dma_address(&sglist[idx]));
-			psg[idx].size = cpu_to_le32(sg_dma_len(&sglist[idx]));
-			psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
-				cpu_to_le32(1) : 0;
-		}
+	struct scatterlist *sg;
+	int idx, nseg;
+
+	nseg = scsi_dma_map(scp);
+	BUG_ON(nseg < 0);
+	if (!nseg)
+		return 0;
 
-		return HPT_SCP(scp)->sgcnt;
-	} else {
-		HPT_SCP(scp)->dma_handle = pci_map_single(
-				hba->pcidev,
-				scp->request_buffer,
-				scp->request_bufflen,
-				scp->sc_data_direction
-			);
-		HPT_SCP(scp)->mapped = 1;
-		psg->pci_address = cpu_to_le64(HPT_SCP(scp)->dma_handle);
-		psg->size = cpu_to_le32(scp->request_bufflen);
-		psg->eot = cpu_to_le32(1);
-		return 1;
+	HPT_SCP(scp)->sgcnt = nseg;
+	HPT_SCP(scp)->mapped = 1;
+
+	BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
+
+	scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
+		psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
+		psg[idx].size = cpu_to_le32(sg_dma_len(sg));
+		psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
+			cpu_to_le32(1) : 0;
 	}
+	return HPT_SCP(scp)->sgcnt;
 }
 
 static int hptiop_queuecommand(struct scsi_cmnd *scp,
@@ -529,9 +500,8 @@ static int hptiop_queuecommand(struct scsi_cmnd *scp,
 	req = (struct hpt_iop_request_scsi_command *)_req->req_virt;
 
 	/* build S/G table */
-	if (scp->request_bufflen)
-		sg_count = hptiop_buildsgl(scp, req->sg_list);
-	else
+	sg_count = hptiop_buildsgl(scp, req->sg_list);
+	if (!sg_count)
 		HPT_SCP(scp)->mapped = 0;
 
 	req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
@@ -540,7 +510,7 @@ static int hptiop_queuecommand(struct scsi_cmnd *scp,
 	req->header.context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
 							(u32)_req->index);
 	req->header.context_hi32 = 0;
-	req->dataxfer_length = cpu_to_le32(scp->request_bufflen);
+	req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
 	req->channel = scp->device->channel;
 	req->target = scp->device->id;
 	req->lun = scp->device->lun;

drivers/scsi/ibmmca.h

@@ -1,21 +0,0 @@
-/*
- * Low Level Driver for the IBM Microchannel SCSI Subsystem
- * (Headerfile, see Documentation/scsi/ibmmca.txt for description of the
- * IBM MCA SCSI-driver.
- * For use under the GNU General Public License within the Linux-kernel project.
- * This include file works only correctly with kernel 2.4.0 or higher!!! */
-
-#ifndef _IBMMCA_H
-#define _IBMMCA_H
-
-/* Common forward declarations for all Linux-versions: */
-
-/* Interfaces to the midlevel Linux SCSI driver */
-static int ibmmca_detect (struct scsi_host_template *);
-static int ibmmca_release (struct Scsi_Host *);
-static int ibmmca_queuecommand (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
-static int ibmmca_abort (Scsi_Cmnd *);
-static int ibmmca_host_reset (Scsi_Cmnd *);
-static int ibmmca_biosparam (struct scsi_device *, struct block_device *, sector_t, int *);
-
-#endif /* _IBMMCA_H */

drivers/scsi/ibmvscsi/ibmvscsi.c

@@ -173,9 +173,8 @@ static void release_event_pool(struct event_pool *pool,
 		}
 	}
 	if (in_use)
-		printk(KERN_WARNING
-		       "ibmvscsi: releasing event pool with %d "
-		       "events still in use?\n", in_use);
+		dev_warn(hostdata->dev, "releasing event pool with %d "
+			 "events still in use?\n", in_use);
 	kfree(pool->events);
 	dma_free_coherent(hostdata->dev,
 			  pool->size * sizeof(*pool->iu_storage),
@@ -210,15 +209,13 @@ static void free_event_struct(struct event_pool *pool,
 				       struct srp_event_struct *evt)
 {
 	if (!valid_event_struct(pool, evt)) {
-		printk(KERN_ERR
-		       "ibmvscsi: Freeing invalid event_struct %p "
-		       "(not in pool %p)\n", evt, pool->events);
+		dev_err(evt->hostdata->dev, "Freeing invalid event_struct %p "
+			"(not in pool %p)\n", evt, pool->events);
 		return;
 	}
 	if (atomic_inc_return(&evt->free) != 1) {
-		printk(KERN_ERR
-		       "ibmvscsi: Freeing event_struct %p "
-		       "which is not in use!\n", evt);
+		dev_err(evt->hostdata->dev, "Freeing event_struct %p "
+			"which is not in use!\n", evt);
 		return;
 	}
 }
@@ -353,20 +350,19 @@ static void unmap_cmd_data(struct srp_cmd *cmd,
 	}
 }
 
-static int map_sg_list(int num_entries, 
-		       struct scatterlist *sg,
+static int map_sg_list(struct scsi_cmnd *cmd, int nseg,
 		       struct srp_direct_buf *md)
 {
 	int i;
+	struct scatterlist *sg;
 	u64 total_length = 0;
 
-	for (i = 0; i < num_entries; ++i) {
+	scsi_for_each_sg(cmd, sg, nseg, i) {
 		struct srp_direct_buf *descr = md + i;
-		struct scatterlist *sg_entry = &sg[i];
-		descr->va = sg_dma_address(sg_entry);
-		descr->len = sg_dma_len(sg_entry);
+		descr->va = sg_dma_address(sg);
+		descr->len = sg_dma_len(sg);
 		descr->key = 0;
-		total_length += sg_dma_len(sg_entry);
+		total_length += sg_dma_len(sg);
  	}
 	return total_length;
 }
@@ -387,40 +383,37 @@ static int map_sg_data(struct scsi_cmnd *cmd,
 
 	int sg_mapped;
 	u64 total_length = 0;
-	struct scatterlist *sg = cmd->request_buffer;
 	struct srp_direct_buf *data =
 		(struct srp_direct_buf *) srp_cmd->add_data;
 	struct srp_indirect_buf *indirect =
 		(struct srp_indirect_buf *) data;
 
-	sg_mapped = dma_map_sg(dev, sg, cmd->use_sg, DMA_BIDIRECTIONAL);
-
-	if (sg_mapped == 0)
+	sg_mapped = scsi_dma_map(cmd);
+	if (!sg_mapped)
+		return 1;
+	else if (sg_mapped < 0)
 		return 0;
+	else if (sg_mapped > SG_ALL) {
+		printk(KERN_ERR
+		       "ibmvscsi: More than %d mapped sg entries, got %d\n",
+		       SG_ALL, sg_mapped);
+		return 0;
+	}
 
 	set_srp_direction(cmd, srp_cmd, sg_mapped);
 
 	/* special case; we can use a single direct descriptor */
 	if (sg_mapped == 1) {
-		data->va = sg_dma_address(&sg[0]);
-		data->len = sg_dma_len(&sg[0]);
-		data->key = 0;
+		map_sg_list(cmd, sg_mapped, data);
 		return 1;
 	}
 
-	if (sg_mapped > SG_ALL) {
-		printk(KERN_ERR
-		       "ibmvscsi: More than %d mapped sg entries, got %d\n",
-		       SG_ALL, sg_mapped);
-		return 0;
-	}
-
 	indirect->table_desc.va = 0;
 	indirect->table_desc.len = sg_mapped * sizeof(struct srp_direct_buf);
 	indirect->table_desc.key = 0;
 
 	if (sg_mapped <= MAX_INDIRECT_BUFS) {
-		total_length = map_sg_list(sg_mapped, sg,
+		total_length = map_sg_list(cmd, sg_mapped,
 					   &indirect->desc_list[0]);
 		indirect->len = total_length;
 		return 1;
@@ -429,60 +422,26 @@ static int map_sg_data(struct scsi_cmnd *cmd,
 	/* get indirect table */
 	if (!evt_struct->ext_list) {
 		evt_struct->ext_list = (struct srp_direct_buf *)
-			dma_alloc_coherent(dev, 
+			dma_alloc_coherent(dev,
 					   SG_ALL * sizeof(struct srp_direct_buf),
 					   &evt_struct->ext_list_token, 0);
 		if (!evt_struct->ext_list) {
-			printk(KERN_ERR
-			       "ibmvscsi: Can't allocate memory for indirect table\n");
+			sdev_printk(KERN_ERR, cmd->device,
+				    "Can't allocate memory for indirect table\n");
 			return 0;
-			
 		}
 	}
 
-	total_length = map_sg_list(sg_mapped, sg, evt_struct->ext_list);	
+	total_length = map_sg_list(cmd, sg_mapped, evt_struct->ext_list);
 
 	indirect->len = total_length;
 	indirect->table_desc.va = evt_struct->ext_list_token;
 	indirect->table_desc.len = sg_mapped * sizeof(indirect->desc_list[0]);
 	memcpy(indirect->desc_list, evt_struct->ext_list,
 	       MAX_INDIRECT_BUFS * sizeof(struct srp_direct_buf));
-	
  	return 1;
 }
 
-/**
- * map_single_data: - Maps memory and initializes memory decriptor fields
- * @cmd:	struct scsi_cmnd with the memory to be mapped
- * @srp_cmd:	srp_cmd that contains the memory descriptor
- * @dev:	device for which to map dma memory
- *
- * Called by map_data_for_srp_cmd() when building srp cmd from scsi cmd.
- * Returns 1 on success.
-*/
-static int map_single_data(struct scsi_cmnd *cmd,
-			   struct srp_cmd *srp_cmd, struct device *dev)
-{
-	struct srp_direct_buf *data =
-		(struct srp_direct_buf *) srp_cmd->add_data;
-
-	data->va =
-		dma_map_single(dev, cmd->request_buffer,
-			       cmd->request_bufflen,
-			       DMA_BIDIRECTIONAL);
-	if (dma_mapping_error(data->va)) {
-		printk(KERN_ERR
-		       "ibmvscsi: Unable to map request_buffer for command!\n");
-		return 0;
-	}
-	data->len = cmd->request_bufflen;
-	data->key = 0;
-
-	set_srp_direction(cmd, srp_cmd, 1);
-
-	return 1;
-}
-
 /**
  * map_data_for_srp_cmd: - Calls functions to map data for srp cmds
  * @cmd:	struct scsi_cmnd with the memory to be mapped
@@ -503,23 +462,83 @@ static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
 	case DMA_NONE:
 		return 1;
 	case DMA_BIDIRECTIONAL:
-		printk(KERN_ERR
-		       "ibmvscsi: Can't map DMA_BIDIRECTIONAL to read/write\n");
+		sdev_printk(KERN_ERR, cmd->device,
+			    "Can't map DMA_BIDIRECTIONAL to read/write\n");
 		return 0;
 	default:
-		printk(KERN_ERR
-		       "ibmvscsi: Unknown data direction 0x%02x; can't map!\n",
-		       cmd->sc_data_direction);
+		sdev_printk(KERN_ERR, cmd->device,
+			    "Unknown data direction 0x%02x; can't map!\n",
+			    cmd->sc_data_direction);
 		return 0;
 	}
 
-	if (!cmd->request_buffer)
-		return 1;
-	if (cmd->use_sg)
-		return map_sg_data(cmd, evt_struct, srp_cmd, dev);
-	return map_single_data(cmd, srp_cmd, dev);
+	return map_sg_data(cmd, evt_struct, srp_cmd, dev);
 }
 
+/**
+ * purge_requests: Our virtual adapter just shut down.  purge any sent requests
+ * @hostdata:    the adapter
+ */
+static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
+{
+	struct srp_event_struct *tmp_evt, *pos;
+	unsigned long flags;
+
+	spin_lock_irqsave(hostdata->host->host_lock, flags);
+	list_for_each_entry_safe(tmp_evt, pos, &hostdata->sent, list) {
+		list_del(&tmp_evt->list);
+		del_timer(&tmp_evt->timer);
+		if (tmp_evt->cmnd) {
+			tmp_evt->cmnd->result = (error_code << 16);
+			unmap_cmd_data(&tmp_evt->iu.srp.cmd,
+				       tmp_evt,
+				       tmp_evt->hostdata->dev);
+			if (tmp_evt->cmnd_done)
+				tmp_evt->cmnd_done(tmp_evt->cmnd);
+		} else if (tmp_evt->done)
+			tmp_evt->done(tmp_evt);
+		free_event_struct(&tmp_evt->hostdata->pool, tmp_evt);
+	}
+	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
+}
+
+/**
+ * ibmvscsi_reset_host - Reset the connection to the server
+ * @hostdata:	struct ibmvscsi_host_data to reset
+*/
+static void ibmvscsi_reset_host(struct ibmvscsi_host_data *hostdata)
+{
+	scsi_block_requests(hostdata->host);
+	atomic_set(&hostdata->request_limit, 0);
+
+	purge_requests(hostdata, DID_ERROR);
+	if ((ibmvscsi_reset_crq_queue(&hostdata->queue, hostdata)) ||
+	    (ibmvscsi_send_crq(hostdata, 0xC001000000000000LL, 0)) ||
+	    (vio_enable_interrupts(to_vio_dev(hostdata->dev)))) {
+		atomic_set(&hostdata->request_limit, -1);
+		dev_err(hostdata->dev, "error after reset\n");
+	}
+
+	scsi_unblock_requests(hostdata->host);
+}
+
+/**
+ * ibmvscsi_timeout - Internal command timeout handler
+ * @evt_struct:	struct srp_event_struct that timed out
+ *
+ * Called when an internally generated command times out
+*/
+static void ibmvscsi_timeout(struct srp_event_struct *evt_struct)
+{
+	struct ibmvscsi_host_data *hostdata = evt_struct->hostdata;
+
+	dev_err(hostdata->dev, "Command timed out (%x). Resetting connection\n",
+		evt_struct->iu.srp.cmd.opcode);
+
+	ibmvscsi_reset_host(hostdata);
+}
+
+
 /* ------------------------------------------------------------
  * Routines for sending and receiving SRPs
  */
@@ -527,12 +546,14 @@ static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
  * ibmvscsi_send_srp_event: - Transforms event to u64 array and calls send_crq()
  * @evt_struct:	evt_struct to be sent
  * @hostdata:	ibmvscsi_host_data of host
+ * @timeout:	timeout in seconds - 0 means do not time command
  *
  * Returns the value returned from ibmvscsi_send_crq(). (Zero for success)
  * Note that this routine assumes that host_lock is held for synchronization
 */
 static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
-				   struct ibmvscsi_host_data *hostdata)
+				   struct ibmvscsi_host_data *hostdata,
+				   unsigned long timeout)
 {
 	u64 *crq_as_u64 = (u64 *) &evt_struct->crq;
 	int request_status;
@@ -588,12 +609,20 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
 	 */
 	list_add_tail(&evt_struct->list, &hostdata->sent);
 
+	init_timer(&evt_struct->timer);
+	if (timeout) {
+		evt_struct->timer.data = (unsigned long) evt_struct;
+		evt_struct->timer.expires = jiffies + (timeout * HZ);
+		evt_struct->timer.function = (void (*)(unsigned long))ibmvscsi_timeout;
+		add_timer(&evt_struct->timer);
+	}
+
 	if ((rc =
 	     ibmvscsi_send_crq(hostdata, crq_as_u64[0], crq_as_u64[1])) != 0) {
 		list_del(&evt_struct->list);
+		del_timer(&evt_struct->timer);
 
-		printk(KERN_ERR "ibmvscsi: send error %d\n",
-		       rc);
+		dev_err(hostdata->dev, "send error %d\n", rc);
 		atomic_inc(&hostdata->request_limit);
 		goto send_error;
 	}
@@ -634,9 +663,8 @@ static void handle_cmd_rsp(struct srp_event_struct *evt_struct)
 
 	if (unlikely(rsp->opcode != SRP_RSP)) {
 		if (printk_ratelimit())
-			printk(KERN_WARNING 
-			       "ibmvscsi: bad SRP RSP type %d\n",
-			       rsp->opcode);
+			dev_warn(evt_struct->hostdata->dev,
+				 "bad SRP RSP type %d\n", rsp->opcode);
 	}
 	
 	if (cmnd) {
@@ -650,9 +678,9 @@ static void handle_cmd_rsp(struct srp_event_struct *evt_struct)
 			       evt_struct->hostdata->dev);
 
 		if (rsp->flags & SRP_RSP_FLAG_DOOVER)
-			cmnd->resid = rsp->data_out_res_cnt;
+			scsi_set_resid(cmnd, rsp->data_out_res_cnt);
 		else if (rsp->flags & SRP_RSP_FLAG_DIOVER)
-			cmnd->resid = rsp->data_in_res_cnt;
+			scsi_set_resid(cmnd, rsp->data_in_res_cnt);
 	}
 
 	if (evt_struct->cmnd_done)
@@ -697,7 +725,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
 	srp_cmd->lun = ((u64) lun) << 48;
 
 	if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {
-		printk(KERN_ERR "ibmvscsi: couldn't convert cmd to srp_cmd\n");
+		sdev_printk(KERN_ERR, cmnd->device, "couldn't convert cmd to srp_cmd\n");
 		free_event_struct(&hostdata->pool, evt_struct);
 		return SCSI_MLQUEUE_HOST_BUSY;
 	}
@@ -722,7 +750,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
 			offsetof(struct srp_indirect_buf, desc_list);
 	}
 
-	return ibmvscsi_send_srp_event(evt_struct, hostdata);
+	return ibmvscsi_send_srp_event(evt_struct, hostdata, 0);
 }
 
 /* ------------------------------------------------------------
@@ -744,16 +772,16 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
 			 DMA_BIDIRECTIONAL);
 
 	if (evt_struct->xfer_iu->mad.adapter_info.common.status) {
-		printk("ibmvscsi: error %d getting adapter info\n",
-		       evt_struct->xfer_iu->mad.adapter_info.common.status);
+		dev_err(hostdata->dev, "error %d getting adapter info\n",
+			evt_struct->xfer_iu->mad.adapter_info.common.status);
 	} else {
-		printk("ibmvscsi: host srp version: %s, "
-		       "host partition %s (%d), OS %d, max io %u\n",
-		       hostdata->madapter_info.srp_version,
-		       hostdata->madapter_info.partition_name,
-		       hostdata->madapter_info.partition_number,
-		       hostdata->madapter_info.os_type,
-		       hostdata->madapter_info.port_max_txu[0]);
+		dev_info(hostdata->dev, "host srp version: %s, "
+			 "host partition %s (%d), OS %d, max io %u\n",
+			 hostdata->madapter_info.srp_version,
+			 hostdata->madapter_info.partition_name,
+			 hostdata->madapter_info.partition_number,
+			 hostdata->madapter_info.os_type,
+			 hostdata->madapter_info.port_max_txu[0]);
 		
 		if (hostdata->madapter_info.port_max_txu[0]) 
 			hostdata->host->max_sectors = 
@@ -761,11 +789,10 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
 		
 		if (hostdata->madapter_info.os_type == 3 &&
 		    strcmp(hostdata->madapter_info.srp_version, "1.6a") <= 0) {
-			printk("ibmvscsi: host (Ver. %s) doesn't support large"
-			       "transfers\n",
-			       hostdata->madapter_info.srp_version);
-			printk("ibmvscsi: limiting scatterlists to %d\n",
-			       MAX_INDIRECT_BUFS);
+			dev_err(hostdata->dev, "host (Ver. %s) doesn't support large transfers\n",
+				hostdata->madapter_info.srp_version);
+			dev_err(hostdata->dev, "limiting scatterlists to %d\n",
+				MAX_INDIRECT_BUFS);
 			hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS;
 		}
 	}
@@ -784,19 +811,20 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 {
 	struct viosrp_adapter_info *req;
 	struct srp_event_struct *evt_struct;
+	unsigned long flags;
 	dma_addr_t addr;
 
 	evt_struct = get_event_struct(&hostdata->pool);
 	if (!evt_struct) {
-		printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
-		       "for ADAPTER_INFO_REQ!\n");
+		dev_err(hostdata->dev,
+			"couldn't allocate an event for ADAPTER_INFO_REQ!\n");
 		return;
 	}
 
 	init_event_struct(evt_struct,
 			  adapter_info_rsp,
 			  VIOSRP_MAD_FORMAT,
-			  init_timeout * HZ);
+			  init_timeout);
 	
 	req = &evt_struct->iu.mad.adapter_info;
 	memset(req, 0x00, sizeof(*req));
@@ -809,20 +837,20 @@ static void send_mad_adapter_info(struct ibmvscsi_host_data *hostdata)
 					    DMA_BIDIRECTIONAL);
 
 	if (dma_mapping_error(req->buffer)) {
-		printk(KERN_ERR
-		       "ibmvscsi: Unable to map request_buffer "
-		       "for adapter_info!\n");
+		dev_err(hostdata->dev, "Unable to map request_buffer for adapter_info!\n");
 		free_event_struct(&hostdata->pool, evt_struct);
 		return;
 	}
 	
-	if (ibmvscsi_send_srp_event(evt_struct, hostdata)) {
-		printk(KERN_ERR "ibmvscsi: couldn't send ADAPTER_INFO_REQ!\n");
+	spin_lock_irqsave(hostdata->host->host_lock, flags);
+	if (ibmvscsi_send_srp_event(evt_struct, hostdata, init_timeout * 2)) {
+		dev_err(hostdata->dev, "couldn't send ADAPTER_INFO_REQ!\n");
 		dma_unmap_single(hostdata->dev,
 				 addr,
 				 sizeof(hostdata->madapter_info),
 				 DMA_BIDIRECTIONAL);
 	}
+	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
 };
 
 /**
@@ -839,24 +867,23 @@ static void login_rsp(struct srp_event_struct *evt_struct)
 	case SRP_LOGIN_RSP:	/* it worked! */
 		break;
 	case SRP_LOGIN_REJ:	/* refused! */
-		printk(KERN_INFO "ibmvscsi: SRP_LOGIN_REJ reason %u\n",
-		       evt_struct->xfer_iu->srp.login_rej.reason);
+		dev_info(hostdata->dev, "SRP_LOGIN_REJ reason %u\n",
+			 evt_struct->xfer_iu->srp.login_rej.reason);
 		/* Login failed.  */
 		atomic_set(&hostdata->request_limit, -1);
 		return;
 	default:
-		printk(KERN_ERR
-		       "ibmvscsi: Invalid login response typecode 0x%02x!\n",
-		       evt_struct->xfer_iu->srp.login_rsp.opcode);
+		dev_err(hostdata->dev, "Invalid login response typecode 0x%02x!\n",
+			evt_struct->xfer_iu->srp.login_rsp.opcode);
 		/* Login failed.  */
 		atomic_set(&hostdata->request_limit, -1);
 		return;
 	}
 
-	printk(KERN_INFO "ibmvscsi: SRP_LOGIN succeeded\n");
+	dev_info(hostdata->dev, "SRP_LOGIN succeeded\n");
 
 	if (evt_struct->xfer_iu->srp.login_rsp.req_lim_delta < 0)
-		printk(KERN_ERR "ibmvscsi: Invalid request_limit.\n");
+		dev_err(hostdata->dev, "Invalid request_limit.\n");
 
 	/* Now we know what the real request-limit is.
 	 * This value is set rather than added to request_limit because
@@ -885,15 +912,14 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata)
 	struct srp_login_req *login;
 	struct srp_event_struct *evt_struct = get_event_struct(&hostdata->pool);
 	if (!evt_struct) {
-		printk(KERN_ERR
-		       "ibmvscsi: couldn't allocate an event for login req!\n");
+		dev_err(hostdata->dev, "couldn't allocate an event for login req!\n");
 		return FAILED;
 	}
 
 	init_event_struct(evt_struct,
 			  login_rsp,
 			  VIOSRP_SRP_FORMAT,
-			  init_timeout * HZ);
+			  init_timeout);
 
 	login = &evt_struct->iu.srp.login_req;
 	memset(login, 0x00, sizeof(struct srp_login_req));
@@ -907,9 +933,9 @@ static int send_srp_login(struct ibmvscsi_host_data *hostdata)
 	 */
 	atomic_set(&hostdata->request_limit, 1);
 
-	rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
+	rc = ibmvscsi_send_srp_event(evt_struct, hostdata, init_timeout * 2);
 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-	printk("ibmvscsic: sent SRP login\n");
+	dev_info(hostdata->dev, "sent SRP login\n");
 	return rc;
 };
 
@@ -958,20 +984,20 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
 	if (!found_evt) {
 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-		return FAILED;
+		return SUCCESS;
 	}
 
 	evt = get_event_struct(&hostdata->pool);
 	if (evt == NULL) {
 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-		printk(KERN_ERR "ibmvscsi: failed to allocate abort event\n");
+		sdev_printk(KERN_ERR, cmd->device, "failed to allocate abort event\n");
 		return FAILED;
 	}
 	
 	init_event_struct(evt,
 			  sync_completion,
 			  VIOSRP_SRP_FORMAT,
-			  init_timeout * HZ);
+			  init_timeout);
 
 	tsk_mgmt = &evt->iu.srp.tsk_mgmt;
 	
@@ -982,15 +1008,16 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 	tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK;
 	tsk_mgmt->task_tag = (u64) found_evt;
 
-	printk(KERN_INFO "ibmvscsi: aborting command. lun 0x%lx, tag 0x%lx\n",
-	       tsk_mgmt->lun, tsk_mgmt->task_tag);
+	sdev_printk(KERN_INFO, cmd->device, "aborting command. lun 0x%lx, tag 0x%lx\n",
+		    tsk_mgmt->lun, tsk_mgmt->task_tag);
 
 	evt->sync_srp = &srp_rsp;
 	init_completion(&evt->comp);
-	rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
+	rsp_rc = ibmvscsi_send_srp_event(evt, hostdata, init_timeout * 2);
 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
 	if (rsp_rc != 0) {
-		printk(KERN_ERR "ibmvscsi: failed to send abort() event\n");
+		sdev_printk(KERN_ERR, cmd->device,
+			    "failed to send abort() event. rc=%d\n", rsp_rc);
 		return FAILED;
 	}
 
@@ -999,9 +1026,8 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 	/* make sure we got a good response */
 	if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
 		if (printk_ratelimit())
-			printk(KERN_WARNING 
-			       "ibmvscsi: abort bad SRP RSP type %d\n",
-			       srp_rsp.srp.rsp.opcode);
+			sdev_printk(KERN_WARNING, cmd->device, "abort bad SRP RSP type %d\n",
+				    srp_rsp.srp.rsp.opcode);
 		return FAILED;
 	}
 
@@ -1012,10 +1038,9 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
 	if (rsp_rc) {
 		if (printk_ratelimit())
-			printk(KERN_WARNING 
-			       "ibmvscsi: abort code %d for task tag 0x%lx\n",
-			       rsp_rc,
-			       tsk_mgmt->task_tag);
+			sdev_printk(KERN_WARNING, cmd->device,
+				    "abort code %d for task tag 0x%lx\n",
+				    rsp_rc, tsk_mgmt->task_tag);
 		return FAILED;
 	}
 
@@ -1034,15 +1059,13 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
 	if (found_evt == NULL) {
 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-		printk(KERN_INFO
-		       "ibmvscsi: aborted task tag 0x%lx completed\n",
-		       tsk_mgmt->task_tag);
+		sdev_printk(KERN_INFO, cmd->device, "aborted task tag 0x%lx completed\n",
+			    tsk_mgmt->task_tag);
 		return SUCCESS;
 	}
 
-	printk(KERN_INFO
-	       "ibmvscsi: successfully aborted task tag 0x%lx\n",
-	       tsk_mgmt->task_tag);
+	sdev_printk(KERN_INFO, cmd->device, "successfully aborted task tag 0x%lx\n",
+		    tsk_mgmt->task_tag);
 
 	cmd->result = (DID_ABORT << 16);
 	list_del(&found_evt->list);
@@ -1076,14 +1099,14 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 	evt = get_event_struct(&hostdata->pool);
 	if (evt == NULL) {
 		spin_unlock_irqrestore(hostdata->host->host_lock, flags);
-		printk(KERN_ERR "ibmvscsi: failed to allocate reset event\n");
+		sdev_printk(KERN_ERR, cmd->device, "failed to allocate reset event\n");
 		return FAILED;
 	}
 	
 	init_event_struct(evt,
 			  sync_completion,
 			  VIOSRP_SRP_FORMAT,
-			  init_timeout * HZ);
+			  init_timeout);
 
 	tsk_mgmt = &evt->iu.srp.tsk_mgmt;
 
@@ -1093,15 +1116,16 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 	tsk_mgmt->lun = ((u64) lun) << 48;
 	tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET;
 
-	printk(KERN_INFO "ibmvscsi: resetting device. lun 0x%lx\n",
-	       tsk_mgmt->lun);
+	sdev_printk(KERN_INFO, cmd->device, "resetting device. lun 0x%lx\n",
+		    tsk_mgmt->lun);
 
 	evt->sync_srp = &srp_rsp;
 	init_completion(&evt->comp);
-	rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
+	rsp_rc = ibmvscsi_send_srp_event(evt, hostdata, init_timeout * 2);
 	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
 	if (rsp_rc != 0) {
-		printk(KERN_ERR "ibmvscsi: failed to send reset event\n");
+		sdev_printk(KERN_ERR, cmd->device,
+			    "failed to send reset event. rc=%d\n", rsp_rc);
 		return FAILED;
 	}
 
@@ -1110,9 +1134,8 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 	/* make sure we got a good response */
 	if (unlikely(srp_rsp.srp.rsp.opcode != SRP_RSP)) {
 		if (printk_ratelimit())
-			printk(KERN_WARNING 
-			       "ibmvscsi: reset bad SRP RSP type %d\n",
-			       srp_rsp.srp.rsp.opcode);
+			sdev_printk(KERN_WARNING, cmd->device, "reset bad SRP RSP type %d\n",
+				    srp_rsp.srp.rsp.opcode);
 		return FAILED;
 	}
 
@@ -1123,9 +1146,9 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 
 	if (rsp_rc) {
 		if (printk_ratelimit())
-			printk(KERN_WARNING 
-			       "ibmvscsi: reset code %d for task tag 0x%lx\n",
-			       rsp_rc, tsk_mgmt->task_tag);
+			sdev_printk(KERN_WARNING, cmd->device,
+				    "reset code %d for task tag 0x%lx\n",
+				    rsp_rc, tsk_mgmt->task_tag);
 		return FAILED;
 	}
 
@@ -1154,32 +1177,30 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 }
 
 /**
- * purge_requests: Our virtual adapter just shut down.  purge any sent requests
- * @hostdata:    the adapter
- */
-static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
+ * ibmvscsi_eh_host_reset_handler - Reset the connection to the server
+ * @cmd:	struct scsi_cmnd having problems
+*/
+static int ibmvscsi_eh_host_reset_handler(struct scsi_cmnd *cmd)
 {
-	struct srp_event_struct *tmp_evt, *pos;
-	unsigned long flags;
+	unsigned long wait_switch = 0;
+	struct ibmvscsi_host_data *hostdata =
+		(struct ibmvscsi_host_data *)cmd->device->host->hostdata;
 
-	spin_lock_irqsave(hostdata->host->host_lock, flags);
-	list_for_each_entry_safe(tmp_evt, pos, &hostdata->sent, list) {
-		list_del(&tmp_evt->list);
-		if (tmp_evt->cmnd) {
-			tmp_evt->cmnd->result = (error_code << 16);
-			unmap_cmd_data(&tmp_evt->iu.srp.cmd, 
-				       tmp_evt,	
-				       tmp_evt->hostdata->dev);
-			if (tmp_evt->cmnd_done)
-				tmp_evt->cmnd_done(tmp_evt->cmnd);
-		} else {
-			if (tmp_evt->done) {
-				tmp_evt->done(tmp_evt);
-			}
-		}
-		free_event_struct(&tmp_evt->hostdata->pool, tmp_evt);
+	dev_err(hostdata->dev, "Resetting connection due to error recovery\n");
+
+	ibmvscsi_reset_host(hostdata);
+
+	for (wait_switch = jiffies + (init_timeout * HZ);
+	     time_before(jiffies, wait_switch) &&
+		     atomic_read(&hostdata->request_limit) < 2;) {
+
+		msleep(10);
 	}
-	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
+
+	if (atomic_read(&hostdata->request_limit) <= 0)
+		return FAILED;
+
+	return SUCCESS;
 }
 
 /**
@@ -1191,6 +1212,7 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code)
 void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 			 struct ibmvscsi_host_data *hostdata)
 {
+	long rc;
 	unsigned long flags;
 	struct srp_event_struct *evt_struct =
 	    (struct srp_event_struct *)crq->IU_data_ptr;
@@ -1198,27 +1220,25 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 	case 0xC0:		/* initialization */
 		switch (crq->format) {
 		case 0x01:	/* Initialization message */
-			printk(KERN_INFO "ibmvscsi: partner initialized\n");
+			dev_info(hostdata->dev, "partner initialized\n");
 			/* Send back a response */
-			if (ibmvscsi_send_crq(hostdata,
-					      0xC002000000000000LL, 0) == 0) {
+			if ((rc = ibmvscsi_send_crq(hostdata,
+						    0xC002000000000000LL, 0)) == 0) {
 				/* Now login */
 				send_srp_login(hostdata);
 			} else {
-				printk(KERN_ERR
-				       "ibmvscsi: Unable to send init rsp\n");
+				dev_err(hostdata->dev, "Unable to send init rsp. rc=%ld\n", rc);
 			}
 
 			break;
 		case 0x02:	/* Initialization response */
-			printk(KERN_INFO
-			       "ibmvscsi: partner initialization complete\n");
+			dev_info(hostdata->dev, "partner initialization complete\n");
 
 			/* Now login */
 			send_srp_login(hostdata);
 			break;
 		default:
-			printk(KERN_ERR "ibmvscsi: unknown crq message type\n");
+			dev_err(hostdata->dev, "unknown crq message type: %d\n", crq->format);
 		}
 		return;
 	case 0xFF:	/* Hypervisor telling us the connection is closed */
@@ -1226,8 +1246,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 		atomic_set(&hostdata->request_limit, 0);
 		if (crq->format == 0x06) {
 			/* We need to re-setup the interpartition connection */
-			printk(KERN_INFO
-			       "ibmvscsi: Re-enabling adapter!\n");
+			dev_info(hostdata->dev, "Re-enabling adapter!\n");
 			purge_requests(hostdata, DID_REQUEUE);
 			if ((ibmvscsi_reenable_crq_queue(&hostdata->queue,
 							hostdata)) ||
@@ -1235,14 +1254,11 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 					       0xC001000000000000LL, 0))) {
 					atomic_set(&hostdata->request_limit,
 						   -1);
-					printk(KERN_ERR
-					       "ibmvscsi: error after"
-					       " enable\n");
+					dev_err(hostdata->dev, "error after enable\n");
 			}
 		} else {
-			printk(KERN_INFO
-			       "ibmvscsi: Virtual adapter failed rc %d!\n",
-			       crq->format);
+			dev_err(hostdata->dev, "Virtual adapter failed rc %d!\n",
+				crq->format);
 
 			purge_requests(hostdata, DID_ERROR);
 			if ((ibmvscsi_reset_crq_queue(&hostdata->queue,
@@ -1251,8 +1267,7 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 					       0xC001000000000000LL, 0))) {
 					atomic_set(&hostdata->request_limit,
 						   -1);
-					printk(KERN_ERR
-					       "ibmvscsi: error after reset\n");
+					dev_err(hostdata->dev, "error after reset\n");
 			}
 		}
 		scsi_unblock_requests(hostdata->host);
@@ -1260,9 +1275,8 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 	case 0x80:		/* real payload */
 		break;
 	default:
-		printk(KERN_ERR
-		       "ibmvscsi: got an invalid message type 0x%02x\n",
-		       crq->valid);
+		dev_err(hostdata->dev, "got an invalid message type 0x%02x\n",
+			crq->valid);
 		return;
 	}
 
@@ -1271,16 +1285,14 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 	 * actually sent
 	 */
 	if (!valid_event_struct(&hostdata->pool, evt_struct)) {
-		printk(KERN_ERR
-		       "ibmvscsi: returned correlation_token 0x%p is invalid!\n",
+		dev_err(hostdata->dev, "returned correlation_token 0x%p is invalid!\n",
 		       (void *)crq->IU_data_ptr);
 		return;
 	}
 
 	if (atomic_read(&evt_struct->free)) {
-		printk(KERN_ERR
-		       "ibmvscsi: received duplicate  correlation_token 0x%p!\n",
-		       (void *)crq->IU_data_ptr);
+		dev_err(hostdata->dev, "received duplicate correlation_token 0x%p!\n",
+			(void *)crq->IU_data_ptr);
 		return;
 	}
 
@@ -1288,11 +1300,12 @@ void ibmvscsi_handle_crq(struct viosrp_crq *crq,
 		atomic_add(evt_struct->xfer_iu->srp.rsp.req_lim_delta,
 			   &hostdata->request_limit);
 
+	del_timer(&evt_struct->timer);
+
 	if (evt_struct->done)
 		evt_struct->done(evt_struct);
 	else
-		printk(KERN_ERR
-		       "ibmvscsi: returned done() is NULL; not running it!\n");
+		dev_err(hostdata->dev, "returned done() is NULL; not running it!\n");
 
 	/*
 	 * Lock the host_lock before messing with these structures, since we
@@ -1313,20 +1326,20 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 {
 	struct viosrp_host_config *host_config;
 	struct srp_event_struct *evt_struct;
+	unsigned long flags;
 	dma_addr_t addr;
 	int rc;
 
 	evt_struct = get_event_struct(&hostdata->pool);
 	if (!evt_struct) {
-		printk(KERN_ERR
-		       "ibmvscsi: could't allocate event for HOST_CONFIG!\n");
+		dev_err(hostdata->dev, "couldn't allocate event for HOST_CONFIG!\n");
 		return -1;
 	}
 
 	init_event_struct(evt_struct,
 			  sync_completion,
 			  VIOSRP_MAD_FORMAT,
-			  init_timeout * HZ);
+			  init_timeout);
 
 	host_config = &evt_struct->iu.mad.host_config;
 
@@ -1339,14 +1352,15 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata,
 						    DMA_BIDIRECTIONAL);
 
 	if (dma_mapping_error(host_config->buffer)) {
-		printk(KERN_ERR
-		       "ibmvscsi: dma_mapping error " "getting host config\n");
+		dev_err(hostdata->dev, "dma_mapping error getting host config\n");
 		free_event_struct(&hostdata->pool, evt_struct);
 		return -1;
 	}
 
 	init_completion(&evt_struct->comp);
-	rc = ibmvscsi_send_srp_event(evt_struct, hostdata);
+	spin_lock_irqsave(hostdata->host->host_lock, flags);
+	rc = ibmvscsi_send_srp_event(evt_struct, hostdata, init_timeout * 2);
+	spin_unlock_irqrestore(hostdata->host->host_lock, flags);
 	if (rc == 0)
 		wait_for_completion(&evt_struct->comp);
 	dma_unmap_single(hostdata->dev, addr, length, DMA_BIDIRECTIONAL);
@@ -1375,6 +1389,23 @@ static int ibmvscsi_slave_configure(struct scsi_device *sdev)
 	return 0;
 }
 
+/**
+ * ibmvscsi_change_queue_depth - Change the device's queue depth
+ * @sdev:	scsi device struct
+ * @qdepth:	depth to set
+ *
+ * Return value:
+ * 	actual depth set
+ **/
+static int ibmvscsi_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+	if (qdepth > IBMVSCSI_MAX_CMDS_PER_LUN)
+		qdepth = IBMVSCSI_MAX_CMDS_PER_LUN;
+
+	scsi_adjust_queue_depth(sdev, 0, qdepth);
+	return sdev->queue_depth;
+}
+
 /* ------------------------------------------------------------
  * sysfs attributes
  */
@@ -1520,7 +1551,9 @@ static struct scsi_host_template driver_template = {
 	.queuecommand = ibmvscsi_queuecommand,
 	.eh_abort_handler = ibmvscsi_eh_abort_handler,
 	.eh_device_reset_handler = ibmvscsi_eh_device_reset_handler,
+	.eh_host_reset_handler = ibmvscsi_eh_host_reset_handler,
 	.slave_configure = ibmvscsi_slave_configure,
+	.change_queue_depth = ibmvscsi_change_queue_depth,
 	.cmd_per_lun = 16,
 	.can_queue = IBMVSCSI_MAX_REQUESTS_DEFAULT,
 	.this_id = -1,
@@ -1545,7 +1578,7 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	driver_template.can_queue = max_requests;
 	host = scsi_host_alloc(&driver_template, sizeof(*hostdata));
 	if (!host) {
-		printk(KERN_ERR "ibmvscsi: couldn't allocate host data\n");
+		dev_err(&vdev->dev, "couldn't allocate host data\n");
 		goto scsi_host_alloc_failed;
 	}
 
@@ -1559,11 +1592,11 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 
 	rc = ibmvscsi_init_crq_queue(&hostdata->queue, hostdata, max_requests);
 	if (rc != 0 && rc != H_RESOURCE) {
-		printk(KERN_ERR "ibmvscsi: couldn't initialize crq\n");
+		dev_err(&vdev->dev, "couldn't initialize crq. rc=%d\n", rc);
 		goto init_crq_failed;
 	}
 	if (initialize_event_pool(&hostdata->pool, max_requests, hostdata) != 0) {
-		printk(KERN_ERR "ibmvscsi: couldn't initialize event pool\n");
+		dev_err(&vdev->dev, "couldn't initialize event pool\n");
 		goto init_pool_failed;
 	}
 

drivers/scsi/ibmvscsi/ibmvscsi.h

@@ -45,6 +45,7 @@ struct Scsi_Host;
 #define MAX_INDIRECT_BUFS 10
 
 #define IBMVSCSI_MAX_REQUESTS_DEFAULT 100
+#define IBMVSCSI_MAX_CMDS_PER_LUN 64
 
 /* ------------------------------------------------------------
  * Data Structures
@@ -69,6 +70,7 @@ struct srp_event_struct {
 	union viosrp_iu iu;
 	void (*cmnd_done) (struct scsi_cmnd *);
 	struct completion comp;
+	struct timer_list timer;
 	union viosrp_iu *sync_srp;
 	struct srp_direct_buf *ext_list;
 	dma_addr_t ext_list_token;

drivers/scsi/ibmvscsi/rpa_vscsi.c

@@ -177,7 +177,7 @@ static void set_adapter_info(struct ibmvscsi_host_data *hostdata)
 	memset(&hostdata->madapter_info, 0x00,
 			sizeof(hostdata->madapter_info));
 
-	printk(KERN_INFO "rpa_vscsi: SPR_VERSION: %s\n", SRP_VERSION);
+	dev_info(hostdata->dev, "SRP_VERSION: %s\n", SRP_VERSION);
 	strcpy(hostdata->madapter_info.srp_version, SRP_VERSION);
 
 	strncpy(hostdata->madapter_info.partition_name, partition_name,
@@ -232,25 +232,24 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
 
 	if (rc == 2) {
 		/* Adapter is good, but other end is not ready */
-		printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
+		dev_warn(hostdata->dev, "Partner adapter not ready\n");
 		retrc = 0;
 	} else if (rc != 0) {
-		printk(KERN_WARNING "ibmvscsi: Error %d opening adapter\n", rc);
+		dev_warn(hostdata->dev, "Error %d opening adapter\n", rc);
 		goto reg_crq_failed;
 	}
 
 	if (request_irq(vdev->irq,
 			ibmvscsi_handle_event,
 			0, "ibmvscsi", (void *)hostdata) != 0) {
-		printk(KERN_ERR "ibmvscsi: couldn't register irq 0x%x\n",
-		       vdev->irq);
+		dev_err(hostdata->dev, "couldn't register irq 0x%x\n",
+			vdev->irq);
 		goto req_irq_failed;
 	}
 
 	rc = vio_enable_interrupts(vdev);
 	if (rc != 0) {
-		printk(KERN_ERR "ibmvscsi:  Error %d enabling interrupts!!!\n",
-		       rc);
+		dev_err(hostdata->dev, "Error %d enabling interrupts!!!\n", rc);
 		goto req_irq_failed;
 	}
 
@@ -294,7 +293,7 @@ int ibmvscsi_reenable_crq_queue(struct crq_queue *queue,
 	} while ((rc == H_IN_PROGRESS) || (rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
 
 	if (rc)
-		printk(KERN_ERR "ibmvscsi: Error %d enabling adapter\n", rc);
+		dev_err(hostdata->dev, "Error %d enabling adapter\n", rc);
 	return rc;
 }
 
@@ -327,10 +326,9 @@ int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
 				queue->msg_token, PAGE_SIZE);
 	if (rc == 2) {
 		/* Adapter is good, but other end is not ready */
-		printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
+		dev_warn(hostdata->dev, "Partner adapter not ready\n");
 	} else if (rc != 0) {
-		printk(KERN_WARNING
-		       "ibmvscsi: couldn't register crq--rc 0x%x\n", rc);
+		dev_warn(hostdata->dev, "couldn't register crq--rc 0x%x\n", rc);
 	}
 	return rc;
 }

drivers/scsi/initio.h

@@ -4,6 +4,8 @@
  * Copyright (c) 1994-1998 Initio Corporation
  * All rights reserved.
  *
+ * Cleanups (c) Copyright 2007 Red Hat <alan@redhat.com>
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
@@ -18,27 +20,6 @@
  * along with this program; see the file COPYING.  If not, write to
  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- * --------------------------------------------------------------------------
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification, immediately at the beginning of the file.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * Where this Software is combined with software released under the terms of 
- * the GNU General Public License ("GPL") and the terms of the GPL would require the 
- * combined work to also be released under the terms of the GPL, the terms
- * and conditions of this License will apply in addition to those of the
- * GPL with the exception of any terms or conditions of this License that
- * conflict with, or are expressly prohibited by, the GPL.
- *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -56,17 +37,6 @@
 
 #include <linux/types.h>
 
-#define ULONG   unsigned long
-#define USHORT  unsigned short
-#define UCHAR   unsigned char
-#define BYTE    unsigned char
-#define WORD    unsigned short
-#define DWORD   unsigned long
-#define UBYTE   unsigned char
-#define UWORD   unsigned short
-#define UDWORD  unsigned long
-#define U32     u32
-
 #define TOTAL_SG_ENTRY		32
 #define MAX_SUPPORTED_ADAPTERS  8
 #define MAX_OFFSET		15
@@ -368,55 +338,55 @@ typedef struct {
 /************************************************************************/
 /*              Scatter-Gather Element Structure                        */
 /************************************************************************/
-typedef struct SG_Struc {
-	U32 SG_Ptr;		/* Data Pointer */
-	U32 SG_Len;		/* Data Length */
-} SG;
+struct sg_entry {
+	u32 data;		/* Data Pointer */
+	u32 len;		/* Data Length */
+};
 
 /***********************************************************************
 		SCSI Control Block
 ************************************************************************/
-typedef struct Scsi_Ctrl_Blk {
-	struct Scsi_Ctrl_Blk *SCB_NxtScb;
-	UBYTE SCB_Status;	/*4 */
-	UBYTE SCB_NxtStat;	/*5 */
-	UBYTE SCB_Mode;		/*6 */
-	UBYTE SCB_Msgin;	/*7 SCB_Res0 */
-	UWORD SCB_SGIdx;	/*8 */
-	UWORD SCB_SGMax;	/*A */
+struct scsi_ctrl_blk {
+	struct scsi_ctrl_blk *next;
+	u8 status;	/*4 */
+	u8 next_state;	/*5 */
+	u8 mode;		/*6 */
+	u8 msgin;	/*7 SCB_Res0 */
+	u16 sgidx;	/*8 */
+	u16 sgmax;	/*A */
 #ifdef ALPHA
-	U32 SCB_Reserved[2];	/*C */
+	u32 reserved[2];	/*C */
 #else
-	U32 SCB_Reserved[3];	/*C */
+	u32 reserved[3];	/*C */
 #endif
 
-	U32 SCB_XferLen;	/*18 Current xfer len           */
-	U32 SCB_TotXLen;	/*1C Total xfer len             */
-	U32 SCB_PAddr;		/*20 SCB phy. Addr. */
-
-	UBYTE SCB_Opcode;	/*24 SCB command code */
-	UBYTE SCB_Flags;	/*25 SCB Flags */
-	UBYTE SCB_Target;	/*26 Target Id */
-	UBYTE SCB_Lun;		/*27 Lun */
-	U32 SCB_BufPtr;		/*28 Data Buffer Pointer */
-	U32 SCB_BufLen;		/*2C Data Allocation Length */
-	UBYTE SCB_SGLen;	/*30 SG list # */
-	UBYTE SCB_SenseLen;	/*31 Sense Allocation Length */
-	UBYTE SCB_HaStat;	/*32 */
-	UBYTE SCB_TaStat;	/*33 */
-	UBYTE SCB_CDBLen;	/*34 CDB Length */
-	UBYTE SCB_Ident;	/*35 Identify */
-	UBYTE SCB_TagMsg;	/*36 Tag Message */
-	UBYTE SCB_TagId;	/*37 Queue Tag */
-	UBYTE SCB_CDB[12];	/*38 */
-	U32 SCB_SGPAddr;	/*44 SG List/Sense Buf phy. Addr. */
-	U32 SCB_SensePtr;	/*48 Sense data pointer */
-	void (*SCB_Post) (BYTE *, BYTE *);	/*4C POST routine */
-	struct scsi_cmnd *SCB_Srb;	/*50 SRB Pointer */
-	SG SCB_SGList[TOTAL_SG_ENTRY];	/*54 Start of SG list */
-} SCB;
-
-/* Bit Definition for SCB_Status */
+	u32 xferlen;	/*18 Current xfer len           */
+	u32 totxlen;	/*1C Total xfer len             */
+	u32 paddr;		/*20 SCB phy. Addr. */
+
+	u8 opcode;	/*24 SCB command code */
+	u8 flags;	/*25 SCB Flags */
+	u8 target;	/*26 Target Id */
+	u8 lun;		/*27 Lun */
+	u32 bufptr;		/*28 Data Buffer Pointer */
+	u32 buflen;		/*2C Data Allocation Length */
+	u8 sglen;	/*30 SG list # */
+	u8 senselen;	/*31 Sense Allocation Length */
+	u8 hastat;	/*32 */
+	u8 tastat;	/*33 */
+	u8 cdblen;	/*34 CDB Length */
+	u8 ident;	/*35 Identify */
+	u8 tagmsg;	/*36 Tag Message */
+	u8 tagid;	/*37 Queue Tag */
+	u8 cdb[12];	/*38 */
+	u32 sgpaddr;	/*44 SG List/Sense Buf phy. Addr. */
+	u32 senseptr;	/*48 Sense data pointer */
+	void (*post) (u8 *, u8 *);	/*4C POST routine */
+	struct scsi_cmnd *srb;	/*50 SRB Pointer */
+	struct sg_entry sglist[TOTAL_SG_ENTRY];	/*54 Start of SG list */
+};
+
+/* Bit Definition for status */
 #define SCB_RENT        0x01
 #define SCB_PEND        0x02
 #define SCB_CONTIG      0x04	/* Contigent Allegiance */
@@ -425,17 +395,17 @@ typedef struct Scsi_Ctrl_Blk {
 #define SCB_DONE        0x20
 
 
-/* Opcodes of SCB_Opcode */
+/* Opcodes for opcode */
 #define ExecSCSI        0x1
 #define BusDevRst       0x2
 #define AbortCmd        0x3
 
 
-/* Bit Definition for SCB_Mode */
+/* Bit Definition for mode */
 #define SCM_RSENS       0x01	/* request sense mode */
 
 
-/* Bit Definition for SCB_Flags */
+/* Bit Definition for flags */
 #define SCF_DONE        0x01
 #define SCF_POST        0x02
 #define SCF_SENSE       0x04
@@ -492,15 +462,14 @@ typedef struct Scsi_Ctrl_Blk {
 		Target Device Control Structure
 **********************************************************************/
 
-typedef struct Tar_Ctrl_Struc {
-	UWORD TCS_Flags;	/* 0 */
-	UBYTE TCS_JS_Period;	/* 2 */
-	UBYTE TCS_SConfig0;	/* 3 */
-
-	UWORD TCS_DrvFlags;	/* 4 */
-	UBYTE TCS_DrvHead;	/* 6 */
-	UBYTE TCS_DrvSector;	/* 7 */
-} TCS;
+struct target_control {
+	u16 flags;
+	u8 js_period;
+	u8 sconfig0;
+	u16 drv_flags;
+	u8 heads;
+	u8 sectors;
+};
 
 /***********************************************************************
 		Target Device Control Structure
@@ -523,62 +492,53 @@ typedef struct Tar_Ctrl_Struc {
 #define TCF_DRV_EN_TAG          0x0800
 #define TCF_DRV_255_63          0x0400
 
-typedef struct I91u_Adpt_Struc {
-	UWORD ADPT_BIOS;	/* 0 */
-	UWORD ADPT_BASE;	/* 1 */
-	UBYTE ADPT_Bus;		/* 2 */
-	UBYTE ADPT_Device;	/* 3 */
-	UBYTE ADPT_INTR;	/* 4 */
-} INI_ADPT_STRUCT;
-
-
 /***********************************************************************
 	      Host Adapter Control Structure
 ************************************************************************/
-typedef struct Ha_Ctrl_Struc {
-	UWORD HCS_Base;		/* 00 */
-	UWORD HCS_BIOS;		/* 02 */
-	UBYTE HCS_Intr;		/* 04 */
-	UBYTE HCS_SCSI_ID;	/* 05 */
-	UBYTE HCS_MaxTar;	/* 06 */
-	UBYTE HCS_NumScbs;	/* 07 */
-
-	UBYTE HCS_Flags;	/* 08 */
-	UBYTE HCS_Index;	/* 09 */
-	UBYTE HCS_HaId;		/* 0A */
-	UBYTE HCS_Config;	/* 0B */
-	UWORD HCS_IdMask;	/* 0C */
-	UBYTE HCS_Semaph;	/* 0E */
-	UBYTE HCS_Phase;	/* 0F */
-	UBYTE HCS_JSStatus0;	/* 10 */
-	UBYTE HCS_JSInt;	/* 11 */
-	UBYTE HCS_JSStatus1;	/* 12 */
-	UBYTE HCS_SConf1;	/* 13 */
-
-	UBYTE HCS_Msg[8];	/* 14 */
-	SCB *HCS_NxtAvail;	/* 1C */
-	SCB *HCS_Scb;		/* 20 */
-	SCB *HCS_ScbEnd;	/* 24 */
-	SCB *HCS_NxtPend;	/* 28 */
-	SCB *HCS_NxtContig;	/* 2C */
-	SCB *HCS_ActScb;	/* 30 */
-	TCS *HCS_ActTcs;	/* 34 */
-
-	SCB *HCS_FirstAvail;	/* 38 */
-	SCB *HCS_LastAvail;	/* 3C */
-	SCB *HCS_FirstPend;	/* 40 */
-	SCB *HCS_LastPend;	/* 44 */
-	SCB *HCS_FirstBusy;	/* 48 */
-	SCB *HCS_LastBusy;	/* 4C */
-	SCB *HCS_FirstDone;	/* 50 */
-	SCB *HCS_LastDone;	/* 54 */
-	UBYTE HCS_MaxTags[16];	/* 58 */
-	UBYTE HCS_ActTags[16];	/* 68 */
-	TCS HCS_Tcs[MAX_TARGETS];	/* 78 */
-	spinlock_t HCS_AvailLock;
-	spinlock_t HCS_SemaphLock;
+struct initio_host {
+	u16 addr;		/* 00 */
+	u16 bios_addr;		/* 02 */
+	u8 irq;			/* 04 */
+	u8 scsi_id;		/* 05 */
+	u8 max_tar;		/* 06 */
+	u8 num_scbs;		/* 07 */
+
+	u8 flags;		/* 08 */
+	u8 index;		/* 09 */
+	u8 ha_id;		/* 0A */
+	u8 config;		/* 0B */
+	u16 idmask;		/* 0C */
+	u8 semaph;		/* 0E */
+	u8 phase;		/* 0F */
+	u8 jsstatus0;		/* 10 */
+	u8 jsint;		/* 11 */
+	u8 jsstatus1;		/* 12 */
+	u8 sconf1;		/* 13 */
+
+	u8 msg[8];		/* 14 */
+	struct scsi_ctrl_blk *next_avail;	/* 1C */
+	struct scsi_ctrl_blk *scb;		/* 20 */
+	struct scsi_ctrl_blk *scb_end;		/* 24 */ /*UNUSED*/
+	struct scsi_ctrl_blk *next_pending;	/* 28 */
+	struct scsi_ctrl_blk *next_contig;	/* 2C */ /*UNUSED*/
+	struct scsi_ctrl_blk *active;		/* 30 */
+	struct target_control *active_tc;	/* 34 */
+
+	struct scsi_ctrl_blk *first_avail;	/* 38 */
+	struct scsi_ctrl_blk *last_avail;	/* 3C */
+	struct scsi_ctrl_blk *first_pending;	/* 40 */
+	struct scsi_ctrl_blk *last_pending;	/* 44 */
+	struct scsi_ctrl_blk *first_busy;	/* 48 */
+	struct scsi_ctrl_blk *last_busy;	/* 4C */
+	struct scsi_ctrl_blk *first_done;	/* 50 */
+	struct scsi_ctrl_blk *last_done;	/* 54 */
+	u8 max_tags[16];	/* 58 */
+	u8 act_tags[16];	/* 68 */
+	struct target_control targets[MAX_TARGETS];	/* 78 */
+	spinlock_t avail_lock;
+	spinlock_t semaph_lock;
 	struct pci_dev *pci_dev;
-} HCS;
+};
 
 /* Bit Definition for HCB_Config */
 #define HCC_SCSI_RESET          0x01
@@ -599,47 +559,47 @@ typedef struct Ha_Ctrl_Struc {
 *******************************************************************/
 
 typedef struct _NVRAM_SCSI {	/* SCSI channel configuration   */
-	UCHAR NVM_ChSCSIID;	/* 0Ch -> Channel SCSI ID       */
-	UCHAR NVM_ChConfig1;	/* 0Dh -> Channel config 1      */
-	UCHAR NVM_ChConfig2;	/* 0Eh -> Channel config 2      */
-	UCHAR NVM_NumOfTarg;	/* 0Fh -> Number of SCSI target */
+	u8 NVM_ChSCSIID;	/* 0Ch -> Channel SCSI ID       */
+	u8 NVM_ChConfig1;	/* 0Dh -> Channel config 1      */
+	u8 NVM_ChConfig2;	/* 0Eh -> Channel config 2      */
+	u8 NVM_NumOfTarg;	/* 0Fh -> Number of SCSI target */
 	/* SCSI target configuration    */
-	UCHAR NVM_Targ0Config;	/* 10h -> Target 0 configuration */
-	UCHAR NVM_Targ1Config;	/* 11h -> Target 1 configuration */
-	UCHAR NVM_Targ2Config;	/* 12h -> Target 2 configuration */
-	UCHAR NVM_Targ3Config;	/* 13h -> Target 3 configuration */
-	UCHAR NVM_Targ4Config;	/* 14h -> Target 4 configuration */
-	UCHAR NVM_Targ5Config;	/* 15h -> Target 5 configuration */
-	UCHAR NVM_Targ6Config;	/* 16h -> Target 6 configuration */
-	UCHAR NVM_Targ7Config;	/* 17h -> Target 7 configuration */
-	UCHAR NVM_Targ8Config;	/* 18h -> Target 8 configuration */
-	UCHAR NVM_Targ9Config;	/* 19h -> Target 9 configuration */
-	UCHAR NVM_TargAConfig;	/* 1Ah -> Target A configuration */
-	UCHAR NVM_TargBConfig;	/* 1Bh -> Target B configuration */
-	UCHAR NVM_TargCConfig;	/* 1Ch -> Target C configuration */
-	UCHAR NVM_TargDConfig;	/* 1Dh -> Target D configuration */
-	UCHAR NVM_TargEConfig;	/* 1Eh -> Target E configuration */
-	UCHAR NVM_TargFConfig;	/* 1Fh -> Target F configuration */
+	u8 NVM_Targ0Config;	/* 10h -> Target 0 configuration */
+	u8 NVM_Targ1Config;	/* 11h -> Target 1 configuration */
+	u8 NVM_Targ2Config;	/* 12h -> Target 2 configuration */
+	u8 NVM_Targ3Config;	/* 13h -> Target 3 configuration */
+	u8 NVM_Targ4Config;	/* 14h -> Target 4 configuration */
+	u8 NVM_Targ5Config;	/* 15h -> Target 5 configuration */
+	u8 NVM_Targ6Config;	/* 16h -> Target 6 configuration */
+	u8 NVM_Targ7Config;	/* 17h -> Target 7 configuration */
+	u8 NVM_Targ8Config;	/* 18h -> Target 8 configuration */
+	u8 NVM_Targ9Config;	/* 19h -> Target 9 configuration */
+	u8 NVM_TargAConfig;	/* 1Ah -> Target A configuration */
+	u8 NVM_TargBConfig;	/* 1Bh -> Target B configuration */
+	u8 NVM_TargCConfig;	/* 1Ch -> Target C configuration */
+	u8 NVM_TargDConfig;	/* 1Dh -> Target D configuration */
+	u8 NVM_TargEConfig;	/* 1Eh -> Target E configuration */
+	u8 NVM_TargFConfig;	/* 1Fh -> Target F configuration */
 } NVRAM_SCSI;
 
 typedef struct _NVRAM {
 /*----------header ---------------*/
-	USHORT NVM_Signature;	/* 0,1: Signature */
-	UCHAR NVM_Size;		/* 2:   Size of data structure */
-	UCHAR NVM_Revision;	/* 3:   Revision of data structure */
+	u16 NVM_Signature;	/* 0,1: Signature */
+	u8 NVM_Size;		/* 2:   Size of data structure */
+	u8 NVM_Revision;	/* 3:   Revision of data structure */
 	/* ----Host Adapter Structure ---- */
-	UCHAR NVM_ModelByte0;	/* 4:   Model number (byte 0) */
-	UCHAR NVM_ModelByte1;	/* 5:   Model number (byte 1) */
-	UCHAR NVM_ModelInfo;	/* 6:   Model information         */
-	UCHAR NVM_NumOfCh;	/* 7:   Number of SCSI channel */
-	UCHAR NVM_BIOSConfig1;	/* 8:   BIOS configuration 1  */
-	UCHAR NVM_BIOSConfig2;	/* 9:   BIOS configuration 2  */
-	UCHAR NVM_HAConfig1;	/* A:   Hoat adapter configuration 1 */
-	UCHAR NVM_HAConfig2;	/* B:   Hoat adapter configuration 2 */
+	u8 NVM_ModelByte0;	/* 4:   Model number (byte 0) */
+	u8 NVM_ModelByte1;	/* 5:   Model number (byte 1) */
+	u8 NVM_ModelInfo;	/* 6:   Model information         */
+	u8 NVM_NumOfCh;	/* 7:   Number of SCSI channel */
+	u8 NVM_BIOSConfig1;	/* 8:   BIOS configuration 1  */
+	u8 NVM_BIOSConfig2;	/* 9:   BIOS configuration 2  */
+	u8 NVM_HAConfig1;	/* A:   Hoat adapter configuration 1 */
+	u8 NVM_HAConfig2;	/* B:   Hoat adapter configuration 2 */
 	NVRAM_SCSI NVM_SCSIInfo[2];
-	UCHAR NVM_reserved[10];
+	u8 NVM_reserved[10];
 	/* ---------- CheckSum ----------       */
-	USHORT NVM_CheckSum;	/* 0x3E, 0x3F: Checksum of NVRam        */
+	u16 NVM_CheckSum;	/* 0x3E, 0x3F: Checksum of NVRam        */
 } NVRAM, *PNVRAM;
 
 /* Bios Configuration for nvram->BIOSConfig1                            */
@@ -681,19 +641,6 @@ typedef struct _NVRAM {
 #define DISC_ALLOW              0xC0	/* Disconnect is allowed        */
 #define SCSICMD_RequestSense    0x03
 
-typedef struct _HCSinfo {
-	ULONG base;
-	UCHAR vec;
-	UCHAR bios;		/* High byte of BIOS address */
-	USHORT BaseAndBios;	/* high byte: pHcsInfo->bios,low byte:pHcsInfo->base */
-} HCSINFO;
-
-#define TUL_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)(x+y)) ))
-#define TUL_RDLONG(x,y)         (ULONG)(inl((int)((ULONG)(x+y)) ))
-#define TUL_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
-#define TUL_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
-#define TUL_WRLONG( adr,data)   outl( (ULONG)(data), (int)(adr))
-
 #define SCSI_ABORT_SNOOZE 0
 #define SCSI_ABORT_SUCCESS 1
 #define SCSI_ABORT_PENDING 2

drivers/scsi/ipr.c

@@ -539,32 +539,6 @@ struct ipr_cmnd *ipr_get_free_ipr_cmnd(struct ipr_ioa_cfg *ioa_cfg)
 	return ipr_cmd;
 }
 
-/**
- * ipr_unmap_sglist - Unmap scatterlist if mapped
- * @ioa_cfg:	ioa config struct
- * @ipr_cmd:	ipr command struct
- *
- * Return value:
- * 	nothing
- **/
-static void ipr_unmap_sglist(struct ipr_ioa_cfg *ioa_cfg,
-			     struct ipr_cmnd *ipr_cmd)
-{
-	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
-
-	if (ipr_cmd->dma_use_sg) {
-		if (scsi_cmd->use_sg > 0) {
-			pci_unmap_sg(ioa_cfg->pdev, scsi_cmd->request_buffer,
-				     scsi_cmd->use_sg,
-				     scsi_cmd->sc_data_direction);
-		} else {
-			pci_unmap_single(ioa_cfg->pdev, ipr_cmd->dma_handle,
-					 scsi_cmd->request_bufflen,
-					 scsi_cmd->sc_data_direction);
-		}
-	}
-}
-
 /**
  * ipr_mask_and_clear_interrupts - Mask all and clear specified interrupts
  * @ioa_cfg:	ioa config struct
@@ -677,7 +651,7 @@ static void ipr_scsi_eh_done(struct ipr_cmnd *ipr_cmd)
 
 	scsi_cmd->result |= (DID_ERROR << 16);
 
-	ipr_unmap_sglist(ioa_cfg, ipr_cmd);
+	scsi_dma_unmap(ipr_cmd->scsi_cmd);
 	scsi_cmd->scsi_done(scsi_cmd);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
 }
@@ -4298,93 +4272,55 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg,
 			   struct ipr_cmnd *ipr_cmd)
 {
-	int i;
-	struct scatterlist *sglist;
+	int i, nseg;
+	struct scatterlist *sg;
 	u32 length;
 	u32 ioadl_flags = 0;
 	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
 	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 
-	length = scsi_cmd->request_bufflen;
-
-	if (length == 0)
+	length = scsi_bufflen(scsi_cmd);
+	if (!length)
 		return 0;
 
-	if (scsi_cmd->use_sg) {
-		ipr_cmd->dma_use_sg = pci_map_sg(ioa_cfg->pdev,
-						 scsi_cmd->request_buffer,
-						 scsi_cmd->use_sg,
-						 scsi_cmd->sc_data_direction);
-
-		if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
-			ioadl_flags = IPR_IOADL_FLAGS_WRITE;
-			ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
-			ioarcb->write_data_transfer_length = cpu_to_be32(length);
-			ioarcb->write_ioadl_len =
-				cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
-		} else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) {
-			ioadl_flags = IPR_IOADL_FLAGS_READ;
-			ioarcb->read_data_transfer_length = cpu_to_be32(length);
-			ioarcb->read_ioadl_len =
-				cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
-		}
-
-		sglist = scsi_cmd->request_buffer;
+	nseg = scsi_dma_map(scsi_cmd);
+	if (nseg < 0) {
+		dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n");
+		return -1;
+	}
 
-		if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->add_data.u.ioadl)) {
-			ioadl = ioarcb->add_data.u.ioadl;
-			ioarcb->write_ioadl_addr =
-				cpu_to_be32(be32_to_cpu(ioarcb->ioarcb_host_pci_addr) +
-					    offsetof(struct ipr_ioarcb, add_data));
-			ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
-		}
+	ipr_cmd->dma_use_sg = nseg;
 
-		for (i = 0; i < ipr_cmd->dma_use_sg; i++) {
-			ioadl[i].flags_and_data_len =
-				cpu_to_be32(ioadl_flags | sg_dma_len(&sglist[i]));
-			ioadl[i].address =
-				cpu_to_be32(sg_dma_address(&sglist[i]));
-		}
+	if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
+		ioadl_flags = IPR_IOADL_FLAGS_WRITE;
+		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
+		ioarcb->write_data_transfer_length = cpu_to_be32(length);
+		ioarcb->write_ioadl_len =
+			cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
+	} else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) {
+		ioadl_flags = IPR_IOADL_FLAGS_READ;
+		ioarcb->read_data_transfer_length = cpu_to_be32(length);
+		ioarcb->read_ioadl_len =
+			cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
+	}
 
-		if (likely(ipr_cmd->dma_use_sg)) {
-			ioadl[i-1].flags_and_data_len |=
-				cpu_to_be32(IPR_IOADL_FLAGS_LAST);
-			return 0;
-		} else
-			dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n");
-	} else {
-		if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
-			ioadl_flags = IPR_IOADL_FLAGS_WRITE;
-			ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
-			ioarcb->write_data_transfer_length = cpu_to_be32(length);
-			ioarcb->write_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-		} else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) {
-			ioadl_flags = IPR_IOADL_FLAGS_READ;
-			ioarcb->read_data_transfer_length = cpu_to_be32(length);
-			ioarcb->read_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-		}
+	if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->add_data.u.ioadl)) {
+		ioadl = ioarcb->add_data.u.ioadl;
+		ioarcb->write_ioadl_addr =
+			cpu_to_be32(be32_to_cpu(ioarcb->ioarcb_host_pci_addr) +
+				    offsetof(struct ipr_ioarcb, add_data));
+		ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+	}
 
-		ipr_cmd->dma_handle = pci_map_single(ioa_cfg->pdev,
-						     scsi_cmd->request_buffer, length,
-						     scsi_cmd->sc_data_direction);
-
-		if (likely(!pci_dma_mapping_error(ipr_cmd->dma_handle))) {
-			ioadl = ioarcb->add_data.u.ioadl;
-			ioarcb->write_ioadl_addr =
-				cpu_to_be32(be32_to_cpu(ioarcb->ioarcb_host_pci_addr) +
-					    offsetof(struct ipr_ioarcb, add_data));
-			ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
-			ipr_cmd->dma_use_sg = 1;
-			ioadl[0].flags_and_data_len =
-				cpu_to_be32(ioadl_flags | length | IPR_IOADL_FLAGS_LAST);
-			ioadl[0].address = cpu_to_be32(ipr_cmd->dma_handle);
-			return 0;
-		} else
-			dev_err(&ioa_cfg->pdev->dev, "pci_map_single failed!\n");
+	scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) {
+		ioadl[i].flags_and_data_len =
+			cpu_to_be32(ioadl_flags | sg_dma_len(sg));
+		ioadl[i].address = cpu_to_be32(sg_dma_address(sg));
 	}
 
-	return -1;
+	ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
+	return 0;
 }
 
 /**
@@ -4447,7 +4383,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
 			res->needs_sync_complete = 1;
 		res->in_erp = 0;
 	}
-	ipr_unmap_sglist(ioa_cfg, ipr_cmd);
+	scsi_dma_unmap(ipr_cmd->scsi_cmd);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
 	scsi_cmd->scsi_done(scsi_cmd);
 }
@@ -4825,7 +4761,7 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
 		break;
 	}
 
-	ipr_unmap_sglist(ioa_cfg, ipr_cmd);
+	scsi_dma_unmap(ipr_cmd->scsi_cmd);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
 	scsi_cmd->scsi_done(scsi_cmd);
 }
@@ -4846,10 +4782,10 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd)
 	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
 	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
 
-	scsi_cmd->resid = be32_to_cpu(ipr_cmd->ioasa.residual_data_len);
+	scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->ioasa.residual_data_len));
 
 	if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) {
-		ipr_unmap_sglist(ioa_cfg, ipr_cmd);
+		scsi_dma_unmap(ipr_cmd->scsi_cmd);
 		list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
 		scsi_cmd->scsi_done(scsi_cmd);
 	} else

drivers/scsi/ips.c

@@ -211,19 +211,6 @@ module_param(ips, charp, 0);
 #warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
 #endif
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
-#include <linux/blk.h>
-#include "sd.h"
-#define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(&io_request_lock,flags)
-#define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(&io_request_lock,flags)
-#ifndef __devexit_p
-#define __devexit_p(x) x
-#endif
-#else
-#define IPS_LOCK_SAVE(lock,flags) do{spin_lock(lock);(void)flags;}while(0)
-#define IPS_UNLOCK_RESTORE(lock,flags) do{spin_unlock(lock);(void)flags;}while(0)
-#endif
-
 #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
                          DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
                          PCI_DMA_BIDIRECTIONAL : \
@@ -381,24 +368,13 @@ static struct scsi_host_template ips_driver_template = {
 	.eh_abort_handler	= ips_eh_abort,
 	.eh_host_reset_handler	= ips_eh_reset,
 	.proc_name		= "ips",
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
 	.proc_info		= ips_proc_info,
 	.slave_configure	= ips_slave_configure,
-#else
-	.proc_info		= ips_proc24_info,
-	.select_queue_depths	= ips_select_queue_depth,
-#endif
 	.bios_param		= ips_biosparam,
 	.this_id		= -1,
 	.sg_tablesize		= IPS_MAX_SG,
 	.cmd_per_lun		= 3,
 	.use_clustering		= ENABLE_CLUSTERING,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-	.use_new_eh_code	= 1,
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)  &&  LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    .highmem_io          = 1,   
-#endif
 };
 
 
@@ -731,7 +707,7 @@ ips_release(struct Scsi_Host *sh)
 	/* free IRQ */
 	free_irq(ha->irq, ha);
 
-	IPS_REMOVE_HOST(sh);
+	scsi_remove_host(sh);
 	scsi_host_put(sh);
 
 	ips_released_controllers++;
@@ -813,7 +789,6 @@ int ips_eh_abort(struct scsi_cmnd *SC)
 	ips_ha_t *ha;
 	ips_copp_wait_item_t *item;
 	int ret;
-	unsigned long cpu_flags;
 	struct Scsi_Host *host;
 
 	METHOD_TRACE("ips_eh_abort", 1);
@@ -830,7 +805,7 @@ int ips_eh_abort(struct scsi_cmnd *SC)
 	if (!ha->active)
 		return (FAILED);
 
-	IPS_LOCK_SAVE(host->host_lock, cpu_flags);
+	spin_lock(host->host_lock);
 
 	/* See if the command is on the copp queue */
 	item = ha->copp_waitlist.head;
@@ -851,7 +826,7 @@ int ips_eh_abort(struct scsi_cmnd *SC)
 		ret = (FAILED);
 	}
 
-	IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
+	spin_unlock(host->host_lock);
 	return ret;
 }
 
@@ -1129,7 +1104,7 @@ static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
 		/* A Reset IOCTL is only sent by the boot CD in extreme cases.           */
 		/* There can never be any system activity ( network or disk ), but check */
 		/* anyway just as a good practice.                                       */
-		pt = (ips_passthru_t *) SC->request_buffer;
+		pt = (ips_passthru_t *) scsi_sglist(SC);
 		if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
 		    (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
 			if (ha->scb_activelist.count != 0) {
@@ -1176,18 +1151,10 @@ static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
 /*   Set bios geometry for the controller                                   */
 /*                                                                          */
 /****************************************************************************/
-static int
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-ips_biosparam(Disk * disk, kdev_t dev, int geom[])
-{
-	ips_ha_t *ha = (ips_ha_t *) disk->device->host->hostdata;
-	unsigned long capacity = disk->capacity;
-#else
-ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
-	      sector_t capacity, int geom[])
+static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
+			 sector_t capacity, int geom[])
 {
 	ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
-#endif
 	int heads;
 	int sectors;
 	int cylinders;
@@ -1225,70 +1192,6 @@ ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
 	return (0);
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-
-/* ips_proc24_info is a wrapper around ips_proc_info *
- * for compatibility with the 2.4 scsi parameters    */
-static int
-ips_proc24_info(char *buffer, char **start, off_t offset, int length,
-		              int hostno, int func)
-{
-	int i;
-
-	for (i = 0; i < ips_next_controller; i++) {
-		if (ips_sh[i] && ips_sh[i]->host_no == hostno) {
-			return ips_proc_info(ips_sh[i], buffer, start,
-					     offset, length, func);
-		}
-	}
-	return -EINVAL;	
-}
-
-/****************************************************************************/
-/*                                                                          */
-/* Routine Name: ips_select_queue_depth                                     */
-/*                                                                          */
-/* Routine Description:                                                     */
-/*                                                                          */
-/*   Select queue depths for the devices on the contoller                   */
-/*                                                                          */
-/****************************************************************************/
-static void
-ips_select_queue_depth(struct Scsi_Host *host, struct scsi_device * scsi_devs)
-{
-	struct scsi_device *device;
-	ips_ha_t *ha;
-	int count = 0;
-	int min;
-
-	ha = IPS_HA(host);
-	min = ha->max_cmds / 4;
-
-	for (device = scsi_devs; device; device = device->next) {
-		if (device->host == host) {
-			if ((device->channel == 0) && (device->type == 0))
-				count++;
-		}
-	}
-
-	for (device = scsi_devs; device; device = device->next) {
-		if (device->host == host) {
-			if ((device->channel == 0) && (device->type == 0)) {
-				device->queue_depth =
-				    (ha->max_cmds - 1) / count;
-				if (device->queue_depth < min)
-					device->queue_depth = min;
-			} else {
-				device->queue_depth = 2;
-			}
-
-			if (device->queue_depth < 2)
-				device->queue_depth = 2;
-		}
-	}
-}
-
-#else
 /****************************************************************************/
 /*                                                                          */
 /* Routine Name: ips_slave_configure                                        */
@@ -1316,7 +1219,6 @@ ips_slave_configure(struct scsi_device * SDptr)
 	SDptr->skip_ms_page_3f = 1;
 	return 0;
 }
-#endif
 
 /****************************************************************************/
 /*                                                                          */
@@ -1331,7 +1233,6 @@ static irqreturn_t
 do_ipsintr(int irq, void *dev_id)
 {
 	ips_ha_t *ha;
-	unsigned long cpu_flags;
 	struct Scsi_Host *host;
 	int irqstatus;
 
@@ -1347,16 +1248,16 @@ do_ipsintr(int irq, void *dev_id)
 		return IRQ_HANDLED;
 	}
 
-	IPS_LOCK_SAVE(host->host_lock, cpu_flags);
+	spin_lock(host->host_lock);
 
 	if (!ha->active) {
-		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
+		spin_unlock(host->host_lock);
 		return IRQ_HANDLED;
 	}
 
 	irqstatus = (*ha->func.intr) (ha);
 
-	IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
+	spin_unlock(host->host_lock);
 
 	/* start the next command */
 	ips_next(ha, IPS_INTR_ON);
@@ -1606,30 +1507,22 @@ static int ips_is_passthru(struct scsi_cmnd *SC)
 	if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
 	    (SC->device->channel == 0) &&
 	    (SC->device->id == IPS_ADAPTER_ID) &&
-	    (SC->device->lun == 0) && SC->request_buffer) {
-		if ((!SC->use_sg) && SC->request_bufflen &&
-		    (((char *) SC->request_buffer)[0] == 'C') &&
-		    (((char *) SC->request_buffer)[1] == 'O') &&
-		    (((char *) SC->request_buffer)[2] == 'P') &&
-		    (((char *) SC->request_buffer)[3] == 'P'))
-			return 1;
-		else if (SC->use_sg) {
-			struct scatterlist *sg = SC->request_buffer;
-			char  *buffer; 
-
-			/* kmap_atomic() ensures addressability of the user buffer.*/
-			/* local_irq_save() protects the KM_IRQ0 address slot.     */
-			local_irq_save(flags);
-			buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; 
-			if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
-			    buffer[2] == 'P' && buffer[3] == 'P') {
-				kunmap_atomic(buffer - sg->offset, KM_IRQ0);
-				local_irq_restore(flags);
-				return 1;
-			}
-			kunmap_atomic(buffer - sg->offset, KM_IRQ0);
-			local_irq_restore(flags);
-		}
+	    (SC->device->lun == 0) && scsi_sglist(SC)) {
+                struct scatterlist *sg = scsi_sglist(SC);
+                char  *buffer;
+
+                /* kmap_atomic() ensures addressability of the user buffer.*/
+                /* local_irq_save() protects the KM_IRQ0 address slot.     */
+                local_irq_save(flags);
+                buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+                if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
+                    buffer[2] == 'P' && buffer[3] == 'P') {
+                        kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+                        local_irq_restore(flags);
+                        return 1;
+                }
+                kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+                local_irq_restore(flags);
 	}
 	return 0;
 }
@@ -1680,18 +1573,14 @@ ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
 {
 	ips_passthru_t *pt;
 	int length = 0;
-	int ret;
+	int i, ret;
+        struct scatterlist *sg = scsi_sglist(SC);
 
 	METHOD_TRACE("ips_make_passthru", 1);
 
-	if (!SC->use_sg) {
-		length = SC->request_bufflen;
-	} else {
-		struct scatterlist *sg = SC->request_buffer;
-		int i;
-		for (i = 0; i < SC->use_sg; i++)
-			length += sg[i].length;
-	}
+        scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
+                length += sg[i].length;
+
 	if (length < sizeof (ips_passthru_t)) {
 		/* wrong size */
 		DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
@@ -2115,7 +2004,7 @@ ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
 
 	METHOD_TRACE("ips_cleanup_passthru", 1);
 
-	if ((!scb) || (!scb->scsi_cmd) || (!scb->scsi_cmd->request_buffer)) {
+	if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
 		DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
 			  ips_name, ha->host_num);
 
@@ -2730,7 +2619,6 @@ ips_next(ips_ha_t * ha, int intr)
 	struct scsi_cmnd *q;
 	ips_copp_wait_item_t *item;
 	int ret;
-	unsigned long cpu_flags = 0;
 	struct Scsi_Host *host;
 	METHOD_TRACE("ips_next", 1);
 
@@ -2742,7 +2630,7 @@ ips_next(ips_ha_t * ha, int intr)
 	 * this command won't time out
 	 */
 	if (intr == IPS_INTR_ON)
-		IPS_LOCK_SAVE(host->host_lock, cpu_flags);
+		spin_lock(host->host_lock);
 
 	if ((ha->subsys->param[3] & 0x300000)
 	    && (ha->scb_activelist.count == 0)) {
@@ -2769,14 +2657,14 @@ ips_next(ips_ha_t * ha, int intr)
 		item = ips_removeq_copp_head(&ha->copp_waitlist);
 		ha->num_ioctl++;
 		if (intr == IPS_INTR_ON)
-			IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
+			spin_unlock(host->host_lock);
 		scb->scsi_cmd = item->scsi_cmd;
 		kfree(item);
 
 		ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
 
 		if (intr == IPS_INTR_ON)
-			IPS_LOCK_SAVE(host->host_lock, cpu_flags);
+			spin_lock(host->host_lock);
 		switch (ret) {
 		case IPS_FAILURE:
 			if (scb->scsi_cmd) {
@@ -2846,7 +2734,7 @@ ips_next(ips_ha_t * ha, int intr)
 		SC = ips_removeq_wait(&ha->scb_waitlist, q);
 
 		if (intr == IPS_INTR_ON)
-			IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);	/* Unlock HA after command is taken off queue */
+			spin_unlock(host->host_lock);	/* Unlock HA after command is taken off queue */
 
 		SC->result = DID_OK;
 		SC->host_scribble = NULL;
@@ -2866,41 +2754,26 @@ ips_next(ips_ha_t * ha, int intr)
 		/* copy in the CDB */
 		memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
 
-		/* Now handle the data buffer */
-		if (SC->use_sg) {
+                scb->sg_count = scsi_dma_map(SC);
+                BUG_ON(scb->sg_count < 0);
+		if (scb->sg_count) {
 			struct scatterlist *sg;
 			int i;
 
-			sg = SC->request_buffer;
-			scb->sg_count = pci_map_sg(ha->pcidev, sg, SC->use_sg,
-						   SC->sc_data_direction);
 			scb->flags |= IPS_SCB_MAP_SG;
-			for (i = 0; i < scb->sg_count; i++) {
+
+                        scsi_for_each_sg(SC, sg, scb->sg_count, i) {
 				if (ips_fill_scb_sg_single
-				    (ha, sg_dma_address(&sg[i]), scb, i,
-				     sg_dma_len(&sg[i])) < 0)
+				    (ha, sg_dma_address(sg), scb, i,
+				     sg_dma_len(sg)) < 0)
 					break;
 			}
 			scb->dcdb.transfer_length = scb->data_len;
 		} else {
-			if (SC->request_bufflen) {
-				scb->data_busaddr =
-				    pci_map_single(ha->pcidev,
-						   SC->request_buffer,
-						   SC->request_bufflen,
-						   SC->sc_data_direction);
-				scb->flags |= IPS_SCB_MAP_SINGLE;
-				ips_fill_scb_sg_single(ha, scb->data_busaddr,
-						       scb, 0,
-						       SC->request_bufflen);
-				scb->dcdb.transfer_length = scb->data_len;
-			} else {
-				scb->data_busaddr = 0L;
-				scb->sg_len = 0;
-				scb->data_len = 0;
-				scb->dcdb.transfer_length = 0;
-			}
-
+                        scb->data_busaddr = 0L;
+                        scb->sg_len = 0;
+                        scb->data_len = 0;
+                        scb->dcdb.transfer_length = 0;
 		}
 
 		scb->dcdb.cmd_attribute =
@@ -2919,7 +2792,7 @@ ips_next(ips_ha_t * ha, int intr)
 			scb->dcdb.transfer_length = 0;
 		}
 		if (intr == IPS_INTR_ON)
-			IPS_LOCK_SAVE(host->host_lock, cpu_flags);
+			spin_lock(host->host_lock);
 
 		ret = ips_send_cmd(ha, scb);
 
@@ -2958,7 +2831,7 @@ ips_next(ips_ha_t * ha, int intr)
 	}			/* end while */
 
 	if (intr == IPS_INTR_ON)
-		IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags);
+		spin_unlock(host->host_lock);
 }
 
 /****************************************************************************/
@@ -3377,52 +3250,32 @@ ips_done(ips_ha_t * ha, ips_scb_t * scb)
 		 * the rest of the data and continue.
 		 */
 		if ((scb->breakup) || (scb->sg_break)) {
+                        struct scatterlist *sg;
+                        int sg_dma_index, ips_sg_index = 0;
+
 			/* we had a data breakup */
 			scb->data_len = 0;
 
-			if (scb->sg_count) {
-				/* S/G request */
-				struct scatterlist *sg;
-				int ips_sg_index = 0;
-				int sg_dma_index;
-
-				sg = scb->scsi_cmd->request_buffer;
-
-				/* Spin forward to last dma chunk */
-				sg_dma_index = scb->breakup;
-
-				/* Take care of possible partial on last chunk */
-				ips_fill_scb_sg_single(ha,
-						       sg_dma_address(&sg
-								      [sg_dma_index]),
-						       scb, ips_sg_index++,
-						       sg_dma_len(&sg
-								  [sg_dma_index]));
-
-				for (; sg_dma_index < scb->sg_count;
-				     sg_dma_index++) {
-					if (ips_fill_scb_sg_single
-					    (ha,
-					     sg_dma_address(&sg[sg_dma_index]),
-					     scb, ips_sg_index++,
-					     sg_dma_len(&sg[sg_dma_index])) < 0)
-						break;
+                        sg = scsi_sglist(scb->scsi_cmd);
 
-				}
+                        /* Spin forward to last dma chunk */
+                        sg_dma_index = scb->breakup;
 
-			} else {
-				/* Non S/G Request */
-				(void) ips_fill_scb_sg_single(ha,
-							      scb->
-							      data_busaddr +
-							      (scb->sg_break *
-							       ha->max_xfer),
-							      scb, 0,
-							      scb->scsi_cmd->
-							      request_bufflen -
-							      (scb->sg_break *
-							       ha->max_xfer));
-			}
+			/* Take care of possible partial on last chunk */
+                        ips_fill_scb_sg_single(ha,
+                                               sg_dma_address(&sg[sg_dma_index]),
+                                               scb, ips_sg_index++,
+                                               sg_dma_len(&sg[sg_dma_index]));
+
+                        for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
+                             sg_dma_index++) {
+                                if (ips_fill_scb_sg_single
+                                    (ha,
+                                     sg_dma_address(&sg[sg_dma_index]),
+                                     scb, ips_sg_index++,
+                                     sg_dma_len(&sg[sg_dma_index])) < 0)
+                                        break;
+                        }
 
 			scb->dcdb.transfer_length = scb->data_len;
 			scb->dcdb.cmd_attribute |=
@@ -3653,32 +3506,27 @@ ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
 static void
 ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
 {
-	if (scmd->use_sg) {
-		int i;
-		unsigned int min_cnt, xfer_cnt;
-		char *cdata = (char *) data;
-		unsigned char *buffer;
-		unsigned long flags;
-		struct scatterlist *sg = scmd->request_buffer;
-		for (i = 0, xfer_cnt = 0;
-		     (i < scmd->use_sg) && (xfer_cnt < count); i++) {
-			min_cnt = min(count - xfer_cnt, sg[i].length);
-
-			/* kmap_atomic() ensures addressability of the data buffer.*/
-			/* local_irq_save() protects the KM_IRQ0 address slot.     */
-			local_irq_save(flags);
-			buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
-			memcpy(buffer, &cdata[xfer_cnt], min_cnt);
-			kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
-			local_irq_restore(flags);
-
-			xfer_cnt += min_cnt;
-		}
-
-	} else {
-		unsigned int min_cnt = min(count, scmd->request_bufflen);
-		memcpy(scmd->request_buffer, data, min_cnt);
-	}
+        int i;
+        unsigned int min_cnt, xfer_cnt;
+        char *cdata = (char *) data;
+        unsigned char *buffer;
+        unsigned long flags;
+        struct scatterlist *sg = scsi_sglist(scmd);
+
+        for (i = 0, xfer_cnt = 0;
+             (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) {
+                min_cnt = min(count - xfer_cnt, sg[i].length);
+
+                /* kmap_atomic() ensures addressability of the data buffer.*/
+                /* local_irq_save() protects the KM_IRQ0 address slot.     */
+                local_irq_save(flags);
+                buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
+                memcpy(buffer, &cdata[xfer_cnt], min_cnt);
+                kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
+                local_irq_restore(flags);
+
+                xfer_cnt += min_cnt;
+        }
 }
 
 /****************************************************************************/
@@ -3691,32 +3539,27 @@ ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
 static void
 ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
 {
-	if (scmd->use_sg) {
-		int i;
-		unsigned int min_cnt, xfer_cnt;
-		char *cdata = (char *) data;
-		unsigned char *buffer;
-		unsigned long flags;
-		struct scatterlist *sg = scmd->request_buffer;
-		for (i = 0, xfer_cnt = 0;
-		     (i < scmd->use_sg) && (xfer_cnt < count); i++) {
-			min_cnt = min(count - xfer_cnt, sg[i].length);
-
-			/* kmap_atomic() ensures addressability of the data buffer.*/
-			/* local_irq_save() protects the KM_IRQ0 address slot.     */
-			local_irq_save(flags);
-			buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
-			memcpy(&cdata[xfer_cnt], buffer, min_cnt);
-			kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
-			local_irq_restore(flags);
-
-			xfer_cnt += min_cnt;
-		}
-
-	} else {
-		unsigned int min_cnt = min(count, scmd->request_bufflen);
-		memcpy(data, scmd->request_buffer, min_cnt);
-	}
+        int i;
+        unsigned int min_cnt, xfer_cnt;
+        char *cdata = (char *) data;
+        unsigned char *buffer;
+        unsigned long flags;
+        struct scatterlist *sg = scsi_sglist(scmd);
+
+        for (i = 0, xfer_cnt = 0;
+             (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) {
+                min_cnt = min(count - xfer_cnt, sg[i].length);
+
+                /* kmap_atomic() ensures addressability of the data buffer.*/
+                /* local_irq_save() protects the KM_IRQ0 address slot.     */
+                local_irq_save(flags);
+                buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
+                memcpy(&cdata[xfer_cnt], buffer, min_cnt);
+                kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
+                local_irq_restore(flags);
+
+                xfer_cnt += min_cnt;
+        }
 }
 
 /****************************************************************************/
@@ -4350,7 +4193,7 @@ ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
 
 	METHOD_TRACE("ips_rdcap", 1);
 
-	if (scb->scsi_cmd->request_bufflen < 8)
+	if (scsi_bufflen(scb->scsi_cmd) < 8)
 		return (0);
 
 	cap.lba =
@@ -4735,8 +4578,7 @@ ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
 
 	METHOD_TRACE("ips_freescb", 1);
 	if (scb->flags & IPS_SCB_MAP_SG)
-		pci_unmap_sg(ha->pcidev, scb->scsi_cmd->request_buffer,
-			     scb->scsi_cmd->use_sg, IPS_DMA_DIR(scb));
+                scsi_dma_unmap(scb->scsi_cmd);
 	else if (scb->flags & IPS_SCB_MAP_SINGLE)
 		pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
 				 IPS_DMA_DIR(scb));
@@ -7004,7 +6846,6 @@ ips_register_scsi(int index)
 	kfree(oldha);
 	ips_sh[index] = sh;
 	ips_ha[index] = ha;
-	IPS_SCSI_SET_DEVICE(sh, ha);
 
 	/* Store away needed values for later use */
 	sh->io_port = ha->io_addr;
@@ -7016,17 +6857,16 @@ ips_register_scsi(int index)
 	sh->cmd_per_lun = sh->hostt->cmd_per_lun;
 	sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma;
 	sh->use_clustering = sh->hostt->use_clustering;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,7)
 	sh->max_sectors = 128;
-#endif
 
 	sh->max_id = ha->ntargets;
 	sh->max_lun = ha->nlun;
 	sh->max_channel = ha->nbus - 1;
 	sh->can_queue = ha->max_cmds - 1;
 
-	IPS_ADD_HOST(sh, NULL);
+	scsi_add_host(sh, NULL);
+	scsi_scan_host(sh);
+
 	return 0;
 }
 
@@ -7069,7 +6909,7 @@ ips_module_init(void)
 		return -ENODEV;
 	ips_driver_template.module = THIS_MODULE;
 	ips_order_controllers();
-	if (IPS_REGISTER_HOSTS(&ips_driver_template)) {
+	if (!ips_detect(&ips_driver_template)) {
 		pci_unregister_driver(&ips_pci_driver);
 		return -ENODEV;
 	}
@@ -7087,7 +6927,6 @@ ips_module_init(void)
 static void __exit
 ips_module_exit(void)
 {
-	IPS_UNREGISTER_HOSTS(&ips_driver_template);
 	pci_unregister_driver(&ips_pci_driver);
 	unregister_reboot_notifier(&ips_notifier);
 }
@@ -7436,15 +7275,9 @@ ips_init_phase2(int index)
 	return SUCCESS;
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,9)
 MODULE_LICENSE("GPL");
-#endif
-
 MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING);
-
-#ifdef MODULE_VERSION
 MODULE_VERSION(IPS_VER_STRING);
-#endif
 
 
 /*

drivers/scsi/ips.h

@@ -58,10 +58,6 @@
    /*
     * Some handy macros
     */
-   #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) || defined CONFIG_HIGHIO
-      #define IPS_HIGHIO
-   #endif
-
    #define IPS_HA(x)                   ((ips_ha_t *) x->hostdata)
    #define IPS_COMMAND_ID(ha, scb)     (int) (scb - ha->scbs)
    #define IPS_IS_TROMBONE(ha)         (((ha->device_id == IPS_DEVICEID_COPPERHEAD) && \
@@ -84,38 +80,8 @@
     #define IPS_SGLIST_SIZE(ha)       (IPS_USE_ENH_SGLIST(ha) ? \
                                          sizeof(IPS_ENH_SG_LIST) : sizeof(IPS_STD_SG_LIST))
 
-   #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4)
-      #define pci_set_dma_mask(dev,mask) ( mask > 0xffffffff ? 1:0 )
-      #define scsi_set_pci_device(sh,dev) (0)
-   #endif
-
-   #ifndef IRQ_NONE
-      typedef void irqreturn_t;
-      #define IRQ_NONE
-      #define IRQ_HANDLED
-      #define IRQ_RETVAL(x)
-   #endif
-   
-   #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-      #define IPS_REGISTER_HOSTS(SHT)      scsi_register_module(MODULE_SCSI_HA,SHT)
-      #define IPS_UNREGISTER_HOSTS(SHT)    scsi_unregister_module(MODULE_SCSI_HA,SHT)
-      #define IPS_ADD_HOST(shost,device)
-      #define IPS_REMOVE_HOST(shost)
-      #define IPS_SCSI_SET_DEVICE(sh,ha)   scsi_set_pci_device(sh, (ha)->pcidev)
-      #define IPS_PRINTK(level, pcidev, format, arg...)                 \
-            printk(level "%s %s:" format , "ips" ,     \
-            (pcidev)->slot_name , ## arg)
-      #define scsi_host_alloc(sh,size)         scsi_register(sh,size)
-      #define scsi_host_put(sh)             scsi_unregister(sh)
-   #else
-      #define IPS_REGISTER_HOSTS(SHT)      (!ips_detect(SHT))
-      #define IPS_UNREGISTER_HOSTS(SHT)
-      #define IPS_ADD_HOST(shost,device)   do { scsi_add_host(shost,device); scsi_scan_host(shost); } while (0)
-      #define IPS_REMOVE_HOST(shost)       scsi_remove_host(shost)
-      #define IPS_SCSI_SET_DEVICE(sh,ha)   do { } while (0)
-      #define IPS_PRINTK(level, pcidev, format, arg...)                 \
+  #define IPS_PRINTK(level, pcidev, format, arg...)                 \
             dev_printk(level , &((pcidev)->dev) , format , ## arg)
-   #endif
 
    #define MDELAY(n)			\
 	do {				\
@@ -134,7 +100,7 @@
    #define pci_dma_hi32(a)         ((a >> 16) >> 16)
    #define pci_dma_lo32(a)         (a & 0xffffffff)
 
-   #if (BITS_PER_LONG > 32) || (defined CONFIG_HIGHMEM64G && defined IPS_HIGHIO)
+   #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
       #define IPS_ENABLE_DMA64        (1)
    #else
       #define IPS_ENABLE_DMA64        (0)
@@ -451,16 +417,10 @@
    /*
     * Scsi_Host Template
     */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-   static int ips_proc24_info(char *, char **, off_t, int, int, int);
-   static void ips_select_queue_depth(struct Scsi_Host *, struct scsi_device *);
-   static int ips_biosparam(Disk *disk, kdev_t dev, int geom[]);
-#else
    static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
    static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
 		sector_t capacity, int geom[]);
    static int ips_slave_configure(struct scsi_device *SDptr);
-#endif
 
 /*
  * Raid Command Formats

drivers/scsi/iscsi_tcp.c

@@ -29,14 +29,15 @@
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/inet.h>
+#include <linux/file.h>
 #include <linux/blkdev.h>
 #include <linux/crypto.h>
 #include <linux/delay.h>
 #include <linux/kfifo.h>
 #include <linux/scatterlist.h>
-#include <linux/mutex.h>
 #include <net/tcp.h>
 #include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_transport_iscsi.h>
@@ -109,7 +110,7 @@ iscsi_hdr_digest(struct iscsi_conn *conn, struct iscsi_buf *buf,
 	struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
 
 	crypto_hash_digest(&tcp_conn->tx_hash, &buf->sg, buf->sg.length, crc);
-	buf->sg.length = tcp_conn->hdr_size;
+	buf->sg.length += sizeof(u32);
 }
 
 static inline int
@@ -211,16 +212,14 @@ iscsi_tcp_cleanup_ctask(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 static int
 iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 {
-	int rc;
 	struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
 	struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
 	struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)tcp_conn->in.hdr;
 	struct iscsi_session *session = conn->session;
+	struct scsi_cmnd *sc = ctask->sc;
 	int datasn = be32_to_cpu(rhdr->datasn);
 
-	rc = iscsi_check_assign_cmdsn(session, (struct iscsi_nopin*)rhdr);
-	if (rc)
-		return rc;
+	iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr);
 	/*
 	 * setup Data-In byte counter (gets decremented..)
 	 */
@@ -229,31 +228,36 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 	if (tcp_conn->in.datalen == 0)
 		return 0;
 
-	if (ctask->datasn != datasn)
+	if (tcp_ctask->exp_datasn != datasn) {
+		debug_tcp("%s: ctask->exp_datasn(%d) != rhdr->datasn(%d)\n",
+		          __FUNCTION__, tcp_ctask->exp_datasn, datasn);
 		return ISCSI_ERR_DATASN;
+	}
 
-	ctask->datasn++;
+	tcp_ctask->exp_datasn++;
 
 	tcp_ctask->data_offset = be32_to_cpu(rhdr->offset);
-	if (tcp_ctask->data_offset + tcp_conn->in.datalen > ctask->total_length)
+	if (tcp_ctask->data_offset + tcp_conn->in.datalen > scsi_bufflen(sc)) {
+		debug_tcp("%s: data_offset(%d) + data_len(%d) > total_length_in(%d)\n",
+		          __FUNCTION__, tcp_ctask->data_offset,
+		          tcp_conn->in.datalen, scsi_bufflen(sc));
 		return ISCSI_ERR_DATA_OFFSET;
+	}
 
 	if (rhdr->flags & ISCSI_FLAG_DATA_STATUS) {
-		struct scsi_cmnd *sc = ctask->sc;
-
 		conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1;
 		if (rhdr->flags & ISCSI_FLAG_DATA_UNDERFLOW) {
 			int res_count = be32_to_cpu(rhdr->residual_count);
 
 			if (res_count > 0 &&
-			    res_count <= sc->request_bufflen) {
-				sc->resid = res_count;
+			    res_count <= scsi_bufflen(sc)) {
+				scsi_set_resid(sc, res_count);
 				sc->result = (DID_OK << 16) | rhdr->cmd_status;
 			} else
 				sc->result = (DID_BAD_TARGET << 16) |
 					rhdr->cmd_status;
 		} else if (rhdr->flags & ISCSI_FLAG_DATA_OVERFLOW) {
-			sc->resid = be32_to_cpu(rhdr->residual_count);
+			scsi_set_resid(sc, be32_to_cpu(rhdr->residual_count));
 			sc->result = (DID_OK << 16) | rhdr->cmd_status;
 		} else
 			sc->result = (DID_OK << 16) | rhdr->cmd_status;
@@ -281,6 +285,8 @@ iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 {
 	struct iscsi_data *hdr;
 	struct scsi_cmnd *sc = ctask->sc;
+	int i, sg_count = 0;
+	struct scatterlist *sg;
 
 	hdr = &r2t->dtask.hdr;
 	memset(hdr, 0, sizeof(struct iscsi_data));
@@ -308,39 +314,30 @@ iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 	iscsi_buf_init_iov(&r2t->headbuf, (char*)hdr,
 			   sizeof(struct iscsi_hdr));
 
-	if (sc->use_sg) {
-		int i, sg_count = 0;
-		struct scatterlist *sg = sc->request_buffer;
-
-		r2t->sg = NULL;
-		for (i = 0; i < sc->use_sg; i++, sg += 1) {
-			/* FIXME: prefetch ? */
-			if (sg_count + sg->length > r2t->data_offset) {
-				int page_offset;
+	sg = scsi_sglist(sc);
+	r2t->sg = NULL;
+	for (i = 0; i < scsi_sg_count(sc); i++, sg += 1) {
+		/* FIXME: prefetch ? */
+		if (sg_count + sg->length > r2t->data_offset) {
+			int page_offset;
 
-				/* sg page found! */
+			/* sg page found! */
 
-				/* offset within this page */
-				page_offset = r2t->data_offset - sg_count;
+			/* offset within this page */
+			page_offset = r2t->data_offset - sg_count;
 
-				/* fill in this buffer */
-				iscsi_buf_init_sg(&r2t->sendbuf, sg);
-				r2t->sendbuf.sg.offset += page_offset;
-				r2t->sendbuf.sg.length -= page_offset;
+			/* fill in this buffer */
+			iscsi_buf_init_sg(&r2t->sendbuf, sg);
+			r2t->sendbuf.sg.offset += page_offset;
+			r2t->sendbuf.sg.length -= page_offset;
 
-				/* xmit logic will continue with next one */
-				r2t->sg = sg + 1;
-				break;
-			}
-			sg_count += sg->length;
+			/* xmit logic will continue with next one */
+			r2t->sg = sg + 1;
+			break;
 		}
-		BUG_ON(r2t->sg == NULL);
-	} else {
-		iscsi_buf_init_iov(&r2t->sendbuf,
-			    (char*)sc->request_buffer + r2t->data_offset,
-			    r2t->data_count);
-		r2t->sg = NULL;
+		sg_count += sg->length;
 	}
+	BUG_ON(r2t->sg == NULL);
 }
 
 /**
@@ -365,17 +362,16 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 		return ISCSI_ERR_DATALEN;
 	}
 
-	if (tcp_ctask->exp_r2tsn && tcp_ctask->exp_r2tsn != r2tsn)
+	if (tcp_ctask->exp_datasn != r2tsn){
+		debug_tcp("%s: ctask->exp_datasn(%d) != rhdr->r2tsn(%d)\n",
+		          __FUNCTION__, tcp_ctask->exp_datasn, r2tsn);
 		return ISCSI_ERR_R2TSN;
-
-	rc = iscsi_check_assign_cmdsn(session, (struct iscsi_nopin*)rhdr);
-	if (rc)
-		return rc;
-
-	/* FIXME: use R2TSN to detect missing R2T */
+	}
 
 	/* fill-in new R2T associated with the task */
 	spin_lock(&session->lock);
+	iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr);
+
 	if (!ctask->sc || ctask->mtask ||
 	     session->state != ISCSI_STATE_LOGGED_IN) {
 		printk(KERN_INFO "iscsi_tcp: dropping R2T itt %d in "
@@ -401,11 +397,11 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 			    r2t->data_length, session->max_burst);
 
 	r2t->data_offset = be32_to_cpu(rhdr->data_offset);
-	if (r2t->data_offset + r2t->data_length > ctask->total_length) {
+	if (r2t->data_offset + r2t->data_length > scsi_bufflen(ctask->sc)) {
 		spin_unlock(&session->lock);
 		printk(KERN_ERR "iscsi_tcp: invalid R2T with data len %u at "
 		       "offset %u and total length %d\n", r2t->data_length,
-		       r2t->data_offset, ctask->total_length);
+		       r2t->data_offset, scsi_bufflen(ctask->sc));
 		return ISCSI_ERR_DATALEN;
 	}
 
@@ -414,9 +410,9 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 
 	iscsi_solicit_data_init(conn, ctask, r2t);
 
-	tcp_ctask->exp_r2tsn = r2tsn + 1;
+	tcp_ctask->exp_datasn = r2tsn + 1;
 	__kfifo_put(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*));
-	tcp_ctask->xmstate |= XMSTATE_SOL_HDR;
+	tcp_ctask->xmstate |= XMSTATE_SOL_HDR_INIT;
 	list_move_tail(&ctask->running, &conn->xmitqueue);
 
 	scsi_queue_work(session->host, &conn->xmitwork);
@@ -600,7 +596,7 @@ iscsi_ctask_copy(struct iscsi_tcp_conn *tcp_conn, struct iscsi_cmd_task *ctask,
 {
 	struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
 	int buf_left = buf_size - (tcp_conn->data_copied + offset);
-	int size = min(tcp_conn->in.copy, buf_left);
+	unsigned size = min(tcp_conn->in.copy, buf_left);
 	int rc;
 
 	size = min(size, ctask->data_count);
@@ -609,7 +605,7 @@ iscsi_ctask_copy(struct iscsi_tcp_conn *tcp_conn, struct iscsi_cmd_task *ctask,
 	       size, tcp_conn->in.offset, tcp_conn->in.copied);
 
 	BUG_ON(size <= 0);
-	BUG_ON(tcp_ctask->sent + size > ctask->total_length);
+	BUG_ON(tcp_ctask->sent + size > scsi_bufflen(ctask->sc));
 
 	rc = skb_copy_bits(tcp_conn->in.skb, tcp_conn->in.offset,
 			   (char*)buf + (offset + tcp_conn->data_copied), size);
@@ -707,25 +703,8 @@ static int iscsi_scsi_data_in(struct iscsi_conn *conn)
 
 	BUG_ON((void*)ctask != sc->SCp.ptr);
 
-	/*
-	 * copying Data-In into the Scsi_Cmnd
-	 */
-	if (!sc->use_sg) {
-		i = ctask->data_count;
-		rc = iscsi_ctask_copy(tcp_conn, ctask, sc->request_buffer,
-				      sc->request_bufflen,
-				      tcp_ctask->data_offset);
-		if (rc == -EAGAIN)
-			return rc;
-		if (conn->datadgst_en)
-			iscsi_recv_digest_update(tcp_conn, sc->request_buffer,
-						 i);
-		rc = 0;
-		goto done;
-	}
-
 	offset = tcp_ctask->data_offset;
-	sg = sc->request_buffer;
+	sg = scsi_sglist(sc);
 
 	if (tcp_ctask->data_offset)
 		for (i = 0; i < tcp_ctask->sg_count; i++)
@@ -734,7 +713,7 @@ static int iscsi_scsi_data_in(struct iscsi_conn *conn)
 	if (offset < 0)
 		offset = 0;
 
-	for (i = tcp_ctask->sg_count; i < sc->use_sg; i++) {
+	for (i = tcp_ctask->sg_count; i < scsi_sg_count(sc); i++) {
 		char *dest;
 
 		dest = kmap_atomic(sg[i].page, KM_SOFTIRQ0);
@@ -779,7 +758,6 @@ static int iscsi_scsi_data_in(struct iscsi_conn *conn)
 	}
 	BUG_ON(ctask->data_count);
 
-done:
 	/* check for non-exceptional status */
 	if (tcp_conn->in.hdr->flags & ISCSI_FLAG_DATA_STATUS) {
 		debug_scsi("done [sc %lx res %d itt 0x%x flags 0x%x]\n",
@@ -895,11 +873,27 @@ more:
 		}
 	}
 
-	if (tcp_conn->in_progress == IN_PROGRESS_DDIGEST_RECV) {
+	if (tcp_conn->in_progress == IN_PROGRESS_DDIGEST_RECV &&
+	    tcp_conn->in.copy) {
 		uint32_t recv_digest;
 
 		debug_tcp("extra data_recv offset %d copy %d\n",
 			  tcp_conn->in.offset, tcp_conn->in.copy);
+
+		if (!tcp_conn->data_copied) {
+			if (tcp_conn->in.padding) {
+				debug_tcp("padding -> %d\n",
+					  tcp_conn->in.padding);
+				memset(pad, 0, tcp_conn->in.padding);
+				sg_init_one(&sg, pad, tcp_conn->in.padding);
+				crypto_hash_update(&tcp_conn->rx_hash,
+						   &sg, sg.length);
+			}
+			crypto_hash_final(&tcp_conn->rx_hash,
+					  (u8 *) &tcp_conn->in.datadgst);
+			debug_tcp("rx digest 0x%x\n", tcp_conn->in.datadgst);
+		}
+
 		rc = iscsi_tcp_copy(conn, sizeof(uint32_t));
 		if (rc) {
 			if (rc == -EAGAIN)
@@ -924,8 +918,7 @@ more:
 	}
 
 	if (tcp_conn->in_progress == IN_PROGRESS_DATA_RECV &&
-	   tcp_conn->in.copy) {
-
+	    tcp_conn->in.copy) {
 		debug_tcp("data_recv offset %d copy %d\n",
 		       tcp_conn->in.offset, tcp_conn->in.copy);
 
@@ -936,24 +929,32 @@ more:
 			iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
 			return 0;
 		}
-		tcp_conn->in.copy -= tcp_conn->in.padding;
-		tcp_conn->in.offset += tcp_conn->in.padding;
-		if (conn->datadgst_en) {
-			if (tcp_conn->in.padding) {
-				debug_tcp("padding -> %d\n",
-					  tcp_conn->in.padding);
-				memset(pad, 0, tcp_conn->in.padding);
-				sg_init_one(&sg, pad, tcp_conn->in.padding);
-				crypto_hash_update(&tcp_conn->rx_hash,
-						   &sg, sg.length);
-			}
-			crypto_hash_final(&tcp_conn->rx_hash,
-					  (u8 *) &tcp_conn->in.datadgst);
-			debug_tcp("rx digest 0x%x\n", tcp_conn->in.datadgst);
+
+		if (tcp_conn->in.padding)
+			tcp_conn->in_progress = IN_PROGRESS_PAD_RECV;
+		else if (conn->datadgst_en)
 			tcp_conn->in_progress = IN_PROGRESS_DDIGEST_RECV;
-			tcp_conn->data_copied = 0;
-		} else
+		else
+			tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER;
+		tcp_conn->data_copied = 0;
+	}
+
+	if (tcp_conn->in_progress == IN_PROGRESS_PAD_RECV &&
+	    tcp_conn->in.copy) {
+		int copylen = min(tcp_conn->in.padding - tcp_conn->data_copied,
+				  tcp_conn->in.copy);
+
+		tcp_conn->in.copy -= copylen;
+		tcp_conn->in.offset += copylen;
+		tcp_conn->data_copied += copylen;
+
+		if (tcp_conn->data_copied != tcp_conn->in.padding)
+			tcp_conn->in_progress = IN_PROGRESS_PAD_RECV;
+		else if (conn->datadgst_en)
+			tcp_conn->in_progress = IN_PROGRESS_DDIGEST_RECV;
+		else
 			tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER;
+		tcp_conn->data_copied = 0;
 	}
 
 	debug_tcp("f, processed %d from out of %d padding %d\n",
@@ -1215,7 +1216,6 @@ iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 			struct iscsi_r2t_info *r2t, int left)
 {
 	struct iscsi_data *hdr;
-	struct scsi_cmnd *sc = ctask->sc;
 	int new_offset;
 
 	hdr = &r2t->dtask.hdr;
@@ -1245,15 +1245,8 @@ iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask,
 	if (iscsi_buf_left(&r2t->sendbuf))
 		return;
 
-	if (sc->use_sg) {
-		iscsi_buf_init_sg(&r2t->sendbuf, r2t->sg);
-		r2t->sg += 1;
-	} else {
-		iscsi_buf_init_iov(&r2t->sendbuf,
-			    (char*)sc->request_buffer + new_offset,
-			    r2t->data_count);
-		r2t->sg = NULL;
-	}
+	iscsi_buf_init_sg(&r2t->sendbuf, r2t->sg);
+	r2t->sg += 1;
 }
 
 static void iscsi_set_padding(struct iscsi_tcp_cmd_task *tcp_ctask,
@@ -1277,41 +1270,10 @@ static void iscsi_set_padding(struct iscsi_tcp_cmd_task *tcp_ctask,
 static void
 iscsi_tcp_cmd_init(struct iscsi_cmd_task *ctask)
 {
-	struct scsi_cmnd *sc = ctask->sc;
 	struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
 
 	BUG_ON(__kfifo_len(tcp_ctask->r2tqueue));
-
-	tcp_ctask->sent = 0;
-	tcp_ctask->sg_count = 0;
-
-	if (sc->sc_data_direction == DMA_TO_DEVICE) {
-		tcp_ctask->xmstate = XMSTATE_W_HDR;
-		tcp_ctask->exp_r2tsn = 0;
-		BUG_ON(ctask->total_length == 0);
-
-		if (sc->use_sg) {
-			struct scatterlist *sg = sc->request_buffer;
-
-			iscsi_buf_init_sg(&tcp_ctask->sendbuf, sg);
-			tcp_ctask->sg = sg + 1;
-			tcp_ctask->bad_sg = sg + sc->use_sg;
-		} else {
-			iscsi_buf_init_iov(&tcp_ctask->sendbuf,
-					   sc->request_buffer,
-					   sc->request_bufflen);
-			tcp_ctask->sg = NULL;
-			tcp_ctask->bad_sg = NULL;
-		}
-		debug_scsi("cmd [itt 0x%x total %d imm_data %d "
-			   "unsol count %d, unsol offset %d]\n",
-			   ctask->itt, ctask->total_length, ctask->imm_count,
-			   ctask->unsol_count, ctask->unsol_offset);
-	} else
-		tcp_ctask->xmstate = XMSTATE_R_HDR;
-
-	iscsi_buf_init_iov(&tcp_ctask->headbuf, (char*)ctask->hdr,
-			    sizeof(struct iscsi_hdr));
+	tcp_ctask->xmstate = XMSTATE_CMD_HDR_INIT;
 }
 
 /**
@@ -1324,9 +1286,11 @@ iscsi_tcp_cmd_init(struct iscsi_cmd_task *ctask)
  *	call it again later, or recover. '0' return code means successful
  *	xmit.
  *
- *	Management xmit state machine consists of two states:
- *		IN_PROGRESS_IMM_HEAD - PDU Header xmit in progress
- *		IN_PROGRESS_IMM_DATA - PDU Data xmit in progress
+ *	Management xmit state machine consists of these states:
+ *		XMSTATE_IMM_HDR_INIT	- calculate digest of PDU Header
+ *		XMSTATE_IMM_HDR 	- PDU Header xmit in progress
+ *		XMSTATE_IMM_DATA 	- PDU Data xmit in progress
+ *		XMSTATE_IDLE		- management PDU is done
  **/
 static int
 iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
@@ -1337,23 +1301,34 @@ iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
 	debug_scsi("mtask deq [cid %d state %x itt 0x%x]\n",
 		conn->id, tcp_mtask->xmstate, mtask->itt);
 
-	if (tcp_mtask->xmstate & XMSTATE_IMM_HDR) {
-		tcp_mtask->xmstate &= ~XMSTATE_IMM_HDR;
-		if (mtask->data_count)
+	if (tcp_mtask->xmstate & XMSTATE_IMM_HDR_INIT) {
+		iscsi_buf_init_iov(&tcp_mtask->headbuf, (char*)mtask->hdr,
+				   sizeof(struct iscsi_hdr));
+
+		if (mtask->data_count) {
 			tcp_mtask->xmstate |= XMSTATE_IMM_DATA;
+			iscsi_buf_init_iov(&tcp_mtask->sendbuf,
+					   (char*)mtask->data,
+					   mtask->data_count);
+		}
+
 		if (conn->c_stage != ISCSI_CONN_INITIAL_STAGE &&
 		    conn->stop_stage != STOP_CONN_RECOVER &&
 		    conn->hdrdgst_en)
 			iscsi_hdr_digest(conn, &tcp_mtask->headbuf,
 					(u8*)tcp_mtask->hdrext);
+
+		tcp_mtask->sent = 0;
+		tcp_mtask->xmstate &= ~XMSTATE_IMM_HDR_INIT;
+		tcp_mtask->xmstate |= XMSTATE_IMM_HDR;
+	}
+
+	if (tcp_mtask->xmstate & XMSTATE_IMM_HDR) {
 		rc = iscsi_sendhdr(conn, &tcp_mtask->headbuf,
 				   mtask->data_count);
-		if (rc) {
-			tcp_mtask->xmstate |= XMSTATE_IMM_HDR;
-			if (mtask->data_count)
-				tcp_mtask->xmstate &= ~XMSTATE_IMM_DATA;
+		if (rc)
 			return rc;
-		}
+		tcp_mtask->xmstate &= ~XMSTATE_IMM_HDR;
 	}
 
 	if (tcp_mtask->xmstate & XMSTATE_IMM_DATA) {
@@ -1387,55 +1362,67 @@ iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
 	return 0;
 }
 
-static inline int
-iscsi_send_read_hdr(struct iscsi_conn *conn,
-		    struct iscsi_tcp_cmd_task *tcp_ctask)
+static int
+iscsi_send_cmd_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 {
-	int rc;
+	struct scsi_cmnd *sc = ctask->sc;
+	struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
+	int rc = 0;
 
-	tcp_ctask->xmstate &= ~XMSTATE_R_HDR;
-	if (conn->hdrdgst_en)
-		iscsi_hdr_digest(conn, &tcp_ctask->headbuf,
-				 (u8*)tcp_ctask->hdrext);
-	rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, 0);
-	if (!rc) {
-		BUG_ON(tcp_ctask->xmstate != XMSTATE_IDLE);
-		return 0; /* wait for Data-In */
-	}
-	tcp_ctask->xmstate |= XMSTATE_R_HDR;
-	return rc;
-}
+	if (tcp_ctask->xmstate & XMSTATE_CMD_HDR_INIT) {
+		tcp_ctask->sent = 0;
+		tcp_ctask->sg_count = 0;
+		tcp_ctask->exp_datasn = 0;
 
-static inline int
-iscsi_send_write_hdr(struct iscsi_conn *conn,
-		     struct iscsi_cmd_task *ctask)
-{
-	struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data;
-	int rc;
+		if (sc->sc_data_direction == DMA_TO_DEVICE) {
+			struct scatterlist *sg = scsi_sglist(sc);
 
-	tcp_ctask->xmstate &= ~XMSTATE_W_HDR;
-	if (conn->hdrdgst_en)
-		iscsi_hdr_digest(conn, &tcp_ctask->headbuf,
-				 (u8*)tcp_ctask->hdrext);
-	rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->imm_count);
-	if (rc) {
-		tcp_ctask->xmstate |= XMSTATE_W_HDR;
-		return rc;
+			iscsi_buf_init_sg(&tcp_ctask->sendbuf, sg);
+			tcp_ctask->sg = sg + 1;
+			tcp_ctask->bad_sg = sg + scsi_sg_count(sc);
+
+			debug_scsi("cmd [itt 0x%x total %d imm_data %d "
+				   "unsol count %d, unsol offset %d]\n",
+				   ctask->itt, scsi_bufflen(sc),
+				   ctask->imm_count, ctask->unsol_count,
+				   ctask->unsol_offset);
+		}
+
+		iscsi_buf_init_iov(&tcp_ctask->headbuf, (char*)ctask->hdr,
+				  sizeof(struct iscsi_hdr));
+
+		if (conn->hdrdgst_en)
+			iscsi_hdr_digest(conn, &tcp_ctask->headbuf,
+					 (u8*)tcp_ctask->hdrext);
+		tcp_ctask->xmstate &= ~XMSTATE_CMD_HDR_INIT;
+		tcp_ctask->xmstate |= XMSTATE_CMD_HDR_XMIT;
 	}
 
-	if (ctask->imm_count) {
-		tcp_ctask->xmstate |= XMSTATE_IMM_DATA;
-		iscsi_set_padding(tcp_ctask, ctask->imm_count);
+	if (tcp_ctask->xmstate & XMSTATE_CMD_HDR_XMIT) {
+		rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->imm_count);
+		if (rc)
+			return rc;
+		tcp_ctask->xmstate &= ~XMSTATE_CMD_HDR_XMIT;
+
+		if (sc->sc_data_direction != DMA_TO_DEVICE)
+			return 0;
+
+		if (ctask->imm_count) {
+			tcp_ctask->xmstate |= XMSTATE_IMM_DATA;
+			iscsi_set_padding(tcp_ctask, ctask->imm_count);
 
-		if (ctask->conn->datadgst_en) {
-			iscsi_data_digest_init(ctask->conn->dd_data, tcp_ctask);
-			tcp_ctask->immdigest = 0;
+			if (ctask->conn->datadgst_en) {
+				iscsi_data_digest_init(ctask->conn->dd_data,
+						       tcp_ctask);
+				tcp_ctask->immdigest = 0;
+			}
 		}
-	}
 
-	if (ctask->unsol_count)
-		tcp_ctask->xmstate |= XMSTATE_UNS_HDR | XMSTATE_UNS_INIT;
-	return 0;
+		if (ctask->unsol_count)
+			tcp_ctask->xmstate |=
+					XMSTATE_UNS_HDR | XMSTATE_UNS_INIT;
+	}
+	return rc;
 }
 
 static int
@@ -1624,9 +1611,7 @@ static int iscsi_send_sol_pdu(struct iscsi_conn *conn,
 	struct iscsi_data_task *dtask;
 	int left, rc;
 
-	if (tcp_ctask->xmstate & XMSTATE_SOL_HDR) {
-		tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR;
-		tcp_ctask->xmstate |= XMSTATE_SOL_DATA;
+	if (tcp_ctask->xmstate & XMSTATE_SOL_HDR_INIT) {
 		if (!tcp_ctask->r2t) {
 			spin_lock_bh(&session->lock);
 			__kfifo_get(tcp_ctask->r2tqueue, (void*)&tcp_ctask->r2t,
@@ -1640,12 +1625,19 @@ send_hdr:
 		if (conn->hdrdgst_en)
 			iscsi_hdr_digest(conn, &r2t->headbuf,
 					(u8*)dtask->hdrext);
+		tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR_INIT;
+		tcp_ctask->xmstate |= XMSTATE_SOL_HDR;
+	}
+
+	if (tcp_ctask->xmstate & XMSTATE_SOL_HDR) {
+		r2t = tcp_ctask->r2t;
+		dtask = &r2t->dtask;
+
 		rc = iscsi_sendhdr(conn, &r2t->headbuf, r2t->data_count);
-		if (rc) {
-			tcp_ctask->xmstate &= ~XMSTATE_SOL_DATA;
-			tcp_ctask->xmstate |= XMSTATE_SOL_HDR;
+		if (rc)
 			return rc;
-		}
+		tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR;
+		tcp_ctask->xmstate |= XMSTATE_SOL_DATA;
 
 		if (conn->datadgst_en) {
 			iscsi_data_digest_init(conn->dd_data, tcp_ctask);
@@ -1677,8 +1669,6 @@ send_hdr:
 		left = r2t->data_length - r2t->sent;
 		if (left) {
 			iscsi_solicit_data_cont(conn, ctask, r2t, left);
-			tcp_ctask->xmstate |= XMSTATE_SOL_DATA;
-			tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR;
 			goto send_hdr;
 		}
 
@@ -1693,8 +1683,6 @@ send_hdr:
 		if (__kfifo_get(tcp_ctask->r2tqueue, (void*)&r2t,
 				sizeof(void*))) {
 			tcp_ctask->r2t = r2t;
-			tcp_ctask->xmstate |= XMSTATE_SOL_DATA;
-			tcp_ctask->xmstate &= ~XMSTATE_SOL_HDR;
 			spin_unlock_bh(&session->lock);
 			goto send_hdr;
 		}
@@ -1703,6 +1691,46 @@ send_hdr:
 	return 0;
 }
 
+/**
+ * iscsi_tcp_ctask_xmit - xmit normal PDU task
+ * @conn: iscsi connection
+ * @ctask: iscsi command task
+ *
+ * Notes:
+ *	The function can return -EAGAIN in which case caller must
+ *	call it again later, or recover. '0' return code means successful
+ *	xmit.
+ *	The function is devided to logical helpers (above) for the different
+ *	xmit stages.
+ *
+ *iscsi_send_cmd_hdr()
+ *	XMSTATE_CMD_HDR_INIT - prepare Header and Data buffers Calculate
+ *	                       Header Digest
+ *	XMSTATE_CMD_HDR_XMIT - Transmit header in progress
+ *
+ *iscsi_send_padding
+ *	XMSTATE_W_PAD        - Prepare and send pading
+ *	XMSTATE_W_RESEND_PAD - retry send pading
+ *
+ *iscsi_send_digest
+ *	XMSTATE_W_RESEND_DATA_DIGEST - Finalize and send Data Digest
+ *	XMSTATE_W_RESEND_DATA_DIGEST - retry sending digest
+ *
+ *iscsi_send_unsol_hdr
+ *	XMSTATE_UNS_INIT     - prepare un-solicit data header and digest
+ *	XMSTATE_UNS_HDR      - send un-solicit header
+ *
+ *iscsi_send_unsol_pdu
+ *	XMSTATE_UNS_DATA     - send un-solicit data in progress
+ *
+ *iscsi_send_sol_pdu
+ *	XMSTATE_SOL_HDR_INIT - solicit data header and digest initialize
+ *	XMSTATE_SOL_HDR      - send solicit header
+ *	XMSTATE_SOL_DATA     - send solicit data
+ *
+ *iscsi_tcp_ctask_xmit
+ *	XMSTATE_IMM_DATA     - xmit managment data (??)
+ **/
 static int
 iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 {
@@ -1712,20 +1740,11 @@ iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask)
 	debug_scsi("ctask deq [cid %d xmstate %x itt 0x%x]\n",
 		conn->id, tcp_ctask->xmstate, ctask->itt);
 
-	/*
-	 * serialize with TMF AbortTask
-	 */
-	if (ctask->mtask)
+	rc = iscsi_send_cmd_hdr(conn, ctask);
+	if (rc)
 		return rc;
-
-	if (tcp_ctask->xmstate & XMSTATE_R_HDR)
-		return iscsi_send_read_hdr(conn, tcp_ctask);
-
-	if (tcp_ctask->xmstate & XMSTATE_W_HDR) {
-		rc = iscsi_send_write_hdr(conn, ctask);
-		if (rc)
-			return rc;
-	}
+	if (ctask->sc->sc_data_direction != DMA_TO_DEVICE)
+		return 0;
 
 	if (tcp_ctask->xmstate & XMSTATE_IMM_DATA) {
 		rc = iscsi_send_data(ctask, &tcp_ctask->sendbuf, &tcp_ctask->sg,
@@ -1810,18 +1829,22 @@ tcp_conn_alloc_fail:
 static void
 iscsi_tcp_release_conn(struct iscsi_conn *conn)
 {
+	struct iscsi_session *session = conn->session;
 	struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
+	struct socket *sock = tcp_conn->sock;
 
-	if (!tcp_conn->sock)
+	if (!sock)
 		return;
 
-	sock_hold(tcp_conn->sock->sk);
+	sock_hold(sock->sk);
 	iscsi_conn_restore_callbacks(tcp_conn);
-	sock_put(tcp_conn->sock->sk);
+	sock_put(sock->sk);
 
-	sock_release(tcp_conn->sock);
+	spin_lock_bh(&session->lock);
 	tcp_conn->sock = NULL;
 	conn->recv_lock = NULL;
+	spin_unlock_bh(&session->lock);
+	sockfd_put(sock);
 }
 
 static void
@@ -1852,6 +1875,46 @@ iscsi_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	tcp_conn->hdr_size = sizeof(struct iscsi_hdr);
 }
 
+static int iscsi_tcp_get_addr(struct iscsi_conn *conn, struct socket *sock,
+			      char *buf, int *port,
+			      int (*getname)(struct socket *, struct sockaddr *,
+					int *addrlen))
+{
+	struct sockaddr_storage *addr;
+	struct sockaddr_in6 *sin6;
+	struct sockaddr_in *sin;
+	int rc = 0, len;
+
+	addr = kmalloc(GFP_KERNEL, sizeof(*addr));
+	if (!addr)
+		return -ENOMEM;
+
+	if (getname(sock, (struct sockaddr *) addr, &len)) {
+		rc = -ENODEV;
+		goto free_addr;
+	}
+
+	switch (addr->ss_family) {
+	case AF_INET:
+		sin = (struct sockaddr_in *)addr;
+		spin_lock_bh(&conn->session->lock);
+		sprintf(buf, NIPQUAD_FMT, NIPQUAD(sin->sin_addr.s_addr));
+		*port = be16_to_cpu(sin->sin_port);
+		spin_unlock_bh(&conn->session->lock);
+		break;
+	case AF_INET6:
+		sin6 = (struct sockaddr_in6 *)addr;
+		spin_lock_bh(&conn->session->lock);
+		sprintf(buf, NIP6_FMT, NIP6(sin6->sin6_addr));
+		*port = be16_to_cpu(sin6->sin6_port);
+		spin_unlock_bh(&conn->session->lock);
+		break;
+	}
+free_addr:
+	kfree(addr);
+	return rc;
+}
+
 static int
 iscsi_tcp_conn_bind(struct iscsi_cls_session *cls_session,
 		    struct iscsi_cls_conn *cls_conn, uint64_t transport_eph,
@@ -1869,10 +1932,24 @@ iscsi_tcp_conn_bind(struct iscsi_cls_session *cls_session,
 		printk(KERN_ERR "iscsi_tcp: sockfd_lookup failed %d\n", err);
 		return -EEXIST;
 	}
+	/*
+	 * copy these values now because if we drop the session
+	 * userspace may still want to query the values since we will
+	 * be using them for the reconnect
+	 */
+	err = iscsi_tcp_get_addr(conn, sock, conn->portal_address,
+				 &conn->portal_port, kernel_getpeername);
+	if (err)
+		goto free_socket;
+
+	err = iscsi_tcp_get_addr(conn, sock, conn->local_address,
+				&conn->local_port, kernel_getsockname);
+	if (err)
+		goto free_socket;
 
 	err = iscsi_conn_bind(cls_session, cls_conn, is_leading);
 	if (err)
-		return err;
+		goto free_socket;
 
 	/* bind iSCSI connection and socket */
 	tcp_conn->sock = sock;
@@ -1896,25 +1973,19 @@ iscsi_tcp_conn_bind(struct iscsi_cls_session *cls_session,
 	 * set receive state machine into initial state
 	 */
 	tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER;
-
 	return 0;
+
+free_socket:
+	sockfd_put(sock);
+	return err;
 }
 
 /* called with host lock */
 static void
-iscsi_tcp_mgmt_init(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask,
-		    char *data, uint32_t data_size)
+iscsi_tcp_mgmt_init(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask)
 {
 	struct iscsi_tcp_mgmt_task *tcp_mtask = mtask->dd_data;
-
-	iscsi_buf_init_iov(&tcp_mtask->headbuf, (char*)mtask->hdr,
-			   sizeof(struct iscsi_hdr));
-	tcp_mtask->xmstate = XMSTATE_IMM_HDR;
-	tcp_mtask->sent = 0;
-
-	if (mtask->data_count)
-		iscsi_buf_init_iov(&tcp_mtask->sendbuf, (char*)mtask->data,
-				    mtask->data_count);
+	tcp_mtask->xmstate = XMSTATE_IMM_HDR_INIT;
 }
 
 static int
@@ -2026,41 +2097,18 @@ iscsi_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
 			 enum iscsi_param param, char *buf)
 {
 	struct iscsi_conn *conn = cls_conn->dd_data;
-	struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
-	struct inet_sock *inet;
-	struct ipv6_pinfo *np;
-	struct sock *sk;
 	int len;
 
 	switch(param) {
 	case ISCSI_PARAM_CONN_PORT:
-		mutex_lock(&conn->xmitmutex);
-		if (!tcp_conn->sock) {
-			mutex_unlock(&conn->xmitmutex);
-			return -EINVAL;
-		}
-
-		inet = inet_sk(tcp_conn->sock->sk);
-		len = sprintf(buf, "%hu\n", be16_to_cpu(inet->dport));
-		mutex_unlock(&conn->xmitmutex);
+		spin_lock_bh(&conn->session->lock);
+		len = sprintf(buf, "%hu\n", conn->portal_port);
+		spin_unlock_bh(&conn->session->lock);
 		break;
 	case ISCSI_PARAM_CONN_ADDRESS:
-		mutex_lock(&conn->xmitmutex);
-		if (!tcp_conn->sock) {
-			mutex_unlock(&conn->xmitmutex);
-			return -EINVAL;
-		}
-
-		sk = tcp_conn->sock->sk;
-		if (sk->sk_family == PF_INET) {
-			inet = inet_sk(sk);
-			len = sprintf(buf, NIPQUAD_FMT "\n",
-				      NIPQUAD(inet->daddr));
-		} else {
-			np = inet6_sk(sk);
-			len = sprintf(buf, NIP6_FMT "\n", NIP6(np->daddr));
-		}
-		mutex_unlock(&conn->xmitmutex);
+		spin_lock_bh(&conn->session->lock);
+		len = sprintf(buf, "%s\n", conn->portal_address);
+		spin_unlock_bh(&conn->session->lock);
 		break;
 	default:
 		return iscsi_conn_get_param(cls_conn, param, buf);
@@ -2069,6 +2117,29 @@ iscsi_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
 	return len;
 }
 
+static int
+iscsi_tcp_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param,
+			 char *buf)
+{
+        struct iscsi_session *session = iscsi_hostdata(shost->hostdata);
+	int len;
+
+	switch (param) {
+	case ISCSI_HOST_PARAM_IPADDRESS:
+		spin_lock_bh(&session->lock);
+		if (!session->leadconn)
+			len = -ENODEV;
+		else
+			len = sprintf(buf, "%s\n",
+				     session->leadconn->local_address);
+		spin_unlock_bh(&session->lock);
+		break;
+	default:
+		return iscsi_host_get_param(shost, param, buf);
+	}
+	return len;
+}
+
 static void
 iscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats)
 {
@@ -2096,6 +2167,7 @@ iscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats)
 static struct iscsi_cls_session *
 iscsi_tcp_session_create(struct iscsi_transport *iscsit,
 			 struct scsi_transport_template *scsit,
+			 uint16_t cmds_max, uint16_t qdepth,
 			 uint32_t initial_cmdsn, uint32_t *hostno)
 {
 	struct iscsi_cls_session *cls_session;
@@ -2103,7 +2175,7 @@ iscsi_tcp_session_create(struct iscsi_transport *iscsit,
 	uint32_t hn;
 	int cmd_i;
 
-	cls_session = iscsi_session_setup(iscsit, scsit,
+	cls_session = iscsi_session_setup(iscsit, scsit, cmds_max, qdepth,
 					 sizeof(struct iscsi_tcp_cmd_task),
 					 sizeof(struct iscsi_tcp_mgmt_task),
 					 initial_cmdsn, &hn);
@@ -2142,17 +2214,24 @@ static void iscsi_tcp_session_destroy(struct iscsi_cls_session *cls_session)
 	iscsi_session_teardown(cls_session);
 }
 
+static int iscsi_tcp_slave_configure(struct scsi_device *sdev)
+{
+	blk_queue_dma_alignment(sdev->request_queue, 0);
+	return 0;
+}
+
 static struct scsi_host_template iscsi_sht = {
 	.name			= "iSCSI Initiator over TCP/IP",
 	.queuecommand           = iscsi_queuecommand,
 	.change_queue_depth	= iscsi_change_queue_depth,
-	.can_queue		= ISCSI_XMIT_CMDS_MAX - 1,
+	.can_queue		= ISCSI_DEF_XMIT_CMDS_MAX - 1,
 	.sg_tablesize		= ISCSI_SG_TABLESIZE,
 	.max_sectors		= 0xFFFF,
 	.cmd_per_lun		= ISCSI_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_host_reset_handler	= iscsi_eh_host_reset,
 	.use_clustering         = DISABLE_CLUSTERING,
+	.slave_configure        = iscsi_tcp_slave_configure,
 	.proc_name		= "iscsi_tcp",
 	.this_id		= -1,
 };
@@ -2179,8 +2258,12 @@ static struct iscsi_transport iscsi_tcp_transport = {
 				  ISCSI_EXP_STATSN |
 				  ISCSI_PERSISTENT_PORT |
 				  ISCSI_PERSISTENT_ADDRESS |
-				  ISCSI_TARGET_NAME |
-				  ISCSI_TPGT,
+				  ISCSI_TARGET_NAME | ISCSI_TPGT |
+				  ISCSI_USERNAME | ISCSI_PASSWORD |
+				  ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN,
+	.host_param_mask	= ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
+				  ISCSI_HOST_INITIATOR_NAME |
+				  ISCSI_HOST_NETDEV_NAME,
 	.host_template		= &iscsi_sht,
 	.conndata_size		= sizeof(struct iscsi_conn),
 	.max_conn		= 1,
@@ -2197,6 +2280,9 @@ static struct iscsi_transport iscsi_tcp_transport = {
 	.get_session_param	= iscsi_session_get_param,
 	.start_conn		= iscsi_conn_start,
 	.stop_conn		= iscsi_tcp_conn_stop,
+	/* iscsi host params */
+	.get_host_param		= iscsi_tcp_host_get_param,
+	.set_host_param		= iscsi_host_set_param,
 	/* IO */
 	.send_pdu		= iscsi_conn_send_pdu,
 	.get_stats		= iscsi_conn_get_stats,

drivers/scsi/iscsi_tcp.h

@@ -29,11 +29,12 @@
 #define IN_PROGRESS_HEADER_GATHER	0x1
 #define IN_PROGRESS_DATA_RECV		0x2
 #define IN_PROGRESS_DDIGEST_RECV	0x3
+#define IN_PROGRESS_PAD_RECV		0x4
 
 /* xmit state machine */
 #define XMSTATE_IDLE			0x0
-#define XMSTATE_R_HDR			0x1
-#define XMSTATE_W_HDR			0x2
+#define XMSTATE_CMD_HDR_INIT		0x1
+#define XMSTATE_CMD_HDR_XMIT		0x2
 #define XMSTATE_IMM_HDR			0x4
 #define XMSTATE_IMM_DATA		0x8
 #define XMSTATE_UNS_INIT		0x10
@@ -44,6 +45,8 @@
 #define XMSTATE_W_PAD			0x200
 #define XMSTATE_W_RESEND_PAD		0x400
 #define XMSTATE_W_RESEND_DATA_DIGEST	0x800
+#define XMSTATE_IMM_HDR_INIT		0x1000
+#define XMSTATE_SOL_HDR_INIT		0x2000
 
 #define ISCSI_PAD_LEN			4
 #define ISCSI_SG_TABLESIZE		SG_ALL
@@ -152,7 +155,7 @@ struct iscsi_tcp_cmd_task {
 	struct scatterlist	*sg;			/* per-cmd SG list  */
 	struct scatterlist	*bad_sg;		/* assert statement */
 	int			sg_count;		/* SG's to process  */
-	uint32_t		exp_r2tsn;
+	uint32_t		exp_datasn;		/* expected target's R2TSN/DataSN */
 	int			data_offset;
 	struct iscsi_r2t_info	*r2t;			/* in progress R2T    */
 	struct iscsi_queue	r2tpool;

drivers/scsi/jazz_esp.c

@@ -1,6 +1,6 @@
 /* jazz_esp.c: ESP front-end for MIPS JAZZ systems.
  *
- * Copyright (C) 2007 Thomas Bogendörfer (tsbogend@alpha.frankende)
+ * Copyright (C) 2007 Thomas Bogendörfer (tsbogend@alpha.frankende)
  */
 
 #include <linux/kernel.h>
@@ -143,7 +143,7 @@ static int __devinit esp_jazz_probe(struct platform_device *dev)
 		goto fail;
 
 	host->max_id = 8;
-	esp = host_to_esp(host);
+	esp = shost_priv(host);
 
 	esp->host = host;
 	esp->dev = dev;

drivers/scsi/libsas/sas_scsi_host.c

@@ -76,8 +76,8 @@ static void sas_scsi_task_done(struct sas_task *task)
 			hs = DID_NO_CONNECT;
 			break;
 		case SAS_DATA_UNDERRUN:
-			sc->resid = ts->residual;
-			if (sc->request_bufflen - sc->resid < sc->underflow)
+			scsi_set_resid(sc, ts->residual);
+			if (scsi_bufflen(sc) - scsi_get_resid(sc) < sc->underflow)
 				hs = DID_ERROR;
 			break;
 		case SAS_DATA_OVERRUN:
@@ -161,9 +161,9 @@ static struct sas_task *sas_create_task(struct scsi_cmnd *cmd,
 	task->ssp_task.task_attr = sas_scsi_get_task_attr(cmd);
 	memcpy(task->ssp_task.cdb, cmd->cmnd, 16);
 
-	task->scatter = cmd->request_buffer;
-	task->num_scatter = cmd->use_sg;
-	task->total_xfer_len = cmd->request_bufflen;
+	task->scatter = scsi_sglist(cmd);
+	task->num_scatter = scsi_sg_count(cmd);
+	task->total_xfer_len = scsi_bufflen(cmd);
 	task->data_dir = cmd->sc_data_direction;
 
 	task->task_done = sas_scsi_task_done;

drivers/scsi/lpfc/Makefile

@@ -1,7 +1,7 @@
 #/*******************************************************************
 # * This file is part of the Emulex Linux Device Driver for         *
 # * Fibre Channel Host Bus Adapters.                                *
-# * Copyright (C) 2004-2005 Emulex.  All rights reserved.           *
+# * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
 # * EMULEX and SLI are trademarks of Emulex.                        *
 # * www.emulex.com                                                  *
 # *                                                                 *
@@ -27,4 +27,5 @@ endif
 obj-$(CONFIG_SCSI_LPFC) := lpfc.o
 
 lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o	\
-	lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o
+	lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o \
+	lpfc_vport.o lpfc_debugfs.o

drivers/scsi/lpfc/lpfc.h

@@ -19,8 +19,9 @@
  * included with this package.                                     *
  *******************************************************************/
 
-struct lpfc_sli2_slim;
+#include <scsi/scsi_host.h>
 
+struct lpfc_sli2_slim;
 
 #define LPFC_MAX_TARGET		256	/* max number of targets supported */
 #define LPFC_MAX_DISC_THREADS	64	/* max outstanding discovery els
@@ -32,6 +33,20 @@ struct lpfc_sli2_slim;
 #define LPFC_IOCB_LIST_CNT	2250	/* list of IOCBs for fast-path usage. */
 #define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
 
+/*
+ * Following time intervals are used of adjusting SCSI device
+ * queue depths when there are driver resource error or Firmware
+ * resource error.
+ */
+#define QUEUE_RAMP_DOWN_INTERVAL	(1 * HZ)   /* 1 Second */
+#define QUEUE_RAMP_UP_INTERVAL		(300 * HZ) /* 5 minutes */
+
+/* Number of exchanges reserved for discovery to complete */
+#define LPFC_DISC_IOCB_BUFF_COUNT 20
+
+#define LPFC_HB_MBOX_INTERVAL   5	/* Heart beat interval in seconds. */
+#define LPFC_HB_MBOX_TIMEOUT    30 	/* Heart beat timeout  in seconds. */
+
 /* Define macros for 64 bit support */
 #define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
 #define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
@@ -61,6 +76,11 @@ struct lpfc_dma_pool {
 	uint32_t    current_count;
 };
 
+struct hbq_dmabuf {
+	struct lpfc_dmabuf dbuf;
+	uint32_t tag;
+};
+
 /* Priority bit.  Set value to exceed low water mark in lpfc_mem. */
 #define MEM_PRI		0x100
 
@@ -90,6 +110,29 @@ typedef struct lpfc_vpd {
 		uint32_t sli2FwRev;
 		uint8_t sli2FwName[16];
 	} rev;
+	struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+		uint32_t rsvd2  :24;  /* Reserved                             */
+		uint32_t cmv	: 1;  /* Configure Max VPIs                   */
+		uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
+		uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
+		uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
+		uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
+		uint32_t cerbm	: 1;  /* Configure Enhanced Receive Buf Mgmt  */
+		uint32_t cmx	: 1;  /* Configure Max XRIs                   */
+		uint32_t cmr	: 1;  /* Configure Max RPIs                   */
+#else	/*  __LITTLE_ENDIAN */
+		uint32_t cmr	: 1;  /* Configure Max RPIs                   */
+		uint32_t cmx	: 1;  /* Configure Max XRIs                   */
+		uint32_t cerbm	: 1;  /* Configure Enhanced Receive Buf Mgmt  */
+		uint32_t cinb   : 1;  /* Enable Interrupt Notification Block  */
+		uint32_t chbs   : 1;  /* Cofigure Host Backing store          */
+		uint32_t csah   : 1;  /* Configure Synchronous Abort Handling */
+		uint32_t ccrp   : 1;  /* Config Command Ring Polling          */
+		uint32_t cmv	: 1;  /* Configure Max VPIs                   */
+		uint32_t rsvd2  :24;  /* Reserved                             */
+#endif
+	} sli3Feat;
 } lpfc_vpd_t;
 
 struct lpfc_scsi_buf;
@@ -122,6 +165,7 @@ struct lpfc_stats {
 	uint32_t elsRcvRPS;
 	uint32_t elsRcvRPL;
 	uint32_t elsXmitFLOGI;
+	uint32_t elsXmitFDISC;
 	uint32_t elsXmitPLOGI;
 	uint32_t elsXmitPRLI;
 	uint32_t elsXmitADISC;
@@ -165,50 +209,186 @@ struct lpfc_sysfs_mbox {
 	struct lpfcMboxq *    mbox;
 };
 
+struct lpfc_hba;
+
+
+enum discovery_state {
+	LPFC_VPORT_UNKNOWN     =  0,    /* vport state is unknown */
+	LPFC_VPORT_FAILED      =  1,    /* vport has failed */
+	LPFC_LOCAL_CFG_LINK    =  6,    /* local NPORT Id configured */
+	LPFC_FLOGI             =  7,    /* FLOGI sent to Fabric */
+	LPFC_FDISC             =  8,    /* FDISC sent for vport */
+	LPFC_FABRIC_CFG_LINK   =  9,    /* Fabric assigned NPORT Id
+				         * configured */
+	LPFC_NS_REG            =  10,   /* Register with NameServer */
+	LPFC_NS_QRY            =  11,   /* Query NameServer for NPort ID list */
+	LPFC_BUILD_DISC_LIST   =  12,   /* Build ADISC and PLOGI lists for
+				         * device authentication / discovery */
+	LPFC_DISC_AUTH         =  13,   /* Processing ADISC list */
+	LPFC_VPORT_READY       =  32,
+};
+
+enum hba_state {
+	LPFC_LINK_UNKNOWN    =   0,   /* HBA state is unknown */
+	LPFC_WARM_START      =   1,   /* HBA state after selective reset */
+	LPFC_INIT_START      =   2,   /* Initial state after board reset */
+	LPFC_INIT_MBX_CMDS   =   3,   /* Initialize HBA with mbox commands */
+	LPFC_LINK_DOWN       =   4,   /* HBA initialized, link is down */
+	LPFC_LINK_UP         =   5,   /* Link is up  - issue READ_LA */
+	LPFC_CLEAR_LA        =   6,   /* authentication cmplt - issue
+				       * CLEAR_LA */
+	LPFC_HBA_READY       =  32,
+	LPFC_HBA_ERROR       =  -1
+};
+
+struct lpfc_vport {
+	struct list_head listentry;
+	struct lpfc_hba *phba;
+	uint8_t port_type;
+#define LPFC_PHYSICAL_PORT 1
+#define LPFC_NPIV_PORT  2
+#define LPFC_FABRIC_PORT 3
+	enum discovery_state port_state;
+
+	uint16_t vpi;
+
+	uint32_t fc_flag;	/* FC flags */
+/* Several of these flags are HBA centric and should be moved to
+ * phba->link_flag (e.g. FC_PTP, FC_PUBLIC_LOOP)
+ */
+#define FC_PT2PT                0x1	 /* pt2pt with no fabric */
+#define FC_PT2PT_PLOGI          0x2	 /* pt2pt initiate PLOGI */
+#define FC_DISC_TMO             0x4	 /* Discovery timer running */
+#define FC_PUBLIC_LOOP          0x8	 /* Public loop */
+#define FC_LBIT                 0x10	 /* LOGIN bit in loopinit set */
+#define FC_RSCN_MODE            0x20	 /* RSCN cmd rcv'ed */
+#define FC_NLP_MORE             0x40	 /* More node to process in node tbl */
+#define FC_OFFLINE_MODE         0x80	 /* Interface is offline for diag */
+#define FC_FABRIC               0x100	 /* We are fabric attached */
+#define FC_ESTABLISH_LINK       0x200	 /* Reestablish Link */
+#define FC_RSCN_DISCOVERY       0x400	 /* Auth all devices after RSCN */
+#define FC_SCSI_SCAN_TMO        0x4000	 /* scsi scan timer running */
+#define FC_ABORT_DISCOVERY      0x8000	 /* we want to abort discovery */
+#define FC_NDISC_ACTIVE         0x10000	 /* NPort discovery active */
+#define FC_BYPASSED_MODE        0x20000	 /* NPort is in bypassed mode */
+#define FC_RFF_NOT_SUPPORTED    0x40000	 /* RFF_ID was rejected by switch */
+#define FC_VPORT_NEEDS_REG_VPI	0x80000  /* Needs to have its vpi registered */
+#define FC_RSCN_DEFERRED	0x100000 /* A deferred RSCN being processed */
+
+	struct list_head fc_nodes;
+
+	/* Keep counters for the number of entries in each list. */
+	uint16_t fc_plogi_cnt;
+	uint16_t fc_adisc_cnt;
+	uint16_t fc_reglogin_cnt;
+	uint16_t fc_prli_cnt;
+	uint16_t fc_unmap_cnt;
+	uint16_t fc_map_cnt;
+	uint16_t fc_npr_cnt;
+	uint16_t fc_unused_cnt;
+	struct serv_parm fc_sparam;	/* buffer for our service parameters */
+
+	uint32_t fc_myDID;	/* fibre channel S_ID */
+	uint32_t fc_prevDID;	/* previous fibre channel S_ID */
+
+	int32_t stopped;   /* HBA has not been restarted since last ERATT */
+	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
+
+	uint32_t num_disc_nodes;	/*in addition to hba_state */
+
+	uint32_t fc_nlp_cnt;	/* outstanding NODELIST requests */
+	uint32_t fc_rscn_id_cnt;	/* count of RSCNs payloads in list */
+	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
+	struct lpfc_name fc_nodename;	/* fc nodename */
+	struct lpfc_name fc_portname;	/* fc portname */
+
+	struct lpfc_work_evt disc_timeout_evt;
+
+	struct timer_list fc_disctmo;	/* Discovery rescue timer */
+	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
+	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */
+
+	spinlock_t work_port_lock;
+	uint32_t work_port_events; /* Timeout to be handled  */
+#define WORKER_DISC_TMO                0x1	/* vport: Discovery timeout */
+#define WORKER_ELS_TMO                 0x2	/* vport: ELS timeout */
+#define WORKER_FDMI_TMO                0x4	/* vport: FDMI timeout */
+
+#define WORKER_MBOX_TMO                0x100	/* hba: MBOX timeout */
+#define WORKER_HB_TMO                  0x200	/* hba: Heart beat timeout */
+#define WORKER_FABRIC_BLOCK_TMO        0x400	/* hba: fabric block timout */
+#define WORKER_RAMP_DOWN_QUEUE         0x800	/* hba: Decrease Q depth */
+#define WORKER_RAMP_UP_QUEUE           0x1000	/* hba: Increase Q depth */
+
+	struct timer_list fc_fdmitmo;
+	struct timer_list els_tmofunc;
+
+	int unreg_vpi_cmpl;
+
+	uint8_t load_flag;
+#define FC_LOADING		0x1	/* HBA in process of loading drvr */
+#define FC_UNLOADING		0x2	/* HBA in process of unloading drvr */
+	char  *vname;		        /* Application assigned name */
+	struct fc_vport *fc_vport;
+
+#ifdef CONFIG_LPFC_DEBUG_FS
+	struct dentry *debug_disc_trc;
+	struct dentry *debug_nodelist;
+	struct dentry *vport_debugfs_root;
+	struct lpfc_disc_trc *disc_trc;
+	atomic_t disc_trc_cnt;
+#endif
+};
+
+struct hbq_s {
+	uint16_t entry_count;	  /* Current number of HBQ slots */
+	uint32_t next_hbqPutIdx;  /* Index to next HBQ slot to use */
+	uint32_t hbqPutIdx;	  /* HBQ slot to use */
+	uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */
+};
+
+#define LPFC_MAX_HBQS  16
+/* this matches the possition in the lpfc_hbq_defs array */
+#define LPFC_ELS_HBQ	0
+
 struct lpfc_hba {
 	struct lpfc_sli sli;
+	uint32_t sli_rev;		/* SLI2 or SLI3 */
+	uint32_t sli3_options;		/* Mask of enabled SLI3 options */
+#define LPFC_SLI3_ENABLED 	 0x01
+#define LPFC_SLI3_HBQ_ENABLED	 0x02
+#define LPFC_SLI3_NPIV_ENABLED	 0x04
+#define LPFC_SLI3_VPORT_TEARDOWN 0x08
+	uint32_t iocb_cmd_size;
+	uint32_t iocb_rsp_size;
+
+	enum hba_state link_state;
+	uint32_t link_flag;	/* link state flags */
+#define LS_LOOPBACK_MODE      0x1 	/* NPort is in Loopback mode */
+					/* This flag is set while issuing */
+					/* INIT_LINK mailbox command */
+#define LS_NPIV_FAB_SUPPORTED 0x2	/* Fabric supports NPIV */
+#define LS_IGNORE_ERATT       0x3	/* intr handler should ignore ERATT */
+
 	struct lpfc_sli2_slim *slim2p;
+	struct lpfc_dmabuf hbqslimp;
+
 	dma_addr_t slim2p_mapping;
+
 	uint16_t pci_cfg_value;
 
-	int32_t hba_state;
-
-#define LPFC_STATE_UNKNOWN        0    /* HBA state is unknown */
-#define LPFC_WARM_START           1    /* HBA state after selective reset */
-#define LPFC_INIT_START           2    /* Initial state after board reset */
-#define LPFC_INIT_MBX_CMDS        3    /* Initialize HBA with mbox commands */
-#define LPFC_LINK_DOWN            4    /* HBA initialized, link is down */
-#define LPFC_LINK_UP              5    /* Link is up  - issue READ_LA */
-#define LPFC_LOCAL_CFG_LINK       6    /* local NPORT Id configured */
-#define LPFC_FLOGI                7    /* FLOGI sent to Fabric */
-#define LPFC_FABRIC_CFG_LINK      8    /* Fabric assigned NPORT Id
-					   configured */
-#define LPFC_NS_REG               9	/* Register with NameServer */
-#define LPFC_NS_QRY               10	/* Query NameServer for NPort ID list */
-#define LPFC_BUILD_DISC_LIST      11	/* Build ADISC and PLOGI lists for
-					 * device authentication / discovery */
-#define LPFC_DISC_AUTH            12	/* Processing ADISC list */
-#define LPFC_CLEAR_LA             13	/* authentication cmplt - issue
-					   CLEAR_LA */
-#define LPFC_HBA_READY            32
-#define LPFC_HBA_ERROR            -1
+	uint8_t work_found;
+#define LPFC_MAX_WORKER_ITERATION  4
 
-	int32_t stopped;   /* HBA has not been restarted since last ERATT */
 	uint8_t fc_linkspeed;	/* Link speed after last READ_LA */
 
 	uint32_t fc_eventTag;	/* event tag for link attention */
-	uint32_t fc_prli_sent;	/* cntr for outstanding PRLIs */
 
-	uint32_t num_disc_nodes;	/*in addition to hba_state */
 
 	struct timer_list fc_estabtmo;	/* link establishment timer */
-	struct timer_list fc_disctmo;	/* Discovery rescue timer */
-	struct timer_list fc_fdmitmo;	/* fdmi timer */
 	/* These fields used to be binfo */
-	struct lpfc_name fc_nodename;	/* fc nodename */
-	struct lpfc_name fc_portname;	/* fc portname */
 	uint32_t fc_pref_DID;	/* preferred D_ID */
-	uint8_t fc_pref_ALPA;	/* preferred AL_PA */
+	uint8_t  fc_pref_ALPA;	/* preferred AL_PA */
 	uint32_t fc_edtov;	/* E_D_TOV timer value */
 	uint32_t fc_arbtov;	/* ARB_TOV timer value */
 	uint32_t fc_ratov;	/* R_A_TOV timer value */
@@ -216,61 +396,21 @@ struct lpfc_hba {
 	uint32_t fc_altov;	/* AL_TOV timer value */
 	uint32_t fc_crtov;	/* C_R_TOV timer value */
 	uint32_t fc_citov;	/* C_I_TOV timer value */
-	uint32_t fc_myDID;	/* fibre channel S_ID */
-	uint32_t fc_prevDID;	/* previous fibre channel S_ID */
 
-	struct serv_parm fc_sparam;	/* buffer for our service parameters */
 	struct serv_parm fc_fabparam;	/* fabric service parameters buffer */
 	uint8_t alpa_map[128];	/* AL_PA map from READ_LA */
 
-	uint8_t fc_ns_retry;	/* retries for fabric nameserver */
-	uint32_t fc_nlp_cnt;	/* outstanding NODELIST requests */
-	uint32_t fc_rscn_id_cnt;	/* count of RSCNs payloads in list */
-	struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
 	uint32_t lmt;
-	uint32_t fc_flag;	/* FC flags */
-#define FC_PT2PT                0x1	/* pt2pt with no fabric */
-#define FC_PT2PT_PLOGI          0x2	/* pt2pt initiate PLOGI */
-#define FC_DISC_TMO             0x4	/* Discovery timer running */
-#define FC_PUBLIC_LOOP          0x8	/* Public loop */
-#define FC_LBIT                 0x10	/* LOGIN bit in loopinit set */
-#define FC_RSCN_MODE            0x20	/* RSCN cmd rcv'ed */
-#define FC_NLP_MORE             0x40	/* More node to process in node tbl */
-#define FC_OFFLINE_MODE         0x80	/* Interface is offline for diag */
-#define FC_FABRIC               0x100	/* We are fabric attached */
-#define FC_ESTABLISH_LINK       0x200	/* Reestablish Link */
-#define FC_RSCN_DISCOVERY       0x400	/* Authenticate all devices after RSCN*/
-#define FC_BLOCK_MGMT_IO        0x800   /* Don't allow mgmt mbx or iocb cmds */
-#define FC_LOADING		0x1000	/* HBA in process of loading drvr */
-#define FC_UNLOADING		0x2000	/* HBA in process of unloading drvr */
-#define FC_SCSI_SCAN_TMO        0x4000	/* scsi scan timer running */
-#define FC_ABORT_DISCOVERY      0x8000	/* we want to abort discovery */
-#define FC_NDISC_ACTIVE         0x10000	/* NPort discovery active */
-#define FC_BYPASSED_MODE        0x20000	/* NPort is in bypassed mode */
-#define FC_LOOPBACK_MODE        0x40000	/* NPort is in Loopback mode */
-					/* This flag is set while issuing */
-					/* INIT_LINK mailbox command */
-#define FC_IGNORE_ERATT         0x80000	/* intr handler should ignore ERATT */
 
 	uint32_t fc_topology;	/* link topology, from LINK INIT */
 
 	struct lpfc_stats fc_stat;
 
-	struct list_head fc_nodes;
-
-	/* Keep counters for the number of entries in each list. */
-	uint16_t fc_plogi_cnt;
-	uint16_t fc_adisc_cnt;
-	uint16_t fc_reglogin_cnt;
-	uint16_t fc_prli_cnt;
-	uint16_t fc_unmap_cnt;
-	uint16_t fc_map_cnt;
-	uint16_t fc_npr_cnt;
-	uint16_t fc_unused_cnt;
 	struct lpfc_nodelist fc_fcpnodev; /* nodelist entry for no device */
 	uint32_t nport_event_cnt;	/* timestamp for nlplist entry */
 
-	uint32_t wwnn[2];
+	uint8_t  wwnn[8];
+	uint8_t  wwpn[8];
 	uint32_t RandomData[7];
 
 	uint32_t cfg_log_verbose;
@@ -278,6 +418,9 @@ struct lpfc_hba {
 	uint32_t cfg_nodev_tmo;
 	uint32_t cfg_devloss_tmo;
 	uint32_t cfg_hba_queue_depth;
+	uint32_t cfg_peer_port_login;
+	uint32_t cfg_vport_restrict_login;
+	uint32_t cfg_npiv_enable;
 	uint32_t cfg_fcp_class;
 	uint32_t cfg_use_adisc;
 	uint32_t cfg_ack0;
@@ -304,22 +447,20 @@ struct lpfc_hba {
 
 	lpfc_vpd_t vpd;		/* vital product data */
 
-	struct Scsi_Host *host;
 	struct pci_dev *pcidev;
 	struct list_head      work_list;
 	uint32_t              work_ha;      /* Host Attention Bits for WT */
 	uint32_t              work_ha_mask; /* HA Bits owned by WT        */
 	uint32_t              work_hs;      /* HS stored in case of ERRAT */
 	uint32_t              work_status[2]; /* Extra status from SLIM */
-	uint32_t              work_hba_events; /* Timeout to be handled  */
-#define WORKER_DISC_TMO                0x1	/* Discovery timeout */
-#define WORKER_ELS_TMO                 0x2	/* ELS timeout */
-#define WORKER_MBOX_TMO                0x4	/* MBOX timeout */
-#define WORKER_FDMI_TMO                0x8	/* FDMI timeout */
 
 	wait_queue_head_t    *work_wait;
 	struct task_struct   *worker_thread;
 
+	struct list_head hbq_buffer_list;
+	uint32_t hbq_count;	        /* Count of configured HBQs */
+	struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies  */
+
 	unsigned long pci_bar0_map;     /* Physical address for PCI BAR0 */
 	unsigned long pci_bar2_map;     /* Physical address for PCI BAR2 */
 	void __iomem *slim_memmap_p;	/* Kernel memory mapped address for
@@ -334,6 +475,10 @@ struct lpfc_hba {
 					   reg */
 	void __iomem *HCregaddr;	/* virtual address for host ctl reg */
 
+	struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
+	uint32_t __iomem  *hbq_put;     /* Address in SLIM to HBQ put ptrs */
+	uint32_t          *hbq_get;     /* Host mem address of HBQ get ptrs */
+
 	int brd_no;			/* FC board number */
 
 	char SerialNumber[32];		/* adapter Serial Number */
@@ -353,7 +498,6 @@ struct lpfc_hba {
 	uint8_t soft_wwn_enable;
 
 	struct timer_list fcp_poll_timer;
-	struct timer_list els_tmofunc;
 
 	/*
 	 * stat  counters
@@ -370,31 +514,69 @@ struct lpfc_hba {
 	uint32_t total_scsi_bufs;
 	struct list_head lpfc_iocb_list;
 	uint32_t total_iocbq_bufs;
+	spinlock_t hbalock;
 
 	/* pci_mem_pools */
 	struct pci_pool *lpfc_scsi_dma_buf_pool;
 	struct pci_pool *lpfc_mbuf_pool;
+	struct pci_pool *lpfc_hbq_pool;
 	struct lpfc_dma_pool lpfc_mbuf_safety_pool;
 
 	mempool_t *mbox_mem_pool;
 	mempool_t *nlp_mem_pool;
 
 	struct fc_host_statistics link_stats;
+
+	struct list_head port_list;
+	struct lpfc_vport *pport; /* physical lpfc_vport pointer */
+	uint16_t max_vpi;	/* Maximum virtual nports */
+#define LPFC_MAX_VPI 100  /* Max number of VPorts supported */
+	unsigned long *vpi_bmask; /* vpi allocation table */
+
+	/* Data structure used by fabric iocb scheduler */
+	struct list_head fabric_iocb_list;
+	atomic_t fabric_iocb_count;
+	struct timer_list fabric_block_timer;
+	unsigned long bit_flags;
+#define	FABRIC_COMANDS_BLOCKED	0
+	atomic_t num_rsrc_err;
+	atomic_t num_cmd_success;
+	unsigned long last_rsrc_error_time;
+	unsigned long last_ramp_down_time;
+	unsigned long last_ramp_up_time;
+#ifdef CONFIG_LPFC_DEBUG_FS
+	struct dentry *hba_debugfs_root;
+	atomic_t debugfs_vport_count;
+#endif
+
+	/* Fields used for heart beat. */
+	unsigned long last_completion_time;
+	struct timer_list hb_tmofunc;
+	uint8_t hb_outstanding;
 };
 
+static inline struct Scsi_Host *
+lpfc_shost_from_vport(struct lpfc_vport *vport)
+{
+	return container_of((void *) vport, struct Scsi_Host, hostdata[0]);
+}
+
 static inline void
-lpfc_set_loopback_flag(struct lpfc_hba *phba) {
+lpfc_set_loopback_flag(struct lpfc_hba *phba)
+{
 	if (phba->cfg_topology == FLAGS_LOCAL_LB)
-		phba->fc_flag |= FC_LOOPBACK_MODE;
+		phba->link_flag |= LS_LOOPBACK_MODE;
 	else
-		phba->fc_flag &= ~FC_LOOPBACK_MODE;
+		phba->link_flag &= ~LS_LOOPBACK_MODE;
 }
 
-struct rnidrsp {
-	void *buf;
-	uint32_t uniqueid;
-	struct list_head list;
-	uint32_t data;
-};
+static inline int
+lpfc_is_link_up(struct lpfc_hba *phba)
+{
+	return  phba->link_state == LPFC_LINK_UP ||
+		phba->link_state == LPFC_CLEAR_LA ||
+		phba->link_state == LPFC_HBA_READY;
+}
 
 #define FC_REG_DUMP_EVENT	0x10	/* Register for Dump events */
+

drivers/scsi/lpfc/lpfc_crtn.h

@@ -23,92 +23,114 @@ typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
 struct fc_rport;
 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
 void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
 		 struct lpfc_dmabuf *mp);
 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport);
 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
-int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
-int lpfc_reg_login(struct lpfc_hba *, uint32_t, uint8_t *, LPFC_MBOXQ_t *,
-		   uint32_t);
-void lpfc_unreg_login(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
-void lpfc_unreg_did(struct lpfc_hba *, uint32_t, LPFC_MBOXQ_t *);
+int lpfc_reg_login(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
+		   LPFC_MBOXQ_t *, uint32_t);
+void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_reg_vpi(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 
-
+void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
 int lpfc_linkdown(struct lpfc_hba *);
 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 
 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
-void lpfc_dequeue_node(struct lpfc_hba *, struct lpfc_nodelist *);
-void lpfc_nlp_set_state(struct lpfc_hba *, struct lpfc_nodelist *, int);
-void lpfc_drop_node(struct lpfc_hba *, struct lpfc_nodelist *);
-void lpfc_set_disctmo(struct lpfc_hba *);
-int lpfc_can_disctmo(struct lpfc_hba *);
-int lpfc_unreg_rpi(struct lpfc_hba *, struct lpfc_nodelist *);
+void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
+void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
+void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
+void lpfc_set_disctmo(struct lpfc_vport *);
+int  lpfc_can_disctmo(struct lpfc_vport *);
+int  lpfc_unreg_rpi(struct lpfc_vport *, struct lpfc_nodelist *);
+void lpfc_unreg_all_rpis(struct lpfc_vport *);
+void lpfc_unreg_default_rpis(struct lpfc_vport *);
+void lpfc_issue_reg_vpi(struct lpfc_hba *, struct lpfc_vport *);
+
 int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *,
-		    struct lpfc_iocbq *, struct lpfc_nodelist *);
-void lpfc_nlp_init(struct lpfc_hba *, struct lpfc_nodelist *, uint32_t);
+			struct lpfc_iocbq *, struct lpfc_nodelist *);
+void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t);
 struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *);
 int  lpfc_nlp_put(struct lpfc_nodelist *);
-struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_hba *, uint32_t);
-void lpfc_disc_list_loopmap(struct lpfc_hba *);
-void lpfc_disc_start(struct lpfc_hba *);
-void lpfc_disc_flush_list(struct lpfc_hba *);
+struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t);
+void lpfc_disc_list_loopmap(struct lpfc_vport *);
+void lpfc_disc_start(struct lpfc_vport *);
+void lpfc_disc_flush_list(struct lpfc_vport *);
+void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
 void lpfc_disc_timeout(unsigned long);
 
-struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
-struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi);
+struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
+struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
 
+void lpfc_worker_wake_up(struct lpfc_hba *);
 int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
 int lpfc_do_work(void *);
-int lpfc_disc_state_machine(struct lpfc_hba *, struct lpfc_nodelist *, void *,
+int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *,
 			    uint32_t);
 
-int lpfc_check_sparm(struct lpfc_hba *, struct lpfc_nodelist *,
+void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
+			struct lpfc_nodelist *);
+void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
+int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
 		     struct serv_parm *, uint32_t);
-int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist * ndlp);
+int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
+int lpfc_els_chk_latt(struct lpfc_vport *);
 int lpfc_els_abort_flogi(struct lpfc_hba *);
-int lpfc_initial_flogi(struct lpfc_hba *);
-int lpfc_issue_els_plogi(struct lpfc_hba *, uint32_t, uint8_t);
-int lpfc_issue_els_prli(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
-int lpfc_issue_els_adisc(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
-int lpfc_issue_els_logo(struct lpfc_hba *, struct lpfc_nodelist *, uint8_t);
-int lpfc_issue_els_scr(struct lpfc_hba *, uint32_t, uint8_t);
+int lpfc_initial_flogi(struct lpfc_vport *);
+int lpfc_initial_fdisc(struct lpfc_vport *);
+int lpfc_issue_els_fdisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
+int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t);
+int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
+int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
+int lpfc_issue_els_logo(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t);
+int lpfc_issue_els_npiv_logo(struct lpfc_vport *, struct lpfc_nodelist *);
+int lpfc_issue_els_scr(struct lpfc_vport *, uint32_t, uint8_t);
 int lpfc_els_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
-int lpfc_els_rsp_acc(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
+int lpfc_ct_free_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
+int lpfc_els_rsp_acc(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
 		     struct lpfc_nodelist *, LPFC_MBOXQ_t *, uint8_t);
-int lpfc_els_rsp_reject(struct lpfc_hba *, uint32_t, struct lpfc_iocbq *,
-			struct lpfc_nodelist *);
-int lpfc_els_rsp_adisc_acc(struct lpfc_hba *, struct lpfc_iocbq *,
+int lpfc_els_rsp_reject(struct lpfc_vport *, uint32_t, struct lpfc_iocbq *,
+			struct lpfc_nodelist *, LPFC_MBOXQ_t *);
+int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *,
 			   struct lpfc_nodelist *);
-int lpfc_els_rsp_prli_acc(struct lpfc_hba *, struct lpfc_iocbq *,
+int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *,
 			  struct lpfc_nodelist *);
-void lpfc_cancel_retry_delay_tmo(struct lpfc_hba *, struct lpfc_nodelist *);
+void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *);
 void lpfc_els_retry_delay(unsigned long);
 void lpfc_els_retry_delay_handler(struct lpfc_nodelist *);
+void lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *);
 void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 			  struct lpfc_iocbq *);
-int lpfc_els_handle_rscn(struct lpfc_hba *);
-int lpfc_els_flush_rscn(struct lpfc_hba *);
-int lpfc_rscn_payload_check(struct lpfc_hba *, uint32_t);
-void lpfc_els_flush_cmd(struct lpfc_hba *);
-int lpfc_els_disc_adisc(struct lpfc_hba *);
-int lpfc_els_disc_plogi(struct lpfc_hba *);
+int lpfc_els_handle_rscn(struct lpfc_vport *);
+void lpfc_els_flush_rscn(struct lpfc_vport *);
+int lpfc_rscn_payload_check(struct lpfc_vport *, uint32_t);
+void lpfc_els_flush_cmd(struct lpfc_vport *);
+int lpfc_els_disc_adisc(struct lpfc_vport *);
+int lpfc_els_disc_plogi(struct lpfc_vport *);
 void lpfc_els_timeout(unsigned long);
-void lpfc_els_timeout_handler(struct lpfc_hba *);
+void lpfc_els_timeout_handler(struct lpfc_vport *);
+void lpfc_hb_timeout(unsigned long);
+void lpfc_hb_timeout_handler(struct lpfc_hba *);
 
 void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 			 struct lpfc_iocbq *);
-int lpfc_ns_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
-int lpfc_fdmi_cmd(struct lpfc_hba *, struct lpfc_nodelist *, int);
+int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
+int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
 void lpfc_fdmi_tmo(unsigned long);
-void lpfc_fdmi_tmo_handler(struct lpfc_hba *);
+void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport);
 
 int lpfc_config_port_prep(struct lpfc_hba *);
 int lpfc_config_port_post(struct lpfc_hba *);
@@ -136,16 +158,23 @@ void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
+void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
 
+void lpfc_config_hbq(struct lpfc_hba *, struct lpfc_hbq_init *, uint32_t ,
+		     LPFC_MBOXQ_t *);
+struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *, uint32_t);
+
 int lpfc_mem_alloc(struct lpfc_hba *);
 void lpfc_mem_free(struct lpfc_hba *);
+void lpfc_stop_vport_timers(struct lpfc_vport *);
 
 void lpfc_poll_timeout(unsigned long ptr);
 void lpfc_poll_start_timer(struct lpfc_hba * phba);
 void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
 void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
+void __lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
 uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
 
 void lpfc_reset_barrier(struct lpfc_hba * phba);
@@ -154,6 +183,7 @@ int lpfc_sli_brdkill(struct lpfc_hba *);
 int lpfc_sli_brdreset(struct lpfc_hba *);
 int lpfc_sli_brdrestart(struct lpfc_hba *);
 int lpfc_sli_hba_setup(struct lpfc_hba *);
+int lpfc_sli_host_down(struct lpfc_vport *);
 int lpfc_sli_hba_down(struct lpfc_hba *);
 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
@@ -164,27 +194,36 @@ void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
 			struct lpfc_iocbq *, uint32_t);
 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
-int lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
+void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 			     struct lpfc_dmabuf *);
 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
 					     struct lpfc_sli_ring *,
 					     dma_addr_t);
+int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *, uint32_t);
+int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t);
+void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *);
+struct hbq_dmabuf *lpfc_sli_hbqbuf_find(struct lpfc_hba *, uint32_t);
+int lpfc_sli_hbq_size(void);
 int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *,
 			       struct lpfc_iocbq *);
 int lpfc_sli_sum_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
-			  uint64_t, lpfc_ctx_cmd);
+		      uint64_t, lpfc_ctx_cmd);
 int lpfc_sli_abort_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, uint16_t,
-			    uint64_t, uint32_t, lpfc_ctx_cmd);
+			uint64_t, uint32_t, lpfc_ctx_cmd);
 
 void lpfc_mbox_timeout(unsigned long);
 void lpfc_mbox_timeout_handler(struct lpfc_hba *);
 
-struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_hba *, uint32_t);
-struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_hba *, struct lpfc_name *);
+struct lpfc_nodelist *__lpfc_find_node(struct lpfc_vport *, node_filter,
+				       void *);
+struct lpfc_nodelist *lpfc_find_node(struct lpfc_vport *, node_filter, void *);
+struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
+struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
+					 struct lpfc_name *);
 
 int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
-			 uint32_t timeout);
+			     uint32_t timeout);
 
 int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
 			     struct lpfc_sli_ring * pring,
@@ -195,25 +234,56 @@ void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
 			     struct lpfc_iocbq * cmdiocb,
 			     struct lpfc_iocbq * rspiocb);
 
+void *lpfc_hbq_alloc(struct lpfc_hba *, int, dma_addr_t *);
+void lpfc_hbq_free(struct lpfc_hba *, void *, dma_addr_t);
+void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
+
 void *lpfc_mbuf_alloc(struct lpfc_hba *, int, dma_addr_t *);
+void __lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 void lpfc_mbuf_free(struct lpfc_hba *, void *, dma_addr_t);
 
+void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);
 /* Function prototypes. */
 const char* lpfc_info(struct Scsi_Host *);
-void lpfc_scan_start(struct Scsi_Host *);
 int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
 
 void lpfc_get_cfgparam(struct lpfc_hba *);
-int lpfc_alloc_sysfs_attr(struct lpfc_hba *);
-void lpfc_free_sysfs_attr(struct lpfc_hba *);
-extern struct class_device_attribute *lpfc_host_attrs[];
+int lpfc_alloc_sysfs_attr(struct lpfc_vport *);
+void lpfc_free_sysfs_attr(struct lpfc_vport *);
+extern struct class_device_attribute *lpfc_hba_attrs[];
 extern struct scsi_host_template lpfc_template;
 extern struct fc_function_template lpfc_transport_functions;
+extern struct fc_function_template lpfc_vport_transport_functions;
+extern int lpfc_sli_mode;
 
-void lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp);
+int  lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t);
 void lpfc_terminate_rport_io(struct fc_rport *);
 void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 
+struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct fc_vport *);
+int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
+void lpfc_mbx_unreg_vpi(struct lpfc_vport *);
+void destroy_port(struct lpfc_vport *);
+int lpfc_get_instance(void);
+void lpfc_host_attrib_init(struct Scsi_Host *);
+
+extern void lpfc_debugfs_initialize(struct lpfc_vport *);
+extern void lpfc_debugfs_terminate(struct lpfc_vport *);
+extern void lpfc_debugfs_disc_trc(struct lpfc_vport *, int, char *, uint32_t,
+	uint32_t, uint32_t);
+
+/* Interface exported by fabric iocb scheduler */
+int lpfc_issue_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *);
+void lpfc_fabric_abort_vport(struct lpfc_vport *);
+void lpfc_fabric_abort_nport(struct lpfc_nodelist *);
+void lpfc_fabric_abort_hba(struct lpfc_hba *);
+void lpfc_fabric_abort_flogi(struct lpfc_hba *);
+void lpfc_fabric_block_timeout(unsigned long);
+void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
+void lpfc_adjust_queue_depth(struct lpfc_hba *);
+void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
+void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
+
 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 #define HBA_EVENT_RSCN                   5
 #define HBA_EVENT_LINK_UP                2