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

drivers/message/fusion/Kconfig

@@ -35,6 +35,23 @@ config FUSION_FC
 	  LSIFC929X
 	  LSIFC929XL
 
+config FUSION_SAS
+	tristate "Fusion MPT ScsiHost drivers for SAS"
+	depends on PCI && SCSI
+ 	select FUSION
+	select SCSI_SAS_ATTRS
+	---help---
+	  SCSI HOST support for a SAS host adapters.
+
+	  List of supported controllers:
+
+	  LSISAS1064
+	  LSISAS1066
+	  LSISAS1068
+	  LSISAS1064E
+	  LSISAS1066E
+	  LSISAS1068E
+
 config FUSION_MAX_SGE
 	int "Maximum number of scatter gather entries (16 - 128)"
 	depends on FUSION

drivers/message/fusion/Makefile

@@ -34,5 +34,6 @@
 
 obj-$(CONFIG_FUSION_SPI)	+= mptbase.o mptscsih.o mptspi.o
 obj-$(CONFIG_FUSION_FC)		+= mptbase.o mptscsih.o mptfc.o
+obj-$(CONFIG_FUSION_SAS)	+= mptbase.o mptscsih.o mptsas.o
 obj-$(CONFIG_FUSION_CTL)	+= mptctl.o
 obj-$(CONFIG_FUSION_LAN)	+= mptlan.o

drivers/message/fusion/mptbase.h

@@ -65,6 +65,7 @@
 #include "lsi/mpi_fc.h"		/* Fibre Channel (lowlevel) support */
 #include "lsi/mpi_targ.h"	/* SCSI/FCP Target protcol support */
 #include "lsi/mpi_tool.h"	/* Tools support */
+#include "lsi/mpi_sas.h"	/* SAS support */
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 
@@ -76,8 +77,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.03.02"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.03.02"
+#define MPT_LINUX_VERSION_COMMON	"3.03.03"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.03.03"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -423,7 +424,7 @@ typedef struct _MPT_IOCTL {
 /*
  *  Event Structure and define
  */
-#define MPTCTL_EVENT_LOG_SIZE		(0x0000000A)
+#define MPTCTL_EVENT_LOG_SIZE		(0x000000032)
 typedef struct _mpt_ioctl_events {
 	u32	event;		/* Specified by define above */
 	u32	eventContext;	/* Index or counter */
@@ -451,16 +452,13 @@ typedef struct _mpt_ioctl_events {
 #define MPT_SCSICFG_ALL_IDS		0x02	/* WriteSDP1 to all IDS */
 /* #define MPT_SCSICFG_BLK_NEGO		0x10	   WriteSDP1 with WDTR and SDTR disabled */
 
-typedef	struct _ScsiCfgData {
+typedef	struct _SpiCfgData {
 	u32		 PortFlags;
 	int		*nvram;			/* table of device NVRAM values */
-	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
-	IOCPage3_t	*pIocPg3;		/* table of physical disks */
 	IOCPage4_t	*pIocPg4;		/* SEP devices addressing */
 	dma_addr_t	 IocPg4_dma;		/* Phys Addr of IOCPage4 data */
 	int		 IocPg4Sz;		/* IOCPage4 size */
 	u8		 dvStatus[MPT_MAX_SCSI_DEVICES];
-	int		 isRaid;		/* bit field, 1 if RAID */
 	u8		 minSyncFactor;		/* 0xFF if async */
 	u8		 maxSyncOffset;		/* 0 if async */
 	u8		 maxBusWidth;		/* 0 if narrow, 1 if wide */
@@ -472,10 +470,28 @@ typedef	struct _ScsiCfgData {
 	u8		 dvScheduled;		/* 1 if scheduled */
 	u8		 forceDv;		/* 1 to force DV scheduling */
 	u8		 noQas;			/* Disable QAS for this adapter */
-	u8		 Saf_Te;		/* 1 to force all Processors as SAF-TE if Inquiry data length is too short to check for SAF-TE */
+	u8		 Saf_Te;		/* 1 to force all Processors as
+						 * SAF-TE if Inquiry data length
+						 * is too short to check for SAF-TE
+						 */
 	u8		 mpt_dv;		/* command line option: enhanced=1, basic=0 */
+	u8		 bus_reset;		/* 1 to allow bus reset */
 	u8		 rsvd[1];
-} ScsiCfgData;
+}SpiCfgData;
+
+typedef	struct _SasCfgData {
+	u8		 ptClear;		/* 1 to automatically clear the
+						 * persistent table.
+						 * 0 to disable
+						 * automatic clearing.
+						 */
+}SasCfgData;
+
+typedef	struct _RaidCfgData {
+	IOCPage2_t	*pIocPg2;		/* table of Raid Volumes */
+	IOCPage3_t	*pIocPg3;		/* table of physical disks */
+	int		 isRaid;		/* bit field, 1 if RAID */
+}RaidCfgData;
 
 /*
  *  Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
@@ -530,11 +546,16 @@ typedef struct _MPT_ADAPTER
 	u8			*sense_buf_pool;
 	dma_addr_t		 sense_buf_pool_dma;
 	u32			 sense_buf_low_dma;
+	u8			*HostPageBuffer; /* SAS - host page buffer support */
+	u32			HostPageBuffer_sz;
+	dma_addr_t		HostPageBuffer_dma;
 	int			 mtrr_reg;
 	struct pci_dev		*pcidev;	/* struct pci_dev pointer */
 	u8			__iomem *memmap;	/* mmap address */
 	struct Scsi_Host	*sh;		/* Scsi Host pointer */
-	ScsiCfgData		spi_data;	/* Scsi config. data */
+	SpiCfgData		spi_data;	/* Scsi config. data */
+	RaidCfgData		raid_data;	/* Raid config. data */
+	SasCfgData		sas_data;	/* Sas config. data */
 	MPT_IOCTL		*ioctl;		/* ioctl data pointer */
 	struct proc_dir_entry	*ioc_dentry;
 	struct _MPT_ADAPTER	*alt_ioc;	/* ptr to 929 bound adapter port */
@@ -554,31 +575,35 @@ typedef struct _MPT_ADAPTER
 #else
 	u32			 mfcnt;
 #endif
-	u32			 NB_for_64_byte_frame;       
+	u32			 NB_for_64_byte_frame;
 	u32			 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
 	u16			 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
 	IOCFactsReply_t		 facts;
 	PortFactsReply_t	 pfacts[2];
 	FCPortPage0_t		 fc_port_page0[2];
+	struct timer_list	 persist_timer;	/* persist table timer */
+	int			 persist_wait_done; /* persist completion flag */
+	u8			 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
 	LANPage0_t		 lan_cnfg_page0;
 	LANPage1_t		 lan_cnfg_page1;
-	/*  
+	/*
 	 * Description: errata_flag_1064
 	 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
 	 * a split completion for a read data, an internal address pointer incorrectly
 	 * increments by 32 bytes
 	 */
-	int			 errata_flag_1064;	
+	int			 errata_flag_1064;
 	u8			 FirstWhoInit;
 	u8			 upload_fw;	/* If set, do a fw upload */
 	u8			 reload_fw;	/* Force a FW Reload on next reset */
-	u8			 NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */     
+	u8			 NBShiftFactor;  /* NB Shift Factor based on Block Size (Facts)  */
 	u8			 pad1[4];
 	int			 DoneCtx;
 	int			 TaskCtx;
 	int			 InternalCtx;
-	struct list_head	 list; 
+	struct list_head	 list;
 	struct net_device	*netdev;
+	struct list_head	 sas_topology;
 } MPT_ADAPTER;
 
 /*
@@ -964,6 +989,7 @@ extern void	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
 extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
 extern int	 mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
+extern int	 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
 
 /*
  *  Public data decl's...

drivers/message/fusion/mptctl.c

@@ -1326,7 +1326,7 @@ mptctl_gettargetinfo (unsigned long arg)
 		 */
 		if (hd && hd->Targets) {
 			mpt_findImVolumes(ioc);
-			pIoc2 = ioc->spi_data.pIocPg2;
+			pIoc2 = ioc->raid_data.pIocPg2;
 			for ( id = 0; id <= max_id; ) {
 				if ( pIoc2 && pIoc2->NumActiveVolumes ) {
 					if ( id == pIoc2->RaidVolume[0].VolumeID ) {
@@ -1348,7 +1348,7 @@ mptctl_gettargetinfo (unsigned long arg)
 						--maxWordsLeft;
 						goto next_id;
 					} else {
-						pIoc3 = ioc->spi_data.pIocPg3;
+						pIoc3 = ioc->raid_data.pIocPg3;
             					for ( jj = 0; jj < pIoc3->NumPhysDisks; jj++ ) {
                     					if ( pIoc3->PhysDisk[jj].PhysDiskID == id )
 								goto next_id;

drivers/message/fusion/mptfc.c

@@ -189,7 +189,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		printk(MYIOC_s_WARN_FMT
 			"Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
 			ioc->name, ioc);
-		return -ENODEV;
+		return 0;
 	}
 
 	sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));

drivers/message/fusion/mptlan.c

@@ -312,7 +312,12 @@ static int
 mpt_lan_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 {
 	struct net_device *dev = ioc->netdev;
-	struct mpt_lan_priv *priv = netdev_priv(dev);
+	struct mpt_lan_priv *priv;
+
+	if (dev == NULL)
+		return(1);
+	else
+		priv = netdev_priv(dev);
 
 	dlprintk((KERN_INFO MYNAM ": IOC %s_reset routed to LAN driver!\n",
 			reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (

drivers/message/fusion/mptsas.c

@@ -0,0 +1,1235 @@
+/*
+ *  linux/drivers/message/fusion/mptsas.c
+ *      For use with LSI Logic PCI chip/adapter(s)
+ *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
+ *
+ *  Copyright (c) 1999-2005 LSI Logic Corporation
+ *  (mailto:mpt_linux_developer@lsil.com)
+ *  Copyright (c) 2005 Dell
+ */
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+    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; version 2 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    NO WARRANTY
+    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
+    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
+    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
+    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
+    solely responsible for determining the appropriateness of using and
+    distributing the Program and assumes all risks associated with its
+    exercise of rights under this Agreement, including but not limited to
+    the risks and costs of program errors, damage to or loss of data,
+    programs or equipment, and unavailability or interruption of operations.
+
+    DISCLAIMER OF LIABILITY
+    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
+    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_sas.h>
+
+#include "mptbase.h"
+#include "mptscsih.h"
+
+
+#define my_NAME		"Fusion MPT SAS Host driver"
+#define my_VERSION	MPT_LINUX_VERSION_COMMON
+#define MYNAM		"mptsas"
+
+MODULE_AUTHOR(MODULEAUTHOR);
+MODULE_DESCRIPTION(my_NAME);
+MODULE_LICENSE("GPL");
+
+static int mpt_pq_filter;
+module_param(mpt_pq_filter, int, 0);
+MODULE_PARM_DESC(mpt_pq_filter,
+		"Enable peripheral qualifier filter: enable=1  "
+		"(default=0)");
+
+static int mpt_pt_clear;
+module_param(mpt_pt_clear, int, 0);
+MODULE_PARM_DESC(mpt_pt_clear,
+		"Clear persistency table: enable=1  "
+		"(default=MPTSCSIH_PT_CLEAR=0)");
+
+static int	mptsasDoneCtx = -1;
+static int	mptsasTaskCtx = -1;
+static int	mptsasInternalCtx = -1; /* Used only for internal commands */
+
+
+/*
+ * SAS topology structures
+ *
+ * The MPT Fusion firmware interface spreads information about the
+ * SAS topology over many manufacture pages, thus we need some data
+ * structure to collect it and process it for the SAS transport class.
+ */
+
+struct mptsas_devinfo {
+	u16	handle;		/* unique id to address this device */
+	u8	phy_id;		/* phy number of parent device */
+	u8	port_id;	/* sas physical port this device
+				   is assoc'd with */
+	u8	target;		/* logical target id of this device */
+	u8	bus;		/* logical bus number of this device */
+	u64	sas_address;    /* WWN of this device,
+				   SATA is assigned by HBA,expander */
+	u32	device_info;	/* bitfield detailed info about this device */
+};
+
+struct mptsas_phyinfo {
+	u8	phy_id; 		/* phy index */
+	u8	port_id; 		/* port number this phy is part of */
+	u8	negotiated_link_rate;	/* nego'd link rate for this phy */
+	u8	hw_link_rate; 		/* hardware max/min phys link rate */
+	u8	programmed_link_rate;	/* programmed max/min phy link rate */
+	struct mptsas_devinfo identify;	/* point to phy device info */
+	struct mptsas_devinfo attached;	/* point to attached device info */
+	struct sas_rphy *rphy;
+};
+
+struct mptsas_portinfo {
+	struct list_head list;
+	u16		handle;		/* unique id to address this */
+	u8		num_phys;	/* number of phys */
+	struct mptsas_phyinfo *phy_info;
+};
+
+/*
+ * This is pretty ugly.  We will be able to seriously clean it up
+ * once the DV code in mptscsih goes away and we can properly
+ * implement ->target_alloc.
+ */
+static int
+mptsas_slave_alloc(struct scsi_device *device)
+{
+	struct Scsi_Host	*host = device->host;
+	MPT_SCSI_HOST		*hd = (MPT_SCSI_HOST *)host->hostdata;
+	struct sas_rphy		*rphy;
+	struct mptsas_portinfo	*p;
+	VirtDevice		*vdev;
+	uint			target = device->id;
+	int i;
+
+	if ((vdev = hd->Targets[target]) != NULL)
+		goto out;
+
+	vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
+	if (!vdev) {
+		printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
+				hd->ioc->name, sizeof(VirtDevice));
+		return -ENOMEM;
+	}
+
+	memset(vdev, 0, sizeof(VirtDevice));
+	vdev->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY;
+	vdev->ioc_id = hd->ioc->id;
+
+	rphy = dev_to_rphy(device->sdev_target->dev.parent);
+	list_for_each_entry(p, &hd->ioc->sas_topology, list) {
+		for (i = 0; i < p->num_phys; i++) {
+			if (p->phy_info[i].attached.sas_address ==
+					rphy->identify.sas_address) {
+				vdev->target_id =
+					p->phy_info[i].attached.target;
+				vdev->bus_id = p->phy_info[i].attached.bus;
+				hd->Targets[device->id] = vdev;
+				goto out;
+			}
+		}
+	}
+
+	printk("No matching SAS device found!!\n");
+	kfree(vdev);
+	return -ENODEV;
+
+ out:
+	vdev->num_luns++;
+	device->hostdata = vdev;
+	return 0;
+}
+
+static struct scsi_host_template mptsas_driver_template = {
+	.proc_name			= "mptsas",
+	.proc_info			= mptscsih_proc_info,
+	.name				= "MPT SPI Host",
+	.info				= mptscsih_info,
+	.queuecommand			= mptscsih_qcmd,
+	.slave_alloc			= mptsas_slave_alloc,
+	.slave_configure		= mptscsih_slave_configure,
+	.slave_destroy			= mptscsih_slave_destroy,
+	.change_queue_depth 		= mptscsih_change_queue_depth,
+	.eh_abort_handler		= mptscsih_abort,
+	.eh_device_reset_handler	= mptscsih_dev_reset,
+	.eh_bus_reset_handler		= mptscsih_bus_reset,
+	.eh_host_reset_handler		= mptscsih_host_reset,
+	.bios_param			= mptscsih_bios_param,
+	.can_queue			= MPT_FC_CAN_QUEUE,
+	.this_id			= -1,
+	.sg_tablesize			= MPT_SCSI_SG_DEPTH,
+	.max_sectors			= 8192,
+	.cmd_per_lun			= 7,
+	.use_clustering			= ENABLE_CLUSTERING,
+};
+
+static struct sas_function_template mptsas_transport_functions = {
+};
+
+static struct scsi_transport_template *mptsas_transport_template;
+
+#ifdef SASDEBUG
+static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
+{
+	printk("---- IO UNIT PAGE 0 ------------\n");
+	printk("Handle=0x%X\n",
+		le16_to_cpu(phy_data->AttachedDeviceHandle));
+	printk("Controller Handle=0x%X\n",
+		le16_to_cpu(phy_data->ControllerDevHandle));
+	printk("Port=0x%X\n", phy_data->Port);
+	printk("Port Flags=0x%X\n", phy_data->PortFlags);
+	printk("PHY Flags=0x%X\n", phy_data->PhyFlags);
+	printk("Negotiated Link Rate=0x%X\n", phy_data->NegotiatedLinkRate);
+	printk("Controller PHY Device Info=0x%X\n",
+		le32_to_cpu(phy_data->ControllerPhyDeviceInfo));
+	printk("DiscoveryStatus=0x%X\n",
+		le32_to_cpu(phy_data->DiscoveryStatus));
+	printk("\n");
+}
+
+static void mptsas_print_phy_pg0(SasPhyPage0_t *pg0)
+{
+	__le64 sas_address;
+
+	memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
+
+	printk("---- SAS PHY PAGE 0 ------------\n");
+	printk("Attached Device Handle=0x%X\n",
+			le16_to_cpu(pg0->AttachedDevHandle));
+	printk("SAS Address=0x%llX\n",
+			(unsigned long long)le64_to_cpu(sas_address));
+	printk("Attached PHY Identifier=0x%X\n", pg0->AttachedPhyIdentifier);
+	printk("Attached Device Info=0x%X\n",
+			le32_to_cpu(pg0->AttachedDeviceInfo));
+	printk("Programmed Link Rate=0x%X\n", pg0->ProgrammedLinkRate);
+	printk("Change Count=0x%X\n", pg0->ChangeCount);
+	printk("PHY Info=0x%X\n", le32_to_cpu(pg0->PhyInfo));
+	printk("\n");
+}
+
+static void mptsas_print_device_pg0(SasDevicePage0_t *pg0)
+{
+	__le64 sas_address;
+
+	memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
+
+	printk("---- SAS DEVICE PAGE 0 ---------\n");
+	printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle));
+	printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle));
+	printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot));
+	printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address));
+	printk("Target ID=0x%X\n", pg0->TargetID);
+	printk("Bus=0x%X\n", pg0->Bus);
+	printk("PhyNum=0x%X\n", pg0->PhyNum);
+	printk("AccessStatus=0x%X\n", le16_to_cpu(pg0->AccessStatus));
+	printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo));
+	printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags));
+	printk("Physical Port=0x%X\n", pg0->PhysicalPort);
+	printk("\n");
+}
+
+static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1)
+{
+	printk("---- SAS EXPANDER PAGE 1 ------------\n");
+
+	printk("Physical Port=0x%X\n", pg1->PhysicalPort);
+	printk("PHY Identifier=0x%X\n", pg1->Phy);
+	printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate);
+	printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate);
+	printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate);
+	printk("Owner Device Handle=0x%X\n",
+			le16_to_cpu(pg1->OwnerDevHandle));
+	printk("Attached Device Handle=0x%X\n",
+			le16_to_cpu(pg1->AttachedDevHandle));
+}
+#else
+#define mptsas_print_phy_data(phy_data)		do { } while (0)
+#define mptsas_print_phy_pg0(pg0)		do { } while (0)
+#define mptsas_print_device_pg0(pg0)		do { } while (0)
+#define mptsas_print_expander_pg1(pg1)		do { } while (0)
+#endif
+
+static int
+mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
+{
+	ConfigExtendedPageHeader_t hdr;
+	CONFIGPARMS cfg;
+	SasIOUnitPage0_t *buffer;
+	dma_addr_t dma_handle;
+	int error, i;
+
+	hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
+	hdr.ExtPageLength = 0;
+	hdr.PageNumber = 0;
+	hdr.Reserved1 = 0;
+	hdr.Reserved2 = 0;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+	hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
+
+	cfg.cfghdr.ehdr = &hdr;
+	cfg.physAddr = -1;
+	cfg.pageAddr = 0;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+	cfg.dir = 0;	/* read */
+	cfg.timeout = 10;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out;
+	if (!hdr.ExtPageLength) {
+		error = -ENXIO;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+					    &dma_handle);
+	if (!buffer) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out_free_consistent;
+
+	port_info->num_phys = buffer->NumPhys;
+	port_info->phy_info = kcalloc(port_info->num_phys,
+		sizeof(struct mptsas_phyinfo),GFP_KERNEL);
+	if (!port_info->phy_info) {
+		error = -ENOMEM;
+		goto out_free_consistent;
+	}
+
+	for (i = 0; i < port_info->num_phys; i++) {
+		mptsas_print_phy_data(&buffer->PhyData[i]);
+		port_info->phy_info[i].phy_id = i;
+		port_info->phy_info[i].port_id =
+		    buffer->PhyData[i].Port;
+		port_info->phy_info[i].negotiated_link_rate =
+		    buffer->PhyData[i].NegotiatedLinkRate;
+	}
+
+ out_free_consistent:
+	pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+			    buffer, dma_handle);
+ out:
+	return error;
+}
+
+static int
+mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
+		u32 form, u32 form_specific)
+{
+	ConfigExtendedPageHeader_t hdr;
+	CONFIGPARMS cfg;
+	SasPhyPage0_t *buffer;
+	dma_addr_t dma_handle;
+	int error;
+
+	hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
+	hdr.ExtPageLength = 0;
+	hdr.PageNumber = 0;
+	hdr.Reserved1 = 0;
+	hdr.Reserved2 = 0;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+	hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
+
+	cfg.cfghdr.ehdr = &hdr;
+	cfg.dir = 0;	/* read */
+	cfg.timeout = 10;
+
+	/* Get Phy Pg 0 for each Phy. */
+	cfg.physAddr = -1;
+	cfg.pageAddr = form + form_specific;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out;
+
+	if (!hdr.ExtPageLength) {
+		error = -ENXIO;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+				      &dma_handle);
+	if (!buffer) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out_free_consistent;
+
+	mptsas_print_phy_pg0(buffer);
+
+	phy_info->hw_link_rate = buffer->HwLinkRate;
+	phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
+	phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
+	phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
+
+ out_free_consistent:
+	pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+			    buffer, dma_handle);
+ out:
+	return error;
+}
+
+static int
+mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
+		u32 form, u32 form_specific)
+{
+	ConfigExtendedPageHeader_t hdr;
+	CONFIGPARMS cfg;
+	SasDevicePage0_t *buffer;
+	dma_addr_t dma_handle;
+	__le64 sas_address;
+	int error;
+
+	hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
+	hdr.ExtPageLength = 0;
+	hdr.PageNumber = 0;
+	hdr.Reserved1 = 0;
+	hdr.Reserved2 = 0;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+	hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
+
+	cfg.cfghdr.ehdr = &hdr;
+	cfg.pageAddr = form + form_specific;
+	cfg.physAddr = -1;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+	cfg.dir = 0;	/* read */
+	cfg.timeout = 10;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out;
+	if (!hdr.ExtPageLength) {
+		error = -ENXIO;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+				      &dma_handle);
+	if (!buffer) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out_free_consistent;
+
+	mptsas_print_device_pg0(buffer);
+
+	device_info->handle = le16_to_cpu(buffer->DevHandle);
+	device_info->phy_id = buffer->PhyNum;
+	device_info->port_id = buffer->PhysicalPort;
+	device_info->target = buffer->TargetID;
+	device_info->bus = buffer->Bus;
+	memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
+	device_info->sas_address = le64_to_cpu(sas_address);
+	device_info->device_info =
+	    le32_to_cpu(buffer->DeviceInfo);
+
+ out_free_consistent:
+	pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+			    buffer, dma_handle);
+ out:
+	return error;
+}
+
+static int
+mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
+		u32 form, u32 form_specific)
+{
+	ConfigExtendedPageHeader_t hdr;
+	CONFIGPARMS cfg;
+	SasExpanderPage0_t *buffer;
+	dma_addr_t dma_handle;
+	int error;
+
+	hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
+	hdr.ExtPageLength = 0;
+	hdr.PageNumber = 0;
+	hdr.Reserved1 = 0;
+	hdr.Reserved2 = 0;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+	hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
+
+	cfg.cfghdr.ehdr = &hdr;
+	cfg.physAddr = -1;
+	cfg.pageAddr = form + form_specific;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+	cfg.dir = 0;	/* read */
+	cfg.timeout = 10;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out;
+
+	if (!hdr.ExtPageLength) {
+		error = -ENXIO;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+				      &dma_handle);
+	if (!buffer) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out_free_consistent;
+
+	/* save config data */
+	port_info->num_phys = buffer->NumPhys;
+	port_info->handle = le16_to_cpu(buffer->DevHandle);
+	port_info->phy_info = kcalloc(port_info->num_phys,
+		sizeof(struct mptsas_phyinfo),GFP_KERNEL);
+	if (!port_info->phy_info) {
+		error = -ENOMEM;
+		goto out_free_consistent;
+	}
+
+ out_free_consistent:
+	pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+			    buffer, dma_handle);
+ out:
+	return error;
+}
+
+static int
+mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
+		u32 form, u32 form_specific)
+{
+	ConfigExtendedPageHeader_t hdr;
+	CONFIGPARMS cfg;
+	SasExpanderPage1_t *buffer;
+	dma_addr_t dma_handle;
+	int error;
+
+	hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
+	hdr.ExtPageLength = 0;
+	hdr.PageNumber = 1;
+	hdr.Reserved1 = 0;
+	hdr.Reserved2 = 0;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+	hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
+
+	cfg.cfghdr.ehdr = &hdr;
+	cfg.physAddr = -1;
+	cfg.pageAddr = form + form_specific;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+	cfg.dir = 0;	/* read */
+	cfg.timeout = 10;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out;
+
+	if (!hdr.ExtPageLength) {
+		error = -ENXIO;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+				      &dma_handle);
+	if (!buffer) {
+		error = -ENOMEM;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+	error = mpt_config(ioc, &cfg);
+	if (error)
+		goto out_free_consistent;
+
+
+	mptsas_print_expander_pg1(buffer);
+
+	/* save config data */
+	phy_info->phy_id = buffer->Phy;
+	phy_info->port_id = buffer->PhysicalPort;
+	phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
+	phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
+	phy_info->hw_link_rate = buffer->HwLinkRate;
+	phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
+	phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
+
+
+ out_free_consistent:
+	pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+			    buffer, dma_handle);
+ out:
+	return error;
+}
+
+static void
+mptsas_parse_device_info(struct sas_identify *identify,
+		struct mptsas_devinfo *device_info)
+{
+	u16 protocols;
+
+	identify->sas_address = device_info->sas_address;
+	identify->phy_identifier = device_info->phy_id;
+
+	/*
+	 * Fill in Phy Initiator Port Protocol.
+	 * Bits 6:3, more than one bit can be set, fall through cases.
+	 */
+	protocols = device_info->device_info & 0x78;
+	identify->initiator_port_protocols = 0;
+	if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
+		identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
+	if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
+		identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
+	if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
+		identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
+	if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
+		identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
+
+	/*
+	 * Fill in Phy Target Port Protocol.
+	 * Bits 10:7, more than one bit can be set, fall through cases.
+	 */
+	protocols = device_info->device_info & 0x780;
+	identify->target_port_protocols = 0;
+	if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
+		identify->target_port_protocols |= SAS_PROTOCOL_SSP;
+	if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
+		identify->target_port_protocols |= SAS_PROTOCOL_STP;
+	if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
+		identify->target_port_protocols |= SAS_PROTOCOL_SMP;
+	if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
+		identify->target_port_protocols |= SAS_PROTOCOL_SATA;
+
+	/*
+	 * Fill in Attached device type.
+	 */
+	switch (device_info->device_info &
+			MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
+	case MPI_SAS_DEVICE_INFO_NO_DEVICE:
+		identify->device_type = SAS_PHY_UNUSED;
+		break;
+	case MPI_SAS_DEVICE_INFO_END_DEVICE:
+		identify->device_type = SAS_END_DEVICE;
+		break;
+	case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
+		identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
+		break;
+	case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
+		identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
+		break;
+	}
+}
+
+static int mptsas_probe_one_phy(struct device *dev,
+		struct mptsas_phyinfo *phy_info, int index)
+{
+	struct sas_phy *port;
+	int error;
+
+	port = sas_phy_alloc(dev, index);
+	if (!port)
+		return -ENOMEM;
+
+	port->port_identifier = phy_info->port_id;
+	mptsas_parse_device_info(&port->identify, &phy_info->identify);
+
+	/*
+	 * Set Negotiated link rate.
+	 */
+	switch (phy_info->negotiated_link_rate) {
+	case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
+		port->negotiated_linkrate = SAS_PHY_DISABLED;
+		break;
+	case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
+		port->negotiated_linkrate = SAS_LINK_RATE_FAILED;
+		break;
+	case MPI_SAS_IOUNIT0_RATE_1_5:
+		port->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
+		break;
+	case MPI_SAS_IOUNIT0_RATE_3_0:
+		port->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
+		break;
+	case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
+	case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
+	default:
+		port->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
+		break;
+	}
+
+	/*
+	 * Set Max hardware link rate.
+	 */
+	switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
+	case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
+		port->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
+		break;
+	case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
+		port->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
+		break;
+	default:
+		break;
+	}
+
+	/*
+	 * Set Max programmed link rate.
+	 */
+	switch (phy_info->programmed_link_rate &
+			MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
+	case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
+		port->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+		break;
+	case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
+		port->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
+		break;
+	default:
+		break;
+	}
+
+	/*
+	 * Set Min hardware link rate.
+	 */
+	switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
+	case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
+		port->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
+		break;
+	case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
+		port->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
+		break;
+	default:
+		break;
+	}
+
+	/*
+	 * Set Min programmed link rate.
+	 */
+	switch (phy_info->programmed_link_rate &
+			MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
+	case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
+		port->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+		break;
+	case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
+		port->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
+		break;
+	default:
+		break;
+	}
+
+	error = sas_phy_add(port);
+	if (error) {
+		sas_phy_free(port);
+		return error;
+	}
+
+	if (phy_info->attached.handle) {
+		struct sas_rphy *rphy;
+
+		rphy = sas_rphy_alloc(port);
+		if (!rphy)
+			return 0; /* non-fatal: an rphy can be added later */
+
+		mptsas_parse_device_info(&rphy->identify, &phy_info->attached);
+		error = sas_rphy_add(rphy);
+		if (error) {
+			sas_rphy_free(rphy);
+			return error;
+		}
+
+		phy_info->rphy = rphy;
+	}
+
+	return 0;
+}
+
+static int
+mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index)
+{
+	struct mptsas_portinfo *port_info;
+	u32 handle = 0xFFFF;
+	int error = -ENOMEM, i;
+
+	port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
+	if (!port_info)
+		goto out;
+	memset(port_info, 0, sizeof(*port_info));
+
+	error = mptsas_sas_io_unit_pg0(ioc, port_info);
+	if (error)
+		goto out_free_port_info;
+
+	list_add_tail(&port_info->list, &ioc->sas_topology);
+
+	for (i = 0; i < port_info->num_phys; i++) {
+		mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
+			(MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
+			 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
+
+		mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
+			(MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE <<
+			 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle);
+		handle = port_info->phy_info[i].identify.handle;
+
+		if (port_info->phy_info[i].attached.handle) {
+			mptsas_sas_device_pg0(ioc,
+				&port_info->phy_info[i].attached,
+				(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
+				 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+				port_info->phy_info[i].attached.handle);
+		}
+
+		mptsas_probe_one_phy(&ioc->sh->shost_gendev,
+				     &port_info->phy_info[i], *index);
+		(*index)++;
+	}
+
+	return 0;
+
+ out_free_port_info:
+	kfree(port_info);
+ out:
+	return error;
+}
+
+static int
+mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index)
+{
+	struct mptsas_portinfo *port_info, *p;
+	int error = -ENOMEM, i, j;
+
+	port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
+	if (!port_info)
+		goto out;
+	memset(port_info, 0, sizeof(*port_info));
+
+	error = mptsas_sas_expander_pg0(ioc, port_info,
+		(MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
+		 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle);
+	if (error)
+		goto out_free_port_info;
+
+	*handle = port_info->handle;
+
+	list_add_tail(&port_info->list, &ioc->sas_topology);
+	for (i = 0; i < port_info->num_phys; i++) {
+		struct device *parent;
+
+		mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
+			(MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
+			 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle);
+
+		if (port_info->phy_info[i].identify.handle) {
+			mptsas_sas_device_pg0(ioc,
+				&port_info->phy_info[i].identify,
+				(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
+				 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+				port_info->phy_info[i].identify.handle);
+		}
+
+		if (port_info->phy_info[i].attached.handle) {
+			mptsas_sas_device_pg0(ioc,
+				&port_info->phy_info[i].attached,
+				(MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
+				 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
+				port_info->phy_info[i].attached.handle);
+		}
+
+		/*
+		 * If we find a parent port handle this expander is
+		 * attached to another expander, else it hangs of the
+		 * HBA phys.
+		 */
+		parent = &ioc->sh->shost_gendev;
+		list_for_each_entry(p, &ioc->sas_topology, list) {
+			for (j = 0; j < p->num_phys; j++) {
+				if (port_info->phy_info[i].identify.handle ==
+						p->phy_info[j].attached.handle)
+					parent = &p->phy_info[j].rphy->dev;
+			}
+		}
+
+		mptsas_probe_one_phy(parent, &port_info->phy_info[i], *index);
+		(*index)++;
+	}
+
+	return 0;
+
+ out_free_port_info:
+	kfree(port_info);
+ out:
+	return error;
+}
+
+static void
+mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
+{
+	u32 handle = 0xFFFF;
+	int index = 0;
+
+	mptsas_probe_hba_phys(ioc, &index);
+	while (!mptsas_probe_expander_phys(ioc, &handle, &index))
+		;
+}
+
+static int
+mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	struct Scsi_Host	*sh;
+	MPT_SCSI_HOST		*hd;
+	MPT_ADAPTER 		*ioc;
+	unsigned long		 flags;
+	int			 sz, ii;
+	int			 numSGE = 0;
+	int			 scale;
+	int			 ioc_cap;
+	u8			*mem;
+	int			error=0;
+	int			r;
+
+	r = mpt_attach(pdev,id);
+	if (r)
+		return r;
+
+	ioc = pci_get_drvdata(pdev);
+	ioc->DoneCtx = mptsasDoneCtx;
+	ioc->TaskCtx = mptsasTaskCtx;
+	ioc->InternalCtx = mptsasInternalCtx;
+
+	/*  Added sanity check on readiness of the MPT adapter.
+	 */
+	if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
+		printk(MYIOC_s_WARN_FMT
+		  "Skipping because it's not operational!\n",
+		  ioc->name);
+		return -ENODEV;
+	}
+
+	if (!ioc->active) {
+		printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
+		  ioc->name);
+		return -ENODEV;
+	}
+
+	/*  Sanity check - ensure at least 1 port is INITIATOR capable
+	 */
+	ioc_cap = 0;
+	for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
+		if (ioc->pfacts[ii].ProtocolFlags &
+				MPI_PORTFACTS_PROTOCOL_INITIATOR)
+			ioc_cap++;
+	}
+
+	if (!ioc_cap) {
+		printk(MYIOC_s_WARN_FMT
+			"Skipping ioc=%p because SCSI Initiator mode "
+			"is NOT enabled!\n", ioc->name, ioc);
+		return 0;
+	}
+
+	sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
+	if (!sh) {
+		printk(MYIOC_s_WARN_FMT
+			"Unable to register controller with SCSI subsystem\n",
+			ioc->name);
+                return -1;
+        }
+
+	spin_lock_irqsave(&ioc->FreeQlock, flags);
+
+	/* Attach the SCSI Host to the IOC structure
+	 */
+	ioc->sh = sh;
+
+	sh->io_port = 0;
+	sh->n_io_port = 0;
+	sh->irq = 0;
+
+	/* set 16 byte cdb's */
+	sh->max_cmd_len = 16;
+
+	sh->max_id = ioc->pfacts->MaxDevices + 1;
+
+	sh->transportt = mptsas_transport_template;
+
+	sh->max_lun = MPT_LAST_LUN + 1;
+	sh->max_channel = 0;
+	sh->this_id = ioc->pfacts[0].PortSCSIID;
+
+	/* Required entry.
+	 */
+	sh->unique_id = ioc->id;
+
+	INIT_LIST_HEAD(&ioc->sas_topology);
+
+	/* Verify that we won't exceed the maximum
+	 * number of chain buffers
+	 * We can optimize:  ZZ = req_sz/sizeof(SGE)
+	 * For 32bit SGE's:
+	 *  numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
+	 *               + (req_sz - 64)/sizeof(SGE)
+	 * A slightly different algorithm is required for
+	 * 64bit SGEs.
+	 */
+	scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
+	if (sizeof(dma_addr_t) == sizeof(u64)) {
+		numSGE = (scale - 1) *
+		  (ioc->facts.MaxChainDepth-1) + scale +
+		  (ioc->req_sz - 60) / (sizeof(dma_addr_t) +
+		  sizeof(u32));
+	} else {
+		numSGE = 1 + (scale - 1) *
+		  (ioc->facts.MaxChainDepth-1) + scale +
+		  (ioc->req_sz - 64) / (sizeof(dma_addr_t) +
+		  sizeof(u32));
+	}
+
+	if (numSGE < sh->sg_tablesize) {
+		/* Reset this value */
+		dprintk((MYIOC_s_INFO_FMT
+		  "Resetting sg_tablesize to %d from %d\n",
+		  ioc->name, numSGE, sh->sg_tablesize));
+		sh->sg_tablesize = numSGE;
+	}
+
+	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
+
+	hd = (MPT_SCSI_HOST *) sh->hostdata;
+	hd->ioc = ioc;
+
+	/* SCSI needs scsi_cmnd lookup table!
+	 * (with size equal to req_depth*PtrSz!)
+	 */
+	sz = ioc->req_depth * sizeof(void *);
+	mem = kmalloc(sz, GFP_ATOMIC);
+	if (mem == NULL) {
+		error = -ENOMEM;
+		goto mptsas_probe_failed;
+	}
+
+	memset(mem, 0, sz);
+	hd->ScsiLookup = (struct scsi_cmnd **) mem;
+
+	dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
+		 ioc->name, hd->ScsiLookup, sz));
+
+	/* Allocate memory for the device structures.
+	 * A non-Null pointer at an offset
+	 * indicates a device exists.
+	 * max_id = 1 + maximum id (hosts.h)
+	 */
+	sz = sh->max_id * sizeof(void *);
+	mem = kmalloc(sz, GFP_ATOMIC);
+	if (mem == NULL) {
+		error = -ENOMEM;
+		goto mptsas_probe_failed;
+	}
+
+	memset(mem, 0, sz);
+	hd->Targets = (VirtDevice **) mem;
+
+	dprintk((KERN_INFO
+	  "  Targets @ %p, sz=%d\n", hd->Targets, sz));
+
+	/* Clear the TM flags
+	 */
+	hd->tmPending = 0;
+	hd->tmState = TM_STATE_NONE;
+	hd->resetPending = 0;
+	hd->abortSCpnt = NULL;
+
+	/* Clear the pointer used to store
+	 * single-threaded commands, i.e., those
+	 * issued during a bus scan, dv and
+	 * configuration pages.
+	 */
+	hd->cmdPtr = NULL;
+
+	/* Initialize this SCSI Hosts' timers
+	 * To use, set the timer expires field
+	 * and add_timer
+	 */
+	init_timer(&hd->timer);
+	hd->timer.data = (unsigned long) hd;
+	hd->timer.function = mptscsih_timer_expired;
+
+	hd->mpt_pq_filter = mpt_pq_filter;
+	ioc->sas_data.ptClear = mpt_pt_clear;
+
+	if (ioc->sas_data.ptClear==1) {
+		mptbase_sas_persist_operation(
+		    ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
+	}
+
+	ddvprintk((MYIOC_s_INFO_FMT
+		"mpt_pq_filter %x mpt_pq_filter %x\n",
+		ioc->name,
+		mpt_pq_filter,
+		mpt_pq_filter));
+
+	init_waitqueue_head(&hd->scandv_waitq);
+	hd->scandv_wait_done = 0;
+	hd->last_queue_full = 0;
+
+	error = scsi_add_host(sh, &ioc->pcidev->dev);
+	if (error) {
+		dprintk((KERN_ERR MYNAM
+		  "scsi_add_host failed\n"));
+		goto mptsas_probe_failed;
+	}
+
+	mptsas_scan_sas_topology(ioc);
+
+	return 0;
+
+mptsas_probe_failed:
+
+	mptscsih_remove(pdev);
+	return error;
+}
+
+static void __devexit mptsas_remove(struct pci_dev *pdev)
+{
+	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+	struct mptsas_portinfo *p, *n;
+
+	sas_remove_host(ioc->sh);
+
+	list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
+		list_del(&p->list);
+		kfree(p);
+	}
+
+	mptscsih_remove(pdev);
+}
+
+static struct pci_device_id mptsas_pci_table[] = {
+	{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064E,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066E,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068E,
+		PCI_ANY_ID, PCI_ANY_ID },
+	{0}	/* Terminating entry */
+};
+MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
+
+
+static struct pci_driver mptsas_driver = {
+	.name		= "mptsas",
+	.id_table	= mptsas_pci_table,
+	.probe		= mptsas_probe,
+	.remove		= __devexit_p(mptsas_remove),
+	.shutdown	= mptscsih_shutdown,
+#ifdef CONFIG_PM
+	.suspend	= mptscsih_suspend,
+	.resume		= mptscsih_resume,
+#endif
+};
+
+static int __init
+mptsas_init(void)
+{
+	show_mptmod_ver(my_NAME, my_VERSION);
+
+	mptsas_transport_template =
+	    sas_attach_transport(&mptsas_transport_functions);
+	if (!mptsas_transport_template)
+		return -ENODEV;
+
+	mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER);
+	mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER);
+	mptsasInternalCtx =
+		mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER);
+
+	if (mpt_event_register(mptsasDoneCtx, mptscsih_event_process) == 0) {
+		devtprintk((KERN_INFO MYNAM
+		  ": Registered for IOC event notifications\n"));
+	}
+
+	if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) {
+		dprintk((KERN_INFO MYNAM
+		  ": Registered for IOC reset notifications\n"));
+	}
+
+	return pci_register_driver(&mptsas_driver);
+}
+
+static void __exit
+mptsas_exit(void)
+{
+	pci_unregister_driver(&mptsas_driver);
+	sas_release_transport(mptsas_transport_template);
+
+	mpt_reset_deregister(mptsasDoneCtx);
+	mpt_event_deregister(mptsasDoneCtx);
+
+	mpt_deregister(mptsasInternalCtx);
+	mpt_deregister(mptsasTaskCtx);
+	mpt_deregister(mptsasDoneCtx);
+}
+
+module_init(mptsas_init);
+module_exit(mptsas_exit);

drivers/message/fusion/mptscsih.c

@@ -62,6 +62,7 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
+#include <scsi/scsi_dbg.h>
 
 #include "mptbase.h"
 #include "mptscsih.h"
@@ -93,8 +94,9 @@ typedef struct _BIG_SENSE_BUF {
 
 #define MPT_ICFLAG_BUF_CAP	0x01	/* ReadBuffer Read Capacity format */
 #define MPT_ICFLAG_ECHO		0x02	/* ReadBuffer Echo buffer format */
-#define MPT_ICFLAG_PHYS_DISK	0x04	/* Any SCSI IO but do Phys Disk Format */
-#define MPT_ICFLAG_TAGGED_CMD	0x08	/* Do tagged IO */
+#define MPT_ICFLAG_EBOS		0x04	/* ReadBuffer Echo buffer has EBOS */
+#define MPT_ICFLAG_PHYS_DISK	0x08	/* Any SCSI IO but do Phys Disk Format */
+#define MPT_ICFLAG_TAGGED_CMD	0x10	/* Do tagged IO */
 #define MPT_ICFLAG_DID_RESET	0x20	/* Bus Reset occurred with this command */
 #define MPT_ICFLAG_RESERVED	0x40	/* Reserved has been issued */
 
@@ -159,6 +161,8 @@ int		mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR
 static int	mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
 static int	mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, int portnum);
 
+static struct work_struct   mptscsih_persistTask;
+
 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
 static int	mptscsih_do_raid(MPT_SCSI_HOST *hd, u8 action, INTERNAL_CMD *io);
 static void	mptscsih_domainValidation(void *hd);
@@ -167,6 +171,7 @@ static void	mptscsih_qas_check(MPT_SCSI_HOST *hd, int id);
 static int	mptscsih_doDv(MPT_SCSI_HOST *hd, int channel, int target);
 static void	mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage);
 static void	mptscsih_fillbuf(char *buffer, int size, int index, int width);
+static void	mptscsih_set_dvflags_raid(MPT_SCSI_HOST *hd, int id);
 #endif
 
 void 		mptscsih_remove(struct pci_dev *);
@@ -606,11 +611,24 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
 		sc->resid = sc->request_bufflen - xfer_cnt;
 
+		/*
+		 *  if we get a data underrun indication, yet no data was
+		 *  transferred and the SCSI status indicates that the
+		 *  command was never started, change the data underrun
+		 *  to success
+		 */
+		if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
+		    (scsi_status == MPI_SCSI_STATUS_BUSY ||
+		     scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
+		     scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
+			status = MPI_IOCSTATUS_SUCCESS;
+		}
+
 		dreplyprintk((KERN_NOTICE "Reply ha=%d id=%d lun=%d:\n"
 			"IOCStatus=%04xh SCSIState=%02xh SCSIStatus=%02xh\n"
 			"resid=%d bufflen=%d xfer_cnt=%d\n",
 			ioc->id, pScsiReq->TargetID, pScsiReq->LUN[1],
-			status, scsi_state, scsi_status, sc->resid, 
+			status, scsi_state, scsi_status, sc->resid,
 			sc->request_bufflen, xfer_cnt));
 
 		if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
@@ -619,8 +637,11 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		/*
 		 *  Look for + dump FCP ResponseInfo[]!
 		 */
-		if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID) {
-			printk(KERN_NOTICE "  FCP_ResponseInfo=%08xh\n",
+		if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
+		    pScsiReply->ResponseInfo) {
+			printk(KERN_NOTICE "ha=%d id=%d lun=%d: "
+			"FCP_ResponseInfo=%08xh\n",
+			ioc->id, pScsiReq->TargetID, pScsiReq->LUN[1],
 			le32_to_cpu(pScsiReply->ResponseInfo));
 		}
 
@@ -661,23 +682,13 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 			break;
 
 		case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:	/* 0x0049 */
-			if ( xfer_cnt >= sc->underflow ) {
-				/* Sufficient data transfer occurred */
+			sc->resid = sc->request_bufflen - xfer_cnt;
+			if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
+				sc->result=DID_SOFT_ERROR << 16;
+			else /* Sufficient data transfer occurred */
 				sc->result = (DID_OK << 16) | scsi_status;
-			} else if ( xfer_cnt == 0 ) {
-				/* A CRC Error causes this condition; retry */
-				sc->result = (DRIVER_SENSE << 24) | (DID_OK << 16) |
-					(CHECK_CONDITION << 1);
-				sc->sense_buffer[0] = 0x70;
-				sc->sense_buffer[2] = NO_SENSE;
-				sc->sense_buffer[12] = 0;
-				sc->sense_buffer[13] = 0;
-			} else {
-				sc->result = DID_SOFT_ERROR << 16;
-			}
-			dreplyprintk((KERN_NOTICE
-			    "RESIDUAL_MISMATCH: result=%x on id=%d\n",
-			    sc->result, sc->device->id));
+			dreplyprintk((KERN_NOTICE 
+			    "RESIDUAL_MISMATCH: result=%x on id=%d\n", sc->result, sc->device->id));
 			break;
 
 		case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:		/* 0x0045 */
@@ -692,7 +703,10 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 				;
 			} else {
 				if (xfer_cnt < sc->underflow) {
-					sc->result = DID_SOFT_ERROR << 16;
+					if (scsi_status == SAM_STAT_BUSY)
+						sc->result = SAM_STAT_BUSY;
+					else
+						sc->result = DID_SOFT_ERROR << 16;
 				}
 				if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
 					/* What to do?
@@ -717,8 +731,10 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 
 		case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:	/* 0x0040 */
 		case MPI_IOCSTATUS_SUCCESS:			/* 0x0000 */
-			scsi_status = pScsiReply->SCSIStatus;
-			sc->result = (DID_OK << 16) | scsi_status;
+			if (scsi_status == MPI_SCSI_STATUS_BUSY)
+				sc->result = (DID_BUS_BUSY << 16) | scsi_status;
+			else
+				sc->result = (DID_OK << 16) | scsi_status;
 			if (scsi_state == 0) {
 				;
 			} else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) {
@@ -890,12 +906,13 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, uint target, uint lun)
 	SCSIIORequest_t	*mf = NULL;
 	int		 ii;
 	int		 max = hd->ioc->req_depth;
+	struct scsi_cmnd *sc;
 
 	dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n",
 			target, lun, max));
 
 	for (ii=0; ii < max; ii++) {
-		if (hd->ScsiLookup[ii] != NULL) {
+		if ((sc = hd->ScsiLookup[ii]) != NULL) {
 
 			mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii);
 
@@ -910,9 +927,22 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, uint target, uint lun)
 			hd->ScsiLookup[ii] = NULL;
 			mptscsih_freeChainBuffers(hd->ioc, ii);
 			mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf);
+			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);
+			}
+			sc->host_scribble = NULL;
+			sc->result = DID_NO_CONNECT << 16;
+			sc->scsi_done(sc);
 		}
 	}
-
 	return;
 }
 
@@ -967,8 +997,10 @@ mptscsih_remove(struct pci_dev *pdev)
 	unsigned long	 	flags;
 	int sz1;
 
-	if(!host)
+	if(!host) {
+		mpt_detach(pdev);
 		return;
+	}
 
 	scsi_remove_host(host);
 
@@ -1256,8 +1288,7 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 	MPT_SCSI_HOST		*hd;
 	MPT_FRAME_HDR		*mf;
 	SCSIIORequest_t		*pScsiReq;
-	VirtDevice		*pTarget;
-	int	 target;
+	VirtDevice		*pTarget = SCpnt->device->hostdata;
 	int	 lun;
 	u32	 datalen;
 	u32	 scsictl;
@@ -1267,12 +1298,9 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 	int	 ii;
 
 	hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata;
-	target = SCpnt->device->id;
 	lun = SCpnt->device->lun;
 	SCpnt->scsi_done = done;
 
-	pTarget = hd->Targets[target];
-
 	dmfprintk((MYIOC_s_INFO_FMT "qcmd: SCpnt=%p, done()=%p\n",
 			(hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt, done));
 
@@ -1315,7 +1343,7 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 	/* Default to untagged. Once a target structure has been allocated,
 	 * use the Inquiry data to determine if device supports tagged.
 	 */
-	if (   pTarget
+	if (pTarget
 	    && (pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)
 	    && (SCpnt->device->tagged_supported)) {
 		scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
@@ -1325,8 +1353,8 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 
 	/* Use the above information to set up the message frame
 	 */
-	pScsiReq->TargetID = (u8) target;
-	pScsiReq->Bus = (u8) SCpnt->device->channel;
+	pScsiReq->TargetID = (u8) pTarget->target_id;
+	pScsiReq->Bus = pTarget->bus_id;
 	pScsiReq->ChainOffset = 0;
 	pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
 	pScsiReq->CDBLength = SCpnt->cmd_len;
@@ -1378,7 +1406,7 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 
 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
 	if (hd->ioc->bus_type == SCSI) {
-		int dvStatus = hd->ioc->spi_data.dvStatus[target];
+		int dvStatus = hd->ioc->spi_data.dvStatus[pTarget->target_id];
 		int issueCmd = 1;
 
 		if (dvStatus || hd->ioc->spi_data.forceDv) {
@@ -1426,6 +1454,7 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 	return 0;
 
  fail:
+	hd->ScsiLookup[my_idx] = NULL;
 	mptscsih_freeChainBuffers(hd->ioc, my_idx);
 	mpt_free_msg_frame(hd->ioc, mf);
 	return SCSI_MLQUEUE_HOST_BUSY;
@@ -1713,24 +1742,23 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 	MPT_FRAME_HDR	*mf;
 	u32		 ctx2abort;
 	int		 scpnt_idx;
+	int		 retval;
 
 	/* 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_WARNING MYNAM ": mptscsih_abort: "
+		dfailprintk((KERN_INFO MYNAM ": mptscsih_abort: "
 			   "Can't locate host! (sc=%p)\n",
 			   SCpnt));
 		return FAILED;
 	}
 
 	ioc = hd->ioc;
-	if (hd->resetPending)
+	if (hd->resetPending) {
 		return FAILED;
-
-	printk(KERN_WARNING MYNAM ": %s: >> Attempting task abort! (sc=%p)\n",
-	       hd->ioc->name, SCpnt);
+	}
 
 	if (hd->timeouts < -1)
 		hd->timeouts++;
@@ -1738,16 +1766,20 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 	/* Find this command
 	 */
 	if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) {
-		/* Cmd not found in ScsiLookup. 
+		/* Cmd not found in ScsiLookup.
 		 * Do OS callback.
 		 */
 		SCpnt->result = DID_RESET << 16;
-		dtmprintk((KERN_WARNING MYNAM ": %s: mptscsih_abort: "
+		dtmprintk((KERN_INFO MYNAM ": %s: mptscsih_abort: "
 			   "Command not in the active list! (sc=%p)\n",
 			   hd->ioc->name, SCpnt));
 		return SUCCESS;
 	}
 
+	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)
 	 *
@@ -1760,38 +1792,22 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 
 	hd->abortSCpnt = SCpnt;
 
-	if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
+	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
 		SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun,
-		ctx2abort, 2 /* 2 second timeout */)
-		< 0) {
+		ctx2abort, 2 /* 2 second timeout */);
 
-		/* The TM request failed and the subsequent FW-reload failed!
-		 * Fatal error case.
-		 */
-		printk(MYIOC_s_WARN_FMT "Error issuing abort task! (sc=%p)\n",
-		       hd->ioc->name, SCpnt);
+	printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
+		hd->ioc->name,
+		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
 
-		/* We must clear our pending flag before clearing our state.
-		 */
+	if (retval == 0)
+		return SUCCESS;
+
+	if(retval != FAILED ) {
 		hd->tmPending = 0;
 		hd->tmState = TM_STATE_NONE;
-
-		/* Unmap the DMA buffers, if any. */
-		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);
-		}
-		hd->ScsiLookup[scpnt_idx] = NULL;
-		SCpnt->result = DID_RESET << 16;
-		SCpnt->scsi_done(SCpnt);		/* Issue the command callback */
-		mptscsih_freeChainBuffers(ioc, scpnt_idx);
-		mpt_free_msg_frame(ioc, mf);
-		return FAILED;
 	}
-	return SUCCESS;
+	return FAILED;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -1807,11 +1823,12 @@ int
 mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
 {
 	MPT_SCSI_HOST	*hd;
+	int		 retval;
 
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
 	if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){
-		dtmprintk((KERN_WARNING MYNAM ": mptscsih_dev_reset: "
+		dtmprintk((KERN_INFO MYNAM ": mptscsih_dev_reset: "
 			   "Can't locate host! (sc=%p)\n",
 			   SCpnt));
 		return FAILED;
@@ -1820,24 +1837,26 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
 	if (hd->resetPending)
 		return FAILED;
 
-	printk(KERN_WARNING MYNAM ": %s: >> Attempting target reset! (sc=%p)\n",
+	printk(KERN_WARNING MYNAM ": %s: attempting target reset! (sc=%p)\n",
 	       hd->ioc->name, SCpnt);
+	scsi_print_command(SCpnt);
 
-	if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
+	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
 		SCpnt->device->channel, SCpnt->device->id,
-		0, 0, 5 /* 5 second timeout */)
-		< 0){
-		/* The TM request failed and the subsequent FW-reload failed!
-		 * Fatal error case.
-		 */
-		printk(MYIOC_s_WARN_FMT "Error processing TaskMgmt request (sc=%p)\n",
-		 		hd->ioc->name, SCpnt);
+		0, 0, 5 /* 5 second timeout */);
+
+	printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n",
+		hd->ioc->name,
+		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+	if (retval == 0)
+		return SUCCESS;
+
+	if(retval != FAILED ) {
 		hd->tmPending = 0;
 		hd->tmState = TM_STATE_NONE;
-		return FAILED;
 	}
-
-	return SUCCESS;
+	return FAILED;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -1853,41 +1872,39 @@ int
 mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
 {
 	MPT_SCSI_HOST	*hd;
-	spinlock_t	*host_lock = SCpnt->device->host->host_lock;
+	int		 retval;
 
 	/* If we can't locate our host adapter structure, return FAILED status.
 	 */
 	if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){
-		dtmprintk((KERN_WARNING MYNAM ": mptscsih_bus_reset: "
+		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",
+	printk(KERN_WARNING MYNAM ": %s: attempting bus reset! (sc=%p)\n",
 	       hd->ioc->name, SCpnt);
+	scsi_print_command(SCpnt);
 
 	if (hd->timeouts < -1)
 		hd->timeouts++;
 
-	/* We are now ready to execute the task management request. */
-	if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
-		SCpnt->device->channel, 0, 0, 0, 5 /* 5 second timeout */)
-	    < 0){
+	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+		SCpnt->device->channel, 0, 0, 0, 5 /* 5 second timeout */);
 
-		/* The TM request failed and the subsequent FW-reload failed!
-		 * Fatal error case.
-		 */
-		printk(MYIOC_s_WARN_FMT
-		       "Error processing TaskMgmt request (sc=%p)\n",
-		       hd->ioc->name, SCpnt);
+	printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n",
+		hd->ioc->name,
+		((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
+
+	if (retval == 0)
+		return SUCCESS;
+
+	if(retval != FAILED ) {
 		hd->tmPending = 0;
 		hd->tmState = TM_STATE_NONE;
-		spin_lock_irq(host_lock);
-		return FAILED;
 	}
-
-	return SUCCESS;
+	return FAILED;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -2169,7 +2186,7 @@ mptscsih_slave_alloc(struct scsi_device *device)
 	vdev->raidVolume = 0;
 	hd->Targets[device->id] = vdev;
 	if (hd->ioc->bus_type == SCSI) {
-		if (hd->ioc->spi_data.isRaid & (1 << device->id)) {
+		if (hd->ioc->raid_data.isRaid & (1 << device->id)) {
 			vdev->raidVolume = 1;
 			ddvtprintk((KERN_INFO
 			    "RAID Volume @ id %d\n", device->id));
@@ -2180,22 +2197,7 @@ mptscsih_slave_alloc(struct scsi_device *device)
 
  out:
 	vdev->num_luns++;
-	return 0;
-}
-
-static int 
-mptscsih_is_raid_volume(MPT_SCSI_HOST *hd, uint id)
-{
-	int i;
-
-	if (!hd->ioc->spi_data.isRaid || !hd->ioc->spi_data.pIocPg3)
-		return 0;
-
-	for (i = 0; i < hd->ioc->spi_data.pIocPg3->NumPhysDisks; i++) {
-		if (id == hd->ioc->spi_data.pIocPg3->PhysDisk[i].PhysDiskID)
-			return 1;
-	}
-
+	device->hostdata = vdev;
 	return 0;
 }
 
@@ -2226,7 +2228,7 @@ mptscsih_slave_destroy(struct scsi_device *device)
 	hd->Targets[target] = NULL;
 
 	if (hd->ioc->bus_type == SCSI) {
-		if (mptscsih_is_raid_volume(hd, target)) {
+		if (mptscsih_is_phys_disk(hd->ioc, target)) {
 			hd->ioc->spi_data.forceDv |= MPT_SCSICFG_RELOAD_IOC_PG3;
 		} else {
 			hd->ioc->spi_data.dvStatus[target] =
@@ -2439,6 +2441,7 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 {
 	MPT_SCSI_HOST	*hd;
 	unsigned long	 flags;
+	int 		ii;
 
 	dtmprintk((KERN_WARNING MYNAM
 			": IOC %s_reset routed to SCSI host driver!\n",
@@ -2496,11 +2499,8 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 
 		/* ScsiLookup initialization
 		 */
-		{
-			int ii;
-			for (ii=0; ii < hd->ioc->req_depth; ii++)
-				hd->ScsiLookup[ii] = NULL;
-		}
+		for (ii=0; ii < hd->ioc->req_depth; ii++)
+			hd->ScsiLookup[ii] = NULL;
 
 		/* 2. Chain Buffer initialization
 		 */
@@ -2548,6 +2548,16 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 	return 1;		/* currently means nothing really */
 }
 
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* work queue thread to clear the persitency table */
+static void
+mptscsih_sas_persist_clear_table(void * arg)
+{
+	MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
+
+	mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT);
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 int
 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
@@ -2558,18 +2568,18 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 	devtprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
 			ioc->name, event));
 
+	if (ioc->sh == NULL ||
+		((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL))
+		return 1;
+
 	switch (event) {
 	case MPI_EVENT_UNIT_ATTENTION:			/* 03 */
 		/* FIXME! */
 		break;
 	case MPI_EVENT_IOC_BUS_RESET:			/* 04 */
 	case MPI_EVENT_EXT_BUS_RESET:			/* 05 */
-		hd = NULL;
-		if (ioc->sh) {
-			hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
-			if (hd && (ioc->bus_type == SCSI) && (hd->soft_resets < -1))
-				hd->soft_resets++;
-		}
+		if (hd && (ioc->bus_type == SCSI) && (hd->soft_resets < -1))
+			hd->soft_resets++;
 		break;
 	case MPI_EVENT_LOGOUT:				/* 09 */
 		/* FIXME! */
@@ -2588,69 +2598,24 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 		break;
 
 	case MPI_EVENT_INTEGRATED_RAID:			/* 0B */
+	{
+		pMpiEventDataRaid_t pRaidEventData =
+		    (pMpiEventDataRaid_t) pEvReply->Data;
 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
-		/* negoNvram set to 0 if DV enabled and to USE_NVRAM if
-		 * if DV disabled. Need to check for target mode.
-		 */
-		hd = NULL;
-		if (ioc->sh)
-			hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
-
-		if (hd && (ioc->bus_type == SCSI) && (hd->negoNvram == 0)) {
-			ScsiCfgData	*pSpi;
-			Ioc3PhysDisk_t	*pPDisk;
-			int		 numPDisk;
-			u8		 reason;
-			u8		 physDiskNum;
-
-			reason = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16;
-			if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
-				/* New or replaced disk.
-				 * Set DV flag and schedule DV.
-				 */
-				pSpi = &ioc->spi_data;
-				physDiskNum = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24;
-				ddvtprintk(("DV requested for phys disk id %d\n", physDiskNum));
-				if (pSpi->pIocPg3) {
-					pPDisk =  pSpi->pIocPg3->PhysDisk;
-					numPDisk =pSpi->pIocPg3->NumPhysDisks;
-
-					while (numPDisk) {
-						if (physDiskNum == pPDisk->PhysDiskNum) {
-							pSpi->dvStatus[pPDisk->PhysDiskID] = (MPT_SCSICFG_NEED_DV | MPT_SCSICFG_DV_NOT_DONE);
-							pSpi->forceDv = MPT_SCSICFG_NEED_DV;
-							ddvtprintk(("NEED_DV set for phys disk id %d\n", pPDisk->PhysDiskID));
-							break;
-						}
-						pPDisk++;
-						numPDisk--;
-					}
-
-					if (numPDisk == 0) {
-						/* The physical disk that needs DV was not found
-						 * in the stored IOC Page 3. The driver must reload
-						 * this page. DV routine will set the NEED_DV flag for
-						 * all phys disks that have DV_NOT_DONE set.
-						 */
-						pSpi->forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
-						ddvtprintk(("phys disk %d not found. Setting reload IOC Pg3 Flag\n", physDiskNum));
-					}
-				}
-			}
-		}
+		/* Domain Validation Needed */
+		if (ioc->bus_type == SCSI &&
+		    pRaidEventData->ReasonCode ==
+		    MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED)
+			mptscsih_set_dvflags_raid(hd, pRaidEventData->PhysDiskNum);
 #endif
+		break;
+	}
 
-#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
-		printk("Raid Event RF: ");
-		{
-			u32 *m = (u32 *)pEvReply;
-			int ii;
-			int n = (int)pEvReply->MsgLength;
-			for (ii=6; ii < n; ii++)
-				printk(" %08x", le32_to_cpu(m[ii]));
-			printk("\n");
-		}
-#endif
+	/* Persistent table is full. */
+	case MPI_EVENT_PERSISTENT_TABLE_FULL:
+		INIT_WORK(&mptscsih_persistTask,
+		    mptscsih_sas_persist_clear_table,(void *)ioc);
+		schedule_work(&mptscsih_persistTask);
 		break;
 
 	case MPI_EVENT_NONE:				/* 00 */
@@ -2687,7 +2652,7 @@ mptscsih_initTarget(MPT_SCSI_HOST *hd, int bus_id, int target_id, u8 lun, char *
 {
 	int		indexed_lun, lun_index;
 	VirtDevice	*vdev;
-	ScsiCfgData	*pSpi;
+	SpiCfgData	*pSpi;
 	char		data_56;
 
 	dinitprintk((MYIOC_s_INFO_FMT "initTarget bus=%d id=%d lun=%d hd=%p\n",
@@ -2794,7 +2759,7 @@ mptscsih_initTarget(MPT_SCSI_HOST *hd, int bus_id, int target_id, u8 lun, char *
 static void
 mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56)
 {
-	ScsiCfgData *pspi_data = &hd->ioc->spi_data;
+	SpiCfgData *pspi_data = &hd->ioc->spi_data;
 	int  id = (int) target->target_id;
 	int  nvram;
 	VirtDevice	*vdev;
@@ -2973,11 +2938,13 @@ mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56)
 static void
 mptscsih_set_dvflags(MPT_SCSI_HOST *hd, SCSIIORequest_t *pReq)
 {
+	MPT_ADAPTER	*ioc = hd->ioc;
 	u8 cmd;
-	ScsiCfgData *pSpi;
+	SpiCfgData	*pSpi;
 
-	ddvtprintk((" set_dvflags: id=%d lun=%d negoNvram=%x cmd=%x\n", 
-		pReq->TargetID, pReq->LUN[1], hd->negoNvram, pReq->CDB[0]));
+	ddvtprintk((MYIOC_s_NOTE_FMT
+		" set_dvflags: id=%d lun=%d negoNvram=%x cmd=%x\n",
+		hd->ioc->name, pReq->TargetID, pReq->LUN[1], hd->negoNvram, pReq->CDB[0]));
 
 	if ((pReq->LUN[1] != 0) || (hd->negoNvram != 0))
 		return;
@@ -2985,12 +2952,12 @@ mptscsih_set_dvflags(MPT_SCSI_HOST *hd, SCSIIORequest_t *pReq)
 	cmd = pReq->CDB[0];
 
 	if ((cmd == READ_CAPACITY) || (cmd == MODE_SENSE)) {
-		pSpi = &hd->ioc->spi_data;
-		if ((pSpi->isRaid & (1 << pReq->TargetID)) && pSpi->pIocPg3) {
+		pSpi = &ioc->spi_data;
+		if ((ioc->raid_data.isRaid & (1 << pReq->TargetID)) && ioc->raid_data.pIocPg3) {
 			/* Set NEED_DV for all hidden disks
 			 */
-			Ioc3PhysDisk_t *pPDisk =  pSpi->pIocPg3->PhysDisk;
-			int		numPDisk = pSpi->pIocPg3->NumPhysDisks;
+			Ioc3PhysDisk_t *pPDisk =  ioc->raid_data.pIocPg3->PhysDisk;
+			int		numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
 
 			while (numPDisk) {
 				pSpi->dvStatus[pPDisk->PhysDiskID] |= MPT_SCSICFG_NEED_DV;
@@ -3004,6 +2971,50 @@ mptscsih_set_dvflags(MPT_SCSI_HOST *hd, SCSIIORequest_t *pReq)
 	}
 }
 
+/* mptscsih_raid_set_dv_flags()
+ *
+ * New or replaced disk. Set DV flag and schedule DV.
+ */
+static void
+mptscsih_set_dvflags_raid(MPT_SCSI_HOST *hd, int id)
+{
+	MPT_ADAPTER	*ioc = hd->ioc;
+	SpiCfgData	*pSpi = &ioc->spi_data;
+	Ioc3PhysDisk_t	*pPDisk;
+	int		 numPDisk;
+
+	if (hd->negoNvram != 0)
+		return;
+
+	ddvtprintk(("DV requested for phys disk id %d\n", id));
+	if (ioc->raid_data.pIocPg3) {
+		pPDisk =  ioc->raid_data.pIocPg3->PhysDisk;
+		numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
+		while (numPDisk) {
+			if (id == pPDisk->PhysDiskNum) {
+				pSpi->dvStatus[pPDisk->PhysDiskID] =
+				    (MPT_SCSICFG_NEED_DV | MPT_SCSICFG_DV_NOT_DONE);
+				pSpi->forceDv = MPT_SCSICFG_NEED_DV;
+				ddvtprintk(("NEED_DV set for phys disk id %d\n",
+				    pPDisk->PhysDiskID));
+				break;
+			}
+			pPDisk++;
+			numPDisk--;
+		}
+
+		if (numPDisk == 0) {
+			/* The physical disk that needs DV was not found
+			 * in the stored IOC Page 3. The driver must reload
+			 * this page. DV routine will set the NEED_DV flag for
+			 * all phys disks that have DV_NOT_DONE set.
+			 */
+			pSpi->forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3;
+			ddvtprintk(("phys disk %d not found. Setting reload IOC Pg3 Flag\n",id));
+		}
+	}
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  * If no Target, bus reset on 1st I/O. Set the flag to
@@ -3091,7 +3102,7 @@ mptscsih_writeSDP1(MPT_SCSI_HOST *hd, int portnum, int target_id, int flags)
 	MPT_ADAPTER		*ioc = hd->ioc;
 	Config_t		*pReq;
 	SCSIDevicePage1_t	*pData;
-	VirtDevice		*pTarget;
+	VirtDevice		*pTarget=NULL;
 	MPT_FRAME_HDR		*mf;
 	dma_addr_t		 dataDma;
 	u16			 req_idx;
@@ -3190,7 +3201,7 @@ mptscsih_writeSDP1(MPT_SCSI_HOST *hd, int portnum, int target_id, int flags)
 #endif
 
 		if (flags & MPT_SCSICFG_BLK_NEGO)
-			negoFlags = MPT_TARGET_NO_NEGO_WIDE | MPT_TARGET_NO_NEGO_SYNC;
+			negoFlags |= MPT_TARGET_NO_NEGO_WIDE | MPT_TARGET_NO_NEGO_SYNC;
 
 		mptscsih_setDevicePage1Flags(width, factor, offset,
 					&requested, &configuration, negoFlags);
@@ -4011,7 +4022,7 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, int portnum)
 
 		/* If target Ptr NULL or if this target is NOT a disk, skip.
 		 */
-		if ((pTarget) && (pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)){
+		if ((pTarget) && (pTarget->inq_data[0] == TYPE_DISK)){
 			for (lun=0; lun <= MPT_LAST_LUN; lun++) {
 				/* If LUN present, issue the command
 				 */
@@ -4106,9 +4117,9 @@ mptscsih_domainValidation(void *arg)
 
 			if ((ioc->spi_data.forceDv & MPT_SCSICFG_RELOAD_IOC_PG3) != 0) {
 				mpt_read_ioc_pg_3(ioc);
-				if (ioc->spi_data.pIocPg3) {
-					Ioc3PhysDisk_t *pPDisk = ioc->spi_data.pIocPg3->PhysDisk;
-					int		numPDisk = ioc->spi_data.pIocPg3->NumPhysDisks;
+				if (ioc->raid_data.pIocPg3) {
+					Ioc3PhysDisk_t *pPDisk = ioc->raid_data.pIocPg3->PhysDisk;
+					int		numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
 
 					while (numPDisk) {
 						if (ioc->spi_data.dvStatus[pPDisk->PhysDiskID] & MPT_SCSICFG_DV_NOT_DONE)
@@ -4147,7 +4158,7 @@ mptscsih_domainValidation(void *arg)
 					isPhysDisk = mptscsih_is_phys_disk(ioc, id);
 					if (isPhysDisk) {
 						for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
-							if (hd->ioc->spi_data.isRaid & (1 << ii)) {
+							if (hd->ioc->raid_data.isRaid & (1 << ii)) {
 								hd->ioc->spi_data.dvStatus[ii] |= MPT_SCSICFG_DV_PENDING;
 							}
 						}
@@ -4166,7 +4177,7 @@ mptscsih_domainValidation(void *arg)
 
 					if (isPhysDisk) {
 						for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
-							if (hd->ioc->spi_data.isRaid & (1 << ii)) {
+							if (hd->ioc->raid_data.isRaid & (1 << ii)) {
 								hd->ioc->spi_data.dvStatus[ii] &= ~MPT_SCSICFG_DV_PENDING;
 							}
 						}
@@ -4188,21 +4199,21 @@ mptscsih_domainValidation(void *arg)
 
 /* Search IOC page 3 to determine if this is hidden physical disk
  */
-static int 
+/* Search IOC page 3 to determine if this is hidden physical disk
+ */
+static int
 mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id)
 {
-	if (ioc->spi_data.pIocPg3) {
-		Ioc3PhysDisk_t *pPDisk =  ioc->spi_data.pIocPg3->PhysDisk;
-		int		numPDisk = ioc->spi_data.pIocPg3->NumPhysDisks;
+	int i;
 
-		while (numPDisk) {
-			if (pPDisk->PhysDiskID == id) {
-				return 1;
-			}
-			pPDisk++;
-			numPDisk--;
-		}
+	if (!ioc->raid_data.isRaid || !ioc->raid_data.pIocPg3)
+		return 0;
+
+	for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+		if (id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID)
+			return 1;
 	}
+
 	return 0;
 }
 
@@ -4408,7 +4419,7 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
 	/* Skip this ID? Set cfg.cfghdr.hdr to force config page write
 	 */
 	{
-		ScsiCfgData *pspi_data = &hd->ioc->spi_data;
+		SpiCfgData *pspi_data = &hd->ioc->spi_data;
 		if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
 			/* Set the factor from nvram */
 			nfactor = (pspi_data->nvram[id] & MPT_NVRAM_SYNC_MASK) >> 8;
@@ -4438,11 +4449,11 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
 	}
 
 	/* Finish iocmd inititialization - hidden or visible disk? */
-	if (ioc->spi_data.pIocPg3) {
+	if (ioc->raid_data.pIocPg3) {
 		/* Search IOC page 3 for matching id
 		 */
-		Ioc3PhysDisk_t *pPDisk =  ioc->spi_data.pIocPg3->PhysDisk;
-		int		numPDisk = ioc->spi_data.pIocPg3->NumPhysDisks;
+		Ioc3PhysDisk_t *pPDisk =  ioc->raid_data.pIocPg3->PhysDisk;
+		int		numPDisk = ioc->raid_data.pIocPg3->NumPhysDisks;
 
 		while (numPDisk) {
 			if (pPDisk->PhysDiskID == id) {
@@ -4466,7 +4477,7 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
 	/* RAID Volume ID's may double for a physical device. If RAID but
 	 * not a physical ID as well, skip DV.
 	 */
-	if ((hd->ioc->spi_data.isRaid & (1 << id)) && !(iocmd.flags & MPT_ICFLAG_PHYS_DISK))
+	if ((hd->ioc->raid_data.isRaid & (1 << id)) && !(iocmd.flags & MPT_ICFLAG_PHYS_DISK))
 		goto target_done;
 
 
@@ -4815,6 +4826,8 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
 					notDone = 0;
 					if (iocmd.flags & MPT_ICFLAG_ECHO) {
 						bufsize =  ((pbuf1[2] & 0x1F) <<8) | pbuf1[3];
+						if (pbuf1[0] & 0x01)
+							iocmd.flags |= MPT_ICFLAG_EBOS;
 					} else {
 						bufsize =  pbuf1[1]<<16 | pbuf1[2]<<8 | pbuf1[3];
 					}
@@ -4911,6 +4924,9 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
 		}
 		iocmd.flags &= ~MPT_ICFLAG_DID_RESET;
 
+		if (iocmd.flags & MPT_ICFLAG_EBOS)
+			goto skip_Reserve;
+
 		repeat = 5;
 		while (repeat && (!(iocmd.flags & MPT_ICFLAG_RESERVED))) {
 			iocmd.cmd = RESERVE;
@@ -4954,6 +4970,7 @@ mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id)
 			}
 		}
 
+skip_Reserve:
 		mptscsih_fillbuf(pbuf1, sz, patt, 1);
 		iocmd.cmd = WRITE_BUFFER;
 		iocmd.data_dma = buf1_dma;
@@ -5198,11 +5215,12 @@ mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage)
 		 * If not an LVD bus, the adapter minSyncFactor has been
 		 * already throttled back.
 		 */
+		negoFlags = hd->ioc->spi_data.noQas;
 		if ((hd->Targets)&&((pTarget = hd->Targets[(int)id]) != NULL) && !pTarget->raidVolume) {
 			width = pTarget->maxWidth;
 			offset = pTarget->maxOffset;
 			factor = pTarget->minSyncFactor;
-			negoFlags = pTarget->negoFlags;
+			negoFlags |= pTarget->negoFlags;
 		} else {
 			if (hd->ioc->spi_data.nvram && (hd->ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) {
 				data = hd->ioc->spi_data.nvram[id];
@@ -5223,7 +5241,6 @@ mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage)
 			}
 
 			/* Set the negotiation flags */
-			negoFlags = hd->ioc->spi_data.noQas;
 			if (!width)
 				negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
 

drivers/message/fusion/mptscsih.h

@@ -1,5 +1,5 @@
 /*
- *  linux/drivers/message/fusion/mptscsi.h
+ *  linux/drivers/message/fusion/mptscsih.h
  *      High performance SCSI / Fibre Channel SCSI Host device driver.
  *      For use with PCI chip/adapter(s):
  *          LSIFC9xx/LSI409xx Fibre Channel
@@ -53,8 +53,8 @@
  *	SCSI Public stuff...
  */
 
-#define MPT_SCSI_CMD_PER_DEV_HIGH	31
-#define MPT_SCSI_CMD_PER_DEV_LOW	7
+#define MPT_SCSI_CMD_PER_DEV_HIGH	64
+#define MPT_SCSI_CMD_PER_DEV_LOW	32
 
 #define MPT_SCSI_CMD_PER_LUN		7
 
@@ -77,6 +77,7 @@
 #define MPTSCSIH_MAX_WIDTH              1
 #define MPTSCSIH_MIN_SYNC               0x08
 #define MPTSCSIH_SAF_TE                 0
+#define MPTSCSIH_PT_CLEAR               0
 
 
 #endif

drivers/message/fusion/mptspi.c

@@ -199,7 +199,7 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		printk(MYIOC_s_WARN_FMT
 			"Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
 			ioc->name, ioc);
-		return -ENODEV;
+		return 0;
 	}
 
 	sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST));

drivers/s390/scsi/Makefile

@@ -3,7 +3,7 @@
 #
 
 zfcp-objs := zfcp_aux.o zfcp_ccw.o zfcp_scsi.o zfcp_erp.o zfcp_qdio.o \
-	     zfcp_fsf.o zfcp_sysfs_adapter.o zfcp_sysfs_port.o \
+	     zfcp_fsf.o zfcp_dbf.o zfcp_sysfs_adapter.o zfcp_sysfs_port.o \
 	     zfcp_sysfs_unit.o zfcp_sysfs_driver.o
 
 obj-$(CONFIG_ZFCP) += zfcp.o

drivers/s390/scsi/zfcp_aux.c

@@ -122,95 +122,6 @@ _zfcp_hex_dump(char *addr, int count)
 
 #define ZFCP_LOG_AREA			ZFCP_LOG_AREA_OTHER
 
-static inline int
-zfcp_fsf_req_is_scsi_cmnd(struct zfcp_fsf_req *fsf_req)
-{
-	return ((fsf_req->fsf_command == FSF_QTCB_FCP_CMND) &&
-		!(fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT));
-}
-
-void
-zfcp_cmd_dbf_event_fsf(const char *text, struct zfcp_fsf_req *fsf_req,
-		       void *add_data, int add_length)
-{
-	struct zfcp_adapter *adapter = fsf_req->adapter;
-	struct scsi_cmnd *scsi_cmnd;
-	int level = 3;
-	int i;
-	unsigned long flags;
-
-	spin_lock_irqsave(&adapter->dbf_lock, flags);
-	if (zfcp_fsf_req_is_scsi_cmnd(fsf_req)) {
-		scsi_cmnd = fsf_req->data.send_fcp_command_task.scsi_cmnd;
-		debug_text_event(adapter->cmd_dbf, level, "fsferror");
-		debug_text_event(adapter->cmd_dbf, level, text);
-		debug_event(adapter->cmd_dbf, level, &fsf_req,
-			    sizeof (unsigned long));
-		debug_event(adapter->cmd_dbf, level, &fsf_req->seq_no,
-			    sizeof (u32));
-		debug_event(adapter->cmd_dbf, level, &scsi_cmnd,
-			    sizeof (unsigned long));
-		debug_event(adapter->cmd_dbf, level, &scsi_cmnd->cmnd,
-			    min(ZFCP_CMD_DBF_LENGTH, (int)scsi_cmnd->cmd_len));
-		for (i = 0; i < add_length; i += ZFCP_CMD_DBF_LENGTH)
-			debug_event(adapter->cmd_dbf,
-				    level,
-				    (char *) add_data + i,
-				    min(ZFCP_CMD_DBF_LENGTH, add_length - i));
-	}
-	spin_unlock_irqrestore(&adapter->dbf_lock, flags);
-}
-
-/* XXX additionally log unit if available */
-/* ---> introduce new parameter for unit, see 2.4 code */
-void
-zfcp_cmd_dbf_event_scsi(const char *text, struct scsi_cmnd *scsi_cmnd)
-{
-	struct zfcp_adapter *adapter;
-	union zfcp_req_data *req_data;
-	struct zfcp_fsf_req *fsf_req;
-	int level = ((host_byte(scsi_cmnd->result) != 0) ? 1 : 5);
-	unsigned long flags;
-
-	adapter = (struct zfcp_adapter *) scsi_cmnd->device->host->hostdata[0];
-	req_data = (union zfcp_req_data *) scsi_cmnd->host_scribble;
-	fsf_req = (req_data ? req_data->send_fcp_command_task.fsf_req : NULL);
-	spin_lock_irqsave(&adapter->dbf_lock, flags);
-	debug_text_event(adapter->cmd_dbf, level, "hostbyte");
-	debug_text_event(adapter->cmd_dbf, level, text);
-	debug_event(adapter->cmd_dbf, level, &scsi_cmnd->result, sizeof (u32));
-	debug_event(adapter->cmd_dbf, level, &scsi_cmnd,
-		    sizeof (unsigned long));
-	debug_event(adapter->cmd_dbf, level, &scsi_cmnd->cmnd,
-		    min(ZFCP_CMD_DBF_LENGTH, (int)scsi_cmnd->cmd_len));
-	if (likely(fsf_req)) {
-		debug_event(adapter->cmd_dbf, level, &fsf_req,
-			    sizeof (unsigned long));
-		debug_event(adapter->cmd_dbf, level, &fsf_req->seq_no,
-			    sizeof (u32));
-	} else {
-		debug_text_event(adapter->cmd_dbf, level, "");
-		debug_text_event(adapter->cmd_dbf, level, "");
-	}
-	spin_unlock_irqrestore(&adapter->dbf_lock, flags);
-}
-
-void
-zfcp_in_els_dbf_event(struct zfcp_adapter *adapter, const char *text,
-		      struct fsf_status_read_buffer *status_buffer, int length)
-{
-	int level = 1;
-	int i;
-
-	debug_text_event(adapter->in_els_dbf, level, text);
-	debug_event(adapter->in_els_dbf, level, &status_buffer->d_id, 8);
-	for (i = 0; i < length; i += ZFCP_IN_ELS_DBF_LENGTH)
-		debug_event(adapter->in_els_dbf,
-			    level,
-			    (char *) status_buffer->payload + i,
-			    min(ZFCP_IN_ELS_DBF_LENGTH, length - i));
-}
-
 /**
  * zfcp_device_setup - setup function
  * @str: pointer to parameter string
@@ -1017,81 +928,6 @@ zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)
 		mempool_destroy(adapter->pool.data_gid_pn);
 }
 
-/**
- * zfcp_adapter_debug_register - registers debug feature for an adapter
- * @adapter: pointer to adapter for which debug features should be registered
- * return: -ENOMEM on error, 0 otherwise
- */
-int
-zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
-{
-	char dbf_name[20];
-
-	/* debug feature area which records SCSI command failures (hostbyte) */
-	spin_lock_init(&adapter->dbf_lock);
-
-	sprintf(dbf_name, ZFCP_CMD_DBF_NAME "%s",
-		zfcp_get_busid_by_adapter(adapter));
-	adapter->cmd_dbf = debug_register(dbf_name, ZFCP_CMD_DBF_INDEX,
-					  ZFCP_CMD_DBF_AREAS,
-					  ZFCP_CMD_DBF_LENGTH);
-	debug_register_view(adapter->cmd_dbf, &debug_hex_ascii_view);
-	debug_set_level(adapter->cmd_dbf, ZFCP_CMD_DBF_LEVEL);
-
-	/* debug feature area which records SCSI command aborts */
-	sprintf(dbf_name, ZFCP_ABORT_DBF_NAME "%s",
-		zfcp_get_busid_by_adapter(adapter));
-	adapter->abort_dbf = debug_register(dbf_name, ZFCP_ABORT_DBF_INDEX,
-					    ZFCP_ABORT_DBF_AREAS,
-					    ZFCP_ABORT_DBF_LENGTH);
-	debug_register_view(adapter->abort_dbf, &debug_hex_ascii_view);
-	debug_set_level(adapter->abort_dbf, ZFCP_ABORT_DBF_LEVEL);
-
-	/* debug feature area which records incoming ELS commands */
-	sprintf(dbf_name, ZFCP_IN_ELS_DBF_NAME "%s",
-		zfcp_get_busid_by_adapter(adapter));
-	adapter->in_els_dbf = debug_register(dbf_name, ZFCP_IN_ELS_DBF_INDEX,
-					     ZFCP_IN_ELS_DBF_AREAS,
-					     ZFCP_IN_ELS_DBF_LENGTH);
-	debug_register_view(adapter->in_els_dbf, &debug_hex_ascii_view);
-	debug_set_level(adapter->in_els_dbf, ZFCP_IN_ELS_DBF_LEVEL);
-
-	/* debug feature area which records erp events */
-	sprintf(dbf_name, ZFCP_ERP_DBF_NAME "%s",
-		zfcp_get_busid_by_adapter(adapter));
-	adapter->erp_dbf = debug_register(dbf_name, ZFCP_ERP_DBF_INDEX,
-					  ZFCP_ERP_DBF_AREAS,
-					  ZFCP_ERP_DBF_LENGTH);
-	debug_register_view(adapter->erp_dbf, &debug_hex_ascii_view);
-	debug_set_level(adapter->erp_dbf, ZFCP_ERP_DBF_LEVEL);
-
-	if (!(adapter->cmd_dbf && adapter->abort_dbf &&
-	      adapter->in_els_dbf && adapter->erp_dbf)) {
-		zfcp_adapter_debug_unregister(adapter);
-		return -ENOMEM;
-	}
-
-	return 0;
-
-}
-
-/**
- * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter
- * @adapter: pointer to adapter for which debug features should be unregistered
- */
-void
-zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter)
-{
- 	debug_unregister(adapter->abort_dbf);
- 	debug_unregister(adapter->cmd_dbf);
- 	debug_unregister(adapter->erp_dbf);
- 	debug_unregister(adapter->in_els_dbf);
-	adapter->abort_dbf = NULL;
-	adapter->cmd_dbf = NULL;
-	adapter->erp_dbf = NULL;
-	adapter->in_els_dbf = NULL;
-}
-
 void
 zfcp_dummy_release(struct device *dev)
 {
@@ -1462,10 +1298,6 @@ zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter,
 	/* see FC-FS */
 	no_entries = (fcp_rscn_head->payload_len / 4);
 
-	zfcp_in_els_dbf_event(adapter, "##rscn", status_buffer,
-			      fcp_rscn_head->payload_len);
-
-	debug_text_event(adapter->erp_dbf, 1, "unsol_els_rscn:");
 	for (i = 1; i < no_entries; i++) {
 		/* skip head and start with 1st element */
 		fcp_rscn_element++;
@@ -1497,8 +1329,6 @@ zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter,
 			    (ZFCP_STATUS_PORT_DID_DID, &port->status)) {
 				ZFCP_LOG_INFO("incoming RSCN, trying to open "
 					      "port 0x%016Lx\n", port->wwpn);
-				debug_text_event(adapter->erp_dbf, 1,
-						 "unsol_els_rscnu:");
 				zfcp_erp_port_reopen(port,
 						     ZFCP_STATUS_COMMON_ERP_FAILED);
 				continue;
@@ -1524,8 +1354,6 @@ zfcp_fsf_incoming_els_rscn(struct zfcp_adapter *adapter,
 				 */
 				ZFCP_LOG_INFO("incoming RSCN, trying to open "
 					      "port 0x%016Lx\n", port->wwpn);
-				debug_text_event(adapter->erp_dbf, 1,
-						 "unsol_els_rscnk:");
 				zfcp_test_link(port);
 			}
 		}
@@ -1541,8 +1369,6 @@ zfcp_fsf_incoming_els_plogi(struct zfcp_adapter *adapter,
 	struct zfcp_port *port;
 	unsigned long flags;
 
-	zfcp_in_els_dbf_event(adapter, "##plogi", status_buffer, 28);
-
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	list_for_each_entry(port, &adapter->port_list_head, list) {
 		if (port->wwpn == (*(wwn_t *) & els_logi->nport_wwn))
@@ -1556,8 +1382,6 @@ zfcp_fsf_incoming_els_plogi(struct zfcp_adapter *adapter,
 			       status_buffer->d_id,
 			       zfcp_get_busid_by_adapter(adapter));
 	} else {
-		debug_text_event(adapter->erp_dbf, 1, "unsol_els_plogi:");
-		debug_event(adapter->erp_dbf, 1, &els_logi->nport_wwn, 8);
 		zfcp_erp_port_forced_reopen(port, 0);
 	}
 }
@@ -1570,8 +1394,6 @@ zfcp_fsf_incoming_els_logo(struct zfcp_adapter *adapter,
 	struct zfcp_port *port;
 	unsigned long flags;
 
-	zfcp_in_els_dbf_event(adapter, "##logo", status_buffer, 16);
-
 	read_lock_irqsave(&zfcp_data.config_lock, flags);
 	list_for_each_entry(port, &adapter->port_list_head, list) {
 		if (port->wwpn == els_logo->nport_wwpn)
@@ -1585,8 +1407,6 @@ zfcp_fsf_incoming_els_logo(struct zfcp_adapter *adapter,
 			       status_buffer->d_id,
 			       zfcp_get_busid_by_adapter(adapter));
 	} else {
-		debug_text_event(adapter->erp_dbf, 1, "unsol_els_logo:");
-		debug_event(adapter->erp_dbf, 1, &els_logo->nport_wwpn, 8);
 		zfcp_erp_port_forced_reopen(port, 0);
 	}
 }
@@ -1595,7 +1415,6 @@ static void
 zfcp_fsf_incoming_els_unknown(struct zfcp_adapter *adapter,
 			      struct fsf_status_read_buffer *status_buffer)
 {
-	zfcp_in_els_dbf_event(adapter, "##undef", status_buffer, 24);
 	ZFCP_LOG_NORMAL("warning: unknown incoming ELS 0x%08x "
 			"for adapter %s\n", *(u32 *) (status_buffer->payload),
 			zfcp_get_busid_by_adapter(adapter));
@@ -1609,10 +1428,11 @@ zfcp_fsf_incoming_els(struct zfcp_fsf_req *fsf_req)
 	u32 els_type;
 	struct zfcp_adapter *adapter;
 
-	status_buffer = fsf_req->data.status_read.buffer;
+	status_buffer = (struct fsf_status_read_buffer *) fsf_req->data;
 	els_type = *(u32 *) (status_buffer->payload);
 	adapter = fsf_req->adapter;
 
+	zfcp_san_dbf_event_incoming_els(fsf_req);
 	if (els_type == LS_PLOGI)
 		zfcp_fsf_incoming_els_plogi(adapter, status_buffer);
 	else if (els_type == LS_LOGO)

drivers/s390/scsi/zfcp_ccw.c

@@ -202,19 +202,9 @@ static int
 zfcp_ccw_set_offline(struct ccw_device *ccw_device)
 {
 	struct zfcp_adapter *adapter;
-	struct zfcp_port *port;
-	struct fc_rport *rport;
 
 	down(&zfcp_data.config_sema);
 	adapter = dev_get_drvdata(&ccw_device->dev);
-	/* might be racy, but we cannot take config_lock due to the fact that
-	   fc_remote_port_delete might sleep */
-	list_for_each_entry(port, &adapter->port_list_head, list)
-		if (port->rport) {
-			rport = port->rport;
-			port->rport = NULL;
-			fc_remote_port_delete(rport);
-		}
 	zfcp_erp_adapter_shutdown(adapter, 0);
 	zfcp_erp_wait(adapter);
 	zfcp_adapter_scsi_unregister(adapter);

drivers/s390/scsi/zfcp_dbf.c

@@ -0,0 +1,995 @@
+/*
+ *
+ * linux/drivers/s390/scsi/zfcp_dbf.c
+ *
+ * FCP adapter driver for IBM eServer zSeries
+ *
+ * Debugging facilities
+ *
+ * (C) Copyright IBM Corp. 2005
+ *
+ * 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)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define ZFCP_DBF_REVISION "$Revision$"
+
+#include <asm/debug.h>
+#include <linux/ctype.h>
+#include "zfcp_ext.h"
+
+static u32 dbfsize = 4;
+
+module_param(dbfsize, uint, 0400);
+MODULE_PARM_DESC(dbfsize,
+		 "number of pages for each debug feature area (default 4)");
+
+#define ZFCP_LOG_AREA			ZFCP_LOG_AREA_OTHER
+
+static inline int
+zfcp_dbf_stck(char *out_buf, const char *label, unsigned long long stck)
+{
+	unsigned long long sec;
+	struct timespec xtime;
+	int len = 0;
+
+	stck -= 0x8126d60e46000000LL - (0x3c26700LL * 1000000 * 4096);
+	sec = stck >> 12;
+	do_div(sec, 1000000);
+	xtime.tv_sec = sec;
+	stck -= (sec * 1000000) << 12;
+	xtime.tv_nsec = ((stck * 1000) >> 12);
+	len += sprintf(out_buf + len, "%-24s%011lu:%06lu\n",
+		       label, xtime.tv_sec, xtime.tv_nsec);
+
+	return len;
+}
+
+static int zfcp_dbf_tag(char *out_buf, const char *label, const char *tag)
+{
+	int len = 0, i;
+
+	len += sprintf(out_buf + len, "%-24s", label);
+	for (i = 0; i < ZFCP_DBF_TAG_SIZE; i++)
+		len += sprintf(out_buf + len, "%c", tag[i]);
+	len += sprintf(out_buf + len, "\n");
+
+	return len;
+}
+
+static int
+zfcp_dbf_view(char *out_buf, const char *label, const char *format, ...)
+{
+	va_list arg;
+	int len = 0;
+
+	len += sprintf(out_buf + len, "%-24s", label);
+	va_start(arg, format);
+	len += vsprintf(out_buf + len, format, arg);
+	va_end(arg);
+	len += sprintf(out_buf + len, "\n");
+
+	return len;
+}
+
+static int
+zfcp_dbf_view_dump(char *out_buf, const char *label,
+		   char *buffer, int buflen, int offset, int total_size)
+{
+	int len = 0;
+
+	if (offset == 0)
+		len += sprintf(out_buf + len, "%-24s  ", label);
+
+	while (buflen--) {
+		if (offset > 0) {
+			if ((offset % 32) == 0)
+				len += sprintf(out_buf + len, "\n%-24c  ", ' ');
+			else if ((offset % 4) == 0)
+				len += sprintf(out_buf + len, " ");
+		}
+		len += sprintf(out_buf + len, "%02x", *buffer++);
+		if (++offset == total_size) {
+			len += sprintf(out_buf + len, "\n");
+			break;
+		}
+	}
+
+	if (total_size == 0)
+		len += sprintf(out_buf + len, "\n");
+
+	return len;
+}
+
+static inline int
+zfcp_dbf_view_header(debug_info_t * id, struct debug_view *view, int area,
+		     debug_entry_t * entry, char *out_buf)
+{
+	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)DEBUG_DATA(entry);
+	int len = 0;
+
+	if (strncmp(dump->tag, "dump", ZFCP_DBF_TAG_SIZE) != 0) {
+		len += zfcp_dbf_stck(out_buf + len, "timestamp",
+				     entry->id.stck);
+		len += zfcp_dbf_view(out_buf + len, "cpu", "%02i",
+				     entry->id.fields.cpuid);
+	} else {
+		len += zfcp_dbf_view_dump(out_buf + len, NULL,
+					  dump->data,
+					  dump->size,
+					  dump->offset, dump->total_size);
+		if ((dump->offset + dump->size) == dump->total_size)
+			len += sprintf(out_buf + len, "\n");
+	}
+
+	return len;
+}
+
+inline void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *fsf_req)
+{
+	struct zfcp_adapter *adapter = fsf_req->adapter;
+	struct fsf_qtcb *qtcb = fsf_req->qtcb;
+	union fsf_prot_status_qual *prot_status_qual =
+	    &qtcb->prefix.prot_status_qual;
+	union fsf_status_qual *fsf_status_qual = &qtcb->header.fsf_status_qual;
+	struct scsi_cmnd *scsi_cmnd;
+	struct zfcp_port *port;
+	struct zfcp_unit *unit;
+	struct zfcp_send_els *send_els;
+	struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
+	struct zfcp_hba_dbf_record_response *response = &rec->type.response;
+	int level;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
+	memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
+	strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE);
+
+	if ((qtcb->prefix.prot_status != FSF_PROT_GOOD) &&
+	    (qtcb->prefix.prot_status != FSF_PROT_FSF_STATUS_PRESENTED)) {
+		strncpy(rec->tag2, "perr", ZFCP_DBF_TAG_SIZE);
+		level = 1;
+	} else if (qtcb->header.fsf_status != FSF_GOOD) {
+		strncpy(rec->tag2, "ferr", ZFCP_DBF_TAG_SIZE);
+		level = 1;
+	} else if ((fsf_req->fsf_command == FSF_QTCB_OPEN_PORT_WITH_DID) ||
+		   (fsf_req->fsf_command == FSF_QTCB_OPEN_LUN)) {
+		strncpy(rec->tag2, "open", ZFCP_DBF_TAG_SIZE);
+		level = 4;
+	} else if ((prot_status_qual->doubleword[0] != 0) ||
+		   (prot_status_qual->doubleword[1] != 0) ||
+		   (fsf_status_qual->doubleword[0] != 0) ||
+		   (fsf_status_qual->doubleword[1] != 0)) {
+		strncpy(rec->tag2, "qual", ZFCP_DBF_TAG_SIZE);
+		level = 3;
+	} else {
+		strncpy(rec->tag2, "norm", ZFCP_DBF_TAG_SIZE);
+		level = 6;
+	}
+
+	response->fsf_command = fsf_req->fsf_command;
+	response->fsf_reqid = (unsigned long)fsf_req;
+	response->fsf_seqno = fsf_req->seq_no;
+	response->fsf_issued = fsf_req->issued;
+	response->fsf_prot_status = qtcb->prefix.prot_status;
+	response->fsf_status = qtcb->header.fsf_status;
+	memcpy(response->fsf_prot_status_qual,
+	       prot_status_qual, FSF_PROT_STATUS_QUAL_SIZE);
+	memcpy(response->fsf_status_qual,
+	       fsf_status_qual, FSF_STATUS_QUALIFIER_SIZE);
+	response->fsf_req_status = fsf_req->status;
+	response->sbal_first = fsf_req->sbal_first;
+	response->sbal_curr = fsf_req->sbal_curr;
+	response->sbal_last = fsf_req->sbal_last;
+	response->pool = fsf_req->pool != NULL;
+	response->erp_action = (unsigned long)fsf_req->erp_action;
+
+	switch (fsf_req->fsf_command) {
+	case FSF_QTCB_FCP_CMND:
+		if (fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
+			break;
+		scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
+		if (scsi_cmnd != NULL) {
+			response->data.send_fcp.scsi_cmnd
+			    = (unsigned long)scsi_cmnd;
+			response->data.send_fcp.scsi_serial
+			    = scsi_cmnd->serial_number;
+		}
+		break;
+
+	case FSF_QTCB_OPEN_PORT_WITH_DID:
+	case FSF_QTCB_CLOSE_PORT:
+	case FSF_QTCB_CLOSE_PHYSICAL_PORT:
+		port = (struct zfcp_port *)fsf_req->data;
+		response->data.port.wwpn = port->wwpn;
+		response->data.port.d_id = port->d_id;
+		response->data.port.port_handle = qtcb->header.port_handle;
+		break;
+
+	case FSF_QTCB_OPEN_LUN:
+	case FSF_QTCB_CLOSE_LUN:
+		unit = (struct zfcp_unit *)fsf_req->data;
+		port = unit->port;
+		response->data.unit.wwpn = port->wwpn;
+		response->data.unit.fcp_lun = unit->fcp_lun;
+		response->data.unit.port_handle = qtcb->header.port_handle;
+		response->data.unit.lun_handle = qtcb->header.lun_handle;
+		break;
+
+	case FSF_QTCB_SEND_ELS:
+		send_els = (struct zfcp_send_els *)fsf_req->data;
+		response->data.send_els.d_id = qtcb->bottom.support.d_id;
+		response->data.send_els.ls_code = send_els->ls_code >> 24;
+		break;
+
+	case FSF_QTCB_ABORT_FCP_CMND:
+	case FSF_QTCB_SEND_GENERIC:
+	case FSF_QTCB_EXCHANGE_CONFIG_DATA:
+	case FSF_QTCB_EXCHANGE_PORT_DATA:
+	case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
+	case FSF_QTCB_UPLOAD_CONTROL_FILE:
+		break;
+	}
+
+	debug_event(adapter->hba_dbf, level,
+		    rec, sizeof(struct zfcp_hba_dbf_record));
+	spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
+}
+
+inline void
+zfcp_hba_dbf_event_fsf_unsol(const char *tag, struct zfcp_adapter *adapter,
+			     struct fsf_status_read_buffer *status_buffer)
+{
+	struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
+	memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
+	strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
+	strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
+
+	rec->type.status.failed = adapter->status_read_failed;
+	if (status_buffer != NULL) {
+		rec->type.status.status_type = status_buffer->status_type;
+		rec->type.status.status_subtype = status_buffer->status_subtype;
+		memcpy(&rec->type.status.queue_designator,
+		       &status_buffer->queue_designator,
+		       sizeof(struct fsf_queue_designator));
+
+		switch (status_buffer->status_type) {
+		case FSF_STATUS_READ_SENSE_DATA_AVAIL:
+			rec->type.status.payload_size =
+			    ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL;
+			break;
+
+		case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
+			rec->type.status.payload_size =
+			    ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD;
+			break;
+
+		case FSF_STATUS_READ_LINK_DOWN:
+			switch (status_buffer->status_subtype) {
+			case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
+			case FSF_STATUS_READ_SUB_FDISC_FAILED:
+				rec->type.status.payload_size =
+					sizeof(struct fsf_link_down_info);
+			}
+			break;
+
+		case FSF_STATUS_READ_FEATURE_UPDATE_ALERT:
+			rec->type.status.payload_size =
+			    ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT;
+			break;
+		}
+		memcpy(&rec->type.status.payload,
+		       &status_buffer->payload, rec->type.status.payload_size);
+	}
+
+	debug_event(adapter->hba_dbf, 2,
+		    rec, sizeof(struct zfcp_hba_dbf_record));
+	spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
+}
+
+inline void
+zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter, unsigned int status,
+			unsigned int qdio_error, unsigned int siga_error,
+			int sbal_index, int sbal_count)
+{
+	struct zfcp_hba_dbf_record *rec = &adapter->hba_dbf_buf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
+	memset(rec, 0, sizeof(struct zfcp_hba_dbf_record));
+	strncpy(rec->tag, "qdio", ZFCP_DBF_TAG_SIZE);
+	rec->type.qdio.status = status;
+	rec->type.qdio.qdio_error = qdio_error;
+	rec->type.qdio.siga_error = siga_error;
+	rec->type.qdio.sbal_index = sbal_index;
+	rec->type.qdio.sbal_count = sbal_count;
+	debug_event(adapter->hba_dbf, 0,
+		    rec, sizeof(struct zfcp_hba_dbf_record));
+	spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
+}
+
+static inline int
+zfcp_hba_dbf_view_response(char *out_buf,
+			   struct zfcp_hba_dbf_record_response *rec)
+{
+	int len = 0;
+
+	len += zfcp_dbf_view(out_buf + len, "fsf_command", "0x%08x",
+			     rec->fsf_command);
+	len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
+			     rec->fsf_reqid);
+	len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
+			     rec->fsf_seqno);
+	len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued);
+	len += zfcp_dbf_view(out_buf + len, "fsf_prot_status", "0x%08x",
+			     rec->fsf_prot_status);
+	len += zfcp_dbf_view(out_buf + len, "fsf_status", "0x%08x",
+			     rec->fsf_status);
+	len += zfcp_dbf_view_dump(out_buf + len, "fsf_prot_status_qual",
+				  rec->fsf_prot_status_qual,
+				  FSF_PROT_STATUS_QUAL_SIZE,
+				  0, FSF_PROT_STATUS_QUAL_SIZE);
+	len += zfcp_dbf_view_dump(out_buf + len, "fsf_status_qual",
+				  rec->fsf_status_qual,
+				  FSF_STATUS_QUALIFIER_SIZE,
+				  0, FSF_STATUS_QUALIFIER_SIZE);
+	len += zfcp_dbf_view(out_buf + len, "fsf_req_status", "0x%08x",
+			     rec->fsf_req_status);
+	len += zfcp_dbf_view(out_buf + len, "sbal_first", "0x%02x",
+			     rec->sbal_first);
+	len += zfcp_dbf_view(out_buf + len, "sbal_curr", "0x%02x",
+			     rec->sbal_curr);
+	len += zfcp_dbf_view(out_buf + len, "sbal_last", "0x%02x",
+			     rec->sbal_last);
+	len += zfcp_dbf_view(out_buf + len, "pool", "0x%02x", rec->pool);
+
+	switch (rec->fsf_command) {
+	case FSF_QTCB_FCP_CMND:
+		if (rec->fsf_req_status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)
+			break;
+		len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx",
+				     rec->data.send_fcp.scsi_cmnd);
+		len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx",
+				     rec->data.send_fcp.scsi_serial);
+		break;
+
+	case FSF_QTCB_OPEN_PORT_WITH_DID:
+	case FSF_QTCB_CLOSE_PORT:
+	case FSF_QTCB_CLOSE_PHYSICAL_PORT:
+		len += zfcp_dbf_view(out_buf + len, "wwpn", "0x%016Lx",
+				     rec->data.port.wwpn);
+		len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x",
+				     rec->data.port.d_id);
+		len += zfcp_dbf_view(out_buf + len, "port_handle", "0x%08x",
+				     rec->data.port.port_handle);
+		break;
+
+	case FSF_QTCB_OPEN_LUN:
+	case FSF_QTCB_CLOSE_LUN:
+		len += zfcp_dbf_view(out_buf + len, "wwpn", "0x%016Lx",
+				     rec->data.unit.wwpn);
+		len += zfcp_dbf_view(out_buf + len, "fcp_lun", "0x%016Lx",
+				     rec->data.unit.fcp_lun);
+		len += zfcp_dbf_view(out_buf + len, "port_handle", "0x%08x",
+				     rec->data.unit.port_handle);
+		len += zfcp_dbf_view(out_buf + len, "lun_handle", "0x%08x",
+				     rec->data.unit.lun_handle);
+		break;
+
+	case FSF_QTCB_SEND_ELS:
+		len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x",
+				     rec->data.send_els.d_id);
+		len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x",
+				     rec->data.send_els.ls_code);
+		break;
+
+	case FSF_QTCB_ABORT_FCP_CMND:
+	case FSF_QTCB_SEND_GENERIC:
+	case FSF_QTCB_EXCHANGE_CONFIG_DATA:
+	case FSF_QTCB_EXCHANGE_PORT_DATA:
+	case FSF_QTCB_DOWNLOAD_CONTROL_FILE:
+	case FSF_QTCB_UPLOAD_CONTROL_FILE:
+		break;
+	}
+
+	return len;
+}
+
+static inline int
+zfcp_hba_dbf_view_status(char *out_buf, struct zfcp_hba_dbf_record_status *rec)
+{
+	int len = 0;
+
+	len += zfcp_dbf_view(out_buf + len, "failed", "0x%02x", rec->failed);
+	len += zfcp_dbf_view(out_buf + len, "status_type", "0x%08x",
+			     rec->status_type);
+	len += zfcp_dbf_view(out_buf + len, "status_subtype", "0x%08x",
+			     rec->status_subtype);
+	len += zfcp_dbf_view_dump(out_buf + len, "queue_designator",
+				  (char *)&rec->queue_designator,
+				  sizeof(struct fsf_queue_designator),
+				  0, sizeof(struct fsf_queue_designator));
+	len += zfcp_dbf_view_dump(out_buf + len, "payload",
+				  (char *)&rec->payload,
+				  rec->payload_size, 0, rec->payload_size);
+
+	return len;
+}
+
+static inline int
+zfcp_hba_dbf_view_qdio(char *out_buf, struct zfcp_hba_dbf_record_qdio *rec)
+{
+	int len = 0;
+
+	len += zfcp_dbf_view(out_buf + len, "status", "0x%08x", rec->status);
+	len += zfcp_dbf_view(out_buf + len, "qdio_error", "0x%08x",
+			     rec->qdio_error);
+	len += zfcp_dbf_view(out_buf + len, "siga_error", "0x%08x",
+			     rec->siga_error);
+	len += zfcp_dbf_view(out_buf + len, "sbal_index", "0x%02x",
+			     rec->sbal_index);
+	len += zfcp_dbf_view(out_buf + len, "sbal_count", "0x%02x",
+			     rec->sbal_count);
+
+	return len;
+}
+
+static int
+zfcp_hba_dbf_view_format(debug_info_t * id, struct debug_view *view,
+			 char *out_buf, const char *in_buf)
+{
+	struct zfcp_hba_dbf_record *rec = (struct zfcp_hba_dbf_record *)in_buf;
+	int len = 0;
+
+	if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
+		return 0;
+
+	len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
+	if (isalpha(rec->tag2[0]))
+		len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2);
+	if (strncmp(rec->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
+		len += zfcp_hba_dbf_view_response(out_buf + len,
+						  &rec->type.response);
+	else if (strncmp(rec->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
+		len += zfcp_hba_dbf_view_status(out_buf + len,
+						&rec->type.status);
+	else if (strncmp(rec->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
+		len += zfcp_hba_dbf_view_qdio(out_buf + len, &rec->type.qdio);
+
+	len += sprintf(out_buf + len, "\n");
+
+	return len;
+}
+
+struct debug_view zfcp_hba_dbf_view = {
+	"structured",
+	NULL,
+	&zfcp_dbf_view_header,
+	&zfcp_hba_dbf_view_format,
+	NULL,
+	NULL
+};
+
+inline void
+_zfcp_san_dbf_event_common_ct(const char *tag, struct zfcp_fsf_req *fsf_req,
+			      u32 s_id, u32 d_id, void *buffer, int buflen)
+{
+	struct zfcp_send_ct *send_ct = (struct zfcp_send_ct *)fsf_req->data;
+	struct zfcp_port *port = send_ct->port;
+	struct zfcp_adapter *adapter = port->adapter;
+	struct ct_hdr *header = (struct ct_hdr *)buffer;
+	struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
+	struct zfcp_san_dbf_record_ct *ct = &rec->type.ct;
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
+	memset(rec, 0, sizeof(struct zfcp_san_dbf_record));
+	strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
+	rec->fsf_reqid = (unsigned long)fsf_req;
+	rec->fsf_seqno = fsf_req->seq_no;
+	rec->s_id = s_id;
+	rec->d_id = d_id;
+	if (strncmp(tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
+		ct->type.request.cmd_req_code = header->cmd_rsp_code;
+		ct->type.request.revision = header->revision;
+		ct->type.request.gs_type = header->gs_type;
+		ct->type.request.gs_subtype = header->gs_subtype;
+		ct->type.request.options = header->options;
+		ct->type.request.max_res_size = header->max_res_size;
+	} else if (strncmp(tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
+		ct->type.response.cmd_rsp_code = header->cmd_rsp_code;
+		ct->type.response.revision = header->revision;
+		ct->type.response.reason_code = header->reason_code;
+		ct->type.response.reason_code_expl = header->reason_code_expl;
+		ct->type.response.vendor_unique = header->vendor_unique;
+	}
+	ct->payload_size =
+	    min(buflen - (int)sizeof(struct ct_hdr), ZFCP_DBF_CT_PAYLOAD);
+	memcpy(ct->payload, buffer + sizeof(struct ct_hdr), ct->payload_size);
+	debug_event(adapter->san_dbf, 3,
+		    rec, sizeof(struct zfcp_san_dbf_record));
+	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
+}
+
+inline void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
+{
+	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
+	struct zfcp_port *port = ct->port;
+	struct zfcp_adapter *adapter = port->adapter;
+
+	_zfcp_san_dbf_event_common_ct("octc", fsf_req,
+				      fc_host_port_id(adapter->scsi_host),
+				      port->d_id, zfcp_sg_to_address(ct->req),
+				      ct->req->length);
+}
+
+inline void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
+{
+	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
+	struct zfcp_port *port = ct->port;
+	struct zfcp_adapter *adapter = port->adapter;
+
+	_zfcp_san_dbf_event_common_ct("rctc", fsf_req, port->d_id,
+				      fc_host_port_id(adapter->scsi_host),
+				      zfcp_sg_to_address(ct->resp),
+				      ct->resp->length);
+}
+
+static inline void
+_zfcp_san_dbf_event_common_els(const char *tag, int level,
+			       struct zfcp_fsf_req *fsf_req, u32 s_id,
+			       u32 d_id, u8 ls_code, void *buffer, int buflen)
+{
+	struct zfcp_adapter *adapter = fsf_req->adapter;
+	struct zfcp_san_dbf_record *rec = &adapter->san_dbf_buf;
+	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
+	unsigned long flags;
+	int offset = 0;
+
+	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
+	do {
+		memset(rec, 0, sizeof(struct zfcp_san_dbf_record));
+		if (offset == 0) {
+			strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
+			rec->fsf_reqid = (unsigned long)fsf_req;
+			rec->fsf_seqno = fsf_req->seq_no;
+			rec->s_id = s_id;
+			rec->d_id = d_id;
+			rec->type.els.ls_code = ls_code;
+			buflen = min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD);
+			rec->type.els.payload_size = buflen;
+			memcpy(rec->type.els.payload,
+			       buffer, min(buflen, ZFCP_DBF_ELS_PAYLOAD));
+			offset += min(buflen, ZFCP_DBF_ELS_PAYLOAD);
+		} else {
+			strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
+			dump->total_size = buflen;
+			dump->offset = offset;
+			dump->size = min(buflen - offset,
+					 (int)sizeof(struct zfcp_san_dbf_record)
+					 - (int)sizeof(struct zfcp_dbf_dump));
+			memcpy(dump->data, buffer + offset, dump->size);
+			offset += dump->size;
+		}
+		debug_event(adapter->san_dbf, level,
+			    rec, sizeof(struct zfcp_san_dbf_record));
+	} while (offset < buflen);
+	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
+}
+
+inline void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
+{
+	struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
+
+	_zfcp_san_dbf_event_common_els("oels", 2, fsf_req,
+				       fc_host_port_id(els->adapter->scsi_host),
+				       els->d_id,
+				       *(u8 *) zfcp_sg_to_address(els->req),
+				       zfcp_sg_to_address(els->req),
+				       els->req->length);
+}
+
+inline void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
+{
+	struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
+
+	_zfcp_san_dbf_event_common_els("rels", 2, fsf_req, els->d_id,
+				       fc_host_port_id(els->adapter->scsi_host),
+				       *(u8 *) zfcp_sg_to_address(els->req),
+				       zfcp_sg_to_address(els->resp),
+				       els->resp->length);
+}
+
+inline void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
+{
+	struct zfcp_adapter *adapter = fsf_req->adapter;
+	struct fsf_status_read_buffer *status_buffer =
+	    (struct fsf_status_read_buffer *)fsf_req->data;
+	int length = (int)status_buffer->length -
+	    (int)((void *)&status_buffer->payload - (void *)status_buffer);
+
+	_zfcp_san_dbf_event_common_els("iels", 1, fsf_req, status_buffer->d_id,
+				       fc_host_port_id(adapter->scsi_host),
+				       *(u8 *) status_buffer->payload,
+				       (void *)status_buffer->payload, length);
+}
+
+static int
+zfcp_san_dbf_view_format(debug_info_t * id, struct debug_view *view,
+			 char *out_buf, const char *in_buf)
+{
+	struct zfcp_san_dbf_record *rec = (struct zfcp_san_dbf_record *)in_buf;
+	char *buffer = NULL;
+	int buflen = 0, total = 0;
+	int len = 0;
+
+	if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
+		return 0;
+
+	len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
+	len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
+			     rec->fsf_reqid);
+	len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
+			     rec->fsf_seqno);
+	len += zfcp_dbf_view(out_buf + len, "s_id", "0x%06x", rec->s_id);
+	len += zfcp_dbf_view(out_buf + len, "d_id", "0x%06x", rec->d_id);
+
+	if (strncmp(rec->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
+		len += zfcp_dbf_view(out_buf + len, "cmd_req_code", "0x%04x",
+				     rec->type.ct.type.request.cmd_req_code);
+		len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x",
+				     rec->type.ct.type.request.revision);
+		len += zfcp_dbf_view(out_buf + len, "gs_type", "0x%02x",
+				     rec->type.ct.type.request.gs_type);
+		len += zfcp_dbf_view(out_buf + len, "gs_subtype", "0x%02x",
+				     rec->type.ct.type.request.gs_subtype);
+		len += zfcp_dbf_view(out_buf + len, "options", "0x%02x",
+				     rec->type.ct.type.request.options);
+		len += zfcp_dbf_view(out_buf + len, "max_res_size", "0x%04x",
+				     rec->type.ct.type.request.max_res_size);
+		total = rec->type.ct.payload_size;
+		buffer = rec->type.ct.payload;
+		buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
+	} else if (strncmp(rec->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
+		len += zfcp_dbf_view(out_buf + len, "cmd_rsp_code", "0x%04x",
+				     rec->type.ct.type.response.cmd_rsp_code);
+		len += zfcp_dbf_view(out_buf + len, "revision", "0x%02x",
+				     rec->type.ct.type.response.revision);
+		len += zfcp_dbf_view(out_buf + len, "reason_code", "0x%02x",
+				     rec->type.ct.type.response.reason_code);
+		len +=
+		    zfcp_dbf_view(out_buf + len, "reason_code_expl", "0x%02x",
+				  rec->type.ct.type.response.reason_code_expl);
+		len +=
+		    zfcp_dbf_view(out_buf + len, "vendor_unique", "0x%02x",
+				  rec->type.ct.type.response.vendor_unique);
+		total = rec->type.ct.payload_size;
+		buffer = rec->type.ct.payload;
+		buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
+	} else if (strncmp(rec->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
+		   strncmp(rec->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
+		   strncmp(rec->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
+		len += zfcp_dbf_view(out_buf + len, "ls_code", "0x%02x",
+				     rec->type.els.ls_code);
+		total = rec->type.els.payload_size;
+		buffer = rec->type.els.payload;
+		buflen = min(total, ZFCP_DBF_ELS_PAYLOAD);
+	}
+
+	len += zfcp_dbf_view_dump(out_buf + len, "payload",
+				  buffer, buflen, 0, total);
+
+	if (buflen == total)
+		len += sprintf(out_buf + len, "\n");
+
+	return len;
+}
+
+struct debug_view zfcp_san_dbf_view = {
+	"structured",
+	NULL,
+	&zfcp_dbf_view_header,
+	&zfcp_san_dbf_view_format,
+	NULL,
+	NULL
+};
+
+static inline void
+_zfcp_scsi_dbf_event_common(const char *tag, const char *tag2, int level,
+			    struct zfcp_adapter *adapter,
+			    struct scsi_cmnd *scsi_cmnd,
+			    struct zfcp_fsf_req *new_fsf_req)
+{
+	struct zfcp_fsf_req *fsf_req =
+	    (struct zfcp_fsf_req *)scsi_cmnd->host_scribble;
+	struct zfcp_scsi_dbf_record *rec = &adapter->scsi_dbf_buf;
+	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
+	unsigned long flags;
+	struct fcp_rsp_iu *fcp_rsp;
+	char *fcp_rsp_info = NULL, *fcp_sns_info = NULL;
+	int offset = 0, buflen = 0;
+
+	spin_lock_irqsave(&adapter->scsi_dbf_lock, flags);
+	do {
+		memset(rec, 0, sizeof(struct zfcp_scsi_dbf_record));
+		if (offset == 0) {
+			strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
+			strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
+			if (scsi_cmnd->device) {
+				rec->scsi_id = scsi_cmnd->device->id;
+				rec->scsi_lun = scsi_cmnd->device->lun;
+			}
+			rec->scsi_result = scsi_cmnd->result;
+			rec->scsi_cmnd = (unsigned long)scsi_cmnd;
+			rec->scsi_serial = scsi_cmnd->serial_number;
+			memcpy(rec->scsi_opcode,
+			       &scsi_cmnd->cmnd,
+			       min((int)scsi_cmnd->cmd_len,
+				   ZFCP_DBF_SCSI_OPCODE));
+			rec->scsi_retries = scsi_cmnd->retries;
+			rec->scsi_allowed = scsi_cmnd->allowed;
+			if (fsf_req != NULL) {
+				fcp_rsp = (struct fcp_rsp_iu *)
+				    &(fsf_req->qtcb->bottom.io.fcp_rsp);
+				fcp_rsp_info =
+				    zfcp_get_fcp_rsp_info_ptr(fcp_rsp);
+				fcp_sns_info =
+				    zfcp_get_fcp_sns_info_ptr(fcp_rsp);
+
+				rec->type.fcp.rsp_validity =
+				    fcp_rsp->validity.value;
+				rec->type.fcp.rsp_scsi_status =
+				    fcp_rsp->scsi_status;
+				rec->type.fcp.rsp_resid = fcp_rsp->fcp_resid;
+				if (fcp_rsp->validity.bits.fcp_rsp_len_valid)
+					rec->type.fcp.rsp_code =
+					    *(fcp_rsp_info + 3);
+				if (fcp_rsp->validity.bits.fcp_sns_len_valid) {
+					buflen = min((int)fcp_rsp->fcp_sns_len,
+						     ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO);
+					rec->type.fcp.sns_info_len = buflen;
+					memcpy(rec->type.fcp.sns_info,
+					       fcp_sns_info,
+					       min(buflen,
+						   ZFCP_DBF_SCSI_FCP_SNS_INFO));
+					offset += min(buflen,
+						      ZFCP_DBF_SCSI_FCP_SNS_INFO);
+				}
+
+				rec->fsf_reqid = (unsigned long)fsf_req;
+				rec->fsf_seqno = fsf_req->seq_no;
+				rec->fsf_issued = fsf_req->issued;
+			}
+			if (new_fsf_req != NULL) {
+				rec->type.new_fsf_req.fsf_reqid =
+				    (unsigned long)
+				    new_fsf_req;
+				rec->type.new_fsf_req.fsf_seqno =
+				    new_fsf_req->seq_no;
+				rec->type.new_fsf_req.fsf_issued =
+				    new_fsf_req->issued;
+			}
+		} else {
+			strncpy(dump->tag, "dump", ZFCP_DBF_TAG_SIZE);
+			dump->total_size = buflen;
+			dump->offset = offset;
+			dump->size = min(buflen - offset,
+					 (int)sizeof(struct
+						     zfcp_scsi_dbf_record) -
+					 (int)sizeof(struct zfcp_dbf_dump));
+			memcpy(dump->data, fcp_sns_info + offset, dump->size);
+			offset += dump->size;
+		}
+		debug_event(adapter->scsi_dbf, level,
+			    rec, sizeof(struct zfcp_scsi_dbf_record));
+	} while (offset < buflen);
+	spin_unlock_irqrestore(&adapter->scsi_dbf_lock, flags);
+}
+
+inline void
+zfcp_scsi_dbf_event_result(const char *tag, int level,
+			   struct zfcp_adapter *adapter,
+			   struct scsi_cmnd *scsi_cmnd)
+{
+	_zfcp_scsi_dbf_event_common("rslt",
+				    tag, level, adapter, scsi_cmnd, NULL);
+}
+
+inline void
+zfcp_scsi_dbf_event_abort(const char *tag, struct zfcp_adapter *adapter,
+			  struct scsi_cmnd *scsi_cmnd,
+			  struct zfcp_fsf_req *new_fsf_req)
+{
+	_zfcp_scsi_dbf_event_common("abrt",
+				    tag, 1, adapter, scsi_cmnd, new_fsf_req);
+}
+
+inline void
+zfcp_scsi_dbf_event_devreset(const char *tag, u8 flag, struct zfcp_unit *unit,
+			     struct scsi_cmnd *scsi_cmnd)
+{
+	struct zfcp_adapter *adapter = unit->port->adapter;
+
+	_zfcp_scsi_dbf_event_common(flag == FCP_TARGET_RESET ? "trst" : "lrst",
+				    tag, 1, adapter, scsi_cmnd, NULL);
+}
+
+static int
+zfcp_scsi_dbf_view_format(debug_info_t * id, struct debug_view *view,
+			  char *out_buf, const char *in_buf)
+{
+	struct zfcp_scsi_dbf_record *rec =
+	    (struct zfcp_scsi_dbf_record *)in_buf;
+	int len = 0;
+
+	if (strncmp(rec->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
+		return 0;
+
+	len += zfcp_dbf_tag(out_buf + len, "tag", rec->tag);
+	len += zfcp_dbf_tag(out_buf + len, "tag2", rec->tag2);
+	len += zfcp_dbf_view(out_buf + len, "scsi_id", "0x%08x", rec->scsi_id);
+	len += zfcp_dbf_view(out_buf + len, "scsi_lun", "0x%08x",
+			     rec->scsi_lun);
+	len += zfcp_dbf_view(out_buf + len, "scsi_result", "0x%08x",
+			     rec->scsi_result);
+	len += zfcp_dbf_view(out_buf + len, "scsi_cmnd", "0x%0Lx",
+			     rec->scsi_cmnd);
+	len += zfcp_dbf_view(out_buf + len, "scsi_serial", "0x%016Lx",
+			     rec->scsi_serial);
+	len += zfcp_dbf_view_dump(out_buf + len, "scsi_opcode",
+				  rec->scsi_opcode,
+				  ZFCP_DBF_SCSI_OPCODE,
+				  0, ZFCP_DBF_SCSI_OPCODE);
+	len += zfcp_dbf_view(out_buf + len, "scsi_retries", "0x%02x",
+			     rec->scsi_retries);
+	len += zfcp_dbf_view(out_buf + len, "scsi_allowed", "0x%02x",
+			     rec->scsi_allowed);
+	len += zfcp_dbf_view(out_buf + len, "fsf_reqid", "0x%0Lx",
+			     rec->fsf_reqid);
+	len += zfcp_dbf_view(out_buf + len, "fsf_seqno", "0x%08x",
+			     rec->fsf_seqno);
+	len += zfcp_dbf_stck(out_buf + len, "fsf_issued", rec->fsf_issued);
+	if (strncmp(rec->tag, "rslt", ZFCP_DBF_TAG_SIZE) == 0) {
+		len +=
+		    zfcp_dbf_view(out_buf + len, "fcp_rsp_validity", "0x%02x",
+				  rec->type.fcp.rsp_validity);
+		len +=
+		    zfcp_dbf_view(out_buf + len, "fcp_rsp_scsi_status",
+				  "0x%02x", rec->type.fcp.rsp_scsi_status);
+		len +=
+		    zfcp_dbf_view(out_buf + len, "fcp_rsp_resid", "0x%08x",
+				  rec->type.fcp.rsp_resid);
+		len +=
+		    zfcp_dbf_view(out_buf + len, "fcp_rsp_code", "0x%08x",
+				  rec->type.fcp.rsp_code);
+		len +=
+		    zfcp_dbf_view(out_buf + len, "fcp_sns_info_len", "0x%08x",
+				  rec->type.fcp.sns_info_len);
+		len +=
+		    zfcp_dbf_view_dump(out_buf + len, "fcp_sns_info",
+				       rec->type.fcp.sns_info,
+				       min((int)rec->type.fcp.sns_info_len,
+					   ZFCP_DBF_SCSI_FCP_SNS_INFO), 0,
+				       rec->type.fcp.sns_info_len);
+	} else if (strncmp(rec->tag, "abrt", ZFCP_DBF_TAG_SIZE) == 0) {
+		len += zfcp_dbf_view(out_buf + len, "fsf_reqid_abort", "0x%0Lx",
+				     rec->type.new_fsf_req.fsf_reqid);
+		len += zfcp_dbf_view(out_buf + len, "fsf_seqno_abort", "0x%08x",
+				     rec->type.new_fsf_req.fsf_seqno);
+		len += zfcp_dbf_stck(out_buf + len, "fsf_issued",
+				     rec->type.new_fsf_req.fsf_issued);
+	} else if ((strncmp(rec->tag, "trst", ZFCP_DBF_TAG_SIZE) == 0) ||
+		   (strncmp(rec->tag, "lrst", ZFCP_DBF_TAG_SIZE) == 0)) {
+		len += zfcp_dbf_view(out_buf + len, "fsf_reqid_reset", "0x%0Lx",
+				     rec->type.new_fsf_req.fsf_reqid);
+		len += zfcp_dbf_view(out_buf + len, "fsf_seqno_reset", "0x%08x",
+				     rec->type.new_fsf_req.fsf_seqno);
+		len += zfcp_dbf_stck(out_buf + len, "fsf_issued",
+				     rec->type.new_fsf_req.fsf_issued);
+	}
+
+	len += sprintf(out_buf + len, "\n");
+
+	return len;
+}
+
+struct debug_view zfcp_scsi_dbf_view = {
+	"structured",
+	NULL,
+	&zfcp_dbf_view_header,
+	&zfcp_scsi_dbf_view_format,
+	NULL,
+	NULL
+};
+
+/**
+ * zfcp_adapter_debug_register - registers debug feature for an adapter
+ * @adapter: pointer to adapter for which debug features should be registered
+ * return: -ENOMEM on error, 0 otherwise
+ */
+int zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
+{
+	char dbf_name[DEBUG_MAX_NAME_LEN];
+
+	/* debug feature area which records recovery activity */
+	spin_lock_init(&adapter->erp_dbf_lock);
+	sprintf(dbf_name, "zfcp_%s_erp", zfcp_get_busid_by_adapter(adapter));
+	adapter->erp_dbf = debug_register(dbf_name, dbfsize, 2,
+					  sizeof(struct zfcp_erp_dbf_record));
+	if (!adapter->erp_dbf)
+		goto failed;
+	debug_register_view(adapter->erp_dbf, &debug_hex_ascii_view);
+	debug_set_level(adapter->erp_dbf, 3);
+
+	/* debug feature area which records HBA (FSF and QDIO) conditions */
+	spin_lock_init(&adapter->hba_dbf_lock);
+	sprintf(dbf_name, "zfcp_%s_hba", zfcp_get_busid_by_adapter(adapter));
+	adapter->hba_dbf = debug_register(dbf_name, dbfsize, 1,
+					  sizeof(struct zfcp_hba_dbf_record));
+	if (!adapter->hba_dbf)
+		goto failed;
+	debug_register_view(adapter->hba_dbf, &debug_hex_ascii_view);
+	debug_register_view(adapter->hba_dbf, &zfcp_hba_dbf_view);
+	debug_set_level(adapter->hba_dbf, 3);
+
+	/* debug feature area which records SAN command failures and recovery */
+	spin_lock_init(&adapter->san_dbf_lock);
+	sprintf(dbf_name, "zfcp_%s_san", zfcp_get_busid_by_adapter(adapter));
+	adapter->san_dbf = debug_register(dbf_name, dbfsize, 1,
+					  sizeof(struct zfcp_san_dbf_record));
+	if (!adapter->san_dbf)
+		goto failed;
+	debug_register_view(adapter->san_dbf, &debug_hex_ascii_view);
+	debug_register_view(adapter->san_dbf, &zfcp_san_dbf_view);
+	debug_set_level(adapter->san_dbf, 6);
+
+	/* debug feature area which records SCSI command failures and recovery */
+	spin_lock_init(&adapter->scsi_dbf_lock);
+	sprintf(dbf_name, "zfcp_%s_scsi", zfcp_get_busid_by_adapter(adapter));
+	adapter->scsi_dbf = debug_register(dbf_name, dbfsize, 1,
+					   sizeof(struct zfcp_scsi_dbf_record));
+	if (!adapter->scsi_dbf)
+		goto failed;
+	debug_register_view(adapter->scsi_dbf, &debug_hex_ascii_view);
+	debug_register_view(adapter->scsi_dbf, &zfcp_scsi_dbf_view);
+	debug_set_level(adapter->scsi_dbf, 3);
+
+	return 0;
+
+ failed:
+	zfcp_adapter_debug_unregister(adapter);
+
+	return -ENOMEM;
+}
+
+/**
+ * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter
+ * @adapter: pointer to adapter for which debug features should be unregistered
+ */
+void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter)
+{
+	debug_unregister(adapter->scsi_dbf);
+	debug_unregister(adapter->san_dbf);
+	debug_unregister(adapter->hba_dbf);
+	debug_unregister(adapter->erp_dbf);
+	adapter->scsi_dbf = NULL;
+	adapter->san_dbf = NULL;
+	adapter->hba_dbf = NULL;
+	adapter->erp_dbf = NULL;
+}
+
+#undef ZFCP_LOG_AREA

drivers/s390/scsi/zfcp_def.h

@@ -66,7 +66,7 @@
 /********************* GENERAL DEFINES *********************************/
 
 /* zfcp version number, it consists of major, minor, and patch-level number */
-#define ZFCP_VERSION		"4.3.0"
+#define ZFCP_VERSION		"4.5.0"
 
 /**
  * zfcp_sg_to_address - determine kernel address from struct scatterlist
@@ -154,13 +154,17 @@ typedef u32 scsi_lun_t;
 #define ZFCP_EXCHANGE_CONFIG_DATA_FIRST_SLEEP	100
 #define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES	7
 
+/* Retry 5 times every 2 second, then every minute */
+#define ZFCP_EXCHANGE_PORT_DATA_SHORT_RETRIES	5
+#define ZFCP_EXCHANGE_PORT_DATA_SHORT_SLEEP	200
+#define ZFCP_EXCHANGE_PORT_DATA_LONG_SLEEP	6000
+
 /* timeout value for "default timer" for fsf requests */
 #define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ);
 
 /*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/
 
 typedef unsigned long long wwn_t;
-typedef unsigned int       fc_id_t;
 typedef unsigned long long fcp_lun_t;
 /* data length field may be at variable position in FCP-2 FCP_CMND IU */
 typedef unsigned int       fcp_dl_t;
@@ -280,6 +284,171 @@ struct fcp_logo {
         wwn_t nport_wwpn;
 } __attribute__((packed));
 
+/*
+ * DBF stuff
+ */
+#define ZFCP_DBF_TAG_SIZE      4
+
+struct zfcp_dbf_dump {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u32 total_size;		/* size of total dump data */
+	u32 offset;		/* how much data has being already dumped */
+	u32 size;		/* how much data comes with this record */
+	u8 data[];		/* dump data */
+} __attribute__ ((packed));
+
+/* FIXME: to be inflated when reworking the erp dbf */
+struct zfcp_erp_dbf_record {
+	u8 dummy[16];
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_response {
+	u32 fsf_command;
+	u64 fsf_reqid;
+	u32 fsf_seqno;
+	u64 fsf_issued;
+	u32 fsf_prot_status;
+	u32 fsf_status;
+	u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
+	u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
+	u32 fsf_req_status;
+	u8 sbal_first;
+	u8 sbal_curr;
+	u8 sbal_last;
+	u8 pool;
+	u64 erp_action;
+	union {
+		struct {
+			u64 scsi_cmnd;
+			u64 scsi_serial;
+		} send_fcp;
+		struct {
+			u64 wwpn;
+			u32 d_id;
+			u32 port_handle;
+		} port;
+		struct {
+			u64 wwpn;
+			u64 fcp_lun;
+			u32 port_handle;
+			u32 lun_handle;
+		} unit;
+		struct {
+			u32 d_id;
+			u8 ls_code;
+		} send_els;
+	} data;
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_status {
+	u8 failed;
+	u32 status_type;
+	u32 status_subtype;
+	struct fsf_queue_designator
+	 queue_designator;
+	u32 payload_size;
+#define ZFCP_DBF_UNSOL_PAYLOAD				80
+#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL		32
+#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD	56
+#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT	2 * sizeof(u32)
+	u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record_qdio {
+	u32 status;
+	u32 qdio_error;
+	u32 siga_error;
+	u8 sbal_index;
+	u8 sbal_count;
+} __attribute__ ((packed));
+
+struct zfcp_hba_dbf_record {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u8 tag2[ZFCP_DBF_TAG_SIZE];
+	union {
+		struct zfcp_hba_dbf_record_response response;
+		struct zfcp_hba_dbf_record_status status;
+		struct zfcp_hba_dbf_record_qdio qdio;
+	} type;
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_ct {
+	union {
+		struct {
+			u16 cmd_req_code;
+			u8 revision;
+			u8 gs_type;
+			u8 gs_subtype;
+			u8 options;
+			u16 max_res_size;
+		} request;
+		struct {
+			u16 cmd_rsp_code;
+			u8 revision;
+			u8 reason_code;
+			u8 reason_code_expl;
+			u8 vendor_unique;
+		} response;
+	} type;
+	u32 payload_size;
+#define ZFCP_DBF_CT_PAYLOAD	24
+	u8 payload[ZFCP_DBF_CT_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record_els {
+	u8 ls_code;
+	u32 payload_size;
+#define ZFCP_DBF_ELS_PAYLOAD	32
+#define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
+	u8 payload[ZFCP_DBF_ELS_PAYLOAD];
+} __attribute__ ((packed));
+
+struct zfcp_san_dbf_record {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u64 fsf_reqid;
+	u32 fsf_seqno;
+	u32 s_id;
+	u32 d_id;
+	union {
+		struct zfcp_san_dbf_record_ct ct;
+		struct zfcp_san_dbf_record_els els;
+	} type;
+} __attribute__ ((packed));
+
+struct zfcp_scsi_dbf_record {
+	u8 tag[ZFCP_DBF_TAG_SIZE];
+	u8 tag2[ZFCP_DBF_TAG_SIZE];
+	u32 scsi_id;
+	u32 scsi_lun;
+	u32 scsi_result;
+	u64 scsi_cmnd;
+	u64 scsi_serial;
+#define ZFCP_DBF_SCSI_OPCODE	16
+	u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
+	u8 scsi_retries;
+	u8 scsi_allowed;
+	u64 fsf_reqid;
+	u32 fsf_seqno;
+	u64 fsf_issued;
+	union {
+		struct {
+			u64 fsf_reqid;
+			u32 fsf_seqno;
+			u64 fsf_issued;
+		} new_fsf_req;
+		struct {
+			u8 rsp_validity;
+			u8 rsp_scsi_status;
+			u32 rsp_resid;
+			u8 rsp_code;
+#define ZFCP_DBF_SCSI_FCP_SNS_INFO	16
+#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO	256
+			u32 sns_info_len;
+			u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
+		} fcp;
+	} type;
+} __attribute__ ((packed));
+
 /*
  * FC-FS stuff
  */
@@ -339,34 +508,6 @@ struct zfcp_rc_entry {
  */
 #define ZFCP_CT_TIMEOUT			(3 * R_A_TOV)
 
-
-/***************** S390 DEBUG FEATURE SPECIFIC DEFINES ***********************/
-
-/* debug feature entries per adapter */
-#define ZFCP_ERP_DBF_INDEX     1 
-#define ZFCP_ERP_DBF_AREAS     2
-#define ZFCP_ERP_DBF_LENGTH    16
-#define ZFCP_ERP_DBF_LEVEL     3
-#define ZFCP_ERP_DBF_NAME      "zfcperp"
-
-#define ZFCP_CMD_DBF_INDEX     2
-#define ZFCP_CMD_DBF_AREAS     1
-#define ZFCP_CMD_DBF_LENGTH    8
-#define ZFCP_CMD_DBF_LEVEL     3
-#define ZFCP_CMD_DBF_NAME      "zfcpcmd"
-
-#define ZFCP_ABORT_DBF_INDEX   2
-#define ZFCP_ABORT_DBF_AREAS   1
-#define ZFCP_ABORT_DBF_LENGTH  8
-#define ZFCP_ABORT_DBF_LEVEL   6
-#define ZFCP_ABORT_DBF_NAME    "zfcpabt"
-
-#define ZFCP_IN_ELS_DBF_INDEX  2
-#define ZFCP_IN_ELS_DBF_AREAS  1
-#define ZFCP_IN_ELS_DBF_LENGTH 8
-#define ZFCP_IN_ELS_DBF_LEVEL  6
-#define ZFCP_IN_ELS_DBF_NAME   "zfcpels"
-
 /******************** LOGGING MACROS AND DEFINES *****************************/
 
 /*
@@ -501,6 +642,7 @@ do { \
 #define ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL	0x00000080
 #define ZFCP_STATUS_ADAPTER_ERP_PENDING		0x00000100
 #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED	0x00000200
+#define ZFCP_STATUS_ADAPTER_XPORT_OK		0x00000800
 
 #define ZFCP_STATUS_ADAPTER_SCSI_UP			\
 		(ZFCP_STATUS_COMMON_UNBLOCKED |	\
@@ -635,45 +777,6 @@ struct zfcp_adapter_mempool {
 	mempool_t *data_gid_pn;
 };
 
-struct  zfcp_exchange_config_data{
-};
-
-struct zfcp_open_port {
-        struct zfcp_port *port;
-};
-
-struct zfcp_close_port {
-	struct zfcp_port *port;
-};
-
-struct zfcp_open_unit {
-	struct zfcp_unit *unit;
-};
-
-struct zfcp_close_unit {
-	struct zfcp_unit *unit;
-};
-
-struct zfcp_close_physical_port {
-        struct zfcp_port *port;
-};
-
-struct zfcp_send_fcp_command_task {
-	struct zfcp_fsf_req *fsf_req;
-	struct zfcp_unit *unit;
- 	struct scsi_cmnd *scsi_cmnd;
-	unsigned long start_jiffies;
-};
-
-struct zfcp_send_fcp_command_task_management {
-	struct zfcp_unit *unit;
-};
-
-struct zfcp_abort_fcp_command {
-	struct zfcp_fsf_req *fsf_req;
-	struct zfcp_unit *unit;
-};
-
 /*
  * header for CT_IU
  */
@@ -702,7 +805,7 @@ struct ct_iu_gid_pn_req {
 /* FS_ACC IU and data unit for GID_PN nameserver request */
 struct ct_iu_gid_pn_resp {
 	struct ct_hdr header;
-	fc_id_t d_id;
+	u32 d_id;
 } __attribute__ ((packed));
 
 typedef void (*zfcp_send_ct_handler_t)(unsigned long);
@@ -768,7 +871,7 @@ typedef void (*zfcp_send_els_handler_t)(unsigned long);
 struct zfcp_send_els {
 	struct zfcp_adapter *adapter;
 	struct zfcp_port *port;
-	fc_id_t d_id;
+	u32 d_id;
 	struct scatterlist *req;
 	struct scatterlist *resp;
 	unsigned int req_count;
@@ -781,33 +884,6 @@ struct zfcp_send_els {
 	int status;
 };
 
-struct zfcp_status_read {
-	struct fsf_status_read_buffer *buffer;
-};
-
-struct zfcp_fsf_done {
-	struct completion *complete;
-	int status;
-};
-
-/* request specific data */
-union zfcp_req_data {
-	struct zfcp_exchange_config_data exchange_config_data;
-	struct zfcp_open_port		  open_port;
-	struct zfcp_close_port		  close_port;
-	struct zfcp_open_unit		  open_unit;
-	struct zfcp_close_unit		  close_unit;
-	struct zfcp_close_physical_port	  close_physical_port;
-	struct zfcp_send_fcp_command_task send_fcp_command_task;
-        struct zfcp_send_fcp_command_task_management
-					  send_fcp_command_task_management;
-	struct zfcp_abort_fcp_command	  abort_fcp_command;
-	struct zfcp_send_ct *send_ct;
-	struct zfcp_send_els *send_els;
-	struct zfcp_status_read 	  status_read;
-	struct fsf_qtcb_bottom_port *port_data;
-};
-
 struct zfcp_qdio_queue {
 	struct qdio_buffer *buffer[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */
 	u8		   free_index;	      /* index of next free bfr
@@ -838,21 +914,19 @@ struct zfcp_adapter {
 	atomic_t                refcount;          /* reference count */
 	wait_queue_head_t	remove_wq;         /* can be used to wait for
 						      refcount drop to zero */
-	wwn_t			wwnn;	           /* WWNN */
-	wwn_t			wwpn;	           /* WWPN */
-	fc_id_t			s_id;	           /* N_Port ID */
 	wwn_t			peer_wwnn;	   /* P2P peer WWNN */
 	wwn_t			peer_wwpn;	   /* P2P peer WWPN */
-	fc_id_t			peer_d_id;	   /* P2P peer D_ID */
+	u32			peer_d_id;	   /* P2P peer D_ID */
+	wwn_t			physical_wwpn;     /* WWPN of physical port */
+	u32			physical_s_id;     /* local FC port ID */
 	struct ccw_device       *ccw_device;	   /* S/390 ccw device */
 	u8			fc_service_class;
 	u32			fc_topology;	   /* FC topology */
-	u32			fc_link_speed;	   /* FC interface speed */
 	u32			hydra_version;	   /* Hydra version */
 	u32			fsf_lic_version;
-        u32			supported_features;/* of FCP channel */
+	u32			adapter_features;  /* FCP channel features */
+	u32			connection_features; /* host connection features */
         u32			hardware_version;  /* of FCP channel */
-        u8			serial_number[32]; /* of hardware */
 	struct Scsi_Host	*scsi_host;	   /* Pointer to mid-layer */
 	unsigned short          scsi_host_no;      /* Assigned host number */
 	unsigned char		name[9];
@@ -889,11 +963,18 @@ struct zfcp_adapter {
 	u32			erp_low_mem_count; /* nr of erp actions waiting
 						      for memory */
 	struct zfcp_port	*nameserver_port;  /* adapter's nameserver */
-        debug_info_t            *erp_dbf;          /* S/390 debug features */
-	debug_info_t            *abort_dbf;
-	debug_info_t            *in_els_dbf;
-	debug_info_t            *cmd_dbf;
-	spinlock_t              dbf_lock;
+	debug_info_t		*erp_dbf;
+	debug_info_t		*hba_dbf;
+	debug_info_t		*san_dbf;          /* debug feature areas */
+	debug_info_t		*scsi_dbf;
+	spinlock_t		erp_dbf_lock;
+	spinlock_t		hba_dbf_lock;
+	spinlock_t		san_dbf_lock;
+	spinlock_t		scsi_dbf_lock;
+	struct zfcp_erp_dbf_record	erp_dbf_buf;
+	struct zfcp_hba_dbf_record	hba_dbf_buf;
+	struct zfcp_san_dbf_record	san_dbf_buf;
+	struct zfcp_scsi_dbf_record	scsi_dbf_buf;
 	struct zfcp_adapter_mempool	pool;      /* Adapter memory pools */
 	struct qdio_initialize  qdio_init_data;    /* for qdio_establish */
 	struct device           generic_services;  /* directory for WKA ports */
@@ -919,7 +1000,7 @@ struct zfcp_port {
 	atomic_t	       status;	       /* status of this remote port */
 	wwn_t		       wwnn;	       /* WWNN if known */
 	wwn_t		       wwpn;	       /* WWPN */
-	fc_id_t		       d_id;	       /* D_ID */
+	u32		       d_id;	       /* D_ID */
 	u32		       handle;	       /* handle assigned by FSF */
 	struct zfcp_erp_action erp_action;     /* pending error recovery */
         atomic_t               erp_counter;
@@ -963,11 +1044,13 @@ struct zfcp_fsf_req {
 	u32		       fsf_command;    /* FSF Command copy */
 	struct fsf_qtcb	       *qtcb;	       /* address of associated QTCB */
 	u32		       seq_no;         /* Sequence number of request */
-        union zfcp_req_data    data;           /* Info fields of request */ 
+        unsigned long          data;           /* private data of request */ 
 	struct zfcp_erp_action *erp_action;    /* used if this request is
 						  issued on behalf of erp */
 	mempool_t	       *pool;	       /* used if request was alloacted
 						  from emergency pool */
+	unsigned long long     issued;         /* request sent time (STCK) */
+	struct zfcp_unit       *unit;
 };
 
 typedef void zfcp_fsf_req_handler_t(struct zfcp_fsf_req*);

drivers/s390/scsi/zfcp_erp.c

@@ -82,6 +82,7 @@ static int zfcp_erp_adapter_strategy_open(struct zfcp_erp_action *);
 static int zfcp_erp_adapter_strategy_open_qdio(struct zfcp_erp_action *);
 static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *);
 static int zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *);
+static int zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *);
 static int zfcp_erp_adapter_strategy_open_fsf_statusread(
 	struct zfcp_erp_action *);
 
@@ -345,13 +346,13 @@ zfcp_erp_adisc(struct zfcp_port *port)
 
 	/* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports
 	   without FC-AL-2 capability, so we don't set it */
-	adisc->wwpn = adapter->wwpn;
-	adisc->wwnn = adapter->wwnn;
-	adisc->nport_id = adapter->s_id;
+	adisc->wwpn = fc_host_port_name(adapter->scsi_host);
+	adisc->wwnn = fc_host_node_name(adapter->scsi_host);
+	adisc->nport_id = fc_host_port_id(adapter->scsi_host);
 	ZFCP_LOG_INFO("ADISC request from s_id 0x%08x to d_id 0x%08x "
 		      "(wwpn=0x%016Lx, wwnn=0x%016Lx, "
 		      "hard_nport_id=0x%08x, nport_id=0x%08x)\n",
-		      adapter->s_id, send_els->d_id, (wwn_t) adisc->wwpn,
+		      adisc->nport_id, send_els->d_id, (wwn_t) adisc->wwpn,
 		      (wwn_t) adisc->wwnn, adisc->hard_nport_id,
 		      adisc->nport_id);
 
@@ -404,7 +405,7 @@ zfcp_erp_adisc_handler(unsigned long data)
 	struct zfcp_send_els *send_els;
 	struct zfcp_port *port;
 	struct zfcp_adapter *adapter;
-	fc_id_t d_id;
+	u32 d_id;
 	struct zfcp_ls_adisc_acc *adisc;
 
 	send_els = (struct zfcp_send_els *) data;
@@ -435,9 +436,9 @@ zfcp_erp_adisc_handler(unsigned long data)
 	ZFCP_LOG_INFO("ADISC response from d_id 0x%08x to s_id "
 		      "0x%08x (wwpn=0x%016Lx, wwnn=0x%016Lx, "
 		      "hard_nport_id=0x%08x, nport_id=0x%08x)\n",
-		      d_id, adapter->s_id, (wwn_t) adisc->wwpn,
-		      (wwn_t) adisc->wwnn, adisc->hard_nport_id,
-		      adisc->nport_id);
+		      d_id, fc_host_port_id(adapter->scsi_host),
+		      (wwn_t) adisc->wwpn, (wwn_t) adisc->wwnn,
+		      adisc->hard_nport_id, adisc->nport_id);
 
 	/* set wwnn for port */
 	if (port->wwnn == 0)
@@ -886,7 +887,7 @@ static int
 zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 {
 	int retval = 0;
-	struct zfcp_fsf_req *fsf_req;
+	struct zfcp_fsf_req *fsf_req = NULL;
 	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	if (erp_action->fsf_req) {
@@ -896,7 +897,7 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 		list_for_each_entry(fsf_req, &adapter->fsf_req_list_head, list)
 		    if (fsf_req == erp_action->fsf_req)
 			break;
-		if (fsf_req == erp_action->fsf_req) {
+		if (fsf_req && (fsf_req->erp_action == erp_action)) {
 			/* fsf_req still exists */
 			debug_text_event(adapter->erp_dbf, 3, "a_ca_req");
 			debug_event(adapter->erp_dbf, 3, &fsf_req,
@@ -2258,16 +2259,21 @@ zfcp_erp_adapter_strategy_close_qdio(struct zfcp_erp_action *erp_action)
 static int
 zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *erp_action)
 {
-	int retval;
+	int xconfig, xport;
+
+	if (atomic_test_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
+			     &erp_action->adapter->status)) {
+		zfcp_erp_adapter_strategy_open_fsf_xport(erp_action);
+		atomic_set(&erp_action->adapter->erp_counter, 0);
+		return ZFCP_ERP_FAILED;
+	}
 
-	/* do 'exchange configuration data' */
-	retval = zfcp_erp_adapter_strategy_open_fsf_xconfig(erp_action);
-	if (retval == ZFCP_ERP_FAILED)
-		return retval;
+	xconfig = zfcp_erp_adapter_strategy_open_fsf_xconfig(erp_action);
+	xport   = zfcp_erp_adapter_strategy_open_fsf_xport(erp_action);
+	if ((xconfig == ZFCP_ERP_FAILED) || (xport == ZFCP_ERP_FAILED))
+		return ZFCP_ERP_FAILED;
 
-	/* start the desired number of Status Reads */
-	retval = zfcp_erp_adapter_strategy_open_fsf_statusread(erp_action);
-	return retval;
+	return zfcp_erp_adapter_strategy_open_fsf_statusread(erp_action);
 }
 
 /*
@@ -2291,7 +2297,9 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 		atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
 				  &adapter->status);
 		ZFCP_LOG_DEBUG("Doing exchange config data\n");
+		write_lock(&adapter->erp_lock);
 		zfcp_erp_action_to_running(erp_action);
+		write_unlock(&adapter->erp_lock);
 		zfcp_erp_timeout_init(erp_action);
 		if (zfcp_fsf_exchange_config_data(erp_action)) {
 			retval = ZFCP_ERP_FAILED;
@@ -2348,6 +2356,76 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 	return retval;
 }
 
+static int
+zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *erp_action)
+{
+	int retval = ZFCP_ERP_SUCCEEDED;
+	int retries;
+	int sleep;
+	struct zfcp_adapter *adapter = erp_action->adapter;
+
+	atomic_clear_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
+
+	for (retries = 0; ; retries++) {
+		ZFCP_LOG_DEBUG("Doing exchange port data\n");
+		zfcp_erp_action_to_running(erp_action);
+		zfcp_erp_timeout_init(erp_action);
+		if (zfcp_fsf_exchange_port_data(erp_action, adapter, NULL)) {
+			retval = ZFCP_ERP_FAILED;
+			debug_text_event(adapter->erp_dbf, 5, "a_fstx_xf");
+			ZFCP_LOG_INFO("error: initiation of exchange of "
+				      "port data failed for adapter %s\n",
+				      zfcp_get_busid_by_adapter(adapter));
+			break;
+		}
+		debug_text_event(adapter->erp_dbf, 6, "a_fstx_xok");
+		ZFCP_LOG_DEBUG("Xchange underway\n");
+
+		/*
+		 * Why this works:
+		 * Both the normal completion handler as well as the timeout
+		 * handler will do an 'up' when the 'exchange port data'
+		 * request completes or times out. Thus, the signal to go on
+		 * won't be lost utilizing this semaphore.
+		 * Furthermore, this 'adapter_reopen' action is
+		 * guaranteed to be the only action being there (highest action
+		 * which prevents other actions from being created).
+		 * Resulting from that, the wake signal recognized here
+		 * _must_ be the one belonging to the 'exchange port
+		 * data' request.
+		 */
+		down(&adapter->erp_ready_sem);
+		if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
+			ZFCP_LOG_INFO("error: exchange of port data "
+				      "for adapter %s timed out\n",
+				      zfcp_get_busid_by_adapter(adapter));
+			break;
+		}
+
+		if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
+				      &adapter->status))
+			break;
+
+		ZFCP_LOG_DEBUG("host connection still initialising... "
+			       "waiting and retrying...\n");
+		/* sleep a little bit before retry */
+		sleep = retries < ZFCP_EXCHANGE_PORT_DATA_SHORT_RETRIES ?
+				ZFCP_EXCHANGE_PORT_DATA_SHORT_SLEEP :
+				ZFCP_EXCHANGE_PORT_DATA_LONG_SLEEP;
+		msleep(jiffies_to_msecs(sleep));
+	}
+
+	if (atomic_test_mask(ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
+			     &adapter->status)) {
+		ZFCP_LOG_INFO("error: exchange of port data for "
+			      "adapter %s failed\n",
+			      zfcp_get_busid_by_adapter(adapter));
+		retval = ZFCP_ERP_FAILED;
+	}
+
+	return retval;
+}
+
 /*
  * function:	
  *
@@ -3194,11 +3272,19 @@ zfcp_erp_action_enqueue(int action,
 		/* fall through !!! */
 
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
-		if (atomic_test_mask
-		    (ZFCP_STATUS_COMMON_ERP_INUSE, &port->status)
-		    && port->erp_action.action ==
-		    ZFCP_ERP_ACTION_REOPEN_PORT_FORCED) {
-			debug_text_event(adapter->erp_dbf, 4, "pf_actenq_drp");
+		if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_INUSE,
+				     &port->status)) {
+			if (port->erp_action.action !=
+			    ZFCP_ERP_ACTION_REOPEN_PORT_FORCED) {
+				ZFCP_LOG_INFO("dropped erp action %i (port "
+					      "0x%016Lx, action in use: %i)\n",
+					      action, port->wwpn,
+					      port->erp_action.action);
+				debug_text_event(adapter->erp_dbf, 4,
+						 "pf_actenq_drp");
+			} else 
+				debug_text_event(adapter->erp_dbf, 4,
+						 "pf_actenq_drpcp");
 			debug_event(adapter->erp_dbf, 4, &port->wwpn,
 				    sizeof (wwn_t));
 			goto out;
@@ -3589,6 +3675,9 @@ zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter)
 	struct zfcp_port *port;
 	unsigned long flags;
 
+	if (adapter->connection_features & FSF_FEATURE_NPIV_MODE)
+		return;
+
 	debug_text_event(adapter->erp_dbf, 3, "a_access_recover");
 	debug_event(adapter->erp_dbf, 3, &adapter->name, 8);
 

drivers/s390/scsi/zfcp_ext.h

@@ -96,7 +96,8 @@ extern int  zfcp_fsf_open_unit(struct zfcp_erp_action *);
 extern int  zfcp_fsf_close_unit(struct zfcp_erp_action *);
 
 extern int  zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
-extern int  zfcp_fsf_exchange_port_data(struct zfcp_adapter *,
+extern int  zfcp_fsf_exchange_port_data(struct zfcp_erp_action *,
+					struct zfcp_adapter *,
 					struct fsf_qtcb_bottom_port *);
 extern int  zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
 				  u32, u32, struct zfcp_sg_list *);
@@ -109,7 +110,6 @@ extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
 			    struct zfcp_erp_action *);
 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
-extern int  zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *);
 extern int  zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
 					   struct zfcp_unit *,
 					   struct scsi_cmnd *,
@@ -182,9 +182,25 @@ extern void zfcp_erp_port_access_changed(struct zfcp_port *);
 extern void zfcp_erp_unit_access_changed(struct zfcp_unit *);
 
 /******************************** AUX ****************************************/
-extern void zfcp_cmd_dbf_event_fsf(const char *, struct zfcp_fsf_req *,
-				   void *, int);
-extern void zfcp_cmd_dbf_event_scsi(const char *, struct scsi_cmnd *);
-extern void zfcp_in_els_dbf_event(struct zfcp_adapter *, const char *,
-				  struct fsf_status_read_buffer *, int);
+extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
+extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
+					 struct fsf_status_read_buffer *);
+extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *,
+				    unsigned int, unsigned int, unsigned int,
+				    int, int);
+
+extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
+extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
+extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
+extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
+extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
+
+extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
+				       struct scsi_cmnd *);
+extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
+				      struct scsi_cmnd *,
+				      struct zfcp_fsf_req *);
+extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
+					 struct scsi_cmnd *);
+
 #endif	/* ZFCP_EXT_H */

drivers/s390/scsi/zfcp_fsf.h

@@ -116,6 +116,7 @@
 #define FSF_INVALID_COMMAND_OPTION              0x000000E5
 /* #define FSF_ERROR                             0x000000FF  */
 
+#define FSF_PROT_STATUS_QUAL_SIZE		16
 #define FSF_STATUS_QUALIFIER_SIZE		16
 
 /* FSF status qualifier, recommendations */
@@ -139,9 +140,18 @@
 #define FSF_SQ_CFDC_SUBTABLE_LUN		0x0004
 
 /* FSF status qualifier (most significant 4 bytes), local link down */
-#define FSF_PSQ_LINK_NOLIGHT			0x00000004
-#define FSF_PSQ_LINK_WRAPPLUG			0x00000008
-#define FSF_PSQ_LINK_NOFCP			0x00000010
+#define FSF_PSQ_LINK_NO_LIGHT			0x00000004
+#define FSF_PSQ_LINK_WRAP_PLUG			0x00000008
+#define FSF_PSQ_LINK_NO_FCP			0x00000010
+#define FSF_PSQ_LINK_FIRMWARE_UPDATE		0x00000020
+#define FSF_PSQ_LINK_INVALID_WWPN		0x00000100
+#define FSF_PSQ_LINK_NO_NPIV_SUPPORT		0x00000200
+#define FSF_PSQ_LINK_NO_FCP_RESOURCES		0x00000400
+#define FSF_PSQ_LINK_NO_FABRIC_RESOURCES	0x00000800
+#define FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE	0x00001000
+#define FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED	0x00002000
+#define FSF_PSQ_LINK_MODE_TABLE_CURRUPTED	0x00004000
+#define FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT		0x00008000
 
 /* payload size in status read buffer */
 #define FSF_STATUS_READ_PAYLOAD_SIZE		4032
@@ -154,15 +164,21 @@
 #define FSF_STATUS_READ_INCOMING_ELS		0x00000002
 #define FSF_STATUS_READ_SENSE_DATA_AVAIL        0x00000003
 #define FSF_STATUS_READ_BIT_ERROR_THRESHOLD	0x00000004
-#define FSF_STATUS_READ_LINK_DOWN		0x00000005 /* FIXME: really? */
+#define FSF_STATUS_READ_LINK_DOWN		0x00000005
 #define FSF_STATUS_READ_LINK_UP          	0x00000006
 #define FSF_STATUS_READ_CFDC_UPDATED		0x0000000A
 #define FSF_STATUS_READ_CFDC_HARDENED		0x0000000B
+#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT	0x0000000C
 
 /* status subtypes in status read buffer */
 #define FSF_STATUS_READ_SUB_CLOSE_PHYS_PORT	0x00000001
 #define FSF_STATUS_READ_SUB_ERROR_PORT		0x00000002
 
+/* status subtypes for link down */
+#define FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK	0x00000000
+#define FSF_STATUS_READ_SUB_FDISC_FAILED	0x00000001
+#define FSF_STATUS_READ_SUB_FIRMWARE_UPDATE	0x00000002
+
 /* status subtypes for CFDC */
 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE	0x00000002
 #define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F
@@ -193,11 +209,15 @@
 #define FSF_QTCB_LOG_SIZE			1024
 
 /* channel features */
-#define FSF_FEATURE_QTCB_SUPPRESSION            0x00000001
 #define FSF_FEATURE_CFDC			0x00000002
 #define FSF_FEATURE_LUN_SHARING			0x00000004
 #define FSF_FEATURE_HBAAPI_MANAGEMENT           0x00000010
 #define FSF_FEATURE_ELS_CT_CHAINED_SBALS        0x00000020
+#define FSF_FEATURE_UPDATE_ALERT		0x00000100
+
+/* host connection features */
+#define FSF_FEATURE_NPIV_MODE			0x00000001
+#define FSF_FEATURE_VM_ASSIGNED_WWPN		0x00000002
 
 /* option */
 #define FSF_OPEN_LUN_SUPPRESS_BOXING		0x00000001
@@ -305,15 +325,23 @@ struct fsf_qual_sequence_error {
 	u32 res1[3];
 } __attribute__ ((packed));
 
-struct fsf_qual_locallink_error {
-	u32 code;
-	u32 res1[3];
+struct fsf_link_down_info {
+	u32 error_code;
+	u32 res1;
+	u8 res2[2];
+	u8 primary_status;
+	u8 ioerr_code;
+	u8 action_code;
+	u8 reason_code;
+	u8 explanation_code;
+	u8 vendor_specific_code;
 } __attribute__ ((packed));
 
 union fsf_prot_status_qual {
+	u64 doubleword[FSF_PROT_STATUS_QUAL_SIZE / sizeof(u64)];
 	struct fsf_qual_version_error   version_error;
 	struct fsf_qual_sequence_error  sequence_error;
-	struct fsf_qual_locallink_error locallink_error;
+	struct fsf_link_down_info link_down_info;
 } __attribute__ ((packed));
 
 struct fsf_qtcb_prefix {
@@ -331,7 +359,9 @@ union fsf_status_qual {
 	u8  byte[FSF_STATUS_QUALIFIER_SIZE];
 	u16 halfword[FSF_STATUS_QUALIFIER_SIZE / sizeof (u16)];
 	u32 word[FSF_STATUS_QUALIFIER_SIZE / sizeof (u32)];
+	u64 doubleword[FSF_STATUS_QUALIFIER_SIZE / sizeof(u64)];
 	struct fsf_queue_designator fsf_queue_designator;
+	struct fsf_link_down_info link_down_info;
 } __attribute__ ((packed));
 
 struct fsf_qtcb_header {
@@ -406,8 +436,8 @@ struct fsf_qtcb_bottom_config {
 	u32 low_qtcb_version;
 	u32 max_qtcb_size;
 	u32 max_data_transfer_size;
-	u32 supported_features;
-	u8  res1[4];
+	u32 adapter_features;
+	u32 connection_features;
 	u32 fc_topology;
 	u32 fc_link_speed;
 	u32 adapter_type;
@@ -425,7 +455,7 @@ struct fsf_qtcb_bottom_config {
 } __attribute__ ((packed));
 
 struct fsf_qtcb_bottom_port {
-	u8 res1[8];
+	u64 wwpn;
 	u32 fc_port_id;
 	u32 port_type;
 	u32 port_state;

drivers/s390/scsi/zfcp_qdio.c

@@ -54,8 +54,7 @@ static inline int zfcp_qdio_sbals_from_buffer
 static qdio_handler_t zfcp_qdio_request_handler;
 static qdio_handler_t zfcp_qdio_response_handler;
 static int zfcp_qdio_handler_error_check(struct zfcp_adapter *,
-					 unsigned int,
-					 unsigned int, unsigned int);
+	unsigned int, unsigned int, unsigned int, int, int);
 
 #define ZFCP_LOG_AREA                   ZFCP_LOG_AREA_QDIO
 
@@ -214,22 +213,12 @@ zfcp_qdio_allocate(struct zfcp_adapter *adapter)
  *
  */
 static inline int
-zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter,
-			      unsigned int status,
-			      unsigned int qdio_error, unsigned int siga_error)
+zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter, unsigned int status,
+			      unsigned int qdio_error, unsigned int siga_error,
+			      int first_element, int elements_processed)
 {
 	int retval = 0;
 
-	if (ZFCP_LOG_CHECK(ZFCP_LOG_LEVEL_TRACE)) {
-		if (status & QDIO_STATUS_INBOUND_INT) {
-			ZFCP_LOG_TRACE("status is"
-				       " QDIO_STATUS_INBOUND_INT \n");
-		}
-		if (status & QDIO_STATUS_OUTBOUND_INT) {
-			ZFCP_LOG_TRACE("status is"
-				       " QDIO_STATUS_OUTBOUND_INT \n");
-		}
-	}
 	if (unlikely(status & QDIO_STATUS_LOOK_FOR_ERROR)) {
 		retval = -EIO;
 
@@ -237,9 +226,10 @@ zfcp_qdio_handler_error_check(struct zfcp_adapter *adapter,
 			      "qdio_error=0x%x, siga_error=0x%x)\n",
 			      status, qdio_error, siga_error);
 
-		/* Restarting IO on the failed adapter from scratch */
-		debug_text_event(adapter->erp_dbf, 1, "qdio_err");
+		zfcp_hba_dbf_event_qdio(adapter, status, qdio_error, siga_error,
+				first_element, elements_processed);
                /*
+               	* Restarting IO on the failed adapter from scratch.
                 * Since we have been using this adapter, it is save to assume
                 * that it is not failed but recoverable. The card seems to
                 * report link-up events by self-initiated queue shutdown.
@@ -282,7 +272,8 @@ zfcp_qdio_request_handler(struct ccw_device *ccw_device,
 		       first_element, elements_processed);
 
 	if (unlikely(zfcp_qdio_handler_error_check(adapter, status, qdio_error,
-					           siga_error)))
+						   siga_error, first_element,
+						   elements_processed)))
 		goto out;
 	/*
 	 * we stored address of struct zfcp_adapter  data structure
@@ -334,7 +325,8 @@ zfcp_qdio_response_handler(struct ccw_device *ccw_device,
 	queue = &adapter->response_queue;
 
 	if (unlikely(zfcp_qdio_handler_error_check(adapter, status, qdio_error,
-					           siga_error)))
+						   siga_error, first_element,
+						   elements_processed)))
 		goto out;
 
 	/*

drivers/s390/scsi/zfcp_scsi.c

@@ -44,7 +44,8 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *);
 static int zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *);
 static int zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *);
 static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *);
-static int zfcp_task_management_function(struct zfcp_unit *, u8);
+static int zfcp_task_management_function(struct zfcp_unit *, u8,
+					 struct scsi_cmnd *);
 
 static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *, int, scsi_id_t,
 					  scsi_lun_t);
@@ -242,7 +243,10 @@ static void
 zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result)
 {
 	set_host_byte(&scpnt->result, result);
-	zfcp_cmd_dbf_event_scsi("failing", scpnt);
+	if ((scpnt->device != NULL) && (scpnt->device->host != NULL))
+		zfcp_scsi_dbf_event_result("fail", 4,
+			(struct zfcp_adapter*) scpnt->device->host->hostdata[0],
+			scpnt);
 	/* return directly */
 	scpnt->scsi_done(scpnt);
 }
@@ -414,67 +418,38 @@ zfcp_port_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id)
 	return (struct zfcp_port *) NULL;
 }
 
-/*
- * function:	zfcp_scsi_eh_abort_handler
- *
- * purpose:	tries to abort the specified (timed out) SCSI command
- *
- * note: 	We do not need to care for a SCSI command which completes
- *		normally but late during this abort routine runs.
- *		We are allowed to return late commands to the SCSI stack.
- *		It tracks the state of commands and will handle late commands.
- *		(Usually, the normal completion of late commands is ignored with
- *		respect to the running abort operation. Grep for 'done_late'
- *		in the SCSI stacks sources.)
+/**
+ * zfcp_scsi_eh_abort_handler - abort the specified SCSI command
+ * @scpnt: pointer to scsi_cmnd to be aborted 
+ * Return: SUCCESS - command has been aborted and cleaned up in internal
+ *          bookkeeping, SCSI stack won't be called for aborted command
+ *         FAILED - otherwise
  *
- * returns:	SUCCESS	- command has been aborted and cleaned up in internal
- *			  bookkeeping,
- *			  SCSI stack won't be called for aborted command
- *		FAILED	- otherwise
+ * We do not need to care for a SCSI command which completes normally
+ * but late during this abort routine runs.  We are allowed to return
+ * late commands to the SCSI stack.  It tracks the state of commands and
+ * will handle late commands.  (Usually, the normal completion of late
+ * commands is ignored with respect to the running abort operation.)
  */
 int
-__zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
+zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 {
+ 	struct Scsi_Host *scsi_host;
+ 	struct zfcp_adapter *adapter;
+	struct zfcp_unit *unit;
 	int retval = SUCCESS;
-	struct zfcp_fsf_req *new_fsf_req, *old_fsf_req;
-	struct zfcp_adapter *adapter = (struct zfcp_adapter *) scpnt->device->host->hostdata[0];
-	struct zfcp_unit *unit = (struct zfcp_unit *) scpnt->device->hostdata;
-	struct zfcp_port *port = unit->port;
-	struct Scsi_Host *scsi_host = scpnt->device->host;
-	union zfcp_req_data *req_data = NULL;
+	struct zfcp_fsf_req *new_fsf_req = NULL;
+	struct zfcp_fsf_req *old_fsf_req;
 	unsigned long flags;
-	u32 status = 0;
-
-	/* the components of a abort_dbf record (fixed size record) */
-	u64 dbf_scsi_cmnd = (unsigned long) scpnt;
-	char dbf_opcode[ZFCP_ABORT_DBF_LENGTH];
-	wwn_t dbf_wwn = port->wwpn;
-	fcp_lun_t dbf_fcp_lun = unit->fcp_lun;
-	u64 dbf_retries = scpnt->retries;
-	u64 dbf_allowed = scpnt->allowed;
-	u64 dbf_timeout = 0;
-	u64 dbf_fsf_req = 0;
-	u64 dbf_fsf_status = 0;
-	u64 dbf_fsf_qual[2] = { 0, 0 };
-	char dbf_result[ZFCP_ABORT_DBF_LENGTH] = "##undef";
-
-	memset(dbf_opcode, 0, ZFCP_ABORT_DBF_LENGTH);
-	memcpy(dbf_opcode,
-	       scpnt->cmnd,
-	       min(scpnt->cmd_len, (unsigned char) ZFCP_ABORT_DBF_LENGTH));
+
+	scsi_host = scpnt->device->host;
+	adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
+	unit = (struct zfcp_unit *) scpnt->device->hostdata;
 
 	ZFCP_LOG_INFO("aborting scsi_cmnd=%p on adapter %s\n",
 		      scpnt, zfcp_get_busid_by_adapter(adapter));
 
-	spin_unlock_irq(scsi_host->host_lock);
-
-	/*
-	 * Race condition between normal (late) completion and abort has
-	 * to be avoided.
-	 * The entirity of all accesses to scsi_req have to be atomic.
-	 * scsi_req is usually part of the fsf_req and thus we block the
-	 * release of fsf_req as long as we need to access scsi_req.
-	 */
+	/* avoid race condition between late normal completion and abort */
 	write_lock_irqsave(&adapter->abort_lock, flags);
 
 	/*
@@ -484,144 +459,47 @@ __zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	 * this routine returns. (scpnt is parameter passed to this routine
 	 * and must not disappear during abort even on late completion.)
 	 */
-	req_data = (union zfcp_req_data *) scpnt->host_scribble;
-	/* DEBUG */
-	ZFCP_LOG_DEBUG("req_data=%p\n", req_data);
-	if (!req_data) {
-		ZFCP_LOG_DEBUG("late command completion overtook abort\n");
-		/*
-		 * That's it.
-		 * Do not initiate abort but return SUCCESS.
-		 */
-		write_unlock_irqrestore(&adapter->abort_lock, flags);
-		retval = SUCCESS;
-		strncpy(dbf_result, "##late1", ZFCP_ABORT_DBF_LENGTH);
-		goto out;
-	}
-
-	/* Figure out which fsf_req needs to be aborted. */
-	old_fsf_req = req_data->send_fcp_command_task.fsf_req;
-
-	dbf_fsf_req = (unsigned long) old_fsf_req;
-	dbf_timeout =
-	    (jiffies - req_data->send_fcp_command_task.start_jiffies) / HZ;
-
-	ZFCP_LOG_DEBUG("old_fsf_req=%p\n", old_fsf_req);
+	old_fsf_req = (struct zfcp_fsf_req *) scpnt->host_scribble;
 	if (!old_fsf_req) {
 		write_unlock_irqrestore(&adapter->abort_lock, flags);
-		ZFCP_LOG_NORMAL("bug: no old fsf request found\n");
-		ZFCP_LOG_NORMAL("req_data:\n");
-		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL,
-			      (char *) req_data, sizeof (union zfcp_req_data));
-		ZFCP_LOG_NORMAL("scsi_cmnd:\n");
-		ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL,
-			      (char *) scpnt, sizeof (struct scsi_cmnd));
-		retval = FAILED;
-		strncpy(dbf_result, "##bug:r", ZFCP_ABORT_DBF_LENGTH);
+		zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, new_fsf_req);
+		retval = SUCCESS;
 		goto out;
 	}
-	old_fsf_req->data.send_fcp_command_task.scsi_cmnd = NULL;
-	/* mark old request as being aborted */
+	old_fsf_req->data = 0;
 	old_fsf_req->status |= ZFCP_STATUS_FSFREQ_ABORTING;
-	/*
-	 * We have to collect all information (e.g. unit) needed by 
-	 * zfcp_fsf_abort_fcp_command before calling that routine
-	 * since that routine is not allowed to access
-	 * fsf_req which it is going to abort.
-	 * This is because of we need to release fsf_req_list_lock
-	 * before calling zfcp_fsf_abort_fcp_command.
-	 * Since this lock will not be held, fsf_req may complete
-	 * late and may be released meanwhile.
-	 */
-	ZFCP_LOG_DEBUG("unit 0x%016Lx (%p)\n", unit->fcp_lun, unit);
 
-	/*
-	 * We block (call schedule)
-	 * That's why we must release the lock and enable the
-	 * interrupts before.
-	 * On the other hand we do not need the lock anymore since
-	 * all critical accesses to scsi_req are done.
-	 */
+	/* don't access old_fsf_req after releasing the abort_lock */
 	write_unlock_irqrestore(&adapter->abort_lock, flags);
 	/* call FSF routine which does the abort */
 	new_fsf_req = zfcp_fsf_abort_fcp_command((unsigned long) old_fsf_req,
 						 adapter, unit, 0);
-	ZFCP_LOG_DEBUG("new_fsf_req=%p\n", new_fsf_req);
 	if (!new_fsf_req) {
+		ZFCP_LOG_INFO("error: initiation of Abort FCP Cmnd failed\n");
 		retval = FAILED;
-		ZFCP_LOG_NORMAL("error: initiation of Abort FCP Cmnd "
-				"failed\n");
-		strncpy(dbf_result, "##nores", ZFCP_ABORT_DBF_LENGTH);
 		goto out;
 	}
 
 	/* wait for completion of abort */
-	ZFCP_LOG_DEBUG("waiting for cleanup...\n");
-#if 1
-	/*
-	 * FIXME:
-	 * copying zfcp_fsf_req_wait_and_cleanup code is not really nice
-	 */
 	__wait_event(new_fsf_req->completion_wq,
 		     new_fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
-	status = new_fsf_req->status;
-	dbf_fsf_status = new_fsf_req->qtcb->header.fsf_status;
-	/*
-	 * Ralphs special debug load provides timestamps in the FSF
-	 * status qualifier. This might be specified later if being
-	 * useful for debugging aborts.
-	 */
-	dbf_fsf_qual[0] =
-	    *(u64 *) & new_fsf_req->qtcb->header.fsf_status_qual.word[0];
-	dbf_fsf_qual[1] =
-	    *(u64 *) & new_fsf_req->qtcb->header.fsf_status_qual.word[2];
-	zfcp_fsf_req_free(new_fsf_req);
-#else
-	retval = zfcp_fsf_req_wait_and_cleanup(new_fsf_req,
-					       ZFCP_UNINTERRUPTIBLE, &status);
-#endif
-	ZFCP_LOG_DEBUG("Waiting for cleanup complete, status=0x%x\n", status);
+
 	/* status should be valid since signals were not permitted */
-	if (status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED) {
+	if (new_fsf_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED) {
+		zfcp_scsi_dbf_event_abort("okay", adapter, scpnt, new_fsf_req);
 		retval = SUCCESS;
-		strncpy(dbf_result, "##succ", ZFCP_ABORT_DBF_LENGTH);
-	} else if (status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED) {
+	} else if (new_fsf_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED) {
+		zfcp_scsi_dbf_event_abort("lte2", adapter, scpnt, new_fsf_req);
 		retval = SUCCESS;
-		strncpy(dbf_result, "##late2", ZFCP_ABORT_DBF_LENGTH);
 	} else {
+		zfcp_scsi_dbf_event_abort("fail", adapter, scpnt, new_fsf_req);
 		retval = FAILED;
-		strncpy(dbf_result, "##fail", ZFCP_ABORT_DBF_LENGTH);
 	}
-
+	zfcp_fsf_req_free(new_fsf_req);
  out:
-	debug_event(adapter->abort_dbf, 1, &dbf_scsi_cmnd, sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_opcode, ZFCP_ABORT_DBF_LENGTH);
-	debug_event(adapter->abort_dbf, 1, &dbf_wwn, sizeof (wwn_t));
-	debug_event(adapter->abort_dbf, 1, &dbf_fcp_lun, sizeof (fcp_lun_t));
-	debug_event(adapter->abort_dbf, 1, &dbf_retries, sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_allowed, sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_timeout, sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_fsf_req, sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_fsf_status, sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_fsf_qual[0], sizeof (u64));
-	debug_event(adapter->abort_dbf, 1, &dbf_fsf_qual[1], sizeof (u64));
-	debug_text_event(adapter->abort_dbf, 1, dbf_result);
-
-	spin_lock_irq(scsi_host->host_lock);
 	return retval;
 }
 
-int
-zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
-{
-	int rc;
-	struct Scsi_Host *scsi_host = scpnt->device->host;
-	spin_lock_irq(scsi_host->host_lock);
-	rc = __zfcp_scsi_eh_abort_handler(scpnt);
-	spin_unlock_irq(scsi_host->host_lock);
-	return rc;
-}
-
 /*
  * function:	zfcp_scsi_eh_device_reset_handler
  *
@@ -651,8 +529,9 @@ zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
 	 */
 	if (!atomic_test_mask(ZFCP_STATUS_UNIT_NOTSUPPUNITRESET,
 			      &unit->status)) {
-		retval =
-		    zfcp_task_management_function(unit, FCP_LOGICAL_UNIT_RESET);
+		retval = zfcp_task_management_function(unit,
+						       FCP_LOGICAL_UNIT_RESET,
+						       scpnt);
 		if (retval) {
 			ZFCP_LOG_DEBUG("unit reset failed (unit=%p)\n", unit);
 			if (retval == -ENOTSUPP)
@@ -668,7 +547,7 @@ zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
 			goto out;
 		}
 	}
-	retval = zfcp_task_management_function(unit, FCP_TARGET_RESET);
+	retval = zfcp_task_management_function(unit, FCP_TARGET_RESET, scpnt);
 	if (retval) {
 		ZFCP_LOG_DEBUG("target reset failed (unit=%p)\n", unit);
 		retval = FAILED;
@@ -681,12 +560,12 @@ zfcp_scsi_eh_device_reset_handler(struct scsi_cmnd *scpnt)
 }
 
 static int
-zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags)
+zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags,
+			      struct scsi_cmnd *scpnt)
 {
 	struct zfcp_adapter *adapter = unit->port->adapter;
-	int retval;
-	int status;
 	struct zfcp_fsf_req *fsf_req;
+	int retval = 0;
 
 	/* issue task management function */
 	fsf_req = zfcp_fsf_send_fcp_command_task_management
@@ -696,70 +575,63 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags)
 			      "failed for unit 0x%016Lx on port 0x%016Lx on  "
 			      "adapter %s\n", unit->fcp_lun, unit->port->wwpn,
 			      zfcp_get_busid_by_adapter(adapter));
+		zfcp_scsi_dbf_event_devreset("nres", tm_flags, unit, scpnt);
 		retval = -ENOMEM;
 		goto out;
 	}
 
-	retval = zfcp_fsf_req_wait_and_cleanup(fsf_req,
-					       ZFCP_UNINTERRUPTIBLE, &status);
+	__wait_event(fsf_req->completion_wq,
+		     fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
+
 	/*
 	 * check completion status of task management function
-	 * (status should always be valid since no signals permitted)
 	 */
-	if (status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED)
+	if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) {
+		zfcp_scsi_dbf_event_devreset("fail", tm_flags, unit, scpnt);
 		retval = -EIO;
-	else if (status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP)
+	} else if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP) {
+		zfcp_scsi_dbf_event_devreset("nsup", tm_flags, unit, scpnt);
 		retval = -ENOTSUPP;
-	else
-		retval = 0;
+	} else
+		zfcp_scsi_dbf_event_devreset("okay", tm_flags, unit, scpnt);
+
+	zfcp_fsf_req_free(fsf_req);
  out:
 	return retval;
 }
 
-/*
- * function:	zfcp_scsi_eh_bus_reset_handler
- *
- * purpose:
- *
- * returns:
+/**
+ * zfcp_scsi_eh_bus_reset_handler - reset bus (reopen adapter)
  */
 int
 zfcp_scsi_eh_bus_reset_handler(struct scsi_cmnd *scpnt)
 {
-	int retval = 0;
-	struct zfcp_unit *unit;
+	struct zfcp_unit *unit = (struct zfcp_unit*) scpnt->device->hostdata;
+	struct zfcp_adapter *adapter = unit->port->adapter;
 
-	unit = (struct zfcp_unit *) scpnt->device->hostdata;
 	ZFCP_LOG_NORMAL("bus reset because of problems with "
 			"unit 0x%016Lx\n", unit->fcp_lun);
-	zfcp_erp_adapter_reopen(unit->port->adapter, 0);
-	zfcp_erp_wait(unit->port->adapter);
-	retval = SUCCESS;
+	zfcp_erp_adapter_reopen(adapter, 0);
+	zfcp_erp_wait(adapter);
 
-	return retval;
+	return SUCCESS;
 }
 
-/*
- * function:	zfcp_scsi_eh_host_reset_handler
- *
- * purpose:
- *
- * returns:
+/**
+ * zfcp_scsi_eh_host_reset_handler - reset host (reopen adapter)
  */
 int
 zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
 {
-	int retval = 0;
-	struct zfcp_unit *unit;
+	struct zfcp_unit *unit = (struct zfcp_unit*) scpnt->device->hostdata;
+	struct zfcp_adapter *adapter = unit->port->adapter;
 
-	unit = (struct zfcp_unit *) scpnt->device->hostdata;
 	ZFCP_LOG_NORMAL("host reset because of problems with "
 			"unit 0x%016Lx\n", unit->fcp_lun);
-	zfcp_erp_adapter_reopen(unit->port->adapter, 0);
-	zfcp_erp_wait(unit->port->adapter);
-	retval = SUCCESS;
+	zfcp_erp_adapter_reopen(adapter, 0);
+	zfcp_erp_wait(adapter);
 
-	return retval;
+	return SUCCESS;
 }
 
 /*
@@ -826,10 +698,16 @@ void
 zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
 {
 	struct Scsi_Host *shost;
+	struct zfcp_port *port;
 
 	shost = adapter->scsi_host;
 	if (!shost)
 		return;
+	read_lock_irq(&zfcp_data.config_lock);
+	list_for_each_entry(port, &adapter->port_list_head, list)
+		if (port->rport)
+			port->rport = NULL;
+	read_unlock_irq(&zfcp_data.config_lock);
 	fc_remove_host(shost);
 	scsi_remove_host(shost);
 	scsi_host_put(shost);
@@ -904,18 +782,6 @@ zfcp_get_node_name(struct scsi_target *starget)
 	read_unlock_irqrestore(&zfcp_data.config_lock, flags);
 }
 
-void
-zfcp_set_fc_host_attrs(struct zfcp_adapter *adapter)
-{
-	struct Scsi_Host *shost = adapter->scsi_host;
-
-	fc_host_node_name(shost) = adapter->wwnn;
-	fc_host_port_name(shost) = adapter->wwpn;
-	strncpy(fc_host_serial_number(shost), adapter->serial_number,
-                min(FC_SERIAL_NUMBER_SIZE, 32));
-	fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
-}
-
 struct fc_function_template zfcp_transport_functions = {
 	.get_starget_port_id = zfcp_get_port_id,
 	.get_starget_port_name = zfcp_get_port_name,
@@ -927,7 +793,10 @@ struct fc_function_template zfcp_transport_functions = {
 	.show_host_node_name = 1,
 	.show_host_port_name = 1,
 	.show_host_supported_classes = 1,
+	.show_host_maxframe_size = 1,
 	.show_host_serial_number = 1,
+	.show_host_speed = 1,
+	.show_host_port_id = 1,
 };
 
 /**

drivers/s390/scsi/zfcp_sysfs_adapter.c

@@ -62,21 +62,18 @@ static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, struct devi
 static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_adapter_##_name##_show, NULL);
 
 ZFCP_DEFINE_ADAPTER_ATTR(status, "0x%08x\n", atomic_read(&adapter->status));
-ZFCP_DEFINE_ADAPTER_ATTR(wwnn, "0x%016llx\n", adapter->wwnn);
-ZFCP_DEFINE_ADAPTER_ATTR(wwpn, "0x%016llx\n", adapter->wwpn);
-ZFCP_DEFINE_ADAPTER_ATTR(s_id, "0x%06x\n", adapter->s_id);
 ZFCP_DEFINE_ADAPTER_ATTR(peer_wwnn, "0x%016llx\n", adapter->peer_wwnn);
 ZFCP_DEFINE_ADAPTER_ATTR(peer_wwpn, "0x%016llx\n", adapter->peer_wwpn);
 ZFCP_DEFINE_ADAPTER_ATTR(peer_d_id, "0x%06x\n", adapter->peer_d_id);
+ZFCP_DEFINE_ADAPTER_ATTR(physical_wwpn, "0x%016llx\n", adapter->physical_wwpn);
+ZFCP_DEFINE_ADAPTER_ATTR(physical_s_id, "0x%06x\n", adapter->physical_s_id);
 ZFCP_DEFINE_ADAPTER_ATTR(card_version, "0x%04x\n", adapter->hydra_version);
 ZFCP_DEFINE_ADAPTER_ATTR(lic_version, "0x%08x\n", adapter->fsf_lic_version);
-ZFCP_DEFINE_ADAPTER_ATTR(fc_link_speed, "%d Gb/s\n", adapter->fc_link_speed);
 ZFCP_DEFINE_ADAPTER_ATTR(fc_service_class, "%d\n", adapter->fc_service_class);
 ZFCP_DEFINE_ADAPTER_ATTR(fc_topology, "%s\n",
 			 fc_topologies[adapter->fc_topology]);
 ZFCP_DEFINE_ADAPTER_ATTR(hardware_version, "0x%08x\n",
 			 adapter->hardware_version);
-ZFCP_DEFINE_ADAPTER_ATTR(serial_number, "%17s\n", adapter->serial_number);
 ZFCP_DEFINE_ADAPTER_ATTR(scsi_host_no, "0x%x\n", adapter->scsi_host_no);
 ZFCP_DEFINE_ADAPTER_ATTR(in_recovery, "%d\n", atomic_test_mask
 			 (ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status));
@@ -255,21 +252,18 @@ static struct attribute *zfcp_adapter_attrs[] = {
 	&dev_attr_in_recovery.attr,
 	&dev_attr_port_remove.attr,
 	&dev_attr_port_add.attr,
-	&dev_attr_wwnn.attr,
-	&dev_attr_wwpn.attr,
-	&dev_attr_s_id.attr,
 	&dev_attr_peer_wwnn.attr,
 	&dev_attr_peer_wwpn.attr,
 	&dev_attr_peer_d_id.attr,
+	&dev_attr_physical_wwpn.attr,
+	&dev_attr_physical_s_id.attr,
 	&dev_attr_card_version.attr,
 	&dev_attr_lic_version.attr,
-	&dev_attr_fc_link_speed.attr,
 	&dev_attr_fc_service_class.attr,
 	&dev_attr_fc_topology.attr,
 	&dev_attr_scsi_host_no.attr,
 	&dev_attr_status.attr,
 	&dev_attr_hardware_version.attr,
-	&dev_attr_serial_number.attr,
 	NULL
 };
 

drivers/scsi/aic7xxx/aic7xxx_osm.c

@@ -1109,15 +1109,6 @@ ahc_linux_register_host(struct ahc_softc *ahc, struct scsi_host_template *templa
 	return (0);
 }
 
-uint64_t
-ahc_linux_get_memsize(void)
-{
-	struct sysinfo si;
-
-	si_meminfo(&si);
-	return ((uint64_t)si.totalram << PAGE_SHIFT);
-}
-
 /*
  * Place the SCSI bus into a known state by either resetting it,
  * or forcing transfer negotiations on the next command to any

drivers/scsi/aic7xxx/aic7xxx_osm.h

@@ -494,8 +494,6 @@ ahc_insb(struct ahc_softc * ahc, long port, uint8_t *array, int count)
 int		ahc_linux_register_host(struct ahc_softc *,
 					struct scsi_host_template *);
 
-uint64_t	ahc_linux_get_memsize(void);
-
 /*************************** Pretty Printing **********************************/
 struct info_str {
 	char *buffer;

drivers/scsi/aic7xxx/aic7xxx_osm_pci.c

@@ -180,6 +180,7 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct		 ahc_pci_identity *entry;
 	char		*name;
 	int		 error;
+	struct device	*dev = &pdev->dev;
 
 	pci = pdev;
 	entry = ahc_find_pci_device(pci);
@@ -209,11 +210,12 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	pci_set_master(pdev);
 
 	if (sizeof(dma_addr_t) > 4
-	 && ahc_linux_get_memsize() > 0x80000000
-	 && pci_set_dma_mask(pdev, mask_39bit) == 0) {
+	    && ahc->features & AHC_LARGE_SCBS
+	    && dma_set_mask(dev, mask_39bit) == 0
+	    && dma_get_required_mask(dev) > DMA_32BIT_MASK) {
 		ahc->flags |= AHC_39BIT_ADDRESSING;
 	} else {
-		if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+		if (dma_set_mask(dev, DMA_32BIT_MASK)) {
 			printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
                 	return (-ENODEV);
 		}

drivers/scsi/atp870u.c

@@ -996,6 +996,7 @@ oktosend:
 #ifdef ED_DBGP		
 	printk("send_s870: prdaddr_2 0x%8x tmpcip %x target_id %d\n", dev->id[c][target_id].prdaddr,tmpcip,target_id);
 #endif	
+	dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus;
 	outl(dev->id[c][target_id].prdaddr, tmpcip);
 	tmpcip = tmpcip - 2;
 	outb(0x06, tmpcip);
@@ -2572,7 +2573,7 @@ static void atp870u_free_tables(struct Scsi_Host *host)
 		for (k = 0; k < 16; k++) {
 			if (!atp_dev->id[j][k].prd_table)
 				continue;
-			pci_free_consistent(atp_dev->pdev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prdaddr);
+			pci_free_consistent(atp_dev->pdev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prd_bus);
 			atp_dev->id[j][k].prd_table = NULL;
 		}
 	}
@@ -2584,12 +2585,13 @@ static int atp870u_init_tables(struct Scsi_Host *host)
 	int c,k;
 	for(c=0;c < 2;c++) {
 	   	for(k=0;k<16;k++) {
-	   			atp_dev->id[c][k].prd_table = pci_alloc_consistent(atp_dev->pdev, 1024, &(atp_dev->id[c][k].prdaddr));
+	   			atp_dev->id[c][k].prd_table = pci_alloc_consistent(atp_dev->pdev, 1024, &(atp_dev->id[c][k].prd_bus));
 	   			if (!atp_dev->id[c][k].prd_table) {
 	   				printk("atp870u_init_tables fail\n");
 				atp870u_free_tables(host);
 				return -ENOMEM;
 			}
+			atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus;
 			atp_dev->id[c][k].devsp=0x20;
 			atp_dev->id[c][k].devtype = 0x7f;
 			atp_dev->id[c][k].curr_req = NULL;			   

drivers/scsi/atp870u.h

@@ -54,8 +54,9 @@ struct atp_unit
 		unsigned long tran_len;
 		unsigned long last_len;
 		unsigned char *prd_pos;
-		unsigned char *prd_table;
-		dma_addr_t prdaddr;
+		unsigned char *prd_table;	/* Kernel address of PRD table */
+		dma_addr_t prd_bus;		/* Bus address of PRD */
+		dma_addr_t prdaddr;		/* Dynamically updated in driver */
 		struct scsi_cmnd *curr_req;
 	} id[2][16];
     	struct Scsi_Host *host;

drivers/scsi/fd_mcs.c

@@ -1360,3 +1360,5 @@ static Scsi_Host_Template driver_template = {
 	.use_clustering 		= DISABLE_CLUSTERING,
 };
 #include "scsi_module.c"
+
+MODULE_LICENSE("GPL");

drivers/scsi/hosts.c

@@ -98,6 +98,7 @@ int scsi_host_set_state(struct Scsi_Host *shost, enum scsi_host_state state)
 		switch (oldstate) {
 		case SHOST_CREATED:
 		case SHOST_RUNNING:
+		case SHOST_CANCEL_RECOVERY:
 			break;
 		default:
 			goto illegal;
@@ -107,12 +108,31 @@ int scsi_host_set_state(struct Scsi_Host *shost, enum scsi_host_state state)
 	case SHOST_DEL:
 		switch (oldstate) {
 		case SHOST_CANCEL:
+		case SHOST_DEL_RECOVERY:
 			break;
 		default:
 			goto illegal;
 		}
 		break;
 
+	case SHOST_CANCEL_RECOVERY:
+		switch (oldstate) {
+		case SHOST_CANCEL:
+		case SHOST_RECOVERY:
+			break;
+		default:
+			goto illegal;
+		}
+		break;
+
+	case SHOST_DEL_RECOVERY:
+		switch (oldstate) {
+		case SHOST_CANCEL_RECOVERY:
+			break;
+		default:
+			goto illegal;
+		}
+		break;
 	}
 	shost->shost_state = state;
 	return 0;
@@ -134,13 +154,24 @@ EXPORT_SYMBOL(scsi_host_set_state);
  **/
 void scsi_remove_host(struct Scsi_Host *shost)
 {
+	unsigned long flags;
 	down(&shost->scan_mutex);
-	scsi_host_set_state(shost, SHOST_CANCEL);
+	spin_lock_irqsave(shost->host_lock, flags);
+	if (scsi_host_set_state(shost, SHOST_CANCEL))
+		if (scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY)) {
+			spin_unlock_irqrestore(shost->host_lock, flags);
+			up(&shost->scan_mutex);
+			return;
+		}
+	spin_unlock_irqrestore(shost->host_lock, flags);
 	up(&shost->scan_mutex);
 	scsi_forget_host(shost);
 	scsi_proc_host_rm(shost);
 
-	scsi_host_set_state(shost, SHOST_DEL);
+	spin_lock_irqsave(shost->host_lock, flags);
+	if (scsi_host_set_state(shost, SHOST_DEL))
+		BUG_ON(scsi_host_set_state(shost, SHOST_DEL_RECOVERY));
+	spin_unlock_irqrestore(shost->host_lock, flags);
 
 	transport_unregister_device(&shost->shost_gendev);
 	class_device_unregister(&shost->shost_classdev);

drivers/scsi/ibmmca.c

@@ -460,6 +460,8 @@ MODULE_PARM(adisplay, "1i");
 MODULE_PARM(normal, "1i");
 MODULE_PARM(ansi, "1i");
 #endif
+
+MODULE_LICENSE("GPL");
 #endif
 /*counter of concurrent disk read/writes, to turn on/off disk led */
 static int disk_rw_in_progress = 0;

drivers/scsi/ibmvscsi/ibmvscsi.c

@@ -727,6 +727,16 @@ static void adapter_info_rsp(struct srp_event_struct *evt_struct)
 		if (hostdata->madapter_info.port_max_txu[0]) 
 			hostdata->host->max_sectors = 
 				hostdata->madapter_info.port_max_txu[0] >> 9;
+		
+		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);
+			hostdata->host->sg_tablesize = MAX_INDIRECT_BUFS;
+		}
 	}
 }
 

drivers/scsi/scsi.c

@@ -1265,9 +1265,8 @@ int scsi_device_cancel(struct scsi_device *sdev, int recovery)
 		list_for_each_safe(lh, lh_sf, &active_list) {
 			scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
 			list_del_init(lh);
-			if (recovery) {
-				scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD);
-			} else {
+			if (recovery &&
+			    !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD)) {
 				scmd->result = (DID_ABORT << 16);
 				scsi_finish_command(scmd);
 			}

drivers/scsi/scsi_devinfo.c

@@ -110,6 +110,7 @@ static struct {
 	{"RELISYS", "Scorpio", NULL, BLIST_NOLUN},	/* responds to all lun */
 	{"SANKYO", "CP525", "6.64", BLIST_NOLUN},	/* causes failed REQ SENSE, extra reset */
 	{"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN},
+	{"transtec", "T5008", "0001", BLIST_NOREPORTLUN },
 	{"YAMAHA", "CDR100", "1.00", BLIST_NOLUN},	/* locks up */
 	{"YAMAHA", "CDR102", "1.00", BLIST_NOLUN},	/* locks up */
 	{"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN},	/* locks up */

drivers/scsi/scsi_error.c

@@ -50,7 +50,7 @@
 void scsi_eh_wakeup(struct Scsi_Host *shost)
 {
 	if (shost->host_busy == shost->host_failed) {
-		up(shost->eh_wait);
+		wake_up_process(shost->ehandler);
 		SCSI_LOG_ERROR_RECOVERY(5,
 				printk("Waking error handler thread\n"));
 	}
@@ -68,19 +68,24 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag)
 {
 	struct Scsi_Host *shost = scmd->device->host;
 	unsigned long flags;
+	int ret = 0;
 
-	if (shost->eh_wait == NULL)
+	if (!shost->ehandler)
 		return 0;
 
 	spin_lock_irqsave(shost->host_lock, flags);
+	if (scsi_host_set_state(shost, SHOST_RECOVERY))
+		if (scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY))
+			goto out_unlock;
 
+	ret = 1;
 	scmd->eh_eflags |= eh_flag;
 	list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q);
-	scsi_host_set_state(shost, SHOST_RECOVERY);
 	shost->host_failed++;
 	scsi_eh_wakeup(shost);
+ out_unlock:
 	spin_unlock_irqrestore(shost->host_lock, flags);
-	return 1;
+	return ret;
 }
 
 /**
@@ -176,8 +181,8 @@ void scsi_times_out(struct scsi_cmnd *scmd)
 		}
 
 	if (unlikely(!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) {
-		panic("Error handler thread not present at %p %p %s %d",
-		      scmd, scmd->device->host, __FILE__, __LINE__);
+		scmd->result |= DID_TIME_OUT << 16;
+		__scsi_done(scmd);
 	}
 }
 
@@ -196,8 +201,7 @@ int scsi_block_when_processing_errors(struct scsi_device *sdev)
 {
 	int online;
 
-	wait_event(sdev->host->host_wait, (sdev->host->shost_state !=
-					   SHOST_RECOVERY));
+	wait_event(sdev->host->host_wait, !scsi_host_in_recovery(sdev->host));
 
 	online = scsi_device_online(sdev);
 
@@ -1441,6 +1445,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
 static void scsi_restart_operations(struct Scsi_Host *shost)
 {
 	struct scsi_device *sdev;
+	unsigned long flags;
 
 	/*
 	 * If the door was locked, we need to insert a door lock request
@@ -1460,7 +1465,11 @@ static void scsi_restart_operations(struct Scsi_Host *shost)
 	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: waking up host to restart\n",
 					  __FUNCTION__));
 
-	scsi_host_set_state(shost, SHOST_RUNNING);
+	spin_lock_irqsave(shost->host_lock, flags);
+	if (scsi_host_set_state(shost, SHOST_RUNNING))
+		if (scsi_host_set_state(shost, SHOST_CANCEL))
+			BUG_ON(scsi_host_set_state(shost, SHOST_DEL));
+	spin_unlock_irqrestore(shost->host_lock, flags);
 
 	wake_up(&shost->host_wait);
 
@@ -1582,40 +1591,31 @@ int scsi_error_handler(void *data)
 {
 	struct Scsi_Host *shost = (struct Scsi_Host *) data;
 	int rtn;
-	DECLARE_MUTEX_LOCKED(sem);
 
 	current->flags |= PF_NOFREEZE;
-	shost->eh_wait = &sem;
 
+	
 	/*
-	 * Wake up the thread that created us.
+	 * Note - we always use TASK_INTERRUPTIBLE even if the module
+	 * was loaded as part of the kernel.  The reason is that
+	 * UNINTERRUPTIBLE would cause this thread to be counted in
+	 * the load average as a running process, and an interruptible
+	 * wait doesn't.
 	 */
-	SCSI_LOG_ERROR_RECOVERY(3, printk("Wake up parent of"
-					  " scsi_eh_%d\n",shost->host_no));
-
-	while (1) {
-		/*
-		 * If we get a signal, it means we are supposed to go
-		 * away and die.  This typically happens if the user is
-		 * trying to unload a module.
-		 */
-		SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler"
-						  " scsi_eh_%d"
-						  " sleeping\n",shost->host_no));
-
-		/*
-		 * Note - we always use down_interruptible with the semaphore
-		 * even if the module was loaded as part of the kernel.  The
-		 * reason is that down() will cause this thread to be counted
-		 * in the load average as a running process, and down
-		 * interruptible doesn't.  Given that we need to allow this
-		 * thread to die if the driver was loaded as a module, using
-		 * semaphores isn't unreasonable.
-		 */
-		down_interruptible(&sem);
-		if (kthread_should_stop())
-			break;
+	set_current_state(TASK_INTERRUPTIBLE);
+	while (!kthread_should_stop()) {
+		if (shost->host_failed == 0 ||
+		    shost->host_failed != shost->host_busy) {
+			SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler"
+							  " scsi_eh_%d"
+							  " sleeping\n",
+							  shost->host_no));
+			schedule();
+			set_current_state(TASK_INTERRUPTIBLE);
+			continue;
+		}
 
+		__set_current_state(TASK_RUNNING);
 		SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler"
 						  " scsi_eh_%d waking"
 						  " up\n",shost->host_no));
@@ -1642,7 +1642,7 @@ int scsi_error_handler(void *data)
 		 * which are still online.
 		 */
 		scsi_restart_operations(shost);
-
+		set_current_state(TASK_INTERRUPTIBLE);
 	}
 
 	SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler scsi_eh_%d"
@@ -1651,7 +1651,7 @@ int scsi_error_handler(void *data)
 	/*
 	 * Make sure that nobody tries to wake us up again.
 	 */
-	shost->eh_wait = NULL;
+	shost->ehandler = NULL;
 	return 0;
 }
 

drivers/scsi/scsi_ioctl.c

@@ -458,7 +458,7 @@ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
 	 * error processing, as long as the device was opened
 	 * non-blocking */
 	if (filp && filp->f_flags & O_NONBLOCK) {
-		if (sdev->host->shost_state == SHOST_RECOVERY)
+		if (scsi_host_in_recovery(sdev->host))
 			return -ENODEV;
 	} else if (!scsi_block_when_processing_errors(sdev))
 		return -ENODEV;

drivers/scsi/scsi_lib.c

@@ -118,7 +118,6 @@ static void scsi_unprep_request(struct request *req)
 	req->flags &= ~REQ_DONTPREP;
 	req->special = (req->flags & REQ_SPECIAL) ? cmd->sc_request : NULL;
 
-	scsi_release_buffers(cmd);
 	scsi_put_command(cmd);
 }
 
@@ -140,14 +139,12 @@ static void scsi_unprep_request(struct request *req)
  *              commands.
  * Notes:       This could be called either from an interrupt context or a
  *              normal process context.
- * Notes:	Upon return, cmd is a stale pointer.
  */
 int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
 {
 	struct Scsi_Host *host = cmd->device->host;
 	struct scsi_device *device = cmd->device;
 	struct request_queue *q = device->request_queue;
-	struct request *req = cmd->request;
 	unsigned long flags;
 
 	SCSI_LOG_MLQUEUE(1,
@@ -188,9 +185,8 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
 	 * function.  The SCSI request function detects the blocked condition
 	 * and plugs the queue appropriately.
          */
-	scsi_unprep_request(req);
 	spin_lock_irqsave(q->queue_lock, flags);
-	blk_requeue_request(q, req);
+	blk_requeue_request(q, cmd->request);
 	spin_unlock_irqrestore(q->queue_lock, flags);
 
 	scsi_run_queue(q);
@@ -451,7 +447,7 @@ void scsi_device_unbusy(struct scsi_device *sdev)
 
 	spin_lock_irqsave(shost->host_lock, flags);
 	shost->host_busy--;
-	if (unlikely((shost->shost_state == SHOST_RECOVERY) &&
+	if (unlikely(scsi_host_in_recovery(shost) &&
 		     shost->host_failed))
 		scsi_eh_wakeup(shost);
 	spin_unlock(shost->host_lock);
@@ -1268,6 +1264,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
 			}
 		} else {
 			memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
+			cmd->cmd_len = req->cmd_len;
 			if (rq_data_dir(req) == WRITE)
 				cmd->sc_data_direction = DMA_TO_DEVICE;
 			else if (req->data_len)
@@ -1342,7 +1339,7 @@ static inline int scsi_host_queue_ready(struct request_queue *q,
 				   struct Scsi_Host *shost,
 				   struct scsi_device *sdev)
 {
-	if (shost->shost_state == SHOST_RECOVERY)
+	if (scsi_host_in_recovery(shost))
 		return 0;
 	if (shost->host_busy == 0 && shost->host_blocked) {
 		/*
@@ -1514,7 +1511,6 @@ static void scsi_request_fn(struct request_queue *q)
 	 * cases (host limits or settings) should run the queue at some
 	 * later time.
 	 */
-	scsi_unprep_request(req);
 	spin_lock_irq(q->queue_lock);
 	blk_requeue_request(q, req);
 	sdev->device_busy--;

drivers/scsi/scsi_scan.c

@@ -1466,23 +1466,17 @@ EXPORT_SYMBOL(scsi_scan_single_target);
 
 void scsi_forget_host(struct Scsi_Host *shost)
 {
-	struct scsi_target *starget, *tmp;
+	struct scsi_device *sdev;
 	unsigned long flags;
 
-	/*
-	 * Ok, this look a bit strange.  We always look for the first device
-	 * on the list as scsi_remove_device removes them from it - thus we
-	 * also have to release the lock.
-	 * We don't need to get another reference to the device before
-	 * releasing the lock as we already own the reference from
-	 * scsi_register_device that's release in scsi_remove_device.  And
-	 * after that we don't look at sdev anymore.
-	 */
+ restart:
 	spin_lock_irqsave(shost->host_lock, flags);
-	list_for_each_entry_safe(starget, tmp, &shost->__targets, siblings) {
+	list_for_each_entry(sdev, &shost->__devices, siblings) {
+		if (sdev->sdev_state == SDEV_DEL)
+			continue;
 		spin_unlock_irqrestore(shost->host_lock, flags);
-		scsi_remove_target(&starget->dev);
-		spin_lock_irqsave(shost->host_lock, flags);
+		__scsi_remove_device(sdev);
+		goto restart;
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }

drivers/scsi/scsi_sysfs.c

@@ -57,6 +57,8 @@ static struct {
 	{ SHOST_CANCEL, "cancel" },
 	{ SHOST_DEL, "deleted" },
 	{ SHOST_RECOVERY, "recovery" },
+	{ SHOST_CANCEL_RECOVERY, "cancel/recovery" },
+	{ SHOST_DEL_RECOVERY, "deleted/recovery", },
 };
 const char *scsi_host_state_name(enum scsi_host_state state)
 {
@@ -707,9 +709,11 @@ void __scsi_remove_device(struct scsi_device *sdev)
  **/
 void scsi_remove_device(struct scsi_device *sdev)
 {
-	down(&sdev->host->scan_mutex);
+	struct Scsi_Host *shost = sdev->host;
+
+	down(&shost->scan_mutex);
 	__scsi_remove_device(sdev);
-	up(&sdev->host->scan_mutex);
+	up(&shost->scan_mutex);
 }
 EXPORT_SYMBOL(scsi_remove_device);
 
@@ -717,17 +721,20 @@ void __scsi_remove_target(struct scsi_target *starget)
 {
 	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 	unsigned long flags;
-	struct scsi_device *sdev, *tmp;
+	struct scsi_device *sdev;
 
 	spin_lock_irqsave(shost->host_lock, flags);
 	starget->reap_ref++;
-	list_for_each_entry_safe(sdev, tmp, &shost->__devices, siblings) {
+ restart:
+	list_for_each_entry(sdev, &shost->__devices, siblings) {
 		if (sdev->channel != starget->channel ||
-		    sdev->id != starget->id)
+		    sdev->id != starget->id ||
+		    sdev->sdev_state == SDEV_DEL)
 			continue;
 		spin_unlock_irqrestore(shost->host_lock, flags);
 		scsi_remove_device(sdev);
 		spin_lock_irqsave(shost->host_lock, flags);
+		goto restart;
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 	scsi_target_reap(starget);

drivers/scsi/sd.c

@@ -235,6 +235,7 @@ static int sd_init_command(struct scsi_cmnd * SCpnt)
 			return 0;
 
 		memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
+		SCpnt->cmd_len = rq->cmd_len;
 		if (rq_data_dir(rq) == WRITE)
 			SCpnt->sc_data_direction = DMA_TO_DEVICE;
 		else if (rq->data_len)

drivers/scsi/sg.c

@@ -1027,7 +1027,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
 		if (sdp->detached)
 			return -ENODEV;
 		if (filp->f_flags & O_NONBLOCK) {
-			if (sdp->device->host->shost_state == SHOST_RECOVERY)
+			if (scsi_host_in_recovery(sdp->device->host))
 				return -EBUSY;
 		} else if (!scsi_block_when_processing_errors(sdp->device))
 			return -EBUSY;

drivers/scsi/sr.c

@@ -326,6 +326,7 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
 			return 0;
 
 		memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
+		SCpnt->cmd_len = rq->cmd_len;
 		if (!rq->data_len)
 			SCpnt->sc_data_direction = DMA_NONE;
 		else if (rq_data_dir(rq) == WRITE)

drivers/scsi/st.c

@@ -4206,6 +4206,7 @@ static int st_init_command(struct scsi_cmnd *SCpnt)
 		return 0;
 
 	memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
+	SCpnt->cmd_len = rq->cmd_len;
 
 	if (rq_data_dir(rq) == WRITE)
 		SCpnt->sc_data_direction = DMA_TO_DEVICE;

include/scsi/scsi_host.h

@@ -439,6 +439,8 @@ enum scsi_host_state {
 	SHOST_CANCEL,
 	SHOST_DEL,
 	SHOST_RECOVERY,
+	SHOST_CANCEL_RECOVERY,
+	SHOST_DEL_RECOVERY,
 };
 
 struct Scsi_Host {
@@ -465,8 +467,6 @@ struct Scsi_Host {
 
 	struct list_head	eh_cmd_q;
 	struct task_struct    * ehandler;  /* Error recovery thread. */
-	struct semaphore      * eh_wait;   /* The error recovery thread waits
-					      on this. */
 	struct semaphore      * eh_action; /* Wait for specific actions on the
                                           host. */
 	unsigned int            eh_active:1; /* Indicates the eh thread is awake and active if
@@ -621,6 +621,13 @@ static inline struct Scsi_Host *dev_to_shost(struct device *dev)
 	return container_of(dev, struct Scsi_Host, shost_gendev);
 }
 
+static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
+{
+	return shost->shost_state == SHOST_RECOVERY ||
+		shost->shost_state == SHOST_CANCEL_RECOVERY ||
+		shost->shost_state == SHOST_DEL_RECOVERY;
+}
+
 extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
 extern void scsi_flush_work(struct Scsi_Host *);
 

include/scsi/scsi_transport_fc.h

@@ -103,8 +103,8 @@ enum fc_port_state {
 					     incapable of reporting */
 #define FC_PORTSPEED_1GBIT		1
 #define FC_PORTSPEED_2GBIT		2
-#define FC_PORTSPEED_10GBIT		4
-#define FC_PORTSPEED_4GBIT		8
+#define FC_PORTSPEED_4GBIT		4
+#define FC_PORTSPEED_10GBIT		8
 #define FC_PORTSPEED_NOT_NEGOTIATED	(1 << 15) /* Speed not established */
 
 /*