[SCSI] qla2xxx: add support for NPIV

Following patch adds support for NPIV (N-Port ID Virtualization) to the
qla2xxx.

- supported within switched-fabric topologies only.
- supports up to 63 virtual ports on each physical port.

Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/qla2xxx/Makefile

@@ -1,4 +1,4 @@
 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
-		qla_dbg.o qla_sup.o qla_attr.o
+		qla_dbg.o qla_sup.o qla_attr.o qla_mid.o
 
 obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx.o

drivers/scsi/qla2xxx/qla_attr.c

@@ -6,8 +6,11 @@
  */
 #include "qla_def.h"
 
+#include <linux/kthread.h>
 #include <linux/vmalloc.h>
 
+int qla24xx_vport_disable(struct fc_vport *, bool);
+
 /* SYSFS attributes --------------------------------------------------------- */
 
 static ssize_t
@@ -959,6 +962,122 @@ qla2x00_get_host_port_state(struct Scsi_Host *shost)
 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 }
 
+static int
+qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
+{
+	int	ret = 0;
+	scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
+	scsi_qla_host_t *vha;
+
+	ret = qla24xx_vport_create_req_sanity_check(fc_vport);
+	if (ret) {
+		DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
+		    "status %x\n", ret));
+		return (ret);
+	}
+
+	vha = qla24xx_create_vhost(fc_vport);
+	if (vha == NULL) {
+		DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
+		    vha));
+		return FC_VPORT_FAILED;
+	}
+	if (disable) {
+		atomic_set(&vha->vp_state, VP_OFFLINE);
+		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
+	} else
+		atomic_set(&vha->vp_state, VP_FAILED);
+
+	/* ready to create vport */
+	qla_printk(KERN_INFO, vha, "VP entry id %d assigned.\n", vha->vp_idx);
+
+	/* initialized vport states */
+	atomic_set(&vha->loop_state, LOOP_DOWN);
+	vha->vp_err_state=  VP_ERR_PORTDWN;
+	vha->vp_prev_err_state=  VP_ERR_UNKWN;
+	/* Check if physical ha port is Up */
+	if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
+	    atomic_read(&ha->loop_state) == LOOP_DEAD) {
+		/* Don't retry or attempt login of this virtual port */
+		DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
+		    vha->host_no));
+		atomic_set(&vha->loop_state, LOOP_DEAD);
+		if (!disable)
+			fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
+	}
+
+	if (scsi_add_host(vha->host, &fc_vport->dev)) {
+		DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
+			vha->host_no, vha->vp_idx));
+		goto vport_create_failed_2;
+	}
+
+	/* initialize attributes */
+	fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
+	fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
+	fc_host_supported_classes(vha->host) =
+		fc_host_supported_classes(ha->host);
+	fc_host_supported_speeds(vha->host) =
+		fc_host_supported_speeds(ha->host);
+
+	qla24xx_vport_disable(fc_vport, disable);
+
+	return 0;
+vport_create_failed_2:
+	qla24xx_disable_vp(vha);
+	qla24xx_deallocate_vp_id(vha);
+	kfree(vha->port_name);
+	kfree(vha->node_name);
+	scsi_host_put(vha->host);
+	return FC_VPORT_FAILED;
+}
+
+int
+qla24xx_vport_delete(struct fc_vport *fc_vport)
+{
+	scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
+	scsi_qla_host_t *vha = fc_vport->dd_data;
+
+	qla24xx_disable_vp(vha);
+	qla24xx_deallocate_vp_id(vha);
+
+	down(&ha->vport_sem);
+	ha->cur_vport_count--;
+	clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map);
+	up(&ha->vport_sem);
+
+	kfree(vha->node_name);
+	kfree(vha->port_name);
+
+	if (vha->timer_active) {
+		qla2x00_vp_stop_timer(vha);
+		DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
+		    "has stopped\n",
+		    vha->host_no, vha->vp_idx, vha));
+        }
+
+	fc_remove_host(vha->host);
+
+	scsi_remove_host(vha->host);
+
+	scsi_host_put(vha->host);
+
+	return 0;
+}
+
+int
+qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
+{
+	scsi_qla_host_t *vha = fc_vport->dd_data;
+
+	if (disable)
+		qla24xx_disable_vp(vha);
+	else
+		qla24xx_enable_vp(vha);
+
+	return 0;
+}
+
 struct fc_function_template qla2xxx_transport_functions = {
 
 	.show_host_node_name = 1,
@@ -996,6 +1115,49 @@ struct fc_function_template qla2xxx_transport_functions = {
 
 	.issue_fc_host_lip = qla2x00_issue_lip,
 	.get_fc_host_stats = qla2x00_get_fc_host_stats,
+
+	.vport_create = qla24xx_vport_create,
+	.vport_disable = qla24xx_vport_disable,
+	.vport_delete = qla24xx_vport_delete,
+};
+
+struct fc_function_template qla2xxx_transport_vport_functions = {
+
+	.show_host_node_name = 1,
+	.show_host_port_name = 1,
+	.show_host_supported_classes = 1,
+
+	.get_host_port_id = qla2x00_get_host_port_id,
+	.show_host_port_id = 1,
+	.get_host_speed = qla2x00_get_host_speed,
+	.show_host_speed = 1,
+	.get_host_port_type = qla2x00_get_host_port_type,
+	.show_host_port_type = 1,
+	.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
+	.show_host_symbolic_name = 1,
+	.set_host_system_hostname = qla2x00_set_host_system_hostname,
+	.show_host_system_hostname = 1,
+	.get_host_fabric_name = qla2x00_get_host_fabric_name,
+	.show_host_fabric_name = 1,
+	.get_host_port_state = qla2x00_get_host_port_state,
+	.show_host_port_state = 1,
+
+	.dd_fcrport_size = sizeof(struct fc_port *),
+	.show_rport_supported_classes = 1,
+
+	.get_starget_node_name = qla2x00_get_starget_node_name,
+	.show_starget_node_name = 1,
+	.get_starget_port_name = qla2x00_get_starget_port_name,
+	.show_starget_port_name = 1,
+	.get_starget_port_id  = qla2x00_get_starget_port_id,
+	.show_starget_port_id = 1,
+
+	.get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
+	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
+	.show_rport_dev_loss_tmo = 1,
+
+	.issue_fc_host_lip = qla2x00_issue_lip,
+	.get_fc_host_stats = qla2x00_get_fc_host_stats,
 };
 
 void
@@ -1004,4 +1166,6 @@ qla2x00_init_host_attr(scsi_qla_host_t *ha)
 	fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
 	fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
 	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
+	fc_host_max_npiv_vports(ha->host) = MAX_NUM_VPORT_FABRIC;
+	fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count;
 }

drivers/scsi/qla2xxx/qla_dbg.h

@@ -21,6 +21,7 @@
 /* #define QL_DEBUG_LEVEL_12 */ /* Output IP trace msgs */
 /* #define QL_DEBUG_LEVEL_13 */ /* Output fdmi function trace msgs */
 /* #define QL_DEBUG_LEVEL_14 */ /* Output RSCN trace msgs */
+/* #define QL_DEBUG_LEVEL_15 */ /* Output NPIV trace msgs */
 /*
  *  Local Macro Definitions.
  */
@@ -30,7 +31,8 @@
     defined(QL_DEBUG_LEVEL_7)  || defined(QL_DEBUG_LEVEL_8) || \
     defined(QL_DEBUG_LEVEL_9)  || defined(QL_DEBUG_LEVEL_10) || \
     defined(QL_DEBUG_LEVEL_11) || defined(QL_DEBUG_LEVEL_12) || \
-    defined(QL_DEBUG_LEVEL_13) || defined(QL_DEBUG_LEVEL_14)
+    defined(QL_DEBUG_LEVEL_13) || defined(QL_DEBUG_LEVEL_14) || \
+    defined(QL_DEBUG_LEVEL_15)
     #define QL_DEBUG_ROUTINES
 #endif
 
@@ -125,6 +127,12 @@
 #define DEBUG14(x)	do {} while (0)
 #endif
 
+#if defined(QL_DEBUG_LEVEL_15)
+#define DEBUG15(x)      do {x;} while (0)
+#else
+#define DEBUG15(x)	do {} while (0)
+#endif
+
 /*
  * Firmware Dump structure definition
  */

drivers/scsi/qla2xxx/qla_def.h

@@ -1551,6 +1551,9 @@ typedef struct fc_port {
 
 	unsigned long last_queue_full;
 	unsigned long last_ramp_up;
+
+	struct list_head vp_fcport;
+	uint16_t vp_idx;
 } fc_port_t;
 
 /*
@@ -1999,6 +2002,36 @@ struct gid_list_info {
 };
 #define GID_LIST_SIZE (sizeof(struct gid_list_info) * MAX_FIBRE_DEVICES)
 
+/* NPIV */
+typedef struct vport_info {
+	uint8_t		port_name[WWN_SIZE];
+	uint8_t		node_name[WWN_SIZE];
+	int		vp_id;
+	uint16_t	loop_id;
+	unsigned long	host_no;
+	uint8_t		port_id[3];
+	int		loop_state;
+} vport_info_t;
+
+typedef struct vport_params {
+	uint8_t 	port_name[WWN_SIZE];
+	uint8_t 	node_name[WWN_SIZE];
+	uint32_t 	options;
+#define	VP_OPTS_RETRY_ENABLE	BIT_0
+#define	VP_OPTS_VP_DISABLE	BIT_1
+} vport_params_t;
+
+/* NPIV - return codes of VP create and modify */
+#define VP_RET_CODE_OK			0
+#define VP_RET_CODE_FATAL		1
+#define VP_RET_CODE_WRONG_ID		2
+#define VP_RET_CODE_WWPN		3
+#define VP_RET_CODE_RESOURCES		4
+#define VP_RET_CODE_NO_MEM		5
+#define VP_RET_CODE_NOT_FOUND		6
+
+#define to_qla_parent(x) (((x)->parent) ? (x)->parent : (x))
+
 /*
  * ISP operations
  */
@@ -2073,6 +2106,16 @@ struct qla_msix_entry {
 	uint16_t msix_entry;
 };
 
+#define	WATCH_INTERVAL		1       /* number of seconds */
+
+/* NPIV */
+#define MAX_MULTI_ID_LOOP                     126
+#define MAX_MULTI_ID_FABRIC                    64
+#define MAX_NUM_VPORT_LOOP                      (MAX_MULTI_ID_LOOP - 1)
+#define MAX_NUM_VPORT_FABRIC                    (MAX_MULTI_ID_FABRIC - 1)
+#define MAX_NUM_VHBA_LOOP                       (MAX_MULTI_ID_LOOP - 1)
+#define MAX_NUM_VHBA_FABRIC                     (MAX_MULTI_ID_FABRIC - 1)
+
 /*
  * Linux Host Adapter structure
  */
@@ -2108,6 +2151,8 @@ typedef struct scsi_qla_host {
 		uint32_t	msix_enabled		:1;
 		uint32_t	disable_serdes		:1;
 		uint32_t	gpsc_supported		:1;
+		uint32_t        vsan_enabled            :1;
+		uint32_t	npiv_supported		:1;
 	} flags;
 
 	atomic_t	loop_state;
@@ -2147,6 +2192,7 @@ typedef struct scsi_qla_host {
 #define BEACON_BLINK_NEEDED	25
 #define REGISTER_FDMI_NEEDED	26
 #define FCPORT_UPDATE_NEEDED	27
+#define VP_DPC_NEEDED		28	/* wake up for VP dpc handling */
 
 	uint32_t	device_flags;
 #define DFLG_LOCAL_DEVICES		BIT_0
@@ -2237,6 +2283,11 @@ typedef struct scsi_qla_host {
 
 	/* ISP configuration data. */
 	uint16_t	loop_id;		/* Host adapter loop id */
+	uint16_t	switch_cap;
+#define FLOGI_SEQ_DEL		BIT_8
+#define FLOGI_MID_SUPPORT	BIT_10
+#define FLOGI_VSAN_SUPPORT	BIT_12
+#define FLOGI_SP_SUPPORT	BIT_13
 	uint16_t	fb_rev;
 
 	port_id_t	d_id;			/* Host adapter port id */
@@ -2344,6 +2395,7 @@ typedef struct scsi_qla_host {
 #define MBX_UPDATE_FLASH_ACTIVE	3
 
 	struct semaphore mbx_cmd_sem;	/* Serialialize mbx access */
+	struct semaphore vport_sem;	/* Virtual port synchronization */
 	struct semaphore mbx_intr_sem;  /* Used for completion notification */
 
 	uint32_t	mbx_flags;
@@ -2428,6 +2480,37 @@ typedef struct scsi_qla_host {
 	struct fc_host_statistics fc_host_stat;
 
 	struct qla_msix_entry msix_entries[QLA_MSIX_ENTRIES];
+
+	struct list_head	vp_list;	/* list of VP */
+	struct fc_vport	*fc_vport;	/* holds fc_vport * for each vport */
+	uint8_t		vp_idx_map[16];
+	uint16_t        num_vhosts;	/* number of vports created */
+	uint16_t        num_vsans;	/* number of vsan created */
+	uint16_t        vp_idx;		/* vport ID */
+
+	struct scsi_qla_host	*parent;	/* holds pport */
+	unsigned long		vp_flags;
+	struct list_head	vp_fcports;	/* list of fcports */
+#define VP_IDX_ACQUIRED		0	/* bit no 0 */
+#define VP_CREATE_NEEDED	1
+#define VP_BIND_NEEDED		2
+#define VP_DELETE_NEEDED	3
+#define VP_SCR_NEEDED		4	/* State Change Request registration */
+	atomic_t 		vp_state;
+#define VP_OFFLINE		0
+#define VP_ACTIVE		1
+#define VP_FAILED		2
+// #define VP_DISABLE		3
+	uint16_t 	vp_err_state;
+	uint16_t	vp_prev_err_state;
+#define VP_ERR_UNKWN		0
+#define VP_ERR_PORTDWN		1
+#define VP_ERR_FAB_UNSUPPORTED	2
+#define VP_ERR_FAB_NORESOURCES	3
+#define VP_ERR_FAB_LOGOUT	4
+#define VP_ERR_ADAP_NORESOURCES	5
+	int		max_npiv_vports;	/* 63 or 125 per topoloty */
+	int		cur_vport_count;
 } scsi_qla_host_t;
 
 

drivers/scsi/qla2xxx/qla_fw.h

@@ -69,6 +69,16 @@ struct port_database_24xx {
 	uint8_t reserved_3[24];
 };
 
+struct vp_database_24xx {
+	uint16_t vp_status;
+	uint8_t  options;
+	uint8_t  id;
+	uint8_t  port_name[WWN_SIZE];
+	uint8_t  node_name[WWN_SIZE];
+	uint16_t port_id_low;
+	uint16_t port_id_high;
+};
+
 struct nvram_24xx {
 	/* NVRAM header. */
 	uint8_t id[4];
@@ -962,6 +972,25 @@ struct mid_db_24xx {
 	struct mid_db_entry_24xx entries[MAX_MID_VPS];
 };
 
+ /*
+ * Virtual Fabric ID type definition.
+ */
+typedef struct vf_id {
+        uint16_t id : 12;
+        uint16_t priority : 4;
+} vf_id_t;
+
+/*
+ * Virtual Fabric HopCt type definition.
+ */
+typedef struct vf_hopct {
+        uint16_t reserved : 8;
+        uint16_t hopct : 8;
+} vf_hopct_t;
+
+/*
+ * Virtual Port Control IOCB
+ */
 #define VP_CTRL_IOCB_TYPE	0x30	/* Vitual Port Control entry. */
 struct vp_ctrl_entry_24xx {
 	uint8_t entry_type;		/* Entry type. */
@@ -974,6 +1003,7 @@ struct vp_ctrl_entry_24xx {
 	uint16_t vp_idx_failed;
 
 	uint16_t comp_status;		/* Completion status. */
+#define CS_VCE_IOCB_ERROR       0x01    /* Error processing IOCB */
 #define CS_VCE_ACQ_ID_ERROR	0x02	/* Error while acquireing ID. */
 #define CS_VCE_BUSY		0x05	/* Firmware not ready to accept cmd. */
 
@@ -982,24 +1012,34 @@ struct vp_ctrl_entry_24xx {
 #define VCE_COMMAND_DISABLE_VPS	0x08	/* Disable VPs. */
 #define VCE_COMMAND_DISABLE_VPS_REINIT	0x09 /* Disable VPs and reinit link. */
 #define VCE_COMMAND_DISABLE_VPS_LOGO	0x0a /* Disable VPs and LOGO ports. */
+#define VCE_COMMAND_DISABLE_VPS_LOGO_ALL        0x0b /* Disable VPs and LOGO ports. */
 
 	uint16_t vp_count;
 
 	uint8_t vp_idx_map[16];
-
-	uint8_t reserved_4[32];
+	uint16_t flags;
+	struct vf_id    id;
+	uint16_t reserved_4;
+	struct vf_hopct  hopct;
+	uint8_t reserved_5[8];
 };
 
+/*
+ * Modify Virtual Port Configuration IOCB
+ */
 #define VP_CONFIG_IOCB_TYPE	0x31	/* Vitual Port Config entry. */
 struct vp_config_entry_24xx {
 	uint8_t entry_type;		/* Entry type. */
 	uint8_t entry_count;		/* Entry count. */
-	uint8_t sys_define;		/* System defined. */
+	uint8_t handle_count;
 	uint8_t entry_status;		/* Entry Status. */
 
 	uint32_t handle;		/* System handle. */
 
-	uint16_t reserved_1;
+	uint16_t flags;
+#define CS_VF_BIND_VPORTS_TO_VF         BIT_0
+#define CS_VF_SET_QOS_OF_VPORTS         BIT_1
+#define CS_VF_SET_HOPS_OF_VPORTS        BIT_2
 
 	uint16_t comp_status;		/* Completion status. */
 #define CS_VCT_STS_ERROR	0x01	/* Specified VPs were not disabled. */
@@ -1009,27 +1049,29 @@ struct vp_config_entry_24xx {
 #define CS_VCT_BUSY		0x05	/* Firmware not ready to accept cmd. */
 
 	uint8_t command;
-#define VCT_COMMAND_MOD_VPS	0x00	/* Enable VPs. */
-#define VCT_COMMAND_MOD_ENABLE_VPS 0x08	/* Disable VPs. */
+#define VCT_COMMAND_MOD_VPS     0x00    /* Modify VP configurations. */
+#define VCT_COMMAND_MOD_ENABLE_VPS 0x01 /* Modify configuration & enable VPs. */
 
 	uint8_t vp_count;
 
-	uint8_t vp_idx1;
-	uint8_t vp_idx2;
+	uint8_t vp_index1;
+	uint8_t vp_index2;
 
 	uint8_t options_idx1;
 	uint8_t hard_address_idx1;
-	uint16_t reserved_2;
+	uint16_t reserved_vp1;
 	uint8_t port_name_idx1[WWN_SIZE];
 	uint8_t node_name_idx1[WWN_SIZE];
 
 	uint8_t options_idx2;
 	uint8_t hard_address_idx2;
-	uint16_t reserved_3;
+	uint16_t reserved_vp2;
 	uint8_t port_name_idx2[WWN_SIZE];
 	uint8_t node_name_idx2[WWN_SIZE];
-
-	uint8_t reserved_4[8];
+	struct vf_id    id;
+	uint16_t reserved_4;
+	struct vf_hopct  hopct;
+	uint8_t reserved_5;
 };
 
 #define VP_RPT_ID_IOCB_TYPE	0x32	/* Report ID Acquisition entry. */
@@ -1054,5 +1096,30 @@ struct vp_rpt_id_entry_24xx {
 	uint8_t reserved_4[32];
 };
 
+#define VF_EVFP_IOCB_TYPE       0x26    /* Exchange Virtual Fabric Parameters entry. */
+struct vf_evfp_entry_24xx {
+        uint8_t entry_type;             /* Entry type. */
+        uint8_t entry_count;            /* Entry count. */
+        uint8_t sys_define;             /* System defined. */
+        uint8_t entry_status;           /* Entry Status. */
+
+        uint32_t handle;                /* System handle. */
+        uint16_t comp_status;           /* Completion status. */
+        uint16_t timeout;               /* timeout */
+        uint16_t adim_tagging_mode;
+
+        uint16_t vfport_id;
+        uint32_t exch_addr;
+
+        uint16_t nport_handle;          /* N_PORT handle. */
+        uint16_t control_flags;
+        uint32_t io_parameter_0;
+        uint32_t io_parameter_1;
+        uint32_t tx_address[2];         /* Data segment 0 address. */
+        uint32_t tx_len;                /* Data segment 0 length. */
+        uint32_t rx_address[2];         /* Data segment 1 address. */
+        uint32_t rx_len;                /* Data segment 1 length. */
+};
+
 /* END MID Support ***********************************************************/
 #endif

drivers/scsi/qla2xxx/qla_gbl.h

@@ -62,6 +62,38 @@ extern int ql2xfdmienable;
 extern int ql2xallocfwdump;
 extern int ql2xextended_error_logging;
 extern int ql2xqfullrampup;
+extern int num_hosts;
+
+/*
+ * Global Functions in qla_mid.c source file.
+ */
+extern struct scsi_host_template qla2x00_driver_template;
+extern struct scsi_host_template qla24xx_driver_template;
+extern struct scsi_transport_template *qla2xxx_transport_vport_template;
+extern uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
+extern void qla2x00_timer(scsi_qla_host_t *);
+extern void qla2x00_start_timer(scsi_qla_host_t *, void *, unsigned long);
+extern void qla2x00_stop_timer(scsi_qla_host_t *);
+extern uint32_t qla24xx_allocate_vp_id(scsi_qla_host_t *);
+extern void qla24xx_deallocate_vp_id(scsi_qla_host_t *);
+extern int qla24xx_disable_vp (scsi_qla_host_t *);
+extern int qla24xx_enable_vp (scsi_qla_host_t *);
+extern void qla2x00_mem_free(scsi_qla_host_t *);
+extern int qla24xx_control_vp(scsi_qla_host_t *, int );
+extern int qla24xx_modify_vp_config(scsi_qla_host_t *);
+extern int qla2x00_send_change_request(scsi_qla_host_t *, uint16_t, uint16_t);
+extern void qla2x00_vp_stop_timer(scsi_qla_host_t *);
+extern int qla24xx_configure_vhba (scsi_qla_host_t *);
+extern int qla24xx_get_vp_entry(scsi_qla_host_t *, uint16_t, int);
+extern int qla24xx_get_vp_database(scsi_qla_host_t *, uint16_t);
+extern int qla2x00_do_dpc_vp(scsi_qla_host_t *);
+extern void qla24xx_report_id_acquisition(scsi_qla_host_t *,
+    struct vp_rpt_id_entry_24xx *);
+extern scsi_qla_host_t * qla24xx_find_vhost_by_name(scsi_qla_host_t *,
+    uint8_t *);
+extern void qla2x00_do_dpc_all_vps(scsi_qla_host_t *);
+extern int qla24xx_vport_create_req_sanity_check(struct fc_vport *);
+extern scsi_qla_host_t * qla24xx_create_vhost(struct fc_vport *);
 
 extern void qla2x00_sp_compl(scsi_qla_host_t *, srb_t *);
 
@@ -77,6 +109,10 @@ extern struct fw_blob *qla2x00_request_firmware(scsi_qla_host_t *);
 extern int qla2x00_wait_for_hba_online(scsi_qla_host_t *);
 
 extern void qla2xxx_wake_dpc(scsi_qla_host_t *);
+extern void qla2x00_alert_all_vps(scsi_qla_host_t *, uint16_t *);
+extern void qla2x00_async_event(scsi_qla_host_t *, uint16_t *);
+extern void qla2x00_vp_abort_isp(scsi_qla_host_t *);
+extern int qla24xx_vport_delete(struct fc_vport *);
 
 /*
  * Global Function Prototypes in qla_iocb.c source file.
@@ -128,7 +164,7 @@ qla2x00_abort_target(fc_port_t *);
 
 extern int
 qla2x00_get_adapter_id(scsi_qla_host_t *, uint16_t *, uint8_t *, uint8_t *,
-    uint8_t *, uint16_t *);
+    uint8_t *, uint16_t *, uint16_t *);
 
 extern int
 qla2x00_get_retry_cnt(scsi_qla_host_t *, uint8_t *, uint8_t *, uint16_t *);
@@ -303,6 +339,7 @@ struct class_device_attribute;
 extern struct class_device_attribute *qla2x00_host_attrs[];
 struct fc_function_template;
 extern struct fc_function_template qla2xxx_transport_functions;
+extern struct fc_function_template qla2xxx_transport_vport_functions;
 extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
 extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
 extern void qla2x00_init_host_attr(scsi_qla_host_t *);

drivers/scsi/qla2xxx/qla_gs.c

@@ -88,6 +88,7 @@ qla24xx_prep_ms_iocb(scsi_qla_host_t *ha, uint32_t req_size, uint32_t rsp_size)
 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
+	ct_pkt->vp_index = ha->vp_idx;
 
 	return (ct_pkt);
 }
@@ -1186,6 +1187,7 @@ qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
+	ct_pkt->vp_index = ha->vp_idx;
 
 	return ct_pkt;
 }
@@ -1746,6 +1748,7 @@ qla24xx_prep_ms_fm_iocb(scsi_qla_host_t *ha, uint32_t req_size,
 	ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
 	ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
 	ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
+	ct_pkt->vp_index = ha->vp_idx;
 
 	return ct_pkt;
 }

drivers/scsi/qla2xxx/qla_init.c

@@ -899,6 +899,10 @@ qla2x00_setup_chip(scsi_qla_host_t *ha)
 				    &ha->fw_subminor_version,
 				    &ha->fw_attributes, &ha->fw_memory_size);
 				qla2x00_resize_request_q(ha);
+				ha->flags.npiv_supported = 0;
+				if (IS_QLA24XX(ha) &&
+				    (ha->fw_attributes & BIT_2))
+					ha->flags.npiv_supported = 1;
 
 				if (ql2xallocfwdump)
 					qla2x00_alloc_fw_dump(ha);
@@ -1101,6 +1105,8 @@ qla2x00_init_rings(scsi_qla_host_t *ha)
 	int	rval;
 	unsigned long flags = 0;
 	int cnt;
+	struct mid_init_cb_24xx *mid_init_cb =
+	    (struct mid_init_cb_24xx *) ha->init_cb;
 
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 
@@ -1132,6 +1138,10 @@ qla2x00_init_rings(scsi_qla_host_t *ha)
 	ha->isp_ops.update_fw_options(ha);
 
 	DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
+
+	mid_init_cb->count = MAX_NUM_VPORT_FABRIC;
+	ha->max_npiv_vports = MAX_NUM_VPORT_FABRIC;
+
 	rval = qla2x00_init_firmware(ha, ha->init_cb_size);
 	if (rval) {
 		DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
@@ -1263,6 +1273,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 	int       rval;
 	uint16_t      loop_id;
 	uint16_t      topo;
+	uint16_t      sw_cap;
 	uint8_t       al_pa;
 	uint8_t       area;
 	uint8_t       domain;
@@ -1270,7 +1281,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 
 	/* Get host addresses. */
 	rval = qla2x00_get_adapter_id(ha,
-	    &loop_id, &al_pa, &area, &domain, &topo);
+	    &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
 	if (rval != QLA_SUCCESS) {
 		if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
 		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
@@ -1295,6 +1306,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 	/* initialize */
 	ha->min_external_loopid = SNS_FIRST_LOOP_ID;
 	ha->operating_mode = LOOP;
+	ha->switch_cap = 0;
 
 	switch (topo) {
 	case 0:
@@ -1307,6 +1319,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 	case 1:
 		DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
 		    ha->host_no));
+		ha->switch_cap = sw_cap;
 		ha->current_topology = ISP_CFG_FL;
 		strcpy(connect_type, "(FL_Port)");
 		break;
@@ -1322,6 +1335,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 	case 3:
 		DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
 		    ha->host_no));
+		ha->switch_cap = sw_cap;
 		ha->operating_mode = P2P;
 		ha->current_topology = ISP_CFG_F;
 		strcpy(connect_type, "(F_Port)");
@@ -1743,7 +1757,6 @@ qla2x00_rport_del(void *data)
 	spin_unlock_irqrestore(&fcport->rport_lock, flags);
 	if (rport)
 		fc_remote_port_delete(rport);
-
 }
 
 /**
@@ -1765,6 +1778,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
 	/* Setup fcport template structure. */
 	memset(fcport, 0, sizeof (fc_port_t));
 	fcport->ha = ha;
+	fcport->vp_idx = ha->vp_idx;
 	fcport->port_type = FCT_UNKNOWN;
 	fcport->loop_id = FC_NO_LOOP_ID;
 	atomic_set(&fcport->state, FCS_UNCONFIGURED);
@@ -1911,6 +1925,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
 	char		*id_iter;
 	uint16_t	loop_id;
 	uint8_t		domain, area, al_pa;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	found_devs = 0;
 	new_fcport = NULL;
@@ -1942,7 +1957,10 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
 	/*
 	 * Mark local devices that were present with FCF_DEVICE_LOST for now.
 	 */
-	list_for_each_entry(fcport, &ha->fcports, list) {
+	list_for_each_entry(fcport, &pha->fcports, list) {
+		if (fcport->vp_idx != ha->vp_idx)
+			continue;
+
 		if (atomic_read(&fcport->state) == FCS_ONLINE &&
 		    fcport->port_type != FCT_BROADCAST &&
 		    (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
@@ -1988,6 +2006,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
 		new_fcport->d_id.b.area = area;
 		new_fcport->d_id.b.al_pa = al_pa;
 		new_fcport->loop_id = loop_id;
+		new_fcport->vp_idx = ha->vp_idx;
 		rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
 		if (rval2 != QLA_SUCCESS) {
 			DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
@@ -2003,7 +2022,10 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
 		/* Check for matching device in port list. */
 		found = 0;
 		fcport = NULL;
-		list_for_each_entry(fcport, &ha->fcports, list) {
+		list_for_each_entry(fcport, &pha->fcports, list) {
+			if (fcport->vp_idx != ha->vp_idx)
+				continue;
+
 			if (memcmp(new_fcport->port_name, fcport->port_name,
 			    WWN_SIZE))
 				continue;
@@ -2023,7 +2045,13 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
 		if (!found) {
 			/* New device, add to fcports list. */
 			new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
-			list_add_tail(&new_fcport->list, &ha->fcports);
+			if (ha->parent) {
+				new_fcport->ha = ha;
+				new_fcport->vp_idx = ha->vp_idx;
+				list_add_tail(&new_fcport->vp_fcport,
+				    &ha->vp_fcports);
+			}
+			list_add_tail(&new_fcport->list, &pha->fcports);
 
 			/* Allocate a new replacement fcport. */
 			fcport = new_fcport;
@@ -2199,11 +2227,13 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
 void
 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
 {
+	scsi_qla_host_t *pha = to_qla_parent(ha);
+
 	fcport->ha = ha;
 	fcport->login_retry = 0;
-	fcport->port_login_retry_count = ha->port_down_retry_count *
+	fcport->port_login_retry_count = pha->port_down_retry_count *
 	    PORT_RETRY_TIME;
-	atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
+	atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
 	    PORT_RETRY_TIME);
 	fcport->flags &= ~FCF_LOGIN_NEEDED;
 
@@ -2234,6 +2264,7 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
 	uint16_t	mb[MAILBOX_REGISTER_COUNT];
 	uint16_t	loop_id;
 	LIST_HEAD(new_fcports);
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	/* If FL port exists, then SNS is present */
 	if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
@@ -2307,7 +2338,10 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
 		 * Logout all previous fabric devices marked lost, except
 		 * tape devices.
 		 */
-		list_for_each_entry(fcport, &ha->fcports, list) {
+		list_for_each_entry(fcport, &pha->fcports, list) {
+			if (fcport->vp_idx !=ha->vp_idx)
+				continue;
+
 			if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
 				break;
 
@@ -2332,13 +2366,16 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
 		}
 
 		/* Starting free loop ID. */
-		next_loopid = ha->min_external_loopid;
+		next_loopid = pha->min_external_loopid;
 
 		/*
 		 * Scan through our port list and login entries that need to be
 		 * logged in.
 		 */
-		list_for_each_entry(fcport, &ha->fcports, list) {
+		list_for_each_entry(fcport, &pha->fcports, list) {
+			if (fcport->vp_idx != ha->vp_idx)
+				continue;
+
 			if (atomic_read(&ha->loop_down_timer) ||
 			    test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
 				break;
@@ -2380,11 +2417,18 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
 				break;
 			}
 
-			/* Remove device from the new list and add it to DB */
-			list_move_tail(&fcport->list, &ha->fcports);
-
 			/* Login and update database */
 			qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
+
+			if (ha->parent) {
+				fcport->ha = ha;
+				fcport->vp_idx = ha->vp_idx;
+				list_add_tail(&fcport->vp_fcport,
+				    &ha->vp_fcports);
+				list_move_tail(&fcport->list,
+				    &ha->parent->fcports);
+			} else
+				list_move_tail(&fcport->list, &ha->fcports);
 		}
 	} while (0);
 
@@ -2428,6 +2472,11 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
 	int		swl_idx;
 	int		first_dev, last_dev;
 	port_id_t	wrap, nxt_d_id;
+	int 		vp_index;
+	int		empty_vp_index;
+	int		found_vp;
+	scsi_qla_host_t *vha;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	rval = QLA_SUCCESS;
 
@@ -2461,13 +2510,13 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
 		return (QLA_MEMORY_ALLOC_FAILED);
 	}
 	new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
-
+	new_fcport->vp_idx = ha->vp_idx;
 	/* Set start port ID scan at adapter ID. */
 	first_dev = 1;
 	last_dev = 0;
 
 	/* Starting free loop ID. */
-	loop_id = ha->min_external_loopid;
+	loop_id = pha->min_external_loopid;
 	for (; loop_id <= ha->last_loop_id; loop_id++) {
 		if (qla2x00_is_reserved_id(ha, loop_id))
 			continue;
@@ -2521,10 +2570,42 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
 			break;
 		}
 
-		/* Bypass if host adapter. */
-		if (new_fcport->d_id.b24 == ha->d_id.b24)
+		/* Bypass if same physical adapter. */
+		if (new_fcport->d_id.b24 == pha->d_id.b24)
 			continue;
 
+		/* Bypass virtual ports of the same host. */
+		if (pha->num_vhosts) {
+			vp_index = find_next_bit(
+			    (unsigned long *)pha->vp_idx_map,
+			    MAX_MULTI_ID_FABRIC + 1, 1);
+
+			for (;vp_index <= MAX_MULTI_ID_FABRIC;
+			    vp_index = find_next_bit(
+			    (unsigned long *)pha->vp_idx_map,
+			    MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) {
+				empty_vp_index = 1;
+				found_vp = 0;
+				list_for_each_entry(vha, &pha->vp_list,
+				    vp_list) {
+					if (vp_index == vha->vp_idx) {
+						empty_vp_index = 0;
+						found_vp = 1;
+						break;
+					}
+				}
+
+				if (empty_vp_index)
+					continue;
+
+				if (found_vp &&
+				    new_fcport->d_id.b24 == vha->d_id.b24)
+					break;
+			}
+			if (vp_index <= MAX_MULTI_ID_FABRIC)
+				continue;
+		}
+
 		/* Bypass if same domain and area of adapter. */
 		if (((new_fcport->d_id.b24 & 0xffff00) ==
 		    (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
@@ -2537,7 +2618,9 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
 
 		/* Locate matching device in database. */
 		found = 0;
-		list_for_each_entry(fcport, &ha->fcports, list) {
+		list_for_each_entry(fcport, &pha->fcports, list) {
+			if (new_fcport->vp_idx != fcport->vp_idx)
+				continue;
 			if (memcmp(new_fcport->port_name, fcport->port_name,
 			    WWN_SIZE))
 				continue;
@@ -2605,6 +2688,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
 		}
 		new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
 		new_fcport->d_id.b24 = nxt_d_id.b24;
+		new_fcport->vp_idx = ha->vp_idx;
 	}
 
 	kfree(swl);
@@ -2637,6 +2721,7 @@ qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
 	int	found;
 	fc_port_t *fcport;
 	uint16_t first_loop_id;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	rval = QLA_SUCCESS;
 
@@ -2663,7 +2748,7 @@ qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
 		/* Check for loop ID being already in use. */
 		found = 0;
 		fcport = NULL;
-		list_for_each_entry(fcport, &ha->fcports, list) {
+		list_for_each_entry(fcport, &pha->fcports, list) {
 			if (fcport->loop_id == dev->loop_id && fcport != dev) {
 				/* ID possibly in use */
 				found++;
@@ -2710,6 +2795,7 @@ qla2x00_device_resync(scsi_qla_host_t *ha)
 	uint8_t rscn_out_iter;
 	uint8_t format;
 	port_id_t d_id;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	rval = QLA_RSCNS_HANDLED;
 
@@ -2776,7 +2862,10 @@ qla2x00_device_resync(scsi_qla_host_t *ha)
 
 		rval = QLA_SUCCESS;
 
-		list_for_each_entry(fcport, &ha->fcports, list) {
+		list_for_each_entry(fcport, &pha->fcports, list) {
+			if (fcport->vp_idx != ha->vp_idx)
+				continue;
+
 			if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
 			    (fcport->d_id.b24 & mask) != d_id.b24 ||
 			    fcport->port_type == FCT_BROADCAST)
@@ -3940,3 +4029,40 @@ qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
 		ret = qla2x00_stop_firmware(ha);
 	}
 }
+
+int
+qla24xx_configure_vhba(scsi_qla_host_t *ha)
+{
+	int rval = QLA_SUCCESS;
+	uint16_t mb[MAILBOX_REGISTER_COUNT];
+
+	if (!ha->parent)
+		return -EINVAL;
+
+	rval = qla2x00_fw_ready(ha);
+	if (rval == QLA_SUCCESS) {
+		clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
+		qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
+	}
+
+	ha->flags.management_server_logged_in = 0;
+
+	/* Login to SNS first */
+	qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
+	    mb, BIT_1);
+	if (mb[0] != MBS_COMMAND_COMPLETE) {
+		DEBUG15(qla_printk(KERN_INFO, ha,
+		    "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
+		    "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
+		    mb[0], mb[1], mb[2], mb[6], mb[7]));
+		return (QLA_FUNCTION_FAILED);
+	}
+
+	atomic_set(&ha->loop_down_timer, 0);
+	atomic_set(&ha->loop_state, LOOP_UP);
+	set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
+	set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
+	rval = qla2x00_loop_resync(ha);
+
+	return rval;
+}

drivers/scsi/qla2xxx/qla_iocb.c

@@ -179,7 +179,6 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
 	cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
 
 	/* Load data segments */
-
 	scsi_for_each_sg(cmd, sg, tot_dsds, i) {
 		cont_entry_t *cont_pkt;
 
@@ -316,9 +315,14 @@ qla2x00_start_scsi(srb_t *sp)
 		goto queuing_error;
 
 	/* Map the sg table so we have an accurate count of sg entries needed */
-	nseg = scsi_dma_map(cmd);
-	if (nseg < 0)
-		goto queuing_error;
+	if (scsi_sg_count(cmd)) {
+		nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+		    scsi_sg_count(cmd), cmd->sc_data_direction);
+		if (unlikely(!nseg))
+			goto queuing_error;
+	} else
+		nseg = 0;
+
 	tot_dsds = nseg;
 
 	/* Calculate the number of request entries needed. */
@@ -414,9 +418,10 @@ __qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
 {
 	mrk_entry_t *mrk;
 	struct mrk_entry_24xx *mrk24;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	mrk24 = NULL;
-	mrk = (mrk_entry_t *)qla2x00_req_pkt(ha);
+	mrk = (mrk_entry_t *)qla2x00_req_pkt(pha);
 	if (mrk == NULL) {
 		DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
 		    __func__, ha->host_no));
@@ -433,6 +438,7 @@ __qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
 			mrk24->lun[1] = LSB(lun);
 			mrk24->lun[2] = MSB(lun);
 			host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
+			mrk24->vp_index = ha->vp_idx;
 		} else {
 			SET_TARGET_ID(ha, mrk->target, loop_id);
 			mrk->lun = cpu_to_le16(lun);
@@ -440,7 +446,7 @@ __qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
 	}
 	wmb();
 
-	qla2x00_isp_cmd(ha);
+	qla2x00_isp_cmd(pha);
 
 	return (QLA_SUCCESS);
 }
@@ -712,9 +718,14 @@ qla24xx_start_scsi(srb_t *sp)
 		goto queuing_error;
 
 	/* Map the sg table so we have an accurate count of sg entries needed */
-	nseg = scsi_dma_map(cmd);
-	if (nseg < 0)
+	if (scsi_sg_count(cmd)) {
+		nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+		    scsi_sg_count(cmd), cmd->sc_data_direction);
+		if (unlikely(!nseg))
 			goto queuing_error;
+	} else
+		nseg = 0;
+
 	tot_dsds = nseg;
 
 	req_cnt = qla24xx_calc_iocbs(tot_dsds);
@@ -750,6 +761,7 @@ qla24xx_start_scsi(srb_t *sp)
 	cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
 	cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
 	cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+	cmd_pkt->vp_index = sp->fcport->vp_idx;
 
 	int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
 	host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));

drivers/scsi/qla2xxx/qla_isr.c

@@ -9,7 +9,6 @@
 #include <scsi/scsi_tcq.h>
 
 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
-static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *);
 static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t);
 static void qla2x00_status_entry(scsi_qla_host_t *, void *);
 static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *);
@@ -244,7 +243,7 @@ qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0)
  * @ha: SCSI driver HA context
  * @mb: Mailbox registers (0 - 3)
  */
-static void
+void
 qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 {
 #define LS_UNKNOWN	2
@@ -386,6 +385,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 			qla2x00_mark_all_devices_lost(ha, 1);
 		}
 
+		if (ha->parent) {
+			atomic_set(&ha->vp_state, VP_FAILED);
+			fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+		}
+
 		set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
 
 		ha->flags.management_server_logged_in = 0;
@@ -422,6 +426,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 			qla2x00_mark_all_devices_lost(ha, 1);
 		}
 
+		if (ha->parent) {
+			atomic_set(&ha->vp_state, VP_FAILED);
+			fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+		}
+
 		ha->flags.management_server_logged_in = 0;
 		ha->link_data_rate = PORT_SPEED_UNKNOWN;
 		if (ql2xfdmienable)
@@ -440,6 +449,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 			qla2x00_mark_all_devices_lost(ha, 1);
 		}
 
+		if (ha->parent) {
+			atomic_set(&ha->vp_state, VP_FAILED);
+			fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+		}
+
 		set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
 
 		ha->operating_mode = LOOP;
@@ -465,6 +479,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 			qla2x00_mark_all_devices_lost(ha, 1);
 		}
 
+		if (ha->parent) {
+			atomic_set(&ha->vp_state, VP_FAILED);
+			fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+		}
+
 		if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
 			set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
 		}
@@ -491,6 +510,11 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 			qla2x00_mark_all_devices_lost(ha, 1);
 		}
 
+		if (ha->parent) {
+			atomic_set(&ha->vp_state, VP_FAILED);
+			fc_vport_set_state(ha->fc_vport, FC_VPORT_FAILED);
+		}
+
 		set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
 		set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
 		break;
@@ -530,6 +554,10 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		break;
 
 	case MBA_RSCN_UPDATE:		/* State Change Registration */
+		/* Check if the Vport has issued a SCR */
+		if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags))
+			break;
+
 		DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
 		    ha->host_no));
 		DEBUG(printk(KERN_INFO
@@ -589,6 +617,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 		ha->host_no, mb[1], mb[2]));
 		break;
 	}
+
+	if (!ha->parent && ha->num_vhosts)
+		qla2x00_alert_all_vps(ha, mb);
 }
 
 static void
@@ -1393,6 +1424,10 @@ qla24xx_process_response_queue(struct scsi_qla_host *ha)
 		case MS_IOCB_TYPE:
 			qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt);
 			break;
+		case VP_RPT_ID_IOCB_TYPE:
+			qla24xx_report_id_acquisition(ha,
+			    (struct vp_rpt_id_entry_24xx *)pkt);
+			break;
 		default:
 			/* Type Not Supported. */
 			DEBUG4(printk(KERN_WARNING

drivers/scsi/qla2xxx/qla_mbx.c

@@ -42,25 +42,29 @@ qla2x00_mbx_sem_timeout(unsigned long data)
  *	Kernel context.
  */
 static int
-qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
+qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
 {
 	int		rval;
 	unsigned long    flags = 0;
-	device_reg_t __iomem *reg = ha->iobase;
+	device_reg_t __iomem *reg;
 	struct timer_list	tmp_intr_timer;
 	uint8_t		abort_active;
-	uint8_t		io_lock_on = ha->flags.init_done;
+	uint8_t		io_lock_on;
 	uint16_t	command;
 	uint16_t	*iptr;
 	uint16_t __iomem *optr;
 	uint32_t	cnt;
 	uint32_t	mboxes;
 	unsigned long	wait_time;
+	scsi_qla_host_t *ha = to_qla_parent(pvha);
+
+	reg = ha->iobase;
+	io_lock_on = ha->flags.init_done;
 
 	rval = QLA_SUCCESS;
 	abort_active = test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
 
-	DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+	DEBUG11(printk("%s(%ld): entered.\n", __func__, pvha->host_no));
 
 	/*
 	 * Wait for active mailbox commands to finish by waiting at most tov
@@ -889,7 +893,7 @@ qla2x00_abort_target(fc_port_t *fcport)
  */
 int
 qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
-    uint8_t *area, uint8_t *domain, uint16_t *top)
+    uint8_t *area, uint8_t *domain, uint16_t *top, uint16_t *sw_cap)
 {
 	int rval;
 	mbx_cmd_t mc;
@@ -899,8 +903,9 @@ qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
 	    ha->host_no));
 
 	mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
+	mcp->mb[9] = ha->vp_idx;
 	mcp->out_mb = MBX_0;
-	mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
 	mcp->tov = 30;
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(ha, mcp);
@@ -913,6 +918,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
 	*area = MSB(mcp->mb[2]);
 	*domain	= LSB(mcp->mb[3]);
 	*top = mcp->mb[6];
+	*sw_cap = mcp->mb[7];
 
 	if (rval != QLA_SUCCESS) {
 		/*EMPTY*/
@@ -1009,7 +1015,11 @@ qla2x00_init_firmware(scsi_qla_host_t *ha, uint16_t size)
 	DEBUG11(printk("qla2x00_init_firmware(%ld): entered.\n",
 	    ha->host_no));
 
-	mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
+	if (ha->flags.npiv_supported)
+		mcp->mb[0] = MBC_MID_INITIALIZE_FIRMWARE;
+	else
+		mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
+
 	mcp->mb[2] = MSW(ha->init_cb_dma);
 	mcp->mb[3] = LSW(ha->init_cb_dma);
 	mcp->mb[4] = 0;
@@ -1081,7 +1091,8 @@ qla2x00_get_port_database(scsi_qla_host_t *ha, fc_port_t *fcport, uint8_t opt)
 	mcp->mb[3] = LSW(pd_dma);
 	mcp->mb[6] = MSW(MSD(pd_dma));
 	mcp->mb[7] = LSW(MSD(pd_dma));
-	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+	mcp->mb[9] = ha->vp_idx;
+	mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
 	mcp->in_mb = MBX_0;
 	if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 		mcp->mb[1] = fcport->loop_id;
@@ -1259,7 +1270,8 @@ qla2x00_get_port_name(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t *name,
 	    ha->host_no));
 
 	mcp->mb[0] = MBC_GET_PORT_NAME;
-	mcp->out_mb = MBX_1|MBX_0;
+	mcp->mb[9] = ha->vp_idx;
+	mcp->out_mb = MBX_9|MBX_1|MBX_0;
 	if (HAS_EXTENDED_IDS(ha)) {
 		mcp->mb[1] = loop_id;
 		mcp->mb[10] = opt;
@@ -1447,6 +1459,7 @@ qla24xx_login_fabric(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
 	lg->port_id[0] = al_pa;
 	lg->port_id[1] = area;
 	lg->port_id[2] = domain;
+	lg->vp_index = cpu_to_le16(ha->vp_idx);
 	rval = qla2x00_issue_iocb(ha, lg, lg_dma, 0);
 	if (rval != QLA_SUCCESS) {
 		DEBUG2_3_11(printk("%s(%ld): failed to issue Login IOCB "
@@ -1701,6 +1714,7 @@ qla24xx_fabric_logout(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
 	lg->port_id[0] = al_pa;
 	lg->port_id[1] = area;
 	lg->port_id[2] = domain;
+	lg->vp_index = cpu_to_le16(ha->vp_idx);
 	rval = qla2x00_issue_iocb(ha, lg, lg_dma, 0);
 	if (rval != QLA_SUCCESS) {
 		DEBUG2_3_11(printk("%s(%ld): failed to issue Logout IOCB "
@@ -1863,7 +1877,8 @@ qla2x00_get_id_list(scsi_qla_host_t *ha, void *id_list, dma_addr_t id_list_dma,
 		mcp->mb[6] = MSW(MSD(id_list_dma));
 		mcp->mb[7] = LSW(MSD(id_list_dma));
 		mcp->mb[8] = 0;
-		mcp->out_mb |= MBX_8|MBX_7|MBX_6|MBX_3|MBX_2;
+		mcp->mb[9] = ha->vp_idx;
+		mcp->out_mb |= MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2;
 	} else {
 		mcp->mb[1] = MSW(id_list_dma);
 		mcp->mb[2] = LSW(id_list_dma);
@@ -2212,6 +2227,7 @@ qla24xx_abort_command(scsi_qla_host_t *ha, srb_t *sp)
 	abt->port_id[0] = fcport->d_id.b.al_pa;
 	abt->port_id[1] = fcport->d_id.b.area;
 	abt->port_id[2] = fcport->d_id.b.domain;
+	abt->vp_index = fcport->vp_idx;
 	rval = qla2x00_issue_iocb(ha, abt, abt_dma, 0);
 	if (rval != QLA_SUCCESS) {
 		DEBUG2_3_11(printk("%s(%ld): failed to issue IOCB (%x).\n",
@@ -2249,7 +2265,7 @@ qla24xx_abort_target(fc_port_t *fcport)
 	int		rval;
 	struct tsk_mgmt_cmd *tsk;
 	dma_addr_t	tsk_dma;
-	scsi_qla_host_t *ha;
+	scsi_qla_host_t *ha, *pha;
 
 	if (fcport == NULL)
 		return 0;
@@ -2257,7 +2273,8 @@ qla24xx_abort_target(fc_port_t *fcport)
 	DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no));
 
 	ha = fcport->ha;
-	tsk = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma);
+	pha = to_qla_parent(ha);
+	tsk = dma_pool_alloc(pha->s_dma_pool, GFP_KERNEL, &tsk_dma);
 	if (tsk == NULL) {
 		DEBUG2_3(printk("%s(%ld): failed to allocate Task Management "
 		    "IOCB.\n", __func__, ha->host_no));
@@ -2273,6 +2290,8 @@ qla24xx_abort_target(fc_port_t *fcport)
 	tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
 	tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
 	tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
+	tsk->p.tsk.vp_index = fcport->vp_idx;
+
 	rval = qla2x00_issue_iocb(ha, tsk, tsk_dma, 0);
 	if (rval != QLA_SUCCESS) {
 		DEBUG2_3_11(printk("%s(%ld): failed to issue Target Reset IOCB "
@@ -2303,7 +2322,7 @@ qla24xx_abort_target(fc_port_t *fcport)
 	}
 
 atarget_done:
-	dma_pool_free(ha->s_dma_pool, tsk, tsk_dma);
+	dma_pool_free(pha->s_dma_pool, tsk, tsk_dma);
 
 	return rval;
 }
@@ -2610,3 +2629,354 @@ qla2x00_set_idma_speed(scsi_qla_host_t *ha, uint16_t loop_id,
 
 	return rval;
 }
+
+/*
+ * qla24xx_get_vp_database
+ *	Get the VP's database for all configured ports.
+ *
+ * Input:
+ *	ha = adapter block pointer.
+ *	size = size of initialization control block.
+ *
+ * Returns:
+ *	qla2x00 local function return status code.
+ *
+ * Context:
+ *	Kernel context.
+ */
+int
+qla24xx_get_vp_database(scsi_qla_host_t *ha, uint16_t size)
+{
+	int rval;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	DEBUG11(printk("scsi(%ld):%s - entered.\n",
+	    ha->host_no, __func__));
+
+	mcp->mb[0] = MBC_MID_GET_VP_DATABASE;
+	mcp->mb[2] = MSW(ha->init_cb_dma);
+	mcp->mb[3] = LSW(ha->init_cb_dma);
+	mcp->mb[4] = 0;
+	mcp->mb[5] = 0;
+	mcp->mb[6] = MSW(MSD(ha->init_cb_dma));
+	mcp->mb[7] = LSW(MSD(ha->init_cb_dma));
+	mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+	mcp->in_mb = MBX_1|MBX_0;
+	mcp->buf_size = size;
+	mcp->flags = MBX_DMA_OUT;
+	mcp->tov = MBX_TOV_SECONDS;
+	rval = qla2x00_mailbox_command(ha, mcp);
+
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		DEBUG2_3_11(printk("%s(%ld): failed=%x "
+		    "mb0=%x.\n",
+		    __func__, ha->host_no, rval, mcp->mb[0]));
+	} else {
+		/*EMPTY*/
+		DEBUG11(printk("%s(%ld): done.\n",
+		    __func__, ha->host_no));
+	}
+
+	return rval;
+}
+
+int
+qla24xx_get_vp_entry(scsi_qla_host_t *ha, uint16_t size, int vp_id)
+{
+	int rval;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+
+	mcp->mb[0] = MBC_MID_GET_VP_ENTRY;
+	mcp->mb[2] = MSW(ha->init_cb_dma);
+	mcp->mb[3] = LSW(ha->init_cb_dma);
+	mcp->mb[4] = 0;
+	mcp->mb[5] = 0;
+	mcp->mb[6] = MSW(MSD(ha->init_cb_dma));
+	mcp->mb[7] = LSW(MSD(ha->init_cb_dma));
+	mcp->mb[9] = vp_id;
+	mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0;
+	mcp->in_mb = MBX_0;
+	mcp->buf_size = size;
+	mcp->flags = MBX_DMA_OUT;
+	mcp->tov = 30;
+	rval = qla2x00_mailbox_command(ha, mcp);
+
+	if (rval != QLA_SUCCESS) {
+		/*EMPTY*/
+		DEBUG2_3_11(printk("qla24xx_get_vp_entry(%ld): failed=%x "
+		    "mb0=%x.\n",
+		    ha->host_no, rval, mcp->mb[0]));
+	} else {
+		/*EMPTY*/
+		DEBUG11(printk("qla24xx_get_vp_entry(%ld): done.\n",
+		    ha->host_no));
+	}
+
+	return rval;
+}
+
+void
+qla24xx_report_id_acquisition(scsi_qla_host_t *ha,
+	struct vp_rpt_id_entry_24xx *rptid_entry)
+{
+	uint8_t vp_idx;
+	scsi_qla_host_t *vha;
+
+	if (rptid_entry->entry_status != 0)
+		return;
+	if (rptid_entry->entry_status != __constant_cpu_to_le16(CS_COMPLETE))
+		return;
+
+	if (rptid_entry->format == 0) {
+		DEBUG15(printk("%s:format 0 : scsi(%ld) number of VPs setup %d,"
+			" number of VPs acquired %d\n", __func__, ha->host_no,
+			MSB(rptid_entry->vp_count), LSB(rptid_entry->vp_count)));
+		DEBUG15(printk("%s primary port id %02x%02x%02x\n", __func__,
+			rptid_entry->port_id[2], rptid_entry->port_id[1],
+			rptid_entry->port_id[0]));
+	} else if (rptid_entry->format == 1) {
+		vp_idx = LSB(rptid_entry->vp_idx);
+		DEBUG15(printk("%s:format 1: scsi(%ld): VP[%d] enabled "
+		    "- status %d - "
+		    "with port id %02x%02x%02x\n",__func__,ha->host_no,
+		    vp_idx, MSB(rptid_entry->vp_idx),
+		    rptid_entry->port_id[2], rptid_entry->port_id[1],
+		    rptid_entry->port_id[0]));
+		if (vp_idx == 0)
+			return;
+
+		if (MSB(rptid_entry->vp_idx) == 1)
+			return;
+
+		list_for_each_entry(vha, &ha->vp_list, vp_list)
+			if (vp_idx == vha->vp_idx)
+				break;
+
+		if (!vha)
+			return;
+
+		vha->d_id.b.domain = rptid_entry->port_id[2];
+		vha->d_id.b.area =  rptid_entry->port_id[1];
+		vha->d_id.b.al_pa = rptid_entry->port_id[0];
+
+		/*
+		 * Cannot configure here as we are still sitting on the
+		 * response queue. Handle it in dpc context.
+		 */
+		set_bit(VP_IDX_ACQUIRED, &vha->vp_flags);
+		set_bit(VP_DPC_NEEDED, &ha->dpc_flags);
+
+		wake_up_process(ha->dpc_thread);
+	}
+}
+
+/*
+ * qla24xx_modify_vp_config
+ *	Change VP configuration for vha
+ *
+ * Input:
+ *	vha = adapter block pointer.
+ *
+ * Returns:
+ *	qla2xxx local function return status code.
+ *
+ * Context:
+ *	Kernel context.
+ */
+int
+qla24xx_modify_vp_config(scsi_qla_host_t *vha)
+{
+	int		rval;
+	struct vp_config_entry_24xx *vpmod;
+	dma_addr_t	vpmod_dma;
+	scsi_qla_host_t *pha;
+
+	/* This can be called by the parent */
+	pha = to_qla_parent(vha);
+
+	vpmod = dma_pool_alloc(pha->s_dma_pool, GFP_KERNEL, &vpmod_dma);
+	if (!vpmod) {
+		DEBUG2_3(printk("%s(%ld): failed to allocate Modify VP "
+		    "IOCB.\n", __func__, pha->host_no));
+		return QLA_MEMORY_ALLOC_FAILED;
+	}
+
+	memset(vpmod, 0, sizeof(struct vp_config_entry_24xx));
+	vpmod->entry_type = VP_CONFIG_IOCB_TYPE;
+	vpmod->entry_count = 1;
+	vpmod->command = VCT_COMMAND_MOD_ENABLE_VPS;
+	vpmod->vp_count = 1;
+	vpmod->vp_index1 = vha->vp_idx;
+	vpmod->options_idx1 = BIT_3|BIT_4|BIT_5;
+	memcpy(vpmod->node_name_idx1, vha->node_name, WWN_SIZE);
+	memcpy(vpmod->port_name_idx1, vha->port_name, WWN_SIZE);
+	vpmod->entry_count = 1;
+
+	rval = qla2x00_issue_iocb(pha, vpmod, vpmod_dma, 0);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(printk("%s(%ld): failed to issue VP config IOCB"
+			"(%x).\n", __func__, pha->host_no, rval));
+	} else if (vpmod->comp_status != 0) {
+		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+			"-- error status (%x).\n", __func__, pha->host_no,
+			vpmod->comp_status));
+		rval = QLA_FUNCTION_FAILED;
+	} else if (vpmod->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
+		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+		    "-- completion status (%x).\n", __func__, pha->host_no,
+		    le16_to_cpu(vpmod->comp_status)));
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		/* EMPTY */
+		DEBUG11(printk("%s(%ld): done.\n", __func__, pha->host_no));
+		fc_vport_set_state(vha->fc_vport, FC_VPORT_INITIALIZING);
+	}
+	dma_pool_free(pha->s_dma_pool, vpmod, vpmod_dma);
+
+	return rval;
+}
+
+/*
+ * qla24xx_control_vp
+ *	Enable a virtual port for given host
+ *
+ * Input:
+ *	ha = adapter block pointer.
+ *	vhba = virtual adapter (unused)
+ *	index = index number for enabled VP
+ *
+ * Returns:
+ *	qla2xxx local function return status code.
+ *
+ * Context:
+ *	Kernel context.
+ */
+int
+qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
+{
+	int		rval;
+	int		map, pos;
+	struct vp_ctrl_entry_24xx   *vce;
+	dma_addr_t	vce_dma;
+	scsi_qla_host_t *ha = vha->parent;
+	int	vp_index = vha->vp_idx;
+
+	DEBUG11(printk("%s(%ld): entered. Enabling index %d\n", __func__,
+	    ha->host_no, vp_index));
+
+	if (vp_index == 0 || vp_index >= MAX_MULTI_ID_LOOP)
+		return QLA_PARAMETER_ERROR;
+
+	vce = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma);
+	if (!vce) {
+		DEBUG2_3(printk("%s(%ld): "
+		    "failed to allocate VP Control IOCB.\n", __func__,
+		    ha->host_no));
+		return QLA_MEMORY_ALLOC_FAILED;
+	}
+	memset(vce, 0, sizeof(struct vp_ctrl_entry_24xx));
+
+	vce->entry_type = VP_CTRL_IOCB_TYPE;
+	vce->entry_count = 1;
+	vce->command = cpu_to_le16(cmd);
+	vce->vp_count = __constant_cpu_to_le16(1);
+
+	/* index map in firmware starts with 1; decrement index
+	 * this is ok as we never use index 0
+	 */
+	map = (vp_index - 1) / 8;
+	pos = (vp_index - 1) & 7;
+	down(&ha->vport_sem);
+	vce->vp_idx_map[map] |= 1 << pos;
+	up(&ha->vport_sem);
+
+	rval = qla2x00_issue_iocb(ha, vce, vce_dma, 0);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2_3_11(printk("%s(%ld): failed to issue VP control IOCB"
+		    "(%x).\n", __func__, ha->host_no, rval));
+		printk("%s(%ld): failed to issue VP control IOCB"
+		    "(%x).\n", __func__, ha->host_no, rval);
+	} else if (vce->entry_status != 0) {
+		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+		    "-- error status (%x).\n", __func__, ha->host_no,
+		    vce->entry_status));
+		printk("%s(%ld): failed to complete IOCB "
+		    "-- error status (%x).\n", __func__, ha->host_no,
+		    vce->entry_status);
+		rval = QLA_FUNCTION_FAILED;
+	} else if (vce->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
+		DEBUG2_3_11(printk("%s(%ld): failed to complete IOCB "
+		    "-- completion status (%x).\n", __func__, ha->host_no,
+		    le16_to_cpu(vce->comp_status)));
+		printk("%s(%ld): failed to complete IOCB "
+		    "-- completion status (%x).\n", __func__, ha->host_no,
+		    le16_to_cpu(vce->comp_status));
+		rval = QLA_FUNCTION_FAILED;
+	} else {
+		DEBUG2(printk("%s(%ld): done.\n", __func__, ha->host_no));
+	}
+
+	dma_pool_free(ha->s_dma_pool, vce, vce_dma);
+
+	return rval;
+}
+
+/*
+ * qla2x00_send_change_request
+ *	Receive or disable RSCN request from fabric controller
+ *
+ * Input:
+ *	ha = adapter block pointer
+ *	format = registration format:
+ *		0 - Reserved
+ *		1 - Fabric detected registration
+ *		2 - N_port detected registration
+ *		3 - Full registration
+ *		FF - clear registration
+ *	vp_idx = Virtual port index
+ *
+ * Returns:
+ *	qla2x00 local function return status code.
+ *
+ * Context:
+ *	Kernel Context
+ */
+
+int
+qla2x00_send_change_request(scsi_qla_host_t *ha, uint16_t format,
+			    uint16_t vp_idx)
+{
+	int rval;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	/*
+	 * This command is implicitly executed by firmware during login for the
+	 * physical hosts
+	 */
+	if (vp_idx == 0)
+		return QLA_FUNCTION_FAILED;
+
+	mcp->mb[0] = MBC_SEND_CHANGE_REQUEST;
+	mcp->mb[1] = format;
+	mcp->mb[9] = vp_idx;
+	mcp->out_mb = MBX_9|MBX_1|MBX_0;
+	mcp->in_mb = MBX_0|MBX_1;
+	mcp->tov = MBX_TOV_SECONDS;
+	mcp->flags = 0;
+	rval = qla2x00_mailbox_command(ha, mcp);
+
+	if (rval == QLA_SUCCESS) {
+		if (mcp->mb[0] != MBS_COMMAND_COMPLETE) {
+			rval = BIT_1;
+		}
+	} else
+		rval = BIT_1;
+
+	return rval;
+}

drivers/scsi/qla2xxx/qla_mid.c

@@ -0,0 +1,497 @@
+/*
+ *                  QLOGIC LINUX SOFTWARE
+ *
+ * QLogic ISP2x00 device driver for Linux 2.6.x
+ * Copyright (C) 2003-2005 QLogic Corporation
+ * (www.qlogic.com)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) 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.
+ *
+ */
+#include "qla_def.h"
+
+#include <linux/version.h>
+#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
+#include <linux/smp_lock.h>
+#include <linux/list.h>
+
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsicam.h>
+#include <linux/delay.h>
+
+void qla2x00_vp_stop_timer(scsi_qla_host_t *);
+
+void
+qla2x00_vp_stop_timer(scsi_qla_host_t *vha)
+{
+	if (vha->parent && vha->timer_active) {
+		del_timer_sync(&vha->timer);
+		vha->timer_active = 0;
+	}
+}
+
+uint32_t
+qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
+{
+	uint32_t vp_id;
+	scsi_qla_host_t *ha = vha->parent;
+
+	/* Find an empty slot and assign an vp_id */
+	down(&ha->vport_sem);
+	vp_id = find_first_zero_bit((unsigned long *)ha->vp_idx_map,
+				MAX_MULTI_ID_FABRIC);
+	if (vp_id > MAX_MULTI_ID_FABRIC) {
+		DEBUG15(printk ("vp_id %d is bigger than MAX_MULTI_ID_FABRID\n",
+		    vp_id));
+		up(&ha->vport_sem);
+		return vp_id;
+	}
+
+	set_bit(vp_id, (unsigned long *)ha->vp_idx_map);
+	ha->num_vhosts++;
+	vha->vp_idx = vp_id;
+	list_add_tail(&vha->vp_list, &ha->vp_list);
+	up(&ha->vport_sem);
+	return vp_id;
+}
+
+void
+qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
+{
+	uint16_t vp_id;
+	scsi_qla_host_t *ha = vha->parent;
+
+	down(&ha->vport_sem);
+	vp_id = vha->vp_idx;
+	ha->num_vhosts--;
+	clear_bit(vp_id, (unsigned long *)ha->vp_idx_map);
+	list_del(&vha->vp_list);
+	up(&ha->vport_sem);
+}
+
+scsi_qla_host_t *
+qla24xx_find_vhost_by_name(scsi_qla_host_t *ha, uint8_t *port_name)
+{
+	scsi_qla_host_t *vha;
+
+	/* Locate matching device in database. */
+	list_for_each_entry(vha, &ha->vp_list, vp_list) {
+		if (!memcmp(port_name, vha->port_name, WWN_SIZE))
+			return vha;
+	}
+	return NULL;
+}
+
+/*
+ * qla2x00_mark_vp_devices_dead
+ *	Updates fcport state when device goes offline.
+ *
+ * Input:
+ *	ha = adapter block pointer.
+ *	fcport = port structure pointer.
+ *
+ * Return:
+ *	None.
+ *
+ * Context:
+ */
+void
+qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
+{
+	fc_port_t *fcport;
+	scsi_qla_host_t *pha = to_qla_parent(vha);
+
+	list_for_each_entry(fcport, &pha->fcports, list) {
+		if (fcport->vp_idx != vha->vp_idx)
+			continue;
+
+		DEBUG15(printk("scsi(%ld): Marking port dead, "
+		    "loop_id=0x%04x :%x\n",
+		    vha->host_no, fcport->loop_id, fcport->vp_idx));
+
+		atomic_set(&fcport->state, FCS_DEVICE_DEAD);
+		qla2x00_mark_device_lost(vha, fcport, 0, 0);
+	}
+}
+
+int
+qla24xx_disable_vp(scsi_qla_host_t *vha)
+{
+	int ret;
+
+	ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL);
+	atomic_set(&vha->loop_state, LOOP_DOWN);
+	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+
+	/* Delete all vp's fcports from parent's list */
+	qla2x00_mark_vp_devices_dead(vha);
+	atomic_set(&vha->vp_state, VP_FAILED);
+	vha->flags.management_server_logged_in = 0;
+	if (ret == QLA_SUCCESS) {
+		fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED);
+	} else {
+		fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
+		return -1;
+	}
+	return 0;
+}
+
+int
+qla24xx_enable_vp(scsi_qla_host_t *vha)
+{
+	int ret;
+	scsi_qla_host_t *ha = vha->parent;
+
+	/* Check if physical ha port is Up */
+	if (atomic_read(&ha->loop_state) == LOOP_DOWN  ||
+		atomic_read(&ha->loop_state) == LOOP_DEAD ) {
+		vha->vp_err_state =  VP_ERR_PORTDWN;
+		fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN);
+		goto enable_failed;
+	}
+
+	/* Initialize the new vport unless it is a persistent port */
+	down(&ha->vport_sem);
+	ret = qla24xx_modify_vp_config(vha);
+	up(&ha->vport_sem);
+
+	if (ret != QLA_SUCCESS) {
+		fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
+		goto enable_failed;
+	}
+
+	DEBUG15(qla_printk(KERN_INFO, ha,
+	    "Virtual port with id: %d - Enabled\n", vha->vp_idx));
+	return 0;
+
+enable_failed:
+	DEBUG15(qla_printk(KERN_INFO, ha,
+	    "Virtual port with id: %d - Disabled\n", vha->vp_idx));
+	return 1;
+}
+
+/**
+ * qla24xx_modify_vport() -  Modifies the virtual fabric port's configuration
+ * @ha: HA context
+ * @vp: pointer to buffer of virtual port parameters.
+ * @ret_code: return error code:
+ *
+ * Returns the virtual port id, or MAX_VSAN_ID, if couldn't create.
+ */
+uint32_t
+qla24xx_modify_vhba(scsi_qla_host_t *ha, vport_params_t *vp, uint32_t *vp_id)
+{
+	scsi_qla_host_t *vha;
+
+	vha = qla24xx_find_vhost_by_name(ha, vp->port_name);
+	if (!vha) {
+		*vp_id = MAX_NUM_VPORT_LOOP;
+		return VP_RET_CODE_WWPN;
+	}
+
+	if (qla24xx_enable_vp(vha)) {
+		scsi_host_put(vha->host);
+		qla2x00_mem_free(vha);
+		*vp_id = MAX_NUM_VPORT_LOOP;
+		return VP_RET_CODE_RESOURCES;
+	}
+
+	*vp_id = vha->vp_idx;
+	return VP_RET_CODE_OK;
+}
+
+void
+qla24xx_configure_vp(scsi_qla_host_t *vha)
+{
+	struct fc_vport *fc_vport;
+	int ret;
+
+	fc_vport = vha->fc_vport;
+
+	DEBUG15(printk("scsi(%ld): %s: change request #3 for this host.\n",
+	    vha->host_no, __func__));
+	ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx);
+	if (ret != QLA_SUCCESS) {
+		DEBUG15(qla_printk(KERN_ERR, vha, "Failed to enable receiving"
+		    " of RSCN requests: 0x%x\n", ret));
+		return;
+	} else {
+		/* Corresponds to SCR enabled */
+		clear_bit(VP_SCR_NEEDED, &vha->vp_flags);
+	}
+
+	vha->flags.online = 1;
+	if (qla24xx_configure_vhba(vha))
+		return;
+
+	atomic_set(&vha->vp_state, VP_ACTIVE);
+	fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
+}
+
+void
+qla2x00_alert_all_vps(scsi_qla_host_t *ha, uint16_t *mb)
+{
+	int i, vp_idx_matched;
+	scsi_qla_host_t *vha;
+
+	if (ha->parent)
+		return;
+
+	i = find_next_bit((unsigned long *)ha->vp_idx_map,
+	    MAX_MULTI_ID_FABRIC + 1, 1);
+	for (;i <= MAX_MULTI_ID_FABRIC;
+	    i = find_next_bit((unsigned long *)ha->vp_idx_map,
+	    MAX_MULTI_ID_FABRIC + 1, i + 1)) {
+		vp_idx_matched = 0;
+
+		list_for_each_entry(vha, &ha->vp_list, vp_list) {
+			if (i == vha->vp_idx) {
+				vp_idx_matched = 1;
+				break;
+			}
+		}
+
+		if (vp_idx_matched) {
+			switch (mb[0]) {
+			case MBA_LIP_OCCURRED:
+			case MBA_LOOP_UP:
+			case MBA_LOOP_DOWN:
+			case MBA_LIP_RESET:
+			case MBA_POINT_TO_POINT:
+			case MBA_CHG_IN_CONNECTION:
+			case MBA_PORT_UPDATE:
+			case MBA_RSCN_UPDATE:
+				DEBUG15(printk("scsi(%ld)%s: Async_event for"
+				    " VP[%d], mb = 0x%x, vha=%p\n",
+				    vha->host_no, __func__,i, *mb, vha));
+				qla2x00_async_event(vha, mb);
+				break;
+			}
+		}
+	}
+}
+
+void
+qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
+{
+	/*
+	 * Physical port will do most of the abort and recovery work. We can
+	 * just treat it as a loop down
+	 */
+	if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
+		atomic_set(&vha->loop_state, LOOP_DOWN);
+		qla2x00_mark_all_devices_lost(vha, 0);
+	} else {
+		if (!atomic_read(&vha->loop_down_timer))
+			atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+	}
+
+	DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n",
+	    vha->host_no, vha->vp_idx));
+	qla24xx_enable_vp(vha);
+}
+
+int
+qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
+{
+	if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) {
+		/* VP acquired. complete port configuration */
+		qla24xx_configure_vp(vha);
+		return 0;
+	}
+
+	if (test_and_clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
+		qla2x00_vp_abort_isp(vha);
+
+	if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) &&
+	    (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) {
+		clear_bit(RESET_ACTIVE, &vha->dpc_flags);
+	}
+
+	if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
+		if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) {
+			qla2x00_loop_resync(vha);
+			clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags);
+		}
+	}
+
+	return 0;
+}
+
+void
+qla2x00_do_dpc_all_vps(scsi_qla_host_t *ha)
+{
+	int ret;
+	int i, vp_idx_matched;
+	scsi_qla_host_t *vha;
+
+	if (ha->parent)
+		return;
+	if (list_empty(&ha->vp_list))
+		return;
+
+	clear_bit(VP_DPC_NEEDED, &ha->dpc_flags);
+
+	i = find_next_bit((unsigned long *)ha->vp_idx_map,
+	    MAX_MULTI_ID_FABRIC + 1, 1);
+	for (;i <= MAX_MULTI_ID_FABRIC;
+	    i = find_next_bit((unsigned long *)ha->vp_idx_map,
+	    MAX_MULTI_ID_FABRIC + 1, i + 1)) {
+		vp_idx_matched = 0;
+
+		list_for_each_entry(vha, &ha->vp_list, vp_list) {
+			if (i == vha->vp_idx) {
+				vp_idx_matched = 1;
+				break;
+			}
+		}
+
+		if (vp_idx_matched)
+			ret = qla2x00_do_dpc_vp(vha);
+	}
+}
+
+int
+qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport)
+{
+	scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
+	scsi_qla_host_t *vha;
+	uint8_t port_name[WWN_SIZE];
+
+	if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR)
+		return VPCERR_UNSUPPORTED;
+
+	/* Check up the F/W and H/W support NPIV */
+	if (!ha->flags.npiv_supported)
+		return VPCERR_UNSUPPORTED;
+
+	/* Check up whether npiv supported switch presented */
+	if (!(ha->switch_cap & FLOGI_MID_SUPPORT))
+		return VPCERR_NO_FABRIC_SUPP;
+
+	/* Check up unique WWPN */
+	u64_to_wwn(fc_vport->port_name, port_name);
+	vha = qla24xx_find_vhost_by_name(ha, port_name);
+	if (vha)
+		return VPCERR_BAD_WWN;
+
+	/* Check up max-npiv-supports */
+	if (ha->num_vhosts > ha->max_npiv_vports) {
+		DEBUG15(printk("scsi(%ld): num_vhosts %d is bigger than "
+		    "max_npv_vports %d.\n", ha->host_no,
+		    (uint16_t) ha->num_vhosts, (int) ha->max_npiv_vports));
+		return VPCERR_UNSUPPORTED;
+	}
+	return 0;
+}
+
+scsi_qla_host_t *
+qla24xx_create_vhost(struct fc_vport *fc_vport)
+{
+	scsi_qla_host_t *ha = (scsi_qla_host_t *) fc_vport->shost->hostdata;
+	scsi_qla_host_t *vha;
+	struct Scsi_Host *host;
+
+	host = scsi_host_alloc(&qla24xx_driver_template,
+	    sizeof(scsi_qla_host_t));
+	if (!host) {
+		printk(KERN_WARNING
+		    "qla2xxx: scsi_host_alloc() failed for vport\n");
+		return(NULL);
+	}
+
+	vha = (scsi_qla_host_t *)host->hostdata;
+
+	/* clone the parent hba */
+	memcpy(vha, ha, sizeof (scsi_qla_host_t));
+
+	fc_vport->dd_data = vha;
+
+	vha->node_name = kmalloc(WWN_SIZE * sizeof(char), GFP_KERNEL);
+	if (!vha->node_name)
+		goto create_vhost_failed_1;
+
+	vha->port_name = kmalloc(WWN_SIZE * sizeof(char), GFP_KERNEL);
+	if (!vha->port_name)
+		goto create_vhost_failed_2;
+
+	/* New host info */
+	u64_to_wwn(fc_vport->node_name, vha->node_name);
+	u64_to_wwn(fc_vport->port_name, vha->port_name);
+
+	vha->host = host;
+	vha->host_no = host->host_no;
+	vha->parent = ha;
+	vha->fc_vport = fc_vport;
+	vha->device_flags = 0;
+	vha->instance = num_hosts;
+	vha->vp_idx = qla24xx_allocate_vp_id(vha);
+	if (vha->vp_idx > ha->max_npiv_vports) {
+		DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n",
+			vha->host_no));
+		goto create_vhost_failed_3;
+	}
+	vha->mgmt_svr_loop_id = 10 + vha->vp_idx;
+
+	init_MUTEX(&vha->mbx_cmd_sem);
+	init_MUTEX_LOCKED(&vha->mbx_intr_sem);
+
+	INIT_LIST_HEAD(&vha->list);
+	INIT_LIST_HEAD(&vha->fcports);
+	INIT_LIST_HEAD(&vha->vp_fcports);
+
+	vha->dpc_flags = 0L;
+	set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
+	set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
+
+	/*
+	 * To fix the issue of processing a parent's RSCN for the vport before
+	 * its SCR is complete.
+	 */
+	set_bit(VP_SCR_NEEDED, &vha->vp_flags);
+	atomic_set(&vha->loop_state, LOOP_DOWN);
+	atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+
+	qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL);
+
+	host->can_queue = vha->request_q_length + 128;
+	host->this_id = 255;
+	host->cmd_per_lun = 3;
+	host->max_cmd_len = MAX_CMDSZ;
+	host->max_channel = MAX_BUSES - 1;
+	host->max_lun = MAX_LUNS;
+	host->unique_id = vha->instance;
+	host->max_id = MAX_TARGETS_2200;
+	host->transportt = qla2xxx_transport_vport_template;
+
+	DEBUG15(printk("DEBUG: detect vport hba %ld at address = %p\n",
+	    vha->host_no, vha));
+
+	vha->flags.init_done = 1;
+	num_hosts++;
+
+	down(&ha->vport_sem);
+	set_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map);
+	ha->cur_vport_count++;
+	up(&ha->vport_sem);
+
+	return vha;
+
+create_vhost_failed_3:
+	kfree(vha->port_name);
+
+create_vhost_failed_2:
+	kfree(vha->node_name);
+
+create_vhost_failed_1:
+	return NULL;
+}

drivers/scsi/qla2xxx/qla_os.c

@@ -29,8 +29,7 @@ static struct kmem_cache *srb_cachep;
 /*
  * Ioctl related information.
  */
-static int num_hosts;
-
+int num_hosts;
 int ql2xlogintimeout = 20;
 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xlogintimeout,
@@ -112,7 +111,7 @@ static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 static int qla2x00_change_queue_depth(struct scsi_device *, int);
 static int qla2x00_change_queue_type(struct scsi_device *, int);
 
-static struct scsi_host_template qla2x00_driver_template = {
+struct scsi_host_template qla2x00_driver_template = {
 	.module			= THIS_MODULE,
 	.name			= QLA2XXX_DRIVER_NAME,
 	.queuecommand		= qla2x00_queuecommand,
@@ -143,7 +142,7 @@ static struct scsi_host_template qla2x00_driver_template = {
 	.shost_attrs		= qla2x00_host_attrs,
 };
 
-static struct scsi_host_template qla24xx_driver_template = {
+struct scsi_host_template qla24xx_driver_template = {
 	.module			= THIS_MODULE,
 	.name			= QLA2XXX_DRIVER_NAME,
 	.queuecommand		= qla24xx_queuecommand,
@@ -171,21 +170,21 @@ static struct scsi_host_template qla24xx_driver_template = {
 };
 
 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
+struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 
 /* TODO Convert to inlines
  *
  * Timer routines
  */
-#define	WATCH_INTERVAL		1       /* number of seconds */
 
-static void qla2x00_timer(scsi_qla_host_t *);
+void qla2x00_timer(scsi_qla_host_t *);
 
-static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
+__inline__ void qla2x00_start_timer(scsi_qla_host_t *,
     void *, unsigned long);
 static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
-static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
+__inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
 
-static inline void
+__inline__ void
 qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
 {
 	init_timer(&ha->timer);
@@ -202,7 +201,7 @@ qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
 	mod_timer(&ha->timer, jiffies + interval * HZ);
 }
 
-static __inline__ void
+__inline__ void
 qla2x00_stop_timer(scsi_qla_host_t *ha)
 {
 	del_timer_sync(&ha->timer);
@@ -213,8 +212,8 @@ static int qla2x00_do_dpc(void *data);
 
 static void qla2x00_rst_aen(scsi_qla_host_t *);
 
-static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
-static void qla2x00_mem_free(scsi_qla_host_t *ha);
+uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
+void qla2x00_mem_free(scsi_qla_host_t *ha);
 static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
 static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
 static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
@@ -438,6 +437,7 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 	srb_t *sp;
 	int rval;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	rval = fc_remote_port_chkready(rport);
 	if (rval) {
@@ -453,7 +453,7 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
-		    atomic_read(&ha->loop_state) == LOOP_DEAD) {
+		    atomic_read(&pha->loop_state) == LOOP_DEAD) {
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc24_fail_command;
 		}
@@ -462,7 +462,7 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 
 	spin_unlock_irq(ha->host->host_lock);
 
-	sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
+	sp = qla2x00_get_new_sp(pha, fcport, cmd, done);
 	if (!sp)
 		goto qc24_host_busy_lock;
 
@@ -475,8 +475,8 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 	return 0;
 
 qc24_host_busy_free_sp:
-	qla2x00_sp_free_dma(ha, sp);
-	mempool_free(sp, ha->srb_mempool);
+	qla2x00_sp_free_dma(pha, sp);
+	mempool_free(sp, pha->srb_mempool);
 
 qc24_host_busy_lock:
 	spin_lock_irq(ha->host->host_lock);
@@ -548,16 +548,17 @@ qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
 {
 	int		return_status;
 	unsigned long	wait_online;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
-	while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
-	    test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
-	    test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
-	    ha->dpc_active) && time_before(jiffies, wait_online)) {
+	while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) ||
+	    test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) ||
+	    test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) ||
+	    pha->dpc_active) && time_before(jiffies, wait_online)) {
 
 		msleep(1000);
 	}
-	if (ha->flags.online)
+	if (pha->flags.online)
 		return_status = QLA_SUCCESS;
 	else
 		return_status = QLA_FUNCTION_FAILED;
@@ -588,14 +589,15 @@ qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
 {
 	int 	 return_status = QLA_SUCCESS;
 	unsigned long loop_timeout ;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	/* wait for 5 min at the max for loop to be ready */
 	loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 
-	while ((!atomic_read(&ha->loop_down_timer) &&
-	    atomic_read(&ha->loop_state) == LOOP_DOWN) ||
-	    atomic_read(&ha->loop_state) != LOOP_READY) {
-		if (atomic_read(&ha->loop_state) == LOOP_DEAD) {
+	while ((!atomic_read(&pha->loop_down_timer) &&
+	    atomic_read(&pha->loop_state) == LOOP_DOWN) ||
+	    atomic_read(&pha->loop_state) != LOOP_READY) {
+		if (atomic_read(&pha->loop_state) == LOOP_DEAD) {
 			return_status = QLA_FUNCTION_FAILED;
 			break;
 		}
@@ -650,6 +652,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 	unsigned long serial;
 	unsigned long flags;
 	int wait = 0;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	qla2x00_block_error_handler(cmd);
 
@@ -663,9 +666,9 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 	serial = cmd->serial_number;
 
 	/* Check active list for command command. */
-	spin_lock_irqsave(&ha->hardware_lock, flags);
+	spin_lock_irqsave(&pha->hardware_lock, flags);
 	for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
-		sp = ha->outstanding_cmds[i];
+		sp = pha->outstanding_cmds[i];
 
 		if (sp == NULL)
 			continue;
@@ -677,7 +680,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 		    __func__, ha->host_no, sp, serial));
 		DEBUG3(qla2x00_print_scsi_cmd(cmd));
 
-		spin_unlock_irqrestore(&ha->hardware_lock, flags);
+		spin_unlock_irqrestore(&pha->hardware_lock, flags);
 		if (ha->isp_ops.abort_command(ha, sp)) {
 			DEBUG2(printk("%s(%ld): abort_command "
 			    "mbx failed.\n", __func__, ha->host_no));
@@ -686,11 +689,11 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 			    "mbx success.\n", __func__, ha->host_no));
 			wait = 1;
 		}
-		spin_lock_irqsave(&ha->hardware_lock, flags);
+		spin_lock_irqsave(&pha->hardware_lock, flags);
 
 		break;
 	}
-	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	spin_unlock_irqrestore(&pha->hardware_lock, flags);
 
 	/* Wait for the command to be returned. */
 	if (wait) {
@@ -731,6 +734,7 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 	srb_t		*sp;
 	struct scsi_cmnd *cmd;
 	unsigned long flags;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	status = 0;
 
@@ -739,19 +743,20 @@ qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
 	 * array
 	 */
 	for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
-		spin_lock_irqsave(&ha->hardware_lock, flags);
-		sp = ha->outstanding_cmds[cnt];
+		spin_lock_irqsave(&pha->hardware_lock, flags);
+		sp = pha->outstanding_cmds[cnt];
 		if (sp) {
 			cmd = sp->cmd;
-			spin_unlock_irqrestore(&ha->hardware_lock, flags);
-			if (cmd->device->id == t) {
+			spin_unlock_irqrestore(&pha->hardware_lock, flags);
+			if (cmd->device->id == t &&
+			    ha->vp_idx == sp->ha->vp_idx) {
 				if (!qla2x00_eh_wait_on_command(ha, cmd)) {
 					status = 1;
 					break;
 				}
 			}
 		} else {
-			spin_unlock_irqrestore(&ha->hardware_lock, flags);
+			spin_unlock_irqrestore(&pha->hardware_lock, flags);
 		}
 	}
 	return (status);
@@ -782,14 +787,12 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
 {
 	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
-	int ret;
+	int ret = FAILED;
 	unsigned int id, lun;
 	unsigned long serial;
 
 	qla2x00_block_error_handler(cmd);
 
-	ret = FAILED;
-
 	id = cmd->device->id;
 	lun = cmd->device->lun;
 	serial = cmd->serial_number;
@@ -912,15 +915,14 @@ static int
 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 {
 	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
-	int ret;
+	int ret = FAILED;
 	unsigned int id, lun;
 	unsigned long serial;
 
 	qla2x00_block_error_handler(cmd);
 
-	ret = FAILED;
-
 	id = cmd->device->id;
 	lun = cmd->device->lun;
 	serial = cmd->serial_number;
@@ -944,7 +946,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 		goto eh_bus_reset_done;
 
 	/* Flush outstanding commands. */
-	if (!qla2x00_eh_wait_for_pending_commands(ha))
+	if (!qla2x00_eh_wait_for_pending_commands(pha))
 		ret = FAILED;
 
 eh_bus_reset_done:
@@ -974,14 +976,13 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 {
 	scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
-	int ret;
+	int ret = FAILED;
 	unsigned int id, lun;
 	unsigned long serial;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	qla2x00_block_error_handler(cmd);
 
-	ret = FAILED;
-
 	id = cmd->device->id;
 	lun = cmd->device->lun;
 	serial = cmd->serial_number;
@@ -1004,21 +1005,24 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	 * while dpc is stuck for the mailbox to complete.
 	 */
 	qla2x00_wait_for_loop_ready(ha);
-	set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
-	if (qla2x00_abort_isp(ha)) {
-		clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
+	set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
+	if (qla2x00_abort_isp(pha)) {
+		clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 		/* failed. schedule dpc to try */
-		set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+		set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags);
 
 		if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
 			goto eh_host_reset_lock;
 	}
-	clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
+	clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags);
 
 	/* Waiting for our command in done_queue to be returned to OS.*/
-	if (qla2x00_eh_wait_for_pending_commands(ha))
+	if (qla2x00_eh_wait_for_pending_commands(pha))
 		ret = SUCCESS;
 
+	if (ha->parent)
+		qla2x00_vp_abort_isp(ha);
+
 eh_host_reset_lock:
 	qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
 	    (ret == FAILED) ? "failed" : "succeded");
@@ -1435,6 +1439,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	ha->host = host;
 	ha->host_no = host->host_no;
 	sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no);
+	ha->parent = NULL;
 
 	/* Set ISP-type information. */
 	qla2x00_set_isp_flags(ha);
@@ -1452,7 +1457,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	ha->prev_topology = 0;
 	ha->init_cb_size = sizeof(init_cb_t);
-	ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
+	ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx;
 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
 	ha->optrom_size = OPTROM_SIZE_2300;
 
@@ -1524,8 +1529,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
 		ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
 		ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
-		ha->init_cb_size = sizeof(struct init_cb_24xx);
-		ha->mgmt_svr_loop_id = 10;
+		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
+		ha->mgmt_svr_loop_id = 10 + ha->vp_idx;
 		ha->isp_ops.pci_config = qla24xx_pci_config;
 		ha->isp_ops.reset_chip = qla24xx_reset_chip;
 		ha->isp_ops.chip_diag = qla24xx_chip_diag;
@@ -1563,10 +1568,14 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	ha->instance = num_hosts;
 
 	init_MUTEX(&ha->mbx_cmd_sem);
+	init_MUTEX(&ha->vport_sem);
 	init_MUTEX_LOCKED(&ha->mbx_intr_sem);
 
 	INIT_LIST_HEAD(&ha->list);
 	INIT_LIST_HEAD(&ha->fcports);
+	INIT_LIST_HEAD(&ha->vp_list);
+
+	set_bit(0, (unsigned long *) ha->vp_idx_map);
 
 	qla2x00_config_dma_addressing(ha);
 	if (qla2x00_mem_alloc(ha)) {
@@ -1789,7 +1798,8 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport,
 void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
     int do_login, int defer)
 {
-	if (atomic_read(&fcport->state) == FCS_ONLINE)
+	if (atomic_read(&fcport->state) == FCS_ONLINE &&
+	    ha->vp_idx == fcport->vp_idx)
 		qla2x00_schedule_rport_del(ha, fcport, defer);
 
 	/*
@@ -1840,19 +1850,23 @@ void
 qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
 {
 	fc_port_t *fcport;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
-	list_for_each_entry(fcport, &ha->fcports, list) {
-		if (fcport->port_type != FCT_TARGET)
+	list_for_each_entry(fcport, &pha->fcports, list) {
+		if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx)
 			continue;
-
 		/*
 		 * No point in marking the device as lost, if the device is
 		 * already DEAD.
 		 */
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
 			continue;
-		if (atomic_read(&fcport->state) == FCS_ONLINE)
-			qla2x00_schedule_rport_del(ha, fcport, defer);
+		if (atomic_read(&fcport->state) == FCS_ONLINE) {
+			if (defer)
+				qla2x00_schedule_rport_del(ha, fcport, defer);
+			else if (ha->vp_idx == fcport->vp_idx)
+				qla2x00_schedule_rport_del(ha, fcport, defer);
+		}
 		atomic_set(&fcport->state, FCS_DEVICE_LOST);
 	}
 
@@ -1868,7 +1882,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer)
 *      0  = success.
 *      1  = failure.
 */
-static uint8_t
+uint8_t
 qla2x00_mem_alloc(scsi_qla_host_t *ha)
 {
 	char	name[16];
@@ -1920,33 +1934,33 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha)
 			continue;
 		}
 
-		snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
-		    ha->host_no);
-		ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
-		    DMA_POOL_SIZE, 8, 0);
-		if (ha->s_dma_pool == NULL) {
+		/* get consistent memory allocated for init control block */
+		ha->init_cb = dma_alloc_coherent(&ha->pdev->dev,
+		    ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL);
+		if (ha->init_cb == NULL) {
 			qla_printk(KERN_WARNING, ha,
-			    "Memory Allocation failed - s_dma_pool\n");
+			    "Memory Allocation failed - init_cb\n");
 
 			qla2x00_mem_free(ha);
 			msleep(100);
 
 			continue;
 		}
+		memset(ha->init_cb, 0, ha->init_cb_size);
 
-		/* get consistent memory allocated for init control block */
-		ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
-		    &ha->init_cb_dma);
-		if (ha->init_cb == NULL) {
+		snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME,
+		    ha->host_no);
+		ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
+		    DMA_POOL_SIZE, 8, 0);
+		if (ha->s_dma_pool == NULL) {
 			qla_printk(KERN_WARNING, ha,
-			    "Memory Allocation failed - init_cb\n");
+			    "Memory Allocation failed - s_dma_pool\n");
 
 			qla2x00_mem_free(ha);
 			msleep(100);
 
 			continue;
 		}
-		memset(ha->init_cb, 0, ha->init_cb_size);
 
 		if (qla2x00_allocate_sp_pool(ha)) {
 			qla_printk(KERN_WARNING, ha,
@@ -2052,7 +2066,7 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha)
 * Input:
 *      ha = adapter block pointer.
 */
-static void
+void
 qla2x00_mem_free(scsi_qla_host_t *ha)
 {
 	struct list_head	*fcpl, *fcptemp;
@@ -2088,12 +2102,13 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
 	if (ha->ms_iocb)
 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
 
-	if (ha->init_cb)
-		dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
-
 	if (ha->s_dma_pool)
 		dma_pool_destroy(ha->s_dma_pool);
 
+	if (ha->init_cb)
+		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
+		    ha->init_cb, ha->init_cb_dma);
+
 	if (ha->gid_list)
 		dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
 		    ha->gid_list_dma);
@@ -2199,6 +2214,7 @@ qla2x00_free_sp_pool( scsi_qla_host_t *ha)
 static int
 qla2x00_do_dpc(void *data)
 {
+	int		rval;
 	scsi_qla_host_t *ha;
 	fc_port_t	*fcport;
 	uint8_t		status;
@@ -2347,7 +2363,7 @@ qla2x00_do_dpc(void *data)
 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
 			    &ha->dpc_flags))) {
 
-				qla2x00_loop_resync(ha);
+				rval = qla2x00_loop_resync(ha);
 
 				clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
 			}
@@ -2374,6 +2390,8 @@ qla2x00_do_dpc(void *data)
 		if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags))
 			ha->isp_ops.beacon_blink(ha);
 
+		qla2x00_do_dpc_all_vps(ha);
+
 		ha->dpc_active = 0;
 	} /* End of while(1) */
 
@@ -2452,7 +2470,7 @@ qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
 *
 * Context: Interrupt
 ***************************************************************************/
-static void
+void
 qla2x00_timer(scsi_qla_host_t *ha)
 {
 	unsigned long	cpu_flags = 0;
@@ -2461,6 +2479,7 @@ qla2x00_timer(scsi_qla_host_t *ha)
 	int		index;
 	srb_t		*sp;
 	int		t;
+	scsi_qla_host_t *pha = to_qla_parent(ha);
 
 	/*
 	 * Ports - Port down timer.
@@ -2506,23 +2525,29 @@ qla2x00_timer(scsi_qla_host_t *ha)
 				atomic_set(&ha->loop_state, LOOP_DEAD);
 
 			/* Schedule an ISP abort to return any tape commands. */
-			spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
-			for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
-			    index++) {
-				fc_port_t *sfcp;
+			/* NPIV - scan physical port only */
+			if (!ha->parent) {
+				spin_lock_irqsave(&ha->hardware_lock,
+				    cpu_flags);
+				for (index = 1;
+				    index < MAX_OUTSTANDING_COMMANDS;
+				    index++) {
+					fc_port_t *sfcp;
+
+					sp = ha->outstanding_cmds[index];
+					if (!sp)
+						continue;
+					sfcp = sp->fcport;
+					if (!(sfcp->flags & FCF_TAPE_PRESENT))
+						continue;
 
-				sp = ha->outstanding_cmds[index];
-				if (!sp)
-					continue;
-				sfcp = sp->fcport;
-				if (!(sfcp->flags & FCF_TAPE_PRESENT))
-					continue;
-
-				set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
-				break;
+					set_bit(ISP_ABORT_NEEDED,
+					    &ha->dpc_flags);
+					break;
+				}
+				spin_unlock_irqrestore(&ha->hardware_lock,
+				    cpu_flags);
 			}
-			spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
-
 			set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
 			start_dpc++;
 		}
@@ -2566,8 +2591,9 @@ qla2x00_timer(scsi_qla_host_t *ha)
 	    test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
 	    test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
 	    test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) ||
+	    test_bit(VP_DPC_NEEDED, &ha->dpc_flags) ||
 	    test_bit(RELOGIN_NEEDED, &ha->dpc_flags)))
-		qla2xxx_wake_dpc(ha);
+		qla2xxx_wake_dpc(pha);
 
 	qla2x00_restart_timer(ha, WATCH_INTERVAL);
 }
@@ -2711,14 +2737,24 @@ qla2x00_module_init(void)
 
 	qla2xxx_transport_template =
 	    fc_attach_transport(&qla2xxx_transport_functions);
-	if (!qla2xxx_transport_template)
+	if (!qla2xxx_transport_template) {
+		kmem_cache_destroy(srb_cachep);
+		return -ENODEV;
+	}
+	qla2xxx_transport_vport_template =
+	    fc_attach_transport(&qla2xxx_transport_vport_functions);
+	if (!qla2xxx_transport_vport_template) {
+		kmem_cache_destroy(srb_cachep);
+		fc_release_transport(qla2xxx_transport_template);
 		return -ENODEV;
+	}
 
 	printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
 	ret = pci_register_driver(&qla2xxx_pci_driver);
 	if (ret) {
 		kmem_cache_destroy(srb_cachep);
 		fc_release_transport(qla2xxx_transport_template);
+		fc_release_transport(qla2xxx_transport_vport_template);
 	}
 	return ret;
 }
@@ -2733,6 +2769,7 @@ qla2x00_module_exit(void)
 	qla2x00_release_firmware();
 	kmem_cache_destroy(srb_cachep);
 	fc_release_transport(qla2xxx_transport_template);
+	fc_release_transport(qla2xxx_transport_vport_template);
 }
 
 module_init(qla2x00_module_init);