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

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (204 commits) [SCSI] qla4xxx: export address/port of connection (fix udev disk names) [SCSI] ipr: Fix BUG on adapter dump timeout [SCSI] megaraid_sas: Fix instance access in megasas_reset_timer [SCSI] hpsa: change confusing message to be more clear [SCSI] iscsi class: fix vlan configuration [SCSI] qla4xxx: fix data alignment and use nl helpers [SCSI] iscsi class: fix link local mispelling [SCSI] iscsi class: Replace iscsi_get_next_target_id with IDA [SCSI] aacraid: use lower snprintf() limit [SCSI] lpfc 8.3.27: Change driver version to 8.3.27 [SCSI] lpfc 8.3.27: T10 additions for SLI4 [SCSI] lpfc 8.3.27: Fix queue allocation failure recovery [SCSI] lpfc 8.3.27: Change algorithm for getting physical port name [SCSI] lpfc 8.3.27: Changed worst case mailbox timeout [SCSI] lpfc 8.3.27: Miscellanous logic and interface fixes [SCSI] megaraid_sas: Changelog and version update [SCSI] megaraid_sas: Add driver workaround for PERC5/1068 kdump kernel panic [SCSI] megaraid_sas: Add multiple MSI-X vector/multiple reply queue support [SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2011-10-28 16:44:18 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2011-10-28 16:44:18 -0700
commit: ec7ae517537ae5c7b0b2cd7f562dfa3e7a05b954 (patch)
tree: e6b0c64a51a7c0aa0efd09d4f7a80872e3b1657a /drivers/scsi
parent: 97d2eb13a019ec09cc1a7ea2d3705c0b117b3c0d (diff)
parent: 590134fa78fbdbe5fea78c7ae0b2c3364bc9572f (diff)
127 files changed, 12772 insertions, 3040 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 3878b7395081..aa573c39f596 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -309,6 +309,7 @@ config SCSI_FC_TGT_ATTRS
 config SCSI_ISCSI_ATTRS
 	tristate "iSCSI Transport Attributes"
 	depends on SCSI && NET
+	select BLK_DEV_BSGLIB
 	help
 	  If you wish to export transport-specific information about
 	  each attached iSCSI device to sysfs, say Y.
@@ -559,6 +560,15 @@ source "drivers/scsi/aic7xxx/Kconfig.aic79xx"
 source "drivers/scsi/aic94xx/Kconfig"
 source "drivers/scsi/mvsas/Kconfig"
 
+config SCSI_MVUMI
+	tristate "Marvell UMI driver"
+	depends on SCSI && PCI
+	help
+	  Module for Marvell Universal Message Interface(UMI) driver
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called mvumi.
+
 config SCSI_DPT_I2O
 	tristate "Adaptec I2O RAID support "
 	depends on SCSI && PCI && VIRT_TO_BUS
@@ -1872,10 +1882,6 @@ config ZFCP
           called zfcp. If you want to compile it as a module, say M here
           and read <file:Documentation/kbuild/modules.txt>.
 
-config ZFCP_DIF
-	tristate "T10 DIF/DIX support for the zfcp driver (EXPERIMENTAL)"
-	depends on ZFCP && EXPERIMENTAL
-
 config SCSI_PMCRAID
 	tristate "PMC SIERRA Linux MaxRAID adapter support"
 	depends on PCI && SCSI && NET
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 6153a66a8a31..2b887498be50 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -134,6 +134,7 @@ obj-$(CONFIG_SCSI_IBMVFC)	+= ibmvscsi/
 obj-$(CONFIG_SCSI_HPTIOP)	+= hptiop.o
 obj-$(CONFIG_SCSI_STEX)		+= stex.o
 obj-$(CONFIG_SCSI_MVSAS)	+= mvsas/
+obj-$(CONFIG_SCSI_MVUMI)	+= mvumi.o
 obj-$(CONFIG_PS3_ROM)		+= ps3rom.o
 obj-$(CONFIG_SCSI_CXGB3_ISCSI)	+= libiscsi.o libiscsi_tcp.o cxgbi/
 obj-$(CONFIG_SCSI_CXGB4_ISCSI)	+= libiscsi.o libiscsi_tcp.o cxgbi/
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 3382475dc22d..4aa76d6f11df 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -894,16 +894,17 @@ static ssize_t aac_show_serial_number(struct device *device,
 	int len = 0;
 
 	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-		len = snprintf(buf, PAGE_SIZE, "%06X\n",
+		len = snprintf(buf, 16, "%06X\n",
 		  le32_to_cpu(dev->adapter_info.serial[0]));
 	if (len &&
 	  !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 	    sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 	  buf, len-1))
-		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
+		len = snprintf(buf, 16, "%.*s\n",
 		  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 		  dev->supplement_adapter_info.MfgPcbaSerialNo);
-	return len;
+
+	return min(len, 16);
 }
 
 static ssize_t aac_show_max_channel(struct device *device,
diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c
index 29593275201a..fdac7c2fef37 100644
--- a/drivers/scsi/aic94xx/aic94xx_scb.c
+++ b/drivers/scsi/aic94xx/aic94xx_scb.c
@@ -906,6 +906,7 @@ int asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg)
 
 	switch (func) {
 	case PHY_FUNC_CLEAR_ERROR_LOG:
+	case PHY_FUNC_GET_EVENTS:
 		return -ENOSYS;
 	case PHY_FUNC_SET_LINK_RATE:
 		rates = arg;
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index b8a82f2c62c8..cdb15364bc69 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -660,6 +660,7 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 	spin_lock(&phba->ctrl.mbox_lock);
 	ctrl = &phba->ctrl;
 	wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	memset(wrb, 0, sizeof(*wrb));
 	req = embedded_payload(wrb);
 	ctxt = &req->context;
 
@@ -868,3 +869,22 @@ error:
 		beiscsi_cmd_q_destroy(ctrl, NULL, QTYPE_SGL);
 	return status;
 }
+
+int beiscsi_cmd_reset_function(struct beiscsi_hba  *phba)
+{
+	struct be_ctrl_info *ctrl = &phba->ctrl;
+	struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
+	struct be_post_sgl_pages_req *req = embedded_payload(wrb);
+	int status;
+
+	spin_lock(&ctrl->mbox_lock);
+
+	req = embedded_payload(wrb);
+	be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+			   OPCODE_COMMON_FUNCTION_RESET, sizeof(*req));
+	status = be_mbox_notify_wait(phba);
+
+	spin_unlock(&ctrl->mbox_lock);
+	return status;
+}
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index 497eb29e5c9e..8b40a5b4366c 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -561,6 +561,8 @@ int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 				struct be_dma_mem *q_mem, u32 page_offset,
 				u32 num_pages);
 
+int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
+
 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 		       struct be_queue_info *wrbq);
 
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 3cad10605023..8b002f6db6ca 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -177,9 +177,8 @@ int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
 {
 	struct iscsi_conn *conn = cls_conn->dd_data;
 	struct beiscsi_conn *beiscsi_conn = conn->dd_data;
-	struct Scsi_Host *shost =
-		(struct Scsi_Host *)iscsi_session_to_shost(cls_session);
-	struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
+	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
+	struct beiscsi_hba *phba = iscsi_host_priv(shost);
 	struct beiscsi_endpoint *beiscsi_ep;
 	struct iscsi_endpoint *ep;
 
@@ -290,7 +289,7 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
 int beiscsi_get_host_param(struct Scsi_Host *shost,
 			   enum iscsi_host_param param, char *buf)
 {
-	struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost);
+	struct beiscsi_hba *phba = iscsi_host_priv(shost);
 	int status = 0;
 
 	SE_DEBUG(DBG_LVL_8, "In beiscsi_get_host_param, param= %d\n", param);
@@ -733,3 +732,56 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
 	beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
 	iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
 }
+
+mode_t be2iscsi_attr_is_visible(int param_type, int param)
+{
+	switch (param_type) {
+	case ISCSI_HOST_PARAM:
+		switch (param) {
+		case ISCSI_HOST_PARAM_HWADDRESS:
+		case ISCSI_HOST_PARAM_IPADDRESS:
+		case ISCSI_HOST_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	case ISCSI_PARAM:
+		switch (param) {
+		case ISCSI_PARAM_MAX_RECV_DLENGTH:
+		case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+		case ISCSI_PARAM_HDRDGST_EN:
+		case ISCSI_PARAM_DATADGST_EN:
+		case ISCSI_PARAM_CONN_ADDRESS:
+		case ISCSI_PARAM_CONN_PORT:
+		case ISCSI_PARAM_EXP_STATSN:
+		case ISCSI_PARAM_PERSISTENT_ADDRESS:
+		case ISCSI_PARAM_PERSISTENT_PORT:
+		case ISCSI_PARAM_PING_TMO:
+		case ISCSI_PARAM_RECV_TMO:
+		case ISCSI_PARAM_INITIAL_R2T_EN:
+		case ISCSI_PARAM_MAX_R2T:
+		case ISCSI_PARAM_IMM_DATA_EN:
+		case ISCSI_PARAM_FIRST_BURST:
+		case ISCSI_PARAM_MAX_BURST:
+		case ISCSI_PARAM_PDU_INORDER_EN:
+		case ISCSI_PARAM_DATASEQ_INORDER_EN:
+		case ISCSI_PARAM_ERL:
+		case ISCSI_PARAM_TARGET_NAME:
+		case ISCSI_PARAM_TPGT:
+		case ISCSI_PARAM_USERNAME:
+		case ISCSI_PARAM_PASSWORD:
+		case ISCSI_PARAM_USERNAME_IN:
+		case ISCSI_PARAM_PASSWORD_IN:
+		case ISCSI_PARAM_FAST_ABORT:
+		case ISCSI_PARAM_ABORT_TMO:
+		case ISCSI_PARAM_LU_RESET_TMO:
+		case ISCSI_PARAM_IFACE_NAME:
+		case ISCSI_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
diff --git a/drivers/scsi/be2iscsi/be_iscsi.h b/drivers/scsi/be2iscsi/be_iscsi.h
index ff60b7fd92d6..4a1f2e393f31 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.h
+++ b/drivers/scsi/be2iscsi/be_iscsi.h
@@ -26,6 +26,8 @@
 #define BE2_IPV4  0x1
 #define BE2_IPV6  0x10
 
+mode_t be2iscsi_attr_is_visible(int param_type, int param);
+
 void beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn,
 				struct beiscsi_offload_params *params);
 
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 0a9bdfa3d939..7b0a8ab71049 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -822,33 +822,47 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
 	struct hwi_controller *phwi_ctrlr;
 	struct hwi_context_memory *phwi_context;
 	int ret, msix_vec, i, j;
-	char desc[32];
 
 	phwi_ctrlr = phba->phwi_ctrlr;
 	phwi_context = phwi_ctrlr->phwi_ctxt;
 
 	if (phba->msix_enabled) {
 		for (i = 0; i < phba->num_cpus; i++) {
-			sprintf(desc, "beiscsi_msix_%04x", i);
+			phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME,
+						    GFP_KERNEL);
+			if (!phba->msi_name[i]) {
+				ret = -ENOMEM;
+				goto free_msix_irqs;
+			}
+
+			sprintf(phba->msi_name[i], "beiscsi_%02x_%02x",
+				phba->shost->host_no, i);
 			msix_vec = phba->msix_entries[i].vector;
-			ret = request_irq(msix_vec, be_isr_msix, 0, desc,
+			ret = request_irq(msix_vec, be_isr_msix, 0,
+					  phba->msi_name[i],
 					  &phwi_context->be_eq[i]);
 			if (ret) {
 				shost_printk(KERN_ERR, phba->shost,
 					     "beiscsi_init_irqs-Failed to"
 					     "register msix for i = %d\n", i);
-				if (!i)
-					return ret;
+				kfree(phba->msi_name[i]);
 				goto free_msix_irqs;
 			}
 		}
+		phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME, GFP_KERNEL);
+		if (!phba->msi_name[i]) {
+			ret = -ENOMEM;
+			goto free_msix_irqs;
+		}
+		sprintf(phba->msi_name[i], "beiscsi_mcc_%02x",
+			phba->shost->host_no);
 		msix_vec = phba->msix_entries[i].vector;
-		ret = request_irq(msix_vec, be_isr_mcc, 0, "beiscsi_msix_mcc",
+		ret = request_irq(msix_vec, be_isr_mcc, 0, phba->msi_name[i],
 				  &phwi_context->be_eq[i]);
 		if (ret) {
 			shost_printk(KERN_ERR, phba->shost, "beiscsi_init_irqs-"
 				     "Failed to register beiscsi_msix_mcc\n");
-			i++;
+			kfree(phba->msi_name[i]);
 			goto free_msix_irqs;
 		}
 
@@ -863,8 +877,11 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba)
 	}
 	return 0;
 free_msix_irqs:
-	for (j = i - 1; j == 0; j++)
+	for (j = i - 1; j >= 0; j--) {
+		kfree(phba->msi_name[j]);
+		msix_vec = phba->msix_entries[j].vector;
 		free_irq(msix_vec, &phwi_context->be_eq[j]);
+	}
 	return ret;
 }
 
@@ -1106,7 +1123,12 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn,
 						& SOL_STS_MASK) >> 8);
 	flags = ((psol->dw[offsetof(struct amap_sol_cqe, i_flags) / 32]
 					& SOL_FLAGS_MASK) >> 24) | 0x80;
+	if (!task->sc) {
+		if (io_task->scsi_cmnd)
+			scsi_dma_unmap(io_task->scsi_cmnd);
 
+		return;
+	}
 	task->sc->result = (DID_OK << 16) | status;
 	if (rsp != ISCSI_STATUS_CMD_COMPLETED) {
 		task->sc->result = DID_ERROR << 16;
@@ -4027,11 +4049,11 @@ static int beiscsi_mtask(struct iscsi_task *task)
 				      TGT_DM_CMD);
 			AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt,
 				      pwrb, 0);
-			AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
+			AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 1);
 		} else {
 			AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
 				      INI_RD_CMD);
-			AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 1);
+			AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
 		}
 		hwi_write_buffer(pwrb, task);
 		break;
@@ -4102,9 +4124,8 @@ static int beiscsi_task_xmit(struct iscsi_task *task)
 	return beiscsi_iotask(task, sg, num_sg, xferlen, writedir);
 }
 
-static void beiscsi_remove(struct pci_dev *pcidev)
+static void beiscsi_quiesce(struct beiscsi_hba *phba)
 {
-	struct beiscsi_hba *phba = NULL;
 	struct hwi_controller *phwi_ctrlr;
 	struct hwi_context_memory *phwi_context;
 	struct be_eq_obj *pbe_eq;
@@ -4112,12 +4133,6 @@ static void beiscsi_remove(struct pci_dev *pcidev)
 	u8 *real_offset = 0;
 	u32 value = 0;
 
-	phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev);
-	if (!phba) {
-		dev_err(&pcidev->dev, "beiscsi_remove called with no phba\n");
-		return;
-	}
-
 	phwi_ctrlr = phba->phwi_ctrlr;
 	phwi_context = phwi_ctrlr->phwi_ctxt;
 	hwi_disable_intr(phba);
@@ -4125,6 +4140,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
 		for (i = 0; i <= phba->num_cpus; i++) {
 			msix_vec = phba->msix_entries[i].vector;
 			free_irq(msix_vec, &phwi_context->be_eq[i]);
+			kfree(phba->msi_name[i]);
 		}
 	} else
 		if (phba->pcidev->irq)
@@ -4152,10 +4168,40 @@ static void beiscsi_remove(struct pci_dev *pcidev)
 			    phba->ctrl.mbox_mem_alloced.size,
 			    phba->ctrl.mbox_mem_alloced.va,
 			    phba->ctrl.mbox_mem_alloced.dma);
+}
+
+static void beiscsi_remove(struct pci_dev *pcidev)
+{
+
+	struct beiscsi_hba *phba = NULL;
+
+	phba = pci_get_drvdata(pcidev);
+	if (!phba) {
+		dev_err(&pcidev->dev, "beiscsi_remove called with no phba\n");
+		return;
+	}
+
+	beiscsi_quiesce(phba);
 	iscsi_boot_destroy_kset(phba->boot_kset);
 	iscsi_host_remove(phba->shost);
 	pci_dev_put(phba->pcidev);
 	iscsi_host_free(phba->shost);
+	pci_disable_device(pcidev);
+}
+
+static void beiscsi_shutdown(struct pci_dev *pcidev)
+{
+
+	struct beiscsi_hba *phba = NULL;
+
+	phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev);
+	if (!phba) {
+		dev_err(&pcidev->dev, "beiscsi_shutdown called with no phba\n");
+		return;
+	}
+
+	beiscsi_quiesce(phba);
+	pci_disable_device(pcidev);
 }
 
 static void beiscsi_msix_enable(struct beiscsi_hba *phba)
@@ -4235,7 +4281,7 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
 			gcrashmode++;
 			shost_printk(KERN_ERR, phba->shost,
 				"Loading Driver in crashdump mode\n");
-			ret = beiscsi_pci_soft_reset(phba);
+			ret = beiscsi_cmd_reset_function(phba);
 			if (ret) {
 				shost_printk(KERN_ERR, phba->shost,
 					"Reset Failed. Aborting Crashdump\n");
@@ -4364,37 +4410,12 @@ struct iscsi_transport beiscsi_iscsi_transport = {
 	.name = DRV_NAME,
 	.caps = CAP_RECOVERY_L0 | CAP_HDRDGST | CAP_TEXT_NEGO |
 		CAP_MULTI_R2T | CAP_DATADGST | CAP_DATA_PATH_OFFLOAD,
-	.param_mask = ISCSI_MAX_RECV_DLENGTH |
-		ISCSI_MAX_XMIT_DLENGTH |
-		ISCSI_HDRDGST_EN |
-		ISCSI_DATADGST_EN |
-		ISCSI_INITIAL_R2T_EN |
-		ISCSI_MAX_R2T |
-		ISCSI_IMM_DATA_EN |
-		ISCSI_FIRST_BURST |
-		ISCSI_MAX_BURST |
-		ISCSI_PDU_INORDER_EN |
-		ISCSI_DATASEQ_INORDER_EN |
-		ISCSI_ERL |
-		ISCSI_CONN_PORT |
-		ISCSI_CONN_ADDRESS |
-		ISCSI_EXP_STATSN |
-		ISCSI_PERSISTENT_PORT |
-		ISCSI_PERSISTENT_ADDRESS |
-		ISCSI_TARGET_NAME | ISCSI_TPGT |
-		ISCSI_USERNAME | ISCSI_PASSWORD |
-		ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
-		ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
-		ISCSI_LU_RESET_TMO |
-		ISCSI_PING_TMO | ISCSI_RECV_TMO |
-		ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
-	.host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
-				ISCSI_HOST_INITIATOR_NAME,
 	.create_session = beiscsi_session_create,
 	.destroy_session = beiscsi_session_destroy,
 	.create_conn = beiscsi_conn_create,
 	.bind_conn = beiscsi_conn_bind,
 	.destroy_conn = iscsi_conn_teardown,
+	.attr_is_visible = be2iscsi_attr_is_visible,
 	.set_param = beiscsi_set_param,
 	.get_conn_param = iscsi_conn_get_param,
 	.get_session_param = iscsi_session_get_param,
@@ -4418,6 +4439,7 @@ static struct pci_driver beiscsi_pci_driver = {
 	.name = DRV_NAME,
 	.probe = beiscsi_dev_probe,
 	.remove = beiscsi_remove,
+	.shutdown = beiscsi_shutdown,
 	.id_table = beiscsi_pci_id_table
 };
 
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 5ce5170254ca..b4a06d5e5f9e 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -34,7 +34,7 @@
 
 #include "be.h"
 #define DRV_NAME		"be2iscsi"
-#define BUILD_STR		"2.103.298.0"
+#define BUILD_STR		"4.1.239.0"
 #define BE_NAME			"ServerEngines BladeEngine2" \
 				"Linux iSCSI Driver version" BUILD_STR
 #define DRV_DESC		BE_NAME " " "Driver"
@@ -162,6 +162,8 @@ do {							\
 #define PAGES_REQUIRED(x) \
 	((x < PAGE_SIZE) ? 1 :  ((x + PAGE_SIZE - 1) / PAGE_SIZE))
 
+#define BEISCSI_MSI_NAME 20 /* size of msi_name string */
+
 enum be_mem_enum {
 	HWI_MEM_ADDN_CONTEXT,
 	HWI_MEM_WRB,
@@ -287,6 +289,7 @@ struct beiscsi_hba {
 	unsigned int num_cpus;
 	unsigned int nxt_cqid;
 	struct msix_entry msix_entries[MAX_CPUS + 1];
+	char *msi_name[MAX_CPUS + 1];
 	bool msix_enabled;
 	struct be_mem_descriptor *init_mem;
 
diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h
index dd335a2a797b..63de1c7cd0cb 100644
--- a/drivers/scsi/bnx2fc/bnx2fc.h
+++ b/drivers/scsi/bnx2fc/bnx2fc.h
@@ -62,7 +62,7 @@
 #include "bnx2fc_constants.h"
 
 #define BNX2FC_NAME		"bnx2fc"
-#define BNX2FC_VERSION		"1.0.4"
+#define BNX2FC_VERSION		"1.0.8"
 
 #define PFX			"bnx2fc: "
 
@@ -224,6 +224,7 @@ struct bnx2fc_interface {
 	struct fcoe_ctlr ctlr;
 	u8 vlan_enabled;
 	int vlan_id;
+	bool enabled;
 };
 
 #define bnx2fc_from_ctlr(fip) container_of(fip, struct bnx2fc_interface, ctlr)
diff --git a/drivers/scsi/bnx2fc/bnx2fc_els.c b/drivers/scsi/bnx2fc/bnx2fc_els.c
index d66dcbd0df10..fd382fe33f6e 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_els.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_els.c
@@ -391,18 +391,6 @@ void bnx2fc_rec_compl(struct bnx2fc_els_cb_arg *cb_arg)
 	BNX2FC_IO_DBG(rec_req, "rec_compl: orig xid = 0x%x", orig_io_req->xid);
 	tgt = orig_io_req->tgt;
 
-	if (test_bit(BNX2FC_FLAG_IO_COMPL, &orig_io_req->req_flags)) {
-		BNX2FC_IO_DBG(rec_req, "completed"
-		       "orig_io - 0x%x\n",
-			orig_io_req->xid);
-		goto rec_compl_done;
-	}
-	if (test_bit(BNX2FC_FLAG_ISSUE_ABTS, &orig_io_req->req_flags)) {
-		BNX2FC_IO_DBG(rec_req, "abts in prog "
-		       "orig_io - 0x%x\n",
-			orig_io_req->xid);
-		goto rec_compl_done;
-	}
 	/* Handle REC timeout case */
 	if (test_and_clear_bit(BNX2FC_FLAG_ELS_TIMEOUT, &rec_req->req_flags)) {
 		BNX2FC_IO_DBG(rec_req, "timed out, abort "
@@ -433,6 +421,20 @@ void bnx2fc_rec_compl(struct bnx2fc_els_cb_arg *cb_arg)
 		}
 		goto rec_compl_done;
 	}
+
+	if (test_bit(BNX2FC_FLAG_IO_COMPL, &orig_io_req->req_flags)) {
+		BNX2FC_IO_DBG(rec_req, "completed"
+		       "orig_io - 0x%x\n",
+			orig_io_req->xid);
+		goto rec_compl_done;
+	}
+	if (test_bit(BNX2FC_FLAG_ISSUE_ABTS, &orig_io_req->req_flags)) {
+		BNX2FC_IO_DBG(rec_req, "abts in prog "
+		       "orig_io - 0x%x\n",
+			orig_io_req->xid);
+		goto rec_compl_done;
+	}
+
 	mp_req = &(rec_req->mp_req);
 	fc_hdr = &(mp_req->resp_fc_hdr);
 	resp_len = mp_req->resp_len;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 820a1840c3f7..85bcc4b55965 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -22,7 +22,7 @@ DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu);
 
 #define DRV_MODULE_NAME		"bnx2fc"
 #define DRV_MODULE_VERSION	BNX2FC_VERSION
-#define DRV_MODULE_RELDATE	"Jun 23, 2011"
+#define DRV_MODULE_RELDATE	"Oct 02, 2011"
 
 
 static char version[] __devinitdata =
@@ -56,6 +56,7 @@ static struct scsi_host_template bnx2fc_shost_template;
 static struct fc_function_template bnx2fc_transport_function;
 static struct fc_function_template bnx2fc_vport_xport_function;
 static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode);
+static void __bnx2fc_destroy(struct bnx2fc_interface *interface);
 static int bnx2fc_destroy(struct net_device *net_device);
 static int bnx2fc_enable(struct net_device *netdev);
 static int bnx2fc_disable(struct net_device *netdev);
@@ -64,7 +65,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb);
 
 static void bnx2fc_start_disc(struct bnx2fc_interface *interface);
 static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev);
-static int bnx2fc_net_config(struct fc_lport *lp);
 static int bnx2fc_lport_config(struct fc_lport *lport);
 static int bnx2fc_em_config(struct fc_lport *lport);
 static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba);
@@ -78,6 +78,7 @@ static void bnx2fc_destroy_work(struct work_struct *work);
 static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev);
 static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
 							*phys_dev);
+static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface);
 static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic);
 
 static int bnx2fc_fw_init(struct bnx2fc_hba *hba);
@@ -98,6 +99,25 @@ static struct notifier_block bnx2fc_cpu_notifier = {
 	.notifier_call = bnx2fc_cpu_callback,
 };
 
+static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
+{
+	return ((struct bnx2fc_interface *)
+		((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
+}
+
+/**
+ * bnx2fc_get_lesb() - Fill the FCoE Link Error Status Block
+ * @lport: the local port
+ * @fc_lesb: the link error status block
+ */
+static void bnx2fc_get_lesb(struct fc_lport *lport,
+			    struct fc_els_lesb *fc_lesb)
+{
+	struct net_device *netdev = bnx2fc_netdev(lport);
+
+	__fcoe_get_lesb(lport, fc_lesb, netdev);
+}
+
 static void bnx2fc_clean_rx_queue(struct fc_lport *lp)
 {
 	struct fcoe_percpu_s *bg;
@@ -545,6 +565,14 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
 			break;
 		}
 	}
+
+	if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
+		/* Drop incoming ABTS */
+		put_cpu();
+		kfree_skb(skb);
+		return;
+	}
+
 	if (le32_to_cpu(fr_crc(fp)) !=
 			~crc32(~0, skb->data, fr_len)) {
 		if (stats->InvalidCRCCount < 5)
@@ -727,7 +755,7 @@ void bnx2fc_get_link_state(struct bnx2fc_hba *hba)
 		clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
 }
 
-static int bnx2fc_net_config(struct fc_lport *lport)
+static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
 {
 	struct bnx2fc_hba *hba;
 	struct bnx2fc_interface *interface;
@@ -753,11 +781,16 @@ static int bnx2fc_net_config(struct fc_lport *lport)
 	bnx2fc_link_speed_update(lport);
 
 	if (!lport->vport) {
-		wwnn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, 1, 0);
+		if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
+			wwnn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr,
+						 1, 0);
 		BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
 		fc_set_wwnn(lport, wwnn);
 
-		wwpn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, 2, 0);
+		if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN))
+			wwpn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr,
+						 2, 0);
+
 		BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
 		fc_set_wwpn(lport, wwpn);
 	}
@@ -769,8 +802,8 @@ static void bnx2fc_destroy_timer(unsigned long data)
 {
 	struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data;
 
-	BNX2FC_MISC_DBG("ERROR:bnx2fc_destroy_timer - "
-		   "Destroy compl not received!!\n");
+	printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - "
+	       "Destroy compl not received!!\n");
 	set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
 	wake_up_interruptible(&hba->destroy_wait);
 }
@@ -783,7 +816,7 @@ static void bnx2fc_destroy_timer(unsigned long data)
  * @vlan_id:	vlan id - associated vlan id with this event
  *
  * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and
- * NETDEV_CHANGE_MTU events
+ * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans.
  */
 static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 				     u16 vlan_id)
@@ -791,12 +824,11 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 	struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
 	struct fc_lport *lport;
 	struct fc_lport *vport;
-	struct bnx2fc_interface *interface;
+	struct bnx2fc_interface *interface, *tmp;
 	int wait_for_upload = 0;
 	u32 link_possible = 1;
 
-	/* Ignore vlans for now */
-	if (vlan_id != 0)
+	if (vlan_id != 0 && event != NETDEV_UNREGISTER)
 		return;
 
 	switch (event) {
@@ -820,6 +852,18 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 	case NETDEV_CHANGE:
 		break;
 
+	case NETDEV_UNREGISTER:
+		if (!vlan_id)
+			return;
+		mutex_lock(&bnx2fc_dev_lock);
+		list_for_each_entry_safe(interface, tmp, &if_list, list) {
+			if (interface->hba == hba &&
+			    interface->vlan_id == (vlan_id & VLAN_VID_MASK))
+				__bnx2fc_destroy(interface);
+		}
+		mutex_unlock(&bnx2fc_dev_lock);
+		return;
+
 	default:
 		printk(KERN_ERR PFX "Unkonwn netevent %ld", event);
 		return;
@@ -838,8 +882,15 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 		bnx2fc_link_speed_update(lport);
 
 		if (link_possible && !bnx2fc_link_ok(lport)) {
-			printk(KERN_ERR "indicate_netevent: ctlr_link_up\n");
-			fcoe_ctlr_link_up(&interface->ctlr);
+			/* Reset max recv frame size to default */
+			fc_set_mfs(lport, BNX2FC_MFS);
+			/*
+			 * ctlr link up will only be handled during
+			 * enable to avoid sending discovery solicitation
+			 * on a stale vlan
+			 */
+			if (interface->enabled)
+				fcoe_ctlr_link_up(&interface->ctlr);
 		} else if (fcoe_ctlr_link_down(&interface->ctlr)) {
 			mutex_lock(&lport->lp_mutex);
 			list_for_each_entry(vport, &lport->vports, list)
@@ -995,6 +1046,17 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
 	struct bnx2fc_interface *interface = port->priv;
 	struct net_device *netdev = interface->netdev;
 	struct fc_lport *vn_port;
+	int rc;
+	char buf[32];
+
+	rc = fcoe_validate_vport_create(vport);
+	if (rc) {
+		fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
+		printk(KERN_ERR PFX "Failed to create vport, "
+		       "WWPN (0x%s) already exists\n",
+		       buf);
+		return rc;
+	}
 
 	if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
 		printk(KERN_ERR PFX "vn ports cannot be created on"
@@ -1024,16 +1086,46 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
 	return 0;
 }
 
+static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport)
+{
+	struct bnx2fc_lport *blport, *tmp;
+
+	spin_lock_bh(&hba->hba_lock);
+	list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
+		if (blport->lport == lport) {
+			list_del(&blport->list);
+			kfree(blport);
+		}
+	}
+	spin_unlock_bh(&hba->hba_lock);
+}
+
 static int bnx2fc_vport_destroy(struct fc_vport *vport)
 {
 	struct Scsi_Host *shost = vport_to_shost(vport);
 	struct fc_lport *n_port = shost_priv(shost);
 	struct fc_lport *vn_port = vport->dd_data;
 	struct fcoe_port *port = lport_priv(vn_port);
+	struct bnx2fc_interface *interface = port->priv;
+	struct fc_lport *v_port;
+	bool found = false;
 
 	mutex_lock(&n_port->lp_mutex);
+	list_for_each_entry(v_port, &n_port->vports, list)
+		if (v_port->vport == vport) {
+			found = true;
+			break;
+		}
+
+	if (!found) {
+		mutex_unlock(&n_port->lp_mutex);
+		return -ENOENT;
+	}
 	list_del(&vn_port->list);
 	mutex_unlock(&n_port->lp_mutex);
+	bnx2fc_free_vport(interface->hba, port->lport);
+	bnx2fc_port_shutdown(port->lport);
+	bnx2fc_interface_put(interface);
 	queue_work(bnx2fc_wq, &port->destroy_work);
 	return 0;
 }
@@ -1054,7 +1146,7 @@ static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable)
 }
 
 
-static int bnx2fc_netdev_setup(struct bnx2fc_interface *interface)
+static int bnx2fc_interface_setup(struct bnx2fc_interface *interface)
 {
 	struct net_device *netdev = interface->netdev;
 	struct net_device *physdev = interface->hba->phys_dev;
@@ -1252,7 +1344,7 @@ struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba,
 	interface->ctlr.get_src_addr = bnx2fc_get_src_mac;
 	set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags);
 
-	rc = bnx2fc_netdev_setup(interface);
+	rc = bnx2fc_interface_setup(interface);
 	if (!rc)
 		return interface;
 
@@ -1318,7 +1410,7 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
 		fc_set_wwpn(lport, vport->port_name);
 	}
 	/* Configure netdev and networking properties of the lport */
-	rc = bnx2fc_net_config(lport);
+	rc = bnx2fc_net_config(lport, interface->netdev);
 	if (rc) {
 		printk(KERN_ERR PFX "Error on bnx2fc_net_config\n");
 		goto lp_config_err;
@@ -1372,7 +1464,7 @@ free_blport:
 	return NULL;
 }
 
-static void bnx2fc_netdev_cleanup(struct bnx2fc_interface *interface)
+static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface)
 {
 	/* Dont listen for Ethernet packets anymore */
 	__dev_remove_pack(&interface->fcoe_packet_type);
@@ -1380,10 +1472,11 @@ static void bnx2fc_netdev_cleanup(struct bnx2fc_interface *interface)
 	synchronize_net();
 }
 
-static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba)
+static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface)
 {
+	struct fc_lport *lport = interface->ctlr.lp;
 	struct fcoe_port *port = lport_priv(lport);
-	struct bnx2fc_lport *blport, *tmp;
+	struct bnx2fc_hba *hba = interface->hba;
 
 	/* Stop the transmit retry timer */
 	del_timer_sync(&port->timer);
@@ -1391,6 +1484,14 @@ static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba)
 	/* Free existing transmit skbs */
 	fcoe_clean_pending_queue(lport);
 
+	bnx2fc_net_cleanup(interface);
+
+	bnx2fc_free_vport(hba, lport);
+}
+
+static void bnx2fc_if_destroy(struct fc_lport *lport)
+{
+
 	/* Free queued packets for the receive thread */
 	bnx2fc_clean_rx_queue(lport);
 
@@ -1407,19 +1508,22 @@ static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba)
 	/* Free memory used by statistical counters */
 	fc_lport_free_stats(lport);
 
-	spin_lock_bh(&hba->hba_lock);
-	list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
-		if (blport->lport == lport) {
-			list_del(&blport->list);
-			kfree(blport);
-		}
-	}
-	spin_unlock_bh(&hba->hba_lock);
-
 	/* Release Scsi_Host */
 	scsi_host_put(lport->host);
 }
 
+static void __bnx2fc_destroy(struct bnx2fc_interface *interface)
+{
+	struct fc_lport *lport = interface->ctlr.lp;
+	struct fcoe_port *port = lport_priv(lport);
+
+	bnx2fc_interface_cleanup(interface);
+	bnx2fc_stop(interface);
+	list_del(&interface->list);
+	bnx2fc_interface_put(interface);
+	queue_work(bnx2fc_wq, &port->destroy_work);
+}
+
 /**
  * bnx2fc_destroy - Destroy a bnx2fc FCoE interface
  *
@@ -1433,8 +1537,6 @@ static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba)
 static int bnx2fc_destroy(struct net_device *netdev)
 {
 	struct bnx2fc_interface *interface = NULL;
-	struct bnx2fc_hba *hba;
-	struct fc_lport *lport;
 	int rc = 0;
 
 	rtnl_lock();
@@ -1447,15 +1549,9 @@ static int bnx2fc_destroy(struct net_device *netdev)
 		goto netdev_err;
 	}
 
-	hba = interface->hba;
 
-	bnx2fc_netdev_cleanup(interface);
-	lport = interface->ctlr.lp;
-	bnx2fc_stop(interface);
-	list_del(&interface->list);
 	destroy_workqueue(interface->timer_work_queue);
-	bnx2fc_interface_put(interface);
-	bnx2fc_if_destroy(lport, hba);
+	__bnx2fc_destroy(interface);
 
 netdev_err:
 	mutex_unlock(&bnx2fc_dev_lock);
@@ -1467,22 +1563,13 @@ static void bnx2fc_destroy_work(struct work_struct *work)
 {
 	struct fcoe_port *port;
 	struct fc_lport *lport;
-	struct bnx2fc_interface *interface;
-	struct bnx2fc_hba *hba;
 
 	port = container_of(work, struct fcoe_port, destroy_work);
 	lport = port->lport;
-	interface = port->priv;
-	hba = interface->hba;
 
 	BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n");
 
-	bnx2fc_port_shutdown(lport);
-	rtnl_lock();
-	mutex_lock(&bnx2fc_dev_lock);
-	bnx2fc_if_destroy(lport, hba);
-	mutex_unlock(&bnx2fc_dev_lock);
-	rtnl_unlock();
+	bnx2fc_if_destroy(lport);
 }
 
 static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba)
@@ -1661,6 +1748,7 @@ static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
 			wait_event_interruptible(hba->destroy_wait,
 					test_bit(BNX2FC_FLAG_DESTROY_CMPL,
 						 &hba->flags));
+			clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
 			/* This should never happen */
 			if (signal_pending(current))
 				flush_signals(current);
@@ -1723,7 +1811,7 @@ static void bnx2fc_start_disc(struct bnx2fc_interface *interface)
 	lport = interface->ctlr.lp;
 	BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
 
-	if (!bnx2fc_link_ok(lport)) {
+	if (!bnx2fc_link_ok(lport) && interface->enabled) {
 		BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
 		fcoe_ctlr_link_up(&interface->ctlr);
 		fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
@@ -1737,6 +1825,11 @@ static void bnx2fc_start_disc(struct bnx2fc_interface *interface)
 		if (++wait_cnt > 12)
 			break;
 	}
+
+	/* Reset max receive frame size to default */
+	if (fc_set_mfs(lport, BNX2FC_MFS))
+		return;
+
 	fc_lport_init(lport);
 	fc_fabric_login(lport);
 }
@@ -1800,6 +1893,7 @@ static int bnx2fc_disable(struct net_device *netdev)
 		rc = -ENODEV;
 		printk(KERN_ERR PFX "bnx2fc_disable: interface or lport not found\n");
 	} else {
+		interface->enabled = false;
 		fcoe_ctlr_link_down(&interface->ctlr);
 		fcoe_clean_pending_queue(interface->ctlr.lp);
 	}
@@ -1822,8 +1916,10 @@ static int bnx2fc_enable(struct net_device *netdev)
 	if (!interface || !interface->ctlr.lp) {
 		rc = -ENODEV;
 		printk(KERN_ERR PFX "bnx2fc_enable: interface or lport not found\n");
-	} else if (!bnx2fc_link_ok(interface->ctlr.lp))
+	} else if (!bnx2fc_link_ok(interface->ctlr.lp)) {
 		fcoe_ctlr_link_up(&interface->ctlr);
+		interface->enabled = true;
+	}
 
 	mutex_unlock(&bnx2fc_dev_lock);
 	rtnl_unlock();
@@ -1923,7 +2019,6 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
 	if (!lport) {
 		printk(KERN_ERR PFX "Failed to create interface (%s)\n",
 			netdev->name);
-		bnx2fc_netdev_cleanup(interface);
 		rc = -EINVAL;
 		goto if_create_err;
 	}
@@ -1936,8 +2031,15 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
 	/* Make this master N_port */
 	interface->ctlr.lp = lport;
 
+	if (!bnx2fc_link_ok(lport)) {
+		fcoe_ctlr_link_up(&interface->ctlr);
+		fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
+		set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
+	}
+
 	BNX2FC_HBA_DBG(lport, "create: START DISC\n");
 	bnx2fc_start_disc(interface);
+	interface->enabled = true;
 	/*
 	 * Release from kref_init in bnx2fc_interface_setup, on success
 	 * lport should be holding a reference taken in bnx2fc_if_create
@@ -1951,6 +2053,7 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
 if_create_err:
 	destroy_workqueue(interface->timer_work_queue);
 ifput_err:
+	bnx2fc_net_cleanup(interface);
 	bnx2fc_interface_put(interface);
 netdev_err:
 	module_put(THIS_MODULE);
@@ -2017,7 +2120,6 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev)
 {
 	struct bnx2fc_hba *hba;
 	struct bnx2fc_interface *interface, *tmp;
-	struct fc_lport *lport;
 
 	BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n");
 
@@ -2039,18 +2141,10 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev)
 	list_del_init(&hba->list);
 	adapter_count--;
 
-	list_for_each_entry_safe(interface, tmp, &if_list, list) {
+	list_for_each_entry_safe(interface, tmp, &if_list, list)
 		/* destroy not called yet, move to quiesced list */
-		if (interface->hba == hba) {
-			bnx2fc_netdev_cleanup(interface);
-			bnx2fc_stop(interface);
-
-			list_del(&interface->list);
-			lport = interface->ctlr.lp;
-			bnx2fc_interface_put(interface);
-			bnx2fc_if_destroy(lport, hba);
-		}
-	}
+		if (interface->hba == hba)
+			__bnx2fc_destroy(interface);
 	mutex_unlock(&bnx2fc_dev_lock);
 
 	bnx2fc_ulp_stop(hba);
@@ -2119,7 +2213,7 @@ static void bnx2fc_percpu_thread_create(unsigned int cpu)
 				(void *)p,
 				"bnx2fc_thread/%d", cpu);
 	/* bind thread to the cpu */
-	if (likely(!IS_ERR(p->iothread))) {
+	if (likely(!IS_ERR(thread))) {
 		kthread_bind(thread, cpu);
 		p->iothread = thread;
 		wake_up_process(thread);
@@ -2131,7 +2225,6 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu)
 	struct bnx2fc_percpu_s *p;
 	struct task_struct *thread;
 	struct bnx2fc_work *work, *tmp;
-	LIST_HEAD(work_list);
 
 	BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu);
 
@@ -2143,7 +2236,7 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu)
 
 
 	/* Free all work in the list */
-	list_for_each_entry_safe(work, tmp, &work_list, list) {
+	list_for_each_entry_safe(work, tmp, &p->work_list, list) {
 		list_del_init(&work->list);
 		bnx2fc_process_cq_compl(work->tgt, work->wqe);
 		kfree(work);
@@ -2376,6 +2469,7 @@ static struct fc_function_template bnx2fc_transport_function = {
 	.vport_create = bnx2fc_vport_create,
 	.vport_delete = bnx2fc_vport_destroy,
 	.vport_disable = bnx2fc_vport_disable,
+	.bsg_request = fc_lport_bsg_request,
 };
 
 static struct fc_function_template bnx2fc_vport_xport_function = {
@@ -2409,6 +2503,7 @@ static struct fc_function_template bnx2fc_vport_xport_function = {
 	.get_fc_host_stats = fc_get_host_stats,
 	.issue_fc_host_lip = bnx2fc_fcoe_reset,
 	.terminate_rport_io = fc_rport_terminate_io,
+	.bsg_request = fc_lport_bsg_request,
 };
 
 /**
@@ -2438,6 +2533,7 @@ static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
 	.elsct_send		= bnx2fc_elsct_send,
 	.fcp_abort_io		= bnx2fc_abort_io,
 	.fcp_cleanup		= bnx2fc_cleanup,
+	.get_lesb		= bnx2fc_get_lesb,
 	.rport_event_callback	= bnx2fc_rport_event_handler,
 };
 
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
index 72cfb14acd3a..1923a25cb6a2 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
@@ -1009,6 +1009,7 @@ int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt)
 	u32 cq_cons;
 	struct fcoe_cqe *cqe;
 	u32 num_free_sqes = 0;
+	u32 num_cqes = 0;
 	u16 wqe;
 
 	/*
@@ -1058,10 +1059,11 @@ unlock:
 				wake_up_process(fps->iothread);
 			else
 				bnx2fc_process_cq_compl(tgt, wqe);
+			num_free_sqes++;
 		}
 		cqe++;
 		tgt->cq_cons_idx++;
-		num_free_sqes++;
+		num_cqes++;
 
 		if (tgt->cq_cons_idx == BNX2FC_CQ_WQES_MAX) {
 			tgt->cq_cons_idx = 0;
@@ -1070,8 +1072,10 @@ unlock:
 				1 - tgt->cq_curr_toggle_bit;
 		}
 	}
-	if (num_free_sqes) {
-		bnx2fc_arm_cq(tgt);
+	if (num_cqes) {
+		/* Arm CQ only if doorbell is mapped */
+		if (tgt->ctx_base)
+			bnx2fc_arm_cq(tgt);
 		atomic_add(num_free_sqes, &tgt->free_sqes);
 	}
 	spin_unlock_bh(&tgt->cq_lock);
@@ -1739,11 +1743,13 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
 	/* Init state to NORMAL */
 	task->txwr_rxrd.const_ctx.init_flags |= task_type <<
 				FCOE_TCE_TX_WR_RX_RD_CONST_TASK_TYPE_SHIFT;
-	if (dev_type == TYPE_TAPE)
+	if (dev_type == TYPE_TAPE) {
 		task->txwr_rxrd.const_ctx.init_flags |=
 				FCOE_TASK_DEV_TYPE_TAPE <<
 				FCOE_TCE_TX_WR_RX_RD_CONST_DEV_TYPE_SHIFT;
-	else
+		io_req->rec_retry = 0;
+		io_req->rec_retry = 0;
+	} else
 		task->txwr_rxrd.const_ctx.init_flags |=
 				FCOE_TASK_DEV_TYPE_DISK <<
 				FCOE_TCE_TX_WR_RX_RD_CONST_DEV_TYPE_SHIFT;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
index 6cc3789075bc..0c64d184d731 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
@@ -17,7 +17,7 @@
 static int bnx2fc_split_bd(struct bnx2fc_cmd *io_req, u64 addr, int sg_len,
 			   int bd_index);
 static int bnx2fc_map_sg(struct bnx2fc_cmd *io_req);
-static void bnx2fc_build_bd_list_from_sg(struct bnx2fc_cmd *io_req);
+static int bnx2fc_build_bd_list_from_sg(struct bnx2fc_cmd *io_req);
 static void bnx2fc_unmap_sg_list(struct bnx2fc_cmd *io_req);
 static void bnx2fc_free_mp_resc(struct bnx2fc_cmd *io_req);
 static void bnx2fc_parse_fcp_rsp(struct bnx2fc_cmd *io_req,
@@ -1251,7 +1251,6 @@ void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnp_req,
 			seq_clnp_req->xid);
 		goto free_cb_arg;
 	}
-	kref_get(&orig_io_req->refcount);
 
 	spin_unlock_bh(&tgt->tgt_lock);
 	rc = bnx2fc_send_srr(orig_io_req, offset, r_ctl);
@@ -1569,6 +1568,8 @@ static int bnx2fc_split_bd(struct bnx2fc_cmd *io_req, u64 addr, int sg_len,
 
 static int bnx2fc_map_sg(struct bnx2fc_cmd *io_req)
 {
+	struct bnx2fc_interface *interface = io_req->port->priv;
+	struct bnx2fc_hba *hba = interface->hba;
 	struct scsi_cmnd *sc = io_req->sc_cmd;
 	struct fcoe_bd_ctx *bd = io_req->bd_tbl->bd_tbl;
 	struct scatterlist *sg;
@@ -1580,7 +1581,8 @@ static int bnx2fc_map_sg(struct bnx2fc_cmd *io_req)
 	u64 addr;
 	int i;
 
-	sg_count = scsi_dma_map(sc);
+	sg_count = dma_map_sg(&hba->pcidev->dev, scsi_sglist(sc),
+			      scsi_sg_count(sc), sc->sc_data_direction);
 	scsi_for_each_sg(sc, sg, sg_count, i) {
 		sg_len = sg_dma_len(sg);
 		addr = sg_dma_address(sg);
@@ -1605,20 +1607,24 @@ static int bnx2fc_map_sg(struct bnx2fc_cmd *io_req)
 	return bd_count;
 }
 
-static void bnx2fc_build_bd_list_from_sg(struct bnx2fc_cmd *io_req)
+static int bnx2fc_build_bd_list_from_sg(struct bnx2fc_cmd *io_req)
 {
 	struct scsi_cmnd *sc = io_req->sc_cmd;
 	struct fcoe_bd_ctx *bd = io_req->bd_tbl->bd_tbl;
 	int bd_count;
 
-	if (scsi_sg_count(sc))
+	if (scsi_sg_count(sc)) {
 		bd_count = bnx2fc_map_sg(io_req);
-	else {
+		if (bd_count == 0)
+			return -ENOMEM;
+	} else {
 		bd_count = 0;
 		bd[0].buf_addr_lo = bd[0].buf_addr_hi = 0;
 		bd[0].buf_len = bd[0].flags = 0;
 	}
 	io_req->bd_tbl->bd_valid = bd_count;
+
+	return 0;
 }
 
 static void bnx2fc_unmap_sg_list(struct bnx2fc_cmd *io_req)
@@ -1790,12 +1796,6 @@ int bnx2fc_queuecommand(struct Scsi_Host *host,
 	tgt = (struct bnx2fc_rport *)&rp[1];
 
 	if (!test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags)) {
-		if (test_bit(BNX2FC_FLAG_UPLD_REQ_COMPL, &tgt->flags))  {
-			sc_cmd->result = DID_NO_CONNECT << 16;
-			sc_cmd->scsi_done(sc_cmd);
-			return 0;
-
-		}
 		/*
 		 * Session is not offloaded yet. Let SCSI-ml retry
 		 * the command.
@@ -1946,7 +1946,13 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt,
 	xid = io_req->xid;
 
 	/* Build buffer descriptor list for firmware from sg list */
-	bnx2fc_build_bd_list_from_sg(io_req);
+	if (bnx2fc_build_bd_list_from_sg(io_req)) {
+		printk(KERN_ERR PFX "BD list creation failed\n");
+		spin_lock_bh(&tgt->tgt_lock);
+		kref_put(&io_req->refcount, bnx2fc_cmd_release);
+		spin_unlock_bh(&tgt->tgt_lock);
+		return -EAGAIN;
+	}
 
 	task_idx = xid / BNX2FC_TASKS_PER_PAGE;
 	index = xid % BNX2FC_TASKS_PER_PAGE;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
index d5311b577cca..c1800b531270 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
@@ -76,7 +76,7 @@ static void bnx2fc_offload_session(struct fcoe_port *port,
 	if (rval) {
 		printk(KERN_ERR PFX "Failed to allocate conn id for "
 			"port_id (%6x)\n", rport->port_id);
-		goto ofld_err;
+		goto tgt_init_err;
 	}
 
 	/* Allocate session resources */
@@ -134,18 +134,17 @@ retry_ofld:
 		/* upload will take care of cleaning up sess resc */
 		lport->tt.rport_logoff(rdata);
 	}
-	/* Arm CQ */
-	bnx2fc_arm_cq(tgt);
 	return;
 
 ofld_err:
 	/* couldn't offload the session. log off from this rport */
 	BNX2FC_TGT_DBG(tgt, "bnx2fc_offload_session - offload error\n");
-	lport->tt.rport_logoff(rdata);
 	/* Free session resources */
 	bnx2fc_free_session_resc(hba, tgt);
+tgt_init_err:
 	if (tgt->fcoe_conn_id != -1)
 		bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id);
+	lport->tt.rport_logoff(rdata);
 }
 
 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt)
@@ -624,7 +623,6 @@ static void bnx2fc_free_conn_id(struct bnx2fc_hba *hba, u32 conn_id)
 	/* called with hba mutex held */
 	spin_lock_bh(&hba->hba_lock);
 	hba->tgt_ofld_list[conn_id] = NULL;
-	hba->next_conn_id = conn_id;
 	spin_unlock_bh(&hba->hba_lock);
 }
 
@@ -791,8 +789,6 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba,
 	return 0;
 
 mem_alloc_failure:
-	bnx2fc_free_session_resc(hba, tgt);
-	bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id);
 	return -ENOMEM;
 }
 
@@ -807,14 +803,14 @@ mem_alloc_failure:
 static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba,
 						struct bnx2fc_rport *tgt)
 {
-	BNX2FC_TGT_DBG(tgt, "Freeing up session resources\n");
+	void __iomem *ctx_base_ptr;
 
-	if (tgt->ctx_base) {
-		iounmap(tgt->ctx_base);
-		tgt->ctx_base = NULL;
-	}
+	BNX2FC_TGT_DBG(tgt, "Freeing up session resources\n");
 
 	spin_lock_bh(&tgt->cq_lock);
+	ctx_base_ptr = tgt->ctx_base;
+	tgt->ctx_base = NULL;
+
 	/* Free LCQ */
 	if (tgt->lcq) {
 		dma_free_coherent(&hba->pcidev->dev, tgt->lcq_mem_size,
@@ -868,4 +864,7 @@ static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba,
 		tgt->sq = NULL;
 	}
 	spin_unlock_bh(&tgt->cq_lock);
+
+	if (ctx_base_ptr)
+		iounmap(ctx_base_ptr);
 }
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index cffd4d75df56..d1e697190970 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -2177,6 +2177,59 @@ static int bnx2i_nl_set_path(struct Scsi_Host *shost, struct iscsi_path *params)
 	return 0;
 }
 
+static mode_t bnx2i_attr_is_visible(int param_type, int param)
+{
+	switch (param_type) {
+	case ISCSI_HOST_PARAM:
+		switch (param) {
+		case ISCSI_HOST_PARAM_NETDEV_NAME:
+		case ISCSI_HOST_PARAM_HWADDRESS:
+		case ISCSI_HOST_PARAM_IPADDRESS:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	case ISCSI_PARAM:
+		switch (param) {
+		case ISCSI_PARAM_MAX_RECV_DLENGTH:
+		case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+		case ISCSI_PARAM_HDRDGST_EN:
+		case ISCSI_PARAM_DATADGST_EN:
+		case ISCSI_PARAM_CONN_ADDRESS:
+		case ISCSI_PARAM_CONN_PORT:
+		case ISCSI_PARAM_EXP_STATSN:
+		case ISCSI_PARAM_PERSISTENT_ADDRESS:
+		case ISCSI_PARAM_PERSISTENT_PORT:
+		case ISCSI_PARAM_PING_TMO:
+		case ISCSI_PARAM_RECV_TMO:
+		case ISCSI_PARAM_INITIAL_R2T_EN:
+		case ISCSI_PARAM_MAX_R2T:
+		case ISCSI_PARAM_IMM_DATA_EN:
+		case ISCSI_PARAM_FIRST_BURST:
+		case ISCSI_PARAM_MAX_BURST:
+		case ISCSI_PARAM_PDU_INORDER_EN:
+		case ISCSI_PARAM_DATASEQ_INORDER_EN:
+		case ISCSI_PARAM_ERL:
+		case ISCSI_PARAM_TARGET_NAME:
+		case ISCSI_PARAM_TPGT:
+		case ISCSI_PARAM_USERNAME:
+		case ISCSI_PARAM_PASSWORD:
+		case ISCSI_PARAM_USERNAME_IN:
+		case ISCSI_PARAM_PASSWORD_IN:
+		case ISCSI_PARAM_FAST_ABORT:
+		case ISCSI_PARAM_ABORT_TMO:
+		case ISCSI_PARAM_LU_RESET_TMO:
+		case ISCSI_PARAM_TGT_RESET_TMO:
+		case ISCSI_PARAM_IFACE_NAME:
+		case ISCSI_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
 
 /*
  * 'Scsi_Host_Template' structure and 'iscsi_tranport' structure template
@@ -2207,37 +2260,12 @@ struct iscsi_transport bnx2i_iscsi_transport = {
 				  CAP_MULTI_R2T | CAP_DATADGST |
 				  CAP_DATA_PATH_OFFLOAD |
 				  CAP_TEXT_NEGO,
-	.param_mask		= ISCSI_MAX_RECV_DLENGTH |
-				  ISCSI_MAX_XMIT_DLENGTH |
-				  ISCSI_HDRDGST_EN |
-				  ISCSI_DATADGST_EN |
-				  ISCSI_INITIAL_R2T_EN |
-				  ISCSI_MAX_R2T |
-				  ISCSI_IMM_DATA_EN |
-				  ISCSI_FIRST_BURST |
-				  ISCSI_MAX_BURST |
-				  ISCSI_PDU_INORDER_EN |
-				  ISCSI_DATASEQ_INORDER_EN |
-				  ISCSI_ERL |
-				  ISCSI_CONN_PORT |
-				  ISCSI_CONN_ADDRESS |
-				  ISCSI_EXP_STATSN |
-				  ISCSI_PERSISTENT_PORT |
-				  ISCSI_PERSISTENT_ADDRESS |
-				  ISCSI_TARGET_NAME | ISCSI_TPGT |
-				  ISCSI_USERNAME | ISCSI_PASSWORD |
-				  ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
-				  ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
-				  ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO |
-				  ISCSI_PING_TMO | ISCSI_RECV_TMO |
-				  ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
-	.host_param_mask	= ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
-				  ISCSI_HOST_NETDEV_NAME,
 	.create_session		= bnx2i_session_create,
 	.destroy_session	= bnx2i_session_destroy,
 	.create_conn		= bnx2i_conn_create,
 	.bind_conn		= bnx2i_conn_bind,
 	.destroy_conn		= bnx2i_conn_destroy,
+	.attr_is_visible	= bnx2i_attr_is_visible,
 	.set_param		= iscsi_set_param,
 	.get_conn_param		= iscsi_conn_get_param,
 	.get_session_param	= iscsi_session_get_param,
diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
index 1242c7c04a01..000294a9df80 100644
--- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
+++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
@@ -105,25 +105,7 @@ static struct iscsi_transport cxgb3i_iscsi_transport = {
 	.caps		= CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST
 				| CAP_DATADGST | CAP_DIGEST_OFFLOAD |
 				CAP_PADDING_OFFLOAD | CAP_TEXT_NEGO,
-	.param_mask	= ISCSI_MAX_RECV_DLENGTH | ISCSI_MAX_XMIT_DLENGTH |
-				ISCSI_HDRDGST_EN | ISCSI_DATADGST_EN |
-				ISCSI_INITIAL_R2T_EN | ISCSI_MAX_R2T |
-				ISCSI_IMM_DATA_EN | ISCSI_FIRST_BURST |
-				ISCSI_MAX_BURST | ISCSI_PDU_INORDER_EN |
-				ISCSI_DATASEQ_INORDER_EN | ISCSI_ERL |
-				ISCSI_CONN_PORT | ISCSI_CONN_ADDRESS |
-				ISCSI_EXP_STATSN | ISCSI_PERSISTENT_PORT |
-				ISCSI_PERSISTENT_ADDRESS |
-				ISCSI_TARGET_NAME | ISCSI_TPGT |
-				ISCSI_USERNAME | ISCSI_PASSWORD |
-				ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
-				ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
-				ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO |
-				ISCSI_PING_TMO | ISCSI_RECV_TMO |
-				ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
-	.host_param_mask	= ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
-				ISCSI_HOST_INITIATOR_NAME |
-				ISCSI_HOST_NETDEV_NAME,
+	.attr_is_visible	= cxgbi_attr_is_visible,
 	.get_host_param	= cxgbi_get_host_param,
 	.set_host_param	= cxgbi_set_host_param,
 	/* session management */
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 31c79bde6976..ac7a9b1e3e23 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -106,25 +106,7 @@ static struct iscsi_transport cxgb4i_iscsi_transport = {
 	.caps		= CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST |
 				CAP_DATADGST | CAP_DIGEST_OFFLOAD |
 				CAP_PADDING_OFFLOAD | CAP_TEXT_NEGO,
-	.param_mask	= ISCSI_MAX_RECV_DLENGTH | ISCSI_MAX_XMIT_DLENGTH |
-				ISCSI_HDRDGST_EN | ISCSI_DATADGST_EN |
-				ISCSI_INITIAL_R2T_EN | ISCSI_MAX_R2T |
-				ISCSI_IMM_DATA_EN | ISCSI_FIRST_BURST |
-				ISCSI_MAX_BURST | ISCSI_PDU_INORDER_EN |
-				ISCSI_DATASEQ_INORDER_EN | ISCSI_ERL |
-				ISCSI_CONN_PORT | ISCSI_CONN_ADDRESS |
-				ISCSI_EXP_STATSN | ISCSI_PERSISTENT_PORT |
-				ISCSI_PERSISTENT_ADDRESS |
-				ISCSI_TARGET_NAME | ISCSI_TPGT |
-				ISCSI_USERNAME | ISCSI_PASSWORD |
-				ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
-				ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
-				ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO |
-				ISCSI_PING_TMO | ISCSI_RECV_TMO |
-				ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
-	.host_param_mask	= ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
-				ISCSI_HOST_INITIATOR_NAME |
-				ISCSI_HOST_NETDEV_NAME,
+	.attr_is_visible	= cxgbi_attr_is_visible,
 	.get_host_param	= cxgbi_get_host_param,
 	.set_host_param	= cxgbi_set_host_param,
 	/* session management */
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index 1c1329bc77c7..c363a4b260fd 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -2568,6 +2568,62 @@ void cxgbi_iscsi_cleanup(struct iscsi_transport *itp,
 }
 EXPORT_SYMBOL_GPL(cxgbi_iscsi_cleanup);
 
+mode_t cxgbi_attr_is_visible(int param_type, int param)
+{
+	switch (param_type) {
+	case ISCSI_HOST_PARAM:
+		switch (param) {
+		case ISCSI_HOST_PARAM_NETDEV_NAME:
+		case ISCSI_HOST_PARAM_HWADDRESS:
+		case ISCSI_HOST_PARAM_IPADDRESS:
+		case ISCSI_HOST_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	case ISCSI_PARAM:
+		switch (param) {
+		case ISCSI_PARAM_MAX_RECV_DLENGTH:
+		case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+		case ISCSI_PARAM_HDRDGST_EN:
+		case ISCSI_PARAM_DATADGST_EN:
+		case ISCSI_PARAM_CONN_ADDRESS:
+		case ISCSI_PARAM_CONN_PORT:
+		case ISCSI_PARAM_EXP_STATSN:
+		case ISCSI_PARAM_PERSISTENT_ADDRESS:
+		case ISCSI_PARAM_PERSISTENT_PORT:
+		case ISCSI_PARAM_PING_TMO:
+		case ISCSI_PARAM_RECV_TMO:
+		case ISCSI_PARAM_INITIAL_R2T_EN:
+		case ISCSI_PARAM_MAX_R2T:
+		case ISCSI_PARAM_IMM_DATA_EN:
+		case ISCSI_PARAM_FIRST_BURST:
+		case ISCSI_PARAM_MAX_BURST:
+		case ISCSI_PARAM_PDU_INORDER_EN:
+		case ISCSI_PARAM_DATASEQ_INORDER_EN:
+		case ISCSI_PARAM_ERL:
+		case ISCSI_PARAM_TARGET_NAME:
+		case ISCSI_PARAM_TPGT:
+		case ISCSI_PARAM_USERNAME:
+		case ISCSI_PARAM_PASSWORD:
+		case ISCSI_PARAM_USERNAME_IN:
+		case ISCSI_PARAM_PASSWORD_IN:
+		case ISCSI_PARAM_FAST_ABORT:
+		case ISCSI_PARAM_ABORT_TMO:
+		case ISCSI_PARAM_LU_RESET_TMO:
+		case ISCSI_PARAM_TGT_RESET_TMO:
+		case ISCSI_PARAM_IFACE_NAME:
+		case ISCSI_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(cxgbi_attr_is_visible);
+
 static int __init libcxgbi_init_module(void)
 {
 	sw_tag_idx_bits = (__ilog2_u32(ISCSI_ITT_MASK)) + 1;
diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h
index 3a25b1187c10..20c88279c7a6 100644
--- a/drivers/scsi/cxgbi/libcxgbi.h
+++ b/drivers/scsi/cxgbi/libcxgbi.h
@@ -709,6 +709,7 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *);
 
 void cxgbi_cleanup_task(struct iscsi_task *task);
 
+mode_t cxgbi_attr_is_visible(int param_type, int param);
 void cxgbi_get_conn_stats(struct iscsi_cls_conn *, struct iscsi_stats *);
 int cxgbi_set_conn_param(struct iscsi_cls_conn *,
 			enum iscsi_param, char *, int);
diff --git a/drivers/scsi/device_handler/scsi_dh.c b/drivers/scsi/device_handler/scsi_dh.c
index 0119b8147797..7c05fd9dccfd 100644
--- a/drivers/scsi/device_handler/scsi_dh.c
+++ b/drivers/scsi/device_handler/scsi_dh.c
@@ -60,6 +60,46 @@ static struct scsi_device_handler *get_device_handler_by_idx(int idx)
 }
 
 /*
+ * device_handler_match_function - Match a device handler to a device
+ * @sdev - SCSI device to be tested
+ *
+ * Tests @sdev against the match function of all registered device_handler.
+ * Returns the found device handler or NULL if not found.
+ */
+static struct scsi_device_handler *
+device_handler_match_function(struct scsi_device *sdev)
+{
+	struct scsi_device_handler *tmp_dh, *found_dh = NULL;
+
+	spin_lock(&list_lock);
+	list_for_each_entry(tmp_dh, &scsi_dh_list, list) {
+		if (tmp_dh->match && tmp_dh->match(sdev)) {
+			found_dh = tmp_dh;
+			break;
+		}
+	}
+	spin_unlock(&list_lock);
+	return found_dh;
+}
+
+/*
+ * device_handler_match_devlist - Match a device handler to a device
+ * @sdev - SCSI device to be tested
+ *
+ * Tests @sdev against all device_handler registered in the devlist.
+ * Returns the found device handler or NULL if not found.
+ */
+static struct scsi_device_handler *
+device_handler_match_devlist(struct scsi_device *sdev)
+{
+	int idx;
+
+	idx = scsi_get_device_flags_keyed(sdev, sdev->vendor, sdev->model,
+					  SCSI_DEVINFO_DH);
+	return get_device_handler_by_idx(idx);
+}
+
+/*
  * device_handler_match - Attach a device handler to a device
  * @scsi_dh - The device handler to match against or NULL
  * @sdev - SCSI device to be tested against @scsi_dh
@@ -72,12 +112,11 @@ static struct scsi_device_handler *
 device_handler_match(struct scsi_device_handler *scsi_dh,
 		     struct scsi_device *sdev)
 {
-	struct scsi_device_handler *found_dh = NULL;
-	int idx;
+	struct scsi_device_handler *found_dh;
 
-	idx = scsi_get_device_flags_keyed(sdev, sdev->vendor, sdev->model,
-					  SCSI_DEVINFO_DH);
-	found_dh = get_device_handler_by_idx(idx);
+	found_dh = device_handler_match_function(sdev);
+	if (!found_dh)
+		found_dh = device_handler_match_devlist(sdev);
 
 	if (scsi_dh && found_dh != scsi_dh)
 		found_dh = NULL;
@@ -151,6 +190,10 @@ store_dh_state(struct device *dev, struct device_attribute *attr,
 	struct scsi_device_handler *scsi_dh;
 	int err = -EINVAL;
 
+	if (sdev->sdev_state == SDEV_CANCEL ||
+	    sdev->sdev_state == SDEV_DEL)
+		return -ENODEV;
+
 	if (!sdev->scsi_dh_data) {
 		/*
 		 * Attach to a device handler
@@ -327,7 +370,7 @@ int scsi_register_device_handler(struct scsi_device_handler *scsi_dh)
 	list_add(&scsi_dh->list, &scsi_dh_list);
 	spin_unlock(&list_lock);
 
-	for (i = 0; scsi_dh->devlist[i].vendor; i++) {
+	for (i = 0; scsi_dh->devlist && scsi_dh->devlist[i].vendor; i++) {
 		scsi_dev_info_list_add_keyed(0,
 					scsi_dh->devlist[i].vendor,
 					scsi_dh->devlist[i].model,
@@ -360,7 +403,7 @@ int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh)
 	bus_for_each_dev(&scsi_bus_type, NULL, scsi_dh,
 			 scsi_dh_notifier_remove);
 
-	for (i = 0; scsi_dh->devlist[i].vendor; i++) {
+	for (i = 0; scsi_dh->devlist && scsi_dh->devlist[i].vendor; i++) {
 		scsi_dev_info_list_del_keyed(scsi_dh->devlist[i].vendor,
 					     scsi_dh->devlist[i].model,
 					     SCSI_DEVINFO_DH);
@@ -468,7 +511,7 @@ int scsi_dh_handler_exist(const char *name)
 EXPORT_SYMBOL_GPL(scsi_dh_handler_exist);
 
 /*
- * scsi_dh_handler_attach - Attach device handler
+ * scsi_dh_attach - Attach device handler
  * @sdev - sdev the handler should be attached to
  * @name - name of the handler to attach
  */
@@ -498,7 +541,7 @@ int scsi_dh_attach(struct request_queue *q, const char *name)
 EXPORT_SYMBOL_GPL(scsi_dh_attach);
 
 /*
- * scsi_dh_handler_detach - Detach device handler
+ * scsi_dh_detach - Detach device handler
  * @sdev - sdev the handler should be detached from
  *
  * This function will detach the device handler only
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 6fec9fe5dc39..627f4b5e5176 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -128,43 +128,6 @@ static struct request *get_alua_req(struct scsi_device *sdev,
 }
 
 /*
- * submit_std_inquiry - Issue a standard INQUIRY command
- * @sdev: sdev the command should be send to
- */
-static int submit_std_inquiry(struct scsi_device *sdev, struct alua_dh_data *h)
-{
-	struct request *rq;
-	int err = SCSI_DH_RES_TEMP_UNAVAIL;
-
-	rq = get_alua_req(sdev, h->inq, ALUA_INQUIRY_SIZE, READ);
-	if (!rq)
-		goto done;
-
-	/* Prepare the command. */
-	rq->cmd[0] = INQUIRY;
-	rq->cmd[1] = 0;
-	rq->cmd[2] = 0;
-	rq->cmd[4] = ALUA_INQUIRY_SIZE;
-	rq->cmd_len = COMMAND_SIZE(INQUIRY);
-
-	rq->sense = h->sense;
-	memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE);
-	rq->sense_len = h->senselen = 0;
-
-	err = blk_execute_rq(rq->q, NULL, rq, 1);
-	if (err == -EIO) {
-		sdev_printk(KERN_INFO, sdev,
-			    "%s: std inquiry failed with %x\n",
-			    ALUA_DH_NAME, rq->errors);
-		h->senselen = rq->sense_len;
-		err = SCSI_DH_IO;
-	}
-	blk_put_request(rq);
-done:
-	return err;
-}
-
-/*
  * submit_vpd_inquiry - Issue an INQUIRY VPD page 0x83 command
  * @sdev: sdev the command should be sent to
  */
@@ -338,23 +301,17 @@ static unsigned submit_stpg(struct alua_dh_data *h)
 }
 
 /*
- * alua_std_inquiry - Evaluate standard INQUIRY command
+ * alua_check_tpgs - Evaluate TPGS setting
  * @sdev: device to be checked
  *
- * Just extract the TPGS setting to find out if ALUA
+ * Examine the TPGS setting of the sdev to find out if ALUA
  * is supported.
  */
-static int alua_std_inquiry(struct scsi_device *sdev, struct alua_dh_data *h)
+static int alua_check_tpgs(struct scsi_device *sdev, struct alua_dh_data *h)
 {
-	int err;
-
-	err = submit_std_inquiry(sdev, h);
-
-	if (err != SCSI_DH_OK)
-		return err;
+	int err = SCSI_DH_OK;
 
-	/* Check TPGS setting */
-	h->tpgs = (h->inq[5] >> 4) & 0x3;
+	h->tpgs = scsi_device_tpgs(sdev);
 	switch (h->tpgs) {
 	case TPGS_MODE_EXPLICIT|TPGS_MODE_IMPLICIT:
 		sdev_printk(KERN_INFO, sdev,
@@ -508,27 +465,28 @@ static int alua_check_sense(struct scsi_device *sdev,
 			 * Power On, Reset, or Bus Device Reset, just retry.
 			 */
 			return ADD_TO_MLQUEUE;
-		if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x06) {
+		if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x06)
 			/*
 			 * ALUA state changed
 			 */
 			return ADD_TO_MLQUEUE;
-		}
-		if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x07) {
+		if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x07)
 			/*
 			 * Implicit ALUA state transition failed
 			 */
 			return ADD_TO_MLQUEUE;
-		}
-		if (sense_hdr->asc == 0x3f && sense_hdr->ascq == 0x0e) {
+		if (sense_hdr->asc == 0x3f && sense_hdr->ascq == 0x03)
+			/*
+			 * Inquiry data has changed
+			 */
+			return ADD_TO_MLQUEUE;
+		if (sense_hdr->asc == 0x3f && sense_hdr->ascq == 0x0e)
 			/*
 			 * REPORTED_LUNS_DATA_HAS_CHANGED is reported
 			 * when switching controllers on targets like
 			 * Intel Multi-Flex. We can just retry.
 			 */
 			return ADD_TO_MLQUEUE;
-		}
-
 		break;
 	}
 
@@ -547,9 +505,9 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h)
 {
 	struct scsi_sense_hdr sense_hdr;
 	int len, k, off, valid_states = 0;
-	char *ucp;
+	unsigned char *ucp;
 	unsigned err;
-	unsigned long expiry, interval = 10;
+	unsigned long expiry, interval = 1;
 
 	expiry = round_jiffies_up(jiffies + ALUA_FAILOVER_TIMEOUT);
  retry:
@@ -610,7 +568,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h)
 	case TPGS_STATE_TRANSITIONING:
 		if (time_before(jiffies, expiry)) {
 			/* State transition, retry */
-			interval *= 10;
+			interval *= 2;
 			msleep(interval);
 			goto retry;
 		}
@@ -642,7 +600,7 @@ static int alua_initialize(struct scsi_device *sdev, struct alua_dh_data *h)
 {
 	int err;
 
-	err = alua_std_inquiry(sdev, h);
+	err = alua_check_tpgs(sdev, h);
 	if (err != SCSI_DH_OK)
 		goto out;
 
@@ -674,11 +632,9 @@ static int alua_activate(struct scsi_device *sdev,
 	struct alua_dh_data *h = get_alua_data(sdev);
 	int err = SCSI_DH_OK;
 
-	if (h->group_id != -1) {
-		err = alua_rtpg(sdev, h);
-		if (err != SCSI_DH_OK)
-			goto out;
-	}
+	err = alua_rtpg(sdev, h);
+	if (err != SCSI_DH_OK)
+		goto out;
 
 	if (h->tpgs & TPGS_MODE_EXPLICIT &&
 	    h->state != TPGS_STATE_OPTIMIZED &&
@@ -720,23 +676,10 @@ static int alua_prep_fn(struct scsi_device *sdev, struct request *req)
 
 }
 
-static const struct scsi_dh_devlist alua_dev_list[] = {
-	{"HP", "MSA VOLUME" },
-	{"HP", "HSV101" },
-	{"HP", "HSV111" },
-	{"HP", "HSV200" },
-	{"HP", "HSV210" },
-	{"HP", "HSV300" },
-	{"IBM", "2107900" },
-	{"IBM", "2145" },
-	{"Pillar", "Axiom" },
-	{"Intel", "Multi-Flex"},
-	{"NETAPP", "LUN"},
-	{"NETAPP", "LUN C-Mode"},
-	{"AIX", "NVDISK"},
-	{"Promise", "VTrak"},
-	{NULL, NULL}
-};
+static bool alua_match(struct scsi_device *sdev)
+{
+	return (scsi_device_tpgs(sdev) != 0);
+}
 
 static int alua_bus_attach(struct scsi_device *sdev);
 static void alua_bus_detach(struct scsi_device *sdev);
@@ -744,12 +687,12 @@ static void alua_bus_detach(struct scsi_device *sdev);
 static struct scsi_device_handler alua_dh = {
 	.name = ALUA_DH_NAME,
 	.module = THIS_MODULE,
-	.devlist = alua_dev_list,
 	.attach = alua_bus_attach,
 	.detach = alua_bus_detach,
 	.prep_fn = alua_prep_fn,
 	.check_sense = alua_check_sense,
 	.activate = alua_activate,
+	.match = alua_match,
 };
 
 /*
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 27c9d65d54a9..82d612f0c49d 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -1,5 +1,5 @@
 /*
- * Engenio/LSI RDAC SCSI Device Handler
+ * LSI/Engenio/NetApp E-Series RDAC SCSI Device Handler
  *
  * Copyright (C) 2005 Mike Christie. All rights reserved.
  * Copyright (C) Chandra Seetharaman, IBM Corp. 2007
@@ -795,6 +795,7 @@ static const struct scsi_dh_devlist rdac_dev_list[] = {
 	{"IBM", "3526"},
 	{"SGI", "TP9400"},
 	{"SGI", "TP9500"},
+	{"SGI", "TP9700"},
 	{"SGI", "IS"},
 	{"STK", "OPENstorage D280"},
 	{"SUN", "CSM200_R"},
@@ -814,6 +815,7 @@ static const struct scsi_dh_devlist rdac_dev_list[] = {
 	{"SUN", "CSM100_R_FC"},
 	{"SUN", "STK6580_6780"},
 	{"SUN", "SUN_6180"},
+	{"SUN", "ArrayStorage"},
 	{NULL, NULL},
 };
 
@@ -945,7 +947,7 @@ static void __exit rdac_exit(void)
 module_init(rdac_init);
 module_exit(rdac_exit);
 
-MODULE_DESCRIPTION("Multipath LSI/Engenio RDAC driver");
+MODULE_DESCRIPTION("Multipath LSI/Engenio/NetApp E-Series RDAC driver");
 MODULE_AUTHOR("Mike Christie, Chandra Seetharaman");
 MODULE_VERSION("01.00.0000.0000");
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index a1c0ddd53aa9..61384ee4049b 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -51,7 +51,7 @@ MODULE_DESCRIPTION("FCoE");
 MODULE_LICENSE("GPL v2");
 
 /* Performance tuning parameters for fcoe */
-static unsigned int fcoe_ddp_min;
+static unsigned int fcoe_ddp_min = 4096;
 module_param_named(ddp_min, fcoe_ddp_min, uint, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(ddp_min, "Minimum I/O size in bytes for "	\
 		 "Direct Data Placement (DDP).");
@@ -137,7 +137,6 @@ static int fcoe_vport_create(struct fc_vport *, bool disabled);
 static int fcoe_vport_disable(struct fc_vport *, bool disable);
 static void fcoe_set_vport_symbolic_name(struct fc_vport *);
 static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *);
-static int fcoe_validate_vport_create(struct fc_vport *);
 
 static struct libfc_function_template fcoe_libfc_fcn_templ = {
 	.frame_send = fcoe_xmit,
@@ -280,6 +279,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe,
 	 * use the first one for SPMA */
 	real_dev = (netdev->priv_flags & IFF_802_1Q_VLAN) ?
 		vlan_dev_real_dev(netdev) : netdev;
+	fcoe->realdev = real_dev;
 	rcu_read_lock();
 	for_each_dev_addr(real_dev, ha) {
 		if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
@@ -580,23 +580,6 @@ static int fcoe_lport_config(struct fc_lport *lport)
 }
 
 /**
- * fcoe_get_wwn() - Get the world wide name from LLD if it supports it
- * @netdev: the associated net device
- * @wwn: the output WWN
- * @type: the type of WWN (WWPN or WWNN)
- *
- * Returns: 0 for success
- */
-static int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
-{
-	const struct net_device_ops *ops = netdev->netdev_ops;
-
-	if (ops->ndo_fcoe_get_wwn)
-		return ops->ndo_fcoe_get_wwn(netdev, wwn, type);
-	return -EINVAL;
-}
-
-/**
  * fcoe_netdev_features_change - Updates the lport's offload flags based
  * on the LLD netdev's FCoE feature flags
  */
@@ -1134,8 +1117,9 @@ static void fcoe_percpu_thread_create(unsigned int cpu)
 
 	p = &per_cpu(fcoe_percpu, cpu);
 
-	thread = kthread_create(fcoe_percpu_receive_thread,
-				(void *)p, "fcoethread/%d", cpu);
+	thread = kthread_create_on_node(fcoe_percpu_receive_thread,
+					(void *)p, cpu_to_node(cpu),
+					"fcoethread/%d", cpu);
 
 	if (likely(!IS_ERR(thread))) {
 		kthread_bind(thread, cpu);
@@ -1538,7 +1522,13 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 	skb_reset_network_header(skb);
 	skb->mac_len = elen;
 	skb->protocol = htons(ETH_P_FCOE);
-	skb->dev = fcoe->netdev;
+	if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
+	    fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
+		skb->vlan_tci = VLAN_TAG_PRESENT |
+				vlan_dev_vlan_id(fcoe->netdev);
+		skb->dev = fcoe->realdev;
+	} else
+		skb->dev = fcoe->netdev;
 
 	/* fill up mac and fcoe headers */
 	eh = eth_hdr(skb);
@@ -2446,7 +2436,7 @@ static int fcoe_vport_create(struct fc_vport *vport, bool disabled)
 
 	rc = fcoe_validate_vport_create(vport);
 	if (rc) {
-		wwn_to_str(vport->port_name, buf, sizeof(buf));
+		fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
 		printk(KERN_ERR "fcoe: Failed to create vport, "
 			"WWPN (0x%s) already exists\n",
 			buf);
@@ -2555,28 +2545,9 @@ static void fcoe_set_vport_symbolic_name(struct fc_vport *vport)
 static void fcoe_get_lesb(struct fc_lport *lport,
 			 struct fc_els_lesb *fc_lesb)
 {
-	unsigned int cpu;
-	u32 lfc, vlfc, mdac;
-	struct fcoe_dev_stats *devst;
-	struct fcoe_fc_els_lesb *lesb;
-	struct rtnl_link_stats64 temp;
 	struct net_device *netdev = fcoe_netdev(lport);
 
-	lfc = 0;
-	vlfc = 0;
-	mdac = 0;
-	lesb = (struct fcoe_fc_els_lesb *)fc_lesb;
-	memset(lesb, 0, sizeof(*lesb));
-	for_each_possible_cpu(cpu) {
-		devst = per_cpu_ptr(lport->dev_stats, cpu);
-		lfc += devst->LinkFailureCount;
-		vlfc += devst->VLinkFailureCount;
-		mdac += devst->MissDiscAdvCount;
-	}
-	lesb->lesb_link_fail = htonl(lfc);
-	lesb->lesb_vlink_fail = htonl(vlfc);
-	lesb->lesb_miss_fka = htonl(mdac);
-	lesb->lesb_fcs_error = htonl(dev_get_stats(netdev, &temp)->rx_crc_errors);
+	__fcoe_get_lesb(lport, fc_lesb, netdev);
 }
 
 /**
@@ -2600,49 +2571,3 @@ static void fcoe_set_port_id(struct fc_lport *lport,
 	if (fp && fc_frame_payload_op(fp) == ELS_FLOGI)
 		fcoe_ctlr_recv_flogi(&fcoe->ctlr, lport, fp);
 }
-
-/**
- * fcoe_validate_vport_create() - Validate a vport before creating it
- * @vport: NPIV port to be created
- *
- * This routine is meant to add validation for a vport before creating it
- * via fcoe_vport_create().
- * Current validations are:
- *      - WWPN supplied is unique for given lport
- *
- *
-*/
-static int fcoe_validate_vport_create(struct fc_vport *vport)
-{
-	struct Scsi_Host *shost = vport_to_shost(vport);
-	struct fc_lport *n_port = shost_priv(shost);
-	struct fc_lport *vn_port;
-	int rc = 0;
-	char buf[32];
-
-	mutex_lock(&n_port->lp_mutex);
-
-	wwn_to_str(vport->port_name, buf, sizeof(buf));
-	/* Check if the wwpn is not same as that of the lport */
-	if (!memcmp(&n_port->wwpn, &vport->port_name, sizeof(u64))) {
-		FCOE_DBG("vport WWPN 0x%s is same as that of the "
-			"base port WWPN\n", buf);
-		rc = -EINVAL;
-		goto out;
-	}
-
-	/* Check if there is any existing vport with same wwpn */
-	list_for_each_entry(vn_port, &n_port->vports, list) {
-		if (!memcmp(&vn_port->wwpn, &vport->port_name, sizeof(u64))) {
-			FCOE_DBG("vport with given WWPN 0x%s already "
-			"exists\n", buf);
-			rc = -EINVAL;
-			break;
-		}
-	}
-
-out:
-	mutex_unlock(&n_port->lp_mutex);
-
-	return rc;
-}
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index c4a93993c0cf..6c6884bcf840 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -80,6 +80,7 @@ do {                                                            	\
 struct fcoe_interface {
 	struct list_head   list;
 	struct net_device  *netdev;
+	struct net_device  *realdev;
 	struct packet_type fcoe_packet_type;
 	struct packet_type fip_packet_type;
 	struct fcoe_ctlr   ctlr;
@@ -99,14 +100,4 @@ static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)
 			((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
 }
 
-static inline void wwn_to_str(u64 wwn, char *buf, int len)
-{
-	u8 wwpn[8];
-
-	u64_to_wwn(wwn, wwpn);
-	snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x",
-		wwpn[0], wwpn[1], wwpn[2], wwpn[3],
-		wwpn[4], wwpn[5], wwpn[6], wwpn[7]);
-}
-
 #endif /* _FCOE_H_ */
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index dac8e39a5188..bd97b2273f20 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -83,6 +83,107 @@ static struct notifier_block libfcoe_notifier = {
 	.notifier_call = libfcoe_device_notification,
 };
 
+void __fcoe_get_lesb(struct fc_lport *lport,
+		     struct fc_els_lesb *fc_lesb,
+		     struct net_device *netdev)
+{
+	unsigned int cpu;
+	u32 lfc, vlfc, mdac;
+	struct fcoe_dev_stats *devst;
+	struct fcoe_fc_els_lesb *lesb;
+	struct rtnl_link_stats64 temp;
+
+	lfc = 0;
+	vlfc = 0;
+	mdac = 0;
+	lesb = (struct fcoe_fc_els_lesb *)fc_lesb;
+	memset(lesb, 0, sizeof(*lesb));
+	for_each_possible_cpu(cpu) {
+		devst = per_cpu_ptr(lport->dev_stats, cpu);
+		lfc += devst->LinkFailureCount;
+		vlfc += devst->VLinkFailureCount;
+		mdac += devst->MissDiscAdvCount;
+	}
+	lesb->lesb_link_fail = htonl(lfc);
+	lesb->lesb_vlink_fail = htonl(vlfc);
+	lesb->lesb_miss_fka = htonl(mdac);
+	lesb->lesb_fcs_error =
+			htonl(dev_get_stats(netdev, &temp)->rx_crc_errors);
+}
+EXPORT_SYMBOL_GPL(__fcoe_get_lesb);
+
+void fcoe_wwn_to_str(u64 wwn, char *buf, int len)
+{
+	u8 wwpn[8];
+
+	u64_to_wwn(wwn, wwpn);
+	snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x",
+		 wwpn[0], wwpn[1], wwpn[2], wwpn[3],
+		 wwpn[4], wwpn[5], wwpn[6], wwpn[7]);
+}
+EXPORT_SYMBOL_GPL(fcoe_wwn_to_str);
+
+/**
+ * fcoe_validate_vport_create() - Validate a vport before creating it
+ * @vport: NPIV port to be created
+ *
+ * This routine is meant to add validation for a vport before creating it
+ * via fcoe_vport_create().
+ * Current validations are:
+ *      - WWPN supplied is unique for given lport
+ */
+int fcoe_validate_vport_create(struct fc_vport *vport)
+{
+	struct Scsi_Host *shost = vport_to_shost(vport);
+	struct fc_lport *n_port = shost_priv(shost);
+	struct fc_lport *vn_port;
+	int rc = 0;
+	char buf[32];
+
+	mutex_lock(&n_port->lp_mutex);
+
+	fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
+	/* Check if the wwpn is not same as that of the lport */
+	if (!memcmp(&n_port->wwpn, &vport->port_name, sizeof(u64))) {
+		LIBFCOE_TRANSPORT_DBG("vport WWPN 0x%s is same as that of the "
+				      "base port WWPN\n", buf);
+		rc = -EINVAL;
+		goto out;
+	}
+
+	/* Check if there is any existing vport with same wwpn */
+	list_for_each_entry(vn_port, &n_port->vports, list) {
+		if (!memcmp(&vn_port->wwpn, &vport->port_name, sizeof(u64))) {
+			LIBFCOE_TRANSPORT_DBG("vport with given WWPN 0x%s "
+					      "already exists\n", buf);
+			rc = -EINVAL;
+			break;
+		}
+	}
+out:
+	mutex_unlock(&n_port->lp_mutex);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(fcoe_validate_vport_create);
+
+/**
+ * fcoe_get_wwn() - Get the world wide name from LLD if it supports it
+ * @netdev: the associated net device
+ * @wwn: the output WWN
+ * @type: the type of WWN (WWPN or WWNN)
+ *
+ * Returns: 0 for success
+ */
+int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
+{
+	const struct net_device_ops *ops = netdev->netdev_ops;
+
+	if (ops->ndo_fcoe_get_wwn)
+		return ops->ndo_fcoe_get_wwn(netdev, wwn, type);
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(fcoe_get_wwn);
+
 /**
  * fcoe_fc_crc() - Calculates the CRC for a given frame
  * @fp: The frame to be checksumed
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index b200b736b000..9825ecf34957 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3438,10 +3438,8 @@ static __devinit int hpsa_kdump_hard_reset_controller(struct pci_dev *pdev)
 	} else {
 		use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
 		if (use_doorbell) {
-			dev_warn(&pdev->dev, "Controller claims that "
-				"'Bit 2 doorbell reset' is "
-				"supported, but not 'bit 5 doorbell reset'.  "
-				"Firmware update is recommended.\n");
+			dev_warn(&pdev->dev, "Soft reset not supported. "
+				"Firmware update is required.\n");
 			rc = -ENOTSUPP; /* try soft reset */
 			goto unmap_cfgtable;
 		}
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 8d636301e32c..73e24b48dced 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -2901,7 +2901,7 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
 
 	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
 
-	if (ioa_cfg->sdt_state != GET_DUMP) {
+	if (ioa_cfg->sdt_state != READ_DUMP) {
 		spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 		return;
 	}
@@ -3097,7 +3097,7 @@ static void ipr_worker_thread(struct work_struct *work)
 	ENTER;
 	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
 
-	if (ioa_cfg->sdt_state == GET_DUMP) {
+	if (ioa_cfg->sdt_state == READ_DUMP) {
 		dump = ioa_cfg->dump;
 		if (!dump) {
 			spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
@@ -3109,7 +3109,7 @@ static void ipr_worker_thread(struct work_struct *work)
 		kref_put(&dump->kref, ipr_release_dump);
 
 		spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
-		if (ioa_cfg->sdt_state == DUMP_OBTAINED)
+		if (ioa_cfg->sdt_state == DUMP_OBTAINED && !ioa_cfg->dump_timeout)
 			ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
 		spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 		return;
@@ -3751,14 +3751,6 @@ static ssize_t ipr_store_update_fw(struct device *dev,
 
 	image_hdr = (struct ipr_ucode_image_header *)fw_entry->data;
 
-	if (be32_to_cpu(image_hdr->header_length) > fw_entry->size ||
-	    (ioa_cfg->vpd_cbs->page3_data.card_type &&
-	     ioa_cfg->vpd_cbs->page3_data.card_type != image_hdr->card_type)) {
-		dev_err(&ioa_cfg->pdev->dev, "Invalid microcode buffer\n");
-		release_firmware(fw_entry);
-		return -EINVAL;
-	}
-
 	src = (u8 *)image_hdr + be32_to_cpu(image_hdr->header_length);
 	dnld_size = fw_entry->size - be32_to_cpu(image_hdr->header_length);
 	sglist = ipr_alloc_ucode_buffer(dnld_size);
@@ -3777,6 +3769,8 @@ static ssize_t ipr_store_update_fw(struct device *dev,
 		goto out;
 	}
 
+	ipr_info("Updating microcode, please be patient.  This may take up to 30 minutes.\n");
+
 	result = ipr_update_ioa_ucode(ioa_cfg, sglist);
 
 	if (!result)
@@ -7449,8 +7443,11 @@ static int ipr_reset_wait_for_dump(struct ipr_cmnd *ipr_cmd)
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 
 	if (ioa_cfg->sdt_state == GET_DUMP)
+		ioa_cfg->sdt_state = WAIT_FOR_DUMP;
+	else if (ioa_cfg->sdt_state == READ_DUMP)
 		ioa_cfg->sdt_state = ABORT_DUMP;
 
+	ioa_cfg->dump_timeout = 1;
 	ipr_cmd->job_step = ipr_reset_alert;
 
 	return IPR_RC_JOB_CONTINUE;
@@ -7614,6 +7611,8 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
 		ipr_cmd->job_step = ipr_reset_enable_ioa;
 
 		if (GET_DUMP == ioa_cfg->sdt_state) {
+			ioa_cfg->sdt_state = READ_DUMP;
+			ioa_cfg->dump_timeout = 0;
 			if (ioa_cfg->sis64)
 				ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT);
 			else
@@ -8003,8 +8002,12 @@ static void ipr_initiate_ioa_reset(struct ipr_ioa_cfg *ioa_cfg,
 	if (ioa_cfg->ioa_is_dead)
 		return;
 
-	if (ioa_cfg->in_reset_reload && ioa_cfg->sdt_state == GET_DUMP)
-		ioa_cfg->sdt_state = ABORT_DUMP;
+	if (ioa_cfg->in_reset_reload) {
+		if (ioa_cfg->sdt_state == GET_DUMP)
+			ioa_cfg->sdt_state = WAIT_FOR_DUMP;
+		else if (ioa_cfg->sdt_state == READ_DUMP)
+			ioa_cfg->sdt_state = ABORT_DUMP;
+	}
 
 	if (ioa_cfg->reset_retries++ >= IPR_NUM_RESET_RELOAD_RETRIES) {
 		dev_err(&ioa_cfg->pdev->dev,
@@ -8812,7 +8815,7 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
 	uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32);
 	if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT))
 		ioa_cfg->needs_hard_reset = 1;
-	if (interrupts & IPR_PCII_ERROR_INTERRUPTS)
+	if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices)
 		ioa_cfg->needs_hard_reset = 1;
 	if (interrupts & IPR_PCII_IOA_UNIT_CHECKED)
 		ioa_cfg->ioa_unit_checked = 1;
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index f93f8637c5a1..6d257e0dd6a5 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -208,7 +208,7 @@
 #define IPR_CANCEL_ALL_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
 #define IPR_ABORT_TASK_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
 #define IPR_INTERNAL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
-#define IPR_WRITE_BUFFER_TIMEOUT		(10 * 60 * HZ)
+#define IPR_WRITE_BUFFER_TIMEOUT		(30 * 60 * HZ)
 #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
 #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
 #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)
@@ -1360,6 +1360,7 @@ enum ipr_sdt_state {
 	INACTIVE,
 	WAIT_FOR_DUMP,
 	GET_DUMP,
+	READ_DUMP,
 	ABORT_DUMP,
 	DUMP_OBTAINED
 };
@@ -1384,6 +1385,7 @@ struct ipr_ioa_cfg {
 	u8 needs_warm_reset:1;
 	u8 msi_received:1;
 	u8 sis64:1;
+	u8 dump_timeout:1;
 
 	u8 revid;
 
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 6981b773a88d..f07f30fada1b 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -1263,6 +1263,10 @@ void isci_host_deinit(struct isci_host *ihost)
 {
 	int i;
 
+	/* disable output data selects */
+	for (i = 0; i < isci_gpio_count(ihost); i++)
+		writel(SGPIO_HW_CONTROL, &ihost->scu_registers->peg0.sgpio.output_data_select[i]);
+
 	isci_host_change_state(ihost, isci_stopping);
 	for (i = 0; i < SCI_MAX_PORTS; i++) {
 		struct isci_port *iport = &ihost->ports[i];
@@ -1281,6 +1285,12 @@ void isci_host_deinit(struct isci_host *ihost)
 	spin_unlock_irq(&ihost->scic_lock);
 
 	wait_for_stop(ihost);
+
+	/* disable sgpio: where the above wait should give time for the
+	 * enclosure to sample the gpios going inactive
+	 */
+	writel(0, &ihost->scu_registers->peg0.sgpio.interface_control);
+
 	sci_controller_reset(ihost);
 
 	/* Cancel any/all outstanding port timers */
@@ -2365,6 +2375,12 @@ int isci_host_init(struct isci_host *ihost)
 	for (i = 0; i < SCI_MAX_PHYS; i++)
 		isci_phy_init(&ihost->phys[i], ihost, i);
 
+	/* enable sgpio */
+	writel(1, &ihost->scu_registers->peg0.sgpio.interface_control);
+	for (i = 0; i < isci_gpio_count(ihost); i++)
+		writel(SGPIO_HW_CONTROL, &ihost->scu_registers->peg0.sgpio.output_data_select[i]);
+	writel(0, &ihost->scu_registers->peg0.sgpio.vendor_specific_code);
+
 	for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) {
 		struct isci_remote_device *idev = &ihost->devices[i];
 
@@ -2760,3 +2776,56 @@ enum sci_task_status sci_controller_start_task(struct isci_host *ihost,
 
 	return status;
 }
+
+static int sci_write_gpio_tx_gp(struct isci_host *ihost, u8 reg_index, u8 reg_count, u8 *write_data)
+{
+	int d;
+
+	/* no support for TX_GP_CFG */
+	if (reg_index == 0)
+		return -EINVAL;
+
+	for (d = 0; d < isci_gpio_count(ihost); d++) {
+		u32 val = 0x444; /* all ODx.n clear */
+		int i;
+
+		for (i = 0; i < 3; i++) {
+			int bit = (i << 2) + 2;
+
+			bit = try_test_sas_gpio_gp_bit(to_sas_gpio_od(d, i),
+						       write_data, reg_index,
+						       reg_count);
+			if (bit < 0)
+				break;
+
+			/* if od is set, clear the 'invert' bit */
+			val &= ~(bit << ((i << 2) + 2));
+		}
+
+		if (i < 3)
+			break;
+		writel(val, &ihost->scu_registers->peg0.sgpio.output_data_select[d]);
+	}
+
+	/* unless reg_index is > 1, we should always be able to write at
+	 * least one register
+	 */
+	return d > 0;
+}
+
+int isci_gpio_write(struct sas_ha_struct *sas_ha, u8 reg_type, u8 reg_index,
+		    u8 reg_count, u8 *write_data)
+{
+	struct isci_host *ihost = sas_ha->lldd_ha;
+	int written;
+
+	switch (reg_type) {
+	case SAS_GPIO_REG_TX_GP:
+		written = sci_write_gpio_tx_gp(ihost, reg_index, reg_count, write_data);
+		break;
+	default:
+		written = -EINVAL;
+	}
+
+	return written;
+}
diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h
index 9f33831a2f04..646051afd3cb 100644
--- a/drivers/scsi/isci/host.h
+++ b/drivers/scsi/isci/host.h
@@ -440,6 +440,18 @@ static inline bool is_c0(struct pci_dev *pdev)
 	return false;
 }
 
+/* set hw control for 'activity', even though active enclosures seem to drive
+ * the activity led on their own.  Skip setting FSENG control on 'status' due
+ * to unexpected operation and 'error' due to not being a supported automatic
+ * FSENG output
+ */
+#define SGPIO_HW_CONTROL 0x00000443
+
+static inline int isci_gpio_count(struct isci_host *ihost)
+{
+	return ARRAY_SIZE(ihost->scu_registers->peg0.sgpio.output_data_select);
+}
+
 void sci_controller_post_request(struct isci_host *ihost,
 				      u32 request);
 void sci_controller_release_frame(struct isci_host *ihost,
@@ -542,4 +554,7 @@ void sci_port_configuration_agent_construct(
 enum sci_status sci_port_configuration_agent_initialize(
 	struct isci_host *ihost,
 	struct sci_port_configuration_agent *port_agent);
+
+int isci_gpio_write(struct sas_ha_struct *, u8 reg_type, u8 reg_index,
+		    u8 reg_count, u8 *write_data);
 #endif
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 29aa34efb0f5..43fe840fbe9c 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -192,6 +192,9 @@ static struct sas_domain_function_template isci_transport_ops  = {
 
 	/* Phy management */
 	.lldd_control_phy	= isci_phy_control,
+
+	/* GPIO support */
+	.lldd_write_gpio	= isci_gpio_write,
 };
 
 
diff --git a/drivers/scsi/isci/isci.h b/drivers/scsi/isci/isci.h
index d1de63312e7f..8efeb6b08321 100644
--- a/drivers/scsi/isci/isci.h
+++ b/drivers/scsi/isci/isci.h
@@ -97,7 +97,7 @@
 #define SCU_MAX_COMPLETION_QUEUE_SHIFT	  (ilog2(SCU_MAX_COMPLETION_QUEUE_ENTRIES))
 
 #define SCU_ABSOLUTE_MAX_UNSOLICITED_FRAMES (4096)
-#define SCU_UNSOLICITED_FRAME_BUFFER_SIZE   (1024)
+#define SCU_UNSOLICITED_FRAME_BUFFER_SIZE   (1024U)
 #define SCU_INVALID_FRAME_INDEX             (0xFFFF)
 
 #define SCU_IO_REQUEST_MAX_SGE_SIZE         (0x00FFFFFF)
diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c
index 09e61134037f..35f50c2183e1 100644
--- a/drivers/scsi/isci/phy.c
+++ b/drivers/scsi/isci/phy.c
@@ -1313,6 +1313,17 @@ int isci_phy_control(struct asd_sas_phy *sas_phy,
 		ret = isci_port_perform_hard_reset(ihost, iport, iphy);
 
 		break;
+	case PHY_FUNC_GET_EVENTS: {
+		struct scu_link_layer_registers __iomem *r;
+		struct sas_phy *phy = sas_phy->phy;
+
+		r = iphy->link_layer_registers;
+		phy->running_disparity_error_count = readl(&r->running_disparity_error_count);
+		phy->loss_of_dword_sync_count = readl(&r->loss_of_sync_error_count);
+		phy->phy_reset_problem_count = readl(&r->phy_reset_problem_count);
+		phy->invalid_dword_count = readl(&r->invalid_dword_counter);
+		break;
+	}
 
 	default:
 		dev_dbg(&ihost->pdev->dev,
diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c
index 8f6f9b77e41a..8e59c8865dcd 100644
--- a/drivers/scsi/isci/port.c
+++ b/drivers/scsi/isci/port.c
@@ -294,8 +294,8 @@ static void isci_port_link_down(struct isci_host *isci_host,
 					__func__, isci_device);
 				set_bit(IDEV_GONE, &isci_device->flags);
 			}
+			isci_port_change_state(isci_port, isci_stopping);
 		}
-		isci_port_change_state(isci_port, isci_stopping);
 	}
 
 	/* Notify libsas of the borken link, this will trigger calls to our
diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c
index 486b113c634a..38a99d281141 100644
--- a/drivers/scsi/isci/port_config.c
+++ b/drivers/scsi/isci/port_config.c
@@ -678,7 +678,7 @@ static void apc_agent_timeout(unsigned long data)
 	configure_phy_mask = ~port_agent->phy_configured_mask & port_agent->phy_ready_mask;
 
 	if (!configure_phy_mask)
-		return;
+		goto done;
 
 	for (index = 0; index < SCI_MAX_PHYS; index++) {
 		if ((configure_phy_mask & (1 << index)) == 0)
diff --git a/drivers/scsi/isci/registers.h b/drivers/scsi/isci/registers.h
index 00afc738bbed..eaa541afc755 100644
--- a/drivers/scsi/isci/registers.h
+++ b/drivers/scsi/isci/registers.h
@@ -875,122 +875,6 @@ struct scu_iit_entry {
 #define SCU_PTSxSR_GEN_BIT(name) \
 	SCU_GEN_BIT(SCU_PTSG_PORT_TASK_SCHEDULER_STATUS_ ## name)
 
-
-/*
- * *****************************************************************************
- * * SGPIO Register shift and mask values
- * ***************************************************************************** */
-#define SCU_SGPIO_CONTROL_SGPIO_ENABLE_SHIFT                    (0)
-#define SCU_SGPIO_CONTROL_SGPIO_ENABLE_MASK                     (0x00000001)
-#define SCU_SGPIO_CONTROL_SGPIO_SERIAL_CLOCK_SELECT_SHIFT       (1)
-#define SCU_SGPIO_CONTROL_SGPIO_SERIAL_CLOCK_SELECT_MASK        (0x00000002)
-#define SCU_SGPIO_CONTROL_SGPIO_SERIAL_SHIFT_WIDTH_SELECT_SHIFT (2)
-#define SCU_SGPIO_CONTROL_SGPIO_SERIAL_SHIFT_WIDTH_SELECT_MASK  (0x00000004)
-#define SCU_SGPIO_CONTROL_SGPIO_TEST_BIT_SHIFT                  (15)
-#define SCU_SGPIO_CONTROL_SGPIO_TEST_BIT_MASK                   (0x00008000)
-#define SCU_SGPIO_CONTROL_SGPIO_RESERVED_MASK                   (0xFFFF7FF8)
-
-#define SCU_SGICRx_GEN_BIT(name) \
-	SCU_GEN_BIT(SCU_SGPIO_CONTROL_SGPIO_ ## name)
-
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R0_SHIFT      (0)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R0_MASK       (0x0000000F)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R1_SHIFT      (4)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R1_MASK       (0x000000F0)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R2_SHIFT      (8)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R2_MASK       (0x00000F00)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R3_SHIFT      (12)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_R3_MASK       (0x0000F000)
-#define SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_RESERVED_MASK (0xFFFF0000)
-
-#define SCU_SGPBRx_GEN_VAL(name, value)	\
-	SCU_GEN_VALUE(SCU_SGPIO_PROGRAMMABLE_BLINK_REGISTER_ ## name, value)
-
-#define SCU_SGPIO_START_DRIVE_LOWER_R0_SHIFT        (0)
-#define SCU_SGPIO_START_DRIVE_LOWER_R0_MASK         (0x00000003)
-#define SCU_SGPIO_START_DRIVE_LOWER_R1_SHIFT        (4)
-#define SCU_SGPIO_START_DRIVE_LOWER_R1_MASK         (0x00000030)
-#define SCU_SGPIO_START_DRIVE_LOWER_R2_SHIFT        (8)
-#define SCU_SGPIO_START_DRIVE_LOWER_R2_MASK         (0x00000300)
-#define SCU_SGPIO_START_DRIVE_LOWER_R3_SHIFT        (12)
-#define SCU_SGPIO_START_DRIVE_LOWER_R3_MASK         (0x00003000)
-#define SCU_SGPIO_START_DRIVE_LOWER_RESERVED_MASK   (0xFFFF8888)
-
-#define SCU_SGSDLRx_GEN_VAL(name, value) \
-	SCU_GEN_VALUE(SCU_SGPIO_START_DRIVE_LOWER_ ## name, value)
-
-#define SCU_SGPIO_START_DRIVE_UPPER_R0_SHIFT        (0)
-#define SCU_SGPIO_START_DRIVE_UPPER_R0_MASK         (0x00000003)
-#define SCU_SGPIO_START_DRIVE_UPPER_R1_SHIFT        (4)
-#define SCU_SGPIO_START_DRIVE_UPPER_R1_MASK         (0x00000030)
-#define SCU_SGPIO_START_DRIVE_UPPER_R2_SHIFT        (8)
-#define SCU_SGPIO_START_DRIVE_UPPER_R2_MASK         (0x00000300)
-#define SCU_SGPIO_START_DRIVE_UPPER_R3_SHIFT        (12)
-#define SCU_SGPIO_START_DRIVE_UPPER_R3_MASK         (0x00003000)
-#define SCU_SGPIO_START_DRIVE_UPPER_RESERVED_MASK   (0xFFFF8888)
-
-#define SCU_SGSDURx_GEN_VAL(name, value) \
-	SCU_GEN_VALUE(SCU_SGPIO_START_DRIVE_LOWER_ ## name, value)
-
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D0_SHIFT      (0)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D0_MASK       (0x00000003)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D1_SHIFT      (4)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D1_MASK       (0x00000030)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D2_SHIFT      (8)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D2_MASK       (0x00000300)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D3_SHIFT      (12)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_D3_MASK       (0x00003000)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_RESERVED_MASK (0xFFFF8888)
-
-#define SCU_SGSIDLRx_GEN_VAL(name, value) \
-	SCU_GEN_VALUE(SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_ ## name, value)
-
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D0_SHIFT      (0)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D0_MASK       (0x00000003)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D1_SHIFT      (4)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D1_MASK       (0x00000030)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D2_SHIFT      (8)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D2_MASK       (0x00000300)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D3_SHIFT      (12)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_D3_MASK       (0x00003000)
-#define SCU_SGPIO_SERIAL_INPUT_DATA_UPPER_RESERVED_MASK (0xFFFF8888)
-
-#define SCU_SGSIDURx_GEN_VAL(name, value) \
-	SCU_GEN_VALUE(SCU_SGPIO_SERIAL_INPUT_DATA_LOWER_ ## name, value)
-
-#define SCU_SGPIO_VENDOR_SPECIFIC_CODE_SHIFT            (0)
-#define SCU_SGPIO_VENDOR_SPECIFIC_CODE_MASK             (0x0000000F)
-#define SCU_SGPIO_VENDOR_SPECIFIC_CODE_RESERVED_MASK    (0xFFFFFFF0)
-
-#define SCU_SGVSCR_GEN_VAL(value) \
-	SCU_GEN_VALUE(SCU_SGPIO_VENDOR_SPECIFIC_CODE ## name, value)
-
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INPUT_DATA0_SHIFT           (0)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INPUT_DATA0_MASK            (0x00000003)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INVERT_INPUT_DATA0_SHIFT    (2)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INVERT_INPUT_DATA0_MASK     (0x00000004)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_JOG_ENABLE_DATA0_SHIFT      (3)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_JOG_ENABLE_DATA0_MASK       (0x00000008)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INPUT_DATA1_SHIFT           (4)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INPUT_DATA1_MASK            (0x00000030)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INVERT_INPUT_DATA1_SHIFT    (6)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INVERT_INPUT_DATA1_MASK     (0x00000040)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_JOG_ENABLE_DATA1_SHIFT      (7)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_JOG_ENABLE_DATA1_MASK       (0x00000080)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INPUT_DATA2_SHIFT           (8)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INPUT_DATA2_MASK            (0x00000300)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INVERT_INPUT_DATA2_SHIFT    (10)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_INVERT_INPUT_DATA2_MASK     (0x00000400)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_JOG_ENABLE_DATA2_SHIFT      (11)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_JOG_ENABLE_DATA2_MASK       (0x00000800)
-#define SCU_SGPIO_OUPUT_DATA_SELECT_RESERVED_MASK               (0xFFFFF000)
-
-#define SCU_SGODSR_GEN_VAL(name, value)	\
-	SCU_GEN_VALUE(SCU_SGPIO_OUPUT_DATA_SELECT_ ## name, value)
-
-#define SCU_SGODSR_GEN_BIT(name) \
-	SCU_GEN_BIT(SCU_SGPIO_OUPUT_DATA_SELECT_ ## name)
-
 /*
  * *****************************************************************************
  * * SMU Registers
@@ -1529,10 +1413,12 @@ struct scu_sgpio_registers {
 	u32 serial_input_upper;
 /* 0x0018 SGPIO_SGVSCR */
 	u32 vendor_specific_code;
+/* 0x001C Reserved */
+	u32 reserved_001c;
 /* 0x0020 SGPIO_SGODSR */
-	u32 ouput_data_select[8];
+	u32 output_data_select[8];
 /* Remainder of memory space 256 bytes */
-	u32 reserved_1444_14ff[0x31];
+	u32 reserved_1444_14ff[0x30];
 
 };
 
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c
index b6e6368c2665..fbf9ce28c3f5 100644
--- a/drivers/scsi/isci/remote_device.c
+++ b/drivers/scsi/isci/remote_device.c
@@ -386,6 +386,18 @@ static bool is_remote_device_ready(struct isci_remote_device *idev)
 	}
 }
 
+/*
+ * called once the remote node context has transisitioned to a ready
+ * state (after suspending RX and/or TX due to early D2H fis)
+ */
+static void atapi_remote_device_resume_done(void *_dev)
+{
+	struct isci_remote_device *idev = _dev;
+	struct isci_request *ireq = idev->working_request;
+
+	sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
+}
+
 enum sci_status sci_remote_device_event_handler(struct isci_remote_device *idev,
 						     u32 event_code)
 {
@@ -432,6 +444,16 @@ enum sci_status sci_remote_device_event_handler(struct isci_remote_device *idev,
 	if (status != SCI_SUCCESS)
 		return status;
 
+	if (state == SCI_STP_DEV_ATAPI_ERROR) {
+		/* For ATAPI error state resume the RNC right away. */
+		if (scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX ||
+		    scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX) {
+			return sci_remote_node_context_resume(&idev->rnc,
+							      atapi_remote_device_resume_done,
+							      idev);
+		}
+	}
+
 	if (state == SCI_STP_DEV_IDLE) {
 
 		/* We pick up suspension events to handle specifically to this
@@ -625,6 +647,7 @@ enum sci_status sci_remote_device_complete_io(struct isci_host *ihost,
 	case SCI_STP_DEV_CMD:
 	case SCI_STP_DEV_NCQ:
 	case SCI_STP_DEV_NCQ_ERROR:
+	case SCI_STP_DEV_ATAPI_ERROR:
 		status = common_complete_io(iport, idev, ireq);
 		if (status != SCI_SUCCESS)
 			break;
@@ -1020,6 +1043,7 @@ static const struct sci_base_state sci_remote_device_state_table[] = {
 	[SCI_STP_DEV_NCQ_ERROR] = {
 		.enter_state = sci_stp_remote_device_ready_ncq_error_substate_enter,
 	},
+	[SCI_STP_DEV_ATAPI_ERROR] = { },
 	[SCI_STP_DEV_AWAIT_RESET] = { },
 	[SCI_SMP_DEV_IDLE] = {
 		.enter_state = sci_smp_remote_device_ready_idle_substate_enter,
diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h
index 57ccfc3d6ad3..e1747ea0d0ea 100644
--- a/drivers/scsi/isci/remote_device.h
+++ b/drivers/scsi/isci/remote_device.h
@@ -244,6 +244,15 @@ enum sci_remote_device_states {
 	SCI_STP_DEV_NCQ_ERROR,
 
 	/**
+	 * This is the ATAPI error state for the STP ATAPI remote device.
+	 * This state is entered when ATAPI device sends error status FIS
+	 * without data while the device object is in CMD state.
+	 * A suspension event is expected in this state.
+	 * The device object will resume right away.
+	 */
+	SCI_STP_DEV_ATAPI_ERROR,
+
+	/**
 	 * This is the READY substate indicates the device is waiting for the RESET task
 	 * coming to be recovered from certain hardware specific error.
 	 */
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index b5d3a8c4d329..565a9f0a9bc2 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -481,7 +481,29 @@ static void sci_stp_optimized_request_construct(struct isci_request *ireq,
 	}
 }
 
+static void sci_atapi_construct(struct isci_request *ireq)
+{
+	struct host_to_dev_fis *h2d_fis = &ireq->stp.cmd;
+	struct sas_task *task;
+
+	/* To simplify the implementation we take advantage of the
+	 * silicon's partial acceleration of atapi protocol (dma data
+	 * transfers), so we promote all commands to dma protocol.  This
+	 * breaks compatibility with ATA_HORKAGE_ATAPI_MOD16_DMA drives.
+	 */
+	h2d_fis->features |= ATAPI_PKT_DMA;
 
+	scu_stp_raw_request_construct_task_context(ireq);
+
+	task = isci_request_access_task(ireq);
+	if (task->data_dir == DMA_NONE)
+		task->total_xfer_len = 0;
+
+	/* clear the response so we can detect arrivial of an
+	 * unsolicited h2d fis
+	 */
+	ireq->stp.rsp.fis_type = 0;
+}
 
 static enum sci_status
 sci_io_request_construct_sata(struct isci_request *ireq,
@@ -491,6 +513,7 @@ sci_io_request_construct_sata(struct isci_request *ireq,
 {
 	enum sci_status status = SCI_SUCCESS;
 	struct sas_task *task = isci_request_access_task(ireq);
+	struct domain_device *dev = ireq->target_device->domain_dev;
 
 	/* check for management protocols */
 	if (ireq->ttype == tmf_task) {
@@ -519,6 +542,13 @@ sci_io_request_construct_sata(struct isci_request *ireq,
 
 	}
 
+	/* ATAPI */
+	if (dev->sata_dev.command_set == ATAPI_COMMAND_SET &&
+	    task->ata_task.fis.command == ATA_CMD_PACKET) {
+		sci_atapi_construct(ireq);
+		return SCI_SUCCESS;
+	}
+
 	/* non data */
 	if (task->data_dir == DMA_NONE) {
 		scu_stp_raw_request_construct_task_context(ireq);
@@ -627,7 +657,7 @@ enum sci_status sci_task_request_construct_sata(struct isci_request *ireq)
 
 /**
  * sci_req_tx_bytes - bytes transferred when reply underruns request
- * @sci_req: request that was terminated early
+ * @ireq: request that was terminated early
  */
 #define SCU_TASK_CONTEXT_SRAM 0x200000
 static u32 sci_req_tx_bytes(struct isci_request *ireq)
@@ -729,6 +759,10 @@ sci_io_request_terminate(struct isci_request *ireq)
 	case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED:
 	case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG:
 	case SCI_REQ_STP_SOFT_RESET_WAIT_D2H:
+	case SCI_REQ_ATAPI_WAIT_H2D:
+	case SCI_REQ_ATAPI_WAIT_PIO_SETUP:
+	case SCI_REQ_ATAPI_WAIT_D2H:
+	case SCI_REQ_ATAPI_WAIT_TC_COMP:
 		sci_change_state(&ireq->sm, SCI_REQ_ABORTING);
 		return SCI_SUCCESS;
 	case SCI_REQ_TASK_WAIT_TC_RESP:
@@ -1194,8 +1228,8 @@ static enum sci_status sci_stp_request_pio_data_out_transmit_data(struct isci_re
 {
 	struct isci_stp_request *stp_req = &ireq->stp.req;
 	struct scu_sgl_element_pair *sgl_pair;
+	enum sci_status status = SCI_SUCCESS;
 	struct scu_sgl_element *sgl;
-	enum sci_status status;
 	u32 offset;
 	u32 len = 0;
 
@@ -1249,7 +1283,7 @@ static enum sci_status sci_stp_request_pio_data_out_transmit_data(struct isci_re
  */
 static enum sci_status
 sci_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_req,
-						  u8 *data_buf, u32 len)
+					     u8 *data_buf, u32 len)
 {
 	struct isci_request *ireq;
 	u8 *src_addr;
@@ -1423,6 +1457,128 @@ static enum sci_status sci_stp_request_udma_general_frame_handler(struct isci_re
 	return status;
 }
 
+static enum sci_status process_unsolicited_fis(struct isci_request *ireq,
+					       u32 frame_index)
+{
+	struct isci_host *ihost = ireq->owning_controller;
+	enum sci_status status;
+	struct dev_to_host_fis *frame_header;
+	u32 *frame_buffer;
+
+	status = sci_unsolicited_frame_control_get_header(&ihost->uf_control,
+							  frame_index,
+							  (void **)&frame_header);
+
+	if (status != SCI_SUCCESS)
+		return status;
+
+	if (frame_header->fis_type != FIS_REGD2H) {
+		dev_err(&ireq->isci_host->pdev->dev,
+			"%s ERROR: invalid fis type 0x%X\n",
+			__func__, frame_header->fis_type);
+		return SCI_FAILURE;
+	}
+
+	sci_unsolicited_frame_control_get_buffer(&ihost->uf_control,
+						 frame_index,
+						 (void **)&frame_buffer);
+
+	sci_controller_copy_sata_response(&ireq->stp.rsp,
+					  (u32 *)frame_header,
+					  frame_buffer);
+
+	/* Frame has been decoded return it to the controller */
+	sci_controller_release_frame(ihost, frame_index);
+
+	return status;
+}
+
+static enum sci_status atapi_d2h_reg_frame_handler(struct isci_request *ireq,
+						   u32 frame_index)
+{
+	struct sas_task *task = isci_request_access_task(ireq);
+	enum sci_status status;
+
+	status = process_unsolicited_fis(ireq, frame_index);
+
+	if (status == SCI_SUCCESS) {
+		if (ireq->stp.rsp.status & ATA_ERR)
+			status = SCI_IO_FAILURE_RESPONSE_VALID;
+	} else {
+		status = SCI_IO_FAILURE_RESPONSE_VALID;
+	}
+
+	if (status != SCI_SUCCESS) {
+		ireq->scu_status = SCU_TASK_DONE_CHECK_RESPONSE;
+		ireq->sci_status = status;
+	} else {
+		ireq->scu_status = SCU_TASK_DONE_GOOD;
+		ireq->sci_status = SCI_SUCCESS;
+	}
+
+	/* the d2h ufi is the end of non-data commands */
+	if (task->data_dir == DMA_NONE)
+		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
+
+	return status;
+}
+
+static void scu_atapi_reconstruct_raw_frame_task_context(struct isci_request *ireq)
+{
+	struct ata_device *dev = sas_to_ata_dev(ireq->target_device->domain_dev);
+	void *atapi_cdb = ireq->ttype_ptr.io_task_ptr->ata_task.atapi_packet;
+	struct scu_task_context *task_context = ireq->tc;
+
+	/* fill in the SCU Task Context for a DATA fis containing CDB in Raw Frame
+	 * type. The TC for previous Packet fis was already there, we only need to
+	 * change the H2D fis content.
+	 */
+	memset(&ireq->stp.cmd, 0, sizeof(struct host_to_dev_fis));
+	memcpy(((u8 *)&ireq->stp.cmd + sizeof(u32)), atapi_cdb, ATAPI_CDB_LEN);
+	memset(&(task_context->type.stp), 0, sizeof(struct stp_task_context));
+	task_context->type.stp.fis_type = FIS_DATA;
+	task_context->transfer_length_bytes = dev->cdb_len;
+}
+
+static void scu_atapi_construct_task_context(struct isci_request *ireq)
+{
+	struct ata_device *dev = sas_to_ata_dev(ireq->target_device->domain_dev);
+	struct sas_task *task = isci_request_access_task(ireq);
+	struct scu_task_context *task_context = ireq->tc;
+	int cdb_len = dev->cdb_len;
+
+	/* reference: SSTL 1.13.4.2
+	 * task_type, sata_direction
+	 */
+	if (task->data_dir == DMA_TO_DEVICE) {
+		task_context->task_type = SCU_TASK_TYPE_PACKET_DMA_OUT;
+		task_context->sata_direction = 0;
+	} else {
+		/* todo: for NO_DATA command, we need to send out raw frame. */
+		task_context->task_type = SCU_TASK_TYPE_PACKET_DMA_IN;
+		task_context->sata_direction = 1;
+	}
+
+	memset(&task_context->type.stp, 0, sizeof(task_context->type.stp));
+	task_context->type.stp.fis_type = FIS_DATA;
+
+	memset(&ireq->stp.cmd, 0, sizeof(ireq->stp.cmd));
+	memcpy(&ireq->stp.cmd.lbal, task->ata_task.atapi_packet, cdb_len);
+	task_context->ssp_command_iu_length = cdb_len / sizeof(u32);
+
+	/* task phase is set to TX_CMD */
+	task_context->task_phase = 0x1;
+
+	/* retry counter */
+	task_context->stp_retry_count = 0;
+
+	/* data transfer size. */
+	task_context->transfer_length_bytes = task->total_xfer_len;
+
+	/* setup sgl */
+	sci_request_build_sgl(ireq);
+}
+
 enum sci_status
 sci_io_request_frame_handler(struct isci_request *ireq,
 				  u32 frame_index)
@@ -1490,29 +1646,30 @@ sci_io_request_frame_handler(struct isci_request *ireq,
 		return SCI_SUCCESS;
 
 	case SCI_REQ_SMP_WAIT_RESP: {
-		struct smp_resp *rsp_hdr = &ireq->smp.rsp;
-		void *frame_header;
+		struct sas_task *task = isci_request_access_task(ireq);
+		struct scatterlist *sg = &task->smp_task.smp_resp;
+		void *frame_header, *kaddr;
+		u8 *rsp;
 
 		sci_unsolicited_frame_control_get_header(&ihost->uf_control,
-							      frame_index,
-							      &frame_header);
-
-		/* byte swap the header. */
-		word_cnt = SMP_RESP_HDR_SZ / sizeof(u32);
-		sci_swab32_cpy(rsp_hdr, frame_header, word_cnt);
+							 frame_index,
+							 &frame_header);
+		kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
+		rsp = kaddr + sg->offset;
+		sci_swab32_cpy(rsp, frame_header, 1);
 
-		if (rsp_hdr->frame_type == SMP_RESPONSE) {
+		if (rsp[0] == SMP_RESPONSE) {
 			void *smp_resp;
 
 			sci_unsolicited_frame_control_get_buffer(&ihost->uf_control,
-								      frame_index,
-								      &smp_resp);
-
-			word_cnt = (sizeof(struct smp_resp) - SMP_RESP_HDR_SZ) /
-				sizeof(u32);
+								 frame_index,
+								 &smp_resp);
 
-			sci_swab32_cpy(((u8 *) rsp_hdr) + SMP_RESP_HDR_SZ,
-				       smp_resp, word_cnt);
+			word_cnt = (sg->length/4)-1;
+			if (word_cnt > 0)
+				word_cnt = min_t(unsigned int, word_cnt,
+						 SCU_UNSOLICITED_FRAME_BUFFER_SIZE/4);
+			sci_swab32_cpy(rsp + 4, smp_resp, word_cnt);
 
 			ireq->scu_status = SCU_TASK_DONE_GOOD;
 			ireq->sci_status = SCI_SUCCESS;
@@ -1528,12 +1685,13 @@ sci_io_request_frame_handler(struct isci_request *ireq,
 				__func__,
 				ireq,
 				frame_index,
-				rsp_hdr->frame_type);
+				rsp[0]);
 
 			ireq->scu_status = SCU_TASK_DONE_SMP_FRM_TYPE_ERR;
 			ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR;
 			sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
 		}
+		kunmap_atomic(kaddr, KM_IRQ0);
 
 		sci_controller_release_frame(ihost, frame_index);
 
@@ -1833,6 +1991,24 @@ sci_io_request_frame_handler(struct isci_request *ireq,
 
 		return status;
 	}
+	case SCI_REQ_ATAPI_WAIT_PIO_SETUP: {
+		struct sas_task *task = isci_request_access_task(ireq);
+
+		sci_controller_release_frame(ihost, frame_index);
+		ireq->target_device->working_request = ireq;
+		if (task->data_dir == DMA_NONE) {
+			sci_change_state(&ireq->sm, SCI_REQ_ATAPI_WAIT_TC_COMP);
+			scu_atapi_reconstruct_raw_frame_task_context(ireq);
+		} else {
+			sci_change_state(&ireq->sm, SCI_REQ_ATAPI_WAIT_D2H);
+			scu_atapi_construct_task_context(ireq);
+		}
+
+		sci_controller_continue_io(ireq);
+		return SCI_SUCCESS;
+	}
+	case SCI_REQ_ATAPI_WAIT_D2H:
+		return atapi_d2h_reg_frame_handler(ireq, frame_index);
 	case SCI_REQ_ABORTING:
 		/*
 		 * TODO: Is it even possible to get an unsolicited frame in the
@@ -1898,10 +2074,9 @@ static enum sci_status stp_request_udma_await_tc_event(struct isci_request *ireq
 	case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_MAX_PLD_ERR):
 	case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_LL_R_ERR):
 	case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CMD_LL_R_ERR):
-	case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CRC_ERR):
 		sci_remote_device_suspend(ireq->target_device,
 			SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code)));
-	/* Fall through to the default case */
+		/* Fall through to the default case */
 	default:
 		/* All other completion status cause the IO to be complete. */
 		ireq->scu_status = SCU_NORMALIZE_COMPLETION_STATUS(completion_code);
@@ -1964,6 +2139,112 @@ stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct isci_request *ireq,
 	return SCI_SUCCESS;
 }
 
+static enum sci_status atapi_raw_completion(struct isci_request *ireq, u32 completion_code,
+						  enum sci_base_request_states next)
+{
+	enum sci_status status = SCI_SUCCESS;
+
+	switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
+	case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
+		ireq->scu_status = SCU_TASK_DONE_GOOD;
+		ireq->sci_status = SCI_SUCCESS;
+		sci_change_state(&ireq->sm, next);
+		break;
+	default:
+		/* All other completion status cause the IO to be complete.
+		 * If a NAK was received, then it is up to the user to retry
+		 * the request.
+		 */
+		ireq->scu_status = SCU_NORMALIZE_COMPLETION_STATUS(completion_code);
+		ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR;
+
+		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
+		break;
+	}
+
+	return status;
+}
+
+static enum sci_status atapi_data_tc_completion_handler(struct isci_request *ireq,
+							u32 completion_code)
+{
+	struct isci_remote_device *idev = ireq->target_device;
+	struct dev_to_host_fis *d2h = &ireq->stp.rsp;
+	enum sci_status status = SCI_SUCCESS;
+
+	switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
+	case (SCU_TASK_DONE_GOOD << SCU_COMPLETION_TL_STATUS_SHIFT):
+		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
+		break;
+
+	case (SCU_TASK_DONE_UNEXP_FIS << SCU_COMPLETION_TL_STATUS_SHIFT): {
+		u16 len = sci_req_tx_bytes(ireq);
+
+		/* likely non-error data underrrun, workaround missing
+		 * d2h frame from the controller
+		 */
+		if (d2h->fis_type != FIS_REGD2H) {
+			d2h->fis_type = FIS_REGD2H;
+			d2h->flags = (1 << 6);
+			d2h->status = 0x50;
+			d2h->error = 0;
+			d2h->lbal = 0;
+			d2h->byte_count_low = len & 0xff;
+			d2h->byte_count_high = len >> 8;
+			d2h->device = 0xa0;
+			d2h->lbal_exp = 0;
+			d2h->lbam_exp = 0;
+			d2h->lbah_exp = 0;
+			d2h->_r_a = 0;
+			d2h->sector_count = 0x3;
+			d2h->sector_count_exp = 0;
+			d2h->_r_b = 0;
+			d2h->_r_c = 0;
+			d2h->_r_d = 0;
+		}
+
+		ireq->scu_status = SCU_TASK_DONE_GOOD;
+		ireq->sci_status = SCI_SUCCESS_IO_DONE_EARLY;
+		status = ireq->sci_status;
+
+		/* the hw will have suspended the rnc, so complete the
+		 * request upon pending resume
+		 */
+		sci_change_state(&idev->sm, SCI_STP_DEV_ATAPI_ERROR);
+		break;
+	}
+	case (SCU_TASK_DONE_EXCESS_DATA << SCU_COMPLETION_TL_STATUS_SHIFT):
+		/* In this case, there is no UF coming after.
+		 * compelte the IO now.
+		 */
+		ireq->scu_status = SCU_TASK_DONE_GOOD;
+		ireq->sci_status = SCI_SUCCESS;
+		sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
+		break;
+
+	default:
+		if (d2h->fis_type == FIS_REGD2H) {
+			/* UF received change the device state to ATAPI_ERROR */
+			status = ireq->sci_status;
+			sci_change_state(&idev->sm, SCI_STP_DEV_ATAPI_ERROR);
+		} else {
+			/* If receiving any non-sucess TC status, no UF
+			 * received yet, then an UF for the status fis
+			 * is coming after (XXX: suspect this is
+			 * actually a protocol error or a bug like the
+			 * DONE_UNEXP_FIS case)
+			 */
+			ireq->scu_status = SCU_TASK_DONE_CHECK_RESPONSE;
+			ireq->sci_status = SCI_FAILURE_IO_RESPONSE_VALID;
+
+			sci_change_state(&ireq->sm, SCI_REQ_ATAPI_WAIT_D2H);
+		}
+		break;
+	}
+
+	return status;
+}
+
 enum sci_status
 sci_io_request_tc_completion(struct isci_request *ireq,
 				  u32 completion_code)
@@ -2015,6 +2296,17 @@ sci_io_request_tc_completion(struct isci_request *ireq,
 		return request_aborting_state_tc_event(ireq,
 						       completion_code);
 
+	case SCI_REQ_ATAPI_WAIT_H2D:
+		return atapi_raw_completion(ireq, completion_code,
+					    SCI_REQ_ATAPI_WAIT_PIO_SETUP);
+
+	case SCI_REQ_ATAPI_WAIT_TC_COMP:
+		return atapi_raw_completion(ireq, completion_code,
+					    SCI_REQ_ATAPI_WAIT_D2H);
+
+	case SCI_REQ_ATAPI_WAIT_D2H:
+		return atapi_data_tc_completion_handler(ireq, completion_code);
+
 	default:
 		dev_warn(&ihost->pdev->dev,
 			 "%s: SCIC IO Request given task completion "
@@ -2421,6 +2713,8 @@ static void isci_process_stp_response(struct sas_task *task, struct dev_to_host_
 	 */
 	if (fis->status & ATA_DF)
 		ts->stat = SAS_PROTO_RESPONSE;
+	else if (fis->status & ATA_ERR)
+		ts->stat = SAM_STAT_CHECK_CONDITION;
 	else
 		ts->stat = SAM_STAT_GOOD;
 
@@ -2603,18 +2897,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost,
 			status   = SAM_STAT_GOOD;
 			set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
-			if (task->task_proto == SAS_PROTOCOL_SMP) {
-				void *rsp = &request->smp.rsp;
-
-				dev_dbg(&ihost->pdev->dev,
-					"%s: SMP protocol completion\n",
-					__func__);
-
-				sg_copy_from_buffer(
-					&task->smp_task.smp_resp, 1,
-					rsp, sizeof(struct smp_resp));
-			} else if (completion_status
-				   == SCI_IO_SUCCESS_IO_DONE_EARLY) {
+			if (completion_status == SCI_IO_SUCCESS_IO_DONE_EARLY) {
 
 				/* This was an SSP / STP / SATA transfer.
 				 * There is a possibility that less data than
@@ -2791,6 +3074,7 @@ static void sci_request_started_state_enter(struct sci_base_state_machine *sm)
 {
 	struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
 	struct domain_device *dev = ireq->target_device->domain_dev;
+	enum sci_base_request_states state;
 	struct sas_task *task;
 
 	/* XXX as hch said always creating an internal sas_task for tmf
@@ -2802,26 +3086,30 @@ static void sci_request_started_state_enter(struct sci_base_state_machine *sm)
 	 * substates
 	 */
 	if (!task && dev->dev_type == SAS_END_DEV) {
-		sci_change_state(sm, SCI_REQ_TASK_WAIT_TC_COMP);
+		state = SCI_REQ_TASK_WAIT_TC_COMP;
 	} else if (!task &&
 		   (isci_request_access_tmf(ireq)->tmf_code == isci_tmf_sata_srst_high ||
 		    isci_request_access_tmf(ireq)->tmf_code == isci_tmf_sata_srst_low)) {
-		sci_change_state(sm, SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED);
+		state = SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED;
 	} else if (task && task->task_proto == SAS_PROTOCOL_SMP) {
-		sci_change_state(sm, SCI_REQ_SMP_WAIT_RESP);
+		state = SCI_REQ_SMP_WAIT_RESP;
 	} else if (task && sas_protocol_ata(task->task_proto) &&
 		   !task->ata_task.use_ncq) {
-		u32 state;
-
-		if (task->data_dir == DMA_NONE)
+		if (dev->sata_dev.command_set == ATAPI_COMMAND_SET &&
+			task->ata_task.fis.command == ATA_CMD_PACKET) {
+			state = SCI_REQ_ATAPI_WAIT_H2D;
+		} else if (task->data_dir == DMA_NONE) {
 			state = SCI_REQ_STP_NON_DATA_WAIT_H2D;
-		else if (task->ata_task.dma_xfer)
+		} else if (task->ata_task.dma_xfer) {
 			state = SCI_REQ_STP_UDMA_WAIT_TC_COMP;
-		else /* PIO */
+		} else /* PIO */ {
 			state = SCI_REQ_STP_PIO_WAIT_H2D;
-
-		sci_change_state(sm, state);
+		}
+	} else {
+		/* SSP or NCQ are fully accelerated, no substates */
+		return;
 	}
+	sci_change_state(sm, state);
 }
 
 static void sci_request_completed_state_enter(struct sci_base_state_machine *sm)
@@ -2913,6 +3201,10 @@ static const struct sci_base_state sci_request_state_table[] = {
 	[SCI_REQ_TASK_WAIT_TC_RESP] = { },
 	[SCI_REQ_SMP_WAIT_RESP] = { },
 	[SCI_REQ_SMP_WAIT_TC_COMP] = { },
+	[SCI_REQ_ATAPI_WAIT_H2D] = { },
+	[SCI_REQ_ATAPI_WAIT_PIO_SETUP] = { },
+	[SCI_REQ_ATAPI_WAIT_D2H] = { },
+	[SCI_REQ_ATAPI_WAIT_TC_COMP] = { },
 	[SCI_REQ_COMPLETED] = {
 		.enter_state = sci_request_completed_state_enter,
 	},
diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h
index 7a1d5a9778eb..f720b97b7bb5 100644
--- a/drivers/scsi/isci/request.h
+++ b/drivers/scsi/isci/request.h
@@ -96,7 +96,6 @@ enum sci_request_protocol {
  *	     to wait for another fis or if the transfer is complete.  Upon
  *           receipt of a d2h fis this will be the status field of that fis.
  * @sgl - track pio transfer progress as we iterate through the sgl
- * @device_cdb_len - atapi device advertises it's transfer constraints at setup
  */
 struct isci_stp_request {
 	u32 pio_len;
@@ -107,7 +106,6 @@ struct isci_stp_request {
 		u8 set;
 		u32 offset;
 	} sgl;
-	u32 device_cdb_len;
 };
 
 struct isci_request {
@@ -174,9 +172,6 @@ struct isci_request {
 			};
 		} ssp;
 		struct {
-			struct smp_resp rsp;
-		} smp;
-		struct {
 			struct isci_stp_request req;
 			struct host_to_dev_fis cmd;
 			struct dev_to_host_fis rsp;
@@ -252,6 +247,32 @@ enum sci_base_request_states {
 	SCI_REQ_STP_PIO_DATA_OUT,
 
 	/*
+	 * While in this state the IO request object is waiting for the TC
+	 * completion notification for the H2D Register FIS
+	 */
+	SCI_REQ_ATAPI_WAIT_H2D,
+
+	/*
+	 * While in this state the IO request object is waiting for either a
+	 * PIO Setup.
+	 */
+	SCI_REQ_ATAPI_WAIT_PIO_SETUP,
+
+	/*
+	 * The non-data IO transit to this state in this state after receiving
+	 * TC completion. While in this state IO request object is waiting for
+	 * D2H status frame as UF.
+	 */
+	SCI_REQ_ATAPI_WAIT_D2H,
+
+	/*
+	 * When transmitting raw frames hardware reports task context completion
+	 * after every frame submission, so in the non-accelerated case we need
+	 * to expect the completion for the "cdb" frame.
+	 */
+	SCI_REQ_ATAPI_WAIT_TC_COMP,
+
+	/*
 	 * The AWAIT_TC_COMPLETION sub-state indicates that the started raw
 	 * task management request is waiting for the transmission of the
 	 * initial frame (i.e. command, task, etc.).
diff --git a/drivers/scsi/isci/sas.h b/drivers/scsi/isci/sas.h
index 462b15174d3f..dc26b4aea99e 100644
--- a/drivers/scsi/isci/sas.h
+++ b/drivers/scsi/isci/sas.h
@@ -204,8 +204,6 @@ struct smp_req {
 	u8 req_data[0];
 }  __packed;
 
-#define SMP_RESP_HDR_SZ	4
-
 /*
  * struct sci_sas_address - This structure depicts how a SAS address is
  *    represented by SCI.
diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c
index d6bcdd013dc9..e2d9418683ce 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -1345,29 +1345,6 @@ static void isci_smp_task_done(struct sas_task *task)
 	complete(&task->completion);
 }
 
-static struct sas_task *isci_alloc_task(void)
-{
-	struct sas_task *task = kzalloc(sizeof(*task), GFP_KERNEL);
-
-	if (task) {
-		INIT_LIST_HEAD(&task->list);
-		spin_lock_init(&task->task_state_lock);
-		task->task_state_flags = SAS_TASK_STATE_PENDING;
-		init_timer(&task->timer);
-		init_completion(&task->completion);
-	}
-
-	return task;
-}
-
-static void isci_free_task(struct isci_host *ihost, struct sas_task  *task)
-{
-	if (task) {
-		BUG_ON(!list_empty(&task->list));
-		kfree(task);
-	}
-}
-
 static int isci_smp_execute_task(struct isci_host *ihost,
 				 struct domain_device *dev, void *req,
 				 int req_size, void *resp, int resp_size)
@@ -1376,7 +1353,7 @@ static int isci_smp_execute_task(struct isci_host *ihost,
 	struct sas_task *task = NULL;
 
 	for (retry = 0; retry < 3; retry++) {
-		task = isci_alloc_task();
+		task = sas_alloc_task(GFP_KERNEL);
 		if (!task)
 			return -ENOMEM;
 
@@ -1439,13 +1416,13 @@ static int isci_smp_execute_task(struct isci_host *ihost,
 				SAS_ADDR(dev->sas_addr),
 				task->task_status.resp,
 				task->task_status.stat);
-			isci_free_task(ihost, task);
+			sas_free_task(task);
 			task = NULL;
 		}
 	}
 ex_err:
 	BUG_ON(retry == 3 && task != NULL);
-	isci_free_task(ihost, task);
+	sas_free_task(task);
 	return res;
 }
 
diff --git a/drivers/scsi/isci/task.h b/drivers/scsi/isci/task.h
index 4a7fa90287ef..15b18d158993 100644
--- a/drivers/scsi/isci/task.h
+++ b/drivers/scsi/isci/task.h
@@ -286,6 +286,25 @@ isci_task_set_completion_status(
 	task->task_status.resp = response;
 	task->task_status.stat = status;
 
+	switch (task->task_proto) {
+
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+
+		if (task_notification_selection
+		    == isci_perform_error_io_completion) {
+			/* SATA/STP I/O has it's own means of scheduling device
+			* error handling on the normal path.
+			*/
+			task_notification_selection
+				= isci_perform_normal_io_completion;
+		}
+		break;
+	default:
+		break;
+	}
+
 	switch (task_notification_selection) {
 
 	case isci_perform_error_io_completion:
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 7724414588fa..23e706673d06 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -872,6 +872,61 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session)
 	iscsi_host_free(shost);
 }
 
+static mode_t iscsi_sw_tcp_attr_is_visible(int param_type, int param)
+{
+	switch (param_type) {
+	case ISCSI_HOST_PARAM:
+		switch (param) {
+		case ISCSI_HOST_PARAM_NETDEV_NAME:
+		case ISCSI_HOST_PARAM_HWADDRESS:
+		case ISCSI_HOST_PARAM_IPADDRESS:
+		case ISCSI_HOST_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	case ISCSI_PARAM:
+		switch (param) {
+		case ISCSI_PARAM_MAX_RECV_DLENGTH:
+		case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+		case ISCSI_PARAM_HDRDGST_EN:
+		case ISCSI_PARAM_DATADGST_EN:
+		case ISCSI_PARAM_CONN_ADDRESS:
+		case ISCSI_PARAM_CONN_PORT:
+		case ISCSI_PARAM_EXP_STATSN:
+		case ISCSI_PARAM_PERSISTENT_ADDRESS:
+		case ISCSI_PARAM_PERSISTENT_PORT:
+		case ISCSI_PARAM_PING_TMO:
+		case ISCSI_PARAM_RECV_TMO:
+		case ISCSI_PARAM_INITIAL_R2T_EN:
+		case ISCSI_PARAM_MAX_R2T:
+		case ISCSI_PARAM_IMM_DATA_EN:
+		case ISCSI_PARAM_FIRST_BURST:
+		case ISCSI_PARAM_MAX_BURST:
+		case ISCSI_PARAM_PDU_INORDER_EN:
+		case ISCSI_PARAM_DATASEQ_INORDER_EN:
+		case ISCSI_PARAM_ERL:
+		case ISCSI_PARAM_TARGET_NAME:
+		case ISCSI_PARAM_TPGT:
+		case ISCSI_PARAM_USERNAME:
+		case ISCSI_PARAM_PASSWORD:
+		case ISCSI_PARAM_USERNAME_IN:
+		case ISCSI_PARAM_PASSWORD_IN:
+		case ISCSI_PARAM_FAST_ABORT:
+		case ISCSI_PARAM_ABORT_TMO:
+		case ISCSI_PARAM_LU_RESET_TMO:
+		case ISCSI_PARAM_TGT_RESET_TMO:
+		case ISCSI_PARAM_IFACE_NAME:
+		case ISCSI_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
+
 static int iscsi_sw_tcp_slave_alloc(struct scsi_device *sdev)
 {
 	set_bit(QUEUE_FLAG_BIDI, &sdev->request_queue->queue_flags);
@@ -910,33 +965,6 @@ static struct iscsi_transport iscsi_sw_tcp_transport = {
 	.name			= "tcp",
 	.caps			= CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST
 				  | CAP_DATADGST,
-	.param_mask		= ISCSI_MAX_RECV_DLENGTH |
-				  ISCSI_MAX_XMIT_DLENGTH |
-				  ISCSI_HDRDGST_EN |
-				  ISCSI_DATADGST_EN |
-				  ISCSI_INITIAL_R2T_EN |
-				  ISCSI_MAX_R2T |
-				  ISCSI_IMM_DATA_EN |
-				  ISCSI_FIRST_BURST |
-				  ISCSI_MAX_BURST |
-				  ISCSI_PDU_INORDER_EN |
-				  ISCSI_DATASEQ_INORDER_EN |
-				  ISCSI_ERL |
-				  ISCSI_CONN_PORT |
-				  ISCSI_CONN_ADDRESS |
-				  ISCSI_EXP_STATSN |
-				  ISCSI_PERSISTENT_PORT |
-				  ISCSI_PERSISTENT_ADDRESS |
-				  ISCSI_TARGET_NAME | ISCSI_TPGT |
-				  ISCSI_USERNAME | ISCSI_PASSWORD |
-				  ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
-				  ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
-				  ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO |
-				  ISCSI_PING_TMO | ISCSI_RECV_TMO |
-				  ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
-	.host_param_mask	= ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |
-				  ISCSI_HOST_INITIATOR_NAME |
-				  ISCSI_HOST_NETDEV_NAME,
 	/* session management */
 	.create_session		= iscsi_sw_tcp_session_create,
 	.destroy_session	= iscsi_sw_tcp_session_destroy,
@@ -944,6 +972,7 @@ static struct iscsi_transport iscsi_sw_tcp_transport = {
 	.create_conn		= iscsi_sw_tcp_conn_create,
 	.bind_conn		= iscsi_sw_tcp_conn_bind,
 	.destroy_conn		= iscsi_sw_tcp_conn_destroy,
+	.attr_is_visible	= iscsi_sw_tcp_attr_is_visible,
 	.set_param		= iscsi_sw_tcp_conn_set_param,
 	.get_conn_param		= iscsi_sw_tcp_conn_get_param,
 	.get_session_param	= iscsi_session_get_param,
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index d261e982a2fa..7c055fdca45d 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -65,16 +65,15 @@ static struct workqueue_struct *fc_exch_workqueue;
  * assigned range of exchanges to per cpu pool.
  */
 struct fc_exch_pool {
+	spinlock_t	 lock;
+	struct list_head ex_list;
 	u16		 next_index;
 	u16		 total_exches;
 
 	/* two cache of free slot in exch array */
 	u16		 left;
 	u16		 right;
-
-	spinlock_t	 lock;
-	struct list_head ex_list;
-};
+} ____cacheline_aligned_in_smp;
 
 /**
  * struct fc_exch_mgr - The Exchange Manager (EM).
@@ -91,13 +90,13 @@ struct fc_exch_pool {
  * It manages the allocation of exchange IDs.
  */
 struct fc_exch_mgr {
+	struct fc_exch_pool *pool;
+	mempool_t	*ep_pool;
 	enum fc_class	class;
 	struct kref	kref;
 	u16		min_xid;
 	u16		max_xid;
-	mempool_t	*ep_pool;
 	u16		pool_max_index;
-	struct fc_exch_pool *pool;
 
 	/*
 	 * currently exchange mgr stats are updated but not used.
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 4c41ee816f0b..221875ec3d7c 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -759,7 +759,6 @@ static void fc_fcp_recv(struct fc_seq *seq, struct fc_frame *fp, void *arg)
 		goto out;
 	if (fc_fcp_lock_pkt(fsp))
 		goto out;
-	fsp->last_pkt_time = jiffies;
 
 	if (fh->fh_type == FC_TYPE_BLS) {
 		fc_fcp_abts_resp(fsp, fp);
@@ -1148,7 +1147,6 @@ static int fc_fcp_cmd_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp,
 		rc = -1;
 		goto unlock;
 	}
-	fsp->last_pkt_time = jiffies;
 	fsp->seq_ptr = seq;
 	fc_fcp_pkt_hold(fsp);	/* hold for fc_fcp_pkt_destroy */
 
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 256a999d010b..d7c76f2eb636 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -3163,7 +3163,6 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
 {
 	struct iscsi_conn *conn = cls_conn->dd_data;
 	struct iscsi_session *session = conn->session;
-	uint32_t value;
 
 	switch(param) {
 	case ISCSI_PARAM_FAST_ABORT:
@@ -3220,14 +3219,6 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
 	case ISCSI_PARAM_ERL:
 		sscanf(buf, "%d", &session->erl);
 		break;
-	case ISCSI_PARAM_IFMARKER_EN:
-		sscanf(buf, "%d", &value);
-		BUG_ON(value);
-		break;
-	case ISCSI_PARAM_OFMARKER_EN:
-		sscanf(buf, "%d", &value);
-		BUG_ON(value);
-		break;
 	case ISCSI_PARAM_EXP_STATSN:
 		sscanf(buf, "%u", &conn->exp_statsn);
 		break;
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index f5831930df9b..54a5199ceb56 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -219,17 +219,20 @@ out_err2:
 
 /* ---------- Device registration and unregistration ---------- */
 
-static inline void sas_unregister_common_dev(struct domain_device *dev)
+static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_device *dev)
 {
 	sas_notify_lldd_dev_gone(dev);
 	if (!dev->parent)
 		dev->port->port_dev = NULL;
 	else
 		list_del_init(&dev->siblings);
+
+	spin_lock_irq(&port->dev_list_lock);
 	list_del_init(&dev->dev_list_node);
+	spin_unlock_irq(&port->dev_list_lock);
 }
 
-void sas_unregister_dev(struct domain_device *dev)
+void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)
 {
 	if (dev->rphy) {
 		sas_remove_children(&dev->rphy->dev);
@@ -241,15 +244,15 @@ void sas_unregister_dev(struct domain_device *dev)
 		kfree(dev->ex_dev.ex_phy);
 		dev->ex_dev.ex_phy = NULL;
 	}
-	sas_unregister_common_dev(dev);
+	sas_unregister_common_dev(port, dev);
 }
 
 void sas_unregister_domain_devices(struct asd_sas_port *port)
 {
 	struct domain_device *dev, *n;
 
-	list_for_each_entry_safe_reverse(dev,n,&port->dev_list,dev_list_node)
-		sas_unregister_dev(dev);
+	list_for_each_entry_safe_reverse(dev, n, &port->dev_list, dev_list_node)
+		sas_unregister_dev(port, dev);
 
 	port->port->rphy = NULL;
 
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 16ad97df5ba6..1b831c55ec6e 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -199,6 +199,8 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id,
 	phy->virtual = dr->virtual;
 	phy->last_da_index = -1;
 
+	phy->phy->identify.sas_address = SAS_ADDR(phy->attached_sas_addr);
+	phy->phy->identify.device_type = phy->attached_dev_type;
 	phy->phy->identify.initiator_port_protocols = phy->attached_iproto;
 	phy->phy->identify.target_port_protocols = phy->attached_tproto;
 	phy->phy->identify.phy_identifier = phy_id;
@@ -329,6 +331,7 @@ static void ex_assign_report_general(struct domain_device *dev,
 	dev->ex_dev.ex_change_count = be16_to_cpu(rg->change_count);
 	dev->ex_dev.max_route_indexes = be16_to_cpu(rg->route_indexes);
 	dev->ex_dev.num_phys = min(rg->num_phys, (u8)MAX_EXPANDER_PHYS);
+	dev->ex_dev.t2t_supp = rg->t2t_supp;
 	dev->ex_dev.conf_route_table = rg->conf_route_table;
 	dev->ex_dev.configuring = rg->configuring;
 	memcpy(dev->ex_dev.enclosure_logical_id, rg->enclosure_logical_id, 8);
@@ -751,7 +754,10 @@ static struct domain_device *sas_ex_discover_end_dev(
  out_list_del:
 	sas_rphy_free(child->rphy);
 	child->rphy = NULL;
+
+	spin_lock_irq(&parent->port->dev_list_lock);
 	list_del(&child->dev_list_node);
+	spin_unlock_irq(&parent->port->dev_list_lock);
  out_free:
 	sas_port_delete(phy->port);
  out_err:
@@ -1133,15 +1139,17 @@ static void sas_print_parent_topology_bug(struct domain_device *child,
 	};
 	struct domain_device *parent = child->parent;
 
-	sas_printk("%s ex %016llx phy 0x%x <--> %s ex %016llx phy 0x%x "
-		   "has %c:%c routing link!\n",
+	sas_printk("%s ex %016llx (T2T supp:%d) phy 0x%x <--> %s ex %016llx "
+		   "(T2T supp:%d) phy 0x%x has %c:%c routing link!\n",
 
 		   ex_type[parent->dev_type],
 		   SAS_ADDR(parent->sas_addr),
+		   parent->ex_dev.t2t_supp,
 		   parent_phy->phy_id,
 
 		   ex_type[child->dev_type],
 		   SAS_ADDR(child->sas_addr),
+		   child->ex_dev.t2t_supp,
 		   child_phy->phy_id,
 
 		   ra_char[parent_phy->routing_attr],
@@ -1238,10 +1246,15 @@ static int sas_check_parent_topology(struct domain_device *child)
 					sas_print_parent_topology_bug(child, parent_phy, child_phy);
 					res = -ENODEV;
 				}
-			} else if (parent_phy->routing_attr == TABLE_ROUTING &&
-				   child_phy->routing_attr != SUBTRACTIVE_ROUTING) {
-				sas_print_parent_topology_bug(child, parent_phy, child_phy);
-				res = -ENODEV;
+			} else if (parent_phy->routing_attr == TABLE_ROUTING) {
+				if (child_phy->routing_attr == SUBTRACTIVE_ROUTING ||
+				    (child_phy->routing_attr == TABLE_ROUTING &&
+				     child_ex->t2t_supp && parent_ex->t2t_supp)) {
+					/* All good */;
+				} else {
+					sas_print_parent_topology_bug(child, parent_phy, child_phy);
+					res = -ENODEV;
+				}
 			}
 			break;
 		case FANOUT_DEV:
@@ -1729,7 +1742,7 @@ out:
 	return res;
 }
 
-static void sas_unregister_ex_tree(struct domain_device *dev)
+static void sas_unregister_ex_tree(struct asd_sas_port *port, struct domain_device *dev)
 {
 	struct expander_device *ex = &dev->ex_dev;
 	struct domain_device *child, *n;
@@ -1738,11 +1751,11 @@ static void sas_unregister_ex_tree(struct domain_device *dev)
 		child->gone = 1;
 		if (child->dev_type == EDGE_DEV ||
 		    child->dev_type == FANOUT_DEV)
-			sas_unregister_ex_tree(child);
+			sas_unregister_ex_tree(port, child);
 		else
-			sas_unregister_dev(child);
+			sas_unregister_dev(port, child);
 	}
-	sas_unregister_dev(dev);
+	sas_unregister_dev(port, dev);
 }
 
 static void sas_unregister_devs_sas_addr(struct domain_device *parent,
@@ -1759,9 +1772,9 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
 				child->gone = 1;
 				if (child->dev_type == EDGE_DEV ||
 				    child->dev_type == FANOUT_DEV)
-					sas_unregister_ex_tree(child);
+					sas_unregister_ex_tree(parent->port, child);
 				else
-					sas_unregister_dev(child);
+					sas_unregister_dev(parent->port, child);
 				break;
 			}
 		}
diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c
index 04ad8dd1a74c..e1aa17840c5b 100644
--- a/drivers/scsi/libsas/sas_host_smp.c
+++ b/drivers/scsi/libsas/sas_host_smp.c
@@ -51,6 +51,91 @@ static void sas_host_smp_discover(struct sas_ha_struct *sas_ha, u8 *resp_data,
 	resp_data[15] = rphy->identify.target_port_protocols;
 }
 
+/**
+ * to_sas_gpio_gp_bit - given the gpio frame data find the byte/bit position of 'od'
+ * @od: od bit to find
+ * @data: incoming bitstream (from frame)
+ * @index: requested data register index (from frame)
+ * @count: total number of registers in the bitstream (from frame)
+ * @bit: bit position of 'od' in the returned byte
+ *
+ * returns NULL if 'od' is not in 'data'
+ *
+ * From SFF-8485 v0.7:
+ * "In GPIO_TX[1], bit 0 of byte 3 contains the first bit (i.e., OD0.0)
+ *  and bit 7 of byte 0 contains the 32nd bit (i.e., OD10.1).
+ *
+ *  In GPIO_TX[2], bit 0 of byte 3 contains the 33rd bit (i.e., OD10.2)
+ *  and bit 7 of byte 0 contains the 64th bit (i.e., OD21.0)."
+ *
+ * The general-purpose (raw-bitstream) RX registers have the same layout
+ * although 'od' is renamed 'id' for 'input data'.
+ *
+ * SFF-8489 defines the behavior of the LEDs in response to the 'od' values.
+ */
+static u8 *to_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count, u8 *bit)
+{
+	unsigned int reg;
+	u8 byte;
+
+	/* gp registers start at index 1 */
+	if (index == 0)
+		return NULL;
+
+	index--; /* make index 0-based */
+	if (od < index * 32)
+		return NULL;
+
+	od -= index * 32;
+	reg = od >> 5;
+
+	if (reg >= count)
+		return NULL;
+
+	od &= (1 << 5) - 1;
+	byte = 3 - (od >> 3);
+	*bit = od & ((1 << 3) - 1);
+
+	return &data[reg * 4 + byte];
+}
+
+int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count)
+{
+	u8 *byte;
+	u8 bit;
+
+	byte = to_sas_gpio_gp_bit(od, data, index, count, &bit);
+	if (!byte)
+		return -1;
+
+	return (*byte >> bit) & 1;
+}
+EXPORT_SYMBOL(try_test_sas_gpio_gp_bit);
+
+static int sas_host_smp_write_gpio(struct sas_ha_struct *sas_ha, u8 *resp_data,
+				   u8 reg_type, u8 reg_index, u8 reg_count,
+				   u8 *req_data)
+{
+	struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt);
+	int written;
+
+	if (i->dft->lldd_write_gpio == NULL) {
+		resp_data[2] = SMP_RESP_FUNC_UNK;
+		return 0;
+	}
+
+	written = i->dft->lldd_write_gpio(sas_ha, reg_type, reg_index,
+					  reg_count, req_data);
+
+	if (written < 0) {
+		resp_data[2] = SMP_RESP_FUNC_FAILED;
+		written = 0;
+	} else
+		resp_data[2] = SMP_RESP_FUNC_ACC;
+
+	return written;
+}
+
 static void sas_report_phy_sata(struct sas_ha_struct *sas_ha, u8 *resp_data,
 				u8 phy_id)
 {
@@ -230,9 +315,23 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
 		/* Can't implement; hosts have no routes */
 		break;
 
-	case SMP_WRITE_GPIO_REG:
-		/* FIXME: need GPIO support in the transport class */
+	case SMP_WRITE_GPIO_REG: {
+		/* SFF-8485 v0.7 */
+		const int base_frame_size = 11;
+		int to_write = req_data[4];
+
+		if (blk_rq_bytes(req) < base_frame_size + to_write * 4 ||
+		    req->resid_len < base_frame_size + to_write * 4) {
+			resp_data[2] = SMP_RESP_INV_FRM_LEN;
+			break;
+		}
+
+		to_write = sas_host_smp_write_gpio(sas_ha, resp_data, req_data[2],
+						   req_data[3], to_write, &req_data[8]);
+		req->resid_len -= base_frame_size + to_write * 4;
+		rsp->resid_len -= 8;
 		break;
+	}
 
 	case SMP_CONF_ROUTE_INFO:
 		/* Can't implement; hosts have no routes */
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index 2dc55343f671..d81c3b1989f7 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -37,7 +37,32 @@
 
 #include "../scsi_sas_internal.h"
 
-struct kmem_cache *sas_task_cache;
+static struct kmem_cache *sas_task_cache;
+
+struct sas_task *sas_alloc_task(gfp_t flags)
+{
+	struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags);
+
+	if (task) {
+		INIT_LIST_HEAD(&task->list);
+		spin_lock_init(&task->task_state_lock);
+		task->task_state_flags = SAS_TASK_STATE_PENDING;
+		init_timer(&task->timer);
+		init_completion(&task->completion);
+	}
+
+	return task;
+}
+EXPORT_SYMBOL_GPL(sas_alloc_task);
+
+void sas_free_task(struct sas_task *task)
+{
+	if (task) {
+		BUG_ON(!list_empty(&task->list));
+		kmem_cache_free(sas_task_cache, task);
+	}
+}
+EXPORT_SYMBOL_GPL(sas_free_task);
 
 /*------------ SAS addr hash -----------*/
 void sas_hash_addr(u8 *hashed, const u8 *sas_addr)
@@ -152,10 +177,15 @@ int sas_unregister_ha(struct sas_ha_struct *sas_ha)
 
 static int sas_get_linkerrors(struct sas_phy *phy)
 {
-	if (scsi_is_sas_phy_local(phy))
-		/* FIXME: we have no local phy stats
-		 * gathering at this time */
-		return -EINVAL;
+	if (scsi_is_sas_phy_local(phy)) {
+		struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
+		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
+		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
+		struct sas_internal *i =
+			to_sas_internal(sas_ha->core.shost->transportt);
+
+		return i->dft->lldd_control_phy(asd_phy, PHY_FUNC_GET_EVENTS, NULL);
+	}
 
 	return sas_smp_get_phy_events(phy);
 }
@@ -293,8 +323,7 @@ EXPORT_SYMBOL_GPL(sas_domain_release_transport);
 
 static int __init sas_class_init(void)
 {
-	sas_task_cache = kmem_cache_create("sas_task", sizeof(struct sas_task),
-					   0, SLAB_HWCACHE_ALIGN, NULL);
+	sas_task_cache = KMEM_CACHE(sas_task, SLAB_HWCACHE_ALIGN);
 	if (!sas_task_cache)
 		return -ENOMEM;
 
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index eeba76cdf774..b2c4a7731656 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -182,79 +182,56 @@ int sas_queue_up(struct sas_task *task)
 	return 0;
 }
 
-/**
- * sas_queuecommand -- Enqueue a command for processing
- * @parameters: See SCSI Core documentation
- *
- * Note: XXX: Remove the host unlock/lock pair when SCSI Core can
- * call us without holding an IRQ spinlock...
- */
-static int sas_queuecommand_lck(struct scsi_cmnd *cmd,
-		     void (*scsi_done)(struct scsi_cmnd *))
-	__releases(host->host_lock)
-	__acquires(dev->sata_dev.ap->lock)
-	__releases(dev->sata_dev.ap->lock)
-	__acquires(host->host_lock)
+int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 {
-	int res = 0;
-	struct domain_device *dev = cmd_to_domain_dev(cmd);
-	struct Scsi_Host *host = cmd->device->host;
 	struct sas_internal *i = to_sas_internal(host->transportt);
+	struct domain_device *dev = cmd_to_domain_dev(cmd);
+	struct sas_ha_struct *sas_ha = dev->port->ha;
+	struct sas_task *task;
+	int res = 0;
 
-	spin_unlock_irq(host->host_lock);
+	/* If the device fell off, no sense in issuing commands */
+	if (dev->gone) {
+		cmd->result = DID_BAD_TARGET << 16;
+		goto out_done;
+	}
 
-	{
-		struct sas_ha_struct *sas_ha = dev->port->ha;
-		struct sas_task *task;
-
-		/* If the device fell off, no sense in issuing commands */
-		if (dev->gone) {
-			cmd->result = DID_BAD_TARGET << 16;
-			scsi_done(cmd);
-			goto out;
-		}
+	if (dev_is_sata(dev)) {
+		unsigned long flags;
 
-		if (dev_is_sata(dev)) {
-			unsigned long flags;
+		spin_lock_irqsave(dev->sata_dev.ap->lock, flags);
+		res = ata_sas_queuecmd(cmd, dev->sata_dev.ap);
+		spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags);
+		return res;
+	}
 
-			spin_lock_irqsave(dev->sata_dev.ap->lock, flags);
-			res = ata_sas_queuecmd(cmd, dev->sata_dev.ap);
-			spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags);
-			goto out;
-		}
+	task = sas_create_task(cmd, dev, GFP_ATOMIC);
+	if (!task)
+		return SCSI_MLQUEUE_HOST_BUSY;
 
-		res = -ENOMEM;
-		task = sas_create_task(cmd, dev, GFP_ATOMIC);
-		if (!task)
-			goto out;
+	/* Queue up, Direct Mode or Task Collector Mode. */
+	if (sas_ha->lldd_max_execute_num < 2)
+		res = i->dft->lldd_execute_task(task, 1, GFP_ATOMIC);
+	else
+		res = sas_queue_up(task);
 
-		cmd->scsi_done = scsi_done;
-		/* Queue up, Direct Mode or Task Collector Mode. */
-		if (sas_ha->lldd_max_execute_num < 2)
-			res = i->dft->lldd_execute_task(task, 1, GFP_ATOMIC);
-		else
-			res = sas_queue_up(task);
+	if (res)
+		goto out_free_task;
+	return 0;
 
-		/* Examine */
-		if (res) {
-			SAS_DPRINTK("lldd_execute_task returned: %d\n", res);
-			ASSIGN_SAS_TASK(cmd, NULL);
-			sas_free_task(task);
-			if (res == -SAS_QUEUE_FULL) {
-				cmd->result = DID_SOFT_ERROR << 16; /* retry */
-				res = 0;
-				scsi_done(cmd);
-			}
-			goto out;
-		}
-	}
-out:
-	spin_lock_irq(host->host_lock);
-	return res;
+out_free_task:
+	SAS_DPRINTK("lldd_execute_task returned: %d\n", res);
+	ASSIGN_SAS_TASK(cmd, NULL);
+	sas_free_task(task);
+	if (res == -SAS_QUEUE_FULL)
+		cmd->result = DID_SOFT_ERROR << 16; /* retry */
+	else
+		cmd->result = DID_ERROR << 16;
+out_done:
+	cmd->scsi_done(cmd);
+	return 0;
 }
 
-DEF_SCSI_QCMD(sas_queuecommand)
-
 static void sas_eh_finish_cmd(struct scsi_cmnd *cmd)
 {
 	struct sas_task *task = TO_SAS_TASK(cmd);
@@ -784,8 +761,7 @@ int sas_target_alloc(struct scsi_target *starget)
 	return 0;
 }
 
-#define SAS_DEF_QD 32
-#define SAS_MAX_QD 64
+#define SAS_DEF_QD 256
 
 int sas_slave_configure(struct scsi_device *scsi_dev)
 {
@@ -825,34 +801,41 @@ void sas_slave_destroy(struct scsi_device *scsi_dev)
 	struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
 
 	if (dev_is_sata(dev))
-		dev->sata_dev.ap->link.device[0].class = ATA_DEV_NONE;
+		sas_to_ata_dev(dev)->class = ATA_DEV_NONE;
 }
 
-int sas_change_queue_depth(struct scsi_device *scsi_dev, int new_depth,
-			   int reason)
+int sas_change_queue_depth(struct scsi_device *sdev, int depth, int reason)
 {
-	int res = min(new_depth, SAS_MAX_QD);
+	struct domain_device *dev = sdev_to_domain_dev(sdev);
 
-	if (reason != SCSI_QDEPTH_DEFAULT)
+	if (dev_is_sata(dev))
+		return __ata_change_queue_depth(dev->sata_dev.ap, sdev, depth,
+						reason);
+
+	switch (reason) {
+	case SCSI_QDEPTH_DEFAULT:
+	case SCSI_QDEPTH_RAMP_UP:
+		if (!sdev->tagged_supported)
+			depth = 1;
+		scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
+		break;
+	case SCSI_QDEPTH_QFULL:
+		scsi_track_queue_full(sdev, depth);
+		break;
+	default:
 		return -EOPNOTSUPP;
-
-	if (scsi_dev->tagged_supported)
-		scsi_adjust_queue_depth(scsi_dev, scsi_get_tag_type(scsi_dev),
-					res);
-	else {
-		struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
-		sas_printk("device %llx LUN %x queue depth changed to 1\n",
-			   SAS_ADDR(dev->sas_addr),
-			   scsi_dev->lun);
-		scsi_adjust_queue_depth(scsi_dev, 0, 1);
-		res = 1;
 	}
 
-	return res;
+	return depth;
 }
 
 int sas_change_queue_type(struct scsi_device *scsi_dev, int qt)
 {
+	struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
+
+	if (dev_is_sata(dev))
+		return -EINVAL;
+
 	if (!scsi_dev->tagged_supported)
 		return 0;
 
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index c088a36d1f33..bb4c8e0584e2 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -846,8 +846,24 @@ struct lpfc_hba {
 	struct dentry *debug_hbqinfo;
 	struct dentry *debug_dumpHostSlim;
 	struct dentry *debug_dumpHBASlim;
-	struct dentry *debug_dumpData;   /* BlockGuard BPL*/
-	struct dentry *debug_dumpDif;    /* BlockGuard BPL*/
+	struct dentry *debug_dumpData;   /* BlockGuard BPL */
+	struct dentry *debug_dumpDif;    /* BlockGuard BPL */
+	struct dentry *debug_InjErrLBA;  /* LBA to inject errors at */
+	struct dentry *debug_writeGuard; /* inject write guard_tag errors */
+	struct dentry *debug_writeApp;   /* inject write app_tag errors */
+	struct dentry *debug_writeRef;   /* inject write ref_tag errors */
+	struct dentry *debug_readApp;    /* inject read app_tag errors */
+	struct dentry *debug_readRef;    /* inject read ref_tag errors */
+
+	/* T10 DIF error injection */
+	uint32_t lpfc_injerr_wgrd_cnt;
+	uint32_t lpfc_injerr_wapp_cnt;
+	uint32_t lpfc_injerr_wref_cnt;
+	uint32_t lpfc_injerr_rapp_cnt;
+	uint32_t lpfc_injerr_rref_cnt;
+	sector_t lpfc_injerr_lba;
+#define LPFC_INJERR_LBA_OFF	(sector_t)0xffffffffffffffff
+
 	struct dentry *debug_slow_ring_trc;
 	struct lpfc_debugfs_trc *slow_ring_trc;
 	atomic_t slow_ring_trc_cnt;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2542f1f8bf86..4b0333ee2d94 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -52,6 +52,13 @@
 #define LPFC_MIN_DEVLOSS_TMO 1
 #define LPFC_MAX_DEVLOSS_TMO 255
 
+/*
+ * Write key size should be multiple of 4. If write key is changed
+ * make sure that library write key is also changed.
+ */
+#define LPFC_REG_WRITE_KEY_SIZE	4
+#define LPFC_REG_WRITE_KEY	"EMLX"
+
 /**
  * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
  * @incr: integer to convert.
@@ -693,7 +700,7 @@ lpfc_selective_reset(struct lpfc_hba *phba)
 	int rc;
 
 	if (!phba->cfg_enable_hba_reset)
-		return -EIO;
+		return -EACCES;
 
 	status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
 
@@ -742,9 +749,11 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
 	struct Scsi_Host  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
-
 	int status = -EINVAL;
 
+	if (!phba->cfg_enable_hba_reset)
+		return -EACCES;
+
 	if (strncmp(buf, "selective", sizeof("selective") - 1) == 0)
 		status = phba->lpfc_selective_reset(phba);
 
@@ -765,16 +774,21 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
  * Returns:
  * zero for success
  **/
-static int
+int
 lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba)
 {
-	struct lpfc_register portstat_reg;
+	struct lpfc_register portstat_reg = {0};
 	int i;
 
-
+	msleep(100);
 	lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
 		   &portstat_reg.word0);
 
+	/* verify if privilaged for the request operation */
+	if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) &&
+	    !bf_get(lpfc_sliport_status_err, &portstat_reg))
+		return -EPERM;
+
 	/* wait for the SLI port firmware ready after firmware reset */
 	for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) {
 		msleep(10);
@@ -816,16 +830,13 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
 	int rc;
 
 	if (!phba->cfg_enable_hba_reset)
-		return -EIO;
+		return -EACCES;
 
 	if ((phba->sli_rev < LPFC_SLI_REV4) ||
 	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
 	     LPFC_SLI_INTF_IF_TYPE_2))
 		return -EPERM;
 
-	if (!pdev->is_physfn)
-		return -EPERM;
-
 	/* Disable SR-IOV virtual functions if enabled */
 	if (phba->cfg_sriov_nr_virtfn) {
 		pci_disable_sriov(pdev);
@@ -858,7 +869,7 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
 	rc = lpfc_sli4_pdev_status_reg_wait(phba);
 
 	if (rc)
-		return -EIO;
+		return rc;
 
 	init_completion(&online_compl);
 	rc = lpfc_workq_post_event(phba, &status, &online_compl,
@@ -984,7 +995,7 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
 	if (!status)
 		return strlen(buf);
 	else
-		return -EIO;
+		return status;
 }
 
 /**
@@ -3885,18 +3896,23 @@ sysfs_ctlreg_write(struct file *filp, struct kobject *kobj,
 	if ((off + count) > FF_REG_AREA_SIZE)
 		return -ERANGE;
 
-	if (count == 0) return 0;
+	if (count <= LPFC_REG_WRITE_KEY_SIZE)
+		return 0;
 
 	if (off % 4 || count % 4 || (unsigned long)buf % 4)
 		return -EINVAL;
 
-	if (!(vport->fc_flag & FC_OFFLINE_MODE)) {
+	/* This is to protect HBA registers from accidental writes. */
+	if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE))
+		return -EINVAL;
+
+	if (!(vport->fc_flag & FC_OFFLINE_MODE))
 		return -EPERM;
-	}
 
 	spin_lock_irq(&phba->hbalock);
-	for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t))
-		writel(*((uint32_t *)(buf + buf_off)),
+	for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE;
+			buf_off += sizeof(uint32_t))
+		writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)),
 		       phba->ctrl_regs_memmap_p + off + buf_off);
 
 	spin_unlock_irq(&phba->hbalock);
@@ -4097,8 +4113,10 @@ sysfs_mbox_read(struct file *filp, struct kobject *kobj,
 	struct Scsi_Host  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
 	struct lpfc_hba   *phba = vport->phba;
-	int rc;
+	LPFC_MBOXQ_t *mboxq;
 	MAILBOX_t *pmb;
+	uint32_t mbox_tmo;
+	int rc;
 
 	if (off > MAILBOX_CMD_SIZE)
 		return -ERANGE;
@@ -4123,7 +4141,8 @@ sysfs_mbox_read(struct file *filp, struct kobject *kobj,
 	if (off == 0 &&
 	    phba->sysfs_mbox.state  == SMBOX_WRITING &&
 	    phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) {
-		pmb = &phba->sysfs_mbox.mbox->u.mb;
+		mboxq = (LPFC_MBOXQ_t *)&phba->sysfs_mbox.mbox;
+		pmb = &mboxq->u.mb;
 		switch (pmb->mbxCommand) {
 			/* Offline only */
 		case MBX_INIT_LINK:
@@ -4233,9 +4252,8 @@ sysfs_mbox_read(struct file *filp, struct kobject *kobj,
 
 		} else {
 			spin_unlock_irq(&phba->hbalock);
-			rc = lpfc_sli_issue_mbox_wait (phba,
-						       phba->sysfs_mbox.mbox,
-				lpfc_mbox_tmo_val(phba, pmb->mbxCommand) * HZ);
+			mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
+			rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
 			spin_lock_irq(&phba->hbalock);
 		}
 
@@ -4480,9 +4498,10 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost)
 
 	spin_lock_irq(shost->host_lock);
 
-	if ((vport->fc_flag & FC_FABRIC) ||
-	    ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
-	     (vport->fc_flag & FC_PUBLIC_LOOP)))
+	if ((vport->port_state > LPFC_FLOGI) &&
+	    ((vport->fc_flag & FC_FABRIC) ||
+	     ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
+	      (vport->fc_flag & FC_PUBLIC_LOOP))))
 		node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn);
 	else
 		/* fabric is local port if there is no F/FL_Port */
@@ -4555,9 +4574,17 @@ lpfc_get_stats(struct Scsi_Host *shost)
 	memset(hs, 0, sizeof (struct fc_host_statistics));
 
 	hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
-	hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
+	/*
+	 * The MBX_READ_STATUS returns tx_k_bytes which has to
+	 * converted to words
+	 */
+	hs->tx_words = (uint64_t)
+			((uint64_t)pmb->un.varRdStatus.xmitByteCnt
+			* (uint64_t)256);
 	hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
-	hs->rx_words = (pmb->un.varRdStatus.rcvByteCnt * 256);
+	hs->rx_words = (uint64_t)
+			((uint64_t)pmb->un.varRdStatus.rcvByteCnt
+			 * (uint64_t)256);
 
 	memset(pmboxq, 0, sizeof (LPFC_MBOXQ_t));
 	pmb->mbxCommand = MBX_READ_LNK_STAT;
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index a6db6aef1331..60f95347babf 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -209,7 +209,7 @@ void __lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbox_cmpl_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_mbox_cmd_check(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_mbox_dev_check(struct lpfc_hba *);
-int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
+int lpfc_mbox_tmo_val(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_init_vfi(struct lpfcMboxq *, struct lpfc_vport *);
 void lpfc_reg_vfi(struct lpfcMboxq *, struct lpfc_vport *, dma_addr_t);
 void lpfc_init_vpi(struct lpfc_hba *, struct lpfcMboxq *, uint16_t);
@@ -451,3 +451,5 @@ int lpfc_wr_object(struct lpfc_hba *, struct list_head *, uint32_t, uint32_t *);
 /* functions to support SR-IOV */
 int lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *, int);
 uint16_t lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *);
+int lpfc_sli4_queue_create(struct lpfc_hba *);
+void lpfc_sli4_queue_destroy(struct lpfc_hba *);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 779b88e1469d..707081d0a226 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -1856,6 +1856,9 @@ lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
 		case 2:
 			c = 'B';
 			break;
+		case 3:
+			c = 'X';
+			break;
 		default:
 			c = 0;
 			break;
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index a0424dd90e40..2cd844f7058f 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -996,6 +996,85 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
 	return nbytes;
 }
 
+static int
+lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+	return 0;
+}
+
+static ssize_t
+lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
+	size_t nbytes, loff_t *ppos)
+{
+	struct dentry *dent = file->f_dentry;
+	struct lpfc_hba *phba = file->private_data;
+	char cbuf[16];
+	int cnt = 0;
+
+	if (dent == phba->debug_writeGuard)
+		cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wgrd_cnt);
+	else if (dent == phba->debug_writeApp)
+		cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt);
+	else if (dent == phba->debug_writeRef)
+		cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt);
+	else if (dent == phba->debug_readApp)
+		cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt);
+	else if (dent == phba->debug_readRef)
+		cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rref_cnt);
+	else if (dent == phba->debug_InjErrLBA)
+		cnt = snprintf(cbuf, 16, "0x%lx\n",
+				 (unsigned long) phba->lpfc_injerr_lba);
+	else
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			 "0547 Unknown debugfs error injection entry\n");
+
+	return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
+}
+
+static ssize_t
+lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
+	size_t nbytes, loff_t *ppos)
+{
+	struct dentry *dent = file->f_dentry;
+	struct lpfc_hba *phba = file->private_data;
+	char dstbuf[32];
+	unsigned long tmp;
+	int size;
+
+	memset(dstbuf, 0, 32);
+	size = (nbytes < 32) ? nbytes : 32;
+	if (copy_from_user(dstbuf, buf, size))
+		return 0;
+
+	if (strict_strtoul(dstbuf, 0, &tmp))
+		return 0;
+
+	if (dent == phba->debug_writeGuard)
+		phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
+	else if (dent == phba->debug_writeApp)
+		phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
+	else if (dent == phba->debug_writeRef)
+		phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
+	else if (dent == phba->debug_readApp)
+		phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
+	else if (dent == phba->debug_readRef)
+		phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
+	else if (dent == phba->debug_InjErrLBA)
+		phba->lpfc_injerr_lba = (sector_t)tmp;
+	else
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			 "0548 Unknown debugfs error injection entry\n");
+
+	return nbytes;
+}
+
+static int
+lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
+{
+	return 0;
+}
+
 /**
  * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
  * @inode: The inode pointer that contains a vport pointer.
@@ -3380,6 +3459,16 @@ static const struct file_operations lpfc_debugfs_op_dumpDif = {
 	.release =      lpfc_debugfs_dumpDataDif_release,
 };
 
+#undef lpfc_debugfs_op_dif_err
+static const struct file_operations lpfc_debugfs_op_dif_err = {
+	.owner =	THIS_MODULE,
+	.open =		lpfc_debugfs_dif_err_open,
+	.llseek =	lpfc_debugfs_lseek,
+	.read =		lpfc_debugfs_dif_err_read,
+	.write =	lpfc_debugfs_dif_err_write,
+	.release =	lpfc_debugfs_dif_err_release,
+};
+
 #undef lpfc_debugfs_op_slow_ring_trc
 static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
 	.owner =        THIS_MODULE,
@@ -3788,6 +3877,74 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 			goto debug_failed;
 		}
 
+		/* Setup DIF Error Injections */
+		snprintf(name, sizeof(name), "InjErrLBA");
+		phba->debug_InjErrLBA =
+			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
+			phba->hba_debugfs_root,
+			phba, &lpfc_debugfs_op_dif_err);
+		if (!phba->debug_InjErrLBA) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"0807 Cannot create debugfs InjErrLBA\n");
+			goto debug_failed;
+		}
+		phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+
+		snprintf(name, sizeof(name), "writeGuardInjErr");
+		phba->debug_writeGuard =
+			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
+			phba->hba_debugfs_root,
+			phba, &lpfc_debugfs_op_dif_err);
+		if (!phba->debug_writeGuard) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"0802 Cannot create debugfs writeGuard\n");
+			goto debug_failed;
+		}
+
+		snprintf(name, sizeof(name), "writeAppInjErr");
+		phba->debug_writeApp =
+			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
+			phba->hba_debugfs_root,
+			phba, &lpfc_debugfs_op_dif_err);
+		if (!phba->debug_writeApp) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"0803 Cannot create debugfs writeApp\n");
+			goto debug_failed;
+		}
+
+		snprintf(name, sizeof(name), "writeRefInjErr");
+		phba->debug_writeRef =
+			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
+			phba->hba_debugfs_root,
+			phba, &lpfc_debugfs_op_dif_err);
+		if (!phba->debug_writeRef) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"0804 Cannot create debugfs writeRef\n");
+			goto debug_failed;
+		}
+
+		snprintf(name, sizeof(name), "readAppInjErr");
+		phba->debug_readApp =
+			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
+			phba->hba_debugfs_root,
+			phba, &lpfc_debugfs_op_dif_err);
+		if (!phba->debug_readApp) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"0805 Cannot create debugfs readApp\n");
+			goto debug_failed;
+		}
+
+		snprintf(name, sizeof(name), "readRefInjErr");
+		phba->debug_readRef =
+			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
+			phba->hba_debugfs_root,
+			phba, &lpfc_debugfs_op_dif_err);
+		if (!phba->debug_readRef) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
+				"0806 Cannot create debugfs readApp\n");
+			goto debug_failed;
+		}
+
 		/* Setup slow ring trace */
 		if (lpfc_debugfs_max_slow_ring_trc) {
 			num = lpfc_debugfs_max_slow_ring_trc - 1;
@@ -4090,6 +4247,30 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport)
 			debugfs_remove(phba->debug_dumpDif); /* dumpDif */
 			phba->debug_dumpDif = NULL;
 		}
+		if (phba->debug_InjErrLBA) {
+			debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
+			phba->debug_InjErrLBA = NULL;
+		}
+		if (phba->debug_writeGuard) {
+			debugfs_remove(phba->debug_writeGuard); /* writeGuard */
+			phba->debug_writeGuard = NULL;
+		}
+		if (phba->debug_writeApp) {
+			debugfs_remove(phba->debug_writeApp); /* writeApp */
+			phba->debug_writeApp = NULL;
+		}
+		if (phba->debug_writeRef) {
+			debugfs_remove(phba->debug_writeRef); /* writeRef */
+			phba->debug_writeRef = NULL;
+		}
+		if (phba->debug_readApp) {
+			debugfs_remove(phba->debug_readApp); /* readApp */
+			phba->debug_readApp = NULL;
+		}
+		if (phba->debug_readRef) {
+			debugfs_remove(phba->debug_readRef); /* readRef */
+			phba->debug_readRef = NULL;
+		}
 
 		if (phba->slow_ring_trc) {
 			kfree(phba->slow_ring_trc);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 023da0e00d38..445826a4c981 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3386,7 +3386,14 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			cmdiocb->context1 = NULL;
 		}
 	}
+
+	/*
+	 * The driver received a LOGO from the rport and has ACK'd it.
+	 * At this point, the driver is done so release the IOCB and
+	 * remove the ndlp reference.
+	 */
 	lpfc_els_free_iocb(phba, cmdiocb);
+	lpfc_nlp_put(ndlp);
 	return;
 }
 
@@ -4082,9 +4089,6 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
 
 	phba->fc_stat.elsXmitACC++;
 	elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
-	lpfc_nlp_put(ndlp);
-	elsiocb->context1 = NULL;  /* Don't need ndlp for cmpl,
-				    * it could be freed */
 
 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
 	if (rc == IOCB_ERROR) {
@@ -4166,6 +4170,11 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data,
 	psli = &phba->sli;
 	cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len;
 
+	/* The accumulated length can exceed the BPL_SIZE.  For
+	 * now, use this as the limit
+	 */
+	if (cmdsize > LPFC_BPL_SIZE)
+		cmdsize = LPFC_BPL_SIZE;
 	elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
 				     ndlp->nlp_DID, ELS_CMD_ACC);
 	if (!elsiocb)
@@ -4189,9 +4198,6 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data,
 
 	phba->fc_stat.elsXmitACC++;
 	elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
-	lpfc_nlp_put(ndlp);
-	elsiocb->context1 = NULL;  /* Don't need ndlp for cmpl,
-				    * it could be freed */
 
 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
 	if (rc == IOCB_ERROR) {
@@ -7258,16 +7264,11 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	icmd->un.elsreq64.myID = 0;
 	icmd->un.elsreq64.fl = 1;
 
-	if  ((phba->sli_rev == LPFC_SLI_REV4) &&
-	     (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
-	      LPFC_SLI_INTF_IF_TYPE_0)) {
-		/* FDISC needs to be 1 for WQE VPI */
-		elsiocb->iocb.ulpCt_h = (SLI4_CT_VPI >> 1) & 1;
-		elsiocb->iocb.ulpCt_l = SLI4_CT_VPI & 1 ;
-		/* Set the ulpContext to the vpi */
-		elsiocb->iocb.ulpContext = phba->vpi_ids[vport->vpi];
-	} else {
-		/* For FDISC, Let FDISC rsp set the NPortID for this VPI */
+	/*
+	 * SLI3 ports require a different context type value than SLI4.
+	 * Catch SLI3 ports here and override the prep.
+	 */
+	if (phba->sli_rev == LPFC_SLI_REV3) {
 		icmd->ulpCt_h = 1;
 		icmd->ulpCt_l = 0;
 	}
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 0b47adf9fee8..091f68e5cb70 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1412,7 +1412,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
 		if (phba->pport->port_state != LPFC_FLOGI) {
 			phba->hba_flag |= FCF_RR_INPROG;
 			spin_unlock_irq(&phba->hbalock);
-			lpfc_issue_init_vfi(phba->pport);
+			lpfc_initial_flogi(phba->pport);
 			return;
 		}
 		spin_unlock_irq(&phba->hbalock);
@@ -2646,7 +2646,9 @@ lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
 	struct lpfc_vport *vport = mboxq->vport;
 
-	if (mboxq->u.mb.mbxStatus && (mboxq->u.mb.mbxStatus != 0x4002)) {
+	/* VFI not supported on interface type 0, just do the flogi */
+	if (mboxq->u.mb.mbxStatus && (bf_get(lpfc_sli_intf_if_type,
+	    &phba->sli4_hba.sli_intf) != LPFC_SLI_INTF_IF_TYPE_0)) {
 		lpfc_printf_vlog(vport, KERN_ERR,
 				LOG_MBOX,
 				"2891 Init VFI mailbox failed 0x%x\n",
@@ -2655,6 +2657,7 @@ lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 		return;
 	}
+
 	lpfc_initial_flogi(vport);
 	mempool_free(mboxq, phba->mbox_mem_pool);
 	return;
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 7f8003b5181e..98d21521f539 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -41,6 +41,8 @@
  * Or clear that bit field:
  *	bf_set(example_bit_field, &t1, 0);
  */
+#define bf_get_be32(name, ptr) \
+	((be32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
 #define bf_get_le32(name, ptr) \
 	((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
 #define bf_get(name, ptr) \
@@ -678,7 +680,6 @@ struct lpfc_register {
 #define lpfc_rq_doorbell_num_posted_SHIFT	16
 #define lpfc_rq_doorbell_num_posted_MASK	0x3FFF
 #define lpfc_rq_doorbell_num_posted_WORD	word0
-#define LPFC_RQ_POST_BATCH		8	/* RQEs to post at one time */
 #define lpfc_rq_doorbell_id_SHIFT		0
 #define lpfc_rq_doorbell_id_MASK		0xFFFF
 #define lpfc_rq_doorbell_id_WORD		word0
@@ -784,6 +785,8 @@ union lpfc_sli4_cfg_shdr {
 #define LPFC_Q_CREATE_VERSION_2	2
 #define LPFC_Q_CREATE_VERSION_1	1
 #define LPFC_Q_CREATE_VERSION_0	0
+#define LPFC_OPCODE_VERSION_0	0
+#define LPFC_OPCODE_VERSION_1	1
 	} request;
 	struct {
 		uint32_t word6;
@@ -825,6 +828,7 @@ struct mbox_header {
 #define LPFC_EXTENT_VERSION_DEFAULT	0
 
 /* Subsystem Definitions */
+#define LPFC_MBOX_SUBSYSTEM_NA		0x0
 #define LPFC_MBOX_SUBSYSTEM_COMMON	0x1
 #define LPFC_MBOX_SUBSYSTEM_FCOE	0xC
 
@@ -835,25 +839,34 @@ struct mbox_header {
 #define HOST_ENDIAN_HIGH_WORD1	0xFF7856FF
 
 /* Common Opcodes */
-#define LPFC_MBOX_OPCODE_CQ_CREATE		0x0C
-#define LPFC_MBOX_OPCODE_EQ_CREATE		0x0D
-#define LPFC_MBOX_OPCODE_MQ_CREATE		0x15
-#define LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES	0x20
-#define LPFC_MBOX_OPCODE_NOP			0x21
-#define LPFC_MBOX_OPCODE_MQ_DESTROY		0x35
-#define LPFC_MBOX_OPCODE_CQ_DESTROY		0x36
-#define LPFC_MBOX_OPCODE_EQ_DESTROY		0x37
-#define LPFC_MBOX_OPCODE_QUERY_FW_CFG		0x3A
-#define LPFC_MBOX_OPCODE_FUNCTION_RESET		0x3D
-#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT		0x5A
-#define LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO	0x9A
-#define LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT	0x9B
-#define LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT	0x9C
-#define LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT	0x9D
-#define LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG    0xA0
-#define LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG	0xA4
-#define LPFC_MBOX_OPCODE_WRITE_OBJECT		0xAC
-#define LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS	0xB5
+#define LPFC_MBOX_OPCODE_NA				0x00
+#define LPFC_MBOX_OPCODE_CQ_CREATE			0x0C
+#define LPFC_MBOX_OPCODE_EQ_CREATE			0x0D
+#define LPFC_MBOX_OPCODE_MQ_CREATE			0x15
+#define LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES		0x20
+#define LPFC_MBOX_OPCODE_NOP				0x21
+#define LPFC_MBOX_OPCODE_MQ_DESTROY			0x35
+#define LPFC_MBOX_OPCODE_CQ_DESTROY			0x36
+#define LPFC_MBOX_OPCODE_EQ_DESTROY			0x37
+#define LPFC_MBOX_OPCODE_QUERY_FW_CFG			0x3A
+#define LPFC_MBOX_OPCODE_FUNCTION_RESET			0x3D
+#define LPFC_MBOX_OPCODE_GET_PORT_NAME			0x4D
+#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT			0x5A
+#define LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO		0x9A
+#define LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT		0x9B
+#define LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT		0x9C
+#define LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT		0x9D
+#define LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG		0xA0
+#define LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG		0xA4
+#define LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG		0xA5
+#define LPFC_MBOX_OPCODE_GET_PROFILE_LIST		0xA6
+#define LPFC_MBOX_OPCODE_SET_ACT_PROFILE		0xA8
+#define LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG	0xA9
+#define LPFC_MBOX_OPCODE_READ_OBJECT			0xAB
+#define LPFC_MBOX_OPCODE_WRITE_OBJECT			0xAC
+#define LPFC_MBOX_OPCODE_READ_OBJECT_LIST		0xAD
+#define LPFC_MBOX_OPCODE_DELETE_OBJECT			0xAE
+#define LPFC_MBOX_OPCODE_GET_SLI4_PARAMETERS		0xB5
 
 /* FCoE Opcodes */
 #define LPFC_MBOX_OPCODE_FCOE_WQ_CREATE			0x01
@@ -867,6 +880,7 @@ struct mbox_header {
 #define LPFC_MBOX_OPCODE_FCOE_DELETE_FCF		0x0A
 #define LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE		0x0B
 #define LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF		0x10
+#define LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS	0x21
 #define LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE		0x22
 #define LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_LOOPBACK	0x23
 
@@ -1470,16 +1484,81 @@ struct sli4_sge {	/* SLI-4 */
 	uint32_t addr_lo;
 
 	uint32_t word2;
-#define lpfc_sli4_sge_offset_SHIFT	0 /* Offset of buffer - Not used*/
-#define lpfc_sli4_sge_offset_MASK	0x1FFFFFFF
+#define lpfc_sli4_sge_offset_SHIFT	0
+#define lpfc_sli4_sge_offset_MASK	0x07FFFFFF
 #define lpfc_sli4_sge_offset_WORD	word2
-#define lpfc_sli4_sge_last_SHIFT	31 /* Last SEG in the SGL sets
-						this  flag !! */
+#define lpfc_sli4_sge_type_SHIFT	27
+#define lpfc_sli4_sge_type_MASK		0x0000000F
+#define lpfc_sli4_sge_type_WORD		word2
+#define LPFC_SGE_TYPE_DATA		0x0
+#define LPFC_SGE_TYPE_DIF		0x4
+#define LPFC_SGE_TYPE_LSP		0x5
+#define LPFC_SGE_TYPE_PEDIF		0x6
+#define LPFC_SGE_TYPE_PESEED		0x7
+#define LPFC_SGE_TYPE_DISEED		0x8
+#define LPFC_SGE_TYPE_ENC		0x9
+#define LPFC_SGE_TYPE_ATM		0xA
+#define LPFC_SGE_TYPE_SKIP		0xC
+#define lpfc_sli4_sge_last_SHIFT	31 /* Last SEG in the SGL sets it */
 #define lpfc_sli4_sge_last_MASK		0x00000001
 #define lpfc_sli4_sge_last_WORD		word2
 	uint32_t sge_len;
 };
 
+struct sli4_sge_diseed {	/* SLI-4 */
+	uint32_t ref_tag;
+	uint32_t ref_tag_tran;
+
+	uint32_t word2;
+#define lpfc_sli4_sge_dif_apptran_SHIFT	0
+#define lpfc_sli4_sge_dif_apptran_MASK	0x0000FFFF
+#define lpfc_sli4_sge_dif_apptran_WORD	word2
+#define lpfc_sli4_sge_dif_af_SHIFT	24
+#define lpfc_sli4_sge_dif_af_MASK	0x00000001
+#define lpfc_sli4_sge_dif_af_WORD	word2
+#define lpfc_sli4_sge_dif_na_SHIFT	25
+#define lpfc_sli4_sge_dif_na_MASK	0x00000001
+#define lpfc_sli4_sge_dif_na_WORD	word2
+#define lpfc_sli4_sge_dif_hi_SHIFT	26
+#define lpfc_sli4_sge_dif_hi_MASK	0x00000001
+#define lpfc_sli4_sge_dif_hi_WORD	word2
+#define lpfc_sli4_sge_dif_type_SHIFT	27
+#define lpfc_sli4_sge_dif_type_MASK	0x0000000F
+#define lpfc_sli4_sge_dif_type_WORD	word2
+#define lpfc_sli4_sge_dif_last_SHIFT	31 /* Last SEG in the SGL sets it */
+#define lpfc_sli4_sge_dif_last_MASK	0x00000001
+#define lpfc_sli4_sge_dif_last_WORD	word2
+	uint32_t word3;
+#define lpfc_sli4_sge_dif_apptag_SHIFT	0
+#define lpfc_sli4_sge_dif_apptag_MASK	0x0000FFFF
+#define lpfc_sli4_sge_dif_apptag_WORD	word3
+#define lpfc_sli4_sge_dif_bs_SHIFT	16
+#define lpfc_sli4_sge_dif_bs_MASK	0x00000007
+#define lpfc_sli4_sge_dif_bs_WORD	word3
+#define lpfc_sli4_sge_dif_ai_SHIFT	19
+#define lpfc_sli4_sge_dif_ai_MASK	0x00000001
+#define lpfc_sli4_sge_dif_ai_WORD	word3
+#define lpfc_sli4_sge_dif_me_SHIFT	20
+#define lpfc_sli4_sge_dif_me_MASK	0x00000001
+#define lpfc_sli4_sge_dif_me_WORD	word3
+#define lpfc_sli4_sge_dif_re_SHIFT	21
+#define lpfc_sli4_sge_dif_re_MASK	0x00000001
+#define lpfc_sli4_sge_dif_re_WORD	word3
+#define lpfc_sli4_sge_dif_ce_SHIFT	22
+#define lpfc_sli4_sge_dif_ce_MASK	0x00000001
+#define lpfc_sli4_sge_dif_ce_WORD	word3
+#define lpfc_sli4_sge_dif_nr_SHIFT	23
+#define lpfc_sli4_sge_dif_nr_MASK	0x00000001
+#define lpfc_sli4_sge_dif_nr_WORD	word3
+#define lpfc_sli4_sge_dif_oprx_SHIFT	24
+#define lpfc_sli4_sge_dif_oprx_MASK	0x0000000F
+#define lpfc_sli4_sge_dif_oprx_WORD	word3
+#define lpfc_sli4_sge_dif_optx_SHIFT	28
+#define lpfc_sli4_sge_dif_optx_MASK	0x0000000F
+#define lpfc_sli4_sge_dif_optx_WORD	word3
+/* optx and oprx use BG_OP_IN defines in lpfc_hw.h */
+};
+
 struct fcf_record {
 	uint32_t max_rcv_size;
 	uint32_t fka_adv_period;
@@ -2019,6 +2098,15 @@ struct lpfc_mbx_read_config {
 #define lpfc_mbx_rd_conf_extnts_inuse_MASK	0x00000001
 #define lpfc_mbx_rd_conf_extnts_inuse_WORD	word1
 	uint32_t word2;
+#define lpfc_mbx_rd_conf_lnk_numb_SHIFT		0
+#define lpfc_mbx_rd_conf_lnk_numb_MASK		0x0000003F
+#define lpfc_mbx_rd_conf_lnk_numb_WORD		word2
+#define lpfc_mbx_rd_conf_lnk_type_SHIFT		6
+#define lpfc_mbx_rd_conf_lnk_type_MASK		0x00000003
+#define lpfc_mbx_rd_conf_lnk_type_WORD		word2
+#define lpfc_mbx_rd_conf_lnk_ldv_SHIFT		8
+#define lpfc_mbx_rd_conf_lnk_ldv_MASK		0x00000001
+#define lpfc_mbx_rd_conf_lnk_ldv_WORD		word2
 #define lpfc_mbx_rd_conf_topology_SHIFT		24
 #define lpfc_mbx_rd_conf_topology_MASK		0x000000FF
 #define lpfc_mbx_rd_conf_topology_WORD		word2
@@ -2552,8 +2640,152 @@ struct lpfc_mbx_get_prof_cfg {
 	} u;
 };
 
+struct lpfc_controller_attribute {
+	uint32_t version_string[8];
+	uint32_t manufacturer_name[8];
+	uint32_t supported_modes;
+	uint32_t word17;
+#define lpfc_cntl_attr_eprom_ver_lo_SHIFT	0
+#define lpfc_cntl_attr_eprom_ver_lo_MASK	0x000000ff
+#define lpfc_cntl_attr_eprom_ver_lo_WORD	word17
+#define lpfc_cntl_attr_eprom_ver_hi_SHIFT	8
+#define lpfc_cntl_attr_eprom_ver_hi_MASK	0x000000ff
+#define lpfc_cntl_attr_eprom_ver_hi_WORD	word17
+	uint32_t mbx_da_struct_ver;
+	uint32_t ep_fw_da_struct_ver;
+	uint32_t ncsi_ver_str[3];
+	uint32_t dflt_ext_timeout;
+	uint32_t model_number[8];
+	uint32_t description[16];
+	uint32_t serial_number[8];
+	uint32_t ip_ver_str[8];
+	uint32_t fw_ver_str[8];
+	uint32_t bios_ver_str[8];
+	uint32_t redboot_ver_str[8];
+	uint32_t driver_ver_str[8];
+	uint32_t flash_fw_ver_str[8];
+	uint32_t functionality;
+	uint32_t word105;
+#define lpfc_cntl_attr_max_cbd_len_SHIFT	0
+#define lpfc_cntl_attr_max_cbd_len_MASK		0x0000ffff
+#define lpfc_cntl_attr_max_cbd_len_WORD		word105
+#define lpfc_cntl_attr_asic_rev_SHIFT		16
+#define lpfc_cntl_attr_asic_rev_MASK		0x000000ff
+#define lpfc_cntl_attr_asic_rev_WORD		word105
+#define lpfc_cntl_attr_gen_guid0_SHIFT		24
+#define lpfc_cntl_attr_gen_guid0_MASK		0x000000ff
+#define lpfc_cntl_attr_gen_guid0_WORD		word105
+	uint32_t gen_guid1_12[3];
+	uint32_t word109;
+#define lpfc_cntl_attr_gen_guid13_14_SHIFT	0
+#define lpfc_cntl_attr_gen_guid13_14_MASK	0x0000ffff
+#define lpfc_cntl_attr_gen_guid13_14_WORD	word109
+#define lpfc_cntl_attr_gen_guid15_SHIFT		16
+#define lpfc_cntl_attr_gen_guid15_MASK		0x000000ff
+#define lpfc_cntl_attr_gen_guid15_WORD		word109
+#define lpfc_cntl_attr_hba_port_cnt_SHIFT	24
+#define lpfc_cntl_attr_hba_port_cnt_MASK	0x000000ff
+#define lpfc_cntl_attr_hba_port_cnt_WORD	word109
+	uint32_t word110;
+#define lpfc_cntl_attr_dflt_lnk_tmo_SHIFT	0
+#define lpfc_cntl_attr_dflt_lnk_tmo_MASK	0x0000ffff
+#define lpfc_cntl_attr_dflt_lnk_tmo_WORD	word110
+#define lpfc_cntl_attr_multi_func_dev_SHIFT	24
+#define lpfc_cntl_attr_multi_func_dev_MASK	0x000000ff
+#define lpfc_cntl_attr_multi_func_dev_WORD	word110
+	uint32_t word111;
+#define lpfc_cntl_attr_cache_valid_SHIFT	0
+#define lpfc_cntl_attr_cache_valid_MASK		0x000000ff
+#define lpfc_cntl_attr_cache_valid_WORD		word111
+#define lpfc_cntl_attr_hba_status_SHIFT		8
+#define lpfc_cntl_attr_hba_status_MASK		0x000000ff
+#define lpfc_cntl_attr_hba_status_WORD		word111
+#define lpfc_cntl_attr_max_domain_SHIFT		16
+#define lpfc_cntl_attr_max_domain_MASK		0x000000ff
+#define lpfc_cntl_attr_max_domain_WORD		word111
+#define lpfc_cntl_attr_lnk_numb_SHIFT		24
+#define lpfc_cntl_attr_lnk_numb_MASK		0x0000003f
+#define lpfc_cntl_attr_lnk_numb_WORD		word111
+#define lpfc_cntl_attr_lnk_type_SHIFT		30
+#define lpfc_cntl_attr_lnk_type_MASK		0x00000003
+#define lpfc_cntl_attr_lnk_type_WORD		word111
+	uint32_t fw_post_status;
+	uint32_t hba_mtu[8];
+	uint32_t word121;
+	uint32_t reserved1[3];
+	uint32_t word125;
+#define lpfc_cntl_attr_pci_vendor_id_SHIFT	0
+#define lpfc_cntl_attr_pci_vendor_id_MASK	0x0000ffff
+#define lpfc_cntl_attr_pci_vendor_id_WORD	word125
+#define lpfc_cntl_attr_pci_device_id_SHIFT	16
+#define lpfc_cntl_attr_pci_device_id_MASK	0x0000ffff
+#define lpfc_cntl_attr_pci_device_id_WORD	word125
+	uint32_t word126;
+#define lpfc_cntl_attr_pci_subvdr_id_SHIFT	0
+#define lpfc_cntl_attr_pci_subvdr_id_MASK	0x0000ffff
+#define lpfc_cntl_attr_pci_subvdr_id_WORD	word126
+#define lpfc_cntl_attr_pci_subsys_id_SHIFT	16
+#define lpfc_cntl_attr_pci_subsys_id_MASK	0x0000ffff
+#define lpfc_cntl_attr_pci_subsys_id_WORD	word126
+	uint32_t word127;
+#define lpfc_cntl_attr_pci_bus_num_SHIFT	0
+#define lpfc_cntl_attr_pci_bus_num_MASK		0x000000ff
+#define lpfc_cntl_attr_pci_bus_num_WORD		word127
+#define lpfc_cntl_attr_pci_dev_num_SHIFT	8
+#define lpfc_cntl_attr_pci_dev_num_MASK		0x000000ff
+#define lpfc_cntl_attr_pci_dev_num_WORD		word127
+#define lpfc_cntl_attr_pci_fnc_num_SHIFT	16
+#define lpfc_cntl_attr_pci_fnc_num_MASK		0x000000ff
+#define lpfc_cntl_attr_pci_fnc_num_WORD		word127
+#define lpfc_cntl_attr_inf_type_SHIFT		24
+#define lpfc_cntl_attr_inf_type_MASK		0x000000ff
+#define lpfc_cntl_attr_inf_type_WORD		word127
+	uint32_t unique_id[2];
+	uint32_t word130;
+#define lpfc_cntl_attr_num_netfil_SHIFT		0
+#define lpfc_cntl_attr_num_netfil_MASK		0x000000ff
+#define lpfc_cntl_attr_num_netfil_WORD		word130
+	uint32_t reserved2[4];
+};
+
+struct lpfc_mbx_get_cntl_attributes {
+	union  lpfc_sli4_cfg_shdr cfg_shdr;
+	struct lpfc_controller_attribute cntl_attr;
+};
+
+struct lpfc_mbx_get_port_name {
+	struct mbox_header header;
+	union {
+		struct {
+			uint32_t word4;
+#define lpfc_mbx_get_port_name_lnk_type_SHIFT	0
+#define lpfc_mbx_get_port_name_lnk_type_MASK	0x00000003
+#define lpfc_mbx_get_port_name_lnk_type_WORD	word4
+		} request;
+		struct {
+			uint32_t word4;
+#define lpfc_mbx_get_port_name_name0_SHIFT	0
+#define lpfc_mbx_get_port_name_name0_MASK	0x000000FF
+#define lpfc_mbx_get_port_name_name0_WORD	word4
+#define lpfc_mbx_get_port_name_name1_SHIFT	8
+#define lpfc_mbx_get_port_name_name1_MASK	0x000000FF
+#define lpfc_mbx_get_port_name_name1_WORD	word4
+#define lpfc_mbx_get_port_name_name2_SHIFT	16
+#define lpfc_mbx_get_port_name_name2_MASK	0x000000FF
+#define lpfc_mbx_get_port_name_name2_WORD	word4
+#define lpfc_mbx_get_port_name_name3_SHIFT	24
+#define lpfc_mbx_get_port_name_name3_MASK	0x000000FF
+#define lpfc_mbx_get_port_name_name3_WORD	word4
+#define LPFC_LINK_NUMBER_0			0
+#define LPFC_LINK_NUMBER_1			1
+#define LPFC_LINK_NUMBER_2			2
+#define LPFC_LINK_NUMBER_3			3
+		} response;
+	} u;
+};
+
 /* Mailbox Completion Queue Error Messages */
-#define MB_CQE_STATUS_SUCCESS 			0x0
+#define MB_CQE_STATUS_SUCCESS			0x0
 #define MB_CQE_STATUS_INSUFFICIENT_PRIVILEGES	0x1
 #define MB_CQE_STATUS_INVALID_PARAMETER		0x2
 #define MB_CQE_STATUS_INSUFFICIENT_RESOURCES	0x3
@@ -2637,8 +2869,9 @@ struct lpfc_mqe {
 		struct lpfc_mbx_run_link_diag_test link_diag_test;
 		struct lpfc_mbx_get_func_cfg get_func_cfg;
 		struct lpfc_mbx_get_prof_cfg get_prof_cfg;
-		struct lpfc_mbx_nop nop;
 		struct lpfc_mbx_wr_object wr_object;
+		struct lpfc_mbx_get_port_name get_port_name;
+		struct lpfc_mbx_nop nop;
 	} un;
 };
 
@@ -2855,6 +3088,9 @@ struct wqe_common {
 #define wqe_ctxt_tag_MASK     0x0000FFFF
 #define wqe_ctxt_tag_WORD     word6
 	uint32_t word7;
+#define wqe_dif_SHIFT         0
+#define wqe_dif_MASK          0x00000003
+#define wqe_dif_WORD          word7
 #define wqe_ct_SHIFT          2
 #define wqe_ct_MASK           0x00000003
 #define wqe_ct_WORD           word7
@@ -2867,12 +3103,21 @@ struct wqe_common {
 #define wqe_class_SHIFT       16
 #define wqe_class_MASK        0x00000007
 #define wqe_class_WORD        word7
+#define wqe_ar_SHIFT          19
+#define wqe_ar_MASK           0x00000001
+#define wqe_ar_WORD           word7
+#define wqe_ag_SHIFT          wqe_ar_SHIFT
+#define wqe_ag_MASK           wqe_ar_MASK
+#define wqe_ag_WORD           wqe_ar_WORD
 #define wqe_pu_SHIFT          20
 #define wqe_pu_MASK           0x00000003
 #define wqe_pu_WORD           word7
 #define wqe_erp_SHIFT         22
 #define wqe_erp_MASK          0x00000001
 #define wqe_erp_WORD          word7
+#define wqe_conf_SHIFT        wqe_erp_SHIFT
+#define wqe_conf_MASK         wqe_erp_MASK
+#define wqe_conf_WORD         wqe_erp_WORD
 #define wqe_lnk_SHIFT         23
 #define wqe_lnk_MASK          0x00000001
 #define wqe_lnk_WORD          word7
@@ -2931,6 +3176,9 @@ struct wqe_common {
 #define wqe_xc_SHIFT          21
 #define wqe_xc_MASK           0x00000001
 #define wqe_xc_WORD           word10
+#define wqe_sr_SHIFT          22
+#define wqe_sr_MASK           0x00000001
+#define wqe_sr_WORD           word10
 #define wqe_ccpe_SHIFT        23
 #define wqe_ccpe_MASK         0x00000001
 #define wqe_ccpe_WORD         word10
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index a3c820083c36..907c94b9245d 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -58,8 +58,7 @@ spinlock_t _dump_buf_lock;
 
 static void lpfc_get_hba_model_desc(struct lpfc_hba *, uint8_t *, uint8_t *);
 static int lpfc_post_rcv_buf(struct lpfc_hba *);
-static int lpfc_sli4_queue_create(struct lpfc_hba *);
-static void lpfc_sli4_queue_destroy(struct lpfc_hba *);
+static int lpfc_sli4_queue_verify(struct lpfc_hba *);
 static int lpfc_create_bootstrap_mbox(struct lpfc_hba *);
 static int lpfc_setup_endian_order(struct lpfc_hba *);
 static int lpfc_sli4_read_config(struct lpfc_hba *);
@@ -1438,6 +1437,7 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
 	struct Scsi_Host *shost;
 	uint32_t if_type;
 	struct lpfc_register portstat_reg;
+	int rc;
 
 	/* If the pci channel is offline, ignore possible errors, since
 	 * we cannot communicate with the pci card anyway.
@@ -1480,16 +1480,24 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba)
 			lpfc_sli4_offline_eratt(phba);
 			return;
 		}
-		if (bf_get(lpfc_sliport_status_rn, &portstat_reg)) {
-			/*
-			 * TODO: Attempt port recovery via a port reset.
-			 * When fully implemented, the driver should
-			 * attempt to recover the port here and return.
-			 * For now, log an error and take the port offline.
-			 */
+		/*
+		 * On error status condition, driver need to wait for port
+		 * ready before performing reset.
+		 */
+		rc = lpfc_sli4_pdev_status_reg_wait(phba);
+		if (!rc) {
+			/* need reset: attempt for port recovery */
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 					"2887 Port Error: Attempting "
 					"Port Recovery\n");
+			lpfc_offline_prep(phba);
+			lpfc_offline(phba);
+			lpfc_sli_brdrestart(phba);
+			if (lpfc_online(phba) == 0) {
+				lpfc_unblock_mgmt_io(phba);
+				return;
+			}
+			/* fall through for not able to recover */
 		}
 		lpfc_sli4_offline_eratt(phba);
 		break;
@@ -1724,11 +1732,20 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 				j = 0;
 				Length -= (3+i);
 				while(i--) {
-				phba->Port[j++] = vpd[index++];
-				if (j == 19)
-					break;
+					if ((phba->sli_rev == LPFC_SLI_REV4) &&
+					    (phba->sli4_hba.pport_name_sta ==
+					     LPFC_SLI4_PPNAME_GET)) {
+						j++;
+						index++;
+					} else
+						phba->Port[j++] = vpd[index++];
+					if (j == 19)
+						break;
 				}
-				phba->Port[j] = 0;
+				if ((phba->sli_rev != LPFC_SLI_REV4) ||
+				    (phba->sli4_hba.pport_name_sta ==
+				     LPFC_SLI4_PPNAME_NON))
+					phba->Port[j] = 0;
 				continue;
 			}
 			else {
@@ -1958,7 +1975,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 	case PCI_DEVICE_ID_LANCER_FCOE:
 	case PCI_DEVICE_ID_LANCER_FCOE_VF:
 		oneConnect = 1;
-		m = (typeof(m)){"OCe50100", "PCIe", "FCoE"};
+		m = (typeof(m)){"OCe15100", "PCIe", "FCoE"};
 		break;
 	default:
 		m = (typeof(m)){"Unknown", "", ""};
@@ -2432,17 +2449,19 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba)
 	uint8_t actcmd = MBX_HEARTBEAT;
 	unsigned long timeout;
 
-
+	timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
 	spin_lock_irqsave(&phba->hbalock, iflag);
 	phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO;
-	if (phba->sli.mbox_active)
+	if (phba->sli.mbox_active) {
 		actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
+		/* Determine how long we might wait for the active mailbox
+		 * command to be gracefully completed by firmware.
+		 */
+		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
+				phba->sli.mbox_active) * 1000) + jiffies;
+	}
 	spin_unlock_irqrestore(&phba->hbalock, iflag);
-	/* Determine how long we might wait for the active mailbox
-	 * command to be gracefully completed by firmware.
-	 */
-	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, actcmd) * 1000) +
-			jiffies;
+
 	/* Wait for the outstnading mailbox command to complete */
 	while (phba->sli.mbox_active) {
 		/* Check active mailbox complete status every 2ms */
@@ -3949,7 +3968,7 @@ static int
 lpfc_enable_pci_dev(struct lpfc_hba *phba)
 {
 	struct pci_dev *pdev;
-	int bars;
+	int bars = 0;
 
 	/* Obtain PCI device reference */
 	if (!phba->pcidev)
@@ -3978,6 +3997,8 @@ lpfc_enable_pci_dev(struct lpfc_hba *phba)
 out_disable_device:
 	pci_disable_device(pdev);
 out_error:
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"1401 Failed to enable pci device, bars:x%x\n", bars);
 	return -ENODEV;
 }
 
@@ -4051,9 +4072,6 @@ lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba)
 	uint16_t nr_virtfn;
 	int pos;
 
-	if (!pdev->is_physfn)
-		return 0;
-
 	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
 	if (pos == 0)
 		return 0;
@@ -4474,15 +4492,15 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 		}
 	}
 	mempool_free(mboxq, phba->mbox_mem_pool);
-	/* Create all the SLI4 queues */
-	rc = lpfc_sli4_queue_create(phba);
+	/* Verify all the SLI4 queues */
+	rc = lpfc_sli4_queue_verify(phba);
 	if (rc)
 		goto out_free_bsmbx;
 
 	/* Create driver internal CQE event pool */
 	rc = lpfc_sli4_cq_event_pool_create(phba);
 	if (rc)
-		goto out_destroy_queue;
+		goto out_free_bsmbx;
 
 	/* Initialize and populate the iocb list per host */
 	rc = lpfc_init_sgl_list(phba);
@@ -4516,14 +4534,21 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 		goto out_remove_rpi_hdrs;
 	}
 
-	phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
+	/*
+	 * The cfg_fcp_eq_count can be zero whenever there is exactly one
+	 * interrupt vector.  This is not an error
+	 */
+	if (phba->cfg_fcp_eq_count) {
+		phba->sli4_hba.fcp_eq_hdl =
+				kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
 				    phba->cfg_fcp_eq_count), GFP_KERNEL);
-	if (!phba->sli4_hba.fcp_eq_hdl) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"2572 Failed allocate memory for fast-path "
-				"per-EQ handle array\n");
-		rc = -ENOMEM;
-		goto out_free_fcf_rr_bmask;
+		if (!phba->sli4_hba.fcp_eq_hdl) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2572 Failed allocate memory for "
+					"fast-path per-EQ handle array\n");
+			rc = -ENOMEM;
+			goto out_free_fcf_rr_bmask;
+		}
 	}
 
 	phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
@@ -4567,8 +4592,6 @@ out_free_sgl_list:
 	lpfc_free_sgl_list(phba);
 out_destroy_cq_event_pool:
 	lpfc_sli4_cq_event_pool_destroy(phba);
-out_destroy_queue:
-	lpfc_sli4_queue_destroy(phba);
 out_free_bsmbx:
 	lpfc_destroy_bootstrap_mbox(phba);
 out_free_mem:
@@ -4608,9 +4631,6 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
 	/* Free the SCSI sgl management array */
 	kfree(phba->sli4_hba.lpfc_scsi_psb_array);
 
-	/* Free the SLI4 queues */
-	lpfc_sli4_queue_destroy(phba);
-
 	/* Free the completion queue EQ event pool */
 	lpfc_sli4_cq_event_release_all(phba);
 	lpfc_sli4_cq_event_pool_destroy(phba);
@@ -6139,24 +6159,21 @@ lpfc_setup_endian_order(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_sli4_queue_create - Create all the SLI4 queues
+ * lpfc_sli4_queue_verify - Verify and update EQ and CQ counts
  * @phba: pointer to lpfc hba data structure.
  *
- * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
- * operation. For each SLI4 queue type, the parameters such as queue entry
- * count (queue depth) shall be taken from the module parameter. For now,
- * we just use some constant number as place holder.
+ * This routine is invoked to check the user settable queue counts for EQs and
+ * CQs. after this routine is called the counts will be set to valid values that
+ * adhere to the constraints of the system's interrupt vectors and the port's
+ * queue resources.
  *
  * Return codes
  *      0 - successful
  *      -ENOMEM - No available memory
- *      -EIO - The mailbox failed to complete successfully.
  **/
 static int
-lpfc_sli4_queue_create(struct lpfc_hba *phba)
+lpfc_sli4_queue_verify(struct lpfc_hba *phba)
 {
-	struct lpfc_queue *qdesc;
-	int fcp_eqidx, fcp_cqidx, fcp_wqidx;
 	int cfg_fcp_wq_count;
 	int cfg_fcp_eq_count;
 
@@ -6229,14 +6246,43 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	/* The overall number of event queues used */
 	phba->sli4_hba.cfg_eqn = phba->cfg_fcp_eq_count + LPFC_SP_EQN_DEF;
 
-	/*
-	 * Create Event Queues (EQs)
-	 */
-
 	/* Get EQ depth from module parameter, fake the default for now */
 	phba->sli4_hba.eq_esize = LPFC_EQE_SIZE_4B;
 	phba->sli4_hba.eq_ecount = LPFC_EQE_DEF_COUNT;
 
+	/* Get CQ depth from module parameter, fake the default for now */
+	phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
+	phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
+
+	return 0;
+out_error:
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_queue_create - Create all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate all the SLI4 queues for the FCoE HBA
+ * operation. For each SLI4 queue type, the parameters such as queue entry
+ * count (queue depth) shall be taken from the module parameter. For now,
+ * we just use some constant number as place holder.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      -ENOMEM - No availble memory
+ *      -EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_sli4_queue_create(struct lpfc_hba *phba)
+{
+	struct lpfc_queue *qdesc;
+	int fcp_eqidx, fcp_cqidx, fcp_wqidx;
+
+	/*
+	 * Create Event Queues (EQs)
+	 */
+
 	/* Create slow path event queue */
 	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
 				      phba->sli4_hba.eq_ecount);
@@ -6247,14 +6293,20 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	}
 	phba->sli4_hba.sp_eq = qdesc;
 
-	/* Create fast-path FCP Event Queue(s) */
-	phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) *
-			       phba->cfg_fcp_eq_count), GFP_KERNEL);
-	if (!phba->sli4_hba.fp_eq) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"2576 Failed allocate memory for fast-path "
-				"EQ record array\n");
-		goto out_free_sp_eq;
+	/*
+	 * Create fast-path FCP Event Queue(s).  The cfg_fcp_eq_count can be
+	 * zero whenever there is exactly one interrupt vector.  This is not
+	 * an error.
+	 */
+	if (phba->cfg_fcp_eq_count) {
+		phba->sli4_hba.fp_eq = kzalloc((sizeof(struct lpfc_queue *) *
+				       phba->cfg_fcp_eq_count), GFP_KERNEL);
+		if (!phba->sli4_hba.fp_eq) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2576 Failed allocate memory for "
+					"fast-path EQ record array\n");
+			goto out_free_sp_eq;
+		}
 	}
 	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
 		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
@@ -6271,10 +6323,6 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	 * Create Complete Queues (CQs)
 	 */
 
-	/* Get CQ depth from module parameter, fake the default for now */
-	phba->sli4_hba.cq_esize = LPFC_CQE_SIZE;
-	phba->sli4_hba.cq_ecount = LPFC_CQE_DEF_COUNT;
-
 	/* Create slow-path Mailbox Command Complete Queue */
 	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
 				      phba->sli4_hba.cq_ecount);
@@ -6296,16 +6344,25 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	phba->sli4_hba.els_cq = qdesc;
 
 
-	/* Create fast-path FCP Completion Queue(s), one-to-one with EQs */
-	phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
-				phba->cfg_fcp_eq_count), GFP_KERNEL);
+	/*
+	 * Create fast-path FCP Completion Queue(s), one-to-one with FCP EQs.
+	 * If there are no FCP EQs then create exactly one FCP CQ.
+	 */
+	if (phba->cfg_fcp_eq_count)
+		phba->sli4_hba.fcp_cq = kzalloc((sizeof(struct lpfc_queue *) *
+						 phba->cfg_fcp_eq_count),
+						GFP_KERNEL);
+	else
+		phba->sli4_hba.fcp_cq = kzalloc(sizeof(struct lpfc_queue *),
+						GFP_KERNEL);
 	if (!phba->sli4_hba.fcp_cq) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"2577 Failed allocate memory for fast-path "
 				"CQ record array\n");
 		goto out_free_els_cq;
 	}
-	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
+	fcp_cqidx = 0;
+	do {
 		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
 					      phba->sli4_hba.cq_ecount);
 		if (!qdesc) {
@@ -6315,7 +6372,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 			goto out_free_fcp_cq;
 		}
 		phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc;
-	}
+	} while (++fcp_cqidx < phba->cfg_fcp_eq_count);
 
 	/* Create Mailbox Command Queue */
 	phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
@@ -6447,7 +6504,7 @@ out_error:
  *      -ENOMEM - No available memory
  *      -EIO - The mailbox failed to complete successfully.
  **/
-static void
+void
 lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
 {
 	int fcp_qidx;
@@ -6723,6 +6780,10 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 				"0540 Receive Queue not allocated\n");
 		goto out_destroy_fcp_wq;
 	}
+
+	lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ);
+	lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ);
+
 	rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
 			    phba->sli4_hba.els_cq, LPFC_USOL);
 	if (rc) {
@@ -6731,6 +6792,7 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
 				"rc = 0x%x\n", rc);
 		goto out_destroy_fcp_wq;
 	}
+
 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 			"2592 USL RQ setup: hdr-rq-id=%d, dat-rq-id=%d "
 			"parent cq-id=%d\n",
@@ -6790,8 +6852,10 @@ lpfc_sli4_queue_unset(struct lpfc_hba *phba)
 	/* Unset ELS complete queue */
 	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
 	/* Unset FCP response complete queue */
-	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
+	fcp_qidx = 0;
+	do {
 		lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
+	} while (++fcp_qidx < phba->cfg_fcp_eq_count);
 	/* Unset fast-path event queue */
 	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
 		lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_qidx]);
@@ -7040,10 +7104,11 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
 			 * the loop again.
 			 */
 			for (rdy_chk = 0; rdy_chk < 1000; rdy_chk++) {
+				msleep(10);
 				if (lpfc_readl(phba->sli4_hba.u.if_type2.
 					      STATUSregaddr, &reg_data.word0)) {
 					rc = -ENODEV;
-					break;
+					goto out;
 				}
 				if (bf_get(lpfc_sliport_status_rdy, &reg_data))
 					break;
@@ -7051,7 +7116,6 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
 					reset_again++;
 					break;
 				}
-				msleep(10);
 			}
 
 			/*
@@ -7065,11 +7129,6 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
 			}
 
 			/* Detect any port errors. */
-			if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
-				 &reg_data.word0)) {
-				rc = -ENODEV;
-				break;
-			}
 			if ((bf_get(lpfc_sliport_status_err, &reg_data)) ||
 			    (rdy_chk >= 1000)) {
 				phba->work_status[0] = readl(
@@ -7102,6 +7161,7 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
 		break;
 	}
 
+out:
 	/* Catch the not-ready port failure after a port reset. */
 	if (num_resets >= MAX_IF_TYPE_2_RESETS)
 		rc = -ENODEV;
@@ -7149,12 +7209,13 @@ lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt)
 	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
 			 LPFC_MBOX_OPCODE_NOP, length, LPFC_SLI4_MBX_EMBED);
 
-	mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
 	for (cmdsent = 0; cmdsent < cnt; cmdsent++) {
 		if (!phba->sli4_hba.intr_enable)
 			rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
-		else
+		else {
+			mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
 			rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+		}
 		if (rc == MBX_TIMEOUT)
 			break;
 		/* Check return status */
@@ -7974,6 +8035,7 @@ lpfc_sli4_unset_hba(struct lpfc_hba *phba)
 
 	/* Reset SLI4 HBA FCoE function */
 	lpfc_pci_function_reset(phba);
+	lpfc_sli4_queue_destroy(phba);
 
 	return;
 }
@@ -8087,6 +8149,7 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
 
 	/* Reset SLI4 HBA FCoE function */
 	lpfc_pci_function_reset(phba);
+	lpfc_sli4_queue_destroy(phba);
 
 	/* Stop the SLI4 device port */
 	phba->pport->work_port_events = 0;
@@ -8120,7 +8183,7 @@ lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_PORT_CAPABILITIES);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
 		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
 	}
 
@@ -8182,6 +8245,7 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	int rc;
 	struct lpfc_mqe *mqe = &mboxq->u.mqe;
 	struct lpfc_pc_sli4_params *sli4_params;
+	uint32_t mbox_tmo;
 	int length;
 	struct lpfc_sli4_parameters *mbx_sli4_parameters;
 
@@ -8200,9 +8264,10 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 			 length, LPFC_SLI4_MBX_EMBED);
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
-	else
-		rc = lpfc_sli_issue_mbox_wait(phba, mboxq,
-			lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG));
+	else {
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
+		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+	}
 	if (unlikely(rc))
 		return rc;
 	sli4_params = &phba->sli4_hba.pc_sli4_params;
@@ -8271,11 +8336,8 @@ lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
 
 	/* Perform generic PCI device enabling operation */
 	error = lpfc_enable_pci_dev(phba);
-	if (error) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"1401 Failed to enable pci device.\n");
+	if (error)
 		goto out_free_phba;
-	}
 
 	/* Set up SLI API function jump table for PCI-device group-0 HBAs */
 	error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP);
@@ -8322,6 +8384,9 @@ lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_free_iocb_list;
 	}
 
+	/* Get the default values for Model Name and Description */
+	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
+
 	/* Create SCSI host to the physical port */
 	error = lpfc_create_shost(phba);
 	if (error) {
@@ -8885,16 +8950,17 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
 	uint32_t offset = 0, temp_offset = 0;
 
 	INIT_LIST_HEAD(&dma_buffer_list);
-	if ((image->magic_number != LPFC_GROUP_OJECT_MAGIC_NUM) ||
-	    (bf_get(lpfc_grp_hdr_file_type, image) != LPFC_FILE_TYPE_GROUP) ||
-	    (bf_get(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
-	    (image->size != fw->size)) {
+	if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) ||
+	    (bf_get_be32(lpfc_grp_hdr_file_type, image) !=
+	     LPFC_FILE_TYPE_GROUP) ||
+	    (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
+	    (be32_to_cpu(image->size) != fw->size)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"3022 Invalid FW image found. "
-				"Magic:%d Type:%x ID:%x\n",
-				image->magic_number,
-				bf_get(lpfc_grp_hdr_file_type, image),
-				bf_get(lpfc_grp_hdr_id, image));
+				"Magic:%x Type:%x ID:%x\n",
+				be32_to_cpu(image->magic_number),
+				bf_get_be32(lpfc_grp_hdr_file_type, image),
+				bf_get_be32(lpfc_grp_hdr_id, image));
 		return -EINVAL;
 	}
 	lpfc_decode_firmware_rev(phba, fwrev, 1);
@@ -8924,11 +8990,11 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
 		while (offset < fw->size) {
 			temp_offset = offset;
 			list_for_each_entry(dmabuf, &dma_buffer_list, list) {
-				if (offset + SLI4_PAGE_SIZE > fw->size) {
-					temp_offset += fw->size - offset;
+				if (temp_offset + SLI4_PAGE_SIZE > fw->size) {
 					memcpy(dmabuf->virt,
 					       fw->data + temp_offset,
-					       fw->size - offset);
+					       fw->size - temp_offset);
+					temp_offset = fw->size;
 					break;
 				}
 				memcpy(dmabuf->virt, fw->data + temp_offset,
@@ -8984,7 +9050,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 	uint32_t cfg_mode, intr_mode;
 	int mcnt;
 	int adjusted_fcp_eq_count;
-	int fcp_qidx;
 	const struct firmware *fw;
 	uint8_t file_name[16];
 
@@ -8995,11 +9060,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 
 	/* Perform generic PCI device enabling operation */
 	error = lpfc_enable_pci_dev(phba);
-	if (error) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"1409 Failed to enable pci device.\n");
+	if (error)
 		goto out_free_phba;
-	}
 
 	/* Set up SLI API function jump table for PCI-device group-1 HBAs */
 	error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC);
@@ -9054,6 +9116,9 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_free_iocb_list;
 	}
 
+	/* Get the default values for Model Name and Description */
+	lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc);
+
 	/* Create SCSI host to the physical port */
 	error = lpfc_create_shost(phba);
 	if (error) {
@@ -9093,16 +9158,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
 			adjusted_fcp_eq_count = phba->sli4_hba.msix_vec_nr - 1;
 		else
 			adjusted_fcp_eq_count = phba->cfg_fcp_eq_count;
-		/* Free unused EQs */
-		for (fcp_qidx = adjusted_fcp_eq_count;
-		     fcp_qidx < phba->cfg_fcp_eq_count;
-		     fcp_qidx++) {
-			lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]);
-			/* do not delete the first fcp_cq */
-			if (fcp_qidx)
-				lpfc_sli4_queue_free(
-					phba->sli4_hba.fcp_cq[fcp_qidx]);
-		}
 		phba->cfg_fcp_eq_count = adjusted_fcp_eq_count;
 		/* Set up SLI-4 HBA */
 		if (lpfc_sli4_hba_setup(phba)) {
@@ -9285,6 +9340,7 @@ lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
 
 	/* Disable interrupt from device */
 	lpfc_sli4_disable_intr(phba);
+	lpfc_sli4_queue_destroy(phba);
 
 	/* Save device state to PCI config space */
 	pci_save_state(pdev);
@@ -9414,6 +9470,7 @@ lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba)
 
 	/* Disable interrupt and pci device */
 	lpfc_sli4_disable_intr(phba);
+	lpfc_sli4_queue_destroy(phba);
 	pci_disable_device(phba->pcidev);
 
 	/* Flush all driver's outstanding SCSI I/Os as we are to reset */
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index e3b790e59156..baf53e6c2bd1 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -36,6 +36,7 @@
 #define LOG_SECURITY	0x00008000	/* Security events */
 #define LOG_EVENT	0x00010000	/* CT,TEMP,DUMP, logging */
 #define LOG_FIP		0x00020000	/* FIP events */
+#define LOG_FCP_UNDER	0x00040000	/* FCP underruns errors */
 #define LOG_ALL_MSG	0xffffffff	/* LOG all messages */
 
 #define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 83450cc5c4d3..2ebc7d2540c0 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1598,9 +1598,12 @@ lpfc_mbox_dev_check(struct lpfc_hba *phba)
  *    Timeout value to be used for the given mailbox command
  **/
 int
-lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
+lpfc_mbox_tmo_val(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
-	switch (cmd) {
+	MAILBOX_t *mbox = &mboxq->u.mb;
+	uint8_t subsys, opcode;
+
+	switch (mbox->mbxCommand) {
 	case MBX_WRITE_NV:	/* 0x03 */
 	case MBX_UPDATE_CFG:	/* 0x1B */
 	case MBX_DOWN_LOAD:	/* 0x1C */
@@ -1610,6 +1613,28 @@ lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
 	case MBX_LOAD_EXP_ROM:	/* 0x9C */
 		return LPFC_MBOX_TMO_FLASH_CMD;
 	case MBX_SLI4_CONFIG:	/* 0x9b */
+		subsys = lpfc_sli_config_mbox_subsys_get(phba, mboxq);
+		opcode = lpfc_sli_config_mbox_opcode_get(phba, mboxq);
+		if (subsys == LPFC_MBOX_SUBSYSTEM_COMMON) {
+			switch (opcode) {
+			case LPFC_MBOX_OPCODE_READ_OBJECT:
+			case LPFC_MBOX_OPCODE_WRITE_OBJECT:
+			case LPFC_MBOX_OPCODE_READ_OBJECT_LIST:
+			case LPFC_MBOX_OPCODE_DELETE_OBJECT:
+			case LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG:
+			case LPFC_MBOX_OPCODE_GET_PROFILE_LIST:
+			case LPFC_MBOX_OPCODE_SET_ACT_PROFILE:
+			case LPFC_MBOX_OPCODE_SET_PROFILE_CONFIG:
+			case LPFC_MBOX_OPCODE_GET_FACTORY_PROFILE_CONFIG:
+				return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
+			}
+		}
+		if (subsys == LPFC_MBOX_SUBSYSTEM_FCOE) {
+			switch (opcode) {
+			case LPFC_MBOX_OPCODE_FCOE_SET_FCLINK_SETTINGS:
+				return LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO;
+			}
+		}
 		return LPFC_MBOX_SLI4_CONFIG_TMO;
 	}
 	return LPFC_MBOX_TMO;
@@ -1859,7 +1884,7 @@ lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
 	}
 
 	/* Complete the initialization for the particular Opcode. */
-	opcode = lpfc_sli4_mbox_opcode_get(phba, mbox);
+	opcode = lpfc_sli_config_mbox_opcode_get(phba, mbox);
 	switch (opcode) {
 	case LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT:
 		if (emb == LPFC_SLI4_MBX_EMBED)
@@ -1886,23 +1911,56 @@ lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
 }
 
 /**
- * lpfc_sli4_mbox_opcode_get - Get the opcode from a sli4 mailbox command
+ * lpfc_sli_config_mbox_subsys_get - Get subsystem from a sli_config mbox cmd
  * @phba: pointer to lpfc hba data structure.
- * @mbox: pointer to lpfc mbox command.
+ * @mbox: pointer to lpfc mbox command queue entry.
+ *
+ * This routine gets the subsystem from a SLI4 specific SLI_CONFIG mailbox
+ * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if the
+ * sub-header is not present, subsystem LPFC_MBOX_SUBSYSTEM_NA (0x0) shall
+ * be returned.
+ **/
+uint8_t
+lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
+{
+	struct lpfc_mbx_sli4_config *sli4_cfg;
+	union lpfc_sli4_cfg_shdr *cfg_shdr;
+
+	if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
+		return LPFC_MBOX_SUBSYSTEM_NA;
+	sli4_cfg = &mbox->u.mqe.un.sli4_config;
+
+	/* For embedded mbox command, get opcode from embedded sub-header*/
+	if (bf_get(lpfc_mbox_hdr_emb, &sli4_cfg->header.cfg_mhdr)) {
+		cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr;
+		return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
+	}
+
+	/* For non-embedded mbox command, get opcode from first dma page */
+	if (unlikely(!mbox->sge_array))
+		return LPFC_MBOX_SUBSYSTEM_NA;
+	cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
+	return bf_get(lpfc_mbox_hdr_subsystem, &cfg_shdr->request);
+}
+
+/**
+ * lpfc_sli_config_mbox_opcode_get - Get opcode from a sli_config mbox cmd
+ * @phba: pointer to lpfc hba data structure.
+ * @mbox: pointer to lpfc mbox command queue entry.
  *
- * This routine gets the opcode from a SLI4 specific mailbox command for
- * sending IOCTL command. If the mailbox command is not MBX_SLI4_CONFIG
- * (0x9B) or if the IOCTL sub-header is not present, opcode 0x0 shall be
+ * This routine gets the opcode from a SLI4 specific SLI_CONFIG mailbox
+ * command. If the mailbox command is not MBX_SLI4_CONFIG (0x9B) or if
+ * the sub-header is not present, opcode LPFC_MBOX_OPCODE_NA (0x0) be
  * returned.
  **/
 uint8_t
-lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
+lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 {
 	struct lpfc_mbx_sli4_config *sli4_cfg;
 	union lpfc_sli4_cfg_shdr *cfg_shdr;
 
 	if (mbox->u.mb.mbxCommand != MBX_SLI4_CONFIG)
-		return 0;
+		return LPFC_MBOX_OPCODE_NA;
 	sli4_cfg = &mbox->u.mqe.un.sli4_config;
 
 	/* For embedded mbox command, get opcode from embedded sub-header*/
@@ -1913,7 +1971,7 @@ lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 
 	/* For non-embedded mbox command, get opcode from first dma page */
 	if (unlikely(!mbox->sge_array))
-		return 0;
+		return LPFC_MBOX_OPCODE_NA;
 	cfg_shdr = (union lpfc_sli4_cfg_shdr *)mbox->sge_array->addr[0];
 	return bf_get(lpfc_mbox_hdr_opcode, &cfg_shdr->request);
 }
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index eadd241eeff1..5b8790b3cf4b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -58,6 +58,13 @@ static char *dif_op_str[] = {
 	"SCSI_PROT_READ_PASS",
 	"SCSI_PROT_WRITE_PASS",
 };
+
+struct scsi_dif_tuple {
+	__be16 guard_tag;       /* Checksum */
+	__be16 app_tag;         /* Opaque storage */
+	__be32 ref_tag;         /* Target LBA or indirect LBA */
+};
+
 static void
 lpfc_release_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb);
 static void
@@ -1263,6 +1270,174 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 	return 0;
 }
 
+static inline unsigned
+lpfc_cmd_blksize(struct scsi_cmnd *sc)
+{
+	return sc->device->sector_size;
+}
+
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+/*
+ * Given a scsi cmnd, determine the BlockGuard tags to be used with it
+ * @sc: The SCSI command to examine
+ * @reftag: (out) BlockGuard reference tag for transmitted data
+ * @apptag: (out) BlockGuard application tag for transmitted data
+ * @new_guard (in) Value to replace CRC with if needed
+ *
+ * Returns (1) if error injection was performed, (0) otherwise
+ */
+static int
+lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
+		uint32_t *reftag, uint16_t *apptag, uint32_t new_guard)
+{
+	struct scatterlist *sgpe; /* s/g prot entry */
+	struct scatterlist *sgde; /* s/g data entry */
+	struct scsi_dif_tuple *src;
+	uint32_t op = scsi_get_prot_op(sc);
+	uint32_t blksize;
+	uint32_t numblks;
+	sector_t lba;
+	int rc = 0;
+
+	if (op == SCSI_PROT_NORMAL)
+		return 0;
+
+	lba = scsi_get_lba(sc);
+	if (phba->lpfc_injerr_lba != LPFC_INJERR_LBA_OFF) {
+		blksize = lpfc_cmd_blksize(sc);
+		numblks = (scsi_bufflen(sc) + blksize - 1) / blksize;
+
+		/* Make sure we have the right LBA if one is specified */
+		if ((phba->lpfc_injerr_lba < lba) ||
+			(phba->lpfc_injerr_lba >= (lba + numblks)))
+			return 0;
+	}
+
+	sgpe = scsi_prot_sglist(sc);
+	sgde = scsi_sglist(sc);
+
+	/* Should we change the Reference Tag */
+	if (reftag) {
+		/*
+		 * If we are SCSI_PROT_WRITE_STRIP, the protection data is
+		 * being stripped from the wire, thus it doesn't matter.
+		 */
+		if ((op == SCSI_PROT_WRITE_PASS) ||
+			(op == SCSI_PROT_WRITE_INSERT)) {
+			if (phba->lpfc_injerr_wref_cnt) {
+
+				/* DEADBEEF will be the reftag on the wire */
+				*reftag = 0xDEADBEEF;
+				phba->lpfc_injerr_wref_cnt--;
+				phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+				rc = 1;
+
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9081 BLKGRD: Injecting reftag error: "
+					"write lba x%lx\n", (unsigned long)lba);
+			}
+		} else {
+			if (phba->lpfc_injerr_rref_cnt) {
+				*reftag = 0xDEADBEEF;
+				phba->lpfc_injerr_rref_cnt--;
+				phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+				rc = 1;
+
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9076 BLKGRD: Injecting reftag error: "
+					"read lba x%lx\n", (unsigned long)lba);
+			}
+		}
+	}
+
+	/* Should we change the Application Tag */
+	if (apptag) {
+		/*
+		 * If we are SCSI_PROT_WRITE_STRIP, the protection data is
+		 * being stripped from the wire, thus it doesn't matter.
+		 */
+		if ((op == SCSI_PROT_WRITE_PASS) ||
+			(op == SCSI_PROT_WRITE_INSERT)) {
+			if (phba->lpfc_injerr_wapp_cnt) {
+
+				/* DEAD will be the apptag on the wire */
+				*apptag = 0xDEAD;
+				phba->lpfc_injerr_wapp_cnt--;
+				phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+				rc = 1;
+
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9077 BLKGRD: Injecting apptag error: "
+					"write lba x%lx\n", (unsigned long)lba);
+			}
+		} else {
+			if (phba->lpfc_injerr_rapp_cnt) {
+				*apptag = 0xDEAD;
+				phba->lpfc_injerr_rapp_cnt--;
+				phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+				rc = 1;
+
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9078 BLKGRD: Injecting apptag error: "
+					"read lba x%lx\n", (unsigned long)lba);
+			}
+		}
+	}
+
+	/* Should we change the Guard Tag */
+
+	/*
+	 * If we are SCSI_PROT_WRITE_INSERT, the protection data is
+	 * being on the wire is being fully generated on the HBA.
+	 * The host cannot change it or force an error.
+	 */
+	if (((op == SCSI_PROT_WRITE_STRIP) ||
+		(op == SCSI_PROT_WRITE_PASS)) &&
+		phba->lpfc_injerr_wgrd_cnt) {
+		if (sgpe) {
+			src = (struct scsi_dif_tuple *)sg_virt(sgpe);
+			/*
+			 * Just inject an error in the first
+			 * prot block.
+			 */
+			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+				"9079 BLKGRD: Injecting guard error: "
+				"write lba x%lx oldGuard x%x refTag x%x\n",
+				(unsigned long)lba, src->guard_tag,
+				src->ref_tag);
+
+			src->guard_tag = (uint16_t)new_guard;
+			phba->lpfc_injerr_wgrd_cnt--;
+			phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+			rc = 1;
+
+		} else {
+			blksize = lpfc_cmd_blksize(sc);
+			/*
+			 * Jump past the first data block
+			 * and inject an error in the
+			 * prot data. The prot data is already
+			 * embedded after the regular data.
+			 */
+			src = (struct scsi_dif_tuple *)
+					(sg_virt(sgde) + blksize);
+
+			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+				"9080 BLKGRD: Injecting guard error: "
+				"write lba x%lx oldGuard x%x refTag x%x\n",
+				(unsigned long)lba, src->guard_tag,
+				src->ref_tag);
+
+			src->guard_tag = (uint16_t)new_guard;
+			phba->lpfc_injerr_wgrd_cnt--;
+			phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
+			rc = 1;
+		}
+	}
+	return rc;
+}
+#endif
+
 /*
  * Given a scsi cmnd, determine the BlockGuard opcodes to be used with it
  * @sc: The SCSI command to examine
@@ -1341,18 +1516,6 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 	return ret;
 }
 
-struct scsi_dif_tuple {
-	__be16 guard_tag;       /* Checksum */
-	__be16 app_tag;         /* Opaque storage */
-	__be32 ref_tag;         /* Target LBA or indirect LBA */
-};
-
-static inline unsigned
-lpfc_cmd_blksize(struct scsi_cmnd *sc)
-{
-	return sc->device->sector_size;
-}
-
 /*
  * This function sets up buffer list for protection groups of
  * type LPFC_PG_TYPE_NO_DIF
@@ -1401,6 +1564,11 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 	blksize = lpfc_cmd_blksize(sc);
 	reftag = scsi_get_lba(sc) & 0xffffffff;
 
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+	/* reftag is the only error we can inject here */
+	lpfc_bg_err_inject(phba, sc, &reftag, 0, 0);
+#endif
+
 	/* setup PDE5 with what we have */
 	pde5 = (struct lpfc_pde5 *) bpl;
 	memset(pde5, 0, sizeof(struct lpfc_pde5));
@@ -1532,6 +1700,11 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 	blksize = lpfc_cmd_blksize(sc);
 	reftag = scsi_get_lba(sc) & 0xffffffff;
 
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+	/* reftag / guard tag are the only errors we can inject here */
+	lpfc_bg_err_inject(phba, sc, &reftag, 0, 0xDEAD);
+#endif
+
 	split_offset = 0;
 	do {
 		/* setup PDE5 with what we have */
@@ -1671,7 +1844,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 		}
 
 	} while (!alldone);
-
 out:
 
 	return num_bde;
@@ -2075,6 +2247,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 			else
 				bf_set(lpfc_sli4_sge_last, sgl, 0);
 			bf_set(lpfc_sli4_sge_offset, sgl, dma_offset);
+			bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA);
 			sgl->word2 = cpu_to_le32(sgl->word2);
 			sgl->sge_len = cpu_to_le32(dma_len);
 			dma_offset += dma_len;
@@ -2325,8 +2498,9 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 	}
 	lp = (uint32_t *)cmnd->sense_buffer;
 
-	if (!scsi_status && (resp_info & RESID_UNDER))
-		logit = LOG_FCP;
+	if (!scsi_status && (resp_info & RESID_UNDER) &&
+		vport->cfg_log_verbose & LOG_FCP_UNDER)
+		logit = LOG_FCP_UNDER;
 
 	lpfc_printf_vlog(vport, KERN_WARNING, logit,
 			 "9024 FCP command x%x failed: x%x SNS x%x x%x "
@@ -2342,7 +2516,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 	if (resp_info & RESID_UNDER) {
 		scsi_set_resid(cmnd, be32_to_cpu(fcprsp->rspResId));
 
-		lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP_UNDER,
 				 "9025 FCP Read Underrun, expected %d, "
 				 "residual %d Data: x%x x%x x%x\n",
 				 be32_to_cpu(fcpcmd->fcpDl),
@@ -2449,6 +2623,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	struct lpfc_fast_path_event *fast_path_evt;
 	struct Scsi_Host *shost;
 	uint32_t queue_depth, scsi_id;
+	uint32_t logit = LOG_FCP;
 
 	/* Sanity check on return of outstanding command */
 	if (!(lpfc_cmd->pCmd))
@@ -2470,16 +2645,22 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 			lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
 		else if (lpfc_cmd->status >= IOSTAT_CNT)
 			lpfc_cmd->status = IOSTAT_DEFAULT;
-
-		lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
-				 "9030 FCP cmd x%x failed <%d/%d> "
-				 "status: x%x result: x%x Data: x%x x%x\n",
-				 cmd->cmnd[0],
-				 cmd->device ? cmd->device->id : 0xffff,
-				 cmd->device ? cmd->device->lun : 0xffff,
-				 lpfc_cmd->status, lpfc_cmd->result,
-				 pIocbOut->iocb.ulpContext,
-				 lpfc_cmd->cur_iocbq.iocb.ulpIoTag);
+		if (lpfc_cmd->status == IOSTAT_FCP_RSP_ERROR
+			&& !lpfc_cmd->fcp_rsp->rspStatus3
+			&& (lpfc_cmd->fcp_rsp->rspStatus2 & RESID_UNDER)
+			&& !(phba->cfg_log_verbose & LOG_FCP_UNDER))
+			logit = 0;
+		else
+			logit = LOG_FCP | LOG_FCP_UNDER;
+		lpfc_printf_vlog(vport, KERN_WARNING, logit,
+			 "9030 FCP cmd x%x failed <%d/%d> "
+			 "status: x%x result: x%x Data: x%x x%x\n",
+			 cmd->cmnd[0],
+			 cmd->device ? cmd->device->id : 0xffff,
+			 cmd->device ? cmd->device->lun : 0xffff,
+			 lpfc_cmd->status, lpfc_cmd->result,
+			 pIocbOut->iocb.ulpContext,
+			 lpfc_cmd->cur_iocbq.iocb.ulpIoTag);
 
 		switch (lpfc_cmd->status) {
 		case IOSTAT_FCP_RSP_ERROR:
@@ -3056,8 +3237,9 @@ lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	}
 	ndlp = rdata->pnode;
 
-	if (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
-		scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) {
+	if ((scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) &&
+		(!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) ||
+		(phba->sli_rev == LPFC_SLI_REV4))) {
 
 		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
 				"9058 BLKGRD: ERROR: rcvd protected cmd:%02x"
@@ -3691,9 +3873,9 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
 	fc_host_post_vendor_event(shost, fc_get_event_number(),
 		sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID);
 
-	ret = fc_block_scsi_eh(cmnd);
-	if (ret)
-		return ret;
+	status = fc_block_scsi_eh(cmnd);
+	if (status)
+		return status;
 
 	/*
 	 * Since the driver manages a single bus device, reset all
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8b799f047a99..4d4104f38c98 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -379,10 +379,10 @@ lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
 	dq->host_index = ((dq->host_index + 1) % dq->entry_count);
 
 	/* Ring The Header Receive Queue Doorbell */
-	if (!(hq->host_index % LPFC_RQ_POST_BATCH)) {
+	if (!(hq->host_index % hq->entry_repost)) {
 		doorbell.word0 = 0;
 		bf_set(lpfc_rq_doorbell_num_posted, &doorbell,
-		       LPFC_RQ_POST_BATCH);
+		       hq->entry_repost);
 		bf_set(lpfc_rq_doorbell_id, &doorbell, hq->queue_id);
 		writel(doorbell.word0, hq->phba->sli4_hba.RQDBregaddr);
 	}
@@ -1864,7 +1864,7 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
 {
 	if (phba->sli_rev == LPFC_SLI_REV4)
 		return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
-					 lpfc_hbq_defs[qno]->entry_count);
+					lpfc_hbq_defs[qno]->entry_count);
 	else
 		return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
 					 lpfc_hbq_defs[qno]->init_count);
@@ -2200,10 +2200,13 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
 			/* Unknown mailbox command compl */
 			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
 					"(%d):0323 Unknown Mailbox command "
-					"x%x (x%x) Cmpl\n",
+					"x%x (x%x/x%x) Cmpl\n",
 					pmb->vport ? pmb->vport->vpi : 0,
 					pmbox->mbxCommand,
-					lpfc_sli4_mbox_opcode_get(phba, pmb));
+					lpfc_sli_config_mbox_subsys_get(phba,
+									pmb),
+					lpfc_sli_config_mbox_opcode_get(phba,
+									pmb));
 			phba->link_state = LPFC_HBA_ERROR;
 			phba->work_hs = HS_FFER3;
 			lpfc_handle_eratt(phba);
@@ -2215,17 +2218,19 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
 			if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) {
 				/* Mbox cmd cmpl error - RETRYing */
 				lpfc_printf_log(phba, KERN_INFO,
-						LOG_MBOX | LOG_SLI,
-						"(%d):0305 Mbox cmd cmpl "
-						"error - RETRYing Data: x%x "
-						"(x%x) x%x x%x x%x\n",
-						pmb->vport ? pmb->vport->vpi :0,
-						pmbox->mbxCommand,
-						lpfc_sli4_mbox_opcode_get(phba,
-									  pmb),
-						pmbox->mbxStatus,
-						pmbox->un.varWords[0],
-						pmb->vport->port_state);
+					LOG_MBOX | LOG_SLI,
+					"(%d):0305 Mbox cmd cmpl "
+					"error - RETRYing Data: x%x "
+					"(x%x/x%x) x%x x%x x%x\n",
+					pmb->vport ? pmb->vport->vpi : 0,
+					pmbox->mbxCommand,
+					lpfc_sli_config_mbox_subsys_get(phba,
+									pmb),
+					lpfc_sli_config_mbox_opcode_get(phba,
+									pmb),
+					pmbox->mbxStatus,
+					pmbox->un.varWords[0],
+					pmb->vport->port_state);
 				pmbox->mbxStatus = 0;
 				pmbox->mbxOwner = OWN_HOST;
 				rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
@@ -2236,11 +2241,12 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
 
 		/* Mailbox cmd <cmd> Cmpl <cmpl> */
 		lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
-				"(%d):0307 Mailbox cmd x%x (x%x) Cmpl x%p "
+				"(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p "
 				"Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n",
 				pmb->vport ? pmb->vport->vpi : 0,
 				pmbox->mbxCommand,
-				lpfc_sli4_mbox_opcode_get(phba, pmb),
+				lpfc_sli_config_mbox_subsys_get(phba, pmb),
+				lpfc_sli_config_mbox_opcode_get(phba, pmb),
 				pmb->mbox_cmpl,
 				*((uint32_t *) pmbox),
 				pmbox->un.varWords[0],
@@ -4686,6 +4692,175 @@ lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 }
 
 /**
+ * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine retrieves SLI4 device physical port name this PCI function
+ * is attached to.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      otherwise - failed to retrieve physical port name
+ **/
+static int
+lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *mboxq;
+	struct lpfc_mbx_read_config *rd_config;
+	struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr;
+	struct lpfc_controller_attribute *cntl_attr;
+	struct lpfc_mbx_get_port_name *get_port_name;
+	void *virtaddr = NULL;
+	uint32_t alloclen, reqlen;
+	uint32_t shdr_status, shdr_add_status;
+	union lpfc_sli4_cfg_shdr *shdr;
+	char cport_name = 0;
+	int rc;
+
+	/* We assume nothing at this point */
+	phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL;
+	phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON;
+
+	mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq)
+		return -ENOMEM;
+
+	/* obtain link type and link number via READ_CONFIG */
+	lpfc_read_config(phba, mboxq);
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	if (rc == MBX_SUCCESS) {
+		rd_config = &mboxq->u.mqe.un.rd_config;
+		if (bf_get(lpfc_mbx_rd_conf_lnk_ldv, rd_config)) {
+			phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
+			phba->sli4_hba.lnk_info.lnk_tp =
+				bf_get(lpfc_mbx_rd_conf_lnk_type, rd_config);
+			phba->sli4_hba.lnk_info.lnk_no =
+				bf_get(lpfc_mbx_rd_conf_lnk_numb, rd_config);
+			lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+					"3081 lnk_type:%d, lnk_numb:%d\n",
+					phba->sli4_hba.lnk_info.lnk_tp,
+					phba->sli4_hba.lnk_info.lnk_no);
+			goto retrieve_ppname;
+		} else
+			lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+					"3082 Mailbox (x%x) returned ldv:x0\n",
+					bf_get(lpfc_mqe_command,
+					       &mboxq->u.mqe));
+	} else
+		lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+				"3083 Mailbox (x%x) failed, status:x%x\n",
+				bf_get(lpfc_mqe_command, &mboxq->u.mqe),
+				bf_get(lpfc_mqe_status, &mboxq->u.mqe));
+
+	/* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */
+	reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes);
+	alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+			LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen,
+			LPFC_SLI4_MBX_NEMBED);
+	if (alloclen < reqlen) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"3084 Allocated DMA memory size (%d) is "
+				"less than the requested DMA memory size "
+				"(%d)\n", alloclen, reqlen);
+		rc = -ENOMEM;
+		goto out_free_mboxq;
+	}
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	virtaddr = mboxq->sge_array->addr[0];
+	mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr;
+	shdr = &mbx_cntl_attr->cfg_shdr;
+	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
+	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
+	if (shdr_status || shdr_add_status || rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+				"3085 Mailbox x%x (x%x/x%x) failed, "
+				"rc:x%x, status:x%x, add_status:x%x\n",
+				bf_get(lpfc_mqe_command, &mboxq->u.mqe),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
+				rc, shdr_status, shdr_add_status);
+		rc = -ENXIO;
+		goto out_free_mboxq;
+	}
+	cntl_attr = &mbx_cntl_attr->cntl_attr;
+	phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
+	phba->sli4_hba.lnk_info.lnk_tp =
+		bf_get(lpfc_cntl_attr_lnk_type, cntl_attr);
+	phba->sli4_hba.lnk_info.lnk_no =
+		bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr);
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+			"3086 lnk_type:%d, lnk_numb:%d\n",
+			phba->sli4_hba.lnk_info.lnk_tp,
+			phba->sli4_hba.lnk_info.lnk_no);
+
+retrieve_ppname:
+	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+		LPFC_MBOX_OPCODE_GET_PORT_NAME,
+		sizeof(struct lpfc_mbx_get_port_name) -
+		sizeof(struct lpfc_sli4_cfg_mhdr),
+		LPFC_SLI4_MBX_EMBED);
+	get_port_name = &mboxq->u.mqe.un.get_port_name;
+	shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr;
+	bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1);
+	bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request,
+		phba->sli4_hba.lnk_info.lnk_tp);
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
+	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
+	if (shdr_status || shdr_add_status || rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+				"3087 Mailbox x%x (x%x/x%x) failed: "
+				"rc:x%x, status:x%x, add_status:x%x\n",
+				bf_get(lpfc_mqe_command, &mboxq->u.mqe),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
+				rc, shdr_status, shdr_add_status);
+		rc = -ENXIO;
+		goto out_free_mboxq;
+	}
+	switch (phba->sli4_hba.lnk_info.lnk_no) {
+	case LPFC_LINK_NUMBER_0:
+		cport_name = bf_get(lpfc_mbx_get_port_name_name0,
+				&get_port_name->u.response);
+		phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
+		break;
+	case LPFC_LINK_NUMBER_1:
+		cport_name = bf_get(lpfc_mbx_get_port_name_name1,
+				&get_port_name->u.response);
+		phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
+		break;
+	case LPFC_LINK_NUMBER_2:
+		cport_name = bf_get(lpfc_mbx_get_port_name_name2,
+				&get_port_name->u.response);
+		phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
+		break;
+	case LPFC_LINK_NUMBER_3:
+		cport_name = bf_get(lpfc_mbx_get_port_name_name3,
+				&get_port_name->u.response);
+		phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
+		break;
+	default:
+		break;
+	}
+
+	if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) {
+		phba->Port[0] = cport_name;
+		phba->Port[1] = '\0';
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"3091 SLI get port name: %s\n", phba->Port);
+	}
+
+out_free_mboxq:
+	if (rc != MBX_TIMEOUT) {
+		if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG)
+			lpfc_sli4_mbox_cmd_free(phba, mboxq);
+		else
+			mempool_free(mboxq, phba->mbox_mem_pool);
+	}
+	return rc;
+}
+
+/**
  * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues
  * @phba: pointer to lpfc hba data structure.
  *
@@ -4754,7 +4929,7 @@ lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type,
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 	if (unlikely(rc)) {
@@ -4911,7 +5086,7 @@ lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t *extnt_cnt,
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 
@@ -5194,7 +5369,7 @@ lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type)
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox_tmo);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 	if (unlikely(rc)) {
@@ -5619,7 +5794,7 @@ lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type,
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 
@@ -5748,6 +5923,17 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 		kfree(vpd);
 		goto out_free_mbox;
 	}
+
+	/*
+	 * Retrieve sli4 device physical port name, failure of doing it
+	 * is considered as non-fatal.
+	 */
+	rc = lpfc_sli4_retrieve_pport_name(phba);
+	if (!rc)
+		lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
+				"3080 Successful retrieving SLI4 device "
+				"physical port name: %s.\n", phba->Port);
+
 	/*
 	 * Evaluate the read rev and vpd data. Populate the driver
 	 * state with the results. If this routine fails, the failure
@@ -5818,9 +6004,13 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 	 * then turn off the global config parameters to disable the
 	 * feature in the driver.  This is not a fatal error.
 	 */
-	if ((phba->cfg_enable_bg) &&
-	    !(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)))
-		ftr_rsp++;
+	phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED;
+	if (phba->cfg_enable_bg) {
+		if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))
+			phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
+		else
+			ftr_rsp++;
+	}
 
 	if (phba->max_vpi && phba->cfg_enable_npiv &&
 	    !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs)))
@@ -5937,12 +6127,20 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 		goto out_free_mbox;
 	}
 
+	/* Create all the SLI4 queues */
+	rc = lpfc_sli4_queue_create(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"3089 Failed to allocate queues\n");
+		rc = -ENODEV;
+		goto out_stop_timers;
+	}
 	/* Set up all the queues to the device */
 	rc = lpfc_sli4_queue_setup(phba);
 	if (unlikely(rc)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
 				"0381 Error %d during queue setup.\n ", rc);
-		goto out_stop_timers;
+		goto out_destroy_queue;
 	}
 
 	/* Arm the CQs and then EQs on device */
@@ -6015,15 +6213,20 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 	spin_lock_irq(&phba->hbalock);
 	phba->link_state = LPFC_LINK_DOWN;
 	spin_unlock_irq(&phba->hbalock);
-	if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK)
+	if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
 		rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
+		if (rc)
+			goto out_unset_queue;
+	}
+	mempool_free(mboxq, phba->mbox_mem_pool);
+	return rc;
 out_unset_queue:
 	/* Unset all the queues set up in this routine when error out */
-	if (rc)
-		lpfc_sli4_queue_unset(phba);
+	lpfc_sli4_queue_unset(phba);
+out_destroy_queue:
+	lpfc_sli4_queue_destroy(phba);
 out_stop_timers:
-	if (rc)
-		lpfc_stop_hba_timers(phba);
+	lpfc_stop_hba_timers(phba);
 out_free_mbox:
 	mempool_free(mboxq, phba->mbox_mem_pool);
 	return rc;
@@ -6318,7 +6521,7 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
 		}
 		/* timeout active mbox command */
 		mod_timer(&psli->mbox_tmo, (jiffies +
-			       (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand))));
+			       (HZ * lpfc_mbox_tmo_val(phba, pmbox))));
 	}
 
 	/* Mailbox cmd <cmd> issue */
@@ -6442,9 +6645,8 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
 						       drvr_flag);
 			goto out_not_finished;
 		}
-		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
-							     mb->mbxCommand) *
-					   1000) + jiffies;
+		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) *
+							1000) + jiffies;
 		i = 0;
 		/* Wait for command to complete */
 		while (((word0 & OWN_CHIP) == OWN_CHIP) ||
@@ -6555,21 +6757,21 @@ static int
 lpfc_sli4_async_mbox_block(struct lpfc_hba *phba)
 {
 	struct lpfc_sli *psli = &phba->sli;
-	uint8_t actcmd = MBX_HEARTBEAT;
 	int rc = 0;
-	unsigned long timeout;
+	unsigned long timeout = 0;
 
 	/* Mark the asynchronous mailbox command posting as blocked */
 	spin_lock_irq(&phba->hbalock);
 	psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
-	if (phba->sli.mbox_active)
-		actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
-	spin_unlock_irq(&phba->hbalock);
 	/* Determine how long we might wait for the active mailbox
 	 * command to be gracefully completed by firmware.
 	 */
-	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, actcmd) * 1000) +
-				   jiffies;
+	if (phba->sli.mbox_active)
+		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
+						phba->sli.mbox_active) *
+						1000) + jiffies;
+	spin_unlock_irq(&phba->hbalock);
+
 	/* Wait for the outstnading mailbox command to complete */
 	while (phba->sli.mbox_active) {
 		/* Check active mailbox complete status every 2ms */
@@ -6664,11 +6866,12 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
 		spin_unlock_irqrestore(&phba->hbalock, iflag);
 		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
-				"(%d):2532 Mailbox command x%x (x%x) "
+				"(%d):2532 Mailbox command x%x (x%x/x%x) "
 				"cannot issue Data: x%x x%x\n",
 				mboxq->vport ? mboxq->vport->vpi : 0,
 				mboxq->u.mb.mbxCommand,
-				lpfc_sli4_mbox_opcode_get(phba, mboxq),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 				psli->sli_flag, MBX_POLL);
 		return MBXERR_ERROR;
 	}
@@ -6691,7 +6894,7 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	dma_address = &phba->sli4_hba.bmbx.dma_address;
 	writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr);
 
-	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mbx_cmnd)
+	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq)
 				   * 1000) + jiffies;
 	do {
 		bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr);
@@ -6707,7 +6910,7 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 
 	/* Post the low mailbox dma address to the port. */
 	writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr);
-	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mbx_cmnd)
+	timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq)
 				   * 1000) + jiffies;
 	do {
 		bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr);
@@ -6746,11 +6949,12 @@ lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		lpfc_sli4_swap_str(phba, mboxq);
 
 	lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
-			"(%d):0356 Mailbox cmd x%x (x%x) Status x%x "
+			"(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x "
 			"Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x"
 			" x%x x%x CQ: x%x x%x x%x x%x\n",
-			mboxq->vport ? mboxq->vport->vpi : 0,
-			mbx_cmnd, lpfc_sli4_mbox_opcode_get(phba, mboxq),
+			mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd,
+			lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+			lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 			bf_get(lpfc_mqe_status, mb),
 			mb->un.mb_words[0], mb->un.mb_words[1],
 			mb->un.mb_words[2], mb->un.mb_words[3],
@@ -6796,11 +7000,12 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 	rc = lpfc_mbox_dev_check(phba);
 	if (unlikely(rc)) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
-				"(%d):2544 Mailbox command x%x (x%x) "
+				"(%d):2544 Mailbox command x%x (x%x/x%x) "
 				"cannot issue Data: x%x x%x\n",
 				mboxq->vport ? mboxq->vport->vpi : 0,
 				mboxq->u.mb.mbxCommand,
-				lpfc_sli4_mbox_opcode_get(phba, mboxq),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 				psli->sli_flag, flag);
 		goto out_not_finished;
 	}
@@ -6814,20 +7019,25 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 		if (rc != MBX_SUCCESS)
 			lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
 					"(%d):2541 Mailbox command x%x "
-					"(x%x) cannot issue Data: x%x x%x\n",
+					"(x%x/x%x) cannot issue Data: "
+					"x%x x%x\n",
 					mboxq->vport ? mboxq->vport->vpi : 0,
 					mboxq->u.mb.mbxCommand,
-					lpfc_sli4_mbox_opcode_get(phba, mboxq),
+					lpfc_sli_config_mbox_subsys_get(phba,
+									mboxq),
+					lpfc_sli_config_mbox_opcode_get(phba,
+									mboxq),
 					psli->sli_flag, flag);
 		return rc;
 	} else if (flag == MBX_POLL) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
 				"(%d):2542 Try to issue mailbox command "
-				"x%x (x%x) synchronously ahead of async"
+				"x%x (x%x/x%x) synchronously ahead of async"
 				"mailbox command queue: x%x x%x\n",
 				mboxq->vport ? mboxq->vport->vpi : 0,
 				mboxq->u.mb.mbxCommand,
-				lpfc_sli4_mbox_opcode_get(phba, mboxq),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 				psli->sli_flag, flag);
 		/* Try to block the asynchronous mailbox posting */
 		rc = lpfc_sli4_async_mbox_block(phba);
@@ -6836,16 +7046,18 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 			rc = lpfc_sli4_post_sync_mbox(phba, mboxq);
 			if (rc != MBX_SUCCESS)
 				lpfc_printf_log(phba, KERN_ERR,
-						LOG_MBOX | LOG_SLI,
-						"(%d):2597 Mailbox command "
-						"x%x (x%x) cannot issue "
-						"Data: x%x x%x\n",
-						mboxq->vport ?
-						mboxq->vport->vpi : 0,
-						mboxq->u.mb.mbxCommand,
-						lpfc_sli4_mbox_opcode_get(phba,
-								mboxq),
-						psli->sli_flag, flag);
+					LOG_MBOX | LOG_SLI,
+					"(%d):2597 Mailbox command "
+					"x%x (x%x/x%x) cannot issue "
+					"Data: x%x x%x\n",
+					mboxq->vport ?
+					mboxq->vport->vpi : 0,
+					mboxq->u.mb.mbxCommand,
+					lpfc_sli_config_mbox_subsys_get(phba,
+									mboxq),
+					lpfc_sli_config_mbox_opcode_get(phba,
+									mboxq),
+					psli->sli_flag, flag);
 			/* Unblock the async mailbox posting afterward */
 			lpfc_sli4_async_mbox_unblock(phba);
 		}
@@ -6856,11 +7068,12 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 	rc = lpfc_mbox_cmd_check(phba, mboxq);
 	if (rc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
-				"(%d):2543 Mailbox command x%x (x%x) "
+				"(%d):2543 Mailbox command x%x (x%x/x%x) "
 				"cannot issue Data: x%x x%x\n",
 				mboxq->vport ? mboxq->vport->vpi : 0,
 				mboxq->u.mb.mbxCommand,
-				lpfc_sli4_mbox_opcode_get(phba, mboxq),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 				psli->sli_flag, flag);
 		goto out_not_finished;
 	}
@@ -6872,10 +7085,11 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
 	spin_unlock_irqrestore(&phba->hbalock, iflags);
 	lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
 			"(%d):0354 Mbox cmd issue - Enqueue Data: "
-			"x%x (x%x) x%x x%x x%x\n",
+			"x%x (x%x/x%x) x%x x%x x%x\n",
 			mboxq->vport ? mboxq->vport->vpi : 0xffffff,
 			bf_get(lpfc_mqe_command, &mboxq->u.mqe),
-			lpfc_sli4_mbox_opcode_get(phba, mboxq),
+			lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+			lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 			phba->pport->port_state,
 			psli->sli_flag, MBX_NOWAIT);
 	/* Wake up worker thread to transport mailbox command from head */
@@ -6952,13 +7166,14 @@ lpfc_sli4_post_async_mbox(struct lpfc_hba *phba)
 
 	/* Start timer for the mbox_tmo and log some mailbox post messages */
 	mod_timer(&psli->mbox_tmo, (jiffies +
-		  (HZ * lpfc_mbox_tmo_val(phba, mbx_cmnd))));
+		  (HZ * lpfc_mbox_tmo_val(phba, mboxq))));
 
 	lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
-			"(%d):0355 Mailbox cmd x%x (x%x) issue Data: "
+			"(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: "
 			"x%x x%x\n",
 			mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd,
-			lpfc_sli4_mbox_opcode_get(phba, mboxq),
+			lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+			lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 			phba->pport->port_state, psli->sli_flag);
 
 	if (mbx_cmnd != MBX_HEARTBEAT) {
@@ -6982,11 +7197,12 @@ lpfc_sli4_post_async_mbox(struct lpfc_hba *phba)
 	rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe);
 	if (rc != MBX_SUCCESS) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
-				"(%d):2533 Mailbox command x%x (x%x) "
+				"(%d):2533 Mailbox command x%x (x%x/x%x) "
 				"cannot issue Data: x%x x%x\n",
 				mboxq->vport ? mboxq->vport->vpi : 0,
 				mboxq->u.mb.mbxCommand,
-				lpfc_sli4_mbox_opcode_get(phba, mboxq),
+				lpfc_sli_config_mbox_subsys_get(phba, mboxq),
+				lpfc_sli_config_mbox_opcode_get(phba, mboxq),
 				psli->sli_flag, MBX_NOWAIT);
 		goto out_not_finished;
 	}
@@ -7322,6 +7538,8 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
 				if (inbound == 1)
 					offset = 0;
 				bf_set(lpfc_sli4_sge_offset, sgl, offset);
+				bf_set(lpfc_sli4_sge_type, sgl,
+					LPFC_SGE_TYPE_DATA);
 				offset += bde.tus.f.bdeSize;
 			}
 			sgl->word2 = cpu_to_le32(sgl->word2);
@@ -9359,7 +9577,6 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
 
 	/* now issue the command */
 	retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
-
 	if (retval == MBX_BUSY || retval == MBX_SUCCESS) {
 		wait_event_interruptible_timeout(done_q,
 				pmboxq->mbox_flag & LPFC_MBX_WAKE,
@@ -9403,23 +9620,24 @@ void
 lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba)
 {
 	struct lpfc_sli *psli = &phba->sli;
-	uint8_t actcmd = MBX_HEARTBEAT;
 	unsigned long timeout;
 
+	timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
 	spin_lock_irq(&phba->hbalock);
 	psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
 	spin_unlock_irq(&phba->hbalock);
 
 	if (psli->sli_flag & LPFC_SLI_ACTIVE) {
 		spin_lock_irq(&phba->hbalock);
-		if (phba->sli.mbox_active)
-			actcmd = phba->sli.mbox_active->u.mb.mbxCommand;
-		spin_unlock_irq(&phba->hbalock);
 		/* Determine how long we might wait for the active mailbox
 		 * command to be gracefully completed by firmware.
 		 */
-		timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, actcmd) *
-					   1000) + jiffies;
+		if (phba->sli.mbox_active)
+			timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
+						phba->sli.mbox_active) *
+						1000) + jiffies;
+		spin_unlock_irq(&phba->hbalock);
+
 		while (phba->sli.mbox_active) {
 			/* Check active mailbox complete status every 2ms */
 			msleep(2);
@@ -10415,12 +10633,17 @@ lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe)
 	/* Move mbox data to caller's mailbox region, do endian swapping */
 	if (pmb->mbox_cmpl && mbox)
 		lpfc_sli_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe));
-	/* Set the mailbox status with SLI4 range 0x4000 */
-	mcqe_status = bf_get(lpfc_mcqe_status, mcqe);
-	if (mcqe_status != MB_CQE_STATUS_SUCCESS)
-		bf_set(lpfc_mqe_status, mqe,
-		       (LPFC_MBX_ERROR_RANGE | mcqe_status));
 
+	/*
+	 * For mcqe errors, conditionally move a modified error code to
+	 * the mbox so that the error will not be missed.
+	 */
+	mcqe_status = bf_get(lpfc_mcqe_status, mcqe);
+	if (mcqe_status != MB_CQE_STATUS_SUCCESS) {
+		if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS)
+			bf_set(lpfc_mqe_status, mqe,
+			       (LPFC_MBX_ERROR_RANGE | mcqe_status));
+	}
 	if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
 		pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG;
 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT,
@@ -10796,7 +11019,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
 	case LPFC_MCQ:
 		while ((cqe = lpfc_sli4_cq_get(cq))) {
 			workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe);
-			if (!(++ecount % LPFC_GET_QE_REL_INT))
+			if (!(++ecount % cq->entry_repost))
 				lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
 		}
 		break;
@@ -10808,7 +11031,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
 			else
 				workposted |= lpfc_sli4_sp_handle_cqe(phba, cq,
 								      cqe);
-			if (!(++ecount % LPFC_GET_QE_REL_INT))
+			if (!(++ecount % cq->entry_repost))
 				lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
 		}
 		break;
@@ -11040,7 +11263,7 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
 	/* Process all the entries to the CQ */
 	while ((cqe = lpfc_sli4_cq_get(cq))) {
 		workposted |= lpfc_sli4_fp_handle_wcqe(phba, cq, cqe);
-		if (!(++ecount % LPFC_GET_QE_REL_INT))
+		if (!(++ecount % cq->entry_repost))
 			lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
 	}
 
@@ -11110,6 +11333,8 @@ lpfc_sli4_sp_intr_handler(int irq, void *dev_id)
 
 	/* Get to the EQ struct associated with this vector */
 	speq = phba->sli4_hba.sp_eq;
+	if (unlikely(!speq))
+		return IRQ_NONE;
 
 	/* Check device state for handling interrupt */
 	if (unlikely(lpfc_intr_state_check(phba))) {
@@ -11127,7 +11352,7 @@ lpfc_sli4_sp_intr_handler(int irq, void *dev_id)
 	 */
 	while ((eqe = lpfc_sli4_eq_get(speq))) {
 		lpfc_sli4_sp_handle_eqe(phba, eqe);
-		if (!(++ecount % LPFC_GET_QE_REL_INT))
+		if (!(++ecount % speq->entry_repost))
 			lpfc_sli4_eq_release(speq, LPFC_QUEUE_NOARM);
 	}
 
@@ -11187,6 +11412,8 @@ lpfc_sli4_fp_intr_handler(int irq, void *dev_id)
 
 	if (unlikely(!phba))
 		return IRQ_NONE;
+	if (unlikely(!phba->sli4_hba.fp_eq))
+		return IRQ_NONE;
 
 	/* Get to the EQ struct associated with this vector */
 	fpeq = phba->sli4_hba.fp_eq[fcp_eqidx];
@@ -11207,7 +11434,7 @@ lpfc_sli4_fp_intr_handler(int irq, void *dev_id)
 	 */
 	while ((eqe = lpfc_sli4_eq_get(fpeq))) {
 		lpfc_sli4_fp_handle_eqe(phba, eqe, fcp_eqidx);
-		if (!(++ecount % LPFC_GET_QE_REL_INT))
+		if (!(++ecount % fpeq->entry_repost))
 			lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_NOARM);
 	}
 
@@ -11359,6 +11586,15 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
 	}
 	queue->entry_size = entry_size;
 	queue->entry_count = entry_count;
+
+	/*
+	 * entry_repost is calculated based on the number of entries in the
+	 * queue. This works out except for RQs. If buffers are NOT initially
+	 * posted for every RQE, entry_repost should be adjusted accordingly.
+	 */
+	queue->entry_repost = (entry_count >> 3);
+	if (queue->entry_repost < LPFC_QUEUE_MIN_REPOST)
+		queue->entry_repost = LPFC_QUEUE_MIN_REPOST;
 	queue->phba = phba;
 
 	return queue;
@@ -11924,6 +12160,31 @@ out:
 }
 
 /**
+ * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ
+ * @phba: HBA structure that indicates port to create a queue on.
+ * @rq:   The queue structure to use for the receive queue.
+ * @qno:  The associated HBQ number
+ *
+ *
+ * For SLI4 we need to adjust the RQ repost value based on
+ * the number of buffers that are initially posted to the RQ.
+ */
+void
+lpfc_rq_adjust_repost(struct lpfc_hba *phba, struct lpfc_queue *rq, int qno)
+{
+	uint32_t cnt;
+
+	cnt = lpfc_hbq_defs[qno]->entry_count;
+
+	/* Recalc repost for RQs based on buffers initially posted */
+	cnt = (cnt >> 3);
+	if (cnt < LPFC_QUEUE_MIN_REPOST)
+		cnt = LPFC_QUEUE_MIN_REPOST;
+
+	rq->entry_repost = cnt;
+}
+
+/**
  * lpfc_rq_create - Create a Receive Queue on the HBA
  * @phba: HBA structure that indicates port to create a queue on.
  * @hrq: The queue structure to use to create the header receive queue.
@@ -12489,7 +12750,7 @@ lpfc_sli4_post_sgl(struct lpfc_hba *phba,
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 	/* The IOCTL status is embedded in the mailbox subheader. */
@@ -12704,7 +12965,7 @@ lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba)
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 	shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr;
@@ -12867,7 +13128,7 @@ lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba)
 		if (!phba->sli4_hba.intr_enable)
 			rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 		else {
-			mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+			mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 			rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 		}
 		shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr;
@@ -12991,7 +13252,7 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, struct list_head *sblist,
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 	shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr;
@@ -13147,7 +13408,7 @@ lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *phba, struct list_head *sblist,
 		if (!phba->sli4_hba.intr_enable)
 			rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 		else {
-			mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+			mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 			rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 		}
 		shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr;
@@ -13296,7 +13557,8 @@ lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr,
 	uint32_t did = (fc_hdr->fh_d_id[0] << 16 |
 			fc_hdr->fh_d_id[1] << 8 |
 			fc_hdr->fh_d_id[2]);
-
+	if (did == Fabric_DID)
+		return phba->pport;
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL)
 		for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
@@ -14312,7 +14574,7 @@ lpfc_sli4_init_vpi(struct lpfc_vport *vport)
 	if (!mboxq)
 		return -ENOMEM;
 	lpfc_init_vpi(phba, mboxq, vport->vpi);
-	mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_INIT_VPI);
+	mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
 	rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
 	if (rc != MBX_SUCCESS) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
@@ -15188,7 +15450,7 @@ lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list,
 	if (!phba->sli4_hba.intr_enable)
 		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
 	else {
-		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
 		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
 	}
 	/* The IOCTL status is embedded in the mailbox subheader. */
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index a0075b0af142..29c13b63e323 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -293,13 +293,11 @@ struct lpfc_sli {
 	struct lpfc_lnk_stat lnk_stat_offsets;
 };
 
-#define LPFC_MBOX_TMO           30	/* Sec tmo for outstanding mbox
-					   command */
-#define LPFC_MBOX_SLI4_CONFIG_TMO 60	/* Sec tmo for outstanding mbox
-					   command */
-#define LPFC_MBOX_TMO_FLASH_CMD 300     /* Sec tmo for outstanding FLASH write
-					 * or erase cmds. This is especially
-					 * long because of the potential of
-					 * multiple flash erases that can be
-					 * spawned.
-					 */
+/* Timeout for normal outstanding mbox command (Seconds) */
+#define LPFC_MBOX_TMO				30
+/* Timeout for non-flash-based outstanding sli_config mbox command (Seconds) */
+#define LPFC_MBOX_SLI4_CONFIG_TMO		60
+/* Timeout for flash-based outstanding sli_config mbox command (Seconds) */
+#define LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO	300
+/* Timeout for other flash-based outstanding mbox command (Seconds) */
+#define LPFC_MBOX_TMO_FLASH_CMD			300
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 19bb87ae8597..d5cffd8af340 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -23,7 +23,6 @@
 #define LPFC_XRI_EXCH_BUSY_WAIT_T1   		10
 #define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
 #define LPFC_RELEASE_NOTIFICATION_INTERVAL	32
-#define LPFC_GET_QE_REL_INT			32
 #define LPFC_RPI_LOW_WATER_MARK			10
 
 #define LPFC_UNREG_FCF                          1
@@ -126,6 +125,8 @@ struct lpfc_queue {
 	struct list_head child_list;
 	uint32_t entry_count;	/* Number of entries to support on the queue */
 	uint32_t entry_size;	/* Size of each queue entry. */
+	uint32_t entry_repost;	/* Count of entries before doorbell is rung */
+#define LPFC_QUEUE_MIN_REPOST	8
 	uint32_t queue_id;	/* Queue ID assigned by the hardware */
 	uint32_t assoc_qid;     /* Queue ID associated with, for CQ/WQ/MQ */
 	struct list_head page_list;
@@ -388,6 +389,16 @@ struct lpfc_iov {
 	uint32_t vf_number;
 };
 
+struct lpfc_sli4_lnk_info {
+	uint8_t lnk_dv;
+#define LPFC_LNK_DAT_INVAL	0
+#define LPFC_LNK_DAT_VAL	1
+	uint8_t lnk_tp;
+#define LPFC_LNK_GE	0x0 /* FCoE */
+#define LPFC_LNK_FC	0x1 /* FC   */
+	uint8_t lnk_no;
+};
+
 /* SLI4 HBA data structure entries */
 struct lpfc_sli4_hba {
 	void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
@@ -503,6 +514,10 @@ struct lpfc_sli4_hba {
 	struct list_head sp_els_xri_aborted_work_queue;
 	struct list_head sp_unsol_work_queue;
 	struct lpfc_sli4_link link_state;
+	struct lpfc_sli4_lnk_info lnk_info;
+	uint32_t pport_name_sta;
+#define LPFC_SLI4_PPNAME_NON	0
+#define LPFC_SLI4_PPNAME_GET	1
 	struct lpfc_iov iov;
 	spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
 	spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
@@ -553,6 +568,7 @@ struct lpfc_rsrc_blks {
  * SLI4 specific function prototypes
  */
 int lpfc_pci_function_reset(struct lpfc_hba *);
+int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
 int lpfc_sli4_hba_setup(struct lpfc_hba *);
 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
 		     uint8_t, uint32_t, bool);
@@ -576,6 +592,7 @@ uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
 			struct lpfc_queue *, uint32_t);
 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
 			struct lpfc_queue *, struct lpfc_queue *, uint32_t);
+void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
@@ -632,5 +649,5 @@ void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 int lpfc_sli4_post_status_check(struct lpfc_hba *);
-uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
-
+uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
+uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index c1e0ae94d9f4..b0630e37f1ef 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.25"
+#define LPFC_DRIVER_VERSION "8.3.27"
 #define LPFC_DRIVER_NAME		"lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
 #define LPFC_FP_DRIVER_HANDLER_NAME	"lpfc:fp"
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 1feb551a57bc..cff6ca67415c 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -692,13 +692,14 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 			/* Indicate free memory when release */
 			NLP_SET_FREE_REQ(ndlp);
 		} else {
-			if (!NLP_CHK_NODE_ACT(ndlp))
+			if (!NLP_CHK_NODE_ACT(ndlp)) {
 				ndlp = lpfc_enable_node(vport, ndlp,
 						NLP_STE_UNUSED_NODE);
 				if (!ndlp)
 					goto skip_logo;
+			}
 
-			/* Remove ndlp from vport npld list */
+			/* Remove ndlp from vport list */
 			lpfc_dequeue_node(vport, ndlp);
 			spin_lock_irq(&phba->ndlp_lock);
 			if (!NLP_CHK_FREE_REQ(ndlp))
@@ -711,8 +712,17 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 			}
 			spin_unlock_irq(&phba->ndlp_lock);
 		}
-		if (!(vport->vpi_state & LPFC_VPI_REGISTERED))
+
+		/*
+		 * If the vpi is not registered, then a valid FDISC doesn't
+		 * exist and there is no need for a ELS LOGO.  Just cleanup
+		 * the ndlp.
+		 */
+		if (!(vport->vpi_state & LPFC_VPI_REGISTERED)) {
+			lpfc_nlp_put(ndlp);
 			goto skip_logo;
+		}
+
 		vport->unreg_vpi_cmpl = VPORT_INVAL;
 		timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
 		if (!lpfc_issue_els_npiv_logo(vport, ndlp))
diff --git a/drivers/scsi/mac_esp.c b/drivers/scsi/mac_esp.c
index 3893337e3dd3..590ce1ef2016 100644
--- a/drivers/scsi/mac_esp.c
+++ b/drivers/scsi/mac_esp.c
@@ -230,9 +230,6 @@ static void mac_esp_send_pdma_cmd(struct esp *esp, u32 addr, u32 esp_count,
 				  u32 dma_count, int write, u8 cmd)
 {
 	struct mac_esp_priv *mep = MAC_ESP_GET_PRIV(esp);
-	unsigned long flags;
-
-	local_irq_save(flags);
 
 	mep->error = 0;
 
@@ -270,8 +267,6 @@ static void mac_esp_send_pdma_cmd(struct esp *esp, u32 addr, u32 esp_count,
 			esp_count = n;
 		}
 	} while (esp_count);
-
-	local_irq_restore(flags);
 }
 
 /*
@@ -353,8 +348,6 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count,
 	struct mac_esp_priv *mep = MAC_ESP_GET_PRIV(esp);
 	u8 *fifo = esp->regs + ESP_FDATA * 16;
 
-	disable_irq(esp->host->irq);
-
 	cmd &= ~ESP_CMD_DMA;
 	mep->error = 0;
 
@@ -431,8 +424,6 @@ static void mac_esp_send_pio_cmd(struct esp *esp, u32 addr, u32 esp_count,
 			scsi_esp_cmd(esp, ESP_CMD_TI);
 		}
 	}
-
-	enable_irq(esp->host->irq);
 }
 
 static int mac_esp_irq_pending(struct esp *esp)
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 3948a00d81f4..dd94c7d574fb 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -33,9 +33,9 @@
 /*
  * MegaRAID SAS Driver meta data
  */
-#define MEGASAS_VERSION				"00.00.05.40-rc1"
-#define MEGASAS_RELDATE				"Jul. 26, 2011"
-#define MEGASAS_EXT_VERSION			"Tue. Jul. 26 17:00:00 PDT 2011"
+#define MEGASAS_VERSION				"00.00.06.12-rc1"
+#define MEGASAS_RELDATE				"Oct. 5, 2011"
+#define MEGASAS_EXT_VERSION			"Wed. Oct. 5 17:00:00 PDT 2011"
 
 /*
  * Device IDs
@@ -48,6 +48,7 @@
 #define	PCI_DEVICE_ID_LSI_SAS0073SKINNY		0x0073
 #define	PCI_DEVICE_ID_LSI_SAS0071SKINNY		0x0071
 #define	PCI_DEVICE_ID_LSI_FUSION		0x005b
+#define PCI_DEVICE_ID_LSI_INVADER		0x005d
 
 /*
  * =====================================
@@ -138,6 +139,7 @@
 #define MFI_CMD_ABORT				0x06
 #define MFI_CMD_SMP				0x07
 #define MFI_CMD_STP				0x08
+#define MFI_CMD_INVALID				0xff
 
 #define MR_DCMD_CTRL_GET_INFO			0x01010000
 #define MR_DCMD_LD_GET_LIST			0x03010000
@@ -221,6 +223,7 @@ enum MFI_STAT {
 	MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 	MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 	MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
+	MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
 
 	MFI_STAT_INVALID_STATUS = 0xFF
 };
@@ -716,7 +719,7 @@ struct megasas_ctrl_info {
 #define MEGASAS_DEFAULT_INIT_ID			-1
 #define MEGASAS_MAX_LUN				8
 #define MEGASAS_MAX_LD				64
-#define MEGASAS_DEFAULT_CMD_PER_LUN		128
+#define MEGASAS_DEFAULT_CMD_PER_LUN		256
 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
 						MEGASAS_MAX_DEV_PER_CHANNEL)
 #define MEGASAS_MAX_LD_IDS			(MEGASAS_MAX_LD_CHANNELS * \
@@ -755,6 +758,7 @@ struct megasas_ctrl_info {
 #define MEGASAS_INT_CMDS			32
 #define MEGASAS_SKINNY_INT_CMDS			5
 
+#define MEGASAS_MAX_MSIX_QUEUES			16
 /*
  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
  * SGLs based on the size of dma_addr_t
@@ -1276,6 +1280,11 @@ struct megasas_aen_event {
 	struct megasas_instance *instance;
 };
 
+struct megasas_irq_context {
+	struct megasas_instance *instance;
+	u32 MSIxIndex;
+};
+
 struct megasas_instance {
 
 	u32 *producer;
@@ -1349,8 +1358,9 @@ struct megasas_instance {
 
 	/* Ptr to hba specific information */
 	void *ctrl_context;
-	u8	msi_flag;
-	struct msix_entry msixentry;
+	unsigned int msix_vectors;
+	struct msix_entry msixentry[MEGASAS_MAX_MSIX_QUEUES];
+	struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
 	u64 map_id;
 	struct megasas_cmd *map_update_cmd;
 	unsigned long bar;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 776d01988660..29a994f9c4f1 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -18,7 +18,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  *  FILE: megaraid_sas_base.c
- *  Version : v00.00.05.40-rc1
+ *  Version : v00.00.06.12-rc1
  *
  *  Authors: LSI Corporation
  *           Sreenivas Bagalkote
@@ -84,7 +84,7 @@ MODULE_VERSION(MEGASAS_VERSION);
 MODULE_AUTHOR("megaraidlinux@lsi.com");
 MODULE_DESCRIPTION("LSI MegaRAID SAS Driver");
 
-int megasas_transition_to_ready(struct megasas_instance *instance);
+int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
 static int megasas_get_pd_list(struct megasas_instance *instance);
 static int megasas_issue_init_mfi(struct megasas_instance *instance);
 static int megasas_register_aen(struct megasas_instance *instance,
@@ -114,6 +114,8 @@ static struct pci_device_id megasas_pci_table[] = {
 	/* xscale IOP */
 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)},
 	/* Fusion */
+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)},
+	/* Invader */
 	{}
 };
 
@@ -213,6 +215,10 @@ megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd)
 
 	cmd->scmd = NULL;
 	cmd->frame_count = 0;
+	if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) &&
+	    (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) &&
+	    (reset_devices))
+		cmd->frame->hdr.cmd = MFI_CMD_INVALID;
 	list_add_tail(&cmd->list, &instance->cmd_pool);
 
 	spin_unlock_irqrestore(&instance->cmd_pool_lock, flags);
@@ -1583,7 +1589,8 @@ void megaraid_sas_kill_hba(struct megasas_instance *instance)
 {
 	if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
 	    (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
-	    (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)) {
+	    (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+	    (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
 		writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
 	} else {
 		writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell);
@@ -1907,7 +1914,6 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd)
 static enum
 blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
 {
-	struct megasas_cmd *cmd = (struct megasas_cmd *)scmd->SCp.ptr;
 	struct megasas_instance *instance;
 	unsigned long flags;
 
@@ -1916,7 +1922,7 @@ blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
 		return BLK_EH_NOT_HANDLED;
 	}
 
-	instance = cmd->instance;
+	instance = (struct megasas_instance *)scmd->device->host->hostdata;
 	if (!(instance->flag & MEGASAS_FW_BUSY)) {
 		/* FW is busy, throttle IO */
 		spin_lock_irqsave(instance->host->host_lock, flags);
@@ -1957,7 +1963,8 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
 	/*
 	 * First wait for all commands to complete
 	 */
-	if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+	if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+	    (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
 		ret = megasas_reset_fusion(scmd->device->host);
 	else
 		ret = megasas_generic_reset(scmd);
@@ -2161,7 +2168,16 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
 		cmd->scmd->SCp.ptr = NULL;
 
 	switch (hdr->cmd) {
-
+	case MFI_CMD_INVALID:
+		/* Some older 1068 controller FW may keep a pended
+		   MR_DCMD_CTRL_EVENT_GET_INFO left over from the main kernel
+		   when booting the kdump kernel.  Ignore this command to
+		   prevent a kernel panic on shutdown of the kdump kernel. */
+		printk(KERN_WARNING "megaraid_sas: MFI_CMD_INVALID command "
+		       "completed.\n");
+		printk(KERN_WARNING "megaraid_sas: If you have a controller "
+		       "other than PERC5, please upgrade your firmware.\n");
+		break;
 	case MFI_CMD_PD_SCSI_IO:
 	case MFI_CMD_LD_SCSI_IO:
 
@@ -2477,7 +2493,7 @@ process_fw_state_change_wq(struct work_struct *work)
 			msleep(1000);
 		}
 
-		if (megasas_transition_to_ready(instance)) {
+		if (megasas_transition_to_ready(instance, 1)) {
 			printk(KERN_NOTICE "megaraid_sas:adapter not ready\n");
 
 			megaraid_sas_kill_hba(instance);
@@ -2532,7 +2548,7 @@ megasas_deplete_reply_queue(struct megasas_instance *instance,
 						instance->reg_set)
 						) == 0) {
 		/* Hardware may not set outbound_intr_status in MSI-X mode */
-		if (!instance->msi_flag)
+		if (!instance->msix_vectors)
 			return IRQ_NONE;
 	}
 
@@ -2590,16 +2606,14 @@ megasas_deplete_reply_queue(struct megasas_instance *instance,
  */
 static irqreturn_t megasas_isr(int irq, void *devp)
 {
-	struct megasas_instance *instance;
+	struct megasas_irq_context *irq_context = devp;
+	struct megasas_instance *instance = irq_context->instance;
 	unsigned long flags;
 	irqreturn_t	rc;
 
-	if (atomic_read(
-		&(((struct megasas_instance *)devp)->fw_reset_no_pci_access)))
+	if (atomic_read(&instance->fw_reset_no_pci_access))
 		return IRQ_HANDLED;
 
-	instance = (struct megasas_instance *)devp;
-
 	spin_lock_irqsave(&instance->hba_lock, flags);
 	rc =  megasas_deplete_reply_queue(instance, DID_OK);
 	spin_unlock_irqrestore(&instance->hba_lock, flags);
@@ -2617,7 +2631,7 @@ static irqreturn_t megasas_isr(int irq, void *devp)
  * has to wait for the ready state.
  */
 int
-megasas_transition_to_ready(struct megasas_instance* instance)
+megasas_transition_to_ready(struct megasas_instance *instance, int ocr)
 {
 	int i;
 	u8 max_wait;
@@ -2639,11 +2653,13 @@ megasas_transition_to_ready(struct megasas_instance* instance)
 		switch (fw_state) {
 
 		case MFI_STATE_FAULT:
-
 			printk(KERN_DEBUG "megasas: FW in FAULT state!!\n");
-			max_wait = MEGASAS_RESET_WAIT_TIME;
-			cur_state = MFI_STATE_FAULT;
-			break;
+			if (ocr) {
+				max_wait = MEGASAS_RESET_WAIT_TIME;
+				cur_state = MFI_STATE_FAULT;
+				break;
+			} else
+				return -ENODEV;
 
 		case MFI_STATE_WAIT_HANDSHAKE:
 			/*
@@ -2654,7 +2670,9 @@ megasas_transition_to_ready(struct megasas_instance* instance)
 				(instance->pdev->device ==
 				 PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
 				(instance->pdev->device ==
-				 PCI_DEVICE_ID_LSI_FUSION)) {
+				 PCI_DEVICE_ID_LSI_FUSION) ||
+				(instance->pdev->device ==
+				PCI_DEVICE_ID_LSI_INVADER)) {
 				writel(
 				  MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
 				  &instance->reg_set->doorbell);
@@ -2674,7 +2692,9 @@ megasas_transition_to_ready(struct megasas_instance* instance)
 				(instance->pdev->device ==
 				 PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
 			    (instance->pdev->device ==
-			     PCI_DEVICE_ID_LSI_FUSION)) {
+			     PCI_DEVICE_ID_LSI_FUSION) ||
+			    (instance->pdev->device ==
+			     PCI_DEVICE_ID_LSI_INVADER)) {
 				writel(MFI_INIT_HOTPLUG,
 				       &instance->reg_set->doorbell);
 			} else
@@ -2695,11 +2715,15 @@ megasas_transition_to_ready(struct megasas_instance* instance)
 				(instance->pdev->device ==
 				PCI_DEVICE_ID_LSI_SAS0071SKINNY)  ||
 				(instance->pdev->device
-					== PCI_DEVICE_ID_LSI_FUSION)) {
+					== PCI_DEVICE_ID_LSI_FUSION) ||
+				(instance->pdev->device
+					== PCI_DEVICE_ID_LSI_INVADER)) {
 				writel(MFI_RESET_FLAGS,
 					&instance->reg_set->doorbell);
-				if (instance->pdev->device ==
-				    PCI_DEVICE_ID_LSI_FUSION) {
+				if ((instance->pdev->device ==
+				    PCI_DEVICE_ID_LSI_FUSION) ||
+				    (instance->pdev->device ==
+				     PCI_DEVICE_ID_LSI_INVADER)) {
 					for (i = 0; i < (10 * 1000); i += 20) {
 						if (readl(
 							    &instance->
@@ -2922,6 +2946,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
 		memset(cmd->frame, 0, total_sz);
 		cmd->frame->io.context = cmd->index;
 		cmd->frame->io.pad_0 = 0;
+		if ((instance->pdev->device != PCI_DEVICE_ID_LSI_FUSION) &&
+		    (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) &&
+		    (reset_devices))
+			cmd->frame->hdr.cmd = MFI_CMD_INVALID;
 	}
 
 	return 0;
@@ -3474,6 +3502,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
 	struct megasas_register_set __iomem *reg_set;
 	struct megasas_ctrl_info *ctrl_info;
 	unsigned long bar_list;
+	int i;
 
 	/* Find first memory bar */
 	bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM);
@@ -3496,6 +3525,7 @@ static int megasas_init_fw(struct megasas_instance *instance)
 
 	switch (instance->pdev->device) {
 	case PCI_DEVICE_ID_LSI_FUSION:
+	case PCI_DEVICE_ID_LSI_INVADER:
 		instance->instancet = &megasas_instance_template_fusion;
 		break;
 	case PCI_DEVICE_ID_LSI_SAS1078R:
@@ -3520,15 +3550,39 @@ static int megasas_init_fw(struct megasas_instance *instance)
 	/*
 	 * We expect the FW state to be READY
 	 */
-	if (megasas_transition_to_ready(instance))
+	if (megasas_transition_to_ready(instance, 0))
 		goto fail_ready_state;
 
 	/* Check if MSI-X is supported while in ready state */
 	msix_enable = (instance->instancet->read_fw_status_reg(reg_set) &
 		       0x4000000) >> 0x1a;
-	if (msix_enable && !msix_disable &&
-	    !pci_enable_msix(instance->pdev, &instance->msixentry, 1))
-		instance->msi_flag = 1;
+	if (msix_enable && !msix_disable) {
+		/* Check max MSI-X vectors */
+		if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+		    (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
+			instance->msix_vectors = (readl(&instance->reg_set->
+							outbound_scratch_pad_2
+							  ) & 0x1F) + 1;
+		} else
+			instance->msix_vectors = 1;
+		/* Don't bother allocating more MSI-X vectors than cpus */
+		instance->msix_vectors = min(instance->msix_vectors,
+					     (unsigned int)num_online_cpus());
+		for (i = 0; i < instance->msix_vectors; i++)
+			instance->msixentry[i].entry = i;
+		i = pci_enable_msix(instance->pdev, instance->msixentry,
+				    instance->msix_vectors);
+		if (i >= 0) {
+			if (i) {
+				if (!pci_enable_msix(instance->pdev,
+						     instance->msixentry, i))
+					instance->msix_vectors = i;
+				else
+					instance->msix_vectors = 0;
+			}
+		} else
+			instance->msix_vectors = 0;
+	}
 
 	/* Get operational params, sge flags, send init cmd to controller */
 	if (instance->instancet->init_adapter(instance))
@@ -3892,7 +3946,8 @@ static int megasas_io_attach(struct megasas_instance *instance)
 	host->max_cmd_len = 16;
 
 	/* Fusion only supports host reset */
-	if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) {
+	if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+	    (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
 		host->hostt->eh_device_reset_handler = NULL;
 		host->hostt->eh_bus_reset_handler = NULL;
 	}
@@ -3942,7 +3997,7 @@ fail_set_dma_mask:
 static int __devinit
 megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 {
-	int rval, pos;
+	int rval, pos, i, j;
 	struct Scsi_Host *host;
 	struct megasas_instance *instance;
 	u16 control = 0;
@@ -4002,6 +4057,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	switch (instance->pdev->device) {
 	case PCI_DEVICE_ID_LSI_FUSION:
+	case PCI_DEVICE_ID_LSI_INVADER:
 	{
 		struct fusion_context *fusion;
 
@@ -4094,7 +4150,8 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	instance->last_time = 0;
 	instance->disableOnlineCtrlReset = 1;
 
-	if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+	if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+	    (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
 		INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq);
 	else
 		INIT_WORK(&instance->work_init, process_fw_state_change_wq);
@@ -4108,11 +4165,32 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	/*
 	 * Register IRQ
 	 */
-	if (request_irq(instance->msi_flag ? instance->msixentry.vector :
-			pdev->irq, instance->instancet->service_isr,
-			IRQF_SHARED, "megasas", instance)) {
-		printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
-		goto fail_irq;
+	if (instance->msix_vectors) {
+		for (i = 0 ; i < instance->msix_vectors; i++) {
+			instance->irq_context[i].instance = instance;
+			instance->irq_context[i].MSIxIndex = i;
+			if (request_irq(instance->msixentry[i].vector,
+					instance->instancet->service_isr, 0,
+					"megasas",
+					&instance->irq_context[i])) {
+				printk(KERN_DEBUG "megasas: Failed to "
+				       "register IRQ for vector %d.\n", i);
+				for (j = 0 ; j < i ; j++)
+					free_irq(
+						instance->msixentry[j].vector,
+						&instance->irq_context[j]);
+				goto fail_irq;
+			}
+		}
+	} else {
+		instance->irq_context[0].instance = instance;
+		instance->irq_context[0].MSIxIndex = 0;
+		if (request_irq(pdev->irq, instance->instancet->service_isr,
+				IRQF_SHARED, "megasas",
+				&instance->irq_context[0])) {
+			printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
+			goto fail_irq;
+		}
 	}
 
 	instance->instancet->enable_intr(instance->reg_set);
@@ -4156,15 +4234,20 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	pci_set_drvdata(pdev, NULL);
 	instance->instancet->disable_intr(instance->reg_set);
-	free_irq(instance->msi_flag ? instance->msixentry.vector :
-		 instance->pdev->irq, instance);
+	if (instance->msix_vectors)
+		for (i = 0 ; i < instance->msix_vectors; i++)
+			free_irq(instance->msixentry[i].vector,
+				 &instance->irq_context[i]);
+	else
+		free_irq(instance->pdev->irq, &instance->irq_context[0]);
 fail_irq:
-	if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+	if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+	    (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
 		megasas_release_fusion(instance);
 	else
 		megasas_release_mfi(instance);
       fail_init_mfi:
-	if (instance->msi_flag)
+	if (instance->msix_vectors)
 		pci_disable_msix(instance->pdev);
       fail_alloc_dma_buf:
 	if (instance->evt_detail)
@@ -4280,6 +4363,7 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct Scsi_Host *host;
 	struct megasas_instance *instance;
+	int i;
 
 	instance = pci_get_drvdata(pdev);
 	host = instance->host;
@@ -4303,9 +4387,14 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	pci_set_drvdata(instance->pdev, instance);
 	instance->instancet->disable_intr(instance->reg_set);
-	free_irq(instance->msi_flag ? instance->msixentry.vector :
-		 instance->pdev->irq, instance);
-	if (instance->msi_flag)
+
+	if (instance->msix_vectors)
+		for (i = 0 ; i < instance->msix_vectors; i++)
+			free_irq(instance->msixentry[i].vector,
+				 &instance->irq_context[i]);
+	else
+		free_irq(instance->pdev->irq, &instance->irq_context[0]);
+	if (instance->msix_vectors)
 		pci_disable_msix(instance->pdev);
 
 	pci_save_state(pdev);
@@ -4323,7 +4412,7 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state)
 static int
 megasas_resume(struct pci_dev *pdev)
 {
-	int rval;
+	int rval, i, j;
 	struct Scsi_Host *host;
 	struct megasas_instance *instance;
 
@@ -4357,15 +4446,17 @@ megasas_resume(struct pci_dev *pdev)
 	/*
 	 * We expect the FW state to be READY
 	 */
-	if (megasas_transition_to_ready(instance))
+	if (megasas_transition_to_ready(instance, 0))
 		goto fail_ready_state;
 
 	/* Now re-enable MSI-X */
-	if (instance->msi_flag)
-		pci_enable_msix(instance->pdev, &instance->msixentry, 1);
+	if (instance->msix_vectors)
+		pci_enable_msix(instance->pdev, instance->msixentry,
+				instance->msix_vectors);
 
 	switch (instance->pdev->device) {
 	case PCI_DEVICE_ID_LSI_FUSION:
+	case PCI_DEVICE_ID_LSI_INVADER:
 	{
 		megasas_reset_reply_desc(instance);
 		if (megasas_ioc_init_fusion(instance)) {
@@ -4391,11 +4482,32 @@ megasas_resume(struct pci_dev *pdev)
 	/*
 	 * Register IRQ
 	 */
-	if (request_irq(instance->msi_flag ? instance->msixentry.vector :
-			pdev->irq, instance->instancet->service_isr,
-			IRQF_SHARED, "megasas", instance)) {
-		printk(KERN_ERR "megasas: Failed to register IRQ\n");
-		goto fail_irq;
+	if (instance->msix_vectors) {
+		for (i = 0 ; i < instance->msix_vectors; i++) {
+			instance->irq_context[i].instance = instance;
+			instance->irq_context[i].MSIxIndex = i;
+			if (request_irq(instance->msixentry[i].vector,
+					instance->instancet->service_isr, 0,
+					"megasas",
+					&instance->irq_context[i])) {
+				printk(KERN_DEBUG "megasas: Failed to "
+				       "register IRQ for vector %d.\n", i);
+				for (j = 0 ; j < i ; j++)
+					free_irq(
+						instance->msixentry[j].vector,
+						&instance->irq_context[j]);
+				goto fail_irq;
+			}
+		}
+	} else {
+		instance->irq_context[0].instance = instance;
+		instance->irq_context[0].MSIxIndex = 0;
+		if (request_irq(pdev->irq, instance->instancet->service_isr,
+				IRQF_SHARED, "megasas",
+				&instance->irq_context[0])) {
+			printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
+			goto fail_irq;
+		}
 	}
 
 	instance->instancet->enable_intr(instance->reg_set);
@@ -4492,13 +4604,18 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
 
 	instance->instancet->disable_intr(instance->reg_set);
 
-	free_irq(instance->msi_flag ? instance->msixentry.vector :
-		 instance->pdev->irq, instance);
-	if (instance->msi_flag)
+	if (instance->msix_vectors)
+		for (i = 0 ; i < instance->msix_vectors; i++)
+			free_irq(instance->msixentry[i].vector,
+				 &instance->irq_context[i]);
+	else
+		free_irq(instance->pdev->irq, &instance->irq_context[0]);
+	if (instance->msix_vectors)
 		pci_disable_msix(instance->pdev);
 
 	switch (instance->pdev->device) {
 	case PCI_DEVICE_ID_LSI_FUSION:
+	case PCI_DEVICE_ID_LSI_INVADER:
 		megasas_release_fusion(instance);
 		for (i = 0; i < 2 ; i++)
 			if (fusion->ld_map[i])
@@ -4539,14 +4656,20 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
  */
 static void megasas_shutdown(struct pci_dev *pdev)
 {
+	int i;
 	struct megasas_instance *instance = pci_get_drvdata(pdev);
+
 	instance->unload = 1;
 	megasas_flush_cache(instance);
 	megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
 	instance->instancet->disable_intr(instance->reg_set);
-	free_irq(instance->msi_flag ? instance->msixentry.vector :
-		 instance->pdev->irq, instance);
-	if (instance->msi_flag)
+	if (instance->msix_vectors)
+		for (i = 0 ; i < instance->msix_vectors; i++)
+			free_irq(instance->msixentry[i].vector,
+				 &instance->irq_context[i]);
+	else
+		free_irq(instance->pdev->irq, &instance->irq_context[0]);
+	if (instance->msix_vectors)
 		pci_disable_msix(instance->pdev);
 }
 
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index 5a5af1fe7581..5255dd688aca 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -52,6 +52,7 @@
 #include <scsi/scsi_host.h>
 
 #include "megaraid_sas_fusion.h"
+#include "megaraid_sas.h"
 #include <asm/div64.h>
 
 #define ABS_DIFF(a, b)   (((a) > (b)) ? ((a) - (b)) : ((b) - (a)))
@@ -226,8 +227,9 @@ u32 MR_GetSpanBlock(u32 ld, u64 row, u64 *span_blk,
 *    span          - Span number
 *    block         - Absolute Block number in the physical disk
 */
-u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock,
-		   u16 *pDevHandle, struct RAID_CONTEXT *pRAID_Context,
+u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
+		   u16 stripRef, u64 *pdBlock, u16 *pDevHandle,
+		   struct RAID_CONTEXT *pRAID_Context,
 		   struct MR_FW_RAID_MAP_ALL *map)
 {
 	struct MR_LD_RAID  *raid = MR_LdRaidGet(ld, map);
@@ -279,7 +281,8 @@ u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock,
 		*pDevHandle = MR_PdDevHandleGet(pd, map);
 	else {
 		*pDevHandle = MR_PD_INVALID; /* set dev handle as invalid. */
-		if (raid->level >= 5)
+		if ((raid->level >= 5) &&
+		    (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER))
 			pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE;
 		else if (raid->level == 1) {
 			/* Get alternate Pd. */
@@ -306,7 +309,8 @@ u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock,
 * This function will return 0 if region lock was acquired OR return num strips
 */
 u8
-MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
+MR_BuildRaidContext(struct megasas_instance *instance,
+		    struct IO_REQUEST_INFO *io_info,
 		    struct RAID_CONTEXT *pRAID_Context,
 		    struct MR_FW_RAID_MAP_ALL *map)
 {
@@ -394,8 +398,12 @@ MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
 	}
 
 	pRAID_Context->timeoutValue     = map->raidMap.fpPdIoTimeoutSec;
-	pRAID_Context->regLockFlags     = (isRead) ? REGION_TYPE_SHARED_READ :
-		raid->regTypeReqOnWrite;
+	if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)
+		pRAID_Context->regLockFlags = (isRead) ?
+			raid->regTypeReqOnRead : raid->regTypeReqOnWrite;
+	else
+		pRAID_Context->regLockFlags = (isRead) ?
+			REGION_TYPE_SHARED_READ : raid->regTypeReqOnWrite;
 	pRAID_Context->VirtualDiskTgtId = raid->targetId;
 	pRAID_Context->regLockRowLBA    = regStart;
 	pRAID_Context->regLockLength    = regSize;
@@ -404,7 +412,8 @@ MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
 	/*Get Phy Params only if FP capable, or else leave it to MR firmware
 	  to do the calculation.*/
 	if (io_info->fpOkForIo) {
-		retval = MR_GetPhyParams(ld, start_strip, ref_in_start_stripe,
+		retval = MR_GetPhyParams(instance, ld, start_strip,
+					 ref_in_start_stripe,
 					 &io_info->pdBlock,
 					 &io_info->devHandle, pRAID_Context,
 					 map);
@@ -415,7 +424,8 @@ MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
 	} else if (isRead) {
 		uint stripIdx;
 		for (stripIdx = 0; stripIdx < num_strips; stripIdx++) {
-			if (!MR_GetPhyParams(ld, start_strip + stripIdx,
+			if (!MR_GetPhyParams(instance, ld,
+					     start_strip + stripIdx,
 					     ref_in_start_stripe,
 					     &io_info->pdBlock,
 					     &io_info->devHandle,
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index f13e7abd345a..bfd87fab39aa 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -74,7 +74,8 @@ megasas_issue_polled(struct megasas_instance *instance,
 		     struct megasas_cmd *cmd);
 
 u8
-MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
+MR_BuildRaidContext(struct megasas_instance *instance,
+		    struct IO_REQUEST_INFO *io_info,
 		    struct RAID_CONTEXT *pRAID_Context,
 		    struct MR_FW_RAID_MAP_ALL *map);
 u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_FW_RAID_MAP_ALL *map);
@@ -89,7 +90,7 @@ u8 MR_ValidateMapInfo(struct MR_FW_RAID_MAP_ALL *map,
 		      struct LD_LOAD_BALANCE_INFO *lbInfo);
 u16 get_updated_dev_handle(struct LD_LOAD_BALANCE_INFO *lbInfo,
 			   struct IO_REQUEST_INFO *in_info);
-int megasas_transition_to_ready(struct megasas_instance *instance);
+int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
 void megaraid_sas_kill_hba(struct megasas_instance *instance);
 
 extern u32 megasas_dbg_lvl;
@@ -101,6 +102,10 @@ extern u32 megasas_dbg_lvl;
 void
 megasas_enable_intr_fusion(struct megasas_register_set __iomem *regs)
 {
+	/* For Thunderbolt/Invader also clear intr on enable */
+	writel(~0, &regs->outbound_intr_status);
+	readl(&regs->outbound_intr_status);
+
 	writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
 
 	/* Dummy readl to force pci flush */
@@ -139,11 +144,6 @@ megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs)
 	if (!(status & MFI_FUSION_ENABLE_INTERRUPT_MASK))
 		return 0;
 
-	/*
-	 * dummy read to flush PCI
-	 */
-	readl(&regs->outbound_intr_status);
-
 	return 1;
 }
 
@@ -385,7 +385,7 @@ static int megasas_create_frame_pool_fusion(struct megasas_instance *instance)
 int
 megasas_alloc_cmds_fusion(struct megasas_instance *instance)
 {
-	int i, j;
+	int i, j, count;
 	u32 max_cmd, io_frames_sz;
 	struct fusion_context *fusion;
 	struct megasas_cmd_fusion *cmd;
@@ -409,9 +409,10 @@ megasas_alloc_cmds_fusion(struct megasas_instance *instance)
 		goto fail_req_desc;
 	}
 
+	count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
 	fusion->reply_frames_desc_pool =
 		pci_pool_create("reply_frames pool", instance->pdev,
-				fusion->reply_alloc_sz, 16, 0);
+				fusion->reply_alloc_sz * count, 16, 0);
 
 	if (!fusion->reply_frames_desc_pool) {
 		printk(KERN_ERR "megasas; Could not allocate memory for "
@@ -430,7 +431,7 @@ megasas_alloc_cmds_fusion(struct megasas_instance *instance)
 	}
 
 	reply_desc = fusion->reply_frames_desc;
-	for (i = 0; i < fusion->reply_q_depth; i++, reply_desc++)
+	for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++)
 		reply_desc->Words = ULLONG_MAX;
 
 	io_frames_sz = fusion->io_frames_alloc_sz;
@@ -590,7 +591,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
 	struct megasas_init_frame *init_frame;
 	struct MPI2_IOC_INIT_REQUEST *IOCInitMessage;
 	dma_addr_t	ioc_init_handle;
-	u32 context;
 	struct megasas_cmd *cmd;
 	u8 ret;
 	struct fusion_context *fusion;
@@ -634,14 +634,13 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
 		fusion->reply_frames_desc_phys;
 	IOCInitMessage->SystemRequestFrameBaseAddress =
 		fusion->io_request_frames_phys;
-
+	/* Set to 0 for none or 1 MSI-X vectors */
+	IOCInitMessage->HostMSIxVectors = (instance->msix_vectors > 0 ?
+					   instance->msix_vectors : 0);
 	init_frame = (struct megasas_init_frame *)cmd->frame;
 	memset(init_frame, 0, MEGAMFI_FRAME_SIZE);
 
 	frame_hdr = &cmd->frame->hdr;
-	context = init_frame->context;
-	init_frame->context = context;
-
 	frame_hdr->cmd_status = 0xFF;
 	frame_hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
 
@@ -881,7 +880,7 @@ megasas_init_adapter_fusion(struct megasas_instance *instance)
 	struct megasas_register_set __iomem *reg_set;
 	struct fusion_context *fusion;
 	u32 max_cmd;
-	int i = 0;
+	int i = 0, count;
 
 	fusion = instance->ctrl_context;
 
@@ -933,7 +932,9 @@ megasas_init_adapter_fusion(struct megasas_instance *instance)
 		(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE -
 		 sizeof(union MPI2_SGE_IO_UNION))/16;
 
-	fusion->last_reply_idx = 0;
+	count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
+	for (i = 0 ; i < count; i++)
+		fusion->last_reply_idx[i] = 0;
 
 	/*
 	 * Allocate memory for descriptors
@@ -1043,7 +1044,9 @@ map_cmd_status(struct megasas_cmd_fusion *cmd, u8 status, u8 ext_status)
 	case MFI_STAT_DEVICE_NOT_FOUND:
 		cmd->scmd->result = DID_BAD_TARGET << 16;
 		break;
-
+	case MFI_STAT_CONFIG_SEQ_MISMATCH:
+		cmd->scmd->result = DID_IMM_RETRY << 16;
+		break;
 	default:
 		printk(KERN_DEBUG "megasas: FW status %#x\n", status);
 		cmd->scmd->result = DID_ERROR << 16;
@@ -1066,14 +1069,17 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
 			struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr,
 			struct megasas_cmd_fusion *cmd)
 {
-	int i, sg_processed;
-	int sge_count, sge_idx;
+	int i, sg_processed, sge_count;
 	struct scatterlist *os_sgl;
 	struct fusion_context *fusion;
 
 	fusion = instance->ctrl_context;
 
-	cmd->io_request->ChainOffset = 0;
+	if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+		struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr;
+		sgl_ptr_end += fusion->max_sge_in_main_msg - 1;
+		sgl_ptr_end->Flags = 0;
+	}
 
 	sge_count = scsi_dma_map(scp);
 
@@ -1082,16 +1088,14 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
 	if (sge_count > instance->max_num_sge || !sge_count)
 		return sge_count;
 
-	if (sge_count > fusion->max_sge_in_main_msg) {
-		/* One element to store the chain info */
-		sge_idx = fusion->max_sge_in_main_msg - 1;
-	} else
-		sge_idx = sge_count;
-
 	scsi_for_each_sg(scp, os_sgl, sge_count, i) {
 		sgl_ptr->Length = sg_dma_len(os_sgl);
 		sgl_ptr->Address = sg_dma_address(os_sgl);
 		sgl_ptr->Flags = 0;
+		if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+			if (i == sge_count - 1)
+				sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
+		}
 		sgl_ptr++;
 
 		sg_processed = i + 1;
@@ -1100,13 +1104,30 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
 		    (sge_count > fusion->max_sge_in_main_msg)) {
 
 			struct MPI25_IEEE_SGE_CHAIN64 *sg_chain;
-			cmd->io_request->ChainOffset =
-				fusion->chain_offset_io_request;
+			if (instance->pdev->device ==
+			    PCI_DEVICE_ID_LSI_INVADER) {
+				if ((cmd->io_request->IoFlags &
+				MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) !=
+				MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
+					cmd->io_request->ChainOffset =
+						fusion->
+						chain_offset_io_request;
+				else
+					cmd->io_request->ChainOffset = 0;
+			} else
+				cmd->io_request->ChainOffset =
+					fusion->chain_offset_io_request;
+
 			sg_chain = sgl_ptr;
 			/* Prepare chain element */
 			sg_chain->NextChainOffset = 0;
-			sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT |
-					   MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
+			if (instance->pdev->device ==
+			    PCI_DEVICE_ID_LSI_INVADER)
+				sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
+			else
+				sg_chain->Flags =
+					(IEEE_SGE_FLAGS_CHAIN_ELEMENT |
+					 MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
 			sg_chain->Length =  (sizeof(union MPI2_SGE_IO_UNION)
 					     *(sge_count - sg_processed));
 			sg_chain->Address = cmd->sg_frame_phys_addr;
@@ -1399,11 +1420,18 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 		io_request->RaidContext.regLockFlags  = 0;
 		fp_possible = 0;
 	} else {
-		if (MR_BuildRaidContext(&io_info, &io_request->RaidContext,
+		if (MR_BuildRaidContext(instance, &io_info,
+					&io_request->RaidContext,
 					local_map_ptr))
 			fp_possible = io_info.fpOkForIo;
 	}
 
+	/* Use smp_processor_id() for now until cmd->request->cpu is CPU
+	   id by default, not CPU group id, otherwise all MSI-X queues won't
+	   be utilized */
+	cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ?
+		smp_processor_id() % instance->msix_vectors : 0;
+
 	if (fp_possible) {
 		megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
 				   local_map_ptr, start_lba_lo);
@@ -1412,6 +1440,20 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 		cmd->request_desc->SCSIIO.RequestFlags =
 			(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY
 			 << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+		if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+			if (io_request->RaidContext.regLockFlags ==
+			    REGION_TYPE_UNUSED)
+				cmd->request_desc->SCSIIO.RequestFlags =
+					(MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
+					MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+			io_request->RaidContext.Type = MPI2_TYPE_CUDA;
+			io_request->RaidContext.nseg = 0x1;
+			io_request->IoFlags |=
+			  MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
+			io_request->RaidContext.regLockFlags |=
+			  (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
+			   MR_RL_FLAGS_SEQ_NUM_ENABLE);
+		}
 		if ((fusion->load_balance_info[device_id].loadBalanceFlag) &&
 		    (io_info.isRead)) {
 			io_info.devHandle =
@@ -1426,11 +1468,23 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
 	} else {
 		io_request->RaidContext.timeoutValue =
 			local_map_ptr->raidMap.fpPdIoTimeoutSec;
-		io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
-		io_request->DevHandle = device_id;
 		cmd->request_desc->SCSIIO.RequestFlags =
 			(MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO
 			 << MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+		if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+			if (io_request->RaidContext.regLockFlags ==
+			    REGION_TYPE_UNUSED)
+				cmd->request_desc->SCSIIO.RequestFlags =
+					(MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
+					MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+			io_request->RaidContext.Type = MPI2_TYPE_CUDA;
+			io_request->RaidContext.regLockFlags |=
+				(MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
+				 MR_RL_FLAGS_SEQ_NUM_ENABLE);
+			io_request->RaidContext.nseg = 0x1;
+		}
+		io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
+		io_request->DevHandle = device_id;
 	} /* Not FP */
 }
 
@@ -1513,8 +1567,10 @@ megasas_build_io_fusion(struct megasas_instance *instance,
 	io_request->EEDPFlags = 0;
 	io_request->Control = 0;
 	io_request->EEDPBlockSize = 0;
-	io_request->IoFlags = 0;
+	io_request->ChainOffset = 0;
 	io_request->RaidContext.RAIDFlags = 0;
+	io_request->RaidContext.Type = 0;
+	io_request->RaidContext.nseg = 0;
 
 	memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len);
 	/*
@@ -1612,7 +1668,6 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
 
 	req_desc->Words = 0;
 	cmd->request_desc = req_desc;
-	cmd->request_desc->Words = 0;
 
 	if (megasas_build_io_fusion(instance, scmd, cmd)) {
 		megasas_return_cmd_fusion(instance, cmd);
@@ -1647,7 +1702,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
  * Completes all commands that is in reply descriptor queue
  */
 int
-complete_cmd_fusion(struct megasas_instance *instance)
+complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex)
 {
 	union MPI2_REPLY_DESCRIPTORS_UNION *desc;
 	struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc;
@@ -1667,7 +1722,9 @@ complete_cmd_fusion(struct megasas_instance *instance)
 		return IRQ_HANDLED;
 
 	desc = fusion->reply_frames_desc;
-	desc += fusion->last_reply_idx;
+	desc += ((MSIxIndex * fusion->reply_alloc_sz)/
+		 sizeof(union MPI2_REPLY_DESCRIPTORS_UNION)) +
+		fusion->last_reply_idx[MSIxIndex];
 
 	reply_desc = (struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *)desc;
 
@@ -1740,16 +1797,19 @@ complete_cmd_fusion(struct megasas_instance *instance)
 			break;
 		}
 
-		fusion->last_reply_idx++;
-		if (fusion->last_reply_idx >= fusion->reply_q_depth)
-			fusion->last_reply_idx = 0;
+		fusion->last_reply_idx[MSIxIndex]++;
+		if (fusion->last_reply_idx[MSIxIndex] >=
+		    fusion->reply_q_depth)
+			fusion->last_reply_idx[MSIxIndex] = 0;
 
 		desc->Words = ULLONG_MAX;
 		num_completed++;
 
 		/* Get the next reply descriptor */
-		if (!fusion->last_reply_idx)
-			desc = fusion->reply_frames_desc;
+		if (!fusion->last_reply_idx[MSIxIndex])
+			desc = fusion->reply_frames_desc +
+				((MSIxIndex * fusion->reply_alloc_sz)/
+				 sizeof(union MPI2_REPLY_DESCRIPTORS_UNION));
 		else
 			desc++;
 
@@ -1769,7 +1829,7 @@ complete_cmd_fusion(struct megasas_instance *instance)
 		return IRQ_NONE;
 
 	wmb();
-	writel(fusion->last_reply_idx,
+	writel((MSIxIndex << 24) | fusion->last_reply_idx[MSIxIndex],
 	       &instance->reg_set->reply_post_host_index);
 	megasas_check_and_restore_queue_depth(instance);
 	return IRQ_HANDLED;
@@ -1787,6 +1847,9 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 	struct megasas_instance *instance =
 		(struct megasas_instance *)instance_addr;
 	unsigned long flags;
+	u32 count, MSIxIndex;
+
+	count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
 
 	/* If we have already declared adapter dead, donot complete cmds */
 	spin_lock_irqsave(&instance->hba_lock, flags);
@@ -1797,7 +1860,8 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
 	spin_unlock_irqrestore(&instance->hba_lock, flags);
 
 	spin_lock_irqsave(&instance->completion_lock, flags);
-	complete_cmd_fusion(instance);
+	for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++)
+		complete_cmd_fusion(instance, MSIxIndex);
 	spin_unlock_irqrestore(&instance->completion_lock, flags);
 }
 
@@ -1806,20 +1870,24 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
  */
 irqreturn_t megasas_isr_fusion(int irq, void *devp)
 {
-	struct megasas_instance *instance = (struct megasas_instance *)devp;
+	struct megasas_irq_context *irq_context = devp;
+	struct megasas_instance *instance = irq_context->instance;
 	u32 mfiStatus, fw_state;
 
-	if (!instance->msi_flag) {
+	if (!instance->msix_vectors) {
 		mfiStatus = instance->instancet->clear_intr(instance->reg_set);
 		if (!mfiStatus)
 			return IRQ_NONE;
 	}
 
 	/* If we are resetting, bail */
-	if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags))
+	if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) {
+		instance->instancet->clear_intr(instance->reg_set);
 		return IRQ_HANDLED;
+	}
 
-	if (!complete_cmd_fusion(instance)) {
+	if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) {
+		instance->instancet->clear_intr(instance->reg_set);
 		/* If we didn't complete any commands, check for FW fault */
 		fw_state = instance->instancet->read_fw_status_reg(
 			instance->reg_set) & MFI_STATE_MASK;
@@ -1866,6 +1934,14 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance,
 
 	fusion = instance->ctrl_context;
 	io_req = cmd->io_request;
+
+	if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+		struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end =
+			(struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL;
+		sgl_ptr_end += fusion->max_sge_in_main_msg - 1;
+		sgl_ptr_end->Flags = 0;
+	}
+
 	mpi25_ieee_chain =
 	  (struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain;
 
@@ -1928,15 +2004,12 @@ megasas_issue_dcmd_fusion(struct megasas_instance *instance,
 			  struct megasas_cmd *cmd)
 {
 	union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
-	union desc_value d_val;
 
 	req_desc = build_mpt_cmd(instance, cmd);
 	if (!req_desc) {
 		printk(KERN_ERR "Couldn't issue MFI pass thru cmd\n");
 		return;
 	}
-	d_val.word = req_desc->Words;
-
 	instance->instancet->fire_cmd(instance, req_desc->u.low,
 				      req_desc->u.high, instance->reg_set);
 }
@@ -2029,14 +2102,16 @@ out:
 
 void  megasas_reset_reply_desc(struct megasas_instance *instance)
 {
-	int i;
+	int i, count;
 	struct fusion_context *fusion;
 	union MPI2_REPLY_DESCRIPTORS_UNION *reply_desc;
 
 	fusion = instance->ctrl_context;
-	fusion->last_reply_idx = 0;
+	count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
+	for (i = 0 ; i < count ; i++)
+		fusion->last_reply_idx[i] = 0;
 	reply_desc = fusion->reply_frames_desc;
-	for (i = 0 ; i < fusion->reply_q_depth; i++, reply_desc++)
+	for (i = 0 ; i < fusion->reply_q_depth * count; i++, reply_desc++)
 		reply_desc->Words = ULLONG_MAX;
 }
 
@@ -2057,8 +2132,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost)
 	if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) {
 		printk(KERN_WARNING "megaraid_sas: Hardware critical error, "
 		       "returning FAILED.\n");
-		retval = FAILED;
-		goto out;
+		return FAILED;
 	}
 
 	mutex_lock(&instance->reset_mutex);
@@ -2173,7 +2247,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost)
 			}
 
 			/* Wait for FW to become ready */
-			if (megasas_transition_to_ready(instance)) {
+			if (megasas_transition_to_ready(instance, 1)) {
 				printk(KERN_WARNING "megaraid_sas: Failed to "
 				       "transition controller to ready.\n");
 				continue;
@@ -2186,6 +2260,8 @@ int megasas_reset_fusion(struct Scsi_Host *shost)
 				continue;
 			}
 
+			clear_bit(MEGASAS_FUSION_IN_RESET,
+				  &instance->reset_flags);
 			instance->instancet->enable_intr(instance->reg_set);
 			instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
 
@@ -2247,6 +2323,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost)
 		megaraid_sas_kill_hba(instance);
 		retval = FAILED;
 	} else {
+		clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags);
 		instance->instancet->enable_intr(instance->reg_set);
 		instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
 	}
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index 82b577a72c8b..088c9f91da95 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -43,6 +43,15 @@
 #define HOST_DIAG_WRITE_ENABLE			    0x80
 #define HOST_DIAG_RESET_ADAPTER			    0x4
 #define MEGASAS_FUSION_MAX_RESET_TRIES		    3
+#define MAX_MSIX_QUEUES_FUSION			    16
+
+/* Invader defines */
+#define MPI2_TYPE_CUDA				    0x2
+#define MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH   0x4000
+#define	MR_RL_FLAGS_GRANT_DESTINATION_CPU0	    0x00
+#define	MR_RL_FLAGS_GRANT_DESTINATION_CPU1	    0x10
+#define	MR_RL_FLAGS_GRANT_DESTINATION_CUDA	    0x80
+#define MR_RL_FLAGS_SEQ_NUM_ENABLE		    0x8
 
 /* T10 PI defines */
 #define MR_PROT_INFO_TYPE_CONTROLLER                0x8
@@ -70,7 +79,7 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE {
  */
 #define MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO           0x7
 #define MEGASAS_REQ_DESCRIPT_FLAGS_MFA             0x1
-
+#define MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK	   0x2
 #define MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT      1
 
 #define MEGASAS_FP_CMD_LEN	16
@@ -82,7 +91,9 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE {
  */
 
 struct RAID_CONTEXT {
-	u16     resvd0;
+	u8	Type:4;
+	u8	nseg:4;
+	u8	resvd0;
 	u16     timeoutValue;
 	u8      regLockFlags;
 	u8      resvd1;
@@ -527,7 +538,7 @@ struct MR_LD_RAID {
 	u8      ldState;
 	u8      regTypeReqOnWrite;
 	u8      modFactor;
-	u8      reserved2[1];
+	u8	regTypeReqOnRead;
 	u16     seqNum;
 
 	struct {
@@ -663,7 +674,7 @@ struct fusion_context {
 	union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc;
 	struct dma_pool *reply_frames_desc_pool;
 
-	u16 last_reply_idx;
+	u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION];
 
 	u32 reply_q_depth;
 	u32 request_alloc_sz;
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 6825772cfd6a..81209ca87274 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -833,25 +833,31 @@ union reply_descriptor {
 static irqreturn_t
 _base_interrupt(int irq, void *bus_id)
 {
+	struct adapter_reply_queue *reply_q = bus_id;
 	union reply_descriptor rd;
 	u32 completed_cmds;
 	u8 request_desript_type;
 	u16 smid;
 	u8 cb_idx;
 	u32 reply;
-	u8 msix_index;
-	struct MPT2SAS_ADAPTER *ioc = bus_id;
+	u8 msix_index = reply_q->msix_index;
+	struct MPT2SAS_ADAPTER *ioc = reply_q->ioc;
 	Mpi2ReplyDescriptorsUnion_t *rpf;
 	u8 rc;
 
 	if (ioc->mask_interrupts)
 		return IRQ_NONE;
 
-	rpf = &ioc->reply_post_free[ioc->reply_post_host_index];
+	if (!atomic_add_unless(&reply_q->busy, 1, 1))
+		return IRQ_NONE;
+
+	rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
 	request_desript_type = rpf->Default.ReplyFlags
 	     & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
-	if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
+	if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
+		atomic_dec(&reply_q->busy);
 		return IRQ_NONE;
+	}
 
 	completed_cmds = 0;
 	cb_idx = 0xFF;
@@ -860,9 +866,7 @@ _base_interrupt(int irq, void *bus_id)
 		if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
 			goto out;
 		reply = 0;
-		cb_idx = 0xFF;
 		smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
-		msix_index = rpf->Default.MSIxIndex;
 		if (request_desript_type ==
 		    MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
 			reply = le32_to_cpu
@@ -906,32 +910,86 @@ _base_interrupt(int irq, void *bus_id)
  next:
 
 		rpf->Words = cpu_to_le64(ULLONG_MAX);
-		ioc->reply_post_host_index = (ioc->reply_post_host_index ==
+		reply_q->reply_post_host_index =
+		    (reply_q->reply_post_host_index ==
 		    (ioc->reply_post_queue_depth - 1)) ? 0 :
-		    ioc->reply_post_host_index + 1;
+		    reply_q->reply_post_host_index + 1;
 		request_desript_type =
-		    ioc->reply_post_free[ioc->reply_post_host_index].Default.
-		    ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
+		    reply_q->reply_post_free[reply_q->reply_post_host_index].
+		    Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
 		completed_cmds++;
 		if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
 			goto out;
-		if (!ioc->reply_post_host_index)
-			rpf = ioc->reply_post_free;
+		if (!reply_q->reply_post_host_index)
+			rpf = reply_q->reply_post_free;
 		else
 			rpf++;
 	} while (1);
 
  out:
 
-	if (!completed_cmds)
+	if (!completed_cmds) {
+		atomic_dec(&reply_q->busy);
 		return IRQ_NONE;
-
+	}
 	wmb();
-	writel(ioc->reply_post_host_index, &ioc->chip->ReplyPostHostIndex);
+	if (ioc->is_warpdrive) {
+		writel(reply_q->reply_post_host_index,
+		ioc->reply_post_host_index[msix_index]);
+		atomic_dec(&reply_q->busy);
+		return IRQ_HANDLED;
+	}
+	writel(reply_q->reply_post_host_index | (msix_index <<
+	    MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex);
+	atomic_dec(&reply_q->busy);
 	return IRQ_HANDLED;
 }
 
 /**
+ * _base_is_controller_msix_enabled - is controller support muli-reply queues
+ * @ioc: per adapter object
+ *
+ */
+static inline int
+_base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc)
+{
+	return (ioc->facts.IOCCapabilities &
+	    MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
+}
+
+/**
+ * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues
+ * @ioc: per adapter object
+ * Context: ISR conext
+ *
+ * Called when a Task Management request has completed. We want
+ * to flush the other reply queues so all the outstanding IO has been
+ * completed back to OS before we process the TM completetion.
+ *
+ * Return nothing.
+ */
+void
+mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc)
+{
+	struct adapter_reply_queue *reply_q;
+
+	/* If MSIX capability is turned off
+	 * then multi-queues are not enabled
+	 */
+	if (!_base_is_controller_msix_enabled(ioc))
+		return;
+
+	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
+		if (ioc->shost_recovery)
+			return;
+		/* TMs are on msix_index == 0 */
+		if (reply_q->msix_index == 0)
+			continue;
+		_base_interrupt(reply_q->vector, (void *)reply_q);
+	}
+}
+
+/**
  * mpt2sas_base_release_callback_handler - clear interrupt callback handler
  * @cb_idx: callback index
  *
@@ -1081,74 +1139,171 @@ _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev)
 }
 
 /**
- * _base_save_msix_table - backup msix vector table
+ * _base_check_enable_msix - checks MSIX capabable.
  * @ioc: per adapter object
  *
- * This address an errata where diag reset clears out the table
+ * Check to see if card is capable of MSIX, and set number
+ * of available msix vectors
  */
-static void
-_base_save_msix_table(struct MPT2SAS_ADAPTER *ioc)
+static int
+_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)
 {
-	int i;
+	int base;
+	u16 message_control;
 
-	if (!ioc->msix_enable || ioc->msix_table_backup == NULL)
-		return;
 
-	for (i = 0; i < ioc->msix_vector_count; i++)
-		ioc->msix_table_backup[i] = ioc->msix_table[i];
+	base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
+	if (!base) {
+		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "
+		    "supported\n", ioc->name));
+		return -EINVAL;
+	}
+
+	/* get msix vector count */
+	/* NUMA_IO not supported for older controllers */
+	if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
+	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
+	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
+	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
+	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
+	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
+	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
+		ioc->msix_vector_count = 1;
+	else {
+		pci_read_config_word(ioc->pdev, base + 2, &message_control);
+		ioc->msix_vector_count = (message_control & 0x3FF) + 1;
+	}
+	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, "
+	    "vector_count(%d)\n", ioc->name, ioc->msix_vector_count));
+
+	return 0;
 }
 
 /**
- * _base_restore_msix_table - this restores the msix vector table
+ * _base_free_irq - free irq
  * @ioc: per adapter object
  *
+ * Freeing respective reply_queue from the list.
  */
 static void
-_base_restore_msix_table(struct MPT2SAS_ADAPTER *ioc)
+_base_free_irq(struct MPT2SAS_ADAPTER *ioc)
 {
-	int i;
+	struct adapter_reply_queue *reply_q, *next;
 
-	if (!ioc->msix_enable || ioc->msix_table_backup == NULL)
+	if (list_empty(&ioc->reply_queue_list))
 		return;
 
-	for (i = 0; i < ioc->msix_vector_count; i++)
-		ioc->msix_table[i] = ioc->msix_table_backup[i];
+	list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
+		list_del(&reply_q->list);
+		synchronize_irq(reply_q->vector);
+		free_irq(reply_q->vector, reply_q);
+		kfree(reply_q);
+	}
 }
 
 /**
- * _base_check_enable_msix - checks MSIX capabable.
+ * _base_request_irq - request irq
  * @ioc: per adapter object
+ * @index: msix index into vector table
+ * @vector: irq vector
  *
- * Check to see if card is capable of MSIX, and set number
- * of available msix vectors
+ * Inserting respective reply_queue into the list.
  */
 static int
-_base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)
+_base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector)
 {
-	int base;
-	u16 message_control;
-	u32 msix_table_offset;
+	struct adapter_reply_queue *reply_q;
+	int r;
 
-	base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
-	if (!base) {
-		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "
-		    "supported\n", ioc->name));
-		return -EINVAL;
+	reply_q =  kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
+	if (!reply_q) {
+		printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n",
+		    ioc->name, (int)sizeof(struct adapter_reply_queue));
+		return -ENOMEM;
+	}
+	reply_q->ioc = ioc;
+	reply_q->msix_index = index;
+	reply_q->vector = vector;
+	atomic_set(&reply_q->busy, 0);
+	if (ioc->msix_enable)
+		snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
+		    MPT2SAS_DRIVER_NAME, ioc->id, index);
+	else
+		snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
+		    MPT2SAS_DRIVER_NAME, ioc->id);
+	r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
+	    reply_q);
+	if (r) {
+		printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n",
+		    reply_q->name, vector);
+		kfree(reply_q);
+		return -EBUSY;
 	}
 
-	/* get msix vector count */
-	pci_read_config_word(ioc->pdev, base + 2, &message_control);
-	ioc->msix_vector_count = (message_control & 0x3FF) + 1;
+	INIT_LIST_HEAD(&reply_q->list);
+	list_add_tail(&reply_q->list, &ioc->reply_queue_list);
+	return 0;
+}
 
-	/* get msix table  */
-	pci_read_config_dword(ioc->pdev, base + 4, &msix_table_offset);
-	msix_table_offset &= 0xFFFFFFF8;
-	ioc->msix_table = (u32 *)((void *)ioc->chip + msix_table_offset);
+/**
+ * _base_assign_reply_queues - assigning msix index for each cpu
+ * @ioc: per adapter object
+ *
+ * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
+ *
+ * It would nice if we could call irq_set_affinity, however it is not
+ * an exported symbol
+ */
+static void
+_base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc)
+{
+	struct adapter_reply_queue *reply_q;
+	int cpu_id;
+	int cpu_grouping, loop, grouping, grouping_mod;
 
-	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, "
-	    "vector_count(%d), table_offset(0x%08x), table(%p)\n", ioc->name,
-	    ioc->msix_vector_count, msix_table_offset, ioc->msix_table));
-	return 0;
+	if (!_base_is_controller_msix_enabled(ioc))
+		return;
+
+	memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
+	/* when there are more cpus than available msix vectors,
+	 * then group cpus togeather on same irq
+	 */
+	if (ioc->cpu_count > ioc->msix_vector_count) {
+		grouping = ioc->cpu_count / ioc->msix_vector_count;
+		grouping_mod = ioc->cpu_count % ioc->msix_vector_count;
+		if (grouping < 2 || (grouping == 2 && !grouping_mod))
+			cpu_grouping = 2;
+		else if (grouping < 4 || (grouping == 4 && !grouping_mod))
+			cpu_grouping = 4;
+		else if (grouping < 8 || (grouping == 8 && !grouping_mod))
+			cpu_grouping = 8;
+		else
+			cpu_grouping = 16;
+	} else
+		cpu_grouping = 0;
+
+	loop = 0;
+	reply_q = list_entry(ioc->reply_queue_list.next,
+	     struct adapter_reply_queue, list);
+	for_each_online_cpu(cpu_id) {
+		if (!cpu_grouping) {
+			ioc->cpu_msix_table[cpu_id] = reply_q->msix_index;
+			reply_q = list_entry(reply_q->list.next,
+			    struct adapter_reply_queue, list);
+		} else {
+			if (loop < cpu_grouping) {
+				ioc->cpu_msix_table[cpu_id] =
+					reply_q->msix_index;
+				loop++;
+			} else {
+				reply_q = list_entry(reply_q->list.next,
+				    struct adapter_reply_queue, list);
+				ioc->cpu_msix_table[cpu_id] =
+					reply_q->msix_index;
+				loop = 1;
+			}
+		}
+	}
 }
 
 /**
@@ -1161,8 +1316,6 @@ _base_disable_msix(struct MPT2SAS_ADAPTER *ioc)
 {
 	if (ioc->msix_enable) {
 		pci_disable_msix(ioc->pdev);
-		kfree(ioc->msix_table_backup);
-		ioc->msix_table_backup = NULL;
 		ioc->msix_enable = 0;
 	}
 }
@@ -1175,10 +1328,13 @@ _base_disable_msix(struct MPT2SAS_ADAPTER *ioc)
 static int
 _base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
 {
-	struct msix_entry entries;
+	struct msix_entry *entries, *a;
 	int r;
+	int i;
 	u8 try_msix = 0;
 
+	INIT_LIST_HEAD(&ioc->reply_queue_list);
+
 	if (msix_disable == -1 || msix_disable == 0)
 		try_msix = 1;
 
@@ -1188,51 +1344,48 @@ _base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
 	if (_base_check_enable_msix(ioc) != 0)
 		goto try_ioapic;
 
-	ioc->msix_table_backup = kcalloc(ioc->msix_vector_count,
-	    sizeof(u32), GFP_KERNEL);
-	if (!ioc->msix_table_backup) {
-		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for "
-		    "msix_table_backup failed!!!\n", ioc->name));
+	ioc->reply_queue_count = min_t(u8, ioc->cpu_count,
+	    ioc->msix_vector_count);
+
+	entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
+	    GFP_KERNEL);
+	if (!entries) {
+		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc "
+		    "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__,
+		    __LINE__, __func__));
 		goto try_ioapic;
 	}
 
-	memset(&entries, 0, sizeof(struct msix_entry));
-	r = pci_enable_msix(ioc->pdev, &entries, 1);
+	for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
+		a->entry = i;
+
+	r = pci_enable_msix(ioc->pdev, entries, ioc->reply_queue_count);
 	if (r) {
 		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix "
 		    "failed (r=%d) !!!\n", ioc->name, r));
+		kfree(entries);
 		goto try_ioapic;
 	}
 
-	r = request_irq(entries.vector, _base_interrupt, IRQF_SHARED,
-	    ioc->name, ioc);
-	if (r) {
-		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "unable to allocate "
-		    "interrupt %d !!!\n", ioc->name, entries.vector));
-		pci_disable_msix(ioc->pdev);
-		goto try_ioapic;
+	ioc->msix_enable = 1;
+	for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
+		r = _base_request_irq(ioc, i, a->vector);
+		if (r) {
+			_base_free_irq(ioc);
+			_base_disable_msix(ioc);
+			kfree(entries);
+			goto try_ioapic;
+		}
 	}
 
-	ioc->pci_irq = entries.vector;
-	ioc->msix_enable = 1;
+	kfree(entries);
 	return 0;
 
 /* failback to io_apic interrupt routing */
  try_ioapic:
 
-	r = request_irq(ioc->pdev->irq, _base_interrupt, IRQF_SHARED,
-	    ioc->name, ioc);
-	if (r) {
-		printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n",
-		    ioc->name, ioc->pdev->irq);
-		r = -EBUSY;
-		goto out_fail;
-	}
+	r = _base_request_irq(ioc, 0, ioc->pdev->irq);
 
-	ioc->pci_irq = ioc->pdev->irq;
-	return 0;
-
- out_fail:
 	return r;
 }
 
@@ -1251,6 +1404,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	int i, r = 0;
 	u64 pio_chip = 0;
 	u64 chip_phys = 0;
+	struct adapter_reply_queue *reply_q;
 
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n",
 	    ioc->name, __func__));
@@ -1313,9 +1467,11 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	if (r)
 		goto out_fail;
 
-	printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
-	    ioc->name,  ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
-	    "IO-APIC enabled"), ioc->pci_irq);
+	list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
+		printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
+		    reply_q->name,  ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
+		    "IO-APIC enabled"), reply_q->vector);
+
 	printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
 	    ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
 	printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n",
@@ -1330,7 +1486,6 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
 	if (ioc->chip_phys)
 		iounmap(ioc->chip);
 	ioc->chip_phys = 0;
-	ioc->pci_irq = -1;
 	pci_release_selected_regions(ioc->pdev, ioc->bars);
 	pci_disable_pcie_error_reporting(pdev);
 	pci_disable_device(pdev);
@@ -1577,6 +1732,12 @@ static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
 }
 #endif
 
+static inline u8
+_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
+{
+	return ioc->cpu_msix_table[smp_processor_id()];
+}
+
 /**
  * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
  * @ioc: per adapter object
@@ -1593,7 +1754,7 @@ mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle)
 
 
 	descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
-	descriptor.SCSIIO.MSIxIndex = 0; /* TODO */
+	descriptor.SCSIIO.MSIxIndex =  _base_get_msix_index(ioc);
 	descriptor.SCSIIO.SMID = cpu_to_le16(smid);
 	descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
 	descriptor.SCSIIO.LMID = 0;
@@ -1617,7 +1778,7 @@ mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 
 	descriptor.HighPriority.RequestFlags =
 	    MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
-	descriptor.HighPriority.MSIxIndex = 0; /* TODO */
+	descriptor.HighPriority.MSIxIndex =  0;
 	descriptor.HighPriority.SMID = cpu_to_le16(smid);
 	descriptor.HighPriority.LMID = 0;
 	descriptor.HighPriority.Reserved1 = 0;
@@ -1639,7 +1800,7 @@ mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid)
 	u64 *request = (u64 *)&descriptor;
 
 	descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
-	descriptor.Default.MSIxIndex = 0; /* TODO */
+	descriptor.Default.MSIxIndex =  _base_get_msix_index(ioc);
 	descriptor.Default.SMID = cpu_to_le16(smid);
 	descriptor.Default.LMID = 0;
 	descriptor.Default.DescriptorTypeDependent = 0;
@@ -1664,7 +1825,7 @@ mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
 
 	descriptor.SCSITarget.RequestFlags =
 	    MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET;
-	descriptor.SCSITarget.MSIxIndex = 0; /* TODO */
+	descriptor.SCSITarget.MSIxIndex =  _base_get_msix_index(ioc);
 	descriptor.SCSITarget.SMID = cpu_to_le16(smid);
 	descriptor.SCSITarget.LMID = 0;
 	descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index);
@@ -2171,7 +2332,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,  int sleep_flag)
 	u16 max_sge_elements;
 	u16 num_of_reply_frames;
 	u16 chains_needed_per_io;
-	u32 sz, total_sz;
+	u32 sz, total_sz, reply_post_free_sz;
 	u32 retry_sz;
 	u16 max_request_credit;
 	int i;
@@ -2498,7 +2659,12 @@ chain_done:
 	total_sz += sz;
 
 	/* reply post queue, 16 byte align */
-	sz = ioc->reply_post_queue_depth * sizeof(Mpi2DefaultReplyDescriptor_t);
+	reply_post_free_sz = ioc->reply_post_queue_depth *
+	    sizeof(Mpi2DefaultReplyDescriptor_t);
+	if (_base_is_controller_msix_enabled(ioc))
+		sz = reply_post_free_sz * ioc->reply_queue_count;
+	else
+		sz = reply_post_free_sz;
 	ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
 	    ioc->pdev, sz, 16, 0);
 	if (!ioc->reply_post_free_dma_pool) {
@@ -3186,6 +3352,7 @@ _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	facts->MaxChainDepth = mpi_reply.MaxChainDepth;
 	facts->WhoInit = mpi_reply.WhoInit;
 	facts->NumberOfPorts = mpi_reply.NumberOfPorts;
+	facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
 	facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
 	facts->MaxReplyDescriptorPostQueueDepth =
 	    le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
@@ -3243,7 +3410,8 @@ _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION);
 	mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
 
-
+	if (_base_is_controller_msix_enabled(ioc))
+		mpi_request.HostMSIxVectors = ioc->reply_queue_count;
 	mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
 	mpi_request.ReplyDescriptorPostQueueDepth =
 	    cpu_to_le16(ioc->reply_post_queue_depth);
@@ -3512,9 +3680,6 @@ _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	u32 hcb_size;
 
 	printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name);
-
-	_base_save_msix_table(ioc);
-
 	drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n",
 	    ioc->name));
 
@@ -3610,7 +3775,6 @@ _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 		goto out;
 	}
 
-	_base_restore_msix_table(ioc);
 	printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name);
 	return 0;
 
@@ -3691,6 +3855,9 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	u16 smid;
 	struct _tr_list *delayed_tr, *delayed_tr_next;
 	u8 hide_flag;
+	struct adapter_reply_queue *reply_q;
+	long reply_post_free;
+	u32 reply_post_free_sz;
 
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
 	    __func__));
@@ -3756,19 +3923,43 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
 	    ioc->reply_sz)
 		ioc->reply_free[i] = cpu_to_le32(reply_address);
 
+	/* initialize reply queues */
+	_base_assign_reply_queues(ioc);
+
 	/* initialize Reply Post Free Queue */
-	for (i = 0; i < ioc->reply_post_queue_depth; i++)
-		ioc->reply_post_free[i].Words = cpu_to_le64(ULLONG_MAX);
+	reply_post_free = (long)ioc->reply_post_free;
+	reply_post_free_sz = ioc->reply_post_queue_depth *
+	    sizeof(Mpi2DefaultReplyDescriptor_t);
+	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
+		reply_q->reply_post_host_index = 0;
+		reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
+		    reply_post_free;
+		for (i = 0; i < ioc->reply_post_queue_depth; i++)
+			reply_q->reply_post_free[i].Words =
+							cpu_to_le64(ULLONG_MAX);
+		if (!_base_is_controller_msix_enabled(ioc))
+			goto skip_init_reply_post_free_queue;
+		reply_post_free += reply_post_free_sz;
+	}
+ skip_init_reply_post_free_queue:
 
 	r = _base_send_ioc_init(ioc, sleep_flag);
 	if (r)
 		return r;
 
-	/* initialize the index's */
+	/* initialize reply free host index */
 	ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
-	ioc->reply_post_host_index = 0;
 	writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
-	writel(0, &ioc->chip->ReplyPostHostIndex);
+
+	/* initialize reply post host index */
+	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
+		writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT,
+		    &ioc->chip->ReplyPostHostIndex);
+		if (!_base_is_controller_msix_enabled(ioc))
+			goto skip_init_reply_post_host_index;
+	}
+
+ skip_init_reply_post_host_index:
 
 	_base_unmask_interrupts(ioc);
 	r = _base_event_notification(ioc, sleep_flag);
@@ -3819,14 +4010,10 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
 	ioc->shost_recovery = 1;
 	_base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
 	ioc->shost_recovery = 0;
-	if (ioc->pci_irq) {
-		synchronize_irq(pdev->irq);
-		free_irq(ioc->pci_irq, ioc);
-	}
+	_base_free_irq(ioc);
 	_base_disable_msix(ioc);
 	if (ioc->chip_phys)
 		iounmap(ioc->chip);
-	ioc->pci_irq = -1;
 	ioc->chip_phys = 0;
 	pci_release_selected_regions(ioc->pdev, ioc->bars);
 	pci_disable_pcie_error_reporting(pdev);
@@ -3844,14 +4031,50 @@ int
 mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 {
 	int r, i;
+	int cpu_id, last_cpu_id = 0;
 
 	dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
 	    __func__));
 
+	/* setup cpu_msix_table */
+	ioc->cpu_count = num_online_cpus();
+	for_each_online_cpu(cpu_id)
+		last_cpu_id = cpu_id;
+	ioc->cpu_msix_table_sz = last_cpu_id + 1;
+	ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
+	ioc->reply_queue_count = 1;
+	if (!ioc->cpu_msix_table) {
+		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for "
+		    "cpu_msix_table failed!!!\n", ioc->name));
+		r = -ENOMEM;
+		goto out_free_resources;
+	}
+
+	if (ioc->is_warpdrive) {
+		ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
+		    sizeof(resource_size_t *), GFP_KERNEL);
+		if (!ioc->reply_post_host_index) {
+			dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation "
+				"for cpu_msix_table failed!!!\n", ioc->name));
+			r = -ENOMEM;
+			goto out_free_resources;
+		}
+	}
+
 	r = mpt2sas_base_map_resources(ioc);
 	if (r)
 		return r;
 
+	if (ioc->is_warpdrive) {
+		ioc->reply_post_host_index[0] =
+		    (resource_size_t *)&ioc->chip->ReplyPostHostIndex;
+
+		for (i = 1; i < ioc->cpu_msix_table_sz; i++)
+			ioc->reply_post_host_index[i] = (resource_size_t *)
+			((u8 *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
+			* 4)));
+	}
+
 	pci_set_drvdata(ioc->pdev, ioc->shost);
 	r = _base_get_ioc_facts(ioc, CAN_SLEEP);
 	if (r)
@@ -3972,6 +4195,9 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
 	mpt2sas_base_free_resources(ioc);
 	_base_release_memory_pools(ioc);
 	pci_set_drvdata(ioc->pdev, NULL);
+	kfree(ioc->cpu_msix_table);
+	if (ioc->is_warpdrive)
+		kfree(ioc->reply_post_host_index);
 	kfree(ioc->pd_handles);
 	kfree(ioc->tm_cmds.reply);
 	kfree(ioc->transport_cmds.reply);
@@ -4009,6 +4235,9 @@ mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
 	mpt2sas_base_free_resources(ioc);
 	_base_release_memory_pools(ioc);
 	pci_set_drvdata(ioc->pdev, NULL);
+	kfree(ioc->cpu_msix_table);
+	if (ioc->is_warpdrive)
+		kfree(ioc->reply_post_host_index);
 	kfree(ioc->pd_handles);
 	kfree(ioc->pfacts);
 	kfree(ioc->ctl_cmds.reply);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 8d5be2120c63..59354dba68c0 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -69,11 +69,11 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"09.100.00.00"
+#define MPT2SAS_DRIVER_VERSION		"09.100.00.01"
 #define MPT2SAS_MAJOR_VERSION		09
 #define MPT2SAS_MINOR_VERSION		100
 #define MPT2SAS_BUILD_VERSION		00
-#define MPT2SAS_RELEASE_VERSION		00
+#define MPT2SAS_RELEASE_VERSION		01
 
 /*
  * Set MPT2SAS_SG_DEPTH value based on user input.
@@ -544,6 +544,28 @@ struct _tr_list {
 
 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
 
+/**
+ * struct adapter_reply_queue - the reply queue struct
+ * @ioc: per adapter object
+ * @msix_index: msix index into vector table
+ * @vector: irq vector
+ * @reply_post_host_index: head index in the pool where FW completes IO
+ * @reply_post_free: reply post base virt address
+ * @name: the name registered to request_irq()
+ * @busy: isr is actively processing replies on another cpu
+ * @list: this list
+*/
+struct adapter_reply_queue {
+	struct MPT2SAS_ADAPTER	*ioc;
+	u8			msix_index;
+	unsigned int		vector;
+	u32			reply_post_host_index;
+	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
+	char			name[MPT_NAME_LENGTH];
+	atomic_t		busy;
+	struct list_head	list;
+};
+
 /* IOC Facts and Port Facts converted from little endian to cpu */
 union mpi2_version_union {
 	MPI2_VERSION_STRUCT		Struct;
@@ -606,7 +628,7 @@ enum mutex_type {
  * @list: ioc_list
  * @shost: shost object
  * @id: unique adapter id
- * @pci_irq: irq number
+ * @cpu_count: number online cpus
  * @name: generic ioc string
  * @tmp_string: tmp string used for logging
  * @pdev: pci pdev object
@@ -636,8 +658,8 @@ enum mutex_type {
  * @wait_for_port_enable_to_complete:
  * @msix_enable: flag indicating msix is enabled
  * @msix_vector_count: number msix vectors
- * @msix_table: virt address to the msix table
- * @msix_table_backup: backup msix table
+ * @cpu_msix_table: table for mapping cpus to msix index
+ * @cpu_msix_table_sz: table size
  * @scsi_io_cb_idx: shost generated commands
  * @tm_cb_idx: task management commands
  * @scsih_cb_idx: scsih internal commands
@@ -728,7 +750,8 @@ enum mutex_type {
  * @reply_post_queue_depth: reply post queue depth
  * @reply_post_free: pool for reply post (64bit descriptor)
  * @reply_post_free_dma:
- * @reply_post_free_dma_pool:
+ * @reply_queue_count: number of reply queue's
+ * @reply_queue_list: link list contaning the reply queue info
  * @reply_post_host_index: head index in the pool where FW completes IO
  * @delayed_tr_list: target reset link list
  * @delayed_tr_volume_list: volume target reset link list
@@ -737,7 +760,7 @@ struct MPT2SAS_ADAPTER {
 	struct list_head list;
 	struct Scsi_Host *shost;
 	u8		id;
-	u32		pci_irq;
+	int		cpu_count;
 	char		name[MPT_NAME_LENGTH];
 	char		tmp_string[MPT_STRING_LENGTH];
 	struct pci_dev	*pdev;
@@ -779,8 +802,9 @@ struct MPT2SAS_ADAPTER {
 
 	u8		msix_enable;
 	u16		msix_vector_count;
-	u32		*msix_table;
-	u32		*msix_table_backup;
+	u8		*cpu_msix_table;
+	resource_size_t	**reply_post_host_index;
+	u16		cpu_msix_table_sz;
 	u32		ioc_reset_count;
 
 	/* internal commands, callback index */
@@ -911,7 +935,8 @@ struct MPT2SAS_ADAPTER {
 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
 	dma_addr_t	reply_post_free_dma;
 	struct dma_pool *reply_post_free_dma_pool;
-	u32		reply_post_host_index;
+	u8		reply_queue_count;
+	struct list_head reply_queue_list;
 
 	struct list_head delayed_tr_list;
 	struct list_head delayed_tr_volume_list;
@@ -955,6 +980,7 @@ void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
 __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
     u16 smid);
+void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
 
 /* hi-priority queue */
 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index 246d5fbc6e5a..9adb0133d6fb 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -2704,6 +2704,33 @@ _ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
 static DEVICE_ATTR(ioc_reset_count, S_IRUGO,
     _ctl_ioc_reset_count_show, NULL);
 
+/**
+ * _ctl_ioc_reply_queue_count_show - number of reply queues
+ * @cdev - pointer to embedded class device
+ * @buf - the buffer returned
+ *
+ * This is number of reply queues
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t
+_ctl_ioc_reply_queue_count_show(struct device *cdev,
+	 struct device_attribute *attr, char *buf)
+{
+	u8 reply_queue_count;
+	struct Scsi_Host *shost = class_to_shost(cdev);
+	struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
+
+	if ((ioc->facts.IOCCapabilities &
+	    MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
+		reply_queue_count = ioc->reply_queue_count;
+	else
+		reply_queue_count = 1;
+	return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
+}
+static DEVICE_ATTR(reply_queue_count, S_IRUGO,
+	 _ctl_ioc_reply_queue_count_show, NULL);
+
 struct DIAG_BUFFER_START {
 	__le32 Size;
 	__le32 DiagVersion;
@@ -2914,6 +2941,7 @@ struct device_attribute *mpt2sas_host_attrs[] = {
 	&dev_attr_host_trace_buffer_size,
 	&dev_attr_host_trace_buffer,
 	&dev_attr_host_trace_buffer_enable,
+	&dev_attr_reply_queue_count,
 	NULL,
 };
 
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 5202de3f3d3f..1da1aa1a11e2 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -2161,6 +2161,7 @@ _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
 		return 1;
 	if (ioc->tm_cmds.smid != smid)
 		return 1;
+	mpt2sas_base_flush_reply_queues(ioc);
 	ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
 	mpi_reply =  mpt2sas_base_get_reply_virt_addr(ioc, reply);
 	if (mpi_reply) {
@@ -7353,6 +7354,7 @@ _scsih_remove(struct pci_dev *pdev)
 	}
 
 	sas_remove_host(shost);
+	mpt2sas_base_detach(ioc);
 	list_del(&ioc->list);
 	scsi_remove_host(shost);
 	scsi_host_put(shost);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index 15c798026217..230732241aa2 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -163,7 +163,7 @@ _transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
 		return -EIO;
 	}
 
-	memset(identify, 0, sizeof(identify));
+	memset(identify, 0, sizeof(*identify));
 	device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
 
 	/* sas_address */
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
index 3501291618fd..7e423e5ad5e1 100644
--- a/drivers/scsi/mvsas/mv_94xx.c
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -398,6 +398,16 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
 	/* init phys */
 	mvs_phy_hacks(mvi);
 
+	/* disable non data frame retry */
+	tmp = mvs_cr32(mvi, CMD_SAS_CTL1);
+	if ((revision == VANIR_A0_REV) ||
+		(revision == VANIR_B0_REV) ||
+		(revision == VANIR_C0_REV)) {
+		tmp &= ~0xffff;
+		tmp |= 0x007f;
+		mvs_cw32(mvi, CMD_SAS_CTL1, tmp);
+	}
+
 	/* set LED blink when IO*/
 	mw32(MVS_PA_VSR_ADDR, VSR_PHY_ACT_LED);
 	tmp = mr32(MVS_PA_VSR_PORT);
@@ -500,6 +510,27 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
 	tmp |= CINT_PHY_MASK;
 	mw32(MVS_INT_MASK, tmp);
 
+	tmp = mvs_cr32(mvi, CMD_LINK_TIMER);
+	tmp |= 0xFFFF0000;
+	mvs_cw32(mvi, CMD_LINK_TIMER, tmp);
+
+	/* tune STP performance */
+	tmp = 0x003F003F;
+	mvs_cw32(mvi, CMD_PL_TIMER, tmp);
+
+	/* This can improve expander large block size seq write performance */
+	tmp = mvs_cr32(mvi, CMD_PORT_LAYER_TIMER1);
+	tmp |= 0xFFFF007F;
+	mvs_cw32(mvi, CMD_PORT_LAYER_TIMER1, tmp);
+
+	/* change the connection open-close behavior (bit 9)
+	 * set bit8 to 1 for performance tuning */
+	tmp = mvs_cr32(mvi, CMD_SL_MODE0);
+	tmp |= 0x00000300;
+	/* set bit0 to 0 to enable retry for no_dest reject case */
+	tmp &= 0xFFFFFFFE;
+	mvs_cw32(mvi, CMD_SL_MODE0, tmp);
+
 	/* Enable SRS interrupt */
 	mw32(MVS_INT_MASK_SRS_0, 0xFFFF);
 
@@ -823,6 +854,10 @@ static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i,
 		phy->att_dev_info = PORT_DEV_STP_TRGT | 1;
 	}
 
+	/* enable spin up bit */
+	mvs_write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+	mvs_write_port_cfg_data(mvi, i, 0x04);
+
 }
 
 void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id,
diff --git a/drivers/scsi/mvsas/mv_defs.h b/drivers/scsi/mvsas/mv_defs.h
index dec7cadb7485..f5451940d289 100644
--- a/drivers/scsi/mvsas/mv_defs.h
+++ b/drivers/scsi/mvsas/mv_defs.h
@@ -387,6 +387,8 @@ enum sas_cmd_port_registers {
 	CMD_SL_MODE0		= 0x1BC, /* SL Mode 0 */
 	CMD_SL_MODE1		= 0x1C0, /* SL Mode 1 */
 	CMD_PND_FIFO_CTL1	= 0x1C4, /* Pending FIFO Control 1 */
+	CMD_PORT_LAYER_TIMER1	= 0x1E0, /* Port Layer Timer 1 */
+	CMD_LINK_TIMER		= 0x1E4, /* Link Timer */
 };
 
 enum mvs_info_flags {
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 4e9af66fd1d3..621b5e072758 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -59,7 +59,7 @@ static struct scsi_host_template mvs_sht = {
 	.name			= DRV_NAME,
 	.queuecommand		= sas_queuecommand,
 	.target_alloc		= sas_target_alloc,
-	.slave_configure	= mvs_slave_configure,
+	.slave_configure	= sas_slave_configure,
 	.slave_destroy		= sas_slave_destroy,
 	.scan_finished		= mvs_scan_finished,
 	.scan_start		= mvs_scan_start,
@@ -74,7 +74,7 @@ static struct scsi_host_template mvs_sht = {
 	.use_clustering		= ENABLE_CLUSTERING,
 	.eh_device_reset_handler = sas_eh_device_reset_handler,
 	.eh_bus_reset_handler	= sas_eh_bus_reset_handler,
-	.slave_alloc		= mvs_slave_alloc,
+	.slave_alloc		= sas_slave_alloc,
 	.target_destroy		= sas_target_destroy,
 	.ioctl			= sas_ioctl,
 	.shost_attrs		= mvst_host_attrs,
@@ -707,6 +707,15 @@ static struct pci_device_id __devinitdata mvs_pci_table[] = {
 	{ PCI_VDEVICE(TTI, 0x2760), chip_9480 },
 	{
 		.vendor		= 0x1b4b,
+		.device		= 0x9480,
+		.subvendor	= PCI_ANY_ID,
+		.subdevice	= 0x9480,
+		.class		= 0,
+		.class_mask	= 0,
+		.driver_data	= chip_9480,
+	},
+	{
+		.vendor		= 0x1b4b,
 		.device		= 0x9445,
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= 0x9480,
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 4958fefff365..a4884a57cf79 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -214,7 +214,7 @@ int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
 		break;
 	case PHY_FUNC_RELEASE_SPINUP_HOLD:
 	default:
-		rc = -EOPNOTSUPP;
+		rc = -ENOSYS;
 	}
 	msleep(200);
 	return rc;
@@ -265,6 +265,12 @@ static void mvs_bytes_dmaed(struct mvs_info *mvi, int i)
 		id->dev_type = phy->identify.device_type;
 		id->initiator_bits = SAS_PROTOCOL_ALL;
 		id->target_bits = phy->identify.target_port_protocols;
+
+		/* direct attached SAS device */
+		if (phy->att_dev_info & PORT_SSP_TRGT_MASK) {
+			MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+			MVS_CHIP_DISP->write_port_cfg_data(mvi, i, 0x00);
+		}
 	} else if (phy->phy_type & PORT_TYPE_SATA) {
 		/*Nothing*/
 	}
@@ -276,36 +282,6 @@ static void mvs_bytes_dmaed(struct mvs_info *mvi, int i)
 				   PORTE_BYTES_DMAED);
 }
 
-int mvs_slave_alloc(struct scsi_device *scsi_dev)
-{
-	struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
-	if (dev_is_sata(dev)) {
-		/* We don't need to rescan targets
-		 * if REPORT_LUNS request is failed
-		 */
-		if (scsi_dev->lun > 0)
-			return -ENXIO;
-		scsi_dev->tagged_supported = 1;
-	}
-
-	return sas_slave_alloc(scsi_dev);
-}
-
-int mvs_slave_configure(struct scsi_device *sdev)
-{
-	struct domain_device *dev = sdev_to_domain_dev(sdev);
-	int ret = sas_slave_configure(sdev);
-
-	if (ret)
-		return ret;
-	if (!dev_is_sata(dev)) {
-		sas_change_queue_depth(sdev,
-			MVS_QUEUE_SIZE,
-			SCSI_QDEPTH_DEFAULT);
-	}
-	return 0;
-}
-
 void mvs_scan_start(struct Scsi_Host *shost)
 {
 	int i, j;
@@ -426,7 +402,7 @@ static int mvs_task_prep_smp(struct mvs_info *mvi,
 	/* generate open address frame hdr (first 12 bytes) */
 	/* initiator, SMP, ftype 1h */
 	buf_oaf[0] = (1 << 7) | (PROTOCOL_SMP << 4) | 0x01;
-	buf_oaf[1] = dev->linkrate & 0xf;
+	buf_oaf[1] = min(sas_port->linkrate, dev->linkrate) & 0xf;
 	*(u16 *)(buf_oaf + 2) = 0xFFFF;		/* SAS SPEC */
 	memcpy(buf_oaf + 4, dev->sas_addr, SAS_ADDR_SIZE);
 
@@ -571,7 +547,7 @@ static int mvs_task_prep_ata(struct mvs_info *mvi,
 	/* generate open address frame hdr (first 12 bytes) */
 	/* initiator, STP, ftype 1h */
 	buf_oaf[0] = (1 << 7) | (PROTOCOL_STP << 4) | 0x1;
-	buf_oaf[1] = dev->linkrate & 0xf;
+	buf_oaf[1] = min(sas_port->linkrate, dev->linkrate) & 0xf;
 	*(u16 *)(buf_oaf + 2) = cpu_to_be16(mvi_dev->device_id + 1);
 	memcpy(buf_oaf + 4, dev->sas_addr, SAS_ADDR_SIZE);
 
@@ -679,7 +655,7 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi,
 	/* generate open address frame hdr (first 12 bytes) */
 	/* initiator, SSP, ftype 1h */
 	buf_oaf[0] = (1 << 7) | (PROTOCOL_SSP << 4) | 0x1;
-	buf_oaf[1] = dev->linkrate & 0xf;
+	buf_oaf[1] = min(sas_port->linkrate, dev->linkrate) & 0xf;
 	*(u16 *)(buf_oaf + 2) = cpu_to_be16(mvi_dev->device_id + 1);
 	memcpy(buf_oaf + 4, dev->sas_addr, SAS_ADDR_SIZE);
 
@@ -1241,6 +1217,12 @@ static void mvs_port_notify_formed(struct asd_sas_phy *sas_phy, int lock)
 		port->wide_port_phymap = sas_port->phy_mask;
 		mv_printk("set wide port phy map %x\n", sas_port->phy_mask);
 		mvs_update_wideport(mvi, sas_phy->id);
+
+		/* direct attached SAS device */
+		if (phy->att_dev_info & PORT_SSP_TRGT_MASK) {
+			MVS_CHIP_DISP->write_port_cfg_addr(mvi, i, PHYR_PHY_STAT);
+			MVS_CHIP_DISP->write_port_cfg_data(mvi, i, 0x04);
+		}
 	}
 	if (lock)
 		spin_unlock_irqrestore(&mvi->lock, flags);
@@ -1387,28 +1369,6 @@ void mvs_dev_gone(struct domain_device *dev)
 	mvs_dev_gone_notify(dev);
 }
 
-static  struct sas_task *mvs_alloc_task(void)
-{
-	struct sas_task *task = kzalloc(sizeof(struct sas_task), GFP_KERNEL);
-
-	if (task) {
-		INIT_LIST_HEAD(&task->list);
-		spin_lock_init(&task->task_state_lock);
-		task->task_state_flags = SAS_TASK_STATE_PENDING;
-		init_timer(&task->timer);
-		init_completion(&task->completion);
-	}
-	return task;
-}
-
-static  void mvs_free_task(struct sas_task *task)
-{
-	if (task) {
-		BUG_ON(!list_empty(&task->list));
-		kfree(task);
-	}
-}
-
 static void mvs_task_done(struct sas_task *task)
 {
 	if (!del_timer(&task->timer))
@@ -1432,7 +1392,7 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev,
 	struct sas_task *task = NULL;
 
 	for (retry = 0; retry < 3; retry++) {
-		task = mvs_alloc_task();
+		task = sas_alloc_task(GFP_KERNEL);
 		if (!task)
 			return -ENOMEM;
 
@@ -1490,15 +1450,14 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev,
 				    SAS_ADDR(dev->sas_addr),
 				    task->task_status.resp,
 				    task->task_status.stat);
-			mvs_free_task(task);
+			sas_free_task(task);
 			task = NULL;
 
 		}
 	}
 ex_err:
 	BUG_ON(retry == 3 && task != NULL);
-	if (task != NULL)
-		mvs_free_task(task);
+	sas_free_task(task);
 	return res;
 }
 
diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h
index 44b474513223..c04a4f5b5972 100644
--- a/drivers/scsi/mvsas/mv_sas.h
+++ b/drivers/scsi/mvsas/mv_sas.h
@@ -46,7 +46,7 @@
 #include "mv_defs.h"
 
 #define DRV_NAME		"mvsas"
-#define DRV_VERSION		"0.8.2"
+#define DRV_VERSION		"0.8.16"
 #define MVS_ID_NOT_MAPPED	0x7f
 #define WIDE_PORT_MAX_PHY		4
 #define mv_printk(fmt, arg ...)	\
@@ -458,8 +458,6 @@ int mvs_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
 			void *funcdata);
 void __devinit mvs_set_sas_addr(struct mvs_info *mvi, int port_id,
 				u32 off_lo, u32 off_hi, u64 sas_addr);
-int mvs_slave_alloc(struct scsi_device *scsi_dev);
-int mvs_slave_configure(struct scsi_device *sdev);
 void mvs_scan_start(struct Scsi_Host *shost);
 int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time);
 int mvs_queue_command(struct sas_task *task, const int num,
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
new file mode 100644
index 000000000000..88cf1db21a79
--- /dev/null
+++ b/drivers/scsi/mvumi.c
@@ -0,0 +1,2018 @@
+/*
+ * Marvell UMI driver
+ *
+ * Copyright 2011 Marvell. <jyli@marvell.com>
+ *
+ * This file is licensed under GPLv2.
+ *
+ * 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.
+ *
+ * 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/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/pci.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/blkdev.h>
+#include <linux/io.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_eh.h>
+#include <linux/uaccess.h>
+
+#include "mvumi.h"
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("jyli@marvell.com");
+MODULE_DESCRIPTION("Marvell UMI Driver");
+
+static DEFINE_PCI_DEVICE_TABLE(mvumi_pci_table) = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_2, PCI_DEVICE_ID_MARVELL_MV9143) },
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, mvumi_pci_table);
+
+static void tag_init(struct mvumi_tag *st, unsigned short size)
+{
+	unsigned short i;
+	BUG_ON(size != st->size);
+	st->top = size;
+	for (i = 0; i < size; i++)
+		st->stack[i] = size - 1 - i;
+}
+
+static unsigned short tag_get_one(struct mvumi_hba *mhba, struct mvumi_tag *st)
+{
+	BUG_ON(st->top <= 0);
+	return st->stack[--st->top];
+}
+
+static void tag_release_one(struct mvumi_hba *mhba, struct mvumi_tag *st,
+							unsigned short tag)
+{
+	BUG_ON(st->top >= st->size);
+	st->stack[st->top++] = tag;
+}
+
+static bool tag_is_empty(struct mvumi_tag *st)
+{
+	if (st->top == 0)
+		return 1;
+	else
+		return 0;
+}
+
+static void mvumi_unmap_pci_addr(struct pci_dev *dev, void **addr_array)
+{
+	int i;
+
+	for (i = 0; i < MAX_BASE_ADDRESS; i++)
+		if ((pci_resource_flags(dev, i) & IORESOURCE_MEM) &&
+								addr_array[i])
+			pci_iounmap(dev, addr_array[i]);
+}
+
+static int mvumi_map_pci_addr(struct pci_dev *dev, void **addr_array)
+{
+	int i;
+
+	for (i = 0; i < MAX_BASE_ADDRESS; i++) {
+		if (pci_resource_flags(dev, i) & IORESOURCE_MEM) {
+			addr_array[i] = pci_iomap(dev, i, 0);
+			if (!addr_array[i]) {
+				dev_err(&dev->dev, "failed to map Bar[%d]\n",
+									i);
+				mvumi_unmap_pci_addr(dev, addr_array);
+				return -ENOMEM;
+			}
+		} else
+			addr_array[i] = NULL;
+
+		dev_dbg(&dev->dev, "Bar %d : %p.\n", i, addr_array[i]);
+	}
+
+	return 0;
+}
+
+static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba,
+				enum resource_type type, unsigned int size)
+{
+	struct mvumi_res *res = kzalloc(sizeof(*res), GFP_KERNEL);
+
+	if (!res) {
+		dev_err(&mhba->pdev->dev,
+			"Failed to allocate memory for resouce manager.\n");
+		return NULL;
+	}
+
+	switch (type) {
+	case RESOURCE_CACHED_MEMORY:
+		res->virt_addr = kzalloc(size, GFP_KERNEL);
+		if (!res->virt_addr) {
+			dev_err(&mhba->pdev->dev,
+				"unable to allocate memory,size = %d.\n", size);
+			kfree(res);
+			return NULL;
+		}
+		break;
+
+	case RESOURCE_UNCACHED_MEMORY:
+		size = round_up(size, 8);
+		res->virt_addr = pci_alloc_consistent(mhba->pdev, size,
+							&res->bus_addr);
+		if (!res->virt_addr) {
+			dev_err(&mhba->pdev->dev,
+					"unable to allocate consistent mem,"
+							"size = %d.\n", size);
+			kfree(res);
+			return NULL;
+		}
+		memset(res->virt_addr, 0, size);
+		break;
+
+	default:
+		dev_err(&mhba->pdev->dev, "unknown resource type %d.\n", type);
+		kfree(res);
+		return NULL;
+	}
+
+	res->type = type;
+	res->size = size;
+	INIT_LIST_HEAD(&res->entry);
+	list_add_tail(&res->entry, &mhba->res_list);
+
+	return res;
+}
+
+static void mvumi_release_mem_resource(struct mvumi_hba *mhba)
+{
+	struct mvumi_res *res, *tmp;
+
+	list_for_each_entry_safe(res, tmp, &mhba->res_list, entry) {
+		switch (res->type) {
+		case RESOURCE_UNCACHED_MEMORY:
+			pci_free_consistent(mhba->pdev, res->size,
+						res->virt_addr, res->bus_addr);
+			break;
+		case RESOURCE_CACHED_MEMORY:
+			kfree(res->virt_addr);
+			break;
+		default:
+			dev_err(&mhba->pdev->dev,
+				"unknown resource type %d\n", res->type);
+			break;
+		}
+		list_del(&res->entry);
+		kfree(res);
+	}
+	mhba->fw_flag &= ~MVUMI_FW_ALLOC;
+}
+
+/**
+ * mvumi_make_sgl -	Prepares  SGL
+ * @mhba:		Adapter soft state
+ * @scmd:		SCSI command from the mid-layer
+ * @sgl_p:		SGL to be filled in
+ * @sg_count		return the number of SG elements
+ *
+ * If successful, this function returns 0. otherwise, it returns -1.
+ */
+static int mvumi_make_sgl(struct mvumi_hba *mhba, struct scsi_cmnd *scmd,
+					void *sgl_p, unsigned char *sg_count)
+{
+	struct scatterlist *sg;
+	struct mvumi_sgl *m_sg = (struct mvumi_sgl *) sgl_p;
+	unsigned int i;
+	unsigned int sgnum = scsi_sg_count(scmd);
+	dma_addr_t busaddr;
+
+	if (sgnum) {
+		sg = scsi_sglist(scmd);
+		*sg_count = pci_map_sg(mhba->pdev, sg, sgnum,
+				(int) scmd->sc_data_direction);
+		if (*sg_count > mhba->max_sge) {
+			dev_err(&mhba->pdev->dev, "sg count[0x%x] is bigger "
+						"than max sg[0x%x].\n",
+						*sg_count, mhba->max_sge);
+			return -1;
+		}
+		for (i = 0; i < *sg_count; i++) {
+			busaddr = sg_dma_address(&sg[i]);
+			m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr));
+			m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr));
+			m_sg->flags = 0;
+			m_sg->size = cpu_to_le32(sg_dma_len(&sg[i]));
+			if ((i + 1) == *sg_count)
+				m_sg->flags |= SGD_EOT;
+
+			m_sg++;
+		}
+	} else {
+		scmd->SCp.dma_handle = scsi_bufflen(scmd) ?
+			pci_map_single(mhba->pdev, scsi_sglist(scmd),
+				scsi_bufflen(scmd),
+				(int) scmd->sc_data_direction)
+			: 0;
+		busaddr = scmd->SCp.dma_handle;
+		m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr));
+		m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr));
+		m_sg->flags = SGD_EOT;
+		m_sg->size = cpu_to_le32(scsi_bufflen(scmd));
+		*sg_count = 1;
+	}
+
+	return 0;
+}
+
+static int mvumi_internal_cmd_sgl(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
+							unsigned int size)
+{
+	struct mvumi_sgl *m_sg;
+	void *virt_addr;
+	dma_addr_t phy_addr;
+
+	if (size == 0)
+		return 0;
+
+	virt_addr = pci_alloc_consistent(mhba->pdev, size, &phy_addr);
+	if (!virt_addr)
+		return -1;
+
+	memset(virt_addr, 0, size);
+
+	m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0];
+	cmd->frame->sg_counts = 1;
+	cmd->data_buf = virt_addr;
+
+	m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(phy_addr));
+	m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(phy_addr));
+	m_sg->flags = SGD_EOT;
+	m_sg->size = cpu_to_le32(size);
+
+	return 0;
+}
+
+static struct mvumi_cmd *mvumi_create_internal_cmd(struct mvumi_hba *mhba,
+				unsigned int buf_size)
+{
+	struct mvumi_cmd *cmd;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd) {
+		dev_err(&mhba->pdev->dev, "failed to create a internal cmd\n");
+		return NULL;
+	}
+	INIT_LIST_HEAD(&cmd->queue_pointer);
+
+	cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL);
+	if (!cmd->frame) {
+		dev_err(&mhba->pdev->dev, "failed to allocate memory for FW"
+			" frame,size = %d.\n", mhba->ib_max_size);
+		kfree(cmd);
+		return NULL;
+	}
+
+	if (buf_size) {
+		if (mvumi_internal_cmd_sgl(mhba, cmd, buf_size)) {
+			dev_err(&mhba->pdev->dev, "failed to allocate memory"
+						" for internal frame\n");
+			kfree(cmd->frame);
+			kfree(cmd);
+			return NULL;
+		}
+	} else
+		cmd->frame->sg_counts = 0;
+
+	return cmd;
+}
+
+static void mvumi_delete_internal_cmd(struct mvumi_hba *mhba,
+						struct mvumi_cmd *cmd)
+{
+	struct mvumi_sgl *m_sg;
+	unsigned int size;
+	dma_addr_t phy_addr;
+
+	if (cmd && cmd->frame) {
+		if (cmd->frame->sg_counts) {
+			m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0];
+			size = m_sg->size;
+
+			phy_addr = (dma_addr_t) m_sg->baseaddr_l |
+				(dma_addr_t) ((m_sg->baseaddr_h << 16) << 16);
+
+			pci_free_consistent(mhba->pdev, size, cmd->data_buf,
+								phy_addr);
+		}
+		kfree(cmd->frame);
+		kfree(cmd);
+	}
+}
+
+/**
+ * mvumi_get_cmd -	Get a command from the free pool
+ * @mhba:		Adapter soft state
+ *
+ * Returns a free command from the pool
+ */
+static struct mvumi_cmd *mvumi_get_cmd(struct mvumi_hba *mhba)
+{
+	struct mvumi_cmd *cmd = NULL;
+
+	if (likely(!list_empty(&mhba->cmd_pool))) {
+		cmd = list_entry((&mhba->cmd_pool)->next,
+				struct mvumi_cmd, queue_pointer);
+		list_del_init(&cmd->queue_pointer);
+	} else
+		dev_warn(&mhba->pdev->dev, "command pool is empty!\n");
+
+	return cmd;
+}
+
+/**
+ * mvumi_return_cmd -	Return a cmd to free command pool
+ * @mhba:		Adapter soft state
+ * @cmd:		Command packet to be returned to free command pool
+ */
+static inline void mvumi_return_cmd(struct mvumi_hba *mhba,
+						struct mvumi_cmd *cmd)
+{
+	cmd->scmd = NULL;
+	list_add_tail(&cmd->queue_pointer, &mhba->cmd_pool);
+}
+
+/**
+ * mvumi_free_cmds -	Free all the cmds in the free cmd pool
+ * @mhba:		Adapter soft state
+ */
+static void mvumi_free_cmds(struct mvumi_hba *mhba)
+{
+	struct mvumi_cmd *cmd;
+
+	while (!list_empty(&mhba->cmd_pool)) {
+		cmd = list_first_entry(&mhba->cmd_pool, struct mvumi_cmd,
+							queue_pointer);
+		list_del(&cmd->queue_pointer);
+		kfree(cmd->frame);
+		kfree(cmd);
+	}
+}
+
+/**
+ * mvumi_alloc_cmds -	Allocates the command packets
+ * @mhba:		Adapter soft state
+ *
+ */
+static int mvumi_alloc_cmds(struct mvumi_hba *mhba)
+{
+	int i;
+	struct mvumi_cmd *cmd;
+
+	for (i = 0; i < mhba->max_io; i++) {
+		cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+		if (!cmd)
+			goto err_exit;
+
+		INIT_LIST_HEAD(&cmd->queue_pointer);
+		list_add_tail(&cmd->queue_pointer, &mhba->cmd_pool);
+		cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL);
+		if (!cmd->frame)
+			goto err_exit;
+	}
+	return 0;
+
+err_exit:
+	dev_err(&mhba->pdev->dev,
+			"failed to allocate memory for cmd[0x%x].\n", i);
+	while (!list_empty(&mhba->cmd_pool)) {
+		cmd = list_first_entry(&mhba->cmd_pool, struct mvumi_cmd,
+						queue_pointer);
+		list_del(&cmd->queue_pointer);
+		kfree(cmd->frame);
+		kfree(cmd);
+	}
+	return -ENOMEM;
+}
+
+static int mvumi_get_ib_list_entry(struct mvumi_hba *mhba, void **ib_entry)
+{
+	unsigned int ib_rp_reg, cur_ib_entry;
+
+	if (atomic_read(&mhba->fw_outstanding) >= mhba->max_io) {
+		dev_warn(&mhba->pdev->dev, "firmware io overflow.\n");
+		return -1;
+	}
+	ib_rp_reg = ioread32(mhba->mmio + CLA_INB_READ_POINTER);
+
+	if (unlikely(((ib_rp_reg & CL_SLOT_NUM_MASK) ==
+			(mhba->ib_cur_slot & CL_SLOT_NUM_MASK)) &&
+			((ib_rp_reg & CL_POINTER_TOGGLE) !=
+			(mhba->ib_cur_slot & CL_POINTER_TOGGLE)))) {
+		dev_warn(&mhba->pdev->dev, "no free slot to use.\n");
+		return -1;
+	}
+
+	cur_ib_entry = mhba->ib_cur_slot & CL_SLOT_NUM_MASK;
+	cur_ib_entry++;
+	if (cur_ib_entry >= mhba->list_num_io) {
+		cur_ib_entry -= mhba->list_num_io;
+		mhba->ib_cur_slot ^= CL_POINTER_TOGGLE;
+	}
+	mhba->ib_cur_slot &= ~CL_SLOT_NUM_MASK;
+	mhba->ib_cur_slot |= (cur_ib_entry & CL_SLOT_NUM_MASK);
+	*ib_entry = mhba->ib_list + cur_ib_entry * mhba->ib_max_size;
+	atomic_inc(&mhba->fw_outstanding);
+
+	return 0;
+}
+
+static void mvumi_send_ib_list_entry(struct mvumi_hba *mhba)
+{
+	iowrite32(0xfff, mhba->ib_shadow);
+	iowrite32(mhba->ib_cur_slot, mhba->mmio + CLA_INB_WRITE_POINTER);
+}
+
+static char mvumi_check_ob_frame(struct mvumi_hba *mhba,
+		unsigned int cur_obf, struct mvumi_rsp_frame *p_outb_frame)
+{
+	unsigned short tag, request_id;
+
+	udelay(1);
+	p_outb_frame = mhba->ob_list + cur_obf * mhba->ob_max_size;
+	request_id = p_outb_frame->request_id;
+	tag = p_outb_frame->tag;
+	if (tag > mhba->tag_pool.size) {
+		dev_err(&mhba->pdev->dev, "ob frame data error\n");
+		return -1;
+	}
+	if (mhba->tag_cmd[tag] == NULL) {
+		dev_err(&mhba->pdev->dev, "tag[0x%x] with NO command\n", tag);
+		return -1;
+	} else if (mhba->tag_cmd[tag]->request_id != request_id &&
+						mhba->request_id_enabled) {
+			dev_err(&mhba->pdev->dev, "request ID from FW:0x%x,"
+					"cmd request ID:0x%x\n", request_id,
+					mhba->tag_cmd[tag]->request_id);
+			return -1;
+	}
+
+	return 0;
+}
+
+static void mvumi_receive_ob_list_entry(struct mvumi_hba *mhba)
+{
+	unsigned int ob_write_reg, ob_write_shadow_reg;
+	unsigned int cur_obf, assign_obf_end, i;
+	struct mvumi_ob_data *ob_data;
+	struct mvumi_rsp_frame *p_outb_frame;
+
+	do {
+		ob_write_reg = ioread32(mhba->mmio + CLA_OUTB_COPY_POINTER);
+		ob_write_shadow_reg = ioread32(mhba->ob_shadow);
+	} while ((ob_write_reg & CL_SLOT_NUM_MASK) != ob_write_shadow_reg);
+
+	cur_obf = mhba->ob_cur_slot & CL_SLOT_NUM_MASK;
+	assign_obf_end = ob_write_reg & CL_SLOT_NUM_MASK;
+
+	if ((ob_write_reg & CL_POINTER_TOGGLE) !=
+				(mhba->ob_cur_slot & CL_POINTER_TOGGLE)) {
+		assign_obf_end += mhba->list_num_io;
+	}
+
+	for (i = (assign_obf_end - cur_obf); i != 0; i--) {
+		cur_obf++;
+		if (cur_obf >= mhba->list_num_io) {
+			cur_obf -= mhba->list_num_io;
+			mhba->ob_cur_slot ^= CL_POINTER_TOGGLE;
+		}
+
+		p_outb_frame = mhba->ob_list + cur_obf * mhba->ob_max_size;
+
+		/* Copy pointer may point to entry in outbound list
+		*  before entry has valid data
+		*/
+		if (unlikely(p_outb_frame->tag > mhba->tag_pool.size ||
+			mhba->tag_cmd[p_outb_frame->tag] == NULL ||
+			p_outb_frame->request_id !=
+				mhba->tag_cmd[p_outb_frame->tag]->request_id))
+			if (mvumi_check_ob_frame(mhba, cur_obf, p_outb_frame))
+				continue;
+
+		if (!list_empty(&mhba->ob_data_list)) {
+			ob_data = (struct mvumi_ob_data *)
+				list_first_entry(&mhba->ob_data_list,
+					struct mvumi_ob_data, list);
+			list_del_init(&ob_data->list);
+		} else {
+			ob_data = NULL;
+			if (cur_obf == 0) {
+				cur_obf = mhba->list_num_io - 1;
+				mhba->ob_cur_slot ^= CL_POINTER_TOGGLE;
+			} else
+				cur_obf -= 1;
+			break;
+		}
+
+		memcpy(ob_data->data, p_outb_frame, mhba->ob_max_size);
+		p_outb_frame->tag = 0xff;
+
+		list_add_tail(&ob_data->list, &mhba->free_ob_list);
+	}
+	mhba->ob_cur_slot &= ~CL_SLOT_NUM_MASK;
+	mhba->ob_cur_slot |= (cur_obf & CL_SLOT_NUM_MASK);
+	iowrite32(mhba->ob_cur_slot, mhba->mmio + CLA_OUTB_READ_POINTER);
+}
+
+static void mvumi_reset(void *regs)
+{
+	iowrite32(0, regs + CPU_ENPOINTA_MASK_REG);
+	if (ioread32(regs + CPU_ARM_TO_PCIEA_MSG1) != HANDSHAKE_DONESTATE)
+		return;
+
+	iowrite32(DRBL_SOFT_RESET, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+}
+
+static unsigned char mvumi_start(struct mvumi_hba *mhba);
+
+static int mvumi_wait_for_outstanding(struct mvumi_hba *mhba)
+{
+	mhba->fw_state = FW_STATE_ABORT;
+	mvumi_reset(mhba->mmio);
+
+	if (mvumi_start(mhba))
+		return FAILED;
+	else
+		return SUCCESS;
+}
+
+static int mvumi_host_reset(struct scsi_cmnd *scmd)
+{
+	struct mvumi_hba *mhba;
+
+	mhba = (struct mvumi_hba *) scmd->device->host->hostdata;
+
+	scmd_printk(KERN_NOTICE, scmd, "RESET -%ld cmd=%x retries=%x\n",
+			scmd->serial_number, scmd->cmnd[0], scmd->retries);
+
+	return mvumi_wait_for_outstanding(mhba);
+}
+
+static int mvumi_issue_blocked_cmd(struct mvumi_hba *mhba,
+						struct mvumi_cmd *cmd)
+{
+	unsigned long flags;
+
+	cmd->cmd_status = REQ_STATUS_PENDING;
+
+	if (atomic_read(&cmd->sync_cmd)) {
+		dev_err(&mhba->pdev->dev,
+			"last blocked cmd not finished, sync_cmd = %d\n",
+						atomic_read(&cmd->sync_cmd));
+		BUG_ON(1);
+		return -1;
+	}
+	atomic_inc(&cmd->sync_cmd);
+	spin_lock_irqsave(mhba->shost->host_lock, flags);
+	mhba->instancet->fire_cmd(mhba, cmd);
+	spin_unlock_irqrestore(mhba->shost->host_lock, flags);
+
+	wait_event_timeout(mhba->int_cmd_wait_q,
+		(cmd->cmd_status != REQ_STATUS_PENDING),
+		MVUMI_INTERNAL_CMD_WAIT_TIME * HZ);
+
+	/* command timeout */
+	if (atomic_read(&cmd->sync_cmd)) {
+		spin_lock_irqsave(mhba->shost->host_lock, flags);
+		atomic_dec(&cmd->sync_cmd);
+		if (mhba->tag_cmd[cmd->frame->tag]) {
+			mhba->tag_cmd[cmd->frame->tag] = 0;
+			dev_warn(&mhba->pdev->dev, "TIMEOUT:release tag [%d]\n",
+							cmd->frame->tag);
+			tag_release_one(mhba, &mhba->tag_pool, cmd->frame->tag);
+		}
+		if (!list_empty(&cmd->queue_pointer)) {
+			dev_warn(&mhba->pdev->dev,
+				"TIMEOUT:A internal command doesn't send!\n");
+			list_del_init(&cmd->queue_pointer);
+		} else
+			atomic_dec(&mhba->fw_outstanding);
+
+		spin_unlock_irqrestore(mhba->shost->host_lock, flags);
+	}
+	return 0;
+}
+
+static void mvumi_release_fw(struct mvumi_hba *mhba)
+{
+	mvumi_free_cmds(mhba);
+	mvumi_release_mem_resource(mhba);
+	mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr);
+	kfree(mhba->handshake_page);
+	pci_release_regions(mhba->pdev);
+}
+
+static unsigned char mvumi_flush_cache(struct mvumi_hba *mhba)
+{
+	struct mvumi_cmd *cmd;
+	struct mvumi_msg_frame *frame;
+	unsigned char device_id, retry = 0;
+	unsigned char bitcount = sizeof(unsigned char) * 8;
+
+	for (device_id = 0; device_id < mhba->max_target_id; device_id++) {
+		if (!(mhba->target_map[device_id / bitcount] &
+				(1 << (device_id % bitcount))))
+			continue;
+get_cmd:	cmd = mvumi_create_internal_cmd(mhba, 0);
+		if (!cmd) {
+			if (retry++ >= 5) {
+				dev_err(&mhba->pdev->dev, "failed to get memory"
+					" for internal flush cache cmd for "
+					"device %d", device_id);
+				retry = 0;
+				continue;
+			} else
+				goto get_cmd;
+		}
+		cmd->scmd = NULL;
+		cmd->cmd_status = REQ_STATUS_PENDING;
+		atomic_set(&cmd->sync_cmd, 0);
+		frame = cmd->frame;
+		frame->req_function = CL_FUN_SCSI_CMD;
+		frame->device_id = device_id;
+		frame->cmd_flag = CMD_FLAG_NON_DATA;
+		frame->data_transfer_length = 0;
+		frame->cdb_length = MAX_COMMAND_SIZE;
+		memset(frame->cdb, 0, MAX_COMMAND_SIZE);
+		frame->cdb[0] = SCSI_CMD_MARVELL_SPECIFIC;
+		frame->cdb[2] = CDB_CORE_SHUTDOWN;
+
+		mvumi_issue_blocked_cmd(mhba, cmd);
+		if (cmd->cmd_status != SAM_STAT_GOOD) {
+			dev_err(&mhba->pdev->dev,
+				"device %d flush cache failed, status=0x%x.\n",
+				device_id, cmd->cmd_status);
+		}
+
+		mvumi_delete_internal_cmd(mhba, cmd);
+	}
+	return 0;
+}
+
+static unsigned char
+mvumi_calculate_checksum(struct mvumi_hs_header *p_header,
+							unsigned short len)
+{
+	unsigned char *ptr;
+	unsigned char ret = 0, i;
+
+	ptr = (unsigned char *) p_header->frame_content;
+	for (i = 0; i < len; i++) {
+		ret ^= *ptr;
+		ptr++;
+	}
+
+	return ret;
+}
+
+void mvumi_hs_build_page(struct mvumi_hba *mhba,
+				struct mvumi_hs_header *hs_header)
+{
+	struct mvumi_hs_page2 *hs_page2;
+	struct mvumi_hs_page4 *hs_page4;
+	struct mvumi_hs_page3 *hs_page3;
+	struct timeval time;
+	unsigned int local_time;
+
+	switch (hs_header->page_code) {
+	case HS_PAGE_HOST_INFO:
+		hs_page2 = (struct mvumi_hs_page2 *) hs_header;
+		hs_header->frame_length = sizeof(*hs_page2) - 4;
+		memset(hs_header->frame_content, 0, hs_header->frame_length);
+		hs_page2->host_type = 3; /* 3 mean linux*/
+		hs_page2->host_ver.ver_major = VER_MAJOR;
+		hs_page2->host_ver.ver_minor = VER_MINOR;
+		hs_page2->host_ver.ver_oem = VER_OEM;
+		hs_page2->host_ver.ver_build = VER_BUILD;
+		hs_page2->system_io_bus = 0;
+		hs_page2->slot_number = 0;
+		hs_page2->intr_level = 0;
+		hs_page2->intr_vector = 0;
+		do_gettimeofday(&time);
+		local_time = (unsigned int) (time.tv_sec -
+						(sys_tz.tz_minuteswest * 60));
+		hs_page2->seconds_since1970 = local_time;
+		hs_header->checksum = mvumi_calculate_checksum(hs_header,
+						hs_header->frame_length);
+		break;
+
+	case HS_PAGE_FIRM_CTL:
+		hs_page3 = (struct mvumi_hs_page3 *) hs_header;
+		hs_header->frame_length = sizeof(*hs_page3) - 4;
+		memset(hs_header->frame_content, 0, hs_header->frame_length);
+		hs_header->checksum = mvumi_calculate_checksum(hs_header,
+						hs_header->frame_length);
+		break;
+
+	case HS_PAGE_CL_INFO:
+		hs_page4 = (struct mvumi_hs_page4 *) hs_header;
+		hs_header->frame_length = sizeof(*hs_page4) - 4;
+		memset(hs_header->frame_content, 0, hs_header->frame_length);
+		hs_page4->ib_baseaddr_l = lower_32_bits(mhba->ib_list_phys);
+		hs_page4->ib_baseaddr_h = upper_32_bits(mhba->ib_list_phys);
+
+		hs_page4->ob_baseaddr_l = lower_32_bits(mhba->ob_list_phys);
+		hs_page4->ob_baseaddr_h = upper_32_bits(mhba->ob_list_phys);
+		hs_page4->ib_entry_size = mhba->ib_max_size_setting;
+		hs_page4->ob_entry_size = mhba->ob_max_size_setting;
+		hs_page4->ob_depth = mhba->list_num_io;
+		hs_page4->ib_depth = mhba->list_num_io;
+		hs_header->checksum = mvumi_calculate_checksum(hs_header,
+						hs_header->frame_length);
+		break;
+
+	default:
+		dev_err(&mhba->pdev->dev, "cannot build page, code[0x%x]\n",
+			hs_header->page_code);
+		break;
+	}
+}
+
+/**
+ * mvumi_init_data -	Initialize requested date for FW
+ * @mhba:			Adapter soft state
+ */
+static int mvumi_init_data(struct mvumi_hba *mhba)
+{
+	struct mvumi_ob_data *ob_pool;
+	struct mvumi_res *res_mgnt;
+	unsigned int tmp_size, offset, i;
+	void *virmem, *v;
+	dma_addr_t p;
+
+	if (mhba->fw_flag & MVUMI_FW_ALLOC)
+		return 0;
+
+	tmp_size = mhba->ib_max_size * mhba->max_io;
+	tmp_size += 128 + mhba->ob_max_size * mhba->max_io;
+	tmp_size += 8 + sizeof(u32) + 16;
+
+	res_mgnt = mvumi_alloc_mem_resource(mhba,
+					RESOURCE_UNCACHED_MEMORY, tmp_size);
+	if (!res_mgnt) {
+		dev_err(&mhba->pdev->dev,
+			"failed to allocate memory for inbound list\n");
+		goto fail_alloc_dma_buf;
+	}
+
+	p = res_mgnt->bus_addr;
+	v = res_mgnt->virt_addr;
+	/* ib_list */
+	offset = round_up(p, 128) - p;
+	p += offset;
+	v += offset;
+	mhba->ib_list = v;
+	mhba->ib_list_phys = p;
+	v += mhba->ib_max_size * mhba->max_io;
+	p += mhba->ib_max_size * mhba->max_io;
+	/* ib shadow */
+	offset = round_up(p, 8) - p;
+	p += offset;
+	v += offset;
+	mhba->ib_shadow = v;
+	mhba->ib_shadow_phys = p;
+	p += sizeof(u32);
+	v += sizeof(u32);
+	/* ob shadow */
+	offset = round_up(p, 8) - p;
+	p += offset;
+	v += offset;
+	mhba->ob_shadow = v;
+	mhba->ob_shadow_phys = p;
+	p += 8;
+	v += 8;
+
+	/* ob list */
+	offset = round_up(p, 128) - p;
+	p += offset;
+	v += offset;
+
+	mhba->ob_list = v;
+	mhba->ob_list_phys = p;
+
+	/* ob data pool */
+	tmp_size = mhba->max_io * (mhba->ob_max_size + sizeof(*ob_pool));
+	tmp_size = round_up(tmp_size, 8);
+
+	res_mgnt = mvumi_alloc_mem_resource(mhba,
+				RESOURCE_CACHED_MEMORY, tmp_size);
+	if (!res_mgnt) {
+		dev_err(&mhba->pdev->dev,
+			"failed to allocate memory for outbound data buffer\n");
+		goto fail_alloc_dma_buf;
+	}
+	virmem = res_mgnt->virt_addr;
+
+	for (i = mhba->max_io; i != 0; i--) {
+		ob_pool = (struct mvumi_ob_data *) virmem;
+		list_add_tail(&ob_pool->list, &mhba->ob_data_list);
+		virmem += mhba->ob_max_size + sizeof(*ob_pool);
+	}
+
+	tmp_size = sizeof(unsigned short) * mhba->max_io +
+				sizeof(struct mvumi_cmd *) * mhba->max_io;
+	tmp_size += round_up(mhba->max_target_id, sizeof(unsigned char) * 8) /
+						(sizeof(unsigned char) * 8);
+
+	res_mgnt = mvumi_alloc_mem_resource(mhba,
+				RESOURCE_CACHED_MEMORY, tmp_size);
+	if (!res_mgnt) {
+		dev_err(&mhba->pdev->dev,
+			"failed to allocate memory for tag and target map\n");
+		goto fail_alloc_dma_buf;
+	}
+
+	virmem = res_mgnt->virt_addr;
+	mhba->tag_pool.stack = virmem;
+	mhba->tag_pool.size = mhba->max_io;
+	tag_init(&mhba->tag_pool, mhba->max_io);
+	virmem += sizeof(unsigned short) * mhba->max_io;
+
+	mhba->tag_cmd = virmem;
+	virmem += sizeof(struct mvumi_cmd *) * mhba->max_io;
+
+	mhba->target_map = virmem;
+
+	mhba->fw_flag |= MVUMI_FW_ALLOC;
+	return 0;
+
+fail_alloc_dma_buf:
+	mvumi_release_mem_resource(mhba);
+	return -1;
+}
+
+static int mvumi_hs_process_page(struct mvumi_hba *mhba,
+				struct mvumi_hs_header *hs_header)
+{
+	struct mvumi_hs_page1 *hs_page1;
+	unsigned char page_checksum;
+
+	page_checksum = mvumi_calculate_checksum(hs_header,
+						hs_header->frame_length);
+	if (page_checksum != hs_header->checksum) {
+		dev_err(&mhba->pdev->dev, "checksum error\n");
+		return -1;
+	}
+
+	switch (hs_header->page_code) {
+	case HS_PAGE_FIRM_CAP:
+		hs_page1 = (struct mvumi_hs_page1 *) hs_header;
+
+		mhba->max_io = hs_page1->max_io_support;
+		mhba->list_num_io = hs_page1->cl_inout_list_depth;
+		mhba->max_transfer_size = hs_page1->max_transfer_size;
+		mhba->max_target_id = hs_page1->max_devices_support;
+		mhba->hba_capability = hs_page1->capability;
+		mhba->ib_max_size_setting = hs_page1->cl_in_max_entry_size;
+		mhba->ib_max_size = (1 << hs_page1->cl_in_max_entry_size) << 2;
+
+		mhba->ob_max_size_setting = hs_page1->cl_out_max_entry_size;
+		mhba->ob_max_size = (1 << hs_page1->cl_out_max_entry_size) << 2;
+
+		dev_dbg(&mhba->pdev->dev, "FW version:%d\n",
+						hs_page1->fw_ver.ver_build);
+
+		break;
+	default:
+		dev_err(&mhba->pdev->dev, "handshake: page code error\n");
+		return -1;
+	}
+	return 0;
+}
+
+/**
+ * mvumi_handshake -	Move the FW to READY state
+ * @mhba:				Adapter soft state
+ *
+ * During the initialization, FW passes can potentially be in any one of
+ * several possible states. If the FW in operational, waiting-for-handshake
+ * states, driver must take steps to bring it to ready state. Otherwise, it
+ * has to wait for the ready state.
+ */
+static int mvumi_handshake(struct mvumi_hba *mhba)
+{
+	unsigned int hs_state, tmp, hs_fun;
+	struct mvumi_hs_header *hs_header;
+	void *regs = mhba->mmio;
+
+	if (mhba->fw_state == FW_STATE_STARTING)
+		hs_state = HS_S_START;
+	else {
+		tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG0);
+		hs_state = HS_GET_STATE(tmp);
+		dev_dbg(&mhba->pdev->dev, "handshake state[0x%x].\n", hs_state);
+		if (HS_GET_STATUS(tmp) != HS_STATUS_OK) {
+			mhba->fw_state = FW_STATE_STARTING;
+			return -1;
+		}
+	}
+
+	hs_fun = 0;
+	switch (hs_state) {
+	case HS_S_START:
+		mhba->fw_state = FW_STATE_HANDSHAKING;
+		HS_SET_STATUS(hs_fun, HS_STATUS_OK);
+		HS_SET_STATE(hs_fun, HS_S_RESET);
+		iowrite32(HANDSHAKE_SIGNATURE, regs + CPU_PCIEA_TO_ARM_MSG1);
+		iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0);
+		iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+		break;
+
+	case HS_S_RESET:
+		iowrite32(lower_32_bits(mhba->handshake_page_phys),
+					regs + CPU_PCIEA_TO_ARM_MSG1);
+		iowrite32(upper_32_bits(mhba->handshake_page_phys),
+					regs + CPU_ARM_TO_PCIEA_MSG1);
+		HS_SET_STATUS(hs_fun, HS_STATUS_OK);
+		HS_SET_STATE(hs_fun, HS_S_PAGE_ADDR);
+		iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0);
+		iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+
+		break;
+
+	case HS_S_PAGE_ADDR:
+	case HS_S_QUERY_PAGE:
+	case HS_S_SEND_PAGE:
+		hs_header = (struct mvumi_hs_header *) mhba->handshake_page;
+		if (hs_header->page_code == HS_PAGE_FIRM_CAP) {
+			mhba->hba_total_pages =
+			((struct mvumi_hs_page1 *) hs_header)->total_pages;
+
+			if (mhba->hba_total_pages == 0)
+				mhba->hba_total_pages = HS_PAGE_TOTAL-1;
+		}
+
+		if (hs_state == HS_S_QUERY_PAGE) {
+			if (mvumi_hs_process_page(mhba, hs_header)) {
+				HS_SET_STATE(hs_fun, HS_S_ABORT);
+				return -1;
+			}
+			if (mvumi_init_data(mhba)) {
+				HS_SET_STATE(hs_fun, HS_S_ABORT);
+				return -1;
+			}
+		} else if (hs_state == HS_S_PAGE_ADDR) {
+			hs_header->page_code = 0;
+			mhba->hba_total_pages = HS_PAGE_TOTAL-1;
+		}
+
+		if ((hs_header->page_code + 1) <= mhba->hba_total_pages) {
+			hs_header->page_code++;
+			if (hs_header->page_code != HS_PAGE_FIRM_CAP) {
+				mvumi_hs_build_page(mhba, hs_header);
+				HS_SET_STATE(hs_fun, HS_S_SEND_PAGE);
+			} else
+				HS_SET_STATE(hs_fun, HS_S_QUERY_PAGE);
+		} else
+			HS_SET_STATE(hs_fun, HS_S_END);
+
+		HS_SET_STATUS(hs_fun, HS_STATUS_OK);
+		iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0);
+		iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+		break;
+
+	case HS_S_END:
+		/* Set communication list ISR */
+		tmp = ioread32(regs + CPU_ENPOINTA_MASK_REG);
+		tmp |= INT_MAP_COMAOUT | INT_MAP_COMAERR;
+		iowrite32(tmp, regs + CPU_ENPOINTA_MASK_REG);
+		iowrite32(mhba->list_num_io, mhba->ib_shadow);
+		/* Set InBound List Avaliable count shadow */
+		iowrite32(lower_32_bits(mhba->ib_shadow_phys),
+					regs + CLA_INB_AVAL_COUNT_BASEL);
+		iowrite32(upper_32_bits(mhba->ib_shadow_phys),
+					regs + CLA_INB_AVAL_COUNT_BASEH);
+
+		/* Set OutBound List Avaliable count shadow */
+		iowrite32((mhba->list_num_io-1) | CL_POINTER_TOGGLE,
+						mhba->ob_shadow);
+		iowrite32(lower_32_bits(mhba->ob_shadow_phys), regs + 0x5B0);
+		iowrite32(upper_32_bits(mhba->ob_shadow_phys), regs + 0x5B4);
+
+		mhba->ib_cur_slot = (mhba->list_num_io - 1) | CL_POINTER_TOGGLE;
+		mhba->ob_cur_slot = (mhba->list_num_io - 1) | CL_POINTER_TOGGLE;
+		mhba->fw_state = FW_STATE_STARTED;
+
+		break;
+	default:
+		dev_err(&mhba->pdev->dev, "unknown handshake state [0x%x].\n",
+								hs_state);
+		return -1;
+	}
+	return 0;
+}
+
+static unsigned char mvumi_handshake_event(struct mvumi_hba *mhba)
+{
+	unsigned int isr_status;
+	unsigned long before;
+
+	before = jiffies;
+	mvumi_handshake(mhba);
+	do {
+		isr_status = mhba->instancet->read_fw_status_reg(mhba->mmio);
+
+		if (mhba->fw_state == FW_STATE_STARTED)
+			return 0;
+		if (time_after(jiffies, before + FW_MAX_DELAY * HZ)) {
+			dev_err(&mhba->pdev->dev,
+				"no handshake response at state 0x%x.\n",
+				  mhba->fw_state);
+			dev_err(&mhba->pdev->dev,
+				"isr : global=0x%x,status=0x%x.\n",
+					mhba->global_isr, isr_status);
+			return -1;
+		}
+		rmb();
+		usleep_range(1000, 2000);
+	} while (!(isr_status & DRBL_HANDSHAKE_ISR));
+
+	return 0;
+}
+
+static unsigned char mvumi_check_handshake(struct mvumi_hba *mhba)
+{
+	void *regs = mhba->mmio;
+	unsigned int tmp;
+	unsigned long before;
+
+	before = jiffies;
+	tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG1);
+	while ((tmp != HANDSHAKE_READYSTATE) && (tmp != HANDSHAKE_DONESTATE)) {
+		if (tmp != HANDSHAKE_READYSTATE)
+			iowrite32(DRBL_MU_RESET,
+					regs + CPU_PCIEA_TO_ARM_DRBL_REG);
+		if (time_after(jiffies, before + FW_MAX_DELAY * HZ)) {
+			dev_err(&mhba->pdev->dev,
+				"invalid signature [0x%x].\n", tmp);
+			return -1;
+		}
+		usleep_range(1000, 2000);
+		rmb();
+		tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG1);
+	}
+
+	mhba->fw_state = FW_STATE_STARTING;
+	dev_dbg(&mhba->pdev->dev, "start firmware handshake...\n");
+	do {
+		if (mvumi_handshake_event(mhba)) {
+			dev_err(&mhba->pdev->dev,
+					"handshake failed at state 0x%x.\n",
+						mhba->fw_state);
+			return -1;
+		}
+	} while (mhba->fw_state != FW_STATE_STARTED);
+
+	dev_dbg(&mhba->pdev->dev, "firmware handshake done\n");
+
+	return 0;
+}
+
+static unsigned char mvumi_start(struct mvumi_hba *mhba)
+{
+	void *regs = mhba->mmio;
+	unsigned int tmp;
+	/* clear Door bell */
+	tmp = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	iowrite32(tmp, regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+
+	iowrite32(0x3FFFFFFF, regs + CPU_ARM_TO_PCIEA_MASK_REG);
+	tmp = ioread32(regs + CPU_ENPOINTA_MASK_REG) | INT_MAP_DL_CPU2PCIEA;
+	iowrite32(tmp, regs + CPU_ENPOINTA_MASK_REG);
+	if (mvumi_check_handshake(mhba))
+		return -1;
+
+	return 0;
+}
+
+/**
+ * mvumi_complete_cmd -	Completes a command
+ * @mhba:			Adapter soft state
+ * @cmd:			Command to be completed
+ */
+static void mvumi_complete_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd,
+					struct mvumi_rsp_frame *ob_frame)
+{
+	struct scsi_cmnd *scmd = cmd->scmd;
+
+	cmd->scmd->SCp.ptr = NULL;
+	scmd->result = ob_frame->req_status;
+
+	switch (ob_frame->req_status) {
+	case SAM_STAT_GOOD:
+		scmd->result |= DID_OK << 16;
+		break;
+	case SAM_STAT_BUSY:
+		scmd->result |= DID_BUS_BUSY << 16;
+		break;
+	case SAM_STAT_CHECK_CONDITION:
+		scmd->result |= (DID_OK << 16);
+		if (ob_frame->rsp_flag & CL_RSP_FLAG_SENSEDATA) {
+			memcpy(cmd->scmd->sense_buffer, ob_frame->payload,
+				sizeof(struct mvumi_sense_data));
+			scmd->result |=  (DRIVER_SENSE << 24);
+		}
+		break;
+	default:
+		scmd->result |= (DRIVER_INVALID << 24) | (DID_ABORT << 16);
+		break;
+	}
+
+	if (scsi_bufflen(scmd)) {
+		if (scsi_sg_count(scmd)) {
+			pci_unmap_sg(mhba->pdev,
+				scsi_sglist(scmd),
+				scsi_sg_count(scmd),
+				(int) scmd->sc_data_direction);
+		} else {
+			pci_unmap_single(mhba->pdev,
+				scmd->SCp.dma_handle,
+				scsi_bufflen(scmd),
+				(int) scmd->sc_data_direction);
+
+			scmd->SCp.dma_handle = 0;
+		}
+	}
+	cmd->scmd->scsi_done(scmd);
+	mvumi_return_cmd(mhba, cmd);
+}
+static void mvumi_complete_internal_cmd(struct mvumi_hba *mhba,
+						struct mvumi_cmd *cmd,
+					struct mvumi_rsp_frame *ob_frame)
+{
+	if (atomic_read(&cmd->sync_cmd)) {
+		cmd->cmd_status = ob_frame->req_status;
+
+		if ((ob_frame->req_status == SAM_STAT_CHECK_CONDITION) &&
+				(ob_frame->rsp_flag & CL_RSP_FLAG_SENSEDATA) &&
+				cmd->data_buf) {
+			memcpy(cmd->data_buf, ob_frame->payload,
+					sizeof(struct mvumi_sense_data));
+		}
+		atomic_dec(&cmd->sync_cmd);
+		wake_up(&mhba->int_cmd_wait_q);
+	}
+}
+
+static void mvumi_show_event(struct mvumi_hba *mhba,
+			struct mvumi_driver_event *ptr)
+{
+	unsigned int i;
+
+	dev_warn(&mhba->pdev->dev,
+		"Event[0x%x] id[0x%x] severity[0x%x] device id[0x%x]\n",
+		ptr->sequence_no, ptr->event_id, ptr->severity, ptr->device_id);
+	if (ptr->param_count) {
+		printk(KERN_WARNING "Event param(len 0x%x): ",
+						ptr->param_count);
+		for (i = 0; i < ptr->param_count; i++)
+			printk(KERN_WARNING "0x%x ", ptr->params[i]);
+
+		printk(KERN_WARNING "\n");
+	}
+
+	if (ptr->sense_data_length) {
+		printk(KERN_WARNING "Event sense data(len 0x%x): ",
+						ptr->sense_data_length);
+		for (i = 0; i < ptr->sense_data_length; i++)
+			printk(KERN_WARNING "0x%x ", ptr->sense_data[i]);
+		printk(KERN_WARNING "\n");
+	}
+}
+
+static void mvumi_notification(struct mvumi_hba *mhba, u8 msg, void *buffer)
+{
+	if (msg == APICDB1_EVENT_GETEVENT) {
+		int i, count;
+		struct mvumi_driver_event *param = NULL;
+		struct mvumi_event_req *er = buffer;
+		count = er->count;
+		if (count > MAX_EVENTS_RETURNED) {
+			dev_err(&mhba->pdev->dev, "event count[0x%x] is bigger"
+					" than max event count[0x%x].\n",
+					count, MAX_EVENTS_RETURNED);
+			return;
+		}
+		for (i = 0; i < count; i++) {
+			param = &er->events[i];
+			mvumi_show_event(mhba, param);
+		}
+	}
+}
+
+static int mvumi_get_event(struct mvumi_hba *mhba, unsigned char msg)
+{
+	struct mvumi_cmd *cmd;
+	struct mvumi_msg_frame *frame;
+
+	cmd = mvumi_create_internal_cmd(mhba, 512);
+	if (!cmd)
+		return -1;
+	cmd->scmd = NULL;
+	cmd->cmd_status = REQ_STATUS_PENDING;
+	atomic_set(&cmd->sync_cmd, 0);
+	frame = cmd->frame;
+	frame->device_id = 0;
+	frame->cmd_flag = CMD_FLAG_DATA_IN;
+	frame->req_function = CL_FUN_SCSI_CMD;
+	frame->cdb_length = MAX_COMMAND_SIZE;
+	frame->data_transfer_length = sizeof(struct mvumi_event_req);
+	memset(frame->cdb, 0, MAX_COMMAND_SIZE);
+	frame->cdb[0] = APICDB0_EVENT;
+	frame->cdb[1] = msg;
+	mvumi_issue_blocked_cmd(mhba, cmd);
+
+	if (cmd->cmd_status != SAM_STAT_GOOD)
+		dev_err(&mhba->pdev->dev, "get event failed, status=0x%x.\n",
+							cmd->cmd_status);
+	else
+		mvumi_notification(mhba, cmd->frame->cdb[1], cmd->data_buf);
+
+	mvumi_delete_internal_cmd(mhba, cmd);
+	return 0;
+}
+
+static void mvumi_scan_events(struct work_struct *work)
+{
+	struct mvumi_events_wq *mu_ev =
+		container_of(work, struct mvumi_events_wq, work_q);
+
+	mvumi_get_event(mu_ev->mhba, mu_ev->event);
+	kfree(mu_ev);
+}
+
+static void mvumi_launch_events(struct mvumi_hba *mhba, u8 msg)
+{
+	struct mvumi_events_wq *mu_ev;
+
+	mu_ev = kzalloc(sizeof(*mu_ev), GFP_ATOMIC);
+	if (mu_ev) {
+		INIT_WORK(&mu_ev->work_q, mvumi_scan_events);
+		mu_ev->mhba = mhba;
+		mu_ev->event = msg;
+		mu_ev->param = NULL;
+		schedule_work(&mu_ev->work_q);
+	}
+}
+
+static void mvumi_handle_clob(struct mvumi_hba *mhba)
+{
+	struct mvumi_rsp_frame *ob_frame;
+	struct mvumi_cmd *cmd;
+	struct mvumi_ob_data *pool;
+
+	while (!list_empty(&mhba->free_ob_list)) {
+		pool = list_first_entry(&mhba->free_ob_list,
+						struct mvumi_ob_data, list);
+		list_del_init(&pool->list);
+		list_add_tail(&pool->list, &mhba->ob_data_list);
+
+		ob_frame = (struct mvumi_rsp_frame *) &pool->data[0];
+		cmd = mhba->tag_cmd[ob_frame->tag];
+
+		atomic_dec(&mhba->fw_outstanding);
+		mhba->tag_cmd[ob_frame->tag] = 0;
+		tag_release_one(mhba, &mhba->tag_pool, ob_frame->tag);
+		if (cmd->scmd)
+			mvumi_complete_cmd(mhba, cmd, ob_frame);
+		else
+			mvumi_complete_internal_cmd(mhba, cmd, ob_frame);
+	}
+	mhba->instancet->fire_cmd(mhba, NULL);
+}
+
+static irqreturn_t mvumi_isr_handler(int irq, void *devp)
+{
+	struct mvumi_hba *mhba = (struct mvumi_hba *) devp;
+	unsigned long flags;
+
+	spin_lock_irqsave(mhba->shost->host_lock, flags);
+	if (unlikely(mhba->instancet->clear_intr(mhba) || !mhba->global_isr)) {
+		spin_unlock_irqrestore(mhba->shost->host_lock, flags);
+		return IRQ_NONE;
+	}
+
+	if (mhba->global_isr & INT_MAP_DL_CPU2PCIEA) {
+		if (mhba->isr_status & DRBL_HANDSHAKE_ISR) {
+			dev_warn(&mhba->pdev->dev, "enter handshake again!\n");
+			mvumi_handshake(mhba);
+		}
+		if (mhba->isr_status & DRBL_EVENT_NOTIFY)
+			mvumi_launch_events(mhba, APICDB1_EVENT_GETEVENT);
+	}
+
+	if (mhba->global_isr & INT_MAP_COMAOUT)
+		mvumi_receive_ob_list_entry(mhba);
+
+	mhba->global_isr = 0;
+	mhba->isr_status = 0;
+	if (mhba->fw_state == FW_STATE_STARTED)
+		mvumi_handle_clob(mhba);
+	spin_unlock_irqrestore(mhba->shost->host_lock, flags);
+	return IRQ_HANDLED;
+}
+
+static enum mvumi_qc_result mvumi_send_command(struct mvumi_hba *mhba,
+						struct mvumi_cmd *cmd)
+{
+	void *ib_entry;
+	struct mvumi_msg_frame *ib_frame;
+	unsigned int frame_len;
+
+	ib_frame = cmd->frame;
+	if (unlikely(mhba->fw_state != FW_STATE_STARTED)) {
+		dev_dbg(&mhba->pdev->dev, "firmware not ready.\n");
+		return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE;
+	}
+	if (tag_is_empty(&mhba->tag_pool)) {
+		dev_dbg(&mhba->pdev->dev, "no free tag.\n");
+		return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE;
+	}
+	if (mvumi_get_ib_list_entry(mhba, &ib_entry))
+		return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE;
+
+	cmd->frame->tag = tag_get_one(mhba, &mhba->tag_pool);
+	cmd->frame->request_id = mhba->io_seq++;
+	cmd->request_id = cmd->frame->request_id;
+	mhba->tag_cmd[cmd->frame->tag] = cmd;
+	frame_len = sizeof(*ib_frame) - 4 +
+				ib_frame->sg_counts * sizeof(struct mvumi_sgl);
+	memcpy(ib_entry, ib_frame, frame_len);
+	return MV_QUEUE_COMMAND_RESULT_SENT;
+}
+
+static void mvumi_fire_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd)
+{
+	unsigned short num_of_cl_sent = 0;
+	enum mvumi_qc_result result;
+
+	if (cmd)
+		list_add_tail(&cmd->queue_pointer, &mhba->waiting_req_list);
+
+	while (!list_empty(&mhba->waiting_req_list)) {
+		cmd = list_first_entry(&mhba->waiting_req_list,
+					 struct mvumi_cmd, queue_pointer);
+		list_del_init(&cmd->queue_pointer);
+		result = mvumi_send_command(mhba, cmd);
+		switch (result) {
+		case MV_QUEUE_COMMAND_RESULT_SENT:
+			num_of_cl_sent++;
+			break;
+		case MV_QUEUE_COMMAND_RESULT_NO_RESOURCE:
+			list_add(&cmd->queue_pointer, &mhba->waiting_req_list);
+			if (num_of_cl_sent > 0)
+				mvumi_send_ib_list_entry(mhba);
+
+			return;
+		}
+	}
+	if (num_of_cl_sent > 0)
+		mvumi_send_ib_list_entry(mhba);
+}
+
+/**
+ * mvumi_enable_intr -	Enables interrupts
+ * @regs:			FW register set
+ */
+static void mvumi_enable_intr(void *regs)
+{
+	unsigned int mask;
+
+	iowrite32(0x3FFFFFFF, regs + CPU_ARM_TO_PCIEA_MASK_REG);
+	mask = ioread32(regs + CPU_ENPOINTA_MASK_REG);
+	mask |= INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAOUT | INT_MAP_COMAERR;
+	iowrite32(mask, regs + CPU_ENPOINTA_MASK_REG);
+}
+
+/**
+ * mvumi_disable_intr -Disables interrupt
+ * @regs:			FW register set
+ */
+static void mvumi_disable_intr(void *regs)
+{
+	unsigned int mask;
+
+	iowrite32(0, regs + CPU_ARM_TO_PCIEA_MASK_REG);
+	mask = ioread32(regs + CPU_ENPOINTA_MASK_REG);
+	mask &= ~(INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAOUT | INT_MAP_COMAERR);
+	iowrite32(mask, regs + CPU_ENPOINTA_MASK_REG);
+}
+
+static int mvumi_clear_intr(void *extend)
+{
+	struct mvumi_hba *mhba = (struct mvumi_hba *) extend;
+	unsigned int status, isr_status = 0, tmp = 0;
+	void *regs = mhba->mmio;
+
+	status = ioread32(regs + CPU_MAIN_INT_CAUSE_REG);
+	if (!(status & INT_MAP_MU) || status == 0xFFFFFFFF)
+		return 1;
+	if (unlikely(status & INT_MAP_COMAERR)) {
+		tmp = ioread32(regs + CLA_ISR_CAUSE);
+		if (tmp & (CLIC_IN_ERR_IRQ | CLIC_OUT_ERR_IRQ))
+			iowrite32(tmp & (CLIC_IN_ERR_IRQ | CLIC_OUT_ERR_IRQ),
+					regs + CLA_ISR_CAUSE);
+		status ^= INT_MAP_COMAERR;
+		/* inbound or outbound parity error, command will timeout */
+	}
+	if (status & INT_MAP_COMAOUT) {
+		tmp = ioread32(regs + CLA_ISR_CAUSE);
+		if (tmp & CLIC_OUT_IRQ)
+			iowrite32(tmp & CLIC_OUT_IRQ, regs + CLA_ISR_CAUSE);
+	}
+	if (status & INT_MAP_DL_CPU2PCIEA) {
+		isr_status = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+		if (isr_status)
+			iowrite32(isr_status, regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	}
+
+	mhba->global_isr = status;
+	mhba->isr_status = isr_status;
+
+	return 0;
+}
+
+/**
+ * mvumi_read_fw_status_reg - returns the current FW status value
+ * @regs:			FW register set
+ */
+static unsigned int mvumi_read_fw_status_reg(void *regs)
+{
+	unsigned int status;
+
+	status = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	if (status)
+		iowrite32(status, regs + CPU_ARM_TO_PCIEA_DRBL_REG);
+	return status;
+}
+
+static struct mvumi_instance_template mvumi_instance_template = {
+	.fire_cmd = mvumi_fire_cmd,
+	.enable_intr = mvumi_enable_intr,
+	.disable_intr = mvumi_disable_intr,
+	.clear_intr = mvumi_clear_intr,
+	.read_fw_status_reg = mvumi_read_fw_status_reg,
+};
+
+static int mvumi_slave_configure(struct scsi_device *sdev)
+{
+	struct mvumi_hba *mhba;
+	unsigned char bitcount = sizeof(unsigned char) * 8;
+
+	mhba = (struct mvumi_hba *) sdev->host->hostdata;
+	if (sdev->id >= mhba->max_target_id)
+		return -EINVAL;
+
+	mhba->target_map[sdev->id / bitcount] |= (1 << (sdev->id % bitcount));
+	return 0;
+}
+
+/**
+ * mvumi_build_frame -	Prepares a direct cdb (DCDB) command
+ * @mhba:		Adapter soft state
+ * @scmd:		SCSI command
+ * @cmd:		Command to be prepared in
+ *
+ * This function prepares CDB commands. These are typcially pass-through
+ * commands to the devices.
+ */
+static unsigned char mvumi_build_frame(struct mvumi_hba *mhba,
+				struct scsi_cmnd *scmd, struct mvumi_cmd *cmd)
+{
+	struct mvumi_msg_frame *pframe;
+
+	cmd->scmd = scmd;
+	cmd->cmd_status = REQ_STATUS_PENDING;
+	pframe = cmd->frame;
+	pframe->device_id = ((unsigned short) scmd->device->id) |
+				(((unsigned short) scmd->device->lun) << 8);
+	pframe->cmd_flag = 0;
+
+	switch (scmd->sc_data_direction) {
+	case DMA_NONE:
+		pframe->cmd_flag |= CMD_FLAG_NON_DATA;
+		break;
+	case DMA_FROM_DEVICE:
+		pframe->cmd_flag |= CMD_FLAG_DATA_IN;
+		break;
+	case DMA_TO_DEVICE:
+		pframe->cmd_flag |= CMD_FLAG_DATA_OUT;
+		break;
+	case DMA_BIDIRECTIONAL:
+	default:
+		dev_warn(&mhba->pdev->dev, "unexpected data direction[%d] "
+			"cmd[0x%x]\n", scmd->sc_data_direction, scmd->cmnd[0]);
+		goto error;
+	}
+
+	pframe->cdb_length = scmd->cmd_len;
+	memcpy(pframe->cdb, scmd->cmnd, pframe->cdb_length);
+	pframe->req_function = CL_FUN_SCSI_CMD;
+	if (scsi_bufflen(scmd)) {
+		if (mvumi_make_sgl(mhba, scmd, &pframe->payload[0],
+			&pframe->sg_counts))
+			goto error;
+
+		pframe->data_transfer_length = scsi_bufflen(scmd);
+	} else {
+		pframe->sg_counts = 0;
+		pframe->data_transfer_length = 0;
+	}
+	return 0;
+
+error:
+	scmd->result = (DID_OK << 16) | (DRIVER_SENSE << 24) |
+		SAM_STAT_CHECK_CONDITION;
+	scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x24,
+									0);
+	return -1;
+}
+
+/**
+ * mvumi_queue_command -	Queue entry point
+ * @scmd:			SCSI command to be queued
+ * @done:			Callback entry point
+ */
+static int mvumi_queue_command(struct Scsi_Host *shost,
+					struct scsi_cmnd *scmd)
+{
+	struct mvumi_cmd *cmd;
+	struct mvumi_hba *mhba;
+	unsigned long irq_flags;
+
+	spin_lock_irqsave(shost->host_lock, irq_flags);
+	scsi_cmd_get_serial(shost, scmd);
+
+	mhba = (struct mvumi_hba *) shost->hostdata;
+	scmd->result = 0;
+	cmd = mvumi_get_cmd(mhba);
+	if (unlikely(!cmd)) {
+		spin_unlock_irqrestore(shost->host_lock, irq_flags);
+		return SCSI_MLQUEUE_HOST_BUSY;
+	}
+
+	if (unlikely(mvumi_build_frame(mhba, scmd, cmd)))
+		goto out_return_cmd;
+
+	cmd->scmd = scmd;
+	scmd->SCp.ptr = (char *) cmd;
+	mhba->instancet->fire_cmd(mhba, cmd);
+	spin_unlock_irqrestore(shost->host_lock, irq_flags);
+	return 0;
+
+out_return_cmd:
+	mvumi_return_cmd(mhba, cmd);
+	scmd->scsi_done(scmd);
+	spin_unlock_irqrestore(shost->host_lock, irq_flags);
+	return 0;
+}
+
+static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd)
+{
+	struct mvumi_cmd *cmd = (struct mvumi_cmd *) scmd->SCp.ptr;
+	struct Scsi_Host *host = scmd->device->host;
+	struct mvumi_hba *mhba = shost_priv(host);
+	unsigned long flags;
+
+	spin_lock_irqsave(mhba->shost->host_lock, flags);
+
+	if (mhba->tag_cmd[cmd->frame->tag]) {
+		mhba->tag_cmd[cmd->frame->tag] = 0;
+		tag_release_one(mhba, &mhba->tag_pool, cmd->frame->tag);
+	}
+	if (!list_empty(&cmd->queue_pointer))
+		list_del_init(&cmd->queue_pointer);
+	else
+		atomic_dec(&mhba->fw_outstanding);
+
+	scmd->result = (DRIVER_INVALID << 24) | (DID_ABORT << 16);
+	scmd->SCp.ptr = NULL;
+	if (scsi_bufflen(scmd)) {
+		if (scsi_sg_count(scmd)) {
+			pci_unmap_sg(mhba->pdev,
+				scsi_sglist(scmd),
+				scsi_sg_count(scmd),
+				(int)scmd->sc_data_direction);
+		} else {
+			pci_unmap_single(mhba->pdev,
+				scmd->SCp.dma_handle,
+				scsi_bufflen(scmd),
+				(int)scmd->sc_data_direction);
+
+			scmd->SCp.dma_handle = 0;
+		}
+	}
+	mvumi_return_cmd(mhba, cmd);
+	spin_unlock_irqrestore(mhba->shost->host_lock, flags);
+
+	return BLK_EH_NOT_HANDLED;
+}
+
+static int
+mvumi_bios_param(struct scsi_device *sdev, struct block_device *bdev,
+			sector_t capacity, int geom[])
+{
+	int heads, sectors;
+	sector_t cylinders;
+	unsigned long tmp;
+
+	heads = 64;
+	sectors = 32;
+	tmp = heads * sectors;
+	cylinders = capacity;
+	sector_div(cylinders, tmp);
+
+	if (capacity >= 0x200000) {
+		heads = 255;
+		sectors = 63;
+		tmp = heads * sectors;
+		cylinders = capacity;
+		sector_div(cylinders, tmp);
+	}
+	geom[0] = heads;
+	geom[1] = sectors;
+	geom[2] = cylinders;
+
+	return 0;
+}
+
+static struct scsi_host_template mvumi_template = {
+
+	.module = THIS_MODULE,
+	.name = "Marvell Storage Controller",
+	.slave_configure = mvumi_slave_configure,
+	.queuecommand = mvumi_queue_command,
+	.eh_host_reset_handler = mvumi_host_reset,
+	.bios_param = mvumi_bios_param,
+	.this_id = -1,
+};
+
+static struct scsi_transport_template mvumi_transport_template = {
+	.eh_timed_out = mvumi_timed_out,
+};
+
+/**
+ * mvumi_init_fw -	Initializes the FW
+ * @mhba:		Adapter soft state
+ *
+ * This is the main function for initializing firmware.
+ */
+static int mvumi_init_fw(struct mvumi_hba *mhba)
+{
+	int ret = 0;
+
+	if (pci_request_regions(mhba->pdev, MV_DRIVER_NAME)) {
+		dev_err(&mhba->pdev->dev, "IO memory region busy!\n");
+		return -EBUSY;
+	}
+	ret = mvumi_map_pci_addr(mhba->pdev, mhba->base_addr);
+	if (ret)
+		goto fail_ioremap;
+
+	mhba->mmio = mhba->base_addr[0];
+
+	switch (mhba->pdev->device) {
+	case PCI_DEVICE_ID_MARVELL_MV9143:
+		mhba->instancet = &mvumi_instance_template;
+		mhba->io_seq = 0;
+		mhba->max_sge = MVUMI_MAX_SG_ENTRY;
+		mhba->request_id_enabled = 1;
+		break;
+	default:
+		dev_err(&mhba->pdev->dev, "device 0x%x not supported!\n",
+							mhba->pdev->device);
+		mhba->instancet = NULL;
+		ret = -EINVAL;
+		goto fail_alloc_mem;
+	}
+	dev_dbg(&mhba->pdev->dev, "device id : %04X is found.\n",
+							mhba->pdev->device);
+
+	mhba->handshake_page = kzalloc(HSP_MAX_SIZE, GFP_KERNEL);
+	if (!mhba->handshake_page) {
+		dev_err(&mhba->pdev->dev,
+			"failed to allocate memory for handshake\n");
+		ret = -ENOMEM;
+		goto fail_alloc_mem;
+	}
+	mhba->handshake_page_phys = virt_to_phys(mhba->handshake_page);
+
+	if (mvumi_start(mhba)) {
+		ret = -EINVAL;
+		goto fail_ready_state;
+	}
+	ret = mvumi_alloc_cmds(mhba);
+	if (ret)
+		goto fail_ready_state;
+
+	return 0;
+
+fail_ready_state:
+	mvumi_release_mem_resource(mhba);
+	kfree(mhba->handshake_page);
+fail_alloc_mem:
+	mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr);
+fail_ioremap:
+	pci_release_regions(mhba->pdev);
+
+	return ret;
+}
+
+/**
+ * mvumi_io_attach -	Attaches this driver to SCSI mid-layer
+ * @mhba:		Adapter soft state
+ */
+static int mvumi_io_attach(struct mvumi_hba *mhba)
+{
+	struct Scsi_Host *host = mhba->shost;
+	int ret;
+	unsigned int max_sg = (mhba->ib_max_size + 4 -
+		sizeof(struct mvumi_msg_frame)) / sizeof(struct mvumi_sgl);
+
+	host->irq = mhba->pdev->irq;
+	host->unique_id = mhba->unique_id;
+	host->can_queue = (mhba->max_io - 1) ? (mhba->max_io - 1) : 1;
+	host->sg_tablesize = mhba->max_sge > max_sg ? max_sg : mhba->max_sge;
+	host->max_sectors = mhba->max_transfer_size / 512;
+	host->cmd_per_lun =  (mhba->max_io - 1) ? (mhba->max_io - 1) : 1;
+	host->max_id = mhba->max_target_id;
+	host->max_cmd_len = MAX_COMMAND_SIZE;
+	host->transportt = &mvumi_transport_template;
+
+	ret = scsi_add_host(host, &mhba->pdev->dev);
+	if (ret) {
+		dev_err(&mhba->pdev->dev, "scsi_add_host failed\n");
+		return ret;
+	}
+	mhba->fw_flag |= MVUMI_FW_ATTACH;
+	scsi_scan_host(host);
+
+	return 0;
+}
+
+/**
+ * mvumi_probe_one -	PCI hotplug entry point
+ * @pdev:		PCI device structure
+ * @id:			PCI ids of supported hotplugged adapter
+ */
+static int __devinit mvumi_probe_one(struct pci_dev *pdev,
+					const struct pci_device_id *id)
+{
+	struct Scsi_Host *host;
+	struct mvumi_hba *mhba;
+	int ret;
+
+	dev_dbg(&pdev->dev, " %#4.04x:%#4.04x:%#4.04x:%#4.04x: ",
+			pdev->vendor, pdev->device, pdev->subsystem_vendor,
+			pdev->subsystem_device);
+
+	ret = pci_enable_device(pdev);
+	if (ret)
+		return ret;
+
+	pci_set_master(pdev);
+
+	if (IS_DMA64) {
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+		if (ret) {
+			ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+			if (ret)
+				goto fail_set_dma_mask;
+		}
+	} else {
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (ret)
+			goto fail_set_dma_mask;
+	}
+
+	host = scsi_host_alloc(&mvumi_template, sizeof(*mhba));
+	if (!host) {
+		dev_err(&pdev->dev, "scsi_host_alloc failed\n");
+		ret = -ENOMEM;
+		goto fail_alloc_instance;
+	}
+	mhba = shost_priv(host);
+
+	INIT_LIST_HEAD(&mhba->cmd_pool);
+	INIT_LIST_HEAD(&mhba->ob_data_list);
+	INIT_LIST_HEAD(&mhba->free_ob_list);
+	INIT_LIST_HEAD(&mhba->res_list);
+	INIT_LIST_HEAD(&mhba->waiting_req_list);
+	atomic_set(&mhba->fw_outstanding, 0);
+	init_waitqueue_head(&mhba->int_cmd_wait_q);
+
+	mhba->pdev = pdev;
+	mhba->shost = host;
+	mhba->unique_id = pdev->bus->number << 8 | pdev->devfn;
+
+	ret = mvumi_init_fw(mhba);
+	if (ret)
+		goto fail_init_fw;
+
+	ret = request_irq(mhba->pdev->irq, mvumi_isr_handler, IRQF_SHARED,
+				"mvumi", mhba);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to register IRQ\n");
+		goto fail_init_irq;
+	}
+	mhba->instancet->enable_intr(mhba->mmio);
+	pci_set_drvdata(pdev, mhba);
+
+	ret = mvumi_io_attach(mhba);
+	if (ret)
+		goto fail_io_attach;
+	dev_dbg(&pdev->dev, "probe mvumi driver successfully.\n");
+
+	return 0;
+
+fail_io_attach:
+	pci_set_drvdata(pdev, NULL);
+	mhba->instancet->disable_intr(mhba->mmio);
+	free_irq(mhba->pdev->irq, mhba);
+fail_init_irq:
+	mvumi_release_fw(mhba);
+fail_init_fw:
+	scsi_host_put(host);
+
+fail_alloc_instance:
+fail_set_dma_mask:
+	pci_disable_device(pdev);
+
+	return ret;
+}
+
+static void mvumi_detach_one(struct pci_dev *pdev)
+{
+	struct Scsi_Host *host;
+	struct mvumi_hba *mhba;
+
+	mhba = pci_get_drvdata(pdev);
+	host = mhba->shost;
+	scsi_remove_host(mhba->shost);
+	mvumi_flush_cache(mhba);
+
+	mhba->instancet->disable_intr(mhba->mmio);
+	free_irq(mhba->pdev->irq, mhba);
+	mvumi_release_fw(mhba);
+	scsi_host_put(host);
+	pci_set_drvdata(pdev, NULL);
+	pci_disable_device(pdev);
+	dev_dbg(&pdev->dev, "driver is removed!\n");
+}
+
+/**
+ * mvumi_shutdown -	Shutdown entry point
+ * @device:		Generic device structure
+ */
+static void mvumi_shutdown(struct pci_dev *pdev)
+{
+	struct mvumi_hba *mhba = pci_get_drvdata(pdev);
+
+	mvumi_flush_cache(mhba);
+}
+
+static int mvumi_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	struct mvumi_hba *mhba = NULL;
+
+	mhba = pci_get_drvdata(pdev);
+	mvumi_flush_cache(mhba);
+
+	pci_set_drvdata(pdev, mhba);
+	mhba->instancet->disable_intr(mhba->mmio);
+	free_irq(mhba->pdev->irq, mhba);
+	mvumi_unmap_pci_addr(pdev, mhba->base_addr);
+	pci_release_regions(pdev);
+	pci_save_state(pdev);
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+	return 0;
+}
+
+static int mvumi_resume(struct pci_dev *pdev)
+{
+	int ret;
+	struct mvumi_hba *mhba = NULL;
+
+	mhba = pci_get_drvdata(pdev);
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_enable_wake(pdev, PCI_D0, 0);
+	pci_restore_state(pdev);
+
+	ret = pci_enable_device(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "enable device failed\n");
+		return ret;
+	}
+	pci_set_master(pdev);
+	if (IS_DMA64) {
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+		if (ret) {
+			ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+			if (ret)
+				goto fail;
+		}
+	} else {
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		if (ret)
+			goto fail;
+	}
+	ret = pci_request_regions(mhba->pdev, MV_DRIVER_NAME);
+	if (ret)
+		goto fail;
+	ret = mvumi_map_pci_addr(mhba->pdev, mhba->base_addr);
+	if (ret)
+		goto release_regions;
+
+	mhba->mmio = mhba->base_addr[0];
+	mvumi_reset(mhba->mmio);
+
+	if (mvumi_start(mhba)) {
+		ret = -EINVAL;
+		goto unmap_pci_addr;
+	}
+
+	ret = request_irq(mhba->pdev->irq, mvumi_isr_handler, IRQF_SHARED,
+				"mvumi", mhba);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to register IRQ\n");
+		goto unmap_pci_addr;
+	}
+	mhba->instancet->enable_intr(mhba->mmio);
+
+	return 0;
+
+unmap_pci_addr:
+	mvumi_unmap_pci_addr(pdev, mhba->base_addr);
+release_regions:
+	pci_release_regions(pdev);
+fail:
+	pci_disable_device(pdev);
+
+	return ret;
+}
+
+static struct pci_driver mvumi_pci_driver = {
+
+	.name = MV_DRIVER_NAME,
+	.id_table = mvumi_pci_table,
+	.probe = mvumi_probe_one,
+	.remove = __devexit_p(mvumi_detach_one),
+	.shutdown = mvumi_shutdown,
+#ifdef CONFIG_PM
+	.suspend = mvumi_suspend,
+	.resume = mvumi_resume,
+#endif
+};
+
+/**
+ * mvumi_init - Driver load entry point
+ */
+static int __init mvumi_init(void)
+{
+	return pci_register_driver(&mvumi_pci_driver);
+}
+
+/**
+ * mvumi_exit - Driver unload entry point
+ */
+static void __exit mvumi_exit(void)
+{
+
+	pci_unregister_driver(&mvumi_pci_driver);
+}
+
+module_init(mvumi_init);
+module_exit(mvumi_exit);
diff --git a/drivers/scsi/mvumi.h b/drivers/scsi/mvumi.h
new file mode 100644
index 000000000000..10b9237566f0
--- /dev/null
+++ b/drivers/scsi/mvumi.h
@@ -0,0 +1,505 @@
+/*
+  * Marvell UMI head file
+  *
+  * Copyright 2011 Marvell. <jyli@marvell.com>
+  *
+  * This file is licensed under GPLv2.
+  *
+  * 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.
+  *
+  * 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
+ */
+
+#ifndef MVUMI_H
+#define MVUMI_H
+
+#define MAX_BASE_ADDRESS	6
+
+#define VER_MAJOR		1
+#define VER_MINOR		1
+#define VER_OEM			0
+#define VER_BUILD		1500
+
+#define MV_DRIVER_NAME			"mvumi"
+#define PCI_VENDOR_ID_MARVELL_2		0x1b4b
+#define PCI_DEVICE_ID_MARVELL_MV9143	0x9143
+
+#define MVUMI_INTERNAL_CMD_WAIT_TIME	45
+
+#define IS_DMA64			(sizeof(dma_addr_t) == 8)
+
+enum mvumi_qc_result {
+	MV_QUEUE_COMMAND_RESULT_SENT	= 0,
+	MV_QUEUE_COMMAND_RESULT_NO_RESOURCE,
+};
+
+enum {
+	/*******************************************/
+
+	/* ARM Mbus Registers Map	*/
+
+	/*******************************************/
+	CPU_MAIN_INT_CAUSE_REG	= 0x20200,
+	CPU_MAIN_IRQ_MASK_REG	= 0x20204,
+	CPU_MAIN_FIQ_MASK_REG	= 0x20208,
+	CPU_ENPOINTA_MASK_REG	= 0x2020C,
+	CPU_ENPOINTB_MASK_REG	= 0x20210,
+
+	INT_MAP_COMAERR		= 1 << 6,
+	INT_MAP_COMAIN		= 1 << 7,
+	INT_MAP_COMAOUT		= 1 << 8,
+	INT_MAP_COMBERR		= 1 << 9,
+	INT_MAP_COMBIN		= 1 << 10,
+	INT_MAP_COMBOUT		= 1 << 11,
+
+	INT_MAP_COMAINT	= (INT_MAP_COMAOUT | INT_MAP_COMAERR),
+	INT_MAP_COMBINT	= (INT_MAP_COMBOUT | INT_MAP_COMBIN | INT_MAP_COMBERR),
+
+	INT_MAP_DL_PCIEA2CPU	= 1 << 0,
+	INT_MAP_DL_CPU2PCIEA	= 1 << 1,
+
+	/***************************************/
+
+	/* ARM Doorbell Registers Map		*/
+
+	/***************************************/
+	CPU_PCIEA_TO_ARM_DRBL_REG	= 0x20400,
+	CPU_PCIEA_TO_ARM_MASK_REG	= 0x20404,
+	CPU_ARM_TO_PCIEA_DRBL_REG	= 0x20408,
+	CPU_ARM_TO_PCIEA_MASK_REG	= 0x2040C,
+
+	DRBL_HANDSHAKE			= 1 << 0,
+	DRBL_SOFT_RESET			= 1 << 1,
+	DRBL_BUS_CHANGE			= 1 << 2,
+	DRBL_EVENT_NOTIFY		= 1 << 3,
+	DRBL_MU_RESET			= 1 << 4,
+	DRBL_HANDSHAKE_ISR		= DRBL_HANDSHAKE,
+
+	CPU_PCIEA_TO_ARM_MSG0		= 0x20430,
+	CPU_PCIEA_TO_ARM_MSG1		= 0x20434,
+	CPU_ARM_TO_PCIEA_MSG0		= 0x20438,
+	CPU_ARM_TO_PCIEA_MSG1		= 0x2043C,
+
+	/*******************************************/
+
+	/* ARM Communication List Registers Map    */
+
+	/*******************************************/
+	CLA_INB_LIST_BASEL		= 0x500,
+	CLA_INB_LIST_BASEH		= 0x504,
+	CLA_INB_AVAL_COUNT_BASEL	= 0x508,
+	CLA_INB_AVAL_COUNT_BASEH	= 0x50C,
+	CLA_INB_DESTI_LIST_BASEL	= 0x510,
+	CLA_INB_DESTI_LIST_BASEH	= 0x514,
+	CLA_INB_WRITE_POINTER		= 0x518,
+	CLA_INB_READ_POINTER		= 0x51C,
+
+	CLA_OUTB_LIST_BASEL		= 0x530,
+	CLA_OUTB_LIST_BASEH		= 0x534,
+	CLA_OUTB_SOURCE_LIST_BASEL	= 0x538,
+	CLA_OUTB_SOURCE_LIST_BASEH	= 0x53C,
+	CLA_OUTB_COPY_POINTER		= 0x544,
+	CLA_OUTB_READ_POINTER		= 0x548,
+
+	CLA_ISR_CAUSE			= 0x560,
+	CLA_ISR_MASK			= 0x564,
+
+	INT_MAP_MU		= (INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAINT),
+
+	CL_POINTER_TOGGLE		= 1 << 12,
+
+	CLIC_IN_IRQ			= 1 << 0,
+	CLIC_OUT_IRQ			= 1 << 1,
+	CLIC_IN_ERR_IRQ			= 1 << 8,
+	CLIC_OUT_ERR_IRQ		= 1 << 12,
+
+	CL_SLOT_NUM_MASK		= 0xFFF,
+
+	/*
+	* Command flag is the flag for the CDB command itself
+	*/
+	/* 1-non data; 0-data command */
+	CMD_FLAG_NON_DATA		= 1 << 0,
+	CMD_FLAG_DMA			= 1 << 1,
+	CMD_FLAG_PIO			= 1 << 2,
+	/* 1-host read data */
+	CMD_FLAG_DATA_IN		= 1 << 3,
+	/* 1-host write data */
+	CMD_FLAG_DATA_OUT		= 1 << 4,
+
+	SCSI_CMD_MARVELL_SPECIFIC	= 0xE1,
+	CDB_CORE_SHUTDOWN		= 0xB,
+};
+
+#define APICDB0_EVENT			0xF4
+#define APICDB1_EVENT_GETEVENT		0
+#define MAX_EVENTS_RETURNED		6
+
+struct mvumi_driver_event {
+	u32	time_stamp;
+	u32	sequence_no;
+	u32	event_id;
+	u8	severity;
+	u8	param_count;
+	u16	device_id;
+	u32	params[4];
+	u8	sense_data_length;
+	u8	Reserved1;
+	u8	sense_data[30];
+};
+
+struct mvumi_event_req {
+	unsigned char	count;
+	unsigned char	reserved[3];
+	struct mvumi_driver_event  events[MAX_EVENTS_RETURNED];
+};
+
+struct mvumi_events_wq {
+	struct work_struct work_q;
+	struct mvumi_hba *mhba;
+	unsigned int event;
+	void *param;
+};
+
+#define MVUMI_MAX_SG_ENTRY	32
+#define SGD_EOT			(1L << 27)
+
+struct mvumi_sgl {
+	u32	baseaddr_l;
+	u32	baseaddr_h;
+	u32	flags;
+	u32	size;
+};
+
+struct mvumi_res {
+	struct list_head entry;
+	dma_addr_t bus_addr;
+	void *virt_addr;
+	unsigned int size;
+	unsigned short type;	/* enum Resource_Type */
+};
+
+/* Resource type */
+enum resource_type {
+	RESOURCE_CACHED_MEMORY = 0,
+	RESOURCE_UNCACHED_MEMORY
+};
+
+struct mvumi_sense_data {
+	u8 error_eode:7;
+	u8 valid:1;
+	u8 segment_number;
+	u8 sense_key:4;
+	u8 reserved:1;
+	u8 incorrect_length:1;
+	u8 end_of_media:1;
+	u8 file_mark:1;
+	u8 information[4];
+	u8 additional_sense_length;
+	u8 command_specific_information[4];
+	u8 additional_sense_code;
+	u8 additional_sense_code_qualifier;
+	u8 field_replaceable_unit_code;
+	u8 sense_key_specific[3];
+};
+
+/* Request initiator must set the status to REQ_STATUS_PENDING. */
+#define REQ_STATUS_PENDING		0x80
+
+struct mvumi_cmd {
+	struct list_head queue_pointer;
+	struct mvumi_msg_frame *frame;
+	struct scsi_cmnd *scmd;
+	atomic_t sync_cmd;
+	void *data_buf;
+	unsigned short request_id;
+	unsigned char cmd_status;
+};
+
+/*
+ * the function type of the in bound frame
+ */
+#define CL_FUN_SCSI_CMD			0x1
+
+struct mvumi_msg_frame {
+	u16 device_id;
+	u16 tag;
+	u8 cmd_flag;
+	u8 req_function;
+	u8 cdb_length;
+	u8 sg_counts;
+	u32 data_transfer_length;
+	u16 request_id;
+	u16 reserved1;
+	u8 cdb[MAX_COMMAND_SIZE];
+	u32 payload[1];
+};
+
+/*
+ * the respond flag for data_payload of the out bound frame
+ */
+#define CL_RSP_FLAG_NODATA		0x0
+#define CL_RSP_FLAG_SENSEDATA		0x1
+
+struct mvumi_rsp_frame {
+	u16 device_id;
+	u16 tag;
+	u8 req_status;
+	u8 rsp_flag;	/* Indicates the type of Data_Payload.*/
+	u16 request_id;
+	u32 payload[1];
+};
+
+struct mvumi_ob_data {
+	struct list_head list;
+	unsigned char data[0];
+};
+
+struct version_info {
+	u32 ver_major;
+	u32 ver_minor;
+	u32 ver_oem;
+	u32 ver_build;
+};
+
+#define FW_MAX_DELAY			30
+#define MVUMI_FW_BUSY			(1U << 0)
+#define MVUMI_FW_ATTACH			(1U << 1)
+#define MVUMI_FW_ALLOC			(1U << 2)
+
+/*
+ * State is the state of the MU
+ */
+#define FW_STATE_IDLE			0
+#define FW_STATE_STARTING		1
+#define FW_STATE_HANDSHAKING		2
+#define FW_STATE_STARTED		3
+#define FW_STATE_ABORT			4
+
+#define HANDSHAKE_SIGNATURE		0x5A5A5A5AL
+#define HANDSHAKE_READYSTATE		0x55AA5AA5L
+#define HANDSHAKE_DONESTATE		0x55AAA55AL
+
+/* HandShake Status definition */
+#define HS_STATUS_OK			1
+#define HS_STATUS_ERR			2
+#define HS_STATUS_INVALID		3
+
+/* HandShake State/Cmd definition */
+#define HS_S_START			1
+#define HS_S_RESET			2
+#define HS_S_PAGE_ADDR			3
+#define HS_S_QUERY_PAGE			4
+#define HS_S_SEND_PAGE			5
+#define HS_S_END			6
+#define HS_S_ABORT			7
+#define HS_PAGE_VERIFY_SIZE		128
+
+#define HS_GET_STATE(a)			(a & 0xFFFF)
+#define HS_GET_STATUS(a)		((a & 0xFFFF0000) >> 16)
+#define HS_SET_STATE(a, b)		(a |= (b & 0xFFFF))
+#define HS_SET_STATUS(a, b)		(a |= ((b & 0xFFFF) << 16))
+
+/* handshake frame */
+struct mvumi_hs_frame {
+	u16 size;
+	/* host information */
+	u8 host_type;
+	u8 reserved_1[1];
+	struct version_info host_ver; /* bios or driver version */
+
+	/* controller information */
+	u32 system_io_bus;
+	u32 slot_number;
+	u32 intr_level;
+	u32 intr_vector;
+
+	/* communication list configuration */
+	u32 ib_baseaddr_l;
+	u32 ib_baseaddr_h;
+	u32 ob_baseaddr_l;
+	u32 ob_baseaddr_h;
+
+	u8 ib_entry_size;
+	u8 ob_entry_size;
+	u8 ob_depth;
+	u8 ib_depth;
+
+	/* system time */
+	u64 seconds_since1970;
+};
+
+struct mvumi_hs_header {
+	u8	page_code;
+	u8	checksum;
+	u16	frame_length;
+	u32	frame_content[1];
+};
+
+/*
+ * the page code type of the handshake header
+ */
+#define HS_PAGE_FIRM_CAP	0x1
+#define HS_PAGE_HOST_INFO	0x2
+#define HS_PAGE_FIRM_CTL	0x3
+#define HS_PAGE_CL_INFO		0x4
+#define HS_PAGE_TOTAL		0x5
+
+#define HSP_SIZE(i)	sizeof(struct mvumi_hs_page##i)
+
+#define HSP_MAX_SIZE ({					\
+	int size, m1, m2;				\
+	m1 = max(HSP_SIZE(1), HSP_SIZE(3));		\
+	m2 = max(HSP_SIZE(2), HSP_SIZE(4));		\
+	size = max(m1, m2);				\
+	size;						\
+})
+
+/* The format of the page code for Firmware capability */
+struct mvumi_hs_page1 {
+	u8 pagecode;
+	u8 checksum;
+	u16 frame_length;
+
+	u16 number_of_ports;
+	u16 max_devices_support;
+	u16 max_io_support;
+	u16 umi_ver;
+	u32 max_transfer_size;
+	struct version_info fw_ver;
+	u8 cl_in_max_entry_size;
+	u8 cl_out_max_entry_size;
+	u8 cl_inout_list_depth;
+	u8 total_pages;
+	u16 capability;
+	u16 reserved1;
+};
+
+/* The format of the page code for Host information */
+struct mvumi_hs_page2 {
+	u8 pagecode;
+	u8 checksum;
+	u16 frame_length;
+
+	u8 host_type;
+	u8 reserved[3];
+	struct version_info host_ver;
+	u32 system_io_bus;
+	u32 slot_number;
+	u32 intr_level;
+	u32 intr_vector;
+	u64 seconds_since1970;
+};
+
+/* The format of the page code for firmware control  */
+struct mvumi_hs_page3 {
+	u8	pagecode;
+	u8	checksum;
+	u16	frame_length;
+	u16	control;
+	u8	reserved[2];
+	u32	host_bufferaddr_l;
+	u32	host_bufferaddr_h;
+	u32	host_eventaddr_l;
+	u32	host_eventaddr_h;
+};
+
+struct mvumi_hs_page4 {
+	u8	pagecode;
+	u8	checksum;
+	u16	frame_length;
+	u32	ib_baseaddr_l;
+	u32	ib_baseaddr_h;
+	u32	ob_baseaddr_l;
+	u32	ob_baseaddr_h;
+	u8	ib_entry_size;
+	u8	ob_entry_size;
+	u8	ob_depth;
+	u8	ib_depth;
+};
+
+struct mvumi_tag {
+	unsigned short *stack;
+	unsigned short top;
+	unsigned short size;
+};
+
+struct mvumi_hba {
+	void *base_addr[MAX_BASE_ADDRESS];
+	void *mmio;
+	struct list_head cmd_pool;
+	struct Scsi_Host *shost;
+	wait_queue_head_t int_cmd_wait_q;
+	struct pci_dev *pdev;
+	unsigned int unique_id;
+	atomic_t fw_outstanding;
+	struct mvumi_instance_template *instancet;
+
+	void *ib_list;
+	dma_addr_t ib_list_phys;
+
+	void *ob_list;
+	dma_addr_t ob_list_phys;
+
+	void *ib_shadow;
+	dma_addr_t ib_shadow_phys;
+
+	void *ob_shadow;
+	dma_addr_t ob_shadow_phys;
+
+	void *handshake_page;
+	dma_addr_t handshake_page_phys;
+
+	unsigned int global_isr;
+	unsigned int isr_status;
+
+	unsigned short max_sge;
+	unsigned short max_target_id;
+	unsigned char *target_map;
+	unsigned int max_io;
+	unsigned int list_num_io;
+	unsigned int ib_max_size;
+	unsigned int ob_max_size;
+	unsigned int ib_max_size_setting;
+	unsigned int ob_max_size_setting;
+	unsigned int max_transfer_size;
+	unsigned char hba_total_pages;
+	unsigned char fw_flag;
+	unsigned char request_id_enabled;
+	unsigned short hba_capability;
+	unsigned short io_seq;
+
+	unsigned int ib_cur_slot;
+	unsigned int ob_cur_slot;
+	unsigned int fw_state;
+
+	struct list_head ob_data_list;
+	struct list_head free_ob_list;
+	struct list_head res_list;
+	struct list_head waiting_req_list;
+
+	struct mvumi_tag tag_pool;
+	struct mvumi_cmd **tag_cmd;
+};
+
+struct mvumi_instance_template {
+	void (*fire_cmd)(struct mvumi_hba *, struct mvumi_cmd *);
+	void (*enable_intr)(void *) ;
+	void (*disable_intr)(void *);
+	int (*clear_intr)(void *);
+	unsigned int (*read_fw_status_reg)(void *);
+};
+
+extern struct timezone sys_tz;
+#endif
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 8b7db1e53c10..b7b92f7be2aa 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -567,11 +567,11 @@ static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 	value = pm8001_cr32(pm8001_ha, 0, 0x44);
 	offset = value & 0x03FFFFFF;
 	PM8001_INIT_DBG(pm8001_ha,
-		pm8001_printk("Scratchpad 0 Offset: %x \n", offset));
+		pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
 	pcilogic = (value & 0xFC000000) >> 26;
 	pcibar = get_pci_bar_index(pcilogic);
 	PM8001_INIT_DBG(pm8001_ha,
-		pm8001_printk("Scratchpad 0 PCI BAR: %d \n", pcibar));
+		pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
 	pm8001_ha->main_cfg_tbl_addr = base_addr =
 		pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 	pm8001_ha->general_stat_tbl_addr =
@@ -1245,7 +1245,7 @@ static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
 
 	if (mpi_msg_free_get(circularQ, 64, &pMessage) < 0) {
 		PM8001_IO_DBG(pm8001_ha,
-			pm8001_printk("No free mpi buffer \n"));
+			pm8001_printk("No free mpi buffer\n"));
 		return -1;
 	}
 	BUG_ON(!payload);
@@ -1262,7 +1262,7 @@ static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
 	pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
 		circularQ->pi_offset, circularQ->producer_idx);
 	PM8001_IO_DBG(pm8001_ha,
-		pm8001_printk("after PI= %d CI= %d \n", circularQ->producer_idx,
+		pm8001_printk("after PI= %d CI= %d\n", circularQ->producer_idx,
 		circularQ->consumer_index));
 	return 0;
 }
@@ -1474,7 +1474,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
 	switch (status) {
 	case IO_SUCCESS:
 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
-			",param = %d \n", param));
+			",param = %d\n", param));
 		if (param == 0) {
 			ts->resp = SAS_TASK_COMPLETE;
 			ts->stat = SAM_STAT_GOOD;
@@ -1490,14 +1490,14 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
 		break;
 	case IO_ABORTED:
 		PM8001_IO_DBG(pm8001_ha,
-			pm8001_printk("IO_ABORTED IOMB Tag \n"));
+			pm8001_printk("IO_ABORTED IOMB Tag\n"));
 		ts->resp = SAS_TASK_COMPLETE;
 		ts->stat = SAS_ABORTED_TASK;
 		break;
 	case IO_UNDERFLOW:
 		/* SSP Completion with error */
 		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
-			",param = %d \n", param));
+			",param = %d\n", param));
 		ts->resp = SAS_TASK_COMPLETE;
 		ts->stat = SAS_DATA_UNDERRUN;
 		ts->residual = param;
@@ -1649,6 +1649,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
 		ts->resp = SAS_TASK_COMPLETE;
 		ts->stat = SAS_OPEN_REJECT;
 		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+		break;
 	default:
 		PM8001_IO_DBG(pm8001_ha,
 			pm8001_printk("Unknown status 0x%x\n", status));
@@ -1937,14 +1938,14 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
 				ts->buf_valid_size = sizeof(*resp);
 			} else
 				PM8001_IO_DBG(pm8001_ha,
-					pm8001_printk("response to large \n"));
+					pm8001_printk("response to large\n"));
 		}
 		if (pm8001_dev)
 			pm8001_dev->running_req--;
 		break;
 	case IO_ABORTED:
 		PM8001_IO_DBG(pm8001_ha,
-			pm8001_printk("IO_ABORTED IOMB Tag \n"));
+			pm8001_printk("IO_ABORTED IOMB Tag\n"));
 		ts->resp = SAS_TASK_COMPLETE;
 		ts->stat = SAS_ABORTED_TASK;
 		if (pm8001_dev)
@@ -2728,11 +2729,11 @@ static int mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
 	u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
 	if (status != 0) {
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("%x phy execute %x phy op failed! \n",
+			pm8001_printk("%x phy execute %x phy op failed!\n",
 			phy_id, phy_op));
 	} else
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("%x phy execute %x phy op success! \n",
+			pm8001_printk("%x phy execute %x phy op success!\n",
 			phy_id, phy_op));
 	return 0;
 }
@@ -3018,7 +3019,7 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
 		break;
 	case PORT_INVALID:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk(" PortInvalid portID %d \n", port_id));
+			pm8001_printk(" PortInvalid portID %d\n", port_id));
 		PM8001_MSG_DBG(pm8001_ha,
 			pm8001_printk(" Last phy Down and port invalid\n"));
 		port->port_attached = 0;
@@ -3027,7 +3028,7 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
 		break;
 	case PORT_IN_RESET:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk(" Port In Reset portID %d \n", port_id));
+			pm8001_printk(" Port In Reset portID %d\n", port_id));
 		break;
 	case PORT_NOT_ESTABLISHED:
 		PM8001_MSG_DBG(pm8001_ha,
@@ -3220,7 +3221,7 @@ mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
 		pm8001_printk(" status = 0x%x\n", status));
 	for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("inb_IOMB_payload[0x%x] 0x%x, \n", i,
+			pm8001_printk("inb_IOMB_payload[0x%x] 0x%x,\n", i,
 			pPayload->inb_IOMB_payload[i]));
 	return 0;
 }
@@ -3312,12 +3313,12 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
 		break;
 	case HW_EVENT_SAS_PHY_UP:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_PHY_START_STATUS \n"));
+			pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
 		hw_event_sas_phy_up(pm8001_ha, piomb);
 		break;
 	case HW_EVENT_SATA_PHY_UP:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_SATA_PHY_UP \n"));
+			pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
 		hw_event_sata_phy_up(pm8001_ha, piomb);
 		break;
 	case HW_EVENT_PHY_STOP_STATUS:
@@ -3329,12 +3330,12 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
 		break;
 	case HW_EVENT_SATA_SPINUP_HOLD:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD \n"));
+			pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
 		break;
 	case HW_EVENT_PHY_DOWN:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_PHY_DOWN \n"));
+			pm8001_printk("HW_EVENT_PHY_DOWN\n"));
 		sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
 		phy->phy_attached = 0;
 		phy->phy_state = 0;
@@ -3446,7 +3447,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
 		break;
 	case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED \n"));
+			pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
 		pm8001_hw_event_ack_req(pm8001_ha, 0,
 			HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
 			port_id, phy_id, 0, 0);
@@ -3456,25 +3457,25 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
 		break;
 	case HW_EVENT_PORT_RESET_TIMER_TMO:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO \n"));
+			pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
 		sas_phy_disconnected(sas_phy);
 		phy->phy_attached = 0;
 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 		break;
 	case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO \n"));
+			pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
 		sas_phy_disconnected(sas_phy);
 		phy->phy_attached = 0;
 		sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
 		break;
 	case HW_EVENT_PORT_RECOVER:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_PORT_RECOVER \n"));
+			pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
 		break;
 	case HW_EVENT_PORT_RESET_COMPLETE:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE \n"));
+			pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
 		break;
 	case EVENT_BROADCAST_ASYNCH_EVENT:
 		PM8001_MSG_DBG(pm8001_ha,
@@ -3502,21 +3503,21 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
 
 	switch (opc) {
 	case OPC_OUB_ECHO:
-		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO \n"));
+		PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
 		break;
 	case OPC_OUB_HW_EVENT:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_HW_EVENT \n"));
+			pm8001_printk("OPC_OUB_HW_EVENT\n"));
 		mpi_hw_event(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_SSP_COMP:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_SSP_COMP \n"));
+			pm8001_printk("OPC_OUB_SSP_COMP\n"));
 		mpi_ssp_completion(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_SMP_COMP:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_SMP_COMP \n"));
+			pm8001_printk("OPC_OUB_SMP_COMP\n"));
 		mpi_smp_completion(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_LOCAL_PHY_CNTRL:
@@ -3526,26 +3527,26 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
 		break;
 	case OPC_OUB_DEV_REGIST:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_DEV_REGIST \n"));
+			pm8001_printk("OPC_OUB_DEV_REGIST\n"));
 		mpi_reg_resp(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_DEREG_DEV:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("unresgister the deviece \n"));
+			pm8001_printk("unresgister the deviece\n"));
 		mpi_dereg_resp(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_GET_DEV_HANDLE:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_GET_DEV_HANDLE \n"));
+			pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
 		break;
 	case OPC_OUB_SATA_COMP:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_SATA_COMP \n"));
+			pm8001_printk("OPC_OUB_SATA_COMP\n"));
 		mpi_sata_completion(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_SATA_EVENT:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("OPC_OUB_SATA_EVENT \n"));
+			pm8001_printk("OPC_OUB_SATA_EVENT\n"));
 		mpi_sata_event(pm8001_ha, piomb);
 		break;
 	case OPC_OUB_SSP_EVENT:
@@ -3858,19 +3859,19 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
 	if (task->data_dir == PCI_DMA_NONE) {
 		ATAP = 0x04;  /* no data*/
-		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data \n"));
+		PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
 	} else if (likely(!task->ata_task.device_control_reg_update)) {
 		if (task->ata_task.dma_xfer) {
 			ATAP = 0x06; /* DMA */
-			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA \n"));
+			PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
 		} else {
 			ATAP = 0x05; /* PIO*/
-			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO \n"));
+			PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
 		}
 		if (task->ata_task.use_ncq &&
 			dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
 			ATAP = 0x07; /* FPDMA */
-			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA \n"));
+			PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
 		}
 	}
 	if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag))
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 172cefb6deb9..c21a2163f9f6 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -61,7 +61,7 @@ static struct scsi_host_template pm8001_sht = {
 	.name			= DRV_NAME,
 	.queuecommand		= sas_queuecommand,
 	.target_alloc		= sas_target_alloc,
-	.slave_configure	= pm8001_slave_configure,
+	.slave_configure	= sas_slave_configure,
 	.slave_destroy		= sas_slave_destroy,
 	.scan_finished		= pm8001_scan_finished,
 	.scan_start		= pm8001_scan_start,
@@ -76,7 +76,7 @@ static struct scsi_host_template pm8001_sht = {
 	.use_clustering		= ENABLE_CLUSTERING,
 	.eh_device_reset_handler = sas_eh_device_reset_handler,
 	.eh_bus_reset_handler	= sas_eh_bus_reset_handler,
-	.slave_alloc		= pm8001_slave_alloc,
+	.slave_alloc		= sas_slave_alloc,
 	.target_destroy		= sas_target_destroy,
 	.ioctl			= sas_ioctl,
 	.shost_attrs		= pm8001_host_attrs,
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 6ae059ebb4bb..fb3dc9978861 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -210,26 +210,12 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
 		PM8001_CHIP_DISP->phy_stop_req(pm8001_ha, phy_id);
 		break;
 	default:
-		rc = -EOPNOTSUPP;
+		rc = -ENOSYS;
 	}
 	msleep(300);
 	return rc;
 }
 
-int pm8001_slave_alloc(struct scsi_device *scsi_dev)
-{
-	struct domain_device *dev = sdev_to_domain_dev(scsi_dev);
-	if (dev_is_sata(dev)) {
-		/* We don't need to rescan targets
-		* if REPORT_LUNS request is failed
-		*/
-		if (scsi_dev->lun > 0)
-			return -ENXIO;
-		scsi_dev->tagged_supported = 1;
-	}
-	return sas_slave_alloc(scsi_dev);
-}
-
 /**
   * pm8001_scan_start - we should enable all HBA phys by sending the phy_start
   * command to HBA.
@@ -314,22 +300,7 @@ static int pm8001_task_prep_ssp(struct pm8001_hba_info *pm8001_ha,
 {
 	return PM8001_CHIP_DISP->ssp_io_req(pm8001_ha, ccb);
 }
-int pm8001_slave_configure(struct scsi_device *sdev)
-{
-	struct domain_device *dev = sdev_to_domain_dev(sdev);
-	int ret = sas_slave_configure(sdev);
-	if (ret)
-		return ret;
-	if (dev_is_sata(dev)) {
-	#ifdef PM8001_DISABLE_NCQ
-		struct ata_port *ap = dev->sata_dev.ap;
-		struct ata_device *adev = ap->link.device;
-		adev->flags |= ATA_DFLAG_NCQ_OFF;
-		scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, 1);
-	#endif
-	}
-	return 0;
-}
+
  /* Find the local port id that's attached to this device */
 static int sas_find_local_port_id(struct domain_device *dev)
 {
@@ -385,21 +356,8 @@ static int pm8001_task_exec(struct sas_task *task, const int num,
 	do {
 		dev = t->dev;
 		pm8001_dev = dev->lldd_dev;
-		if (DEV_IS_GONE(pm8001_dev)) {
-			if (pm8001_dev) {
-				PM8001_IO_DBG(pm8001_ha,
-					pm8001_printk("device %d not ready.\n",
-					pm8001_dev->device_id));
-			} else {
-				PM8001_IO_DBG(pm8001_ha,
-					pm8001_printk("device %016llx not "
-					"ready.\n", SAS_ADDR(dev->sas_addr)));
-			}
-			rc = SAS_PHY_DOWN;
-			goto out_done;
-		}
 		port = &pm8001_ha->port[sas_find_local_port_id(dev)];
-		if (!port->port_attached) {
+		if (DEV_IS_GONE(pm8001_dev) || !port->port_attached) {
 			if (sas_protocol_ata(t->task_proto)) {
 				struct task_status_struct *ts = &t->task_status;
 				ts->resp = SAS_TASK_UNDELIVERED;
@@ -651,7 +609,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
 				flag = 1; /* directly sata*/
 		}
 	} /*register this device to HBA*/
-	PM8001_DISC_DBG(pm8001_ha, pm8001_printk("Found device \n"));
+	PM8001_DISC_DBG(pm8001_ha, pm8001_printk("Found device\n"));
 	PM8001_CHIP_DISP->reg_dev_req(pm8001_ha, pm8001_device, flag);
 	spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 	wait_for_completion(&completion);
@@ -669,30 +627,6 @@ int pm8001_dev_found(struct domain_device *dev)
 	return pm8001_dev_found_notify(dev);
 }
 
-/**
-  * pm8001_alloc_task - allocate a task structure for TMF
-  */
-static struct sas_task *pm8001_alloc_task(void)
-{
-	struct sas_task *task = kzalloc(sizeof(*task), GFP_KERNEL);
-	if (task) {
-		INIT_LIST_HEAD(&task->list);
-		spin_lock_init(&task->task_state_lock);
-		task->task_state_flags = SAS_TASK_STATE_PENDING;
-		init_timer(&task->timer);
-		init_completion(&task->completion);
-	}
-	return task;
-}
-
-static void pm8001_free_task(struct sas_task *task)
-{
-	if (task) {
-		BUG_ON(!list_empty(&task->list));
-		kfree(task);
-	}
-}
-
 static void pm8001_task_done(struct sas_task *task)
 {
 	if (!del_timer(&task->timer))
@@ -728,7 +662,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
 	struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev);
 
 	for (retry = 0; retry < 3; retry++) {
-		task = pm8001_alloc_task();
+		task = sas_alloc_task(GFP_KERNEL);
 		if (!task)
 			return -ENOMEM;
 
@@ -789,14 +723,13 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
 				SAS_ADDR(dev->sas_addr),
 				task->task_status.resp,
 				task->task_status.stat));
-			pm8001_free_task(task);
+			sas_free_task(task);
 			task = NULL;
 		}
 	}
 ex_err:
 	BUG_ON(retry == 3 && task != NULL);
-	if (task != NULL)
-		pm8001_free_task(task);
+	sas_free_task(task);
 	return res;
 }
 
@@ -811,7 +744,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
 	struct sas_task *task = NULL;
 
 	for (retry = 0; retry < 3; retry++) {
-		task = pm8001_alloc_task();
+		task = sas_alloc_task(GFP_KERNEL);
 		if (!task)
 			return -ENOMEM;
 
@@ -864,14 +797,13 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
 				SAS_ADDR(dev->sas_addr),
 				task->task_status.resp,
 				task->task_status.stat));
-			pm8001_free_task(task);
+			sas_free_task(task);
 			task = NULL;
 		}
 	}
 ex_err:
 	BUG_ON(retry == 3 && task != NULL);
-	if (task != NULL)
-		pm8001_free_task(task);
+	sas_free_task(task);
 	return res;
 }
 
@@ -1026,13 +958,14 @@ int pm8001_query_task(struct sas_task *task)
 		/* The task is still in Lun, release it then */
 		case TMF_RESP_FUNC_SUCC:
 			PM8001_EH_DBG(pm8001_ha,
-				pm8001_printk("The task is still in Lun \n"));
+				pm8001_printk("The task is still in Lun\n"));
+			break;
 		/* The task is not in Lun or failed, reset the phy */
 		case TMF_RESP_FUNC_FAILED:
 		case TMF_RESP_FUNC_COMPLETE:
 			PM8001_EH_DBG(pm8001_ha,
 			pm8001_printk("The task is not in Lun or failed,"
-			" reset the phy \n"));
+			" reset the phy\n"));
 			break;
 		}
 	}
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index b97c8ab0c20e..93959febe205 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -471,8 +471,6 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
 	struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
 int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
 	void *funcdata);
-int pm8001_slave_alloc(struct scsi_device *scsi_dev);
-int pm8001_slave_configure(struct scsi_device *sdev);
 void pm8001_scan_start(struct Scsi_Host *shost);
 int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
 int pm8001_queue_command(struct sas_task *task, const int num,
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index a31e05f3bfd4..ac326c41e931 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -23,11 +23,23 @@ qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
 	struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
 	    struct device, kobj)));
 	struct qla_hw_data *ha = vha->hw;
+	int rval = 0;
 
 	if (ha->fw_dump_reading == 0)
 		return 0;
 
-	return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
+	if (IS_QLA82XX(ha)) {
+		if (off < ha->md_template_size) {
+			rval = memory_read_from_buffer(buf, count,
+			    &off, ha->md_tmplt_hdr, ha->md_template_size);
+			return rval;
+		}
+		off -= ha->md_template_size;
+		rval = memory_read_from_buffer(buf, count,
+		    &off, ha->md_dump, ha->md_dump_size);
+		return rval;
+	} else
+		return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
 					ha->fw_dump_len);
 }
 
@@ -41,12 +53,6 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
 	struct qla_hw_data *ha = vha->hw;
 	int reading;
 
-	if (IS_QLA82XX(ha)) {
-		ql_dbg(ql_dbg_user, vha, 0x705b,
-		    "Firmware dump not supported for ISP82xx\n");
-		return count;
-	}
-
 	if (off != 0)
 		return (0);
 
@@ -59,6 +65,10 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
 		ql_log(ql_log_info, vha, 0x705d,
 		    "Firmware dump cleared on (%ld).\n", vha->host_no);
 
+		if (IS_QLA82XX(vha->hw)) {
+			qla82xx_md_free(vha);
+			qla82xx_md_prep(vha);
+		}
 		ha->fw_dump_reading = 0;
 		ha->fw_dumped = 0;
 		break;
@@ -75,10 +85,29 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
 		qla2x00_alloc_fw_dump(vha);
 		break;
 	case 3:
-		qla2x00_system_error(vha);
+		if (IS_QLA82XX(ha)) {
+			qla82xx_idc_lock(ha);
+			qla82xx_set_reset_owner(vha);
+			qla82xx_idc_unlock(ha);
+		} else
+			qla2x00_system_error(vha);
+		break;
+	case 4:
+		if (IS_QLA82XX(ha)) {
+			if (ha->md_tmplt_hdr)
+				ql_dbg(ql_dbg_user, vha, 0x705b,
+				    "MiniDump supported with this firmware.\n");
+			else
+				ql_dbg(ql_dbg_user, vha, 0x709d,
+				    "MiniDump not supported with this firmware.\n");
+		}
+		break;
+	case 5:
+		if (IS_QLA82XX(ha))
+			set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
 		break;
 	}
-	return (count);
+	return -EINVAL;
 }
 
 static struct bin_attribute sysfs_fw_dump_attr = {
@@ -122,7 +151,7 @@ qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
 	    !ha->isp_ops->write_nvram)
-		return 0;
+		return -EINVAL;
 
 	/* Checksum NVRAM. */
 	if (IS_FWI2_CAPABLE(ha)) {
@@ -165,7 +194,7 @@ qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
 	qla2xxx_wake_dpc(vha);
 	qla2x00_wait_for_chip_reset(vha);
 
-	return (count);
+	return count;
 }
 
 static struct bin_attribute sysfs_nvram_attr = {
@@ -239,10 +268,10 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 	int val, valid;
 
 	if (off)
-		return 0;
+		return -EINVAL;
 
 	if (unlikely(pci_channel_offline(ha->pdev)))
-		return 0;
+		return -EAGAIN;
 
 	if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
 		return -EINVAL;
@@ -253,7 +282,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 	case 0:
 		if (ha->optrom_state != QLA_SREADING &&
 		    ha->optrom_state != QLA_SWRITING)
-			break;
+			return -EINVAL;
 
 		ha->optrom_state = QLA_SWAITING;
 
@@ -266,7 +295,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 		break;
 	case 1:
 		if (ha->optrom_state != QLA_SWAITING)
-			break;
+			return -EINVAL;
 
 		ha->optrom_region_start = start;
 		ha->optrom_region_size = start + size > ha->optrom_size ?
@@ -280,7 +309,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 			    "(%x).\n", ha->optrom_region_size);
 
 			ha->optrom_state = QLA_SWAITING;
-			return count;
+			return -ENOMEM;
 		}
 
 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
@@ -299,7 +328,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 		break;
 	case 2:
 		if (ha->optrom_state != QLA_SWAITING)
-			break;
+			return -EINVAL;
 
 		/*
 		 * We need to be more restrictive on which FLASH regions are
@@ -347,7 +376,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 			    "(%x)\n", ha->optrom_region_size);
 
 			ha->optrom_state = QLA_SWAITING;
-			return count;
+			return -ENOMEM;
 		}
 
 		ql_dbg(ql_dbg_user, vha, 0x7067,
@@ -358,7 +387,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 		break;
 	case 3:
 		if (ha->optrom_state != QLA_SWRITING)
-			break;
+			return -ENOMEM;
 
 		if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
 			ql_log(ql_log_warn, vha, 0x7068,
@@ -374,7 +403,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
 		    ha->optrom_region_start, ha->optrom_region_size);
 		break;
 	default:
-		count = -EINVAL;
+		return -EINVAL;
 	}
 	return count;
 }
@@ -398,10 +427,10 @@ qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
 	struct qla_hw_data *ha = vha->hw;
 
 	if (unlikely(pci_channel_offline(ha->pdev)))
-		return 0;
+		return -EAGAIN;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return 0;
+		return -EINVAL;
 
 	if (IS_NOCACHE_VPD_TYPE(ha))
 		ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
@@ -438,17 +467,17 @@ qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
 
 	/* Update flash version information for 4Gb & above. */
 	if (!IS_FWI2_CAPABLE(ha))
-		goto done;
+		return -EINVAL;
 
 	tmp_data = vmalloc(256);
 	if (!tmp_data) {
 		ql_log(ql_log_warn, vha, 0x706b,
 		    "Unable to allocate memory for VPD information update.\n");
-		goto done;
+		return -ENOMEM;
 	}
 	ha->isp_ops->get_flash_version(vha, tmp_data);
 	vfree(tmp_data);
-done:
+
 	return count;
 }
 
@@ -505,8 +534,7 @@ do_read:
 			    "Unable to read SFP data (%x/%x/%x).\n", rval,
 			    addr, offset);
 
-			count = 0;
-			break;
+			return -EIO;
 		}
 		memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
 		buf += SFP_BLOCK_SIZE;
@@ -536,7 +564,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 	int type;
 
 	if (off != 0)
-		return 0;
+		return -EINVAL;
 
 	type = simple_strtol(buf, NULL, 10);
 	switch (type) {
@@ -546,13 +574,18 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 
 		scsi_block_requests(vha->host);
 		set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+		if (IS_QLA82XX(ha)) {
+			qla82xx_idc_lock(ha);
+			qla82xx_set_reset_owner(vha);
+			qla82xx_idc_unlock(ha);
+		}
 		qla2xxx_wake_dpc(vha);
 		qla2x00_wait_for_chip_reset(vha);
 		scsi_unblock_requests(vha->host);
 		break;
 	case 0x2025d:
 		if (!IS_QLA81XX(ha))
-			break;
+			return -EPERM;
 
 		ql_log(ql_log_info, vha, 0x706f,
 		    "Issuing MPI reset.\n");
@@ -571,7 +604,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
 		if (!IS_QLA82XX(ha) || vha != base_vha) {
 			ql_log(ql_log_info, vha, 0x7071,
 			    "FCoE ctx reset no supported.\n");
-			return count;
+			return -EPERM;
 		}
 
 		ql_log(ql_log_info, vha, 0x7072,
@@ -607,7 +640,7 @@ qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj,
 	ha->edc_data_len = 0;
 
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
-		return 0;
+		return -EINVAL;
 
 	if (!ha->edc_data) {
 		ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
@@ -615,7 +648,7 @@ qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj,
 		if (!ha->edc_data) {
 			ql_log(ql_log_warn, vha, 0x7073,
 			    "Unable to allocate memory for EDC write.\n");
-			return 0;
+			return -ENOMEM;
 		}
 	}
 
@@ -634,9 +667,9 @@ qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj,
 	    dev, adr, len, opt);
 	if (rval != QLA_SUCCESS) {
 		ql_log(ql_log_warn, vha, 0x7074,
-		    "Unable to write EDC (%x) %02x:%04x:%02x:%02x\n",
+		    "Unable to write EDC (%x) %02x:%04x:%02x:%02hhx\n",
 		    rval, dev, adr, opt, len, buf[8]);
-		return 0;
+		return -EIO;
 	}
 
 	return count;
@@ -665,7 +698,7 @@ qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj,
 	ha->edc_data_len = 0;
 
 	if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
-		return 0;
+		return -EINVAL;
 
 	if (!ha->edc_data) {
 		ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
@@ -673,7 +706,7 @@ qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj,
 		if (!ha->edc_data) {
 			ql_log(ql_log_warn, vha, 0x708c,
 			    "Unable to allocate memory for EDC status.\n");
-			return 0;
+			return -ENOMEM;
 		}
 	}
 
@@ -693,7 +726,7 @@ qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj,
 		ql_log(ql_log_info, vha, 0x7075,
 		    "Unable to write EDC status (%x) %02x:%04x:%02x.\n",
 		    rval, dev, adr, opt, len);
-		return 0;
+		return -EIO;
 	}
 
 	ha->edc_data_len = len;
@@ -805,7 +838,7 @@ qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
 	if (!ha->dcbx_tlv) {
 		ql_log(ql_log_warn, vha, 0x7078,
 		    "Unable to allocate memory for DCBX TLV read-data.\n");
-		return 0;
+		return -ENOMEM;
 	}
 
 do_read:
@@ -817,7 +850,7 @@ do_read:
 	if (rval != QLA_SUCCESS) {
 		ql_log(ql_log_warn, vha, 0x7079,
 		    "Unable to read DCBX TLV (%x).\n", rval);
-		count = 0;
+		return -EIO;
 	}
 
 	memcpy(buf, ha->dcbx_tlv, count);
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 07d1767cd26b..8b641a8a0c74 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -704,6 +704,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
 	elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
 
 	if ((ha->current_topology == ISP_CFG_F ||
+	    (atomic_read(&vha->loop_state) == LOOP_DOWN) ||
 	    (IS_QLA81XX(ha) &&
 	    le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
 	    && req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
@@ -1447,6 +1448,148 @@ qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
 }
 
 static int
+qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval = 0;
+	uint8_t bsg[DMA_POOL_SIZE];
+	struct qla_image_version_list *list = (void *)bsg;
+	struct qla_image_version *image;
+	uint32_t count;
+	dma_addr_t sfp_dma;
+	void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+	if (!sfp) {
+		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+		    EXT_STATUS_NO_MEMORY;
+		goto done;
+	}
+
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+	    bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
+
+	image = list->version;
+	count = list->count;
+	while (count--) {
+		memcpy(sfp, &image->field_info, sizeof(image->field_info));
+		rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+		    image->field_address.device, image->field_address.offset,
+		    sizeof(image->field_info), image->field_address.option);
+		if (rval) {
+			bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+			    EXT_STATUS_MAILBOX;
+			goto dealloc;
+		}
+		image++;
+	}
+
+	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+	bsg_job->reply->result = DID_OK << 16;
+	bsg_job->job_done(bsg_job);
+
+	return 0;
+}
+
+static int
+qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval = 0;
+	uint8_t bsg[DMA_POOL_SIZE];
+	struct qla_status_reg *sr = (void *)bsg;
+	dma_addr_t sfp_dma;
+	uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+	if (!sfp) {
+		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+		    EXT_STATUS_NO_MEMORY;
+		goto done;
+	}
+
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+	    bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+	rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
+	    sr->field_address.device, sr->field_address.offset,
+	    sizeof(sr->status_reg), sr->field_address.option);
+	sr->status_reg = *sfp;
+
+	if (rval) {
+		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+		    EXT_STATUS_MAILBOX;
+		goto dealloc;
+	}
+
+	sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+	    bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
+
+	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+	bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
+	bsg_job->reply->result = DID_OK << 16;
+	bsg_job->job_done(bsg_job);
+
+	return 0;
+}
+
+static int
+qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = bsg_job->shost;
+	scsi_qla_host_t *vha = shost_priv(host);
+	struct qla_hw_data *ha = vha->hw;
+	int rval = 0;
+	uint8_t bsg[DMA_POOL_SIZE];
+	struct qla_status_reg *sr = (void *)bsg;
+	dma_addr_t sfp_dma;
+	uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+	if (!sfp) {
+		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+		    EXT_STATUS_NO_MEMORY;
+		goto done;
+	}
+
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+	    bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+	*sfp = sr->status_reg;
+	rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+	    sr->field_address.device, sr->field_address.offset,
+	    sizeof(sr->status_reg), sr->field_address.option);
+
+	if (rval) {
+		bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+		    EXT_STATUS_MAILBOX;
+		goto dealloc;
+	}
+
+	bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+	dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+	bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+	bsg_job->reply->result = DID_OK << 16;
+	bsg_job->job_done(bsg_job);
+
+	return 0;
+}
+
+static int
 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
 {
 	switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
@@ -1474,6 +1617,15 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
 	case QL_VND_UPDATE_FLASH:
 		return qla2x00_update_optrom(bsg_job);
 
+	case QL_VND_SET_FRU_VERSION:
+		return qla2x00_update_fru_versions(bsg_job);
+
+	case QL_VND_READ_FRU_STATUS:
+		return qla2x00_read_fru_status(bsg_job);
+
+	case QL_VND_WRITE_FRU_STATUS:
+		return qla2x00_write_fru_status(bsg_job);
+
 	default:
 		bsg_job->reply->result = (DID_ERROR << 16);
 		bsg_job->job_done(bsg_job);
diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h
index 0f0f54e35f06..70caa63a8930 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_bsg.h
@@ -16,6 +16,16 @@
 #define QL_VND_FCP_PRIO_CFG_CMD	0x06
 #define QL_VND_READ_FLASH	0x07
 #define QL_VND_UPDATE_FLASH	0x08
+#define QL_VND_SET_FRU_VERSION	0x0B
+#define QL_VND_READ_FRU_STATUS	0x0C
+#define QL_VND_WRITE_FRU_STATUS	0x0D
+
+/* BSG Vendor specific subcode returns */
+#define EXT_STATUS_OK			0
+#define EXT_STATUS_ERR			1
+#define EXT_STATUS_INVALID_PARAM	6
+#define EXT_STATUS_MAILBOX		11
+#define EXT_STATUS_NO_MEMORY		17
 
 /* BSG definations for interpreting CommandSent field */
 #define INT_DEF_LB_LOOPBACK_CMD         0
@@ -141,4 +151,36 @@ struct qla_port_param {
 	uint16_t mode;
 	uint16_t speed;
 } __attribute__ ((packed));
+
+
+/* FRU VPD */
+
+#define MAX_FRU_SIZE	36
+
+struct qla_field_address {
+	uint16_t offset;
+	uint16_t device;
+	uint16_t option;
+} __packed;
+
+struct qla_field_info {
+	uint8_t version[MAX_FRU_SIZE];
+} __packed;
+
+struct qla_image_version {
+	struct qla_field_address field_address;
+	struct qla_field_info field_info;
+} __packed;
+
+struct qla_image_version_list {
+	uint32_t count;
+	struct qla_image_version version[0];
+} __packed;
+
+struct qla_status_reg {
+	struct qla_field_address field_address;
+	uint8_t status_reg;
+	uint8_t reserved[7];
+} __packed;
+
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index d79cd8a5f831..9df4787715c0 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -12,7 +12,7 @@
  * |             Level            |   Last Value Used  |     Holes	|
  * ----------------------------------------------------------------------
  * | Module Init and Probe        |       0x0116       |  		|
- * | Mailbox commands             |       0x1126       |		|
+ * | Mailbox commands             |       0x1129       |		|
  * | Device Discovery             |       0x2083       |		|
  * | Queue Command and IO tracing |       0x302e       |     0x3008     |
  * | DPC Thread                   |       0x401c       |		|
@@ -22,7 +22,7 @@
  * | Task Management              |       0x8041       |    		|
  * | AER/EEH                      |       0x900f       |		|
  * | Virtual Port                 |       0xa007       |		|
- * | ISP82XX Specific             |       0xb04f       |    		|
+ * | ISP82XX Specific             |       0xb051       |    		|
  * | MultiQ                       |       0xc00b       |		|
  * | Misc                         |       0xd00b       |		|
  * ----------------------------------------------------------------------
@@ -403,7 +403,7 @@ qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
 	return ptr + sizeof(struct qla2xxx_mq_chain);
 }
 
-static void
+void
 qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
 {
 	struct qla_hw_data *ha = vha->hw;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a03eaf40f377..fcf052c50bf5 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2438,7 +2438,8 @@ struct qla_hw_data {
 		uint32_t	quiesce_owner:1;
 		uint32_t	thermal_supported:1;
 		uint32_t	isp82xx_reset_hdlr_active:1;
-		/* 26 bits */
+		uint32_t	isp82xx_reset_owner:1;
+		/* 28 bits */
 	} flags;
 
 	/* This spinlock is used to protect "io transactions", you must
@@ -2822,6 +2823,12 @@ struct qla_hw_data {
 
 	uint8_t fw_type;
 	__le32 file_prd_off;	/* File firmware product offset */
+
+	uint32_t	md_template_size;
+	void		*md_tmplt_hdr;
+	dma_addr_t      md_tmplt_hdr_dma;
+	void            *md_dump;
+	uint32_t	md_dump_size;
 };
 
 /*
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 29b1a3e28231..ce32d8135c9e 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -104,6 +104,8 @@ extern int ql2xenablehba_err_chk;
 extern int ql2xtargetreset;
 extern int ql2xdontresethba;
 extern unsigned int ql2xmaxlun;
+extern int ql2xmdcapmask;
+extern int ql2xmdenable;
 
 extern int qla2x00_loop_reset(scsi_qla_host_t *);
 extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
@@ -407,6 +409,8 @@ extern void qla2x00_beacon_blink(struct scsi_qla_host *);
 extern int qla24xx_beacon_on(struct scsi_qla_host *);
 extern int qla24xx_beacon_off(struct scsi_qla_host *);
 extern void qla24xx_beacon_blink(struct scsi_qla_host *);
+extern int qla82xx_beacon_on(struct scsi_qla_host *);
+extern int qla82xx_beacon_off(struct scsi_qla_host *);
 
 extern uint8_t *qla2x00_read_optrom_data(struct scsi_qla_host *, uint8_t *,
     uint32_t, uint32_t);
@@ -442,6 +446,7 @@ extern void qla2x00_dump_buffer_zipped(uint8_t *, uint32_t);
 extern void ql_dump_regs(uint32_t, scsi_qla_host_t *, int32_t);
 extern void ql_dump_buffer(uint32_t, scsi_qla_host_t *, int32_t,
 	uint8_t *, uint32_t);
+extern void qla2xxx_dump_post_process(scsi_qla_host_t *, int);
 
 /*
  * Global Function Prototypes in qla_gs.c source file.
@@ -569,7 +574,10 @@ extern int qla82xx_mbx_intr_enable(scsi_qla_host_t *);
 extern int qla82xx_mbx_intr_disable(scsi_qla_host_t *);
 extern void qla82xx_start_iocbs(srb_t *);
 extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *);
+extern int qla82xx_check_md_needed(scsi_qla_host_t *);
 extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *);
+extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int);
+extern char *qdev_state(uint32_t);
 
 /* BSG related functions */
 extern int qla24xx_bsg_request(struct fc_bsg_job *);
@@ -579,4 +587,14 @@ extern int qla2x00_issue_iocb_timeout(scsi_qla_host_t *, void *,
 	dma_addr_t, size_t, uint32_t);
 extern int qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t,
 	uint16_t *, uint16_t *);
+
+/* Minidump related functions */
+extern int qla82xx_md_get_template_size(scsi_qla_host_t *);
+extern int qla82xx_md_get_template(scsi_qla_host_t *);
+extern int qla82xx_md_alloc(scsi_qla_host_t *);
+extern void qla82xx_md_free(scsi_qla_host_t *);
+extern int qla82xx_md_collect(scsi_qla_host_t *);
+extern void qla82xx_md_prep(scsi_qla_host_t *);
+extern void qla82xx_set_reset_owner(scsi_qla_host_t *);
+
 #endif /* _QLA_GBL_H */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 37da04d3db26..f03e915f1877 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1480,13 +1480,19 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
 			if (rval == QLA_SUCCESS) {
 enable_82xx_npiv:
 				fw_major_version = ha->fw_major_version;
-				rval = qla2x00_get_fw_version(vha,
-				    &ha->fw_major_version,
-				    &ha->fw_minor_version,
-				    &ha->fw_subminor_version,
-				    &ha->fw_attributes, &ha->fw_memory_size,
-				    ha->mpi_version, &ha->mpi_capabilities,
-				    ha->phy_version);
+				if (IS_QLA82XX(ha))
+					qla82xx_check_md_needed(vha);
+				else {
+					rval = qla2x00_get_fw_version(vha,
+					    &ha->fw_major_version,
+					    &ha->fw_minor_version,
+					    &ha->fw_subminor_version,
+					    &ha->fw_attributes,
+					    &ha->fw_memory_size,
+					    ha->mpi_version,
+					    &ha->mpi_capabilities,
+					    ha->phy_version);
+				}
 				if (rval != QLA_SUCCESS)
 					goto failed;
 				ha->flags.npiv_supported = 0;
@@ -1503,10 +1509,8 @@ enable_82xx_npiv:
 				    &ha->fw_xcb_count, NULL, NULL,
 				    &ha->max_npiv_vports, NULL);
 
-				if (!fw_major_version && ql2xallocfwdump) {
-					if (!IS_QLA82XX(ha))
-						qla2x00_alloc_fw_dump(vha);
-				}
+				if (!fw_major_version && ql2xallocfwdump)
+					qla2x00_alloc_fw_dump(vha);
 			}
 		} else {
 			ql_log(ql_log_fatal, vha, 0x00cd,
@@ -1924,7 +1928,7 @@ qla2x00_fw_ready(scsi_qla_host_t *vha)
 					rval = qla84xx_init_chip(vha);
 					if (rval != QLA_SUCCESS) {
 						ql_log(ql_log_warn,
-						    vha, 0x8043,
+						    vha, 0x8026,
 						    "Init chip failed.\n");
 						break;
 					}
@@ -1933,7 +1937,7 @@ qla2x00_fw_ready(scsi_qla_host_t *vha)
 					cs84xx_time = jiffies - cs84xx_time;
 					wtime += cs84xx_time;
 					mtime += cs84xx_time;
-					ql_dbg(ql_dbg_taskm, vha, 0x8042,
+					ql_dbg(ql_dbg_taskm, vha, 0x8025,
 					    "Increasing wait time by %ld. "
 					    "New time %ld.\n", cs84xx_time,
 					    wtime);
@@ -5443,11 +5447,7 @@ qla82xx_restart_isp(scsi_qla_host_t *vha)
 		clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
 
 		/* Update the firmware version */
-		qla2x00_get_fw_version(vha, &ha->fw_major_version,
-		    &ha->fw_minor_version, &ha->fw_subminor_version,
-		    &ha->fw_attributes, &ha->fw_memory_size,
-		    ha->mpi_version, &ha->mpi_capabilities,
-		    ha->phy_version);
+		status = qla82xx_check_md_needed(vha);
 
 		if (ha->fce) {
 			ha->flags.fce_enabled = 1;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 8a7591f035e6..3474e86e98ab 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2060,6 +2060,11 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
                 case ELS_IOCB_TYPE:
 			qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
 			break;
+		case MARKER_TYPE:
+			/* Do nothing in this case, this check is to prevent it
+			 * from falling into default case
+			 */
+			break;
 		default:
 			/* Type Not Supported. */
 			ql_dbg(ql_dbg_async, vha, 0x5042,
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index f7604ea1af83..3b3cec9f6ac2 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -4186,3 +4186,130 @@ qla82xx_mbx_intr_disable(scsi_qla_host_t *vha)
 
 	return rval;
 }
+
+int
+qla82xx_md_get_template_size(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+	int rval = QLA_FUNCTION_FAILED;
+
+	ql_dbg(ql_dbg_mbx, vha, 0x111f, "Entered %s.\n", __func__);
+
+	memset(mcp->mb, 0 , sizeof(mcp->mb));
+	mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+	mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+	mcp->mb[2] = LSW(RQST_TMPLT_SIZE);
+	mcp->mb[3] = MSW(RQST_TMPLT_SIZE);
+
+	mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->in_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
+	    MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+
+	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
+	mcp->tov = MBX_TOV_SECONDS;
+	rval = qla2x00_mailbox_command(vha, mcp);
+
+	/* Always copy back return mailbox values. */
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_mbx, vha, 0x1120,
+		    "mailbox command FAILED=0x%x, subcode=%x.\n",
+		    (mcp->mb[1] << 16) | mcp->mb[0],
+		    (mcp->mb[3] << 16) | mcp->mb[2]);
+	} else {
+		ql_dbg(ql_dbg_mbx, vha, 0x1121, "Done %s.\n", __func__);
+		ha->md_template_size = ((mcp->mb[3] << 16) | mcp->mb[2]);
+		if (!ha->md_template_size) {
+			ql_dbg(ql_dbg_mbx, vha, 0x1122,
+			    "Null template size obtained.\n");
+			rval = QLA_FUNCTION_FAILED;
+		}
+	}
+	return rval;
+}
+
+int
+qla82xx_md_get_template(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+	int rval = QLA_FUNCTION_FAILED;
+
+	ql_dbg(ql_dbg_mbx, vha, 0x1123, "Entered %s.\n", __func__);
+
+	ha->md_tmplt_hdr = dma_alloc_coherent(&ha->pdev->dev,
+	   ha->md_template_size, &ha->md_tmplt_hdr_dma, GFP_KERNEL);
+	if (!ha->md_tmplt_hdr) {
+		ql_log(ql_log_warn, vha, 0x1124,
+		    "Unable to allocate memory for Minidump template.\n");
+		return rval;
+	}
+
+	memset(mcp->mb, 0 , sizeof(mcp->mb));
+	mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+	mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
+	mcp->mb[2] = LSW(RQST_TMPLT);
+	mcp->mb[3] = MSW(RQST_TMPLT);
+	mcp->mb[4] = LSW(LSD(ha->md_tmplt_hdr_dma));
+	mcp->mb[5] = MSW(LSD(ha->md_tmplt_hdr_dma));
+	mcp->mb[6] = LSW(MSD(ha->md_tmplt_hdr_dma));
+	mcp->mb[7] = MSW(MSD(ha->md_tmplt_hdr_dma));
+	mcp->mb[8] = LSW(ha->md_template_size);
+	mcp->mb[9] = MSW(ha->md_template_size);
+
+	mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD;
+	mcp->tov = MBX_TOV_SECONDS;
+	mcp->out_mb = MBX_11|MBX_10|MBX_9|MBX_8|
+	    MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+	mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
+	rval = qla2x00_mailbox_command(vha, mcp);
+
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_mbx, vha, 0x1125,
+		    "mailbox command FAILED=0x%x, subcode=%x.\n",
+		    ((mcp->mb[1] << 16) | mcp->mb[0]),
+		    ((mcp->mb[3] << 16) | mcp->mb[2]));
+	} else
+		ql_dbg(ql_dbg_mbx, vha, 0x1126, "Done %s.\n", __func__);
+	return rval;
+}
+
+int
+qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable)
+{
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	mbx_cmd_t mc;
+	mbx_cmd_t *mcp = &mc;
+
+	if (!IS_QLA82XX(ha))
+		return QLA_FUNCTION_FAILED;
+
+	ql_dbg(ql_dbg_mbx, vha, 0x1127,
+		"Entered %s.\n", __func__);
+
+	memset(mcp, 0, sizeof(mbx_cmd_t));
+	mcp->mb[0] = MBC_SET_LED_CONFIG;
+	if (enable)
+		mcp->mb[7] = 0xE;
+	else
+		mcp->mb[7] = 0xD;
+
+	mcp->out_mb = MBX_7|MBX_0;
+	mcp->in_mb = MBX_0;
+	mcp->tov = 30;
+	mcp->flags = 0;
+
+	rval = qla2x00_mailbox_command(vha, mcp);
+	if (rval != QLA_SUCCESS) {
+		ql_dbg(ql_dbg_mbx, vha, 0x1128,
+		    "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
+	} else {
+		ql_dbg(ql_dbg_mbx, vha, 0x1129,
+		    "Done %s.\n", __func__);
+	}
+
+	return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 049807cda419..94bded5ddce4 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -7,6 +7,8 @@
 #include "qla_def.h"
 #include <linux/delay.h>
 #include <linux/pci.h>
+#include <linux/ratelimit.h>
+#include <linux/vmalloc.h>
 #include <scsi/scsi_tcq.h>
 
 #define MASK(n)			((1ULL<<(n))-1)
@@ -328,7 +330,7 @@ unsigned qla82xx_crb_hub_agt[64] = {
 };
 
 /* Device states */
-char *qdev_state[] = {
+char *q_dev_state[] = {
 	 "Unknown",
 	"Cold",
 	"Initializing",
@@ -339,6 +341,11 @@ char *qdev_state[] = {
 	"Quiescent",
 };
 
+char *qdev_state(uint32_t dev_state)
+{
+	return q_dev_state[dev_state];
+}
+
 /*
  * In: 'off' is offset from CRB space in 128M pci map
  * Out: 'off' is 2M pci map addr
@@ -2355,9 +2362,13 @@ qla82xx_need_reset(struct qla_hw_data *ha)
 	uint32_t drv_state;
 	int rval;
 
-	drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
-	rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
-	return rval;
+	if (ha->flags.isp82xx_reset_owner)
+		return 1;
+	else {
+		drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+		rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
+		return rval;
+	}
 }
 
 static inline void
@@ -2374,8 +2385,8 @@ qla82xx_set_rst_ready(struct qla_hw_data *ha)
 		drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
 	}
 	drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
-	ql_log(ql_log_info, vha, 0x00bb,
-	    "drv_state = 0x%x.\n", drv_state);
+	ql_dbg(ql_dbg_init, vha, 0x00bb,
+	    "drv_state = 0x%08x.\n", drv_state);
 	qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
 }
 
@@ -2598,7 +2609,7 @@ qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
 			dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
 			*dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
 			*dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
-			*dsd_seg++ = cpu_to_le32(dsd_list_len);
+			cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len);
 		} else {
 			*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
 			*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
@@ -3529,6 +3540,7 @@ static void
 qla82xx_need_reset_handler(scsi_qla_host_t *vha)
 {
 	uint32_t dev_state, drv_state, drv_active;
+	uint32_t active_mask = 0;
 	unsigned long reset_timeout;
 	struct qla_hw_data *ha = vha->hw;
 	struct req_que *req = ha->req_q_map[0];
@@ -3541,15 +3553,32 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha)
 		qla82xx_idc_lock(ha);
 	}
 
-	qla82xx_set_rst_ready(ha);
+	drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+	if (!ha->flags.isp82xx_reset_owner) {
+		ql_dbg(ql_dbg_p3p, vha, 0xb028,
+		    "reset_acknowledged by 0x%x\n", ha->portnum);
+		qla82xx_set_rst_ready(ha);
+	} else {
+		active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
+		drv_active &= active_mask;
+		ql_dbg(ql_dbg_p3p, vha, 0xb029,
+		    "active_mask: 0x%08x\n", active_mask);
+	}
 
 	/* wait for 10 seconds for reset ack from all functions */
 	reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
 
 	drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
 	drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
 
-	while (drv_state != drv_active) {
+	ql_dbg(ql_dbg_p3p, vha, 0xb02a,
+	    "drv_state: 0x%08x, drv_active: 0x%08x, "
+	    "dev_state: 0x%08x, active_mask: 0x%08x\n",
+	    drv_state, drv_active, dev_state, active_mask);
+
+	while (drv_state != drv_active &&
+	    dev_state != QLA82XX_DEV_INITIALIZING) {
 		if (time_after_eq(jiffies, reset_timeout)) {
 			ql_log(ql_log_warn, vha, 0x00b5,
 			    "Reset timeout.\n");
@@ -3560,23 +3589,87 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha)
 		qla82xx_idc_lock(ha);
 		drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+		if (ha->flags.isp82xx_reset_owner)
+			drv_active &= active_mask;
+		dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
 	}
 
-	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+	ql_dbg(ql_dbg_p3p, vha, 0xb02b,
+	    "drv_state: 0x%08x, drv_active: 0x%08x, "
+	    "dev_state: 0x%08x, active_mask: 0x%08x\n",
+	    drv_state, drv_active, dev_state, active_mask);
+
 	ql_log(ql_log_info, vha, 0x00b6,
 	    "Device state is 0x%x = %s.\n",
 	    dev_state,
-	    dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+	    dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
 
 	/* Force to DEV_COLD unless someone else is starting a reset */
-	if (dev_state != QLA82XX_DEV_INITIALIZING) {
+	if (dev_state != QLA82XX_DEV_INITIALIZING &&
+	    dev_state != QLA82XX_DEV_COLD) {
 		ql_log(ql_log_info, vha, 0x00b7,
 		    "HW State: COLD/RE-INIT.\n");
 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
+		if (ql2xmdenable) {
+			if (qla82xx_md_collect(vha))
+				ql_log(ql_log_warn, vha, 0xb02c,
+				    "Not able to collect minidump.\n");
+		} else
+			ql_log(ql_log_warn, vha, 0xb04f,
+			    "Minidump disabled.\n");
 	}
 }
 
 int
+qla82xx_check_md_needed(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
+	int rval = QLA_SUCCESS;
+
+	fw_major_version = ha->fw_major_version;
+	fw_minor_version = ha->fw_minor_version;
+	fw_subminor_version = ha->fw_subminor_version;
+
+	rval = qla2x00_get_fw_version(vha, &ha->fw_major_version,
+	    &ha->fw_minor_version, &ha->fw_subminor_version,
+	    &ha->fw_attributes, &ha->fw_memory_size,
+	    ha->mpi_version, &ha->mpi_capabilities,
+	    ha->phy_version);
+
+	if (rval != QLA_SUCCESS)
+		return rval;
+
+	if (ql2xmdenable) {
+		if (!ha->fw_dumped) {
+			if (fw_major_version != ha->fw_major_version ||
+			    fw_minor_version != ha->fw_minor_version ||
+			    fw_subminor_version != ha->fw_subminor_version) {
+
+				ql_log(ql_log_info, vha, 0xb02d,
+				    "Firmware version differs "
+				    "Previous version: %d:%d:%d - "
+				    "New version: %d:%d:%d\n",
+				    ha->fw_major_version,
+				    ha->fw_minor_version,
+				    ha->fw_subminor_version,
+				    fw_major_version, fw_minor_version,
+				    fw_subminor_version);
+				/* Release MiniDump resources */
+				qla82xx_md_free(vha);
+				/* ALlocate MiniDump resources */
+				qla82xx_md_prep(vha);
+			} else
+				ql_log(ql_log_info, vha, 0xb02e,
+				    "Firmware dump available to retrieve\n",
+				    vha->host_no);
+		}
+	}
+	return rval;
+}
+
+
+int
 qla82xx_check_fw_alive(scsi_qla_host_t *vha)
 {
 	uint32_t fw_heartbeat_counter;
@@ -3637,7 +3730,7 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
 	ql_log(ql_log_info, vha, 0x009b,
 	    "Device state is 0x%x = %s.\n",
 	    dev_state,
-	    dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown");
+	    dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
 
 	/* wait for 30 seconds for device to go ready */
 	dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
@@ -3659,26 +3752,33 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha)
 			ql_log(ql_log_info, vha, 0x009d,
 			    "Device state is 0x%x = %s.\n",
 			    dev_state,
-			    dev_state < MAX_STATES ? qdev_state[dev_state] :
+			    dev_state < MAX_STATES ? qdev_state(dev_state) :
 			    "Unknown");
 		}
 
 		switch (dev_state) {
 		case QLA82XX_DEV_READY:
+			qla82xx_check_md_needed(vha);
+			ha->flags.isp82xx_reset_owner = 0;
 			goto exit;
 		case QLA82XX_DEV_COLD:
 			rval = qla82xx_device_bootstrap(vha);
-			goto exit;
+			break;
 		case QLA82XX_DEV_INITIALIZING:
 			qla82xx_idc_unlock(ha);
 			msleep(1000);
 			qla82xx_idc_lock(ha);
 			break;
 		case QLA82XX_DEV_NEED_RESET:
-		    if (!ql2xdontresethba)
-			qla82xx_need_reset_handler(vha);
+			if (!ql2xdontresethba)
+				qla82xx_need_reset_handler(vha);
+			else {
+				qla82xx_idc_unlock(ha);
+				msleep(1000);
+				qla82xx_idc_lock(ha);
+			}
 			dev_init_timeout = jiffies +
-				(ha->nx_dev_init_timeout * HZ);
+			    (ha->nx_dev_init_timeout * HZ);
 			break;
 		case QLA82XX_DEV_NEED_QUIESCENT:
 			qla82xx_need_qsnt_handler(vha);
@@ -3791,6 +3891,28 @@ int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
 	return rval;
 }
 
+void
+qla82xx_set_reset_owner(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t dev_state;
+
+	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+	if (dev_state == QLA82XX_DEV_READY) {
+		ql_log(ql_log_info, vha, 0xb02f,
+		    "HW State: NEED RESET\n");
+		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+			QLA82XX_DEV_NEED_RESET);
+		ha->flags.isp82xx_reset_owner = 1;
+		ql_dbg(ql_dbg_p3p, vha, 0xb030,
+		    "reset_owner is 0x%x\n", ha->portnum);
+	} else
+		ql_log(ql_log_info, vha, 0xb031,
+		    "Device state is 0x%x = %s.\n",
+		    dev_state,
+		    dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
+}
+
 /*
  *  qla82xx_abort_isp
  *      Resets ISP and aborts all outstanding commands.
@@ -3806,7 +3928,6 @@ qla82xx_abort_isp(scsi_qla_host_t *vha)
 {
 	int rval;
 	struct qla_hw_data *ha = vha->hw;
-	uint32_t dev_state;
 
 	if (vha->device_flags & DFLG_DEV_FAILED) {
 		ql_log(ql_log_warn, vha, 0x8024,
@@ -3816,16 +3937,7 @@ qla82xx_abort_isp(scsi_qla_host_t *vha)
 	ha->flags.isp82xx_reset_hdlr_active = 1;
 
 	qla82xx_idc_lock(ha);
-	dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
-	if (dev_state == QLA82XX_DEV_READY) {
-		ql_log(ql_log_info, vha, 0x8025,
-		    "HW State: NEED RESET.\n");
-		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
-			QLA82XX_DEV_NEED_RESET);
-	} else
-		ql_log(ql_log_info, vha, 0x8026,
-		    "Hw State: %s.\n", dev_state < MAX_STATES ?
-		    qdev_state[dev_state] : "Unknown");
+	qla82xx_set_reset_owner(vha);
 	qla82xx_idc_unlock(ha);
 
 	rval = qla82xx_device_state_handler(vha);
@@ -4016,3 +4128,803 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
 		}
 	}
 }
+
+/* Minidump related functions */
+int
+qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
+{
+	uint32_t  off_value, rval = 0;
+
+	WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase),
+	    (off & 0xFFFF0000));
+
+	/* Read back value to make sure write has gone through */
+	RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
+	off_value  = (off & 0x0000FFFF);
+
+	if (flag)
+		WRT_REG_DWORD((void *)
+		    (off_value + CRB_INDIRECT_2M + ha->nx_pcibase),
+		    data);
+	else
+		rval = RD_REG_DWORD((void *)
+		    (off_value + CRB_INDIRECT_2M + ha->nx_pcibase));
+
+	return rval;
+}
+
+static int
+qla82xx_minidump_process_control(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	struct qla82xx_md_entry_crb *crb_entry;
+	uint32_t read_value, opcode, poll_time;
+	uint32_t addr, index, crb_addr;
+	unsigned long wtime;
+	struct qla82xx_md_template_hdr *tmplt_hdr;
+	uint32_t rval = QLA_SUCCESS;
+	int i;
+
+	tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
+	crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr;
+	crb_addr = crb_entry->addr;
+
+	for (i = 0; i < crb_entry->op_count; i++) {
+		opcode = crb_entry->crb_ctrl.opcode;
+		if (opcode & QLA82XX_DBG_OPCODE_WR) {
+			qla82xx_md_rw_32(ha, crb_addr,
+			    crb_entry->value_1, 1);
+			opcode &= ~QLA82XX_DBG_OPCODE_WR;
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_RW) {
+			read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
+			qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
+			opcode &= ~QLA82XX_DBG_OPCODE_RW;
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_AND) {
+			read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
+			read_value &= crb_entry->value_2;
+			opcode &= ~QLA82XX_DBG_OPCODE_AND;
+			if (opcode & QLA82XX_DBG_OPCODE_OR) {
+				read_value |= crb_entry->value_3;
+				opcode &= ~QLA82XX_DBG_OPCODE_OR;
+			}
+			qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_OR) {
+			read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
+			read_value |= crb_entry->value_3;
+			qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
+			opcode &= ~QLA82XX_DBG_OPCODE_OR;
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_POLL) {
+			poll_time = crb_entry->crb_strd.poll_timeout;
+			wtime = jiffies + poll_time;
+			read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
+
+			do {
+				if ((read_value & crb_entry->value_2)
+				    == crb_entry->value_1)
+					break;
+				else if (time_after_eq(jiffies, wtime)) {
+					/* capturing dump failed */
+					rval = QLA_FUNCTION_FAILED;
+					break;
+				} else
+					read_value = qla82xx_md_rw_32(ha,
+					    crb_addr, 0, 0);
+			} while (1);
+			opcode &= ~QLA82XX_DBG_OPCODE_POLL;
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
+			if (crb_entry->crb_strd.state_index_a) {
+				index = crb_entry->crb_strd.state_index_a;
+				addr = tmplt_hdr->saved_state_array[index];
+			} else
+				addr = crb_addr;
+
+			read_value = qla82xx_md_rw_32(ha, addr, 0, 0);
+			index = crb_entry->crb_ctrl.state_index_v;
+			tmplt_hdr->saved_state_array[index] = read_value;
+			opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
+			if (crb_entry->crb_strd.state_index_a) {
+				index = crb_entry->crb_strd.state_index_a;
+				addr = tmplt_hdr->saved_state_array[index];
+			} else
+				addr = crb_addr;
+
+			if (crb_entry->crb_ctrl.state_index_v) {
+				index = crb_entry->crb_ctrl.state_index_v;
+				read_value =
+				    tmplt_hdr->saved_state_array[index];
+			} else
+				read_value = crb_entry->value_1;
+
+			qla82xx_md_rw_32(ha, addr, read_value, 1);
+			opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
+		}
+
+		if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
+			index = crb_entry->crb_ctrl.state_index_v;
+			read_value = tmplt_hdr->saved_state_array[index];
+			read_value <<= crb_entry->crb_ctrl.shl;
+			read_value >>= crb_entry->crb_ctrl.shr;
+			if (crb_entry->value_2)
+				read_value &= crb_entry->value_2;
+			read_value |= crb_entry->value_3;
+			read_value += crb_entry->value_1;
+			tmplt_hdr->saved_state_array[index] = read_value;
+			opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
+		}
+		crb_addr += crb_entry->crb_strd.addr_stride;
+	}
+	return rval;
+}
+
+static void
+qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t r_addr, r_stride, loop_cnt, i, r_value;
+	struct qla82xx_md_entry_rdocm *ocm_hdr;
+	uint32_t *data_ptr = *d_ptr;
+
+	ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
+	r_addr = ocm_hdr->read_addr;
+	r_stride = ocm_hdr->read_addr_stride;
+	loop_cnt = ocm_hdr->op_count;
+
+	for (i = 0; i < loop_cnt; i++) {
+		r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase));
+		*data_ptr++ = cpu_to_le32(r_value);
+		r_addr += r_stride;
+	}
+	*d_ptr = data_ptr;
+}
+
+static void
+qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
+	struct qla82xx_md_entry_mux *mux_hdr;
+	uint32_t *data_ptr = *d_ptr;
+
+	mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr;
+	r_addr = mux_hdr->read_addr;
+	s_addr = mux_hdr->select_addr;
+	s_stride = mux_hdr->select_value_stride;
+	s_value = mux_hdr->select_value;
+	loop_cnt = mux_hdr->op_count;
+
+	for (i = 0; i < loop_cnt; i++) {
+		qla82xx_md_rw_32(ha, s_addr, s_value, 1);
+		r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
+		*data_ptr++ = cpu_to_le32(s_value);
+		*data_ptr++ = cpu_to_le32(r_value);
+		s_value += s_stride;
+	}
+	*d_ptr = data_ptr;
+}
+
+static void
+qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t r_addr, r_stride, loop_cnt, i, r_value;
+	struct qla82xx_md_entry_crb *crb_hdr;
+	uint32_t *data_ptr = *d_ptr;
+
+	crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr;
+	r_addr = crb_hdr->addr;
+	r_stride = crb_hdr->crb_strd.addr_stride;
+	loop_cnt = crb_hdr->op_count;
+
+	for (i = 0; i < loop_cnt; i++) {
+		r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
+		*data_ptr++ = cpu_to_le32(r_addr);
+		*data_ptr++ = cpu_to_le32(r_value);
+		r_addr += r_stride;
+	}
+	*d_ptr = data_ptr;
+}
+
+static int
+qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t addr, r_addr, c_addr, t_r_addr;
+	uint32_t i, k, loop_count, t_value, r_cnt, r_value;
+	unsigned long p_wait, w_time, p_mask;
+	uint32_t c_value_w, c_value_r;
+	struct qla82xx_md_entry_cache *cache_hdr;
+	int rval = QLA_FUNCTION_FAILED;
+	uint32_t *data_ptr = *d_ptr;
+
+	cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
+	loop_count = cache_hdr->op_count;
+	r_addr = cache_hdr->read_addr;
+	c_addr = cache_hdr->control_addr;
+	c_value_w = cache_hdr->cache_ctrl.write_value;
+
+	t_r_addr = cache_hdr->tag_reg_addr;
+	t_value = cache_hdr->addr_ctrl.init_tag_value;
+	r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
+	p_wait = cache_hdr->cache_ctrl.poll_wait;
+	p_mask = cache_hdr->cache_ctrl.poll_mask;
+
+	for (i = 0; i < loop_count; i++) {
+		qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
+		if (c_value_w)
+			qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
+
+		if (p_mask) {
+			w_time = jiffies + p_wait;
+			do {
+				c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0);
+				if ((c_value_r & p_mask) == 0)
+					break;
+				else if (time_after_eq(jiffies, w_time)) {
+					/* capturing dump failed */
+					ql_dbg(ql_dbg_p3p, vha, 0xb032,
+					    "c_value_r: 0x%x, poll_mask: 0x%lx, "
+					    "w_time: 0x%lx\n",
+					    c_value_r, p_mask, w_time);
+					return rval;
+				}
+			} while (1);
+		}
+
+		addr = r_addr;
+		for (k = 0; k < r_cnt; k++) {
+			r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
+			*data_ptr++ = cpu_to_le32(r_value);
+			addr += cache_hdr->read_ctrl.read_addr_stride;
+		}
+		t_value += cache_hdr->addr_ctrl.tag_value_stride;
+	}
+	*d_ptr = data_ptr;
+	return QLA_SUCCESS;
+}
+
+static void
+qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t addr, r_addr, c_addr, t_r_addr;
+	uint32_t i, k, loop_count, t_value, r_cnt, r_value;
+	uint32_t c_value_w;
+	struct qla82xx_md_entry_cache *cache_hdr;
+	uint32_t *data_ptr = *d_ptr;
+
+	cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
+	loop_count = cache_hdr->op_count;
+	r_addr = cache_hdr->read_addr;
+	c_addr = cache_hdr->control_addr;
+	c_value_w = cache_hdr->cache_ctrl.write_value;
+
+	t_r_addr = cache_hdr->tag_reg_addr;
+	t_value = cache_hdr->addr_ctrl.init_tag_value;
+	r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
+
+	for (i = 0; i < loop_count; i++) {
+		qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
+		qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
+		addr = r_addr;
+		for (k = 0; k < r_cnt; k++) {
+			r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
+			*data_ptr++ = cpu_to_le32(r_value);
+			addr += cache_hdr->read_ctrl.read_addr_stride;
+		}
+		t_value += cache_hdr->addr_ctrl.tag_value_stride;
+	}
+	*d_ptr = data_ptr;
+}
+
+static void
+qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t s_addr, r_addr;
+	uint32_t r_stride, r_value, r_cnt, qid = 0;
+	uint32_t i, k, loop_cnt;
+	struct qla82xx_md_entry_queue *q_hdr;
+	uint32_t *data_ptr = *d_ptr;
+
+	q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr;
+	s_addr = q_hdr->select_addr;
+	r_cnt = q_hdr->rd_strd.read_addr_cnt;
+	r_stride = q_hdr->rd_strd.read_addr_stride;
+	loop_cnt = q_hdr->op_count;
+
+	for (i = 0; i < loop_cnt; i++) {
+		qla82xx_md_rw_32(ha, s_addr, qid, 1);
+		r_addr = q_hdr->read_addr;
+		for (k = 0; k < r_cnt; k++) {
+			r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
+			*data_ptr++ = cpu_to_le32(r_value);
+			r_addr += r_stride;
+		}
+		qid += q_hdr->q_strd.queue_id_stride;
+	}
+	*d_ptr = data_ptr;
+}
+
+static void
+qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t r_addr, r_value;
+	uint32_t i, loop_cnt;
+	struct qla82xx_md_entry_rdrom *rom_hdr;
+	uint32_t *data_ptr = *d_ptr;
+
+	rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
+	r_addr = rom_hdr->read_addr;
+	loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
+
+	for (i = 0; i < loop_cnt; i++) {
+		qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
+		    (r_addr & 0xFFFF0000), 1);
+		r_value = qla82xx_md_rw_32(ha,
+		    MD_DIRECT_ROM_READ_BASE +
+		    (r_addr & 0x0000FFFF), 0, 0);
+		*data_ptr++ = cpu_to_le32(r_value);
+		r_addr += sizeof(uint32_t);
+	}
+	*d_ptr = data_ptr;
+}
+
+static int
+qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint32_t r_addr, r_value, r_data;
+	uint32_t i, j, loop_cnt;
+	struct qla82xx_md_entry_rdmem *m_hdr;
+	unsigned long flags;
+	int rval = QLA_FUNCTION_FAILED;
+	uint32_t *data_ptr = *d_ptr;
+
+	m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
+	r_addr = m_hdr->read_addr;
+	loop_cnt = m_hdr->read_data_size/16;
+
+	if (r_addr & 0xf) {
+		ql_log(ql_log_warn, vha, 0xb033,
+		    "Read addr 0x%x not 16 bytes alligned\n", r_addr);
+		return rval;
+	}
+
+	if (m_hdr->read_data_size % 16) {
+		ql_log(ql_log_warn, vha, 0xb034,
+		    "Read data[0x%x] not multiple of 16 bytes\n",
+		    m_hdr->read_data_size);
+		return rval;
+	}
+
+	ql_dbg(ql_dbg_p3p, vha, 0xb035,
+	    "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
+	    __func__, r_addr, m_hdr->read_data_size, loop_cnt);
+
+	write_lock_irqsave(&ha->hw_lock, flags);
+	for (i = 0; i < loop_cnt; i++) {
+		qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
+		r_value = 0;
+		qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
+		r_value = MIU_TA_CTL_ENABLE;
+		qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
+		r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+		qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
+
+		for (j = 0; j < MAX_CTL_CHECK; j++) {
+			r_value = qla82xx_md_rw_32(ha,
+			    MD_MIU_TEST_AGT_CTRL, 0, 0);
+			if ((r_value & MIU_TA_CTL_BUSY) == 0)
+				break;
+		}
+
+		if (j >= MAX_CTL_CHECK) {
+			printk_ratelimited(KERN_ERR
+			    "failed to read through agent\n");
+			write_unlock_irqrestore(&ha->hw_lock, flags);
+			return rval;
+		}
+
+		for (j = 0; j < 4; j++) {
+			r_data = qla82xx_md_rw_32(ha,
+			    MD_MIU_TEST_AGT_RDDATA[j], 0, 0);
+			*data_ptr++ = cpu_to_le32(r_data);
+		}
+		r_addr += 16;
+	}
+	write_unlock_irqrestore(&ha->hw_lock, flags);
+	*d_ptr = data_ptr;
+	return QLA_SUCCESS;
+}
+
+static int
+qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	uint64_t chksum = 0;
+	uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
+	int count = ha->md_template_size/sizeof(uint32_t);
+
+	while (count-- > 0)
+		chksum += *d_ptr++;
+	while (chksum >> 32)
+		chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
+	return ~chksum;
+}
+
+static void
+qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
+	qla82xx_md_entry_hdr_t *entry_hdr, int index)
+{
+	entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
+	ql_dbg(ql_dbg_p3p, vha, 0xb036,
+	    "Skipping entry[%d]: "
+	    "ETYPE[0x%x]-ELEVEL[0x%x]\n",
+	    index, entry_hdr->entry_type,
+	    entry_hdr->d_ctrl.entry_capture_mask);
+}
+
+int
+qla82xx_md_collect(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	int no_entry_hdr = 0;
+	qla82xx_md_entry_hdr_t *entry_hdr;
+	struct qla82xx_md_template_hdr *tmplt_hdr;
+	uint32_t *data_ptr;
+	uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
+	int i = 0, rval = QLA_FUNCTION_FAILED;
+
+	tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
+	data_ptr = (uint32_t *)ha->md_dump;
+
+	if (ha->fw_dumped) {
+		ql_log(ql_log_info, vha, 0xb037,
+		    "Firmware dump available to retrive\n");
+		goto md_failed;
+	}
+
+	ha->fw_dumped = 0;
+
+	if (!ha->md_tmplt_hdr || !ha->md_dump) {
+		ql_log(ql_log_warn, vha, 0xb038,
+		    "Memory not allocated for minidump capture\n");
+		goto md_failed;
+	}
+
+	if (qla82xx_validate_template_chksum(vha)) {
+		ql_log(ql_log_info, vha, 0xb039,
+		    "Template checksum validation error\n");
+		goto md_failed;
+	}
+
+	no_entry_hdr = tmplt_hdr->num_of_entries;
+	ql_dbg(ql_dbg_p3p, vha, 0xb03a,
+	    "No of entry headers in Template: 0x%x\n", no_entry_hdr);
+
+	ql_dbg(ql_dbg_p3p, vha, 0xb03b,
+	    "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
+
+	f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
+
+	/* Validate whether required debug level is set */
+	if ((f_capture_mask & 0x3) != 0x3) {
+		ql_log(ql_log_warn, vha, 0xb03c,
+		    "Minimum required capture mask[0x%x] level not set\n",
+		    f_capture_mask);
+		goto md_failed;
+	}
+	tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
+
+	tmplt_hdr->driver_info[0] = vha->host_no;
+	tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
+	    (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
+	    QLA_DRIVER_BETA_VER;
+
+	total_data_size = ha->md_dump_size;
+
+	ql_dbg(ql_log_info, vha, 0xb03d,
+	    "Total minidump data_size 0x%x to be captured\n", total_data_size);
+
+	/* Check whether template obtained is valid */
+	if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
+		ql_log(ql_log_warn, vha, 0xb04e,
+		    "Bad template header entry type: 0x%x obtained\n",
+		    tmplt_hdr->entry_type);
+		goto md_failed;
+	}
+
+	entry_hdr = (qla82xx_md_entry_hdr_t *) \
+	    (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
+
+	/* Walk through the entry headers */
+	for (i = 0; i < no_entry_hdr; i++) {
+
+		if (data_collected > total_data_size) {
+			ql_log(ql_log_warn, vha, 0xb03e,
+			    "More MiniDump data collected: [0x%x]\n",
+			    data_collected);
+			goto md_failed;
+		}
+
+		if (!(entry_hdr->d_ctrl.entry_capture_mask &
+		    ql2xmdcapmask)) {
+			entry_hdr->d_ctrl.driver_flags |=
+			    QLA82XX_DBG_SKIPPED_FLAG;
+			ql_dbg(ql_dbg_p3p, vha, 0xb03f,
+			    "Skipping entry[%d]: "
+			    "ETYPE[0x%x]-ELEVEL[0x%x]\n",
+			    i, entry_hdr->entry_type,
+			    entry_hdr->d_ctrl.entry_capture_mask);
+			goto skip_nxt_entry;
+		}
+
+		ql_dbg(ql_dbg_p3p, vha, 0xb040,
+		    "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
+		    "entry_type: 0x%x, captrue_mask: 0x%x\n",
+		    __func__, i, data_ptr, entry_hdr,
+		    entry_hdr->entry_type,
+		    entry_hdr->d_ctrl.entry_capture_mask);
+
+		ql_dbg(ql_dbg_p3p, vha, 0xb041,
+		    "Data collected: [0x%x], Dump size left:[0x%x]\n",
+		    data_collected, (ha->md_dump_size - data_collected));
+
+		/* Decode the entry type and take
+		 * required action to capture debug data */
+		switch (entry_hdr->entry_type) {
+		case QLA82XX_RDEND:
+			qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+			break;
+		case QLA82XX_CNTRL:
+			rval = qla82xx_minidump_process_control(vha,
+			    entry_hdr, &data_ptr);
+			if (rval != QLA_SUCCESS) {
+				qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+				goto md_failed;
+			}
+			break;
+		case QLA82XX_RDCRB:
+			qla82xx_minidump_process_rdcrb(vha,
+			    entry_hdr, &data_ptr);
+			break;
+		case QLA82XX_RDMEM:
+			rval = qla82xx_minidump_process_rdmem(vha,
+			    entry_hdr, &data_ptr);
+			if (rval != QLA_SUCCESS) {
+				qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+				goto md_failed;
+			}
+			break;
+		case QLA82XX_BOARD:
+		case QLA82XX_RDROM:
+			qla82xx_minidump_process_rdrom(vha,
+			    entry_hdr, &data_ptr);
+			break;
+		case QLA82XX_L2DTG:
+		case QLA82XX_L2ITG:
+		case QLA82XX_L2DAT:
+		case QLA82XX_L2INS:
+			rval = qla82xx_minidump_process_l2tag(vha,
+			    entry_hdr, &data_ptr);
+			if (rval != QLA_SUCCESS) {
+				qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+				goto md_failed;
+			}
+			break;
+		case QLA82XX_L1DAT:
+		case QLA82XX_L1INS:
+			qla82xx_minidump_process_l1cache(vha,
+			    entry_hdr, &data_ptr);
+			break;
+		case QLA82XX_RDOCM:
+			qla82xx_minidump_process_rdocm(vha,
+			    entry_hdr, &data_ptr);
+			break;
+		case QLA82XX_RDMUX:
+			qla82xx_minidump_process_rdmux(vha,
+			    entry_hdr, &data_ptr);
+			break;
+		case QLA82XX_QUEUE:
+			qla82xx_minidump_process_queue(vha,
+			    entry_hdr, &data_ptr);
+			break;
+		case QLA82XX_RDNOP:
+		default:
+			qla82xx_mark_entry_skipped(vha, entry_hdr, i);
+			break;
+		}
+
+		ql_dbg(ql_dbg_p3p, vha, 0xb042,
+		    "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
+
+		data_collected = (uint8_t *)data_ptr -
+		    (uint8_t *)ha->md_dump;
+skip_nxt_entry:
+		entry_hdr = (qla82xx_md_entry_hdr_t *) \
+		    (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
+	}
+
+	if (data_collected != total_data_size) {
+		ql_dbg(ql_log_warn, vha, 0xb043,
+		    "MiniDump data mismatch: Data collected: [0x%x],"
+		    "total_data_size:[0x%x]\n",
+		    data_collected, total_data_size);
+		goto md_failed;
+	}
+
+	ql_log(ql_log_info, vha, 0xb044,
+	    "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
+	    vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
+	ha->fw_dumped = 1;
+	qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
+
+md_failed:
+	return rval;
+}
+
+int
+qla82xx_md_alloc(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	int i, k;
+	struct qla82xx_md_template_hdr *tmplt_hdr;
+
+	tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
+
+	if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
+		ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
+		ql_log(ql_log_info, vha, 0xb045,
+		    "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
+		    ql2xmdcapmask);
+	}
+
+	for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
+		if (i & ql2xmdcapmask)
+			ha->md_dump_size += tmplt_hdr->capture_size_array[k];
+	}
+
+	if (ha->md_dump) {
+		ql_log(ql_log_warn, vha, 0xb046,
+		    "Firmware dump previously allocated.\n");
+		return 1;
+	}
+
+	ha->md_dump = vmalloc(ha->md_dump_size);
+	if (ha->md_dump == NULL) {
+		ql_log(ql_log_warn, vha, 0xb047,
+		    "Unable to allocate memory for Minidump size "
+		    "(0x%x).\n", ha->md_dump_size);
+		return 1;
+	}
+	return 0;
+}
+
+void
+qla82xx_md_free(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+
+	/* Release the template header allocated */
+	if (ha->md_tmplt_hdr) {
+		ql_log(ql_log_info, vha, 0xb048,
+		    "Free MiniDump template: %p, size (%d KB)\n",
+		    ha->md_tmplt_hdr, ha->md_template_size / 1024);
+		dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
+		    ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
+		ha->md_tmplt_hdr = 0;
+	}
+
+	/* Release the template data buffer allocated */
+	if (ha->md_dump) {
+		ql_log(ql_log_info, vha, 0xb049,
+		    "Free MiniDump memory: %p, size (%d KB)\n",
+		    ha->md_dump, ha->md_dump_size / 1024);
+		vfree(ha->md_dump);
+		ha->md_dump_size = 0;
+		ha->md_dump = 0;
+	}
+}
+
+void
+qla82xx_md_prep(scsi_qla_host_t *vha)
+{
+	struct qla_hw_data *ha = vha->hw;
+	int rval;
+
+	/* Get Minidump template size */
+	rval = qla82xx_md_get_template_size(vha);
+	if (rval == QLA_SUCCESS) {
+		ql_log(ql_log_info, vha, 0xb04a,
+		    "MiniDump Template size obtained (%d KB)\n",
+		    ha->md_template_size / 1024);
+
+		/* Get Minidump template */
+		rval = qla82xx_md_get_template(vha);
+		if (rval == QLA_SUCCESS) {
+			ql_dbg(ql_dbg_p3p, vha, 0xb04b,
+			    "MiniDump Template obtained\n");
+
+			/* Allocate memory for minidump */
+			rval = qla82xx_md_alloc(vha);
+			if (rval == QLA_SUCCESS)
+				ql_log(ql_log_info, vha, 0xb04c,
+				    "MiniDump memory allocated (%d KB)\n",
+				    ha->md_dump_size / 1024);
+			else {
+				ql_log(ql_log_info, vha, 0xb04d,
+				    "Free MiniDump template: %p, size: (%d KB)\n",
+				    ha->md_tmplt_hdr,
+				    ha->md_template_size / 1024);
+				dma_free_coherent(&ha->pdev->dev,
+				    ha->md_template_size,
+				    ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
+				ha->md_tmplt_hdr = 0;
+			}
+
+		}
+	}
+}
+
+int
+qla82xx_beacon_on(struct scsi_qla_host *vha)
+{
+
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	qla82xx_idc_lock(ha);
+	rval = qla82xx_mbx_beacon_ctl(vha, 1);
+
+	if (rval) {
+		ql_log(ql_log_warn, vha, 0xb050,
+		    "mbx set led config failed in %s\n", __func__);
+		goto exit;
+	}
+	ha->beacon_blink_led = 1;
+exit:
+	qla82xx_idc_unlock(ha);
+	return rval;
+}
+
+int
+qla82xx_beacon_off(struct scsi_qla_host *vha)
+{
+
+	int rval;
+	struct qla_hw_data *ha = vha->hw;
+	qla82xx_idc_lock(ha);
+	rval = qla82xx_mbx_beacon_ctl(vha, 0);
+
+	if (rval) {
+		ql_log(ql_log_warn, vha, 0xb051,
+		    "mbx set led config failed in %s\n", __func__);
+		goto exit;
+	}
+	ha->beacon_blink_led = 0;
+exit:
+	qla82xx_idc_unlock(ha);
+	return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 8a21832c6693..57820c199bc2 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -484,8 +484,6 @@
 #define QLA82XX_ADDR_OCM1		(0x0000000200400000ULL)
 #define QLA82XX_ADDR_OCM1_MAX		(0x00000002004fffffULL)
 #define QLA82XX_ADDR_QDR_NET		(0x0000000300000000ULL)
-
-#define QLA82XX_P2_ADDR_QDR_NET_MAX	(0x00000003001fffffULL)
 #define QLA82XX_P3_ADDR_QDR_NET_MAX	(0x0000000303ffffffULL)
 
 #define QLA82XX_PCI_CRBSPACE		(unsigned long)0x06000000
@@ -890,6 +888,7 @@ struct ct6_dsd {
 };
 
 #define MBC_TOGGLE_INTERRUPT	0x10
+#define MBC_SET_LED_CONFIG	0x125
 
 /* Flash  offset */
 #define FLT_REG_BOOTLOAD_82XX	0x72
@@ -922,4 +921,256 @@ struct ct6_dsd {
 #define M25P_INSTR_DP		0xb9
 #define M25P_INSTR_RES		0xab
 
+/* Minidump related */
+
+/*
+ * Version of the template
+ * 4 Bytes
+ * X.Major.Minor.RELEASE
+ */
+#define QLA82XX_MINIDUMP_VERSION         0x10101
+
+/*
+ * Entry Type Defines
+ */
+#define QLA82XX_RDNOP                   0
+#define QLA82XX_RDCRB                   1
+#define QLA82XX_RDMUX                   2
+#define QLA82XX_QUEUE                   3
+#define QLA82XX_BOARD                   4
+#define QLA82XX_RDSRE                   5
+#define QLA82XX_RDOCM                   6
+#define QLA82XX_CACHE                  10
+#define QLA82XX_L1DAT                  11
+#define QLA82XX_L1INS                  12
+#define QLA82XX_L2DTG                  21
+#define QLA82XX_L2ITG                  22
+#define QLA82XX_L2DAT                  23
+#define QLA82XX_L2INS                  24
+#define QLA82XX_RDROM                  71
+#define QLA82XX_RDMEM                  72
+#define QLA82XX_CNTRL                  98
+#define QLA82XX_TLHDR                  99
+#define QLA82XX_RDEND                  255
+
+/*
+ * Opcodes for Control Entries.
+ * These Flags are bit fields.
+ */
+#define QLA82XX_DBG_OPCODE_WR        0x01
+#define QLA82XX_DBG_OPCODE_RW        0x02
+#define QLA82XX_DBG_OPCODE_AND       0x04
+#define QLA82XX_DBG_OPCODE_OR        0x08
+#define QLA82XX_DBG_OPCODE_POLL      0x10
+#define QLA82XX_DBG_OPCODE_RDSTATE   0x20
+#define QLA82XX_DBG_OPCODE_WRSTATE   0x40
+#define QLA82XX_DBG_OPCODE_MDSTATE   0x80
+
+/*
+ * Template Header and Entry Header definitions start here.
+ */
+
+/*
+ * Template Header
+ * Parts of the template header can be modified by the driver.
+ * These include the saved_state_array, capture_debug_level, driver_timestamp
+ */
+
+#define QLA82XX_DBG_STATE_ARRAY_LEN        16
+#define QLA82XX_DBG_CAP_SIZE_ARRAY_LEN     8
+#define QLA82XX_DBG_RSVD_ARRAY_LEN         8
+
+/*
+ * Driver Flags
+ */
+#define QLA82XX_DBG_SKIPPED_FLAG	0x80	/* driver skipped this entry */
+#define	QLA82XX_DEFAULT_CAP_MASK	0xFF	/* default capture mask */
+
+struct qla82xx_md_template_hdr {
+	uint32_t entry_type;
+	uint32_t first_entry_offset;
+	uint32_t size_of_template;
+	uint32_t capture_debug_level;
+
+	uint32_t num_of_entries;
+	uint32_t version;
+	uint32_t driver_timestamp;
+	uint32_t template_checksum;
+
+	uint32_t driver_capture_mask;
+	uint32_t driver_info[3];
+
+	uint32_t saved_state_array[QLA82XX_DBG_STATE_ARRAY_LEN];
+	uint32_t capture_size_array[QLA82XX_DBG_CAP_SIZE_ARRAY_LEN];
+
+	/*  markers_array used to capture some special locations on board */
+	uint32_t markers_array[QLA82XX_DBG_RSVD_ARRAY_LEN];
+	uint32_t num_of_free_entries;	/* For internal use */
+	uint32_t free_entry_offset;	/* For internal use */
+	uint32_t total_table_size;	/*  For internal use */
+	uint32_t bkup_table_offset;	/*  For internal use */
+} __packed;
+
+/*
+ * Entry Header:  Common to All Entry Types
+ */
+
+/*
+ * Driver Code is for driver to write some info about the entry.
+ * Currently not used.
+ */
+typedef struct qla82xx_md_entry_hdr {
+	uint32_t entry_type;
+	uint32_t entry_size;
+	uint32_t entry_capture_size;
+	struct {
+		uint8_t entry_capture_mask;
+		uint8_t entry_code;
+		uint8_t driver_code;
+		uint8_t driver_flags;
+	} d_ctrl;
+} __packed qla82xx_md_entry_hdr_t;
+
+/*
+ *  Read CRB entry header
+ */
+struct qla82xx_md_entry_crb {
+	qla82xx_md_entry_hdr_t h;
+	uint32_t addr;
+	struct {
+		uint8_t addr_stride;
+		uint8_t state_index_a;
+		uint16_t poll_timeout;
+	} crb_strd;
+
+	uint32_t data_size;
+	uint32_t op_count;
+
+	struct {
+		uint8_t opcode;
+		uint8_t state_index_v;
+		uint8_t shl;
+		uint8_t shr;
+	} crb_ctrl;
+
+	uint32_t value_1;
+	uint32_t value_2;
+	uint32_t value_3;
+} __packed;
+
+/*
+ * Cache entry header
+ */
+struct qla82xx_md_entry_cache {
+	qla82xx_md_entry_hdr_t h;
+
+	uint32_t tag_reg_addr;
+	struct {
+		uint16_t tag_value_stride;
+		uint16_t init_tag_value;
+	} addr_ctrl;
+
+	uint32_t data_size;
+	uint32_t op_count;
+
+	uint32_t control_addr;
+	struct {
+		uint16_t write_value;
+		uint8_t poll_mask;
+		uint8_t poll_wait;
+	} cache_ctrl;
+
+	uint32_t read_addr;
+	struct {
+		uint8_t read_addr_stride;
+		uint8_t read_addr_cnt;
+		uint16_t rsvd_1;
+	} read_ctrl;
+} __packed;
+
+/*
+ * Read OCM
+ */
+struct qla82xx_md_entry_rdocm {
+	qla82xx_md_entry_hdr_t h;
+
+	uint32_t rsvd_0;
+	uint32_t rsvd_1;
+	uint32_t data_size;
+	uint32_t op_count;
+
+	uint32_t rsvd_2;
+	uint32_t rsvd_3;
+	uint32_t read_addr;
+	uint32_t read_addr_stride;
+	uint32_t read_addr_cntrl;
+} __packed;
+
+/*
+ * Read Memory
+ */
+struct qla82xx_md_entry_rdmem {
+	qla82xx_md_entry_hdr_t h;
+	uint32_t rsvd[6];
+	uint32_t read_addr;
+	uint32_t read_data_size;
+} __packed;
+
+/*
+ * Read ROM
+ */
+struct qla82xx_md_entry_rdrom {
+	qla82xx_md_entry_hdr_t h;
+	uint32_t rsvd[6];
+	uint32_t read_addr;
+	uint32_t read_data_size;
+} __packed;
+
+struct qla82xx_md_entry_mux {
+	qla82xx_md_entry_hdr_t h;
+
+	uint32_t select_addr;
+	uint32_t rsvd_0;
+	uint32_t data_size;
+	uint32_t op_count;
+
+	uint32_t select_value;
+	uint32_t select_value_stride;
+	uint32_t read_addr;
+	uint32_t rsvd_1;
+} __packed;
+
+struct qla82xx_md_entry_queue {
+	qla82xx_md_entry_hdr_t h;
+
+	uint32_t select_addr;
+	struct {
+		uint16_t queue_id_stride;
+		uint16_t rsvd_0;
+	} q_strd;
+
+	uint32_t data_size;
+	uint32_t op_count;
+	uint32_t rsvd_1;
+	uint32_t rsvd_2;
+
+	uint32_t read_addr;
+	struct {
+		uint8_t read_addr_stride;
+		uint8_t read_addr_cnt;
+		uint16_t rsvd_3;
+	} rd_strd;
+} __packed;
+
+#define MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE 0x129
+#define RQST_TMPLT_SIZE	0x0
+#define RQST_TMPLT 0x1
+#define MD_DIRECT_ROM_WINDOW	0x42110030
+#define MD_DIRECT_ROM_READ_BASE	0x42150000
+#define MD_MIU_TEST_AGT_CTRL		0x41000090
+#define MD_MIU_TEST_AGT_ADDR_LO		0x41000094
+#define MD_MIU_TEST_AGT_ADDR_HI		0x41000098
+
+static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
+	0x410000B8, 0x410000BC };
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 1e69527f1e4e..fd14c7bfc626 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -143,7 +143,7 @@ MODULE_PARM_DESC(ql2xmultique_tag,
 		"Set it to 1 to turn on the cpu affinity.");
 
 int ql2xfwloadbin;
-module_param(ql2xfwloadbin, int, S_IRUGO);
+module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xfwloadbin,
 		"Option to specify location from which to load ISP firmware:.\n"
 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
@@ -158,11 +158,11 @@ MODULE_PARM_DESC(ql2xetsenable,
 		"Default is 0 - skip ETS enablement.");
 
 int ql2xdbwr = 1;
-module_param(ql2xdbwr, int, S_IRUGO);
+module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xdbwr,
-	"Option to specify scheme for request queue posting.\n"
-	" 0 -- Regular doorbell.\n"
-	" 1 -- CAMRAM doorbell (faster).\n");
+		"Option to specify scheme for request queue posting.\n"
+		" 0 -- Regular doorbell.\n"
+		" 1 -- CAMRAM doorbell (faster).\n");
 
 int ql2xtargetreset = 1;
 module_param(ql2xtargetreset, int, S_IRUGO);
@@ -183,11 +183,11 @@ MODULE_PARM_DESC(ql2xasynctmfenable,
 		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 
 int ql2xdontresethba;
-module_param(ql2xdontresethba, int, S_IRUGO);
+module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ql2xdontresethba,
-	"Option to specify reset behaviour.\n"
-	" 0 (Default) -- Reset on failure.\n"
-	" 1 -- Do not reset on failure.\n");
+		"Option to specify reset behaviour.\n"
+		" 0 (Default) -- Reset on failure.\n"
+		" 1 -- Do not reset on failure.\n");
 
 uint ql2xmaxlun = MAX_LUNS;
 module_param(ql2xmaxlun, uint, S_IRUGO);
@@ -195,6 +195,19 @@ MODULE_PARM_DESC(ql2xmaxlun,
 		"Defines the maximum LU number to register with the SCSI "
 		"midlayer. Default is 65535.");
 
+int ql2xmdcapmask = 0x1F;
+module_param(ql2xmdcapmask, int, S_IRUGO);
+MODULE_PARM_DESC(ql2xmdcapmask,
+		"Set the Minidump driver capture mask level. "
+		"Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
+
+int ql2xmdenable;
+module_param(ql2xmdenable, int, S_IRUGO);
+MODULE_PARM_DESC(ql2xmdenable,
+		"Enable/disable MiniDump. "
+		"0 (Default) - MiniDump disabled. "
+		"1 - MiniDump enabled.");
+
 /*
  * SCSI host template entry points
  */
@@ -1750,9 +1763,9 @@ static struct isp_operations qla82xx_isp_ops = {
 	.read_nvram		= qla24xx_read_nvram_data,
 	.write_nvram		= qla24xx_write_nvram_data,
 	.fw_dump		= qla24xx_fw_dump,
-	.beacon_on		= qla24xx_beacon_on,
-	.beacon_off		= qla24xx_beacon_off,
-	.beacon_blink		= qla24xx_beacon_blink,
+	.beacon_on		= qla82xx_beacon_on,
+	.beacon_off		= qla82xx_beacon_off,
+	.beacon_blink		= NULL,
 	.read_optrom		= qla82xx_read_optrom_data,
 	.write_optrom		= qla82xx_write_optrom_data,
 	.get_flash_version	= qla24xx_get_flash_version,
@@ -2670,6 +2683,8 @@ qla2x00_free_device(scsi_qla_host_t *vha)
 
 	qla2x00_mem_free(ha);
 
+	qla82xx_md_free(vha);
+
 	qla2x00_free_queues(ha);
 }
 
@@ -3903,8 +3918,11 @@ qla2x00_timer(scsi_qla_host_t *vha)
 
 	/* Check if beacon LED needs to be blinked for physical host only */
 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
-		set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
-		start_dpc++;
+		/* There is no beacon_blink function for ISP82xx */
+		if (!IS_QLA82XX(ha)) {
+			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
+			start_dpc++;
+		}
 	}
 
 	/* Process any deferred work. */
diff --git a/drivers/scsi/qla4xxx/Kconfig b/drivers/scsi/qla4xxx/Kconfig
index 0f5599e0abf6..f1ad02ea212b 100644
--- a/drivers/scsi/qla4xxx/Kconfig
+++ b/drivers/scsi/qla4xxx/Kconfig
@@ -2,6 +2,7 @@ config SCSI_QLA_ISCSI
 	tristate "QLogic ISP4XXX and ISP82XX host adapter family support"
 	depends on PCI && SCSI && NET
 	select SCSI_ISCSI_ATTRS
+	select ISCSI_BOOT_SYSFS
 	---help---
 	This driver supports the QLogic 40xx (ISP4XXX) and 8022 (ISP82XX)
 	iSCSI host adapter family.
diff --git a/drivers/scsi/qla4xxx/Makefile b/drivers/scsi/qla4xxx/Makefile
index 252523d7847e..5b44139ff43d 100644
--- a/drivers/scsi/qla4xxx/Makefile
+++ b/drivers/scsi/qla4xxx/Makefile
@@ -1,5 +1,5 @@
 qla4xxx-y := ql4_os.o ql4_init.o ql4_mbx.o ql4_iocb.o ql4_isr.o \
-		ql4_nx.o ql4_nvram.o ql4_dbg.o ql4_attr.o
+		ql4_nx.o ql4_nvram.o ql4_dbg.o ql4_attr.o ql4_bsg.o
 
 obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx.o
 
diff --git a/drivers/scsi/qla4xxx/ql4_attr.c b/drivers/scsi/qla4xxx/ql4_attr.c
index 864d018631c0..0b0a7d42137d 100644
--- a/drivers/scsi/qla4xxx/ql4_attr.c
+++ b/drivers/scsi/qla4xxx/ql4_attr.c
@@ -55,15 +55,91 @@ qla4xxx_optrom_version_show(struct device *dev, struct device_attribute *attr,
 			ha->bootload_patch, ha->bootload_build);
 }
 
+static ssize_t
+qla4xxx_board_id_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+	return snprintf(buf, PAGE_SIZE, "0x%08X\n", ha->board_id);
+}
+
+static ssize_t
+qla4xxx_fw_state_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+	qla4xxx_get_firmware_state(ha);
+	return snprintf(buf, PAGE_SIZE, "0x%08X%8X\n", ha->firmware_state,
+			ha->addl_fw_state);
+}
+
+static ssize_t
+qla4xxx_phy_port_cnt_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+	if (!is_qla8022(ha))
+		return -ENOSYS;
+
+	return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_cnt);
+}
+
+static ssize_t
+qla4xxx_phy_port_num_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+	if (!is_qla8022(ha))
+		return -ENOSYS;
+
+	return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_num);
+}
+
+static ssize_t
+qla4xxx_iscsi_func_cnt_show(struct device *dev, struct device_attribute *attr,
+		      char *buf)
+{
+	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+	if (!is_qla8022(ha))
+		return -ENOSYS;
+
+	return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->iscsi_pci_func_cnt);
+}
+
+static ssize_t
+qla4xxx_hba_model_show(struct device *dev, struct device_attribute *attr,
+		       char *buf)
+{
+	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_name);
+}
+
 static DEVICE_ATTR(fw_version, S_IRUGO, qla4xxx_fw_version_show, NULL);
 static DEVICE_ATTR(serial_num, S_IRUGO, qla4xxx_serial_num_show, NULL);
 static DEVICE_ATTR(iscsi_version, S_IRUGO, qla4xxx_iscsi_version_show, NULL);
 static DEVICE_ATTR(optrom_version, S_IRUGO, qla4xxx_optrom_version_show, NULL);
+static DEVICE_ATTR(board_id, S_IRUGO, qla4xxx_board_id_show, NULL);
+static DEVICE_ATTR(fw_state, S_IRUGO, qla4xxx_fw_state_show, NULL);
+static DEVICE_ATTR(phy_port_cnt, S_IRUGO, qla4xxx_phy_port_cnt_show, NULL);
+static DEVICE_ATTR(phy_port_num, S_IRUGO, qla4xxx_phy_port_num_show, NULL);
+static DEVICE_ATTR(iscsi_func_cnt, S_IRUGO, qla4xxx_iscsi_func_cnt_show, NULL);
+static DEVICE_ATTR(hba_model, S_IRUGO, qla4xxx_hba_model_show, NULL);
 
 struct device_attribute *qla4xxx_host_attrs[] = {
 	&dev_attr_fw_version,
 	&dev_attr_serial_num,
 	&dev_attr_iscsi_version,
 	&dev_attr_optrom_version,
+	&dev_attr_board_id,
+	&dev_attr_fw_state,
+	&dev_attr_phy_port_cnt,
+	&dev_attr_phy_port_num,
+	&dev_attr_iscsi_func_cnt,
+	&dev_attr_hba_model,
 	NULL,
 };
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c
new file mode 100644
index 000000000000..8acdc582ff6d
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_bsg.c
@@ -0,0 +1,513 @@
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c) 2011 QLogic Corporation
+ *
+ * See LICENSE.qla4xxx for copyright and licensing details.
+ */
+
+#include "ql4_def.h"
+#include "ql4_glbl.h"
+#include "ql4_bsg.h"
+
+static int
+qla4xxx_read_flash(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	uint32_t offset = 0;
+	uint32_t length = 0;
+	dma_addr_t flash_dma;
+	uint8_t *flash = NULL;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	if (ha->flash_state != QLFLASH_WAITING) {
+		ql4_printk(KERN_ERR, ha, "%s: another flash operation "
+			   "active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	ha->flash_state = QLFLASH_READING;
+	offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	length = bsg_job->reply_payload.payload_len;
+
+	flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma,
+				   GFP_KERNEL);
+	if (!flash) {
+		ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
+			   "data\n", __func__);
+		rval = -ENOMEM;
+		goto leave;
+	}
+
+	rval = qla4xxx_get_flash(ha, flash_dma, offset, length);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: get flash failed\n", __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else {
+		bsg_reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+					    bsg_job->reply_payload.sg_cnt,
+					    flash, length);
+		bsg_reply->result = DID_OK << 16;
+	}
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+	dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma);
+leave:
+	ha->flash_state = QLFLASH_WAITING;
+	return rval;
+}
+
+static int
+qla4xxx_update_flash(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	uint32_t length = 0;
+	uint32_t offset = 0;
+	uint32_t options = 0;
+	dma_addr_t flash_dma;
+	uint8_t *flash = NULL;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	if (ha->flash_state != QLFLASH_WAITING) {
+		ql4_printk(KERN_ERR, ha, "%s: another flash operation "
+			   "active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	ha->flash_state = QLFLASH_WRITING;
+	length = bsg_job->request_payload.payload_len;
+	offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	options = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
+
+	flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma,
+				   GFP_KERNEL);
+	if (!flash) {
+		ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
+			   "data\n", __func__);
+		rval = -ENOMEM;
+		goto leave;
+	}
+
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+			  bsg_job->request_payload.sg_cnt, flash, length);
+
+	rval = qla4xxx_set_flash(ha, flash_dma, offset, length, options);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: set flash failed\n", __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else
+		bsg_reply->result = DID_OK << 16;
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+	dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma);
+leave:
+	ha->flash_state = QLFLASH_WAITING;
+	return rval;
+}
+
+static int
+qla4xxx_get_acb_state(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	uint32_t status[MBOX_REG_COUNT];
+	uint32_t acb_idx;
+	uint32_t ip_idx;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	/* Only 4022 and above adapters are supported */
+	if (is_qla4010(ha))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	if (bsg_job->reply_payload.payload_len < sizeof(status)) {
+		ql4_printk(KERN_ERR, ha, "%s: invalid payload len %d\n",
+			   __func__, bsg_job->reply_payload.payload_len);
+		rval = -EINVAL;
+		goto leave;
+	}
+
+	acb_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	ip_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
+
+	rval = qla4xxx_get_ip_state(ha, acb_idx, ip_idx, status);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: get ip state failed\n",
+			   __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else {
+		bsg_reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+					    bsg_job->reply_payload.sg_cnt,
+					    status, sizeof(status));
+		bsg_reply->result = DID_OK << 16;
+	}
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+leave:
+	return rval;
+}
+
+static int
+qla4xxx_read_nvram(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	uint32_t offset = 0;
+	uint32_t len = 0;
+	uint32_t total_len = 0;
+	dma_addr_t nvram_dma;
+	uint8_t *nvram = NULL;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	/* Only 40xx adapters are supported */
+	if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	len = bsg_job->reply_payload.payload_len;
+	total_len = offset + len;
+
+	/* total len should not be greater than max NVRAM size */
+	if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
+	    ((is_qla4022(ha) || is_qla4032(ha)) &&
+	     total_len > QL40X2_NVRAM_SIZE)) {
+		ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
+			   " nvram size, offset=%d len=%d\n",
+			   __func__, offset, len);
+		goto leave;
+	}
+
+	nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
+				   GFP_KERNEL);
+	if (!nvram) {
+		ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for nvram "
+			   "data\n", __func__);
+		rval = -ENOMEM;
+		goto leave;
+	}
+
+	rval = qla4xxx_get_nvram(ha, nvram_dma, offset, len);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: get nvram failed\n", __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else {
+		bsg_reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+					    bsg_job->reply_payload.sg_cnt,
+					    nvram, len);
+		bsg_reply->result = DID_OK << 16;
+	}
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+	dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
+leave:
+	return rval;
+}
+
+static int
+qla4xxx_update_nvram(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	uint32_t offset = 0;
+	uint32_t len = 0;
+	uint32_t total_len = 0;
+	dma_addr_t nvram_dma;
+	uint8_t *nvram = NULL;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha)))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	len = bsg_job->request_payload.payload_len;
+	total_len = offset + len;
+
+	/* total len should not be greater than max NVRAM size */
+	if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) ||
+	    ((is_qla4022(ha) || is_qla4032(ha)) &&
+	     total_len > QL40X2_NVRAM_SIZE)) {
+		ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max"
+			   " nvram size, offset=%d len=%d\n",
+			   __func__, offset, len);
+		goto leave;
+	}
+
+	nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma,
+				   GFP_KERNEL);
+	if (!nvram) {
+		ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash "
+			   "data\n", __func__);
+		rval = -ENOMEM;
+		goto leave;
+	}
+
+	sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+			  bsg_job->request_payload.sg_cnt, nvram, len);
+
+	rval = qla4xxx_set_nvram(ha, nvram_dma, offset, len);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else
+		bsg_reply->result = DID_OK << 16;
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+	dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma);
+leave:
+	return rval;
+}
+
+static int
+qla4xxx_restore_defaults(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	uint32_t region = 0;
+	uint32_t field0 = 0;
+	uint32_t field1 = 0;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	if (is_qla4010(ha))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
+	field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
+
+	rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else
+		bsg_reply->result = DID_OK << 16;
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+leave:
+	return rval;
+}
+
+static int
+qla4xxx_bsg_get_acb(struct bsg_job *bsg_job)
+{
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	uint32_t acb_type = 0;
+	uint32_t len = 0;
+	dma_addr_t acb_dma;
+	uint8_t *acb = NULL;
+	int rval = -EINVAL;
+
+	bsg_reply->reply_payload_rcv_len = 0;
+
+	if (unlikely(pci_channel_offline(ha->pdev)))
+		goto leave;
+
+	/* Only 4022 and above adapters are supported */
+	if (is_qla4010(ha))
+		goto leave;
+
+	if (ql4xxx_reset_active(ha)) {
+		ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__);
+		rval = -EBUSY;
+		goto leave;
+	}
+
+	acb_type = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
+	len = bsg_job->reply_payload.payload_len;
+	if (len < sizeof(struct addr_ctrl_blk)) {
+		ql4_printk(KERN_ERR, ha, "%s: invalid acb len %d\n",
+			   __func__, len);
+		rval = -EINVAL;
+		goto leave;
+	}
+
+	acb = dma_alloc_coherent(&ha->pdev->dev, len, &acb_dma, GFP_KERNEL);
+	if (!acb) {
+		ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for acb "
+			   "data\n", __func__);
+		rval = -ENOMEM;
+		goto leave;
+	}
+
+	rval = qla4xxx_get_acb(ha, acb_dma, acb_type, len);
+	if (rval) {
+		ql4_printk(KERN_ERR, ha, "%s: get acb failed\n", __func__);
+		bsg_reply->result = DID_ERROR << 16;
+		rval = -EIO;
+	} else {
+		bsg_reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+					    bsg_job->reply_payload.sg_cnt,
+					    acb, len);
+		bsg_reply->result = DID_OK << 16;
+	}
+
+	bsg_job_done(bsg_job, bsg_reply->result,
+		     bsg_reply->reply_payload_rcv_len);
+	dma_free_coherent(&ha->pdev->dev, len, acb, acb_dma);
+leave:
+	return rval;
+}
+
+/**
+ * qla4xxx_process_vendor_specific - handle vendor specific bsg request
+ * @job: iscsi_bsg_job to handle
+ **/
+int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job)
+{
+	struct iscsi_bsg_reply *bsg_reply = bsg_job->reply;
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+
+	switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
+	case QLISCSI_VND_READ_FLASH:
+		return qla4xxx_read_flash(bsg_job);
+
+	case QLISCSI_VND_UPDATE_FLASH:
+		return qla4xxx_update_flash(bsg_job);
+
+	case QLISCSI_VND_GET_ACB_STATE:
+		return qla4xxx_get_acb_state(bsg_job);
+
+	case QLISCSI_VND_READ_NVRAM:
+		return qla4xxx_read_nvram(bsg_job);
+
+	case QLISCSI_VND_UPDATE_NVRAM:
+		return qla4xxx_update_nvram(bsg_job);
+
+	case QLISCSI_VND_RESTORE_DEFAULTS:
+		return qla4xxx_restore_defaults(bsg_job);
+
+	case QLISCSI_VND_GET_ACB:
+		return qla4xxx_bsg_get_acb(bsg_job);
+
+	default:
+		ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: "
+			   "0x%x\n", __func__, bsg_req->msgcode);
+		bsg_reply->result = (DID_ERROR << 16);
+		bsg_reply->reply_payload_rcv_len = 0;
+		bsg_job_done(bsg_job, bsg_reply->result,
+			     bsg_reply->reply_payload_rcv_len);
+		return -ENOSYS;
+	}
+}
+
+/**
+ * qla4xxx_bsg_request - handle bsg request from ISCSI transport
+ * @job: iscsi_bsg_job to handle
+ */
+int qla4xxx_bsg_request(struct bsg_job *bsg_job)
+{
+	struct iscsi_bsg_request *bsg_req = bsg_job->request;
+	struct Scsi_Host *host = iscsi_job_to_shost(bsg_job);
+	struct scsi_qla_host *ha = to_qla_host(host);
+
+	switch (bsg_req->msgcode) {
+	case ISCSI_BSG_HST_VENDOR:
+		return qla4xxx_process_vendor_specific(bsg_job);
+
+	default:
+		ql4_printk(KERN_ERR, ha, "%s: invalid BSG command: 0x%x\n",
+			   __func__, bsg_req->msgcode);
+	}
+
+	return -ENOSYS;
+}
diff --git a/drivers/scsi/qla4xxx/ql4_bsg.h b/drivers/scsi/qla4xxx/ql4_bsg.h
new file mode 100644
index 000000000000..c6a0364509fd
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_bsg.h
@@ -0,0 +1,19 @@
+/*
+ * QLogic iSCSI HBA Driver
+ * Copyright (c) 2011 QLogic Corporation
+ *
+ * See LICENSE.qla4xxx for copyright and licensing details.
+ */
+#ifndef __QL4_BSG_H
+#define __QL4_BSG_H
+
+/* BSG Vendor specific commands */
+#define QLISCSI_VND_READ_FLASH		1
+#define QLISCSI_VND_UPDATE_FLASH	2
+#define QLISCSI_VND_GET_ACB_STATE	3
+#define QLISCSI_VND_READ_NVRAM		4
+#define QLISCSI_VND_UPDATE_NVRAM	5
+#define QLISCSI_VND_RESTORE_DEFAULTS	6
+#define QLISCSI_VND_GET_ACB		7
+
+#endif
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 473c5c872b39..ace637bf254e 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -25,6 +25,7 @@
 #include <linux/interrupt.h>
 #include <linux/mutex.h>
 #include <linux/aer.h>
+#include <linux/bsg-lib.h>
 
 #include <net/tcp.h>
 #include <scsi/scsi.h>
@@ -33,9 +34,14 @@
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_transport_iscsi.h>
+#include <scsi/scsi_bsg_iscsi.h>
+#include <scsi/scsi_netlink.h>
+#include <scsi/libiscsi.h>
 
 #include "ql4_dbg.h"
 #include "ql4_nx.h"
+#include "ql4_fw.h"
+#include "ql4_nvram.h"
 
 #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010
 #define PCI_DEVICE_ID_QLOGIC_ISP4010	0x4010
@@ -109,7 +115,7 @@
 #define MAX_BUSES		1
 #define MAX_TARGETS		MAX_DEV_DB_ENTRIES
 #define MAX_LUNS		0xffff
-#define MAX_AEN_ENTRIES		256 /* should be > EXT_DEF_MAX_AEN_QUEUE */
+#define MAX_AEN_ENTRIES		MAX_DEV_DB_ENTRIES
 #define MAX_DDB_ENTRIES		MAX_DEV_DB_ENTRIES
 #define MAX_PDU_ENTRIES		32
 #define INVALID_ENTRY		0xFFFF
@@ -166,6 +172,7 @@
 #define RELOGIN_TOV			18
 #define ISNS_DEREG_TOV			5
 #define HBA_ONLINE_TOV			30
+#define DISABLE_ACB_TOV			30
 
 #define MAX_RESET_HA_RETRIES		2
 
@@ -227,52 +234,12 @@ struct ql4_aen_log {
  * Device Database (DDB) structure
  */
 struct ddb_entry {
-	struct list_head list;	/* ddb list */
 	struct scsi_qla_host *ha;
 	struct iscsi_cls_session *sess;
 	struct iscsi_cls_conn *conn;
 
-	atomic_t state;		/* DDB State */
-
-	unsigned long flags;	/* DDB Flags */
-
 	uint16_t fw_ddb_index;	/* DDB firmware index */
-	uint16_t options;
 	uint32_t fw_ddb_device_state; /* F/W Device State  -- see ql4_fw.h */
-
-	uint32_t CmdSn;
-	uint16_t target_session_id;
-	uint16_t connection_id;
-	uint16_t exe_throttle;	/* Max mumber of cmds outstanding
-				 * simultaneously */
-	uint16_t task_mgmt_timeout; /* Min time for task mgmt cmds to
-				     * complete */
-	uint16_t default_relogin_timeout; /*  Max time to wait for
-					   *  relogin to complete */
-	uint16_t tcp_source_port_num;
-	uint32_t default_time2wait; /* Default Min time between
-				     * relogins (+aens) */
-
-	atomic_t retry_relogin_timer; /* Min Time between relogins
-				       * (4000 only) */
-	atomic_t relogin_timer;	/* Max Time to wait for relogin to complete */
-	atomic_t relogin_retry_count; /* Num of times relogin has been
-				       * retried */
-
-	uint16_t port;
-	uint32_t tpgt;
-	uint8_t ip_addr[IP_ADDR_LEN];
-	uint8_t iscsi_name[ISCSI_NAME_SIZE];	/* 72 x48 */
-	uint8_t iscsi_alias[0x20];
-	uint8_t isid[6];
-	uint16_t iscsi_max_burst_len;
-	uint16_t iscsi_max_outsnd_r2t;
-	uint16_t iscsi_first_burst_len;
-	uint16_t iscsi_max_rcv_data_seg_len;
-	uint16_t iscsi_max_snd_data_seg_len;
-
-	struct in6_addr remote_ipv6_addr;
-	struct in6_addr link_local_ipv6_addr;
 };
 
 /*
@@ -293,8 +260,6 @@ struct ddb_entry {
 #define DF_FO_MASKED		3
 
 
-#include "ql4_fw.h"
-#include "ql4_nvram.h"
 
 struct ql82xx_hw_data {
 	/* Offsets for flash/nvram access (set to ~0 if not used). */
@@ -312,7 +277,10 @@ struct ql82xx_hw_data {
 	uint32_t flt_region_boot;
 	uint32_t flt_region_bootload;
 	uint32_t flt_region_fw;
-	uint32_t reserved;
+
+	uint32_t flt_iscsi_param;
+	uint32_t flt_region_chap;
+	uint32_t flt_chap_size;
 };
 
 struct qla4_8xxx_legacy_intr_set {
@@ -357,6 +325,68 @@ struct isp_operations {
 	int (*get_sys_info) (struct scsi_qla_host *);
 };
 
+/*qla4xxx ipaddress configuration details */
+struct ipaddress_config {
+	uint16_t ipv4_options;
+	uint16_t tcp_options;
+	uint16_t ipv4_vlan_tag;
+	uint8_t ipv4_addr_state;
+	uint8_t ip_address[IP_ADDR_LEN];
+	uint8_t subnet_mask[IP_ADDR_LEN];
+	uint8_t gateway[IP_ADDR_LEN];
+	uint32_t ipv6_options;
+	uint32_t ipv6_addl_options;
+	uint8_t ipv6_link_local_state;
+	uint8_t ipv6_addr0_state;
+	uint8_t ipv6_addr1_state;
+	uint8_t ipv6_default_router_state;
+	uint16_t ipv6_vlan_tag;
+	struct in6_addr ipv6_link_local_addr;
+	struct in6_addr ipv6_addr0;
+	struct in6_addr ipv6_addr1;
+	struct in6_addr ipv6_default_router_addr;
+	uint16_t eth_mtu_size;
+	uint16_t ipv4_port;
+	uint16_t ipv6_port;
+};
+
+#define QL4_CHAP_MAX_NAME_LEN 256
+#define QL4_CHAP_MAX_SECRET_LEN 100
+#define LOCAL_CHAP	0
+#define BIDI_CHAP	1
+
+struct ql4_chap_format {
+	u8  intr_chap_name[QL4_CHAP_MAX_NAME_LEN];
+	u8  intr_secret[QL4_CHAP_MAX_SECRET_LEN];
+	u8  target_chap_name[QL4_CHAP_MAX_NAME_LEN];
+	u8  target_secret[QL4_CHAP_MAX_SECRET_LEN];
+	u16 intr_chap_name_length;
+	u16 intr_secret_length;
+	u16 target_chap_name_length;
+	u16 target_secret_length;
+};
+
+struct ip_address_format {
+	u8 ip_type;
+	u8 ip_address[16];
+};
+
+struct	ql4_conn_info {
+	u16	dest_port;
+	struct	ip_address_format dest_ipaddr;
+	struct	ql4_chap_format chap;
+};
+
+struct ql4_boot_session_info {
+	u8	target_name[224];
+	struct	ql4_conn_info conn_list[1];
+};
+
+struct ql4_boot_tgt_info {
+	struct ql4_boot_session_info boot_pri_sess;
+	struct ql4_boot_session_info boot_sec_sess;
+};
+
 /*
  * Linux Host Adapter structure
  */
@@ -451,10 +481,6 @@ struct scsi_qla_host {
 	/* --- From Init_FW --- */
 	/* init_cb_t *init_cb; */
 	uint16_t firmware_options;
-	uint16_t tcp_options;
-	uint8_t ip_address[IP_ADDR_LEN];
-	uint8_t subnet_mask[IP_ADDR_LEN];
-	uint8_t gateway[IP_ADDR_LEN];
 	uint8_t alias[32];
 	uint8_t name_string[256];
 	uint8_t heartbeat_interval;
@@ -462,7 +488,7 @@ struct scsi_qla_host {
 	/* --- From FlashSysInfo --- */
 	uint8_t my_mac[MAC_ADDR_LEN];
 	uint8_t serial_number[16];
-
+	uint16_t port_num;
 	/* --- From GetFwState --- */
 	uint32_t firmware_state;
 	uint32_t addl_fw_state;
@@ -524,31 +550,13 @@ struct scsi_qla_host {
 	volatile uint8_t mbox_status_count;
 	volatile uint32_t mbox_status[MBOX_REG_COUNT];
 
-	/* local device database list (contains internal ddb entries) */
-	struct list_head ddb_list;
-
-	/* Map ddb_list entry by FW ddb index */
+	/* FW ddb index map */
 	struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
 
 	/* Saved srb for status continuation entry processing */
 	struct srb *status_srb;
 
-	/* IPv6 support info from InitFW */
 	uint8_t acb_version;
-	uint8_t ipv4_addr_state;
-	uint16_t ipv4_options;
-
-	uint32_t resvd2;
-	uint32_t ipv6_options;
-	uint32_t ipv6_addl_options;
-	uint8_t ipv6_link_local_state;
-	uint8_t ipv6_addr0_state;
-	uint8_t ipv6_addr1_state;
-	uint8_t ipv6_default_router_state;
-	struct in6_addr ipv6_link_local_addr;
-	struct in6_addr ipv6_addr0;
-	struct in6_addr ipv6_addr1;
-	struct in6_addr ipv6_default_router_addr;
 
 	/* qla82xx specific fields */
 	struct device_reg_82xx  __iomem *qla4_8xxx_reg; /* Base I/O address */
@@ -584,6 +592,11 @@ struct scsi_qla_host {
 
 	struct completion mbx_intr_comp;
 
+	struct ipaddress_config ip_config;
+	struct iscsi_iface *iface_ipv4;
+	struct iscsi_iface *iface_ipv6_0;
+	struct iscsi_iface *iface_ipv6_1;
+
 	/* --- From About Firmware --- */
 	uint16_t iscsi_major;
 	uint16_t iscsi_minor;
@@ -591,16 +604,60 @@ struct scsi_qla_host {
 	uint16_t bootload_minor;
 	uint16_t bootload_patch;
 	uint16_t bootload_build;
+
+	uint32_t flash_state;
+#define	QLFLASH_WAITING		0
+#define	QLFLASH_READING		1
+#define	QLFLASH_WRITING		2
+	struct dma_pool *chap_dma_pool;
+	uint8_t *chap_list; /* CHAP table cache */
+	struct mutex  chap_sem;
+#define CHAP_DMA_BLOCK_SIZE    512
+	struct workqueue_struct *task_wq;
+	unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG];
+#define SYSFS_FLAG_FW_SEL_BOOT 2
+	struct iscsi_boot_kset *boot_kset;
+	struct ql4_boot_tgt_info boot_tgt;
+	uint16_t phy_port_num;
+	uint16_t phy_port_cnt;
+	uint16_t iscsi_pci_func_cnt;
+	uint8_t model_name[16];
+	struct completion disable_acb_comp;
+};
+
+struct ql4_task_data {
+	struct scsi_qla_host *ha;
+	uint8_t iocb_req_cnt;
+	dma_addr_t data_dma;
+	void *req_buffer;
+	dma_addr_t req_dma;
+	uint32_t req_len;
+	void *resp_buffer;
+	dma_addr_t resp_dma;
+	uint32_t resp_len;
+	struct iscsi_task *task;
+	struct passthru_status sts;
+	struct work_struct task_work;
+};
+
+struct qla_endpoint {
+	struct Scsi_Host *host;
+	struct sockaddr dst_addr;
+};
+
+struct qla_conn {
+	struct qla_endpoint *qla_ep;
 };
 
 static inline int is_ipv4_enabled(struct scsi_qla_host *ha)
 {
-	return ((ha->ipv4_options & IPOPT_IPv4_PROTOCOL_ENABLE) != 0);
+	return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0);
 }
 
 static inline int is_ipv6_enabled(struct scsi_qla_host *ha)
 {
-	return ((ha->ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
+	return ((ha->ip_config.ipv6_options &
+		IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0);
 }
 
 static inline int is_qla4010(struct scsi_qla_host *ha)
@@ -618,6 +675,11 @@ static inline int is_qla4032(struct scsi_qla_host *ha)
 	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP4032;
 }
 
+static inline int is_qla40XX(struct scsi_qla_host *ha)
+{
+	return is_qla4032(ha) || is_qla4022(ha) || is_qla4010(ha);
+}
+
 static inline int is_qla8022(struct scsi_qla_host *ha)
 {
 	return ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8022;
@@ -640,7 +702,7 @@ static inline int adapter_up(struct scsi_qla_host *ha)
 
 static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost)
 {
-	return (struct scsi_qla_host *)shost->hostdata;
+	return (struct scsi_qla_host *)iscsi_host_priv(shost);
 }
 
 static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha)
@@ -760,6 +822,16 @@ static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a)
 		ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK);
 }
 
+static inline int ql4xxx_reset_active(struct scsi_qla_host *ha)
+{
+	return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
+	       test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
+	       test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
+	       test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
+	       test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
+	       test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
+
+}
 /*---------------------------------------------------------------------------*/
 
 /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 01082aa77098..cbd5a20dbbd1 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -146,6 +146,13 @@ struct isp_reg {
 #define QL4022_NVRAM_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (10+16))
 #define QL4022_FLASH_SEM_MASK	(QL4022_RESOURCE_MASK_BASE_CODE << (13+16))
 
+/* nvram address for 4032 */
+#define NVRAM_PORT0_BOOT_MODE		0x03b1
+#define NVRAM_PORT0_BOOT_PRI_TGT	0x03b2
+#define NVRAM_PORT0_BOOT_SEC_TGT	0x03bb
+#define NVRAM_PORT1_BOOT_MODE		0x07b1
+#define NVRAM_PORT1_BOOT_PRI_TGT	0x07b2
+#define NVRAM_PORT1_BOOT_SEC_TGT	0x07bb
 
 
 /* Page # defines for 4022 */
@@ -194,6 +201,9 @@ static inline uint32_t clr_rmask(uint32_t val)
 /* ISP 4022 nvram definitions */
 #define NVR_WRITE_ENABLE			0x00000010	/* 4022 */
 
+#define QL4010_NVRAM_SIZE			0x200
+#define QL40X2_NVRAM_SIZE			0x800
+
 /*  ISP port_status definitions */
 
 /*  ISP Semaphore definitions */
@@ -241,6 +251,8 @@ union external_hw_config_reg {
 #define FA_BOOT_CODE_ADDR_82		0x20000
 #define FA_RISC_CODE_ADDR_82		0x40000
 #define FA_GOLD_RISC_CODE_ADDR_82	0x80000
+#define FA_FLASH_ISCSI_CHAP		0x540000
+#define FA_FLASH_CHAP_SIZE		0xC0000
 
 /* Flash Description Table */
 struct qla_fdt_layout {
@@ -296,8 +308,11 @@ struct qla_flt_header {
 #define FLT_REG_FLT		0x1c
 #define FLT_REG_BOOTLOAD_82	0x72
 #define FLT_REG_FW_82		0x74
+#define FLT_REG_FW_82_1		0x97
 #define FLT_REG_GOLD_FW_82	0x75
 #define FLT_REG_BOOT_CODE_82	0x78
+#define FLT_REG_ISCSI_PARAM	0x65
+#define FLT_REG_ISCSI_CHAP	0x63
 
 struct qla_flt_region {
 	uint32_t code;
@@ -331,9 +346,11 @@ struct qla_flt_region {
 #define MBOX_CMD_WRITE_FLASH			0x0025
 #define MBOX_CMD_READ_FLASH			0x0026
 #define MBOX_CMD_CLEAR_DATABASE_ENTRY		0x0031
+#define MBOX_CMD_CONN_OPEN			0x0074
 #define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT		0x0056
-#define LOGOUT_OPTION_CLOSE_SESSION		0x01
-#define LOGOUT_OPTION_RELOGIN			0x02
+#define LOGOUT_OPTION_CLOSE_SESSION		0x0002
+#define LOGOUT_OPTION_RELOGIN			0x0004
+#define LOGOUT_OPTION_FREE_DDB			0x0008
 #define MBOX_CMD_EXECUTE_IOCB_A64		0x005A
 #define MBOX_CMD_INITIALIZE_FIRMWARE		0x0060
 #define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK		0x0061
@@ -342,12 +359,15 @@ struct qla_flt_region {
 #define MBOX_CMD_GET_DATABASE_ENTRY		0x0064
 #define DDB_DS_UNASSIGNED			0x00
 #define DDB_DS_NO_CONNECTION_ACTIVE		0x01
+#define DDB_DS_DISCOVERY			0x02
 #define DDB_DS_SESSION_ACTIVE			0x04
 #define DDB_DS_SESSION_FAILED			0x06
 #define DDB_DS_LOGIN_IN_PROCESS			0x07
 #define MBOX_CMD_GET_FW_STATE			0x0069
 #define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A
 #define MBOX_CMD_GET_SYS_INFO			0x0078
+#define MBOX_CMD_GET_NVRAM			0x0078	/* For 40xx */
+#define MBOX_CMD_SET_NVRAM			0x0079	/* For 40xx */
 #define MBOX_CMD_RESTORE_FACTORY_DEFAULTS	0x0087
 #define MBOX_CMD_SET_ACB			0x0088
 #define MBOX_CMD_GET_ACB			0x0089
@@ -375,7 +395,10 @@ struct qla_flt_region {
 #define FW_ADDSTATE_DHCPv4_LEASE_EXPIRED	0x0008
 #define FW_ADDSTATE_LINK_UP			0x0010
 #define FW_ADDSTATE_ISNS_SVC_ENABLED		0x0020
+
 #define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS	0x006B
+#define IPV6_DEFAULT_DDB_ENTRY			0x0001
+
 #define MBOX_CMD_CONN_OPEN_SESS_LOGIN		0x0074
 #define MBOX_CMD_GET_CRASH_RECORD		0x0076	/* 4010 only */
 #define MBOX_CMD_GET_CONN_EVENT_LOG		0x0077
@@ -434,6 +457,14 @@ struct qla_flt_region {
 #define ACB_STATE_VALID		0x05
 #define ACB_STATE_DISABLING	0x06
 
+/* FLASH offsets */
+#define FLASH_SEGMENT_IFCB	0x04000000
+
+#define FLASH_OPT_RMW_HOLD	0
+#define FLASH_OPT_RMW_INIT	1
+#define FLASH_OPT_COMMIT	2
+#define FLASH_OPT_RMW_COMMIT	3
+
 /*************************************************************************/
 
 /* Host Adapter Initialization Control Block (from host) */
@@ -455,7 +486,8 @@ struct addr_ctrl_blk {
 	uint8_t res0;	/* 07 */
 	uint16_t eth_mtu_size;	/* 08-09 */
 	uint16_t add_fw_options;	/* 0A-0B */
-#define SERIALIZE_TASK_MGMT		0x0400
+#define ADFWOPT_SERIALIZE_TASK_MGMT	0x0400
+#define ADFWOPT_AUTOCONN_DISABLE	0x0002
 
 	uint8_t hb_interval;	/* 0C */
 	uint8_t inst_num; /* 0D */
@@ -473,8 +505,10 @@ struct addr_ctrl_blk {
 
 	uint16_t iscsi_opts;	/* 30-31 */
 	uint16_t ipv4_tcp_opts;	/* 32-33 */
+#define TCPOPT_DHCP_ENABLE		0x0200
 	uint16_t ipv4_ip_opts;	/* 34-35 */
-#define  IPOPT_IPv4_PROTOCOL_ENABLE	0x8000
+#define IPOPT_IPV4_PROTOCOL_ENABLE	0x8000
+#define IPOPT_VLAN_TAGGING_ENABLE	0x2000
 
 	uint16_t iscsi_max_pdu_size;	/* 36-37 */
 	uint8_t ipv4_tos;	/* 38 */
@@ -526,6 +560,7 @@ struct addr_ctrl_blk {
 	uint16_t ipv6_port;	/* 204-205 */
 	uint16_t ipv6_opts;	/* 206-207 */
 #define IPV6_OPT_IPV6_PROTOCOL_ENABLE	0x8000
+#define IPV6_OPT_VLAN_TAGGING_ENABLE	0x2000
 
 	uint16_t ipv6_addtl_opts;	/* 208-209 */
 #define IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE	0x0002 /* Pri ACB
@@ -574,13 +609,105 @@ struct init_fw_ctrl_blk {
 /*	struct addr_ctrl_blk sec;*/
 };
 
+#define PRIMARI_ACB		0
+#define SECONDARY_ACB		1
+
+struct addr_ctrl_blk_def {
+	uint8_t reserved1[1];	/* 00 */
+	uint8_t control;	/* 01 */
+	uint8_t reserved2[11];	/* 02-0C */
+	uint8_t inst_num;	/* 0D */
+	uint8_t reserved3[34];	/* 0E-2F */
+	uint16_t iscsi_opts;	/* 30-31 */
+	uint16_t ipv4_tcp_opts;	/* 32-33 */
+	uint16_t ipv4_ip_opts;	/* 34-35 */
+	uint16_t iscsi_max_pdu_size;	/* 36-37 */
+	uint8_t ipv4_tos;	/* 38 */
+	uint8_t ipv4_ttl;	/* 39 */
+	uint8_t reserved4[2];	/* 3A-3B */
+	uint16_t def_timeout;	/* 3C-3D */
+	uint16_t iscsi_fburst_len;	/* 3E-3F */
+	uint8_t reserved5[4];	/* 40-43 */
+	uint16_t iscsi_max_outstnd_r2t;	/* 44-45 */
+	uint8_t reserved6[2];	/* 46-47 */
+	uint16_t ipv4_port;	/* 48-49 */
+	uint16_t iscsi_max_burst_len;	/* 4A-4B */
+	uint8_t reserved7[4];	/* 4C-4F */
+	uint8_t ipv4_addr[4];	/* 50-53 */
+	uint16_t ipv4_vlan_tag;	/* 54-55 */
+	uint8_t ipv4_addr_state;	/* 56 */
+	uint8_t ipv4_cacheid;	/* 57 */
+	uint8_t reserved8[8];	/* 58-5F */
+	uint8_t ipv4_subnet[4];	/* 60-63 */
+	uint8_t reserved9[12];	/* 64-6F */
+	uint8_t ipv4_gw_addr[4];	/* 70-73 */
+	uint8_t reserved10[84];	/* 74-C7 */
+	uint8_t abort_timer;	/* C8    */
+	uint8_t ipv4_tcp_wsf;	/* C9    */
+	uint8_t reserved11[10];	/* CA-D3 */
+	uint8_t ipv4_dhcp_vid_len;	/* D4 */
+	uint8_t ipv4_dhcp_vid[11];	/* D5-DF */
+	uint8_t reserved12[20];	/* E0-F3 */
+	uint8_t ipv4_dhcp_alt_cid_len;	/* F4 */
+	uint8_t ipv4_dhcp_alt_cid[11];	/* F5-FF */
+	uint8_t iscsi_name[224];	/* 100-1DF */
+	uint8_t reserved13[32];	/* 1E0-1FF */
+	uint32_t cookie;	/* 200-203 */
+	uint16_t ipv6_port;	/* 204-205 */
+	uint16_t ipv6_opts;	/* 206-207 */
+	uint16_t ipv6_addtl_opts;	/* 208-209 */
+	uint16_t ipv6_tcp_opts;		/* 20A-20B */
+	uint8_t ipv6_tcp_wsf;		/* 20C */
+	uint16_t ipv6_flow_lbl;		/* 20D-20F */
+	uint8_t ipv6_dflt_rtr_addr[16];	/* 210-21F */
+	uint16_t ipv6_vlan_tag;		/* 220-221 */
+	uint8_t ipv6_lnk_lcl_addr_state;	/* 222 */
+	uint8_t ipv6_addr0_state;	/* 223 */
+	uint8_t ipv6_addr1_state;	/* 224 */
+	uint8_t ipv6_dflt_rtr_state;	/* 225 */
+	uint8_t ipv6_traffic_class;	/* 226 */
+	uint8_t ipv6_hop_limit;		/* 227 */
+	uint8_t ipv6_if_id[8];		/* 228-22F */
+	uint8_t ipv6_addr0[16];		/* 230-23F */
+	uint8_t ipv6_addr1[16];		/* 240-24F */
+	uint32_t ipv6_nd_reach_time;	/* 250-253 */
+	uint32_t ipv6_nd_rexmit_timer;	/* 254-257 */
+	uint32_t ipv6_nd_stale_timeout;	/* 258-25B */
+	uint8_t ipv6_dup_addr_detect_count;	/* 25C */
+	uint8_t ipv6_cache_id;		/* 25D */
+	uint8_t reserved14[18];		/* 25E-26F */
+	uint32_t ipv6_gw_advrt_mtu;	/* 270-273 */
+	uint8_t reserved15[140];	/* 274-2FF */
+};
+
 /*************************************************************************/
 
+#define MAX_CHAP_ENTRIES_40XX	128
+#define MAX_CHAP_ENTRIES_82XX	1024
+#define MAX_RESRV_CHAP_IDX	3
+#define FLASH_CHAP_OFFSET	0x06000000
+
+struct ql4_chap_table {
+	uint16_t link;
+	uint8_t flags;
+	uint8_t secret_len;
+#define MIN_CHAP_SECRET_LEN	12
+#define MAX_CHAP_SECRET_LEN	100
+	uint8_t secret[MAX_CHAP_SECRET_LEN];
+#define MAX_CHAP_NAME_LEN	256
+	uint8_t name[MAX_CHAP_NAME_LEN];
+	uint16_t reserved;
+#define CHAP_VALID_COOKIE	0x4092
+#define CHAP_INVALID_COOKIE	0xFFEE
+	uint16_t cookie;
+};
+
 struct dev_db_entry {
 	uint16_t options;	/* 00-01 */
 #define DDB_OPT_DISC_SESSION  0x10
 #define DDB_OPT_TARGET	      0x02 /* device is a target */
 #define DDB_OPT_IPV6_DEVICE	0x100
+#define DDB_OPT_AUTO_SENDTGTS_DISABLE		0x40
 #define DDB_OPT_IPV6_NULL_LINK_LOCAL		0x800 /* post connection */
 #define DDB_OPT_IPV6_FW_DEFINED_LINK_LOCAL	0x800 /* pre connection */
 
@@ -591,6 +718,7 @@ struct dev_db_entry {
 	uint16_t tcp_options;	/* 0A-0B */
 	uint16_t ip_options;	/* 0C-0D */
 	uint16_t iscsi_max_rcv_data_seg_len;	/* 0E-0F */
+#define BYTE_UNITS	512
 	uint32_t res1;	/* 10-13 */
 	uint16_t iscsi_max_snd_data_seg_len;	/* 14-15 */
 	uint16_t iscsi_first_burst_len;	/* 16-17 */
@@ -627,7 +755,10 @@ struct dev_db_entry {
 	uint8_t tcp_rcv_wsf;	/* 1C7 */
 	uint32_t stat_sn;	/* 1C8-1CB */
 	uint32_t exp_stat_sn;	/* 1CC-1CF */
-	uint8_t res6[0x30];	/* 1D0-1FF */
+	uint8_t res6[0x2b];	/* 1D0-1FB */
+#define DDB_VALID_COOKIE	0x9034
+	uint16_t cookie;	/* 1FC-1FD */
+	uint16_t len;		/* 1FE-1FF */
 };
 
 /*************************************************************************/
@@ -639,6 +770,14 @@ struct dev_db_entry {
 #define FLASH_EOF_OFFSET	(FLASH_DEFAULTBLOCKSIZE-8) /* 4 bytes
 							    * for EOF
 							    * signature */
+#define FLASH_RAW_ACCESS_ADDR	0x8e000000
+
+#define BOOT_PARAM_OFFSET_PORT0 0x3b0
+#define BOOT_PARAM_OFFSET_PORT1 0x7b0
+
+#define FLASH_OFFSET_DB_INFO	0x05000000
+#define FLASH_OFFSET_DB_END	(FLASH_OFFSET_DB_INFO + 0x7fff)
+
 
 struct sys_info_phys_addr {
 	uint8_t address[6];	/* 00-05 */
@@ -774,6 +913,7 @@ struct qla4_header {
 
 	uint8_t entryStatus;
 	uint8_t systemDefined;
+#define SD_ISCSI_PDU	0x01
 	uint8_t entryCount;
 
 	/* SyetemDefined definition */
@@ -931,21 +1071,22 @@ struct passthru0 {
 	struct qla4_header hdr;		       /* 00-03 */
 	uint32_t handle;	/* 04-07 */
 	uint16_t target;	/* 08-09 */
-	uint16_t connectionID;	/* 0A-0B */
+	uint16_t connection_id;	/* 0A-0B */
 #define ISNS_DEFAULT_SERVER_CONN_ID	((uint16_t)0x8000)
 
-	uint16_t controlFlags;	/* 0C-0D */
+	uint16_t control_flags;	/* 0C-0D */
 #define PT_FLAG_ETHERNET_FRAME		0x8000
 #define PT_FLAG_ISNS_PDU		0x8000
 #define PT_FLAG_SEND_BUFFER		0x0200
 #define PT_FLAG_WAIT_4_RESPONSE		0x0100
+#define PT_FLAG_ISCSI_PDU		0x1000
 
 	uint16_t timeout;	/* 0E-0F */
 #define PT_DEFAULT_TIMEOUT		30 /* seconds */
 
-	struct data_seg_a64 outDataSeg64;	/* 10-1B */
+	struct data_seg_a64 out_dsd;    /* 10-1B */
 	uint32_t res1;		/* 1C-1F */
-	struct data_seg_a64 inDataSeg64;	/* 20-2B */
+	struct data_seg_a64 in_dsd;     /* 20-2B */
 	uint8_t res2[20];	/* 2C-3F */
 };
 
@@ -978,4 +1119,43 @@ struct response {
 #define RESPONSE_PROCESSED	0xDEADDEAD	/* Signature */
 };
 
+struct ql_iscsi_stats {
+	uint8_t reserved1[656]; /* 0000-028F */
+	uint32_t tx_cmd_pdu; /* 0290-0293 */
+	uint32_t tx_resp_pdu; /* 0294-0297 */
+	uint32_t rx_cmd_pdu; /* 0298-029B */
+	uint32_t rx_resp_pdu; /* 029C-029F */
+
+	uint64_t tx_data_octets; /* 02A0-02A7 */
+	uint64_t rx_data_octets; /* 02A8-02AF */
+
+	uint32_t hdr_digest_err; /* 02B0–02B3 */
+	uint32_t data_digest_err; /* 02B4–02B7 */
+	uint32_t conn_timeout_err; /* 02B8–02BB */
+	uint32_t framing_err; /* 02BC–02BF */
+
+	uint32_t tx_nopout_pdus; /* 02C0–02C3 */
+	uint32_t tx_scsi_cmd_pdus;  /* 02C4–02C7 */
+	uint32_t tx_tmf_cmd_pdus; /* 02C8–02CB */
+	uint32_t tx_login_cmd_pdus; /* 02CC–02CF */
+	uint32_t tx_text_cmd_pdus; /* 02D0–02D3 */
+	uint32_t tx_scsi_write_pdus; /* 02D4–02D7 */
+	uint32_t tx_logout_cmd_pdus; /* 02D8–02DB */
+	uint32_t tx_snack_req_pdus; /* 02DC–02DF */
+
+	uint32_t rx_nopin_pdus; /* 02E0–02E3 */
+	uint32_t rx_scsi_resp_pdus; /* 02E4–02E7 */
+	uint32_t rx_tmf_resp_pdus; /* 02E8–02EB */
+	uint32_t rx_login_resp_pdus; /* 02EC–02EF */
+	uint32_t rx_text_resp_pdus; /* 02F0–02F3 */
+	uint32_t rx_scsi_read_pdus; /* 02F4–02F7 */
+	uint32_t rx_logout_resp_pdus; /* 02F8–02FB */
+
+	uint32_t rx_r2t_pdus; /* 02FC–02FF */
+	uint32_t rx_async_pdus; /* 0300–0303 */
+	uint32_t rx_reject_pdus; /* 0304–0307 */
+
+	uint8_t reserved2[264]; /* 0x0308 - 0x040F */
+};
+
 #endif /*  _QLA4X_FW_H */
diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h
index a53a256c1f8d..160db9d5ea21 100644
--- a/drivers/scsi/qla4xxx/ql4_glbl.h
+++ b/drivers/scsi/qla4xxx/ql4_glbl.h
@@ -12,20 +12,15 @@ struct iscsi_cls_conn;
 
 int qla4xxx_hw_reset(struct scsi_qla_host *ha);
 int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a);
-int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port);
 int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb);
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
-			       uint8_t renew_ddb_list);
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha);
 int qla4xxx_soft_reset(struct scsi_qla_host *ha);
 irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id);
 
-void qla4xxx_free_ddb_list(struct scsi_qla_host *ha);
 void qla4xxx_free_ddb(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry);
 void qla4xxx_process_aen(struct scsi_qla_host *ha, uint8_t process_aen);
 
 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host *ha);
-int qla4xxx_relogin_device(struct scsi_qla_host *ha,
-			   struct ddb_entry *ddb_entry);
 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb);
 int qla4xxx_reset_lun(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry,
 		      int lun);
@@ -51,15 +46,24 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
 			    uint16_t *connection_id);
 
 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
-			  dma_addr_t fw_ddb_entry_dma);
-
-void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
-				 struct ddb_entry *ddb_entry);
+			  dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts);
+uint8_t qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+			 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma);
+int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
+				   uint16_t fw_ddb_index,
+				   uint16_t connection_id,
+				   uint16_t option);
+int qla4xxx_disable_acb(struct scsi_qla_host *ha);
+int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+		    uint32_t *mbox_sts, dma_addr_t acb_dma);
+int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
+		    uint32_t acb_type, uint32_t len);
+int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
+			 uint32_t ip_idx, uint32_t *sts);
+void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session);
 u16 rd_nvram_word(struct scsi_qla_host *ha, int offset);
+u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset);
 void qla4xxx_get_crash_record(struct scsi_qla_host *ha);
-struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha);
-int qla4xxx_add_sess(struct ddb_entry *);
-void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry);
 int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host *ha);
 int qla4xxx_about_firmware(struct scsi_qla_host *ha);
 void qla4xxx_interrupt_service_routine(struct scsi_qla_host *ha,
@@ -68,14 +72,13 @@ int qla4xxx_init_rings(struct scsi_qla_host *ha);
 void qla4xxx_srb_compl(struct kref *ref);
 struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
 		uint32_t index);
-int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha);
 int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		uint32_t state, uint32_t conn_error);
 void qla4xxx_dump_buffer(void *b, uint32_t size);
 int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha,
 	struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod);
-int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err);
-
+int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
+		      uint32_t offset, uint32_t length, uint32_t options);
 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
 		uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts);
 
@@ -95,6 +98,11 @@ void qla4xxx_wake_dpc(struct scsi_qla_host *ha);
 void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha);
 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha);
 void qla4xxx_dump_registers(struct scsi_qla_host *ha);
+uint8_t qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
+				  uint32_t *mbox_cmd,
+				  uint32_t *mbox_sts,
+				  struct addr_ctrl_blk *init_fw_cb,
+				  dma_addr_t init_fw_cb_dma);
 
 void qla4_8xxx_pci_config(struct scsi_qla_host *);
 int qla4_8xxx_iospace_config(struct scsi_qla_host *ha);
@@ -134,6 +142,37 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha);
 void qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha);
 void qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha);
 void qla4_8xxx_set_drv_active(struct scsi_qla_host *ha);
+int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index);
+int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
+			       struct ddb_entry *ddb_entry,
+			       struct iscsi_cls_conn *cls_conn,
+			       uint32_t *mbx_sts);
+int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
+			       struct ddb_entry *ddb_entry, int options);
+int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
+			  uint32_t *mbx_sts);
+int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index);
+int qla4xxx_send_passthru0(struct iscsi_task *task);
+int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
+			  uint16_t stats_size, dma_addr_t stats_dma);
+void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
+				       struct ddb_entry *ddb_entry);
+int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
+			    struct dev_db_entry *fw_ddb_entry,
+			    dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index);
+int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username,
+		     char *password, uint16_t idx);
+int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+		      uint32_t offset, uint32_t size);
+int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+		      uint32_t offset, uint32_t size);
+int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
+				     uint32_t region, uint32_t field0,
+				     uint32_t field1);
+
+/* BSG Functions */
+int qla4xxx_bsg_request(struct bsg_job *bsg_job);
+int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job);
 
 extern int ql4xextended_error_logging;
 extern int ql4xdontresethba;
diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 42ed5db2d530..3075fbaef553 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -11,9 +11,6 @@
 #include "ql4_dbg.h"
 #include "ql4_inline.h"
 
-static struct ddb_entry *qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
-					   uint32_t fw_ddb_index);
-
 static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
 {
 	uint32_t value;
@@ -48,41 +45,15 @@ static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
  * @ha: pointer to host adapter structure.
  * @ddb_entry: pointer to device database entry
  *
- * This routine deallocates and unlinks the specified ddb_entry from the
- * adapter's
+ * This routine marks a DDB entry INVALID
  **/
 void qla4xxx_free_ddb(struct scsi_qla_host *ha,
     struct ddb_entry *ddb_entry)
 {
-	/* Remove device entry from list */
-	list_del_init(&ddb_entry->list);
-
 	/* Remove device pointer from index mapping arrays */
 	ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] =
 		(struct ddb_entry *) INVALID_ENTRY;
 	ha->tot_ddbs--;
-
-	/* Free memory and scsi-ml struct for device entry */
-	qla4xxx_destroy_sess(ddb_entry);
-}
-
-/**
- * qla4xxx_free_ddb_list - deallocate all ddbs
- * @ha: pointer to host adapter structure.
- *
- * This routine deallocates and removes all devices on the sppecified adapter.
- **/
-void qla4xxx_free_ddb_list(struct scsi_qla_host *ha)
-{
-	struct list_head *ptr;
-	struct ddb_entry *ddb_entry;
-
-	while (!list_empty(&ha->ddb_list)) {
-		ptr = ha->ddb_list.next;
-		/* Free memory for device entry and remove */
-		ddb_entry = list_entry(ptr, struct ddb_entry, list);
-		qla4xxx_free_ddb(ha, ddb_entry);
-	}
 }
 
 /**
@@ -236,38 +207,44 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
 				    FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) {
 			ipv4_wait = 1;
 		}
-		if (((ha->ipv6_addl_options &
-			    IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
-		    ((ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) ||
-		     (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) ||
-		     (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING))) {
+		if (((ha->ip_config.ipv6_addl_options &
+		      IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) &&
+		    ((ha->ip_config.ipv6_link_local_state ==
+		      IP_ADDRSTATE_ACQUIRING) ||
+		     (ha->ip_config.ipv6_addr0_state ==
+		      IP_ADDRSTATE_ACQUIRING) ||
+		     (ha->ip_config.ipv6_addr1_state ==
+		      IP_ADDRSTATE_ACQUIRING))) {
 
 			ipv6_wait = 1;
 
-			if ((ha->ipv6_link_local_state ==
-						     IP_ADDRSTATE_PREFERRED) ||
-			    (ha->ipv6_addr0_state == IP_ADDRSTATE_PREFERRED) ||
-			    (ha->ipv6_addr1_state == IP_ADDRSTATE_PREFERRED)) {
+			if ((ha->ip_config.ipv6_link_local_state ==
+			     IP_ADDRSTATE_PREFERRED) ||
+			    (ha->ip_config.ipv6_addr0_state ==
+			     IP_ADDRSTATE_PREFERRED) ||
+			    (ha->ip_config.ipv6_addr1_state ==
+			     IP_ADDRSTATE_PREFERRED)) {
 				DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
 					      "Preferred IP configured."
 					      " Don't wait!\n", ha->host_no,
 					      __func__));
 				ipv6_wait = 0;
 			}
-			if (memcmp(&ha->ipv6_default_router_addr, ip_address,
-				IPv6_ADDR_LEN) == 0) {
+			if (memcmp(&ha->ip_config.ipv6_default_router_addr,
+				   ip_address, IPv6_ADDR_LEN) == 0) {
 				DEBUG2(printk(KERN_INFO "scsi%ld: %s: "
 					      "No Router configured. "
 					      "Don't wait!\n", ha->host_no,
 					      __func__));
 				ipv6_wait = 0;
 			}
-			if ((ha->ipv6_default_router_state ==
-						IPV6_RTRSTATE_MANUAL) &&
-			    (ha->ipv6_link_local_state ==
-						IP_ADDRSTATE_TENTATIVE) &&
-			    (memcmp(&ha->ipv6_link_local_addr,
-				    &ha->ipv6_default_router_addr, 4) == 0)) {
+			if ((ha->ip_config.ipv6_default_router_state ==
+			     IPV6_RTRSTATE_MANUAL) &&
+			    (ha->ip_config.ipv6_link_local_state ==
+			     IP_ADDRSTATE_TENTATIVE) &&
+			    (memcmp(&ha->ip_config.ipv6_link_local_addr,
+			     &ha->ip_config.ipv6_default_router_addr, 4) ==
+			     0)) {
 				DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
 					"IP configured. Don't wait!\n",
 					ha->host_no, __func__));
@@ -279,11 +256,14 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha)
 				      "IP(s) \"", ha->host_no, __func__));
 			if (ipv4_wait)
 				DEBUG2(printk("IPv4 "));
-			if (ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING)
+			if (ha->ip_config.ipv6_link_local_state ==
+			    IP_ADDRSTATE_ACQUIRING)
 				DEBUG2(printk("IPv6LinkLocal "));
-			if (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING)
+			if (ha->ip_config.ipv6_addr0_state ==
+			    IP_ADDRSTATE_ACQUIRING)
 				DEBUG2(printk("IPv6Addr0 "));
-			if (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING)
+			if (ha->ip_config.ipv6_addr1_state ==
+			    IP_ADDRSTATE_ACQUIRING)
 				DEBUG2(printk("IPv6Addr1 "));
 			DEBUG2(printk("\"\n"));
 		}
@@ -466,486 +446,19 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
 	return qla4xxx_get_firmware_status(ha);
 }
 
-static struct ddb_entry* qla4xxx_get_ddb_entry(struct scsi_qla_host *ha,
-						uint32_t fw_ddb_index,
-						uint32_t *new_tgt)
-{
-	struct dev_db_entry *fw_ddb_entry = NULL;
-	dma_addr_t fw_ddb_entry_dma;
-	struct ddb_entry *ddb_entry = NULL;
-	int found = 0;
-	uint32_t device_state;
-
-	*new_tgt = 0;
-	/* Make sure the dma buffer is valid */
-	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
-					  sizeof(*fw_ddb_entry),
-					  &fw_ddb_entry_dma, GFP_KERNEL);
-	if (fw_ddb_entry == NULL) {
-		DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
-			      ha->host_no, __func__));
-		goto exit_get_ddb_entry_no_free;
-	}
-
-	if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
-				    fw_ddb_entry_dma, NULL, NULL,
-				    &device_state, NULL, NULL, NULL) ==
-				    QLA_ERROR) {
-		DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for "
-			      "fw_ddb_index %d\n", ha->host_no, __func__,
-			      fw_ddb_index));
-		goto exit_get_ddb_entry;
-	}
-
-	/* Allocate DDB if not already allocated. */
-	DEBUG2(printk("scsi%ld: %s: Looking for ddb[%d]\n", ha->host_no,
-		      __func__, fw_ddb_index));
-	list_for_each_entry(ddb_entry, &ha->ddb_list, list) {
-		if ((memcmp(ddb_entry->iscsi_name, fw_ddb_entry->iscsi_name,
-			   ISCSI_NAME_SIZE) == 0) &&
-			(ddb_entry->tpgt ==
-				le32_to_cpu(fw_ddb_entry->tgt_portal_grp)) &&
-			(memcmp(ddb_entry->isid, fw_ddb_entry->isid,
-				sizeof(ddb_entry->isid)) == 0)) {
-			found++;
-			break;
-		}
-	}
-
-	/* if not found allocate new ddb */
-	if (!found) {
-		DEBUG2(printk("scsi%ld: %s: ddb[%d] not found - allocating "
-			      "new ddb\n", ha->host_no, __func__,
-			      fw_ddb_index));
-		*new_tgt = 1;
-		ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index);
-	}
-
-exit_get_ddb_entry:
-	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
-			  fw_ddb_entry_dma);
-
-exit_get_ddb_entry_no_free:
-	return ddb_entry;
-}
-
-/**
- * qla4xxx_update_ddb_entry - update driver's internal ddb
- * @ha: pointer to host adapter structure.
- * @ddb_entry: pointer to device database structure to be filled
- * @fw_ddb_index: index of the ddb entry in fw ddb table
- *
- * This routine updates the driver's internal device database entry
- * with information retrieved from the firmware's device database
- * entry for the specified device. The ddb_entry->fw_ddb_index field
- * must be initialized prior to	calling this routine
- *
- **/
-static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha,
-				    struct ddb_entry *ddb_entry,
-				    uint32_t fw_ddb_index)
-{
-	struct dev_db_entry *fw_ddb_entry = NULL;
-	dma_addr_t fw_ddb_entry_dma;
-	int status = QLA_ERROR;
-	uint32_t conn_err;
-
-	if (ddb_entry == NULL) {
-		DEBUG2(printk("scsi%ld: %s: ddb_entry is NULL\n", ha->host_no,
-			      __func__));
-
-		goto exit_update_ddb_no_free;
-	}
-
-	/* Make sure the dma buffer is valid */
-	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
-					  sizeof(*fw_ddb_entry),
-					  &fw_ddb_entry_dma, GFP_KERNEL);
-	if (fw_ddb_entry == NULL) {
-		DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
-			      ha->host_no, __func__));
-
-		goto exit_update_ddb_no_free;
-	}
-
-	if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
-				    fw_ddb_entry_dma, NULL, NULL,
-				    &ddb_entry->fw_ddb_device_state, &conn_err,
-				    &ddb_entry->tcp_source_port_num,
-				    &ddb_entry->connection_id) ==
-				    QLA_ERROR) {
-		DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for "
-			      "fw_ddb_index %d\n", ha->host_no, __func__,
-			      fw_ddb_index));
-
-		goto exit_update_ddb;
-	}
-
-	status = QLA_SUCCESS;
-	ddb_entry->options = le16_to_cpu(fw_ddb_entry->options);
-	ddb_entry->target_session_id = le16_to_cpu(fw_ddb_entry->tsid);
-	ddb_entry->task_mgmt_timeout =
-		le16_to_cpu(fw_ddb_entry->def_timeout);
-	ddb_entry->CmdSn = 0;
-	ddb_entry->exe_throttle = le16_to_cpu(fw_ddb_entry->exec_throttle);
-	ddb_entry->default_relogin_timeout =
-		le16_to_cpu(fw_ddb_entry->def_timeout);
-	ddb_entry->default_time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
-
-	/* Update index in case it changed */
-	ddb_entry->fw_ddb_index = fw_ddb_index;
-	ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry;
-
-	ddb_entry->port = le16_to_cpu(fw_ddb_entry->port);
-	ddb_entry->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
-	memcpy(ddb_entry->isid, fw_ddb_entry->isid, sizeof(ddb_entry->isid));
-
-	memcpy(&ddb_entry->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
-	       min(sizeof(ddb_entry->iscsi_name),
-		   sizeof(fw_ddb_entry->iscsi_name)));
-	memcpy(&ddb_entry->iscsi_alias[0], &fw_ddb_entry->iscsi_alias[0],
-	       min(sizeof(ddb_entry->iscsi_alias),
-		   sizeof(fw_ddb_entry->iscsi_alias)));
-	memcpy(&ddb_entry->ip_addr[0], &fw_ddb_entry->ip_addr[0],
-	       min(sizeof(ddb_entry->ip_addr), sizeof(fw_ddb_entry->ip_addr)));
-
-	ddb_entry->iscsi_max_burst_len = fw_ddb_entry->iscsi_max_burst_len;
-	ddb_entry->iscsi_max_outsnd_r2t = fw_ddb_entry->iscsi_max_outsnd_r2t;
-	ddb_entry->iscsi_first_burst_len = fw_ddb_entry->iscsi_first_burst_len;
-	ddb_entry->iscsi_max_rcv_data_seg_len =
-				fw_ddb_entry->iscsi_max_rcv_data_seg_len;
-	ddb_entry->iscsi_max_snd_data_seg_len =
-				fw_ddb_entry->iscsi_max_snd_data_seg_len;
-
-	if (ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
-		memcpy(&ddb_entry->remote_ipv6_addr,
-			fw_ddb_entry->ip_addr,
-			min(sizeof(ddb_entry->remote_ipv6_addr),
-			sizeof(fw_ddb_entry->ip_addr)));
-		memcpy(&ddb_entry->link_local_ipv6_addr,
-			fw_ddb_entry->link_local_ipv6_addr,
-			min(sizeof(ddb_entry->link_local_ipv6_addr),
-			sizeof(fw_ddb_entry->link_local_ipv6_addr)));
-
-		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x"
-					" ConnErr %08x IP %pI6 "
-					":%04d \"%s\"\n",
-					__func__, fw_ddb_index,
-					ddb_entry->fw_ddb_device_state,
-					conn_err, fw_ddb_entry->ip_addr,
-					le16_to_cpu(fw_ddb_entry->port),
-					fw_ddb_entry->iscsi_name));
-	} else
-		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x"
-					" ConnErr %08x IP %pI4 "
-					":%04d \"%s\"\n",
-					__func__, fw_ddb_index,
-					ddb_entry->fw_ddb_device_state,
-					conn_err, fw_ddb_entry->ip_addr,
-					le16_to_cpu(fw_ddb_entry->port),
-					fw_ddb_entry->iscsi_name));
-exit_update_ddb:
-	if (fw_ddb_entry)
-		dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
-				  fw_ddb_entry, fw_ddb_entry_dma);
-
-exit_update_ddb_no_free:
-	return status;
-}
-
-/**
- * qla4xxx_alloc_ddb - allocate device database entry
- * @ha: Pointer to host adapter structure.
- * @fw_ddb_index: Firmware's device database index
- *
- * This routine allocates a ddb_entry, ititializes some values, and
- * inserts it into the ddb list.
- **/
-static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha,
-					    uint32_t fw_ddb_index)
+static void qla4xxx_set_model_info(struct scsi_qla_host *ha)
 {
-	struct ddb_entry *ddb_entry;
-
-	DEBUG2(printk("scsi%ld: %s: fw_ddb_index [%d]\n", ha->host_no,
-		      __func__, fw_ddb_index));
-
-	ddb_entry = qla4xxx_alloc_sess(ha);
-	if (ddb_entry == NULL) {
-		DEBUG2(printk("scsi%ld: %s: Unable to allocate memory "
-			      "to add fw_ddb_index [%d]\n",
-			      ha->host_no, __func__, fw_ddb_index));
-		return ddb_entry;
-	}
+	uint16_t board_id_string[8];
+	int i;
+	int size = sizeof(ha->nvram->isp4022.boardIdStr);
+	int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2;
 
-	ddb_entry->fw_ddb_index = fw_ddb_index;
-	atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
-	atomic_set(&ddb_entry->relogin_timer, 0);
-	atomic_set(&ddb_entry->relogin_retry_count, 0);
-	atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
-	list_add_tail(&ddb_entry->list, &ha->ddb_list);
-	ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry;
-	ha->tot_ddbs++;
-
-	return ddb_entry;
-}
-
-/**
- * qla4_is_relogin_allowed - Are we allowed to login?
- * @ha: Pointer to host adapter structure.
- * @conn_err: Last connection error associated with the ddb
- *
- * This routine tests the given connection error to determine if
- * we are allowed to login.
- **/
-int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err)
-{
-	uint32_t err_code, login_rsp_sts_class;
-	int relogin = 1;
-
-	err_code = ((conn_err & 0x00ff0000) >> 16);
-	login_rsp_sts_class = ((conn_err & 0x0000ff00) >> 8);
-	if (err_code == 0x1c || err_code == 0x06) {
-		DEBUG2(ql4_printk(KERN_INFO, ha,
-		    ": conn_err=0x%08x, send target completed"
-		    " or access denied failure\n", conn_err));
-		relogin = 0;
-	}
-	if ((err_code == 0x08) && (login_rsp_sts_class == 0x02)) {
-		/* Login Response PDU returned an error.
-		   Login Response Status in Error Code Detail
-		   indicates login should not be retried.*/
-		DEBUG2(ql4_printk(KERN_INFO, ha,
-		    ": conn_err=0x%08x, do not retry relogin\n",
-		    conn_err));
-		relogin = 0;
+	for (i = 0; i < (size / 2) ; i++) {
+		board_id_string[i] = rd_nvram_word(ha, offset);
+		offset += 1;
 	}
 
-	return relogin;
-}
-
-static void qla4xxx_flush_AENS(struct scsi_qla_host *ha)
-{
-	unsigned long wtime;
-
-	/* Flush the 0x8014 AEN from the firmware as a result of
-	 * Auto connect. We are basically doing get_firmware_ddb()
-	 * to determine whether we need to log back in or not.
-	 * Trying to do a set ddb before we have processed 0x8014
-	 * will result in another set_ddb() for the same ddb. In other
-	 * words there will be stale entries in the aen_q.
-	 */
-	wtime = jiffies + (2 * HZ);
-	do {
-		if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS)
-			if (ha->firmware_state & (BIT_2 | BIT_0))
-				return;
-
-		if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
-			qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
-
-		msleep(1000);
-	} while (!time_after_eq(jiffies, wtime));
-}
-
-/**
- * qla4xxx_build_ddb_list - builds driver ddb list
- * @ha: Pointer to host adapter structure.
- *
- * This routine searches for all valid firmware ddb entries and builds
- * an internal ddb list. Ddbs that are considered valid are those with
- * a device state of SESSION_ACTIVE.
- * A relogin (set_ddb) is issued for DDBs that are not online.
- **/
-static int qla4xxx_build_ddb_list(struct scsi_qla_host *ha)
-{
-	int status = QLA_ERROR;
-	uint32_t fw_ddb_index = 0;
-	uint32_t next_fw_ddb_index = 0;
-	uint32_t ddb_state;
-	uint32_t conn_err;
-	struct ddb_entry *ddb_entry;
-	struct dev_db_entry *fw_ddb_entry = NULL;
-	dma_addr_t fw_ddb_entry_dma;
-	uint32_t ipv6_device;
-	uint32_t new_tgt;
-
-	qla4xxx_flush_AENS(ha);
-
-	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
-			&fw_ddb_entry_dma, GFP_KERNEL);
-	if (fw_ddb_entry == NULL) {
-		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DMA alloc failed\n",
-				__func__));
-
-		goto exit_build_ddb_list_no_free;
-	}
-
-	ql4_printk(KERN_INFO, ha, "Initializing DDBs ...\n");
-	for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES;
-	     fw_ddb_index = next_fw_ddb_index) {
-		/* First, let's see if a device exists here */
-		if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry,
-					    0, NULL, &next_fw_ddb_index,
-					    &ddb_state, &conn_err,
-					    NULL, NULL) ==
-					    QLA_ERROR) {
-			DEBUG2(printk("scsi%ld: %s: get_ddb_entry, "
-				      "fw_ddb_index %d failed", ha->host_no,
-				      __func__, fw_ddb_index));
-			goto exit_build_ddb_list;
-		}
-
-		DEBUG2(printk("scsi%ld: %s: Getting DDB[%d] ddbstate=0x%x, "
-			      "next_fw_ddb_index=%d.\n", ha->host_no, __func__,
-			      fw_ddb_index, ddb_state, next_fw_ddb_index));
-
-		/* Issue relogin, if necessary. */
-		if (ddb_state == DDB_DS_SESSION_FAILED ||
-		    ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) {
-			/* Try and login to device */
-			DEBUG2(printk("scsi%ld: %s: Login to DDB[%d]\n",
-				      ha->host_no, __func__, fw_ddb_index));
-			ipv6_device = le16_to_cpu(fw_ddb_entry->options) &
-					DDB_OPT_IPV6_DEVICE;
-			if (qla4_is_relogin_allowed(ha, conn_err) &&
-					((!ipv6_device &&
-					  *((uint32_t *)fw_ddb_entry->ip_addr))
-					 || ipv6_device)) {
-				qla4xxx_set_ddb_entry(ha, fw_ddb_index, 0);
-				if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index,
-							NULL, 0, NULL,
-							&next_fw_ddb_index,
-							&ddb_state, &conn_err,
-							NULL, NULL)
-						== QLA_ERROR) {
-					DEBUG2(printk("scsi%ld: %s:"
-						"get_ddb_entry %d failed\n",
-						ha->host_no,
-						__func__, fw_ddb_index));
-					goto exit_build_ddb_list;
-				}
-			}
-		}
-
-		if (ddb_state != DDB_DS_SESSION_ACTIVE)
-			goto next_one;
-		/*
-		 * if fw_ddb with session active state found,
-		 * add to ddb_list
-		 */
-		DEBUG2(printk("scsi%ld: %s: DDB[%d] added to list\n",
-			      ha->host_no, __func__, fw_ddb_index));
-
-		/* Add DDB to internal our ddb list. */
-		ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt);
-		if (ddb_entry == NULL) {
-			DEBUG2(printk("scsi%ld: %s: Unable to allocate memory "
-				      "for device at fw_ddb_index %d\n",
-				      ha->host_no, __func__, fw_ddb_index));
-			goto exit_build_ddb_list;
-		}
-		/* Fill in the device structure */
-		if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) ==
-		    QLA_ERROR) {
-			ha->fw_ddb_index_map[fw_ddb_index] =
-				(struct ddb_entry *)INVALID_ENTRY;
-
-			DEBUG2(printk("scsi%ld: %s: update_ddb_entry failed "
-				      "for fw_ddb_index %d.\n",
-				      ha->host_no, __func__, fw_ddb_index));
-			goto exit_build_ddb_list;
-		}
-
-next_one:
-		/* We know we've reached the last device when
-		 * next_fw_ddb_index is 0 */
-		if (next_fw_ddb_index == 0)
-			break;
-	}
-
-	status = QLA_SUCCESS;
-	ql4_printk(KERN_INFO, ha, "DDB list done..\n");
-
-exit_build_ddb_list:
-	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
-		fw_ddb_entry_dma);
-
-exit_build_ddb_list_no_free:
-	return status;
-}
-
-static int qla4xxx_initialize_ddb_list(struct scsi_qla_host *ha)
-{
-	uint16_t fw_ddb_index;
-	int status = QLA_SUCCESS;
-
-	/* free the ddb list if is not empty */
-	if (!list_empty(&ha->ddb_list))
-		qla4xxx_free_ddb_list(ha);
-
-	for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES; fw_ddb_index++)
-		ha->fw_ddb_index_map[fw_ddb_index] =
-		    (struct ddb_entry *)INVALID_ENTRY;
-
-	ha->tot_ddbs = 0;
-
-	/* Perform device discovery and build ddb list. */
-	status = qla4xxx_build_ddb_list(ha);
-
-	return status;
-}
-
-/**
- * qla4xxx_reinitialize_ddb_list - update the driver ddb list
- * @ha: pointer to host adapter structure.
- *
- * This routine obtains device information from the F/W database after
- * firmware or adapter resets.  The device table is preserved.
- **/
-int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha)
-{
-	int status = QLA_SUCCESS;
-	struct ddb_entry *ddb_entry, *detemp;
-
-	/* Update the device information for all devices. */
-	list_for_each_entry_safe(ddb_entry, detemp, &ha->ddb_list, list) {
-		qla4xxx_update_ddb_entry(ha, ddb_entry,
-					 ddb_entry->fw_ddb_index);
-		if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
-			atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
-			DEBUG2(printk ("scsi%ld: %s: ddb index [%d] marked "
-				       "ONLINE\n", ha->host_no, __func__,
-				       ddb_entry->fw_ddb_index));
-			iscsi_unblock_session(ddb_entry->sess);
-		} else if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
-			qla4xxx_mark_device_missing(ha, ddb_entry);
-	}
-	return status;
-}
-
-/**
- * qla4xxx_relogin_device - re-establish session
- * @ha: Pointer to host adapter structure.
- * @ddb_entry: Pointer to device database entry
- *
- * This routine does a session relogin with the specified device.
- * The ddb entry must be assigned prior to making this call.
- **/
-int qla4xxx_relogin_device(struct scsi_qla_host *ha,
-			   struct ddb_entry * ddb_entry)
-{
-	uint16_t relogin_timer;
-
-	relogin_timer = max(ddb_entry->default_relogin_timeout,
-			    (uint16_t)RELOGIN_TOV);
-	atomic_set(&ddb_entry->relogin_timer, relogin_timer);
-
-	DEBUG2(printk("scsi%ld: Relogin ddb [%d]. TOV=%d\n", ha->host_no,
-		      ddb_entry->fw_ddb_index, relogin_timer));
-
-	qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 0);
-
-	return QLA_SUCCESS;
+	memcpy(ha->model_name, board_id_string, size);
 }
 
 static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
@@ -983,6 +496,12 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha)
 		else
 			return QLA_ERROR;
 	}
+
+	if (is_qla4022(ha) || is_qla4032(ha))
+		qla4xxx_set_model_info(ha);
+	else
+		strcpy(ha->model_name, "QLA4010");
+
 	DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
 		     ha->host_no, __func__, extHwConfig.Asuint32_t));
 
@@ -1246,23 +765,56 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha)
 	}
 	return status;
 }
+/**
+ * qla4xxx_free_ddb_index - Free DDBs reserved by firmware
+ * @ha: pointer to adapter structure
+ *
+ * Since firmware is not running in autoconnect mode the DDB indices should
+ * be freed so that when login happens from user space there are free DDB
+ * indices available.
+ **/
+static void qla4xxx_free_ddb_index(struct scsi_qla_host *ha)
+{
+	int max_ddbs;
+	int ret;
+	uint32_t idx = 0, next_idx = 0;
+	uint32_t state = 0, conn_err = 0;
+
+	max_ddbs =  is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
+				     MAX_DEV_DB_ENTRIES;
+
+	for (idx = 0; idx < max_ddbs; idx = next_idx) {
+		ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
+					      &next_idx, &state, &conn_err,
+						NULL, NULL);
+		if (ret == QLA_ERROR)
+			continue;
+		if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
+		    state == DDB_DS_SESSION_FAILED) {
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+					  "Freeing DDB index = 0x%x\n", idx));
+			ret = qla4xxx_clear_ddb_entry(ha, idx);
+			if (ret == QLA_ERROR)
+				ql4_printk(KERN_ERR, ha,
+					   "Unable to clear DDB index = "
+					   "0x%x\n", idx);
+		}
+		if (next_idx == 0)
+			break;
+	}
+}
 
 
 /**
  * qla4xxx_initialize_adapter - initiailizes hba
  * @ha: Pointer to host adapter structure.
- * @renew_ddb_list: Indicates what to do with the adapter's ddb list
- *	after adapter recovery has completed.
- *	0=preserve ddb list, 1=destroy and rebuild ddb list
  *
  * This routine parforms all of the steps necessary to initialize the adapter.
  *
  **/
-int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
-			       uint8_t renew_ddb_list)
+int qla4xxx_initialize_adapter(struct scsi_qla_host *ha)
 {
 	int status = QLA_ERROR;
-	int8_t ip_address[IP_ADDR_LEN] = {0} ;
 
 	ha->eeprom_cmd_data = 0;
 
@@ -1288,47 +840,8 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha,
 	if (status == QLA_ERROR)
 		goto exit_init_hba;
 
-	/*
-	 * FW is waiting to get an IP address from DHCP server: Skip building
-	 * the ddb_list and wait for DHCP lease acquired aen to come in
-	 * followed by 0x8014 aen" to trigger the tgt discovery process.
-	 */
-	if (ha->firmware_state & FW_STATE_CONFIGURING_IP)
-		goto exit_init_online;
-
-	/* Skip device discovery if ip and subnet is zero */
-	if (memcmp(ha->ip_address, ip_address, IP_ADDR_LEN) == 0 ||
-	    memcmp(ha->subnet_mask, ip_address, IP_ADDR_LEN) == 0)
-		goto exit_init_online;
+	qla4xxx_free_ddb_index(ha);
 
-	if (renew_ddb_list == PRESERVE_DDB_LIST) {
-		/*
-		 * We want to preserve lun states (i.e. suspended, etc.)
-		 * for recovery initiated by the driver.  So just update
-		 * the device states for the existing ddb_list.
-		 */
-		qla4xxx_reinitialize_ddb_list(ha);
-	} else if (renew_ddb_list == REBUILD_DDB_LIST) {
-		/*
-		 * We want to build the ddb_list from scratch during
-		 * driver initialization and recovery initiated by the
-		 * INT_HBA_RESET IOCTL.
-		 */
-		status = qla4xxx_initialize_ddb_list(ha);
-		if (status == QLA_ERROR) {
-			DEBUG2(printk("%s(%ld) Error occurred during build"
-				      "ddb list\n", __func__, ha->host_no));
-			goto exit_init_hba;
-		}
-
-	}
-	if (!ha->tot_ddbs) {
-		DEBUG2(printk("scsi%ld: Failed to initialize devices or none "
-			      "present in Firmware device database\n",
-			      ha->host_no));
-	}
-
-exit_init_online:
 	set_bit(AF_ONLINE, &ha->flags);
 exit_init_hba:
 	if (is_qla8022(ha) && (status == QLA_ERROR)) {
@@ -1343,61 +856,6 @@ exit_init_hba:
 }
 
 /**
- * qla4xxx_add_device_dynamically - ddb addition due to an AEN
- * @ha:  Pointer to host adapter structure.
- * @fw_ddb_index:  Firmware's device database index
- *
- * This routine processes adds a device as a result of an 8014h AEN.
- **/
-static void qla4xxx_add_device_dynamically(struct scsi_qla_host *ha,
-					   uint32_t fw_ddb_index)
-{
-	struct ddb_entry * ddb_entry;
-	uint32_t new_tgt;
-
-	/* First allocate a device structure */
-	ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt);
-	if (ddb_entry == NULL) {
-		DEBUG2(printk(KERN_WARNING
-			      "scsi%ld: Unable to allocate memory to add "
-			      "fw_ddb_index %d\n", ha->host_no, fw_ddb_index));
-		return;
-	}
-
-	if (!new_tgt && (ddb_entry->fw_ddb_index != fw_ddb_index)) {
-		/* Target has been bound to a new fw_ddb_index */
-		qla4xxx_free_ddb(ha, ddb_entry);
-		ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index);
-		if (ddb_entry == NULL) {
-			DEBUG2(printk(KERN_WARNING
-				"scsi%ld: Unable to allocate memory"
-				" to add fw_ddb_index %d\n",
-				ha->host_no, fw_ddb_index));
-			return;
-		}
-	}
-	if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) ==
-				    QLA_ERROR) {
-		ha->fw_ddb_index_map[fw_ddb_index] =
-					(struct ddb_entry *)INVALID_ENTRY;
-		DEBUG2(printk(KERN_WARNING
-			      "scsi%ld: failed to add new device at index "
-			      "[%d]\n Unable to retrieve fw ddb entry\n",
-			      ha->host_no, fw_ddb_index));
-		qla4xxx_free_ddb(ha, ddb_entry);
-		return;
-	}
-
-	if (qla4xxx_add_sess(ddb_entry)) {
-		DEBUG2(printk(KERN_WARNING
-			      "scsi%ld: failed to add new device at index "
-			      "[%d]\n Unable to add connection and session\n",
-			      ha->host_no, fw_ddb_index));
-		qla4xxx_free_ddb(ha, ddb_entry);
-	}
-}
-
-/**
  * qla4xxx_process_ddb_changed - process ddb state change
  * @ha - Pointer to host adapter structure.
  * @fw_ddb_index - Firmware's device database index
@@ -1409,88 +867,94 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index,
 		uint32_t state, uint32_t conn_err)
 {
 	struct ddb_entry * ddb_entry;
+	uint32_t old_fw_ddb_device_state;
+	int status = QLA_ERROR;
 
 	/* check for out of range index */
 	if (fw_ddb_index >= MAX_DDB_ENTRIES)
-		return QLA_ERROR;
+		goto exit_ddb_event;
 
 	/* Get the corresponging ddb entry */
 	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
 	/* Device does not currently exist in our database. */
 	if (ddb_entry == NULL) {
-		if (state == DDB_DS_SESSION_ACTIVE)
-			qla4xxx_add_device_dynamically(ha, fw_ddb_index);
-		return QLA_SUCCESS;
+		ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n",
+			   __func__, fw_ddb_index);
+
+		if (state == DDB_DS_NO_CONNECTION_ACTIVE)
+			clear_bit(fw_ddb_index, ha->ddb_idx_map);
+
+		goto exit_ddb_event;
 	}
 
-	/* Device already exists in our database. */
-	DEBUG2(printk("scsi%ld: %s DDB - old state= 0x%x, new state=0x%x for "
-		      "index [%d]\n", ha->host_no, __func__,
-		      ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
+	old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state;
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "%s: DDB - old state = 0x%x, new state = 0x%x for "
+			  "index [%d]\n", __func__,
+			  ddb_entry->fw_ddb_device_state, state, fw_ddb_index));
 
 	ddb_entry->fw_ddb_device_state = state;
-	/* Device is back online. */
-	if ((ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) &&
-	   (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)) {
-		atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
-		atomic_set(&ddb_entry->relogin_retry_count, 0);
-		atomic_set(&ddb_entry->relogin_timer, 0);
-		clear_bit(DF_RELOGIN, &ddb_entry->flags);
-		iscsi_unblock_session(ddb_entry->sess);
-		iscsi_session_event(ddb_entry->sess,
-				    ISCSI_KEVENT_CREATE_SESSION);
-		/*
-		 * Change the lun state to READY in case the lun TIMEOUT before
-		 * the device came back.
-		 */
-	} else if (ddb_entry->fw_ddb_device_state != DDB_DS_SESSION_ACTIVE) {
-		/* Device went away, mark device missing */
-		if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) {
-			DEBUG2(ql4_printk(KERN_INFO, ha, "%s mark missing "
-					"ddb_entry 0x%p sess 0x%p conn 0x%p\n",
-					__func__, ddb_entry,
-					ddb_entry->sess, ddb_entry->conn));
-			qla4xxx_mark_device_missing(ha, ddb_entry);
-		}
 
-		/*
-		 * Relogin if device state changed to a not active state.
-		 * However, do not relogin if a RELOGIN is in process, or
-		 * we are not allowed to relogin to this DDB.
-		 */
-		if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_FAILED &&
-		    !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
-		    qla4_is_relogin_allowed(ha, conn_err)) {
+	switch (old_fw_ddb_device_state) {
+	case DDB_DS_LOGIN_IN_PROCESS:
+		switch (state) {
+		case DDB_DS_SESSION_ACTIVE:
+		case DDB_DS_DISCOVERY:
+			iscsi_conn_start(ddb_entry->conn);
+			iscsi_conn_login_event(ddb_entry->conn,
+					       ISCSI_CONN_STATE_LOGGED_IN);
+			qla4xxx_update_session_conn_param(ha, ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_SESSION_FAILED:
+		case DDB_DS_NO_CONNECTION_ACTIVE:
+			iscsi_conn_login_event(ddb_entry->conn,
+					       ISCSI_CONN_STATE_FREE);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	case DDB_DS_SESSION_ACTIVE:
+		switch (state) {
+		case DDB_DS_SESSION_FAILED:
 			/*
-			 * This triggers a relogin.  After the relogin_timer
-			 * expires, the relogin gets scheduled.	 We must wait a
-			 * minimum amount of time since receiving an 0x8014 AEN
-			 * with failed device_state or a logout response before
-			 * we can issue another relogin.
+			 * iscsi_session failure  will cause userspace to
+			 * stop the connection which in turn would block the
+			 * iscsi_session and start relogin
 			 */
-			/* Firmware pads this timeout: (time2wait +1).
-			 * Driver retry to login should be longer than F/W.
-			 * Otherwise F/W will fail
-			 * set_ddb() mbx cmd with 0x4005 since it still
-			 * counting down its time2wait.
-			 */
-			atomic_set(&ddb_entry->relogin_timer, 0);
-			atomic_set(&ddb_entry->retry_relogin_timer,
-				   ddb_entry->default_time2wait + 4);
-			DEBUG(printk("scsi%ld: %s: ddb[%d] "
-			    "initiate relogin after %d seconds\n",
-			    ha->host_no, __func__,
-			    ddb_entry->fw_ddb_index,
-			    ddb_entry->default_time2wait + 4));
-		} else {
-			DEBUG(printk("scsi%ld: %s: ddb[%d] "
-			    "relogin not initiated, state = %d, "
-			    "ddb_entry->flags = 0x%lx\n",
-			    ha->host_no, __func__,
-			    ddb_entry->fw_ddb_index,
-			    ddb_entry->fw_ddb_device_state,
-			    ddb_entry->flags));
+			iscsi_session_failure(ddb_entry->sess->dd_data,
+					      ISCSI_ERR_CONN_FAILED);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_NO_CONNECTION_ACTIVE:
+			clear_bit(fw_ddb_index, ha->ddb_idx_map);
+			status = QLA_SUCCESS;
+			break;
+		}
+		break;
+	case DDB_DS_SESSION_FAILED:
+		switch (state) {
+		case DDB_DS_SESSION_ACTIVE:
+		case DDB_DS_DISCOVERY:
+			iscsi_conn_start(ddb_entry->conn);
+			iscsi_conn_login_event(ddb_entry->conn,
+					       ISCSI_CONN_STATE_LOGGED_IN);
+			qla4xxx_update_session_conn_param(ha, ddb_entry);
+			status = QLA_SUCCESS;
+			break;
+		case DDB_DS_SESSION_FAILED:
+			iscsi_session_failure(ddb_entry->sess->dd_data,
+					      ISCSI_ERR_CONN_FAILED);
+			status = QLA_SUCCESS;
+			break;
 		}
+		break;
+	default:
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n",
+				__func__));
+		break;
 	}
-	return QLA_SUCCESS;
+
+exit_ddb_event:
+	return status;
 }
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index 75fcd82a8fca..410669351906 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -313,10 +313,8 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
 	cmd_entry->hdr.entryType = ET_COMMAND;
 	cmd_entry->handle = cpu_to_le32(index);
 	cmd_entry->target = cpu_to_le16(ddb_entry->fw_ddb_index);
-	cmd_entry->connection_id = cpu_to_le16(ddb_entry->connection_id);
 
 	int_to_scsilun(cmd->device->lun, &cmd_entry->lun);
-	cmd_entry->cmdSeqNum = cpu_to_le32(ddb_entry->CmdSn);
 	cmd_entry->ttlByteCnt = cpu_to_le32(scsi_bufflen(cmd));
 	memcpy(cmd_entry->cdb, cmd->cmnd, cmd->cmd_len);
 	cmd_entry->dataSegCnt = cpu_to_le16(tot_dsds);
@@ -381,3 +379,69 @@ queuing_error:
 	return QLA_ERROR;
 }
 
+int qla4xxx_send_passthru0(struct iscsi_task *task)
+{
+	struct passthru0 *passthru_iocb;
+	struct iscsi_session *sess = task->conn->session;
+	struct ddb_entry *ddb_entry = sess->dd_data;
+	struct scsi_qla_host *ha = ddb_entry->ha;
+	struct ql4_task_data *task_data = task->dd_data;
+	uint16_t ctrl_flags = 0;
+	unsigned long flags;
+	int ret = QLA_ERROR;
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	task_data->iocb_req_cnt = 1;
+	/* Put the IOCB on the request queue */
+	if (!qla4xxx_space_in_req_ring(ha, task_data->iocb_req_cnt))
+		goto queuing_error;
+
+	passthru_iocb = (struct passthru0 *) ha->request_ptr;
+
+	memset(passthru_iocb, 0, sizeof(struct passthru0));
+	passthru_iocb->hdr.entryType = ET_PASSTHRU0;
+	passthru_iocb->hdr.systemDefined = SD_ISCSI_PDU;
+	passthru_iocb->hdr.entryCount = task_data->iocb_req_cnt;
+	passthru_iocb->handle = task->itt;
+	passthru_iocb->target = cpu_to_le16(ddb_entry->fw_ddb_index);
+	passthru_iocb->timeout = cpu_to_le16(PT_DEFAULT_TIMEOUT);
+
+	/* Setup the out & in DSDs */
+	if (task_data->req_len) {
+		memcpy((uint8_t *)task_data->req_buffer +
+		       sizeof(struct iscsi_hdr), task->data, task->data_count);
+		ctrl_flags |= PT_FLAG_SEND_BUFFER;
+		passthru_iocb->out_dsd.base.addrLow =
+					cpu_to_le32(LSDW(task_data->req_dma));
+		passthru_iocb->out_dsd.base.addrHigh =
+					cpu_to_le32(MSDW(task_data->req_dma));
+		passthru_iocb->out_dsd.count =
+					cpu_to_le32(task->data_count +
+						    sizeof(struct iscsi_hdr));
+	}
+	if (task_data->resp_len) {
+		passthru_iocb->in_dsd.base.addrLow =
+					cpu_to_le32(LSDW(task_data->resp_dma));
+		passthru_iocb->in_dsd.base.addrHigh =
+					cpu_to_le32(MSDW(task_data->resp_dma));
+		passthru_iocb->in_dsd.count =
+			cpu_to_le32(task_data->resp_len);
+	}
+
+	ctrl_flags |= (PT_FLAG_ISCSI_PDU | PT_FLAG_WAIT_4_RESPONSE);
+	passthru_iocb->control_flags = cpu_to_le16(ctrl_flags);
+
+	/* Update the request pointer */
+	qla4xxx_advance_req_ring_ptr(ha);
+	wmb();
+
+	/* Track IOCB used */
+	ha->iocb_cnt += task_data->iocb_req_cnt;
+	ha->req_q_count -= task_data->iocb_req_cnt;
+	ha->isp_ops->queue_iocb(ha);
+	ret = QLA_SUCCESS;
+
+queuing_error:
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	return ret;
+}
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 0e72921c752d..827e93078b94 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -224,8 +224,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 		 * I/O to this device.	We should get a ddb state change
 		 * AEN soon.
 		 */
-		if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
-			qla4xxx_mark_device_missing(ha, ddb_entry);
+		if (iscsi_is_session_online(ddb_entry->sess))
+			qla4xxx_mark_device_missing(ddb_entry->sess);
 		break;
 
 	case SCS_DATA_UNDERRUN:
@@ -306,8 +306,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 		 * send I/O to this device.  We should get a ddb
 		 * state change AEN soon.
 		 */
-		if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
-			qla4xxx_mark_device_missing(ha, ddb_entry);
+		if (iscsi_is_session_online(ddb_entry->sess))
+			qla4xxx_mark_device_missing(ddb_entry->sess);
 
 		cmd->result = DID_TRANSPORT_DISRUPTED << 16;
 		break;
@@ -341,6 +341,51 @@ status_entry_exit:
 }
 
 /**
+ * qla4xxx_passthru_status_entry - processes passthru status IOCBs (0x3C)
+ * @ha: Pointer to host adapter structure.
+ * @sts_entry: Pointer to status entry structure.
+ **/
+static void qla4xxx_passthru_status_entry(struct scsi_qla_host *ha,
+					  struct passthru_status *sts_entry)
+{
+	struct iscsi_task *task;
+	struct ddb_entry *ddb_entry;
+	struct ql4_task_data *task_data;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_conn *conn;
+	itt_t itt;
+	uint32_t fw_ddb_index;
+
+	itt = sts_entry->handle;
+	fw_ddb_index = le32_to_cpu(sts_entry->target);
+
+	ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index);
+
+	if (ddb_entry == NULL) {
+		ql4_printk(KERN_ERR, ha, "%s: Invalid target index = 0x%x\n",
+			   __func__, sts_entry->target);
+		return;
+	}
+
+	cls_conn = ddb_entry->conn;
+	conn = cls_conn->dd_data;
+	spin_lock(&conn->session->lock);
+	task = iscsi_itt_to_task(conn, itt);
+	spin_unlock(&conn->session->lock);
+
+	if (task == NULL) {
+		ql4_printk(KERN_ERR, ha, "%s: Task is NULL\n", __func__);
+		return;
+	}
+
+	task_data = task->dd_data;
+	memcpy(&task_data->sts, sts_entry, sizeof(struct passthru_status));
+	ha->req_q_count += task_data->iocb_req_cnt;
+	ha->iocb_cnt -= task_data->iocb_req_cnt;
+	queue_work(ha->task_wq, &task_data->task_work);
+}
+
+/**
  * qla4xxx_process_response_queue - process response queue completions
  * @ha: Pointer to host adapter structure.
  *
@@ -375,6 +420,14 @@ void qla4xxx_process_response_queue(struct scsi_qla_host *ha)
 			break;
 
 		case ET_PASSTHRU_STATUS:
+			if (sts_entry->hdr.systemDefined == SD_ISCSI_PDU)
+				qla4xxx_passthru_status_entry(ha,
+					(struct passthru_status *)sts_entry);
+			else
+				ql4_printk(KERN_ERR, ha,
+					   "%s: Invalid status received\n",
+					   __func__);
+
 			break;
 
 		case ET_STATUS_CONTINUATION:
@@ -566,6 +619,8 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
 			else if ((mbox_sts[3] == ACB_STATE_ACQUIRING) &&
 			    (mbox_sts[2] == ACB_STATE_VALID))
 				set_bit(DPC_RESET_HA, &ha->dpc_flags);
+			else if ((mbox_sts[3] == ACB_STATE_UNCONFIGURED))
+				complete(&ha->disable_acb_comp);
 			break;
 
 		case MBOX_ASTS_MAC_ADDRESS_CHANGED:
@@ -1009,23 +1064,23 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)
 
 		switch (mbox_sts[0]) {
 		case MBOX_ASTS_DATABASE_CHANGED:
-			if (process_aen == FLUSH_DDB_CHANGED_AENS) {
+			switch (process_aen) {
+			case FLUSH_DDB_CHANGED_AENS:
 				DEBUG2(printk("scsi%ld: AEN[%d] %04x, index "
 					      "[%d] state=%04x FLUSHED!\n",
 					      ha->host_no, ha->aen_out,
 					      mbox_sts[0], mbox_sts[2],
 					      mbox_sts[3]));
 				break;
+			case PROCESS_ALL_AENS:
+			default:
+				/* Specific device. */
+				if (mbox_sts[1] == 1)
+					qla4xxx_process_ddb_changed(ha,
+						mbox_sts[2], mbox_sts[3],
+						mbox_sts[4]);
+				break;
 			}
-		case PROCESS_ALL_AENS:
-		default:
-			if (mbox_sts[1] == 0) {	/* Global DB change. */
-				qla4xxx_reinitialize_ddb_list(ha);
-			} else if (mbox_sts[1] == 1) {	/* Specific device. */
-				qla4xxx_process_ddb_changed(ha, mbox_sts[2],
-						mbox_sts[3], mbox_sts[4]);
-			}
-			break;
 		}
 		spin_lock_irqsave(&ha->hardware_lock, flags);
 	}
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index fce8289e9752..4c2b84870392 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -303,7 +303,7 @@ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 	return QLA_SUCCESS;
 }
 
-static uint8_t
+uint8_t
 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 		 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
 {
@@ -327,43 +327,69 @@ qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
 
 static void
 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
-			 struct addr_ctrl_blk  *init_fw_cb)
+			struct addr_ctrl_blk *init_fw_cb)
 {
+	ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
+	ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
+	ha->ip_config.ipv4_addr_state =
+				le16_to_cpu(init_fw_cb->ipv4_addr_state);
+	ha->ip_config.eth_mtu_size =
+				le16_to_cpu(init_fw_cb->eth_mtu_size);
+	ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
+
+	if (ha->acb_version == ACB_SUPPORTED) {
+		ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
+		ha->ip_config.ipv6_addl_options =
+				le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
+	}
+
 	/* Save IPv4 Address Info */
-	memcpy(ha->ip_address, init_fw_cb->ipv4_addr,
-		min(sizeof(ha->ip_address), sizeof(init_fw_cb->ipv4_addr)));
-	memcpy(ha->subnet_mask, init_fw_cb->ipv4_subnet,
-		min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->ipv4_subnet)));
-	memcpy(ha->gateway, init_fw_cb->ipv4_gw_addr,
-		min(sizeof(ha->gateway), sizeof(init_fw_cb->ipv4_gw_addr)));
+	memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
+	       min(sizeof(ha->ip_config.ip_address),
+		   sizeof(init_fw_cb->ipv4_addr)));
+	memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
+	       min(sizeof(ha->ip_config.subnet_mask),
+		   sizeof(init_fw_cb->ipv4_subnet)));
+	memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
+	       min(sizeof(ha->ip_config.gateway),
+		   sizeof(init_fw_cb->ipv4_gw_addr)));
+
+	ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
 
 	if (is_ipv6_enabled(ha)) {
 		/* Save IPv6 Address */
-		ha->ipv6_link_local_state = init_fw_cb->ipv6_lnk_lcl_addr_state;
-		ha->ipv6_addr0_state = init_fw_cb->ipv6_addr0_state;
-		ha->ipv6_addr1_state = init_fw_cb->ipv6_addr1_state;
-		ha->ipv6_default_router_state = init_fw_cb->ipv6_dflt_rtr_state;
-		ha->ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
-		ha->ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
-
-		memcpy(&ha->ipv6_link_local_addr.in6_u.u6_addr8[8],
-			init_fw_cb->ipv6_if_id,
-			min(sizeof(ha->ipv6_link_local_addr)/2,
-			sizeof(init_fw_cb->ipv6_if_id)));
-		memcpy(&ha->ipv6_addr0, init_fw_cb->ipv6_addr0,
-			min(sizeof(ha->ipv6_addr0),
-			sizeof(init_fw_cb->ipv6_addr0)));
-		memcpy(&ha->ipv6_addr1, init_fw_cb->ipv6_addr1,
-			min(sizeof(ha->ipv6_addr1),
-			sizeof(init_fw_cb->ipv6_addr1)));
-		memcpy(&ha->ipv6_default_router_addr,
-			init_fw_cb->ipv6_dflt_rtr_addr,
-			min(sizeof(ha->ipv6_default_router_addr),
-			sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
+		ha->ip_config.ipv6_link_local_state =
+			le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
+		ha->ip_config.ipv6_addr0_state =
+				le16_to_cpu(init_fw_cb->ipv6_addr0_state);
+		ha->ip_config.ipv6_addr1_state =
+				le16_to_cpu(init_fw_cb->ipv6_addr1_state);
+		ha->ip_config.ipv6_default_router_state =
+				le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
+		ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
+		ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
+
+		memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
+		       init_fw_cb->ipv6_if_id,
+		       min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
+			   sizeof(init_fw_cb->ipv6_if_id)));
+		memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
+		       min(sizeof(ha->ip_config.ipv6_addr0),
+			   sizeof(init_fw_cb->ipv6_addr0)));
+		memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
+		       min(sizeof(ha->ip_config.ipv6_addr1),
+			   sizeof(init_fw_cb->ipv6_addr1)));
+		memcpy(&ha->ip_config.ipv6_default_router_addr,
+		       init_fw_cb->ipv6_dflt_rtr_addr,
+		       min(sizeof(ha->ip_config.ipv6_default_router_addr),
+			   sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
+		ha->ip_config.ipv6_vlan_tag =
+				be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
+		ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
 	}
 }
 
-static uint8_t
+uint8_t
 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 			  uint32_t *mbox_cmd,
 			  uint32_t *mbox_sts,
@@ -383,9 +409,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 	/* Save some info in adapter structure. */
 	ha->acb_version = init_fw_cb->acb_version;
 	ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
-	ha->tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
-	ha->ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
-	ha->ipv4_addr_state = le16_to_cpu(init_fw_cb->ipv4_addr_state);
 	ha->heartbeat_interval = init_fw_cb->hb_interval;
 	memcpy(ha->name_string, init_fw_cb->iscsi_name,
 		min(sizeof(ha->name_string),
@@ -393,10 +416,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
 	/*memcpy(ha->alias, init_fw_cb->Alias,
 	       min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
 
-	if (ha->acb_version == ACB_SUPPORTED) {
-		ha->ipv6_options = init_fw_cb->ipv6_opts;
-		ha->ipv6_addl_options = init_fw_cb->ipv6_addtl_opts;
-	}
 	qla4xxx_update_local_ip(ha, init_fw_cb);
 
 	return QLA_SUCCESS;
@@ -462,10 +481,11 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
 
 	init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
 
-	/* Set bit for "serialize task mgmt" all other bits need to be zero */
 	init_fw_cb->add_fw_options = 0;
 	init_fw_cb->add_fw_options |=
-	    __constant_cpu_to_le16(SERIALIZE_TASK_MGMT);
+			__constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
+	init_fw_cb->add_fw_options |=
+			__constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
 
 	if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
 		!= QLA_SUCCESS) {
@@ -691,19 +711,38 @@ exit_get_fwddb:
 	return status;
 }
 
+int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status;
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
+	mbox_cmd[1] = fw_ddb_index;
+
+	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
+			  __func__, status, mbox_sts[0], mbox_sts[1]));
+	return status;
+}
+
 /**
  * qla4xxx_set_fwddb_entry - sets a ddb entry.
  * @ha: Pointer to host adapter structure.
  * @fw_ddb_index: Firmware's device database index
- * @fw_ddb_entry: Pointer to firmware's ddb entry structure, or NULL.
+ * @fw_ddb_entry_dma: dma address of ddb entry
+ * @mbx_sts: mailbox 0 to be returned or NULL
  *
  * This routine initializes or updates the adapter's device database
- * entry for the specified device. It also triggers a login for the
- * specified device. Therefore, it may also be used as a secondary
- * login routine when a NULL pointer is specified for the fw_ddb_entry.
+ * entry for the specified device.
  **/
 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
-			  dma_addr_t fw_ddb_entry_dma)
+			  dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
 {
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
 	uint32_t mbox_sts[MBOX_REG_COUNT];
@@ -722,13 +761,41 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
 	mbox_cmd[4] = sizeof(struct dev_db_entry);
 
 	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
-	    &mbox_sts[0]);
+					 &mbox_sts[0]);
+	if (mbx_sts)
+		*mbx_sts = mbox_sts[0];
 	DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
 	    ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
 
 	return status;
 }
 
+int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
+			       struct ddb_entry *ddb_entry, int options)
+{
+	int status;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
+	mbox_cmd[1] = ddb_entry->fw_ddb_index;
+	mbox_cmd[3] = options;
+
+	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
+				  "failed sts %04X %04X", __func__,
+				  mbox_sts[0], mbox_sts[1]));
+	}
+
+	return status;
+}
+
 /**
  * qla4xxx_get_crash_record - retrieves crash record.
  * @ha: Pointer to host adapter structure.
@@ -805,7 +872,6 @@ void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
 	uint32_t	max_event_log_entries;
 	uint8_t		i;
 
-
 	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
 	memset(&mbox_sts, 0, sizeof(mbox_cmd));
 
@@ -1104,7 +1170,7 @@ exit_about_fw:
 	return status;
 }
 
-static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha,
+static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
 				   dma_addr_t dma_addr)
 {
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
@@ -1114,6 +1180,7 @@ static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha,
 	memset(&mbox_sts, 0, sizeof(mbox_sts));
 
 	mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
+	mbox_cmd[1] = options;
 	mbox_cmd[2] = LSDW(dma_addr);
 	mbox_cmd[3] = MSDW(dma_addr);
 
@@ -1126,8 +1193,10 @@ static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha,
 	return QLA_SUCCESS;
 }
 
-static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index)
+int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
+			  uint32_t *mbx_sts)
 {
+	int status;
 	uint32_t mbox_cmd[MBOX_REG_COUNT];
 	uint32_t mbox_sts[MBOX_REG_COUNT];
 
@@ -1135,75 +1204,646 @@ static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index)
 	memset(&mbox_sts, 0, sizeof(mbox_sts));
 
 	mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
-	mbox_cmd[1] = MAX_PRST_DEV_DB_ENTRIES;
+	mbox_cmd[1] = ddb_index;
 
-	if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
-	    QLA_SUCCESS) {
-		if (mbox_sts[0] == MBOX_STS_COMMAND_ERROR) {
-			*ddb_index = mbox_sts[2];
+	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
+				   __func__, mbox_sts[0]));
+	}
+
+	*mbx_sts = mbox_sts[0];
+	return status;
+}
+
+int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
+{
+	int status;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
+	mbox_cmd[1] = ddb_index;
+
+	status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
+				   __func__, mbox_sts[0]));
+	}
+
+	return status;
+}
+
+int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
+		      uint32_t offset, uint32_t length, uint32_t options)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status = QLA_SUCCESS;
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
+	mbox_cmd[1] = LSDW(dma_addr);
+	mbox_cmd[2] = MSDW(dma_addr);
+	mbox_cmd[3] = offset;
+	mbox_cmd[4] = length;
+	mbox_cmd[5] = options;
+
+	status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
+				  "failed w/ status %04X, mbx1 %04X\n",
+				  __func__, mbox_sts[0], mbox_sts[1]));
+	}
+	return status;
+}
+
+int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
+			    struct dev_db_entry *fw_ddb_entry,
+			    dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
+{
+	uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
+	uint32_t dev_db_end_offset;
+	int status = QLA_ERROR;
+
+	memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
+
+	dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
+	dev_db_end_offset = FLASH_OFFSET_DB_END;
+
+	if (dev_db_start_offset > dev_db_end_offset) {
+		DEBUG2(ql4_printk(KERN_ERR, ha,
+				  "%s:Invalid DDB index %d", __func__,
+				  ddb_index));
+		goto exit_bootdb_failed;
+	}
+
+	if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
+			      sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
+		ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
+			   "failed\n", ha->host_no, __func__);
+		goto exit_bootdb_failed;
+	}
+
+	if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
+		status = QLA_SUCCESS;
+
+exit_bootdb_failed:
+	return status;
+}
+
+int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
+		     uint16_t idx)
+{
+	int ret = 0;
+	int rval = QLA_ERROR;
+	uint32_t offset = 0, chap_size;
+	struct ql4_chap_table *chap_table;
+	dma_addr_t chap_dma;
+
+	chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
+	if (chap_table == NULL) {
+		ret = -ENOMEM;
+		goto exit_get_chap;
+	}
+
+	chap_size = sizeof(struct ql4_chap_table);
+	memset(chap_table, 0, chap_size);
+
+	if (is_qla40XX(ha))
+		offset = FLASH_CHAP_OFFSET | (idx * chap_size);
+	else {
+		offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+		/* flt_chap_size is CHAP table size for both ports
+		 * so divide it by 2 to calculate the offset for second port
+		 */
+		if (ha->port_num == 1)
+			offset += (ha->hw.flt_chap_size / 2);
+		offset += (idx * chap_size);
+	}
+
+	rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
+	if (rval != QLA_SUCCESS) {
+		ret = -EINVAL;
+		goto exit_get_chap;
+	}
+
+	DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
+		__le16_to_cpu(chap_table->cookie)));
+
+	if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
+		ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
+		goto exit_get_chap;
+	}
+
+	strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
+	strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
+	chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+
+exit_get_chap:
+	dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
+	return ret;
+}
+
+static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
+			    char *password, uint16_t idx, int bidi)
+{
+	int ret = 0;
+	int rval = QLA_ERROR;
+	uint32_t offset = 0;
+	struct ql4_chap_table *chap_table;
+	dma_addr_t chap_dma;
+
+	chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
+	if (chap_table == NULL) {
+		ret =  -ENOMEM;
+		goto exit_set_chap;
+	}
+
+	memset(chap_table, 0, sizeof(struct ql4_chap_table));
+	if (bidi)
+		chap_table->flags |= BIT_6; /* peer */
+	else
+		chap_table->flags |= BIT_7; /* local */
+	chap_table->secret_len = strlen(password);
+	strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
+	strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
+	chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
+	offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
+	rval = qla4xxx_set_flash(ha, chap_dma, offset,
+				sizeof(struct ql4_chap_table),
+				FLASH_OPT_RMW_COMMIT);
+
+	if (rval == QLA_SUCCESS && ha->chap_list) {
+		/* Update ha chap_list cache */
+		memcpy((struct ql4_chap_table *)ha->chap_list + idx,
+		       chap_table, sizeof(struct ql4_chap_table));
+	}
+	dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
+	if (rval != QLA_SUCCESS)
+		ret =  -EINVAL;
+
+exit_set_chap:
+	return ret;
+}
+
+/**
+ * qla4xxx_get_chap_index - Get chap index given username and secret
+ * @ha: pointer to adapter structure
+ * @username: CHAP username to be searched
+ * @password: CHAP password to be searched
+ * @bidi: Is this a BIDI CHAP
+ * @chap_index: CHAP index to be returned
+ *
+ * Match the username and password in the chap_list, return the index if a
+ * match is found. If a match is not found then add the entry in FLASH and
+ * return the index at which entry is written in the FLASH.
+ **/
+static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
+			    char *password, int bidi, uint16_t *chap_index)
+{
+	int i, rval;
+	int free_index = -1;
+	int found_index = 0;
+	int max_chap_entries = 0;
+	struct ql4_chap_table *chap_table;
+
+	if (is_qla8022(ha))
+		max_chap_entries = (ha->hw.flt_chap_size / 2) /
+						sizeof(struct ql4_chap_table);
+	else
+		max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+	if (!ha->chap_list) {
+		ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
+		return QLA_ERROR;
+	}
+
+	mutex_lock(&ha->chap_sem);
+	for (i = 0; i < max_chap_entries; i++) {
+		chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+		if (chap_table->cookie !=
+		    __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+			if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
+				free_index = i;
+			continue;
+		}
+		if (bidi) {
+			if (chap_table->flags & BIT_7)
+				continue;
 		} else {
-			DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
-			     ha->host_no, __func__, mbox_sts[0]));
-			return QLA_ERROR;
+			if (chap_table->flags & BIT_6)
+				continue;
+		}
+		if (!strncmp(chap_table->secret, password,
+			     MAX_CHAP_SECRET_LEN) &&
+		    !strncmp(chap_table->name, username,
+			     MAX_CHAP_NAME_LEN)) {
+			*chap_index = i;
+			found_index = 1;
+			break;
 		}
-	} else {
-		*ddb_index = MAX_PRST_DEV_DB_ENTRIES;
 	}
 
-	return QLA_SUCCESS;
+	/* If chap entry is not present and a free index is available then
+	 * write the entry in flash
+	 */
+	if (!found_index && free_index != -1) {
+		rval = qla4xxx_set_chap(ha, username, password,
+					free_index, bidi);
+		if (!rval) {
+			*chap_index = free_index;
+			found_index = 1;
+		}
+	}
+
+	mutex_unlock(&ha->chap_sem);
+
+	if (found_index)
+		return QLA_SUCCESS;
+	return QLA_ERROR;
 }
 
+int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
+				   uint16_t fw_ddb_index,
+				   uint16_t connection_id,
+				   uint16_t option)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status = QLA_SUCCESS;
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
+	mbox_cmd[1] = fw_ddb_index;
+	mbox_cmd[2] = connection_id;
+	mbox_cmd[3] = option;
 
-int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port)
+	status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
+				  "option %04x failed w/ status %04X %04X\n",
+				  __func__, option, mbox_sts[0], mbox_sts[1]));
+	}
+	return status;
+}
+
+int qla4xxx_disable_acb(struct scsi_qla_host *ha)
 {
-	struct dev_db_entry *fw_ddb_entry;
-	dma_addr_t fw_ddb_entry_dma;
-	uint32_t ddb_index;
-	int ret_val = QLA_SUCCESS;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status = QLA_SUCCESS;
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
 
+	status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
+				  "failed w/ status %04X %04X %04X", __func__,
+				  mbox_sts[0], mbox_sts[1], mbox_sts[2]));
+	}
+	return status;
+}
+
+int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
+		    uint32_t acb_type, uint32_t len)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status = QLA_SUCCESS;
 
-	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
-					  sizeof(*fw_ddb_entry),
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_GET_ACB;
+	mbox_cmd[1] = acb_type;
+	mbox_cmd[2] = LSDW(acb_dma);
+	mbox_cmd[3] = MSDW(acb_dma);
+	mbox_cmd[4] = len;
+
+	status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
+				  "failed w/ status %04X\n", __func__,
+				  mbox_sts[0]));
+	}
+	return status;
+}
+
+int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+		    uint32_t *mbox_sts, dma_addr_t acb_dma)
+{
+	int status = QLA_SUCCESS;
+
+	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+	mbox_cmd[0] = MBOX_CMD_SET_ACB;
+	mbox_cmd[1] = 0; /* Primary ACB */
+	mbox_cmd[2] = LSDW(acb_dma);
+	mbox_cmd[3] = MSDW(acb_dma);
+	mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+
+	status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: MBOX_CMD_SET_ACB "
+				  "failed w/ status %04X\n", __func__,
+				  mbox_sts[0]));
+	}
+	return status;
+}
+
+int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
+			       struct ddb_entry *ddb_entry,
+			       struct iscsi_cls_conn *cls_conn,
+			       uint32_t *mbx_sts)
+{
+	struct dev_db_entry *fw_ddb_entry;
+	struct iscsi_conn *conn;
+	struct iscsi_session *sess;
+	struct qla_conn *qla_conn;
+	struct sockaddr *dst_addr;
+	dma_addr_t fw_ddb_entry_dma;
+	int status = QLA_SUCCESS;
+	int rval = 0;
+	struct sockaddr_in *addr;
+	struct sockaddr_in6 *addr6;
+	char *ip;
+	uint16_t iscsi_opts = 0;
+	uint32_t options = 0;
+	uint16_t idx;
+
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
 					  &fw_ddb_entry_dma, GFP_KERNEL);
 	if (!fw_ddb_entry) {
-		DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
-			      ha->host_no, __func__));
-		ret_val = QLA_ERROR;
-		goto exit_send_tgts_no_free;
+		DEBUG2(ql4_printk(KERN_ERR, ha,
+				  "%s: Unable to allocate dma buffer.\n",
+				  __func__));
+		rval = -ENOMEM;
+		goto exit_set_param_no_free;
 	}
 
-	ret_val = qla4xxx_get_default_ddb(ha, fw_ddb_entry_dma);
-	if (ret_val != QLA_SUCCESS)
-		goto exit_send_tgts;
+	conn = cls_conn->dd_data;
+	qla_conn = conn->dd_data;
+	sess = conn->session;
+	dst_addr = &qla_conn->qla_ep->dst_addr;
 
-	ret_val = qla4xxx_req_ddb_entry(ha, &ddb_index);
-	if (ret_val != QLA_SUCCESS)
-		goto exit_send_tgts;
+	if (dst_addr->sa_family == AF_INET6)
+		options |= IPV6_DEFAULT_DDB_ENTRY;
 
-	memset(fw_ddb_entry->iscsi_alias, 0,
-	       sizeof(fw_ddb_entry->iscsi_alias));
+	status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
+	if (status == QLA_ERROR) {
+		rval = -EINVAL;
+		goto exit_set_param;
+	}
 
-	memset(fw_ddb_entry->iscsi_name, 0,
-	       sizeof(fw_ddb_entry->iscsi_name));
+	iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
+	memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
+
+	memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
+
+	if (sess->targetname != NULL) {
+		memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
+		       min(strlen(sess->targetname),
+		       sizeof(fw_ddb_entry->iscsi_name)));
+	}
 
 	memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
-	memset(fw_ddb_entry->tgt_addr, 0,
-	       sizeof(fw_ddb_entry->tgt_addr));
+	memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
+
+	fw_ddb_entry->options =  DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
+
+	if (dst_addr->sa_family == AF_INET) {
+		addr = (struct sockaddr_in *)dst_addr;
+		ip = (char *)&addr->sin_addr;
+		memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
+		fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "%s: Destination Address [%pI4]: index [%d]\n",
+				   __func__, fw_ddb_entry->ip_addr,
+				  ddb_entry->fw_ddb_index));
+	} else if (dst_addr->sa_family == AF_INET6) {
+		addr6 = (struct sockaddr_in6 *)dst_addr;
+		ip = (char *)&addr6->sin6_addr;
+		memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
+		fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
+		fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "%s: Destination Address [%pI6]: index [%d]\n",
+				   __func__, fw_ddb_entry->ip_addr,
+				  ddb_entry->fw_ddb_index));
+	} else {
+		ql4_printk(KERN_ERR, ha,
+			   "%s: Failed to get IP Address\n",
+			   __func__);
+		rval = -EINVAL;
+		goto exit_set_param;
+	}
+
+	/* CHAP */
+	if (sess->username != NULL && sess->password != NULL) {
+		if (strlen(sess->username) && strlen(sess->password)) {
+			iscsi_opts |= BIT_7;
+
+			rval = qla4xxx_get_chap_index(ha, sess->username,
+						sess->password,
+						LOCAL_CHAP, &idx);
+			if (rval)
+				goto exit_set_param;
+
+			fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
+		}
+	}
+
+	if (sess->username_in != NULL && sess->password_in != NULL) {
+		/* Check if BIDI CHAP */
+		if (strlen(sess->username_in) && strlen(sess->password_in)) {
+			iscsi_opts |= BIT_4;
+
+			rval = qla4xxx_get_chap_index(ha, sess->username_in,
+						      sess->password_in,
+						      BIDI_CHAP, &idx);
+			if (rval)
+				goto exit_set_param;
+		}
+	}
+
+	if (sess->initial_r2t_en)
+		iscsi_opts |= BIT_10;
+
+	if (sess->imm_data_en)
+		iscsi_opts |= BIT_11;
+
+	fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
+
+	if (conn->max_recv_dlength)
+		fw_ddb_entry->iscsi_max_rcv_data_seg_len =
+		  __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
 
-	fw_ddb_entry->options = (DDB_OPT_DISC_SESSION | DDB_OPT_TARGET);
-	fw_ddb_entry->port = cpu_to_le16(ntohs(port));
+	if (sess->max_r2t)
+		fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
 
-	fw_ddb_entry->ip_addr[0] = *ip;
-	fw_ddb_entry->ip_addr[1] = *(ip + 1);
-	fw_ddb_entry->ip_addr[2] = *(ip + 2);
-	fw_ddb_entry->ip_addr[3] = *(ip + 3);
+	if (sess->first_burst)
+		fw_ddb_entry->iscsi_first_burst_len =
+		       __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
 
-	ret_val = qla4xxx_set_ddb_entry(ha, ddb_index, fw_ddb_entry_dma);
+	if (sess->max_burst)
+		fw_ddb_entry->iscsi_max_burst_len =
+			__constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
 
-exit_send_tgts:
+	if (sess->time2wait)
+		fw_ddb_entry->iscsi_def_time2wait =
+			cpu_to_le16(sess->time2wait);
+
+	if (sess->time2retain)
+		fw_ddb_entry->iscsi_def_time2retain =
+			cpu_to_le16(sess->time2retain);
+
+	status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
+				       fw_ddb_entry_dma, mbx_sts);
+
+	if (status != QLA_SUCCESS)
+		rval = -EINVAL;
+exit_set_param:
 	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
 			  fw_ddb_entry, fw_ddb_entry_dma);
-exit_send_tgts_no_free:
-	return ret_val;
+exit_set_param_no_free:
+	return rval;
+}
+
+int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
+			  uint16_t stats_size, dma_addr_t stats_dma)
+{
+	int status = QLA_SUCCESS;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+
+	memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+	memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+	mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
+	mbox_cmd[1] = fw_ddb_index;
+	mbox_cmd[2] = LSDW(stats_dma);
+	mbox_cmd[3] = MSDW(stats_dma);
+	mbox_cmd[4] = stats_size;
+
+	status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,
+				  "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
+				  "failed w/ status %04X\n", __func__,
+				  mbox_sts[0]));
+	}
+	return status;
 }
 
+int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
+			 uint32_t ip_idx, uint32_t *sts)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	int status = QLA_SUCCESS;
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+	mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
+	mbox_cmd[1] = acb_idx;
+	mbox_cmd[2] = ip_idx;
+
+	status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_WARNING, ha,  "%s: "
+				  "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
+				  "status %04X\n", __func__, mbox_sts[0]));
+	}
+	memcpy(sts, mbox_sts, sizeof(mbox_sts));
+	return status;
+}
+
+int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+		      uint32_t offset, uint32_t size)
+{
+	int status = QLA_SUCCESS;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
+	mbox_cmd[1] = LSDW(nvram_dma);
+	mbox_cmd[2] = MSDW(nvram_dma);
+	mbox_cmd[3] = offset;
+	mbox_cmd[4] = size;
+
+	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+				  "status %04X\n", ha->host_no, __func__,
+				  mbox_sts[0]));
+	}
+	return status;
+}
+
+int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+		      uint32_t offset, uint32_t size)
+{
+	int status = QLA_SUCCESS;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
+	mbox_cmd[1] = LSDW(nvram_dma);
+	mbox_cmd[2] = MSDW(nvram_dma);
+	mbox_cmd[3] = offset;
+	mbox_cmd[4] = size;
+
+	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+				  "status %04X\n", ha->host_no, __func__,
+				  mbox_sts[0]));
+	}
+	return status;
+}
+
+int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
+				     uint32_t region, uint32_t field0,
+				     uint32_t field1)
+{
+	int status = QLA_SUCCESS;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
+	mbox_cmd[3] = region;
+	mbox_cmd[4] = field0;
+	mbox_cmd[5] = field1;
+
+	status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
+					 &mbox_sts[0]);
+	if (status != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+				  "status %04X\n", ha->host_no, __func__,
+				  mbox_sts[0]));
+	}
+	return status;
+}
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c
index b4b859b2d47e..7851f314ba96 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.c
+++ b/drivers/scsi/qla4xxx/ql4_nvram.c
@@ -156,6 +156,27 @@ u16 rd_nvram_word(struct scsi_qla_host * ha, int offset)
 	return val;
 }
 
+u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset)
+{
+	u16 val = 0;
+	u8 rval = 0;
+	int index = 0;
+
+	if (offset & 0x1)
+		index = (offset - 1) / 2;
+	else
+		index = offset / 2;
+
+	val = le16_to_cpu(rd_nvram_word(ha, index));
+
+	if (offset & 0x1)
+		rval = (u8)((val & 0xff00) >> 8);
+	else
+		rval = (u8)((val & 0x00ff));
+
+	return rval;
+}
+
 int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host * ha)
 {
 	int status = QLA_ERROR;
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index fdfe27b38698..f484ff438199 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -2015,11 +2015,19 @@ qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr)
 			hw->flt_region_boot = start;
 			break;
 		case FLT_REG_FW_82:
+		case FLT_REG_FW_82_1:
 			hw->flt_region_fw = start;
 			break;
 		case FLT_REG_BOOTLOAD_82:
 			hw->flt_region_bootload = start;
 			break;
+		case FLT_REG_ISCSI_PARAM:
+			hw->flt_iscsi_param =  start;
+			break;
+		case FLT_REG_ISCSI_CHAP:
+			hw->flt_region_chap =  start;
+			hw->flt_chap_size =  le32_to_cpu(region->size);
+			break;
 		}
 	}
 	goto done;
@@ -2032,6 +2040,9 @@ no_flash_data:
 	hw->flt_region_boot     = FA_BOOT_CODE_ADDR_82;
 	hw->flt_region_bootload = FA_BOOT_LOAD_ADDR_82;
 	hw->flt_region_fw       = FA_RISC_CODE_ADDR_82;
+	hw->flt_region_chap	= FA_FLASH_ISCSI_CHAP;
+	hw->flt_chap_size	= FA_FLASH_CHAP_SIZE;
+
 done:
 	DEBUG2(ql4_printk(KERN_INFO, ha, "FLT[%s]: flt=0x%x fdt=0x%x "
 	    "boot=0x%x bootload=0x%x fw=0x%x\n", loc, hw->flt_region_flt,
@@ -2258,10 +2269,16 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha)
 	}
 
 	/* Save M.A.C. address & serial_number */
+	ha->port_num = sys_info->port_num;
 	memcpy(ha->my_mac, &sys_info->mac_addr[0],
 	    min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr)));
 	memcpy(ha->serial_number, &sys_info->serial_number,
 	    min(sizeof(ha->serial_number), sizeof(sys_info->serial_number)));
+	memcpy(ha->model_name, &sys_info->board_id_str,
+	       min(sizeof(ha->model_name), sizeof(sys_info->board_id_str)));
+	ha->phy_port_cnt = sys_info->phys_port_cnt;
+	ha->phy_port_num = sys_info->port_num;
+	ha->iscsi_pci_func_cnt = sys_info->iscsi_pci_func_cnt;
 
 	DEBUG2(printk("scsi%ld: %s: "
 	    "mac %02x:%02x:%02x:%02x:%02x:%02x "
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index f2364ec59f03..30f31b127f33 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -6,6 +6,8 @@
  */
 #include <linux/moduleparam.h>
 #include <linux/slab.h>
+#include <linux/blkdev.h>
+#include <linux/iscsi_boot_sysfs.h>
 
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
@@ -63,6 +65,7 @@ MODULE_PARM_DESC(ql4xsess_recovery_tmo,
 		"Target Session Recovery Timeout.\n"
 		" Default: 30 sec.");
 
+static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
 /*
  * SCSI host template entry points
  */
@@ -71,18 +74,41 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
 /*
  * iSCSI template entry points
  */
-static int qla4xxx_tgt_dscvr(struct Scsi_Host *shost,
-			     enum iscsi_tgt_dscvr type, uint32_t enable,
-			     struct sockaddr *dst_addr);
 static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
 				  enum iscsi_param param, char *buf);
-static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
-				  enum iscsi_param param, char *buf);
 static int qla4xxx_host_get_param(struct Scsi_Host *shost,
 				  enum iscsi_host_param param, char *buf);
-static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
+static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
+				   uint32_t len);
+static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
+				   enum iscsi_param_type param_type,
+				   int param, char *buf);
 static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
-
+static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
+						 struct sockaddr *dst_addr,
+						 int non_blocking);
+static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
+static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
+static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
+				enum iscsi_param param, char *buf);
+static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
+static struct iscsi_cls_conn *
+qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
+static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
+			     struct iscsi_cls_conn *cls_conn,
+			     uint64_t transport_fd, int is_leading);
+static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
+static struct iscsi_cls_session *
+qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
+			uint16_t qdepth, uint32_t initial_cmdsn);
+static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
+static void qla4xxx_task_work(struct work_struct *wdata);
+static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
+static int qla4xxx_task_xmit(struct iscsi_task *);
+static void qla4xxx_task_cleanup(struct iscsi_task *);
+static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
+static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
+				   struct iscsi_stats *stats);
 /*
  * SCSI host template entry points
  */
@@ -94,7 +120,8 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
 static int qla4xxx_slave_alloc(struct scsi_device *device);
 static int qla4xxx_slave_configure(struct scsi_device *device);
 static void qla4xxx_slave_destroy(struct scsi_device *sdev);
-static void qla4xxx_scan_start(struct Scsi_Host *shost);
+static mode_t ql4_attr_is_visible(int param_type, int param);
+static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
 
 static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
     QLA82XX_LEGACY_INTR_CONFIG;
@@ -115,9 +142,6 @@ static struct scsi_host_template qla4xxx_driver_template = {
 	.slave_alloc		= qla4xxx_slave_alloc,
 	.slave_destroy		= qla4xxx_slave_destroy,
 
-	.scan_finished		= iscsi_scan_finished,
-	.scan_start		= qla4xxx_scan_start,
-
 	.this_id		= -1,
 	.cmd_per_lun		= 3,
 	.use_clustering		= ENABLE_CLUSTERING,
@@ -125,58 +149,396 @@ static struct scsi_host_template qla4xxx_driver_template = {
 
 	.max_sectors		= 0xFFFF,
 	.shost_attrs		= qla4xxx_host_attrs,
+	.host_reset		= qla4xxx_host_reset,
+	.vendor_id		= SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
 };
 
 static struct iscsi_transport qla4xxx_iscsi_transport = {
 	.owner			= THIS_MODULE,
 	.name			= DRIVER_NAME,
-	.caps			= CAP_FW_DB | CAP_SENDTARGETS_OFFLOAD |
-				  CAP_DATA_PATH_OFFLOAD,
-	.param_mask		= ISCSI_CONN_PORT | ISCSI_CONN_ADDRESS |
-				  ISCSI_TARGET_NAME | ISCSI_TPGT |
-				  ISCSI_TARGET_ALIAS,
-	.host_param_mask	= ISCSI_HOST_HWADDRESS |
-				  ISCSI_HOST_IPADDRESS |
-				  ISCSI_HOST_INITIATOR_NAME,
-	.tgt_dscvr		= qla4xxx_tgt_dscvr,
+	.caps			= CAP_TEXT_NEGO |
+				  CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
+				  CAP_DATADGST | CAP_LOGIN_OFFLOAD |
+				  CAP_MULTI_R2T,
+	.attr_is_visible	= ql4_attr_is_visible,
+	.create_session         = qla4xxx_session_create,
+	.destroy_session        = qla4xxx_session_destroy,
+	.start_conn             = qla4xxx_conn_start,
+	.create_conn            = qla4xxx_conn_create,
+	.bind_conn              = qla4xxx_conn_bind,
+	.stop_conn              = iscsi_conn_stop,
+	.destroy_conn           = qla4xxx_conn_destroy,
+	.set_param              = iscsi_set_param,
 	.get_conn_param		= qla4xxx_conn_get_param,
-	.get_session_param	= qla4xxx_sess_get_param,
+	.get_session_param	= iscsi_session_get_param,
+	.get_ep_param           = qla4xxx_get_ep_param,
+	.ep_connect		= qla4xxx_ep_connect,
+	.ep_poll		= qla4xxx_ep_poll,
+	.ep_disconnect		= qla4xxx_ep_disconnect,
+	.get_stats		= qla4xxx_conn_get_stats,
+	.send_pdu		= iscsi_conn_send_pdu,
+	.xmit_task		= qla4xxx_task_xmit,
+	.cleanup_task		= qla4xxx_task_cleanup,
+	.alloc_pdu		= qla4xxx_alloc_pdu,
+
 	.get_host_param		= qla4xxx_host_get_param,
-	.session_recovery_timedout = qla4xxx_recovery_timedout,
+	.set_iface_param	= qla4xxx_iface_set_param,
+	.get_iface_param	= qla4xxx_get_iface_param,
+	.bsg_request		= qla4xxx_bsg_request,
 };
 
 static struct scsi_transport_template *qla4xxx_scsi_transport;
 
-static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
+static mode_t ql4_attr_is_visible(int param_type, int param)
 {
-	struct iscsi_cls_session *session;
-	struct ddb_entry *ddb_entry;
+	switch (param_type) {
+	case ISCSI_HOST_PARAM:
+		switch (param) {
+		case ISCSI_HOST_PARAM_HWADDRESS:
+		case ISCSI_HOST_PARAM_IPADDRESS:
+		case ISCSI_HOST_PARAM_INITIATOR_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	case ISCSI_PARAM:
+		switch (param) {
+		case ISCSI_PARAM_PERSISTENT_ADDRESS:
+		case ISCSI_PARAM_PERSISTENT_PORT:
+		case ISCSI_PARAM_CONN_ADDRESS:
+		case ISCSI_PARAM_CONN_PORT:
+		case ISCSI_PARAM_TARGET_NAME:
+		case ISCSI_PARAM_TPGT:
+		case ISCSI_PARAM_TARGET_ALIAS:
+		case ISCSI_PARAM_MAX_BURST:
+		case ISCSI_PARAM_MAX_R2T:
+		case ISCSI_PARAM_FIRST_BURST:
+		case ISCSI_PARAM_MAX_RECV_DLENGTH:
+		case ISCSI_PARAM_MAX_XMIT_DLENGTH:
+		case ISCSI_PARAM_IFACE_NAME:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	case ISCSI_NET_PARAM:
+		switch (param) {
+		case ISCSI_NET_PARAM_IPV4_ADDR:
+		case ISCSI_NET_PARAM_IPV4_SUBNET:
+		case ISCSI_NET_PARAM_IPV4_GW:
+		case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
+		case ISCSI_NET_PARAM_IFACE_ENABLE:
+		case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
+		case ISCSI_NET_PARAM_IPV6_ADDR:
+		case ISCSI_NET_PARAM_IPV6_ROUTER:
+		case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
+		case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
+		case ISCSI_NET_PARAM_VLAN_ID:
+		case ISCSI_NET_PARAM_VLAN_PRIORITY:
+		case ISCSI_NET_PARAM_VLAN_ENABLED:
+		case ISCSI_NET_PARAM_MTU:
+		case ISCSI_NET_PARAM_PORT:
+			return S_IRUGO;
+		default:
+			return 0;
+		}
+	}
 
-	session = starget_to_session(scsi_target(sc->device));
-	ddb_entry = session->dd_data;
+	return 0;
+}
 
-	/* if we are not logged in then the LLD is going to clean up the cmd */
-	if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)
-		return BLK_EH_RESET_TIMER;
-	else
-		return BLK_EH_NOT_HANDLED;
+static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
+				   enum iscsi_param_type param_type,
+				   int param, char *buf)
+{
+	struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
+	struct scsi_qla_host *ha = to_qla_host(shost);
+	int len = -ENOSYS;
+
+	if (param_type != ISCSI_NET_PARAM)
+		return -ENOSYS;
+
+	switch (param) {
+	case ISCSI_NET_PARAM_IPV4_ADDR:
+		len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
+		break;
+	case ISCSI_NET_PARAM_IPV4_SUBNET:
+		len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask);
+		break;
+	case ISCSI_NET_PARAM_IPV4_GW:
+		len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
+		break;
+	case ISCSI_NET_PARAM_IFACE_ENABLE:
+		if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
+			len = sprintf(buf, "%s\n",
+				      (ha->ip_config.ipv4_options &
+				       IPOPT_IPV4_PROTOCOL_ENABLE) ?
+				      "enabled" : "disabled");
+		else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
+			len = sprintf(buf, "%s\n",
+				      (ha->ip_config.ipv6_options &
+				       IPV6_OPT_IPV6_PROTOCOL_ENABLE) ?
+				       "enabled" : "disabled");
+		break;
+	case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
+		len = sprintf(buf, "%s\n",
+			      (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ?
+			      "dhcp" : "static");
+		break;
+	case ISCSI_NET_PARAM_IPV6_ADDR:
+		if (iface->iface_num == 0)
+			len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0);
+		if (iface->iface_num == 1)
+			len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1);
+		break;
+	case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
+		len = sprintf(buf, "%pI6\n",
+			      &ha->ip_config.ipv6_link_local_addr);
+		break;
+	case ISCSI_NET_PARAM_IPV6_ROUTER:
+		len = sprintf(buf, "%pI6\n",
+			      &ha->ip_config.ipv6_default_router_addr);
+		break;
+	case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
+		len = sprintf(buf, "%s\n",
+			      (ha->ip_config.ipv6_addl_options &
+			       IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
+			       "nd" : "static");
+		break;
+	case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
+		len = sprintf(buf, "%s\n",
+			      (ha->ip_config.ipv6_addl_options &
+			       IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
+			       "auto" : "static");
+		break;
+	case ISCSI_NET_PARAM_VLAN_ID:
+		if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
+			len = sprintf(buf, "%d\n",
+				      (ha->ip_config.ipv4_vlan_tag &
+				       ISCSI_MAX_VLAN_ID));
+		else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
+			len = sprintf(buf, "%d\n",
+				      (ha->ip_config.ipv6_vlan_tag &
+				       ISCSI_MAX_VLAN_ID));
+		break;
+	case ISCSI_NET_PARAM_VLAN_PRIORITY:
+		if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
+			len = sprintf(buf, "%d\n",
+				      ((ha->ip_config.ipv4_vlan_tag >> 13) &
+					ISCSI_MAX_VLAN_PRIORITY));
+		else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
+			len = sprintf(buf, "%d\n",
+				      ((ha->ip_config.ipv6_vlan_tag >> 13) &
+					ISCSI_MAX_VLAN_PRIORITY));
+		break;
+	case ISCSI_NET_PARAM_VLAN_ENABLED:
+		if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
+			len = sprintf(buf, "%s\n",
+				      (ha->ip_config.ipv4_options &
+				       IPOPT_VLAN_TAGGING_ENABLE) ?
+				       "enabled" : "disabled");
+		else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
+			len = sprintf(buf, "%s\n",
+				      (ha->ip_config.ipv6_options &
+				       IPV6_OPT_VLAN_TAGGING_ENABLE) ?
+				       "enabled" : "disabled");
+		break;
+	case ISCSI_NET_PARAM_MTU:
+		len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
+		break;
+	case ISCSI_NET_PARAM_PORT:
+		if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
+			len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port);
+		else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
+			len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port);
+		break;
+	default:
+		len = -ENOSYS;
+	}
+
+	return len;
 }
 
-static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
+static struct iscsi_endpoint *
+qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
+		   int non_blocking)
 {
-	struct ddb_entry *ddb_entry = session->dd_data;
-	struct scsi_qla_host *ha = ddb_entry->ha;
+	int ret;
+	struct iscsi_endpoint *ep;
+	struct qla_endpoint *qla_ep;
+	struct scsi_qla_host *ha;
+	struct sockaddr_in *addr;
+	struct sockaddr_in6 *addr6;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	if (!shost) {
+		ret = -ENXIO;
+		printk(KERN_ERR "%s: shost is NULL\n",
+		       __func__);
+		return ERR_PTR(ret);
+	}
+
+	ha = iscsi_host_priv(shost);
+
+	ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
+	if (!ep) {
+		ret = -ENOMEM;
+		return ERR_PTR(ret);
+	}
+
+	qla_ep = ep->dd_data;
+	memset(qla_ep, 0, sizeof(struct qla_endpoint));
+	if (dst_addr->sa_family == AF_INET) {
+		memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
+		addr = (struct sockaddr_in *)&qla_ep->dst_addr;
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
+				  (char *)&addr->sin_addr));
+	} else if (dst_addr->sa_family == AF_INET6) {
+		memcpy(&qla_ep->dst_addr, dst_addr,
+		       sizeof(struct sockaddr_in6));
+		addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
+				  (char *)&addr6->sin6_addr));
+	}
+
+	qla_ep->host = shost;
+
+	return ep;
+}
+
+static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
+{
+	struct qla_endpoint *qla_ep;
+	struct scsi_qla_host *ha;
+	int ret = 0;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	qla_ep = ep->dd_data;
+	ha = to_qla_host(qla_ep->host);
+
+	if (adapter_up(ha))
+		ret = 1;
+
+	return ret;
+}
+
+static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
+{
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	iscsi_destroy_endpoint(ep);
+}
+
+static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
+				enum iscsi_param param,
+				char *buf)
+{
+	struct qla_endpoint *qla_ep = ep->dd_data;
+	struct sockaddr *dst_addr;
 
-	if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
-		atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
 
-		DEBUG2(printk("scsi%ld: %s: ddb [%d] session recovery timeout "
-			      "of (%d) secs exhausted, marking device DEAD.\n",
-			      ha->host_no, __func__, ddb_entry->fw_ddb_index,
-			      ddb_entry->sess->recovery_tmo));
+	switch (param) {
+	case ISCSI_PARAM_CONN_PORT:
+	case ISCSI_PARAM_CONN_ADDRESS:
+		if (!qla_ep)
+			return -ENOTCONN;
+
+		dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
+		if (!dst_addr)
+			return -ENOTCONN;
+
+		return iscsi_conn_get_addr_param((struct sockaddr_storage *)
+						 &qla_ep->dst_addr, param, buf);
+	default:
+		return -ENOSYS;
 	}
 }
 
+static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
+				   struct iscsi_stats *stats)
+{
+	struct iscsi_session *sess;
+	struct iscsi_cls_session *cls_sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+	struct ql_iscsi_stats *ql_iscsi_stats;
+	int stats_size;
+	int ret;
+	dma_addr_t iscsi_stats_dma;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+
+	cls_sess = iscsi_conn_to_session(cls_conn);
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
+	/* Allocate memory */
+	ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
+					    &iscsi_stats_dma, GFP_KERNEL);
+	if (!ql_iscsi_stats) {
+		ql4_printk(KERN_ERR, ha,
+			   "Unable to allocate memory for iscsi stats\n");
+		goto exit_get_stats;
+	}
+
+	ret =  qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
+				     iscsi_stats_dma);
+	if (ret != QLA_SUCCESS) {
+		ql4_printk(KERN_ERR, ha,
+			   "Unable to retreive iscsi stats\n");
+		goto free_stats;
+	}
+
+	/* octets */
+	stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
+	stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
+	/* xmit pdus */
+	stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
+	stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
+	stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
+	stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
+	stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
+	stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
+	stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
+	stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
+	/* recv pdus */
+	stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
+	stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
+	stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
+	stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
+	stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
+	stats->logoutrsp_pdus =
+			le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
+	stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
+	stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
+	stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
+
+free_stats:
+	dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
+			  iscsi_stats_dma);
+exit_get_stats:
+	return;
+}
+
+static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
+{
+	struct iscsi_cls_session *session;
+	struct iscsi_session *sess;
+	unsigned long flags;
+	enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
+
+	session = starget_to_session(scsi_target(sc->device));
+	sess = session->dd_data;
+
+	spin_lock_irqsave(&session->lock, flags);
+	if (session->state == ISCSI_SESSION_FAILED)
+		ret = BLK_EH_RESET_TIMER;
+	spin_unlock_irqrestore(&session->lock, flags);
+
+	return ret;
+}
+
 static int qla4xxx_host_get_param(struct Scsi_Host *shost,
 				  enum iscsi_host_param param, char *buf)
 {
@@ -188,9 +550,7 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost,
 		len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
 		break;
 	case ISCSI_HOST_PARAM_IPADDRESS:
-		len = sprintf(buf, "%d.%d.%d.%d\n", ha->ip_address[0],
-			      ha->ip_address[1], ha->ip_address[2],
-			      ha->ip_address[3]);
+		len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
 		break;
 	case ISCSI_HOST_PARAM_INITIATOR_NAME:
 		len = sprintf(buf, "%s\n", ha->name_string);
@@ -202,154 +562,851 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost,
 	return len;
 }
 
-static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
-				  enum iscsi_param param, char *buf)
+static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
 {
-	struct ddb_entry *ddb_entry = sess->dd_data;
-	int len;
+	if (ha->iface_ipv4)
+		return;
 
-	switch (param) {
-	case ISCSI_PARAM_TARGET_NAME:
-		len = snprintf(buf, PAGE_SIZE - 1, "%s\n",
-			       ddb_entry->iscsi_name);
+	/* IPv4 */
+	ha->iface_ipv4 = iscsi_create_iface(ha->host,
+					    &qla4xxx_iscsi_transport,
+					    ISCSI_IFACE_TYPE_IPV4, 0, 0);
+	if (!ha->iface_ipv4)
+		ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
+			   "iface0.\n");
+}
+
+static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
+{
+	if (!ha->iface_ipv6_0)
+		/* IPv6 iface-0 */
+		ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
+						      &qla4xxx_iscsi_transport,
+						      ISCSI_IFACE_TYPE_IPV6, 0,
+						      0);
+	if (!ha->iface_ipv6_0)
+		ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
+			   "iface0.\n");
+
+	if (!ha->iface_ipv6_1)
+		/* IPv6 iface-1 */
+		ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
+						      &qla4xxx_iscsi_transport,
+						      ISCSI_IFACE_TYPE_IPV6, 1,
+						      0);
+	if (!ha->iface_ipv6_1)
+		ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
+			   "iface1.\n");
+}
+
+static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
+{
+	if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
+		qla4xxx_create_ipv4_iface(ha);
+
+	if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
+		qla4xxx_create_ipv6_iface(ha);
+}
+
+static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
+{
+	if (ha->iface_ipv4) {
+		iscsi_destroy_iface(ha->iface_ipv4);
+		ha->iface_ipv4 = NULL;
+	}
+}
+
+static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
+{
+	if (ha->iface_ipv6_0) {
+		iscsi_destroy_iface(ha->iface_ipv6_0);
+		ha->iface_ipv6_0 = NULL;
+	}
+	if (ha->iface_ipv6_1) {
+		iscsi_destroy_iface(ha->iface_ipv6_1);
+		ha->iface_ipv6_1 = NULL;
+	}
+}
+
+static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
+{
+	qla4xxx_destroy_ipv4_iface(ha);
+	qla4xxx_destroy_ipv6_iface(ha);
+}
+
+static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
+			     struct iscsi_iface_param_info *iface_param,
+			     struct addr_ctrl_blk *init_fw_cb)
+{
+	/*
+	 * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
+	 * iface_num 1 is valid only for IPv6 Addr.
+	 */
+	switch (iface_param->param) {
+	case ISCSI_NET_PARAM_IPV6_ADDR:
+		if (iface_param->iface_num & 0x1)
+			/* IPv6 Addr 1 */
+			memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
+			       sizeof(init_fw_cb->ipv6_addr1));
+		else
+			/* IPv6 Addr 0 */
+			memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
+			       sizeof(init_fw_cb->ipv6_addr0));
+		break;
+	case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
+		if (iface_param->iface_num & 0x1)
+			break;
+		memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
+		       sizeof(init_fw_cb->ipv6_if_id));
+		break;
+	case ISCSI_NET_PARAM_IPV6_ROUTER:
+		if (iface_param->iface_num & 0x1)
+			break;
+		memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
+		       sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
+		break;
+	case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
+		/* Autocfg applies to even interface */
+		if (iface_param->iface_num & 0x1)
+			break;
+
+		if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
+			init_fw_cb->ipv6_addtl_opts &=
+				cpu_to_le16(
+				  ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
+		else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
+			init_fw_cb->ipv6_addtl_opts |=
+				cpu_to_le16(
+				  IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
+		else
+			ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
+				   "IPv6 addr\n");
 		break;
-	case ISCSI_PARAM_TPGT:
-		len = sprintf(buf, "%u\n", ddb_entry->tpgt);
+	case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
+		/* Autocfg applies to even interface */
+		if (iface_param->iface_num & 0x1)
+			break;
+
+		if (iface_param->value[0] ==
+		    ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
+			init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
+					IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
+		else if (iface_param->value[0] ==
+			 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
+			init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
+				       ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
+		else
+			ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
+				   "IPv6 linklocal addr\n");
 		break;
-	case ISCSI_PARAM_TARGET_ALIAS:
-		len = snprintf(buf, PAGE_SIZE - 1, "%s\n",
-		    ddb_entry->iscsi_alias);
+	case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
+		/* Autocfg applies to even interface */
+		if (iface_param->iface_num & 0x1)
+			break;
+
+		if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
+			memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
+			       sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
+		break;
+	case ISCSI_NET_PARAM_IFACE_ENABLE:
+		if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
+			init_fw_cb->ipv6_opts |=
+				cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
+			qla4xxx_create_ipv6_iface(ha);
+		} else {
+			init_fw_cb->ipv6_opts &=
+				cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
+					    0xFFFF);
+			qla4xxx_destroy_ipv6_iface(ha);
+		}
+		break;
+	case ISCSI_NET_PARAM_VLAN_TAG:
+		if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
+			break;
+		init_fw_cb->ipv6_vlan_tag =
+				cpu_to_be16(*(uint16_t *)iface_param->value);
+		break;
+	case ISCSI_NET_PARAM_VLAN_ENABLED:
+		if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
+			init_fw_cb->ipv6_opts |=
+				cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
+		else
+			init_fw_cb->ipv6_opts &=
+				cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
+		break;
+	case ISCSI_NET_PARAM_MTU:
+		init_fw_cb->eth_mtu_size =
+				cpu_to_le16(*(uint16_t *)iface_param->value);
+		break;
+	case ISCSI_NET_PARAM_PORT:
+		/* Autocfg applies to even interface */
+		if (iface_param->iface_num & 0x1)
+			break;
+
+		init_fw_cb->ipv6_port =
+				cpu_to_le16(*(uint16_t *)iface_param->value);
 		break;
 	default:
-		return -ENOSYS;
+		ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
+			   iface_param->param);
+		break;
 	}
+}
 
-	return len;
+static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
+			     struct iscsi_iface_param_info *iface_param,
+			     struct addr_ctrl_blk *init_fw_cb)
+{
+	switch (iface_param->param) {
+	case ISCSI_NET_PARAM_IPV4_ADDR:
+		memcpy(init_fw_cb->ipv4_addr, iface_param->value,
+		       sizeof(init_fw_cb->ipv4_addr));
+		break;
+	case ISCSI_NET_PARAM_IPV4_SUBNET:
+		memcpy(init_fw_cb->ipv4_subnet,	iface_param->value,
+		       sizeof(init_fw_cb->ipv4_subnet));
+		break;
+	case ISCSI_NET_PARAM_IPV4_GW:
+		memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
+		       sizeof(init_fw_cb->ipv4_gw_addr));
+		break;
+	case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
+		if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
+			init_fw_cb->ipv4_tcp_opts |=
+					cpu_to_le16(TCPOPT_DHCP_ENABLE);
+		else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
+			init_fw_cb->ipv4_tcp_opts &=
+					cpu_to_le16(~TCPOPT_DHCP_ENABLE);
+		else
+			ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
+		break;
+	case ISCSI_NET_PARAM_IFACE_ENABLE:
+		if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
+			init_fw_cb->ipv4_ip_opts |=
+				cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
+			qla4xxx_create_ipv4_iface(ha);
+		} else {
+			init_fw_cb->ipv4_ip_opts &=
+				cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
+					    0xFFFF);
+			qla4xxx_destroy_ipv4_iface(ha);
+		}
+		break;
+	case ISCSI_NET_PARAM_VLAN_TAG:
+		if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
+			break;
+		init_fw_cb->ipv4_vlan_tag =
+				cpu_to_be16(*(uint16_t *)iface_param->value);
+		break;
+	case ISCSI_NET_PARAM_VLAN_ENABLED:
+		if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
+			init_fw_cb->ipv4_ip_opts |=
+					cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
+		else
+			init_fw_cb->ipv4_ip_opts &=
+					cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
+		break;
+	case ISCSI_NET_PARAM_MTU:
+		init_fw_cb->eth_mtu_size =
+				cpu_to_le16(*(uint16_t *)iface_param->value);
+		break;
+	case ISCSI_NET_PARAM_PORT:
+		init_fw_cb->ipv4_port =
+				cpu_to_le16(*(uint16_t *)iface_param->value);
+		break;
+	default:
+		ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
+			   iface_param->param);
+		break;
+	}
 }
 
-static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
+static void
+qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
+{
+	struct addr_ctrl_blk_def *acb;
+	acb = (struct addr_ctrl_blk_def *)init_fw_cb;
+	memset(acb->reserved1, 0, sizeof(acb->reserved1));
+	memset(acb->reserved2, 0, sizeof(acb->reserved2));
+	memset(acb->reserved3, 0, sizeof(acb->reserved3));
+	memset(acb->reserved4, 0, sizeof(acb->reserved4));
+	memset(acb->reserved5, 0, sizeof(acb->reserved5));
+	memset(acb->reserved6, 0, sizeof(acb->reserved6));
+	memset(acb->reserved7, 0, sizeof(acb->reserved7));
+	memset(acb->reserved8, 0, sizeof(acb->reserved8));
+	memset(acb->reserved9, 0, sizeof(acb->reserved9));
+	memset(acb->reserved10, 0, sizeof(acb->reserved10));
+	memset(acb->reserved11, 0, sizeof(acb->reserved11));
+	memset(acb->reserved12, 0, sizeof(acb->reserved12));
+	memset(acb->reserved13, 0, sizeof(acb->reserved13));
+	memset(acb->reserved14, 0, sizeof(acb->reserved14));
+	memset(acb->reserved15, 0, sizeof(acb->reserved15));
+}
+
+static int
+qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
+{
+	struct scsi_qla_host *ha = to_qla_host(shost);
+	int rval = 0;
+	struct iscsi_iface_param_info *iface_param = NULL;
+	struct addr_ctrl_blk *init_fw_cb = NULL;
+	dma_addr_t init_fw_cb_dma;
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	uint32_t rem = len;
+	struct nlattr *attr;
+
+	init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
+					sizeof(struct addr_ctrl_blk),
+					&init_fw_cb_dma, GFP_KERNEL);
+	if (!init_fw_cb) {
+		ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
+			   __func__);
+		return -ENOMEM;
+	}
+
+	memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
+	memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+	memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+	if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
+		ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
+		rval = -EIO;
+		goto exit_init_fw_cb;
+	}
+
+	nla_for_each_attr(attr, data, len, rem) {
+		iface_param = nla_data(attr);
+
+		if (iface_param->param_type != ISCSI_NET_PARAM)
+			continue;
+
+		switch (iface_param->iface_type) {
+		case ISCSI_IFACE_TYPE_IPV4:
+			switch (iface_param->iface_num) {
+			case 0:
+				qla4xxx_set_ipv4(ha, iface_param, init_fw_cb);
+				break;
+			default:
+				/* Cannot have more than one IPv4 interface */
+				ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface "
+					   "number = %d\n",
+					   iface_param->iface_num);
+				break;
+			}
+			break;
+		case ISCSI_IFACE_TYPE_IPV6:
+			switch (iface_param->iface_num) {
+			case 0:
+			case 1:
+				qla4xxx_set_ipv6(ha, iface_param, init_fw_cb);
+				break;
+			default:
+				/* Cannot have more than two IPv6 interface */
+				ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface "
+					   "number = %d\n",
+					   iface_param->iface_num);
+				break;
+			}
+			break;
+		default:
+			ql4_printk(KERN_ERR, ha, "Invalid iface type\n");
+			break;
+		}
+	}
+
+	init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
+
+	rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
+				 sizeof(struct addr_ctrl_blk),
+				 FLASH_OPT_RMW_COMMIT);
+	if (rval != QLA_SUCCESS) {
+		ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
+			   __func__);
+		rval = -EIO;
+		goto exit_init_fw_cb;
+	}
+
+	qla4xxx_disable_acb(ha);
+
+	qla4xxx_initcb_to_acb(init_fw_cb);
+
+	rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
+	if (rval != QLA_SUCCESS) {
+		ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
+			   __func__);
+		rval = -EIO;
+		goto exit_init_fw_cb;
+	}
+
+	memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
+	qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
+				  init_fw_cb_dma);
+
+exit_init_fw_cb:
+	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
+			  init_fw_cb, init_fw_cb_dma);
+
+	return rval;
+}
+
+static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
 				  enum iscsi_param param, char *buf)
 {
-	struct iscsi_cls_session *session;
-	struct ddb_entry *ddb_entry;
-	int len;
+	struct iscsi_conn *conn;
+	struct qla_conn *qla_conn;
+	struct sockaddr *dst_addr;
+	int len = 0;
 
-	session = iscsi_dev_to_session(conn->dev.parent);
-	ddb_entry = session->dd_data;
+	conn = cls_conn->dd_data;
+	qla_conn = conn->dd_data;
+	dst_addr = &qla_conn->qla_ep->dst_addr;
 
 	switch (param) {
 	case ISCSI_PARAM_CONN_PORT:
-		len = sprintf(buf, "%hu\n", ddb_entry->port);
-		break;
 	case ISCSI_PARAM_CONN_ADDRESS:
-		/* TODO: what are the ipv6 bits */
-		len = sprintf(buf, "%pI4\n", &ddb_entry->ip_addr);
-		break;
+		return iscsi_conn_get_addr_param((struct sockaddr_storage *)
+						 dst_addr, param, buf);
 	default:
-		return -ENOSYS;
+		return iscsi_conn_get_param(cls_conn, param, buf);
 	}
 
 	return len;
+
 }
 
-static int qla4xxx_tgt_dscvr(struct Scsi_Host *shost,
-			     enum iscsi_tgt_dscvr type, uint32_t enable,
-			     struct sockaddr *dst_addr)
+static struct iscsi_cls_session *
+qla4xxx_session_create(struct iscsi_endpoint *ep,
+			uint16_t cmds_max, uint16_t qdepth,
+			uint32_t initial_cmdsn)
 {
+	struct iscsi_cls_session *cls_sess;
 	struct scsi_qla_host *ha;
-	struct sockaddr_in *addr;
-	struct sockaddr_in6 *addr6;
+	struct qla_endpoint *qla_ep;
+	struct ddb_entry *ddb_entry;
+	uint32_t ddb_index;
+	uint32_t mbx_sts = 0;
+	struct iscsi_session *sess;
+	struct sockaddr *dst_addr;
+	int ret;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	if (!ep) {
+		printk(KERN_ERR "qla4xxx: missing ep.\n");
+		return NULL;
+	}
+
+	qla_ep = ep->dd_data;
+	dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
+	ha = to_qla_host(qla_ep->host);
+
+get_ddb_index:
+	ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
+
+	if (ddb_index >= MAX_DDB_ENTRIES) {
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Free DDB index not available\n"));
+		return NULL;
+	}
+
+	if (test_and_set_bit(ddb_index, ha->ddb_idx_map))
+		goto get_ddb_index;
+
+	DEBUG2(ql4_printk(KERN_INFO, ha,
+			  "Found a free DDB index at %d\n", ddb_index));
+	ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts);
+	if (ret == QLA_ERROR) {
+		if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
+			ql4_printk(KERN_INFO, ha,
+				   "DDB index = %d not available trying next\n",
+				   ddb_index);
+			goto get_ddb_index;
+		}
+		DEBUG2(ql4_printk(KERN_INFO, ha,
+				  "Free FW DDB not available\n"));
+		return NULL;
+	}
+
+	cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
+				       cmds_max, sizeof(struct ddb_entry),
+				       sizeof(struct ql4_task_data),
+				       initial_cmdsn, ddb_index);
+	if (!cls_sess)
+		return NULL;
+
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ddb_entry->fw_ddb_index = ddb_index;
+	ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
+	ddb_entry->ha = ha;
+	ddb_entry->sess = cls_sess;
+	cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
+	ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
+	ha->tot_ddbs++;
+
+	return cls_sess;
+}
+
+static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+	unsigned long flags;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	qla4xxx_free_ddb(ha, ddb_entry);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+	iscsi_session_teardown(cls_sess);
+}
+
+static struct iscsi_cls_conn *
+qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
+{
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
+				    conn_idx);
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ddb_entry->conn = cls_conn;
+
+	return cls_conn;
+}
+
+static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
+			     struct iscsi_cls_conn *cls_conn,
+			     uint64_t transport_fd, int is_leading)
+{
+	struct iscsi_conn *conn;
+	struct qla_conn *qla_conn;
+	struct iscsi_endpoint *ep;
+
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+
+	if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
+		return -EINVAL;
+	ep = iscsi_lookup_endpoint(transport_fd);
+	conn = cls_conn->dd_data;
+	qla_conn = conn->dd_data;
+	qla_conn->qla_ep = ep->dd_data;
+	return 0;
+}
+
+static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
+{
+	struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+	struct dev_db_entry *fw_ddb_entry;
+	dma_addr_t fw_ddb_entry_dma;
+	uint32_t mbx_sts = 0;
 	int ret = 0;
+	int status = QLA_SUCCESS;
 
-	ha = (struct scsi_qla_host *) shost->hostdata;
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
 
-	switch (type) {
-	case ISCSI_TGT_DSCVR_SEND_TARGETS:
-		if (dst_addr->sa_family == AF_INET) {
-			addr = (struct sockaddr_in *)dst_addr;
-			if (qla4xxx_send_tgts(ha, (char *)&addr->sin_addr,
-					      addr->sin_port) != QLA_SUCCESS)
-				ret = -EIO;
-		} else if (dst_addr->sa_family == AF_INET6) {
-			/*
-			 * TODO: fix qla4xxx_send_tgts
-			 */
-			addr6 = (struct sockaddr_in6 *)dst_addr;
-			if (qla4xxx_send_tgts(ha, (char *)&addr6->sin6_addr,
-					      addr6->sin6_port) != QLA_SUCCESS)
-				ret = -EIO;
-		} else
-			ret = -ENOSYS;
-		break;
-	default:
-		ret = -ENOSYS;
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+					  &fw_ddb_entry_dma, GFP_KERNEL);
+	if (!fw_ddb_entry) {
+		ql4_printk(KERN_ERR, ha,
+			   "%s: Unable to allocate dma buffer\n", __func__);
+		return -ENOMEM;
+	}
+
+	ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
+	if (ret) {
+		/* If iscsid is stopped and started then no need to do
+		* set param again since ddb state will be already
+		* active and FW does not allow set ddb to an
+		* active session.
+		*/
+		if (mbx_sts)
+			if (ddb_entry->fw_ddb_device_state ==
+						DDB_DS_SESSION_ACTIVE) {
+				iscsi_conn_start(ddb_entry->conn);
+				iscsi_conn_login_event(ddb_entry->conn,
+						ISCSI_CONN_STATE_LOGGED_IN);
+				goto exit_set_param;
+			}
+
+		ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
+			   __func__, ddb_entry->fw_ddb_index);
+		goto exit_conn_start;
+	}
+
+	status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
+	if (status == QLA_ERROR) {
+		ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
+			   sess->targetname);
+		ret = -EINVAL;
+		goto exit_conn_start;
 	}
+
+	if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
+		ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
+
+	DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
+		      ddb_entry->fw_ddb_device_state));
+
+exit_set_param:
+	ret = 0;
+
+exit_conn_start:
+	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+			  fw_ddb_entry, fw_ddb_entry_dma);
 	return ret;
 }
 
-void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry)
+static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
 {
-	if (!ddb_entry->sess)
-		return;
+	struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
+	struct iscsi_session *sess;
+	struct scsi_qla_host *ha;
+	struct ddb_entry *ddb_entry;
+	int options;
 
-	if (ddb_entry->conn) {
-		atomic_set(&ddb_entry->state, DDB_STATE_DEAD);
-		iscsi_remove_session(ddb_entry->sess);
+	DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
+	sess = cls_sess->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+
+	options = LOGOUT_OPTION_CLOSE_SESSION;
+	if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
+		ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
+}
+
+static void qla4xxx_task_work(struct work_struct *wdata)
+{
+	struct ql4_task_data *task_data;
+	struct scsi_qla_host *ha;
+	struct passthru_status *sts;
+	struct iscsi_task *task;
+	struct iscsi_hdr *hdr;
+	uint8_t *data;
+	uint32_t data_len;
+	struct iscsi_conn *conn;
+	int hdr_len;
+	itt_t itt;
+
+	task_data = container_of(wdata, struct ql4_task_data, task_work);
+	ha = task_data->ha;
+	task = task_data->task;
+	sts = &task_data->sts;
+	hdr_len = sizeof(struct iscsi_hdr);
+
+	DEBUG3(printk(KERN_INFO "Status returned\n"));
+	DEBUG3(qla4xxx_dump_buffer(sts, 64));
+	DEBUG3(printk(KERN_INFO "Response buffer"));
+	DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
+
+	conn = task->conn;
+
+	switch (sts->completionStatus) {
+	case PASSTHRU_STATUS_COMPLETE:
+		hdr = (struct iscsi_hdr *)task_data->resp_buffer;
+		/* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
+		itt = sts->handle;
+		hdr->itt = itt;
+		data = task_data->resp_buffer + hdr_len;
+		data_len = task_data->resp_len - hdr_len;
+		iscsi_complete_pdu(conn, hdr, data, data_len);
+		break;
+	default:
+		ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
+			   sts->completionStatus);
+		break;
 	}
-	iscsi_free_session(ddb_entry->sess);
+	return;
 }
 
-int qla4xxx_add_sess(struct ddb_entry *ddb_entry)
+static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
 {
-	int err;
+	struct ql4_task_data *task_data;
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
+	int hdr_len;
 
-	ddb_entry->sess->recovery_tmo = ql4xsess_recovery_tmo;
+	sess = task->conn->session;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+	task_data = task->dd_data;
+	memset(task_data, 0, sizeof(struct ql4_task_data));
 
-	err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index);
-	if (err) {
-		DEBUG2(printk(KERN_ERR "Could not add session.\n"));
-		return err;
+	if (task->sc) {
+		ql4_printk(KERN_INFO, ha,
+			   "%s: SCSI Commands not implemented\n", __func__);
+		return -EINVAL;
 	}
 
-	ddb_entry->conn = iscsi_create_conn(ddb_entry->sess, 0, 0);
-	if (!ddb_entry->conn) {
-		iscsi_remove_session(ddb_entry->sess);
-		DEBUG2(printk(KERN_ERR "Could not add connection.\n"));
-		return -ENOMEM;
+	hdr_len = sizeof(struct iscsi_hdr);
+	task_data->ha = ha;
+	task_data->task = task;
+
+	if (task->data_count) {
+		task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
+						     task->data_count,
+						     PCI_DMA_TODEVICE);
 	}
 
-	/* finally ready to go */
-	iscsi_unblock_session(ddb_entry->sess);
+	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
+		      __func__, task->conn->max_recv_dlength, hdr_len));
+
+	task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
+	task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
+						    task_data->resp_len,
+						    &task_data->resp_dma,
+						    GFP_ATOMIC);
+	if (!task_data->resp_buffer)
+		goto exit_alloc_pdu;
+
+	task_data->req_len = task->data_count + hdr_len;
+	task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
+						   task_data->req_len,
+						   &task_data->req_dma,
+						   GFP_ATOMIC);
+	if (!task_data->req_buffer)
+		goto exit_alloc_pdu;
+
+	task->hdr = task_data->req_buffer;
+
+	INIT_WORK(&task_data->task_work, qla4xxx_task_work);
+
 	return 0;
+
+exit_alloc_pdu:
+	if (task_data->resp_buffer)
+		dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
+				  task_data->resp_buffer, task_data->resp_dma);
+
+	if (task_data->req_buffer)
+		dma_free_coherent(&ha->pdev->dev, task_data->req_len,
+				  task_data->req_buffer, task_data->req_dma);
+	return -ENOMEM;
 }
 
-struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha)
+static void qla4xxx_task_cleanup(struct iscsi_task *task)
 {
+	struct ql4_task_data *task_data;
+	struct iscsi_session *sess;
 	struct ddb_entry *ddb_entry;
-	struct iscsi_cls_session *sess;
-
-	sess = iscsi_alloc_session(ha->host, &qla4xxx_iscsi_transport,
-				   sizeof(struct ddb_entry));
-	if (!sess)
-		return NULL;
+	struct scsi_qla_host *ha;
+	int hdr_len;
 
+	hdr_len = sizeof(struct iscsi_hdr);
+	sess = task->conn->session;
 	ddb_entry = sess->dd_data;
-	memset(ddb_entry, 0, sizeof(*ddb_entry));
-	ddb_entry->ha = ha;
-	ddb_entry->sess = sess;
-	return ddb_entry;
+	ha = ddb_entry->ha;
+	task_data = task->dd_data;
+
+	if (task->data_count) {
+		dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
+				 task->data_count, PCI_DMA_TODEVICE);
+	}
+
+	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
+		      __func__, task->conn->max_recv_dlength, hdr_len));
+
+	dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
+			  task_data->resp_buffer, task_data->resp_dma);
+	dma_free_coherent(&ha->pdev->dev, task_data->req_len,
+			  task_data->req_buffer, task_data->req_dma);
+	return;
 }
 
-static void qla4xxx_scan_start(struct Scsi_Host *shost)
+static int qla4xxx_task_xmit(struct iscsi_task *task)
 {
-	struct scsi_qla_host *ha = shost_priv(shost);
-	struct ddb_entry *ddb_entry, *ddbtemp;
+	struct scsi_cmnd *sc = task->sc;
+	struct iscsi_session *sess = task->conn->session;
+	struct ddb_entry *ddb_entry = sess->dd_data;
+	struct scsi_qla_host *ha = ddb_entry->ha;
+
+	if (!sc)
+		return qla4xxx_send_passthru0(task);
 
-	/* finish setup of sessions that were already setup in firmware */
-	list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
-		if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE)
-			qla4xxx_add_sess(ddb_entry);
+	ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
+		   __func__);
+	return -ENOSYS;
+}
+
+void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
+				       struct ddb_entry *ddb_entry)
+{
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_cls_conn *cls_conn;
+	struct iscsi_session *sess;
+	struct iscsi_conn *conn;
+	uint32_t ddb_state;
+	dma_addr_t fw_ddb_entry_dma;
+	struct dev_db_entry *fw_ddb_entry;
+
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+					  &fw_ddb_entry_dma, GFP_KERNEL);
+	if (!fw_ddb_entry) {
+		ql4_printk(KERN_ERR, ha,
+			   "%s: Unable to allocate dma buffer\n", __func__);
+		return;
 	}
+
+	if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
+				    fw_ddb_entry_dma, NULL, NULL, &ddb_state,
+				    NULL, NULL, NULL) == QLA_ERROR) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+				  "get_ddb_entry for fw_ddb_index %d\n",
+				  ha->host_no, __func__,
+				  ddb_entry->fw_ddb_index));
+		return;
+	}
+
+	cls_sess = ddb_entry->sess;
+	sess = cls_sess->dd_data;
+
+	cls_conn = ddb_entry->conn;
+	conn = cls_conn->dd_data;
+
+	/* Update params */
+	conn->max_recv_dlength = BYTE_UNITS *
+			  le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
+
+	conn->max_xmit_dlength = BYTE_UNITS *
+			  le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
+
+	sess->initial_r2t_en =
+			    (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+	sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
+
+	sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
+
+	sess->first_burst = BYTE_UNITS *
+			       le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
+
+	sess->max_burst = BYTE_UNITS *
+				 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
+
+	sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
+
+	sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
+
+	sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
+
+	memcpy(sess->initiatorname, ha->name_string,
+	       min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
 }
 
 /*
@@ -376,25 +1433,15 @@ static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
 }
 
 /***
- * qla4xxx_mark_device_missing - mark a device as missing.
- * @ha: Pointer to host adapter structure.
+ * qla4xxx_mark_device_missing - blocks the session
+ * @cls_session: Pointer to the session to be blocked
  * @ddb_entry: Pointer to device database entry
  *
  * This routine marks a device missing and close connection.
  **/
-void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
-				 struct ddb_entry *ddb_entry)
+void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
 {
-	if ((atomic_read(&ddb_entry->state) != DDB_STATE_DEAD)) {
-		atomic_set(&ddb_entry->state, DDB_STATE_MISSING);
-		DEBUG2(printk("scsi%ld: ddb [%d] marked MISSING\n",
-		    ha->host_no, ddb_entry->fw_ddb_index));
-	} else
-		DEBUG2(printk("scsi%ld: ddb [%d] DEAD\n", ha->host_no,
-		    ddb_entry->fw_ddb_index))
-
-	iscsi_block_session(ddb_entry->sess);
-	iscsi_conn_error_event(ddb_entry->conn, ISCSI_ERR_CONN_FAILED);
+	iscsi_block_session(cls_session);
 }
 
 /**
@@ -405,10 +1452,7 @@ void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
  **/
 void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
 {
-	struct ddb_entry *ddb_entry, *ddbtemp;
-	list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) {
-		qla4xxx_mark_device_missing(ha, ddb_entry);
-	}
+	iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
 }
 
 static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
@@ -495,20 +1539,13 @@ static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 		goto qc_fail_command;
 	}
 
-	if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
-		if (atomic_read(&ddb_entry->state) == DDB_STATE_DEAD) {
-			cmd->result = DID_NO_CONNECT << 16;
-			goto qc_fail_command;
-		}
-		return SCSI_MLQUEUE_TARGET_BUSY;
-	}
-
 	if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
 	    test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
 	    test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
 	    test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
 	    test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
 	    !test_bit(AF_ONLINE, &ha->flags) ||
+	    !test_bit(AF_LINK_UP, &ha->flags) ||
 	    test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
 		goto qc_host_busy;
 
@@ -563,6 +1600,13 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha)
 
 	ha->srb_mempool = NULL;
 
+	if (ha->chap_dma_pool)
+		dma_pool_destroy(ha->chap_dma_pool);
+
+	if (ha->chap_list)
+		vfree(ha->chap_list);
+	ha->chap_list = NULL;
+
 	/* release io space registers  */
 	if (is_qla8022(ha)) {
 		if (ha->nx_pcibase)
@@ -636,6 +1680,15 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
 		goto mem_alloc_error_exit;
 	}
 
+	ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
+					    CHAP_DMA_BLOCK_SIZE, 8, 0);
+
+	if (ha->chap_dma_pool == NULL) {
+		ql4_printk(KERN_WARNING, ha,
+		    "%s: chap_dma_pool allocation failed..\n", __func__);
+		goto mem_alloc_error_exit;
+	}
+
 	return QLA_SUCCESS;
 
 mem_alloc_error_exit:
@@ -753,7 +1806,6 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
  **/
 static void qla4xxx_timer(struct scsi_qla_host *ha)
 {
-	struct ddb_entry *ddb_entry, *dtemp;
 	int start_dpc = 0;
 	uint16_t w;
 
@@ -773,69 +1825,6 @@ static void qla4xxx_timer(struct scsi_qla_host *ha)
 		qla4_8xxx_watchdog(ha);
 	}
 
-	/* Search for relogin's to time-out and port down retry. */
-	list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) {
-		/* Count down time between sending relogins */
-		if (adapter_up(ha) &&
-		    !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
-		    atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) {
-			if (atomic_read(&ddb_entry->retry_relogin_timer) !=
-			    INVALID_ENTRY) {
-				if (atomic_read(&ddb_entry->retry_relogin_timer)
-				    		== 0) {
-					atomic_set(&ddb_entry->
-						retry_relogin_timer,
-						INVALID_ENTRY);
-					set_bit(DPC_RELOGIN_DEVICE,
-						&ha->dpc_flags);
-					set_bit(DF_RELOGIN, &ddb_entry->flags);
-					DEBUG2(printk("scsi%ld: %s: ddb [%d]"
-						      " login device\n",
-						      ha->host_no, __func__,
-						      ddb_entry->fw_ddb_index));
-				} else
-					atomic_dec(&ddb_entry->
-							retry_relogin_timer);
-			}
-		}
-
-		/* Wait for relogin to timeout */
-		if (atomic_read(&ddb_entry->relogin_timer) &&
-		    (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
-			/*
-			 * If the relogin times out and the device is
-			 * still NOT ONLINE then try and relogin again.
-			 */
-			if (atomic_read(&ddb_entry->state) !=
-			    DDB_STATE_ONLINE &&
-			    ddb_entry->fw_ddb_device_state ==
-			    DDB_DS_SESSION_FAILED) {
-				/* Reset retry relogin timer */
-				atomic_inc(&ddb_entry->relogin_retry_count);
-				DEBUG2(printk("scsi%ld: ddb [%d] relogin"
-					      " timed out-retrying"
-					      " relogin (%d)\n",
-					      ha->host_no,
-					      ddb_entry->fw_ddb_index,
-					      atomic_read(&ddb_entry->
-							  relogin_retry_count))
-					);
-				start_dpc++;
-				DEBUG(printk("scsi%ld:%d:%d: ddb [%d] "
-					     "initiate relogin after"
-					     " %d seconds\n",
-					     ha->host_no, ddb_entry->bus,
-					     ddb_entry->target,
-					     ddb_entry->fw_ddb_index,
-					     ddb_entry->default_time2wait + 4)
-					);
-
-				atomic_set(&ddb_entry->retry_relogin_timer,
-					   ddb_entry->default_time2wait + 4);
-			}
-		}
-	}
-
 	if (!is_qla8022(ha)) {
 		/* Check for heartbeat interval. */
 		if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
@@ -1081,6 +2070,17 @@ void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
 	clear_bit(AF_INIT_DONE, &ha->flags);
 }
 
+static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
+{
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
+	iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED);
+}
+
 /**
  * qla4xxx_recover_adapter - recovers adapter after a fatal error
  * @ha: Pointer to host adapter structure.
@@ -1093,11 +2093,14 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
 	/* Stall incoming I/O until we are done */
 	scsi_block_requests(ha->host);
 	clear_bit(AF_ONLINE, &ha->flags);
+	clear_bit(AF_LINK_UP, &ha->flags);
 
 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
 
 	set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
 
+	iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
+
 	if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
 		reset_chip = 1;
 
@@ -1160,7 +2163,7 @@ recover_ha_init_adapter:
 
 		/* NOTE: AF_ONLINE flag set upon successful completion of
 		 *       qla4xxx_initialize_adapter */
-		status = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
+		status = qla4xxx_initialize_adapter(ha);
 	}
 
 	/* Retry failed adapter initialization, if necessary
@@ -1225,27 +2228,34 @@ recover_ha_init_adapter:
 	return status;
 }
 
-static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
+static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
 {
-	struct ddb_entry *ddb_entry, *dtemp;
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb_entry;
+	struct scsi_qla_host *ha;
 
-	list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) {
-		if ((atomic_read(&ddb_entry->state) == DDB_STATE_MISSING) ||
-		    (atomic_read(&ddb_entry->state) == DDB_STATE_DEAD)) {
-			if (ddb_entry->fw_ddb_device_state ==
-			    DDB_DS_SESSION_ACTIVE) {
-				atomic_set(&ddb_entry->state, DDB_STATE_ONLINE);
-				ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
-				    " marked ONLINE\n",	ha->host_no, __func__,
-				    ddb_entry->fw_ddb_index);
-
-				iscsi_unblock_session(ddb_entry->sess);
-			} else
-				qla4xxx_relogin_device(ha, ddb_entry);
+	sess = cls_session->dd_data;
+	ddb_entry = sess->dd_data;
+	ha = ddb_entry->ha;
+	if (!iscsi_is_session_online(cls_session)) {
+		if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
+			ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
+				   " unblock session\n", ha->host_no, __func__,
+				   ddb_entry->fw_ddb_index);
+			iscsi_unblock_session(ddb_entry->sess);
+		} else {
+			/* Trigger relogin */
+			iscsi_session_failure(cls_session->dd_data,
+					      ISCSI_ERR_CONN_FAILED);
 		}
 	}
 }
 
+static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
+{
+	iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
+}
+
 void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
 {
 	if (ha->dpc_thread)
@@ -1267,7 +2277,6 @@ static void qla4xxx_do_dpc(struct work_struct *work)
 {
 	struct scsi_qla_host *ha =
 		container_of(work, struct scsi_qla_host, dpc_work);
-	struct ddb_entry *ddb_entry, *dtemp;
 	int status = QLA_ERROR;
 
 	DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
@@ -1363,31 +2372,6 @@ dpc_post_reset_ha:
 			qla4xxx_relogin_all_devices(ha);
 		}
 	}
-
-	/* ---- relogin device? --- */
-	if (adapter_up(ha) &&
-	    test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
-		list_for_each_entry_safe(ddb_entry, dtemp,
-					 &ha->ddb_list, list) {
-			if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
-			    atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)
-				qla4xxx_relogin_device(ha, ddb_entry);
-
-			/*
-			 * If mbx cmd times out there is no point
-			 * in continuing further.
-			 * With large no of targets this can hang
-			 * the system.
-			 */
-			if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
-				printk(KERN_WARNING "scsi%ld: %s: "
-				       "need to reset hba\n",
-				       ha->host_no, __func__);
-				break;
-			}
-		}
-	}
-
 }
 
 /**
@@ -1410,6 +2394,10 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
 	if (ha->dpc_thread)
 		destroy_workqueue(ha->dpc_thread);
 
+	/* Kill the kernel thread for this host */
+	if (ha->task_wq)
+		destroy_workqueue(ha->task_wq);
+
 	/* Put firmware in known state */
 	ha->isp_ops->reset_firmware(ha);
 
@@ -1601,6 +2589,594 @@ uint16_t qla4_8xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
 	return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->rsp_q_in));
 }
 
+static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
+{
+	struct scsi_qla_host *ha = data;
+	char *str = buf;
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_ETH_FLAGS:
+		rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
+		break;
+	case ISCSI_BOOT_ETH_INDEX:
+		rc = sprintf(str, "0\n");
+		break;
+	case ISCSI_BOOT_ETH_MAC:
+		rc = sysfs_format_mac(str, ha->my_mac,
+				      MAC_ADDR_LEN);
+		break;
+	default:
+		rc = -ENOSYS;
+		break;
+	}
+	return rc;
+}
+
+static mode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
+{
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_ETH_FLAGS:
+	case ISCSI_BOOT_ETH_MAC:
+	case ISCSI_BOOT_ETH_INDEX:
+		rc = S_IRUGO;
+		break;
+	default:
+		rc = 0;
+		break;
+	}
+	return rc;
+}
+
+static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
+{
+	struct scsi_qla_host *ha = data;
+	char *str = buf;
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_INI_INITIATOR_NAME:
+		rc = sprintf(str, "%s\n", ha->name_string);
+		break;
+	default:
+		rc = -ENOSYS;
+		break;
+	}
+	return rc;
+}
+
+static mode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
+{
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_INI_INITIATOR_NAME:
+		rc = S_IRUGO;
+		break;
+	default:
+		rc = 0;
+		break;
+	}
+	return rc;
+}
+
+static ssize_t
+qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
+			   char *buf)
+{
+	struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
+	char *str = buf;
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_TGT_NAME:
+		rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
+		break;
+	case ISCSI_BOOT_TGT_IP_ADDR:
+		if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
+			rc = sprintf(buf, "%pI4\n",
+				     &boot_conn->dest_ipaddr.ip_address);
+		else
+			rc = sprintf(str, "%pI6\n",
+				     &boot_conn->dest_ipaddr.ip_address);
+		break;
+	case ISCSI_BOOT_TGT_PORT:
+			rc = sprintf(str, "%d\n", boot_conn->dest_port);
+		break;
+	case ISCSI_BOOT_TGT_CHAP_NAME:
+		rc = sprintf(str,  "%.*s\n",
+			     boot_conn->chap.target_chap_name_length,
+			     (char *)&boot_conn->chap.target_chap_name);
+		break;
+	case ISCSI_BOOT_TGT_CHAP_SECRET:
+		rc = sprintf(str,  "%.*s\n",
+			     boot_conn->chap.target_secret_length,
+			     (char *)&boot_conn->chap.target_secret);
+		break;
+	case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+		rc = sprintf(str,  "%.*s\n",
+			     boot_conn->chap.intr_chap_name_length,
+			     (char *)&boot_conn->chap.intr_chap_name);
+		break;
+	case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+		rc = sprintf(str,  "%.*s\n",
+			     boot_conn->chap.intr_secret_length,
+			     (char *)&boot_conn->chap.intr_secret);
+		break;
+	case ISCSI_BOOT_TGT_FLAGS:
+		rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
+		break;
+	case ISCSI_BOOT_TGT_NIC_ASSOC:
+		rc = sprintf(str, "0\n");
+		break;
+	default:
+		rc = -ENOSYS;
+		break;
+	}
+	return rc;
+}
+
+static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
+{
+	struct scsi_qla_host *ha = data;
+	struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
+
+	return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
+}
+
+static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
+{
+	struct scsi_qla_host *ha = data;
+	struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
+
+	return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
+}
+
+static mode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
+{
+	int rc;
+
+	switch (type) {
+	case ISCSI_BOOT_TGT_NAME:
+	case ISCSI_BOOT_TGT_IP_ADDR:
+	case ISCSI_BOOT_TGT_PORT:
+	case ISCSI_BOOT_TGT_CHAP_NAME:
+	case ISCSI_BOOT_TGT_CHAP_SECRET:
+	case ISCSI_BOOT_TGT_REV_CHAP_NAME:
+	case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
+	case ISCSI_BOOT_TGT_NIC_ASSOC:
+	case ISCSI_BOOT_TGT_FLAGS:
+		rc = S_IRUGO;
+		break;
+	default:
+		rc = 0;
+		break;
+	}
+	return rc;
+}
+
+static void qla4xxx_boot_release(void *data)
+{
+	struct scsi_qla_host *ha = data;
+
+	scsi_host_put(ha->host);
+}
+
+static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
+{
+	dma_addr_t buf_dma;
+	uint32_t addr, pri_addr, sec_addr;
+	uint32_t offset;
+	uint16_t func_num;
+	uint8_t val;
+	uint8_t *buf = NULL;
+	size_t size = 13 * sizeof(uint8_t);
+	int ret = QLA_SUCCESS;
+
+	func_num = PCI_FUNC(ha->pdev->devfn);
+
+	ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
+		   __func__, ha->pdev->device, func_num);
+
+	if (is_qla40XX(ha)) {
+		if (func_num == 1) {
+			addr = NVRAM_PORT0_BOOT_MODE;
+			pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
+			sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
+		} else if (func_num == 3) {
+			addr = NVRAM_PORT1_BOOT_MODE;
+			pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
+			sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
+		} else {
+			ret = QLA_ERROR;
+			goto exit_boot_info;
+		}
+
+		/* Check Boot Mode */
+		val = rd_nvram_byte(ha, addr);
+		if (!(val & 0x07)) {
+			DEBUG2(ql4_printk(KERN_ERR, ha,
+					  "%s: Failed Boot options : 0x%x\n",
+					  __func__, val));
+			ret = QLA_ERROR;
+			goto exit_boot_info;
+		}
+
+		/* get primary valid target index */
+		val = rd_nvram_byte(ha, pri_addr);
+		if (val & BIT_7)
+			ddb_index[0] = (val & 0x7f);
+
+		/* get secondary valid target index */
+		val = rd_nvram_byte(ha, sec_addr);
+		if (val & BIT_7)
+			ddb_index[1] = (val & 0x7f);
+
+	} else if (is_qla8022(ha)) {
+		buf = dma_alloc_coherent(&ha->pdev->dev, size,
+					 &buf_dma, GFP_KERNEL);
+		if (!buf) {
+			DEBUG2(ql4_printk(KERN_ERR, ha,
+					  "%s: Unable to allocate dma buffer\n",
+					   __func__));
+			ret = QLA_ERROR;
+			goto exit_boot_info;
+		}
+
+		if (ha->port_num == 0)
+			offset = BOOT_PARAM_OFFSET_PORT0;
+		else if (ha->port_num == 1)
+			offset = BOOT_PARAM_OFFSET_PORT1;
+		else {
+			ret = QLA_ERROR;
+			goto exit_boot_info_free;
+		}
+		addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
+		       offset;
+		if (qla4xxx_get_flash(ha, buf_dma, addr,
+				      13 * sizeof(uint8_t)) != QLA_SUCCESS) {
+			DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
+					  "failed\n", ha->host_no, __func__));
+			ret = QLA_ERROR;
+			goto exit_boot_info_free;
+		}
+		/* Check Boot Mode */
+		if (!(buf[1] & 0x07)) {
+			DEBUG2(ql4_printk(KERN_INFO, ha,
+					  "Failed: Boot options : 0x%x\n",
+					  buf[1]));
+			ret = QLA_ERROR;
+			goto exit_boot_info_free;
+		}
+
+		/* get primary valid target index */
+		if (buf[2] & BIT_7)
+			ddb_index[0] = buf[2] & 0x7f;
+
+		/* get secondary valid target index */
+		if (buf[11] & BIT_7)
+			ddb_index[1] = buf[11] & 0x7f;
+	} else {
+		ret = QLA_ERROR;
+		goto exit_boot_info;
+	}
+
+	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
+			  " target ID %d\n", __func__, ddb_index[0],
+			  ddb_index[1]));
+
+exit_boot_info_free:
+	dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
+exit_boot_info:
+	return ret;
+}
+
+/**
+ * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
+ * @ha: pointer to adapter structure
+ * @username: CHAP username to be returned
+ * @password: CHAP password to be returned
+ *
+ * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
+ * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
+ * So from the CHAP cache find the first BIDI CHAP entry and set it
+ * to the boot record in sysfs.
+ **/
+static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
+			    char *password)
+{
+	int i, ret = -EINVAL;
+	int max_chap_entries = 0;
+	struct ql4_chap_table *chap_table;
+
+	if (is_qla8022(ha))
+		max_chap_entries = (ha->hw.flt_chap_size / 2) /
+						sizeof(struct ql4_chap_table);
+	else
+		max_chap_entries = MAX_CHAP_ENTRIES_40XX;
+
+	if (!ha->chap_list) {
+		ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
+		return ret;
+	}
+
+	mutex_lock(&ha->chap_sem);
+	for (i = 0; i < max_chap_entries; i++) {
+		chap_table = (struct ql4_chap_table *)ha->chap_list + i;
+		if (chap_table->cookie !=
+		    __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
+			continue;
+		}
+
+		if (chap_table->flags & BIT_7) /* local */
+			continue;
+
+		if (!(chap_table->flags & BIT_6)) /* Not BIDI */
+			continue;
+
+		strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
+		strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
+		ret = 0;
+		break;
+	}
+	mutex_unlock(&ha->chap_sem);
+
+	return ret;
+}
+
+
+static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
+				   struct ql4_boot_session_info *boot_sess,
+				   uint16_t ddb_index)
+{
+	struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
+	struct dev_db_entry *fw_ddb_entry;
+	dma_addr_t fw_ddb_entry_dma;
+	uint16_t idx;
+	uint16_t options;
+	int ret = QLA_SUCCESS;
+
+	fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+					  &fw_ddb_entry_dma, GFP_KERNEL);
+	if (!fw_ddb_entry) {
+		DEBUG2(ql4_printk(KERN_ERR, ha,
+				  "%s: Unable to allocate dma buffer.\n",
+				  __func__));
+		ret = QLA_ERROR;
+		return ret;
+	}
+
+	if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
+				   fw_ddb_entry_dma, ddb_index)) {
+		DEBUG2(ql4_printk(KERN_ERR, ha,
+				  "%s: Flash DDB read Failed\n", __func__));
+		ret = QLA_ERROR;
+		goto exit_boot_target;
+	}
+
+	/* Update target name and IP from DDB */
+	memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
+	       min(sizeof(boot_sess->target_name),
+		   sizeof(fw_ddb_entry->iscsi_name)));
+
+	options = le16_to_cpu(fw_ddb_entry->options);
+	if (options & DDB_OPT_IPV6_DEVICE) {
+		memcpy(&boot_conn->dest_ipaddr.ip_address,
+		       &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
+	} else {
+		boot_conn->dest_ipaddr.ip_type = 0x1;
+		memcpy(&boot_conn->dest_ipaddr.ip_address,
+		       &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
+	}
+
+	boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
+
+	/* update chap information */
+	idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
+
+	if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options))	{
+
+		DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
+
+		ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
+				       target_chap_name,
+				       (char *)&boot_conn->chap.target_secret,
+				       idx);
+		if (ret) {
+			ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
+			ret = QLA_ERROR;
+			goto exit_boot_target;
+		}
+
+		boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
+		boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
+	}
+
+	if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
+
+		DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
+
+		ret = qla4xxx_get_bidi_chap(ha,
+				    (char *)&boot_conn->chap.intr_chap_name,
+				    (char *)&boot_conn->chap.intr_secret);
+
+		if (ret) {
+			ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
+			ret = QLA_ERROR;
+			goto exit_boot_target;
+		}
+
+		boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
+		boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
+	}
+
+exit_boot_target:
+	dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
+			  fw_ddb_entry, fw_ddb_entry_dma);
+	return ret;
+}
+
+static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
+{
+	uint16_t ddb_index[2];
+	int ret = QLA_ERROR;
+	int rval;
+
+	memset(ddb_index, 0, sizeof(ddb_index));
+	ddb_index[0] = 0xffff;
+	ddb_index[1] = 0xffff;
+	ret = get_fw_boot_info(ha, ddb_index);
+	if (ret != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha,
+				  "%s: Failed to set boot info.\n", __func__));
+		return ret;
+	}
+
+	if (ddb_index[0] == 0xffff)
+		goto sec_target;
+
+	rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
+				      ddb_index[0]);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get "
+				  "primary target\n", __func__));
+	} else
+		ret = QLA_SUCCESS;
+
+sec_target:
+	if (ddb_index[1] == 0xffff)
+		goto exit_get_boot_info;
+
+	rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
+				      ddb_index[1]);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get "
+				  "secondary target\n", __func__));
+	} else
+		ret = QLA_SUCCESS;
+
+exit_get_boot_info:
+	return ret;
+}
+
+static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
+{
+	struct iscsi_boot_kobj *boot_kobj;
+
+	if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
+		return 0;
+
+	ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
+	if (!ha->boot_kset)
+		goto kset_free;
+
+	if (!scsi_host_get(ha->host))
+		goto kset_free;
+	boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
+					     qla4xxx_show_boot_tgt_pri_info,
+					     qla4xxx_tgt_get_attr_visibility,
+					     qla4xxx_boot_release);
+	if (!boot_kobj)
+		goto put_host;
+
+	if (!scsi_host_get(ha->host))
+		goto kset_free;
+	boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
+					     qla4xxx_show_boot_tgt_sec_info,
+					     qla4xxx_tgt_get_attr_visibility,
+					     qla4xxx_boot_release);
+	if (!boot_kobj)
+		goto put_host;
+
+	if (!scsi_host_get(ha->host))
+		goto kset_free;
+	boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
+					       qla4xxx_show_boot_ini_info,
+					       qla4xxx_ini_get_attr_visibility,
+					       qla4xxx_boot_release);
+	if (!boot_kobj)
+		goto put_host;
+
+	if (!scsi_host_get(ha->host))
+		goto kset_free;
+	boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
+					       qla4xxx_show_boot_eth_info,
+					       qla4xxx_eth_get_attr_visibility,
+					       qla4xxx_boot_release);
+	if (!boot_kobj)
+		goto put_host;
+
+	return 0;
+
+put_host:
+	scsi_host_put(ha->host);
+kset_free:
+	iscsi_boot_destroy_kset(ha->boot_kset);
+	return -ENOMEM;
+}
+
+
+/**
+ * qla4xxx_create chap_list - Create CHAP list from FLASH
+ * @ha: pointer to adapter structure
+ *
+ * Read flash and make a list of CHAP entries, during login when a CHAP entry
+ * is received, it will be checked in this list. If entry exist then the CHAP
+ * entry index is set in the DDB. If CHAP entry does not exist in this list
+ * then a new entry is added in FLASH in CHAP table and the index obtained is
+ * used in the DDB.
+ **/
+static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
+{
+	int rval = 0;
+	uint8_t *chap_flash_data = NULL;
+	uint32_t offset;
+	dma_addr_t chap_dma;
+	uint32_t chap_size = 0;
+
+	if (is_qla40XX(ha))
+		chap_size = MAX_CHAP_ENTRIES_40XX  *
+					sizeof(struct ql4_chap_table);
+	else	/* Single region contains CHAP info for both
+		 * ports which is divided into half for each port.
+		 */
+		chap_size = ha->hw.flt_chap_size / 2;
+
+	chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
+					  &chap_dma, GFP_KERNEL);
+	if (!chap_flash_data) {
+		ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
+		return;
+	}
+	if (is_qla40XX(ha))
+		offset = FLASH_CHAP_OFFSET;
+	else {
+		offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
+		if (ha->port_num == 1)
+			offset += chap_size;
+	}
+
+	rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
+	if (rval != QLA_SUCCESS)
+		goto exit_chap_list;
+
+	if (ha->chap_list == NULL)
+		ha->chap_list = vmalloc(chap_size);
+	if (ha->chap_list == NULL) {
+		ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
+		goto exit_chap_list;
+	}
+
+	memcpy(ha->chap_list, chap_flash_data, chap_size);
+
+exit_chap_list:
+	dma_free_coherent(&ha->pdev->dev, chap_size,
+			chap_flash_data, chap_dma);
+	return;
+}
+
 /**
  * qla4xxx_probe_adapter - callback function to probe HBA
  * @pdev: pointer to pci_dev structure
@@ -1624,7 +3200,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	if (pci_enable_device(pdev))
 		return -1;
 
-	host = scsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha));
+	host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
 	if (host == NULL) {
 		printk(KERN_WARNING
 		       "qla4xxx: Couldn't allocate host from scsi layer!\n");
@@ -1632,7 +3208,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	}
 
 	/* Clear our data area */
-	ha = (struct scsi_qla_host *) host->hostdata;
+	ha = to_qla_host(host);
 	memset(ha, 0, sizeof(*ha));
 
 	/* Save the information from PCI BIOS.	*/
@@ -1675,11 +3251,12 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	qla4xxx_config_dma_addressing(ha);
 
 	/* Initialize lists and spinlocks. */
-	INIT_LIST_HEAD(&ha->ddb_list);
 	INIT_LIST_HEAD(&ha->free_srb_q);
 
 	mutex_init(&ha->mbox_sem);
+	mutex_init(&ha->chap_sem);
 	init_completion(&ha->mbx_intr_comp);
+	init_completion(&ha->disable_acb_comp);
 
 	spin_lock_init(&ha->hardware_lock);
 
@@ -1692,6 +3269,27 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		goto probe_failed;
 	}
 
+	host->cmd_per_lun = 3;
+	host->max_channel = 0;
+	host->max_lun = MAX_LUNS - 1;
+	host->max_id = MAX_TARGETS;
+	host->max_cmd_len = IOCB_MAX_CDB_LEN;
+	host->can_queue = MAX_SRBS ;
+	host->transportt = qla4xxx_scsi_transport;
+
+	ret = scsi_init_shared_tag_map(host, MAX_SRBS);
+	if (ret) {
+		ql4_printk(KERN_WARNING, ha,
+			   "%s: scsi_init_shared_tag_map failed\n", __func__);
+		goto probe_failed;
+	}
+
+	pci_set_drvdata(pdev, ha);
+
+	ret = scsi_add_host(host, &pdev->dev);
+	if (ret)
+		goto probe_failed;
+
 	if (is_qla8022(ha))
 		(void) qla4_8xxx_get_flash_info(ha);
 
@@ -1700,7 +3298,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	 * firmware
 	 * NOTE: interrupts enabled upon successful completion
 	 */
-	status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
+	status = qla4xxx_initialize_adapter(ha);
 	while ((!test_bit(AF_ONLINE, &ha->flags)) &&
 	    init_retry_count++ < MAX_INIT_RETRIES) {
 
@@ -1721,7 +3319,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
 			continue;
 
-		status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST);
+		status = qla4xxx_initialize_adapter(ha);
 	}
 
 	if (!test_bit(AF_ONLINE, &ha->flags)) {
@@ -1736,24 +3334,9 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 			qla4_8xxx_idc_unlock(ha);
 		}
 		ret = -ENODEV;
-		goto probe_failed;
+		goto remove_host;
 	}
 
-	host->cmd_per_lun = 3;
-	host->max_channel = 0;
-	host->max_lun = MAX_LUNS - 1;
-	host->max_id = MAX_TARGETS;
-	host->max_cmd_len = IOCB_MAX_CDB_LEN;
-	host->can_queue = MAX_SRBS ;
-	host->transportt = qla4xxx_scsi_transport;
-
-        ret = scsi_init_shared_tag_map(host, MAX_SRBS);
-        if (ret) {
-		ql4_printk(KERN_WARNING, ha,
-		    "scsi_init_shared_tag_map failed\n");
-		goto probe_failed;
-        }
-
 	/* Startup the kernel thread for this host adapter. */
 	DEBUG2(printk("scsi: %s: Starting kernel thread for "
 		      "qla4xxx_dpc\n", __func__));
@@ -1762,10 +3345,18 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 	if (!ha->dpc_thread) {
 		ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
 		ret = -ENODEV;
-		goto probe_failed;
+		goto remove_host;
 	}
 	INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
 
+	sprintf(buf, "qla4xxx_%lu_task", ha->host_no);
+	ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1);
+	if (!ha->task_wq) {
+		ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
+		ret = -ENODEV;
+		goto remove_host;
+	}
+
 	/* For ISP-82XX, request_irqs is called in qla4_8xxx_load_risc
 	 * (which is called indirectly by qla4xxx_initialize_adapter),
 	 * so that irqs will be registered after crbinit but before
@@ -1776,7 +3367,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 		if (ret) {
 			ql4_printk(KERN_WARNING, ha, "Failed to reserve "
 			    "interrupt %d already in use.\n", pdev->irq);
-			goto probe_failed;
+			goto remove_host;
 		}
 	}
 
@@ -1788,21 +3379,25 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev,
 
 	set_bit(AF_INIT_DONE, &ha->flags);
 
-	pci_set_drvdata(pdev, ha);
-
-	ret = scsi_add_host(host, &pdev->dev);
-	if (ret)
-		goto probe_failed;
-
 	printk(KERN_INFO
 	       " QLogic iSCSI HBA Driver version: %s\n"
 	       "  QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
 	       qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
 	       ha->host_no, ha->firmware_version[0], ha->firmware_version[1],
 	       ha->patch_number, ha->build_number);
-	scsi_scan_host(host);
+
+	qla4xxx_create_chap_list(ha);
+
+	if (qla4xxx_setup_boot_info(ha))
+		ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n",
+			   __func__);
+
+	qla4xxx_create_ifaces(ha);
 	return 0;
 
+remove_host:
+	scsi_remove_host(ha->host);
+
 probe_failed:
 	qla4xxx_free_adapter(ha);
 
@@ -1867,8 +3462,11 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev)
 	if (!is_qla8022(ha))
 		qla4xxx_prevent_other_port_reinit(ha);
 
-	/* remove devs from iscsi_sessions to scsi_devices */
-	qla4xxx_free_ddb_list(ha);
+	/* destroy iface from sysfs */
+	qla4xxx_destroy_ifaces(ha);
+
+	if (ha->boot_kset)
+		iscsi_boot_destroy_kset(ha->boot_kset);
 
 	scsi_remove_host(ha->host);
 
@@ -1907,10 +3505,15 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
 
 static int qla4xxx_slave_alloc(struct scsi_device *sdev)
 {
-	struct iscsi_cls_session *sess = starget_to_session(sdev->sdev_target);
-	struct ddb_entry *ddb = sess->dd_data;
+	struct iscsi_cls_session *cls_sess;
+	struct iscsi_session *sess;
+	struct ddb_entry *ddb;
 	int queue_depth = QL4_DEF_QDEPTH;
 
+	cls_sess = starget_to_session(sdev->sdev_target);
+	sess = cls_sess->dd_data;
+	ddb = sess->dd_data;
+
 	sdev->hostdata = ddb;
 	sdev->tagged_supported = 1;
 
@@ -2248,7 +3851,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	int return_status = FAILED;
 	struct scsi_qla_host *ha;
 
-	ha = (struct scsi_qla_host *) cmd->device->host->hostdata;
+	ha = to_qla_host(cmd->device->host);
 
 	if (ql4xdontresethba) {
 		DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
@@ -2284,6 +3887,110 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
 	return return_status;
 }
 
+static int qla4xxx_context_reset(struct scsi_qla_host *ha)
+{
+	uint32_t mbox_cmd[MBOX_REG_COUNT];
+	uint32_t mbox_sts[MBOX_REG_COUNT];
+	struct addr_ctrl_blk_def *acb = NULL;
+	uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
+	int rval = QLA_SUCCESS;
+	dma_addr_t acb_dma;
+
+	acb = dma_alloc_coherent(&ha->pdev->dev,
+				 sizeof(struct addr_ctrl_blk_def),
+				 &acb_dma, GFP_KERNEL);
+	if (!acb) {
+		ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
+			   __func__);
+		rval = -ENOMEM;
+		goto exit_port_reset;
+	}
+
+	memset(acb, 0, acb_len);
+
+	rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
+	if (rval != QLA_SUCCESS) {
+		rval = -EIO;
+		goto exit_free_acb;
+	}
+
+	rval = qla4xxx_disable_acb(ha);
+	if (rval != QLA_SUCCESS) {
+		rval = -EIO;
+		goto exit_free_acb;
+	}
+
+	wait_for_completion_timeout(&ha->disable_acb_comp,
+				    DISABLE_ACB_TOV * HZ);
+
+	rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
+	if (rval != QLA_SUCCESS) {
+		rval = -EIO;
+		goto exit_free_acb;
+	}
+
+exit_free_acb:
+	dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
+			  acb, acb_dma);
+exit_port_reset:
+	DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
+			  rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
+	return rval;
+}
+
+static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
+{
+	struct scsi_qla_host *ha = to_qla_host(shost);
+	int rval = QLA_SUCCESS;
+
+	if (ql4xdontresethba) {
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
+				  __func__));
+		rval = -EPERM;
+		goto exit_host_reset;
+	}
+
+	rval = qla4xxx_wait_for_hba_online(ha);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unable to reset host "
+				  "adapter\n", __func__));
+		rval = -EIO;
+		goto exit_host_reset;
+	}
+
+	if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
+		goto recover_adapter;
+
+	switch (reset_type) {
+	case SCSI_ADAPTER_RESET:
+		set_bit(DPC_RESET_HA, &ha->dpc_flags);
+		break;
+	case SCSI_FIRMWARE_RESET:
+		if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
+			if (is_qla8022(ha))
+				/* set firmware context reset */
+				set_bit(DPC_RESET_HA_FW_CONTEXT,
+					&ha->dpc_flags);
+			else {
+				rval = qla4xxx_context_reset(ha);
+				goto exit_host_reset;
+			}
+		}
+		break;
+	}
+
+recover_adapter:
+	rval = qla4xxx_recover_adapter(ha);
+	if (rval != QLA_SUCCESS) {
+		DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
+				  __func__));
+		rval = -EIO;
+	}
+
+exit_host_reset:
+	return rval;
+}
+
 /* PCI AER driver recovers from all correctable errors w/o
  * driver intervention. For uncorrectable errors PCI AER
  * driver calls the following device driver's callbacks
@@ -2360,7 +4067,8 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 
 	if (test_bit(AF_ONLINE, &ha->flags)) {
 		clear_bit(AF_ONLINE, &ha->flags);
-		qla4xxx_mark_all_devices_missing(ha);
+		clear_bit(AF_LINK_UP, &ha->flags);
+		iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
 		qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
 	}
 
@@ -2407,7 +4115,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 
 		qla4_8xxx_idc_unlock(ha);
 		clear_bit(AF_FW_RECOVERY, &ha->flags);
-		rval = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST);
+		rval = qla4xxx_initialize_adapter(ha);
 		qla4_8xxx_idc_lock(ha);
 
 		if (rval != QLA_SUCCESS) {
@@ -2443,8 +4151,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
 		if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
 		    QLA82XX_DEV_READY)) {
 			clear_bit(AF_FW_RECOVERY, &ha->flags);
-			rval = qla4xxx_initialize_adapter(ha,
-			    PRESERVE_DDB_LIST);
+			rval = qla4xxx_initialize_adapter(ha);
 			if (rval == QLA_SUCCESS) {
 				ret = qla4xxx_request_irqs(ha);
 				if (ret) {
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index 610492877253..c15347d3f532 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,4 +5,4 @@
  * See LICENSE.qla4xxx for copyright and licensing details.
  */
 
-#define QLA4XXX_DRIVER_VERSION	"5.02.00-k7"
+#define QLA4XXX_DRIVER_VERSION	"5.02.00-k8"
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 9689d41c7888..e40dc1cb09a0 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -880,7 +880,7 @@ static inline void cmd_frob(struct Command_Entry *cmd, struct scsi_cmnd *Cmnd,
 		cmd->control_flags |= CFLAG_WRITE;
 	else
 		cmd->control_flags |= CFLAG_READ;
-	cmd->time_out = 30;
+	cmd->time_out = Cmnd->request->timeout/HZ;
 	memcpy(cmd->cdb, Cmnd->cmnd, Cmnd->cmd_len);
 }
 
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index a4b9cdbaaa0b..dc6131e6a1ba 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -293,8 +293,16 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
 		 * so that we can deal with it there.
 		 */
 		if (scmd->device->expecting_cc_ua) {
-			scmd->device->expecting_cc_ua = 0;
-			return NEEDS_RETRY;
+			/*
+			 * Because some device does not queue unit
+			 * attentions correctly, we carefully check
+			 * additional sense code and qualifier so as
+			 * not to squash media change unit attention.
+			 */
+			if (sshdr.asc != 0x28 || sshdr.ascq != 0x00) {
+				scmd->device->expecting_cc_ua = 0;
+				return NEEDS_RETRY;
+			}
 		}
 		/*
 		 * if the device is in the process of becoming ready, we
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index e0bd3f790fca..04c2a278076e 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -246,6 +246,43 @@ show_shost_active_mode(struct device *dev,
 
 static DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL);
 
+static int check_reset_type(char *str)
+{
+	if (strncmp(str, "adapter", 10) == 0)
+		return SCSI_ADAPTER_RESET;
+	else if (strncmp(str, "firmware", 10) == 0)
+		return SCSI_FIRMWARE_RESET;
+	else
+		return 0;
+}
+
+static ssize_t
+store_host_reset(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct scsi_host_template *sht = shost->hostt;
+	int ret = -EINVAL;
+	char str[10];
+	int type;
+
+	sscanf(buf, "%s", str);
+	type = check_reset_type(str);
+
+	if (!type)
+		goto exit_store_host_reset;
+
+	if (sht->host_reset)
+		ret = sht->host_reset(shost, type);
+
+exit_store_host_reset:
+	if (ret == 0)
+		ret = count;
+	return ret;
+}
+
+static DEVICE_ATTR(host_reset, S_IWUSR, NULL, store_host_reset);
+
 shost_rd_attr(unique_id, "%u\n");
 shost_rd_attr(host_busy, "%hu\n");
 shost_rd_attr(cmd_per_lun, "%hd\n");
@@ -272,6 +309,7 @@ static struct attribute *scsi_sysfs_shost_attrs[] = {
 	&dev_attr_active_mode.attr,
 	&dev_attr_prot_capabilities.attr,
 	&dev_attr_prot_guard_type.attr,
+	&dev_attr_host_reset.attr,
 	NULL
 };
 
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 3fd16d7212de..1bcd65a509e6 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -23,6 +23,8 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
+#include <linux/bsg-lib.h>
+#include <linux/idr.h>
 #include <net/tcp.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
@@ -31,10 +33,7 @@
 #include <scsi/scsi_transport_iscsi.h>
 #include <scsi/iscsi_if.h>
 #include <scsi/scsi_cmnd.h>
-
-#define ISCSI_SESSION_ATTRS 23
-#define ISCSI_CONN_ATTRS 13
-#define ISCSI_HOST_ATTRS 4
+#include <scsi/scsi_bsg_iscsi.h>
 
 #define ISCSI_TRANSPORT_VERSION "2.0-870"
 
@@ -76,16 +75,14 @@ struct iscsi_internal {
 	struct list_head list;
 	struct device dev;
 
-	struct device_attribute *host_attrs[ISCSI_HOST_ATTRS + 1];
 	struct transport_container conn_cont;
-	struct device_attribute *conn_attrs[ISCSI_CONN_ATTRS + 1];
 	struct transport_container session_cont;
-	struct device_attribute *session_attrs[ISCSI_SESSION_ATTRS + 1];
 };
 
 static atomic_t iscsi_session_nr; /* sysfs session id for next new session */
 static struct workqueue_struct *iscsi_eh_timer_workq;
 
+static DEFINE_IDA(iscsi_sess_ida);
 /*
  * list of registered transports and lock that must
  * be held while accessing list. The iscsi_transport_lock must
@@ -270,6 +267,291 @@ struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle)
 }
 EXPORT_SYMBOL_GPL(iscsi_lookup_endpoint);
 
+/*
+ * Interface to display network param to sysfs
+ */
+
+static void iscsi_iface_release(struct device *dev)
+{
+	struct iscsi_iface *iface = iscsi_dev_to_iface(dev);
+	struct device *parent = iface->dev.parent;
+
+	kfree(iface);
+	put_device(parent);
+}
+
+
+static struct class iscsi_iface_class = {
+	.name = "iscsi_iface",
+	.dev_release = iscsi_iface_release,
+};
+
+#define ISCSI_IFACE_ATTR(_prefix, _name, _mode, _show, _store)	\
+struct device_attribute dev_attr_##_prefix##_##_name =		\
+	__ATTR(_name, _mode, _show, _store)
+
+/* iface attrs show */
+#define iscsi_iface_attr_show(type, name, param_type, param)		\
+static ssize_t								\
+show_##type##_##name(struct device *dev, struct device_attribute *attr,	\
+		     char *buf)						\
+{									\
+	struct iscsi_iface *iface = iscsi_dev_to_iface(dev);		\
+	struct iscsi_transport *t = iface->transport;			\
+	return t->get_iface_param(iface, param_type, param, buf);	\
+}									\
+
+#define iscsi_iface_net_attr(type, name, param)				\
+	iscsi_iface_attr_show(type, name, ISCSI_NET_PARAM, param)	\
+static ISCSI_IFACE_ATTR(type, name, S_IRUGO, show_##type##_##name, NULL);
+
+/* generic read only ipvi4 attribute */
+iscsi_iface_net_attr(ipv4_iface, ipaddress, ISCSI_NET_PARAM_IPV4_ADDR);
+iscsi_iface_net_attr(ipv4_iface, gateway, ISCSI_NET_PARAM_IPV4_GW);
+iscsi_iface_net_attr(ipv4_iface, subnet, ISCSI_NET_PARAM_IPV4_SUBNET);
+iscsi_iface_net_attr(ipv4_iface, bootproto, ISCSI_NET_PARAM_IPV4_BOOTPROTO);
+
+/* generic read only ipv6 attribute */
+iscsi_iface_net_attr(ipv6_iface, ipaddress, ISCSI_NET_PARAM_IPV6_ADDR);
+iscsi_iface_net_attr(ipv6_iface, link_local_addr, ISCSI_NET_PARAM_IPV6_LINKLOCAL);
+iscsi_iface_net_attr(ipv6_iface, router_addr, ISCSI_NET_PARAM_IPV6_ROUTER);
+iscsi_iface_net_attr(ipv6_iface, ipaddr_autocfg,
+		     ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG);
+iscsi_iface_net_attr(ipv6_iface, link_local_autocfg,
+		     ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG);
+
+/* common read only iface attribute */
+iscsi_iface_net_attr(iface, enabled, ISCSI_NET_PARAM_IFACE_ENABLE);
+iscsi_iface_net_attr(iface, vlan_id, ISCSI_NET_PARAM_VLAN_ID);
+iscsi_iface_net_attr(iface, vlan_priority, ISCSI_NET_PARAM_VLAN_PRIORITY);
+iscsi_iface_net_attr(iface, vlan_enabled, ISCSI_NET_PARAM_VLAN_ENABLED);
+iscsi_iface_net_attr(iface, mtu, ISCSI_NET_PARAM_MTU);
+iscsi_iface_net_attr(iface, port, ISCSI_NET_PARAM_PORT);
+
+static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
+					  struct attribute *attr, int i)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct iscsi_iface *iface = iscsi_dev_to_iface(dev);
+	struct iscsi_transport *t = iface->transport;
+	int param;
+
+	if (attr == &dev_attr_iface_enabled.attr)
+		param = ISCSI_NET_PARAM_IFACE_ENABLE;
+	else if (attr == &dev_attr_iface_vlan_id.attr)
+		param = ISCSI_NET_PARAM_VLAN_ID;
+	else if (attr == &dev_attr_iface_vlan_priority.attr)
+		param = ISCSI_NET_PARAM_VLAN_PRIORITY;
+	else if (attr == &dev_attr_iface_vlan_enabled.attr)
+		param = ISCSI_NET_PARAM_VLAN_ENABLED;
+	else if (attr == &dev_attr_iface_mtu.attr)
+		param = ISCSI_NET_PARAM_MTU;
+	else if (attr == &dev_attr_iface_port.attr)
+		param = ISCSI_NET_PARAM_PORT;
+	else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
+		if (attr == &dev_attr_ipv4_iface_ipaddress.attr)
+			param = ISCSI_NET_PARAM_IPV4_ADDR;
+		else if (attr == &dev_attr_ipv4_iface_gateway.attr)
+			param = ISCSI_NET_PARAM_IPV4_GW;
+		else if (attr == &dev_attr_ipv4_iface_subnet.attr)
+			param = ISCSI_NET_PARAM_IPV4_SUBNET;
+		else if (attr == &dev_attr_ipv4_iface_bootproto.attr)
+			param = ISCSI_NET_PARAM_IPV4_BOOTPROTO;
+		else
+			return 0;
+	} else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) {
+		if (attr == &dev_attr_ipv6_iface_ipaddress.attr)
+			param = ISCSI_NET_PARAM_IPV6_ADDR;
+		else if (attr == &dev_attr_ipv6_iface_link_local_addr.attr)
+			param = ISCSI_NET_PARAM_IPV6_LINKLOCAL;
+		else if (attr == &dev_attr_ipv6_iface_router_addr.attr)
+			param = ISCSI_NET_PARAM_IPV6_ROUTER;
+		else if (attr == &dev_attr_ipv6_iface_ipaddr_autocfg.attr)
+			param = ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG;
+		else if (attr == &dev_attr_ipv6_iface_link_local_autocfg.attr)
+			param = ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG;
+		else
+			return 0;
+	} else {
+		WARN_ONCE(1, "Invalid iface attr");
+		return 0;
+	}
+
+	return t->attr_is_visible(ISCSI_NET_PARAM, param);
+}
+
+static struct attribute *iscsi_iface_attrs[] = {
+	&dev_attr_iface_enabled.attr,
+	&dev_attr_iface_vlan_id.attr,
+	&dev_attr_iface_vlan_priority.attr,
+	&dev_attr_iface_vlan_enabled.attr,
+	&dev_attr_ipv4_iface_ipaddress.attr,
+	&dev_attr_ipv4_iface_gateway.attr,
+	&dev_attr_ipv4_iface_subnet.attr,
+	&dev_attr_ipv4_iface_bootproto.attr,
+	&dev_attr_ipv6_iface_ipaddress.attr,
+	&dev_attr_ipv6_iface_link_local_addr.attr,
+	&dev_attr_ipv6_iface_router_addr.attr,
+	&dev_attr_ipv6_iface_ipaddr_autocfg.attr,
+	&dev_attr_ipv6_iface_link_local_autocfg.attr,
+	&dev_attr_iface_mtu.attr,
+	&dev_attr_iface_port.attr,
+	NULL,
+};
+
+static struct attribute_group iscsi_iface_group = {
+	.attrs = iscsi_iface_attrs,
+	.is_visible = iscsi_iface_attr_is_visible,
+};
+
+struct iscsi_iface *
+iscsi_create_iface(struct Scsi_Host *shost, struct iscsi_transport *transport,
+		   uint32_t iface_type, uint32_t iface_num, int dd_size)
+{
+	struct iscsi_iface *iface;
+	int err;
+
+	iface = kzalloc(sizeof(*iface) + dd_size, GFP_KERNEL);
+	if (!iface)
+		return NULL;
+
+	iface->transport = transport;
+	iface->iface_type = iface_type;
+	iface->iface_num = iface_num;
+	iface->dev.release = iscsi_iface_release;
+	iface->dev.class = &iscsi_iface_class;
+	/* parent reference released in iscsi_iface_release */
+	iface->dev.parent = get_device(&shost->shost_gendev);
+	if (iface_type == ISCSI_IFACE_TYPE_IPV4)
+		dev_set_name(&iface->dev, "ipv4-iface-%u-%u", shost->host_no,
+			     iface_num);
+	else
+		dev_set_name(&iface->dev, "ipv6-iface-%u-%u", shost->host_no,
+			     iface_num);
+
+	err = device_register(&iface->dev);
+	if (err)
+		goto free_iface;
+
+	err = sysfs_create_group(&iface->dev.kobj, &iscsi_iface_group);
+	if (err)
+		goto unreg_iface;
+
+	if (dd_size)
+		iface->dd_data = &iface[1];
+	return iface;
+
+unreg_iface:
+	device_unregister(&iface->dev);
+	return NULL;
+
+free_iface:
+	put_device(iface->dev.parent);
+	kfree(iface);
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(iscsi_create_iface);
+
+void iscsi_destroy_iface(struct iscsi_iface *iface)
+{
+	sysfs_remove_group(&iface->dev.kobj, &iscsi_iface_group);
+	device_unregister(&iface->dev);
+}
+EXPORT_SYMBOL_GPL(iscsi_destroy_iface);
+
+/*
+ * BSG support
+ */
+/**
+ * iscsi_bsg_host_dispatch - Dispatch command to LLD.
+ * @job: bsg job to be processed
+ */
+static int iscsi_bsg_host_dispatch(struct bsg_job *job)
+{
+	struct Scsi_Host *shost = iscsi_job_to_shost(job);
+	struct iscsi_bsg_request *req = job->request;
+	struct iscsi_bsg_reply *reply = job->reply;
+	struct iscsi_internal *i = to_iscsi_internal(shost->transportt);
+	int cmdlen = sizeof(uint32_t);	/* start with length of msgcode */
+	int ret;
+
+	/* check if we have the msgcode value at least */
+	if (job->request_len < sizeof(uint32_t)) {
+		ret = -ENOMSG;
+		goto fail_host_msg;
+	}
+
+	/* Validate the host command */
+	switch (req->msgcode) {
+	case ISCSI_BSG_HST_VENDOR:
+		cmdlen += sizeof(struct iscsi_bsg_host_vendor);
+		if ((shost->hostt->vendor_id == 0L) ||
+		    (req->rqst_data.h_vendor.vendor_id !=
+			shost->hostt->vendor_id)) {
+			ret = -ESRCH;
+			goto fail_host_msg;
+		}
+		break;
+	default:
+		ret = -EBADR;
+		goto fail_host_msg;
+	}
+
+	/* check if we really have all the request data needed */
+	if (job->request_len < cmdlen) {
+		ret = -ENOMSG;
+		goto fail_host_msg;
+	}
+
+	ret = i->iscsi_transport->bsg_request(job);
+	if (!ret)
+		return 0;
+
+fail_host_msg:
+	/* return the errno failure code as the only status */
+	BUG_ON(job->reply_len < sizeof(uint32_t));
+	reply->reply_payload_rcv_len = 0;
+	reply->result = ret;
+	job->reply_len = sizeof(uint32_t);
+	bsg_job_done(job, ret, 0);
+	return 0;
+}
+
+/**
+ * iscsi_bsg_host_add - Create and add the bsg hooks to receive requests
+ * @shost: shost for iscsi_host
+ * @cls_host: iscsi_cls_host adding the structures to
+ */
+static int
+iscsi_bsg_host_add(struct Scsi_Host *shost, struct iscsi_cls_host *ihost)
+{
+	struct device *dev = &shost->shost_gendev;
+	struct iscsi_internal *i = to_iscsi_internal(shost->transportt);
+	struct request_queue *q;
+	char bsg_name[20];
+	int ret;
+
+	if (!i->iscsi_transport->bsg_request)
+		return -ENOTSUPP;
+
+	snprintf(bsg_name, sizeof(bsg_name), "iscsi_host%d", shost->host_no);
+
+	q = __scsi_alloc_queue(shost, bsg_request_fn);
+	if (!q)
+		return -ENOMEM;
+
+	ret = bsg_setup_queue(dev, q, bsg_name, iscsi_bsg_host_dispatch, 0);
+	if (ret) {
+		shost_printk(KERN_ERR, shost, "bsg interface failed to "
+			     "initialize - no request queue\n");
+		blk_cleanup_queue(q);
+		return ret;
+	}
+
+	ihost->bsg_q = q;
+	return 0;
+}
+
 static int iscsi_setup_host(struct transport_container *tc, struct device *dev,
 			    struct device *cdev)
 {
@@ -279,13 +561,30 @@ static int iscsi_setup_host(struct transport_container *tc, struct device *dev,
 	memset(ihost, 0, sizeof(*ihost));
 	atomic_set(&ihost->nr_scans, 0);
 	mutex_init(&ihost->mutex);
+
+	iscsi_bsg_host_add(shost, ihost);
+	/* ignore any bsg add error - we just can't do sgio */
+
+	return 0;
+}
+
+static int iscsi_remove_host(struct transport_container *tc,
+			     struct device *dev, struct device *cdev)
+{
+	struct Scsi_Host *shost = dev_to_shost(dev);
+	struct iscsi_cls_host *ihost = shost->shost_data;
+
+	if (ihost->bsg_q) {
+		bsg_remove_queue(ihost->bsg_q);
+		blk_cleanup_queue(ihost->bsg_q);
+	}
 	return 0;
 }
 
 static DECLARE_TRANSPORT_CLASS(iscsi_host_class,
 			       "iscsi_host",
 			       iscsi_setup_host,
-			       NULL,
+			       iscsi_remove_host,
 			       NULL);
 
 static DECLARE_TRANSPORT_CLASS(iscsi_session_class,
@@ -404,6 +703,19 @@ int iscsi_session_chkready(struct iscsi_cls_session *session)
 }
 EXPORT_SYMBOL_GPL(iscsi_session_chkready);
 
+int iscsi_is_session_online(struct iscsi_cls_session *session)
+{
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&session->lock, flags);
+	if (session->state == ISCSI_SESSION_LOGGED_IN)
+		ret = 1;
+	spin_unlock_irqrestore(&session->lock, flags);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(iscsi_is_session_online);
+
 static void iscsi_session_release(struct device *dev)
 {
 	struct iscsi_cls_session *session = iscsi_dev_to_session(dev);
@@ -680,6 +992,7 @@ static void __iscsi_unbind_session(struct work_struct *work)
 	struct Scsi_Host *shost = iscsi_session_to_shost(session);
 	struct iscsi_cls_host *ihost = shost->shost_data;
 	unsigned long flags;
+	unsigned int target_id;
 
 	ISCSI_DBG_TRANS_SESSION(session, "Unbinding session\n");
 
@@ -691,10 +1004,15 @@ static void __iscsi_unbind_session(struct work_struct *work)
 		mutex_unlock(&ihost->mutex);
 		return;
 	}
+
+	target_id = session->target_id;
 	session->target_id = ISCSI_MAX_TARGET;
 	spin_unlock_irqrestore(&session->lock, flags);
 	mutex_unlock(&ihost->mutex);
 
+	if (session->ida_used)
+		ida_simple_remove(&iscsi_sess_ida, target_id);
+
 	scsi_remove_target(&session->dev);
 	iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION);
 	ISCSI_DBG_TRANS_SESSION(session, "Completed target removal\n");
@@ -735,59 +1053,36 @@ iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
 }
 EXPORT_SYMBOL_GPL(iscsi_alloc_session);
 
-static int iscsi_get_next_target_id(struct device *dev, void *data)
-{
-	struct iscsi_cls_session *session;
-	unsigned long flags;
-	int err = 0;
-
-	if (!iscsi_is_session_dev(dev))
-		return 0;
-
-	session = iscsi_dev_to_session(dev);
-	spin_lock_irqsave(&session->lock, flags);
-	if (*((unsigned int *) data) == session->target_id)
-		err = -EEXIST;
-	spin_unlock_irqrestore(&session->lock, flags);
-	return err;
-}
-
 int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
 {
 	struct Scsi_Host *shost = iscsi_session_to_shost(session);
 	struct iscsi_cls_host *ihost;
 	unsigned long flags;
-	unsigned int id = target_id;
+	int id = 0;
 	int err;
 
 	ihost = shost->shost_data;
 	session->sid = atomic_add_return(1, &iscsi_session_nr);
 
-	if (id == ISCSI_MAX_TARGET) {
-		for (id = 0; id < ISCSI_MAX_TARGET; id++) {
-			err = device_for_each_child(&shost->shost_gendev, &id,
-						    iscsi_get_next_target_id);
-			if (!err)
-				break;
-		}
+	if (target_id == ISCSI_MAX_TARGET) {
+		id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL);
 
-		if (id == ISCSI_MAX_TARGET) {
+		if (id < 0) {
 			iscsi_cls_session_printk(KERN_ERR, session,
-						 "Too many iscsi targets. Max "
-						 "number of targets is %d.\n",
-						 ISCSI_MAX_TARGET - 1);
-			err = -EOVERFLOW;
-			goto release_host;
+					"Failure in Target ID Allocation\n");
+			return id;
 		}
-	}
-	session->target_id = id;
+		session->target_id = (unsigned int)id;
+		session->ida_used = true;
+	} else
+		session->target_id = target_id;
 
 	dev_set_name(&session->dev, "session%u", session->sid);
 	err = device_add(&session->dev);
 	if (err) {
 		iscsi_cls_session_printk(KERN_ERR, session,
 					 "could not register session's dev\n");
-		goto release_host;
+		goto release_ida;
 	}
 	transport_register_device(&session->dev);
 
@@ -799,8 +1094,10 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id)
 	ISCSI_DBG_TRANS_SESSION(session, "Completed session adding\n");
 	return 0;
 
-release_host:
-	scsi_host_put(shost);
+release_ida:
+	if (session->ida_used)
+		ida_simple_remove(&iscsi_sess_ida, session->target_id);
+
 	return err;
 }
 EXPORT_SYMBOL_GPL(iscsi_add_session);
@@ -1144,6 +1441,40 @@ void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error)
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_error_event);
 
+void iscsi_conn_login_event(struct iscsi_cls_conn *conn,
+			    enum iscsi_conn_state state)
+{
+	struct nlmsghdr *nlh;
+	struct sk_buff  *skb;
+	struct iscsi_uevent *ev;
+	struct iscsi_internal *priv;
+	int len = NLMSG_SPACE(sizeof(*ev));
+
+	priv = iscsi_if_transport_lookup(conn->transport);
+	if (!priv)
+		return;
+
+	skb = alloc_skb(len, GFP_ATOMIC);
+	if (!skb) {
+		iscsi_cls_conn_printk(KERN_ERR, conn, "gracefully ignored "
+				      "conn login (%d)\n", state);
+		return;
+	}
+
+	nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0);
+	ev = NLMSG_DATA(nlh);
+	ev->transport_handle = iscsi_handle(conn->transport);
+	ev->type = ISCSI_KEVENT_CONN_LOGIN_STATE;
+	ev->r.conn_login.state = state;
+	ev->r.conn_login.cid = conn->cid;
+	ev->r.conn_login.sid = iscsi_conn_get_sid(conn);
+	iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_ATOMIC);
+
+	iscsi_cls_conn_printk(KERN_INFO, conn, "detected conn login (%d)\n",
+			      state);
+}
+EXPORT_SYMBOL_GPL(iscsi_conn_login_event);
+
 static int
 iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi,
 		    void *payload, int size)
@@ -1558,6 +1889,29 @@ iscsi_set_path(struct iscsi_transport *transport, struct iscsi_uevent *ev)
 }
 
 static int
+iscsi_set_iface_params(struct iscsi_transport *transport,
+		       struct iscsi_uevent *ev, uint32_t len)
+{
+	char *data = (char *)ev + sizeof(*ev);
+	struct Scsi_Host *shost;
+	int err;
+
+	if (!transport->set_iface_param)
+		return -ENOSYS;
+
+	shost = scsi_host_lookup(ev->u.set_iface_params.host_no);
+	if (!shost) {
+		printk(KERN_ERR "set_iface_params could not find host no %u\n",
+		       ev->u.set_iface_params.host_no);
+		return -ENODEV;
+	}
+
+	err = transport->set_iface_param(shost, data, len);
+	scsi_host_put(shost);
+	return err;
+}
+
+static int
 iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
 {
 	int err = 0;
@@ -1696,6 +2050,10 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
 	case ISCSI_UEVENT_PATH_UPDATE:
 		err = iscsi_set_path(transport, ev);
 		break;
+	case ISCSI_UEVENT_SET_IFACE_PARAMS:
+		err = iscsi_set_iface_params(transport, ev,
+					     nlmsg_attrlen(nlh, sizeof(*ev)));
+		break;
 	default:
 		err = -ENOSYS;
 		break;
@@ -1824,6 +2182,70 @@ static ISCSI_CLASS_ATTR(conn, field, S_IRUGO,				\
 iscsi_conn_ep_attr(address, ISCSI_PARAM_CONN_ADDRESS);
 iscsi_conn_ep_attr(port, ISCSI_PARAM_CONN_PORT);
 
+static struct attribute *iscsi_conn_attrs[] = {
+	&dev_attr_conn_max_recv_dlength.attr,
+	&dev_attr_conn_max_xmit_dlength.attr,
+	&dev_attr_conn_header_digest.attr,
+	&dev_attr_conn_data_digest.attr,
+	&dev_attr_conn_ifmarker.attr,
+	&dev_attr_conn_ofmarker.attr,
+	&dev_attr_conn_address.attr,
+	&dev_attr_conn_port.attr,
+	&dev_attr_conn_exp_statsn.attr,
+	&dev_attr_conn_persistent_address.attr,
+	&dev_attr_conn_persistent_port.attr,
+	&dev_attr_conn_ping_tmo.attr,
+	&dev_attr_conn_recv_tmo.attr,
+	NULL,
+};
+
+static mode_t iscsi_conn_attr_is_visible(struct kobject *kobj,
+					 struct attribute *attr, int i)
+{
+	struct device *cdev = container_of(kobj, struct device, kobj);
+	struct iscsi_cls_conn *conn = transport_class_to_conn(cdev);
+	struct iscsi_transport *t = conn->transport;
+	int param;
+
+	if (attr == &dev_attr_conn_max_recv_dlength.attr)
+		param = ISCSI_PARAM_MAX_RECV_DLENGTH;
+	else if (attr == &dev_attr_conn_max_xmit_dlength.attr)
+		param = ISCSI_PARAM_MAX_XMIT_DLENGTH;
+	else if (attr == &dev_attr_conn_header_digest.attr)
+		param = ISCSI_PARAM_HDRDGST_EN;
+	else if (attr == &dev_attr_conn_data_digest.attr)
+		param = ISCSI_PARAM_DATADGST_EN;
+	else if (attr == &dev_attr_conn_ifmarker.attr)
+		param = ISCSI_PARAM_IFMARKER_EN;
+	else if (attr == &dev_attr_conn_ofmarker.attr)
+		param = ISCSI_PARAM_OFMARKER_EN;
+	else if (attr == &dev_attr_conn_address.attr)
+		param = ISCSI_PARAM_CONN_ADDRESS;
+	else if (attr == &dev_attr_conn_port.attr)
+		param = ISCSI_PARAM_CONN_PORT;
+	else if (attr == &dev_attr_conn_exp_statsn.attr)
+		param = ISCSI_PARAM_EXP_STATSN;
+	else if (attr == &dev_attr_conn_persistent_address.attr)
+		param = ISCSI_PARAM_PERSISTENT_ADDRESS;
+	else if (attr == &dev_attr_conn_persistent_port.attr)
+		param = ISCSI_PARAM_PERSISTENT_PORT;
+	else if (attr == &dev_attr_conn_ping_tmo.attr)
+		param = ISCSI_PARAM_PING_TMO;
+	else if (attr == &dev_attr_conn_recv_tmo.attr)
+		param = ISCSI_PARAM_RECV_TMO;
+	else {
+		WARN_ONCE(1, "Invalid conn attr");
+		return 0;
+	}
+
+	return t->attr_is_visible(ISCSI_PARAM, param);
+}
+
+static struct attribute_group iscsi_conn_group = {
+	.attrs = iscsi_conn_attrs,
+	.is_visible = iscsi_conn_attr_is_visible,
+};
+
 /*
  * iSCSI session attrs
  */
@@ -1845,7 +2267,6 @@ show_session_param_##param(struct device *dev,				\
 	iscsi_session_attr_show(param, perm)				\
 static ISCSI_CLASS_ATTR(sess, field, S_IRUGO, show_session_param_##param, \
 			NULL);
-
 iscsi_session_attr(targetname, ISCSI_PARAM_TARGET_NAME, 0);
 iscsi_session_attr(initial_r2t, ISCSI_PARAM_INITIAL_R2T_EN, 0);
 iscsi_session_attr(max_outstanding_r2t, ISCSI_PARAM_MAX_R2T, 0);
@@ -1922,6 +2343,100 @@ static ISCSI_CLASS_ATTR(priv_sess, field, S_IRUGO | S_IWUSR,		\
 			store_priv_session_##field)
 iscsi_priv_session_rw_attr(recovery_tmo, "%d");
 
+static struct attribute *iscsi_session_attrs[] = {
+	&dev_attr_sess_initial_r2t.attr,
+	&dev_attr_sess_max_outstanding_r2t.attr,
+	&dev_attr_sess_immediate_data.attr,
+	&dev_attr_sess_first_burst_len.attr,
+	&dev_attr_sess_max_burst_len.attr,
+	&dev_attr_sess_data_pdu_in_order.attr,
+	&dev_attr_sess_data_seq_in_order.attr,
+	&dev_attr_sess_erl.attr,
+	&dev_attr_sess_targetname.attr,
+	&dev_attr_sess_tpgt.attr,
+	&dev_attr_sess_password.attr,
+	&dev_attr_sess_password_in.attr,
+	&dev_attr_sess_username.attr,
+	&dev_attr_sess_username_in.attr,
+	&dev_attr_sess_fast_abort.attr,
+	&dev_attr_sess_abort_tmo.attr,
+	&dev_attr_sess_lu_reset_tmo.attr,
+	&dev_attr_sess_tgt_reset_tmo.attr,
+	&dev_attr_sess_ifacename.attr,
+	&dev_attr_sess_initiatorname.attr,
+	&dev_attr_sess_targetalias.attr,
+	&dev_attr_priv_sess_recovery_tmo.attr,
+	&dev_attr_priv_sess_state.attr,
+	NULL,
+};
+
+static mode_t iscsi_session_attr_is_visible(struct kobject *kobj,
+					    struct attribute *attr, int i)
+{
+	struct device *cdev = container_of(kobj, struct device, kobj);
+	struct iscsi_cls_session *session = transport_class_to_session(cdev);
+	struct iscsi_transport *t = session->transport;
+	int param;
+
+	if (attr == &dev_attr_sess_initial_r2t.attr)
+		param = ISCSI_PARAM_INITIAL_R2T_EN;
+	else if (attr == &dev_attr_sess_max_outstanding_r2t.attr)
+		param = ISCSI_PARAM_MAX_R2T;
+	else if (attr == &dev_attr_sess_immediate_data.attr)
+		param = ISCSI_PARAM_IMM_DATA_EN;
+	else if (attr == &dev_attr_sess_first_burst_len.attr)
+		param = ISCSI_PARAM_FIRST_BURST;
+	else if (attr == &dev_attr_sess_max_burst_len.attr)
+		param = ISCSI_PARAM_MAX_BURST;
+	else if (attr == &dev_attr_sess_data_pdu_in_order.attr)
+		param = ISCSI_PARAM_PDU_INORDER_EN;
+	else if (attr == &dev_attr_sess_data_seq_in_order.attr)
+		param = ISCSI_PARAM_DATASEQ_INORDER_EN;
+	else if (attr == &dev_attr_sess_erl.attr)
+		param = ISCSI_PARAM_ERL;
+	else if (attr == &dev_attr_sess_targetname.attr)
+		param = ISCSI_PARAM_TARGET_NAME;
+	else if (attr == &dev_attr_sess_tpgt.attr)
+		param = ISCSI_PARAM_TPGT;
+	else if (attr == &dev_attr_sess_password.attr)
+		param = ISCSI_PARAM_USERNAME;
+	else if (attr == &dev_attr_sess_password_in.attr)
+		param = ISCSI_PARAM_USERNAME_IN;
+	else if (attr == &dev_attr_sess_username.attr)
+		param = ISCSI_PARAM_PASSWORD;
+	else if (attr == &dev_attr_sess_username_in.attr)
+		param = ISCSI_PARAM_PASSWORD_IN;
+	else if (attr == &dev_attr_sess_fast_abort.attr)
+		param = ISCSI_PARAM_FAST_ABORT;
+	else if (attr == &dev_attr_sess_abort_tmo.attr)
+		param = ISCSI_PARAM_ABORT_TMO;
+	else if (attr == &dev_attr_sess_lu_reset_tmo.attr)
+		param = ISCSI_PARAM_LU_RESET_TMO;
+	else if (attr == &dev_attr_sess_tgt_reset_tmo.attr)
+		param = ISCSI_PARAM_TGT_RESET_TMO;
+	else if (attr == &dev_attr_sess_ifacename.attr)
+		param = ISCSI_PARAM_IFACE_NAME;
+	else if (attr == &dev_attr_sess_initiatorname.attr)
+		param = ISCSI_PARAM_INITIATOR_NAME;
+	else if (attr == &dev_attr_sess_targetalias.attr)
+		param = ISCSI_PARAM_TARGET_ALIAS;
+	else if (attr == &dev_attr_priv_sess_recovery_tmo.attr)
+		return S_IRUGO | S_IWUSR;
+	else if (attr == &dev_attr_priv_sess_state.attr)
+		return S_IRUGO;
+	else {
+		WARN_ONCE(1, "Invalid session attr");
+		return 0;
+	}
+
+	return t->attr_is_visible(ISCSI_PARAM, param);
+}
+
+static struct attribute_group iscsi_session_group = {
+	.attrs = iscsi_session_attrs,
+	.is_visible = iscsi_session_attr_is_visible,
+};
+
 /*
  * iSCSI host attrs
  */
@@ -1945,41 +2460,42 @@ iscsi_host_attr(hwaddress, ISCSI_HOST_PARAM_HWADDRESS);
 iscsi_host_attr(ipaddress, ISCSI_HOST_PARAM_IPADDRESS);
 iscsi_host_attr(initiatorname, ISCSI_HOST_PARAM_INITIATOR_NAME);
 
-#define SETUP_PRIV_SESSION_RD_ATTR(field)				\
-do {									\
-	priv->session_attrs[count] = &dev_attr_priv_sess_##field; \
-	count++;							\
-} while (0)
-
-#define SETUP_PRIV_SESSION_RW_ATTR(field)				\
-do {									\
-	priv->session_attrs[count] = &dev_attr_priv_sess_##field;	\
-	count++;							\
-} while (0)
-
-#define SETUP_SESSION_RD_ATTR(field, param_flag)			\
-do {									\
-	if (tt->param_mask & param_flag) {				\
-		priv->session_attrs[count] = &dev_attr_sess_##field; \
-		count++;						\
-	}								\
-} while (0)
+static struct attribute *iscsi_host_attrs[] = {
+	&dev_attr_host_netdev.attr,
+	&dev_attr_host_hwaddress.attr,
+	&dev_attr_host_ipaddress.attr,
+	&dev_attr_host_initiatorname.attr,
+	NULL,
+};
 
-#define SETUP_CONN_RD_ATTR(field, param_flag)				\
-do {									\
-	if (tt->param_mask & param_flag) {				\
-		priv->conn_attrs[count] = &dev_attr_conn_##field; \
-		count++;						\
-	}								\
-} while (0)
+static mode_t iscsi_host_attr_is_visible(struct kobject *kobj,
+					 struct attribute *attr, int i)
+{
+	struct device *cdev = container_of(kobj, struct device, kobj);
+	struct Scsi_Host *shost = transport_class_to_shost(cdev);
+	struct iscsi_internal *priv = to_iscsi_internal(shost->transportt);
+	int param;
+
+	if (attr == &dev_attr_host_netdev.attr)
+		param = ISCSI_HOST_PARAM_NETDEV_NAME;
+	else if (attr == &dev_attr_host_hwaddress.attr)
+		param = ISCSI_HOST_PARAM_HWADDRESS;
+	else if (attr == &dev_attr_host_ipaddress.attr)
+		param = ISCSI_HOST_PARAM_IPADDRESS;
+	else if (attr == &dev_attr_host_initiatorname.attr)
+		param = ISCSI_HOST_PARAM_INITIATOR_NAME;
+	else {
+		WARN_ONCE(1, "Invalid host attr");
+		return 0;
+	}
 
-#define SETUP_HOST_RD_ATTR(field, param_flag)				\
-do {									\
-	if (tt->host_param_mask & param_flag) {				\
-		priv->host_attrs[count] = &dev_attr_host_##field; \
-		count++;						\
-	}								\
-} while (0)
+	return priv->iscsi_transport->attr_is_visible(ISCSI_HOST_PARAM, param);
+}
+
+static struct attribute_group iscsi_host_group = {
+	.attrs = iscsi_host_attrs,
+	.is_visible = iscsi_host_attr_is_visible,
+};
 
 static int iscsi_session_match(struct attribute_container *cont,
 			   struct device *dev)
@@ -2051,7 +2567,7 @@ iscsi_register_transport(struct iscsi_transport *tt)
 {
 	struct iscsi_internal *priv;
 	unsigned long flags;
-	int count = 0, err;
+	int err;
 
 	BUG_ON(!tt);
 
@@ -2078,77 +2594,24 @@ iscsi_register_transport(struct iscsi_transport *tt)
 		goto unregister_dev;
 
 	/* host parameters */
-	priv->t.host_attrs.ac.attrs = &priv->host_attrs[0];
 	priv->t.host_attrs.ac.class = &iscsi_host_class.class;
 	priv->t.host_attrs.ac.match = iscsi_host_match;
+	priv->t.host_attrs.ac.grp = &iscsi_host_group;
 	priv->t.host_size = sizeof(struct iscsi_cls_host);
 	transport_container_register(&priv->t.host_attrs);
 
-	SETUP_HOST_RD_ATTR(netdev, ISCSI_HOST_NETDEV_NAME);
-	SETUP_HOST_RD_ATTR(ipaddress, ISCSI_HOST_IPADDRESS);
-	SETUP_HOST_RD_ATTR(hwaddress, ISCSI_HOST_HWADDRESS);
-	SETUP_HOST_RD_ATTR(initiatorname, ISCSI_HOST_INITIATOR_NAME);
-	BUG_ON(count > ISCSI_HOST_ATTRS);
-	priv->host_attrs[count] = NULL;
-	count = 0;
-
 	/* connection parameters */
-	priv->conn_cont.ac.attrs = &priv->conn_attrs[0];
 	priv->conn_cont.ac.class = &iscsi_connection_class.class;
 	priv->conn_cont.ac.match = iscsi_conn_match;
+	priv->conn_cont.ac.grp = &iscsi_conn_group;
 	transport_container_register(&priv->conn_cont);
 
-	SETUP_CONN_RD_ATTR(max_recv_dlength, ISCSI_MAX_RECV_DLENGTH);
-	SETUP_CONN_RD_ATTR(max_xmit_dlength, ISCSI_MAX_XMIT_DLENGTH);
-	SETUP_CONN_RD_ATTR(header_digest, ISCSI_HDRDGST_EN);
-	SETUP_CONN_RD_ATTR(data_digest, ISCSI_DATADGST_EN);
-	SETUP_CONN_RD_ATTR(ifmarker, ISCSI_IFMARKER_EN);
-	SETUP_CONN_RD_ATTR(ofmarker, ISCSI_OFMARKER_EN);
-	SETUP_CONN_RD_ATTR(address, ISCSI_CONN_ADDRESS);
-	SETUP_CONN_RD_ATTR(port, ISCSI_CONN_PORT);
-	SETUP_CONN_RD_ATTR(exp_statsn, ISCSI_EXP_STATSN);
-	SETUP_CONN_RD_ATTR(persistent_address, ISCSI_PERSISTENT_ADDRESS);
-	SETUP_CONN_RD_ATTR(persistent_port, ISCSI_PERSISTENT_PORT);
-	SETUP_CONN_RD_ATTR(ping_tmo, ISCSI_PING_TMO);
-	SETUP_CONN_RD_ATTR(recv_tmo, ISCSI_RECV_TMO);
-
-	BUG_ON(count > ISCSI_CONN_ATTRS);
-	priv->conn_attrs[count] = NULL;
-	count = 0;
-
 	/* session parameters */
-	priv->session_cont.ac.attrs = &priv->session_attrs[0];
 	priv->session_cont.ac.class = &iscsi_session_class.class;
 	priv->session_cont.ac.match = iscsi_session_match;
+	priv->session_cont.ac.grp = &iscsi_session_group;
 	transport_container_register(&priv->session_cont);
 
-	SETUP_SESSION_RD_ATTR(initial_r2t, ISCSI_INITIAL_R2T_EN);
-	SETUP_SESSION_RD_ATTR(max_outstanding_r2t, ISCSI_MAX_R2T);
-	SETUP_SESSION_RD_ATTR(immediate_data, ISCSI_IMM_DATA_EN);
-	SETUP_SESSION_RD_ATTR(first_burst_len, ISCSI_FIRST_BURST);
-	SETUP_SESSION_RD_ATTR(max_burst_len, ISCSI_MAX_BURST);
-	SETUP_SESSION_RD_ATTR(data_pdu_in_order, ISCSI_PDU_INORDER_EN);
-	SETUP_SESSION_RD_ATTR(data_seq_in_order, ISCSI_DATASEQ_INORDER_EN);
-	SETUP_SESSION_RD_ATTR(erl, ISCSI_ERL);
-	SETUP_SESSION_RD_ATTR(targetname, ISCSI_TARGET_NAME);
-	SETUP_SESSION_RD_ATTR(tpgt, ISCSI_TPGT);
-	SETUP_SESSION_RD_ATTR(password, ISCSI_USERNAME);
-	SETUP_SESSION_RD_ATTR(password_in, ISCSI_USERNAME_IN);
-	SETUP_SESSION_RD_ATTR(username, ISCSI_PASSWORD);
-	SETUP_SESSION_RD_ATTR(username_in, ISCSI_PASSWORD_IN);
-	SETUP_SESSION_RD_ATTR(fast_abort, ISCSI_FAST_ABORT);
-	SETUP_SESSION_RD_ATTR(abort_tmo, ISCSI_ABORT_TMO);
-	SETUP_SESSION_RD_ATTR(lu_reset_tmo,ISCSI_LU_RESET_TMO);
-	SETUP_SESSION_RD_ATTR(tgt_reset_tmo,ISCSI_TGT_RESET_TMO);
-	SETUP_SESSION_RD_ATTR(ifacename, ISCSI_IFACE_NAME);
-	SETUP_SESSION_RD_ATTR(initiatorname, ISCSI_INITIATOR_NAME);
-	SETUP_SESSION_RD_ATTR(targetalias, ISCSI_TARGET_ALIAS);
-	SETUP_PRIV_SESSION_RW_ATTR(recovery_tmo);
-	SETUP_PRIV_SESSION_RD_ATTR(state);
-
-	BUG_ON(count > ISCSI_SESSION_ATTRS);
-	priv->session_attrs[count] = NULL;
-
 	spin_lock_irqsave(&iscsi_transport_lock, flags);
 	list_add(&priv->list, &iscsi_transports);
 	spin_unlock_irqrestore(&iscsi_transport_lock, flags);
@@ -2210,10 +2673,14 @@ static __init int iscsi_transport_init(void)
 	if (err)
 		goto unregister_transport_class;
 
-	err = transport_class_register(&iscsi_host_class);
+	err = class_register(&iscsi_iface_class);
 	if (err)
 		goto unregister_endpoint_class;
 
+	err = transport_class_register(&iscsi_host_class);
+	if (err)
+		goto unregister_iface_class;
+
 	err = transport_class_register(&iscsi_connection_class);
 	if (err)
 		goto unregister_host_class;
@@ -2243,6 +2710,8 @@ unregister_conn_class:
 	transport_class_unregister(&iscsi_connection_class);
 unregister_host_class:
 	transport_class_unregister(&iscsi_host_class);
+unregister_iface_class:
+	class_unregister(&iscsi_iface_class);
 unregister_endpoint_class:
 	class_unregister(&iscsi_endpoint_class);
 unregister_transport_class:
@@ -2258,6 +2727,7 @@ static void __exit iscsi_transport_exit(void)
 	transport_class_unregister(&iscsi_session_class);
 	transport_class_unregister(&iscsi_host_class);
 	class_unregister(&iscsi_endpoint_class);
+	class_unregister(&iscsi_iface_class);
 	class_unregister(&iscsi_transport_class);
 }
 
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index c6fcf76cade5..9d9330ae4213 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -1545,8 +1545,14 @@ int sas_rphy_add(struct sas_rphy *rphy)
 
 	if (identify->device_type == SAS_END_DEVICE &&
 	    rphy->scsi_target_id != -1) {
-		scsi_scan_target(&rphy->dev, 0,
-				rphy->scsi_target_id, SCAN_WILD_CARD, 0);
+		int lun;
+
+		if (identify->target_port_protocols & SAS_PROTOCOL_SSP)
+			lun = SCAN_WILD_CARD;
+		else
+			lun = 0;
+
+		scsi_scan_target(&rphy->dev, 0, rphy->scsi_target_id, lun, 0);
 	}
 
 	return 0;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 953773cb26d9..a7942e5c8be8 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1066,12 +1066,13 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long arg)
 {
 	struct gendisk *disk = bdev->bd_disk;
-	struct scsi_device *sdp = scsi_disk(disk)->device;
+	struct scsi_disk *sdkp = scsi_disk(disk);
+	struct scsi_device *sdp = sdkp->device;
 	void __user *p = (void __user *)arg;
 	int error;
     
-	SCSI_LOG_IOCTL(1, printk("sd_ioctl: disk=%s, cmd=0x%x\n",
-						disk->disk_name, cmd));
+	SCSI_LOG_IOCTL(1, sd_printk(KERN_INFO, sdkp, "sd_ioctl: disk=%s, "
+				    "cmd=0x%x\n", disk->disk_name, cmd));
 
 	/*
 	 * If we are in the middle of error recovery, don't let anyone
author	Linus Torvalds <torvalds@linux-foundation.org>	2011-10-28 16:44:18 -0700
committer	Linus Torvalds <torvalds@linux-foundation.org>	2011-10-28 16:44:18 -0700
commit	ec7ae517537ae5c7b0b2cd7f562dfa3e7a05b954 (patch)
tree	e6b0c64a51a7c0aa0efd09d4f7a80872e3b1657a /drivers/scsi
parent	97d2eb13a019ec09cc1a7ea2d3705c0b117b3c0d (diff)
parent	590134fa78fbdbe5fea78c7ae0b2c3364bc9572f (diff)