[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - Base Support

Adds new hardware and interface definitions.

Adds new interface routines - utilizing the reorganized layout of the
driver. Adds SLI-4 specific functions for attachment, initialization,
teardown, etc.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 3645 insertions, 155 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 3f06ce2becf5..e9e4a1df8989 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -34,8 +34,10 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
 
+#include "lpfc_hw4.h"
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_sli4.h"
 #include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
@@ -51,9 +53,23 @@ char *_dump_buf_dif;
 unsigned long _dump_buf_dif_order;
 spinlock_t _dump_buf_lock;
 
-static int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
 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_create_bootstrap_mbox(struct lpfc_hba *);
+static int lpfc_setup_endian_order(struct lpfc_hba *);
+static int lpfc_sli4_read_config(struct lpfc_hba *);
+static void lpfc_destroy_bootstrap_mbox(struct lpfc_hba *);
+static void lpfc_free_sgl_list(struct lpfc_hba *);
+static int lpfc_init_sgl_list(struct lpfc_hba *);
+static int lpfc_init_active_sgl_array(struct lpfc_hba *);
+static void lpfc_free_active_sgl(struct lpfc_hba *);
+static int lpfc_hba_down_post_s3(struct lpfc_hba *phba);
+static int lpfc_hba_down_post_s4(struct lpfc_hba *phba);
+static int lpfc_sli4_cq_event_pool_create(struct lpfc_hba *);
+static void lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *);
+static void lpfc_sli4_cq_event_release_all(struct lpfc_hba *);
 
 static struct scsi_transport_template *lpfc_transport_template = NULL;
 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
@@ -646,6 +662,77 @@ lpfc_hba_down_post_s3(struct lpfc_hba *phba)
 
 	return 0;
 }
+/**
+ * lpfc_hba_down_post_s4 - Perform lpfc uninitialization after HBA reset
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will do uninitialization after the HBA is reset when bring
+ * down the SLI Layer.
+ *
+ * Return codes
+ *   0 - sucess.
+ *   Any other value - error.
+ **/
+static int
+lpfc_hba_down_post_s4(struct lpfc_hba *phba)
+{
+	struct lpfc_scsi_buf *psb, *psb_next;
+	LIST_HEAD(aborts);
+	int ret;
+	unsigned long iflag = 0;
+	ret = lpfc_hba_down_post_s3(phba);
+	if (ret)
+		return ret;
+	/* At this point in time the HBA is either reset or DOA. Either
+	 * way, nothing should be on lpfc_abts_els_sgl_list, it needs to be
+	 * on the lpfc_sgl_list so that it can either be freed if the
+	 * driver is unloading or reposted if the driver is restarting
+	 * the port.
+	 */
+	spin_lock_irq(&phba->hbalock);  /* required for lpfc_sgl_list and */
+					/* scsl_buf_list */
+	/* abts_sgl_list_lock required because worker thread uses this
+	 * list.
+	 */
+	spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
+	list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
+			&phba->sli4_hba.lpfc_sgl_list);
+	spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
+	/* abts_scsi_buf_list_lock required because worker thread uses this
+	 * list.
+	 */
+	spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	list_splice_init(&phba->sli4_hba.lpfc_abts_scsi_buf_list,
+			&aborts);
+	spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	spin_unlock_irq(&phba->hbalock);
+
+	list_for_each_entry_safe(psb, psb_next, &aborts, list) {
+		psb->pCmd = NULL;
+		psb->status = IOSTAT_SUCCESS;
+	}
+	spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
+	list_splice(&aborts, &phba->lpfc_scsi_buf_list);
+	spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
+	return 0;
+}
+
+/**
+ * lpfc_hba_down_post - Wrapper func for hba down post routine
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine wraps the actual SLI3 or SLI4 routine for performing
+ * uninitialization after the HBA is reset when bring down the SLI Layer.
+ *
+ * Return codes
+ *   0 - sucess.
+ *   Any other value - error.
+ **/
+int
+lpfc_hba_down_post(struct lpfc_hba *phba)
+{
+	return (*phba->lpfc_hba_down_post)(phba);
+}
 
 /**
  * lpfc_hb_timeout - The HBA-timer timeout handler
@@ -853,6 +940,25 @@ lpfc_offline_eratt(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_offline_eratt - Bring lpfc offline on SLI4 hardware error attention
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to bring a SLI4 HBA offline when HBA hardware error
+ * other than Port Error 6 has been detected.
+ **/
+static void
+lpfc_sli4_offline_eratt(struct lpfc_hba *phba)
+{
+	lpfc_offline_prep(phba);
+	lpfc_offline(phba);
+	lpfc_sli4_brdreset(phba);
+	lpfc_hba_down_post(phba);
+	lpfc_sli4_post_status_check(phba);
+	lpfc_unblock_mgmt_io(phba);
+	phba->link_state = LPFC_HBA_ERROR;
+}
+
+/**
  * lpfc_handle_deferred_eratt - The HBA hardware deferred error handler
  * @phba: pointer to lpfc hba data structure.
  *
@@ -1057,6 +1163,65 @@ lpfc_handle_eratt_s3(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_handle_eratt_s4 - The SLI4 HBA hardware error handler
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to handle the SLI4 HBA hardware error attention
+ * conditions.
+ **/
+static void
+lpfc_handle_eratt_s4(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	uint32_t event_data;
+	struct Scsi_Host *shost;
+
+	/* If the pci channel is offline, ignore possible errors, since
+	 * we cannot communicate with the pci card anyway.
+	 */
+	if (pci_channel_offline(phba->pcidev))
+		return;
+	/* If resets are disabled then leave the HBA alone and return */
+	if (!phba->cfg_enable_hba_reset)
+		return;
+
+	/* Send an internal error event to mgmt application */
+	lpfc_board_errevt_to_mgmt(phba);
+
+	/* For now, the actual action for SLI4 device handling is not
+	 * specified yet, just treated it as adaptor hardware failure
+	 */
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"0143 SLI4 Adapter Hardware Error Data: x%x x%x\n",
+			phba->work_status[0], phba->work_status[1]);
+
+	event_data = FC_REG_DUMP_EVENT;
+	shost = lpfc_shost_from_vport(vport);
+	fc_host_post_vendor_event(shost, fc_get_event_number(),
+				  sizeof(event_data), (char *) &event_data,
+				  SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+
+	lpfc_sli4_offline_eratt(phba);
+}
+
+/**
+ * lpfc_handle_eratt - Wrapper func for handling hba error attention
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine wraps the actual SLI3 or SLI4 hba error attention handling
+ * routine from the API jump table function pointer from the lpfc_hba struct.
+ *
+ * Return codes
+ *   0 - sucess.
+ *   Any other value - error.
+ **/
+void
+lpfc_handle_eratt(struct lpfc_hba *phba)
+{
+	(*phba->lpfc_handle_eratt)(phba);
+}
+
+/**
  * lpfc_handle_latt - The HBA link event handler
  * @phba: pointer to lpfc hba data structure.
  *
@@ -1312,6 +1477,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 	uint16_t dev_id = phba->pcidev->device;
 	int max_speed;
 	int GE = 0;
+	int oneConnect = 0; /* default is not a oneConnect */
 	struct {
 		char * name;
 		int    max_speed;
@@ -1457,6 +1623,14 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 	case PCI_DEVICE_ID_PROTEUS_S:
 		m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"};
 		break;
+	case PCI_DEVICE_ID_TIGERSHARK:
+		oneConnect = 1;
+		m = (typeof(m)) {"OCe10100-F", max_speed, "PCIe"};
+		break;
+	case PCI_DEVICE_ID_TIGERSHARK_S:
+		oneConnect = 1;
+		m = (typeof(m)) {"OCe10100-F-S", max_speed, "PCIe"};
+		break;
 	default:
 		m = (typeof(m)){ NULL };
 		break;
@@ -1464,13 +1638,24 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 
 	if (mdp && mdp[0] == '\0')
 		snprintf(mdp, 79,"%s", m.name);
-	if (descp && descp[0] == '\0')
-		snprintf(descp, 255,
-			"Emulex %s %d%s %s %s",
-			m.name, m.max_speed,
-			(GE) ? "GE" : "Gb",
-			m.bus,
-			(GE) ? "FCoE Adapter" : "Fibre Channel Adapter");
+	/* oneConnect hba requires special processing, they are all initiators
+	 * and we put the port number on the end
+	 */
+	if (descp && descp[0] == '\0') {
+		if (oneConnect)
+			snprintf(descp, 255,
+				"Emulex OneConnect %s, FCoE Initiator, Port %s",
+				m.name,
+				phba->Port);
+		else
+			snprintf(descp, 255,
+				"Emulex %s %d%s %s %s",
+				m.name, m.max_speed,
+				(GE) ? "GE" : "Gb",
+				m.bus,
+				(GE) ? "FCoE Adapter" :
+					"Fibre Channel Adapter");
+	}
 }
 
 /**
@@ -1911,14 +2096,21 @@ lpfc_online(struct lpfc_hba *phba)
 		return 1;
 	}
 
-	if (lpfc_sli_hba_setup(phba)) {	/* Initialize the HBA */
-		lpfc_unblock_mgmt_io(phba);
-		return 1;
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		if (lpfc_sli4_hba_setup(phba)) { /* Initialize SLI4 HBA */
+			lpfc_unblock_mgmt_io(phba);
+			return 1;
+		}
+	} else {
+		if (lpfc_sli_hba_setup(phba)) {	/* Initialize SLI2/SLI3 HBA */
+			lpfc_unblock_mgmt_io(phba);
+			return 1;
+		}
 	}
 
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL)
-		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
 			struct Scsi_Host *shost;
 			shost = lpfc_shost_from_vport(vports[i]);
 			spin_lock_irq(shost->host_lock);
@@ -1980,11 +2172,12 @@ lpfc_offline_prep(struct lpfc_hba * phba)
 	/* Issue an unreg_login to all nodes on all vports */
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL) {
-		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
 			struct Scsi_Host *shost;
 
 			if (vports[i]->load_flag & FC_UNLOADING)
 				continue;
+			vports[i]->vfi_state &= ~LPFC_VFI_REGISTERED;
 			shost =	lpfc_shost_from_vport(vports[i]);
 			list_for_each_entry_safe(ndlp, next_ndlp,
 						 &vports[i]->fc_nodes,
@@ -2029,11 +2222,11 @@ lpfc_offline(struct lpfc_hba *phba)
 	if (phba->pport->fc_flag & FC_OFFLINE_MODE)
 		return;
 
-	/* stop all timers associated with this hba */
-	lpfc_stop_phba_timers(phba);
+	/* stop port and all timers associated with this hba */
+	lpfc_stop_port(phba);
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL)
-		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
 			lpfc_stop_vport_timers(vports[i]);
 	lpfc_destroy_vport_work_array(phba, vports);
 	lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
@@ -2046,7 +2239,7 @@ lpfc_offline(struct lpfc_hba *phba)
 	spin_unlock_irq(&phba->hbalock);
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL)
-		for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
 			shost = lpfc_shost_from_vport(vports[i]);
 			spin_lock_irq(shost->host_lock);
 			vports[i]->work_port_events = 0;
@@ -2139,6 +2332,10 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 	shost->max_lun = vport->cfg_max_luns;
 	shost->this_id = -1;
 	shost->max_cmd_len = 16;
+	if (phba->sli_rev == LPFC_SLI_REV4) {
+		shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE;
+		shost->sg_tablesize = phba->cfg_sg_seg_cnt;
+	}
 
 	/*
 	 * Set initial can_queue value since 0 is no longer supported and
@@ -2156,6 +2353,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 
 	/* Initialize all internally managed lists. */
 	INIT_LIST_HEAD(&vport->fc_nodes);
+	INIT_LIST_HEAD(&vport->rcv_buffer_list);
 	spin_lock_init(&vport->work_port_lock);
 
 	init_timer(&vport->fc_disctmo);
@@ -2347,192 +2545,501 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
 }
 
 /**
- * lpfc_enable_msix - Enable MSI-X interrupt mode
+ * lpfc_stop_port_s3 - Stop SLI3 device port
  * @phba: pointer to lpfc hba data structure.
  *
- * This routine is invoked to enable the MSI-X interrupt vectors. The kernel
- * function pci_enable_msix() is called to enable the MSI-X vectors. Note that
- * pci_enable_msix(), once invoked, enables either all or nothing, depending
- * on the current availability of PCI vector resources. The device driver is
- * responsible for calling the individual request_irq() to register each MSI-X
- * vector with a interrupt handler, which is done in this function. Note that
- * later when device is unloading, the driver should always call free_irq()
- * on all MSI-X vectors it has done request_irq() on before calling
- * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
- * will be left with MSI-X enabled and leaks its vectors.
+ * This routine is invoked to stop an SLI3 device port, it stops the device
+ * from generating interrupts and stops the device driver's timers for the
+ * device.
+ **/
+static void
+lpfc_stop_port_s3(struct lpfc_hba *phba)
+{
+	/* Clear all interrupt enable conditions */
+	writel(0, phba->HCregaddr);
+	readl(phba->HCregaddr); /* flush */
+	/* Clear all pending interrupts */
+	writel(0xffffffff, phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+
+	/* Reset some HBA SLI setup states */
+	lpfc_stop_hba_timers(phba);
+	phba->pport->work_port_events = 0;
+}
+
+/**
+ * lpfc_stop_port_s4 - Stop SLI4 device port
+ * @phba: pointer to lpfc hba data structure.
  *
- * Return codes
- *   0 - sucessful
- *   other values - error
+ * This routine is invoked to stop an SLI4 device port, it stops the device
+ * from generating interrupts and stops the device driver's timers for the
+ * device.
  **/
-static int
-lpfc_enable_msix(struct lpfc_hba *phba)
+static void
+lpfc_stop_port_s4(struct lpfc_hba *phba)
 {
-	int rc, i;
-	LPFC_MBOXQ_t *pmb;
+	/* Reset some HBA SLI4 setup states */
+	lpfc_stop_hba_timers(phba);
+	phba->pport->work_port_events = 0;
+	phba->sli4_hba.intr_enable = 0;
+	/* Hard clear it for now, shall have more graceful way to wait later */
+	phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+}
 
-	/* Set up MSI-X multi-message vectors */
-	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
-		phba->msix_entries[i].entry = i;
+/**
+ * lpfc_stop_port - Wrapper function for stopping hba port
+ * @phba: Pointer to HBA context object.
+ *
+ * This routine wraps the actual SLI3 or SLI4 hba stop port routine from
+ * the API jump table function pointer from the lpfc_hba struct.
+ **/
+void
+lpfc_stop_port(struct lpfc_hba *phba)
+{
+	phba->lpfc_stop_port(phba);
+}
 
-	/* Configure MSI-X capability structure */
-	rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
-				ARRAY_SIZE(phba->msix_entries));
-	if (rc) {
-		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-				"0420 PCI enable MSI-X failed (%d)\n", rc);
-		goto msi_fail_out;
-	} else
-		for (i = 0; i < LPFC_MSIX_VECTORS; i++)
-			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-					"0477 MSI-X entry[%d]: vector=x%x "
-					"message=%d\n", i,
-					phba->msix_entries[i].vector,
-					phba->msix_entries[i].entry);
+/**
+ * lpfc_sli4_remove_dflt_fcf - Remove the driver default fcf record from the port.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to remove the driver default fcf record from
+ * the port.  This routine currently acts on FCF Index 0.
+ *
+ **/
+void
+lpfc_sli_remove_dflt_fcf(struct lpfc_hba *phba)
+{
+	int rc = 0;
+	LPFC_MBOXQ_t *mboxq;
+	struct lpfc_mbx_del_fcf_tbl_entry *del_fcf_record;
+	uint32_t mbox_tmo, req_len;
+	uint32_t shdr_status, shdr_add_status;
+
+	mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"2020 Failed to allocate mbox for ADD_FCF cmd\n");
+		return;
+	}
+
+	req_len = sizeof(struct lpfc_mbx_del_fcf_tbl_entry) -
+		  sizeof(struct lpfc_sli4_cfg_mhdr);
+	rc = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
+			      LPFC_MBOX_OPCODE_FCOE_DELETE_FCF,
+			      req_len, LPFC_SLI4_MBX_EMBED);
 	/*
-	 * Assign MSI-X vectors to interrupt handlers
+	 * In phase 1, there is a single FCF index, 0.  In phase2, the driver
+	 * supports multiple FCF indices.
 	 */
+	del_fcf_record = &mboxq->u.mqe.un.del_fcf_entry;
+	bf_set(lpfc_mbx_del_fcf_tbl_count, del_fcf_record, 1);
+	bf_set(lpfc_mbx_del_fcf_tbl_index, del_fcf_record,
+	       phba->fcf.fcf_indx);
 
-	/* vector-0 is associated to slow-path handler */
-	rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler,
-			 IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba);
-	if (rc) {
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"0421 MSI-X slow-path request_irq failed "
-				"(%d)\n", rc);
-		goto msi_fail_out;
+	if (!phba->sli4_hba.intr_enable)
+		rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	else {
+		mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_SLI4_CONFIG);
+		rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+	}
+	/* The IOCTL status is embedded in the mailbox subheader. */
+	shdr_status = bf_get(lpfc_mbox_hdr_status,
+			     &del_fcf_record->header.cfg_shdr.response);
+	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
+				 &del_fcf_record->header.cfg_shdr.response);
+	if (shdr_status || shdr_add_status || rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2516 DEL FCF of default FCF Index failed "
+				"mbx status x%x, status x%x add_status x%x\n",
+				rc, shdr_status, shdr_add_status);
 	}
+	if (rc != MBX_TIMEOUT)
+		mempool_free(mboxq, phba->mbox_mem_pool);
+}
 
-	/* vector-1 is associated to fast-path handler */
-	rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler,
-			 IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba);
+/**
+ * lpfc_sli4_parse_latt_fault - Parse sli4 link-attention link fault code
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to parse the SLI4 link-attention link fault code and
+ * translate it into the base driver's read link attention mailbox command
+ * status.
+ *
+ * Return: Link-attention status in terms of base driver's coding.
+ **/
+static uint16_t
+lpfc_sli4_parse_latt_fault(struct lpfc_hba *phba,
+			   struct lpfc_acqe_link *acqe_link)
+{
+	uint16_t latt_fault;
 
-	if (rc) {
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"0429 MSI-X fast-path request_irq failed "
-				"(%d)\n", rc);
-		goto irq_fail_out;
+	switch (bf_get(lpfc_acqe_link_fault, acqe_link)) {
+	case LPFC_ASYNC_LINK_FAULT_NONE:
+	case LPFC_ASYNC_LINK_FAULT_LOCAL:
+	case LPFC_ASYNC_LINK_FAULT_REMOTE:
+		latt_fault = 0;
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0398 Invalid link fault code: x%x\n",
+				bf_get(lpfc_acqe_link_fault, acqe_link));
+		latt_fault = MBXERR_ERROR;
+		break;
 	}
+	return latt_fault;
+}
 
-	/*
-	 * Configure HBA MSI-X attention conditions to messages
-	 */
-	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+/**
+ * lpfc_sli4_parse_latt_type - Parse sli4 link attention type
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to parse the SLI4 link attention type and translate it
+ * into the base driver's link attention type coding.
+ *
+ * Return: Link attention type in terms of base driver's coding.
+ **/
+static uint8_t
+lpfc_sli4_parse_latt_type(struct lpfc_hba *phba,
+			  struct lpfc_acqe_link *acqe_link)
+{
+	uint8_t att_type;
 
-	if (!pmb) {
-		rc = -ENOMEM;
+	switch (bf_get(lpfc_acqe_link_status, acqe_link)) {
+	case LPFC_ASYNC_LINK_STATUS_DOWN:
+	case LPFC_ASYNC_LINK_STATUS_LOGICAL_DOWN:
+		att_type = AT_LINK_DOWN;
+		break;
+	case LPFC_ASYNC_LINK_STATUS_UP:
+		/* Ignore physical link up events - wait for logical link up */
+		att_type = AT_RESERVED;
+		break;
+	case LPFC_ASYNC_LINK_STATUS_LOGICAL_UP:
+		att_type = AT_LINK_UP;
+		break;
+	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"0474 Unable to allocate memory for issuing "
-				"MBOX_CONFIG_MSI command\n");
-		goto mem_fail_out;
+				"0399 Invalid link attention type: x%x\n",
+				bf_get(lpfc_acqe_link_status, acqe_link));
+		att_type = AT_RESERVED;
+		break;
 	}
-	rc = lpfc_config_msi(phba, pmb);
-	if (rc)
-		goto mbx_fail_out;
-	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
-	if (rc != MBX_SUCCESS) {
-		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
-				"0351 Config MSI mailbox command failed, "
-				"mbxCmd x%x, mbxStatus x%x\n",
-				pmb->mb.mbxCommand, pmb->mb.mbxStatus);
-		goto mbx_fail_out;
+	return att_type;
+}
+
+/**
+ * lpfc_sli4_parse_latt_link_speed - Parse sli4 link-attention link speed
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to parse the SLI4 link-attention link speed and translate
+ * it into the base driver's link-attention link speed coding.
+ *
+ * Return: Link-attention link speed in terms of base driver's coding.
+ **/
+static uint8_t
+lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
+				struct lpfc_acqe_link *acqe_link)
+{
+	uint8_t link_speed;
+
+	switch (bf_get(lpfc_acqe_link_speed, acqe_link)) {
+	case LPFC_ASYNC_LINK_SPEED_ZERO:
+		link_speed = LA_UNKNW_LINK;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_10MBPS:
+		link_speed = LA_UNKNW_LINK;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_100MBPS:
+		link_speed = LA_UNKNW_LINK;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_1GBPS:
+		link_speed = LA_1GHZ_LINK;
+		break;
+	case LPFC_ASYNC_LINK_SPEED_10GBPS:
+		link_speed = LA_10GHZ_LINK;
+		break;
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0483 Invalid link-attention link speed: x%x\n",
+				bf_get(lpfc_acqe_link_speed, acqe_link));
+		link_speed = LA_UNKNW_LINK;
+		break;
 	}
+	return link_speed;
+}
 
-	/* Free memory allocated for mailbox command */
-	mempool_free(pmb, phba->mbox_mem_pool);
-	return rc;
+/**
+ * lpfc_sli4_async_link_evt - Process the asynchronous link event
+ * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async link completion queue entry.
+ *
+ * This routine is to handle the SLI4 asynchronous link event.
+ **/
+static void
+lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_link *acqe_link)
+{
+	struct lpfc_dmabuf *mp;
+	LPFC_MBOXQ_t *pmb;
+	MAILBOX_t *mb;
+	READ_LA_VAR *la;
+	uint8_t att_type;
 
-mbx_fail_out:
-	/* Free memory allocated for mailbox command */
-	mempool_free(pmb, phba->mbox_mem_pool);
+	att_type = lpfc_sli4_parse_latt_type(phba, acqe_link);
+	if (att_type != AT_LINK_DOWN && att_type != AT_LINK_UP)
+		return;
+	pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0395 The mboxq allocation failed\n");
+		return;
+	}
+	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!mp) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0396 The lpfc_dmabuf allocation failed\n");
+		goto out_free_pmb;
+	}
+	mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys);
+	if (!mp->virt) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"0397 The mbuf allocation failed\n");
+		goto out_free_dmabuf;
+	}
 
-mem_fail_out:
-	/* free the irq already requested */
-	free_irq(phba->msix_entries[1].vector, phba);
+	/* Cleanup any outstanding ELS commands */
+	lpfc_els_flush_all_cmd(phba);
 
-irq_fail_out:
-	/* free the irq already requested */
-	free_irq(phba->msix_entries[0].vector, phba);
+	/* Block ELS IOCBs until we have done process link event */
+	phba->sli.ring[LPFC_ELS_RING].flag |= LPFC_STOP_IOCB_EVENT;
 
-msi_fail_out:
-	/* Unconfigure MSI-X capability structure */
-	pci_disable_msix(phba->pcidev);
-	return rc;
+	/* Update link event statistics */
+	phba->sli.slistat.link_event++;
+
+	/* Create pseudo lpfc_handle_latt mailbox command from link ACQE */
+	lpfc_read_la(phba, pmb, mp);
+	pmb->vport = phba->pport;
+
+	/* Parse and translate status field */
+	mb = &pmb->u.mb;
+	mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, acqe_link);
+
+	/* Parse and translate link attention fields */
+	la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA;
+	la->eventTag = acqe_link->event_tag;
+	la->attType = att_type;
+	la->UlnkSpeed = lpfc_sli4_parse_latt_link_speed(phba, acqe_link);
+
+	/* Fake the the following irrelvant fields */
+	la->topology = TOPOLOGY_PT_PT;
+	la->granted_AL_PA = 0;
+	la->il = 0;
+	la->pb = 0;
+	la->fa = 0;
+	la->mm = 0;
+
+	/* Keep the link status for extra SLI4 state machine reference */
+	phba->sli4_hba.link_state.speed =
+				bf_get(lpfc_acqe_link_speed, acqe_link);
+	phba->sli4_hba.link_state.duplex =
+				bf_get(lpfc_acqe_link_duplex, acqe_link);
+	phba->sli4_hba.link_state.status =
+				bf_get(lpfc_acqe_link_status, acqe_link);
+	phba->sli4_hba.link_state.physical =
+				bf_get(lpfc_acqe_link_physical, acqe_link);
+	phba->sli4_hba.link_state.fault =
+				bf_get(lpfc_acqe_link_fault, acqe_link);
+
+	/* Invoke the lpfc_handle_latt mailbox command callback function */
+	lpfc_mbx_cmpl_read_la(phba, pmb);
+
+	return;
+
+out_free_dmabuf:
+	kfree(mp);
+out_free_pmb:
+	mempool_free(pmb, phba->mbox_mem_pool);
 }
 
 /**
- * lpfc_disable_msix - Disable MSI-X interrupt mode
+ * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
  * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async fcoe completion queue entry.
  *
- * This routine is invoked to release the MSI-X vectors and then disable the
- * MSI-X interrupt mode.
+ * This routine is to handle the SLI4 asynchronous fcoe event.
  **/
 static void
-lpfc_disable_msix(struct lpfc_hba *phba)
+lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_fcoe *acqe_fcoe)
 {
-	int i;
+	uint8_t event_type = bf_get(lpfc_acqe_fcoe_event_type, acqe_fcoe);
+	int rc;
 
-	/* Free up MSI-X multi-message vectors */
-	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
-		free_irq(phba->msix_entries[i].vector, phba);
-	/* Disable MSI-X */
-	pci_disable_msix(phba->pcidev);
+	switch (event_type) {
+	case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
+		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+			"2546 New FCF found index 0x%x tag 0x%x \n",
+			acqe_fcoe->fcf_index,
+			acqe_fcoe->event_tag);
+		/*
+		 * If the current FCF is in discovered state,
+		 * do nothing.
+		 */
+		spin_lock_irq(&phba->hbalock);
+		if (phba->fcf.fcf_flag & FCF_DISCOVERED) {
+			spin_unlock_irq(&phba->hbalock);
+			break;
+		}
+		spin_unlock_irq(&phba->hbalock);
+
+		/* Read the FCF table and re-discover SAN. */
+		rc = lpfc_sli4_read_fcf_record(phba,
+			LPFC_FCOE_FCF_GET_FIRST);
+		if (rc)
+			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+				"2547 Read FCF record failed 0x%x\n",
+				rc);
+		break;
+
+	case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"2548 FCF Table full count 0x%x tag 0x%x \n",
+			bf_get(lpfc_acqe_fcoe_fcf_count, acqe_fcoe),
+			acqe_fcoe->event_tag);
+		break;
+
+	case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
+		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+			"2549 FCF disconnected fron network index 0x%x"
+			" tag 0x%x \n", acqe_fcoe->fcf_index,
+			acqe_fcoe->event_tag);
+		/* If the event is not for currently used fcf do nothing */
+		if (phba->fcf.fcf_indx != acqe_fcoe->fcf_index)
+			break;
+		/*
+		 * Currently, driver support only one FCF - so treat this as
+		 * a link down.
+		 */
+		lpfc_linkdown(phba);
+		/* Unregister FCF if no devices connected to it */
+		lpfc_unregister_unused_fcf(phba);
+		break;
+
+	default:
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"0288 Unknown FCoE event type 0x%x event tag "
+			"0x%x\n", event_type, acqe_fcoe->event_tag);
+		break;
+	}
 }
 
 /**
- * lpfc_enable_msi - Enable MSI interrupt mode
+ * lpfc_sli4_async_dcbx_evt - Process the asynchronous dcbx event
  * @phba: pointer to lpfc hba data structure.
+ * @acqe_link: pointer to the async dcbx completion queue entry.
  *
- * This routine is invoked to enable the MSI interrupt mode. The kernel
- * function pci_enable_msi() is called to enable the MSI vector. The
- * device driver is responsible for calling the request_irq() to register
- * MSI vector with a interrupt the handler, which is done in this function.
- *
- * Return codes
- * 	0 - sucessful
- * 	other values - error
- */
-static int
-lpfc_enable_msi(struct lpfc_hba *phba)
+ * This routine is to handle the SLI4 asynchronous dcbx event.
+ **/
+static void
+lpfc_sli4_async_dcbx_evt(struct lpfc_hba *phba,
+			 struct lpfc_acqe_dcbx *acqe_dcbx)
 {
-	int rc;
+	lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"0290 The SLI4 DCBX asynchronous event is not "
+			"handled yet\n");
+}
 
-	rc = pci_enable_msi(phba->pcidev);
-	if (!rc)
-		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-				"0462 PCI enable MSI mode success.\n");
-	else {
-		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-				"0471 PCI enable MSI mode failed (%d)\n", rc);
-		return rc;
-	}
+/**
+ * lpfc_sli4_async_event_proc - Process all the pending asynchronous event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked by the worker thread to process all the pending
+ * SLI4 asynchronous events.
+ **/
+void lpfc_sli4_async_event_proc(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event;
 
-	rc = request_irq(phba->pcidev->irq, lpfc_intr_handler,
-			 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
-	if (rc) {
-		pci_disable_msi(phba->pcidev);
-		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"0478 MSI request_irq failed (%d)\n", rc);
+	/* First, declare the async event has been handled */
+	spin_lock_irq(&phba->hbalock);
+	phba->hba_flag &= ~ASYNC_EVENT;
+	spin_unlock_irq(&phba->hbalock);
+	/* Now, handle all the async events */
+	while (!list_empty(&phba->sli4_hba.sp_asynce_work_queue)) {
+		/* Get the first event from the head of the event queue */
+		spin_lock_irq(&phba->hbalock);
+		list_remove_head(&phba->sli4_hba.sp_asynce_work_queue,
+				 cq_event, struct lpfc_cq_event, list);
+		spin_unlock_irq(&phba->hbalock);
+		/* Process the asynchronous event */
+		switch (bf_get(lpfc_trailer_code, &cq_event->cqe.mcqe_cmpl)) {
+		case LPFC_TRAILER_CODE_LINK:
+			lpfc_sli4_async_link_evt(phba,
+						 &cq_event->cqe.acqe_link);
+			break;
+		case LPFC_TRAILER_CODE_FCOE:
+			lpfc_sli4_async_fcoe_evt(phba,
+						 &cq_event->cqe.acqe_fcoe);
+			break;
+		case LPFC_TRAILER_CODE_DCBX:
+			lpfc_sli4_async_dcbx_evt(phba,
+						 &cq_event->cqe.acqe_dcbx);
+			break;
+		default:
+			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+					"1804 Invalid asynchrous event code: "
+					"x%x\n", bf_get(lpfc_trailer_code,
+					&cq_event->cqe.mcqe_cmpl));
+			break;
+		}
+		/* Free the completion event processed to the free pool */
+		lpfc_sli4_cq_event_release(phba, cq_event);
 	}
-	return rc;
 }
 
 /**
- * lpfc_disable_msi - Disable MSI interrupt mode
+ * lpfc_api_table_setup - Set up per hba pci-device group func api jump table
  * @phba: pointer to lpfc hba data structure.
+ * @dev_grp: The HBA PCI-Device group number.
  *
- * This routine is invoked to disable the MSI interrupt mode. The driver
- * calls free_irq() on MSI vector it has done request_irq() on before
- * calling pci_disable_msi(). Failure to do so results in a BUG_ON() and
- * a device will be left with MSI enabled and leaks its vector.
- */
-
-static void
-lpfc_disable_msi(struct lpfc_hba *phba)
+ * This routine is invoked to set up the per HBA PCI-Device group function
+ * API jump table entries.
+ *
+ * Return: 0 if success, otherwise -ENODEV
+ **/
+int
+lpfc_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
 {
-	free_irq(phba->pcidev->irq, phba);
-	pci_disable_msi(phba->pcidev);
-	return;
+	int rc;
+
+	/* Set up lpfc PCI-device group */
+	phba->pci_dev_grp = dev_grp;
+
+	/* The LPFC_PCI_DEV_OC uses SLI4 */
+	if (dev_grp == LPFC_PCI_DEV_OC)
+		phba->sli_rev = LPFC_SLI_REV4;
+
+	/* Set up device INIT API function jump table */
+	rc = lpfc_init_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+	/* Set up SCSI API function jump table */
+	rc = lpfc_scsi_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+	/* Set up SLI API function jump table */
+	rc = lpfc_sli_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+	/* Set up MBOX API function jump table */
+	rc = lpfc_mbox_api_table_setup(phba, dev_grp);
+	if (rc)
+		return -ENODEV;
+
+	return 0;
 }
 
 /**
@@ -2764,6 +3271,292 @@ lpfc_sli_driver_resource_unset(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_driver_resource_setup - Setup drvr internal resources for SLI4 dev
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the driver internal resources specific to
+ * support the SLI-4 HBA device it attached to.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	other values - error
+ **/
+static int
+lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
+{
+	struct lpfc_sli *psli;
+	int rc;
+	int i, hbq_count;
+
+	/* Before proceed, wait for POST done and device ready */
+	rc = lpfc_sli4_post_status_check(phba);
+	if (rc)
+		return -ENODEV;
+
+	/*
+	 * Initialize timers used by driver
+	 */
+
+	/* Heartbeat timer */
+	init_timer(&phba->hb_tmofunc);
+	phba->hb_tmofunc.function = lpfc_hb_timeout;
+	phba->hb_tmofunc.data = (unsigned long)phba;
+
+	psli = &phba->sli;
+	/* MBOX heartbeat timer */
+	init_timer(&psli->mbox_tmo);
+	psli->mbox_tmo.function = lpfc_mbox_timeout;
+	psli->mbox_tmo.data = (unsigned long) phba;
+	/* Fabric block timer */
+	init_timer(&phba->fabric_block_timer);
+	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
+	phba->fabric_block_timer.data = (unsigned long) phba;
+	/* EA polling mode timer */
+	init_timer(&phba->eratt_poll);
+	phba->eratt_poll.function = lpfc_poll_eratt;
+	phba->eratt_poll.data = (unsigned long) phba;
+	/*
+	 * We need to do a READ_CONFIG mailbox command here before
+	 * calling lpfc_get_cfgparam. For VFs this will report the
+	 * MAX_XRI, MAX_VPI, MAX_RPI, MAX_IOCB, and MAX_VFI settings.
+	 * All of the resources allocated
+	 * for this Port are tied to these values.
+	 */
+	/* Get all the module params for configuring this host */
+	lpfc_get_cfgparam(phba);
+	phba->max_vpi = LPFC_MAX_VPI;
+	/* This will be set to correct value after the read_config mbox */
+	phba->max_vports = 0;
+
+	/* Program the default value of vlan_id and fc_map */
+	phba->valid_vlan = 0;
+	phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
+	phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
+	phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
+
+	/*
+	 * Since the sg_tablesize is module parameter, the sg_dma_buf_size
+	 * used to create the sg_dma_buf_pool must be dynamically calculated.
+	 * 2 segments are added since the IOCB needs a command and response bde.
+	 * To insure that the scsi sgl does not cross a 4k page boundary only
+	 * sgl sizes of 1k, 2k, 4k, and 8k are supported.
+	 * Table of sgl sizes and seg_cnt:
+	 * sgl size, 	sg_seg_cnt	total seg
+	 * 1k		50		52
+	 * 2k		114		116
+	 * 4k		242		244
+	 * 8k		498		500
+	 * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
+	 * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
+	 * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
+	 * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
+	 */
+	if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT)
+		phba->cfg_sg_seg_cnt = 50;
+	else if (phba->cfg_sg_seg_cnt <= 114)
+		phba->cfg_sg_seg_cnt = 114;
+	else if (phba->cfg_sg_seg_cnt <= 242)
+		phba->cfg_sg_seg_cnt = 242;
+	else
+		phba->cfg_sg_seg_cnt = 498;
+
+	phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd)
+					+ sizeof(struct fcp_rsp);
+	phba->cfg_sg_dma_buf_size +=
+		((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
+
+	/* Initialize buffer queue management fields */
+	hbq_count = lpfc_sli_hbq_count();
+	for (i = 0; i < hbq_count; ++i)
+		INIT_LIST_HEAD(&phba->hbqs[i].hbq_buffer_list);
+	INIT_LIST_HEAD(&phba->rb_pend_list);
+	phba->hbqs[LPFC_ELS_HBQ].hbq_alloc_buffer = lpfc_sli4_rb_alloc;
+	phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer = lpfc_sli4_rb_free;
+
+	/*
+	 * Initialize the SLI Layer to run with lpfc SLI4 HBAs.
+	 */
+	/* Initialize the Abort scsi buffer list used by driver */
+	spin_lock_init(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
+	/* This abort list used by worker thread */
+	spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
+
+	/*
+	 * Initialize dirver internal slow-path work queues
+	 */
+
+	/* Driver internel slow-path CQ Event pool */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_cqe_event_pool);
+	/* Response IOCB work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_rspiocb_work_queue);
+	/* Asynchronous event CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_asynce_work_queue);
+	/* Fast-path XRI aborted CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
+	/* Slow-path XRI aborted CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_els_xri_aborted_work_queue);
+	/* Receive queue CQ Event work queue list */
+	INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
+
+	/* Initialize the driver internal SLI layer lists. */
+	lpfc_sli_setup(phba);
+	lpfc_sli_queue_setup(phba);
+
+	/* Allocate device driver memory */
+	rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ);
+	if (rc)
+		return -ENOMEM;
+
+	/* Create the bootstrap mailbox command */
+	rc = lpfc_create_bootstrap_mbox(phba);
+	if (unlikely(rc))
+		goto out_free_mem;
+
+	/* Set up the host's endian order with the device. */
+	rc = lpfc_setup_endian_order(phba);
+	if (unlikely(rc))
+		goto out_free_bsmbx;
+
+	/* Set up the hba's configuration parameters. */
+	rc = lpfc_sli4_read_config(phba);
+	if (unlikely(rc))
+		goto out_free_bsmbx;
+
+	/* Perform a function reset */
+	rc = lpfc_pci_function_reset(phba);
+	if (unlikely(rc))
+		goto out_free_bsmbx;
+
+	/* Create all the SLI4 queues */
+	rc = lpfc_sli4_queue_create(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;
+
+	/* Initialize and populate the iocb list per host */
+	rc = lpfc_init_sgl_list(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1400 Failed to initialize sgl list.\n");
+		goto out_destroy_cq_event_pool;
+	}
+	rc = lpfc_init_active_sgl_array(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1430 Failed to initialize sgl list.\n");
+		goto out_free_sgl_list;
+	}
+
+	rc = lpfc_sli4_init_rpi_hdrs(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1432 Failed to initialize rpi headers.\n");
+		goto out_free_active_sgl;
+	}
+
+	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");
+		goto out_remove_rpi_hdrs;
+	}
+
+	phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
+				      phba->sli4_hba.cfg_eqn), GFP_KERNEL);
+	if (!phba->sli4_hba.msix_entries) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2573 Failed allocate memory for msi-x "
+				"interrupt vector entries\n");
+		goto out_free_fcp_eq_hdl;
+	}
+
+	return rc;
+
+out_free_fcp_eq_hdl:
+	kfree(phba->sli4_hba.fcp_eq_hdl);
+out_remove_rpi_hdrs:
+	lpfc_sli4_remove_rpi_hdrs(phba);
+out_free_active_sgl:
+	lpfc_free_active_sgl(phba);
+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:
+	lpfc_mem_free(phba);
+	return rc;
+}
+
+/**
+ * lpfc_sli4_driver_resource_unset - Unset drvr internal resources for SLI4 dev
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the driver internal resources set up
+ * specific for supporting the SLI-4 HBA device it attached to.
+ **/
+static void
+lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
+{
+	struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
+
+	/* unregister default FCFI from the HBA */
+	lpfc_sli4_fcfi_unreg(phba, phba->fcf.fcfi);
+
+	/* Free the default FCR table */
+	lpfc_sli_remove_dflt_fcf(phba);
+
+	/* Free memory allocated for msi-x interrupt vector entries */
+	kfree(phba->sli4_hba.msix_entries);
+
+	/* Free memory allocated for fast-path work queue handles */
+	kfree(phba->sli4_hba.fcp_eq_hdl);
+
+	/* Free the allocated rpi headers. */
+	lpfc_sli4_remove_rpi_hdrs(phba);
+
+	/* Free the ELS sgl list */
+	lpfc_free_active_sgl(phba);
+	lpfc_free_sgl_list(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);
+
+	/* Reset SLI4 HBA FCoE function */
+	lpfc_pci_function_reset(phba);
+
+	/* Free the bsmbx region. */
+	lpfc_destroy_bootstrap_mbox(phba);
+
+	/* Free the SLI Layer memory with SLI4 HBAs */
+	lpfc_mem_free_all(phba);
+
+	/* Free the current connect table */
+	list_for_each_entry_safe(conn_entry, next_conn_entry,
+		&phba->fcf_conn_rec_list, list)
+		kfree(conn_entry);
+
+	return;
+}
+
+/**
  * lpfc_init_api_table_setup - Set up init api fucntion jump table
  * @phba: The hba struct for which this call is being executed.
  * @dev_grp: The HBA PCI-Device group number.
@@ -2782,6 +3575,11 @@ lpfc_init_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
 		phba->lpfc_handle_eratt = lpfc_handle_eratt_s3;
 		phba->lpfc_stop_port = lpfc_stop_port_s3;
 		break;
+	case LPFC_PCI_DEV_OC:
+		phba->lpfc_hba_down_post = lpfc_hba_down_post_s4;
+		phba->lpfc_handle_eratt = lpfc_handle_eratt_s4;
+		phba->lpfc_stop_port = lpfc_stop_port_s4;
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1431 Invalid HBA PCI-device group: 0x%x\n",
@@ -2956,6 +3754,346 @@ out_free_iocbq:
 }
 
 /**
+ * lpfc_free_sgl_list - Free sgl list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to free the driver's sgl list and memory.
+ **/
+static void
+lpfc_free_sgl_list(struct lpfc_hba *phba)
+{
+	struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
+	LIST_HEAD(sglq_list);
+	int rc = 0;
+
+	spin_lock_irq(&phba->hbalock);
+	list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &sglq_list);
+	spin_unlock_irq(&phba->hbalock);
+
+	list_for_each_entry_safe(sglq_entry, sglq_next,
+				 &sglq_list, list) {
+		list_del(&sglq_entry->list);
+		lpfc_mbuf_free(phba, sglq_entry->virt, sglq_entry->phys);
+		kfree(sglq_entry);
+		phba->sli4_hba.total_sglq_bufs--;
+	}
+	rc = lpfc_sli4_remove_all_sgl_pages(phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"2005 Unable to deregister pages from HBA: %x", rc);
+	}
+	kfree(phba->sli4_hba.lpfc_els_sgl_array);
+}
+
+/**
+ * lpfc_init_active_sgl_array - Allocate the buf to track active ELS XRIs.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate the driver's active sgl memory.
+ * This array will hold the sglq_entry's for active IOs.
+ **/
+static int
+lpfc_init_active_sgl_array(struct lpfc_hba *phba)
+{
+	int size;
+	size = sizeof(struct lpfc_sglq *);
+	size *= phba->sli4_hba.max_cfg_param.max_xri;
+
+	phba->sli4_hba.lpfc_sglq_active_list =
+		kzalloc(size, GFP_KERNEL);
+	if (!phba->sli4_hba.lpfc_sglq_active_list)
+		return -ENOMEM;
+	return 0;
+}
+
+/**
+ * lpfc_free_active_sgl - Free the buf that tracks active ELS XRIs.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to walk through the array of active sglq entries
+ * and free all of the resources.
+ * This is just a place holder for now.
+ **/
+static void
+lpfc_free_active_sgl(struct lpfc_hba *phba)
+{
+	kfree(phba->sli4_hba.lpfc_sglq_active_list);
+}
+
+/**
+ * lpfc_init_sgl_list - Allocate and initialize sgl list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate and initizlize the driver's sgl
+ * list and set up the sgl xritag tag array accordingly.
+ *
+ * Return codes
+ *	0 - sucessful
+ *	other values - error
+ **/
+static int
+lpfc_init_sgl_list(struct lpfc_hba *phba)
+{
+	struct lpfc_sglq *sglq_entry = NULL;
+	int i;
+	int els_xri_cnt;
+
+	els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba);
+	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"2400 lpfc_init_sgl_list els %d.\n",
+				els_xri_cnt);
+	/* Initialize and populate the sglq list per host/VF. */
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_els_sgl_list);
+
+	/* Sanity check on XRI management */
+	if (phba->sli4_hba.max_cfg_param.max_xri <= els_xri_cnt) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2562 No room left for SCSI XRI allocation: "
+				"max_xri=%d, els_xri=%d\n",
+				phba->sli4_hba.max_cfg_param.max_xri,
+				els_xri_cnt);
+		return -ENOMEM;
+	}
+
+	/* Allocate memory for the ELS XRI management array */
+	phba->sli4_hba.lpfc_els_sgl_array =
+			kzalloc((sizeof(struct lpfc_sglq *) * els_xri_cnt),
+			GFP_KERNEL);
+
+	if (!phba->sli4_hba.lpfc_els_sgl_array) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2401 Failed to allocate memory for ELS "
+				"XRI management array of size %d.\n",
+				els_xri_cnt);
+		return -ENOMEM;
+	}
+
+	/* Keep the SCSI XRI into the XRI management array */
+	phba->sli4_hba.scsi_xri_max =
+			phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
+	phba->sli4_hba.scsi_xri_cnt = 0;
+
+	phba->sli4_hba.lpfc_scsi_psb_array =
+			kzalloc((sizeof(struct lpfc_scsi_buf *) *
+			phba->sli4_hba.scsi_xri_max), GFP_KERNEL);
+
+	if (!phba->sli4_hba.lpfc_scsi_psb_array) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2563 Failed to allocate memory for SCSI "
+				"XRI management array of size %d.\n",
+				phba->sli4_hba.scsi_xri_max);
+		kfree(phba->sli4_hba.lpfc_els_sgl_array);
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < els_xri_cnt; i++) {
+		sglq_entry = kzalloc(sizeof(struct lpfc_sglq), GFP_KERNEL);
+		if (sglq_entry == NULL) {
+			printk(KERN_ERR "%s: only allocated %d sgls of "
+				"expected %d count. Unloading driver.\n",
+				__func__, i, els_xri_cnt);
+			goto out_free_mem;
+		}
+
+		sglq_entry->sli4_xritag = lpfc_sli4_next_xritag(phba);
+		if (sglq_entry->sli4_xritag == NO_XRI) {
+			kfree(sglq_entry);
+			printk(KERN_ERR "%s: failed to allocate XRI.\n"
+				"Unloading driver.\n", __func__);
+			goto out_free_mem;
+		}
+		sglq_entry->buff_type = GEN_BUFF_TYPE;
+		sglq_entry->virt = lpfc_mbuf_alloc(phba, 0, &sglq_entry->phys);
+		if (sglq_entry->virt == NULL) {
+			kfree(sglq_entry);
+			printk(KERN_ERR "%s: failed to allocate mbuf.\n"
+				"Unloading driver.\n", __func__);
+			goto out_free_mem;
+		}
+		sglq_entry->sgl = sglq_entry->virt;
+		memset(sglq_entry->sgl, 0, LPFC_BPL_SIZE);
+
+		/* The list order is used by later block SGL registraton */
+		spin_lock_irq(&phba->hbalock);
+		list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list);
+		phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry;
+		phba->sli4_hba.total_sglq_bufs++;
+		spin_unlock_irq(&phba->hbalock);
+	}
+	return 0;
+
+out_free_mem:
+	kfree(phba->sli4_hba.lpfc_scsi_psb_array);
+	lpfc_free_sgl_list(phba);
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_init_rpi_hdrs - Post the rpi header memory region to the port
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to post rpi header templates to the
+ * HBA consistent with the SLI-4 interface spec.  This routine
+ * posts a PAGE_SIZE memory region to the port to hold up to
+ * PAGE_SIZE modulo 64 rpi context headers.
+ * No locks are held here because this is an initialization routine
+ * called only from probe or lpfc_online when interrupts are not
+ * enabled and the driver is reinitializing the device.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *phba)
+{
+	int rc = 0;
+	int longs;
+	uint16_t rpi_count;
+	struct lpfc_rpi_hdr *rpi_hdr;
+
+	INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_hdr_list);
+
+	/*
+	 * Provision an rpi bitmask range for discovery. The total count
+	 * is the difference between max and base + 1.
+	 */
+	rpi_count = phba->sli4_hba.max_cfg_param.rpi_base +
+		    phba->sli4_hba.max_cfg_param.max_rpi - 1;
+
+	longs = ((rpi_count) + BITS_PER_LONG - 1) / BITS_PER_LONG;
+	phba->sli4_hba.rpi_bmask = kzalloc(longs * sizeof(unsigned long),
+					   GFP_KERNEL);
+	if (!phba->sli4_hba.rpi_bmask)
+		return -ENOMEM;
+
+	rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
+	if (!rpi_hdr) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+				"0391 Error during rpi post operation\n");
+		lpfc_sli4_remove_rpis(phba);
+		rc = -ENODEV;
+	}
+
+	return rc;
+}
+
+/**
+ * lpfc_sli4_create_rpi_hdr - Allocate an rpi header memory region
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate a single 4KB memory region to
+ * support rpis and stores them in the phba.  This single region
+ * provides support for up to 64 rpis.  The region is used globally
+ * by the device.
+ *
+ * Returns:
+ *   A valid rpi hdr on success.
+ *   A NULL pointer on any failure.
+ **/
+struct lpfc_rpi_hdr *
+lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
+{
+	uint16_t rpi_limit, curr_rpi_range;
+	struct lpfc_dmabuf *dmabuf;
+	struct lpfc_rpi_hdr *rpi_hdr;
+
+	rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
+		    phba->sli4_hba.max_cfg_param.max_rpi - 1;
+
+	spin_lock_irq(&phba->hbalock);
+	curr_rpi_range = phba->sli4_hba.next_rpi;
+	spin_unlock_irq(&phba->hbalock);
+
+	/*
+	 * The port has a limited number of rpis. The increment here
+	 * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value
+	 * and to allow the full max_rpi range per port.
+	 */
+	if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit)
+		return NULL;
+
+	/*
+	 * First allocate the protocol header region for the port.  The
+	 * port expects a 4KB DMA-mapped memory region that is 4K aligned.
+	 */
+	dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!dmabuf)
+		return NULL;
+
+	dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
+					  LPFC_HDR_TEMPLATE_SIZE,
+					  &dmabuf->phys,
+					  GFP_KERNEL);
+	if (!dmabuf->virt) {
+		rpi_hdr = NULL;
+		goto err_free_dmabuf;
+	}
+
+	memset(dmabuf->virt, 0, LPFC_HDR_TEMPLATE_SIZE);
+	if (!IS_ALIGNED(dmabuf->phys, LPFC_HDR_TEMPLATE_SIZE)) {
+		rpi_hdr = NULL;
+		goto err_free_coherent;
+	}
+
+	/* Save the rpi header data for cleanup later. */
+	rpi_hdr = kzalloc(sizeof(struct lpfc_rpi_hdr), GFP_KERNEL);
+	if (!rpi_hdr)
+		goto err_free_coherent;
+
+	rpi_hdr->dmabuf = dmabuf;
+	rpi_hdr->len = LPFC_HDR_TEMPLATE_SIZE;
+	rpi_hdr->page_count = 1;
+	spin_lock_irq(&phba->hbalock);
+	rpi_hdr->start_rpi = phba->sli4_hba.next_rpi;
+	list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list);
+
+	/*
+	 * The next_rpi stores the next module-64 rpi value to post
+	 * in any subsequent rpi memory region postings.
+	 */
+	phba->sli4_hba.next_rpi += LPFC_RPI_HDR_COUNT;
+	spin_unlock_irq(&phba->hbalock);
+	return rpi_hdr;
+
+ err_free_coherent:
+	dma_free_coherent(&phba->pcidev->dev, LPFC_HDR_TEMPLATE_SIZE,
+			  dmabuf->virt, dmabuf->phys);
+ err_free_dmabuf:
+	kfree(dmabuf);
+	return NULL;
+}
+
+/**
+ * lpfc_sli4_remove_rpi_hdrs - Remove all rpi header memory regions
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to remove all memory resources allocated
+ * to support rpis. This routine presumes the caller has released all
+ * rpis consumed by fabric or port logins and is prepared to have
+ * the header pages removed.
+ **/
+void
+lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
+{
+	struct lpfc_rpi_hdr *rpi_hdr, *next_rpi_hdr;
+
+	list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
+				 &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
+		list_del(&rpi_hdr->list);
+		dma_free_coherent(&phba->pcidev->dev, rpi_hdr->len,
+				  rpi_hdr->dmabuf->virt, rpi_hdr->dmabuf->phys);
+		kfree(rpi_hdr->dmabuf);
+		kfree(rpi_hdr);
+	}
+
+	phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
+	memset(phba->sli4_hba.rpi_bmask, 0, sizeof(*phba->sli4_hba.rpi_bmask));
+}
+
+/**
  * lpfc_hba_alloc - Allocate driver hba data structure for a device.
  * @pdev: pointer to pci device data structure.
  *
@@ -3316,6 +4454,1542 @@ lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_post_status_check - Wait for SLI4 POST done and check status
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to wait for SLI4 device Power On Self Test (POST)
+ * done and check status.
+ *
+ * Return 0 if successful, otherwise -ENODEV.
+ **/
+int
+lpfc_sli4_post_status_check(struct lpfc_hba *phba)
+{
+	struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad;
+	uint32_t onlnreg0, onlnreg1;
+	int i, port_error = -ENODEV;
+
+	if (!phba->sli4_hba.STAregaddr)
+		return -ENODEV;
+
+	/* With uncoverable error, log the error message and return error */
+	onlnreg0 = readl(phba->sli4_hba.ONLINE0regaddr);
+	onlnreg1 = readl(phba->sli4_hba.ONLINE1regaddr);
+	if ((onlnreg0 != LPFC_ONLINE_NERR) || (onlnreg1 != LPFC_ONLINE_NERR)) {
+		uerrlo_reg.word0 = readl(phba->sli4_hba.UERRLOregaddr);
+		uerrhi_reg.word0 = readl(phba->sli4_hba.UERRHIregaddr);
+		if (uerrlo_reg.word0 || uerrhi_reg.word0) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"1422 HBA Unrecoverable error: "
+					"uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
+					"online0_reg=0x%x, online1_reg=0x%x\n",
+					uerrlo_reg.word0, uerrhi_reg.word0,
+					onlnreg0, onlnreg1);
+		}
+		return -ENODEV;
+	}
+
+	/* Wait up to 30 seconds for the SLI Port POST done and ready */
+	for (i = 0; i < 3000; i++) {
+		sta_reg.word0 = readl(phba->sli4_hba.STAregaddr);
+		/* Encounter fatal POST error, break out */
+		if (bf_get(lpfc_hst_state_perr, &sta_reg)) {
+			port_error = -ENODEV;
+			break;
+		}
+		if (LPFC_POST_STAGE_ARMFW_READY ==
+		    bf_get(lpfc_hst_state_port_status, &sta_reg)) {
+			port_error = 0;
+			break;
+		}
+		msleep(10);
+	}
+
+	if (port_error)
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+			"1408 Failure HBA POST Status: sta_reg=0x%x, "
+			"perr=x%x, sfi=x%x, nip=x%x, ipc=x%x, xrom=x%x, "
+			"dl=x%x, pstatus=x%x\n", sta_reg.word0,
+			bf_get(lpfc_hst_state_perr, &sta_reg),
+			bf_get(lpfc_hst_state_sfi, &sta_reg),
+			bf_get(lpfc_hst_state_nip, &sta_reg),
+			bf_get(lpfc_hst_state_ipc, &sta_reg),
+			bf_get(lpfc_hst_state_xrom, &sta_reg),
+			bf_get(lpfc_hst_state_dl, &sta_reg),
+			bf_get(lpfc_hst_state_port_status, &sta_reg));
+
+	/* Log device information */
+	scratchpad.word0 =  readl(phba->sli4_hba.SCRATCHPADregaddr);
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
+			"FeatureL1=0x%x, FeatureL2=0x%x\n",
+			bf_get(lpfc_scratchpad_chiptype, &scratchpad),
+			bf_get(lpfc_scratchpad_slirev, &scratchpad),
+			bf_get(lpfc_scratchpad_featurelevel1, &scratchpad),
+			bf_get(lpfc_scratchpad_featurelevel2, &scratchpad));
+
+	return port_error;
+}
+
+/**
+ * lpfc_sli4_bar0_register_memmap - Set up SLI4 BAR0 register memory map.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up SLI4 BAR0 PCI config space register
+ * memory map.
+ **/
+static void
+lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba)
+{
+	phba->sli4_hba.UERRLOregaddr = phba->sli4_hba.conf_regs_memmap_p +
+					LPFC_UERR_STATUS_LO;
+	phba->sli4_hba.UERRHIregaddr = phba->sli4_hba.conf_regs_memmap_p +
+					LPFC_UERR_STATUS_HI;
+	phba->sli4_hba.ONLINE0regaddr = phba->sli4_hba.conf_regs_memmap_p +
+					LPFC_ONLINE0;
+	phba->sli4_hba.ONLINE1regaddr = phba->sli4_hba.conf_regs_memmap_p +
+					LPFC_ONLINE1;
+	phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p +
+					LPFC_SCRATCHPAD;
+}
+
+/**
+ * lpfc_sli4_bar1_register_memmap - Set up SLI4 BAR1 register memory map.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up SLI4 BAR1 control status register (CSR)
+ * memory map.
+ **/
+static void
+lpfc_sli4_bar1_register_memmap(struct lpfc_hba *phba)
+{
+
+	phba->sli4_hba.STAregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+				    LPFC_HST_STATE;
+	phba->sli4_hba.ISRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+				    LPFC_HST_ISR0;
+	phba->sli4_hba.IMRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+				    LPFC_HST_IMR0;
+	phba->sli4_hba.ISCRregaddr = phba->sli4_hba.ctrl_regs_memmap_p +
+				     LPFC_HST_ISCR0;
+	return;
+}
+
+/**
+ * lpfc_sli4_bar2_register_memmap - Set up SLI4 BAR2 register memory map.
+ * @phba: pointer to lpfc hba data structure.
+ * @vf: virtual function number
+ *
+ * This routine is invoked to set up SLI4 BAR2 doorbell register memory map
+ * based on the given viftual function number, @vf.
+ *
+ * Return 0 if successful, otherwise -ENODEV.
+ **/
+static int
+lpfc_sli4_bar2_register_memmap(struct lpfc_hba *phba, uint32_t vf)
+{
+	if (vf > LPFC_VIR_FUNC_MAX)
+		return -ENODEV;
+
+	phba->sli4_hba.RQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_RQ_DOORBELL);
+	phba->sli4_hba.WQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_WQ_DOORBELL);
+	phba->sli4_hba.EQCQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_EQCQ_DOORBELL);
+	phba->sli4_hba.MQDBregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_MQ_DOORBELL);
+	phba->sli4_hba.BMBXregaddr = (phba->sli4_hba.drbl_regs_memmap_p +
+				vf * LPFC_VFR_PAGE_SIZE + LPFC_BMBX);
+	return 0;
+}
+
+/**
+ * lpfc_create_bootstrap_mbox - Create the bootstrap mailbox
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to create the bootstrap mailbox
+ * region consistent with the SLI-4 interface spec.  This
+ * routine allocates all memory necessary to communicate
+ * mailbox commands to the port and sets up all alignment
+ * needs.  No locks are expected to be held when calling
+ * this routine.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	ENOMEM - could not allocated memory.
+ **/
+static int
+lpfc_create_bootstrap_mbox(struct lpfc_hba *phba)
+{
+	uint32_t bmbx_size;
+	struct lpfc_dmabuf *dmabuf;
+	struct dma_address *dma_address;
+	uint32_t pa_addr;
+	uint64_t phys_addr;
+
+	dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!dmabuf)
+		return -ENOMEM;
+
+	/*
+	 * The bootstrap mailbox region is comprised of 2 parts
+	 * plus an alignment restriction of 16 bytes.
+	 */
+	bmbx_size = sizeof(struct lpfc_bmbx_create) + (LPFC_ALIGN_16_BYTE - 1);
+	dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
+					  bmbx_size,
+					  &dmabuf->phys,
+					  GFP_KERNEL);
+	if (!dmabuf->virt) {
+		kfree(dmabuf);
+		return -ENOMEM;
+	}
+	memset(dmabuf->virt, 0, bmbx_size);
+
+	/*
+	 * Initialize the bootstrap mailbox pointers now so that the register
+	 * operations are simple later.  The mailbox dma address is required
+	 * to be 16-byte aligned.  Also align the virtual memory as each
+	 * maibox is copied into the bmbx mailbox region before issuing the
+	 * command to the port.
+	 */
+	phba->sli4_hba.bmbx.dmabuf = dmabuf;
+	phba->sli4_hba.bmbx.bmbx_size = bmbx_size;
+
+	phba->sli4_hba.bmbx.avirt = PTR_ALIGN(dmabuf->virt,
+					      LPFC_ALIGN_16_BYTE);
+	phba->sli4_hba.bmbx.aphys = ALIGN(dmabuf->phys,
+					      LPFC_ALIGN_16_BYTE);
+
+	/*
+	 * Set the high and low physical addresses now.  The SLI4 alignment
+	 * requirement is 16 bytes and the mailbox is posted to the port
+	 * as two 30-bit addresses.  The other data is a bit marking whether
+	 * the 30-bit address is the high or low address.
+	 * Upcast bmbx aphys to 64bits so shift instruction compiles
+	 * clean on 32 bit machines.
+	 */
+	dma_address = &phba->sli4_hba.bmbx.dma_address;
+	phys_addr = (uint64_t)phba->sli4_hba.bmbx.aphys;
+	pa_addr = (uint32_t) ((phys_addr >> 34) & 0x3fffffff);
+	dma_address->addr_hi = (uint32_t) ((pa_addr << 2) |
+					   LPFC_BMBX_BIT1_ADDR_HI);
+
+	pa_addr = (uint32_t) ((phba->sli4_hba.bmbx.aphys >> 4) & 0x3fffffff);
+	dma_address->addr_lo = (uint32_t) ((pa_addr << 2) |
+					   LPFC_BMBX_BIT1_ADDR_LO);
+	return 0;
+}
+
+/**
+ * lpfc_destroy_bootstrap_mbox - Destroy all bootstrap mailbox resources
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to teardown the bootstrap mailbox
+ * region and release all host resources. This routine requires
+ * the caller to ensure all mailbox commands recovered, no
+ * additional mailbox comands are sent, and interrupts are disabled
+ * before calling this routine.
+ *
+ **/
+static void
+lpfc_destroy_bootstrap_mbox(struct lpfc_hba *phba)
+{
+	dma_free_coherent(&phba->pcidev->dev,
+			  phba->sli4_hba.bmbx.bmbx_size,
+			  phba->sli4_hba.bmbx.dmabuf->virt,
+			  phba->sli4_hba.bmbx.dmabuf->phys);
+
+	kfree(phba->sli4_hba.bmbx.dmabuf);
+	memset(&phba->sli4_hba.bmbx, 0, sizeof(struct lpfc_bmbx));
+}
+
+/**
+ * lpfc_sli4_read_config - Get the config parameters.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to read the configuration parameters from the HBA.
+ * The configuration parameters are used to set the base and maximum values
+ * for RPI's XRI's VPI's VFI's and FCFIs. These values also affect the resource
+ * allocation for the port.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+static int
+lpfc_sli4_read_config(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *pmb;
+	struct lpfc_mbx_read_config *rd_config;
+	uint32_t rc = 0;
+
+	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2011 Unable to allocate memory for issuing "
+				"SLI_CONFIG_SPECIAL mailbox command\n");
+		return -ENOMEM;
+	}
+
+	lpfc_read_config(phba, pmb);
+
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+			"2012 Mailbox failed , mbxCmd x%x "
+			"READ_CONFIG, mbxStatus x%x\n",
+			bf_get(lpfc_mqe_command, &pmb->u.mqe),
+			bf_get(lpfc_mqe_status, &pmb->u.mqe));
+		rc = -EIO;
+	} else {
+		rd_config = &pmb->u.mqe.un.rd_config;
+		phba->sli4_hba.max_cfg_param.max_xri =
+			bf_get(lpfc_mbx_rd_conf_xri_count, rd_config);
+		phba->sli4_hba.max_cfg_param.xri_base =
+			bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_vpi =
+			bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.vpi_base =
+			bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_rpi =
+			bf_get(lpfc_mbx_rd_conf_rpi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.rpi_base =
+			bf_get(lpfc_mbx_rd_conf_rpi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_vfi =
+			bf_get(lpfc_mbx_rd_conf_vfi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.vfi_base =
+			bf_get(lpfc_mbx_rd_conf_vfi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_fcfi =
+			bf_get(lpfc_mbx_rd_conf_fcfi_count, rd_config);
+		phba->sli4_hba.max_cfg_param.fcfi_base =
+			bf_get(lpfc_mbx_rd_conf_fcfi_base, rd_config);
+		phba->sli4_hba.max_cfg_param.max_eq =
+			bf_get(lpfc_mbx_rd_conf_eq_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_rq =
+			bf_get(lpfc_mbx_rd_conf_rq_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_wq =
+			bf_get(lpfc_mbx_rd_conf_wq_count, rd_config);
+		phba->sli4_hba.max_cfg_param.max_cq =
+			bf_get(lpfc_mbx_rd_conf_cq_count, rd_config);
+		phba->lmt = bf_get(lpfc_mbx_rd_conf_lmt, rd_config);
+		phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base;
+		phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
+		phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
+		phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
+		phba->max_vpi = phba->sli4_hba.max_cfg_param.max_vpi;
+		phba->max_vports = phba->max_vpi;
+		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+				"2003 cfg params XRI(B:%d M:%d), "
+				"VPI(B:%d M:%d) "
+				"VFI(B:%d M:%d) "
+				"RPI(B:%d M:%d) "
+				"FCFI(B:%d M:%d)\n",
+				phba->sli4_hba.max_cfg_param.xri_base,
+				phba->sli4_hba.max_cfg_param.max_xri,
+				phba->sli4_hba.max_cfg_param.vpi_base,
+				phba->sli4_hba.max_cfg_param.max_vpi,
+				phba->sli4_hba.max_cfg_param.vfi_base,
+				phba->sli4_hba.max_cfg_param.max_vfi,
+				phba->sli4_hba.max_cfg_param.rpi_base,
+				phba->sli4_hba.max_cfg_param.max_rpi,
+				phba->sli4_hba.max_cfg_param.fcfi_base,
+				phba->sli4_hba.max_cfg_param.max_fcfi);
+	}
+	mempool_free(pmb, phba->mbox_mem_pool);
+
+	/* Reset the DFT_HBA_Q_DEPTH to the max xri  */
+	if (phba->cfg_hba_queue_depth > (phba->sli4_hba.max_cfg_param.max_xri))
+		phba->cfg_hba_queue_depth =
+				phba->sli4_hba.max_cfg_param.max_xri;
+	return rc;
+}
+
+/**
+ * lpfc_dev_endian_order_setup - Notify the port of the host's endian order.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to setup the host-side endian order to the
+ * HBA consistent with the SLI-4 interface spec.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+static int
+lpfc_setup_endian_order(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *mboxq;
+	uint32_t rc = 0;
+	uint32_t endian_mb_data[2] = {HOST_ENDIAN_LOW_WORD0,
+				      HOST_ENDIAN_HIGH_WORD1};
+
+	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0492 Unable to allocate memory for issuing "
+				"SLI_CONFIG_SPECIAL mailbox command\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * The SLI4_CONFIG_SPECIAL mailbox command requires the first two
+	 * words to contain special data values and no other data.
+	 */
+	memset(mboxq, 0, sizeof(LPFC_MBOXQ_t));
+	memcpy(&mboxq->u.mqe, &endian_mb_data, sizeof(endian_mb_data));
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0493 SLI_CONFIG_SPECIAL mailbox failed with "
+				"status x%x\n",
+				rc);
+		rc = -EIO;
+	}
+
+	mempool_free(mboxq, phba->mbox_mem_pool);
+	return rc;
+}
+
+/**
+ * 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.
+ **/
+static int
+lpfc_sli4_queue_create(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;
+
+	/*
+	 * Sanity check for confiugred queue parameters against the run-time
+	 * device parameters
+	 */
+
+	/* Sanity check on FCP fast-path WQ parameters */
+	cfg_fcp_wq_count = phba->cfg_fcp_wq_count;
+	if (cfg_fcp_wq_count >
+	    (phba->sli4_hba.max_cfg_param.max_wq - LPFC_SP_WQN_DEF)) {
+		cfg_fcp_wq_count = phba->sli4_hba.max_cfg_param.max_wq -
+				   LPFC_SP_WQN_DEF;
+		if (cfg_fcp_wq_count < LPFC_FP_WQN_MIN) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2581 Not enough WQs (%d) from "
+					"the pci function for supporting "
+					"FCP WQs (%d)\n",
+					phba->sli4_hba.max_cfg_param.max_wq,
+					phba->cfg_fcp_wq_count);
+			goto out_error;
+		}
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"2582 Not enough WQs (%d) from the pci "
+				"function for supporting the requested "
+				"FCP WQs (%d), the actual FCP WQs can "
+				"be supported: %d\n",
+				phba->sli4_hba.max_cfg_param.max_wq,
+				phba->cfg_fcp_wq_count, cfg_fcp_wq_count);
+	}
+	/* The actual number of FCP work queues adopted */
+	phba->cfg_fcp_wq_count = cfg_fcp_wq_count;
+
+	/* Sanity check on FCP fast-path EQ parameters */
+	cfg_fcp_eq_count = phba->cfg_fcp_eq_count;
+	if (cfg_fcp_eq_count >
+	    (phba->sli4_hba.max_cfg_param.max_eq - LPFC_SP_EQN_DEF)) {
+		cfg_fcp_eq_count = phba->sli4_hba.max_cfg_param.max_eq -
+				   LPFC_SP_EQN_DEF;
+		if (cfg_fcp_eq_count < LPFC_FP_EQN_MIN) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"2574 Not enough EQs (%d) from the "
+					"pci function for supporting FCP "
+					"EQs (%d)\n",
+					phba->sli4_hba.max_cfg_param.max_eq,
+					phba->cfg_fcp_eq_count);
+			goto out_error;
+		}
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"2575 Not enough EQs (%d) from the pci "
+				"function for supporting the requested "
+				"FCP EQs (%d), the actual FCP EQs can "
+				"be supported: %d\n",
+				phba->sli4_hba.max_cfg_param.max_eq,
+				phba->cfg_fcp_eq_count, cfg_fcp_eq_count);
+	}
+	/* It does not make sense to have more EQs than WQs */
+	if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"2593 The number of FCP EQs (%d) is more "
+				"than the number of FCP WQs (%d), take "
+				"the number of FCP EQs same as than of "
+				"WQs (%d)\n", cfg_fcp_eq_count,
+				phba->cfg_fcp_wq_count,
+				phba->cfg_fcp_wq_count);
+		cfg_fcp_eq_count = phba->cfg_fcp_wq_count;
+	}
+	/* The actual number of FCP event queues adopted */
+	phba->cfg_fcp_eq_count = cfg_fcp_eq_count;
+	/* 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;
+
+	/* Create slow path event queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
+				      phba->sli4_hba.eq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0496 Failed allocate slow-path EQ\n");
+		goto out_error;
+	}
+	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;
+	}
+	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.eq_esize,
+					      phba->sli4_hba.eq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0497 Failed allocate fast-path EQ\n");
+			goto out_free_fp_eq;
+		}
+		phba->sli4_hba.fp_eq[fcp_eqidx] = qdesc;
+	}
+
+	/*
+	 * 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);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0500 Failed allocate slow-path mailbox CQ\n");
+		goto out_free_fp_eq;
+	}
+	phba->sli4_hba.mbx_cq = qdesc;
+
+	/* Create slow-path ELS Complete Queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+				      phba->sli4_hba.cq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0501 Failed allocate slow-path ELS CQ\n");
+		goto out_free_mbx_cq;
+	}
+	phba->sli4_hba.els_cq = qdesc;
+
+	/* Create slow-path Unsolicited Receive Complete Queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+				      phba->sli4_hba.cq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0502 Failed allocate slow-path USOL RX CQ\n");
+		goto out_free_els_cq;
+	}
+	phba->sli4_hba.rxq_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);
+	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_rxq_cq;
+	}
+	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.cq_esize,
+					      phba->sli4_hba.cq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0499 Failed allocate fast-path FCP "
+					"CQ (%d)\n", fcp_cqidx);
+			goto out_free_fcp_cq;
+		}
+		phba->sli4_hba.fcp_cq[fcp_cqidx] = qdesc;
+	}
+
+	/* Create Mailbox Command Queue */
+	phba->sli4_hba.mq_esize = LPFC_MQE_SIZE;
+	phba->sli4_hba.mq_ecount = LPFC_MQE_DEF_COUNT;
+
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.mq_esize,
+				      phba->sli4_hba.mq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0505 Failed allocate slow-path MQ\n");
+		goto out_free_fcp_cq;
+	}
+	phba->sli4_hba.mbx_wq = qdesc;
+
+	/*
+	 * Create all the Work Queues (WQs)
+	 */
+	phba->sli4_hba.wq_esize = LPFC_WQE_SIZE;
+	phba->sli4_hba.wq_ecount = LPFC_WQE_DEF_COUNT;
+
+	/* Create slow-path ELS Work Queue */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
+				      phba->sli4_hba.wq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0504 Failed allocate slow-path ELS WQ\n");
+		goto out_free_mbx_wq;
+	}
+	phba->sli4_hba.els_wq = qdesc;
+
+	/* Create fast-path FCP Work Queue(s) */
+	phba->sli4_hba.fcp_wq = kzalloc((sizeof(struct lpfc_queue *) *
+				phba->cfg_fcp_wq_count), GFP_KERNEL);
+	if (!phba->sli4_hba.fcp_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2578 Failed allocate memory for fast-path "
+				"WQ record array\n");
+		goto out_free_els_wq;
+	}
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
+		qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.wq_esize,
+					      phba->sli4_hba.wq_ecount);
+		if (!qdesc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0503 Failed allocate fast-path FCP "
+					"WQ (%d)\n", fcp_wqidx);
+			goto out_free_fcp_wq;
+		}
+		phba->sli4_hba.fcp_wq[fcp_wqidx] = qdesc;
+	}
+
+	/*
+	 * Create Receive Queue (RQ)
+	 */
+	phba->sli4_hba.rq_esize = LPFC_RQE_SIZE;
+	phba->sli4_hba.rq_ecount = LPFC_RQE_DEF_COUNT;
+
+	/* Create Receive Queue for header */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
+				      phba->sli4_hba.rq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0506 Failed allocate receive HRQ\n");
+		goto out_free_fcp_wq;
+	}
+	phba->sli4_hba.hdr_rq = qdesc;
+
+	/* Create Receive Queue for data */
+	qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize,
+				      phba->sli4_hba.rq_ecount);
+	if (!qdesc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0507 Failed allocate receive DRQ\n");
+		goto out_free_hdr_rq;
+	}
+	phba->sli4_hba.dat_rq = qdesc;
+
+	return 0;
+
+out_free_hdr_rq:
+	lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
+	phba->sli4_hba.hdr_rq = NULL;
+out_free_fcp_wq:
+	for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--) {
+		lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_wqidx]);
+		phba->sli4_hba.fcp_wq[fcp_wqidx] = NULL;
+	}
+	kfree(phba->sli4_hba.fcp_wq);
+out_free_els_wq:
+	lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
+	phba->sli4_hba.els_wq = NULL;
+out_free_mbx_wq:
+	lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
+	phba->sli4_hba.mbx_wq = NULL;
+out_free_fcp_cq:
+	for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--) {
+		lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_cqidx]);
+		phba->sli4_hba.fcp_cq[fcp_cqidx] = NULL;
+	}
+	kfree(phba->sli4_hba.fcp_cq);
+out_free_rxq_cq:
+	lpfc_sli4_queue_free(phba->sli4_hba.rxq_cq);
+	phba->sli4_hba.rxq_cq = NULL;
+out_free_els_cq:
+	lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
+	phba->sli4_hba.els_cq = NULL;
+out_free_mbx_cq:
+	lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
+	phba->sli4_hba.mbx_cq = NULL;
+out_free_fp_eq:
+	for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--) {
+		lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_eqidx]);
+		phba->sli4_hba.fp_eq[fcp_eqidx] = NULL;
+	}
+	kfree(phba->sli4_hba.fp_eq);
+out_free_sp_eq:
+	lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
+	phba->sli4_hba.sp_eq = NULL;
+out_error:
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_queue_destroy - Destroy all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release all the SLI4 queues with the FCoE HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+static void
+lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
+{
+	int fcp_qidx;
+
+	/* Release mailbox command work queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.mbx_wq);
+	phba->sli4_hba.mbx_wq = NULL;
+
+	/* Release ELS work queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.els_wq);
+	phba->sli4_hba.els_wq = NULL;
+
+	/* Release FCP work queue */
+	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
+		lpfc_sli4_queue_free(phba->sli4_hba.fcp_wq[fcp_qidx]);
+	kfree(phba->sli4_hba.fcp_wq);
+	phba->sli4_hba.fcp_wq = NULL;
+
+	/* Release unsolicited receive queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.hdr_rq);
+	phba->sli4_hba.hdr_rq = NULL;
+	lpfc_sli4_queue_free(phba->sli4_hba.dat_rq);
+	phba->sli4_hba.dat_rq = NULL;
+
+	/* Release unsolicited receive complete queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.rxq_cq);
+	phba->sli4_hba.rxq_cq = NULL;
+
+	/* Release ELS complete queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.els_cq);
+	phba->sli4_hba.els_cq = NULL;
+
+	/* Release mailbox command complete queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.mbx_cq);
+	phba->sli4_hba.mbx_cq = NULL;
+
+	/* Release FCP response complete queue */
+	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
+		lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]);
+	kfree(phba->sli4_hba.fcp_cq);
+	phba->sli4_hba.fcp_cq = NULL;
+
+	/* Release fast-path event queue */
+	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
+		lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]);
+	kfree(phba->sli4_hba.fp_eq);
+	phba->sli4_hba.fp_eq = NULL;
+
+	/* Release slow-path event queue */
+	lpfc_sli4_queue_free(phba->sli4_hba.sp_eq);
+	phba->sli4_hba.sp_eq = NULL;
+
+	return;
+}
+
+/**
+ * lpfc_sli4_queue_setup - Set up all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up all the SLI4 queues for the FCoE HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_sli4_queue_setup(struct lpfc_hba *phba)
+{
+	int rc = -ENOMEM;
+	int fcp_eqidx, fcp_cqidx, fcp_wqidx;
+	int fcp_cq_index = 0;
+
+	/*
+	 * Set up Event Queues (EQs)
+	 */
+
+	/* Set up slow-path event queue */
+	if (!phba->sli4_hba.sp_eq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0520 Slow-path EQ not allocated\n");
+		goto out_error;
+	}
+	rc = lpfc_eq_create(phba, phba->sli4_hba.sp_eq,
+			    LPFC_SP_DEF_IMAX);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0521 Failed setup of slow-path EQ: "
+				"rc = 0x%x\n", rc);
+		goto out_error;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2583 Slow-path EQ setup: queue-id=%d\n",
+			phba->sli4_hba.sp_eq->queue_id);
+
+	/* Set up fast-path event queue */
+	for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) {
+		if (!phba->sli4_hba.fp_eq[fcp_eqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0522 Fast-path EQ (%d) not "
+					"allocated\n", fcp_eqidx);
+			goto out_destroy_fp_eq;
+		}
+		rc = lpfc_eq_create(phba, phba->sli4_hba.fp_eq[fcp_eqidx],
+				    phba->cfg_fcp_imax);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0523 Failed setup of fast-path EQ "
+					"(%d), rc = 0x%x\n", fcp_eqidx, rc);
+			goto out_destroy_fp_eq;
+		}
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2584 Fast-path EQ setup: "
+				"queue[%d]-id=%d\n", fcp_eqidx,
+				phba->sli4_hba.fp_eq[fcp_eqidx]->queue_id);
+	}
+
+	/*
+	 * Set up Complete Queues (CQs)
+	 */
+
+	/* Set up slow-path MBOX Complete Queue as the first CQ */
+	if (!phba->sli4_hba.mbx_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0528 Mailbox CQ not allocated\n");
+		goto out_destroy_fp_eq;
+	}
+	rc = lpfc_cq_create(phba, phba->sli4_hba.mbx_cq, phba->sli4_hba.sp_eq,
+			    LPFC_MCQ, LPFC_MBOX);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0529 Failed setup of slow-path mailbox CQ: "
+				"rc = 0x%x\n", rc);
+		goto out_destroy_fp_eq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2585 MBX CQ setup: cq-id=%d, parent eq-id=%d\n",
+			phba->sli4_hba.mbx_cq->queue_id,
+			phba->sli4_hba.sp_eq->queue_id);
+
+	/* Set up slow-path ELS Complete Queue */
+	if (!phba->sli4_hba.els_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0530 ELS CQ not allocated\n");
+		goto out_destroy_mbx_cq;
+	}
+	rc = lpfc_cq_create(phba, phba->sli4_hba.els_cq, phba->sli4_hba.sp_eq,
+			    LPFC_WCQ, LPFC_ELS);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0531 Failed setup of slow-path ELS CQ: "
+				"rc = 0x%x\n", rc);
+		goto out_destroy_mbx_cq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2586 ELS CQ setup: cq-id=%d, parent eq-id=%d\n",
+			phba->sli4_hba.els_cq->queue_id,
+			phba->sli4_hba.sp_eq->queue_id);
+
+	/* Set up slow-path Unsolicited Receive Complete Queue */
+	if (!phba->sli4_hba.rxq_cq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0532 USOL RX CQ not allocated\n");
+		goto out_destroy_els_cq;
+	}
+	rc = lpfc_cq_create(phba, phba->sli4_hba.rxq_cq, phba->sli4_hba.sp_eq,
+			    LPFC_RCQ, LPFC_USOL);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0533 Failed setup of slow-path USOL RX CQ: "
+				"rc = 0x%x\n", rc);
+		goto out_destroy_els_cq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2587 USL CQ setup: cq-id=%d, parent eq-id=%d\n",
+			phba->sli4_hba.rxq_cq->queue_id,
+			phba->sli4_hba.sp_eq->queue_id);
+
+	/* Set up fast-path FCP Response Complete Queue */
+	for (fcp_cqidx = 0; fcp_cqidx < phba->cfg_fcp_eq_count; fcp_cqidx++) {
+		if (!phba->sli4_hba.fcp_cq[fcp_cqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0526 Fast-path FCP CQ (%d) not "
+					"allocated\n", fcp_cqidx);
+			goto out_destroy_fcp_cq;
+		}
+		rc = lpfc_cq_create(phba, phba->sli4_hba.fcp_cq[fcp_cqidx],
+				    phba->sli4_hba.fp_eq[fcp_cqidx],
+				    LPFC_WCQ, LPFC_FCP);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0527 Failed setup of fast-path FCP "
+					"CQ (%d), rc = 0x%x\n", fcp_cqidx, rc);
+			goto out_destroy_fcp_cq;
+		}
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2588 FCP CQ setup: cq[%d]-id=%d, "
+				"parent eq[%d]-id=%d\n",
+				fcp_cqidx,
+				phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
+				fcp_cqidx,
+				phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id);
+	}
+
+	/*
+	 * Set up all the Work Queues (WQs)
+	 */
+
+	/* Set up Mailbox Command Queue */
+	if (!phba->sli4_hba.mbx_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0538 Slow-path MQ not allocated\n");
+		goto out_destroy_fcp_cq;
+	}
+	rc = lpfc_mq_create(phba, phba->sli4_hba.mbx_wq,
+			    phba->sli4_hba.mbx_cq, LPFC_MBOX);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0539 Failed setup of slow-path MQ: "
+				"rc = 0x%x\n", rc);
+		goto out_destroy_fcp_cq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2589 MBX MQ setup: wq-id=%d, parent cq-id=%d\n",
+			phba->sli4_hba.mbx_wq->queue_id,
+			phba->sli4_hba.mbx_cq->queue_id);
+
+	/* Set up slow-path ELS Work Queue */
+	if (!phba->sli4_hba.els_wq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0536 Slow-path ELS WQ not allocated\n");
+		goto out_destroy_mbx_wq;
+	}
+	rc = lpfc_wq_create(phba, phba->sli4_hba.els_wq,
+			    phba->sli4_hba.els_cq, LPFC_ELS);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0537 Failed setup of slow-path ELS WQ: "
+				"rc = 0x%x\n", rc);
+		goto out_destroy_mbx_wq;
+	}
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"2590 ELS WQ setup: wq-id=%d, parent cq-id=%d\n",
+			phba->sli4_hba.els_wq->queue_id,
+			phba->sli4_hba.els_cq->queue_id);
+
+	/* Set up fast-path FCP Work Queue */
+	for (fcp_wqidx = 0; fcp_wqidx < phba->cfg_fcp_wq_count; fcp_wqidx++) {
+		if (!phba->sli4_hba.fcp_wq[fcp_wqidx]) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0534 Fast-path FCP WQ (%d) not "
+					"allocated\n", fcp_wqidx);
+			goto out_destroy_fcp_wq;
+		}
+		rc = lpfc_wq_create(phba, phba->sli4_hba.fcp_wq[fcp_wqidx],
+				    phba->sli4_hba.fcp_cq[fcp_cq_index],
+				    LPFC_FCP);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0535 Failed setup of fast-path FCP "
+					"WQ (%d), rc = 0x%x\n", fcp_wqidx, rc);
+			goto out_destroy_fcp_wq;
+		}
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"2591 FCP WQ setup: wq[%d]-id=%d, "
+				"parent cq[%d]-id=%d\n",
+				fcp_wqidx,
+				phba->sli4_hba.fcp_wq[fcp_wqidx]->queue_id,
+				fcp_cq_index,
+				phba->sli4_hba.fcp_cq[fcp_cq_index]->queue_id);
+		/* Round robin FCP Work Queue's Completion Queue assignment */
+		fcp_cq_index = ((fcp_cq_index + 1) % phba->cfg_fcp_eq_count);
+	}
+
+	/*
+	 * Create Receive Queue (RQ)
+	 */
+	if (!phba->sli4_hba.hdr_rq || !phba->sli4_hba.dat_rq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0540 Receive Queue not allocated\n");
+		goto out_destroy_fcp_wq;
+	}
+	rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq,
+			    phba->sli4_hba.rxq_cq, LPFC_USOL);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0541 Failed setup of Receive Queue: "
+				"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",
+			phba->sli4_hba.hdr_rq->queue_id,
+			phba->sli4_hba.dat_rq->queue_id,
+			phba->sli4_hba.rxq_cq->queue_id);
+	return 0;
+
+out_destroy_fcp_wq:
+	for (--fcp_wqidx; fcp_wqidx >= 0; fcp_wqidx--)
+		lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_wqidx]);
+	lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
+out_destroy_mbx_wq:
+	lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
+out_destroy_fcp_cq:
+	for (--fcp_cqidx; fcp_cqidx >= 0; fcp_cqidx--)
+		lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_cqidx]);
+	lpfc_cq_destroy(phba, phba->sli4_hba.rxq_cq);
+out_destroy_els_cq:
+	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
+out_destroy_mbx_cq:
+	lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
+out_destroy_fp_eq:
+	for (--fcp_eqidx; fcp_eqidx >= 0; fcp_eqidx--)
+		lpfc_eq_destroy(phba, phba->sli4_hba.fp_eq[fcp_eqidx]);
+	lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
+out_error:
+	return rc;
+}
+
+/**
+ * lpfc_sli4_queue_unset - Unset all the SLI4 queues
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset all the SLI4 queues with the FCoE HBA
+ * operation.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+void
+lpfc_sli4_queue_unset(struct lpfc_hba *phba)
+{
+	int fcp_qidx;
+
+	/* Unset mailbox command work queue */
+	lpfc_mq_destroy(phba, phba->sli4_hba.mbx_wq);
+	/* Unset ELS work queue */
+	lpfc_wq_destroy(phba, phba->sli4_hba.els_wq);
+	/* Unset unsolicited receive queue */
+	lpfc_rq_destroy(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq);
+	/* Unset FCP work queue */
+	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_wq_count; fcp_qidx++)
+		lpfc_wq_destroy(phba, phba->sli4_hba.fcp_wq[fcp_qidx]);
+	/* Unset mailbox command complete queue */
+	lpfc_cq_destroy(phba, phba->sli4_hba.mbx_cq);
+	/* Unset ELS complete queue */
+	lpfc_cq_destroy(phba, phba->sli4_hba.els_cq);
+	/* Unset unsolicited receive complete queue */
+	lpfc_cq_destroy(phba, phba->sli4_hba.rxq_cq);
+	/* Unset FCP response complete queue */
+	for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
+		lpfc_cq_destroy(phba, phba->sli4_hba.fcp_cq[fcp_qidx]);
+	/* 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]);
+	/* Unset slow-path event queue */
+	lpfc_eq_destroy(phba, phba->sli4_hba.sp_eq);
+}
+
+/**
+ * lpfc_sli4_cq_event_pool_create - Create completion-queue event free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to allocate and set up a pool of completion queue
+ * events. The body of the completion queue event is a completion queue entry
+ * CQE. For now, this pool is used for the interrupt service routine to queue
+ * the following HBA completion queue events for the worker thread to process:
+ *   - Mailbox asynchronous events
+ *   - Receive queue completion unsolicited events
+ * Later, this can be used for all the slow-path events.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      -ENOMEM - No availble memory
+ **/
+static int
+lpfc_sli4_cq_event_pool_create(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event;
+	int i;
+
+	for (i = 0; i < (4 * phba->sli4_hba.cq_ecount); i++) {
+		cq_event = kmalloc(sizeof(struct lpfc_cq_event), GFP_KERNEL);
+		if (!cq_event)
+			goto out_pool_create_fail;
+		list_add_tail(&cq_event->list,
+			      &phba->sli4_hba.sp_cqe_event_pool);
+	}
+	return 0;
+
+out_pool_create_fail:
+	lpfc_sli4_cq_event_pool_destroy(phba);
+	return -ENOMEM;
+}
+
+/**
+ * lpfc_sli4_cq_event_pool_destroy - Free completion-queue event free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to free the pool of completion queue events at
+ * driver unload time. Note that, it is the responsibility of the driver
+ * cleanup routine to free all the outstanding completion-queue events
+ * allocated from this pool back into the pool before invoking this routine
+ * to destroy the pool.
+ **/
+static void
+lpfc_sli4_cq_event_pool_destroy(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event, *next_cq_event;
+
+	list_for_each_entry_safe(cq_event, next_cq_event,
+				 &phba->sli4_hba.sp_cqe_event_pool, list) {
+		list_del(&cq_event->list);
+		kfree(cq_event);
+	}
+}
+
+/**
+ * __lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is the lock free version of the API invoked to allocate a
+ * completion-queue event from the free pool.
+ *
+ * Return: Pointer to the newly allocated completion-queue event if successful
+ *         NULL otherwise.
+ **/
+struct lpfc_cq_event *
+__lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event = NULL;
+
+	list_remove_head(&phba->sli4_hba.sp_cqe_event_pool, cq_event,
+			 struct lpfc_cq_event, list);
+	return cq_event;
+}
+
+/**
+ * lpfc_sli4_cq_event_alloc - Allocate a completion-queue event from free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is the lock version of the API invoked to allocate a
+ * completion-queue event from the free pool.
+ *
+ * Return: Pointer to the newly allocated completion-queue event if successful
+ *         NULL otherwise.
+ **/
+struct lpfc_cq_event *
+lpfc_sli4_cq_event_alloc(struct lpfc_hba *phba)
+{
+	struct lpfc_cq_event *cq_event;
+	unsigned long iflags;
+
+	spin_lock_irqsave(&phba->hbalock, iflags);
+	cq_event = __lpfc_sli4_cq_event_alloc(phba);
+	spin_unlock_irqrestore(&phba->hbalock, iflags);
+	return cq_event;
+}
+
+/**
+ * __lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
+ * @phba: pointer to lpfc hba data structure.
+ * @cq_event: pointer to the completion queue event to be freed.
+ *
+ * This routine is the lock free version of the API invoked to release a
+ * completion-queue event back into the free pool.
+ **/
+void
+__lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
+			     struct lpfc_cq_event *cq_event)
+{
+	list_add_tail(&cq_event->list, &phba->sli4_hba.sp_cqe_event_pool);
+}
+
+/**
+ * lpfc_sli4_cq_event_release - Release a completion-queue event to free pool
+ * @phba: pointer to lpfc hba data structure.
+ * @cq_event: pointer to the completion queue event to be freed.
+ *
+ * This routine is the lock version of the API invoked to release a
+ * completion-queue event back into the free pool.
+ **/
+void
+lpfc_sli4_cq_event_release(struct lpfc_hba *phba,
+			   struct lpfc_cq_event *cq_event)
+{
+	unsigned long iflags;
+	spin_lock_irqsave(&phba->hbalock, iflags);
+	__lpfc_sli4_cq_event_release(phba, cq_event);
+	spin_unlock_irqrestore(&phba->hbalock, iflags);
+}
+
+/**
+ * lpfc_sli4_cq_event_release_all - Release all cq events to the free pool
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to free all the pending completion-queue events to the
+ * back into the free pool for device reset.
+ **/
+static void
+lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba)
+{
+	LIST_HEAD(cqelist);
+	struct lpfc_cq_event *cqe;
+	unsigned long iflags;
+
+	/* Retrieve all the pending WCQEs from pending WCQE lists */
+	spin_lock_irqsave(&phba->hbalock, iflags);
+	/* Pending FCP XRI abort events */
+	list_splice_init(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
+			 &cqelist);
+	/* Pending ELS XRI abort events */
+	list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
+			 &cqelist);
+	/* Pending asynnc events */
+	list_splice_init(&phba->sli4_hba.sp_asynce_work_queue,
+			 &cqelist);
+	spin_unlock_irqrestore(&phba->hbalock, iflags);
+
+	while (!list_empty(&cqelist)) {
+		list_remove_head(&cqelist, cqe, struct lpfc_cq_event, list);
+		lpfc_sli4_cq_event_release(phba, cqe);
+	}
+}
+
+/**
+ * lpfc_pci_function_reset - Reset pci function.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to request a PCI function reset. It will destroys
+ * all resources assigned to the PCI function which originates this request.
+ *
+ * Return codes
+ *      0 - sucessful
+ *      ENOMEM - No availble memory
+ *      EIO - The mailbox failed to complete successfully.
+ **/
+int
+lpfc_pci_function_reset(struct lpfc_hba *phba)
+{
+	LPFC_MBOXQ_t *mboxq;
+	uint32_t rc = 0;
+	uint32_t shdr_status, shdr_add_status;
+	union lpfc_sli4_cfg_shdr *shdr;
+
+	mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0494 Unable to allocate memory for issuing "
+				"SLI_FUNCTION_RESET mailbox command\n");
+		return -ENOMEM;
+	}
+
+	/* Set up PCI function reset SLI4_CONFIG mailbox-ioctl command */
+	lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
+			 LPFC_MBOX_OPCODE_FUNCTION_RESET, 0,
+			 LPFC_SLI4_MBX_EMBED);
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+	shdr = (union lpfc_sli4_cfg_shdr *)
+		&mboxq->u.mqe.un.sli4_config.header.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 (rc != MBX_TIMEOUT)
+		mempool_free(mboxq, phba->mbox_mem_pool);
+	if (shdr_status || shdr_add_status || rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0495 SLI_FUNCTION_RESET mailbox failed with "
+				"status x%x add_status x%x, mbx status x%x\n",
+				shdr_status, shdr_add_status, rc);
+		rc = -ENXIO;
+	}
+	return rc;
+}
+
+/**
+ * lpfc_sli4_send_nop_mbox_cmds - Send sli-4 nop mailbox commands
+ * @phba: pointer to lpfc hba data structure.
+ * @cnt: number of nop mailbox commands to send.
+ *
+ * This routine is invoked to send a number @cnt of NOP mailbox command and
+ * wait for each command to complete.
+ *
+ * Return: the number of NOP mailbox command completed.
+ **/
+static int
+lpfc_sli4_send_nop_mbox_cmds(struct lpfc_hba *phba, uint32_t cnt)
+{
+	LPFC_MBOXQ_t *mboxq;
+	int length, cmdsent;
+	uint32_t mbox_tmo;
+	uint32_t rc = 0;
+	uint32_t shdr_status, shdr_add_status;
+	union lpfc_sli4_cfg_shdr *shdr;
+
+	if (cnt == 0) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"2518 Requested to send 0 NOP mailbox cmd\n");
+		return cnt;
+	}
+
+	mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2519 Unable to allocate memory for issuing "
+				"NOP mailbox command\n");
+		return 0;
+	}
+
+	/* Set up NOP SLI4_CONFIG mailbox-ioctl command */
+	length = (sizeof(struct lpfc_mbx_nop) -
+		  sizeof(struct lpfc_sli4_cfg_mhdr));
+	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
+			rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+		if (rc == MBX_TIMEOUT)
+			break;
+		/* Check return status */
+		shdr = (union lpfc_sli4_cfg_shdr *)
+			&mboxq->u.mqe.un.sli4_config.header.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_INIT,
+					"2520 NOP mailbox command failed "
+					"status x%x add_status x%x mbx "
+					"status x%x\n", shdr_status,
+					shdr_add_status, rc);
+			break;
+		}
+	}
+
+	if (rc != MBX_TIMEOUT)
+		mempool_free(mboxq, phba->mbox_mem_pool);
+
+	return cmdsent;
+}
+
+/**
+ * lpfc_sli4_fcfi_unreg - Unregister fcfi to device
+ * @phba: pointer to lpfc hba data structure.
+ * @fcfi: fcf index.
+ *
+ * This routine is invoked to unregister a FCFI from device.
+ **/
+void
+lpfc_sli4_fcfi_unreg(struct lpfc_hba *phba, uint16_t fcfi)
+{
+	LPFC_MBOXQ_t *mbox;
+	uint32_t mbox_tmo;
+	int rc;
+	unsigned long flags;
+
+	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+
+	if (!mbox)
+		return;
+
+	lpfc_unreg_fcfi(mbox, fcfi);
+
+	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);
+		rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
+	}
+	if (rc != MBX_TIMEOUT)
+		mempool_free(mbox, phba->mbox_mem_pool);
+	if (rc != MBX_SUCCESS)
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2517 Unregister FCFI command failed "
+				"status %d, mbxStatus x%x\n", rc,
+				bf_get(lpfc_mqe_status, &mbox->u.mqe));
+	else {
+		spin_lock_irqsave(&phba->hbalock, flags);
+		/* Mark the FCFI is no longer registered */
+		phba->fcf.fcf_flag &=
+			~(FCF_AVAILABLE | FCF_REGISTERED | FCF_DISCOVERED);
+		spin_unlock_irqrestore(&phba->hbalock, flags);
+	}
+}
+
+/**
+ * lpfc_sli4_pci_mem_setup - Setup SLI4 HBA PCI memory space.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to set up the PCI device memory space for device
+ * with SLI-4 interface spec.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	other values - error
+ **/
+static int
+lpfc_sli4_pci_mem_setup(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+	unsigned long bar0map_len, bar1map_len, bar2map_len;
+	int error = -ENODEV;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		return error;
+	else
+		pdev = phba->pcidev;
+
+	/* Set the device DMA mask size */
+	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
+		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)
+			return error;
+
+	/* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
+	 * number of bytes required by each mapping. They are actually
+	 * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
+	 */
+	phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0);
+	bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0);
+
+	phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1);
+	bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1);
+
+	phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2);
+	bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2);
+
+	/* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
+	phba->sli4_hba.conf_regs_memmap_p =
+				ioremap(phba->pci_bar0_map, bar0map_len);
+	if (!phba->sli4_hba.conf_regs_memmap_p) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for SLI4 PCI config registers.\n");
+		goto out;
+	}
+
+	/* Map SLI4 HBA Control Register base to a kernel virtual address. */
+	phba->sli4_hba.ctrl_regs_memmap_p =
+				ioremap(phba->pci_bar1_map, bar1map_len);
+	if (!phba->sli4_hba.ctrl_regs_memmap_p) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for SLI4 HBA control registers.\n");
+		goto out_iounmap_conf;
+	}
+
+	/* Map SLI4 HBA Doorbell Register base to a kernel virtual address. */
+	phba->sli4_hba.drbl_regs_memmap_p =
+				ioremap(phba->pci_bar2_map, bar2map_len);
+	if (!phba->sli4_hba.drbl_regs_memmap_p) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "ioremap failed for SLI4 HBA doorbell registers.\n");
+		goto out_iounmap_ctrl;
+	}
+
+	/* Set up BAR0 PCI config space register memory map */
+	lpfc_sli4_bar0_register_memmap(phba);
+
+	/* Set up BAR1 register memory map */
+	lpfc_sli4_bar1_register_memmap(phba);
+
+	/* Set up BAR2 register memory map */
+	error = lpfc_sli4_bar2_register_memmap(phba, LPFC_VF0);
+	if (error)
+		goto out_iounmap_all;
+
+	return 0;
+
+out_iounmap_all:
+	iounmap(phba->sli4_hba.drbl_regs_memmap_p);
+out_iounmap_ctrl:
+	iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
+out_iounmap_conf:
+	iounmap(phba->sli4_hba.conf_regs_memmap_p);
+out:
+	return error;
+}
+
+/**
+ * lpfc_sli4_pci_mem_unset - Unset SLI4 HBA PCI memory space.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the PCI device memory space for device
+ * with SLI-4 interface spec.
+ **/
+static void
+lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
+{
+	struct pci_dev *pdev;
+
+	/* Obtain PCI device reference */
+	if (!phba->pcidev)
+		return;
+	else
+		pdev = phba->pcidev;
+
+	/* Free coherent DMA memory allocated */
+
+	/* Unmap I/O memory space */
+	iounmap(phba->sli4_hba.drbl_regs_memmap_p);
+	iounmap(phba->sli4_hba.ctrl_regs_memmap_p);
+	iounmap(phba->sli4_hba.conf_regs_memmap_p);
+
+	return;
+}
+
+/**
  * lpfc_sli_enable_msix - Enable MSI-X interrupt mode on SLI-3 device
  * @phba: pointer to lpfc hba data structure.
  *
@@ -3597,6 +6271,276 @@ lpfc_sli_disable_intr(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_enable_msix - Enable MSI-X interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI-X interrupt vectors to device
+ * with SLI-4 interface spec. The kernel function pci_enable_msix() is called
+ * to enable the MSI-X vectors. Note that pci_enable_msix(), once invoked,
+ * enables either all or nothing, depending on the current availability of
+ * PCI vector resources. The device driver is responsible for calling the
+ * individual request_irq() to register each MSI-X vector with a interrupt
+ * handler, which is done in this function. Note that later when device is
+ * unloading, the driver should always call free_irq() on all MSI-X vectors
+ * it has done request_irq() on before calling pci_disable_msix(). Failure
+ * to do so results in a BUG_ON() and a device will be left with MSI-X
+ * enabled and leaks its vectors.
+ *
+ * Return codes
+ * 0 - sucessful
+ * other values - error
+ **/
+static int
+lpfc_sli4_enable_msix(struct lpfc_hba *phba)
+{
+	int rc, index;
+
+	/* Set up MSI-X multi-message vectors */
+	for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
+		phba->sli4_hba.msix_entries[index].entry = index;
+
+	/* Configure MSI-X capability structure */
+	rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
+			     phba->sli4_hba.cfg_eqn);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0484 PCI enable MSI-X failed (%d)\n", rc);
+		goto msi_fail_out;
+	}
+	/* Log MSI-X vector assignment */
+	for (index = 0; index < phba->sli4_hba.cfg_eqn; index++)
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0489 MSI-X entry[%d]: vector=x%x "
+				"message=%d\n", index,
+				phba->sli4_hba.msix_entries[index].vector,
+				phba->sli4_hba.msix_entries[index].entry);
+	/*
+	 * Assign MSI-X vectors to interrupt handlers
+	 */
+
+	/* The first vector must associated to slow-path handler for MQ */
+	rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
+			 &lpfc_sli4_sp_intr_handler, IRQF_SHARED,
+			 LPFC_SP_DRIVER_HANDLER_NAME, phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"0485 MSI-X slow-path request_irq failed "
+				"(%d)\n", rc);
+		goto msi_fail_out;
+	}
+
+	/* The rest of the vector(s) are associated to fast-path handler(s) */
+	for (index = 1; index < phba->sli4_hba.cfg_eqn; index++) {
+		phba->sli4_hba.fcp_eq_hdl[index - 1].idx = index - 1;
+		phba->sli4_hba.fcp_eq_hdl[index - 1].phba = phba;
+		rc = request_irq(phba->sli4_hba.msix_entries[index].vector,
+				 &lpfc_sli4_fp_intr_handler, IRQF_SHARED,
+				 LPFC_FP_DRIVER_HANDLER_NAME,
+				 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+					"0486 MSI-X fast-path (%d) "
+					"request_irq failed (%d)\n", index, rc);
+			goto cfg_fail_out;
+		}
+	}
+
+	return rc;
+
+cfg_fail_out:
+	/* free the irq already requested */
+	for (--index; index >= 1; index--)
+		free_irq(phba->sli4_hba.msix_entries[index - 1].vector,
+			 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
+
+	/* free the irq already requested */
+	free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
+
+msi_fail_out:
+	/* Unconfigure MSI-X capability structure */
+	pci_disable_msix(phba->pcidev);
+	return rc;
+}
+
+/**
+ * lpfc_sli4_disable_msix - Disable MSI-X interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release the MSI-X vectors and then disable the
+ * MSI-X interrupt mode to device with SLI-4 interface spec.
+ **/
+static void
+lpfc_sli4_disable_msix(struct lpfc_hba *phba)
+{
+	int index;
+
+	/* Free up MSI-X multi-message vectors */
+	free_irq(phba->sli4_hba.msix_entries[0].vector, phba);
+
+	for (index = 1; index < phba->sli4_hba.cfg_eqn; index++)
+		free_irq(phba->sli4_hba.msix_entries[index].vector,
+			 &phba->sli4_hba.fcp_eq_hdl[index - 1]);
+	/* Disable MSI-X */
+	pci_disable_msix(phba->pcidev);
+
+	return;
+}
+
+/**
+ * lpfc_sli4_enable_msi - Enable MSI interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI interrupt mode to device with
+ * SLI-4 interface spec. The kernel function pci_enable_msi() is called
+ * to enable the MSI vector. The device driver is responsible for calling
+ * the request_irq() to register MSI vector with a interrupt the handler,
+ * which is done in this function.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	other values - error
+ **/
+static int
+lpfc_sli4_enable_msi(struct lpfc_hba *phba)
+{
+	int rc, index;
+
+	rc = pci_enable_msi(phba->pcidev);
+	if (!rc)
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0487 PCI enable MSI mode success.\n");
+	else {
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0488 PCI enable MSI mode failed (%d)\n", rc);
+		return rc;
+	}
+
+	rc = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
+			 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+	if (rc) {
+		pci_disable_msi(phba->pcidev);
+		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+				"0490 MSI request_irq failed (%d)\n", rc);
+	}
+
+	for (index = 0; index < phba->cfg_fcp_eq_count; index++) {
+		phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+		phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+	}
+
+	return rc;
+}
+
+/**
+ * lpfc_sli4_disable_msi - Disable MSI interrupt mode to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable the MSI interrupt mode to device with
+ * SLI-4 interface spec. The driver calls free_irq() on MSI vector it has
+ * done request_irq() on before calling pci_disable_msi(). Failure to do so
+ * results in a BUG_ON() and a device will be left with MSI enabled and leaks
+ * its vector.
+ **/
+static void
+lpfc_sli4_disable_msi(struct lpfc_hba *phba)
+{
+	free_irq(phba->pcidev->irq, phba);
+	pci_disable_msi(phba->pcidev);
+	return;
+}
+
+/**
+ * lpfc_sli4_enable_intr - Enable device interrupt to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable device interrupt and associate driver's
+ * interrupt handler(s) to interrupt vector(s) to device with SLI-4
+ * interface spec. Depends on the interrupt mode configured to the driver,
+ * the driver will try to fallback from the configured interrupt mode to an
+ * interrupt mode which is supported by the platform, kernel, and device in
+ * the order of:
+ * MSI-X -> MSI -> IRQ.
+ *
+ * Return codes
+ * 	0 - sucessful
+ * 	other values - error
+ **/
+static uint32_t
+lpfc_sli4_enable_intr(struct lpfc_hba *phba, uint32_t cfg_mode)
+{
+	uint32_t intr_mode = LPFC_INTR_ERROR;
+	int retval, index;
+
+	if (cfg_mode == 2) {
+		/* Preparation before conf_msi mbox cmd */
+		retval = 0;
+		if (!retval) {
+			/* Now, try to enable MSI-X interrupt mode */
+			retval = lpfc_sli4_enable_msix(phba);
+			if (!retval) {
+				/* Indicate initialization to MSI-X mode */
+				phba->intr_type = MSIX;
+				intr_mode = 2;
+			}
+		}
+	}
+
+	/* Fallback to MSI if MSI-X initialization failed */
+	if (cfg_mode >= 1 && phba->intr_type == NONE) {
+		retval = lpfc_sli4_enable_msi(phba);
+		if (!retval) {
+			/* Indicate initialization to MSI mode */
+			phba->intr_type = MSI;
+			intr_mode = 1;
+		}
+	}
+
+	/* Fallback to INTx if both MSI-X/MSI initalization failed */
+	if (phba->intr_type == NONE) {
+		retval = request_irq(phba->pcidev->irq, lpfc_sli4_intr_handler,
+				     IRQF_SHARED, LPFC_DRIVER_NAME, phba);
+		if (!retval) {
+			/* Indicate initialization to INTx mode */
+			phba->intr_type = INTx;
+			intr_mode = 0;
+			for (index = 0; index < phba->cfg_fcp_eq_count;
+			     index++) {
+				phba->sli4_hba.fcp_eq_hdl[index].idx = index;
+				phba->sli4_hba.fcp_eq_hdl[index].phba = phba;
+			}
+		}
+	}
+	return intr_mode;
+}
+
+/**
+ * lpfc_sli4_disable_intr - Disable device interrupt to SLI-4 device
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to disable device interrupt and disassociate
+ * the driver's interrupt handler(s) from interrupt vector(s) to device
+ * with SLI-4 interface spec. Depending on the interrupt mode, the driver
+ * will release the interrupt vector(s) for the message signaled interrupt.
+ **/
+static void
+lpfc_sli4_disable_intr(struct lpfc_hba *phba)
+{
+	/* Disable the currently initialized interrupt mode */
+	if (phba->intr_type == MSIX)
+		lpfc_sli4_disable_msix(phba);
+	else if (phba->intr_type == MSI)
+		lpfc_sli4_disable_msi(phba);
+	else if (phba->intr_type == INTx)
+		free_irq(phba->pcidev->irq, phba);
+
+	/* Reset interrupt management states */
+	phba->intr_type = NONE;
+	phba->sli.slistat.sli_intr = 0;
+
+	return;
+}
+
+/**
  * lpfc_unset_hba - Unset SLI3 hba device initialization
  * @phba: pointer to lpfc hba data structure.
  *
@@ -3627,6 +6571,90 @@ lpfc_unset_hba(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_unset_hba - Unset SLI4 hba device initialization.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to unset the HBA device initialization steps to
+ * a device with SLI-4 interface spec.
+ **/
+static void
+lpfc_sli4_unset_hba(struct lpfc_hba *phba)
+{
+	struct lpfc_vport *vport = phba->pport;
+	struct Scsi_Host  *shost = lpfc_shost_from_vport(vport);
+
+	spin_lock_irq(shost->host_lock);
+	vport->load_flag |= FC_UNLOADING;
+	spin_unlock_irq(shost->host_lock);
+
+	phba->pport->work_port_events = 0;
+
+	lpfc_sli4_hba_down(phba);
+
+	lpfc_sli4_disable_intr(phba);
+
+	return;
+}
+
+/**
+ * lpfc_sli4_hba_unset - Unset the fcoe hba
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called in the SLI4 code path to reset the HBA's FCoE
+ * function. The caller is not required to hold any lock. This routine
+ * issues PCI function reset mailbox command to reset the FCoE function.
+ * At the end of the function, it calls lpfc_hba_down_post function to
+ * free any pending commands.
+ **/
+static void
+lpfc_sli4_hba_unset(struct lpfc_hba *phba)
+{
+	int wait_cnt = 0;
+	LPFC_MBOXQ_t *mboxq;
+
+	lpfc_stop_hba_timers(phba);
+	phba->sli4_hba.intr_enable = 0;
+
+	/*
+	 * Gracefully wait out the potential current outstanding asynchronous
+	 * mailbox command.
+	 */
+
+	/* First, block any pending async mailbox command from posted */
+	spin_lock_irq(&phba->hbalock);
+	phba->sli.sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
+	spin_unlock_irq(&phba->hbalock);
+	/* Now, trying to wait it out if we can */
+	while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
+		msleep(10);
+		if (++wait_cnt > LPFC_ACTIVE_MBOX_WAIT_CNT)
+			break;
+	}
+	/* Forcefully release the outstanding mailbox command if timed out */
+	if (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) {
+		spin_lock_irq(&phba->hbalock);
+		mboxq = phba->sli.mbox_active;
+		mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
+		__lpfc_mbox_cmpl_put(phba, mboxq);
+		phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+		phba->sli.mbox_active = NULL;
+		spin_unlock_irq(&phba->hbalock);
+	}
+
+	/* Tear down the queues in the HBA */
+	lpfc_sli4_queue_unset(phba);
+
+	/* Disable PCI subsystem interrupt */
+	lpfc_sli4_disable_intr(phba);
+
+	/* Stop kthread signal shall trigger work_done one more time */
+	kthread_stop(phba->worker_thread);
+
+	/* Stop the SLI4 device port */
+	phba->pport->work_port_events = 0;
+}
+
+/**
  * lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
  * @pdev: pointer to PCI device
  * @pid: pointer to PCI device identifier
@@ -4127,6 +7155,446 @@ lpfc_io_resume_s3(struct pci_dev *pdev)
 }
 
 /**
+ * lpfc_sli4_get_els_iocb_cnt - Calculate the # of ELS IOCBs to reserve
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * returns the number of ELS/CT IOCBs to reserve
+ **/
+int
+lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
+{
+	int max_xri = phba->sli4_hba.max_cfg_param.max_xri;
+
+	if (max_xri <= 100)
+		return 4;
+	else if (max_xri <= 256)
+		return 8;
+	else if (max_xri <= 512)
+		return 16;
+	else if (max_xri <= 1024)
+		return 32;
+	else
+		return 48;
+}
+
+/**
+ * lpfc_pci_probe_one_s4 - PCI probe func to reg SLI-4 device to PCI subsys
+ * @pdev: pointer to PCI device
+ * @pid: pointer to PCI device identifier
+ *
+ * This routine is called from the kernel's PCI subsystem to device with
+ * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
+ * presented on PCI bus, the kernel PCI subsystem looks at PCI device-specific
+ * information of the device and driver to see if the driver state that it
+ * can support this kind of device. If the match is successful, the driver
+ * core invokes this routine. If this routine determines it can claim the HBA,
+ * it does all the initialization that it needs to do to handle the HBA
+ * properly.
+ *
+ * Return code
+ * 	0 - driver can claim the device
+ * 	negative value - driver can not claim the device
+ **/
+static int __devinit
+lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
+{
+	struct lpfc_hba   *phba;
+	struct lpfc_vport *vport = NULL;
+	int error;
+	uint32_t cfg_mode, intr_mode;
+	int mcnt;
+
+	/* Allocate memory for HBA structure */
+	phba = lpfc_hba_alloc(pdev);
+	if (!phba)
+		return -ENOMEM;
+
+	/* 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");
+		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);
+	if (error)
+		goto out_disable_pci_dev;
+
+	/* Set up SLI-4 specific device PCI memory space */
+	error = lpfc_sli4_pci_mem_setup(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1410 Failed to set up pci memory space.\n");
+		goto out_disable_pci_dev;
+	}
+
+	/* Set up phase-1 common device driver resources */
+	error = lpfc_setup_driver_resource_phase1(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1411 Failed to set up driver resource.\n");
+		goto out_unset_pci_mem_s4;
+	}
+
+	/* Set up SLI-4 Specific device driver resources */
+	error = lpfc_sli4_driver_resource_setup(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1412 Failed to set up driver resource.\n");
+		goto out_unset_pci_mem_s4;
+	}
+
+	/* Initialize and populate the iocb list per host */
+	error = lpfc_init_iocb_list(phba,
+			phba->sli4_hba.max_cfg_param.max_xri);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1413 Failed to initialize iocb list.\n");
+		goto out_unset_driver_resource_s4;
+	}
+
+	/* Set up common device driver resources */
+	error = lpfc_setup_driver_resource_phase2(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1414 Failed to set up driver resource.\n");
+		goto out_free_iocb_list;
+	}
+
+	/* Create SCSI host to the physical port */
+	error = lpfc_create_shost(phba);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1415 Failed to create scsi host.\n");
+		goto out_unset_driver_resource;
+	}
+
+	/* Configure sysfs attributes */
+	vport = phba->pport;
+	error = lpfc_alloc_sysfs_attr(vport);
+	if (error) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1416 Failed to allocate sysfs attr\n");
+		goto out_destroy_shost;
+	}
+
+	/* Now, trying to enable interrupt and bring up the device */
+	cfg_mode = phba->cfg_use_msi;
+	while (true) {
+		/* Put device to a known state before enabling interrupt */
+		lpfc_stop_port(phba);
+		/* Configure and enable interrupt */
+		intr_mode = lpfc_sli4_enable_intr(phba, cfg_mode);
+		if (intr_mode == LPFC_INTR_ERROR) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"0426 Failed to enable interrupt.\n");
+			error = -ENODEV;
+			goto out_free_sysfs_attr;
+		}
+		/* Set up SLI-4 HBA */
+		if (lpfc_sli4_hba_setup(phba)) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+					"1421 Failed to set up hba\n");
+			error = -ENODEV;
+			goto out_disable_intr;
+		}
+
+		/* Send NOP mbx cmds for non-INTx mode active interrupt test */
+		if (intr_mode != 0)
+			mcnt = lpfc_sli4_send_nop_mbox_cmds(phba,
+							    LPFC_ACT_INTR_CNT);
+
+		/* Check active interrupts received only for MSI/MSI-X */
+		if (intr_mode == 0 ||
+		    phba->sli.slistat.sli_intr >= LPFC_ACT_INTR_CNT) {
+			/* Log the current active interrupt mode */
+			phba->intr_mode = intr_mode;
+			lpfc_log_intr_mode(phba, intr_mode);
+			break;
+		}
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0451 Configure interrupt mode (%d) "
+				"failed active interrupt test.\n",
+				intr_mode);
+		/* Unset the preivous SLI-4 HBA setup */
+		lpfc_sli4_unset_hba(phba);
+		/* Try next level of interrupt mode */
+		cfg_mode = --intr_mode;
+	}
+
+	/* Perform post initialization setup */
+	lpfc_post_init_setup(phba);
+
+	return 0;
+
+out_disable_intr:
+	lpfc_sli4_disable_intr(phba);
+out_free_sysfs_attr:
+	lpfc_free_sysfs_attr(vport);
+out_destroy_shost:
+	lpfc_destroy_shost(phba);
+out_unset_driver_resource:
+	lpfc_unset_driver_resource_phase2(phba);
+out_free_iocb_list:
+	lpfc_free_iocb_list(phba);
+out_unset_driver_resource_s4:
+	lpfc_sli4_driver_resource_unset(phba);
+out_unset_pci_mem_s4:
+	lpfc_sli4_pci_mem_unset(phba);
+out_disable_pci_dev:
+	lpfc_disable_pci_dev(phba);
+out_free_phba:
+	lpfc_hba_free(phba);
+	return error;
+}
+
+/**
+ * lpfc_pci_remove_one_s4 - PCI func to unreg SLI-4 device from PCI subsystem
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the kernel's PCI subsystem to device with
+ * SLI-4 interface spec. When an Emulex HBA with SLI-4 interface spec is
+ * removed from PCI bus, it performs all the necessary cleanup for the HBA
+ * device to be removed from the PCI subsystem properly.
+ **/
+static void __devexit
+lpfc_pci_remove_one_s4(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_vport **vports;
+	struct lpfc_hba *phba = vport->phba;
+	int i;
+
+	/* Mark the device unloading flag */
+	spin_lock_irq(&phba->hbalock);
+	vport->load_flag |= FC_UNLOADING;
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Free the HBA sysfs attributes */
+	lpfc_free_sysfs_attr(vport);
+
+	/* Release all the vports against this physical port */
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 1; i <= phba->max_vports && vports[i] != NULL; i++)
+			fc_vport_terminate(vports[i]->fc_vport);
+	lpfc_destroy_vport_work_array(phba, vports);
+
+	/* Remove FC host and then SCSI host with the physical port */
+	fc_remove_host(shost);
+	scsi_remove_host(shost);
+
+	/* Perform cleanup on the physical port */
+	lpfc_cleanup(vport);
+
+	/*
+	 * Bring down the SLI Layer. This step disables all interrupts,
+	 * clears the rings, discards all mailbox commands, and resets
+	 * the HBA FCoE function.
+	 */
+	lpfc_debugfs_terminate(vport);
+	lpfc_sli4_hba_unset(phba);
+
+	spin_lock_irq(&phba->hbalock);
+	list_del_init(&vport->listentry);
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Call scsi_free before lpfc_sli4_driver_resource_unset since scsi
+	 * buffers are released to their corresponding pools here.
+	 */
+	lpfc_scsi_free(phba);
+	lpfc_sli4_driver_resource_unset(phba);
+
+	/* Unmap adapter Control and Doorbell registers */
+	lpfc_sli4_pci_mem_unset(phba);
+
+	/* Release PCI resources and disable device's PCI function */
+	scsi_host_put(shost);
+	lpfc_disable_pci_dev(phba);
+
+	/* Finally, free the driver's device data structure */
+	lpfc_hba_free(phba);
+
+	return;
+}
+
+/**
+ * lpfc_pci_suspend_one_s4 - PCI func to suspend SLI-4 device for power mgmnt
+ * @pdev: pointer to PCI device
+ * @msg: power management message
+ *
+ * This routine is called from the kernel's PCI subsystem to support system
+ * Power Management (PM) to device with SLI-4 interface spec. When PM invokes
+ * this method, it quiesces the device by stopping the driver's worker
+ * thread for the device, turning off device's interrupt and DMA, and bring
+ * the device offline. Note that as the driver implements the minimum PM
+ * requirements to a power-aware driver's PM support for suspend/resume -- all
+ * the possible PM messages (SUSPEND, HIBERNATE, FREEZE) to the suspend()
+ * method call will be treated as SUSPEND and the driver will fully
+ * reinitialize its device during resume() method call, the driver will set
+ * device to PCI_D3hot state in PCI config space instead of setting it
+ * according to the @msg provided by the PM.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_suspend_one_s4(struct pci_dev *pdev, pm_message_t msg)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0298 PCI device Power Management suspend.\n");
+
+	/* Bring down the device */
+	lpfc_offline_prep(phba);
+	lpfc_offline(phba);
+	kthread_stop(phba->worker_thread);
+
+	/* Disable interrupt from device */
+	lpfc_sli4_disable_intr(phba);
+
+	/* Save device state to PCI config space */
+	pci_save_state(pdev);
+	pci_set_power_state(pdev, PCI_D3hot);
+
+	return 0;
+}
+
+/**
+ * lpfc_pci_resume_one_s4 - PCI func to resume SLI-4 device for power mgmnt
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the kernel's PCI subsystem to support system
+ * Power Management (PM) to device with SLI-4 interface spac. When PM invokes
+ * this method, it restores the device's PCI config space state and fully
+ * reinitializes the device and brings it online. Note that as the driver
+ * implements the minimum PM requirements to a power-aware driver's PM for
+ * suspend/resume -- all the possible PM messages (SUSPEND, HIBERNATE, FREEZE)
+ * to the suspend() method call will be treated as SUSPEND and the driver
+ * will fully reinitialize its device during resume() method call, the device
+ * will be set to PCI_D0 directly in PCI config space before restoring the
+ * state.
+ *
+ * Return code
+ * 	0 - driver suspended the device
+ * 	Error otherwise
+ **/
+static int
+lpfc_pci_resume_one_s4(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost = pci_get_drvdata(pdev);
+	struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba;
+	uint32_t intr_mode;
+	int error;
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0292 PCI device Power Management resume.\n");
+
+	/* Restore device state from PCI config space */
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+	if (pdev->is_busmaster)
+		pci_set_master(pdev);
+
+	 /* Startup the kernel thread for this host adapter. */
+	phba->worker_thread = kthread_run(lpfc_do_work, phba,
+					"lpfc_worker_%d", phba->brd_no);
+	if (IS_ERR(phba->worker_thread)) {
+		error = PTR_ERR(phba->worker_thread);
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0293 PM resume failed to start worker "
+				"thread: error=x%x.\n", error);
+		return error;
+	}
+
+	/* Configure and enable interrupt */
+	intr_mode = lpfc_sli4_enable_intr(phba, phba->intr_mode);
+	if (intr_mode == LPFC_INTR_ERROR) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0294 PM resume Failed to enable interrupt\n");
+		return -EIO;
+	} else
+		phba->intr_mode = intr_mode;
+
+	/* Restart HBA and bring it online */
+	lpfc_sli_brdrestart(phba);
+	lpfc_online(phba);
+
+	/* Log the current active interrupt mode */
+	lpfc_log_intr_mode(phba, phba->intr_mode);
+
+	return 0;
+}
+
+/**
+ * lpfc_io_error_detected_s4 - Method for handling PCI I/O error to SLI-4 device
+ * @pdev: pointer to PCI device.
+ * @state: the current PCI connection state.
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-4 interface spec. This function is called by the PCI subsystem
+ * after a PCI bus error affecting this device has been detected. When this
+ * function is invoked, it will need to stop all the I/Os and interrupt(s)
+ * to the device. Once that is done, it will return PCI_ERS_RESULT_NEED_RESET
+ * for the PCI subsystem to perform proper recovery as desired.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ **/
+static pci_ers_result_t
+lpfc_io_error_detected_s4(struct pci_dev *pdev, pci_channel_state_t state)
+{
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * lpfc_io_slot_reset_s4 - Method for restart PCI SLI-4 device from scratch
+ * @pdev: pointer to PCI device.
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-4 interface spec. It is called after PCI bus has been reset to
+ * restart the PCI card from scratch, as if from a cold-boot. During the
+ * PCI subsystem error recovery, after the driver returns
+ * PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform proper error
+ * recovery and then call this routine before calling the .resume method to
+ * recover the device. This function will initialize the HBA device, enable
+ * the interrupt, but it will just put the HBA to offline state without
+ * passing any I/O traffic.
+ *
+ * Return codes
+ * 	PCI_ERS_RESULT_RECOVERED - the device has been recovered
+ * 	PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ */
+static pci_ers_result_t
+lpfc_io_slot_reset_s4(struct pci_dev *pdev)
+{
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * lpfc_io_resume_s4 - Method for resuming PCI I/O operation to SLI-4 device
+ * @pdev: pointer to PCI device
+ *
+ * This routine is called from the PCI subsystem for error handling to device
+ * with SLI-4 interface spec. It is called when kernel error recovery tells
+ * the lpfc driver that it is ok to resume normal PCI operation after PCI bus
+ * error recovery. After this call, traffic can start to flow from this device
+ * again.
+ **/
+static void
+lpfc_io_resume_s4(struct pci_dev *pdev)
+{
+	return;
+}
+
+/**
  * lpfc_pci_probe_one - lpfc PCI probe func to reg dev to PCI subsystem
  * @pdev: pointer to PCI device
  * @pid: pointer to PCI device identifier
@@ -4154,6 +7622,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		return -ENODEV;
 
 	switch (dev_id) {
+	case PCI_DEVICE_ID_TIGERSHARK:
+	case PCI_DEVICE_ID_TIGERSHARK_S:
+		rc = lpfc_pci_probe_one_s4(pdev, pid);
+		break;
 	default:
 		rc = lpfc_pci_probe_one_s3(pdev, pid);
 		break;
@@ -4181,6 +7653,9 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
 	case LPFC_PCI_DEV_LP:
 		lpfc_pci_remove_one_s3(pdev);
 		break;
+	case LPFC_PCI_DEV_OC:
+		lpfc_pci_remove_one_s4(pdev);
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1424 Invalid PCI device group: 0x%x\n",
@@ -4215,6 +7690,9 @@ lpfc_pci_suspend_one(struct pci_dev *pdev, pm_message_t msg)
 	case LPFC_PCI_DEV_LP:
 		rc = lpfc_pci_suspend_one_s3(pdev, msg);
 		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_pci_suspend_one_s4(pdev, msg);
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1425 Invalid PCI device group: 0x%x\n",
@@ -4248,6 +7726,9 @@ lpfc_pci_resume_one(struct pci_dev *pdev)
 	case LPFC_PCI_DEV_LP:
 		rc = lpfc_pci_resume_one_s3(pdev);
 		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_pci_resume_one_s4(pdev);
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1426 Invalid PCI device group: 0x%x\n",
@@ -4283,6 +7764,9 @@ lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 	case LPFC_PCI_DEV_LP:
 		rc = lpfc_io_error_detected_s3(pdev, state);
 		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_io_error_detected_s4(pdev, state);
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1427 Invalid PCI device group: 0x%x\n",
@@ -4317,6 +7801,9 @@ lpfc_io_slot_reset(struct pci_dev *pdev)
 	case LPFC_PCI_DEV_LP:
 		rc = lpfc_io_slot_reset_s3(pdev);
 		break;
+	case LPFC_PCI_DEV_OC:
+		rc = lpfc_io_slot_reset_s4(pdev);
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1428 Invalid PCI device group: 0x%x\n",
@@ -4346,6 +7833,9 @@ lpfc_io_resume(struct pci_dev *pdev)
 	case LPFC_PCI_DEV_LP:
 		lpfc_io_resume_s3(pdev);
 		break;
+	case LPFC_PCI_DEV_OC:
+		lpfc_io_resume_s4(pdev);
+		break;
 	default:
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"1429 Invalid PCI device group: 0x%x\n",