1 files changed, 464 insertions, 81 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 7dda036a1af3..148b98ddbb1d 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -30,6 +30,7 @@
 #include <linux/ctype.h>
 #include <linux/aer.h>
 #include <linux/slab.h>
+#include <linux/firmware.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
@@ -211,7 +212,6 @@ lpfc_config_port_prep(struct lpfc_hba *phba)
         lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
         if (!lpfc_vpd_data)
                 goto out_free_mbox;
-
         do {
                 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_VPD);
                 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
@@ -309,6 +309,45 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 }
 
 /**
+ * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname,
+ *      cfg_soft_wwnn, cfg_soft_wwpn
+ * @vport: pointer to lpfc vport data structure.
+ *
+ *
+ * Return codes
+ *   None.
+ **/
+void
+lpfc_update_vport_wwn(struct lpfc_vport *vport)
+{
+        /* If the soft name exists then update it using the service params */
+        if (vport->phba->cfg_soft_wwnn)
+                u64_to_wwn(vport->phba->cfg_soft_wwnn,
+                           vport->fc_sparam.nodeName.u.wwn);
+        if (vport->phba->cfg_soft_wwpn)
+                u64_to_wwn(vport->phba->cfg_soft_wwpn,
+                           vport->fc_sparam.portName.u.wwn);
+
+        /*
+         * If the name is empty or there exists a soft name
+         * then copy the service params name, otherwise use the fc name
+         */
+        if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn)
+                memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
+                        sizeof(struct lpfc_name));
+        else
+                memcpy(&vport->fc_sparam.nodeName, &vport->fc_nodename,
+                        sizeof(struct lpfc_name));
+
+        if (vport->fc_portname.u.wwn[0] == 0 || vport->phba->cfg_soft_wwpn)
+                memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
+                        sizeof(struct lpfc_name));
+        else
+                memcpy(&vport->fc_sparam.portName, &vport->fc_portname,
+                        sizeof(struct lpfc_name));
+}
+
+/**
  * lpfc_config_port_post - Perform lpfc initialization after config port
  * @phba: pointer to lpfc hba data structure.
  *
@@ -377,17 +416,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
         lpfc_mbuf_free(phba, mp->virt, mp->phys);
         kfree(mp);
         pmb->context1 = NULL;
-
-        if (phba->cfg_soft_wwnn)
-                u64_to_wwn(phba->cfg_soft_wwnn,
-                           vport->fc_sparam.nodeName.u.wwn);
-        if (phba->cfg_soft_wwpn)
-                u64_to_wwn(phba->cfg_soft_wwpn,
-                           vport->fc_sparam.portName.u.wwn);
-        memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName,
-               sizeof (struct lpfc_name));
-        memcpy(&vport->fc_portname, &vport->fc_sparam.portName,
-               sizeof (struct lpfc_name));
+        lpfc_update_vport_wwn(vport);
 
         /* Update the fc_host data structures with new wwn. */
         fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
@@ -573,7 +602,6 @@ lpfc_config_port_post(struct lpfc_hba *phba)
                         /* Clear all pending interrupts */
                         writel(0xffffffff, phba->HAregaddr);
                         readl(phba->HAregaddr); /* flush */
-
                         phba->link_state = LPFC_HBA_ERROR;
                         if (rc != MBX_BUSY)
                                 mempool_free(pmb, phba->mbox_mem_pool);
@@ -1755,7 +1783,9 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
                 && descp && descp[0] != '\0')
                 return;
 
-        if (phba->lmt & LMT_10Gb)
+        if (phba->lmt & LMT_16Gb)
+                max_speed = 16;
+        else if (phba->lmt & LMT_10Gb)
                 max_speed = 10;
         else if (phba->lmt & LMT_8Gb)
                 max_speed = 8;
@@ -1922,12 +1952,13 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
                                 "Fibre Channel Adapter"};
                 break;
         case PCI_DEVICE_ID_LANCER_FC:
-                oneConnect = 1;
-                m = (typeof(m)){"Undefined", "PCIe", "Fibre Channel Adapter"};
+        case PCI_DEVICE_ID_LANCER_FC_VF:
+                m = (typeof(m)){"LPe16000", "PCIe", "Fibre Channel Adapter"};
                 break;
         case PCI_DEVICE_ID_LANCER_FCOE:
+        case PCI_DEVICE_ID_LANCER_FCOE_VF:
                 oneConnect = 1;
-                m = (typeof(m)){"Undefined", "PCIe", "FCoE"};
+                m = (typeof(m)){"OCe50100", "PCIe", "FCoE"};
                 break;
         default:
                 m = (typeof(m)){"Unknown", "", ""};
@@ -1936,7 +1967,8 @@ 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);
-        /* oneConnect hba requires special processing, they are all initiators
+        /*
+         * oneConnect hba requires special processing, they are all initiators
          * and we put the port number on the end
          */
         if (descp && descp[0] == '\0') {
@@ -2656,6 +2688,7 @@ lpfc_scsi_free(struct lpfc_hba *phba)
                 kfree(io);
                 phba->total_iocbq_bufs--;
         }
+
         spin_unlock_irq(&phba->hbalock);
         return 0;
 }
@@ -3612,6 +3645,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba,
                 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
                         "2718 Clear Virtual Link Received for VPI 0x%x"
                         " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag);
+
                 vport = lpfc_find_vport_by_vpid(phba,
                                 acqe_fip->index - phba->vpi_base);
                 ndlp = lpfc_sli4_perform_vport_cvl(vport);
@@ -3935,6 +3969,10 @@ lpfc_enable_pci_dev(struct lpfc_hba *phba)
         pci_try_set_mwi(pdev);
         pci_save_state(pdev);
 
+        /* PCIe EEH recovery on powerpc platforms needs fundamental reset */
+        if (pci_find_capability(pdev, PCI_CAP_ID_EXP))
+                pdev->needs_freset = 1;
+
         return 0;
 
 out_disable_device:
@@ -3997,6 +4035,36 @@ lpfc_reset_hba(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli_probe_sriov_nr_virtfn - Enable a number of sr-iov virtual functions
+ * @phba: pointer to lpfc hba data structure.
+ * @nr_vfn: number of virtual functions to be enabled.
+ *
+ * This function enables the PCI SR-IOV virtual functions to a physical
+ * function. It invokes the PCI SR-IOV api with the @nr_vfn provided to
+ * enable the number of virtual functions to the physical function. As
+ * not all devices support SR-IOV, the return code from the pci_enable_sriov()
+ * API call does not considered as an error condition for most of the device.
+ **/
+int
+lpfc_sli_probe_sriov_nr_virtfn(struct lpfc_hba *phba, int nr_vfn)
+{
+        struct pci_dev *pdev = phba->pcidev;
+        int rc;
+
+        rc = pci_enable_sriov(pdev, nr_vfn);
+        if (rc) {
+                lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+                                "2806 Failed to enable sriov on this device "
+                                "with vfn number nr_vf:%d, rc:%d\n",
+                                nr_vfn, rc);
+        } else
+                lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+                                "2807 Successful enable sriov on this device "
+                                "with vfn number nr_vf:%d\n", nr_vfn);
+        return rc;
+}
+
+/**
  * lpfc_sli_driver_resource_setup - Setup driver internal resources for SLI3 dev.
  * @phba: pointer to lpfc hba data structure.
  *
@@ -4011,6 +4079,7 @@ static int
 lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
 {
         struct lpfc_sli *psli;
+        int rc;
 
         /*
          * Initialize timers used by driver
@@ -4085,6 +4154,23 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
         if (lpfc_mem_alloc(phba, BPL_ALIGN_SZ))
                 return -ENOMEM;
 
+        /*
+         * Enable sr-iov virtual functions if supported and configured
+         * through the module parameter.
+         */
+        if (phba->cfg_sriov_nr_virtfn > 0) {
+                rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
+                                                 phba->cfg_sriov_nr_virtfn);
+                if (rc) {
+                        lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+                                        "2808 Requested number of SR-IOV "
+                                        "virtual functions (%d) is not "
+                                        "supported\n",
+                                        phba->cfg_sriov_nr_virtfn);
+                        phba->cfg_sriov_nr_virtfn = 0;
+                }
+        }
+
         return 0;
 }
 
@@ -4161,6 +4247,14 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
         phba->fcf.redisc_wait.data = (unsigned long)phba;
 
         /*
+         * Control structure for handling external multi-buffer mailbox
+         * command pass-through.
+         */
+        memset((uint8_t *)&phba->mbox_ext_buf_ctx, 0,
+                sizeof(struct lpfc_mbox_ext_buf_ctx));
+        INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list);
+
+        /*
          * 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.
@@ -4233,7 +4327,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
         spin_lock_init(&phba->sli4_hba.abts_sgl_list_lock);
 
         /*
-         * Initialize dirver internal slow-path work queues
+         * Initialize driver internal slow-path work queues
          */
 
         /* Driver internel slow-path CQ Event pool */
@@ -4249,6 +4343,12 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
         /* Receive queue CQ Event work queue list */
         INIT_LIST_HEAD(&phba->sli4_hba.sp_unsol_work_queue);
 
+        /* Initialize extent block lists. */
+        INIT_LIST_HEAD(&phba->sli4_hba.lpfc_rpi_blk_list);
+        INIT_LIST_HEAD(&phba->sli4_hba.lpfc_xri_blk_list);
+        INIT_LIST_HEAD(&phba->sli4_hba.lpfc_vfi_blk_list);
+        INIT_LIST_HEAD(&phba->lpfc_vpi_blk_list);
+
         /* Initialize the driver internal SLI layer lists. */
         lpfc_sli_setup(phba);
         lpfc_sli_queue_setup(phba);
@@ -4323,9 +4423,19 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
         }
         /*
          * Get sli4 parameters that override parameters from Port capabilities.
-         * If this call fails it is not a critical error so continue loading.
+         * If this call fails, it isn't critical unless the SLI4 parameters come
+         * back in conflict.
          */
-        lpfc_get_sli4_parameters(phba, mboxq);
+        rc = lpfc_get_sli4_parameters(phba, mboxq);
+        if (rc) {
+                if (phba->sli4_hba.extents_in_use &&
+                    phba->sli4_hba.rpi_hdrs_in_use) {
+                        lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                "2999 Unsupported SLI4 Parameters "
+                                "Extents and RPI headers enabled.\n");
+                        goto out_free_bsmbx;
+                }
+        }
         mempool_free(mboxq, phba->mbox_mem_pool);
         /* Create all the SLI4 queues */
         rc = lpfc_sli4_queue_create(phba);
@@ -4350,7 +4460,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                                 "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,
@@ -4366,6 +4475,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                 "2759 Failed allocate memory for FCF round "
                                 "robin failover bmask\n");
+                rc = -ENOMEM;
                 goto out_remove_rpi_hdrs;
         }
 
@@ -4375,6 +4485,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                 "2572 Failed allocate memory for fast-path "
                                 "per-EQ handle array\n");
+                rc = -ENOMEM;
                 goto out_free_fcf_rr_bmask;
         }
 
@@ -4384,9 +4495,27 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                 "2573 Failed allocate memory for msi-x "
                                 "interrupt vector entries\n");
+                rc = -ENOMEM;
                 goto out_free_fcp_eq_hdl;
         }
 
+        /*
+         * Enable sr-iov virtual functions if supported and configured
+         * through the module parameter.
+         */
+        if (phba->cfg_sriov_nr_virtfn > 0) {
+                rc = lpfc_sli_probe_sriov_nr_virtfn(phba,
+                                                 phba->cfg_sriov_nr_virtfn);
+                if (rc) {
+                        lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
+                                        "3020 Requested number of SR-IOV "
+                                        "virtual functions (%d) is not "
+                                        "supported\n",
+                                        phba->cfg_sriov_nr_virtfn);
+                        phba->cfg_sriov_nr_virtfn = 0;
+                }
+        }
+
         return rc;
 
 out_free_fcp_eq_hdl:
@@ -4449,6 +4578,9 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
         lpfc_sli4_cq_event_release_all(phba);
         lpfc_sli4_cq_event_pool_destroy(phba);
 
+        /* Release resource identifiers. */
+        lpfc_sli4_dealloc_resource_identifiers(phba);
+
         /* Free the bsmbx region. */
         lpfc_destroy_bootstrap_mbox(phba);
 
@@ -4649,6 +4781,7 @@ lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count)
                                 "Unloading driver.\n", __func__);
                         goto out_free_iocbq;
                 }
+                iocbq_entry->sli4_lxritag = NO_XRI;
                 iocbq_entry->sli4_xritag = NO_XRI;
 
                 spin_lock_irq(&phba->hbalock);
@@ -4746,7 +4879,7 @@ lpfc_init_sgl_list(struct lpfc_hba *phba)
 
         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",
+                                "2400 ELS XRI count %d.\n",
                                 els_xri_cnt);
         /* Initialize and populate the sglq list per host/VF. */
         INIT_LIST_HEAD(&phba->sli4_hba.lpfc_sgl_list);
@@ -4779,7 +4912,6 @@ lpfc_init_sgl_list(struct lpfc_hba *phba)
         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);
@@ -4802,13 +4934,6 @@ lpfc_init_sgl_list(struct lpfc_hba *phba)
                         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) {
@@ -4857,24 +4982,20 @@ 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.
+         * If the SLI4 port supports extents, posting the rpi header isn't
+         * required.  Set the expected maximum count and let the actual value
+         * get set when extents are fully allocated.
          */
-        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;
+        if (!phba->sli4_hba.rpi_hdrs_in_use) {
+                phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
+                return rc;
+        }
+        if (phba->sli4_hba.extents_in_use)
+                return -EIO;
 
         rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
         if (!rpi_hdr) {
@@ -4908,11 +5029,28 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
         struct lpfc_rpi_hdr *rpi_hdr;
         uint32_t rpi_count;
 
+        /*
+         * If the SLI4 port supports extents, posting the rpi header isn't
+         * required.  Set the expected maximum count and let the actual value
+         * get set when extents are fully allocated.
+         */
+        if (!phba->sli4_hba.rpi_hdrs_in_use)
+                return NULL;
+        if (phba->sli4_hba.extents_in_use)
+                return NULL;
+
+        /* The limit on the logical index is just the max_rpi count. */
         rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base +
-                    phba->sli4_hba.max_cfg_param.max_rpi - 1;
+        phba->sli4_hba.max_cfg_param.max_rpi - 1;
 
         spin_lock_irq(&phba->hbalock);
-        curr_rpi_range = phba->sli4_hba.next_rpi;
+        /*
+         * Establish the starting RPI in this header block.  The starting
+         * rpi is normalized to a zero base because the physical rpi is
+         * port based.
+         */
+        curr_rpi_range = phba->sli4_hba.next_rpi -
+                phba->sli4_hba.max_cfg_param.rpi_base;
         spin_unlock_irq(&phba->hbalock);
 
         /*
@@ -4925,6 +5063,8 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
         else
                 rpi_count = LPFC_RPI_HDR_COUNT;
 
+        if (!rpi_count)
+                return NULL;
         /*
          * First allocate the protocol header region for the port.  The
          * port expects a 4KB DMA-mapped memory region that is 4K aligned.
@@ -4957,12 +5097,14 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
         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;
+
+        /* The rpi_hdr stores the logical index only. */
+        rpi_hdr->start_rpi = curr_rpi_range;
         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.
+         * The next_rpi stores the next logical module-64 rpi value used
+         * to post physical rpis in subsequent rpi postings.
          */
         phba->sli4_hba.next_rpi += rpi_count;
         spin_unlock_irq(&phba->hbalock);
@@ -4981,15 +5123,18 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba)
  * @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.
+ * to support rpis for SLI4 ports not supporting extents. 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;
 
+        if (!phba->sli4_hba.rpi_hdrs_in_use)
+                goto exit;
+
         list_for_each_entry_safe(rpi_hdr, next_rpi_hdr,
                                  &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
                 list_del(&rpi_hdr->list);
@@ -4998,9 +5143,9 @@ lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *phba)
                 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));
+ exit:
+        /* There are no rpis available to the port now. */
+        phba->sli4_hba.next_rpi = 0;
 }
 
 /**
@@ -5487,7 +5632,8 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba)
                         /* Final checks.  The port status should be clean. */
                         if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
                                 &reg_data.word0) ||
-                                bf_get(lpfc_sliport_status_err, &reg_data)) {
+                                (bf_get(lpfc_sliport_status_err, &reg_data) &&
+                                 !bf_get(lpfc_sliport_status_rn, &reg_data))) {
                                 phba->work_status[0] =
                                         readl(phba->sli4_hba.u.if_type2.
                                               ERR1regaddr);
@@ -5741,7 +5887,12 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
 {
         LPFC_MBOXQ_t *pmb;
         struct lpfc_mbx_read_config *rd_config;
-        uint32_t rc = 0;
+        union  lpfc_sli4_cfg_shdr *shdr;
+        uint32_t shdr_status, shdr_add_status;
+        struct lpfc_mbx_get_func_cfg *get_func_cfg;
+        struct lpfc_rsrc_desc_fcfcoe *desc;
+        uint32_t desc_count;
+        int length, i, rc = 0;
 
         pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
         if (!pmb) {
@@ -5763,6 +5914,8 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
                 rc = -EIO;
         } else {
                 rd_config = &pmb->u.mqe.un.rd_config;
+                phba->sli4_hba.extents_in_use =
+                        bf_get(lpfc_mbx_rd_conf_extnts_inuse, 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 =
@@ -5781,8 +5934,6 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
                         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 =
@@ -5800,11 +5951,13 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
                                 (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
                 phba->max_vports = phba->max_vpi;
                 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
-                                "2003 cfg params XRI(B:%d M:%d), "
+                                "2003 cfg params Extents? %d "
+                                "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",
+                                "FCFI(Count:%d)\n",
+                                phba->sli4_hba.extents_in_use,
                                 phba->sli4_hba.max_cfg_param.xri_base,
                                 phba->sli4_hba.max_cfg_param.max_xri,
                                 phba->sli4_hba.max_cfg_param.vpi_base,
@@ -5813,10 +5966,11 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
                                 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);
+
+        if (rc)
+                goto read_cfg_out;
 
         /* Reset the DFT_HBA_Q_DEPTH to the max xri  */
         if (phba->cfg_hba_queue_depth >
@@ -5825,6 +5979,65 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
                 phba->cfg_hba_queue_depth =
                         phba->sli4_hba.max_cfg_param.max_xri -
                                 lpfc_sli4_get_els_iocb_cnt(phba);
+
+        if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+            LPFC_SLI_INTF_IF_TYPE_2)
+                goto read_cfg_out;
+
+        /* get the pf# and vf# for SLI4 if_type 2 port */
+        length = (sizeof(struct lpfc_mbx_get_func_cfg) -
+                  sizeof(struct lpfc_sli4_cfg_mhdr));
+        lpfc_sli4_config(phba, pmb, LPFC_MBOX_SUBSYSTEM_COMMON,
+                         LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG,
+                         length, LPFC_SLI4_MBX_EMBED);
+
+        rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+        shdr = (union lpfc_sli4_cfg_shdr *)
+                                &pmb->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 || shdr_status || shdr_add_status) {
+                lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+                                "3026 Mailbox failed , mbxCmd x%x "
+                                "GET_FUNCTION_CONFIG, mbxStatus x%x\n",
+                                bf_get(lpfc_mqe_command, &pmb->u.mqe),
+                                bf_get(lpfc_mqe_status, &pmb->u.mqe));
+                rc = -EIO;
+                goto read_cfg_out;
+        }
+
+        /* search for fc_fcoe resrouce descriptor */
+        get_func_cfg = &pmb->u.mqe.un.get_func_cfg;
+        desc_count = get_func_cfg->func_cfg.rsrc_desc_count;
+
+        for (i = 0; i < LPFC_RSRC_DESC_MAX_NUM; i++) {
+                desc = (struct lpfc_rsrc_desc_fcfcoe *)
+                        &get_func_cfg->func_cfg.desc[i];
+                if (LPFC_RSRC_DESC_TYPE_FCFCOE ==
+                    bf_get(lpfc_rsrc_desc_pcie_type, desc)) {
+                        phba->sli4_hba.iov.pf_number =
+                                bf_get(lpfc_rsrc_desc_fcfcoe_pfnum, desc);
+                        phba->sli4_hba.iov.vf_number =
+                                bf_get(lpfc_rsrc_desc_fcfcoe_vfnum, desc);
+                        break;
+                }
+        }
+
+        if (i < LPFC_RSRC_DESC_MAX_NUM)
+                lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+                                "3027 GET_FUNCTION_CONFIG: pf_number:%d, "
+                                "vf_number:%d\n", phba->sli4_hba.iov.pf_number,
+                                phba->sli4_hba.iov.vf_number);
+        else {
+                lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+                                "3028 GET_FUNCTION_CONFIG: failed to find "
+                                "Resrouce Descriptor:x%x\n",
+                                LPFC_RSRC_DESC_TYPE_FCFCOE);
+                rc = -EIO;
+        }
+
+read_cfg_out:
+        mempool_free(pmb, phba->mbox_mem_pool);
         return rc;
 }
 
@@ -6229,8 +6442,10 @@ lpfc_sli4_queue_destroy(struct lpfc_hba *phba)
         phba->sli4_hba.mbx_cq = NULL;
 
         /* Release FCP response complete queue */
-        for (fcp_qidx = 0; fcp_qidx < phba->cfg_fcp_eq_count; fcp_qidx++)
+        fcp_qidx = 0;
+        do
                 lpfc_sli4_queue_free(phba->sli4_hba.fcp_cq[fcp_qidx]);
+        while (++fcp_qidx < phba->cfg_fcp_eq_count);
         kfree(phba->sli4_hba.fcp_cq);
         phba->sli4_hba.fcp_cq = NULL;
 
@@ -6353,16 +6568,24 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
                         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++) {
+        fcp_cqidx = 0;
+        do {
                 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 (phba->cfg_fcp_eq_count)
+                        rc = lpfc_cq_create(phba,
+                                            phba->sli4_hba.fcp_cq[fcp_cqidx],
+                                            phba->sli4_hba.fp_eq[fcp_cqidx],
+                                            LPFC_WCQ, LPFC_FCP);
+                else
+                        rc = lpfc_cq_create(phba,
+                                            phba->sli4_hba.fcp_cq[fcp_cqidx],
+                                            phba->sli4_hba.sp_eq,
+                                            LPFC_WCQ, LPFC_FCP);
                 if (rc) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                         "0527 Failed setup of fast-path FCP "
@@ -6371,12 +6594,15 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
                 }
                 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
                                 "2588 FCP CQ setup: cq[%d]-id=%d, "
-                                "parent eq[%d]-id=%d\n",
+                                "parent %seq[%d]-id=%d\n",
                                 fcp_cqidx,
                                 phba->sli4_hba.fcp_cq[fcp_cqidx]->queue_id,
+                                (phba->cfg_fcp_eq_count) ? "" : "sp_",
                                 fcp_cqidx,
-                                phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id);
-        }
+                                (phba->cfg_fcp_eq_count) ?
+                                   phba->sli4_hba.fp_eq[fcp_cqidx]->queue_id :
+                                   phba->sli4_hba.sp_eq->queue_id);
+        } while (++fcp_cqidx < phba->cfg_fcp_eq_count);
 
         /*
          * Set up all the Work Queues (WQs)
@@ -6445,7 +6671,9 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
                                 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);
+                if (phba->cfg_fcp_eq_count)
+                        fcp_cq_index = ((fcp_cq_index + 1) %
+                                        phba->cfg_fcp_eq_count);
         }
 
         /*
@@ -6827,6 +7055,8 @@ lpfc_pci_function_reset(struct lpfc_hba *phba)
                         if (rdy_chk < 1000)
                                 break;
                 }
+                /* delay driver action following IF_TYPE_2 function reset */
+                msleep(100);
                 break;
         case LPFC_SLI_INTF_IF_TYPE_1:
         default:
@@ -7419,11 +7649,15 @@ enable_msix_vectors:
         /*
          * 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 (vectors > 1)
+                rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
+                                 &lpfc_sli4_sp_intr_handler, IRQF_SHARED,
+                                 LPFC_SP_DRIVER_HANDLER_NAME, phba);
+        else
+                /* All Interrupts need to be handled by one EQ */
+                rc = request_irq(phba->sli4_hba.msix_entries[0].vector,
+                                 &lpfc_sli4_intr_handler, IRQF_SHARED,
+                                 LPFC_DRIVER_NAME, phba);
         if (rc) {
                 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
                                 "0485 MSI-X slow-path request_irq failed "
@@ -7765,6 +7999,7 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
 {
         int wait_cnt = 0;
         LPFC_MBOXQ_t *mboxq;
+        struct pci_dev *pdev = phba->pcidev;
 
         lpfc_stop_hba_timers(phba);
         phba->sli4_hba.intr_enable = 0;
@@ -7804,6 +8039,10 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
         /* Disable PCI subsystem interrupt */
         lpfc_sli4_disable_intr(phba);
 
+        /* Disable SR-IOV if enabled */
+        if (phba->cfg_sriov_nr_virtfn)
+                pci_disable_sriov(pdev);
+
         /* Stop kthread signal shall trigger work_done one more time */
         kthread_stop(phba->worker_thread);
 
@@ -7878,6 +8117,11 @@ lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
         sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
         sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
+
+        /* Make sure that sge_supp_len can be handled by the driver */
+        if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
+                sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
+
         return rc;
 }
 
@@ -7902,6 +8146,13 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         int length;
         struct lpfc_sli4_parameters *mbx_sli4_parameters;
 
+        /*
+         * By default, the driver assumes the SLI4 port requires RPI
+         * header postings.  The SLI4_PARAM response will correct this
+         * assumption.
+         */
+        phba->sli4_hba.rpi_hdrs_in_use = 1;
+
         /* Read the port's SLI4 Config Parameters */
         length = (sizeof(struct lpfc_mbx_get_sli4_parameters) -
                   sizeof(struct lpfc_sli4_cfg_mhdr));
@@ -7938,6 +8189,13 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                                             mbx_sli4_parameters);
         sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
                                            mbx_sli4_parameters);
+        phba->sli4_hba.extents_in_use = bf_get(cfg_ext, mbx_sli4_parameters);
+        phba->sli4_hba.rpi_hdrs_in_use = bf_get(cfg_hdrr, mbx_sli4_parameters);
+
+        /* Make sure that sge_supp_len can be handled by the driver */
+        if (sli4_params->sge_supp_len > LPFC_MAX_SGE_SIZE)
+                sli4_params->sge_supp_len = LPFC_MAX_SGE_SIZE;
+
         return 0;
 }
 
@@ -8173,6 +8431,10 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev)
 
         lpfc_debugfs_terminate(vport);
 
+        /* Disable SR-IOV if enabled */
+        if (phba->cfg_sriov_nr_virtfn)
+                pci_disable_sriov(pdev);
+
         /* Disable interrupt */
         lpfc_sli_disable_intr(phba);
 
@@ -8565,6 +8827,97 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_write_firmware - attempt to write a firmware image to the port
+ * @phba: pointer to lpfc hba data structure.
+ * @fw: pointer to firmware image returned from request_firmware.
+ *
+ * returns the number of bytes written if write is successful.
+ * returns a negative error value if there were errors.
+ * returns 0 if firmware matches currently active firmware on port.
+ **/
+int
+lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw)
+{
+        char fwrev[32];
+        struct lpfc_grp_hdr *image = (struct lpfc_grp_hdr *)fw->data;
+        struct list_head dma_buffer_list;
+        int i, rc = 0;
+        struct lpfc_dmabuf *dmabuf, *next;
+        uint32_t offset = 0, temp_offset = 0;
+
+        INIT_LIST_HEAD(&dma_buffer_list);
+        if ((image->magic_number != LPFC_GROUP_OJECT_MAGIC_NUM) ||
+            (bf_get(lpfc_grp_hdr_file_type, image) != LPFC_FILE_TYPE_GROUP) ||
+            (bf_get(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) ||
+            (image->size != fw->size)) {
+                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                "3022 Invalid FW image found. "
+                                "Magic:%d Type:%x ID:%x\n",
+                                image->magic_number,
+                                bf_get(lpfc_grp_hdr_file_type, image),
+                                bf_get(lpfc_grp_hdr_id, image));
+                return -EINVAL;
+        }
+        lpfc_decode_firmware_rev(phba, fwrev, 1);
+        if (strncmp(fwrev, image->rev_name, strnlen(fwrev, 16))) {
+                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                "3023 Updating Firmware. Current Version:%s "
+                                "New Version:%s\n",
+                                fwrev, image->rev_name);
+                for (i = 0; i < LPFC_MBX_WR_CONFIG_MAX_BDE; i++) {
+                        dmabuf = kzalloc(sizeof(struct lpfc_dmabuf),
+                                         GFP_KERNEL);
+                        if (!dmabuf) {
+                                rc = -ENOMEM;
+                                goto out;
+                        }
+                        dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
+                                                          SLI4_PAGE_SIZE,
+                                                          &dmabuf->phys,
+                                                          GFP_KERNEL);
+                        if (!dmabuf->virt) {
+                                kfree(dmabuf);
+                                rc = -ENOMEM;
+                                goto out;
+                        }
+                        list_add_tail(&dmabuf->list, &dma_buffer_list);
+                }
+                while (offset < fw->size) {
+                        temp_offset = offset;
+                        list_for_each_entry(dmabuf, &dma_buffer_list, list) {
+                                if (offset + SLI4_PAGE_SIZE > fw->size) {
+                                        temp_offset += fw->size - offset;
+                                        memcpy(dmabuf->virt,
+                                               fw->data + temp_offset,
+                                               fw->size - offset);
+                                        break;
+                                }
+                                temp_offset += SLI4_PAGE_SIZE;
+                                memcpy(dmabuf->virt, fw->data + temp_offset,
+                                       SLI4_PAGE_SIZE);
+                        }
+                        rc = lpfc_wr_object(phba, &dma_buffer_list,
+                                    (fw->size - offset), &offset);
+                        if (rc) {
+                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                                "3024 Firmware update failed. "
+                                                "%d\n", rc);
+                                goto out;
+                        }
+                }
+                rc = offset;
+        }
+out:
+        list_for_each_entry_safe(dmabuf, next, &dma_buffer_list, list) {
+                list_del(&dmabuf->list);
+                dma_free_coherent(&phba->pcidev->dev, SLI4_PAGE_SIZE,
+                                  dmabuf->virt, dmabuf->phys);
+                kfree(dmabuf);
+        }
+        return rc;
+}
+
+/**
  * 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
@@ -8591,6 +8944,10 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
         int error;
         uint32_t cfg_mode, intr_mode;
         int mcnt;
+        int adjusted_fcp_eq_count;
+        int fcp_qidx;
+        const struct firmware *fw;
+        uint8_t file_name[16];
 
         /* Allocate memory for HBA structure */
         phba = lpfc_hba_alloc(pdev);
@@ -8688,11 +9045,25 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
                         error = -ENODEV;
                         goto out_free_sysfs_attr;
                 }
-                /* Default to single FCP EQ for non-MSI-X */
+                /* Default to single EQ for non-MSI-X */
                 if (phba->intr_type != MSIX)
-                        phba->cfg_fcp_eq_count = 1;
-                else if (phba->sli4_hba.msix_vec_nr < phba->cfg_fcp_eq_count)
-                        phba->cfg_fcp_eq_count = phba->sli4_hba.msix_vec_nr - 1;
+                        adjusted_fcp_eq_count = 0;
+                else if (phba->sli4_hba.msix_vec_nr <
+                                        phba->cfg_fcp_eq_count + 1)
+                        adjusted_fcp_eq_count = phba->sli4_hba.msix_vec_nr - 1;
+                else
+                        adjusted_fcp_eq_count = phba->cfg_fcp_eq_count;
+                /* Free unused EQs */
+                for (fcp_qidx = adjusted_fcp_eq_count;
+                     fcp_qidx < phba->cfg_fcp_eq_count;
+                     fcp_qidx++) {
+                        lpfc_sli4_queue_free(phba->sli4_hba.fp_eq[fcp_qidx]);
+                        /* do not delete the first fcp_cq */
+                        if (fcp_qidx)
+                                lpfc_sli4_queue_free(
+                                        phba->sli4_hba.fcp_cq[fcp_qidx]);
+                }
+                phba->cfg_fcp_eq_count = adjusted_fcp_eq_count;
                 /* Set up SLI-4 HBA */
                 if (lpfc_sli4_hba_setup(phba)) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -8731,6 +9102,14 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
         /* Perform post initialization setup */
         lpfc_post_init_setup(phba);
 
+        /* check for firmware upgrade or downgrade */
+        snprintf(file_name, 16, "%s.grp", phba->ModelName);
+        error = request_firmware(&fw, file_name, &phba->pcidev->dev);
+        if (!error) {
+                lpfc_write_firmware(phba, fw);
+                release_firmware(fw);
+        }
+
         /* Check if there are static vports to be created. */
         lpfc_create_static_vport(phba);
 
@@ -9498,6 +9877,10 @@ static struct pci_device_id lpfc_id_table[] = {
                 PCI_ANY_ID, PCI_ANY_ID, },
         {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE,
                 PCI_ANY_ID, PCI_ANY_ID, },
+        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FC_VF,
+                PCI_ANY_ID, PCI_ANY_ID, },
+        {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_LANCER_FCOE_VF,
+                PCI_ANY_ID, PCI_ANY_ID, },
         { 0 }
 };