Merge branch 'master' into for-next

Conflicts:
	MAINTAINERS
	arch/arm/mach-omap2/pm24xx.c
	drivers/scsi/bfa/bfa_fcpim.c

Needed to update to apply fixes for which the old branch was too
outdated.

14 files changed, 1225 insertions, 498 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index a50aa03b8ac1..196de40b906c 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -202,9 +202,12 @@ struct lpfc_stats {
         uint32_t elsRcvPRLO;
         uint32_t elsRcvPRLI;
         uint32_t elsRcvLIRR;
+        uint32_t elsRcvRLS;
         uint32_t elsRcvRPS;
         uint32_t elsRcvRPL;
         uint32_t elsRcvRRQ;
+        uint32_t elsRcvRTV;
+        uint32_t elsRcvECHO;
         uint32_t elsXmitFLOGI;
         uint32_t elsXmitFDISC;
         uint32_t elsXmitPLOGI;
@@ -549,9 +552,11 @@ struct lpfc_hba {
 #define ELS_XRI_ABORT_EVENT     0x40
 #define ASYNC_EVENT             0x80
 #define LINK_DISABLED           0x100 /* Link disabled by user */
-#define FCF_DISC_INPROGRESS     0x200 /* FCF discovery in progress */
-#define HBA_FIP_SUPPORT         0x400 /* FIP support in HBA */
-#define HBA_AER_ENABLED         0x800 /* AER enabled with HBA */
+#define FCF_TS_INPROG           0x200 /* FCF table scan in progress */
+#define FCF_RR_INPROG           0x400 /* FCF roundrobin flogi in progress */
+#define HBA_FIP_SUPPORT         0x800 /* FIP support in HBA */
+#define HBA_AER_ENABLED         0x1000 /* AER enabled with HBA */
+#define HBA_DEVLOSS_TMO         0x2000 /* HBA in devloss timeout */
         uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/
         struct lpfc_dmabuf slim2p;
 
@@ -573,6 +578,7 @@ struct lpfc_hba {
         /* These fields used to be binfo */
         uint32_t fc_pref_DID;   /* preferred D_ID */
         uint8_t  fc_pref_ALPA;  /* preferred AL_PA */
+        uint32_t fc_edtovResol; /* E_D_TOV timer resolution */
         uint32_t fc_edtov;      /* E_D_TOV timer value */
         uint32_t fc_arbtov;     /* ARB_TOV timer value */
         uint32_t fc_ratov;      /* R_A_TOV timer value */
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 0e4abb96d68e..2d7b01a2bb2b 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -3789,8 +3789,13 @@ sysfs_mbox_read(struct file *filp, struct kobject *kobj,
                         break;
                 case MBX_SECURITY_MGMT:
                 case MBX_AUTH_PORT:
-                        if (phba->pci_dev_grp == LPFC_PCI_DEV_OC)
+                        if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
+                                printk(KERN_WARNING "mbox_read:Command 0x%x "
+                                       "is not permitted\n", pmb->mbxCommand);
+                                sysfs_mbox_idle(phba);
+                                spin_unlock_irq(&phba->hbalock);
                                 return -EPERM;
+                        }
                         break;
                 case MBX_READ_SPARM64:
                 case MBX_READ_LA:
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index f5d60b55f53a..7260c3af555a 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -3142,12 +3142,12 @@ lpfc_bsg_menlo_cmd_cmp(struct lpfc_hba *phba,
         job = menlo->set_job;
         job->dd_data = NULL; /* so timeout handler does not reply */
 
-        spin_lock_irqsave(&phba->hbalock, flags);
+        spin_lock(&phba->hbalock);
         cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
         if (cmdiocbq->context2 && rspiocbq)
                 memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
                        &rspiocbq->iocb, sizeof(IOCB_t));
-        spin_unlock_irqrestore(&phba->hbalock, flags);
+        spin_unlock(&phba->hbalock);
 
         bmp = menlo->bmp;
         rspiocbq = menlo->rspiocbq;
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 03f4ddc18572..a5f5a093a8a4 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -44,6 +44,8 @@ int lpfc_reg_rpi(struct lpfc_hba *, uint16_t, uint32_t, uint8_t *,
 void lpfc_set_var(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 void lpfc_unreg_login(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
 void lpfc_unreg_did(struct lpfc_hba *, uint16_t, uint32_t, LPFC_MBOXQ_t *);
+void lpfc_sli4_unreg_all_rpis(struct lpfc_vport *);
+
 void lpfc_reg_vpi(struct lpfc_vport *, LPFC_MBOXQ_t *);
 void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
                         struct lpfc_nodelist *);
@@ -229,6 +231,7 @@ void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
 uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
 int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
 void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t);
 
 int lpfc_mem_alloc(struct lpfc_hba *, int align);
 void lpfc_mem_free(struct lpfc_hba *);
@@ -271,6 +274,7 @@ int lpfc_sli_issue_iocb(struct lpfc_hba *, uint32_t,
 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
 void lpfc_sli_bemem_bcopy(void *, void *, uint32_t);
 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
+void lpfc_sli_hba_iocb_abort(struct lpfc_hba *);
 void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
                              struct lpfc_dmabuf *);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index e6ca12f6c6cb..884f4d321799 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -177,15 +177,18 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
                  (elscmd == ELS_CMD_LOGO)))
                 switch (elscmd) {
                 case ELS_CMD_FLOGI:
-                elsiocb->iocb_flag |= ((ELS_ID_FLOGI << LPFC_FIP_ELS_ID_SHIFT)
+                elsiocb->iocb_flag |=
+                        ((LPFC_ELS_ID_FLOGI << LPFC_FIP_ELS_ID_SHIFT)
                                         & LPFC_FIP_ELS_ID_MASK);
                 break;
                 case ELS_CMD_FDISC:
-                elsiocb->iocb_flag |= ((ELS_ID_FDISC << LPFC_FIP_ELS_ID_SHIFT)
+                elsiocb->iocb_flag |=
+                        ((LPFC_ELS_ID_FDISC << LPFC_FIP_ELS_ID_SHIFT)
                                         & LPFC_FIP_ELS_ID_MASK);
                 break;
                 case ELS_CMD_LOGO:
-                elsiocb->iocb_flag |= ((ELS_ID_LOGO << LPFC_FIP_ELS_ID_SHIFT)
+                elsiocb->iocb_flag |=
+                        ((LPFC_ELS_ID_LOGO << LPFC_FIP_ELS_ID_SHIFT)
                                         & LPFC_FIP_ELS_ID_MASK);
                 break;
                 }
@@ -517,18 +520,13 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
         if (sp->cmn.edtovResolution)    /* E_D_TOV ticks are in nanoseconds */
                 phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000;
 
+        phba->fc_edtovResol = sp->cmn.edtovResolution;
         phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000;
 
         if (phba->fc_topology == TOPOLOGY_LOOP) {
                 spin_lock_irq(shost->host_lock);
                 vport->fc_flag |= FC_PUBLIC_LOOP;
                 spin_unlock_irq(shost->host_lock);
-        } else {
-                /*
-                 * If we are a N-port connected to a Fabric, fixup sparam's so
-                 * logins to devices on remote loops work.
-                 */
-                vport->fc_sparam.cmn.altBbCredit = 1;
         }
 
         vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
@@ -585,6 +583,10 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
                         lpfc_unreg_rpi(vport, np);
                 }
                 lpfc_cleanup_pending_mbox(vport);
+
+                if (phba->sli_rev == LPFC_SLI_REV4)
+                        lpfc_sli4_unreg_all_rpis(vport);
+
                 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
                         lpfc_mbx_unreg_vpi(vport);
                         spin_lock_irq(shost->host_lock);
@@ -800,7 +802,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 
         if (irsp->ulpStatus) {
                 /*
-                 * In case of FIP mode, perform round robin FCF failover
+                 * In case of FIP mode, perform roundrobin FCF failover
                  * due to new FCF discovery
                  */
                 if ((phba->hba_flag & HBA_FIP_SUPPORT) &&
@@ -808,48 +810,16 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
                     (irsp->ulpStatus != IOSTAT_LOCAL_REJECT) &&
                     (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED)) {
                         lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
-                                        "2611 FLOGI failed on registered "
-                                        "FCF record fcf_index(%d), status: "
-                                        "x%x/x%x, tmo:x%x, trying to perform "
-                                        "round robin failover\n",
+                                        "2611 FLOGI failed on FCF (x%x), "
+                                        "status:x%x/x%x, tmo:x%x, perform "
+                                        "roundrobin FCF failover\n",
                                         phba->fcf.current_rec.fcf_indx,
                                         irsp->ulpStatus, irsp->un.ulpWord[4],
                                         irsp->ulpTimeout);
                         fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
-                        if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
-                                /*
-                                 * Exhausted the eligible FCF record list,
-                                 * fail through to retry FLOGI on current
-                                 * FCF record.
-                                 */
-                                lpfc_printf_log(phba, KERN_WARNING,
-                                                LOG_FIP | LOG_ELS,
-                                                "2760 Completed one round "
-                                                "of FLOGI FCF round robin "
-                                                "failover list, retry FLOGI "
-                                                "on currently registered "
-                                                "FCF index:%d\n",
-                                                phba->fcf.current_rec.fcf_indx);
-                        } else {
-                                lpfc_printf_log(phba, KERN_INFO,
-                                                LOG_FIP | LOG_ELS,
-                                                "2794 FLOGI FCF round robin "
-                                                "failover to FCF index x%x\n",
-                                                fcf_index);
-                                rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba,
-                                                                   fcf_index);
-                                if (rc)
-                                        lpfc_printf_log(phba, KERN_WARNING,
-                                                        LOG_FIP | LOG_ELS,
-                                                        "2761 FLOGI round "
-                                                        "robin FCF failover "
-                                                        "read FCF failed "
-                                                        "rc:x%x, fcf_index:"
-                                                        "%d\n", rc,
-                                                phba->fcf.current_rec.fcf_indx);
-                                else
-                                        goto out;
-                        }
+                        rc = lpfc_sli4_fcf_rr_next_proc(vport, fcf_index);
+                        if (rc)
+                                goto out;
                 }
 
                 /* FLOGI failure */
@@ -939,6 +909,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
                         lpfc_nlp_put(ndlp);
                         spin_lock_irq(&phba->hbalock);
                         phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+                        phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO);
                         spin_unlock_irq(&phba->hbalock);
                         goto out;
                 }
@@ -947,13 +918,12 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
                         if (phba->hba_flag & HBA_FIP_SUPPORT)
                                 lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP |
                                                 LOG_ELS,
-                                                "2769 FLOGI successful on FCF "
-                                                "record: current_fcf_index:"
-                                                "x%x, terminate FCF round "
-                                                "robin failover process\n",
+                                                "2769 FLOGI to FCF (x%x) "
+                                                "completed successfully\n",
                                                 phba->fcf.current_rec.fcf_indx);
                         spin_lock_irq(&phba->hbalock);
                         phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+                        phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO);
                         spin_unlock_irq(&phba->hbalock);
                         goto out;
                 }
@@ -1175,12 +1145,13 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
                         return 0;
         }
 
-        if (lpfc_issue_els_flogi(vport, ndlp, 0))
+        if (lpfc_issue_els_flogi(vport, ndlp, 0)) {
                 /* This decrement of reference count to node shall kick off
                  * the release of the node.
                  */
                 lpfc_nlp_put(ndlp);
-
+                return 0;
+        }
         return 1;
 }
 
@@ -1645,6 +1616,13 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
         memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm));
         sp = (struct serv_parm *) pcmd;
 
+        /*
+         * If we are a N-port connected to a Fabric, fix-up paramm's so logins
+         * to device on remote loops work.
+         */
+        if ((vport->fc_flag & FC_FABRIC) && !(vport->fc_flag & FC_PUBLIC_LOOP))
+                sp->cmn.altBbCredit = 1;
+
         if (sp->cmn.fcphLow < FC_PH_4_3)
                 sp->cmn.fcphLow = FC_PH_4_3;
 
@@ -3926,6 +3904,64 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
 }
 
 /**
+ * lpfc_els_rsp_echo_acc - Issue echo acc response
+ * @vport: pointer to a virtual N_Port data structure.
+ * @data: pointer to echo data to return in the accept.
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * Return code
+ *   0 - Successfully issued acc echo response
+ *   1 - Failed to issue acc echo response
+ **/
+static int
+lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data,
+                      struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp)
+{
+        struct lpfc_hba  *phba = vport->phba;
+        struct lpfc_iocbq *elsiocb;
+        struct lpfc_sli *psli;
+        uint8_t *pcmd;
+        uint16_t cmdsize;
+        int rc;
+
+        psli = &phba->sli;
+        cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len;
+
+        elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
+                                     ndlp->nlp_DID, ELS_CMD_ACC);
+        if (!elsiocb)
+                return 1;
+
+        elsiocb->iocb.ulpContext = oldiocb->iocb.ulpContext;    /* Xri */
+        /* Xmit ECHO ACC response tag <ulpIoTag> */
+        lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
+                         "2876 Xmit ECHO ACC response tag x%x xri x%x\n",
+                         elsiocb->iotag, elsiocb->iocb.ulpContext);
+        pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+        *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
+        pcmd += sizeof(uint32_t);
+        memcpy(pcmd, data, cmdsize - sizeof(uint32_t));
+
+        lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
+                "Issue ACC ECHO:  did:x%x flg:x%x",
+                ndlp->nlp_DID, ndlp->nlp_flag, 0);
+
+        phba->fc_stat.elsXmitACC++;
+        elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
+        lpfc_nlp_put(ndlp);
+        elsiocb->context1 = NULL;  /* Don't need ndlp for cmpl,
+                                    * it could be freed */
+
+        rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
+        if (rc == IOCB_ERROR) {
+                lpfc_els_free_iocb(phba, elsiocb);
+                return 1;
+        }
+        return 0;
+}
+
+/**
  * lpfc_els_disc_adisc - Issue remaining adisc iocbs to npr nodes of a vport
  * @vport: pointer to a host virtual N_Port data structure.
  *
@@ -4684,6 +4720,30 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 }
 
 /**
+ * lpfc_els_rcv_echo - Process an unsolicited echo iocb
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * Return code
+ *   0 - Successfully processed echo iocb (currently always return 0)
+ **/
+static int
+lpfc_els_rcv_echo(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
+                  struct lpfc_nodelist *ndlp)
+{
+        uint8_t *pcmd;
+
+        pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt);
+
+        /* skip over first word of echo command to find echo data */
+        pcmd += sizeof(uint32_t);
+
+        lpfc_els_rsp_echo_acc(vport, pcmd, cmdiocb, ndlp);
+        return 0;
+}
+
+/**
  * lpfc_els_rcv_lirr - Process an unsolicited lirr iocb
  * @vport: pointer to a host virtual N_Port data structure.
  * @cmdiocb: pointer to lpfc command iocb data structure.
@@ -4735,6 +4795,89 @@ lpfc_els_rcv_rrq(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 }
 
 /**
+ * lpfc_els_rsp_rls_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine is the completion callback function for the MBX_READ_LNK_STAT
+ * mailbox command. This callback function is to actually send the Accept
+ * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It
+ * collects the link statistics from the completion of the MBX_READ_LNK_STAT
+ * mailbox command, constructs the RPS response with the link statistics
+ * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC
+ * response to the RPS.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the RPS Accept Response ELS IOCB command.
+ *
+ **/
+static void
+lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
+{
+        MAILBOX_t *mb;
+        IOCB_t *icmd;
+        struct RLS_RSP *rls_rsp;
+        uint8_t *pcmd;
+        struct lpfc_iocbq *elsiocb;
+        struct lpfc_nodelist *ndlp;
+        uint16_t xri;
+        uint32_t cmdsize;
+
+        mb = &pmb->u.mb;
+
+        ndlp = (struct lpfc_nodelist *) pmb->context2;
+        xri = (uint16_t) ((unsigned long)(pmb->context1));
+        pmb->context1 = NULL;
+        pmb->context2 = NULL;
+
+        if (mb->mbxStatus) {
+                mempool_free(pmb, phba->mbox_mem_pool);
+                return;
+        }
+
+        cmdsize = sizeof(struct RLS_RSP) + sizeof(uint32_t);
+        mempool_free(pmb, phba->mbox_mem_pool);
+        elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
+                                     lpfc_max_els_tries, ndlp,
+                                     ndlp->nlp_DID, ELS_CMD_ACC);
+
+        /* Decrement the ndlp reference count from previous mbox command */
+        lpfc_nlp_put(ndlp);
+
+        if (!elsiocb)
+                return;
+
+        icmd = &elsiocb->iocb;
+        icmd->ulpContext = xri;
+
+        pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+        *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
+        pcmd += sizeof(uint32_t); /* Skip past command */
+        rls_rsp = (struct RLS_RSP *)pcmd;
+
+        rls_rsp->linkFailureCnt = cpu_to_be32(mb->un.varRdLnk.linkFailureCnt);
+        rls_rsp->lossSyncCnt = cpu_to_be32(mb->un.varRdLnk.lossSyncCnt);
+        rls_rsp->lossSignalCnt = cpu_to_be32(mb->un.varRdLnk.lossSignalCnt);
+        rls_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt);
+        rls_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord);
+        rls_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt);
+
+        /* Xmit ELS RLS ACC response tag <ulpIoTag> */
+        lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS,
+                         "2874 Xmit ELS RLS ACC response tag x%x xri x%x, "
+                         "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n",
+                         elsiocb->iotag, elsiocb->iocb.ulpContext,
+                         ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
+                         ndlp->nlp_rpi);
+        elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
+        phba->fc_stat.elsXmitACC++;
+        if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR)
+                lpfc_els_free_iocb(phba, elsiocb);
+}
+
+/**
  * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.
@@ -4827,7 +4970,155 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 }
 
 /**
- * lpfc_els_rcv_rps - Process an unsolicited rps iocb
+ * lpfc_els_rcv_rls - Process an unsolicited rls iocb
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Read Port Status (RPL) IOCB received as an
+ * ELS unsolicited event. It first checks the remote port state. If the
+ * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE
+ * state, it invokes the lpfc_els_rsl_reject() routine to send the reject
+ * response. Otherwise, it issue the MBX_READ_LNK_STAT mailbox command
+ * for reading the HBA link statistics. It is for the callback function,
+ * lpfc_els_rsp_rls_acc(), set to the MBX_READ_LNK_STAT mailbox command
+ * to actually sending out RPL Accept (ACC) response.
+ *
+ * Return codes
+ *   0 - Successfully processed rls iocb (currently always return 0)
+ **/
+static int
+lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
+                 struct lpfc_nodelist *ndlp)
+{
+        struct lpfc_hba *phba = vport->phba;
+        LPFC_MBOXQ_t *mbox;
+        struct lpfc_dmabuf *pcmd;
+        struct ls_rjt stat;
+
+        if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
+            (ndlp->nlp_state != NLP_STE_MAPPED_NODE))
+                /* reject the unsolicited RPS request and done with it */
+                goto reject_out;
+
+        pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
+
+        mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC);
+        if (mbox) {
+                lpfc_read_lnk_stat(phba, mbox);
+                mbox->context1 =
+                    (void *)((unsigned long) cmdiocb->iocb.ulpContext);
+                mbox->context2 = lpfc_nlp_get(ndlp);
+                mbox->vport = vport;
+                mbox->mbox_cmpl = lpfc_els_rsp_rls_acc;
+                if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
+                        != MBX_NOT_FINISHED)
+                        /* Mbox completion will send ELS Response */
+                        return 0;
+                /* Decrement reference count used for the failed mbox
+                 * command.
+                 */
+                lpfc_nlp_put(ndlp);
+                mempool_free(mbox, phba->mbox_mem_pool);
+        }
+reject_out:
+        /* issue rejection response */
+        stat.un.b.lsRjtRsvd0 = 0;
+        stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+        stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
+        stat.un.b.vendorUnique = 0;
+        lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+        return 0;
+}
+
+/**
+ * lpfc_els_rcv_rtv - Process an unsolicited rtv iocb
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Read Timout Value (RTV) IOCB received as an
+ * ELS unsolicited event. It first checks the remote port state. If the
+ * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE
+ * state, it invokes the lpfc_els_rsl_reject() routine to send the reject
+ * response. Otherwise, it sends the Accept(ACC) response to a Read Timeout
+ * Value (RTV) unsolicited IOCB event.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the RPS Accept Response ELS IOCB command.
+ *
+ * Return codes
+ *   0 - Successfully processed rtv iocb (currently always return 0)
+ **/
+static int
+lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
+                 struct lpfc_nodelist *ndlp)
+{
+        struct lpfc_hba *phba = vport->phba;
+        struct ls_rjt stat;
+        struct RTV_RSP *rtv_rsp;
+        uint8_t *pcmd;
+        struct lpfc_iocbq *elsiocb;
+        uint32_t cmdsize;
+
+
+        if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
+            (ndlp->nlp_state != NLP_STE_MAPPED_NODE))
+                /* reject the unsolicited RPS request and done with it */
+                goto reject_out;
+
+        cmdsize = sizeof(struct RTV_RSP) + sizeof(uint32_t);
+        elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
+                                     lpfc_max_els_tries, ndlp,
+                                     ndlp->nlp_DID, ELS_CMD_ACC);
+
+        if (!elsiocb)
+                return 1;
+
+        pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
+                *((uint32_t *) (pcmd)) = ELS_CMD_ACC;
+        pcmd += sizeof(uint32_t); /* Skip past command */
+
+        /* use the command's xri in the response */
+        elsiocb->iocb.ulpContext = cmdiocb->iocb.ulpContext;
+
+        rtv_rsp = (struct RTV_RSP *)pcmd;
+
+        /* populate RTV payload */
+        rtv_rsp->ratov = cpu_to_be32(phba->fc_ratov * 1000); /* report msecs */
+        rtv_rsp->edtov = cpu_to_be32(phba->fc_edtov);
+        bf_set(qtov_edtovres, rtv_rsp, phba->fc_edtovResol ? 1 : 0);
+        bf_set(qtov_rttov, rtv_rsp, 0); /* Field is for FC ONLY */
+        rtv_rsp->qtov = cpu_to_be32(rtv_rsp->qtov);
+
+        /* Xmit ELS RLS ACC response tag <ulpIoTag> */
+        lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS,
+                         "2875 Xmit ELS RTV ACC response tag x%x xri x%x, "
+                         "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x, "
+                         "Data: x%x x%x x%x\n",
+                         elsiocb->iotag, elsiocb->iocb.ulpContext,
+                         ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
+                         ndlp->nlp_rpi,
+                        rtv_rsp->ratov, rtv_rsp->edtov, rtv_rsp->qtov);
+        elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
+        phba->fc_stat.elsXmitACC++;
+        if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR)
+                lpfc_els_free_iocb(phba, elsiocb);
+        return 0;
+
+reject_out:
+        /* issue rejection response */
+        stat.un.b.lsRjtRsvd0 = 0;
+        stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+        stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
+        stat.un.b.vendorUnique = 0;
+        lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
+        return 0;
+}
+
+/* lpfc_els_rcv_rps - Process an unsolicited rps iocb
  * @vport: pointer to a host virtual N_Port data structure.
  * @cmdiocb: pointer to lpfc command iocb data structure.
  * @ndlp: pointer to a node-list data structure.
@@ -5017,7 +5308,6 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
         pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
         lp = (uint32_t *) pcmd->virt;
         rpl = (RPL *) (lp + 1);
-
         maxsize = be32_to_cpu(rpl->maxsize);
 
         /* We support only one port */
@@ -5836,6 +6126,16 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                 if (newnode)
                         lpfc_nlp_put(ndlp);
                 break;
+        case ELS_CMD_RLS:
+                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
+                        "RCV RLS:         did:x%x/ste:x%x flg:x%x",
+                        did, vport->port_state, ndlp->nlp_flag);
+
+                phba->fc_stat.elsRcvRLS++;
+                lpfc_els_rcv_rls(vport, elsiocb, ndlp);
+                if (newnode)
+                        lpfc_nlp_put(ndlp);
+                break;
         case ELS_CMD_RPS:
                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
                         "RCV RPS:         did:x%x/ste:x%x flg:x%x",
@@ -5866,6 +6166,15 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                 if (newnode)
                         lpfc_nlp_put(ndlp);
                 break;
+        case ELS_CMD_RTV:
+                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
+                        "RCV RTV:        did:x%x/ste:x%x flg:x%x",
+                        did, vport->port_state, ndlp->nlp_flag);
+                phba->fc_stat.elsRcvRTV++;
+                lpfc_els_rcv_rtv(vport, elsiocb, ndlp);
+                if (newnode)
+                        lpfc_nlp_put(ndlp);
+                break;
         case ELS_CMD_RRQ:
                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
                         "RCV RRQ:         did:x%x/ste:x%x flg:x%x",
@@ -5876,6 +6185,16 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                 if (newnode)
                         lpfc_nlp_put(ndlp);
                 break;
+        case ELS_CMD_ECHO:
+                lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
+                        "RCV ECHO:        did:x%x/ste:x%x flg:x%x",
+                        did, vport->port_state, ndlp->nlp_flag);
+
+                phba->fc_stat.elsRcvECHO++;
+                lpfc_els_rcv_echo(vport, elsiocb, ndlp);
+                if (newnode)
+                        lpfc_nlp_put(ndlp);
+                break;
         default:
                 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
                         "RCV ELS cmd:     cmd:x%x did:x%x/ste:x%x",
@@ -6170,6 +6489,8 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 
                 default:
                         /* Try to recover from this error */
+                        if (phba->sli_rev == LPFC_SLI_REV4)
+                                lpfc_sli4_unreg_all_rpis(vport);
                         lpfc_mbx_unreg_vpi(vport);
                         spin_lock_irq(shost->host_lock);
                         vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
@@ -6437,6 +6758,10 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
                         lpfc_unreg_rpi(vport, np);
                 }
                 lpfc_cleanup_pending_mbox(vport);
+
+                if (phba->sli_rev == LPFC_SLI_REV4)
+                        lpfc_sli4_unreg_all_rpis(vport);
+
                 lpfc_mbx_unreg_vpi(vport);
                 spin_lock_irq(shost->host_lock);
                 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
@@ -6452,7 +6777,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
                  * to update the MAC address.
                  */
                 lpfc_register_new_vport(phba, vport, ndlp);
-                return ;
+                goto out;
         }
 
         if (vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI)
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 2a6866e63aae..0873fbd19e18 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -20,6 +20,7 @@
  *******************************************************************/
 
 #include <linux/blkdev.h>
+#include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/kthread.h>
@@ -63,6 +64,7 @@ static uint8_t lpfcAlpaArray[] = {
 static void lpfc_disc_timeout_handler(struct lpfc_vport *);
 static void lpfc_disc_flush_list(struct lpfc_vport *vport);
 static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
+static int lpfc_fcf_inuse(struct lpfc_hba *);
 
 void
 lpfc_terminate_rport_io(struct fc_rport *rport)
@@ -160,11 +162,17 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
         return;
 }
 
-/*
- * This function is called from the worker thread when dev_loss_tmo
- * expire.
- */
-static void
+/**
+ * lpfc_dev_loss_tmo_handler - Remote node devloss timeout handler
+ * @ndlp: Pointer to remote node object.
+ *
+ * This function is called from the worker thread when devloss timeout timer
+ * expires. For SLI4 host, this routine shall return 1 when at lease one
+ * remote node, including this @ndlp, is still in use of FCF; otherwise, this
+ * routine shall return 0 when there is no remote node is still in use of FCF
+ * when devloss timeout happened to this @ndlp.
+ **/
+static int
 lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
 {
         struct lpfc_rport_data *rdata;
@@ -175,17 +183,21 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
         int  put_node;
         int  put_rport;
         int warn_on = 0;
+        int fcf_inuse = 0;
 
         rport = ndlp->rport;
 
         if (!rport)
-                return;
+                return fcf_inuse;
 
         rdata = rport->dd_data;
         name = (uint8_t *) &ndlp->nlp_portname;
         vport = ndlp->vport;
         phba  = vport->phba;
 
+        if (phba->sli_rev == LPFC_SLI_REV4)
+                fcf_inuse = lpfc_fcf_inuse(phba);
+
         lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
                 "rport devlosstmo:did:x%x type:x%x id:x%x",
                 ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id);
@@ -209,7 +221,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
                         lpfc_nlp_put(ndlp);
                 if (put_rport)
                         put_device(&rport->dev);
-                return;
+                return fcf_inuse;
         }
 
         if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
@@ -220,7 +232,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
                                  *name, *(name+1), *(name+2), *(name+3),
                                  *(name+4), *(name+5), *(name+6), *(name+7),
                                  ndlp->nlp_DID);
-                return;
+                return fcf_inuse;
         }
 
         if (ndlp->nlp_type & NLP_FABRIC) {
@@ -233,7 +245,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
                         lpfc_nlp_put(ndlp);
                 if (put_rport)
                         put_device(&rport->dev);
-                return;
+                return fcf_inuse;
         }
 
         if (ndlp->nlp_sid != NLP_NO_SID) {
@@ -280,6 +292,74 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
             (ndlp->nlp_state != NLP_STE_PRLI_ISSUE))
                 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
 
+        return fcf_inuse;
+}
+
+/**
+ * lpfc_sli4_post_dev_loss_tmo_handler - SLI4 post devloss timeout handler
+ * @phba: Pointer to hba context object.
+ * @fcf_inuse: SLI4 FCF in-use state reported from devloss timeout handler.
+ * @nlp_did: remote node identifer with devloss timeout.
+ *
+ * This function is called from the worker thread after invoking devloss
+ * timeout handler and releasing the reference count for the ndlp with
+ * which the devloss timeout was handled for SLI4 host. For the devloss
+ * timeout of the last remote node which had been in use of FCF, when this
+ * routine is invoked, it shall be guaranteed that none of the remote are
+ * in-use of FCF. When devloss timeout to the last remote using the FCF,
+ * if the FIP engine is neither in FCF table scan process nor roundrobin
+ * failover process, the in-use FCF shall be unregistered. If the FIP
+ * engine is in FCF discovery process, the devloss timeout state shall
+ * be set for either the FCF table scan process or roundrobin failover
+ * process to unregister the in-use FCF.
+ **/
+static void
+lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse,
+                                    uint32_t nlp_did)
+{
+        /* If devloss timeout happened to a remote node when FCF had no
+         * longer been in-use, do nothing.
+         */
+        if (!fcf_inuse)
+                return;
+
+        if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) {
+                spin_lock_irq(&phba->hbalock);
+                if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+                        if (phba->hba_flag & HBA_DEVLOSS_TMO) {
+                                spin_unlock_irq(&phba->hbalock);
+                                return;
+                        }
+                        phba->hba_flag |= HBA_DEVLOSS_TMO;
+                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                        "2847 Last remote node (x%x) using "
+                                        "FCF devloss tmo\n", nlp_did);
+                }
+                if (phba->fcf.fcf_flag & FCF_REDISC_PROG) {
+                        spin_unlock_irq(&phba->hbalock);
+                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                        "2868 Devloss tmo to FCF rediscovery "
+                                        "in progress\n");
+                        return;
+                }
+                if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) {
+                        spin_unlock_irq(&phba->hbalock);
+                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                        "2869 Devloss tmo to idle FIP engine, "
+                                        "unreg in-use FCF and rescan.\n");
+                        /* Unregister in-use FCF and rescan */
+                        lpfc_unregister_fcf_rescan(phba);
+                        return;
+                }
+                spin_unlock_irq(&phba->hbalock);
+                if (phba->hba_flag & FCF_TS_INPROG)
+                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                        "2870 FCF table scan in progress\n");
+                if (phba->hba_flag & FCF_RR_INPROG)
+                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                        "2871 FLOGI roundrobin FCF failover "
+                                        "in progress\n");
+        }
         lpfc_unregister_unused_fcf(phba);
 }
 
@@ -408,6 +488,8 @@ lpfc_work_list_done(struct lpfc_hba *phba)
         struct lpfc_work_evt  *evtp = NULL;
         struct lpfc_nodelist  *ndlp;
         int free_evt;
+        int fcf_inuse;
+        uint32_t nlp_did;
 
         spin_lock_irq(&phba->hbalock);
         while (!list_empty(&phba->work_list)) {
@@ -427,12 +509,17 @@ lpfc_work_list_done(struct lpfc_hba *phba)
                         break;
                 case LPFC_EVT_DEV_LOSS:
                         ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
-                        lpfc_dev_loss_tmo_handler(ndlp);
+                        fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp);
                         free_evt = 0;
                         /* decrement the node reference count held for
                          * this queued work
                          */
+                        nlp_did = ndlp->nlp_DID;
                         lpfc_nlp_put(ndlp);
+                        if (phba->sli_rev == LPFC_SLI_REV4)
+                                lpfc_sli4_post_dev_loss_tmo_handler(phba,
+                                                                    fcf_inuse,
+                                                                    nlp_did);
                         break;
                 case LPFC_EVT_ONLINE:
                         if (phba->link_state < LPFC_LINK_DOWN)
@@ -707,6 +794,8 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
                                              : NLP_EVT_DEVICE_RECOVERY);
         }
         if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) {
+                if (phba->sli_rev == LPFC_SLI_REV4)
+                        lpfc_sli4_unreg_all_rpis(vport);
                 lpfc_mbx_unreg_vpi(vport);
                 spin_lock_irq(shost->host_lock);
                 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
@@ -1021,8 +1110,7 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                          "2017 REG_FCFI mbxStatus error x%x "
                          "HBA state x%x\n",
                          mboxq->u.mb.mbxStatus, vport->port_state);
-                mempool_free(mboxq, phba->mbox_mem_pool);
-                return;
+                goto fail_out;
         }
 
         /* Start FCoE discovery by sending a FLOGI. */
@@ -1031,20 +1119,30 @@ lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         spin_lock_irq(&phba->hbalock);
         phba->fcf.fcf_flag |= FCF_REGISTERED;
         spin_unlock_irq(&phba->hbalock);
+
         /* If there is a pending FCoE event, restart FCF table scan. */
-        if (lpfc_check_pending_fcoe_event(phba, 1)) {
-                mempool_free(mboxq, phba->mbox_mem_pool);
-                return;
-        }
+        if (lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF))
+                goto fail_out;
+
+        /* Mark successful completion of FCF table scan */
         spin_lock_irq(&phba->hbalock);
         phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
-        phba->hba_flag &= ~FCF_DISC_INPROGRESS;
-        spin_unlock_irq(&phba->hbalock);
-        if (vport->port_state != LPFC_FLOGI)
+        phba->hba_flag &= ~FCF_TS_INPROG;
+        if (vport->port_state != LPFC_FLOGI) {
+                phba->hba_flag |= FCF_RR_INPROG;
+                spin_unlock_irq(&phba->hbalock);
                 lpfc_initial_flogi(vport);
+                goto out;
+        }
+        spin_unlock_irq(&phba->hbalock);
+        goto out;
 
+fail_out:
+        spin_lock_irq(&phba->hbalock);
+        phba->hba_flag &= ~FCF_RR_INPROG;
+        spin_unlock_irq(&phba->hbalock);
+out:
         mempool_free(mboxq, phba->mbox_mem_pool);
-        return;
 }
 
 /**
@@ -1241,10 +1339,9 @@ lpfc_register_fcf(struct lpfc_hba *phba)
         int rc;
 
         spin_lock_irq(&phba->hbalock);
-
         /* If the FCF is not availabe do nothing. */
         if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
                 spin_unlock_irq(&phba->hbalock);
                 return;
         }
@@ -1252,19 +1349,22 @@ lpfc_register_fcf(struct lpfc_hba *phba)
         /* The FCF is already registered, start discovery */
         if (phba->fcf.fcf_flag & FCF_REGISTERED) {
                 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
-                spin_unlock_irq(&phba->hbalock);
-                if (phba->pport->port_state != LPFC_FLOGI)
+                phba->hba_flag &= ~FCF_TS_INPROG;
+                if (phba->pport->port_state != LPFC_FLOGI) {
+                        phba->hba_flag |= FCF_RR_INPROG;
+                        spin_unlock_irq(&phba->hbalock);
                         lpfc_initial_flogi(phba->pport);
+                        return;
+                }
+                spin_unlock_irq(&phba->hbalock);
                 return;
         }
         spin_unlock_irq(&phba->hbalock);
 
-        fcf_mbxq = mempool_alloc(phba->mbox_mem_pool,
-                GFP_KERNEL);
+        fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
         if (!fcf_mbxq) {
                 spin_lock_irq(&phba->hbalock);
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
                 spin_unlock_irq(&phba->hbalock);
                 return;
         }
@@ -1275,7 +1375,7 @@ lpfc_register_fcf(struct lpfc_hba *phba)
         rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
         if (rc == MBX_NOT_FINISHED) {
                 spin_lock_irq(&phba->hbalock);
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
                 spin_unlock_irq(&phba->hbalock);
                 mempool_free(fcf_mbxq, phba->mbox_mem_pool);
         }
@@ -1493,7 +1593,7 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
          * FCF discovery, no need to restart FCF discovery.
          */
         if ((phba->link_state  >= LPFC_LINK_UP) &&
-                (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
+            (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
                 return 0;
 
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
@@ -1517,14 +1617,14 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
                 lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
         } else {
                 /*
-                 * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS
+                 * Do not continue FCF discovery and clear FCF_TS_INPROG
                  * flag
                  */
                 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
                                 "2833 Stop FCF discovery process due to link "
                                 "state change (x%x)\n", phba->link_state);
                 spin_lock_irq(&phba->hbalock);
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
                 phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
                 spin_unlock_irq(&phba->hbalock);
         }
@@ -1729,6 +1829,65 @@ lpfc_sli4_fcf_record_match(struct lpfc_hba *phba,
 }
 
 /**
+ * lpfc_sli4_fcf_rr_next_proc - processing next roundrobin fcf
+ * @vport: Pointer to vport object.
+ * @fcf_index: index to next fcf.
+ *
+ * This function processing the roundrobin fcf failover to next fcf index.
+ * When this function is invoked, there will be a current fcf registered
+ * for flogi.
+ * Return: 0 for continue retrying flogi on currently registered fcf;
+ *         1 for stop flogi on currently registered fcf;
+ */
+int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index)
+{
+        struct lpfc_hba *phba = vport->phba;
+        int rc;
+
+        if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
+                spin_lock_irq(&phba->hbalock);
+                if (phba->hba_flag & HBA_DEVLOSS_TMO) {
+                        spin_unlock_irq(&phba->hbalock);
+                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                        "2872 Devloss tmo with no eligible "
+                                        "FCF, unregister in-use FCF (x%x) "
+                                        "and rescan FCF table\n",
+                                        phba->fcf.current_rec.fcf_indx);
+                        lpfc_unregister_fcf_rescan(phba);
+                        goto stop_flogi_current_fcf;
+                }
+                /* Mark the end to FLOGI roundrobin failover */
+                phba->hba_flag &= ~FCF_RR_INPROG;
+                /* Allow action to new fcf asynchronous event */
+                phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
+                spin_unlock_irq(&phba->hbalock);
+                lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                "2865 No FCF available, stop roundrobin FCF "
+                                "failover and change port state:x%x/x%x\n",
+                                phba->pport->port_state, LPFC_VPORT_UNKNOWN);
+                phba->pport->port_state = LPFC_VPORT_UNKNOWN;
+                goto stop_flogi_current_fcf;
+        } else {
+                lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS,
+                                "2794 Try FLOGI roundrobin FCF failover to "
+                                "(x%x)\n", fcf_index);
+                rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index);
+                if (rc)
+                        lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
+                                        "2761 FLOGI roundrobin FCF failover "
+                                        "failed (rc:x%x) to read FCF (x%x)\n",
+                                        rc, phba->fcf.current_rec.fcf_indx);
+                else
+                        goto stop_flogi_current_fcf;
+        }
+        return 0;
+
+stop_flogi_current_fcf:
+        lpfc_can_disctmo(vport);
+        return 1;
+}
+
+/**
  * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to mailbox object.
@@ -1756,7 +1915,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         int rc;
 
         /* If there is pending FCoE event restart FCF table scan */
-        if (lpfc_check_pending_fcoe_event(phba, 0)) {
+        if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) {
                 lpfc_sli4_mbox_cmd_free(phba, mboxq);
                 return;
         }
@@ -1765,12 +1924,12 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
                                                       &next_fcf_index);
         if (!new_fcf_record) {
-                lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+                lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
                                 "2765 Mailbox command READ_FCF_RECORD "
                                 "failed to retrieve a FCF record.\n");
                 /* Let next new FCF event trigger fast failover */
                 spin_lock_irq(&phba->hbalock);
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                phba->hba_flag &= ~FCF_TS_INPROG;
                 spin_unlock_irq(&phba->hbalock);
                 lpfc_sli4_mbox_cmd_free(phba, mboxq);
                 return;
@@ -1787,13 +1946,12 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         /*
          * If the fcf record does not match with connect list entries
          * read the next entry; otherwise, this is an eligible FCF
-         * record for round robin FCF failover.
+         * record for roundrobin FCF failover.
          */
         if (!rc) {
                 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
-                                "2781 FCF record (x%x) failed FCF "
-                                "connection list check, fcf_avail:x%x, "
-                                "fcf_valid:x%x\n",
+                                "2781 FCF (x%x) failed connection "
+                                "list check: (x%x/x%x)\n",
                                 bf_get(lpfc_fcf_record_fcf_index,
                                        new_fcf_record),
                                 bf_get(lpfc_fcf_record_fcf_avail,
@@ -1803,6 +1961,16 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                 if ((phba->fcf.fcf_flag & FCF_IN_USE) &&
                     lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
                     new_fcf_record, LPFC_FCOE_IGNORE_VID)) {
+                        if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) !=
+                            phba->fcf.current_rec.fcf_indx) {
+                                lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
+                                        "2862 FCF (x%x) matches property "
+                                        "of in-use FCF (x%x)\n",
+                                        bf_get(lpfc_fcf_record_fcf_index,
+                                               new_fcf_record),
+                                        phba->fcf.current_rec.fcf_indx);
+                                goto read_next_fcf;
+                        }
                         /*
                          * In case the current in-use FCF record becomes
                          * invalid/unavailable during FCF discovery that
@@ -1813,9 +1981,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                             !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
                                 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
                                                 "2835 Invalid in-use FCF "
-                                                "record (x%x) reported, "
-                                                "entering fast FCF failover "
-                                                "mode scanning.\n",
+                                                "(x%x), enter FCF failover "
+                                                "table scan.\n",
                                                 phba->fcf.current_rec.fcf_indx);
                                 spin_lock_irq(&phba->hbalock);
                                 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
@@ -1844,22 +2011,29 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
         if (phba->fcf.fcf_flag & FCF_IN_USE) {
                 if (lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
                     new_fcf_record, vlan_id)) {
-                        phba->fcf.fcf_flag |= FCF_AVAILABLE;
-                        if (phba->fcf.fcf_flag & FCF_REDISC_PEND)
-                                /* Stop FCF redisc wait timer if pending */
-                                __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
-                        else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
-                                /* If in fast failover, mark it's completed */
-                                phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
-                        spin_unlock_irq(&phba->hbalock);
-                        lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                                        "2836 The new FCF record (x%x) "
-                                        "matches the in-use FCF record "
-                                        "(x%x)\n",
-                                        phba->fcf.current_rec.fcf_indx,
+                        if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) ==
+                            phba->fcf.current_rec.fcf_indx) {
+                                phba->fcf.fcf_flag |= FCF_AVAILABLE;
+                                if (phba->fcf.fcf_flag & FCF_REDISC_PEND)
+                                        /* Stop FCF redisc wait timer */
+                                        __lpfc_sli4_stop_fcf_redisc_wait_timer(
+                                                                        phba);
+                                else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
+                                        /* Fast failover, mark completed */
+                                        phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
+                                spin_unlock_irq(&phba->hbalock);
+                                lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                                "2836 New FCF matches in-use "
+                                                "FCF (x%x)\n",
+                                                phba->fcf.current_rec.fcf_indx);
+                                goto out;
+                        } else
+                                lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
+                                        "2863 New FCF (x%x) matches "
+                                        "property of in-use FCF (x%x)\n",
                                         bf_get(lpfc_fcf_record_fcf_index,
-                                               new_fcf_record));
-                        goto out;
+                                               new_fcf_record),
+                                        phba->fcf.current_rec.fcf_indx);
                 }
                 /*
                  * Read next FCF record from HBA searching for the matching
@@ -1953,8 +2127,8 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
          */
         if (fcf_rec) {
                 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                                "2840 Update current FCF record "
-                                "with initial FCF record (x%x)\n",
+                                "2840 Update initial FCF candidate "
+                                "with FCF (x%x)\n",
                                 bf_get(lpfc_fcf_record_fcf_index,
                                        new_fcf_record));
                 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
@@ -1984,20 +2158,28 @@ read_next_fcf:
                          */
                         if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
                                 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
-                                               "2782 No suitable FCF record "
-                                               "found during this round of "
-                                               "post FCF rediscovery scan: "
-                                               "fcf_evt_tag:x%x, fcf_index: "
-                                               "x%x\n",
+                                               "2782 No suitable FCF found: "
+                                               "(x%x/x%x)\n",
                                                phba->fcoe_eventtag_at_fcf_scan,
                                                bf_get(lpfc_fcf_record_fcf_index,
                                                       new_fcf_record));
+                                spin_lock_irq(&phba->hbalock);
+                                if (phba->hba_flag & HBA_DEVLOSS_TMO) {
+                                        phba->hba_flag &= ~FCF_TS_INPROG;
+                                        spin_unlock_irq(&phba->hbalock);
+                                        /* Unregister in-use FCF and rescan */
+                                        lpfc_printf_log(phba, KERN_INFO,
+                                                        LOG_FIP,
+                                                        "2864 On devloss tmo "
+                                                        "unreg in-use FCF and "
+                                                        "rescan FCF table\n");
+                                        lpfc_unregister_fcf_rescan(phba);
+                                        return;
+                                }
                                 /*
-                                 * Let next new FCF event trigger fast
-                                 * failover
+                                 * Let next new FCF event trigger fast failover
                                  */
-                                spin_lock_irq(&phba->hbalock);
-                                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                                phba->hba_flag &= ~FCF_TS_INPROG;
                                 spin_unlock_irq(&phba->hbalock);
                                 return;
                         }
@@ -2015,9 +2197,8 @@ read_next_fcf:
 
                         /* Replace in-use record with the new record */
                         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                                        "2842 Replace the current in-use "
-                                        "FCF record (x%x) with failover FCF "
-                                        "record (x%x)\n",
+                                        "2842 Replace in-use FCF (x%x) "
+                                        "with failover FCF (x%x)\n",
                                         phba->fcf.current_rec.fcf_indx,
                                         phba->fcf.failover_rec.fcf_indx);
                         memcpy(&phba->fcf.current_rec,
@@ -2029,15 +2210,8 @@ read_next_fcf:
                          * FCF failover.
                          */
                         spin_lock_irq(&phba->hbalock);
-                        phba->fcf.fcf_flag &=
-                                        ~(FCF_REDISC_FOV | FCF_REDISC_RRU);
+                        phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
                         spin_unlock_irq(&phba->hbalock);
-                        /*
-                         * Set up the initial registered FCF index for FLOGI
-                         * round robin FCF failover.
-                         */
-                        phba->fcf.fcf_rr_init_indx =
-                                        phba->fcf.failover_rec.fcf_indx;
                         /* Register to the new FCF record */
                         lpfc_register_fcf(phba);
                 } else {
@@ -2069,28 +2243,6 @@ read_next_fcf:
                                                 LPFC_FCOE_FCF_GET_FIRST);
                                 return;
                         }
-
-                        /*
-                         * Otherwise, initial scan or post linkdown rescan,
-                         * register with the best FCF record found so far
-                         * through the FCF scanning process.
-                         */
-
-                        /*
-                         * Mark the initial FCF discovery completed and
-                         * the start of the first round of the roundrobin
-                         * FCF failover.
-                         */
-                        spin_lock_irq(&phba->hbalock);
-                        phba->fcf.fcf_flag &=
-                                        ~(FCF_INIT_DISC | FCF_REDISC_RRU);
-                        spin_unlock_irq(&phba->hbalock);
-                        /*
-                         * Set up the initial registered FCF index for FLOGI
-                         * round robin FCF failover
-                         */
-                        phba->fcf.fcf_rr_init_indx =
-                                        phba->fcf.current_rec.fcf_indx;
                         /* Register to the new FCF record */
                         lpfc_register_fcf(phba);
                 }
@@ -2106,11 +2258,11 @@ out:
 }
 
 /**
- * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler
+ * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf roundrobin read_fcf mbox cmpl hdler
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to mailbox object.
  *
- * This is the callback function for FLOGI failure round robin FCF failover
+ * This is the callback function for FLOGI failure roundrobin FCF failover
  * read FCF record mailbox command from the eligible FCF record bmask for
  * performing the failover. If the FCF read back is not valid/available, it
  * fails through to retrying FLOGI to the currently registered FCF again.
@@ -2125,17 +2277,18 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 {
         struct fcf_record *new_fcf_record;
         uint32_t boot_flag, addr_mode;
-        uint16_t next_fcf_index;
+        uint16_t next_fcf_index, fcf_index;
         uint16_t current_fcf_index;
         uint16_t vlan_id;
+        int rc;
 
-        /* If link state is not up, stop the round robin failover process */
+        /* If link state is not up, stop the roundrobin failover process */
         if (phba->link_state < LPFC_LINK_UP) {
                 spin_lock_irq(&phba->hbalock);
                 phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+                phba->hba_flag &= ~FCF_RR_INPROG;
                 spin_unlock_irq(&phba->hbalock);
-                lpfc_sli4_mbox_cmd_free(phba, mboxq);
-                return;
+                goto out;
         }
 
         /* Parse the FCF record from the non-embedded mailbox command */
@@ -2145,23 +2298,47 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
                                 "2766 Mailbox command READ_FCF_RECORD "
                                 "failed to retrieve a FCF record.\n");
-                goto out;
+                goto error_out;
         }
 
         /* Get the needed parameters from FCF record */
-        lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
-                                 &addr_mode, &vlan_id);
+        rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+                                      &addr_mode, &vlan_id);
 
         /* Log the FCF record information if turned on */
         lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
                                       next_fcf_index);
 
+        fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+        if (!rc) {
+                lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                "2848 Remove ineligible FCF (x%x) from "
+                                "from roundrobin bmask\n", fcf_index);
+                /* Clear roundrobin bmask bit for ineligible FCF */
+                lpfc_sli4_fcf_rr_index_clear(phba, fcf_index);
+                /* Perform next round of roundrobin FCF failover */
+                fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
+                rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index);
+                if (rc)
+                        goto out;
+                goto error_out;
+        }
+
+        if (fcf_index == phba->fcf.current_rec.fcf_indx) {
+                lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+                                "2760 Perform FLOGI roundrobin FCF failover: "
+                                "FCF (x%x) back to FCF (x%x)\n",
+                                phba->fcf.current_rec.fcf_indx, fcf_index);
+                /* Wait 500 ms before retrying FLOGI to current FCF */
+                msleep(500);
+                lpfc_initial_flogi(phba->pport);
+                goto out;
+        }
+
         /* Upload new FCF record to the failover FCF record */
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                        "2834 Update the current FCF record (x%x) "
-                        "with the next FCF record (x%x)\n",
-                        phba->fcf.failover_rec.fcf_indx,
-                        bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
+                        "2834 Update current FCF (x%x) with new FCF (x%x)\n",
+                        phba->fcf.failover_rec.fcf_indx, fcf_index);
         spin_lock_irq(&phba->hbalock);
         __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
                                  new_fcf_record, addr_mode, vlan_id,
@@ -2178,14 +2355,13 @@ lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                sizeof(struct lpfc_fcf_rec));
 
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                        "2783 FLOGI round robin FCF failover from FCF "
-                        "(x%x) to FCF (x%x).\n",
-                        current_fcf_index,
-                        bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
+                        "2783 Perform FLOGI roundrobin FCF failover: FCF "
+                        "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index);
 
+error_out:
+        lpfc_register_fcf(phba);
 out:
         lpfc_sli4_mbox_cmd_free(phba, mboxq);
-        lpfc_register_fcf(phba);
 }
 
 /**
@@ -2194,10 +2370,10 @@ out:
  * @mboxq: pointer to mailbox object.
  *
  * This is the callback function of read FCF record mailbox command for
- * updating the eligible FCF bmask for FLOGI failure round robin FCF
+ * updating the eligible FCF bmask for FLOGI failure roundrobin FCF
  * failover when a new FCF event happened. If the FCF read back is
  * valid/available and it passes the connection list check, it updates
- * the bmask for the eligible FCF record for round robin failover.
+ * the bmask for the eligible FCF record for roundrobin failover.
  */
 void
 lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
@@ -2639,7 +2815,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
                  * and get the FCF Table.
                  */
                 spin_lock_irq(&phba->hbalock);
-                if (phba->hba_flag & FCF_DISC_INPROGRESS) {
+                if (phba->hba_flag & FCF_TS_INPROG) {
                         spin_unlock_irq(&phba->hbalock);
                         return;
                 }
@@ -3906,6 +4082,11 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport)
         LPFC_MBOXQ_t     *mbox;
         int rc;
 
+        if (phba->sli_rev == LPFC_SLI_REV4) {
+                lpfc_sli4_unreg_all_rpis(vport);
+                return;
+        }
+
         mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
         if (mbox) {
                 lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox);
@@ -3992,6 +4173,16 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
         }
 
         spin_lock_irq(&phba->hbalock);
+        /* Cleanup REG_LOGIN completions which are not yet processed */
+        list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) {
+                if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) ||
+                        (ndlp != (struct lpfc_nodelist *) mb->context2))
+                        continue;
+
+                mb->context2 = NULL;
+                mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+        }
+
         list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
                 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
                     (ndlp == (struct lpfc_nodelist *) mb->context2)) {
@@ -5170,6 +5361,8 @@ lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
                         if (ndlp)
                                 lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
                         lpfc_cleanup_pending_mbox(vports[i]);
+                        if (phba->sli_rev == LPFC_SLI_REV4)
+                                lpfc_sli4_unreg_all_rpis(vports[i]);
                         lpfc_mbx_unreg_vpi(vports[i]);
                         shost = lpfc_shost_from_vport(vports[i]);
                         spin_lock_irq(shost->host_lock);
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index a631647051d9..9b8333456465 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -861,6 +861,47 @@ typedef struct  _RPS_RSP {	/* Structure is in Big Endian format */
         uint32_t crcCnt;
 } RPS_RSP;
 
+struct RLS {                    /* Structure is in Big Endian format */
+        uint32_t rls;
+#define rls_rsvd_SHIFT          24
+#define rls_rsvd_MASK           0x000000ff
+#define rls_rsvd_WORD           rls
+#define rls_did_SHIFT           0
+#define rls_did_MASK            0x00ffffff
+#define rls_did_WORD            rls
+};
+
+struct  RLS_RSP {               /* Structure is in Big Endian format */
+        uint32_t linkFailureCnt;
+        uint32_t lossSyncCnt;
+        uint32_t lossSignalCnt;
+        uint32_t primSeqErrCnt;
+        uint32_t invalidXmitWord;
+        uint32_t crcCnt;
+};
+
+struct RTV_RSP {                /* Structure is in Big Endian format */
+        uint32_t ratov;
+        uint32_t edtov;
+        uint32_t qtov;
+#define qtov_rsvd0_SHIFT        28
+#define qtov_rsvd0_MASK         0x0000000f
+#define qtov_rsvd0_WORD         qtov            /* reserved */
+#define qtov_edtovres_SHIFT     27
+#define qtov_edtovres_MASK      0x00000001
+#define qtov_edtovres_WORD      qtov            /* E_D_TOV Resolution */
+#define qtov__rsvd1_SHIFT       19
+#define qtov_rsvd1_MASK         0x0000003f
+#define qtov_rsvd1_WORD         qtov            /* reserved */
+#define qtov_rttov_SHIFT        18
+#define qtov_rttov_MASK         0x00000001
+#define qtov_rttov_WORD         qtov            /* R_T_TOV value */
+#define qtov_rsvd2_SHIFT        0
+#define qtov_rsvd2_MASK         0x0003ffff
+#define qtov_rsvd2_WORD         qtov            /* reserved */
+};
+
+
 typedef struct  _RPL {          /* Structure is in Big Endian format */
         uint32_t maxsize;
         uint32_t index;
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index bbdcf96800f6..6e4bc34e1d0d 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -424,79 +424,6 @@ struct lpfc_rcqe {
 #define FCOE_SOFn3      0x36
 };
 
-struct lpfc_wqe_generic{
-        struct ulp_bde64 bde;
-        uint32_t word3;
-        uint32_t word4;
-        uint32_t word5;
-        uint32_t word6;
-#define lpfc_wqe_gen_context_SHIFT      16
-#define lpfc_wqe_gen_context_MASK       0x0000FFFF
-#define lpfc_wqe_gen_context_WORD       word6
-#define lpfc_wqe_gen_xri_SHIFT          0
-#define lpfc_wqe_gen_xri_MASK           0x0000FFFF
-#define lpfc_wqe_gen_xri_WORD           word6
-        uint32_t word7;
-#define lpfc_wqe_gen_lnk_SHIFT          23
-#define lpfc_wqe_gen_lnk_MASK           0x00000001
-#define lpfc_wqe_gen_lnk_WORD           word7
-#define lpfc_wqe_gen_erp_SHIFT          22
-#define lpfc_wqe_gen_erp_MASK           0x00000001
-#define lpfc_wqe_gen_erp_WORD           word7
-#define lpfc_wqe_gen_pu_SHIFT           20
-#define lpfc_wqe_gen_pu_MASK            0x00000003
-#define lpfc_wqe_gen_pu_WORD            word7
-#define lpfc_wqe_gen_class_SHIFT        16
-#define lpfc_wqe_gen_class_MASK         0x00000007
-#define lpfc_wqe_gen_class_WORD         word7
-#define lpfc_wqe_gen_command_SHIFT      8
-#define lpfc_wqe_gen_command_MASK       0x000000FF
-#define lpfc_wqe_gen_command_WORD       word7
-#define lpfc_wqe_gen_status_SHIFT       4
-#define lpfc_wqe_gen_status_MASK        0x0000000F
-#define lpfc_wqe_gen_status_WORD        word7
-#define lpfc_wqe_gen_ct_SHIFT           2
-#define lpfc_wqe_gen_ct_MASK            0x00000003
-#define lpfc_wqe_gen_ct_WORD            word7
-        uint32_t abort_tag;
-        uint32_t word9;
-#define lpfc_wqe_gen_request_tag_SHIFT  0
-#define lpfc_wqe_gen_request_tag_MASK   0x0000FFFF
-#define lpfc_wqe_gen_request_tag_WORD   word9
-        uint32_t word10;
-#define lpfc_wqe_gen_ccp_SHIFT          24
-#define lpfc_wqe_gen_ccp_MASK           0x000000FF
-#define lpfc_wqe_gen_ccp_WORD           word10
-#define lpfc_wqe_gen_ccpe_SHIFT         23
-#define lpfc_wqe_gen_ccpe_MASK          0x00000001
-#define lpfc_wqe_gen_ccpe_WORD          word10
-#define lpfc_wqe_gen_pv_SHIFT           19
-#define lpfc_wqe_gen_pv_MASK            0x00000001
-#define lpfc_wqe_gen_pv_WORD            word10
-#define lpfc_wqe_gen_pri_SHIFT          16
-#define lpfc_wqe_gen_pri_MASK           0x00000007
-#define lpfc_wqe_gen_pri_WORD           word10
-        uint32_t word11;
-#define lpfc_wqe_gen_cq_id_SHIFT        16
-#define lpfc_wqe_gen_cq_id_MASK         0x0000FFFF
-#define lpfc_wqe_gen_cq_id_WORD         word11
-#define LPFC_WQE_CQ_ID_DEFAULT  0xffff
-#define lpfc_wqe_gen_wqec_SHIFT         7
-#define lpfc_wqe_gen_wqec_MASK          0x00000001
-#define lpfc_wqe_gen_wqec_WORD          word11
-#define ELS_ID_FLOGI 3
-#define ELS_ID_FDISC 2
-#define ELS_ID_LOGO  1
-#define ELS_ID_DEFAULT 0
-#define lpfc_wqe_gen_els_id_SHIFT       4
-#define lpfc_wqe_gen_els_id_MASK        0x00000003
-#define lpfc_wqe_gen_els_id_WORD        word11
-#define lpfc_wqe_gen_cmd_type_SHIFT     0
-#define lpfc_wqe_gen_cmd_type_MASK      0x0000000F
-#define lpfc_wqe_gen_cmd_type_WORD      word11
-        uint32_t payload[4];
-};
-
 struct lpfc_rqe {
         uint32_t address_hi;
         uint32_t address_lo;
@@ -2279,9 +2206,36 @@ struct wqe_common {
 #define wqe_reqtag_MASK       0x0000FFFF
 #define wqe_reqtag_WORD       word9
 #define wqe_rcvoxid_SHIFT     16
-#define wqe_rcvoxid_MASK       0x0000FFFF
-#define wqe_rcvoxid_WORD       word9
+#define wqe_rcvoxid_MASK      0x0000FFFF
+#define wqe_rcvoxid_WORD      word9
         uint32_t word10;
+#define wqe_ebde_cnt_SHIFT    0
+#define wqe_ebde_cnt_MASK     0x00000007
+#define wqe_ebde_cnt_WORD     word10
+#define wqe_lenloc_SHIFT      7
+#define wqe_lenloc_MASK       0x00000003
+#define wqe_lenloc_WORD       word10
+#define LPFC_WQE_LENLOC_NONE            0
+#define LPFC_WQE_LENLOC_WORD3   1
+#define LPFC_WQE_LENLOC_WORD12  2
+#define LPFC_WQE_LENLOC_WORD4   3
+#define wqe_qosd_SHIFT        9
+#define wqe_qosd_MASK         0x00000001
+#define wqe_qosd_WORD         word10
+#define wqe_xbl_SHIFT         11
+#define wqe_xbl_MASK          0x00000001
+#define wqe_xbl_WORD          word10
+#define wqe_iod_SHIFT         13
+#define wqe_iod_MASK          0x00000001
+#define wqe_iod_WORD          word10
+#define LPFC_WQE_IOD_WRITE      0
+#define LPFC_WQE_IOD_READ       1
+#define wqe_dbde_SHIFT        14
+#define wqe_dbde_MASK         0x00000001
+#define wqe_dbde_WORD         word10
+#define wqe_wqes_SHIFT        15
+#define wqe_wqes_MASK         0x00000001
+#define wqe_wqes_WORD         word10
 #define wqe_pri_SHIFT         16
 #define wqe_pri_MASK          0x00000007
 #define wqe_pri_WORD          word10
@@ -2295,18 +2249,26 @@ struct wqe_common {
 #define wqe_ccpe_MASK         0x00000001
 #define wqe_ccpe_WORD         word10
 #define wqe_ccp_SHIFT         24
-#define wqe_ccp_MASK         0x000000ff
-#define wqe_ccp_WORD         word10
+#define wqe_ccp_MASK          0x000000ff
+#define wqe_ccp_WORD          word10
         uint32_t word11;
-#define wqe_cmd_type_SHIFT  0
-#define wqe_cmd_type_MASK   0x0000000f
-#define wqe_cmd_type_WORD   word11
-#define wqe_wqec_SHIFT      7
-#define wqe_wqec_MASK       0x00000001
-#define wqe_wqec_WORD       word11
-#define wqe_cqid_SHIFT      16
-#define wqe_cqid_MASK       0x0000ffff
-#define wqe_cqid_WORD       word11
+#define wqe_cmd_type_SHIFT    0
+#define wqe_cmd_type_MASK     0x0000000f
+#define wqe_cmd_type_WORD     word11
+#define wqe_els_id_SHIFT      4
+#define wqe_els_id_MASK       0x00000003
+#define wqe_els_id_WORD       word11
+#define LPFC_ELS_ID_FLOGI       3
+#define LPFC_ELS_ID_FDISC       2
+#define LPFC_ELS_ID_LOGO        1
+#define LPFC_ELS_ID_DEFAULT     0
+#define wqe_wqec_SHIFT        7
+#define wqe_wqec_MASK         0x00000001
+#define wqe_wqec_WORD         word11
+#define wqe_cqid_SHIFT        16
+#define wqe_cqid_MASK         0x0000ffff
+#define wqe_cqid_WORD         word11
+#define LPFC_WQE_CQ_ID_DEFAULT  0xffff
 };
 
 struct wqe_did {
@@ -2325,6 +2287,15 @@ struct wqe_did {
 #define wqe_xmit_bls_xo_WORD          word5
 };
 
+struct lpfc_wqe_generic{
+        struct ulp_bde64 bde;
+        uint32_t word3;
+        uint32_t word4;
+        uint32_t word5;
+        struct wqe_common wqe_com;
+        uint32_t payload[4];
+};
+
 struct els_request64_wqe {
         struct ulp_bde64 bde;
         uint32_t payload_len;
@@ -2356,9 +2327,9 @@ struct els_request64_wqe {
 
 struct xmit_els_rsp64_wqe {
         struct ulp_bde64 bde;
-        uint32_t rsvd3;
+        uint32_t response_payload_len;
         uint32_t rsvd4;
-        struct wqe_did  wqe_dest;
+        struct wqe_did wqe_dest;
         struct wqe_common wqe_com; /* words 6-11 */
         uint32_t rsvd_12_15[4];
 };
@@ -2427,7 +2398,7 @@ struct wqe_rctl_dfctl {
 
 struct xmit_seq64_wqe {
         struct ulp_bde64 bde;
-        uint32_t paylaod_offset;
+        uint32_t rsvd3;
         uint32_t relative_offset;
         struct wqe_rctl_dfctl wge_ctl;
         struct wqe_common wqe_com; /* words 6-11 */
@@ -2437,7 +2408,7 @@ struct xmit_seq64_wqe {
 };
 struct xmit_bcast64_wqe {
         struct ulp_bde64 bde;
-        uint32_t paylaod_len;
+        uint32_t seq_payload_len;
         uint32_t rsvd4;
         struct wqe_rctl_dfctl wge_ctl; /* word 5 */
         struct wqe_common wqe_com;     /* words 6-11 */
@@ -2446,8 +2417,8 @@ struct xmit_bcast64_wqe {
 
 struct gen_req64_wqe {
         struct ulp_bde64 bde;
-        uint32_t command_len;
-        uint32_t payload_len;
+        uint32_t request_payload_len;
+        uint32_t relative_offset;
         struct wqe_rctl_dfctl wge_ctl; /* word 5 */
         struct wqe_common wqe_com;     /* words 6-11 */
         uint32_t rsvd_12_15[4];
@@ -2480,7 +2451,7 @@ struct abort_cmd_wqe {
 
 struct fcp_iwrite64_wqe {
         struct ulp_bde64 bde;
-        uint32_t payload_len;
+        uint32_t payload_offset_len;
         uint32_t total_xfer_len;
         uint32_t initial_xfer_len;
         struct wqe_common wqe_com;     /* words 6-11 */
@@ -2489,7 +2460,7 @@ struct fcp_iwrite64_wqe {
 
 struct fcp_iread64_wqe {
         struct ulp_bde64 bde;
-        uint32_t payload_len;          /* word 3 */
+        uint32_t payload_offset_len;   /* word 3 */
         uint32_t total_xfer_len;       /* word 4 */
         uint32_t rsrvd5;               /* word 5 */
         struct wqe_common wqe_com;     /* words 6-11 */
@@ -2497,10 +2468,12 @@ struct fcp_iread64_wqe {
 };
 
 struct fcp_icmnd64_wqe {
-        struct ulp_bde64 bde;    /* words 0-2 */
-        uint32_t rsrvd[3];             /* words 3-5 */
+        struct ulp_bde64 bde;          /* words 0-2 */
+        uint32_t rsrvd3;               /* word 3 */
+        uint32_t rsrvd4;               /* word 4 */
+        uint32_t rsrvd5;               /* word 5 */
         struct wqe_common wqe_com;     /* words 6-11 */
-        uint32_t rsvd_12_15[4];         /* word 12-15 */
+        uint32_t rsvd_12_15[4];        /* word 12-15 */
 };
 
 
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 295c7ddb36c1..b3065791f303 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -813,6 +813,7 @@ 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.
@@ -2234,10 +2235,9 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
 void
 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
 {
-        /* Clear pending FCF rediscovery wait and failover in progress flags */
-        phba->fcf.fcf_flag &= ~(FCF_REDISC_PEND |
-                                FCF_DEAD_DISC |
-                                FCF_ACVL_DISC);
+        /* Clear pending FCF rediscovery wait flag */
+        phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+
         /* Now, try to stop the timer */
         del_timer(&phba->fcf.redisc_wait);
 }
@@ -2261,6 +2261,8 @@ lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
                 return;
         }
         __lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
+        /* Clear failover in progress flags */
+        phba->fcf.fcf_flag &= ~(FCF_DEAD_DISC | FCF_ACVL_DISC);
         spin_unlock_irq(&phba->hbalock);
 }
 
@@ -2935,8 +2937,7 @@ lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
         phba->fcf.fcf_flag |= FCF_REDISC_EVT;
         spin_unlock_irq(&phba->hbalock);
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                        "2776 FCF rediscover wait timer expired, post "
-                        "a worker thread event for FCF table scan\n");
+                        "2776 FCF rediscover quiescent timer expired\n");
         /* wake up worker thread */
         lpfc_worker_wake_up(phba);
 }
@@ -3311,35 +3312,34 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
                 if (event_type == LPFC_FCOE_EVENT_TYPE_NEW_FCF)
                         lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
                                         LOG_DISCOVERY,
-                                        "2546 New FCF found event: "
-                                        "evt_tag:x%x, fcf_index:x%x\n",
+                                        "2546 New FCF event, evt_tag:x%x, "
+                                        "index:x%x\n",
                                         acqe_fcoe->event_tag,
                                         acqe_fcoe->index);
                 else
                         lpfc_printf_log(phba, KERN_WARNING, LOG_FIP |
                                         LOG_DISCOVERY,
-                                        "2788 FCF parameter modified event: "
-                                        "evt_tag:x%x, fcf_index:x%x\n",
+                                        "2788 FCF param modified event, "
+                                        "evt_tag:x%x, index:x%x\n",
                                         acqe_fcoe->event_tag,
                                         acqe_fcoe->index);
                 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
                         /*
                          * During period of FCF discovery, read the FCF
                          * table record indexed by the event to update
-                         * FCF round robin failover eligible FCF bmask.
+                         * FCF roundrobin failover eligible FCF bmask.
                          */
                         lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
                                         LOG_DISCOVERY,
-                                        "2779 Read new FCF record with "
-                                        "fcf_index:x%x for updating FCF "
-                                        "round robin failover bmask\n",
+                                        "2779 Read FCF (x%x) for updating "
+                                        "roundrobin FCF failover bmask\n",
                                         acqe_fcoe->index);
                         rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
                 }
 
                 /* If the FCF discovery is in progress, do nothing. */
                 spin_lock_irq(&phba->hbalock);
-                if (phba->hba_flag & FCF_DISC_INPROGRESS) {
+                if (phba->hba_flag & FCF_TS_INPROG) {
                         spin_unlock_irq(&phba->hbalock);
                         break;
                 }
@@ -3358,15 +3358,15 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 
                 /* Otherwise, scan the entire FCF table and re-discover SAN */
                 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
-                                "2770 Start FCF table scan due to new FCF "
-                                "event: evt_tag:x%x, fcf_index:x%x\n",
+                                "2770 Start FCF table scan per async FCF "
+                                "event, evt_tag:x%x, index:x%x\n",
                                 acqe_fcoe->event_tag, acqe_fcoe->index);
                 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
                                                      LPFC_FCOE_FCF_GET_FIRST);
                 if (rc)
                         lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
                                         "2547 Issue FCF scan read FCF mailbox "
-                                        "command failed 0x%x\n", rc);
+                                        "command failed (x%x)\n", rc);
                 break;
 
         case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
@@ -3378,9 +3378,8 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 
         case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
                 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
-                        "2549 FCF disconnected from network index 0x%x"
-                        " tag 0x%x\n", acqe_fcoe->index,
-                        acqe_fcoe->event_tag);
+                        "2549 FCF (x%x) disconnected from network, "
+                        "tag:x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag);
                 /*
                  * If we are in the middle of FCF failover process, clear
                  * the corresponding FCF bit in the roundrobin bitmap.
@@ -3494,9 +3493,8 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
                         spin_unlock_irq(&phba->hbalock);
                         lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
                                         LOG_DISCOVERY,
-                                        "2773 Start FCF fast failover due "
-                                        "to CVL event: evt_tag:x%x\n",
-                                        acqe_fcoe->event_tag);
+                                        "2773 Start FCF failover per CVL, "
+                                        "evt_tag:x%x\n", acqe_fcoe->event_tag);
                         rc = lpfc_sli4_redisc_fcf_table(phba);
                         if (rc) {
                                 lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
@@ -3646,8 +3644,7 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
 
         /* Scan FCF table from the first entry to re-discover SAN */
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
-                        "2777 Start FCF table scan after FCF "
-                        "rediscovery quiescent period over\n");
+                        "2777 Start post-quiescent FCF table scan\n");
         rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
         if (rc)
                 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
@@ -4165,7 +4162,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
                 goto out_free_active_sgl;
         }
 
-        /* Allocate eligible FCF bmask memory for FCF round robin failover */
+        /* Allocate eligible FCF bmask memory for FCF roundrobin failover */
         longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
         phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
                                          GFP_KERNEL);
@@ -7271,6 +7268,51 @@ lpfc_sli4_unset_hba(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_xri_exchange_busy_wait - Wait for device XRI exchange busy
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called in the SLI4 code path to wait for completion
+ * of device's XRIs exchange busy. It will check the XRI exchange busy
+ * on outstanding FCP and ELS I/Os every 10ms for up to 10 seconds; after
+ * that, it will check the XRI exchange busy on outstanding FCP and ELS
+ * I/Os every 30 seconds, log error message, and wait forever. Only when
+ * all XRI exchange busy complete, the driver unload shall proceed with
+ * invoking the function reset ioctl mailbox command to the CNA and the
+ * the rest of the driver unload resource release.
+ **/
+static void
+lpfc_sli4_xri_exchange_busy_wait(struct lpfc_hba *phba)
+{
+        int wait_time = 0;
+        int fcp_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
+        int els_xri_cmpl = list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
+
+        while (!fcp_xri_cmpl || !els_xri_cmpl) {
+                if (wait_time > LPFC_XRI_EXCH_BUSY_WAIT_TMO) {
+                        if (!fcp_xri_cmpl)
+                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                                "2877 FCP XRI exchange busy "
+                                                "wait time: %d seconds.\n",
+                                                wait_time/1000);
+                        if (!els_xri_cmpl)
+                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                                "2878 ELS XRI exchange busy "
+                                                "wait time: %d seconds.\n",
+                                                wait_time/1000);
+                        msleep(LPFC_XRI_EXCH_BUSY_WAIT_T2);
+                        wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T2;
+                } else {
+                        msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
+                        wait_time += LPFC_XRI_EXCH_BUSY_WAIT_T1;
+                }
+                fcp_xri_cmpl =
+                        list_empty(&phba->sli4_hba.lpfc_abts_scsi_buf_list);
+                els_xri_cmpl =
+                        list_empty(&phba->sli4_hba.lpfc_abts_els_sgl_list);
+        }
+}
+
+/**
  * lpfc_sli4_hba_unset - Unset the fcoe hba
  * @phba: Pointer to HBA context object.
  *
@@ -7315,6 +7357,12 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
                 spin_unlock_irq(&phba->hbalock);
         }
 
+        /* Abort all iocbs associated with the hba */
+        lpfc_sli_hba_iocb_abort(phba);
+
+        /* Wait for completion of device XRI exchange busy */
+        lpfc_sli4_xri_exchange_busy_wait(phba);
+
         /* Disable PCI subsystem interrupt */
         lpfc_sli4_disable_intr(phba);
 
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 0dfa310cd609..62d0957e1d4c 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -797,6 +797,34 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
 }
 
 /**
+ * lpfc_sli4_unreg_all_rpis - unregister all RPIs for a vport on SLI4 HBA.
+ * @vport: pointer to a vport object.
+ *
+ * This routine sends mailbox command to unregister all active RPIs for
+ * a vport.
+ **/
+void
+lpfc_sli4_unreg_all_rpis(struct lpfc_vport *vport)
+{
+        struct lpfc_hba  *phba  = vport->phba;
+        LPFC_MBOXQ_t     *mbox;
+        int rc;
+
+        mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+        if (mbox) {
+                lpfc_unreg_login(phba, vport->vpi,
+                        vport->vpi + phba->vpi_base, mbox);
+                mbox->u.mb.un.varUnregLogin.rsvd1 = 0x4000 ;
+                mbox->vport = vport;
+                mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+                mbox->context1 = NULL;
+                rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+                if (rc == MBX_NOT_FINISHED)
+                        mempool_free(mbox, phba->mbox_mem_pool);
+        }
+}
+
+/**
  * lpfc_reg_vpi - Prepare a mailbox command for registering vport identifier
  * @phba: pointer to lpfc hba data structure.
  * @vpi: virtual N_Port identifier.
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 3a658953486c..581837b3c71a 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -169,6 +169,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct  lpfc_scsi_buf *lpfc_cmd)
         spin_lock_irqsave(shost->host_lock, flags);
         if (!vport->stat_data_enabled ||
                 vport->stat_data_blocked ||
+                !pnode ||
                 !pnode->lat_data ||
                 (phba->bucket_type == LPFC_NO_BUCKET)) {
                 spin_unlock_irqrestore(shost->host_lock, flags);
@@ -2040,6 +2041,9 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
         struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode;
         unsigned long flags;
 
+        if (!pnode || !NLP_CHK_NODE_ACT(pnode))
+                return;
+
         /* If there is queuefull or busy condition send a scsi event */
         if ((cmnd->result == SAM_STAT_TASK_SET_FULL) ||
                 (cmnd->result == SAM_STAT_BUSY)) {
@@ -2895,7 +2899,7 @@ void lpfc_poll_timeout(unsigned long ptr)
  *   SCSI_MLQUEUE_HOST_BUSY - Block all devices served by this host temporarily.
  **/
 static int
-lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
+lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 {
         struct Scsi_Host  *shost = cmnd->device->host;
         struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
@@ -3056,6 +3060,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
         return 0;
 }
 
+static DEF_SCSI_QCMD(lpfc_queuecommand)
+
 /**
  * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point
  * @cmnd: Pointer to scsi_cmnd data structure.
@@ -3226,10 +3232,11 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
         struct lpfc_scsi_buf *lpfc_cmd;
         struct lpfc_iocbq *iocbq;
         struct lpfc_iocbq *iocbqrsp;
+        struct lpfc_nodelist *pnode = rdata->pnode;
         int ret;
         int status;
 
-        if (!rdata->pnode || !NLP_CHK_NODE_ACT(rdata->pnode))
+        if (!pnode || !NLP_CHK_NODE_ACT(pnode))
                 return FAILED;
 
         lpfc_cmd = lpfc_get_scsi_buf(phba);
@@ -3256,7 +3263,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
                          "0702 Issue %s to TGT %d LUN %d "
                          "rpi x%x nlp_flag x%x\n",
                          lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id,
-                         rdata->pnode->nlp_rpi, rdata->pnode->nlp_flag);
+                         pnode->nlp_rpi, pnode->nlp_flag);
 
         status = lpfc_sli_issue_iocb_wait(phba, LPFC_FCP_RING,
                                           iocbq, iocbqrsp, lpfc_cmd->timeout);
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index c5614cfcc6e9..22f17087883c 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -95,7 +95,7 @@ lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe)
                 return -ENOMEM;
         /* set consumption flag every once in a while */
         if (!((q->host_index + 1) % LPFC_RELEASE_NOTIFICATION_INTERVAL))
-                bf_set(lpfc_wqe_gen_wqec, &wqe->generic, 1);
+                bf_set(wqe_wqec, &wqe->generic.wqe_com, 1);
 
         lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size);
 
@@ -1735,6 +1735,7 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
         struct lpfc_vport  *vport = pmb->vport;
         struct lpfc_dmabuf *mp;
         struct lpfc_nodelist *ndlp;
+        struct Scsi_Host *shost;
         uint16_t rpi, vpi;
         int rc;
 
@@ -1746,7 +1747,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
         }
 
         if ((pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) &&
-            (phba->sli_rev == LPFC_SLI_REV4))
+            (phba->sli_rev == LPFC_SLI_REV4) &&
+            (pmb->u.mb.un.varUnregLogin.rsvd1 == 0x0))
                 lpfc_sli4_free_rpi(phba, pmb->u.mb.un.varUnregLogin.rpi);
 
         /*
@@ -1765,16 +1767,14 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
                         return;
         }
 
-        /* Unreg VPI, if the REG_VPI succeed after VLink failure */
         if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) &&
                 !(phba->pport->load_flag & FC_UNLOADING) &&
                 !pmb->u.mb.mbxStatus) {
-                lpfc_unreg_vpi(phba, pmb->u.mb.un.varRegVpi.vpi, pmb);
-                pmb->vport = vport;
-                pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
-                rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
-                if (rc != MBX_NOT_FINISHED)
-                        return;
+                shost = lpfc_shost_from_vport(vport);
+                spin_lock_irq(shost->host_lock);
+                vport->vpi_state |= LPFC_VPI_REGISTERED;
+                vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
+                spin_unlock_irq(shost->host_lock);
         }
 
         if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
@@ -5921,7 +5921,7 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
  * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution
  * @phba: Pointer to HBA context object.
  *
- * This routine performs a round robin SCSI command to SLI4 FCP WQ index
+ * This routine performs a roundrobin SCSI command to SLI4 FCP WQ index
  * distribution.  This is called by __lpfc_sli_issue_iocb_s4() with the hbalock
  * held.
  *
@@ -5965,7 +5965,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
         uint16_t abrt_iotag;
         struct lpfc_iocbq *abrtiocbq;
         struct ulp_bde64 *bpl = NULL;
-        uint32_t els_id = ELS_ID_DEFAULT;
+        uint32_t els_id = LPFC_ELS_ID_DEFAULT;
         int numBdes, i;
         struct ulp_bde64 bde;
 
@@ -5982,7 +5982,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
         memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe));
         abort_tag = (uint32_t) iocbq->iotag;
         xritag = iocbq->sli4_xritag;
-        wqe->words[7] = 0; /* The ct field has moved so reset */
+        wqe->generic.wqe_com.word7 = 0; /* The ct field has moved so reset */
         /* words0-2 bpl convert bde */
         if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) {
                 numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize /
@@ -6033,109 +6033,117 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
                  * contains the FCFI and remote N_Port_ID is
                  * in word 5.
                  */
-
                 ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l);
-                bf_set(lpfc_wqe_gen_context, &wqe->generic,
-                                iocbq->iocb.ulpContext);
-
-                bf_set(lpfc_wqe_gen_ct, &wqe->generic, ct);
-                bf_set(lpfc_wqe_gen_pu, &wqe->generic, 0);
+                bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com,
+                       iocbq->iocb.ulpContext);
+                bf_set(wqe_ct, &wqe->els_req.wqe_com, ct);
+                bf_set(wqe_pu, &wqe->els_req.wqe_com, 0);
                 /* CCP CCPE PV PRI in word10 were set in the memcpy */
-
                 if (command_type == ELS_COMMAND_FIP) {
                         els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)
                                         >> LPFC_FIP_ELS_ID_SHIFT);
                 }
-                bf_set(lpfc_wqe_gen_els_id, &wqe->generic, els_id);
-
+                bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id);
+                bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ);
+                bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1);
+                bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE);
+                bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0);
         break;
         case CMD_XMIT_SEQUENCE64_CX:
-                bf_set(lpfc_wqe_gen_context, &wqe->generic,
-                                        iocbq->iocb.un.ulpWord[3]);
-                wqe->generic.word3 = 0;
-                bf_set(wqe_rcvoxid, &wqe->generic, iocbq->iocb.ulpContext);
+                bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com,
+                       iocbq->iocb.un.ulpWord[3]);
+                bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com,
+                       iocbq->iocb.ulpContext);
                 /* The entire sequence is transmitted for this IOCB */
                 xmit_len = total_len;
                 cmnd = CMD_XMIT_SEQUENCE64_CR;
         case CMD_XMIT_SEQUENCE64_CR:
-                /* word3 iocb=io_tag32 wqe=payload_offset */
-                /* payload offset used for multilpe outstanding
-                 * sequences on the same exchange
-                 */
-                wqe->words[3] = 0;
+                /* word3 iocb=io_tag32 wqe=reserved */
+                wqe->xmit_sequence.rsvd3 = 0;
                 /* word4 relative_offset memcpy */
                 /* word5 r_ctl/df_ctl memcpy */
-                bf_set(lpfc_wqe_gen_pu, &wqe->generic, 0);
+                bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0);
+                bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com,
+                       LPFC_WQE_IOD_WRITE);
+                bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com,
+                       LPFC_WQE_LENLOC_WORD12);
+                bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0);
                 wqe->xmit_sequence.xmit_len = xmit_len;
                 command_type = OTHER_COMMAND;
         break;
         case CMD_XMIT_BCAST64_CN:
-                /* word3 iocb=iotag32 wqe=payload_len */
-                wqe->words[3] = 0; /* no definition for this in wqe */
+                /* word3 iocb=iotag32 wqe=seq_payload_len */
+                wqe->xmit_bcast64.seq_payload_len = xmit_len;
                 /* word4 iocb=rsvd wqe=rsvd */
                 /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */
                 /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */
-                bf_set(lpfc_wqe_gen_ct, &wqe->generic,
+                bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com,
                         ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
+                bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE);
+                bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com,
+                       LPFC_WQE_LENLOC_WORD3);
+                bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0);
         break;
         case CMD_FCP_IWRITE64_CR:
                 command_type = FCP_COMMAND_DATA_OUT;
-                /* The struct for wqe fcp_iwrite has 3 fields that are somewhat
-                 * confusing.
-                 * word3 is payload_len: byte offset to the sgl entry for the
-                 * fcp_command.
-                 * word4 is total xfer len, same as the IOCB->ulpParameter.
-                 * word5 is initial xfer len 0 = wait for xfer-ready
-                 */
-
-                /* Always wait for xfer-ready before sending data */
-                wqe->fcp_iwrite.initial_xfer_len = 0;
-                /* word 4 (xfer length) should have been set on the memcpy */
-
-        /* allow write to fall through to read */
+                /* word3 iocb=iotag wqe=payload_offset_len */
+                /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
+                wqe->fcp_iwrite.payload_offset_len =
+                        xmit_len + sizeof(struct fcp_rsp);
+                /* word4 iocb=parameter wqe=total_xfer_length memcpy */
+                /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
+                bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com,
+                       iocbq->iocb.ulpFCP2Rcvy);
+                bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS);
+                /* Always open the exchange */
+                bf_set(wqe_xc, &wqe->fcp_iwrite.wqe_com, 0);
+                bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE);
+                bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com,
+                       LPFC_WQE_LENLOC_WORD4);
+                bf_set(wqe_ebde_cnt, &wqe->fcp_iwrite.wqe_com, 0);
+                bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU);
+        break;
         case CMD_FCP_IREAD64_CR:
-                /* FCP_CMD is always the 1st sgl entry */
-                wqe->fcp_iread.payload_len =
+                /* word3 iocb=iotag wqe=payload_offset_len */
+                /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
+                wqe->fcp_iread.payload_offset_len =
                         xmit_len + sizeof(struct fcp_rsp);
-
-                /* word 4 (xfer length) should have been set on the memcpy */
-
-                bf_set(lpfc_wqe_gen_erp, &wqe->generic,
-                        iocbq->iocb.ulpFCP2Rcvy);
-                bf_set(lpfc_wqe_gen_lnk, &wqe->generic, iocbq->iocb.ulpXS);
-                /* The XC bit and the XS bit are similar. The driver never
-                 * tracked whether or not the exchange was previouslly open.
-                 * XC = Exchange create, 0 is create. 1 is already open.
-                 * XS = link cmd: 1 do not close the exchange after command.
-                 * XS = 0 close exchange when command completes.
-                 * The only time we would not set the XC bit is when the XS bit
-                 * is set and we are sending our 2nd or greater command on
-                 * this exchange.
-                 */
+                /* word4 iocb=parameter wqe=total_xfer_length memcpy */
+                /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
+                bf_set(wqe_erp, &wqe->fcp_iread.wqe_com,
+                       iocbq->iocb.ulpFCP2Rcvy);
+                bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS);
                 /* Always open the exchange */
                 bf_set(wqe_xc, &wqe->fcp_iread.wqe_com, 0);
-
-                wqe->words[10] &= 0xffff0000; /* zero out ebde count */
-                bf_set(lpfc_wqe_gen_pu, &wqe->generic, iocbq->iocb.ulpPU);
-                break;
+                bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ);
+                bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com,
+                       LPFC_WQE_LENLOC_WORD4);
+                bf_set(wqe_ebde_cnt, &wqe->fcp_iread.wqe_com, 0);
+                bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU);
+        break;
         case CMD_FCP_ICMND64_CR:
+                /* word3 iocb=IO_TAG wqe=reserved */
+                wqe->fcp_icmd.rsrvd3 = 0;
+                bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0);
                 /* Always open the exchange */
-                bf_set(wqe_xc, &wqe->fcp_iread.wqe_com, 0);
-
-                wqe->words[4] = 0;
-                wqe->words[10] &= 0xffff0000; /* zero out ebde count */
-                bf_set(lpfc_wqe_gen_pu, &wqe->generic, 0);
+                bf_set(wqe_xc, &wqe->fcp_icmd.wqe_com, 0);
+                bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE);
+                bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1);
+                bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com,
+                       LPFC_WQE_LENLOC_NONE);
+                bf_set(wqe_ebde_cnt, &wqe->fcp_icmd.wqe_com, 0);
         break;
         case CMD_GEN_REQUEST64_CR:
-                /* word3 command length is described as byte offset to the
-                 * rsp_data. Would always be 16, sizeof(struct sli4_sge)
-                 * sgl[0] = cmnd
-                 * sgl[1] = rsp.
-                 *
-                 */
-                wqe->gen_req.command_len = xmit_len;
-                /* Word4 parameter  copied in the memcpy */
-                /* Word5 [rctl, type, df_ctl, la] copied in memcpy */
+                /* word3 iocb=IO_TAG wqe=request_payload_len */
+                wqe->gen_req.request_payload_len = xmit_len;
+                /* word4 iocb=parameter wqe=relative_offset memcpy */
+                /* word5 [rctl, type, df_ctl, la] copied in memcpy */
                 /* word6 context tag copied in memcpy */
                 if (iocbq->iocb.ulpCt_h  || iocbq->iocb.ulpCt_l) {
                         ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l);
@@ -6144,31 +6152,39 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
                                 ct, iocbq->iocb.ulpCommand);
                         return IOCB_ERROR;
                 }
-                bf_set(lpfc_wqe_gen_ct, &wqe->generic, 0);
-                bf_set(wqe_tmo, &wqe->gen_req.wqe_com,
-                        iocbq->iocb.ulpTimeout);
-
-                bf_set(lpfc_wqe_gen_pu, &wqe->generic, iocbq->iocb.ulpPU);
+                bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0);
+                bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout);
+                bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU);
+                bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ);
+                bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1);
+                bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE);
+                bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0);
                 command_type = OTHER_COMMAND;
         break;
         case CMD_XMIT_ELS_RSP64_CX:
                 /* words0-2 BDE memcpy */
-                /* word3 iocb=iotag32 wqe=rsvd */
-                wqe->words[3] = 0;
+                /* word3 iocb=iotag32 wqe=response_payload_len */
+                wqe->xmit_els_rsp.response_payload_len = xmit_len;
                 /* word4 iocb=did wge=rsvd. */
-                wqe->words[4] = 0;
+                wqe->xmit_els_rsp.rsvd4 = 0;
                 /* word5 iocb=rsvd wge=did */
                 bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest,
                          iocbq->iocb.un.elsreq64.remoteID);
-
-                bf_set(lpfc_wqe_gen_ct, &wqe->generic,
-                        ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
-
-                bf_set(lpfc_wqe_gen_pu, &wqe->generic, iocbq->iocb.ulpPU);
-                bf_set(wqe_rcvoxid, &wqe->generic, iocbq->iocb.ulpContext);
+                bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com,
+                       ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
+                bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU);
+                bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com,
+                       iocbq->iocb.ulpContext);
                 if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l)
-                        bf_set(lpfc_wqe_gen_context, &wqe->generic,
+                        bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com,
                                iocbq->vport->vpi + phba->vpi_base);
+                bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1);
+                bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE);
+                bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1);
+                bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com,
+                       LPFC_WQE_LENLOC_WORD3);
+                bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0);
                 command_type = OTHER_COMMAND;
         break;
         case CMD_CLOSE_XRI_CN:
@@ -6193,15 +6209,19 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
                 else
                         bf_set(abort_cmd_ia, &wqe->abort_cmd, 0);
                 bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG);
-                wqe->words[5] = 0;
-                bf_set(lpfc_wqe_gen_ct, &wqe->generic,
+                /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */
+                wqe->abort_cmd.rsrvd5 = 0;
+                bf_set(wqe_ct, &wqe->abort_cmd.wqe_com,
                         ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
                 abort_tag = iocbq->iocb.un.acxri.abortIoTag;
                 /*
                  * The abort handler will send us CMD_ABORT_XRI_CN or
                  * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX
                  */
-                bf_set(lpfc_wqe_gen_command, &wqe->generic, CMD_ABORT_XRI_CX);
+                bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
+                bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1);
+                bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com,
+                       LPFC_WQE_LENLOC_NONE);
                 cmnd = CMD_ABORT_XRI_CX;
                 command_type = OTHER_COMMAND;
                 xritag = 0;
@@ -6235,18 +6255,14 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
                 bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1);
                 bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com,
                        iocbq->iocb.ulpContext);
+                bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1);
+                bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com,
+                       LPFC_WQE_LENLOC_NONE);
                 /* Overwrite the pre-set comnd type with OTHER_COMMAND */
                 command_type = OTHER_COMMAND;
         break;
         case CMD_XRI_ABORTED_CX:
         case CMD_CREATE_XRI_CR: /* Do we expect to use this? */
-                /* words0-2 are all 0's no bde */
-                /* word3 and word4 are rsvrd */
-                wqe->words[3] = 0;
-                wqe->words[4] = 0;
-                /* word5 iocb=rsvd wge=did */
-                /* There is no remote port id in the IOCB? */
-                /* Let this fall through and fail */
         case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */
         case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */
         case CMD_FCP_TRSP64_CX: /* Target mode rcv */
@@ -6257,16 +6273,14 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
                                 iocbq->iocb.ulpCommand);
                 return IOCB_ERROR;
         break;
-
         }
-        bf_set(lpfc_wqe_gen_xri, &wqe->generic, xritag);
-        bf_set(lpfc_wqe_gen_request_tag, &wqe->generic, iocbq->iotag);
-        wqe->generic.abort_tag = abort_tag;
-        bf_set(lpfc_wqe_gen_cmd_type, &wqe->generic, command_type);
-        bf_set(lpfc_wqe_gen_command, &wqe->generic, cmnd);
-        bf_set(lpfc_wqe_gen_class, &wqe->generic, iocbq->iocb.ulpClass);
-        bf_set(lpfc_wqe_gen_cq_id, &wqe->generic, LPFC_WQE_CQ_ID_DEFAULT);
-
+        bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag);
+        bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag);
+        wqe->generic.wqe_com.abort_tag = abort_tag;
+        bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type);
+        bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd);
+        bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass);
+        bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT);
         return 0;
 }
 
@@ -7257,25 +7271,26 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 }
 
 /**
- * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
+ * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb
  * @phba: Pointer to HBA context object.
  * @pring: Pointer to driver SLI ring object.
  * @cmdiocb: Pointer to driver command iocb object.
  *
- * This function issues an abort iocb for the provided command
- * iocb. This function is called with hbalock held.
- * The function returns 0 when it fails due to memory allocation
- * failure or when the command iocb is an abort request.
+ * This function issues an abort iocb for the provided command iocb down to
+ * the port. Other than the case the outstanding command iocb is an abort
+ * request, this function issues abort out unconditionally. This function is
+ * called with hbalock held. The function returns 0 when it fails due to
+ * memory allocation failure or when the command iocb is an abort request.
  **/
-int
-lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
+static int
+lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                            struct lpfc_iocbq *cmdiocb)
 {
         struct lpfc_vport *vport = cmdiocb->vport;
         struct lpfc_iocbq *abtsiocbp;
         IOCB_t *icmd = NULL;
         IOCB_t *iabt = NULL;
-        int retval = IOCB_ERROR;
+        int retval;
 
         /*
          * There are certain command types we don't want to abort.  And we
@@ -7288,18 +7303,6 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
             (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0)
                 return 0;
 
-        /* If we're unloading, don't abort iocb on the ELS ring, but change the
-         * callback so that nothing happens when it finishes.
-         */
-        if ((vport->load_flag & FC_UNLOADING) &&
-            (pring->ringno == LPFC_ELS_RING)) {
-                if (cmdiocb->iocb_flag & LPFC_IO_FABRIC)
-                        cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl;
-                else
-                        cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl;
-                goto abort_iotag_exit;
-        }
-
         /* issue ABTS for this IOCB based on iotag */
         abtsiocbp = __lpfc_sli_get_iocbq(phba);
         if (abtsiocbp == NULL)
@@ -7344,6 +7347,63 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 
         if (retval)
                 __lpfc_sli_release_iocbq(phba, abtsiocbp);
+
+        /*
+         * Caller to this routine should check for IOCB_ERROR
+         * and handle it properly.  This routine no longer removes
+         * iocb off txcmplq and call compl in case of IOCB_ERROR.
+         */
+        return retval;
+}
+
+/**
+ * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @cmdiocb: Pointer to driver command iocb object.
+ *
+ * This function issues an abort iocb for the provided command iocb. In case
+ * of unloading, the abort iocb will not be issued to commands on the ELS
+ * ring. Instead, the callback function shall be changed to those commands
+ * so that nothing happens when them finishes. This function is called with
+ * hbalock held. The function returns 0 when the command iocb is an abort
+ * request.
+ **/
+int
+lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
+                           struct lpfc_iocbq *cmdiocb)
+{
+        struct lpfc_vport *vport = cmdiocb->vport;
+        int retval = IOCB_ERROR;
+        IOCB_t *icmd = NULL;
+
+        /*
+         * There are certain command types we don't want to abort.  And we
+         * don't want to abort commands that are already in the process of
+         * being aborted.
+         */
+        icmd = &cmdiocb->iocb;
+        if (icmd->ulpCommand == CMD_ABORT_XRI_CN ||
+            icmd->ulpCommand == CMD_CLOSE_XRI_CN ||
+            (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0)
+                return 0;
+
+        /*
+         * If we're unloading, don't abort iocb on the ELS ring, but change
+         * the callback so that nothing happens when it finishes.
+         */
+        if ((vport->load_flag & FC_UNLOADING) &&
+            (pring->ringno == LPFC_ELS_RING)) {
+                if (cmdiocb->iocb_flag & LPFC_IO_FABRIC)
+                        cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl;
+                else
+                        cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl;
+                goto abort_iotag_exit;
+        }
+
+        /* Now, we try to issue the abort to the cmdiocb out */
+        retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb);
+
 abort_iotag_exit:
         /*
          * Caller to this routine should check for IOCB_ERROR
@@ -7354,6 +7414,62 @@ abort_iotag_exit:
 }
 
 /**
+ * lpfc_sli_iocb_ring_abort - Unconditionally abort all iocbs on an iocb ring
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function aborts all iocbs in the given ring and frees all the iocb
+ * objects in txq. This function issues abort iocbs unconditionally for all
+ * the iocb commands in txcmplq. The iocbs in the txcmplq is not guaranteed
+ * to complete before the return of this function. The caller is not required
+ * to hold any locks.
+ **/
+static void
+lpfc_sli_iocb_ring_abort(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
+{
+        LIST_HEAD(completions);
+        struct lpfc_iocbq *iocb, *next_iocb;
+
+        if (pring->ringno == LPFC_ELS_RING)
+                lpfc_fabric_abort_hba(phba);
+
+        spin_lock_irq(&phba->hbalock);
+
+        /* Take off all the iocbs on txq for cancelling */
+        list_splice_init(&pring->txq, &completions);
+        pring->txq_cnt = 0;
+
+        /* Next issue ABTS for everything on the txcmplq */
+        list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list)
+                lpfc_sli_abort_iotag_issue(phba, pring, iocb);
+
+        spin_unlock_irq(&phba->hbalock);
+
+        /* Cancel all the IOCBs from the completions list */
+        lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
+                              IOERR_SLI_ABORTED);
+}
+
+/**
+ * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba.
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will abort all pending and outstanding iocbs to an HBA.
+ **/
+void
+lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba)
+{
+        struct lpfc_sli *psli = &phba->sli;
+        struct lpfc_sli_ring *pring;
+        int i;
+
+        for (i = 0; i < psli->num_rings; i++) {
+                pring = &psli->ring[i];
+                lpfc_sli_iocb_ring_abort(phba, pring);
+        }
+}
+
+/**
  * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
  * @iocbq: Pointer to driver iocb object.
  * @vport: Pointer to driver virtual port object.
@@ -12242,13 +12358,15 @@ lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
         /* Issue the mailbox command asynchronously */
         mboxq->vport = phba->pport;
         mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec;
+
+        spin_lock_irq(&phba->hbalock);
+        phba->hba_flag |= FCF_TS_INPROG;
+        spin_unlock_irq(&phba->hbalock);
+
         rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
         if (rc == MBX_NOT_FINISHED)
                 error = -EIO;
         else {
-                spin_lock_irq(&phba->hbalock);
-                phba->hba_flag |= FCF_DISC_INPROGRESS;
-                spin_unlock_irq(&phba->hbalock);
                 /* Reset eligible FCF count for new scan */
                 if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
                         phba->fcf.eligible_fcf_cnt = 0;
@@ -12258,21 +12376,21 @@ fail_fcf_scan:
         if (error) {
                 if (mboxq)
                         lpfc_sli4_mbox_cmd_free(phba, mboxq);
-                /* FCF scan failed, clear FCF_DISC_INPROGRESS flag */
+                /* FCF scan failed, clear FCF_TS_INPROG flag */
                 spin_lock_irq(&phba->hbalock);
-                phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+                phba->hba_flag &= ~FCF_TS_INPROG;
                 spin_unlock_irq(&phba->hbalock);
         }
         return error;
 }
 
 /**
- * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for round robin fcf.
+ * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf.
  * @phba: pointer to lpfc hba data structure.
  * @fcf_index: FCF table entry offset.
  *
  * This routine is invoked to read an FCF record indicated by @fcf_index
- * and to use it for FLOGI round robin FCF failover.
+ * and to use it for FLOGI roundrobin FCF failover.
  *
  * Return 0 if the mailbox command is submitted sucessfully, none 0
  * otherwise.
@@ -12318,7 +12436,7 @@ fail_fcf_read:
  * @fcf_index: FCF table entry offset.
  *
  * This routine is invoked to read an FCF record indicated by @fcf_index to
- * determine whether it's eligible for FLOGI round robin failover list.
+ * determine whether it's eligible for FLOGI roundrobin failover list.
  *
  * Return 0 if the mailbox command is submitted sucessfully, none 0
  * otherwise.
@@ -12364,7 +12482,7 @@ fail_fcf_read:
  *
  * This routine is to get the next eligible FCF record index in a round
  * robin fashion. If the next eligible FCF record index equals to the
- * initial round robin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
+ * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
  * shall be returned, otherwise, the next eligible FCF record's index
  * shall be returned.
  **/
@@ -12392,28 +12510,10 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
                 return LPFC_FCOE_FCF_NEXT_NONE;
         }
 
-        /* Check roundrobin failover index bmask stop condition */
-        if (next_fcf_index == phba->fcf.fcf_rr_init_indx) {
-                if (!(phba->fcf.fcf_flag & FCF_REDISC_RRU)) {
-                        lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
-                                        "2847 Round robin failover FCF index "
-                                        "search hit stop condition:x%x\n",
-                                        next_fcf_index);
-                        return LPFC_FCOE_FCF_NEXT_NONE;
-                }
-                /* The roundrobin failover index bmask updated, start over */
-                lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                                "2848 Round robin failover FCF index bmask "
-                                "updated, start over\n");
-                spin_lock_irq(&phba->hbalock);
-                phba->fcf.fcf_flag &= ~FCF_REDISC_RRU;
-                spin_unlock_irq(&phba->hbalock);
-                return phba->fcf.fcf_rr_init_indx;
-        }
-
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                        "2845 Get next round robin failover "
-                        "FCF index x%x\n", next_fcf_index);
+                        "2845 Get next roundrobin failover FCF (x%x)\n",
+                        next_fcf_index);
+
         return next_fcf_index;
 }
 
@@ -12422,7 +12522,7 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
  * @phba: pointer to lpfc hba data structure.
  *
  * This routine sets the FCF record index in to the eligible bmask for
- * round robin failover search. It checks to make sure that the index
+ * roundrobin failover search. It checks to make sure that the index
  * does not go beyond the range of the driver allocated bmask dimension
  * before setting the bit.
  *
@@ -12434,22 +12534,16 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
 {
         if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
                 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
-                                "2610 HBA FCF index reached driver's "
-                                "book keeping dimension: fcf_index:%d, "
-                                "driver_bmask_max:%d\n",
+                                "2610 FCF (x%x) reached driver's book "
+                                "keeping dimension:x%x\n",
                                 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
                 return -EINVAL;
         }
         /* Set the eligible FCF record index bmask */
         set_bit(fcf_index, phba->fcf.fcf_rr_bmask);
 
-        /* Set the roundrobin index bmask updated */
-        spin_lock_irq(&phba->hbalock);
-        phba->fcf.fcf_flag |= FCF_REDISC_RRU;
-        spin_unlock_irq(&phba->hbalock);
-
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                        "2790 Set FCF index x%x to round robin failover "
+                        "2790 Set FCF (x%x) to roundrobin FCF failover "
                         "bmask\n", fcf_index);
 
         return 0;
@@ -12460,7 +12554,7 @@ lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
  * @phba: pointer to lpfc hba data structure.
  *
  * This routine clears the FCF record index from the eligible bmask for
- * round robin failover search. It checks to make sure that the index
+ * roundrobin failover search. It checks to make sure that the index
  * does not go beyond the range of the driver allocated bmask dimension
  * before clearing the bit.
  **/
@@ -12469,9 +12563,8 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
 {
         if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
                 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
-                                "2762 HBA FCF index goes beyond driver's "
-                                "book keeping dimension: fcf_index:%d, "
-                                "driver_bmask_max:%d\n",
+                                "2762 FCF (x%x) reached driver's book "
+                                "keeping dimension:x%x\n",
                                 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
                 return;
         }
@@ -12479,7 +12572,7 @@ lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
         clear_bit(fcf_index, phba->fcf.fcf_rr_bmask);
 
         lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                        "2791 Clear FCF index x%x from round robin failover "
+                        "2791 Clear FCF (x%x) from roundrobin failover "
                         "bmask\n", fcf_index);
 }
 
@@ -12530,8 +12623,7 @@ lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
                 }
         } else {
                 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
-                                "2775 Start FCF rediscovery quiescent period "
-                                "wait timer before scaning FCF table\n");
+                                "2775 Start FCF rediscover quiescent timer\n");
                 /*
                  * Start FCF rediscovery wait timer for pending FCF
                  * before rescan FCF record table.
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index a0ca572ec28b..c4483feb8b71 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -19,10 +19,16 @@
  *******************************************************************/
 
 #define LPFC_ACTIVE_MBOX_WAIT_CNT               100
+#define LPFC_XRI_EXCH_BUSY_WAIT_TMO             10000
+#define LPFC_XRI_EXCH_BUSY_WAIT_T1              10
+#define LPFC_XRI_EXCH_BUSY_WAIT_T2              30000
 #define LPFC_RELEASE_NOTIFICATION_INTERVAL      32
 #define LPFC_GET_QE_REL_INT                     32
 #define LPFC_RPI_LOW_WATER_MARK                 10
 
+#define LPFC_UNREG_FCF                          1
+#define LPFC_SKIP_UNREG_FCF                     0
+
 /* Amount of time in seconds for waiting FCF rediscovery to complete */
 #define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */
 
@@ -163,9 +169,8 @@ struct lpfc_fcf {
 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
 #define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
 #define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
-#define FCF_REDISC_RRU  0x400 /* Roundrobin bitmap updated */
+#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
         uint32_t addr_mode;
-        uint16_t fcf_rr_init_indx;
         uint32_t eligible_fcf_cnt;
         struct lpfc_fcf_rec current_rec;
         struct lpfc_fcf_rec failover_rec;
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index f93120e4c796..7a1b5b112a0b 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.17"
+#define LPFC_DRIVER_VERSION "8.3.18"
 #define LPFC_DRIVER_NAME                "lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME     "lpfc:sp"
 #define LPFC_FP_DRIVER_HANDLER_NAME     "lpfc:fp"