Merge /spare/repo/linux-2.6 into upstream

12 files changed, 249 insertions, 55 deletions

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 5c68cdd8736..d384c16f4a8 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -222,7 +222,7 @@ lpfc_issue_lip(struct Scsi_Host *host)
 	pmboxq->mb.mbxCommand = MBX_DOWN_LINK;
 	pmboxq->mb.mbxOwner = OWN_HOST;
 
-	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+	mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
 
 	if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) {
 		memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t));
@@ -884,7 +884,7 @@ sysfs_mbox_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
 		    phba->sysfs_mbox.mbox   == NULL ) {
 			sysfs_mbox_idle(phba);
 			spin_unlock_irq(host->host_lock);
-			return -EINVAL;
+			return -EAGAIN;
 		}
 	}
 
@@ -1000,14 +1000,15 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 			spin_unlock_irq(phba->host->host_lock);
 			rc = lpfc_sli_issue_mbox_wait (phba,
 						       phba->sysfs_mbox.mbox,
-						       phba->fc_ratov * 2);
+				lpfc_mbox_tmo_val(phba,
+				    phba->sysfs_mbox.mbox->mb.mbxCommand) * HZ);
 			spin_lock_irq(phba->host->host_lock);
 		}
 
 		if (rc != MBX_SUCCESS) {
 			sysfs_mbox_idle(phba);
 			spin_unlock_irq(host->host_lock);
-			return -ENODEV;
+			return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
 		}
 		phba->sysfs_mbox.state = SMBOX_READING;
 	}
@@ -1016,7 +1017,7 @@ sysfs_mbox_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
 		printk(KERN_WARNING  "mbox_read: Bad State\n");
 		sysfs_mbox_idle(phba);
 		spin_unlock_irq(host->host_lock);
-		return -EINVAL;
+		return -EAGAIN;
 	}
 
 	memcpy(buf, (uint8_t *) & phba->sysfs_mbox.mbox->mb + off, count);
@@ -1210,8 +1211,10 @@ lpfc_get_stats(struct Scsi_Host *shost)
 	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
 	struct lpfc_sli *psli = &phba->sli;
 	struct fc_host_statistics *hs = &phba->link_stats;
+	struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
 	LPFC_MBOXQ_t *pmboxq;
 	MAILBOX_t *pmb;
+	unsigned long seconds;
 	int rc = 0;
 
 	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
@@ -1272,22 +1275,103 @@ lpfc_get_stats(struct Scsi_Host *shost)
 	hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
 	hs->error_frames = pmb->un.varRdLnk.crcCnt;
 
+	hs->link_failure_count -= lso->link_failure_count;
+	hs->loss_of_sync_count -= lso->loss_of_sync_count;
+	hs->loss_of_signal_count -= lso->loss_of_signal_count;
+	hs->prim_seq_protocol_err_count -= lso->prim_seq_protocol_err_count;
+	hs->invalid_tx_word_count -= lso->invalid_tx_word_count;
+	hs->invalid_crc_count -= lso->invalid_crc_count;
+	hs->error_frames -= lso->error_frames;
+
 	if (phba->fc_topology == TOPOLOGY_LOOP) {
 		hs->lip_count = (phba->fc_eventTag >> 1);
+		hs->lip_count -= lso->link_events;
 		hs->nos_count = -1;
 	} else {
 		hs->lip_count = -1;
 		hs->nos_count = (phba->fc_eventTag >> 1);
+		hs->nos_count -= lso->link_events;
 	}
 
 	hs->dumped_frames = -1;
 
-/* FIX ME */
-	/*hs->SecondsSinceLastReset = (jiffies - lpfc_loadtime) / HZ;*/
+	seconds = get_seconds();
+	if (seconds < psli->stats_start)
+		hs->seconds_since_last_reset = seconds +
+				((unsigned long)-1 - psli->stats_start);
+	else
+		hs->seconds_since_last_reset = seconds - psli->stats_start;
 
 	return hs;
 }
 
+static void
+lpfc_reset_stats(struct Scsi_Host *shost)
+{
+	struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata;
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_lnk_stat * lso = &psli->lnk_stat_offsets;
+	LPFC_MBOXQ_t *pmboxq;
+	MAILBOX_t *pmb;
+	int rc = 0;
+
+	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmboxq)
+		return;
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+
+	pmb = &pmboxq->mb;
+	pmb->mbxCommand = MBX_READ_STATUS;
+	pmb->mbxOwner = OWN_HOST;
+	pmb->un.varWords[0] = 0x1; /* reset request */
+	pmboxq->context1 = NULL;
+
+	if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+		(!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+	else
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+	if (rc != MBX_SUCCESS) {
+		if (rc == MBX_TIMEOUT)
+			pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		else
+			mempool_free(pmboxq, phba->mbox_mem_pool);
+		return;
+	}
+
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
+	pmb->mbxCommand = MBX_READ_LNK_STAT;
+	pmb->mbxOwner = OWN_HOST;
+	pmboxq->context1 = NULL;
+
+	if ((phba->fc_flag & FC_OFFLINE_MODE) ||
+	    (!(psli->sli_flag & LPFC_SLI2_ACTIVE)))
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+	else
+		rc = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2);
+
+	if (rc != MBX_SUCCESS) {
+		if (rc == MBX_TIMEOUT)
+			pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+		else
+			mempool_free( pmboxq, phba->mbox_mem_pool);
+		return;
+	}
+
+	lso->link_failure_count = pmb->un.varRdLnk.linkFailureCnt;
+	lso->loss_of_sync_count = pmb->un.varRdLnk.lossSyncCnt;
+	lso->loss_of_signal_count = pmb->un.varRdLnk.lossSignalCnt;
+	lso->prim_seq_protocol_err_count = pmb->un.varRdLnk.primSeqErrCnt;
+	lso->invalid_tx_word_count = pmb->un.varRdLnk.invalidXmitWord;
+	lso->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
+	lso->error_frames = pmb->un.varRdLnk.crcCnt;
+	lso->link_events = (phba->fc_eventTag >> 1);
+
+	psli->stats_start = get_seconds();
+
+	return;
+}
 
 /*
  * The LPFC driver treats linkdown handling as target loss events so there
@@ -1431,8 +1515,7 @@ struct fc_function_template lpfc_transport_functions = {
 	 */
 
 	.get_fc_host_stats = lpfc_get_stats,
-
-	/* the LPFC driver doesn't support resetting stats yet */
+	.reset_fc_host_stats = lpfc_reset_stats,
 
 	.dd_fcrport_size = sizeof(struct lpfc_rport_data),
 	.show_rport_maxframe_size = 1,
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 517e9e4dd46..2a176467f71 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -127,6 +127,7 @@ void lpfc_config_port(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_kill_board(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbox_put(struct lpfc_hba *, LPFC_MBOXQ_t *);
 LPFC_MBOXQ_t *lpfc_mbox_get(struct lpfc_hba *);
+int lpfc_mbox_tmo_val(struct lpfc_hba *, int);
 
 int lpfc_mem_alloc(struct lpfc_hba *);
 void lpfc_mem_free(struct lpfc_hba *);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index b65ee57af53..bbb7310210b 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -131,6 +131,7 @@ lpfc_ct_unsol_event(struct lpfc_hba * phba,
 	}
 
 ct_unsol_event_exit_piocbq:
+	list_del(&head);
 	if (pmbuf) {
 		list_for_each_entry_safe(matp, next_matp, &pmbuf->list, list) {
 			lpfc_mbuf_free(phba, matp->virt, matp->phys);
@@ -481,7 +482,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 		if (CTrsp->CommandResponse.bits.CmdRsp ==
 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
 			lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
-					"%d:0239 NameServer Rsp "
+					"%d:0208 NameServer Rsp "
 					"Data: x%x\n",
 					phba->brd_no,
 					phba->fc_flag);
@@ -588,13 +589,9 @@ lpfc_get_hba_sym_node_name(struct lpfc_hba * phba, uint8_t * symbp)
 
 	lpfc_decode_firmware_rev(phba, fwrev, 0);
 
-	if (phba->Port[0]) {
-		sprintf(symbp, "Emulex %s Port %s FV%s DV%s", phba->ModelName,
-			phba->Port, fwrev, lpfc_release_version);
-	} else {
-		sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName,
-			fwrev, lpfc_release_version);
-	}
+	sprintf(symbp, "Emulex %s FV%s DV%s", phba->ModelName,
+		fwrev, lpfc_release_version);
+	return;
 }
 
 /*
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index b89f6cb641e..3567de61316 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1848,9 +1848,12 @@ static void
 lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 		  struct lpfc_iocbq * rspiocb)
 {
+	IOCB_t *irsp;
 	struct lpfc_nodelist *ndlp;
 	LPFC_MBOXQ_t *mbox = NULL;
 
+	irsp = &rspiocb->iocb;
+
 	ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
 	if (cmdiocb->context_un.mbox)
 		mbox = cmdiocb->context_un.mbox;
@@ -1893,9 +1896,15 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 			mempool_free( mbox, phba->mbox_mem_pool);
 		} else {
 			mempool_free( mbox, phba->mbox_mem_pool);
-			if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
-				lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
-				ndlp = NULL;
+			/* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */
+			if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
+			      ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) ||
+			       (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) ||
+			       (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) {
+				if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) {
+					lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
+					ndlp = NULL;
+				}
 			}
 		}
 	}
@@ -2839,7 +2848,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 
 	/* Xmit ELS RPS ACC response tag <ulpIoTag> */
 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
-			"%d:0128 Xmit ELS RPS ACC response tag x%x "
+			"%d:0118 Xmit ELS RPS ACC response tag x%x "
 			"Data: x%x x%x x%x x%x x%x\n",
 			phba->brd_no,
 			elsiocb->iocb.ulpIoTag,
@@ -2948,7 +2957,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_hba * phba, uint16_t cmdsize,
 
 	/* Xmit ELS RPL ACC response tag <ulpIoTag> */
 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
-			"%d:0128 Xmit ELS RPL ACC response tag x%x "
+			"%d:0120 Xmit ELS RPL ACC response tag x%x "
 			"Data: x%x x%x x%x x%x x%x\n",
 			phba->brd_no,
 			elsiocb->iocb.ulpIoTag,
@@ -3109,7 +3118,7 @@ lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 	struct lpfc_nodelist *ndlp, *next_ndlp;
 
 	/* FAN received */
-	lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:265 FAN received\n",
+	lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:0265 FAN received\n",
 								phba->brd_no);
 
 	icmd = &cmdiocb->iocb;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 4d6cf990c4f..b2f1552f184 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1557,6 +1557,8 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
 			mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 		}
 	}
+
+	spin_lock_irq(phba->host->host_lock);
 	list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
 		if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
 		   (ndlp == (struct lpfc_nodelist *) mb->context2)) {
@@ -1569,6 +1571,7 @@ lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
 			mempool_free(mb, phba->mbox_mem_pool);
 		}
 	}
+	spin_unlock_irq(phba->host->host_lock);
 
 	lpfc_els_abort(phba,ndlp,0);
 	spin_lock_irq(phba->host->host_lock);
@@ -1782,7 +1785,7 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
 				/* LOG change to REGLOGIN */
 				/* FIND node DID reglogin */
 				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-						"%d:0931 FIND node DID reglogin"
+						"%d:0901 FIND node DID reglogin"
 						" Data: x%p x%x x%x x%x\n",
 						phba->brd_no,
 						ndlp, ndlp->nlp_DID,
@@ -1805,7 +1808,7 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
 				/* LOG change to PRLI */
 				/* FIND node DID prli */
 				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-						"%d:0931 FIND node DID prli "
+						"%d:0902 FIND node DID prli "
 						"Data: x%p x%x x%x x%x\n",
 						phba->brd_no,
 						ndlp, ndlp->nlp_DID,
@@ -1828,7 +1831,7 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
 				/* LOG change to NPR */
 				/* FIND node DID npr */
 				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-						"%d:0931 FIND node DID npr "
+						"%d:0903 FIND node DID npr "
 						"Data: x%p x%x x%x x%x\n",
 						phba->brd_no,
 						ndlp, ndlp->nlp_DID,
@@ -1851,7 +1854,7 @@ lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
 				/* LOG change to UNUSED */
 				/* FIND node DID unused */
 				lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
-						"%d:0931 FIND node DID unused "
+						"%d:0905 FIND node DID unused "
 						"Data: x%p x%x x%x x%x\n",
 						phba->brd_no,
 						ndlp, ndlp->nlp_DID,
@@ -2335,7 +2338,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
 		initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 		if (!initlinkmbox) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-					"%d:0226 Device Discovery "
+					"%d:0206 Device Discovery "
 					"completion error\n",
 					phba->brd_no);
 			phba->hba_state = LPFC_HBA_ERROR;
@@ -2365,7 +2368,7 @@ lpfc_disc_timeout_handler(struct lpfc_hba *phba)
 		if (!clearlambox) {
 			clrlaerr = 1;
 			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-					"%d:0226 Device Discovery "
+					"%d:0207 Device Discovery "
 					"completion error\n",
 					phba->brd_no);
 			phba->hba_state = LPFC_HBA_ERROR;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index ef47b824cbe..f6948ffe689 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1379,6 +1379,7 @@ lpfc_offline(struct lpfc_hba * phba)
 	/* stop all timers associated with this hba */
 	lpfc_stop_timer(phba);
 	phba->work_hba_events = 0;
+	phba->work_ha = 0;
 
 	lpfc_printf_log(phba,
 		       KERN_WARNING,
@@ -1616,7 +1617,11 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_free_iocbq;
 	}
 
-	/* We can rely on a queue depth attribute only after SLI HBA setup */
+	/*
+	 * Set initial can_queue value since 0 is no longer supported and
+	 * scsi_add_host will fail. This will be adjusted later based on the
+	 * max xri value determined in hba setup.
+	 */
 	host->can_queue = phba->cfg_hba_queue_depth - 10;
 
 	/* Tell the midlayer we support 16 byte commands */
@@ -1656,6 +1661,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_free_irq;
 	}
 
+	/*
+	 * hba setup may have changed the hba_queue_depth so we need to adjust
+	 * the value of can_queue.
+	 */
+	host->can_queue = phba->cfg_hba_queue_depth - 10;
+
 	lpfc_discovery_wait(phba);
 
 	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index e42f22aaf71..4d016c2a1b2 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -651,3 +651,19 @@ lpfc_mbox_get(struct lpfc_hba * phba)
 
 	return mbq;
 }
+
+int
+lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
+{
+	switch (cmd) {
+	case MBX_WRITE_NV:	/* 0x03 */
+	case MBX_UPDATE_CFG:	/* 0x1B */
+	case MBX_DOWN_LOAD:	/* 0x1C */
+	case MBX_DEL_LD_ENTRY:	/* 0x1D */
+	case MBX_LOAD_AREA:	/* 0x81 */
+	case MBX_FLASH_WR_ULA:  /* 0x98 */
+	case MBX_LOAD_EXP_ROM:	/* 0x9C */
+		return LPFC_MBOX_TMO_FLASH_CMD;
+	}
+	return LPFC_MBOX_TMO;
+}
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index bd0b0e293d6..20449a8dd53 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -179,7 +179,7 @@ lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
 
 	/* Abort outstanding I/O on NPort <nlp_DID> */
 	lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
-			"%d:0201 Abort outstanding I/O on NPort x%x "
+			"%d:0205 Abort outstanding I/O on NPort x%x "
 			"Data: x%x x%x x%x\n",
 			phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
 			ndlp->nlp_state, ndlp->nlp_rpi);
@@ -393,6 +393,20 @@ lpfc_rcv_plogi(struct lpfc_hba * phba,
 	mbox->context2  = ndlp;
 	ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI);
 
+	/*
+	 * If there is an outstanding PLOGI issued, abort it before
+	 * sending ACC rsp for received PLOGI. If pending plogi
+	 * is not canceled here, the plogi will be rejected by
+	 * remote port and will be retried. On a configuration with
+	 * single discovery thread, this will cause a huge delay in
+	 * discovery. Also this will cause multiple state machines
+	 * running in parallel for this node.
+	 */
+	if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) {
+		/* software abort outstanding PLOGI */
+		lpfc_els_abort(phba, ndlp, 1);
+	}
+
 	lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0);
 	return 1;
 
@@ -1601,7 +1615,13 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba,
 
 	lpfc_rcv_padisc(phba, ndlp, cmdiocb);
 
-	if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) {
+	/*
+	 * Do not start discovery if discovery is about to start
+	 * or discovery in progress for this node. Starting discovery
+	 * here will affect the counting of discovery threads.
+	 */
+	if ((!(ndlp->nlp_flag & NLP_DELAY_TMO)) &&
+		(ndlp->nlp_flag & NLP_NPR_2B_DISC)){
 		if (ndlp->nlp_flag & NLP_NPR_ADISC) {
 			ndlp->nlp_prev_state = NLP_STE_NPR_NODE;
 			ndlp->nlp_state = NLP_STE_ADISC_ISSUE;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index a760a44173d..a8816a8738f 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -21,6 +21,7 @@
 
 #include <linux/pci.h>
 #include <linux/interrupt.h>
+#include <linux/delay.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
@@ -841,6 +842,21 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	return 0;
 }
 
+static void
+lpfc_block_error_handler(struct scsi_cmnd *cmnd)
+{
+	struct Scsi_Host *shost = cmnd->device->host;
+	struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
+
+	spin_lock_irq(shost->host_lock);
+	while (rport->port_state == FC_PORTSTATE_BLOCKED) {
+		spin_unlock_irq(shost->host_lock);
+		msleep(1000);
+		spin_lock_irq(shost->host_lock);
+	}
+	spin_unlock_irq(shost->host_lock);
+	return;
+}
 
 static int
 lpfc_abort_handler(struct scsi_cmnd *cmnd)
@@ -855,6 +871,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
 	unsigned int loop_count = 0;
 	int ret = SUCCESS;
 
+	lpfc_block_error_handler(cmnd);
 	spin_lock_irq(shost->host_lock);
 
 	lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
@@ -957,6 +974,7 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd)
 	int ret = FAILED;
 	int cnt, loopcnt;
 
+	lpfc_block_error_handler(cmnd);
 	spin_lock_irq(shost->host_lock);
 	/*
 	 * If target is not in a MAPPED state, delay the reset until
@@ -1073,6 +1091,7 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 	int cnt, loopcnt;
 	struct lpfc_scsi_buf * lpfc_cmd;
 
+	lpfc_block_error_handler(cmnd);
 	spin_lock_irq(shost->host_lock);
 
 	lpfc_cmd = lpfc_get_scsi_buf(phba);
@@ -1104,7 +1123,7 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd)
 					  ndlp->rport->dd_data);
 		if (ret != SUCCESS) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_FCP,
-				"%d:0713 Bus Reset on target %d failed\n",
+				"%d:0700 Bus Reset on target %d failed\n",
 				phba->brd_no, i);
 			err_count++;
 		}
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 350a625fa22..70f4d5a1348 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -320,7 +320,8 @@ lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq)
 			kfree(old_arr);
 			return iotag;
 		}
-	}
+	} else
+		spin_unlock_irq(phba->host->host_lock);
 
 	lpfc_printf_log(phba, KERN_ERR,LOG_SLI,
 			"%d:0318 Failed to allocate IOTAG.last IOTAG is %d\n",
@@ -969,9 +970,11 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba * phba)
 			 * resources need to be recovered.
 			 */
 			if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
-				printk(KERN_INFO "%s: IOCB cmd 0x%x processed."
-				       " Skipping completion\n", __FUNCTION__,
-				       irsp->ulpCommand);
+				lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+						"%d:0314 IOCB cmd 0x%x"
+						" processed. Skipping"
+						" completion", phba->brd_no,
+						irsp->ulpCommand);
 				break;
 			}
 
@@ -1104,7 +1107,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
 		if (unlikely(irsp->ulpStatus)) {
 			/* Rsp ring <ringno> error: IOCB */
 			lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
-				"%d:0326 Rsp Ring %d error: IOCB Data: "
+				"%d:0336 Rsp Ring %d error: IOCB Data: "
 				"x%x x%x x%x x%x x%x x%x x%x x%x\n",
 				phba->brd_no, pring->ringno,
 				irsp->un.ulpWord[0], irsp->un.ulpWord[1],
@@ -1122,9 +1125,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
 			 * resources need to be recovered.
 			 */
 			if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
-				printk(KERN_INFO "%s: IOCB cmd 0x%x processed. "
-				       "Skipping completion\n", __FUNCTION__,
-				       irsp->ulpCommand);
+				lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
+						"%d:0333 IOCB cmd 0x%x"
+						" processed. Skipping"
+						" completion\n", phba->brd_no,
+						irsp->ulpCommand);
 				break;
 			}
 
@@ -1155,7 +1160,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba,
 			} else {
 				/* Unknown IOCB command */
 				lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
-					"%d:0321 Unknown IOCB command "
+					"%d:0334 Unknown IOCB command "
 					"Data: x%x, x%x x%x x%x x%x\n",
 					phba->brd_no, type, irsp->ulpCommand,
 					irsp->ulpStatus, irsp->ulpIoTag,
@@ -1238,7 +1243,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
 		lpfc_printf_log(phba,
 				KERN_ERR,
 				LOG_SLI,
-				"%d:0312 Ring %d handler: portRspPut %d "
+				"%d:0303 Ring %d handler: portRspPut %d "
 				"is bigger then rsp ring %d\n",
 				phba->brd_no,
 				pring->ringno, portRspPut, portRspMax);
@@ -1383,7 +1388,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
 					lpfc_printf_log(phba,
 						KERN_ERR,
 						LOG_SLI,
-						"%d:0321 Unknown IOCB command "
+						"%d:0335 Unknown IOCB command "
 						"Data: x%x x%x x%x x%x\n",
 						phba->brd_no,
 						irsp->ulpCommand,
@@ -1399,11 +1404,11 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
 								 next_iocb,
 								 &saveq->list,
 								 list) {
+						list_del(&rspiocbp->list);
 						lpfc_sli_release_iocbq(phba,
 								     rspiocbp);
 					}
 				}
-
 				lpfc_sli_release_iocbq(phba, saveq);
 			}
 		}
@@ -1711,15 +1716,13 @@ lpfc_sli_brdreset(struct lpfc_hba * phba)
 	phba->fc_myDID = 0;
 	phba->fc_prevDID = 0;
 
-	psli->sli_flag = 0;
-
 	/* Turn off parity checking and serr during the physical reset */
 	pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value);
 	pci_write_config_word(phba->pcidev, PCI_COMMAND,
 			      (cfg_value &
 			       ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
 
-	psli->sli_flag &= ~LPFC_SLI2_ACTIVE;
+	psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA);
 	/* Now toggle INITFF bit in the Host Control Register */
 	writel(HC_INITFF, phba->HCregaddr);
 	mdelay(1);
@@ -1760,7 +1763,7 @@ lpfc_sli_brdrestart(struct lpfc_hba * phba)
 
 	/* Restart HBA */
 	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
-			"%d:0328 Restart HBA Data: x%x x%x\n", phba->brd_no,
+			"%d:0337 Restart HBA Data: x%x x%x\n", phba->brd_no,
 			phba->hba_state, psli->sli_flag);
 
 	word0 = 0;
@@ -1792,6 +1795,9 @@ lpfc_sli_brdrestart(struct lpfc_hba * phba)
 
 	spin_unlock_irq(phba->host->host_lock);
 
+	memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets));
+	psli->stats_start = get_seconds();
+
 	if (skip_post)
 		mdelay(100);
 	else
@@ -1902,6 +1908,9 @@ lpfc_sli_hba_setup(struct lpfc_hba * phba)
 	}
 
 	while (resetcount < 2 && !done) {
+		spin_lock_irq(phba->host->host_lock);
+		phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE;
+		spin_unlock_irq(phba->host->host_lock);
 		phba->hba_state = LPFC_STATE_UNKNOWN;
 		lpfc_sli_brdrestart(phba);
 		msleep(2500);
@@ -1909,6 +1918,9 @@ lpfc_sli_hba_setup(struct lpfc_hba * phba)
 		if (rc)
 			break;
 
+		spin_lock_irq(phba->host->host_lock);
+		phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+		spin_unlock_irq(phba->host->host_lock);
 		resetcount++;
 
 	/* Call pre CONFIG_PORT mailbox command initialization.  A value of 0
@@ -2194,7 +2206,8 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
 			return (MBX_NOT_FINISHED);
 		}
 		/* timeout active mbox command */
-		mod_timer(&psli->mbox_tmo, jiffies + HZ * LPFC_MBOX_TMO);
+		mod_timer(&psli->mbox_tmo, (jiffies +
+			       (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand))));
 	}
 
 	/* Mailbox cmd <cmd> issue */
@@ -2254,7 +2267,6 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
 		break;
 
 	case MBX_POLL:
-		i = 0;
 		psli->mbox_active = NULL;
 		if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
 			/* First read mbox status word */
@@ -2268,11 +2280,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
 		/* Read the HBA Host Attention Register */
 		ha_copy = readl(phba->HAregaddr);
 
+		i = lpfc_mbox_tmo_val(phba, mb->mbxCommand);
+		i *= 1000; /* Convert to ms */
+
 		/* Wait for command to complete */
 		while (((word0 & OWN_CHIP) == OWN_CHIP) ||
 		       (!(ha_copy & HA_MBATT) &&
 			(phba->hba_state > LPFC_WARM_START))) {
-			if (i++ >= 100) {
+			if (i-- <= 0) {
 				psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
 				spin_unlock_irqrestore(phba->host->host_lock,
 						       drvr_flag);
@@ -2290,7 +2305,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmbox, uint32_t flag)
 
 			/* Can be in interrupt context, do not sleep */
 			/* (or might be called with interrupts disabled) */
-			mdelay(i);
+			mdelay(1);
 
 			spin_lock_irqsave(phba->host->host_lock, drvr_flag);
 
@@ -3005,7 +3020,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
 
 		if (timeleft == 0) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
-					"%d:0329 IOCB wait timeout error - no "
+					"%d:0338 IOCB wait timeout error - no "
 					"wake response Data x%x\n",
 					phba->brd_no, timeout);
 			retval = IOCB_TIMEDOUT;
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index d8ef0d2894d..e26de680935 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -172,6 +172,18 @@ struct lpfc_sli_stat {
 	uint32_t mbox_busy;	 /* Mailbox cmd busy */
 };
 
+/* Structure to store link status values when port stats are reset */
+struct lpfc_lnk_stat {
+	uint32_t link_failure_count;
+	uint32_t loss_of_sync_count;
+	uint32_t loss_of_signal_count;
+	uint32_t prim_seq_protocol_err_count;
+	uint32_t invalid_tx_word_count;
+	uint32_t invalid_crc_count;
+	uint32_t error_frames;
+	uint32_t link_events;
+};
+
 /* Structure used to hold SLI information */
 struct lpfc_sli {
 	uint32_t num_rings;
@@ -201,6 +213,8 @@ struct lpfc_sli {
 	struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */
 	size_t iocbq_lookup_len;           /* current lengs of the array */
 	uint16_t  last_iotag;              /* last allocated IOTAG */
+	unsigned long  stats_start;        /* in seconds */
+	struct lpfc_lnk_stat lnk_stat_offsets;
 };
 
 /* Given a pointer to the start of the ring, and the slot number of
@@ -211,3 +225,9 @@ struct lpfc_sli {
 
 #define LPFC_MBOX_TMO           30	/* Sec tmo for outstanding mbox
 					   command */
+#define LPFC_MBOX_TMO_FLASH_CMD 300     /* Sec tmo for outstanding FLASH write
+					 * or erase cmds. This is especially
+					 * long because of the potential of
+					 * multiple flash erases that can be
+					 * spawned.
+					 */
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 10e89c6ae82..c7091ea29f3 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 "8.1.7"
+#define LPFC_DRIVER_VERSION "8.1.9"
 
 #define LPFC_DRIVER_NAME "lpfc"