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

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (182 commits)
  [SCSI] aacraid: add an ifdef'd device delete case instead of taking the device offline
  [SCSI] aacraid: prohibit access to array container space
  [SCSI] aacraid: add support for handling ATA pass-through commands.
  [SCSI] aacraid: expose physical devices for models with newer firmware
  [SCSI] aacraid: respond automatically to volumes added by config tool
  [SCSI] fcoe: fix fcoe module ref counting
  [SCSI] libfcoe: FIP Keep-Alive messages for VPorts are sent with incorrect port_id and wwn
  [SCSI] libfcoe: Fix incorrect MAC address clearing
  [SCSI] fcoe: fix a circular locking issue with rtnl and sysfs mutex
  [SCSI] libfc: Move the port_id into lport
  [SCSI] fcoe: move link speed checking into its own routine
  [SCSI] libfc: Remove extra pointer check
  [SCSI] libfc: Remove unused fc_get_host_port_type
  [SCSI] fcoe: fixes wrong error exit in fcoe_create
  [SCSI] libfc: set seq_id for incoming sequence
  [SCSI] qla2xxx: Updates to ISP82xx support.
  [SCSI] qla2xxx: Optionally disable target reset.
  [SCSI] qla2xxx: ensure flash operation and host reset via sg_reset are mutually exclusive
  [SCSI] qla2xxx: Silence bogus warning by gcc for wrap and did.
  [SCSI] qla2xxx: T10 DIF support added.
  ...

19 files changed, 1291 insertions, 403 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 565e16dd74fc..e35a4c71eb9a 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -310,7 +310,9 @@ struct lpfc_vport {
 #define FC_NLP_MORE             0x40	 /* More node to process in node tbl */
 #define FC_OFFLINE_MODE         0x80	 /* Interface is offline for diag */
 #define FC_FABRIC               0x100	 /* We are fabric attached */
+#define FC_VPORT_LOGO_RCVD      0x200    /* LOGO received on vport */
 #define FC_RSCN_DISCOVERY       0x400	 /* Auth all devices after RSCN */
+#define FC_LOGO_RCVD_DID_CHNG   0x800    /* FDISC on phys port detect DID chng*/
 #define FC_SCSI_SCAN_TMO        0x4000	 /* scsi scan timer running */
 #define FC_ABORT_DISCOVERY      0x8000	 /* we want to abort discovery */
 #define FC_NDISC_ACTIVE         0x10000	 /* NPort discovery active */
@@ -554,6 +556,7 @@ struct lpfc_hba {
 	struct lpfc_dmabuf slim2p;
 
 	MAILBOX_t *mbox;
+	uint32_t *mbox_ext;
 	uint32_t *inb_ha_copy;
 	uint32_t *inb_counter;
 	uint32_t inb_last_counter;
@@ -622,6 +625,7 @@ struct lpfc_hba {
 	uint32_t cfg_enable_hba_reset;
 	uint32_t cfg_enable_hba_heartbeat;
 	uint32_t cfg_enable_bg;
+	uint32_t cfg_hostmem_hgp;
 	uint32_t cfg_log_verbose;
 	uint32_t cfg_aer_support;
 	uint32_t cfg_suppress_link_up;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 1849e33e68f9..2e5f376d9ccc 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -869,6 +869,7 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
 	LPFC_MBOXQ_t *pmboxq;
 	MAILBOX_t *pmb;
 	int rc = 0;
+	uint32_t max_vpi;
 
 	/*
 	 * prevent udev from issuing mailbox commands until the port is
@@ -916,11 +917,17 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
 		if (axri)
 			*axri = bf_get(lpfc_mbx_rd_conf_xri_count, rd_config) -
 					phba->sli4_hba.max_cfg_param.xri_used;
+
+		/* Account for differences with SLI-3.  Get vpi count from
+		 * mailbox data and subtract one for max vpi value.
+		 */
+		max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
+			(bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;
+
 		if (mvpi)
-			*mvpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
+			*mvpi = max_vpi;
 		if (avpi)
-			*avpi = bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) -
-					phba->sli4_hba.max_cfg_param.vpi_used;
+			*avpi = max_vpi - phba->sli4_hba.max_cfg_param.vpi_used;
 	} else {
 		if (mrpi)
 			*mrpi = pmb->un.varRdConfig.max_rpi;
@@ -1925,13 +1932,12 @@ MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:"
 		 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
 		 " 3 - select SLI-3");
 
-int lpfc_enable_npiv = 0;
+int lpfc_enable_npiv = 1;
 module_param(lpfc_enable_npiv, int, 0);
 MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality");
 lpfc_param_show(enable_npiv);
-lpfc_param_init(enable_npiv, 0, 0, 1);
-static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
-			 lpfc_enable_npiv_show, NULL);
+lpfc_param_init(enable_npiv, 1, 0, 1);
+static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, lpfc_enable_npiv_show, NULL);
 
 /*
 # lpfc_suppress_link_up:  Bring link up at initialization
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index d62b3e467926..dcf088262b20 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -79,6 +79,12 @@ struct lpfc_bsg_iocb {
 struct lpfc_bsg_mbox {
 	LPFC_MBOXQ_t *pmboxq;
 	MAILBOX_t *mb;
+	struct lpfc_dmabuf *rxbmp; /* for BIU diags */
+	struct lpfc_dmabufext *dmp; /* for BIU diags */
+	uint8_t *ext; /* extended mailbox data */
+	uint32_t mbOffset; /* from app */
+	uint32_t inExtWLen; /* from app */
+	uint32_t outExtWLen; /* from app */
 
 	/* job waiting for this mbox command to finish */
 	struct fc_bsg_job *set_job;
@@ -1708,21 +1714,26 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi,
 	dmabuf = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 	if (dmabuf) {
 		dmabuf->virt = lpfc_mbuf_alloc(phba, 0, &dmabuf->phys);
-		INIT_LIST_HEAD(&dmabuf->list);
-		bpl = (struct ulp_bde64 *) dmabuf->virt;
-		memset(bpl, 0, sizeof(*bpl));
-		ctreq = (struct lpfc_sli_ct_request *)(bpl + 1);
-		bpl->addrHigh =
-			le32_to_cpu(putPaddrHigh(dmabuf->phys + sizeof(*bpl)));
-		bpl->addrLow =
-			le32_to_cpu(putPaddrLow(dmabuf->phys + sizeof(*bpl)));
-		bpl->tus.f.bdeFlags = 0;
-		bpl->tus.f.bdeSize = ELX_LOOPBACK_HEADER_SZ;
-		bpl->tus.w = le32_to_cpu(bpl->tus.w);
+		if (dmabuf->virt) {
+			INIT_LIST_HEAD(&dmabuf->list);
+			bpl = (struct ulp_bde64 *) dmabuf->virt;
+			memset(bpl, 0, sizeof(*bpl));
+			ctreq = (struct lpfc_sli_ct_request *)(bpl + 1);
+			bpl->addrHigh =
+				le32_to_cpu(putPaddrHigh(dmabuf->phys +
+					sizeof(*bpl)));
+			bpl->addrLow =
+				le32_to_cpu(putPaddrLow(dmabuf->phys +
+					sizeof(*bpl)));
+			bpl->tus.f.bdeFlags = 0;
+			bpl->tus.f.bdeSize = ELX_LOOPBACK_HEADER_SZ;
+			bpl->tus.w = le32_to_cpu(bpl->tus.w);
+		}
 	}
 
 	if (cmdiocbq == NULL || rspiocbq == NULL ||
-	    dmabuf == NULL || bpl == NULL || ctreq == NULL) {
+	    dmabuf == NULL || bpl == NULL || ctreq == NULL ||
+		dmabuf->virt == NULL) {
 		ret_val = ENOMEM;
 		goto err_get_xri_exit;
 	}
@@ -1918,9 +1929,11 @@ static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri,
 	rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
 	if (rxbmp != NULL) {
 		rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
-		INIT_LIST_HEAD(&rxbmp->list);
-		rxbpl = (struct ulp_bde64 *) rxbmp->virt;
-		rxbuffer = diag_cmd_data_alloc(phba, rxbpl, len, 0);
+		if (rxbmp->virt) {
+			INIT_LIST_HEAD(&rxbmp->list);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			rxbuffer = diag_cmd_data_alloc(phba, rxbpl, len, 0);
+		}
 	}
 
 	if (!cmdiocbq || !rxbmp || !rxbpl || !rxbuffer) {
@@ -2174,14 +2187,16 @@ lpfc_bsg_diag_test(struct fc_bsg_job *job)
 
 	if (txbmp) {
 		txbmp->virt = lpfc_mbuf_alloc(phba, 0, &txbmp->phys);
-		INIT_LIST_HEAD(&txbmp->list);
-		txbpl = (struct ulp_bde64 *) txbmp->virt;
-		if (txbpl)
+		if (txbmp->virt) {
+			INIT_LIST_HEAD(&txbmp->list);
+			txbpl = (struct ulp_bde64 *) txbmp->virt;
 			txbuffer = diag_cmd_data_alloc(phba,
 							txbpl, full_size, 0);
+		}
 	}
 
-	if (!cmdiocbq || !rspiocbq || !txbmp || !txbpl || !txbuffer) {
+	if (!cmdiocbq || !rspiocbq || !txbmp || !txbpl || !txbuffer ||
+		!txbmp->virt) {
 		rc = -ENOMEM;
 		goto err_loopback_test_exit;
 	}
@@ -2377,35 +2392,90 @@ void
 lpfc_bsg_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 {
 	struct bsg_job_data *dd_data;
-	MAILBOX_t *pmb;
-	MAILBOX_t *mb;
 	struct fc_bsg_job *job;
 	uint32_t size;
 	unsigned long flags;
+	uint8_t *to;
+	uint8_t *from;
 
 	spin_lock_irqsave(&phba->ct_ev_lock, flags);
 	dd_data = pmboxq->context1;
+	/* job already timed out? */
 	if (!dd_data) {
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
 		return;
 	}
 
-	pmb = &dd_data->context_un.mbox.pmboxq->u.mb;
-	mb = dd_data->context_un.mbox.mb;
+	/* build the outgoing buffer to do an sg copy
+	 * the format is the response mailbox followed by any extended
+	 * mailbox data
+	 */
+	from = (uint8_t *)&pmboxq->u.mb;
+	to = (uint8_t *)dd_data->context_un.mbox.mb;
+	memcpy(to, from, sizeof(MAILBOX_t));
+	if (pmboxq->u.mb.mbxStatus == MBX_SUCCESS) {
+		/* copy the extended data if any, count is in words */
+		if (dd_data->context_un.mbox.outExtWLen) {
+			from = (uint8_t *)dd_data->context_un.mbox.ext;
+			to += sizeof(MAILBOX_t);
+			size = dd_data->context_un.mbox.outExtWLen *
+					sizeof(uint32_t);
+			memcpy(to, from, size);
+		} else if (pmboxq->u.mb.mbxCommand == MBX_RUN_BIU_DIAG64) {
+			from = (uint8_t *)dd_data->context_un.mbox.
+						dmp->dma.virt;
+			to += sizeof(MAILBOX_t);
+			size = dd_data->context_un.mbox.dmp->size;
+			memcpy(to, from, size);
+		} else if ((phba->sli_rev == LPFC_SLI_REV4) &&
+			(pmboxq->u.mb.mbxCommand == MBX_DUMP_MEMORY)) {
+			from = (uint8_t *)dd_data->context_un.mbox.dmp->dma.
+						virt;
+			to += sizeof(MAILBOX_t);
+			size = pmboxq->u.mb.un.varWords[5];
+			memcpy(to, from, size);
+		} else if (pmboxq->u.mb.mbxCommand == MBX_READ_EVENT_LOG) {
+			from = (uint8_t *)dd_data->context_un.
+						mbox.dmp->dma.virt;
+			to += sizeof(MAILBOX_t);
+			size = dd_data->context_un.mbox.dmp->size;
+			memcpy(to, from, size);
+		}
+	}
+
+	from = (uint8_t *)dd_data->context_un.mbox.mb;
 	job = dd_data->context_un.mbox.set_job;
-	memcpy(mb, pmb, sizeof(*pmb));
-	size = job->request_payload.payload_len;
+	size = job->reply_payload.payload_len;
 	job->reply->reply_payload_rcv_len =
 		sg_copy_from_buffer(job->reply_payload.sg_list,
 				job->reply_payload.sg_cnt,
-				mb, size);
+				from, size);
 	job->reply->result = 0;
+
 	dd_data->context_un.mbox.set_job = NULL;
 	job->dd_data = NULL;
 	job->job_done(job);
+	/* need to hold the lock until we call job done to hold off
+	 * the timeout handler returning to the midlayer while
+	 * we are stillprocessing the job
+	 */
 	spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+
+	kfree(dd_data->context_un.mbox.mb);
 	mempool_free(dd_data->context_un.mbox.pmboxq, phba->mbox_mem_pool);
-	kfree(mb);
+	kfree(dd_data->context_un.mbox.ext);
+	if (dd_data->context_un.mbox.dmp) {
+		dma_free_coherent(&phba->pcidev->dev,
+			dd_data->context_un.mbox.dmp->size,
+			dd_data->context_un.mbox.dmp->dma.virt,
+			dd_data->context_un.mbox.dmp->dma.phys);
+		kfree(dd_data->context_un.mbox.dmp);
+	}
+	if (dd_data->context_un.mbox.rxbmp) {
+		lpfc_mbuf_free(phba, dd_data->context_un.mbox.rxbmp->virt,
+			dd_data->context_un.mbox.rxbmp->phys);
+		kfree(dd_data->context_un.mbox.rxbmp);
+	}
 	kfree(dd_data);
 	return;
 }
@@ -2464,10 +2534,12 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 	case MBX_SET_DEBUG:
 	case MBX_WRITE_WWN:
 	case MBX_SLI4_CONFIG:
+	case MBX_READ_EVENT_LOG:
 	case MBX_READ_EVENT_LOG_STATUS:
 	case MBX_WRITE_EVENT_LOG:
 	case MBX_PORT_CAPABILITIES:
 	case MBX_PORT_IOV_CONTROL:
+	case MBX_RUN_BIU_DIAG64:
 		break;
 	case MBX_SET_VARIABLE:
 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
@@ -2482,8 +2554,6 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 			phba->fc_topology = TOPOLOGY_PT_PT;
 		}
 		break;
-	case MBX_RUN_BIU_DIAG64:
-	case MBX_READ_EVENT_LOG:
 	case MBX_READ_SPARM64:
 	case MBX_READ_LA:
 	case MBX_READ_LA64:
@@ -2518,97 +2588,365 @@ static uint32_t
 lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
 	struct lpfc_vport *vport)
 {
-	LPFC_MBOXQ_t *pmboxq;
-	MAILBOX_t *pmb;
-	MAILBOX_t *mb;
-	struct bsg_job_data *dd_data;
+	LPFC_MBOXQ_t *pmboxq = NULL; /* internal mailbox queue */
+	MAILBOX_t *pmb; /* shortcut to the pmboxq mailbox */
+	/* a 4k buffer to hold the mb and extended data from/to the bsg */
+	MAILBOX_t *mb = NULL;
+	struct bsg_job_data *dd_data = NULL; /* bsg data tracking structure */
 	uint32_t size;
+	struct lpfc_dmabuf *rxbmp = NULL; /* for biu diag */
+	struct lpfc_dmabufext *dmp = NULL; /* for biu diag */
+	struct ulp_bde64 *rxbpl = NULL;
+	struct dfc_mbox_req *mbox_req = (struct dfc_mbox_req *)
+		job->request->rqst_data.h_vendor.vendor_cmd;
+	uint8_t *ext = NULL;
 	int rc = 0;
+	uint8_t *from;
+
+	/* in case no data is transferred */
+	job->reply->reply_payload_rcv_len = 0;
+
+	/* check if requested extended data lengths are valid */
+	if ((mbox_req->inExtWLen > MAILBOX_EXT_SIZE) ||
+		(mbox_req->outExtWLen > MAILBOX_EXT_SIZE)) {
+		rc = -ERANGE;
+		goto job_done;
+	}
 
 	/* allocate our bsg tracking structure */
 	dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
 	if (!dd_data) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
 				"2727 Failed allocation of dd_data\n");
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto job_done;
 	}
 
-	mb = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	mb = kzalloc(BSG_MBOX_SIZE, GFP_KERNEL);
 	if (!mb) {
-		kfree(dd_data);
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto job_done;
 	}
 
 	pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!pmboxq) {
-		kfree(dd_data);
-		kfree(mb);
-		return -ENOMEM;
+		rc = -ENOMEM;
+		goto job_done;
 	}
+	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
 
 	size = job->request_payload.payload_len;
-	job->reply->reply_payload_rcv_len =
-		sg_copy_to_buffer(job->request_payload.sg_list,
-				job->request_payload.sg_cnt,
-				mb, size);
+	sg_copy_to_buffer(job->request_payload.sg_list,
+			job->request_payload.sg_cnt,
+			mb, size);
 
 	rc = lpfc_bsg_check_cmd_access(phba, mb, vport);
-	if (rc != 0) {
-		kfree(dd_data);
-		kfree(mb);
-		mempool_free(pmboxq, phba->mbox_mem_pool);
-		return rc; /* must be negative */
-	}
+	if (rc != 0)
+		goto job_done; /* must be negative */
 
-	memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t));
 	pmb = &pmboxq->u.mb;
 	memcpy(pmb, mb, sizeof(*pmb));
 	pmb->mbxOwner = OWN_HOST;
-	pmboxq->context1 = NULL;
 	pmboxq->vport = vport;
 
-	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
-	    (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
-		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
-		if (rc != MBX_SUCCESS) {
-			if (rc != MBX_TIMEOUT) {
-				kfree(dd_data);
-				kfree(mb);
-				mempool_free(pmboxq, phba->mbox_mem_pool);
+	/* If HBA encountered an error attention, allow only DUMP
+	 * or RESTART mailbox commands until the HBA is restarted.
+	 */
+	if (phba->pport->stopped &&
+	    pmb->mbxCommand != MBX_DUMP_MEMORY &&
+	    pmb->mbxCommand != MBX_RESTART &&
+	    pmb->mbxCommand != MBX_WRITE_VPARMS &&
+	    pmb->mbxCommand != MBX_WRITE_WWN)
+		lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+				"2797 mbox: Issued mailbox cmd "
+				"0x%x while in stopped state.\n",
+				pmb->mbxCommand);
+
+	/* Don't allow mailbox commands to be sent when blocked
+	 * or when in the middle of discovery
+	 */
+	if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) {
+		rc = -EAGAIN;
+		goto job_done;
+	}
+
+	/* extended mailbox commands will need an extended buffer */
+	if (mbox_req->inExtWLen || mbox_req->outExtWLen) {
+		ext = kzalloc(MAILBOX_EXT_SIZE, GFP_KERNEL);
+		if (!ext) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
+		/* any data for the device? */
+		if (mbox_req->inExtWLen) {
+			from = (uint8_t *)mb;
+			from += sizeof(MAILBOX_t);
+			memcpy((uint8_t *)ext, from,
+				mbox_req->inExtWLen * sizeof(uint32_t));
+		}
+
+		pmboxq->context2 = ext;
+		pmboxq->in_ext_byte_len =
+			mbox_req->inExtWLen *
+			sizeof(uint32_t);
+		pmboxq->out_ext_byte_len =
+			mbox_req->outExtWLen *
+			sizeof(uint32_t);
+		pmboxq->mbox_offset_word =
+			mbox_req->mbOffset;
+		pmboxq->context2 = ext;
+		pmboxq->in_ext_byte_len =
+			mbox_req->inExtWLen * sizeof(uint32_t);
+		pmboxq->out_ext_byte_len =
+			mbox_req->outExtWLen * sizeof(uint32_t);
+		pmboxq->mbox_offset_word = mbox_req->mbOffset;
+	}
+
+	/* biu diag will need a kernel buffer to transfer the data
+	 * allocate our own buffer and setup the mailbox command to
+	 * use ours
+	 */
+	if (pmb->mbxCommand == MBX_RUN_BIU_DIAG64) {
+		uint32_t transmit_length = pmb->un.varWords[1];
+		uint32_t receive_length = pmb->un.varWords[4];
+		/* transmit length cannot be greater than receive length or
+		 * mailbox extension size
+		 */
+		if ((transmit_length > receive_length) ||
+			(transmit_length > MAILBOX_EXT_SIZE)) {
+			rc = -ERANGE;
+			goto job_done;
+		}
+
+		rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+		if (!rxbmp) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
+		rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+		if (!rxbmp->virt) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
+		INIT_LIST_HEAD(&rxbmp->list);
+		rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+		dmp = diag_cmd_data_alloc(phba, rxbpl, transmit_length, 0);
+		if (!dmp) {
+			rc = -ENOMEM;
+			goto job_done;
+		}
+
+		INIT_LIST_HEAD(&dmp->dma.list);
+		pmb->un.varBIUdiag.un.s2.xmit_bde64.addrHigh =
+			putPaddrHigh(dmp->dma.phys);
+		pmb->un.varBIUdiag.un.s2.xmit_bde64.addrLow =
+			putPaddrLow(dmp->dma.phys);
+
+		pmb->un.varBIUdiag.un.s2.rcv_bde64.addrHigh =
+			putPaddrHigh(dmp->dma.phys +
+				pmb->un.varBIUdiag.un.s2.
+					xmit_bde64.tus.f.bdeSize);
+		pmb->un.varBIUdiag.un.s2.rcv_bde64.addrLow =
+			putPaddrLow(dmp->dma.phys +
+				pmb->un.varBIUdiag.un.s2.
+					xmit_bde64.tus.f.bdeSize);
+
+		/* copy the transmit data found in the mailbox extension area */
+		from = (uint8_t *)mb;
+		from += sizeof(MAILBOX_t);
+		memcpy((uint8_t *)dmp->dma.virt, from, transmit_length);
+	} else if (pmb->mbxCommand == MBX_READ_EVENT_LOG) {
+		struct READ_EVENT_LOG_VAR *rdEventLog =
+			&pmb->un.varRdEventLog ;
+		uint32_t receive_length = rdEventLog->rcv_bde64.tus.f.bdeSize;
+		uint32_t mode =	 bf_get(lpfc_event_log, rdEventLog);
+
+		/* receive length cannot be greater than mailbox
+		 * extension size
+		 */
+		if (receive_length > MAILBOX_EXT_SIZE) {
+			rc = -ERANGE;
+			goto job_done;
+		}
+
+		/* mode zero uses a bde like biu diags command */
+		if (mode == 0) {
+
+			/* rebuild the command for sli4 using our own buffers
+			* like we do for biu diags
+			*/
+
+			rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+			if (!rxbmp) {
+				rc = -ENOMEM;
+				goto job_done;
 			}
-			return  (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
+
+			rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			if (rxbpl) {
+				INIT_LIST_HEAD(&rxbmp->list);
+				dmp = diag_cmd_data_alloc(phba, rxbpl,
+					receive_length, 0);
+			}
+
+			if (!dmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&dmp->dma.list);
+			pmb->un.varWords[3] = putPaddrLow(dmp->dma.phys);
+			pmb->un.varWords[4] = putPaddrHigh(dmp->dma.phys);
 		}
+	} else if (phba->sli_rev == LPFC_SLI_REV4) {
+		if (pmb->mbxCommand == MBX_DUMP_MEMORY) {
+			/* rebuild the command for sli4 using our own buffers
+			* like we do for biu diags
+			*/
+			uint32_t receive_length = pmb->un.varWords[2];
+			/* receive length cannot be greater than mailbox
+			 * extension size
+			 */
+			if ((receive_length == 0) ||
+				(receive_length > MAILBOX_EXT_SIZE)) {
+				rc = -ERANGE;
+				goto job_done;
+			}
 
-		memcpy(mb, pmb, sizeof(*pmb));
-		job->reply->reply_payload_rcv_len =
-			sg_copy_from_buffer(job->reply_payload.sg_list,
-					job->reply_payload.sg_cnt,
-					mb, size);
-		kfree(dd_data);
-		kfree(mb);
-		mempool_free(pmboxq, phba->mbox_mem_pool);
-		/* not waiting mbox already done */
-		return 0;
+			rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+			if (!rxbmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+			if (!rxbmp->virt) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&rxbmp->list);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			dmp = diag_cmd_data_alloc(phba, rxbpl, receive_length,
+						0);
+			if (!dmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&dmp->dma.list);
+			pmb->un.varWords[3] = putPaddrLow(dmp->dma.phys);
+			pmb->un.varWords[4] = putPaddrHigh(dmp->dma.phys);
+		} else if ((pmb->mbxCommand == MBX_UPDATE_CFG) &&
+			pmb->un.varUpdateCfg.co) {
+			struct ulp_bde64 *bde =
+				(struct ulp_bde64 *)&pmb->un.varWords[4];
+
+			/* bde size cannot be greater than mailbox ext size */
+			if (bde->tus.f.bdeSize > MAILBOX_EXT_SIZE) {
+				rc = -ERANGE;
+				goto job_done;
+			}
+
+			rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+			if (!rxbmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys);
+			if (!rxbmp->virt) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&rxbmp->list);
+			rxbpl = (struct ulp_bde64 *) rxbmp->virt;
+			dmp = diag_cmd_data_alloc(phba, rxbpl,
+					bde->tus.f.bdeSize, 0);
+			if (!dmp) {
+				rc = -ENOMEM;
+				goto job_done;
+			}
+
+			INIT_LIST_HEAD(&dmp->dma.list);
+			bde->addrHigh = putPaddrHigh(dmp->dma.phys);
+			bde->addrLow = putPaddrLow(dmp->dma.phys);
+
+			/* copy the transmit data found in the mailbox
+			 * extension area
+			 */
+			from = (uint8_t *)mb;
+			from += sizeof(MAILBOX_t);
+			memcpy((uint8_t *)dmp->dma.virt, from,
+				bde->tus.f.bdeSize);
+		}
 	}
 
+	dd_data->context_un.mbox.rxbmp = rxbmp;
+	dd_data->context_un.mbox.dmp = dmp;
+
 	/* setup wake call as IOCB callback */
 	pmboxq->mbox_cmpl = lpfc_bsg_wake_mbox_wait;
+
 	/* setup context field to pass wait_queue pointer to wake function */
 	pmboxq->context1 = dd_data;
 	dd_data->type = TYPE_MBOX;
 	dd_data->context_un.mbox.pmboxq = pmboxq;
 	dd_data->context_un.mbox.mb = mb;
 	dd_data->context_un.mbox.set_job = job;
+	dd_data->context_un.mbox.ext = ext;
+	dd_data->context_un.mbox.mbOffset = mbox_req->mbOffset;
+	dd_data->context_un.mbox.inExtWLen = mbox_req->inExtWLen;
+	dd_data->context_un.mbox.outExtWLen = mbox_req->outExtWLen;
 	job->dd_data = dd_data;
+
+	if ((vport->fc_flag & FC_OFFLINE_MODE) ||
+	    (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) {
+		rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			rc = (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV;
+			goto job_done;
+		}
+
+		/* job finished, copy the data */
+		memcpy(mb, pmb, sizeof(*pmb));
+		job->reply->reply_payload_rcv_len =
+			sg_copy_from_buffer(job->reply_payload.sg_list,
+					job->reply_payload.sg_cnt,
+					mb, size);
+		/* not waiting mbox already done */
+		rc = 0;
+		goto job_done;
+	}
+
 	rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
-	if ((rc != MBX_SUCCESS) && (rc != MBX_BUSY)) {
-		kfree(dd_data);
-		kfree(mb);
+	if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY))
+		return 1; /* job started */
+
+job_done:
+	/* common exit for error or job completed inline */
+	kfree(mb);
+	if (pmboxq)
 		mempool_free(pmboxq, phba->mbox_mem_pool);
-		return -EIO;
+	kfree(ext);
+	if (dmp) {
+		dma_free_coherent(&phba->pcidev->dev,
+			dmp->size, dmp->dma.virt,
+				dmp->dma.phys);
+		kfree(dmp);
 	}
+	if (rxbmp) {
+		lpfc_mbuf_free(phba, rxbmp->virt, rxbmp->phys);
+		kfree(rxbmp);
+	}
+	kfree(dd_data);
 
-	return 1;
+	return rc;
 }
 
 /**
@@ -2633,7 +2971,12 @@ lpfc_bsg_mbox_cmd(struct fc_bsg_job *job)
 		goto job_error;
 	}
 
-	if (job->request_payload.payload_len != PAGE_SIZE) {
+	if (job->request_payload.payload_len != BSG_MBOX_SIZE) {
+		rc = -EINVAL;
+		goto job_error;
+	}
+
+	if (job->reply_payload.payload_len != BSG_MBOX_SIZE) {
 		rc = -EINVAL;
 		goto job_error;
 	}
@@ -3094,6 +3437,7 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
 		job->dd_data = NULL;
 		job->reply->reply_payload_rcv_len = 0;
 		job->reply->result = -EAGAIN;
+		/* the mbox completion handler can now be run */
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
 		job->job_done(job);
 		break;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index 5bc630819b9e..a2c33e7c9152 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -91,11 +91,12 @@ struct get_mgmt_rev_reply {
 	struct MgmtRevInfo info;
 };
 
+#define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
 struct dfc_mbox_req {
 	uint32_t command;
+	uint32_t mbOffset;
 	uint32_t inExtWLen;
 	uint32_t outExtWLen;
-	uint8_t mbOffset;
 };
 
 /* Used for menlo command or menlo data. The xri is only used for menlo data */
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 5087c4211b43..fbc9baeb6048 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -65,6 +65,7 @@ void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
 void lpfc_retry_pport_discovery(struct lpfc_hba *);
+void lpfc_release_rpi(struct lpfc_hba *, struct lpfc_vport *, uint16_t);
 
 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 2851d75ffc6f..36257a685509 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -38,6 +38,7 @@ enum lpfc_work_type {
 	LPFC_EVT_ELS_RETRY,
 	LPFC_EVT_DEV_LOSS,
 	LPFC_EVT_FASTPATH_MGMT_EVT,
+	LPFC_EVT_RESET_HBA,
 };
 
 /* structure used to queue event to the discovery tasklet */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 5fbdb22c1899..c4c7f0ad7468 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -584,6 +584,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			spin_unlock_irq(shost->host_lock);
 			lpfc_unreg_rpi(vport, np);
 		}
+		lpfc_cleanup_pending_mbox(vport);
 		if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 			lpfc_mbx_unreg_vpi(vport);
 			spin_lock_irq(shost->host_lock);
@@ -864,6 +865,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	}
 	spin_lock_irq(shost->host_lock);
 	vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+	vport->fc_flag &= ~FC_VPORT_LOGO_RCVD;
 	spin_unlock_irq(shost->host_lock);
 
 	/*
@@ -893,11 +895,14 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 
 		if (!rc) {
 			/* Mark the FCF discovery process done */
-			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",
-					 phba->fcf.current_rec.fcf_indx);
+			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",
+						phba->fcf.current_rec.fcf_indx);
 			spin_lock_irq(&phba->hbalock);
 			phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
 			spin_unlock_irq(&phba->hbalock);
@@ -5366,7 +5371,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
 			sizeof(struct lpfc_name));
 		pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
 			cmdiocbp->context2)->virt);
-		lsrjt_event.command = *pcmd;
+		lsrjt_event.command = (pcmd != NULL) ? *pcmd : 0;
 		stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]);
 		lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode;
 		lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp;
@@ -6050,7 +6055,8 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 			spin_lock_irq(shost->host_lock);
 			vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
 			spin_unlock_irq(shost->host_lock);
-			if (vport->port_type == LPFC_PHYSICAL_PORT)
+			if (vport->port_type == LPFC_PHYSICAL_PORT
+				&& !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
 				lpfc_initial_flogi(vport);
 			else
 				lpfc_initial_fdisc(vport);
@@ -6286,6 +6292,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	}
 	spin_lock_irq(shost->host_lock);
 	vport->fc_flag &= ~FC_VPORT_CVL_RCVD;
+	vport->fc_flag &= ~FC_VPORT_LOGO_RCVD;
 	vport->fc_flag |= FC_FABRIC;
 	if (vport->phba->fc_topology == TOPOLOGY_LOOP)
 		vport->f