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: (147 commits)
  [SCSI] arcmsr: fix write to device check
  [SCSI] lpfc: lower stack use in lpfc_fc_frame_check
  [SCSI] eliminate an unnecessary local variable from scsi_remove_target()
  [SCSI] libiscsi: use bh locking instead of irq with session lock
  [SCSI] libiscsi: do not take host lock in queuecommand
  [SCSI] be2iscsi: fix null ptr when accessing task hdr
  [SCSI] be2iscsi: fix gfp use in alloc_pdu
  [SCSI] libiscsi: add more informative failure message during iscsi scsi eh
  [SCSI] gdth: Add missing call to gdth_ioctl_free
  [SCSI] bfa: remove unused defintions and misc cleanups
  [SCSI] bfa: remove inactive functions
  [SCSI] bfa: replace bfa_assert with WARN_ON
  [SCSI] qla2xxx: Use sg_next to fetch next sg element while walking sg list.
  [SCSI] qla2xxx: Fix to avoid recursive lock failure during BSG timeout.
  [SCSI] qla2xxx: Remove code to not reset ISP82xx on failure.
  [SCSI] qla2xxx: Display mailbox register 4 during 8012 AEN for ISP82XX parts.
  [SCSI] qla2xxx: Don't perform a BIG_HAMMER if Get-ID (0x20) mailbox command fails on CNAs.
  [SCSI] qla2xxx: Remove redundant module parameter permission bits
  [SCSI] qla2xxx: Add sysfs node for displaying board temperature.
  [SCSI] qla2xxx: Code cleanup to remove unwanted comments and code.
  ...

1 files changed, 24 insertions, 41 deletions

diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 7260c3af555..0dd43bb9161 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -162,7 +162,6 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba,
 			struct lpfc_iocbq *cmdiocbq,
 			struct lpfc_iocbq *rspiocbq)
 {
-	unsigned long iflags;
 	struct bsg_job_data *dd_data;
 	struct fc_bsg_job *job;
 	IOCB_t *rsp;
@@ -173,9 +172,10 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba,
 	int rc = 0;
 
 	spin_lock_irqsave(&phba->ct_ev_lock, flags);
-	dd_data = cmdiocbq->context1;
+	dd_data = cmdiocbq->context2;
 	if (!dd_data) {
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+		lpfc_sli_release_iocbq(phba, cmdiocbq);
 		return;
 	}
 
@@ -183,17 +183,9 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba,
 	job = iocb->set_job;
 	job->dd_data = NULL; /* so timeout handler does not reply */
 
-	spin_lock_irqsave(&phba->hbalock, iflags);
-	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, iflags);
-
 	bmp = iocb->bmp;
-	rspiocbq = iocb->rspiocbq;
 	rsp = &rspiocbq->iocb;
-	ndlp = iocb->ndlp;
+	ndlp = cmdiocbq->context1;
 
 	pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
 		     job->request_payload.sg_cnt, DMA_TO_DEVICE);
@@ -220,7 +212,6 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba,
 			rsp->un.genreq64.bdl.bdeSize;
 
 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
-	lpfc_sli_release_iocbq(phba, rspiocbq);
 	lpfc_sli_release_iocbq(phba, cmdiocbq);
 	lpfc_nlp_put(ndlp);
 	kfree(bmp);
@@ -247,9 +238,7 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
 	struct ulp_bde64 *bpl = NULL;
 	uint32_t timeout;
 	struct lpfc_iocbq *cmdiocbq = NULL;
-	struct lpfc_iocbq *rspiocbq = NULL;
 	IOCB_t *cmd;
-	IOCB_t *rsp;
 	struct lpfc_dmabuf *bmp = NULL;
 	int request_nseg;
 	int reply_nseg;
@@ -296,17 +285,10 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
 	}
 
 	cmd = &cmdiocbq->iocb;
-	rspiocbq = lpfc_sli_get_iocbq(phba);
-	if (!rspiocbq) {
-		rc = -ENOMEM;
-		goto free_cmdiocbq;
-	}
-
-	rsp = &rspiocbq->iocb;
 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
 	if (!bmp->virt) {
 		rc = -ENOMEM;
-		goto free_rspiocbq;
+		goto free_cmdiocbq;
 	}
 
 	INIT_LIST_HEAD(&bmp->list);
@@ -358,14 +340,12 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
 	cmd->ulpTimeout = timeout;
 
 	cmdiocbq->iocb_cmpl = lpfc_bsg_send_mgmt_cmd_cmp;
-	cmdiocbq->context1 = dd_data;
-	cmdiocbq->context2 = rspiocbq;
+	cmdiocbq->context1 = ndlp;
+	cmdiocbq->context2 = dd_data;
 	dd_data->type = TYPE_IOCB;
 	dd_data->context_un.iocb.cmdiocbq = cmdiocbq;
-	dd_data->context_un.iocb.rspiocbq = rspiocbq;
 	dd_data->context_un.iocb.set_job = job;
 	dd_data->context_un.iocb.bmp = bmp;
-	dd_data->context_un.iocb.ndlp = ndlp;
 
 	if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
 		creg_val = readl(phba->HCregaddr);
@@ -391,8 +371,6 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
 
 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
 
-free_rspiocbq:
-	lpfc_sli_release_iocbq(phba, rspiocbq);
 free_cmdiocbq:
 	lpfc_sli_release_iocbq(phba, cmdiocbq);
 free_bmp:
@@ -1220,7 +1198,7 @@ lpfc_issue_ct_rsp_cmp(struct lpfc_hba *phba,
 	int rc = 0;
 
 	spin_lock_irqsave(&phba->ct_ev_lock, flags);
-	dd_data = cmdiocbq->context1;
+	dd_data = cmdiocbq->context2;
 	/* normal completion and timeout crossed paths, already done */
 	if (!dd_data) {
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
@@ -1369,8 +1347,8 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct fc_bsg_job *job, uint32_t tag,
 	ctiocb->context3 = bmp;
 
 	ctiocb->iocb_cmpl = lpfc_issue_ct_rsp_cmp;
-	ctiocb->context1 = dd_data;
-	ctiocb->context2 = NULL;
+	ctiocb->context2 = dd_data;
+	ctiocb->context1 = ndlp;
 	dd_data->type = TYPE_IOCB;
 	dd_data->context_un.iocb.cmdiocbq = ctiocb;
 	dd_data->context_un.iocb.rspiocbq = NULL;
@@ -1641,7 +1619,7 @@ job_error:
  * This function obtains a remote port login id so the diag loopback test
  * can send and receive its own unsolicited CT command.
  **/
-static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t * rpi)
+static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t *rpi)
 {
 	LPFC_MBOXQ_t *mbox;
 	struct lpfc_dmabuf *dmabuff;
@@ -1651,10 +1629,14 @@ static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t * rpi)
 	if (!mbox)
 		return -ENOMEM;
 
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		*rpi = lpfc_sli4_alloc_rpi(phba);
 	status = lpfc_reg_rpi(phba, 0, phba->pport->fc_myDID,
-				(uint8_t *)&phba->pport->fc_sparam, mbox, 0);
+			      (uint8_t *)&phba->pport->fc_sparam, mbox, *rpi);
 	if (status) {
 		mempool_free(mbox, phba->mbox_mem_pool);
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			lpfc_sli4_free_rpi(phba, *rpi);
 		return -ENOMEM;
 	}
 
@@ -1668,6 +1650,8 @@ static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t * rpi)
 		kfree(dmabuff);
 		if (status != MBX_TIMEOUT)
 			mempool_free(mbox, phba->mbox_mem_pool);
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			lpfc_sli4_free_rpi(phba, *rpi);
 		return -ENODEV;
 	}
 
@@ -1704,8 +1688,9 @@ static int lpfcdiag_loop_self_unreg(struct lpfc_hba *phba, uint16_t rpi)
 			mempool_free(mbox, phba->mbox_mem_pool);
 		return -EIO;
 	}
-
 	mempool_free(mbox, phba->mbox_mem_pool);
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		lpfc_sli4_free_rpi(phba, rpi);
 	return 0;
 }
 
@@ -2102,7 +2087,7 @@ lpfc_bsg_diag_test(struct fc_bsg_job *job)
 	uint32_t size;
 	uint32_t full_size;
 	size_t segment_len = 0, segment_offset = 0, current_offset = 0;
-	uint16_t rpi;
+	uint16_t rpi = 0;
 	struct lpfc_iocbq *cmdiocbq, *rspiocbq;
 	IOCB_t *cmd, *rsp;
 	struct lpfc_sli_ct_request *ctreq;
@@ -2162,7 +2147,7 @@ lpfc_bsg_diag_test(struct fc_bsg_job *job)
 		goto loopback_test_exit;
 	}
 
-	if (size >= BUF_SZ_4K) {
+	if (full_size >= BUF_SZ_4K) {
 		/*
 		 * Allocate memory for ioctl data. If buffer is bigger than 64k,
 		 * then we allocate 64k and re-use that buffer over and over to
@@ -2171,7 +2156,7 @@ lpfc_bsg_diag_test(struct fc_bsg_job *job)
 		 * problem with GET_FCPTARGETMAPPING...
 		 */
 		if (size <= (64 * 1024))
-			total_mem = size;
+			total_mem = full_size;
 		else
 			total_mem = 64 * 1024;
 	} else
@@ -2189,7 +2174,6 @@ lpfc_bsg_diag_test(struct fc_bsg_job *job)
 	sg_copy_to_buffer(job->request_payload.sg_list,
 				job->request_payload.sg_cnt,
 				ptr, size);
-
 	rc = lpfcdiag_loop_self_reg(phba, &rpi);
 	if (rc)
 		goto loopback_test_exit;
@@ -2601,12 +2585,11 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 			phba->wait_4_mlo_maint_flg = 1;
 		} else if (mb->un.varWords[0] == SETVAR_MLORST) {
 			phba->link_flag &= ~LS_LOOPBACK_MODE;
-			phba->fc_topology = TOPOLOGY_PT_PT;
+			phba->fc_topology = LPFC_TOPOLOGY_PT_PT;
 		}
 		break;
 	case MBX_READ_SPARM64:
-	case MBX_READ_LA:
-	case MBX_READ_LA64:
+	case MBX_READ_TOPOLOGY:
 	case MBX_REG_LOGIN:
 	case MBX_REG_LOGIN64:
 	case MBX_CONFIG_PORT: