From: James Smart Date: Wed, 15 Dec 2010 22:57:20 +0000 (-0500) Subject: [SCSI] lpfc 8.3.20: Critical fixes X-Git-Tag: firefly_0821_release~7613^2~2673^2~28 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=be858b65cf9701e75bc49ed38c56e5b51ff281cd;p=firefly-linux-kernel-4.4.55.git [SCSI] lpfc 8.3.20: Critical fixes - Use for iocbq->context1 to hold the ndlp pointer. - Set ndlp in all iocbs generated from ioctl functions. - Turn parity and serr bits back on after performing sli4 board reset. Signed-off-by: Alex Iannicelli Signed-off-by: James Smart Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 50dbfc8018f6..3330d7951b42 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; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 752601509549..7509de2f4566 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -871,11 +871,9 @@ __lpfc_sli_get_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) if (piocbq->iocb_flag & LPFC_IO_FCP) { lpfc_cmd = (struct lpfc_scsi_buf *) piocbq->context1; ndlp = lpfc_cmd->rdata->pnode; - } else if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) + } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && + !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) ndlp = piocbq->context_un.ndlp; - else if (piocbq->iocb.ulpCommand == CMD_XMIT_BLS_RSP64_CX) - ndlp = lpfc_findnode_did(piocbq->vport, - piocbq->iocb.ulpContext); else ndlp = piocbq->context1; @@ -3855,12 +3853,6 @@ lpfc_sli4_brdreset(struct lpfc_hba *phba) phba->pport->fc_myDID = 0; phba->pport->fc_prevDID = 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))); - spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~(LPFC_PROCESS_LA); phba->fcf.fcf_flag = 0; @@ -3880,9 +3872,18 @@ lpfc_sli4_brdreset(struct lpfc_hba *phba) /* Now physically reset the device */ lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0389 Performing PCI function reset!\n"); + + /* 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))); + /* Perform FCoE PCI function reset */ lpfc_pci_function_reset(phba); + /* Restore PCI cmd register */ + pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); + return 0; } @@ -11969,6 +11970,7 @@ lpfc_sli4_seq_abort_acc(struct lpfc_hba *phba, icmd->ulpLe = 1; icmd->ulpClass = CLASS3; icmd->ulpContext = ndlp->nlp_rpi; + ctiocb->context1 = ndlp; ctiocb->iocb_cmpl = NULL; ctiocb->vport = phba->pport;