diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 665 |
1 files changed, 569 insertions, 96 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 554efa6623f4..a359d2b873ce 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -513,8 +513,344 @@ __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) } /** + * __lpfc_set_rrq_active - set RRQ active bit in the ndlp's xri_bitmap. + * @phba: Pointer to HBA context object. + * @ndlp: nodelist pointer for this target. + * @xritag: xri used in this exchange. + * @rxid: Remote Exchange ID. + * @send_rrq: Flag used to determine if we should send rrq els cmd. + * + * This function is called with hbalock held. + * The active bit is set in the ndlp's active rrq xri_bitmap. Allocates an + * rrq struct and adds it to the active_rrq_list. + * + * returns 0 for rrq slot for this xri + * < 0 Were not able to get rrq mem or invalid parameter. + **/ +static int +__lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + uint16_t xritag, uint16_t rxid, uint16_t send_rrq) +{ + uint16_t adj_xri; + struct lpfc_node_rrq *rrq; + int empty; + + /* + * set the active bit even if there is no mem available. + */ + adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base; + if (!ndlp) + return -EINVAL; + if (test_and_set_bit(adj_xri, ndlp->active_rrqs.xri_bitmap)) + return -EINVAL; + rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); + if (rrq) { + rrq->send_rrq = send_rrq; + rrq->xritag = xritag; + rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); + rrq->ndlp = ndlp; + rrq->nlp_DID = ndlp->nlp_DID; + rrq->vport = ndlp->vport; + rrq->rxid = rxid; + empty = list_empty(&phba->active_rrq_list); + if (phba->cfg_enable_rrq && send_rrq) + /* + * We need the xri before we can add this to the + * phba active rrq list. + */ + rrq->send_rrq = send_rrq; + else + rrq->send_rrq = 0; + list_add_tail(&rrq->list, &phba->active_rrq_list); + if (!(phba->hba_flag & HBA_RRQ_ACTIVE)) { + phba->hba_flag |= HBA_RRQ_ACTIVE; + if (empty) + lpfc_worker_wake_up(phba); + } + return 0; + } + return -ENOMEM; +} + +/** + * __lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. + * @phba: Pointer to HBA context object. + * @xritag: xri used in this exchange. + * @rrq: The RRQ to be cleared. + * + * This function is called with hbalock held. This function + **/ +static void +__lpfc_clr_rrq_active(struct lpfc_hba *phba, + uint16_t xritag, + struct lpfc_node_rrq *rrq) +{ + uint16_t adj_xri; + struct lpfc_nodelist *ndlp; + + ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); + + /* The target DID could have been swapped (cable swap) + * we should use the ndlp from the findnode if it is + * available. + */ + if (!ndlp) + ndlp = rrq->ndlp; + + adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base; + if (test_and_clear_bit(adj_xri, ndlp->active_rrqs.xri_bitmap)) { + rrq->send_rrq = 0; + rrq->xritag = 0; + rrq->rrq_stop_time = 0; + } + mempool_free(rrq, phba->rrq_pool); +} + +/** + * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. + * @phba: Pointer to HBA context object. + * + * This function is called with hbalock held. This function + * Checks if stop_time (ratov from setting rrq active) has + * been reached, if it has and the send_rrq flag is set then + * it will call lpfc_send_rrq. If the send_rrq flag is not set + * then it will just call the routine to clear the rrq and + * free the rrq resource. + * The timer is set to the next rrq that is going to expire before + * leaving the routine. + * + **/ +void +lpfc_handle_rrq_active(struct lpfc_hba *phba) +{ + struct lpfc_node_rrq *rrq; + struct lpfc_node_rrq *nextrrq; + unsigned long next_time; + unsigned long iflags; + + spin_lock_irqsave(&phba->hbalock, iflags); + phba->hba_flag &= ~HBA_RRQ_ACTIVE; + next_time = jiffies + HZ * (phba->fc_ratov + 1); + list_for_each_entry_safe(rrq, nextrrq, + &phba->active_rrq_list, list) { + if (time_after(jiffies, rrq->rrq_stop_time)) { + list_del(&rrq->list); + if (!rrq->send_rrq) + /* this call will free the rrq */ + __lpfc_clr_rrq_active(phba, rrq->xritag, rrq); + else { + /* if we send the rrq then the completion handler + * will clear the bit in the xribitmap. + */ + spin_unlock_irqrestore(&phba->hbalock, iflags); + if (lpfc_send_rrq(phba, rrq)) { + lpfc_clr_rrq_active(phba, rrq->xritag, + rrq); + } + spin_lock_irqsave(&phba->hbalock, iflags); + } + } else if (time_before(rrq->rrq_stop_time, next_time)) + next_time = rrq->rrq_stop_time; + } + spin_unlock_irqrestore(&phba->hbalock, iflags); + if (!list_empty(&phba->active_rrq_list)) + mod_timer(&phba->rrq_tmr, next_time); +} + +/** + * lpfc_get_active_rrq - Get the active RRQ for this exchange. + * @vport: Pointer to vport context object. + * @xri: The xri used in the exchange. + * @did: The targets DID for this exchange. + * + * returns NULL = rrq not found in the phba->active_rrq_list. + * rrq = rrq for this xri and target. + **/ +struct lpfc_node_rrq * +lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_node_rrq *rrq; + struct lpfc_node_rrq *nextrrq; + unsigned long iflags; + + if (phba->sli_rev != LPFC_SLI_REV4) + return NULL; + spin_lock_irqsave(&phba->hbalock, iflags); + list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { + if (rrq->vport == vport && rrq->xritag == xri && + rrq->nlp_DID == did){ + list_del(&rrq->list); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return rrq; + } + } + spin_unlock_irqrestore(&phba->hbalock, iflags); + return NULL; +} + +/** + * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. + * @vport: Pointer to vport context object. + * + * Remove all active RRQs for this vport from the phba->active_rrq_list and + * clear the rrq. + **/ +void +lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport) + +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_node_rrq *rrq; + struct lpfc_node_rrq *nextrrq; + unsigned long iflags; + + if (phba->sli_rev != LPFC_SLI_REV4) + return; + spin_lock_irqsave(&phba->hbalock, iflags); + list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { + if (rrq->vport == vport) { + list_del(&rrq->list); + __lpfc_clr_rrq_active(phba, rrq->xritag, rrq); + } + } + spin_unlock_irqrestore(&phba->hbalock, iflags); +} + +/** + * lpfc_cleanup_wt_rrqs - Remove all rrq's from the active list. + * @phba: Pointer to HBA context object. + * + * Remove all rrqs from the phba->active_rrq_list and free them by + * calling __lpfc_clr_active_rrq + * + **/ +void +lpfc_cleanup_wt_rrqs(struct lpfc_hba *phba) +{ + struct lpfc_node_rrq *rrq; + struct lpfc_node_rrq *nextrrq; + unsigned long next_time; + unsigned long iflags; + + if (phba->sli_rev != LPFC_SLI_REV4) + return; + spin_lock_irqsave(&phba->hbalock, iflags); + phba->hba_flag &= ~HBA_RRQ_ACTIVE; + next_time = jiffies + HZ * (phba->fc_ratov * 2); + list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { + list_del(&rrq->list); + __lpfc_clr_rrq_active(phba, rrq->xritag, rrq); + } + spin_unlock_irqrestore(&phba->hbalock, iflags); + if (!list_empty(&phba->active_rrq_list)) + mod_timer(&phba->rrq_tmr, next_time); +} + + +/** + * __lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. + * @phba: Pointer to HBA context object. + * @ndlp: Targets nodelist pointer for this exchange. + * @xritag the xri in the bitmap to test. + * + * This function is called with hbalock held. This function + * returns 0 = rrq not active for this xri + * 1 = rrq is valid for this xri. + **/ +static int +__lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + uint16_t xritag) +{ + uint16_t adj_xri; + + adj_xri = xritag - phba->sli4_hba.max_cfg_param.xri_base; + if (!ndlp) + return 0; + if (test_bit(adj_xri, ndlp->active_rrqs.xri_bitmap)) + return 1; + else + return 0; +} + +/** + * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. + * @phba: Pointer to HBA context object. + * @ndlp: nodelist pointer for this target. + * @xritag: xri used in this exchange. + * @rxid: Remote Exchange ID. + * @send_rrq: Flag used to determine if we should send rrq els cmd. + * + * This function takes the hbalock. + * The active bit is always set in the active rrq xri_bitmap even + * if there is no slot avaiable for the other rrq information. + * + * returns 0 rrq actived for this xri + * < 0 No memory or invalid ndlp. + **/ +int +lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + uint16_t xritag, uint16_t rxid, uint16_t send_rrq) +{ + int ret; + unsigned long iflags; + + spin_lock_irqsave(&phba->hbalock, iflags); + ret = __lpfc_set_rrq_active(phba, ndlp, xritag, rxid, send_rrq); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return ret; +} + +/** + * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. + * @phba: Pointer to HBA context object. + * @xritag: xri used in this exchange. + * @rrq: The RRQ to be cleared. + * + * This function is takes the hbalock. + **/ +void +lpfc_clr_rrq_active(struct lpfc_hba *phba, + uint16_t xritag, + struct lpfc_node_rrq *rrq) +{ + unsigned long iflags; + + spin_lock_irqsave(&phba->hbalock, iflags); + __lpfc_clr_rrq_active(phba, xritag, rrq); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return; +} + + + +/** + * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. + * @phba: Pointer to HBA context object. + * @ndlp: Targets nodelist pointer for this exchange. + * @xritag the xri in the bitmap to test. + * + * This function takes the hbalock. + * returns 0 = rrq not active for this xri + * 1 = rrq is valid for this xri. + **/ +int +lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, + uint16_t xritag) +{ + int ret; + unsigned long iflags; + + spin_lock_irqsave(&phba->hbalock, iflags); + ret = __lpfc_test_rrq_active(phba, ndlp, xritag); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return ret; +} + +/** * __lpfc_sli_get_sglq - Allocates an iocb object from sgl pool * @phba: Pointer to HBA context object. + * @piocb: Pointer to the iocbq. * * This function is called with hbalock held. This function * Gets a new driver sglq object from the sglq list. If the @@ -522,17 +858,51 @@ __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) * allocated sglq object else it returns NULL. **/ static struct lpfc_sglq * -__lpfc_sli_get_sglq(struct lpfc_hba *phba) +__lpfc_sli_get_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) { struct list_head *lpfc_sgl_list = &phba->sli4_hba.lpfc_sgl_list; struct lpfc_sglq *sglq = NULL; + struct lpfc_sglq *start_sglq = NULL; uint16_t adj_xri; + struct lpfc_scsi_buf *lpfc_cmd; + struct lpfc_nodelist *ndlp; + int found = 0; + + 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) && + !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) + ndlp = piocbq->context_un.ndlp; + else + ndlp = piocbq->context1; + list_remove_head(lpfc_sgl_list, sglq, struct lpfc_sglq, list); - if (!sglq) - return NULL; - adj_xri = sglq->sli4_xritag - phba->sli4_hba.max_cfg_param.xri_base; - phba->sli4_hba.lpfc_sglq_active_list[adj_xri] = sglq; - sglq->state = SGL_ALLOCATED; + start_sglq = sglq; + while (!found) { + if (!sglq) + return NULL; + adj_xri = sglq->sli4_xritag - + phba->sli4_hba.max_cfg_param.xri_base; + if (__lpfc_test_rrq_active(phba, ndlp, sglq->sli4_xritag)) { + /* This xri has an rrq outstanding for this DID. + * put it back in the list and get another xri. + */ + list_add_tail(&sglq->list, lpfc_sgl_list); + sglq = NULL; + list_remove_head(lpfc_sgl_list, sglq, + struct lpfc_sglq, list); + if (sglq == start_sglq) { + sglq = NULL; + break; + } else + continue; + } + sglq->ndlp = ndlp; + found = 1; + phba->sli4_hba.lpfc_sglq_active_list[adj_xri] = sglq; + sglq->state = SGL_ALLOCATED; + } return sglq; } @@ -598,6 +968,7 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) &phba->sli4_hba.abts_sgl_list_lock, iflag); } else { sglq->state = SGL_FREED; + sglq->ndlp = NULL; list_add(&sglq->list, &phba->sli4_hba.lpfc_sgl_list); /* Check if TXQ queue needs to be serviced */ @@ -1634,7 +2005,6 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_READ_LNK_STAT: case MBX_REG_LOGIN: case MBX_UNREG_LOGIN: - case MBX_READ_LA: case MBX_CLEAR_LA: case MBX_DUMP_MEMORY: case MBX_DUMP_CONTEXT: @@ -1656,7 +2026,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_READ_SPARM64: case MBX_READ_RPI64: case MBX_REG_LOGIN64: - case MBX_READ_LA64: + case MBX_READ_TOPOLOGY: case MBX_WRITE_WWN: case MBX_SET_DEBUG: case MBX_LOAD_EXP_ROM: @@ -1746,11 +2116,6 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) kfree(mp); } - if ((pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) && - (phba->sli_rev == LPFC_SLI_REV4) && - (pmb->u.mb.un.varUnregLogin.rsvd1 == 0x0)) - lpfc_sli4_free_rpi(phba, pmb->u.mb.un.varUnregLogin.rpi); - /* * If a REG_LOGIN succeeded after node is destroyed or node * is in re-discovery driver need to cleanup the RPI. @@ -3483,12 +3848,6 @@ 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; @@ -3508,9 +3867,18 @@ 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; } @@ -4317,6 +4685,10 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) struct lpfc_vport *vport = phba->pport; struct lpfc_dmabuf *mp; + /* + * TODO: Why does this routine execute these task in a different + * order from probe? + */ /* Perform a PCI function reset to start from clean */ rc = lpfc_pci_function_reset(phba); if (unlikely(rc)) @@ -4357,13 +4729,16 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) } rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); - if (unlikely(rc)) - goto out_free_vpd; - + if (unlikely(rc)) { + kfree(vpd); + goto out_free_mbox; + } mqe = &mboxq->u.mqe; phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) - phba->hba_flag |= HBA_FCOE_SUPPORT; + phba->hba_flag |= HBA_FCOE_MODE; + else + phba->hba_flag &= ~HBA_FCOE_MODE; if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == LPFC_DCBX_CEE_MODE) @@ -4372,13 +4747,14 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) phba->hba_flag &= ~HBA_FIP_SUPPORT; if (phba->sli_rev != LPFC_SLI_REV4 || - !(phba->hba_flag & HBA_FCOE_SUPPORT)) { + !(phba->hba_flag & HBA_FCOE_MODE)) { lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, "0376 READ_REV Error. SLI Level %d " "FCoE enabled %d\n", - phba->sli_rev, phba->hba_flag & HBA_FCOE_SUPPORT); + phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); rc = -EIO; - goto out_free_vpd; + kfree(vpd); + goto out_free_mbox; } /* * Evaluate the read rev and vpd data. Populate the driver @@ -4392,6 +4768,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) "Using defaults.\n", rc); rc = 0; } + kfree(vpd); /* Save information as VPD data */ phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; @@ -4428,7 +4805,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); if (unlikely(rc)) { rc = -EIO; - goto out_free_vpd; + goto out_free_mbox; } /* @@ -4476,7 +4853,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) if (rc) { phba->link_state = LPFC_HBA_ERROR; rc = -ENOMEM; - goto out_free_vpd; + goto out_free_mbox; } mboxq->vport = vport; @@ -4501,7 +4878,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) rc, bf_get(lpfc_mqe_status, mqe)); phba->link_state = LPFC_HBA_ERROR; rc = -EIO; - goto out_free_vpd; + goto out_free_mbox; } if (phba->cfg_soft_wwnn) @@ -4526,7 +4903,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) "0582 Error %d during sgl post operation\n", rc); rc = -ENODEV; - goto out_free_vpd; + goto out_free_mbox; } /* Register SCSI SGL pool to the device */ @@ -4538,7 +4915,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) /* Some Scsi buffers were moved to the abort scsi list */ /* A pci function reset will repost them */ rc = -ENODEV; - goto out_free_vpd; + goto out_free_mbox; } /* Post the rpi header region to the device. */ @@ -4548,7 +4925,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) "0393 Error %d during rpi post operation\n", rc); rc = -ENODEV; - goto out_free_vpd; + goto out_free_mbox; } /* Set up all the queues to the device */ @@ -4608,33 +4985,33 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) } } + if (!(phba->hba_flag & HBA_FCOE_MODE)) { + /* + * The FC Port needs to register FCFI (index 0) + */ + lpfc_reg_fcfi(phba, mboxq); + mboxq->vport = phba->pport; + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); + if (rc == MBX_SUCCESS) + rc = 0; + else + goto out_unset_queue; + } /* * The port is ready, set the host's link state to LINK_DOWN * in preparation for link interrupts. */ - lpfc_init_link(phba, mboxq, phba->cfg_topology, phba->cfg_link_speed); - mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - lpfc_set_loopback_flag(phba); - /* Change driver state to LPFC_LINK_DOWN right before init link */ spin_lock_irq(&phba->hbalock); phba->link_state = LPFC_LINK_DOWN; spin_unlock_irq(&phba->hbalock); - rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); - if (unlikely(rc != MBX_NOT_FINISHED)) { - kfree(vpd); - return 0; - } else - rc = -EIO; - + rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); +out_unset_queue: /* Unset all the queues set up in this routine when error out */ if (rc) lpfc_sli4_queue_unset(phba); - out_stop_timers: if (rc) lpfc_stop_hba_timers(phba); -out_free_vpd: - kfree(vpd); out_free_mbox: mempool_free(mboxq, phba->mbox_mem_pool); return rc; @@ -5863,6 +6240,8 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, IOCB_t *icmd; int numBdes = 0; int i = 0; + uint32_t offset = 0; /* accumulated offset in the sg request list */ + int inbound = 0; /* number of sg reply entries inbound from firmware */ if (!piocbq || !sglq) return xritag; @@ -5897,6 +6276,20 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, */ bde.tus.w = le32_to_cpu(bpl->tus.w); sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); + /* The offsets in the sgl need to be accumulated + * separately for the request and reply lists. + * The request is always first, the reply follows. + */ + if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { + /* add up the reply sg entries */ + if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) + inbound++; + /* first inbound? reset the offset */ + if (inbound == 1) + offset = 0; + bf_set(lpfc_sli4_sge_offset, sgl, offset); + offset += bde.tus.f.bdeSize; + } bpl++; sgl++; } @@ -6028,11 +6421,6 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(els_req64_vf, &wqe->els_req, 0); /* And a VFID for word 12 */ bf_set(els_req64_vfid, &wqe->els_req, 0); - /* - * Set ct field to 3, indicates that the context_tag field - * contains the FCFI and remote N_Port_ID is - * in word 5. - */ ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, iocbq->iocb.ulpContext); @@ -6140,6 +6528,18 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_ebde_cnt, &wqe->fcp_icmd.wqe_com, 0); break; case CMD_GEN_REQUEST64_CR: + /* For this command calculate the xmit length of the + * request bde. + */ + xmit_len = 0; + numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / + sizeof(struct ulp_bde64); + for (i = 0; i < numBdes; i++) { + if (bpl[i].tus.f.bdeFlags != BUFF_TYPE_BDE_64) + break; + bde.tus.w = le32_to_cpu(bpl[i].tus.w); + xmit_len += bde.tus.f.bdeSize; + } /* word3 iocb=IO_TAG wqe=request_payload_len */ wqe->gen_req.request_payload_len = xmit_len; /* word4 iocb=parameter wqe=relative_offset memcpy */ @@ -6320,7 +6720,7 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, return IOCB_BUSY; } } else { - sglq = __lpfc_sli_get_sglq(phba); + sglq = __lpfc_sli_get_sglq(phba, piocb); if (!sglq) { if (!(flag & SLI_IOCB_RET_IOCB)) { __lpfc_sli_ringtx_put(phba, @@ -8033,29 +8433,66 @@ static int lpfc_sli4_eratt_read(struct lpfc_hba *phba) { uint32_t uerr_sta_hi, uerr_sta_lo; + uint32_t if_type, portsmphr; + struct lpfc_register portstat_reg; - /* For now, use the SLI4 device internal unrecoverable error + /* + * For now, use the SLI4 device internal unrecoverable error * registers for error attention. This can be changed later. */ - uerr_sta_lo = readl(phba->sli4_hba.UERRLOregaddr); - uerr_sta_hi = readl(phba->sli4_hba.UERRHIregaddr); - if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || - (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { + if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); + switch (if_type) { + case LPFC_SLI_INTF_IF_TYPE_0: + uerr_sta_lo = readl(phba->sli4_hba.u.if_type0.UERRLOregaddr); + uerr_sta_hi = readl(phba->sli4_hba.u.if_type0.UERRHIregaddr); + if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || + (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1423 HBA Unrecoverable error: " + "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " + "ue_mask_lo_reg=0x%x, " + "ue_mask_hi_reg=0x%x\n", + uerr_sta_lo, uerr_sta_hi, + phba->sli4_hba.ue_mask_lo, + phba->sli4_hba.ue_mask_hi); + phba->work_status[0] = uerr_sta_lo; + phba->work_status[1] = uerr_sta_hi; + phba->work_ha |= HA_ERATT; + phba->hba_flag |= HBA_ERATT_HANDLED; + return 1; + } + break; + case LPFC_SLI_INTF_IF_TYPE_2: + portstat_reg.word0 = + readl(phba->sli4_hba.u.if_type2.STATUSregaddr); + portsmphr = readl(phba->sli4_hba.PSMPHRregaddr); + if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { + phba->work_status[0] = + readl(phba->sli4_hba.u.if_type2.ERR1regaddr); + phba->work_status[1] = + readl(phba->sli4_hba.u.if_type2.ERR2regaddr); + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "2885 Port Error Detected: " + "port status reg 0x%x, " + "port smphr reg 0x%x, " + "error 1=0x%x, error 2=0x%x\n", + portstat_reg.word0, + portsmphr, + phba->work_status[0], + phba->work_status[1]); + phba->work_ha |= HA_ERATT; + phba->hba_flag |= HBA_ERATT_HANDLED; + return 1; + } + break; + case LPFC_SLI_INTF_IF_TYPE_1: + default: lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1423 HBA Unrecoverable error: " - "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " - "ue_mask_lo_reg=0x%x, ue_mask_hi_reg=0x%x\n", - uerr_sta_lo, uerr_sta_hi, - phba->sli4_hba.ue_mask_lo, - phba->sli4_hba.ue_mask_hi); - phba->work_status[0] = uerr_sta_lo; - phba->work_status[1] = uerr_sta_hi; - /* Set the driver HA work bitmap */ - phba->work_ha |= HA_ERATT; - /* Indicate polling handles this ERATT */ - phba->hba_flag |= HBA_ERATT_HANDLED; + "2886 HBA Error Attention on unsupported " + "if type %d.", if_type); return 1; } + return 0; } @@ -8110,7 +8547,7 @@ lpfc_sli_check_eratt(struct lpfc_hba *phba) ha_copy = lpfc_sli_eratt_read(phba); break; case LPFC_SLI_REV4: - /* Read devcie Uncoverable Error (UERR) registers */ + /* Read device Uncoverable Error (UERR) registers */ ha_copy = lpfc_sli4_eratt_read(phba); break; default: @@ -9735,7 +10172,7 @@ lpfc_sli4_intr_handler(int irq, void *dev_id) * lpfc_sli4_queue_free - free a queue structure and associated memory * @queue: The queue structure to free. * - * This function frees a queue structure and the DMAable memeory used for + * This function frees a queue structure and the DMAable memory used for * the host resident queue. This function must be called after destroying the * queue on the HBA. **/ @@ -10155,16 +10592,20 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, length, LPFC_SLI4_MBX_EMBED); mq_create_ext = &mbox->u.mqe.un.mq_create_ext; - bf_set(lpfc_mbx_mq_create_ext_num_pages, &mq_create_ext->u.request, - mq->page_count); - bf_set(lpfc_mbx_mq_create_ext_async_evt_link, &mq_create_ext->u.request, - 1); - bf_set(lpfc_mbx_mq_create_ext_async_evt_fcfste, + bf_set(lpfc_mbx_mq_create_ext_num_pages, + &mq_create_ext->u.request, mq->page_count); + bf_set(lpfc_mbx_mq_create_ext_async_evt_link, + &mq_create_ext->u.request, 1); + bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, &mq_create_ext->u.request, 1); bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, &mq_create_ext->u.request, 1); - bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, - cq->queue_id); + bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, + &mq_create_ext->u.request, 1); + bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, + &mq_create_ext->u.request, 1); + bf_set(lpfc_mq_context_cq_id, + &mq_create_ext->u.request.context, cq->queue_id); bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); switch (mq->entry_count) { default: @@ -11137,7 +11578,8 @@ lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, struct list_head *sblist, static int lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) { - char *rctl_names[] = FC_RCTL_NAMES_INIT; + /* make rctl_names static to save stack space */ + static char *rctl_names[] = FC_RCTL_NAMES_INIT; char *type_names[] = FC_TYPE_NAMES_INIT; struct fc_vft_header *fc_vft_hdr; @@ -11538,6 +11980,10 @@ lpfc_sli4_seq_abort_acc(struct lpfc_hba *phba, "SID:x%x\n", oxid, sid); return; } + if (rxid >= phba->sli4_hba.max_cfg_param.xri_base + && rxid <= (phba->sli4_hba.max_cfg_param.max_xri + + phba->sli4_hba.max_cfg_param.xri_base)) + lpfc_set_rrq_active(phba, ndlp, rxid, oxid, 0); /* Allocate buffer for acc iocb */ ctiocb = lpfc_sli_get_iocbq(phba); @@ -11560,6 +12006,7 @@ 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; @@ -12129,42 +12576,37 @@ lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp) /** * lpfc_sli4_init_vpi - Initialize a vpi with the port - * @phba: pointer to lpfc hba data structure. - * @vpi: vpi value to activate with the port. + * @vport: Pointer to the vport for which the vpi is being initialized * - * This routine is invoked to activate a vpi with the - * port when the host intends to use vports with a - * nonzero vpi. + * This routine is invoked to activate a vpi with the port. * * Returns: * 0 success * -Evalue otherwise **/ int -lpfc_sli4_init_vpi(struct lpfc_hba *phba, uint16_t vpi) +lpfc_sli4_init_vpi(struct lpfc_vport *vport) { LPFC_MBOXQ_t *mboxq; int rc = 0; int retval = MBX_SUCCESS; uint32_t mbox_tmo; - - if (vpi == 0) - return -EINVAL; + struct lpfc_hba *phba = vport->phba; mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mboxq) return -ENOMEM; - lpfc_init_vpi(phba, mboxq, vpi); + lpfc_init_vpi(phba, mboxq, vport->vpi); mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_INIT_VPI); rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); if (rc != MBX_SUCCESS) { - lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, "2022 INIT VPI Mailbox failed " "status %d, mbxStatus x%x\n", rc, bf_get(lpfc_mqe_status, &mboxq->u.mqe)); retval = -EIO; } if (rc != MBX_TIMEOUT) - mempool_free(mboxq, phba->mbox_mem_pool); + mempool_free(mboxq, vport->phba->mbox_mem_pool); return retval; } @@ -12854,6 +13296,7 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) struct lpfc_nodelist *act_mbx_ndlp = NULL; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); LIST_HEAD(mbox_cmd_list); + uint8_t restart_loop; /* Clean up internally queued mailbox commands with the vport */ spin_lock_irq(&phba->hbalock); @@ -12882,15 +13325,44 @@ lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) mb->mbox_flag |= LPFC_MBX_IMED_UNREG; } } + /* Cleanup any mailbox completions which are not yet processed */ + do { + restart_loop = 0; + list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { + /* + * If this mailox is already processed or it is + * for another vport ignore it. + */ + if ((mb->vport != vport) || + (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) + continue; + + if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && + (mb->u.mb.mbxCommand != MBX_REG_VPI)) + continue; + + mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { + ndlp = (struct lpfc_nodelist *)mb->context2; + /* Unregister the RPI when mailbox complete */ + mb->mbox_flag |= LPFC_MBX_IMED_UNREG; + restart_loop = 1; + spin_unlock_irq(&phba->hbalock); + spin_lock(shost->host_lock); + ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; + spin_unlock(shost->host_lock); + spin_lock_irq(&phba->hbalock); + break; + } + } + } while (restart_loop); + spin_unlock_irq(&phba->hbalock); /* Release the cleaned-up mailbox commands */ while (!list_empty(&mbox_cmd_list)) { list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { - if (phba->sli_rev == LPFC_SLI_REV4) - __lpfc_sli4_free_rpi(phba, - mb->u.mb.un.varRegLogin.rpi); mp = (struct lpfc_dmabuf *) (mb->context1); if (mp) { __lpfc_mbuf_free(phba, mp->virt, mp->phys); @@ -12948,12 +13420,13 @@ lpfc_drain_txq(struct lpfc_hba *phba) while (pring->txq_cnt) { spin_lock_irqsave(&phba->hbalock, iflags); - sglq = __lpfc_sli_get_sglq(phba); + piocbq = lpfc_sli_ringtx_get(phba, pring); + sglq = __lpfc_sli_get_sglq(phba, piocbq); if (!sglq) { + __lpfc_sli_ringtx_put(phba, pring, piocbq); spin_unlock_irqrestore(&phba->hbalock, iflags); break; } else { - piocbq = lpfc_sli_ringtx_get(phba, pring); if (!piocbq) { /* The txq_cnt out of sync. This should * never happen |