diff options
Diffstat (limited to 'drivers/scsi/lpfc')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 9 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 89 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 65 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 59 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_mem.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 11 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 64 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 55 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_version.h | 2 |
12 files changed, 212 insertions, 154 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index f81691fcf17..d44f9aac6b8 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -21,10 +21,12 @@ struct lpfc_sli2_slim; -#define LPFC_MAX_TARGET 256 /* max targets supported */ -#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els req */ -#define LPFC_MAX_NS_RETRY 3 /* max NameServer retries */ +#define LPFC_MAX_TARGET 256 /* max number of targets supported */ +#define LPFC_MAX_DISC_THREADS 64 /* max outstanding discovery els + requests */ +#define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact + the NameServer before giving up. */ #define LPFC_DFT_HBA_Q_DEPTH 2048 /* max cmds per hba */ #define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */ #define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */ @@ -41,7 +43,6 @@ struct lpfc_sli2_slim; (( (u64)(high)<<16 ) << 16)|( (u64)(low)))) /* Provide maximum configuration definitions. */ #define LPFC_DRVR_TIMEOUT 16 /* driver iocb timeout value in sec */ -#define MAX_FCP_TARGET 256 /* max num of FCP targets supported */ #define FC_MAX_ADPTMSG 64 #define MAX_HBAEVT 32 diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index b62a72dfab2..5c68cdd8736 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -219,9 +219,19 @@ lpfc_issue_lip(struct Scsi_Host *host) return -ENOMEM; memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); - lpfc_init_link(phba, pmboxq, phba->cfg_topology, phba->cfg_link_speed); + pmboxq->mb.mbxCommand = MBX_DOWN_LINK; + pmboxq->mb.mbxOwner = OWN_HOST; + mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, phba->fc_ratov * 2); + if ((mbxstatus == MBX_SUCCESS) && (pmboxq->mb.mbxStatus == 0)) { + memset((void *)pmboxq, 0, sizeof (LPFC_MBOXQ_t)); + lpfc_init_link(phba, pmboxq, phba->cfg_topology, + phba->cfg_link_speed); + mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, + phba->fc_ratov * 2); + } + if (mbxstatus == MBX_TIMEOUT) pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; else @@ -233,51 +243,53 @@ lpfc_issue_lip(struct Scsi_Host *host) return 0; } -static ssize_t -lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) +static int +lpfc_selective_reset(struct lpfc_hba *phba) { - struct Scsi_Host *host = class_to_shost(cdev); - struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; - return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); + struct completion online_compl; + int status = 0; + + init_completion(&online_compl); + lpfc_workq_post_event(phba, &status, &online_compl, + LPFC_EVT_OFFLINE); + wait_for_completion(&online_compl); + + if (status != 0) + return -EIO; + + init_completion(&online_compl); + lpfc_workq_post_event(phba, &status, &online_compl, + LPFC_EVT_ONLINE); + wait_for_completion(&online_compl); + + if (status != 0) + return -EIO; + + return 0; } static ssize_t -lpfc_board_online_show(struct class_device *cdev, char *buf) +lpfc_issue_reset(struct class_device *cdev, const char *buf, size_t count) { struct Scsi_Host *host = class_to_shost(cdev); struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; + int status = -EINVAL; - if (phba->fc_flag & FC_OFFLINE_MODE) - return snprintf(buf, PAGE_SIZE, "0\n"); + if (strncmp(buf, "selective", sizeof("selective") - 1) == 0) + status = lpfc_selective_reset(phba); + + if (status == 0) + return strlen(buf); else - return snprintf(buf, PAGE_SIZE, "1\n"); + return status; } static ssize_t -lpfc_board_online_store(struct class_device *cdev, const char *buf, - size_t count) +lpfc_nport_evt_cnt_show(struct class_device *cdev, char *buf) { struct Scsi_Host *host = class_to_shost(cdev); struct lpfc_hba *phba = (struct lpfc_hba*)host->hostdata; - struct completion online_compl; - int val=0, status=0; - - if (sscanf(buf, "%d", &val) != 1) - return -EINVAL; - - init_completion(&online_compl); - - if (val) - lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_ONLINE); - else - lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_OFFLINE); - wait_for_completion(&online_compl); - if (!status) - return strlen(buf); - else - return -EIO; + return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); } static ssize_t @@ -532,10 +544,9 @@ static CLASS_DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); static CLASS_DEVICE_ATTR(management_version, S_IRUGO, management_version_show, NULL); -static CLASS_DEVICE_ATTR(board_online, S_IRUGO | S_IWUSR, - lpfc_board_online_show, lpfc_board_online_store); static CLASS_DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, lpfc_board_mode_show, lpfc_board_mode_store); +static CLASS_DEVICE_ATTR(issue_reset, S_IWUSR, NULL, lpfc_issue_reset); static int lpfc_poll = 0; module_param(lpfc_poll, int, 0); @@ -695,12 +706,12 @@ LPFC_ATTR(discovery_threads, 32, 1, 64, "Maximum number of ELS commands " "during discovery"); /* -# lpfc_max_luns: maximum number of LUNs per target driver will support -# Value range is [1,32768]. Default value is 256. -# NOTE: The SCSI layer will scan each target for this many luns +# lpfc_max_luns: maximum allowed LUN. +# Value range is [0,65535]. Default value is 255. +# NOTE: The SCSI layer might probe all allowed LUN on some old targets. */ -LPFC_ATTR_R(max_luns, 256, 1, 32768, - "Maximum number of LUNs per target driver will support"); +LPFC_ATTR_R(max_luns, 255, 0, 65535, + "Maximum allowed LUN"); /* # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring. @@ -739,8 +750,8 @@ struct class_device_attribute *lpfc_host_attrs[] = { &class_device_attr_lpfc_max_luns, &class_device_attr_nport_evt_cnt, &class_device_attr_management_version, - &class_device_attr_board_online, &class_device_attr_board_mode, + &class_device_attr_issue_reset, &class_device_attr_lpfc_poll, &class_device_attr_lpfc_poll_tmo, NULL, diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index ee22173fce4..517e9e4dd46 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -147,6 +147,7 @@ int lpfc_sli_hba_setup(struct lpfc_hba *); int lpfc_sli_hba_down(struct lpfc_hba *); int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); int lpfc_sli_handle_mb_event(struct lpfc_hba *); +int lpfc_sli_flush_mbox_queue(struct lpfc_hba *); int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *, struct lpfc_sli_ring *, uint32_t); void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 4126fd87956..b89f6cb641e 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -648,33 +648,32 @@ lpfc_more_plogi(struct lpfc_hba * phba) } static struct lpfc_nodelist * -lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, +lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_dmabuf *prsp, struct lpfc_nodelist *ndlp) { struct lpfc_nodelist *new_ndlp; - struct lpfc_dmabuf *pcmd, *prsp; uint32_t *lp; struct serv_parm *sp; uint8_t name[sizeof (struct lpfc_name)]; uint32_t rc; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - prsp = (struct lpfc_dmabuf *) pcmd->list.next; lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + memset(name, 0, sizeof (struct lpfc_name)); /* Now we to find out if the NPort we are logging into, matches the WWPN * we have for that ndlp. If not, we have some work to do. */ new_ndlp = lpfc_findnode_wwpn(phba, NLP_SEARCH_ALL, &sp->portName); - memset(name, 0, sizeof (struct lpfc_name)); - rc = memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)); - if (!rc || (new_ndlp == ndlp)) { + if (new_ndlp == ndlp) return ndlp; - } if (!new_ndlp) { + rc = + memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)); + if (!rc) + return ndlp; new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); if (!new_ndlp) return ndlp; @@ -683,17 +682,21 @@ lpfc_plogi_confirm_nport(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } lpfc_unreg_rpi(phba, new_ndlp); - new_ndlp->nlp_prev_state = ndlp->nlp_state; new_ndlp->nlp_DID = ndlp->nlp_DID; - new_ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, new_ndlp, NLP_PLOGI_LIST); + new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; + new_ndlp->nlp_state = ndlp->nlp_state; + lpfc_nlp_list(phba, new_ndlp, ndlp->nlp_flag & NLP_LIST_MASK); /* Move this back to NPR list */ - lpfc_unreg_rpi(phba, ndlp); - ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - + if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + else { + lpfc_unreg_rpi(phba, ndlp); + ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ + ndlp->nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + } return new_ndlp; } @@ -703,6 +706,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, { IOCB_t *irsp; struct lpfc_nodelist *ndlp; + struct lpfc_dmabuf *prsp; int disc, rc, did, type; @@ -769,7 +773,10 @@ lpfc_cmpl_els_plogi(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, } } else { /* Good status, call state machine */ - ndlp = lpfc_plogi_confirm_nport(phba, cmdiocb, ndlp); + prsp = list_entry(((struct lpfc_dmabuf *) + cmdiocb->context2)->list.next, + struct lpfc_dmabuf, list); + ndlp = lpfc_plogi_confirm_nport(phba, prsp, ndlp); rc = lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_PLOGI); } @@ -3282,10 +3289,9 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba) } else lpfc_sli_release_iocbq(phba, piocb); } - if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) { - phba->els_tmofunc.expires = jiffies + HZ * timeout; - add_timer(&phba->els_tmofunc); - } + if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) + mod_timer(&phba->els_tmofunc, jiffies + HZ * timeout); + spin_unlock_irq(phba->host->host_lock); } @@ -3442,6 +3448,8 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { ndlp->nlp_type |= NLP_FABRIC; } + ndlp->nlp_state = NLP_STE_UNUSED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); } phba->fc_stat.elsRcvFrame++; @@ -3463,13 +3471,14 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, rjt_err = 1; break; } + ndlp = lpfc_plogi_confirm_nport(phba, mp, ndlp); lpfc_disc_state_machine(phba, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); break; case ELS_CMD_FLOGI: phba->fc_stat.elsRcvFLOGI++; lpfc_els_rcv_flogi(phba, elsiocb, ndlp, newnode); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; case ELS_CMD_LOGO: @@ -3492,7 +3501,7 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, phba->fc_stat.elsRcvRSCN++; lpfc_els_rcv_rscn(phba, elsiocb, ndlp, newnode); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; case ELS_CMD_ADISC: @@ -3535,28 +3544,28 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, phba->fc_stat.elsRcvLIRR++; lpfc_els_rcv_lirr(phba, elsiocb, ndlp); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; case ELS_CMD_RPS: phba->fc_stat.elsRcvRPS++; lpfc_els_rcv_rps(phba, elsiocb, ndlp); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; case ELS_CMD_RPL: phba->fc_stat.elsRcvRPL++; lpfc_els_rcv_rpl(phba, elsiocb, ndlp); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; case ELS_CMD_RNID: phba->fc_stat.elsRcvRNID++; lpfc_els_rcv_rnid(phba, elsiocb, ndlp); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; default: @@ -3568,7 +3577,7 @@ lpfc_els_unsol_event(struct lpfc_hba * phba, "%d:0115 Unknown ELS command x%x received from " "NPORT x%x\n", phba->brd_no, cmd, did); if (newnode) { - mempool_free( ndlp, phba->nlp_mem_pool); + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); } break; } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index adb086009ae..4d6cf990c4f 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1084,7 +1084,7 @@ lpfc_register_remote_port(struct lpfc_hba * phba, fc_remote_port_rolechg(rport, rport_ids.roles); if ((rport->scsi_target_id != -1) && - (rport->scsi_target_id < MAX_FCP_TARGET)) { + (rport->scsi_target_id < LPFC_MAX_TARGET)) { ndlp->nlp_sid = rport->scsi_target_id; } @@ -1313,7 +1313,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) if ((rport_add == mapped) && ((!nlp->rport) || (nlp->rport->scsi_target_id == -1) || - (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) { + (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) { nlp->nlp_state = NLP_STE_UNMAPPED_NODE; spin_lock_irq(phba->host->host_lock); nlp->nlp_flag |= NLP_TGT_NO_SCSIID; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 81755a3f7c6..ef47b824cbe 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -71,6 +71,7 @@ lpfc_config_port_prep(struct lpfc_hba * phba) uint16_t offset = 0; static char licensed[56] = "key unlock for use with gnu public licensed code only\0"; + static int init_key = 1; pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { @@ -82,10 +83,13 @@ lpfc_config_port_prep(struct lpfc_hba * phba) phba->hba_state = LPFC_INIT_MBX_CMDS; if (lpfc_is_LC_HBA(phba->pcidev->device)) { - uint32_t *ptext = (uint32_t *) licensed; + if (init_key) { + uint32_t *ptext = (uint32_t *) licensed; - for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) - *ptext = cpu_to_be32(*ptext); + for (i = 0; i < 56; i += sizeof (uint32_t), ptext++) + *ptext = cpu_to_be32(*ptext); + init_key = 0; + } lpfc_read_nv(phba, pmb); memset((char*)mb->un.varRDnvp.rsvd3, 0, @@ -405,19 +409,26 @@ lpfc_config_port_post(struct lpfc_hba * phba) } /* MBOX buffer will be freed in mbox compl */ - i = 0; + return (0); +} + +static int +lpfc_discovery_wait(struct lpfc_hba *phba) +{ + int i = 0; + while ((phba->hba_state != LPFC_HBA_READY) || (phba->num_disc_nodes) || (phba->fc_prli_sent) || ((phba->fc_map_cnt == 0) && (i<2)) || - (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE)) { + (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE)) { /* Check every second for 30 retries. */ i++; if (i > 30) { - break; + return -ETIMEDOUT; } if ((i >= 15) && (phba->hba_state <= LPFC_LINK_DOWN)) { /* The link is down. Set linkdown timeout */ - break; + return -ETIMEDOUT; } /* Delay for 1 second to give discovery time to complete. */ @@ -425,12 +436,7 @@ lpfc_config_port_post(struct lpfc_hba * phba) } - /* Since num_disc_nodes keys off of PLOGI, delay a bit to let - * any potential PRLIs to flush thru the SLI sub-system. - */ - msleep(50); - - return (0); + return 0; } /************************************************************************/ @@ -1339,7 +1345,8 @@ lpfc_offline(struct lpfc_hba * phba) struct lpfc_sli_ring *pring; struct lpfc_sli *psli; unsigned long iflag; - int i = 0; + int i; + int cnt = 0; if (!phba) return 0; @@ -1348,17 +1355,27 @@ lpfc_offline(struct lpfc_hba * phba) return 0; psli = &phba->sli; - pring = &psli->ring[psli->fcp_ring]; lpfc_linkdown(phba); + lpfc_sli_flush_mbox_queue(phba); - /* The linkdown event takes 30 seconds to timeout. */ - while (pring->txcmplq_cnt) { - mdelay(10); - if (i++ > 3000) - break; + for (i = 0; i < psli->num_rings; i++) { + pring = &psli->ring[i]; + /* The linkdown event takes 30 seconds to timeout. */ + while (pring->txcmplq_cnt) { + mdelay(10); + if (cnt++ > 3000) { + lpfc_printf_log(phba, + KERN_WARNING, LOG_INIT, + "%d:0466 Outstanding IO when " + "bringing Adapter offline\n", + phba->brd_no); + break; + } + } } + /* stop all timers associated with this hba */ lpfc_stop_timer(phba); phba->work_hba_events = 0; @@ -1639,6 +1656,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_free_irq; } + lpfc_discovery_wait(phba); + if (phba->cfg_poll & DISABLE_FCP_RING_INT) { spin_lock_irq(phba->host->host_lock); lpfc_poll_start_timer(phba); diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 07017658ac5..066292d3995 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -133,6 +133,11 @@ lpfc_mem_free(struct lpfc_hba * phba) pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool); pci_pool_destroy(phba->lpfc_mbuf_pool); + + /* Free the iocb lookup array */ + kfree(psli->iocbq_lookup); + psli->iocbq_lookup = NULL; + } void * diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 27d60ad897c..bd0b0e293d6 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1110,6 +1110,17 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, phba->brd_no, did, mb->mbxStatus, phba->hba_state); + /* + * If RegLogin failed due to lack of HBA resources do not + * retry discovery. + */ + if (mb->mbxStatus == MBXERR_RPI_FULL) { + ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; + ndlp->nlp_state = NLP_STE_UNUSED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + return ndlp->nlp_state; + } + /* Put ndlp in npr list set plogi timer for 1 sec */ mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); spin_lock_irq(phba->host->host_lock); diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index aea1ee472f3..a760a44173d 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -153,22 +153,6 @@ static void lpfc_release_scsi_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) { unsigned long iflag = 0; - /* - * There are only two special cases to consider. (1) the scsi command - * requested scatter-gather usage or (2) the scsi command allocated - * a request buffer, but did not request use_sg. There is a third - * case, but it does not require resource deallocation. - */ - if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) { - dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer, - psb->seg_cnt, psb->pCmd->sc_data_direction); - } else { - if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) { - dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys, - psb->pCmd->request_bufflen, - psb->pCmd->sc_data_direction); - } - } spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag); psb->pCmd = NULL; @@ -282,6 +266,27 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd) } static void +lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) +{ + /* + * There are only two special cases to consider. (1) the scsi command + * requested scatter-gather usage or (2) the scsi command allocated + * a request buffer, but did not request use_sg. There is a third + * case, but it does not require resource deallocation. + */ + if ((psb->seg_cnt > 0) && (psb->pCmd->use_sg)) { + dma_unmap_sg(&phba->pcidev->dev, psb->pCmd->request_buffer, + psb->seg_cnt, psb->pCmd->sc_data_direction); + } else { + if ((psb->nonsg_phys) && (psb->pCmd->request_bufflen)) { + dma_unmap_single(&phba->pcidev->dev, psb->nonsg_phys, + psb->pCmd->request_bufflen, + psb->pCmd->sc_data_direction); + } + } +} + +static void lpfc_handle_fcp_err(struct lpfc_scsi_buf *lpfc_cmd) { struct scsi_cmnd *cmnd = lpfc_cmd->pCmd; @@ -454,6 +459,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, cmd->scsi_done(cmd); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } @@ -511,6 +517,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } } + lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); lpfc_release_scsi_buf(phba, lpfc_cmd); } @@ -609,6 +616,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd, static int lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd, + unsigned int lun, uint8_t task_mgmt_cmd) { struct lpfc_sli *psli; @@ -627,8 +635,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, piocb = &piocbq->iocb; fcp_cmnd = lpfc_cmd->fcp_cmnd; - int_to_scsilun(lpfc_cmd->pCmd->device->lun, - &lpfc_cmd->fcp_cmnd->fcp_lun); + int_to_scsilun(lun, &lpfc_cmd->fcp_cmnd->fcp_lun); fcp_cmnd->fcpCntl2 = task_mgmt_cmd; piocb->ulpCommand = CMD_FCP_ICMND64_CR; @@ -655,14 +662,16 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba, static int lpfc_scsi_tgt_reset(struct lpfc_scsi_buf * lpfc_cmd, struct lpfc_hba * phba, - unsigned tgt_id, struct lpfc_rport_data *rdata) + unsigned tgt_id, unsigned int lun, + struct lpfc_rport_data *rdata) { struct lpfc_iocbq *iocbq; struct lpfc_iocbq *iocbqrsp; int ret; lpfc_cmd->rdata = rdata; - ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_TARGET_RESET); + ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, lun, + FCP_TARGET_RESET); if (!ret) return FAILED; @@ -822,6 +831,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) return 0; out_host_busy_free_buf: + lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); lpfc_release_scsi_buf(phba, lpfc_cmd); out_host_busy: return SCSI_MLQUEUE_HOST_BUSY; @@ -969,12 +979,12 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) if (lpfc_cmd == NULL) goto out; - lpfc_cmd->pCmd = cmnd; lpfc_cmd->timeout = 60; lpfc_cmd->scsi_hba = phba; lpfc_cmd->rdata = rdata; - ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, FCP_LUN_RESET); + ret = lpfc_scsi_prep_task_mgmt_cmd(phba, lpfc_cmd, cmnd->device->lun, + FCP_LUN_RESET); if (!ret) goto out_free_scsi_buf; @@ -1001,7 +1011,6 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) cmd_status = iocbqrsp->iocb.ulpStatus; lpfc_sli_release_iocbq(phba, iocbqrsp); - lpfc_release_scsi_buf(phba, lpfc_cmd); /* * All outstanding txcmplq I/Os should have been aborted by the device. @@ -1040,6 +1049,8 @@ lpfc_reset_lun_handler(struct scsi_cmnd *cmnd) } out_free_scsi_buf: + lpfc_release_scsi_buf(phba, lpfc_cmd); + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0713 SCSI layer issued LUN reset (%d, %d) " "Data: x%x x%x x%x\n", @@ -1070,7 +1081,6 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) /* The lpfc_cmd storage is reused. Set all loop invariants. */ lpfc_cmd->timeout = 60; - lpfc_cmd->pCmd = cmnd; lpfc_cmd->scsi_hba = phba; /* @@ -1078,7 +1088,7 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) * targets known to the driver. Should any target reset * fail, this routine returns failure to the midlayer. */ - for (i = 0; i < MAX_FCP_TARGET; i++) { + for (i = 0; i < LPFC_MAX_TARGET; i++) { /* Search the mapped list for this target ID */ match = 0; list_for_each_entry(ndlp, &phba->fc_nlpmap_list, nlp_listp) { @@ -1090,8 +1100,8 @@ lpfc_reset_bus_handler(struct scsi_cmnd *cmnd) if (!match) continue; - ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba, - i, ndlp->rport->dd_data); + ret = lpfc_scsi_tgt_reset(lpfc_cmd, phba, i, cmnd->device->lun, + ndlp->rport->dd_data); if (ret != SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_FCP, "%d:0713 Bus Reset on target %d failed\n", diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index bb69a7a1ec5..350a625fa22 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -191,35 +191,12 @@ static int lpfc_sli_ringtxcmpl_put(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, struct lpfc_iocbq * piocb) { - uint16_t iotag; - list_add_tail(&piocb->list, &pring->txcmplq); pring->txcmplq_cnt++; if (unlikely(pring->ringno == LPFC_ELS_RING)) mod_timer(&phba->els_tmofunc, jiffies + HZ * (phba->fc_ratov << 1)); - if (pring->fast_lookup) { - /* Setup fast lookup based on iotag for completion */ - iotag = piocb->iocb.ulpIoTag; - if (iotag && (iotag < pring->fast_iotag)) - *(pring->fast_lookup + iotag) = piocb; - else { - - /* Cmd ring <ringno> put: iotag <iotag> greater then - configured max <fast_iotag> wd0 <icmd> */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_SLI, - "%d:0316 Cmd ring %d put: iotag x%x " - "greater then configured max x%x " - "wd0 x%x\n", - phba->brd_no, - pring->ringno, iotag, - pring->fast_iotag, - *(((uint32_t *)(&piocb->iocb)) + 7)); - } - } return (0); } @@ -601,7 +578,7 @@ lpfc_sli_handle_mb_event(struct lpfc_hba * phba) /* Stray Mailbox Interrupt, mbxCommand <cmd> mbxStatus <status> */ lpfc_printf_log(phba, - KERN_ERR, + KERN_WARNING, LOG_MBOX | LOG_SLI, "%d:0304 Stray Mailbox Interrupt " "mbxCommand x%x mbxStatus x%x\n", @@ -1570,8 +1547,8 @@ lpfc_sli_brdready(struct lpfc_hba * phba, uint32_t mask) void lpfc_reset_barrier(struct lpfc_hba * phba) { - uint32_t * resp_buf; - uint32_t * mbox_buf; + uint32_t __iomem *resp_buf; + uint32_t __iomem *mbox_buf; volatile uint32_t mbox; uint32_t hc_copy; int i; @@ -1587,7 +1564,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba) * Tell the other part of the chip to suspend temporarily all * its DMA activity. */ - resp_buf = (uint32_t *)phba->MBslimaddr; + resp_buf = phba->MBslimaddr; /* Disable the error attention */ hc_copy = readl(phba->HCregaddr); @@ -1605,7 +1582,7 @@ void lpfc_reset_barrier(struct lpfc_hba * phba) ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); - mbox_buf = (uint32_t *)phba->MBslimaddr; + mbox_buf = phba->MBslimaddr; writel(mbox, mbox_buf); for (i = 0; @@ -1805,7 +1782,7 @@ lpfc_sli_brdrestart(struct lpfc_hba * phba) skip_post = 0; word0 = 0; /* This is really setting up word1 */ } - to_slim = (uint8_t *) phba->MBslimaddr + sizeof (uint32_t); + to_slim = phba->MBslimaddr + sizeof (uint32_t); writel(*(uint32_t *) mb, to_slim); readl(to_slim); /* flush */ @@ -2659,8 +2636,6 @@ lpfc_sli_hba_down(struct lpfc_hba * phba) INIT_LIST_HEAD(&(pring->txq)); - kfree(pring->fast_lookup); - pring->fast_lookup = NULL; } spin_unlock_irqrestore(phba->host->host_lock, flags); @@ -3110,6 +3085,24 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, return retval; } +int +lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) +{ + int i = 0; + + while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !phba->stopped) { + if (i++ > LPFC_MBOX_TMO * 1000) + return 1; + + if (lpfc_sli_handle_mb_event(phba) == 0) + i = 0; + + msleep(1); + } + + return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; +} + irqreturn_t lpfc_intr_handler(int irq, void *dev_id, struct pt_regs * regs) { diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index a52d6c6cf08..d8ef0d2894d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -135,8 +135,6 @@ struct lpfc_sli_ring { uint32_t fast_iotag; /* max fastlookup based iotag */ uint32_t iotag_ctr; /* keeps track of the next iotag to use */ uint32_t iotag_max; /* max iotag value to use */ - struct lpfc_iocbq ** fast_lookup; /* array of IOCB ptrs indexed by - iotag */ struct list_head txq; uint16_t txq_cnt; /* current length of queue */ uint16_t txq_max; /* max length */ diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 6b737568b83..10e89c6ae82 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 "8.1.6" +#define LPFC_DRIVER_VERSION "8.1.7" #define LPFC_DRIVER_NAME "lpfc" |