diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 92 |
1 files changed, 64 insertions, 28 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 62677da..dc0fd2e 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -549,12 +549,15 @@ lpfc_handle_eratt(struct lpfc_hba * phba) * There was a firmware error. Take the hba offline and then * attempt to restart it. */ + lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_sli_brdrestart(phba); if (lpfc_online(phba) == 0) { /* Initialize the HBA */ mod_timer(&phba->fc_estabtmo, jiffies + HZ * 60); + lpfc_unblock_mgmt_io(phba); return; } + lpfc_unblock_mgmt_io(phba); } else { /* The if clause above forces this code path when the status * failure is a value other than FFER6. Do not call the offline @@ -572,7 +575,9 @@ lpfc_handle_eratt(struct lpfc_hba * phba) SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + lpfc_offline_prep(phba); lpfc_offline(phba); + lpfc_unblock_mgmt_io(phba); phba->hba_state = LPFC_HBA_ERROR; lpfc_hba_down_post(phba); } @@ -1286,55 +1291,87 @@ lpfc_online(struct lpfc_hba * phba) "%d:0458 Bring Adapter online\n", phba->brd_no); - if (!lpfc_sli_queue_setup(phba)) + lpfc_block_mgmt_io(phba); + + if (!lpfc_sli_queue_setup(phba)) { + lpfc_unblock_mgmt_io(phba); return 1; + } - if (lpfc_sli_hba_setup(phba)) /* Initialize the HBA */ + if (lpfc_sli_hba_setup(phba)) { /* Initialize the HBA */ + lpfc_unblock_mgmt_io(phba); return 1; + } spin_lock_irq(phba->host->host_lock); phba->fc_flag &= ~FC_OFFLINE_MODE; spin_unlock_irq(phba->host->host_lock); + lpfc_unblock_mgmt_io(phba); return 0; } -int -lpfc_offline(struct lpfc_hba * phba) +void +lpfc_block_mgmt_io(struct lpfc_hba * phba) { - struct lpfc_sli_ring *pring; - struct lpfc_sli *psli; unsigned long iflag; - int i; - int cnt = 0; - if (!phba) - return 0; + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag |= FC_BLOCK_MGMT_IO; + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +void +lpfc_unblock_mgmt_io(struct lpfc_hba * phba) +{ + unsigned long iflag; + + spin_lock_irqsave(phba->host->host_lock, iflag); + phba->fc_flag &= ~FC_BLOCK_MGMT_IO; + spin_unlock_irqrestore(phba->host->host_lock, iflag); +} + +void +lpfc_offline_prep(struct lpfc_hba * phba) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + struct list_head *listp, *node_list[7]; + int i; if (phba->fc_flag & FC_OFFLINE_MODE) - return 0; + return; - psli = &phba->sli; + lpfc_block_mgmt_io(phba); lpfc_linkdown(phba); - lpfc_sli_flush_mbox_queue(phba); - for (i = 0; i < psli->num_rings; i++) { - pring = &psli->ring[i]; - /* The linkdown event takes 30 seconds to timeout. */ - while (pring->txcmplq_cnt) { - msleep(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; - } - } + /* Issue an unreg_login to all nodes */ + node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ + node_list[1] = &phba->fc_nlpmap_list; + node_list[2] = &phba->fc_nlpunmap_list; + node_list[3] = &phba->fc_prli_list; + node_list[4] = &phba->fc_reglogin_list; + node_list[5] = &phba->fc_adisc_list; + node_list[6] = &phba->fc_plogi_list; + for (i = 0; i < 7; i++) { + listp = node_list[i]; + if (list_empty(listp)) + continue; + + list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) + lpfc_unreg_rpi(phba, ndlp); } + lpfc_sli_flush_mbox_queue(phba); +} + +void +lpfc_offline(struct lpfc_hba * phba) +{ + unsigned long iflag; + + if (phba->fc_flag & FC_OFFLINE_MODE) + return; /* stop all timers associated with this hba */ lpfc_stop_timer(phba); @@ -1354,7 +1391,6 @@ lpfc_offline(struct lpfc_hba * phba) spin_lock_irqsave(phba->host->host_lock, iflag); phba->fc_flag |= FC_OFFLINE_MODE; spin_unlock_irqrestore(phba->host->host_lock, iflag); - return 0; } /****************************************************************************** |