diff options
author | James Smart <James.Smart@Emulex.Com> | 2008-01-11 06:52:48 (GMT) |
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committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-23 17:29:22 (GMT) |
commit | 13815c8344a238c204e4f4339b22dc4833c6df0f (patch) | |
tree | 207bb747f79221499c79a4eb29419921521ecb56 /drivers/scsi/lpfc/lpfc_init.c | |
parent | fa61a54e48efc8e5c7a6d4680ad8ceb74a5fca84 (diff) | |
download | linux-fsl-qoriq-13815c8344a238c204e4f4339b22dc4833c6df0f.tar.xz |
[SCSI] lpfc 8.2.4 : Add parameters to enable and disable heartbeat and hba resets
Add parameters to enable and disable heartbeat and hba resets
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_init.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index f32cd9a..c6b30a8 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -594,49 +594,50 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) } phba->elsbuf_prev_cnt = phba->elsbuf_cnt; - /* If there is no heart beat outstanding, issue a heartbeat command */ - if (!phba->hb_outstanding) { - pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); - if (!pmboxq) { - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - return; - } + if (phba->cfg_enable_hba_heartbeat) { + if (!phba->hb_outstanding) { + pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); + if (!pmboxq) { + mod_timer(&phba->hb_tmofunc, + jiffies + HZ * LPFC_HB_MBOX_INTERVAL); + return; + } - lpfc_heart_beat(phba, pmboxq); - pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; - pmboxq->vport = phba->pport; - retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); + lpfc_heart_beat(phba, pmboxq); + pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; + pmboxq->vport = phba->pport; + retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); - if (retval != MBX_BUSY && retval != MBX_SUCCESS) { - mempool_free(pmboxq, phba->mbox_mem_pool); + if (retval != MBX_BUSY && retval != MBX_SUCCESS) { + mempool_free(pmboxq, phba->mbox_mem_pool); + mod_timer(&phba->hb_tmofunc, + jiffies + HZ * LPFC_HB_MBOX_INTERVAL); + return; + } mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); + jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); + phba->hb_outstanding = 1; return; + } else { + /* + * If heart beat timeout called with hb_outstanding set + * we need to take the HBA offline. + */ + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0459 Adapter heartbeat failure, " + "taking this port offline.\n"); + + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + spin_unlock_irq(&phba->hbalock); + + lpfc_offline_prep(phba); + lpfc_offline(phba); + lpfc_unblock_mgmt_io(phba); + phba->link_state = LPFC_HBA_ERROR; + lpfc_hba_down_post(phba); } - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); - phba->hb_outstanding = 1; - return; - } else { - /* - * If heart beat timeout called with hb_outstanding set we - * need to take the HBA offline. - */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0459 Adapter heartbeat failure, taking " - "this port offline.\n"); - - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); - - lpfc_offline_prep(phba); - lpfc_offline(phba); - lpfc_unblock_mgmt_io(phba); - phba->link_state = LPFC_HBA_ERROR; - lpfc_hba_down_post(phba); } } @@ -665,6 +666,9 @@ lpfc_handle_eratt(struct lpfc_hba *phba) * since we cannot communicate with the pci card anyway. */ if (pci_channel_offline(phba->pcidev)) return; + /* If resets are disabled then leave the HBA alone and return */ + if (!phba->cfg_enable_hba_reset) + return; if (phba->work_hs & HS_FFER6 || phba->work_hs & HS_FFER5) { |