diff options
| author | James Smart <James.Smart@Emulex.Com> | 2006-07-06 15:50:43 -0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-07-09 10:48:38 -0500 |
| commit | b4c026520ff0a4cb838a941bb0ed8996075e3d8c (patch) | |
| tree | c280062f59f802cfbc92d967e54cdd0191ce4e36 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | ce8b3ce55bb0bd9318954efab0f714b088178978 (diff) | |
[SCSI] lpfc 8.1.7: Add lpfc_sli_flush_mbox_queue() function
Add lpfc_sli_flush_mbox_queue() function and use it in lpfc_offline() call
to avoid deadlock on thread block.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 8193a384a9fb..c441e37eb053 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -578,7 +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", @@ -3085,6 +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) { |