diff options
| -rw-r--r-- | drivers/scsi/ipr.c | 51 | ||||
| -rw-r--r-- | drivers/scsi/ipr.h | 3 |
2 files changed, 42 insertions, 12 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index b62836ddbbee..238efab90bf2 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -8277,6 +8277,42 @@ static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) return IPR_RC_JOB_RETURN; } +static int ipr_dump_mailbox_wait(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + + ENTER; + + if (ioa_cfg->sdt_state != GET_DUMP) + return IPR_RC_JOB_RETURN; + + if (!ioa_cfg->sis64 || !ipr_cmd->u.time_left || + (readl(ioa_cfg->regs.sense_interrupt_reg) & + IPR_PCII_MAILBOX_STABLE)) { + + if (!ipr_cmd->u.time_left) + dev_err(&ioa_cfg->pdev->dev, + "Timed out waiting for Mailbox register.\n"); + + ioa_cfg->sdt_state = READ_DUMP; + ioa_cfg->dump_timeout = 0; + if (ioa_cfg->sis64) + ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); + else + ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); + ipr_cmd->job_step = ipr_reset_wait_for_dump; + schedule_work(&ioa_cfg->work_q); + + } else { + ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; + ipr_reset_start_timer(ipr_cmd, + IPR_CHECK_FOR_RESET_TIMEOUT); + } + + LEAVE; + return IPR_RC_JOB_RETURN; +} + /** * ipr_reset_restore_cfg_space - Restore PCI config space. * @ipr_cmd: ipr command struct @@ -8326,20 +8362,11 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) if (ioa_cfg->in_ioa_bringdown) { ipr_cmd->job_step = ipr_ioa_bringdown_done; + } else if (ioa_cfg->sdt_state == GET_DUMP) { + ipr_cmd->job_step = ipr_dump_mailbox_wait; + ipr_cmd->u.time_left = IPR_WAIT_FOR_MAILBOX; } else { ipr_cmd->job_step = ipr_reset_enable_ioa; - - if (GET_DUMP == ioa_cfg->sdt_state) { - ioa_cfg->sdt_state = READ_DUMP; - ioa_cfg->dump_timeout = 0; - if (ioa_cfg->sis64) - ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); - else - ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); - ipr_cmd->job_step = ipr_reset_wait_for_dump; - schedule_work(&ioa_cfg->work_q); - return IPR_RC_JOB_RETURN; - } } LEAVE; diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index e4fb17a58649..69257c4540a9 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -279,6 +279,9 @@ #define IPR_IPL_INIT_STAGE_TIME_MASK 0x0000ffff #define IPR_PCII_IPL_STAGE_CHANGE (0x80000000 >> 0) +#define IPR_PCII_MAILBOX_STABLE (0x80000000 >> 4) +#define IPR_WAIT_FOR_MAILBOX (2 * HZ) + #define IPR_PCII_IOA_TRANS_TO_OPER (0x80000000 >> 0) #define IPR_PCII_IOARCB_XFER_FAILED (0x80000000 >> 3) #define IPR_PCII_IOA_UNIT_CHECKED (0x80000000 >> 4) |
