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| author | Brian King <brking@linux.vnet.ibm.com> | 2007-04-26 16:00:12 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-06 09:33:19 -0500 |
| commit | 65f5647544960a68030352015d0b4a6234a818f8 (patch) | |
| tree | e862690a950706a514c3bb25012f8353db11dfe1 /drivers/scsi/ipr.c | |
| parent | 8a048994f4be7d0b670a358cea7812c6d5232105 (diff) | |
| download | kernel_samsung_crespo-65f5647544960a68030352015d0b4a6234a818f8.zip kernel_samsung_crespo-65f5647544960a68030352015d0b4a6234a818f8.tar.gz kernel_samsung_crespo-65f5647544960a68030352015d0b4a6234a818f8.tar.bz2 | |
[SCSI] ipr: Handle IOA reset request
In ipr dual adapter configurations, the ipr adapter firmware
may require an adapter reset for various reasons. The reset
is requested by the adapter firmware logging an error with
an IOASC of 0x02048000. Add support to log this error, and
reset the adapter.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/ipr.c')
| -rw-r--r-- | drivers/scsi/ipr.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index d871dd3..393eda1 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -206,6 +206,8 @@ struct ipr_error_table_t ipr_error_table[] = { "8009: Impending cache battery pack failure"}, {0x02040400, 0, 0, "34FF: Disk device format in progress"}, + {0x02048000, 0, IPR_DEFAULT_LOG_LEVEL, + "9070: IOA requested reset"}, {0x023F0000, 0, 0, "Synchronization required"}, {0x024E0000, 0, 0, @@ -1672,12 +1674,15 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd) struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb; u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc); + u32 fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc); list_del(&hostrcb->queue); list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); if (!ioasc) { ipr_handle_log_data(ioa_cfg, hostrcb); + if (fd_ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED) + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); } else if (ioasc != IPR_IOASC_IOA_WAS_RESET) { dev_err(&ioa_cfg->pdev->dev, "Host RCB failed with IOASC: 0x%08X\n", ioasc); @@ -6290,6 +6295,7 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) struct ipr_hostrcb *hostrcb; struct ipr_uc_sdt sdt; int rc, length; + u32 ioasc; mailbox = readl(ioa_cfg->ioa_mailbox); @@ -6322,9 +6328,13 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) (__be32 *)&hostrcb->hcam, min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32)); - if (!rc) + if (!rc) { ipr_handle_log_data(ioa_cfg, hostrcb); - else + ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc); + if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED && + ioa_cfg->sdt_state == GET_DUMP) + ioa_cfg->sdt_state = WAIT_FOR_DUMP; + } else ipr_unit_check_no_data(ioa_cfg); list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); |