Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=65f5647544960a68030352015d0b4a6234a818f8
Commit: 65f5647544960a68030352015d0b4a6234a818f8
Parent: 8a048994f4be7d0b670a358cea7812c6d5232105
Author: Brian King <[EMAIL PROTECTED]>
AuthorDate: Thu Apr 26 16:00:12 2007 -0500
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Sun May 6 09:33:19 2007 -0500
[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 <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/scsi/ipr.c | 14 ++++++++++++--
drivers/scsi/ipr.h | 1 +
2 files changed, 13 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);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index bc53d7c..c7e045a 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -91,6 +91,7 @@
* IOASCs
*/
#define IPR_IOASC_NR_INIT_CMD_REQUIRED 0x02040200
+#define IPR_IOASC_NR_IOA_RESET_REQUIRED 0x02048000
#define IPR_IOASC_SYNC_REQUIRED 0x023f0000
#define IPR_IOASC_MED_DO_NOT_REALLOC 0x03110C00
#define IPR_IOASC_HW_SEL_TIMEOUT 0x04050000
-
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