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scsi: ses: Have midlayer retry scsi_execute_cmd() errors

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This has ses have the SCSI midlayer retry scsi_execute_cmd() errors instead
of driving them itself.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Link: https://lore.kernel.org/r/20240123002220.129141-17-michael.christie@oracle.com
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mike Christie 2024-01-22 18:22:17 -06:00 committed by Martin K. Petersen
parent 0f11328f2f
commit 3a7b457932
1 changed files with 46 additions and 20 deletions
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66
drivers/scsi/ses.c
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@ -87,19 +87,32 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
0
};
unsigned char recv_page_code;
unsigned int retries = SES_RETRIES;
struct scsi_sense_hdr sshdr;
struct scsi_failure failure_defs[] = {
{
.sense = UNIT_ATTENTION,
.asc = 0x29,
.ascq = SCMD_FAILURE_ASCQ_ANY,
.allowed = SES_RETRIES,
.result = SAM_STAT_CHECK_CONDITION,
},
{
.sense = NOT_READY,
.asc = SCMD_FAILURE_ASC_ANY,
.ascq = SCMD_FAILURE_ASCQ_ANY,
.allowed = SES_RETRIES,
.result = SAM_STAT_CHECK_CONDITION,
},
{}
};
struct scsi_failures failures = {
.failure_definitions = failure_defs,
};
const struct scsi_exec_args exec_args = {
.sshdr = &sshdr,
.failures = &failures,
};
do {
ret = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_IN, buf, bufflen,
SES_TIMEOUT, 1, &exec_args);
} while (ret > 0 && --retries && scsi_sense_valid(&sshdr) &&
(sshdr.sense_key == NOT_READY ||
(sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29)));
ret = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_IN, buf, bufflen,
SES_TIMEOUT, 1, &exec_args);
if (unlikely(ret))
return ret;
@ -131,19 +144,32 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code,
bufflen & 0xff,
0
};
struct scsi_sense_hdr sshdr;
unsigned int retries = SES_RETRIES;
struct scsi_failure failure_defs[] = {
{
.sense = UNIT_ATTENTION,
.asc = 0x29,
.ascq = SCMD_FAILURE_ASCQ_ANY,
.allowed = SES_RETRIES,
.result = SAM_STAT_CHECK_CONDITION,
},
{
.sense = NOT_READY,
.asc = SCMD_FAILURE_ASC_ANY,
.ascq = SCMD_FAILURE_ASCQ_ANY,
.allowed = SES_RETRIES,
.result = SAM_STAT_CHECK_CONDITION,
},
{}
};
struct scsi_failures failures = {
.failure_definitions = failure_defs,
};
const struct scsi_exec_args exec_args = {
.sshdr = &sshdr,
.failures = &failures,
};
do {
result = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_OUT, buf,
bufflen, SES_TIMEOUT, 1, &exec_args);
} while (result > 0 && --retries && scsi_sense_valid(&sshdr) &&
(sshdr.sense_key == NOT_READY ||
(sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29)));
result = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_OUT, buf, bufflen,
SES_TIMEOUT, 1, &exec_args);
if (result)
sdev_printk(KERN_ERR, sdev, "SEND DIAGNOSTIC result: %8x\n",
result);