diff options
| author | Hannes Reinecke <hare@suse.de> | 2016-04-04 11:44:01 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2016-04-04 12:07:41 -0400 |
| commit | 3852e37382664a06cd006bb389a8223e32cedf45 (patch) | |
| tree | bcdb3a96ee06503433225cde2d3d8dd84d60213a /drivers/ata | |
| parent | b525e7731b90ebc7a70a095fc5d5363408b94274 (diff) | |
| download | linux-3852e37382664a06cd006bb389a8223e32cedf45.tar.bz2 | |
libata: evaluate SCSI sense code
Whenever a sense code is set it would need to be evaluated to
update the error mask.
tj: Cosmetic formatting updates.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-eh.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index e4e0e2e80c20..e37258b78e01 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1920,20 +1920,31 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, tmp = atapi_eh_request_sense(qc->dev, qc->scsicmd->sense_buffer, qc->result_tf.feature >> 4); - if (!tmp) { - /* ATA_QCFLAG_SENSE_VALID is used to - * tell atapi_qc_complete() that sense - * data is already valid. - * - * TODO: interpret sense data and set - * appropriate err_mask. - */ + if (!tmp) qc->flags |= ATA_QCFLAG_SENSE_VALID; - } else + else qc->err_mask |= tmp; } } + if (qc->flags & ATA_QCFLAG_SENSE_VALID) { + int ret = scsi_check_sense(qc->scsicmd); + /* + * SUCCESS here means that the sense code could + * evaluated and should be passed to the upper layers + * for correct evaluation. + * FAILED means the sense code could not interpreted + * and the device would need to be reset. + * NEEDS_RETRY and ADD_TO_MLQUEUE means that the + * command would need to be retried. + */ + if (ret == NEEDS_RETRY || ret == ADD_TO_MLQUEUE) { + qc->flags |= ATA_QCFLAG_RETRY; + qc->err_mask |= AC_ERR_OTHER; + } else if (ret != SUCCESS) { + qc->err_mask |= AC_ERR_HSM; + } + } if (qc->err_mask & (AC_ERR_HSM | AC_ERR_TIMEOUT | AC_ERR_ATA_BUS)) action |= ATA_EH_RESET; |