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-rw-r--r--drivers/scsi/libsas/sas_scsi_host.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 274e7eb47f3..5ff14ed9baf 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -735,7 +735,6 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts)
case SAM_CHECK_COND:
case SAS_OPEN_TO:
case SAS_OPEN_REJECT:
- case SAS_PROTO_RESPONSE:
SAS_DPRINTK("%s: Saw error %d. What to do?\n",
__FUNCTION__, ts->stat);
return AC_ERR_OTHER;
@@ -743,6 +742,10 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts)
case SAS_ABORTED_TASK:
return AC_ERR_DEV;
+ case SAS_PROTO_RESPONSE:
+ /* This means the ending_fis has the error
+ * value; return 0 here to collect it */
+ return 0;
default:
return 0;
}
@@ -756,23 +759,25 @@ static void sas_ata_task_done(struct sas_task *task)
struct ata_task_resp *resp = (struct ata_task_resp *)stat->buf;
enum ata_completion_errors ac;
- ac = sas_to_ata_err(stat);
- if (ac) {
- SAS_DPRINTK("%s: SAS error %x\n", __FUNCTION__, stat->stat);
- /* We saw a SAS error. Send a vague error. */
- qc->err_mask = ac;
- dev->sata_dev.tf.feature = 0x04; /* status err */
- dev->sata_dev.tf.command = ATA_ERR;
- goto end;
+ if (stat->stat == SAS_PROTO_RESPONSE) {
+ ata_tf_from_fis(resp->ending_fis, &dev->sata_dev.tf);
+ qc->err_mask |= ac_err_mask(dev->sata_dev.tf.command);
+ dev->sata_dev.sstatus = resp->sstatus;
+ dev->sata_dev.serror = resp->serror;
+ dev->sata_dev.scontrol = resp->scontrol;
+ dev->sata_dev.ap->sactive = resp->sactive;
+ } else if (stat->stat != SAM_STAT_GOOD) {
+ ac = sas_to_ata_err(stat);
+ if (ac) {
+ SAS_DPRINTK("%s: SAS error %x\n", __FUNCTION__,
+ stat->stat);
+ /* We saw a SAS error. Send a vague error. */
+ qc->err_mask = ac;
+ dev->sata_dev.tf.feature = 0x04; /* status err */
+ dev->sata_dev.tf.command = ATA_ERR;
+ }
}
- ata_tf_from_fis(resp->ending_fis, &dev->sata_dev.tf);
- qc->err_mask |= ac_err_mask(dev->sata_dev.tf.command);
- dev->sata_dev.sstatus = resp->sstatus;
- dev->sata_dev.serror = resp->serror;
- dev->sata_dev.scontrol = resp->scontrol;
- dev->sata_dev.ap->sactive = resp->sactive;
-end:
ata_qc_complete(qc);
list_del_init(&task->list);
sas_free_task(task);
@@ -810,7 +815,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
ata_tf_to_fis(&qc->tf, (u8*)&task->ata_task.fis, 0);
task->uldd_task = qc;
if (is_atapi_taskfile(&qc->tf)) {
- memcpy(task->ata_task.atapi_packet, qc->cdb, ATAPI_CDB_LEN);
+ memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len);
task->total_xfer_len = qc->nbytes + qc->pad_len;
task->num_scatter = qc->pad_len ? qc->n_elem + 1 : qc->n_elem;
} else {
@@ -832,6 +837,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
case ATA_PROT_NCQ:
task->ata_task.use_ncq = 1;
/* fall through */
+ case ATA_PROT_ATAPI_DMA:
case ATA_PROT_DMA:
task->ata_task.dma_xfer = 1;
break;