diff options
| author |   John Garry <john.garry@huawei.com> | 2016-02-25 17:42:13 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2016-02-29 21:00:03 -0500 |
| commit | 9c8ee657cf779ae4224e515ff48863378ac42f58 (patch) | |
| tree | 325a1699008d50fe87df2d30f7b0dd5c7c8324d6 /drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | |
| parent | hisi_sas: use slot abort in v1 hw (diff) | |
| download | linux-dev-9c8ee657cf779ae4224e515ff48863378ac42f58.tar.xz linux-dev-9c8ee657cf779ae4224e515ff48863378ac42f58.zip | |
hisi_sas: use slot abort in v2 hw
When TRANS_TX_ERR_FRAME_TXED error occurs in
a slot, the command should be re-attempted.
This error is equivalent to meaning that the queue
is full in the sdev (and not the host).
A superflous debug statement is also removed in the
slot complete handler.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v2_hw.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 58e195686160..b7337476454b 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -1299,6 +1299,13 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba, ts->stat = SAS_DATA_UNDERRUN; break; } + case TRANS_TX_ERR_FRAME_TXED: + { + /* This will request a retry */ + ts->stat = SAS_QUEUE_FULL; + slot->abort = 1; + break; + } case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS: case TRANS_TX_ERR_PHY_NOT_ENABLE: case TRANS_TX_OPEN_CNX_ERR_BY_OTHER: @@ -1491,11 +1498,13 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, if ((complete_hdr->dw0 & CMPLT_HDR_ERX_MSK) && (!(complete_hdr->dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))) { - dev_dbg(dev, "%s slot %d has error info 0x%x\n", - __func__, slot->cmplt_queue_slot, - complete_hdr->dw0 & CMPLT_HDR_ERX_MSK); slot_err_v2_hw(hisi_hba, task, slot); + if (unlikely(slot->abort)) { + queue_work(hisi_hba->wq, &slot->abort_slot); + /* immediately return and do not complete */ + return ts->stat; + } goto out; } |