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Commit 91b2bb92 authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

hisi_sas: use slot abort in v1 hw 



When TRANS_TX_CREDIT_TIMEOUT_ERR or
TRANS_TX_CLOSE_NORMAL_ERR error occur 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).

Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent cac9b2a2

drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

+13 −0
Original line number Diff line number Diff line
@@ -1212,6 +1212,14 @@ static void slot_err_v1_hw(struct hisi_hba *hisi_hba, 
			ts->stat = SAS_NAK_R_ERR;

			break;

		}

		case TRANS_TX_CREDIT_TIMEOUT_ERR:

		case TRANS_TX_CLOSE_NORMAL_ERR:

		{

			/* This will request a retry */

			ts->stat = SAS_QUEUE_FULL;

			slot->abort = 1;

			break;

		}

		default:

		{

			ts->stat = SAM_STAT_CHECK_CONDITION;
@@ -1319,6 +1327,11 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba, 
		!(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) {



		slot_err_v1_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;

	}