On 02/16/2016 01:22 PM, John Garry wrote:
> When a tmf is issued, various response codes can be
> returned from the target. For a query tmf the
> response may be TMF_RESP_FUNC_COMPLETE or
> TMF_RESP_FUNC_SUCC.
> Add a condition for TMF_RESP_FUNC_SUCC.
> Also, check for SAM_STAT_GOOD is replaced with
> TMF_RESP_FUNC_COMPLETE, which is a genuine tmf
> response code. SAM_STAT_GOOD and
> TMF_RESP_FUNC_COMPLETE have the same value, so
> this is why it worked before.
>
> Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
> ---
> drivers/scsi/hisi_sas/hisi_sas_main.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
> index 2194917..c600f5e 100644
> --- a/drivers/scsi/hisi_sas/hisi_sas_main.c
> +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
> @@ -661,12 +661,18 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device,
> }
>
> if (task->task_status.resp == SAS_TASK_COMPLETE &&
> - task->task_status.stat == SAM_STAT_GOOD) {
> + task->task_status.stat == TMF_RESP_FUNC_COMPLETE) {
> res = TMF_RESP_FUNC_COMPLETE;
> break;
> }
>
> if (task->task_status.resp == SAS_TASK_COMPLETE &&
> + task->task_status.stat == TMF_RESP_FUNC_SUCC) {
> + res = TMF_RESP_FUNC_SUCC;
> + break;
> + }
> +
> + if (task->task_status.resp == SAS_TASK_COMPLETE &&
> task->task_status.stat == SAS_DATA_UNDERRUN) {
> /* no error, but return the number of bytes of
> * underrun
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@xxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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