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authorJohn Garry <john.garry@huawei.com>2022-02-17 16:42:44 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-19 21:59:36 +0100
commit72f8810e1fdcd52deedfd294497fa8337703a632 (patch)
tree9d2d87f55a2f0db40a6704addda3b2af4be1872c /drivers/scsi/mvsas
parentscsi: libsas: Add sas_lu_reset() (diff)
downloadlinux-72f8810e1fdcd52deedfd294497fa8337703a632.tar.xz
linux-72f8810e1fdcd52deedfd294497fa8337703a632.zip
scsi: libsas: Add sas_query_task()
Add a generic implementation of query task TMF handler, and use in LLDDs. Link: https://lore.kernel.org/r/1645112566-115804-17-git-send-email-john.garry@huawei.com Tested-by: Yihang Li <liyihang6@hisilicon.com> Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mvsas')
-rw-r--r--drivers/scsi/mvsas/mv_sas.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index fdaaa4380e74..63a96c307e3c 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -1422,27 +1422,20 @@ int mvs_I_T_nexus_reset(struct domain_device *dev)
int mvs_query_task(struct sas_task *task)
{
u32 tag;
- struct scsi_lun lun;
- struct sas_tmf_task tmf_task;
int rc = TMF_RESP_FUNC_FAILED;
if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
- struct scsi_cmnd * cmnd = (struct scsi_cmnd *)task->uldd_task;
struct domain_device *dev = task->dev;
struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev;
struct mvs_info *mvi = mvi_dev->mvi_info;
- int_to_scsilun(cmnd->device->lun, &lun);
rc = mvs_find_tag(mvi, task, &tag);
if (rc == 0) {
rc = TMF_RESP_FUNC_FAILED;
return rc;
}
- tmf_task.tmf = TMF_QUERY_TASK;
- tmf_task.tag_of_task_to_be_managed = cpu_to_le16(tag);
-
- rc = mvs_debug_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task);
+ rc = sas_query_task(task, tag);
switch (rc) {
/* The task is still in Lun, release it then */
case TMF_RESP_FUNC_SUCC: