Add a function to get the hw queue index from a sas_task.
Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 20 ++------------------
drivers/scsi/libsas/sas_scsi_host.c | 9 ++++++++-
include/scsi/libsas.h | 2 +-
3 files changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index f6b64c789335..b3e03c229cb5 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -461,7 +461,6 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
struct asd_sas_port *sas_port = device->port;
struct hisi_sas_device *sas_dev = device->lldd_dev;
bool internal_abort = sas_is_internal_abort(task);
- struct scsi_cmnd *scmd = NULL;
struct hisi_sas_dq *dq = NULL;
struct hisi_sas_port *port;
struct hisi_hba *hisi_hba;
@@ -486,6 +485,8 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
hisi_hba = dev_to_hisi_hba(device);
dev = hisi_hba->dev;
+ dq = &hisi_hba->dq[sas_task_to_hwq(task)];
+
switch (task->task_proto) {
case SAS_PROTOCOL_SSP:
case SAS_PROTOCOL_SMP:
@@ -520,22 +521,6 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
return -ECOMM;
}
- scmd = task->uldd_task;
-
- if (scmd) {
- unsigned int dq_index;
- u32 blk_tag;
-
- blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
- dq_index = blk_mq_unique_tag_to_hwq(blk_tag);
- dq = &hisi_hba->dq[dq_index];
- } else {
- struct Scsi_Host *shost = hisi_hba->shost;
- struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
- int queue = qmap->mq_map[raw_smp_processor_id()];
-
- dq = &hisi_hba->dq[queue];
- }
break;
case SAS_PROTOCOL_INTERNAL_ABORT:
if (!hisi_hba->hw->prep_abort)
@@ -550,7 +535,6 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
return -EINVAL;
port = to_hisi_sas_port(sas_port);
- dq = &hisi_hba->dq[task->abort_task.qid];
break;
default:
dev_err(hisi_hba->dev, "task prep: unknown/unsupported proto (0x%x)\n",
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 425904fa4cc7..b808b23e265e 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -986,7 +986,6 @@ static int sas_execute_internal_abort(struct domain_device *device,
task->abort_task.tag = tag;
task->abort_task.type = type;
- task->abort_task.qid = qid;
rq = scsi_alloc_request_hwq(request_queue, REQ_OP_DRV_IN, BLK_MQ_REQ_NOWAIT, qid);
if (!rq) {
@@ -1079,6 +1078,14 @@ unsigned int sas_task_to_unique_tag(struct sas_task *task)
}
EXPORT_SYMBOL_GPL(sas_task_to_unique_tag);
+unsigned int sas_task_to_hwq(struct sas_task *task)
+{
+ u32 unique = sas_task_to_rq_unique_tag(task);
+
+ return blk_mq_unique_tag_to_hwq(unique);
+}
+EXPORT_SYMBOL_GPL(sas_task_to_hwq);
+
int sas_execute_tmf(struct domain_device *device, void *parameter,
int para_len, int force_phy_id,
struct sas_tmf_task *tmf)
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 3d9ef4c2c889..368c45016af0 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -565,7 +565,6 @@ enum sas_internal_abort {
struct sas_internal_abort_task {
enum sas_internal_abort type;
- unsigned int qid;
u16 tag;
};
@@ -626,6 +625,7 @@ struct sas_task {
};
unsigned int sas_task_to_unique_tag(struct sas_task *task);
+unsigned int sas_task_to_hwq(struct sas_task *task);
struct sas_task_slow {
/* standard/extra infrastructure for slow path commands (SMP and
--
2.26.2
--
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