[PATCH v2 13/18] scsi: libsas: Add sas_abort_task_set()

John Garry
2022-02-17T15:49:39Z

Add a generic implementation of abort task set TMF handler, and use in
LLDDs.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Yihang Li <liyihang6@hisilicon.com>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 5 +----
drivers/scsi/libsas/sas_scsi_host.c | 16 ++++++++++++----
drivers/scsi/mvsas/mv_init.c | 2 +-
drivers/scsi/mvsas/mv_sas.c | 11 -----------
drivers/scsi/mvsas/mv_sas.h | 1 -
drivers/scsi/pm8001/pm8001_init.c | 2 +-
drivers/scsi/pm8001/pm8001_sas.c | 8 --------
drivers/scsi/pm8001/pm8001_sas.h | 1 -
include/scsi/libsas.h | 2 ++
9 files changed, 17 insertions(+), 31 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 21e929c8bdb0..54fe25ddac5b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1788,7 +1788,6 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun)
{
struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
struct device *dev = hisi_hba->dev;
- struct sas_tmf_task tmf_task;
int rc;

rc = hisi_sas_internal_task_abort(hisi_hba, device,
@@ -1799,9 +1798,7 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun)
}
hisi_sas_dereg_device(hisi_hba, device);

- tmf_task.tmf = TMF_ABORT_TASK_SET;
- rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);
-
+ rc = sas_abort_task_set(device, lun);
if (rc == TMF_RESP_FUNC_COMPLETE)
hisi_sas_release_task(hisi_hba, device);

diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index c5d9c6a6b870..06bc7221ac3a 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1030,10 +1030,8 @@ int sas_execute_tmf(struct domain_device *device, void *parameter,
return res;
}

-int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun,
- struct sas_tmf_task *tmf);
-int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun,
- struct sas_tmf_task *tmf)
+static int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun,
+ struct sas_tmf_task *tmf)
{
struct sas_ssp_task ssp_task;

@@ -1045,6 +1043,16 @@ int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun,
return sas_execute_tmf(device, &ssp_task, sizeof(ssp_task), -1, tmf);
}

+int sas_abort_task_set(struct domain_device *dev, u8 *lun)
+{
+ struct sas_tmf_task tmf_task = {
+ .tmf = TMF_ABORT_TASK_SET,
+ };
+
+ return sas_execute_ssp_tmf(dev, lun, &tmf_task);
+}
+EXPORT_SYMBOL_GPL(sas_abort_task_set);
+
/*
* Tell an upper layer that it needs to initiate an abort for a given task.
* This should only ever be called by an LLDD.
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 3fe0a9351cea..13a002e08a12 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -63,7 +63,7 @@ static struct sas_domain_function_template mvs_transport_ops = {
.lldd_control_phy = mvs_phy_control,

.lldd_abort_task = mvs_abort_task,
- .lldd_abort_task_set = mvs_abort_task_set,
+ .lldd_abort_task_set = sas_abort_task_set,
.lldd_clear_task_set = mvs_clear_task_set,
.lldd_I_T_nexus_reset = mvs_I_T_nexus_reset,
.lldd_lu_reset = mvs_lu_reset,
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 47fcd8de9ece..0cdbba31f327 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -1536,17 +1536,6 @@ int mvs_abort_task(struct sas_task *task)
return rc;
}

-int mvs_abort_task_set(struct domain_device *dev, u8 *lun)
-{
- int rc;
- struct sas_tmf_task tmf_task;
-
- tmf_task.tmf = TMF_ABORT_TASK_SET;
- rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
-
- return rc;
-}
-
int mvs_clear_task_set(struct domain_device *dev, u8 *lun)
{
int rc = TMF_RESP_FUNC_FAILED;
diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h
index fa654c73beee..0bee63596208 100644
--- a/drivers/scsi/mvsas/mv_sas.h
+++ b/drivers/scsi/mvsas/mv_sas.h
@@ -440,7 +440,6 @@ void mvs_scan_start(struct Scsi_Host *shost);
int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time);
int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags);
int mvs_abort_task(struct sas_task *task);
-int mvs_abort_task_set(struct domain_device *dev, u8 *lun);
int mvs_clear_task_set(struct domain_device *dev, u8 * lun);
void mvs_port_formed(struct asd_sas_phy *sas_phy);
void mvs_port_deformed(struct asd_sas_phy *sas_phy);
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 6a3635c39f6a..d7b95ad4533e 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -122,7 +122,7 @@ static struct sas_domain_function_template pm8001_transport_ops = {
.lldd_control_phy = pm8001_phy_control,

.lldd_abort_task = pm8001_abort_task,
- .lldd_abort_task_set = pm8001_abort_task_set,
+ .lldd_abort_task_set = sas_abort_task_set,
.lldd_clear_task_set = pm8001_clear_task_set,
.lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset,
.lldd_lu_reset = pm8001_lu_reset,
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index a530fb0aaa05..543113564a58 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1342,14 +1342,6 @@ int pm8001_abort_task(struct sas_task *task)
return rc;
}

-int pm8001_abort_task_set(struct domain_device *dev, u8 *lun)
-{
- struct sas_tmf_task tmf_task;
-
- tmf_task.tmf = TMF_ABORT_TASK_SET;
- return pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
-}
-
int pm8001_clear_task_set(struct domain_device *dev, u8 *lun)
{
struct sas_tmf_task tmf_task;
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index aa018d2d19a3..d26f25186779 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -644,7 +644,6 @@ void pm8001_scan_start(struct Scsi_Host *shost);
int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
int pm8001_abort_task(struct sas_task *task);
-int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
int pm8001_dev_found(struct domain_device *dev);
void pm8001_dev_gone(struct domain_device *dev);
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index c44de478e314..53fdc18bdd09 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -722,6 +722,8 @@ struct sas_phy *sas_get_local_phy(struct domain_device *dev);

int sas_request_addr(struct Scsi_Host *shost, u8 *addr);

+int sas_abort_task_set(struct domain_device *dev, u8 *lun);
+
int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event,
gfp_t gfp_flags);
int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event,
--
2.26.2