Add a generic implementation of LU reset TMF handler, and use in LLDDs.
Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 4 +---
drivers/scsi/libsas/sas_scsi_host.c | 10 ++++++++++
drivers/scsi/mvsas/mv_sas.c | 4 +---
drivers/scsi/pm8001/pm8001_sas.c | 4 +---
include/scsi/libsas.h | 1 +
5 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 12919b063572..858f4b2aa211 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1938,9 +1938,7 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun)
hisi_sas_release_task(hisi_hba, device);
sas_put_local_phy(phy);
} else {
- struct sas_tmf_task tmf_task = { .tmf = TMF_LU_RESET };
-
- rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task);
+ rc = sas_lu_reset(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 5520c857598b..a7beca31d1e8 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1066,6 +1066,16 @@ int sas_clear_task_set(struct domain_device *dev, u8 *lun)
}
EXPORT_SYMBOL_GPL(sas_clear_task_set);
+int sas_lu_reset(struct domain_device *dev, u8 *lun)
+{
+ struct sas_tmf_task tmf_task = {
+ .tmf = TMF_LU_RESET,
+ };
+
+ return sas_execute_ssp_tmf(dev, lun, &tmf_task);
+}
+EXPORT_SYMBOL_GPL(sas_lu_reset);
+
/*
* 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_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 146005d2d75c..61bf4d1e8355 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -1384,13 +1384,11 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun)
{
unsigned long flags;
int rc = TMF_RESP_FUNC_FAILED;
- struct sas_tmf_task tmf_task;
struct mvs_device * mvi_dev = dev->lldd_dev;
struct mvs_info *mvi = mvi_dev->mvi_info;
- tmf_task.tmf = TMF_LU_RESET;
mvi_dev->dev_status = MVS_DEV_EH;
- rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task);
+ rc = sas_lu_reset(dev, lun);
if (rc == TMF_RESP_FUNC_COMPLETE) {
spin_lock_irqsave(&mvi->lock, flags);
mvs_release_task(mvi, dev);
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 3547e8538670..afea130807f2 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1111,7 +1111,6 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
{
int rc = TMF_RESP_FUNC_FAILED;
- struct sas_tmf_task tmf_task;
struct pm8001_device *pm8001_dev = dev->lldd_dev;
struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev);
DECLARE_COMPLETION_ONSTACK(completion_setstate);
@@ -1126,8 +1125,7 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
pm8001_dev, DS_OPERATIONAL);
wait_for_completion(&completion_setstate);
} else {
- tmf_task.tmf = TMF_LU_RESET;
- rc = pm8001_issue_ssp_tmf(dev, lun, &tmf_task);
+ rc = sas_lu_reset(dev, lun);
}
/* If failed, fall-through I_T_Nexus reset */
pm8001_dbg(pm8001_ha, EH, "for device[%x]:rc=%d\n",
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 710f93ddc5d4..12caf688806c 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -726,6 +726,7 @@ int sas_request_addr(struct Scsi_Host *shost, u8 *addr);
int sas_abort_task_set(struct domain_device *dev, u8 *lun);
int sas_clear_task_set(struct domain_device *dev, u8 *lun);
+int sas_lu_reset(struct domain_device *dev, u8 *lun);
int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event,
gfp_t gfp_flags);
--
2.26.2
