Add function for upper-layer to reset controller
when all else fails.
Signed-off-by: John Garry <john.ga...@huawei.com>
Signed-off-by: Xiang Chen <chenxian...@hisilicon.com>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c
b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 3d63a24..f86263b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1070,6 +1070,13 @@ static int hisi_sas_lu_reset(struct domain_device
*device, u8 *lun)
return rc;
}
+static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha)
+{
+ struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+
+ return hisi_sas_controller_reset(hisi_hba);
+}
+
static int hisi_sas_query_task(struct sas_task *task)
{
struct scsi_lun lun;
@@ -1368,6 +1375,7 @@ void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba,
u32 old_state,
.lldd_I_T_nexus_reset = hisi_sas_I_T_nexus_reset,
.lldd_lu_reset = hisi_sas_lu_reset,
.lldd_query_task = hisi_sas_query_task,
+ .lldd_clear_nexus_ha = hisi_sas_clear_nexus_ha,
.lldd_port_formed = hisi_sas_port_formed,
};
--
1.9.1
