hisi_sas: Add smp protocol support
Add support for smp function, which allows devices attached by expander
to be controlled.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index e5ee3c9..f34f73b 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -36,6 +36,7 @@
(((sizeof(union hisi_sas_command_table)+3)/4)*4)
#define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024)
+#define HISI_SAS_MAX_SMP_RESP_SZ 1028
#define HISI_SAS_NAME_LEN 32
@@ -132,6 +133,8 @@
int (*prep_ssp)(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot, int is_tmf,
struct hisi_sas_tmf_task *tmf);
+ int (*prep_smp)(struct hisi_hba *hisi_hba,
+ struct hisi_sas_slot *slot);
int (*slot_complete)(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot, int abort);
void (*free_device)(struct hisi_hba *hisi_hba,