Make ufshcd_send_uic_cmd() public for that.
Signed-off-by: Avri Altman <avri.alt...@wdc.com>
---
drivers/scsi/ufs/ufs_bsg.c | 11 ++++++++++-
drivers/scsi/ufs/ufshcd.c | 4 ++--
drivers/scsi/ufs/ufshcd.h | 2 ++
include/uapi/scsi/scsi_bsg_ufs.h | 2 ++
4 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c
index c1797e2..b4261eb 100644
--- a/drivers/scsi/ufs/ufs_bsg.c
+++ b/drivers/scsi/ufs/ufs_bsg.c
@@ -55,6 +55,7 @@ static int ufs_bsg_request(struct bsg_job *job)
unsigned int request_len = job->request_len;
unsigned int reply_len = job->reply_len;
struct utp_upiu_query *qr;
+ struct uic_command uc = {};
int msgcode;
uint8_t *desc_buff = NULL;
int desc_len = 0;
@@ -107,7 +108,15 @@ static int ufs_bsg_request(struct bsg_job *job)
break;
case UPIU_TRANSACTION_UIC_CMD:
- /* later */
+ memcpy(&uc, &bsg_request->upiu_req.uc, UIC_CMD_SIZE);
+ ret = ufshcd_send_uic_cmd(hba, &uc);
+ if (ret)
+ dev_dbg(hba->dev,
+ "send uic cmd: error code %d\n", ret);
+
+ memcpy(&bsg_reply->upiu_rsp.uc, &uc, UIC_CMD_SIZE);
+
+ break;
case UPIU_TRANSACTION_COMMAND:
case UPIU_TRANSACTION_DATA_OUT:
not_supported:
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index f73edf9..61ee833 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2060,8 +2060,7 @@ static inline u8 ufshcd_get_upmcrs(struct ufs_hba *hba)
*
* Returns 0 only if success.
*/
-static int
-ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
+int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
{
int ret;
unsigned long flags;
@@ -2081,6 +2080,7 @@ static inline u8 ufshcd_get_upmcrs(struct ufs_hba *hba)
ufshcd_release(hba);
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_send_uic_cmd);
/**
* ufshcd_map_sg - Map scatter-gather list to prdt
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 2d5f3ee..e14c40f 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -813,6 +813,8 @@ extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32
attr_sel,
u32 *mib_val, u8 peer);
extern int ufshcd_config_pwr_mode(struct ufs_hba *hba,
struct ufs_pa_layer_attr *desired_pwr_mode);
+extern int ufshcd_send_uic_cmd(struct ufs_hba *hba,
+ struct uic_command *uic_cmd);
/* UIC command interfaces for DME primitives */
#define DME_LOCAL 0
diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h
index 205b312..15b5226 100644
--- a/include/uapi/scsi/scsi_bsg_ufs.h
+++ b/include/uapi/scsi/scsi_bsg_ufs.h
@@ -13,6 +13,8 @@
#define MAX_CDB_SIZE 16
#define UPIU_TRANSACTION_UIC_CMD 0x1F
+/* uic commands are 4DW long, per UFSHCI V2.1 paragraph 5.6.1 */
+#define UIC_CMD_SIZE (sizeof(u32) * 4)
enum {
REQ_UPIU_SIZE_DWORDS = 8,
--
1.9.1
