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Diffstat (limited to 'include/uapi/linux/ublk_cmd.h')
-rw-r--r--include/uapi/linux/ublk_cmd.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/include/uapi/linux/ublk_cmd.h b/include/uapi/linux/ublk_cmd.h
index f6238ccc7800..640bf687b94a 100644
--- a/include/uapi/linux/ublk_cmd.h
+++ b/include/uapi/linux/ublk_cmd.h
@@ -8,6 +8,9 @@
/*
* Admin commands, issued by ublk server, and handled by ublk driver.
+ *
+ * Legacy command definition, don't use in new application, and don't
+ * add new such definition any more
*/
#define UBLK_CMD_GET_QUEUE_AFFINITY 0x01
#define UBLK_CMD_GET_DEV_INFO 0x02
@@ -21,6 +24,30 @@
#define UBLK_CMD_END_USER_RECOVERY 0x11
#define UBLK_CMD_GET_DEV_INFO2 0x12
+/* Any new ctrl command should encode by __IO*() */
+#define UBLK_U_CMD_GET_QUEUE_AFFINITY \
+ _IOR('u', UBLK_CMD_GET_QUEUE_AFFINITY, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_GET_DEV_INFO \
+ _IOR('u', UBLK_CMD_GET_DEV_INFO, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_ADD_DEV \
+ _IOWR('u', UBLK_CMD_ADD_DEV, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_DEL_DEV \
+ _IOWR('u', UBLK_CMD_DEL_DEV, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_START_DEV \
+ _IOWR('u', UBLK_CMD_START_DEV, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_STOP_DEV \
+ _IOWR('u', UBLK_CMD_STOP_DEV, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_SET_PARAMS \
+ _IOWR('u', UBLK_CMD_SET_PARAMS, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_GET_PARAMS \
+ _IOR('u', UBLK_CMD_GET_PARAMS, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_START_USER_RECOVERY \
+ _IOWR('u', UBLK_CMD_START_USER_RECOVERY, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_END_USER_RECOVERY \
+ _IOWR('u', UBLK_CMD_END_USER_RECOVERY, struct ublksrv_ctrl_cmd)
+#define UBLK_U_CMD_GET_DEV_INFO2 \
+ _IOR('u', UBLK_CMD_GET_DEV_INFO2, struct ublksrv_ctrl_cmd)
+
/*
* IO commands, issued by ublk server, and handled by ublk driver.
*
@@ -41,10 +68,23 @@
* It is only used if ublksrv set UBLK_F_NEED_GET_DATA flag
* while starting a ublk device.
*/
+
+/*
+ * Legacy IO command definition, don't use in new application, and don't
+ * add new such definition any more
+ */
#define UBLK_IO_FETCH_REQ 0x20
#define UBLK_IO_COMMIT_AND_FETCH_REQ 0x21
#define UBLK_IO_NEED_GET_DATA 0x22
+/* Any new IO command should encode by __IOWR() */
+#define UBLK_U_IO_FETCH_REQ \
+ _IOWR('u', UBLK_IO_FETCH_REQ, struct ublksrv_io_cmd)
+#define UBLK_U_IO_COMMIT_AND_FETCH_REQ \
+ _IOWR('u', UBLK_IO_COMMIT_AND_FETCH_REQ, struct ublksrv_io_cmd)
+#define UBLK_U_IO_NEED_GET_DATA \
+ _IOWR('u', UBLK_IO_NEED_GET_DATA, struct ublksrv_io_cmd)
+
/* only ABORT means that no re-fetch */
#define UBLK_IO_RES_OK 0
#define UBLK_IO_RES_NEED_GET_DATA 1
@@ -102,6 +142,9 @@
*/
#define UBLK_F_UNPRIVILEGED_DEV (1UL << 5)
+/* use ioctl encoding for uring command */
+#define UBLK_F_CMD_IOCTL_ENCODE (1UL << 6)
+
/* device state */
#define UBLK_S_DEV_DEAD 0
#define UBLK_S_DEV_LIVE 1