Implement ioctl-alike communication

[lttng-ust.git] / include / lttng-ust-comm.h

diff --git a/include/lttng-ust-comm.h b/include/lttng-ust-comm.h
index b594367ddd3b6a65c9f5fb1ccdc7e1a6b09b9f8e..b73657eca2f4dfe97ddaa74d2bb8c793277df147 100644 (file)
--- a/include/lttng-ust-comm.h
+++ b/include/lttng-ust-comm.h
@@ -46,32 +46,6 @@
  */
 #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_OK)
 
-enum lttcomm_ust_command {
-       UST_CREATE_SESSION,
-       UST_VERSION,
-       UST_LIST_TRACEPOINTS,
-       UST_WAIT_QUIESCENT,
-       UST_CALIBRATE,
-
-       /* Apply on session handle */
-       UST_METADATA,   /* release with UST_RELEASE_CHANNEL */
-       UST_CHANNEL,
-       UST_SESSION_START,
-       UST_SESSION_STOP,
-
-       /* Apply on channel handle */
-       UST_STREAM,
-       UST_EVENT,
-
-       /* Apply on event and channel handle */
-       UST_CONTEXT,
-
-       /* Apply on event, channel and session handle */
-       UST_RELEASE,
-       UST_ENABLE,
-       UST_DISABLE,
-};
-
 /*
  * lttcomm error code.
  */
@@ -136,8 +110,8 @@ enum lttcomm_return_code {
  * Data structure for the commands sent from sessiond to UST.
  */
 struct lttcomm_ust_msg {
-       uint32_t cmd_type;    /* enum lttcomm_ust_command */
        uint32_t handle;
+       uint32_t cmd;
        union {
                struct lttng_ust_tracer_version version;
                struct lttng_ust_channel channel;
@@ -151,7 +125,8 @@ struct lttcomm_ust_msg {
  * cmd_type is sent back in the reply for validation.
  */
 struct lttcomm_ust_reply {
-       uint32_t cmd_type;      /* enum lttcomm_sessiond_command */
+       uint32_t handle;
+       uint32_t cmd;
        uint32_t ret_code;      /* enum enum lttcomm_return_code */
        uint32_t ret_val;       /* return value */
        union {