Import kernel control interface

[lttng-tools.git] / liblttsessiondcomm / liblttsessiondcomm.h

diff --git a/liblttsessiondcomm/liblttsessiondcomm.h b/liblttsessiondcomm/liblttsessiondcomm.h
index 4a7fdfcc48155e44c9937dd471649e38bbec5e3e..4e86cc5475b6a11804079ac3344a453e61a8a6d6 100644 (file)
--- a/liblttsessiondcomm/liblttsessiondcomm.h
+++ b/liblttsessiondcomm/liblttsessiondcomm.h
@@ -48,6 +48,12 @@
 #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_OK)
 
 enum lttcomm_sessiond_command {
+       KERNEL_CREATE_CHANNEL,
+       KERNEL_CREATE_SESSION,
+       KERNEL_DISABLE_EVENT,
+       KERNEL_ENABLE_EVENT,
+       KERNEL_START_TRACE,
+       KERNEL_STOP_TRACE,
        LTTNG_CREATE_SESSION,
        LTTNG_DESTROY_SESSION,
        LTTNG_FORCE_SUBBUF_SWITCH,
@@ -94,6 +100,15 @@ enum lttcomm_return_code {
        LTTCOMM_SELECT_SESS,    /* Must select a session */
        LTTCOMM_EXIST_SESS,             /* Session name already exist */
        LTTCOMM_NR,                             /* Last element */
+       KCONSUMERD_COMMAND_SOCK_READY,  /* when kconsumerd command socket ready */
+       KCONSUMERD_SUCCESS_RECV_FD,     /* success on receiving fds */
+       KCONSUMERD_ERROR_RECV_FD,       /* error on receiving fds */
+       KCONSUMERD_POLL_ERROR,  /* Error in polling thread in kconsumerd */
+       KCONSUMERD_POLL_NVAL,   /* Poll on closed fd */
+       KCONSUMERD_POLL_HUP,    /* All fds have hungup */
+       KCONSUMERD_EXIT_SUCCESS,        /* kconsumerd exiting normally */
+       KCONSUMERD_EXIT_FAILURE,        /* kconsumerd exiting on error */
+       KCONSUMERD_OUTFD_ERROR, /* error opening the tracefile */
 };
 
 /* commands for kconsumerd */
@@ -125,23 +140,16 @@ struct lttcomm_session_msg {
                } create_session;
                /* Marker data */
                struct {
-                       char channel[NAME_MAX];
-                       char marker[NAME_MAX];
-               } marker;
-               /* SET_SOCK_PATH */
+                       char event_name[NAME_MAX];
+               } event;
+               /* Create channel kernel */
                struct {
-                       char sock_path[PATH_MAX];
-               } sock_path;
-               /* SET_SUBBUF_NUM */
-               struct {
-                       unsigned int subbuf_num;
-                       char channel[NAME_MAX];
-               } subbuf_num;
-               /* SET_SUBBUF_SIZE */
-               struct {
-                       unsigned int subbuf_size;
-                       char channel[NAME_MAX];
-               } subbuf_size;
+                       int overwrite;
+                       u64 subbuf_size;
+                       u64 num_subbuf;
+                       unsigned int switch_timer_interval;
+                       unsigned int read_timer_interval;
+               } create_channel;
        } u;
 };
 
@@ -178,6 +186,7 @@ struct lttcomm_kconsumerd_msg {
        char path_name[PATH_MAX];
        int fd;
        u32 state;    /* enum lttcomm_kconsumerd_fd_state */
+       unsigned long max_sb_size; /* the subbuffer size for this channel */
 };
 
 extern int lttcomm_create_unix_sock(const char *pathname);