ABI update

[lttng-modules.git] / ltt-events.h

diff --git a/ltt-events.h b/ltt-events.h
index 4e1bc058f5ff9cb55f5e570351f99a85472d957f..b8485c35accbb62eecffae6da191bcf87905d888 100644 (file)
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -33,6 +33,7 @@ struct ltt_channel {
        struct channel *chan;           /* Channel buffers */
        /* Event ID management */
        struct ltt_session *session;
+       struct file *file;              /* File associated to channel */
        unsigned int free_event_id;     /* Next event ID to allocate */
        struct list_head list;          /* Channel list */
        wait_queue_head_t notify_wait;  /* Channel addition notif. waitqueue */
@@ -40,12 +41,34 @@ struct ltt_channel {
 
 struct ltt_session {
        int active;                     /* Is trace session active ? */
+       struct file *file;              /* File associated to session */
        struct list_head chan;          /* Channel list head */
        struct list_head events;        /* Event list head */
        struct list_head list;          /* Session list */
 };
 
+struct ltt_trace_ops {
+       struct channel *(*channel_create)(const char *name,
+                               struct ltt_trace *trace,
+                               void *buf_addr,
+                               size_t subbuf_size, size_t num_subbuf,
+                               unsigned int switch_timer_interval,
+                               unsigned int read_timer_interval);
+       void (*channel_destroy)(struct channel *chan);
+       struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
+       struct lib_ring_buffer *(*buffer_read_close)(struct lib_ring_buffer *buf);
+};
+
+struct ltt_transport {
+       char *name;
+       struct module *owner;
+       struct list_head node;
+       struct ltt_trace_ops ops;
+};
+
 struct ltt_session *ltt_session_create(void);
+int ltt_session_start(struct ltt_session *session);
+int ltt_session_stop(struct ltt_session *session);
 int ltt_session_destroy(struct ltt_session *session);
 
 struct ltt_channel *ltt_channel_create(struct ltt_session *session,
@@ -60,3 +83,6 @@ struct ltt_event *ltt_event_create(struct ltt_channel *chan,
                                   char *name,
                                   void *filter);
 int _ltt_event_destroy(struct ltt_event *event);
+
+void ltt_transport_register(struct ltt_transport *transport);
+void ltt_transport_unregister(struct ltt_transport *transport);