X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt-events.h;h=e8171b032110138198e4405a30de191b2757912e;hb=dda6a249b86e7f06e82fb18a26e981522d9e852d;hp=3d509772a1ddfdafa795c76d521354394d32934a;hpb=d4e1a740a3db547f3f9eaebae9200042fb89f7d6;p=lttng-modules.git

diff --git a/ltt-events.h b/ltt-events.h
index 3d509772..e8171b03 100644
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -1,3 +1,6 @@
+#ifndef _LTT_EVENTS_H
+#define _LTT_EVENTS_H
+
 /*
  * ltt-events.h
  *
@@ -7,13 +10,11 @@
  */
 
 #include <linux/list.h>
+#include "ltt-debugfs-abi.h"
 
 struct ltt_channel;
 struct ltt_session;
-
-enum instrum_type itype {
-	INSTRUM_TRACEPOINTS,
-};
+struct lib_ring_buffer_ctx;
 
 /*
  * ltt_event structure is referred to by the tracing fast path. It must be
@@ -29,6 +30,22 @@ struct ltt_event {
 	struct list_head list;		/* Event list */
 };
 
+struct ltt_channel_ops {
+	struct channel *(*channel_create)(const char *name,
+				struct ltt_session *session,
+				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);
+	void (*buffer_read_close)(struct lib_ring_buffer *buf);
+	int (*event_reserve)(struct lib_ring_buffer_ctx *ctx);
+	void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
+	void (*event_write)(struct lib_ring_buffer_ctx *ctx, const void *src,
+			    size_t len);
+};
+
 struct ltt_channel {
 	struct channel *chan;		/* Channel buffers */
 	/* Event ID management */
@@ -37,6 +54,7 @@ struct ltt_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 */
+	struct ltt_channel_ops *ops;
 };
 
 struct ltt_session {
@@ -47,18 +65,43 @@ struct ltt_session {
 	struct list_head list;		/* Session list */
 };
 
+struct ltt_transport {
+	char *name;
+	struct module *owner;
+	struct list_head node;
+	struct ltt_channel_ops ops;
+};
+
 struct ltt_session *ltt_session_create(void);
-int ltt_session_destroy(struct ltt_session *session);
+int ltt_session_start(struct ltt_session *session);
+int ltt_session_stop(struct ltt_session *session);
+void ltt_session_destroy(struct ltt_session *session);
 
 struct ltt_channel *ltt_channel_create(struct ltt_session *session,
 				       int overwrite, void *buf_addr,
 				       size_t subbuf_size, size_t num_subbuf,
 				       unsigned int switch_timer_interval,
 				       unsigned int read_timer_interval);
-int _ltt_channel_destroy(struct ltt_channel *chan);
+void _ltt_channel_destroy(struct ltt_channel *chan);
 
 struct ltt_event *ltt_event_create(struct ltt_channel *chan,
-				   enum instrum_type itype,
 				   char *name,
-				   void *filter);
-int _ltt_event_destroy(struct ltt_event *event);
+				   enum instrum_type itype,
+				   void *probe, void *filter);
+int _ltt_event_unregister(struct ltt_event *event);
+void _ltt_event_destroy(struct ltt_event *event);
+
+void ltt_transport_register(struct ltt_transport *transport);
+void ltt_transport_unregister(struct ltt_transport *transport);
+
+int ltt_debugfs_abi_init(void);
+void ltt_debugfs_abi_exit(void);
+
+int ltt_probe_register(const char *name, void *cb);
+void ltt_probe_unregister(const char *name);
+void *ltt_probe_get(const char *name);
+void ltt_probe_put(void *cb);
+int ltt_probes_init(void);
+void ltt_probes_exit(void);
+
+#endif /* _LTT_EVENTS_H */