X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fust%2Flttng-ust-abi.h;h=73eb61f3f4d11cbb48c0dd4ead8a1b7a98f7c548;hb=381c0f1ef474e0ae8a96b3753470ca4bda45c764;hp=62f9d6cf3ada03dfd7559920d0f3c92d0918fa98;hpb=1ea11eab9f65504b2d217ef16f53f52ff941c630;p=lttng-ust.git

diff --git a/include/ust/lttng-ust-abi.h b/include/ust/lttng-ust-abi.h
index 62f9d6cf..73eb61f3 100644
--- a/include/ust/lttng-ust-abi.h
+++ b/include/ust/lttng-ust-abi.h
@@ -43,6 +43,16 @@ struct lttng_ust_channel {
 	enum lttng_ust_output output;		/* output mode */
 };
 
+/*
+ * This structure is only used internally within UST. It is not per-se
+ * part of the communication between sessiond and UST.
+ */
+struct lttng_ust_stream {
+	int shm_fd;
+	int wait_fd;
+	uint64_t memory_map_size;
+};
+
 struct lttng_ust_event {
 	char name[LTTNG_UST_SYM_NAME_LEN];	/* event name */
 	enum lttng_ust_instrumentation instrumentation;
@@ -65,14 +75,20 @@ struct lttng_ust_context {
 #define _UST_CMDR(minor, type)			(minor)
 #define _UST_CMDW(minor, type)			(minor)
 
+/* Handled by object descriptor */
+#define LTTNG_UST_RELEASE			_UST_CMD(0x1)
+
+/* Handled by object cmd */
+
 /* LTTng-UST commands */
 #define LTTNG_UST_SESSION			_UST_CMD(0x40)
 #define LTTNG_UST_TRACER_VERSION		\
 	_UST_CMDR(0x41, struct lttng_ust_tracer_version)
 #define LTTNG_UST_TRACEPOINT_LIST		_UST_CMD(0x42)
 #define LTTNG_UST_WAIT_QUIESCENT		_UST_CMD(0x43)
+#define LTTNG_UST_REGISTER_DONE			_UST_CMD(0x44)
 
-/* Session FD ioctl */
+/* Session FD commands */
 #define LTTNG_UST_METADATA			\
 	_UST_CMDW(0x50, struct lttng_ust_channel)
 #define LTTNG_UST_CHANNEL			\
@@ -80,22 +96,35 @@ struct lttng_ust_context {
 #define LTTNG_UST_SESSION_START			_UST_CMD(0x52)
 #define LTTNG_UST_SESSION_STOP			_UST_CMD(0x53)
 
-/* Channel FD ioctl */
+/* Channel FD commands */
 #define LTTNG_UST_STREAM			_UST_CMD(0x60)
 #define LTTNG_UST_EVENT			\
 	_UST_CMDW(0x61, struct lttng_ust_event)
 
-/* Event and Channel FD ioctl */
+/* Event and Channel FD commands */
 #define LTTNG_UST_CONTEXT			\
 	_UST_CMDW(0x70, struct lttng_ust_context)
 
-/* Event, Channel and Session ioctl */
+/* Event, Channel and Session commands */
 #define LTTNG_UST_ENABLE			_UST_CMD(0x80)
 #define LTTNG_UST_DISABLE			_UST_CMD(0x81)
 
-void lttng_ust_abi_exit(void);
-int lttng_abi_create_session(void);
+#define LTTNG_UST_ROOT_HANDLE	0
+
+struct obj;
+
+struct objd_ops {
+	long (*cmd)(int objd, unsigned int cmd, unsigned long arg);
+	int (*release)(int objd);
+};
+
+/* Create root handle. Always ID 0. */
+int lttng_abi_create_root_handle(void);
+
+const struct objd_ops *objd_ops(int id);
 int objd_unref(int id);
+
+void lttng_ust_abi_exit(void);
 void ltt_events_exit(void);
 
 #endif /* _LTTNG_UST_ABI_H */