* Dual LGPL v2.1/GPL v2 license.
*/
+#include <stdint.h>
+
#define LTTNG_UST_SYM_NAME_LEN 128
+#define LTTNG_UST_COMM_VERSION_MAJOR 0
+#define LTTNG_UST_COMM_VERSION_MINOR 1
+
enum lttng_ust_instrumentation {
LTTNG_UST_TRACEPOINT = 0,
+ LTTNG_UST_PROBE = 1,
+ LTTNG_UST_FUNCTION = 2,
};
-/*
- * LTTng consumer mode
- */
enum lttng_ust_output {
- LTTNG_UST_MMAP = 0,
+ LTTNG_UST_MMAP = 0,
};
-/*
- * LTTng DebugFS ABI structures.
- */
+struct lttng_ust_tracer_version {
+ uint32_t version;
+ uint32_t patchlevel;
+ uint32_t sublevel;
+};
struct lttng_ust_channel {
int overwrite; /* 1: overwrite, 0: discard */
uint64_t num_subbuf;
unsigned int switch_timer_interval; /* usecs */
unsigned int read_timer_interval; /* usecs */
- enum lttng_ust_output output; /* mmap */
+ enum lttng_ust_output output; /* output mode */
};
struct lttng_ust_event {
} u;
};
-struct lttng_ust_tracer_version {
- uint32_t version;
- uint32_t patchlevel;
- uint32_t sublevel;
-};
-
enum lttng_ust_context_type {
LTTNG_UST_CONTEXT_VTID = 0,
};
#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 \
#define LTTNG_UST_TRACEPOINT_LIST _UST_CMD(0x42)
#define LTTNG_UST_WAIT_QUIESCENT _UST_CMD(0x43)
-/* Session FD ioctl */
+/* Session FD commands */
#define LTTNG_UST_METADATA \
_UST_CMDW(0x50, struct lttng_ust_channel)
#define LTTNG_UST_CHANNEL \
#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)
+#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 */