-#define LTTNG_UST_CHANNEL_ATTR_PADDING LTTNG_UST_SYM_NAME_LEN + 32
-struct lttng_ust_channel_attr {
- int overwrite; /* 1: overwrite, 0: discard */
- uint64_t subbuf_size; /* bytes */
- uint64_t num_subbuf; /* power of 2 */
- unsigned int switch_timer_interval; /* usec */
- unsigned int read_timer_interval; /* usec */
- enum lttng_ust_output output; /* splice, mmap */
- char padding[LTTNG_UST_CHANNEL_ATTR_PADDING];
-};
-
-#define LTTNG_UST_TRACEPOINT_ITER_PADDING 16
-struct lttng_ust_tracepoint_iter {
- char name[LTTNG_UST_SYM_NAME_LEN]; /* provider:name */
- int loglevel;
- char padding[LTTNG_UST_TRACEPOINT_ITER_PADDING];
-};
-
-#define LTTNG_UST_OBJECT_DATA_PADDING LTTNG_UST_SYM_NAME_LEN + 32
-struct lttng_ust_object_data {
- int handle;
- int shm_fd;
- int wait_fd;
- uint64_t memory_map_size;
- char padding[LTTNG_UST_OBJECT_DATA_PADDING];
-};
-
-enum lttng_ust_calibrate_type {
- LTTNG_UST_CALIBRATE_TRACEPOINT,
-};
-
-#define LTTNG_UST_CALIBRATE_PADDING1 16
-#define LTTNG_UST_CALIBRATE_PADDING2 LTTNG_UST_SYM_NAME_LEN + 32
-struct lttng_ust_calibrate {
- enum lttng_ust_calibrate_type type; /* type (input) */
- char padding[LTTNG_UST_CALIBRATE_PADDING1];
-
- union {
- char padding[LTTNG_UST_CALIBRATE_PADDING2];
- } u;
-};
-
-#define FILTER_BYTECODE_MAX_LEN 65535
-struct lttng_ust_filter_bytecode {
- uint16_t len;
- uint16_t reloc_offset;
- char data[0];
-};
-
-#define _UST_CMD(minor) (minor)
-#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)
-#define LTTNG_UST_TRACEPOINT_FIELD_LIST _UST_CMD(0x45)
-
-/* Session FD commands */
-#define LTTNG_UST_METADATA \
- _UST_CMDW(0x50, struct lttng_ust_channel)
-#define LTTNG_UST_CHANNEL \
- _UST_CMDW(0x51, struct lttng_ust_channel)
-#define LTTNG_UST_SESSION_START _UST_CMD(0x52)
-#define LTTNG_UST_SESSION_STOP _UST_CMD(0x53)
-
-/* 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 commands */
-#define LTTNG_UST_CONTEXT \
- _UST_CMDW(0x70, struct lttng_ust_context)
-#define LTTNG_UST_FLUSH_BUFFER \
- _UST_CMD(0x71)
-
-/* Event, Channel and Session commands */
-#define LTTNG_UST_ENABLE _UST_CMD(0x80)
-#define LTTNG_UST_DISABLE _UST_CMD(0x81)
-
-/* Tracepoint list commands */
-#define LTTNG_UST_TRACEPOINT_LIST_GET _UST_CMD(0x90)
-#define LTTNG_UST_TRACEPOINT_FIELD_LIST_GET _UST_CMD(0x91)
-
-#define LTTNG_UST_ROOT_HANDLE 0
-
-struct lttng_ust_obj;
-
-union ust_args {
- struct {
- int *shm_fd;
- int *wait_fd;
- uint64_t *memory_map_size;
- } channel;
- struct {
- int *shm_fd;
- int *wait_fd;
- uint64_t *memory_map_size;
- } stream;
- struct {
- struct lttng_ust_field_iter entry;
- } field_list;
-};
-
-struct lttng_ust_objd_ops {
- long (*cmd)(int objd, unsigned int cmd, unsigned long arg,
- union ust_args *args);
- int (*release)(int objd);
-};
-
-/* Create root handle. Always ID 0. */
-int lttng_abi_create_root_handle(void);