+++ /dev/null
-/*
- * Copyright 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: MIT
- *
- * Copied from LTTng-UST lttng/ust-abi.h
- *
- * LTTng-UST ABI header
- *
- */
-
-#ifndef LTTNG_UST_ABI_INTERNAL_H
-#define LTTNG_UST_ABI_INTERNAL_H
-
-#include <stdint.h>
-#include <common/macros.h>
-
-#ifndef LTTNG_PACKED
-#error "LTTNG_PACKED should be defined"
-#endif
-
-#ifndef __ust_stringify
-#define __ust_stringify1(x) #x
-#define __ust_stringify(x) __ust_stringify1(x)
-#endif /* __ust_stringify */
-
-#define LTTNG_UST_ABI_SYM_NAME_LEN 256
-#define LTTNG_UST_ABI_PROCNAME_LEN 16
-
-/* UST comm magic number, used to validate protocol and endianness. */
-#define LTTNG_UST_ABI_COMM_MAGIC 0xC57C57C5
-
-/* Version for ABI between liblttng-ust, sessiond, consumerd */
-#define LTTNG_UST_ABI_MAJOR_VERSION 9
-#define LTTNG_UST_ABI_MAJOR_VERSION_OLDEST_COMPATIBLE 8
-#define LTTNG_UST_ABI_MINOR_VERSION 0
-
-enum lttng_ust_abi_instrumentation {
- LTTNG_UST_ABI_TRACEPOINT = 0,
- LTTNG_UST_ABI_PROBE = 1,
- LTTNG_UST_ABI_FUNCTION = 2,
-};
-
-enum lttng_ust_abi_loglevel_type {
- LTTNG_UST_ABI_LOGLEVEL_ALL = 0,
- LTTNG_UST_ABI_LOGLEVEL_RANGE = 1,
- LTTNG_UST_ABI_LOGLEVEL_SINGLE = 2,
-};
-
-enum lttng_ust_abi_output {
- LTTNG_UST_ABI_MMAP = 0,
-};
-
-enum lttng_ust_abi_chan_type {
- LTTNG_UST_ABI_CHAN_PER_CPU = 0,
- LTTNG_UST_ABI_CHAN_METADATA = 1,
-};
-
-struct lttng_ust_abi_tracer_version {
- uint32_t major;
- uint32_t minor;
- uint32_t patchlevel;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_CHANNEL_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-/*
- * Given that the consumerd is limited to 64k file descriptors, we
- * cannot expect much more than 1MB channel structure size. This size is
- * depends on the number of streams within a channel, which depends on
- * the number of possible CPUs on the system.
- */
-#define LTTNG_UST_ABI_CHANNEL_DATA_MAX_LEN 1048576U
-struct lttng_ust_abi_channel {
- uint64_t len;
- int32_t type; /* enum lttng_ust_abi_chan_type */
- char padding[LTTNG_UST_ABI_CHANNEL_PADDING];
- char data[]; /* variable sized data */
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_STREAM_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_stream {
- uint64_t len; /* shm len */
- uint32_t stream_nr; /* stream number */
- char padding[LTTNG_UST_ABI_STREAM_PADDING1];
- /*
- * shm_fd and wakeup_fd are send over unix socket as file
- * descriptors after this structure.
- */
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_COUNTER_DIMENSION_MAX 4
-
-enum lttng_ust_abi_counter_arithmetic {
- LTTNG_UST_ABI_COUNTER_ARITHMETIC_MODULAR = 0,
- LTTNG_UST_ABI_COUNTER_ARITHMETIC_SATURATION = 1,
-};
-
-enum lttng_ust_abi_counter_bitness {
- LTTNG_UST_ABI_COUNTER_BITNESS_32 = 0,
- LTTNG_UST_ABI_COUNTER_BITNESS_64 = 1,
-};
-
-struct lttng_ust_abi_counter_dimension {
- uint64_t size;
- uint64_t underflow_index;
- uint64_t overflow_index;
- uint8_t has_underflow;
- uint8_t has_overflow;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_COUNTER_CONF_PADDING1 67
-struct lttng_ust_abi_counter_conf {
- uint32_t arithmetic; /* enum lttng_ust_counter_arithmetic */
- uint32_t bitness; /* enum lttng_ust_counter_bitness */
- uint32_t number_dimensions;
- int64_t global_sum_step;
- struct lttng_ust_abi_counter_dimension dimensions[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX];
- uint8_t coalesce_hits;
- char padding[LTTNG_UST_ABI_COUNTER_CONF_PADDING1];
-} LTTNG_PACKED;
-
-struct lttng_ust_abi_counter_value {
- uint32_t number_dimensions;
- uint64_t dimension_indexes[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX];
- int64_t value;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_EVENT_PADDING1 8
-#define LTTNG_UST_ABI_EVENT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_event {
- int32_t instrumentation; /* enum lttng_ust_abi_instrumentation */
- char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* event name */
-
- int32_t loglevel_type; /* enum lttng_ust_abi_loglevel_type */
- int32_t loglevel; /* value, -1: all */
- uint64_t token; /* User-provided token */
- char padding[LTTNG_UST_ABI_EVENT_PADDING1];
-
- /* Per instrumentation type configuration */
- union {
- char padding[LTTNG_UST_ABI_EVENT_PADDING2];
- } u;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING 32
-struct lttng_ust_abi_event_notifier {
- struct lttng_ust_abi_event event;
- uint64_t error_counter_index;
- char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
-struct lttng_ust_abi_event_notifier_notification {
- uint64_t token;
- uint16_t capture_buf_size;
- char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_COUNTER_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-#define LTTNG_UST_ABI_COUNTER_DATA_MAX_LEN 4096U
-struct lttng_ust_abi_counter {
- uint64_t len;
- char padding[LTTNG_UST_ABI_COUNTER_PADDING1];
- char data[]; /* variable sized data */
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_counter_global {
- uint64_t len; /* shm len */
- char padding[LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_COUNTER_CPU_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_counter_cpu {
- uint64_t len; /* shm len */
- uint32_t cpu_nr;
- char padding[LTTNG_UST_ABI_COUNTER_CPU_PADDING1];
-} LTTNG_PACKED;
-
-enum lttng_ust_abi_field_type {
- LTTNG_UST_ABI_FIELD_OTHER = 0,
- LTTNG_UST_ABI_FIELD_INTEGER = 1,
- LTTNG_UST_ABI_FIELD_ENUM = 2,
- LTTNG_UST_ABI_FIELD_FLOAT = 3,
- LTTNG_UST_ABI_FIELD_STRING = 4,
-};
-
-#define LTTNG_UST_ABI_FIELD_ITER_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 28)
-struct lttng_ust_abi_field_iter {
- char event_name[LTTNG_UST_ABI_SYM_NAME_LEN];
- char field_name[LTTNG_UST_ABI_SYM_NAME_LEN];
- int32_t type; /* enum lttng_ust_abi_field_type */
- int loglevel; /* event loglevel */
- int nowrite;
- char padding[LTTNG_UST_ABI_FIELD_ITER_PADDING];
-} LTTNG_PACKED;
-
-enum lttng_ust_abi_context_type {
- LTTNG_UST_ABI_CONTEXT_VTID = 0,
- LTTNG_UST_ABI_CONTEXT_VPID = 1,
- LTTNG_UST_ABI_CONTEXT_PTHREAD_ID = 2,
- LTTNG_UST_ABI_CONTEXT_PROCNAME = 3,
- LTTNG_UST_ABI_CONTEXT_IP = 4,
- LTTNG_UST_ABI_CONTEXT_PERF_THREAD_COUNTER = 5,
- LTTNG_UST_ABI_CONTEXT_CPU_ID = 6,
- LTTNG_UST_ABI_CONTEXT_APP_CONTEXT = 7,
- LTTNG_UST_ABI_CONTEXT_CGROUP_NS = 8,
- LTTNG_UST_ABI_CONTEXT_IPC_NS = 9,
- LTTNG_UST_ABI_CONTEXT_MNT_NS = 10,
- LTTNG_UST_ABI_CONTEXT_NET_NS = 11,
- LTTNG_UST_ABI_CONTEXT_PID_NS = 12,
- LTTNG_UST_ABI_CONTEXT_USER_NS = 13,
- LTTNG_UST_ABI_CONTEXT_UTS_NS = 14,
- LTTNG_UST_ABI_CONTEXT_VUID = 15,
- LTTNG_UST_ABI_CONTEXT_VEUID = 16,
- LTTNG_UST_ABI_CONTEXT_VSUID = 17,
- LTTNG_UST_ABI_CONTEXT_VGID = 18,
- LTTNG_UST_ABI_CONTEXT_VEGID = 19,
- LTTNG_UST_ABI_CONTEXT_VSGID = 20,
- LTTNG_UST_ABI_CONTEXT_TIME_NS = 21,
-};
-
-struct lttng_ust_abi_perf_counter_ctx {
- uint32_t type;
- uint64_t config;
- char name[LTTNG_UST_ABI_SYM_NAME_LEN];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_CONTEXT_PADDING1 16
-#define LTTNG_UST_ABI_CONTEXT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_context {
- int32_t ctx; /* enum lttng_ust_abi_context_type */
- char padding[LTTNG_UST_ABI_CONTEXT_PADDING1];
-
- union {
- struct lttng_ust_abi_perf_counter_ctx perf_counter;
- struct {
- /* Includes trailing '\0'. */
- uint32_t provider_name_len;
- uint32_t ctx_name_len;
- } app_ctx;
- char padding[LTTNG_UST_ABI_CONTEXT_PADDING2];
- } u;
-} LTTNG_PACKED;
-
-/*
- * Tracer channel attributes.
- */
-#define LTTNG_UST_ABI_CHANNEL_ATTR_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_channel_attr {
- uint64_t subbuf_size; /* bytes */
- uint64_t num_subbuf; /* power of 2 */
- int overwrite; /* 1: overwrite, 0: discard */
- unsigned int switch_timer_interval; /* usec */
- unsigned int read_timer_interval; /* usec */
- int32_t output; /* enum lttng_ust_abi_output */
- union {
- struct {
- int64_t blocking_timeout; /* Blocking timeout (usec) */
- } s;
- char padding[LTTNG_UST_ABI_CHANNEL_ATTR_PADDING];
- } u;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING 16
-struct lttng_ust_abi_tracepoint_iter {
- char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* provider:name */
- int loglevel;
- char padding[LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING];
-} LTTNG_PACKED;
-
-enum lttng_ust_abi_object_type {
- LTTNG_UST_ABI_OBJECT_TYPE_UNKNOWN = -1,
- LTTNG_UST_ABI_OBJECT_TYPE_CHANNEL = 0,
- LTTNG_UST_ABI_OBJECT_TYPE_STREAM = 1,
- LTTNG_UST_ABI_OBJECT_TYPE_EVENT = 2,
- LTTNG_UST_ABI_OBJECT_TYPE_CONTEXT = 3,
- LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER_GROUP = 4,
- LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER = 5,
- LTTNG_UST_ABI_OBJECT_TYPE_COUNTER = 6,
- LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_GLOBAL = 7,
- LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_CPU = 8,
-};
-
-#define LTTNG_UST_ABI_OBJECT_DATA_PADDING1 32
-#define LTTNG_UST_ABI_OBJECT_DATA_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-
-struct lttng_ust_abi_object_data {
- int32_t type; /* enum lttng_ust_abi_object_type */
- int handle;
- uint64_t size;
- char padding1[LTTNG_UST_ABI_OBJECT_DATA_PADDING1];
- union {
- struct {
- void *data;
- int32_t type; /* enum lttng_ust_abi_chan_type */
- int wakeup_fd;
- } channel;
- struct {
- int shm_fd;
- int wakeup_fd;
- uint32_t stream_nr;
- } stream;
- struct {
- void *data;
- } counter;
- struct {
- int shm_fd;
- } counter_global;
- struct {
- int shm_fd;
- uint32_t cpu_nr;
- } counter_cpu;
- char padding2[LTTNG_UST_ABI_OBJECT_DATA_PADDING2];
- } u;
-} LTTNG_PACKED;
-
-enum lttng_ust_calibrate_type {
- LTTNG_UST_ABI_CALIBRATE_TRACEPOINT,
-};
-
-#define LTTNG_UST_ABI_CALIBRATE_PADDING1 16
-#define LTTNG_UST_ABI_CALIBRATE_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
-struct lttng_ust_abi_calibrate {
- enum lttng_ust_calibrate_type type; /* type (input) */
- char padding[LTTNG_UST_ABI_CALIBRATE_PADDING1];
-
- union {
- char padding[LTTNG_UST_ABI_CALIBRATE_PADDING2];
- } u;
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_FILTER_BYTECODE_MAX_LEN 65536
-#define LTTNG_UST_ABI_FILTER_PADDING 32
-struct lttng_ust_abi_filter_bytecode {
- uint32_t len;
- uint32_t reloc_offset;
- uint64_t seqnum;
- char padding[LTTNG_UST_ABI_FILTER_PADDING];
- char data[0];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
-#define LTTNG_UST_ABI_CAPTURE_PADDING 32
-struct lttng_ust_abi_capture_bytecode {
- uint32_t len;
- uint32_t reloc_offset;
- uint64_t seqnum;
- char padding[LTTNG_UST_ABI_CAPTURE_PADDING];
- char data[0];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_EXCLUSION_PADDING 32
-struct lttng_ust_abi_event_exclusion {
- uint32_t count;
- char padding[LTTNG_UST_ABI_EXCLUSION_PADDING];
- char names[LTTNG_UST_ABI_SYM_NAME_LEN][0];
-} LTTNG_PACKED;
-
-#define LTTNG_UST_ABI_CMD(minor) (minor)
-#define LTTNG_UST_ABI_CMDR(minor, type) (minor)
-#define LTTNG_UST_ABI_CMDW(minor, type) (minor)
-
-/* Handled by object descriptor */
-#define LTTNG_UST_ABI_RELEASE LTTNG_UST_ABI_CMD(0x1)
-
-/* Handled by object cmd */
-
-/* LTTng-UST commands */
-#define LTTNG_UST_ABI_SESSION LTTNG_UST_ABI_CMD(0x40)
-#define LTTNG_UST_ABI_TRACER_VERSION \
- LTTNG_UST_ABI_CMDR(0x41, struct lttng_ust_abi_tracer_version)
-#define LTTNG_UST_ABI_TRACEPOINT_LIST LTTNG_UST_ABI_CMD(0x42)
-#define LTTNG_UST_ABI_WAIT_QUIESCENT LTTNG_UST_ABI_CMD(0x43)
-#define LTTNG_UST_ABI_REGISTER_DONE LTTNG_UST_ABI_CMD(0x44)
-#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST LTTNG_UST_ABI_CMD(0x45)
-#define LTTNG_UST_ABI_EVENT_NOTIFIER_GROUP_CREATE \
- LTTNG_UST_ABI_CMD(0x46)
-
-/* Session commands */
-#define LTTNG_UST_ABI_CHANNEL \
- LTTNG_UST_ABI_CMDW(0x51, struct lttng_ust_abi_channel)
-#define LTTNG_UST_ABI_SESSION_START LTTNG_UST_ABI_CMD(0x52)
-#define LTTNG_UST_ABI_SESSION_STOP LTTNG_UST_ABI_CMD(0x53)
-#define LTTNG_UST_ABI_SESSION_STATEDUMP LTTNG_UST_ABI_CMD(0x54)
-
-/* Channel commands */
-#define LTTNG_UST_ABI_STREAM LTTNG_UST_ABI_CMD(0x60)
-#define LTTNG_UST_ABI_EVENT \
- LTTNG_UST_ABI_CMDW(0x61, struct lttng_ust_abi_event)
-
-/* Event and channel commands */
-#define LTTNG_UST_ABI_CONTEXT \
- LTTNG_UST_ABI_CMDW(0x70, struct lttng_ust_abi_context)
-#define LTTNG_UST_ABI_FLUSH_BUFFER \
- LTTNG_UST_ABI_CMD(0x71)
-
-/* Event, event notifier, channel and session commands */
-#define LTTNG_UST_ABI_ENABLE LTTNG_UST_ABI_CMD(0x80)
-#define LTTNG_UST_ABI_DISABLE LTTNG_UST_ABI_CMD(0x81)
-
-/* Tracepoint list commands */
-#define LTTNG_UST_ABI_TRACEPOINT_LIST_GET LTTNG_UST_ABI_CMD(0x90)
-#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST_GET LTTNG_UST_ABI_CMD(0x91)
-
-/* Event and event notifier commands */
-#define LTTNG_UST_ABI_FILTER LTTNG_UST_ABI_CMD(0xA0)
-#define LTTNG_UST_ABI_EXCLUSION LTTNG_UST_ABI_CMD(0xA1)
-
-/* Event notifier group commands */
-#define LTTNG_UST_ABI_EVENT_NOTIFIER_CREATE \
- LTTNG_UST_ABI_CMDW(0xB0, struct lttng_ust_abi_event_notifier)
-
-/* Event notifier commands */
-#define LTTNG_UST_ABI_CAPTURE LTTNG_UST_ABI_CMD(0xB6)
-
-/* Session and event notifier group commands */
-#define LTTNG_UST_ABI_COUNTER \
- LTTNG_UST_ABI_CMDW(0xC0, struct lttng_ust_abi_counter)
-
-/* Counter commands */
-#define LTTNG_UST_ABI_COUNTER_GLOBAL \
- LTTNG_UST_ABI_CMDW(0xD0, struct lttng_ust_abi_counter_global)
-#define LTTNG_UST_ABI_COUNTER_CPU \
- LTTNG_UST_ABI_CMDW(0xD1, struct lttng_ust_abi_counter_cpu)
-
-#define LTTNG_UST_ABI_ROOT_HANDLE 0
-
-#endif /* LTTNG_UST_ABI_INTERNAL_H */
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