ust-abi: add missing lttng_ust_abi prefixes
[lttng-tools.git] / src / bin / lttng-sessiond / ust-abi-internal.h
CommitLineData
75018ab6 1/*
ab5be9fa 2 * Copyright 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
75018ab6 3 *
ab5be9fa 4 * SPDX-License-Identifier: MIT
75018ab6 5 *
ab5be9fa 6 * Copied from LTTng-UST lttng/ust-abi.h
75018ab6 7 *
ab5be9fa 8 * LTTng-UST ABI header
75018ab6 9 *
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10 */
11
12#ifndef LTTNG_UST_ABI_INTERNAL_H
13#define LTTNG_UST_ABI_INTERNAL_H
14
15#include <stdint.h>
fe7de4bf 16#include <common/macros.h>
75018ab6 17
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18#ifndef LTTNG_PACKED
19#error "LTTNG_PACKED should be defined"
20#endif
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21
22#ifndef __ust_stringify
23#define __ust_stringify1(x) #x
24#define __ust_stringify(x) __ust_stringify1(x)
25#endif /* __ust_stringify */
26
fc4b93fa 27#define LTTNG_UST_ABI_SYM_NAME_LEN 256
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28#define LTTNG_UST_ABI_PROCNAME_LEN 16
29
30/* UST comm magic number, used to validate protocol and endianness. */
fc4b93fa 31#define LTTNG_UST_ABI_COMM_MAGIC 0xC57C57C5
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32
33/* Version for ABI between liblttng-ust, sessiond, consumerd */
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34#define LTTNG_UST_ABI_MAJOR_VERSION 9
35#define LTTNG_UST_ABI_MAJOR_VERSION_OLDEST_COMPATIBLE 8
36#define LTTNG_UST_ABI_MINOR_VERSION 0
37
38enum lttng_ust_abi_instrumentation {
39 LTTNG_UST_ABI_TRACEPOINT = 0,
40 LTTNG_UST_ABI_PROBE = 1,
41 LTTNG_UST_ABI_FUNCTION = 2,
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42};
43
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44enum lttng_ust_abi_loglevel_type {
45 LTTNG_UST_ABI_LOGLEVEL_ALL = 0,
46 LTTNG_UST_ABI_LOGLEVEL_RANGE = 1,
47 LTTNG_UST_ABI_LOGLEVEL_SINGLE = 2,
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48};
49
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50enum lttng_ust_abi_output {
51 LTTNG_UST_ABI_MMAP = 0,
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52};
53
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54enum lttng_ust_abi_chan_type {
55 LTTNG_UST_ABI_CHAN_PER_CPU = 0,
56 LTTNG_UST_ABI_CHAN_METADATA = 1,
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57};
58
fc4b93fa 59struct lttng_ust_abi_tracer_version {
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60 uint32_t major;
61 uint32_t minor;
62 uint32_t patchlevel;
63} LTTNG_PACKED;
64
fc4b93fa 65#define LTTNG_UST_ABI_CHANNEL_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
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66/*
67 * Given that the consumerd is limited to 64k file descriptors, we
68 * cannot expect much more than 1MB channel structure size. This size is
69 * depends on the number of streams within a channel, which depends on
70 * the number of possible CPUs on the system.
71 */
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72#define LTTNG_UST_ABI_CHANNEL_DATA_MAX_LEN 1048576U
73struct lttng_ust_abi_channel {
75018ab6 74 uint64_t len;
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75 int32_t type; /* enum lttng_ust_abi_chan_type */
76 char padding[LTTNG_UST_ABI_CHANNEL_PADDING];
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77 char data[]; /* variable sized data */
78} LTTNG_PACKED;
79
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80#define LTTNG_UST_ABI_STREAM_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
81struct lttng_ust_abi_stream {
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82 uint64_t len; /* shm len */
83 uint32_t stream_nr; /* stream number */
fc4b93fa 84 char padding[LTTNG_UST_ABI_STREAM_PADDING1];
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85 /*
86 * shm_fd and wakeup_fd are send over unix socket as file
87 * descriptors after this structure.
88 */
89} LTTNG_PACKED;
90
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91#define LTTNG_UST_ABI_COUNTER_DIMENSION_MAX 4
92
93enum lttng_ust_abi_counter_arithmetic {
94 LTTNG_UST_ABI_COUNTER_ARITHMETIC_MODULAR = 0,
95 LTTNG_UST_ABI_COUNTER_ARITHMETIC_SATURATION = 1,
96};
97
98enum lttng_ust_abi_counter_bitness {
99 LTTNG_UST_ABI_COUNTER_BITNESS_32 = 0,
100 LTTNG_UST_ABI_COUNTER_BITNESS_64 = 1,
101};
102
103struct lttng_ust_abi_counter_dimension {
104 uint64_t size;
105 uint64_t underflow_index;
106 uint64_t overflow_index;
107 uint8_t has_underflow;
108 uint8_t has_overflow;
109} LTTNG_PACKED;
110
111#define LTTNG_UST_ABI_COUNTER_CONF_PADDING1 67
112struct lttng_ust_abi_counter_conf {
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113 uint32_t arithmetic; /* enum lttng_ust_abi_counter_arithmetic */
114 uint32_t bitness; /* enum lttng_ust_abi_counter_bitness */
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115 uint32_t number_dimensions;
116 int64_t global_sum_step;
117 struct lttng_ust_abi_counter_dimension dimensions[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX];
118 uint8_t coalesce_hits;
119 char padding[LTTNG_UST_ABI_COUNTER_CONF_PADDING1];
120} LTTNG_PACKED;
121
122struct lttng_ust_abi_counter_value {
123 uint32_t number_dimensions;
124 uint64_t dimension_indexes[LTTNG_UST_ABI_COUNTER_DIMENSION_MAX];
125 int64_t value;
126} LTTNG_PACKED;
127
128#define LTTNG_UST_ABI_EVENT_PADDING1 8
129#define LTTNG_UST_ABI_EVENT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
130struct lttng_ust_abi_event {
131 int32_t instrumentation; /* enum lttng_ust_abi_instrumentation */
132 char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* event name */
75018ab6 133
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134 int32_t loglevel_type; /* enum lttng_ust_abi_loglevel_type */
135 int32_t loglevel; /* value, -1: all */
136 uint64_t token; /* User-provided token */
137 char padding[LTTNG_UST_ABI_EVENT_PADDING1];
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138
139 /* Per instrumentation type configuration */
140 union {
fc4b93fa 141 char padding[LTTNG_UST_ABI_EVENT_PADDING2];
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142 } u;
143} LTTNG_PACKED;
144
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145#define LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING 32
146struct lttng_ust_abi_event_notifier {
147 struct lttng_ust_abi_event event;
148 uint64_t error_counter_index;
149 char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_PADDING];
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150} LTTNG_PACKED;
151
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152#define LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
153struct lttng_ust_abi_event_notifier_notification {
233350e5 154 uint64_t token;
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155 uint16_t capture_buf_size;
156 char padding[LTTNG_UST_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING];
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157} LTTNG_PACKED;
158
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159#define LTTNG_UST_ABI_COUNTER_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
160#define LTTNG_UST_ABI_COUNTER_DATA_MAX_LEN 4096U
161struct lttng_ust_abi_counter {
162 uint64_t len;
163 char padding[LTTNG_UST_ABI_COUNTER_PADDING1];
164 char data[]; /* variable sized data */
165} LTTNG_PACKED;
166
167#define LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
168struct lttng_ust_abi_counter_global {
169 uint64_t len; /* shm len */
170 char padding[LTTNG_UST_ABI_COUNTER_GLOBAL_PADDING1];
171} LTTNG_PACKED;
172
173#define LTTNG_UST_ABI_COUNTER_CPU_PADDING1 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
174struct lttng_ust_abi_counter_cpu {
175 uint64_t len; /* shm len */
176 uint32_t cpu_nr;
177 char padding[LTTNG_UST_ABI_COUNTER_CPU_PADDING1];
178} LTTNG_PACKED;
179
180enum lttng_ust_abi_field_type {
181 LTTNG_UST_ABI_FIELD_OTHER = 0,
182 LTTNG_UST_ABI_FIELD_INTEGER = 1,
183 LTTNG_UST_ABI_FIELD_ENUM = 2,
184 LTTNG_UST_ABI_FIELD_FLOAT = 3,
185 LTTNG_UST_ABI_FIELD_STRING = 4,
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186};
187
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188#define LTTNG_UST_ABI_FIELD_ITER_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 28)
189struct lttng_ust_abi_field_iter {
190 char event_name[LTTNG_UST_ABI_SYM_NAME_LEN];
191 char field_name[LTTNG_UST_ABI_SYM_NAME_LEN];
192 int32_t type; /* enum lttng_ust_abi_field_type */
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193 int loglevel; /* event loglevel */
194 int nowrite;
fc4b93fa 195 char padding[LTTNG_UST_ABI_FIELD_ITER_PADDING];
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196} LTTNG_PACKED;
197
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198enum lttng_ust_abi_context_type {
199 LTTNG_UST_ABI_CONTEXT_VTID = 0,
200 LTTNG_UST_ABI_CONTEXT_VPID = 1,
201 LTTNG_UST_ABI_CONTEXT_PTHREAD_ID = 2,
202 LTTNG_UST_ABI_CONTEXT_PROCNAME = 3,
203 LTTNG_UST_ABI_CONTEXT_IP = 4,
204 LTTNG_UST_ABI_CONTEXT_PERF_THREAD_COUNTER = 5,
205 LTTNG_UST_ABI_CONTEXT_CPU_ID = 6,
206 LTTNG_UST_ABI_CONTEXT_APP_CONTEXT = 7,
207 LTTNG_UST_ABI_CONTEXT_CGROUP_NS = 8,
208 LTTNG_UST_ABI_CONTEXT_IPC_NS = 9,
209 LTTNG_UST_ABI_CONTEXT_MNT_NS = 10,
210 LTTNG_UST_ABI_CONTEXT_NET_NS = 11,
211 LTTNG_UST_ABI_CONTEXT_PID_NS = 12,
212 LTTNG_UST_ABI_CONTEXT_USER_NS = 13,
213 LTTNG_UST_ABI_CONTEXT_UTS_NS = 14,
214 LTTNG_UST_ABI_CONTEXT_VUID = 15,
215 LTTNG_UST_ABI_CONTEXT_VEUID = 16,
216 LTTNG_UST_ABI_CONTEXT_VSUID = 17,
217 LTTNG_UST_ABI_CONTEXT_VGID = 18,
218 LTTNG_UST_ABI_CONTEXT_VEGID = 19,
219 LTTNG_UST_ABI_CONTEXT_VSGID = 20,
220 LTTNG_UST_ABI_CONTEXT_TIME_NS = 21,
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221};
222
fc4b93fa 223struct lttng_ust_abi_perf_counter_ctx {
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224 uint32_t type;
225 uint64_t config;
fc4b93fa 226 char name[LTTNG_UST_ABI_SYM_NAME_LEN];
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227} LTTNG_PACKED;
228
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229#define LTTNG_UST_ABI_CONTEXT_PADDING1 16
230#define LTTNG_UST_ABI_CONTEXT_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
231struct lttng_ust_abi_context {
232 int32_t ctx; /* enum lttng_ust_abi_context_type */
233 char padding[LTTNG_UST_ABI_CONTEXT_PADDING1];
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234
235 union {
fc4b93fa 236 struct lttng_ust_abi_perf_counter_ctx perf_counter;
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237 struct {
238 /* Includes trailing '\0'. */
239 uint32_t provider_name_len;
240 uint32_t ctx_name_len;
241 } app_ctx;
fc4b93fa 242 char padding[LTTNG_UST_ABI_CONTEXT_PADDING2];
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243 } u;
244} LTTNG_PACKED;
245
246/*
247 * Tracer channel attributes.
248 */
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249#define LTTNG_UST_ABI_CHANNEL_ATTR_PADDING (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
250struct lttng_ust_abi_channel_attr {
95194333 251 uint64_t subbuf_size; /* bytes */
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252 uint64_t num_subbuf; /* power of 2 */
253 int overwrite; /* 1: overwrite, 0: discard */
254 unsigned int switch_timer_interval; /* usec */
255 unsigned int read_timer_interval; /* usec */
fc4b93fa 256 int32_t output; /* enum lttng_ust_abi_output */
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257 union {
258 struct {
95194333 259 int64_t blocking_timeout; /* Blocking timeout (usec) */
75018ab6 260 } s;
fc4b93fa 261 char padding[LTTNG_UST_ABI_CHANNEL_ATTR_PADDING];
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262 } u;
263} LTTNG_PACKED;
264
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265#define LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING 16
266struct lttng_ust_abi_tracepoint_iter {
267 char name[LTTNG_UST_ABI_SYM_NAME_LEN]; /* provider:name */
75018ab6 268 int loglevel;
fc4b93fa 269 char padding[LTTNG_UST_ABI_TRACEPOINT_ITER_PADDING];
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270} LTTNG_PACKED;
271
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272enum lttng_ust_abi_object_type {
273 LTTNG_UST_ABI_OBJECT_TYPE_UNKNOWN = -1,
274 LTTNG_UST_ABI_OBJECT_TYPE_CHANNEL = 0,
275 LTTNG_UST_ABI_OBJECT_TYPE_STREAM = 1,
276 LTTNG_UST_ABI_OBJECT_TYPE_EVENT = 2,
277 LTTNG_UST_ABI_OBJECT_TYPE_CONTEXT = 3,
278 LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER_GROUP = 4,
279 LTTNG_UST_ABI_OBJECT_TYPE_EVENT_NOTIFIER = 5,
280 LTTNG_UST_ABI_OBJECT_TYPE_COUNTER = 6,
281 LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_GLOBAL = 7,
282 LTTNG_UST_ABI_OBJECT_TYPE_COUNTER_CPU = 8,
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283};
284
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285#define LTTNG_UST_ABI_OBJECT_DATA_PADDING1 32
286#define LTTNG_UST_ABI_OBJECT_DATA_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
75018ab6 287
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288struct lttng_ust_abi_object_data {
289 int32_t type; /* enum lttng_ust_abi_object_type */
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290 int handle;
291 uint64_t size;
fc4b93fa 292 char padding1[LTTNG_UST_ABI_OBJECT_DATA_PADDING1];
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293 union {
294 struct {
295 void *data;
fc4b93fa 296 int32_t type; /* enum lttng_ust_abi_chan_type */
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297 int wakeup_fd;
298 } channel;
299 struct {
300 int shm_fd;
301 int wakeup_fd;
302 uint32_t stream_nr;
303 } stream;
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304 struct {
305 void *data;
306 } counter;
307 struct {
308 int shm_fd;
309 } counter_global;
310 struct {
311 int shm_fd;
312 uint32_t cpu_nr;
313 } counter_cpu;
314 char padding2[LTTNG_UST_ABI_OBJECT_DATA_PADDING2];
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315 } u;
316} LTTNG_PACKED;
317
0cee7f0d 318enum lttng_ust_abi_calibrate_type {
fc4b93fa 319 LTTNG_UST_ABI_CALIBRATE_TRACEPOINT,
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320};
321
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322#define LTTNG_UST_ABI_CALIBRATE_PADDING1 16
323#define LTTNG_UST_ABI_CALIBRATE_PADDING2 (LTTNG_UST_ABI_SYM_NAME_LEN + 32)
324struct lttng_ust_abi_calibrate {
0cee7f0d 325 enum lttng_ust_abi_calibrate_type type; /* type (input) */
fc4b93fa 326 char padding[LTTNG_UST_ABI_CALIBRATE_PADDING1];
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327
328 union {
fc4b93fa 329 char padding[LTTNG_UST_ABI_CALIBRATE_PADDING2];
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330 } u;
331} LTTNG_PACKED;
332
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333#define LTTNG_UST_ABI_FILTER_BYTECODE_MAX_LEN 65536
334#define LTTNG_UST_ABI_FILTER_PADDING 32
335struct lttng_ust_abi_filter_bytecode {
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336 uint32_t len;
337 uint32_t reloc_offset;
338 uint64_t seqnum;
fc4b93fa 339 char padding[LTTNG_UST_ABI_FILTER_PADDING];
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340 char data[0];
341} LTTNG_PACKED;
342
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343#define LTTNG_UST_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
344#define LTTNG_UST_ABI_CAPTURE_PADDING 32
345struct lttng_ust_abi_capture_bytecode {
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346 uint32_t len;
347 uint32_t reloc_offset;
348 uint64_t seqnum;
fc4b93fa 349 char padding[LTTNG_UST_ABI_CAPTURE_PADDING];
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350 char data[0];
351} LTTNG_PACKED;
352
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353#define LTTNG_UST_ABI_EXCLUSION_PADDING 32
354struct lttng_ust_abi_event_exclusion {
75018ab6 355 uint32_t count;
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356 char padding[LTTNG_UST_ABI_EXCLUSION_PADDING];
357 char names[LTTNG_UST_ABI_SYM_NAME_LEN][0];
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358} LTTNG_PACKED;
359
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360#define LTTNG_UST_ABI_CMD(minor) (minor)
361#define LTTNG_UST_ABI_CMDR(minor, type) (minor)
362#define LTTNG_UST_ABI_CMDW(minor, type) (minor)
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363
364/* Handled by object descriptor */
fc4b93fa 365#define LTTNG_UST_ABI_RELEASE LTTNG_UST_ABI_CMD(0x1)
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366
367/* Handled by object cmd */
368
369/* LTTng-UST commands */
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370#define LTTNG_UST_ABI_SESSION LTTNG_UST_ABI_CMD(0x40)
371#define LTTNG_UST_ABI_TRACER_VERSION \
372 LTTNG_UST_ABI_CMDR(0x41, struct lttng_ust_abi_tracer_version)
373#define LTTNG_UST_ABI_TRACEPOINT_LIST LTTNG_UST_ABI_CMD(0x42)
374#define LTTNG_UST_ABI_WAIT_QUIESCENT LTTNG_UST_ABI_CMD(0x43)
375#define LTTNG_UST_ABI_REGISTER_DONE LTTNG_UST_ABI_CMD(0x44)
376#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST LTTNG_UST_ABI_CMD(0x45)
377#define LTTNG_UST_ABI_EVENT_NOTIFIER_GROUP_CREATE \
378 LTTNG_UST_ABI_CMD(0x46)
379
380/* Session commands */
381#define LTTNG_UST_ABI_CHANNEL \
382 LTTNG_UST_ABI_CMDW(0x51, struct lttng_ust_abi_channel)
383#define LTTNG_UST_ABI_SESSION_START LTTNG_UST_ABI_CMD(0x52)
384#define LTTNG_UST_ABI_SESSION_STOP LTTNG_UST_ABI_CMD(0x53)
385#define LTTNG_UST_ABI_SESSION_STATEDUMP LTTNG_UST_ABI_CMD(0x54)
386
387/* Channel commands */
388#define LTTNG_UST_ABI_STREAM LTTNG_UST_ABI_CMD(0x60)
389#define LTTNG_UST_ABI_EVENT \
390 LTTNG_UST_ABI_CMDW(0x61, struct lttng_ust_abi_event)
391
392/* Event and channel commands */
393#define LTTNG_UST_ABI_CONTEXT \
394 LTTNG_UST_ABI_CMDW(0x70, struct lttng_ust_abi_context)
395#define LTTNG_UST_ABI_FLUSH_BUFFER \
396 LTTNG_UST_ABI_CMD(0x71)
397
398/* Event, event notifier, channel and session commands */
399#define LTTNG_UST_ABI_ENABLE LTTNG_UST_ABI_CMD(0x80)
400#define LTTNG_UST_ABI_DISABLE LTTNG_UST_ABI_CMD(0x81)
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401
402/* Tracepoint list commands */
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403#define LTTNG_UST_ABI_TRACEPOINT_LIST_GET LTTNG_UST_ABI_CMD(0x90)
404#define LTTNG_UST_ABI_TRACEPOINT_FIELD_LIST_GET LTTNG_UST_ABI_CMD(0x91)
75018ab6 405
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406/* Event and event notifier commands */
407#define LTTNG_UST_ABI_FILTER LTTNG_UST_ABI_CMD(0xA0)
408#define LTTNG_UST_ABI_EXCLUSION LTTNG_UST_ABI_CMD(0xA1)
75018ab6 409
3d77491e 410/* Event notifier group commands */
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411#define LTTNG_UST_ABI_EVENT_NOTIFIER_CREATE \
412 LTTNG_UST_ABI_CMDW(0xB0, struct lttng_ust_abi_event_notifier)
75018ab6 413
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414/* Event notifier commands */
415#define LTTNG_UST_ABI_CAPTURE LTTNG_UST_ABI_CMD(0xB6)
75018ab6 416
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417/* Session and event notifier group commands */
418#define LTTNG_UST_ABI_COUNTER \
419 LTTNG_UST_ABI_CMDW(0xC0, struct lttng_ust_abi_counter)
75018ab6 420
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421/* Counter commands */
422#define LTTNG_UST_ABI_COUNTER_GLOBAL \
423 LTTNG_UST_ABI_CMDW(0xD0, struct lttng_ust_abi_counter_global)
424#define LTTNG_UST_ABI_COUNTER_CPU \
425 LTTNG_UST_ABI_CMDW(0xD1, struct lttng_ust_abi_counter_cpu)
75018ab6 426
fc4b93fa 427#define LTTNG_UST_ABI_ROOT_HANDLE 0
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428
429#endif /* LTTNG_UST_ABI_INTERNAL_H */
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