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b7cdc182 | 1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
9f36eaed | 2 | * |
2df37e95 | 3 | * lttng/abi.h |
57a13317 | 4 | * |
80996790 | 5 | * LTTng ABI header |
17baffe2 | 6 | * |
886d51a3 | 7 | * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
57a13317 MD |
8 | */ |
9 | ||
9f36eaed MJ |
10 | #ifndef _LTTNG_ABI_H |
11 | #define _LTTNG_ABI_H | |
12 | ||
57a13317 | 13 | #include <linux/fs.h> |
99f52fcc | 14 | #include <linux/types.h> |
57a13317 | 15 | |
42cabb80 MD |
16 | /* |
17 | * Major/minor version of ABI exposed to lttng tools. Major number | |
18 | * should be increased when an incompatible ABI change is done. | |
19 | */ | |
606828e4 MD |
20 | #define LTTNG_KERNEL_ABI_MAJOR_VERSION 2 |
21 | #define LTTNG_KERNEL_ABI_MINOR_VERSION 6 | |
22 | ||
23 | #define LTTNG_KERNEL_ABI_SYM_NAME_LEN 256 | |
24 | #define LTTNG_KERNEL_ABI_SESSION_NAME_LEN 256 | |
3bd6d7bd MD |
25 | |
26 | /* | |
27 | * The expected iso8601 time formats are either: | |
28 | * | |
29 | * - YYYYmmddTHHMMSS+HHMM (20 characters + \0) | |
30 | * - YYYY-mm-ddTHH:MM:SS+HH:MM (25 characters + \0) | |
31 | */ | |
606828e4 MD |
32 | #define LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN 26 |
33 | ||
34 | enum lttng_kernel_abi_instrumentation { | |
35 | LTTNG_KERNEL_ABI_TRACEPOINT = 0, | |
36 | LTTNG_KERNEL_ABI_KPROBE = 1, | |
37 | LTTNG_KERNEL_ABI_FUNCTION = 2, | |
38 | LTTNG_KERNEL_ABI_KRETPROBE = 3, | |
39 | LTTNG_KERNEL_ABI_NOOP = 4, /* not hooked */ | |
40 | LTTNG_KERNEL_ABI_SYSCALL = 5, | |
41 | LTTNG_KERNEL_ABI_UPROBE = 6, | |
57a13317 MD |
42 | }; |
43 | ||
96ba7208 JD |
44 | /* |
45 | * LTTng consumer mode | |
46 | */ | |
606828e4 MD |
47 | enum lttng_kernel_abi_output { |
48 | LTTNG_KERNEL_ABI_SPLICE = 0, | |
49 | LTTNG_KERNEL_ABI_MMAP = 1, | |
96ba7208 JD |
50 | }; |
51 | ||
57a13317 MD |
52 | /* |
53 | * LTTng DebugFS ABI structures. | |
54 | */ | |
606828e4 MD |
55 | #define LTTNG_KERNEL_ABI_CHANNEL_PADDING LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32 |
56 | struct lttng_kernel_abi_channel { | |
9e245ead | 57 | uint64_t subbuf_size; /* in bytes */ |
80c16bcf | 58 | uint64_t num_subbuf; |
9e245ead MD |
59 | unsigned int switch_timer_interval; /* usecs */ |
60 | unsigned int read_timer_interval; /* usecs */ | |
606828e4 | 61 | uint32_t output; /* enum lttng_kernel_abi_output (splice, mmap) */ |
6dccd6c1 | 62 | int overwrite; /* 1: overwrite, 0: discard */ |
606828e4 | 63 | char padding[LTTNG_KERNEL_ABI_CHANNEL_PADDING]; |
1a598612 | 64 | } __attribute__((packed)); |
57a13317 | 65 | |
606828e4 MD |
66 | enum lttng_kernel_abi_kretprobe_entryexit { |
67 | LTTNG_KERNEL_ABI_KRETPROBE_ENTRYEXIT = 0, | |
68 | LTTNG_KERNEL_ABI_KRETPROBE_ENTRY = 1, | |
69 | LTTNG_KERNEL_ABI_KRETPROBE_EXIT = 2, | |
88a82b17 MD |
70 | }; |
71 | ||
606828e4 | 72 | struct lttng_kernel_abi_kretprobe { |
7371f44c MD |
73 | uint64_t addr; |
74 | ||
75 | uint64_t offset; | |
606828e4 MD |
76 | char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; |
77 | uint8_t entryexit; /* enum lttng_kernel_abi_kretprobe_entryexit */ | |
1a598612 | 78 | } __attribute__((packed)); |
7371f44c | 79 | |
38d024ae MD |
80 | /* |
81 | * Either addr is used, or symbol_name and offset. | |
82 | */ | |
606828e4 | 83 | struct lttng_kernel_abi_kprobe { |
80c16bcf | 84 | uint64_t addr; |
38d024ae | 85 | |
80c16bcf | 86 | uint64_t offset; |
606828e4 | 87 | char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; |
1a598612 | 88 | } __attribute__((packed)); |
d6d808f3 | 89 | |
606828e4 MD |
90 | struct lttng_kernel_abi_function_tracer { |
91 | char symbol_name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; | |
1a598612 | 92 | } __attribute__((packed)); |
f17701fb | 93 | |
606828e4 | 94 | struct lttng_kernel_abi_uprobe { |
56377c91 | 95 | int fd; |
3aed4dca FD |
96 | } __attribute__((packed)); |
97 | ||
606828e4 | 98 | struct lttng_kernel_abi_event_callsite_uprobe { |
149b9a9d YB |
99 | uint64_t offset; |
100 | } __attribute__((packed)); | |
101 | ||
606828e4 | 102 | struct lttng_kernel_abi_event_callsite { |
3aed4dca | 103 | union { |
606828e4 | 104 | struct lttng_kernel_abi_event_callsite_uprobe uprobe; |
3aed4dca FD |
105 | } u; |
106 | } __attribute__((packed)); | |
107 | ||
606828e4 MD |
108 | enum lttng_kernel_abi_syscall_entryexit { |
109 | LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT = 0, | |
110 | LTTNG_KERNEL_ABI_SYSCALL_ENTRY = 1, | |
111 | LTTNG_KERNEL_ABI_SYSCALL_EXIT = 2, | |
badfe9f5 MD |
112 | }; |
113 | ||
606828e4 MD |
114 | enum lttng_kernel_abi_syscall_abi { |
115 | LTTNG_KERNEL_ABI_SYSCALL_ABI_ALL = 0, | |
116 | LTTNG_KERNEL_ABI_SYSCALL_ABI_NATIVE = 1, | |
117 | LTTNG_KERNEL_ABI_SYSCALL_ABI_COMPAT = 2, | |
badfe9f5 MD |
118 | }; |
119 | ||
606828e4 MD |
120 | enum lttng_kernel_abi_syscall_match { |
121 | LTTNG_KERNEL_ABI_SYSCALL_MATCH_NAME = 0, | |
122 | LTTNG_KERNEL_ABI_SYSCALL_MATCH_NR = 1, /* Not implemented. */ | |
badfe9f5 MD |
123 | }; |
124 | ||
606828e4 MD |
125 | struct lttng_kernel_abi_syscall { |
126 | uint8_t entryexit; /* enum lttng_kernel_abi_syscall_entryexit */ | |
127 | uint8_t abi; /* enum lttng_kernel_abi_syscall_abi */ | |
128 | uint8_t match; /* enum lttng_kernel_abi_syscall_match */ | |
badfe9f5 MD |
129 | uint8_t padding; |
130 | uint32_t nr; /* For LTTNG_SYSCALL_MATCH_NR */ | |
131 | } __attribute__((packed)); | |
132 | ||
43880ee8 | 133 | /* |
3c997079 | 134 | * For syscall tracing, name = "*" means "enable all". |
43880ee8 | 135 | */ |
606828e4 MD |
136 | #define LTTNG_KERNEL_ABI_EVENT_PADDING1 8 |
137 | #define LTTNG_KERNEL_ABI_EVENT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32 | |
138 | struct lttng_kernel_abi_event { | |
139 | char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; /* event name */ | |
140 | uint32_t instrumentation; /* enum lttng_kernel_abi_instrumentation */ | |
d4f52727 | 141 | uint64_t token; /* User-provided token */ |
606828e4 | 142 | char padding[LTTNG_KERNEL_ABI_EVENT_PADDING1]; |
8e099bae | 143 | |
d6d808f3 MD |
144 | /* Per instrumentation type configuration */ |
145 | union { | |
606828e4 MD |
146 | struct lttng_kernel_abi_kretprobe kretprobe; |
147 | struct lttng_kernel_abi_kprobe kprobe; | |
148 | struct lttng_kernel_abi_function_tracer ftrace; | |
149 | struct lttng_kernel_abi_uprobe uprobe; | |
150 | struct lttng_kernel_abi_syscall syscall; | |
151 | char padding[LTTNG_KERNEL_ABI_EVENT_PADDING2]; | |
d6d808f3 | 152 | } u; |
1a598612 | 153 | } __attribute__((packed)); |
c099397a | 154 | |
606828e4 MD |
155 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING 32 |
156 | struct lttng_kernel_abi_event_notifier { | |
157 | struct lttng_kernel_abi_event event; | |
99f52fcc | 158 | uint64_t error_counter_index; |
dffef45d | 159 | |
606828e4 | 160 | char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING]; |
dffef45d FD |
161 | } __attribute__((packed)); |
162 | ||
606828e4 | 163 | #define LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX 4 |
dd1ee958 | 164 | |
606828e4 MD |
165 | enum lttng_kernel_abi_counter_arithmetic { |
166 | LTTNG_KERNEL_ABI_COUNTER_ARITHMETIC_MODULAR = 0, | |
99f52fcc FD |
167 | }; |
168 | ||
606828e4 MD |
169 | enum lttng_kernel_abi_counter_bitness { |
170 | LTTNG_KERNEL_ABI_COUNTER_BITNESS_32 = 0, | |
171 | LTTNG_KERNEL_ABI_COUNTER_BITNESS_64 = 1, | |
99f52fcc FD |
172 | }; |
173 | ||
606828e4 | 174 | struct lttng_kernel_abi_counter_dimension { |
99f52fcc FD |
175 | uint64_t size; |
176 | uint64_t underflow_index; | |
177 | uint64_t overflow_index; | |
178 | uint8_t has_underflow; | |
179 | uint8_t has_overflow; | |
180 | } __attribute__((packed)); | |
181 | ||
606828e4 MD |
182 | #define LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1 67 |
183 | struct lttng_kernel_abi_counter_conf { | |
184 | uint32_t arithmetic; /* enum lttng_kernel_abi_counter_arithmetic */ | |
185 | uint32_t bitness; /* enum lttng_kernel_abi_counter_bitness */ | |
99f52fcc FD |
186 | uint32_t number_dimensions; |
187 | int64_t global_sum_step; | |
606828e4 | 188 | struct lttng_kernel_abi_counter_dimension dimensions[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX]; |
dd1ee958 | 189 | uint8_t coalesce_hits; |
606828e4 | 190 | char padding[LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1]; |
99f52fcc FD |
191 | } __attribute__((packed)); |
192 | ||
606828e4 | 193 | struct lttng_kernel_abi_counter_index { |
99f52fcc | 194 | uint32_t number_dimensions; |
606828e4 | 195 | uint64_t dimension_indexes[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX]; |
99f52fcc FD |
196 | } __attribute__((packed)); |
197 | ||
606828e4 | 198 | struct lttng_kernel_abi_counter_value { |
99f52fcc FD |
199 | int64_t value; |
200 | uint8_t underflow; | |
201 | uint8_t overflow; | |
202 | } __attribute__((packed)); | |
203 | ||
606828e4 MD |
204 | #define LTTNG_KERNEL_ABI_COUNTER_READ_PADDING 32 |
205 | struct lttng_kernel_abi_counter_read { | |
206 | struct lttng_kernel_abi_counter_index index; | |
99f52fcc | 207 | int32_t cpu; /* -1 for global counter, >= 0 for specific cpu. */ |
606828e4 MD |
208 | struct lttng_kernel_abi_counter_value value; /* output */ |
209 | char padding[LTTNG_KERNEL_ABI_COUNTER_READ_PADDING]; | |
99f52fcc FD |
210 | } __attribute__((packed)); |
211 | ||
606828e4 MD |
212 | #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING 32 |
213 | struct lttng_kernel_abi_counter_aggregate { | |
214 | struct lttng_kernel_abi_counter_index index; | |
215 | struct lttng_kernel_abi_counter_value value; /* output */ | |
216 | char padding[LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING]; | |
99f52fcc FD |
217 | } __attribute__((packed)); |
218 | ||
606828e4 MD |
219 | #define LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING 32 |
220 | struct lttng_kernel_abi_counter_clear { | |
221 | struct lttng_kernel_abi_counter_index index; | |
222 | char padding[LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING]; | |
99f52fcc FD |
223 | } __attribute__((packed)); |
224 | ||
606828e4 MD |
225 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32 |
226 | struct lttng_kernel_abi_event_notifier_notification { | |
99d223ad FD |
227 | uint64_t token; |
228 | uint16_t capture_buf_size; | |
606828e4 | 229 | char padding[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING]; |
99d223ad FD |
230 | } __attribute__((packed)); |
231 | ||
606828e4 | 232 | struct lttng_kernel_abi_tracer_version { |
c6c9e10f MD |
233 | uint32_t major; |
234 | uint32_t minor; | |
80c16bcf | 235 | uint32_t patchlevel; |
1a598612 | 236 | } __attribute__((packed)); |
80c16bcf | 237 | |
606828e4 | 238 | struct lttng_kernel_abi_tracer_abi_version { |
42cabb80 MD |
239 | uint32_t major; |
240 | uint32_t minor; | |
241 | } __attribute__((packed)); | |
242 | ||
606828e4 MD |
243 | struct lttng_kernel_abi_session_name { |
244 | char name[LTTNG_KERNEL_ABI_SESSION_NAME_LEN]; | |
7f859fbf JR |
245 | } __attribute__((packed)); |
246 | ||
606828e4 MD |
247 | struct lttng_kernel_abi_session_creation_time { |
248 | char iso8601[LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN]; | |
1c88f269 JR |
249 | } __attribute__((packed)); |
250 | ||
606828e4 MD |
251 | enum lttng_kernel_abi_calibrate_type { |
252 | LTTNG_KERNEL_ABI_CALIBRATE_KRETPROBE, | |
57105fc2 MD |
253 | }; |
254 | ||
606828e4 MD |
255 | struct lttng_kernel_abi_calibrate { |
256 | uint32_t type; /* enum lttng_kernel_abi_calibrate_type (input) */ | |
1a598612 | 257 | } __attribute__((packed)); |
57105fc2 | 258 | |
606828e4 | 259 | struct lttng_kernel_abi_syscall_mask { |
12e579db MD |
260 | uint32_t len; /* in bits */ |
261 | char mask[]; | |
262 | } __attribute__((packed)); | |
263 | ||
606828e4 MD |
264 | enum lttng_kernel_abi_context_type { |
265 | LTTNG_KERNEL_ABI_CONTEXT_PID = 0, | |
266 | LTTNG_KERNEL_ABI_CONTEXT_PERF_COUNTER = 1, | |
267 | LTTNG_KERNEL_ABI_CONTEXT_PROCNAME = 2, | |
268 | LTTNG_KERNEL_ABI_CONTEXT_PRIO = 3, | |
269 | LTTNG_KERNEL_ABI_CONTEXT_NICE = 4, | |
270 | LTTNG_KERNEL_ABI_CONTEXT_VPID = 5, | |
271 | LTTNG_KERNEL_ABI_CONTEXT_TID = 6, | |
272 | LTTNG_KERNEL_ABI_CONTEXT_VTID = 7, | |
273 | LTTNG_KERNEL_ABI_CONTEXT_PPID = 8, | |
274 | LTTNG_KERNEL_ABI_CONTEXT_VPPID = 9, | |
275 | LTTNG_KERNEL_ABI_CONTEXT_HOSTNAME = 10, | |
276 | LTTNG_KERNEL_ABI_CONTEXT_CPU_ID = 11, | |
277 | LTTNG_KERNEL_ABI_CONTEXT_INTERRUPTIBLE = 12, | |
278 | LTTNG_KERNEL_ABI_CONTEXT_PREEMPTIBLE = 13, | |
279 | LTTNG_KERNEL_ABI_CONTEXT_NEED_RESCHEDULE = 14, | |
280 | LTTNG_KERNEL_ABI_CONTEXT_MIGRATABLE = 15, | |
281 | LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_KERNEL = 16, | |
282 | LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_USER = 17, | |
283 | LTTNG_KERNEL_ABI_CONTEXT_CGROUP_NS = 18, | |
284 | LTTNG_KERNEL_ABI_CONTEXT_IPC_NS = 19, | |
285 | LTTNG_KERNEL_ABI_CONTEXT_MNT_NS = 20, | |
286 | LTTNG_KERNEL_ABI_CONTEXT_NET_NS = 21, | |
287 | LTTNG_KERNEL_ABI_CONTEXT_PID_NS = 22, | |
288 | LTTNG_KERNEL_ABI_CONTEXT_USER_NS = 23, | |
289 | LTTNG_KERNEL_ABI_CONTEXT_UTS_NS = 24, | |
290 | LTTNG_KERNEL_ABI_CONTEXT_UID = 25, | |
291 | LTTNG_KERNEL_ABI_CONTEXT_EUID = 26, | |
292 | LTTNG_KERNEL_ABI_CONTEXT_SUID = 27, | |
293 | LTTNG_KERNEL_ABI_CONTEXT_GID = 28, | |
294 | LTTNG_KERNEL_ABI_CONTEXT_EGID = 29, | |
295 | LTTNG_KERNEL_ABI_CONTEXT_SGID = 30, | |
296 | LTTNG_KERNEL_ABI_CONTEXT_VUID = 31, | |
297 | LTTNG_KERNEL_ABI_CONTEXT_VEUID = 32, | |
298 | LTTNG_KERNEL_ABI_CONTEXT_VSUID = 33, | |
299 | LTTNG_KERNEL_ABI_CONTEXT_VGID = 34, | |
300 | LTTNG_KERNEL_ABI_CONTEXT_VEGID = 35, | |
301 | LTTNG_KERNEL_ABI_CONTEXT_VSGID = 36, | |
302 | LTTNG_KERNEL_ABI_CONTEXT_TIME_NS = 37, | |
8070f5c0 MD |
303 | }; |
304 | ||
606828e4 | 305 | struct lttng_kernel_abi_perf_counter_ctx { |
8070f5c0 MD |
306 | uint32_t type; |
307 | uint64_t config; | |
606828e4 | 308 | char name[LTTNG_KERNEL_ABI_SYM_NAME_LEN]; |
1a598612 | 309 | } __attribute__((packed)); |
8070f5c0 | 310 | |
606828e4 MD |
311 | #define LTTNG_KERNEL_ABI_CONTEXT_PADDING1 16 |
312 | #define LTTNG_KERNEL_ABI_CONTEXT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32 | |
313 | struct lttng_kernel_abi_context { | |
314 | uint32_t ctx; /*enum lttng_kernel_abi_context_type */ | |
315 | char padding[LTTNG_KERNEL_ABI_CONTEXT_PADDING1]; | |
8e099bae | 316 | |
8070f5c0 | 317 | union { |
606828e4 MD |
318 | struct lttng_kernel_abi_perf_counter_ctx perf_counter; |
319 | char padding[LTTNG_KERNEL_ABI_CONTEXT_PADDING2]; | |
8070f5c0 | 320 | } u; |
1a598612 | 321 | } __attribute__((packed)); |
8070f5c0 | 322 | |
606828e4 MD |
323 | #define LTTNG_KERNEL_ABI_FILTER_BYTECODE_MAX_LEN 65536 |
324 | struct lttng_kernel_abi_filter_bytecode { | |
07dfc1d0 MD |
325 | uint32_t len; |
326 | uint32_t reloc_offset; | |
327 | uint64_t seqnum; | |
a62977ca | 328 | char data[]; |
07dfc1d0 MD |
329 | } __attribute__((packed)); |
330 | ||
606828e4 MD |
331 | #define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN 65536 |
332 | struct lttng_kernel_abi_capture_bytecode { | |
99d223ad FD |
333 | uint32_t len; |
334 | uint32_t reloc_offset; | |
335 | uint64_t seqnum; | |
a62977ca | 336 | char data[]; |
99d223ad FD |
337 | } __attribute__((packed)); |
338 | ||
606828e4 MD |
339 | enum lttng_kernel_abi_tracker_type { |
340 | LTTNG_KERNEL_ABI_TRACKER_UNKNOWN = -1, | |
d1f652f8 | 341 | |
606828e4 MD |
342 | LTTNG_KERNEL_ABI_TRACKER_PID = 0, |
343 | LTTNG_KERNEL_ABI_TRACKER_VPID = 1, | |
344 | LTTNG_KERNEL_ABI_TRACKER_UID = 2, | |
345 | LTTNG_KERNEL_ABI_TRACKER_VUID = 3, | |
346 | LTTNG_KERNEL_ABI_TRACKER_GID = 4, | |
347 | LTTNG_KERNEL_ABI_TRACKER_VGID = 5, | |
d1f652f8 MD |
348 | }; |
349 | ||
606828e4 MD |
350 | struct lttng_kernel_abi_tracker_args { |
351 | uint32_t type; /* enum lttng_kernel_abi_tracker_type */ | |
d1f652f8 MD |
352 | int32_t id; |
353 | }; | |
354 | ||
33749530 | 355 | /* LTTng file descriptor ioctl */ |
2df37e95 | 356 | /* lttng/abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */ |
606828e4 MD |
357 | #define LTTNG_KERNEL_ABI_SESSION _IO(0xF6, 0x45) |
358 | #define LTTNG_KERNEL_ABI_TRACER_VERSION \ | |
359 | _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version) | |
360 | #define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47) | |
361 | #define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48) | |
362 | #define LTTNG_KERNEL_ABI_CALIBRATE \ | |
363 | _IOWR(0xF6, 0x49, struct lttng_kernel_abi_calibrate) | |
364 | #define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A) | |
365 | #define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \ | |
366 | _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version) | |
367 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE _IO(0xF6, 0x4C) | |
33749530 MD |
368 | |
369 | /* Session FD ioctl */ | |
2df37e95 | 370 | /* lttng/abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */ |
606828e4 MD |
371 | #define LTTNG_KERNEL_ABI_METADATA \ |
372 | _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel) | |
373 | #define LTTNG_KERNEL_ABI_CHANNEL \ | |
374 | _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel) | |
375 | #define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56) | |
376 | #define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57) | |
377 | #define LTTNG_KERNEL_ABI_SESSION_TRACK_PID \ | |
8c71721f | 378 | _IOW(0xF6, 0x58, int32_t) |
606828e4 | 379 | #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID \ |
8c71721f | 380 | _IOW(0xF6, 0x59, int32_t) |
d1f652f8 | 381 | |
fe40f016 MD |
382 | /* |
383 | * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO | |
384 | * are generating two different ioctl numbers, but this was not done on | |
385 | * purpose. We should generally try to avoid those duplications. | |
386 | */ | |
606828e4 MD |
387 | #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) |
388 | #define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59) | |
7f859fbf | 389 | |
2df37e95 | 390 | /* lttng/abi-old.h reserve 0x5A and 0x5B. */ |
606828e4 MD |
391 | #define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C) |
392 | #define LTTNG_KERNEL_ABI_SESSION_SET_NAME \ | |
8c71721f | 393 | _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name) |
606828e4 | 394 | #define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \ |
8c71721f | 395 | _IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time) |
33749530 MD |
396 | |
397 | /* Channel FD ioctl */ | |
2df37e95 | 398 | /* lttng/abi-old.h reserve 0x60 and 0x61. */ |
606828e4 MD |
399 | #define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62) |
400 | #define LTTNG_KERNEL_ABI_EVENT \ | |
401 | _IOW(0xF6, 0x63, struct lttng_kernel_abi_event) | |
402 | #define LTTNG_KERNEL_ABI_SYSCALL_MASK \ | |
403 | _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask) | |
57a13317 | 404 | |
8070f5c0 | 405 | /* Event and Channel FD ioctl */ |
2df37e95 | 406 | /* lttng/abi-old.h reserve 0x70. */ |
606828e4 MD |
407 | #define LTTNG_KERNEL_ABI_CONTEXT \ |
408 | _IOW(0xF6, 0x71, struct lttng_kernel_abi_context) | |
8070f5c0 | 409 | |
99f52fcc | 410 | /* Event, Event notifier, Channel, Counter and Session ioctl */ |
2df37e95 | 411 | /* lttng/abi-old.h reserve 0x80 and 0x81. */ |
606828e4 MD |
412 | #define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82) |
413 | #define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83) | |
e64957da | 414 | |
99f52fcc | 415 | /* Trigger group and session ioctl */ |
606828e4 MD |
416 | #define LTTNG_KERNEL_ABI_COUNTER \ |
417 | _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf) | |
99f52fcc | 418 | |
dffef45d | 419 | /* Event and Event notifier FD ioctl */ |
606828e4 MD |
420 | #define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90) |
421 | #define LTTNG_KERNEL_ABI_ADD_CALLSITE _IO(0xF6, 0x91) | |
07dfc1d0 | 422 | |
d1f652f8 | 423 | /* Session FD ioctl (continued) */ |
606828e4 | 424 | #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \ |
8c71721f | 425 | _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args) |
606828e4 | 426 | #define LTTNG_KERNEL_ABI_SESSION_TRACK_ID \ |
8c71721f | 427 | _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args) |
606828e4 | 428 | #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID \ |
8c71721f | 429 | _IOW(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args) |
d1f652f8 | 430 | |
dffef45d | 431 | /* Event notifier group file descriptor ioctl */ |
606828e4 MD |
432 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \ |
433 | _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier) | |
434 | #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \ | |
21f58fb7 | 435 | _IO(0xF6, 0xB1) |
dffef45d | 436 | |
99d223ad | 437 | /* Event notifier file descriptor ioctl */ |
606828e4 | 438 | #define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8) |
99d223ad | 439 | |
99f52fcc | 440 | /* Counter file descriptor ioctl */ |
606828e4 MD |
441 | #define LTTNG_KERNEL_ABI_COUNTER_READ \ |
442 | _IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read) | |
443 | #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \ | |
444 | _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate) | |
445 | #define LTTNG_KERNEL_ABI_COUNTER_CLEAR \ | |
446 | _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear) | |
99f52fcc FD |
447 | |
448 | ||
1aca53e1 MD |
449 | /* |
450 | * LTTng-specific ioctls for the lib ringbuffer. | |
451 | * | |
452 | * Operations applying to the current sub-buffer need to occur between | |
453 | * a get/put or get_next/put_next ioctl pair. | |
454 | */ | |
455 | ||
3b731ab1 | 456 | /* returns the timestamp begin of the current sub-buffer */ |
606828e4 | 457 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) |
3b731ab1 | 458 | /* returns the timestamp end of the current sub-buffer */ |
606828e4 | 459 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t) |
1aca53e1 | 460 | /* returns the number of events discarded of the current sub-buffer */ |
606828e4 | 461 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t) |
1aca53e1 | 462 | /* returns the packet payload size of the current sub-buffer */ |
606828e4 | 463 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t) |
1aca53e1 | 464 | /* returns the packet size of the current sub-buffer*/ |
606828e4 | 465 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t) |
1aca53e1 | 466 | /* returns the stream id (invariant for the stream) */ |
606828e4 | 467 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t) |
1aca53e1 | 468 | /* returns the current timestamp as perceived from the tracer */ |
606828e4 | 469 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t) |
1aca53e1 | 470 | /* returns the packet sequence number of the current sub-buffer */ |
606828e4 | 471 | #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t) |
1aca53e1 | 472 | /* returns the stream instance id (invariant for the stream) */ |
606828e4 | 473 | #define LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t) |
3b731ab1 | 474 | |
8c71721f MD |
475 | /* |
476 | * Those ioctl numbers use the wrong direction, but are kept for ABI backward | |
477 | * compatibility. | |
478 | */ | |
479 | #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME \ | |
480 | _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name) | |
481 | #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \ | |
482 | _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time) | |
483 | #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID \ | |
484 | _IOR(0xF6, 0x58, int32_t) | |
485 | #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID \ | |
486 | _IOR(0xF6, 0x59, int32_t) | |
487 | #define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \ | |
488 | _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args) | |
489 | #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID \ | |
490 | _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args) | |
491 | #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \ | |
492 | _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args) | |
493 | ||
3b731ab1 JD |
494 | #ifdef CONFIG_COMPAT |
495 | /* returns the timestamp begin of the current sub-buffer */ | |
606828e4 MD |
496 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \ |
497 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN | |
3b731ab1 | 498 | /* returns the timestamp end of the current sub-buffer */ |
606828e4 MD |
499 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \ |
500 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END | |
1aca53e1 | 501 | /* returns the number of events discarded of the current sub-buffer */ |
606828e4 MD |
502 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \ |
503 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED | |
1aca53e1 | 504 | /* returns the packet payload size of the current sub-buffer */ |
606828e4 MD |
505 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \ |
506 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE | |
1aca53e1 | 507 | /* returns the packet size of the current sub-buffer */ |
606828e4 MD |
508 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_PACKET_SIZE \ |
509 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE | |
1aca53e1 | 510 | /* returns the stream id (invariant for the stream) */ |
606828e4 MD |
511 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_STREAM_ID \ |
512 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID | |
1aca53e1 | 513 | /* returns the current timestamp as perceived from the tracer */ |
606828e4 MD |
514 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \ |
515 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP | |
1aca53e1 | 516 | /* returns the packet sequence number of the current sub-buffer */ |
606828e4 MD |
517 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_SEQ_NUM \ |
518 | LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM | |
1aca53e1 | 519 | /* returns the stream instance id (invariant for the stream) */ |
606828e4 MD |
520 | #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_INSTANCE_ID \ |
521 | LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID | |
3b731ab1 JD |
522 | #endif /* CONFIG_COMPAT */ |
523 | ||
e8951e63 | 524 | #endif /* _LTTNG_ABI_H */ |