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