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556d8415 | 1 | /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */ |
e2239016 JA |
2 | /* |
3 | * Header file for the io_uring interface. | |
4 | * | |
5 | * Copyright (C) 2019 Jens Axboe | |
6 | * Copyright (C) 2019 Christoph Hellwig | |
7 | */ | |
8 | #ifndef LINUX_IO_URING_H | |
9 | #define LINUX_IO_URING_H | |
e31b8288 | 10 | |
6e70fd30 | 11 | #include <linux/fs.h> |
e2239016 | 12 | #include <linux/types.h> |
6e70fd30 | 13 | |
e31b8288 | 14 | /* |
f0403f94 | 15 | * IO submission data structure (Submission Queue Entry) |
e31b8288 | 16 | */ |
f0403f94 | 17 | struct io_uring_sqe { |
a7086591 | 18 | __u8 opcode; /* type of operation for this sqe */ |
48e698fa | 19 | __u8 flags; /* IOSQE_ flags */ |
a7086591 JA |
20 | __u16 ioprio; /* ioprio for the request */ |
21 | __s32 fd; /* file descriptor to do IO on */ | |
b10b1e70 JA |
22 | union { |
23 | __u64 off; /* offset into file */ | |
24 | __u64 addr2; | |
855dc4d4 | 25 | __u32 cmd_op; |
b10b1e70 | 26 | }; |
556d8415 JA |
27 | union { |
28 | __u64 addr; /* pointer to buffer or iovecs */ | |
29 | __u64 splice_off_in; | |
30 | }; | |
a7086591 | 31 | __u32 len; /* buffer size or number of iovecs */ |
e31b8288 JA |
32 | union { |
33 | __kernel_rwf_t rw_flags; | |
48e698fa | 34 | __u32 fsync_flags; |
556d8415 JA |
35 | __u16 poll_events; /* compatibility */ |
36 | __u32 poll32_events; /* word-reversed for BE */ | |
a819dfb6 | 37 | __u32 sync_range_flags; |
b10b1e70 JA |
38 | __u32 msg_flags; |
39 | __u32 timeout_flags; | |
40 | __u32 accept_flags; | |
41 | __u32 cancel_flags; | |
42 | __u32 open_flags; | |
43 | __u32 statx_flags; | |
556d8415 JA |
44 | __u32 fadvise_advice; |
45 | __u32 splice_flags; | |
9f51d89c JA |
46 | __u32 rename_flags; |
47 | __u32 unlink_flags; | |
48 | __u32 hardlink_flags; | |
021ce718 | 49 | __u32 uring_cmd_flags; |
e31b8288 | 50 | }; |
48e698fa | 51 | __u64 user_data; /* data to be passed back at completion time */ |
9f51d89c | 52 | /* pack this to avoid bogus arm OABI complaints */ |
f3e769a4 | 53 | union { |
9f51d89c JA |
54 | /* index into fixed buffers, if used */ |
55 | __u16 buf_index; | |
56 | /* for grouped buffer selection */ | |
57 | __u16 buf_group; | |
58 | } __attribute__((packed)); | |
59 | /* personality to use, if used */ | |
60 | __u16 personality; | |
61 | union { | |
62 | __s32 splice_fd_in; | |
63 | __u32 file_index; | |
f3e769a4 | 64 | }; |
1bca8ad1 AG |
65 | union { |
66 | struct { | |
67 | __u64 addr3; | |
68 | __u64 __pad2[1]; | |
69 | }; | |
70 | /* | |
71 | * If the ring is initialized with IORING_SETUP_SQE128, then | |
72 | * this field is used for 80 bytes of arbitrary command data | |
73 | */ | |
74 | __u8 cmd[0]; | |
75 | }; | |
e31b8288 JA |
76 | }; |
77 | ||
556d8415 JA |
78 | enum { |
79 | IOSQE_FIXED_FILE_BIT, | |
80 | IOSQE_IO_DRAIN_BIT, | |
81 | IOSQE_IO_LINK_BIT, | |
82 | IOSQE_IO_HARDLINK_BIT, | |
83 | IOSQE_ASYNC_BIT, | |
84 | IOSQE_BUFFER_SELECT_BIT, | |
788f19d4 | 85 | IOSQE_CQE_SKIP_SUCCESS_BIT, |
556d8415 JA |
86 | }; |
87 | ||
2ea53ca3 JA |
88 | /* |
89 | * sqe->flags | |
90 | */ | |
556d8415 JA |
91 | /* use fixed fileset */ |
92 | #define IOSQE_FIXED_FILE (1U << IOSQE_FIXED_FILE_BIT) | |
93 | /* issue after inflight IO */ | |
94 | #define IOSQE_IO_DRAIN (1U << IOSQE_IO_DRAIN_BIT) | |
95 | /* links next sqe */ | |
96 | #define IOSQE_IO_LINK (1U << IOSQE_IO_LINK_BIT) | |
97 | /* like LINK, but stronger */ | |
98 | #define IOSQE_IO_HARDLINK (1U << IOSQE_IO_HARDLINK_BIT) | |
99 | /* always go async */ | |
100 | #define IOSQE_ASYNC (1U << IOSQE_ASYNC_BIT) | |
101 | /* select buffer from sqe->buf_group */ | |
102 | #define IOSQE_BUFFER_SELECT (1U << IOSQE_BUFFER_SELECT_BIT) | |
788f19d4 JA |
103 | /* don't post CQE if request succeeded */ |
104 | #define IOSQE_CQE_SKIP_SUCCESS (1U << IOSQE_CQE_SKIP_SUCCESS_BIT) | |
2ea53ca3 | 105 | |
e31b8288 JA |
106 | /* |
107 | * io_uring_setup() flags | |
108 | */ | |
e9d4aa07 JA |
109 | #define IORING_SETUP_IOPOLL (1U << 0) /* io_context is polled */ |
110 | #define IORING_SETUP_SQPOLL (1U << 1) /* SQ poll thread */ | |
111 | #define IORING_SETUP_SQ_AFF (1U << 2) /* sq_thread_cpu is valid */ | |
b10b1e70 | 112 | #define IORING_SETUP_CQSIZE (1U << 3) /* app defines CQ size */ |
556d8415 JA |
113 | #define IORING_SETUP_CLAMP (1U << 4) /* clamp SQ/CQ ring sizes */ |
114 | #define IORING_SETUP_ATTACH_WQ (1U << 5) /* attach to existing wq */ | |
9f51d89c | 115 | #define IORING_SETUP_R_DISABLED (1U << 6) /* start with ring disabled */ |
1bca8ad1 AG |
116 | #define IORING_SETUP_SUBMIT_ALL (1U << 7) /* continue submit on error */ |
117 | /* | |
118 | * Cooperative task running. When requests complete, they often require | |
119 | * forcing the submitter to transition to the kernel to complete. If this | |
120 | * flag is set, work will be done when the task transitions anyway, rather | |
121 | * than force an inter-processor interrupt reschedule. This avoids interrupting | |
122 | * a task running in userspace, and saves an IPI. | |
123 | */ | |
124 | #define IORING_SETUP_COOP_TASKRUN (1U << 8) | |
125 | /* | |
126 | * If COOP_TASKRUN is set, get notified if task work is available for | |
127 | * running and a kernel transition would be needed to run it. This sets | |
128 | * IORING_SQ_TASKRUN in the sq ring flags. Not valid with COOP_TASKRUN. | |
129 | */ | |
130 | #define IORING_SETUP_TASKRUN_FLAG (1U << 9) | |
131 | ||
132 | #define IORING_SETUP_SQE128 (1U << 10) /* SQEs are 128 byte */ | |
133 | #define IORING_SETUP_CQE32 (1U << 11) /* CQEs are 32 byte */ | |
b10b1e70 | 134 | |
e453f369 JA |
135 | /* |
136 | * Only one task is allowed to submit requests | |
137 | */ | |
138 | #define IORING_SETUP_SINGLE_ISSUER (1U << 12) | |
139 | ||
140 | /* | |
141 | * Defer running task work to get events. | |
142 | * Rather than running bits of task work whenever the task transitions | |
143 | * try to do it just before it is needed. | |
144 | */ | |
145 | #define IORING_SETUP_DEFER_TASKRUN (1U << 13) | |
146 | ||
b10b1e70 JA |
147 | enum { |
148 | IORING_OP_NOP, | |
149 | IORING_OP_READV, | |
150 | IORING_OP_WRITEV, | |
151 | IORING_OP_FSYNC, | |
152 | IORING_OP_READ_FIXED, | |
153 | IORING_OP_WRITE_FIXED, | |
154 | IORING_OP_POLL_ADD, | |
155 | IORING_OP_POLL_REMOVE, | |
156 | IORING_OP_SYNC_FILE_RANGE, | |
157 | IORING_OP_SENDMSG, | |
158 | IORING_OP_RECVMSG, | |
159 | IORING_OP_TIMEOUT, | |
160 | IORING_OP_TIMEOUT_REMOVE, | |
161 | IORING_OP_ACCEPT, | |
162 | IORING_OP_ASYNC_CANCEL, | |
163 | IORING_OP_LINK_TIMEOUT, | |
164 | IORING_OP_CONNECT, | |
165 | IORING_OP_FALLOCATE, | |
166 | IORING_OP_OPENAT, | |
167 | IORING_OP_CLOSE, | |
168 | IORING_OP_FILES_UPDATE, | |
169 | IORING_OP_STATX, | |
170 | IORING_OP_READ, | |
171 | IORING_OP_WRITE, | |
556d8415 JA |
172 | IORING_OP_FADVISE, |
173 | IORING_OP_MADVISE, | |
174 | IORING_OP_SEND, | |
175 | IORING_OP_RECV, | |
176 | IORING_OP_OPENAT2, | |
177 | IORING_OP_EPOLL_CTL, | |
178 | IORING_OP_SPLICE, | |
179 | IORING_OP_PROVIDE_BUFFERS, | |
180 | IORING_OP_REMOVE_BUFFERS, | |
181 | IORING_OP_TEE, | |
9f51d89c JA |
182 | IORING_OP_SHUTDOWN, |
183 | IORING_OP_RENAMEAT, | |
184 | IORING_OP_UNLINKAT, | |
185 | IORING_OP_MKDIRAT, | |
186 | IORING_OP_SYMLINKAT, | |
187 | IORING_OP_LINKAT, | |
855dc4d4 AG |
188 | IORING_OP_MSG_RING, |
189 | IORING_OP_FSETXATTR, | |
190 | IORING_OP_SETXATTR, | |
191 | IORING_OP_FGETXATTR, | |
192 | IORING_OP_GETXATTR, | |
193 | IORING_OP_SOCKET, | |
194 | IORING_OP_URING_CMD, | |
195 | ||
e31b8288 | 196 | |
b10b1e70 JA |
197 | /* this goes last, obviously */ |
198 | IORING_OP_LAST, | |
199 | }; | |
48e698fa | 200 | |
021ce718 JA |
201 | /* |
202 | * sqe->uring_cmd_flags | |
203 | * IORING_URING_CMD_FIXED use registered buffer; pass thig flag | |
204 | * along with setting sqe->buf_index. | |
205 | */ | |
206 | #define IORING_URING_CMD_FIXED (1U << 0) | |
207 | ||
48e698fa JA |
208 | /* |
209 | * sqe->fsync_flags | |
210 | */ | |
e9d4aa07 | 211 | #define IORING_FSYNC_DATASYNC (1U << 0) |
e31b8288 | 212 | |
b10b1e70 JA |
213 | /* |
214 | * sqe->timeout_flags | |
215 | */ | |
9f51d89c JA |
216 | #define IORING_TIMEOUT_ABS (1U << 0) |
217 | #define IORING_TIMEOUT_UPDATE (1U << 1) | |
218 | #define IORING_TIMEOUT_BOOTTIME (1U << 2) | |
219 | #define IORING_TIMEOUT_REALTIME (1U << 3) | |
220 | #define IORING_LINK_TIMEOUT_UPDATE (1U << 4) | |
221 | #define IORING_TIMEOUT_ETIME_SUCCESS (1U << 5) | |
222 | #define IORING_TIMEOUT_CLOCK_MASK (IORING_TIMEOUT_BOOTTIME | IORING_TIMEOUT_REALTIME) | |
223 | #define IORING_TIMEOUT_UPDATE_MASK (IORING_TIMEOUT_UPDATE | IORING_LINK_TIMEOUT_UPDATE) | |
556d8415 JA |
224 | /* |
225 | * sqe->splice_flags | |
226 | * extends splice(2) flags | |
227 | */ | |
228 | #define SPLICE_F_FD_IN_FIXED (1U << 31) /* the last bit of __u32 */ | |
229 | ||
9f51d89c JA |
230 | /* |
231 | * POLL_ADD flags. Note that since sqe->poll_events is the flag space, the | |
232 | * command flags for POLL_ADD are stored in sqe->len. | |
233 | * | |
234 | * IORING_POLL_ADD_MULTI Multishot poll. Sets IORING_CQE_F_MORE if | |
235 | * the poll handler will continue to report | |
236 | * CQEs on behalf of the same SQE. | |
237 | * | |
238 | * IORING_POLL_UPDATE Update existing poll request, matching | |
239 | * sqe->addr as the old user_data field. | |
240 | */ | |
241 | #define IORING_POLL_ADD_MULTI (1U << 0) | |
242 | #define IORING_POLL_UPDATE_EVENTS (1U << 1) | |
243 | #define IORING_POLL_UPDATE_USER_DATA (1U << 2) | |
244 | ||
e31b8288 | 245 | /* |
f0403f94 | 246 | * IO completion data structure (Completion Queue Entry) |
e31b8288 | 247 | */ |
f0403f94 | 248 | struct io_uring_cqe { |
48e698fa | 249 | __u64 user_data; /* sqe->data submission passed back */ |
e2239016 JA |
250 | __s32 res; /* result code for this event */ |
251 | __u32 flags; | |
1bca8ad1 AG |
252 | |
253 | /* | |
254 | * If the ring is initialized with IORING_SETUP_CQE32, then this field | |
255 | * contains 16-bytes of padding, doubling the size of the CQE. | |
256 | */ | |
257 | __u64 big_cqe[]; | |
e31b8288 JA |
258 | }; |
259 | ||
556d8415 JA |
260 | /* |
261 | * cqe->flags | |
262 | * | |
263 | * IORING_CQE_F_BUFFER If set, the upper 16 bits are the buffer ID | |
9f51d89c | 264 | * IORING_CQE_F_MORE If set, parent SQE will generate more CQE entries |
556d8415 JA |
265 | */ |
266 | #define IORING_CQE_F_BUFFER (1U << 0) | |
9f51d89c | 267 | #define IORING_CQE_F_MORE (1U << 1) |
556d8415 JA |
268 | |
269 | enum { | |
270 | IORING_CQE_BUFFER_SHIFT = 16, | |
271 | }; | |
272 | ||
e31b8288 JA |
273 | /* |
274 | * Magic offsets for the application to mmap the data it needs | |
275 | */ | |
276 | #define IORING_OFF_SQ_RING 0ULL | |
277 | #define IORING_OFF_CQ_RING 0x8000000ULL | |
f0403f94 | 278 | #define IORING_OFF_SQES 0x10000000ULL |
e31b8288 JA |
279 | |
280 | /* | |
281 | * Filled with the offset for mmap(2) | |
282 | */ | |
283 | struct io_sqring_offsets { | |
e2239016 JA |
284 | __u32 head; |
285 | __u32 tail; | |
286 | __u32 ring_mask; | |
287 | __u32 ring_entries; | |
288 | __u32 flags; | |
289 | __u32 dropped; | |
290 | __u32 array; | |
66169493 JA |
291 | __u32 resv1; |
292 | __u64 resv2; | |
e31b8288 JA |
293 | }; |
294 | ||
48e698fa JA |
295 | /* |
296 | * sq_ring->flags | |
297 | */ | |
e9d4aa07 | 298 | #define IORING_SQ_NEED_WAKEUP (1U << 0) /* needs io_uring_enter wakeup */ |
556d8415 | 299 | #define IORING_SQ_CQ_OVERFLOW (1U << 1) /* CQ ring is overflown */ |
e31b8288 JA |
300 | |
301 | struct io_cqring_offsets { | |
e2239016 JA |
302 | __u32 head; |
303 | __u32 tail; | |
304 | __u32 ring_mask; | |
305 | __u32 ring_entries; | |
306 | __u32 overflow; | |
f0403f94 | 307 | __u32 cqes; |
556d8415 JA |
308 | __u32 flags; |
309 | __u32 resv1; | |
310 | __u64 resv2; | |
e31b8288 JA |
311 | }; |
312 | ||
556d8415 JA |
313 | /* |
314 | * cq_ring->flags | |
315 | */ | |
316 | ||
317 | /* disable eventfd notifications */ | |
318 | #define IORING_CQ_EVENTFD_DISABLED (1U << 0) | |
319 | ||
e2239016 JA |
320 | /* |
321 | * io_uring_enter(2) flags | |
322 | */ | |
788f19d4 JA |
323 | #define IORING_ENTER_GETEVENTS (1U << 0) |
324 | #define IORING_ENTER_SQ_WAKEUP (1U << 1) | |
325 | #define IORING_ENTER_SQ_WAIT (1U << 2) | |
326 | #define IORING_ENTER_EXT_ARG (1U << 3) | |
327 | #define IORING_ENTER_REGISTERED_RING (1U << 4) | |
e31b8288 JA |
328 | |
329 | /* | |
330 | * Passed in for io_uring_setup(2). Copied back with updated info on success | |
331 | */ | |
332 | struct io_uring_params { | |
e2239016 JA |
333 | __u32 sq_entries; |
334 | __u32 cq_entries; | |
335 | __u32 flags; | |
e9d4aa07 JA |
336 | __u32 sq_thread_cpu; |
337 | __u32 sq_thread_idle; | |
b10b1e70 | 338 | __u32 features; |
556d8415 JA |
339 | __u32 wq_fd; |
340 | __u32 resv[3]; | |
e31b8288 JA |
341 | struct io_sqring_offsets sq_off; |
342 | struct io_cqring_offsets cq_off; | |
343 | }; | |
344 | ||
b10b1e70 JA |
345 | /* |
346 | * io_uring_params->features flags | |
347 | */ | |
348 | #define IORING_FEAT_SINGLE_MMAP (1U << 0) | |
349 | #define IORING_FEAT_NODROP (1U << 1) | |
350 | #define IORING_FEAT_SUBMIT_STABLE (1U << 2) | |
556d8415 JA |
351 | #define IORING_FEAT_RW_CUR_POS (1U << 3) |
352 | #define IORING_FEAT_CUR_PERSONALITY (1U << 4) | |
353 | #define IORING_FEAT_FAST_POLL (1U << 5) | |
354 | #define IORING_FEAT_POLL_32BITS (1U << 6) | |
9f51d89c JA |
355 | #define IORING_FEAT_SQPOLL_NONFIXED (1U << 7) |
356 | #define IORING_FEAT_EXT_ARG (1U << 8) | |
357 | #define IORING_FEAT_NATIVE_WORKERS (1U << 9) | |
358 | #define IORING_FEAT_RSRC_TAGS (1U << 10) | |
788f19d4 | 359 | #define IORING_FEAT_CQE_SKIP (1U << 11) |
b10b1e70 | 360 | |
2ea53ca3 JA |
361 | /* |
362 | * io_uring_register(2) opcodes and arguments | |
363 | */ | |
9f51d89c JA |
364 | enum { |
365 | IORING_REGISTER_BUFFERS = 0, | |
366 | IORING_UNREGISTER_BUFFERS = 1, | |
367 | IORING_REGISTER_FILES = 2, | |
368 | IORING_UNREGISTER_FILES = 3, | |
369 | IORING_REGISTER_EVENTFD = 4, | |
370 | IORING_UNREGISTER_EVENTFD = 5, | |
371 | IORING_REGISTER_FILES_UPDATE = 6, | |
372 | IORING_REGISTER_EVENTFD_ASYNC = 7, | |
373 | IORING_REGISTER_PROBE = 8, | |
374 | IORING_REGISTER_PERSONALITY = 9, | |
375 | IORING_UNREGISTER_PERSONALITY = 10, | |
376 | IORING_REGISTER_RESTRICTIONS = 11, | |
377 | IORING_REGISTER_ENABLE_RINGS = 12, | |
378 | ||
379 | /* extended with tagging */ | |
380 | IORING_REGISTER_FILES2 = 13, | |
381 | IORING_REGISTER_FILES_UPDATE2 = 14, | |
382 | IORING_REGISTER_BUFFERS2 = 15, | |
383 | IORING_REGISTER_BUFFERS_UPDATE = 16, | |
384 | ||
385 | /* set/clear io-wq thread affinities */ | |
386 | IORING_REGISTER_IOWQ_AFF = 17, | |
387 | IORING_UNREGISTER_IOWQ_AFF = 18, | |
388 | ||
389 | /* set/get max number of io-wq workers */ | |
390 | IORING_REGISTER_IOWQ_MAX_WORKERS = 19, | |
b10b1e70 | 391 | |
788f19d4 JA |
392 | /* register/unregister io_uring fd with the ring */ |
393 | IORING_REGISTER_RING_FDS = 20, | |
394 | IORING_UNREGISTER_RING_FDS = 21, | |
395 | ||
9f51d89c JA |
396 | /* this goes last */ |
397 | IORING_REGISTER_LAST | |
398 | }; | |
399 | ||
400 | /* io-wq worker categories */ | |
401 | enum { | |
402 | IO_WQ_BOUND, | |
403 | IO_WQ_UNBOUND, | |
404 | }; | |
405 | ||
406 | /* deprecated, see struct io_uring_rsrc_update */ | |
b10b1e70 JA |
407 | struct io_uring_files_update { |
408 | __u32 offset; | |
556d8415 JA |
409 | __u32 resv; |
410 | __aligned_u64 /* __s32 * */ fds; | |
b10b1e70 | 411 | }; |
2ea53ca3 | 412 | |
9f51d89c JA |
413 | struct io_uring_rsrc_register { |
414 | __u32 nr; | |
415 | __u32 resv; | |
416 | __u64 resv2; | |
417 | __aligned_u64 data; | |
418 | __aligned_u64 tags; | |
419 | }; | |
420 | ||
421 | struct io_uring_rsrc_update { | |
422 | __u32 offset; | |
423 | __u32 resv; | |
424 | __aligned_u64 data; | |
425 | }; | |
426 | ||
427 | struct io_uring_rsrc_update2 { | |
428 | __u32 offset; | |
429 | __u32 resv; | |
430 | __aligned_u64 data; | |
431 | __aligned_u64 tags; | |
432 | __u32 nr; | |
433 | __u32 resv2; | |
434 | }; | |
435 | ||
436 | /* Skip updating fd indexes set to this value in the fd table */ | |
437 | #define IORING_REGISTER_FILES_SKIP (-2) | |
438 | ||
556d8415 JA |
439 | #define IO_URING_OP_SUPPORTED (1U << 0) |
440 | ||
441 | struct io_uring_probe_op { | |
442 | __u8 op; | |
443 | __u8 resv; | |
444 | __u16 flags; /* IO_URING_OP_* flags */ | |
445 | __u32 resv2; | |
446 | }; | |
447 | ||
448 | struct io_uring_probe { | |
449 | __u8 last_op; /* last opcode supported */ | |
450 | __u8 ops_len; /* length of ops[] array below */ | |
451 | __u16 resv; | |
452 | __u32 resv2[3]; | |
453 | struct io_uring_probe_op ops[0]; | |
454 | }; | |
455 | ||
9f51d89c JA |
456 | struct io_uring_restriction { |
457 | __u16 opcode; | |
458 | union { | |
459 | __u8 register_op; /* IORING_RESTRICTION_REGISTER_OP */ | |
460 | __u8 sqe_op; /* IORING_RESTRICTION_SQE_OP */ | |
461 | __u8 sqe_flags; /* IORING_RESTRICTION_SQE_FLAGS_* */ | |
462 | }; | |
463 | __u8 resv; | |
464 | __u32 resv2[3]; | |
465 | }; | |
466 | ||
467 | /* | |
468 | * io_uring_restriction->opcode values | |
469 | */ | |
470 | enum { | |
471 | /* Allow an io_uring_register(2) opcode */ | |
472 | IORING_RESTRICTION_REGISTER_OP = 0, | |
473 | ||
474 | /* Allow an sqe opcode */ | |
475 | IORING_RESTRICTION_SQE_OP = 1, | |
476 | ||
477 | /* Allow sqe flags */ | |
478 | IORING_RESTRICTION_SQE_FLAGS_ALLOWED = 2, | |
479 | ||
480 | /* Require sqe flags (these flags must be set on each submission) */ | |
481 | IORING_RESTRICTION_SQE_FLAGS_REQUIRED = 3, | |
482 | ||
483 | IORING_RESTRICTION_LAST | |
484 | }; | |
485 | ||
486 | struct io_uring_getevents_arg { | |
487 | __u64 sigmask; | |
488 | __u32 sigmask_sz; | |
489 | __u32 pad; | |
490 | __u64 ts; | |
491 | }; | |
556d8415 | 492 | |
e31b8288 | 493 | #endif |