Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | *** To edit the content of this header, modify the corresponding |
| 11 | *** source file (e.g. under external/kernel-headers/original/) then |
| 12 | *** run bionic/libc/kernel/tools/update_all.py |
| 13 | *** |
| 14 | *** Any manual change here will be lost the next time this script will |
| 15 | *** be run. You've been warned! |
| 16 | *** |
| 17 | **************************************************************************** |
| 18 | ****************************************************************************/ |
| 19 | #ifndef LINUX_IO_URING_H |
| 20 | #define LINUX_IO_URING_H |
| 21 | #include <linux/fs.h> |
| 22 | #include <linux/types.h> |
| 23 | struct io_uring_sqe { |
| 24 | __u8 opcode; |
| 25 | __u8 flags; |
| 26 | __u16 ioprio; |
| 27 | __s32 fd; |
| 28 | union { |
| 29 | __u64 off; |
| 30 | __u64 addr2; |
| 31 | }; |
| 32 | union { |
| 33 | __u64 addr; |
| 34 | __u64 splice_off_in; |
| 35 | }; |
| 36 | __u32 len; |
| 37 | union { |
| 38 | __kernel_rwf_t rw_flags; |
| 39 | __u32 fsync_flags; |
| 40 | __u16 poll_events; |
| 41 | __u32 poll32_events; |
| 42 | __u32 sync_range_flags; |
| 43 | __u32 msg_flags; |
| 44 | __u32 timeout_flags; |
| 45 | __u32 accept_flags; |
| 46 | __u32 cancel_flags; |
| 47 | __u32 open_flags; |
| 48 | __u32 statx_flags; |
| 49 | __u32 fadvise_advice; |
| 50 | __u32 splice_flags; |
| 51 | __u32 rename_flags; |
| 52 | __u32 unlink_flags; |
| 53 | __u32 hardlink_flags; |
| 54 | }; |
| 55 | __u64 user_data; |
| 56 | union { |
| 57 | __u16 buf_index; |
| 58 | __u16 buf_group; |
| 59 | } __attribute__((packed)); |
| 60 | __u16 personality; |
| 61 | union { |
| 62 | __s32 splice_fd_in; |
| 63 | __u32 file_index; |
| 64 | }; |
| 65 | __u64 __pad2[2]; |
| 66 | }; |
| 67 | enum { |
| 68 | IOSQE_FIXED_FILE_BIT, |
| 69 | IOSQE_IO_DRAIN_BIT, |
| 70 | IOSQE_IO_LINK_BIT, |
| 71 | IOSQE_IO_HARDLINK_BIT, |
| 72 | IOSQE_ASYNC_BIT, |
| 73 | IOSQE_BUFFER_SELECT_BIT, |
Yu Liu | f9ff4bc | 2022-03-23 16:52:11 -0700 | [diff] [blame] | 74 | IOSQE_CQE_SKIP_SUCCESS_BIT, |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 75 | }; |
| 76 | #define IOSQE_FIXED_FILE (1U << IOSQE_FIXED_FILE_BIT) |
| 77 | #define IOSQE_IO_DRAIN (1U << IOSQE_IO_DRAIN_BIT) |
| 78 | #define IOSQE_IO_LINK (1U << IOSQE_IO_LINK_BIT) |
| 79 | #define IOSQE_IO_HARDLINK (1U << IOSQE_IO_HARDLINK_BIT) |
| 80 | #define IOSQE_ASYNC (1U << IOSQE_ASYNC_BIT) |
| 81 | #define IOSQE_BUFFER_SELECT (1U << IOSQE_BUFFER_SELECT_BIT) |
Yu Liu | f9ff4bc | 2022-03-23 16:52:11 -0700 | [diff] [blame] | 82 | #define IOSQE_CQE_SKIP_SUCCESS (1U << IOSQE_CQE_SKIP_SUCCESS_BIT) |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 83 | #define IORING_SETUP_IOPOLL (1U << 0) |
| 84 | #define IORING_SETUP_SQPOLL (1U << 1) |
| 85 | #define IORING_SETUP_SQ_AFF (1U << 2) |
| 86 | #define IORING_SETUP_CQSIZE (1U << 3) |
| 87 | #define IORING_SETUP_CLAMP (1U << 4) |
| 88 | #define IORING_SETUP_ATTACH_WQ (1U << 5) |
| 89 | #define IORING_SETUP_R_DISABLED (1U << 6) |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 90 | #define IORING_SETUP_SUBMIT_ALL (1U << 7) |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 91 | enum { |
| 92 | IORING_OP_NOP, |
| 93 | IORING_OP_READV, |
| 94 | IORING_OP_WRITEV, |
| 95 | IORING_OP_FSYNC, |
| 96 | IORING_OP_READ_FIXED, |
| 97 | IORING_OP_WRITE_FIXED, |
| 98 | IORING_OP_POLL_ADD, |
| 99 | IORING_OP_POLL_REMOVE, |
| 100 | IORING_OP_SYNC_FILE_RANGE, |
| 101 | IORING_OP_SENDMSG, |
| 102 | IORING_OP_RECVMSG, |
| 103 | IORING_OP_TIMEOUT, |
| 104 | IORING_OP_TIMEOUT_REMOVE, |
| 105 | IORING_OP_ACCEPT, |
| 106 | IORING_OP_ASYNC_CANCEL, |
| 107 | IORING_OP_LINK_TIMEOUT, |
| 108 | IORING_OP_CONNECT, |
| 109 | IORING_OP_FALLOCATE, |
| 110 | IORING_OP_OPENAT, |
| 111 | IORING_OP_CLOSE, |
| 112 | IORING_OP_FILES_UPDATE, |
| 113 | IORING_OP_STATX, |
| 114 | IORING_OP_READ, |
| 115 | IORING_OP_WRITE, |
| 116 | IORING_OP_FADVISE, |
| 117 | IORING_OP_MADVISE, |
| 118 | IORING_OP_SEND, |
| 119 | IORING_OP_RECV, |
| 120 | IORING_OP_OPENAT2, |
| 121 | IORING_OP_EPOLL_CTL, |
| 122 | IORING_OP_SPLICE, |
| 123 | IORING_OP_PROVIDE_BUFFERS, |
| 124 | IORING_OP_REMOVE_BUFFERS, |
| 125 | IORING_OP_TEE, |
| 126 | IORING_OP_SHUTDOWN, |
| 127 | IORING_OP_RENAMEAT, |
| 128 | IORING_OP_UNLINKAT, |
| 129 | IORING_OP_MKDIRAT, |
| 130 | IORING_OP_SYMLINKAT, |
| 131 | IORING_OP_LINKAT, |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 132 | IORING_OP_MSG_RING, |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 133 | IORING_OP_LAST, |
| 134 | }; |
| 135 | #define IORING_FSYNC_DATASYNC (1U << 0) |
| 136 | #define IORING_TIMEOUT_ABS (1U << 0) |
| 137 | #define IORING_TIMEOUT_UPDATE (1U << 1) |
| 138 | #define IORING_TIMEOUT_BOOTTIME (1U << 2) |
| 139 | #define IORING_TIMEOUT_REALTIME (1U << 3) |
| 140 | #define IORING_LINK_TIMEOUT_UPDATE (1U << 4) |
| 141 | #define IORING_TIMEOUT_ETIME_SUCCESS (1U << 5) |
| 142 | #define IORING_TIMEOUT_CLOCK_MASK (IORING_TIMEOUT_BOOTTIME | IORING_TIMEOUT_REALTIME) |
| 143 | #define IORING_TIMEOUT_UPDATE_MASK (IORING_TIMEOUT_UPDATE | IORING_LINK_TIMEOUT_UPDATE) |
| 144 | #define SPLICE_F_FD_IN_FIXED (1U << 31) |
| 145 | #define IORING_POLL_ADD_MULTI (1U << 0) |
| 146 | #define IORING_POLL_UPDATE_EVENTS (1U << 1) |
| 147 | #define IORING_POLL_UPDATE_USER_DATA (1U << 2) |
| 148 | struct io_uring_cqe { |
| 149 | __u64 user_data; |
| 150 | __s32 res; |
| 151 | __u32 flags; |
| 152 | }; |
| 153 | #define IORING_CQE_F_BUFFER (1U << 0) |
| 154 | #define IORING_CQE_F_MORE (1U << 1) |
| 155 | enum { |
| 156 | IORING_CQE_BUFFER_SHIFT = 16, |
| 157 | }; |
| 158 | #define IORING_OFF_SQ_RING 0ULL |
| 159 | #define IORING_OFF_CQ_RING 0x8000000ULL |
| 160 | #define IORING_OFF_SQES 0x10000000ULL |
| 161 | struct io_sqring_offsets { |
| 162 | __u32 head; |
| 163 | __u32 tail; |
| 164 | __u32 ring_mask; |
| 165 | __u32 ring_entries; |
| 166 | __u32 flags; |
| 167 | __u32 dropped; |
| 168 | __u32 array; |
| 169 | __u32 resv1; |
| 170 | __u64 resv2; |
| 171 | }; |
| 172 | #define IORING_SQ_NEED_WAKEUP (1U << 0) |
| 173 | #define IORING_SQ_CQ_OVERFLOW (1U << 1) |
| 174 | struct io_cqring_offsets { |
| 175 | __u32 head; |
| 176 | __u32 tail; |
| 177 | __u32 ring_mask; |
| 178 | __u32 ring_entries; |
| 179 | __u32 overflow; |
| 180 | __u32 cqes; |
| 181 | __u32 flags; |
| 182 | __u32 resv1; |
| 183 | __u64 resv2; |
| 184 | }; |
| 185 | #define IORING_CQ_EVENTFD_DISABLED (1U << 0) |
| 186 | #define IORING_ENTER_GETEVENTS (1U << 0) |
| 187 | #define IORING_ENTER_SQ_WAKEUP (1U << 1) |
| 188 | #define IORING_ENTER_SQ_WAIT (1U << 2) |
| 189 | #define IORING_ENTER_EXT_ARG (1U << 3) |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 190 | #define IORING_ENTER_REGISTERED_RING (1U << 4) |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 191 | struct io_uring_params { |
| 192 | __u32 sq_entries; |
| 193 | __u32 cq_entries; |
| 194 | __u32 flags; |
| 195 | __u32 sq_thread_cpu; |
| 196 | __u32 sq_thread_idle; |
| 197 | __u32 features; |
| 198 | __u32 wq_fd; |
| 199 | __u32 resv[3]; |
| 200 | struct io_sqring_offsets sq_off; |
| 201 | struct io_cqring_offsets cq_off; |
| 202 | }; |
| 203 | #define IORING_FEAT_SINGLE_MMAP (1U << 0) |
| 204 | #define IORING_FEAT_NODROP (1U << 1) |
| 205 | #define IORING_FEAT_SUBMIT_STABLE (1U << 2) |
| 206 | #define IORING_FEAT_RW_CUR_POS (1U << 3) |
| 207 | #define IORING_FEAT_CUR_PERSONALITY (1U << 4) |
| 208 | #define IORING_FEAT_FAST_POLL (1U << 5) |
| 209 | #define IORING_FEAT_POLL_32BITS (1U << 6) |
| 210 | #define IORING_FEAT_SQPOLL_NONFIXED (1U << 7) |
| 211 | #define IORING_FEAT_EXT_ARG (1U << 8) |
| 212 | #define IORING_FEAT_NATIVE_WORKERS (1U << 9) |
| 213 | #define IORING_FEAT_RSRC_TAGS (1U << 10) |
Yu Liu | f9ff4bc | 2022-03-23 16:52:11 -0700 | [diff] [blame] | 214 | #define IORING_FEAT_CQE_SKIP (1U << 11) |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 215 | #define IORING_FEAT_LINKED_FILE (1U << 12) |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 216 | enum { |
| 217 | IORING_REGISTER_BUFFERS = 0, |
| 218 | IORING_UNREGISTER_BUFFERS = 1, |
| 219 | IORING_REGISTER_FILES = 2, |
| 220 | IORING_UNREGISTER_FILES = 3, |
| 221 | IORING_REGISTER_EVENTFD = 4, |
| 222 | IORING_UNREGISTER_EVENTFD = 5, |
| 223 | IORING_REGISTER_FILES_UPDATE = 6, |
| 224 | IORING_REGISTER_EVENTFD_ASYNC = 7, |
| 225 | IORING_REGISTER_PROBE = 8, |
| 226 | IORING_REGISTER_PERSONALITY = 9, |
| 227 | IORING_UNREGISTER_PERSONALITY = 10, |
| 228 | IORING_REGISTER_RESTRICTIONS = 11, |
| 229 | IORING_REGISTER_ENABLE_RINGS = 12, |
| 230 | IORING_REGISTER_FILES2 = 13, |
| 231 | IORING_REGISTER_FILES_UPDATE2 = 14, |
| 232 | IORING_REGISTER_BUFFERS2 = 15, |
| 233 | IORING_REGISTER_BUFFERS_UPDATE = 16, |
| 234 | IORING_REGISTER_IOWQ_AFF = 17, |
| 235 | IORING_UNREGISTER_IOWQ_AFF = 18, |
| 236 | IORING_REGISTER_IOWQ_MAX_WORKERS = 19, |
Jordan Demeulenaere | 2d50582 | 2022-08-11 17:20:14 +0200 | [diff] [blame] | 237 | IORING_REGISTER_RING_FDS = 20, |
| 238 | IORING_UNREGISTER_RING_FDS = 21, |
Colin Cross | 07a5832 | 2022-02-08 19:45:27 -0800 | [diff] [blame] | 239 | IORING_REGISTER_LAST |
| 240 | }; |
| 241 | enum { |
| 242 | IO_WQ_BOUND, |
| 243 | IO_WQ_UNBOUND, |
| 244 | }; |
| 245 | struct io_uring_files_update { |
| 246 | __u32 offset; |
| 247 | __u32 resv; |
| 248 | __aligned_u64 fds; |
| 249 | }; |
| 250 | struct io_uring_rsrc_register { |
| 251 | __u32 nr; |
| 252 | __u32 resv; |
| 253 | __u64 resv2; |
| 254 | __aligned_u64 data; |
| 255 | __aligned_u64 tags; |
| 256 | }; |
| 257 | struct io_uring_rsrc_update { |
| 258 | __u32 offset; |
| 259 | __u32 resv; |
| 260 | __aligned_u64 data; |
| 261 | }; |
| 262 | struct io_uring_rsrc_update2 { |
| 263 | __u32 offset; |
| 264 | __u32 resv; |
| 265 | __aligned_u64 data; |
| 266 | __aligned_u64 tags; |
| 267 | __u32 nr; |
| 268 | __u32 resv2; |
| 269 | }; |
| 270 | #define IORING_REGISTER_FILES_SKIP (- 2) |
| 271 | #define IO_URING_OP_SUPPORTED (1U << 0) |
| 272 | struct io_uring_probe_op { |
| 273 | __u8 op; |
| 274 | __u8 resv; |
| 275 | __u16 flags; |
| 276 | __u32 resv2; |
| 277 | }; |
| 278 | struct io_uring_probe { |
| 279 | __u8 last_op; |
| 280 | __u8 ops_len; |
| 281 | __u16 resv; |
| 282 | __u32 resv2[3]; |
| 283 | struct io_uring_probe_op ops[0]; |
| 284 | }; |
| 285 | struct io_uring_restriction { |
| 286 | __u16 opcode; |
| 287 | union { |
| 288 | __u8 register_op; |
| 289 | __u8 sqe_op; |
| 290 | __u8 sqe_flags; |
| 291 | }; |
| 292 | __u8 resv; |
| 293 | __u32 resv2[3]; |
| 294 | }; |
| 295 | enum { |
| 296 | IORING_RESTRICTION_REGISTER_OP = 0, |
| 297 | IORING_RESTRICTION_SQE_OP = 1, |
| 298 | IORING_RESTRICTION_SQE_FLAGS_ALLOWED = 2, |
| 299 | IORING_RESTRICTION_SQE_FLAGS_REQUIRED = 3, |
| 300 | IORING_RESTRICTION_LAST |
| 301 | }; |
| 302 | struct io_uring_getevents_arg { |
| 303 | __u64 sigmask; |
| 304 | __u32 sigmask_sz; |
| 305 | __u32 pad; |
| 306 | __u64 ts; |
| 307 | }; |
| 308 | #endif |