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e2be04c7 | 1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ |
d8a5ba45 | 2 | /* |
7e98d530 | 3 | This file defines the kernel interface of FUSE |
1f55ed06 | 4 | Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu> |
d8a5ba45 MS |
5 | |
6 | This program can be distributed under the terms of the GNU GPL. | |
7 | See the file COPYING. | |
7e98d530 MS |
8 | |
9 | This -- and only this -- header file may also be distributed under | |
10 | the terms of the BSD Licence as follows: | |
11 | ||
12 | Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved. | |
13 | ||
14 | Redistribution and use in source and binary forms, with or without | |
15 | modification, are permitted provided that the following conditions | |
16 | are met: | |
17 | 1. Redistributions of source code must retain the above copyright | |
18 | notice, this list of conditions and the following disclaimer. | |
19 | 2. Redistributions in binary form must reproduce the above copyright | |
20 | notice, this list of conditions and the following disclaimer in the | |
21 | documentation and/or other materials provided with the distribution. | |
22 | ||
23 | THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
24 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
25 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
26 | ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE | |
27 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
28 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
29 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
30 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
31 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
32 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
33 | SUCH DAMAGE. | |
d8a5ba45 MS |
34 | */ |
35 | ||
c79e322f MS |
36 | /* |
37 | * This file defines the kernel interface of FUSE | |
38 | * | |
39 | * Protocol changelog: | |
40 | * | |
41 | * 7.9: | |
42 | * - new fuse_getattr_in input argument of GETATTR | |
a9ff4f87 | 43 | * - add lk_flags in fuse_lk_in |
f3332114 | 44 | * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in |
0e9663ee | 45 | * - add blksize field to fuse_attr |
a6643094 | 46 | * - add file flags field to fuse_read_in and fuse_write_in |
a7c1b990 TH |
47 | * |
48 | * 7.10 | |
49 | * - add nonseekable open flag | |
1f55ed06 MS |
50 | * |
51 | * 7.11 | |
52 | * - add IOCTL message | |
53 | * - add unsolicited notification support | |
54 | * - add POLL message and NOTIFY_POLL notification | |
e0a43ddc MS |
55 | * |
56 | * 7.12 | |
57 | * - add umask flag to input argument of open, mknod and mkdir | |
3b463ae0 JM |
58 | * - add notification messages for invalidation of inodes and |
59 | * directory entries | |
7a6d3c8b CH |
60 | * |
61 | * 7.13 | |
62 | * - make max number of background requests and congestion threshold | |
63 | * tunables | |
dd3bb14f MS |
64 | * |
65 | * 7.14 | |
66 | * - add splice support to fuse device | |
a1d75f25 MS |
67 | * |
68 | * 7.15 | |
69 | * - add store notify | |
2d45ba38 | 70 | * - add retrieve notify |
02c048b9 MS |
71 | * |
72 | * 7.16 | |
73 | * - add BATCH_FORGET request | |
1baa26b2 MS |
74 | * - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct |
75 | * fuse_ioctl_iovec' instead of ambiguous 'struct iovec' | |
76 | * - add FUSE_IOCTL_32BIT flag | |
37fb3a30 MS |
77 | * |
78 | * 7.17 | |
79 | * - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK | |
b18da0c5 MS |
80 | * |
81 | * 7.18 | |
82 | * - add FUSE_IOCTL_DIR flag | |
451d0f59 | 83 | * - add FUSE_NOTIFY_DELETE |
05ba1f08 AP |
84 | * |
85 | * 7.19 | |
86 | * - add FUSE_FALLOCATE | |
72d0d248 BF |
87 | * |
88 | * 7.20 | |
89 | * - add FUSE_AUTO_INVAL_DATA | |
23c153e5 MS |
90 | * |
91 | * 7.21 | |
92 | * - add FUSE_READDIRPLUS | |
0415d291 | 93 | * - send the requested events in POLL request |
60b9df7a MS |
94 | * |
95 | * 7.22 | |
96 | * - add FUSE_ASYNC_DIO | |
4d99ff8f PE |
97 | * |
98 | * 7.23 | |
99 | * - add FUSE_WRITEBACK_CACHE | |
e27c9d38 MS |
100 | * - add time_gran to fuse_init_out |
101 | * - add reserved space to fuse_init_out | |
ab9e13f7 MP |
102 | * - add FATTR_CTIME |
103 | * - add ctime and ctimensec to fuse_setattr_in | |
1560c974 | 104 | * - add FUSE_RENAME2 request |
d7afaec0 | 105 | * - add FUSE_NO_OPEN_SUPPORT flag |
0b5da8db R |
106 | * |
107 | * 7.24 | |
108 | * - add FUSE_LSEEK for SEEK_HOLE and SEEK_DATA support | |
5c672ab3 MS |
109 | * |
110 | * 7.25 | |
111 | * - add FUSE_PARALLEL_DIROPS | |
5e940c1d MS |
112 | * |
113 | * 7.26 | |
114 | * - add FUSE_HANDLE_KILLPRIV | |
60bcc88a | 115 | * - add FUSE_POSIX_ACL |
c79e322f | 116 | */ |
d8a5ba45 | 117 | |
29d434b3 TH |
118 | #ifndef _LINUX_FUSE_H |
119 | #define _LINUX_FUSE_H | |
120 | ||
4c82456e | 121 | #ifdef __KERNEL__ |
1f55ed06 | 122 | #include <linux/types.h> |
7e98d530 MS |
123 | #else |
124 | #include <stdint.h> | |
7e98d530 | 125 | #endif |
d8a5ba45 | 126 | |
37d217f0 MS |
127 | /* |
128 | * Version negotiation: | |
129 | * | |
130 | * Both the kernel and userspace send the version they support in the | |
131 | * INIT request and reply respectively. | |
132 | * | |
133 | * If the major versions match then both shall use the smallest | |
134 | * of the two minor versions for communication. | |
135 | * | |
136 | * If the kernel supports a larger major version, then userspace shall | |
137 | * reply with the major version it supports, ignore the rest of the | |
138 | * INIT message and expect a new INIT message from the kernel with a | |
139 | * matching major version. | |
140 | * | |
141 | * If the library supports a larger major version, then it shall fall | |
142 | * back to the major protocol version sent by the kernel for | |
143 | * communication and reply with that major version (and an arbitrary | |
144 | * supported minor version). | |
145 | */ | |
146 | ||
d8a5ba45 | 147 | /** Version number of this interface */ |
9e6268db | 148 | #define FUSE_KERNEL_VERSION 7 |
d8a5ba45 MS |
149 | |
150 | /** Minor version number of this interface */ | |
5e940c1d | 151 | #define FUSE_KERNEL_MINOR_VERSION 26 |
d8a5ba45 MS |
152 | |
153 | /** The node ID of the root inode */ | |
154 | #define FUSE_ROOT_ID 1 | |
155 | ||
06663267 MS |
156 | /* Make sure all structures are padded to 64bit boundary, so 32bit |
157 | userspace works under 64bit kernels */ | |
158 | ||
d8a5ba45 | 159 | struct fuse_attr { |
4c82456e MS |
160 | uint64_t ino; |
161 | uint64_t size; | |
162 | uint64_t blocks; | |
163 | uint64_t atime; | |
164 | uint64_t mtime; | |
165 | uint64_t ctime; | |
166 | uint32_t atimensec; | |
167 | uint32_t mtimensec; | |
168 | uint32_t ctimensec; | |
169 | uint32_t mode; | |
170 | uint32_t nlink; | |
171 | uint32_t uid; | |
172 | uint32_t gid; | |
173 | uint32_t rdev; | |
174 | uint32_t blksize; | |
175 | uint32_t padding; | |
d8a5ba45 MS |
176 | }; |
177 | ||
e5e5558e | 178 | struct fuse_kstatfs { |
4c82456e MS |
179 | uint64_t blocks; |
180 | uint64_t bfree; | |
181 | uint64_t bavail; | |
182 | uint64_t files; | |
183 | uint64_t ffree; | |
184 | uint32_t bsize; | |
185 | uint32_t namelen; | |
186 | uint32_t frsize; | |
187 | uint32_t padding; | |
188 | uint32_t spare[6]; | |
e5e5558e MS |
189 | }; |
190 | ||
71421259 | 191 | struct fuse_file_lock { |
4c82456e MS |
192 | uint64_t start; |
193 | uint64_t end; | |
194 | uint32_t type; | |
195 | uint32_t pid; /* tgid */ | |
71421259 MS |
196 | }; |
197 | ||
9cd68455 MS |
198 | /** |
199 | * Bitmasks for fuse_setattr_in.valid | |
200 | */ | |
9e6268db MS |
201 | #define FATTR_MODE (1 << 0) |
202 | #define FATTR_UID (1 << 1) | |
203 | #define FATTR_GID (1 << 2) | |
204 | #define FATTR_SIZE (1 << 3) | |
205 | #define FATTR_ATIME (1 << 4) | |
206 | #define FATTR_MTIME (1 << 5) | |
befc649c | 207 | #define FATTR_FH (1 << 6) |
17637cba MS |
208 | #define FATTR_ATIME_NOW (1 << 7) |
209 | #define FATTR_MTIME_NOW (1 << 8) | |
f3332114 | 210 | #define FATTR_LOCKOWNER (1 << 9) |
ab9e13f7 | 211 | #define FATTR_CTIME (1 << 10) |
9e6268db | 212 | |
45323fb7 MS |
213 | /** |
214 | * Flags returned by the OPEN request | |
215 | * | |
216 | * FOPEN_DIRECT_IO: bypass page cache for this open file | |
217 | * FOPEN_KEEP_CACHE: don't invalidate the data cache on open | |
a7c1b990 | 218 | * FOPEN_NONSEEKABLE: the file is not seekable |
45323fb7 MS |
219 | */ |
220 | #define FOPEN_DIRECT_IO (1 << 0) | |
221 | #define FOPEN_KEEP_CACHE (1 << 1) | |
a7c1b990 | 222 | #define FOPEN_NONSEEKABLE (1 << 2) |
45323fb7 | 223 | |
9cd68455 MS |
224 | /** |
225 | * INIT request/reply flags | |
33670fa2 | 226 | * |
f3840dc0 | 227 | * FUSE_ASYNC_READ: asynchronous read requests |
37fb3a30 | 228 | * FUSE_POSIX_LOCKS: remote locking for POSIX file locks |
f3840dc0 MS |
229 | * FUSE_FILE_OPS: kernel sends file handle for fstat, etc... (not yet supported) |
230 | * FUSE_ATOMIC_O_TRUNC: handles the O_TRUNC open flag in the filesystem | |
33670fa2 | 231 | * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." |
f3840dc0 | 232 | * FUSE_BIG_WRITES: filesystem can handle write size larger than 4kB |
e0a43ddc | 233 | * FUSE_DONT_MASK: don't apply umask to file mode on create operations |
69fe05c9 MS |
234 | * FUSE_SPLICE_WRITE: kernel supports splice write on the device |
235 | * FUSE_SPLICE_MOVE: kernel supports splice move on the device | |
236 | * FUSE_SPLICE_READ: kernel supports splice read on the device | |
37fb3a30 | 237 | * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks |
69fe05c9 | 238 | * FUSE_HAS_IOCTL_DIR: kernel supports ioctl on directories |
72d0d248 | 239 | * FUSE_AUTO_INVAL_DATA: automatically invalidate cached pages |
634734b6 EW |
240 | * FUSE_DO_READDIRPLUS: do READDIRPLUS (READDIR+LOOKUP in one) |
241 | * FUSE_READDIRPLUS_AUTO: adaptive readdirplus | |
60b9df7a | 242 | * FUSE_ASYNC_DIO: asynchronous direct I/O submission |
4d99ff8f | 243 | * FUSE_WRITEBACK_CACHE: use writeback cache for buffered writes |
d7afaec0 | 244 | * FUSE_NO_OPEN_SUPPORT: kernel supports zero-message opens |
5c672ab3 | 245 | * FUSE_PARALLEL_DIROPS: allow parallel lookups and readdir |
5e940c1d | 246 | * FUSE_HANDLE_KILLPRIV: fs handles killing suid/sgid/cap on write/chown/trunc |
60bcc88a | 247 | * FUSE_POSIX_ACL: filesystem supports posix acls |
9cd68455 MS |
248 | */ |
249 | #define FUSE_ASYNC_READ (1 << 0) | |
71421259 | 250 | #define FUSE_POSIX_LOCKS (1 << 1) |
c79e322f | 251 | #define FUSE_FILE_OPS (1 << 2) |
6ff958ed | 252 | #define FUSE_ATOMIC_O_TRUNC (1 << 3) |
33670fa2 | 253 | #define FUSE_EXPORT_SUPPORT (1 << 4) |
78bb6cb9 | 254 | #define FUSE_BIG_WRITES (1 << 5) |
e0a43ddc | 255 | #define FUSE_DONT_MASK (1 << 6) |
69fe05c9 MS |
256 | #define FUSE_SPLICE_WRITE (1 << 7) |
257 | #define FUSE_SPLICE_MOVE (1 << 8) | |
258 | #define FUSE_SPLICE_READ (1 << 9) | |
37fb3a30 | 259 | #define FUSE_FLOCK_LOCKS (1 << 10) |
69fe05c9 | 260 | #define FUSE_HAS_IOCTL_DIR (1 << 11) |
72d0d248 | 261 | #define FUSE_AUTO_INVAL_DATA (1 << 12) |
0b05b183 | 262 | #define FUSE_DO_READDIRPLUS (1 << 13) |
634734b6 | 263 | #define FUSE_READDIRPLUS_AUTO (1 << 14) |
60b9df7a | 264 | #define FUSE_ASYNC_DIO (1 << 15) |
4d99ff8f | 265 | #define FUSE_WRITEBACK_CACHE (1 << 16) |
d7afaec0 | 266 | #define FUSE_NO_OPEN_SUPPORT (1 << 17) |
5c672ab3 | 267 | #define FUSE_PARALLEL_DIROPS (1 << 18) |
5e940c1d | 268 | #define FUSE_HANDLE_KILLPRIV (1 << 19) |
60bcc88a | 269 | #define FUSE_POSIX_ACL (1 << 20) |
9cd68455 | 270 | |
151060ac TH |
271 | /** |
272 | * CUSE INIT request/reply flags | |
273 | * | |
274 | * CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl | |
275 | */ | |
276 | #define CUSE_UNRESTRICTED_IOCTL (1 << 0) | |
277 | ||
e9168c18 MS |
278 | /** |
279 | * Release flags | |
280 | */ | |
281 | #define FUSE_RELEASE_FLUSH (1 << 0) | |
37fb3a30 | 282 | #define FUSE_RELEASE_FLOCK_UNLOCK (1 << 1) |
e9168c18 | 283 | |
c79e322f MS |
284 | /** |
285 | * Getattr flags | |
286 | */ | |
287 | #define FUSE_GETATTR_FH (1 << 0) | |
288 | ||
a9ff4f87 MS |
289 | /** |
290 | * Lock flags | |
291 | */ | |
292 | #define FUSE_LK_FLOCK (1 << 0) | |
293 | ||
b25e82e5 MS |
294 | /** |
295 | * WRITE flags | |
296 | * | |
297 | * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed | |
f3332114 | 298 | * FUSE_WRITE_LOCKOWNER: lock_owner field is valid |
b25e82e5 MS |
299 | */ |
300 | #define FUSE_WRITE_CACHE (1 << 0) | |
f3332114 MS |
301 | #define FUSE_WRITE_LOCKOWNER (1 << 1) |
302 | ||
303 | /** | |
304 | * Read flags | |
305 | */ | |
306 | #define FUSE_READ_LOCKOWNER (1 << 1) | |
b25e82e5 | 307 | |
59efec7b TH |
308 | /** |
309 | * Ioctl flags | |
310 | * | |
311 | * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine | |
312 | * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed | |
313 | * FUSE_IOCTL_RETRY: retry with new iovecs | |
1baa26b2 | 314 | * FUSE_IOCTL_32BIT: 32bit ioctl |
b18da0c5 | 315 | * FUSE_IOCTL_DIR: is a directory |
59efec7b TH |
316 | * |
317 | * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs | |
318 | */ | |
319 | #define FUSE_IOCTL_COMPAT (1 << 0) | |
320 | #define FUSE_IOCTL_UNRESTRICTED (1 << 1) | |
321 | #define FUSE_IOCTL_RETRY (1 << 2) | |
1baa26b2 | 322 | #define FUSE_IOCTL_32BIT (1 << 3) |
b18da0c5 | 323 | #define FUSE_IOCTL_DIR (1 << 4) |
59efec7b TH |
324 | |
325 | #define FUSE_IOCTL_MAX_IOV 256 | |
326 | ||
95668a69 TH |
327 | /** |
328 | * Poll flags | |
329 | * | |
330 | * FUSE_POLL_SCHEDULE_NOTIFY: request poll notify | |
331 | */ | |
332 | #define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) | |
333 | ||
334f485d | 334 | enum fuse_opcode { |
e5e5558e MS |
335 | FUSE_LOOKUP = 1, |
336 | FUSE_FORGET = 2, /* no reply */ | |
337 | FUSE_GETATTR = 3, | |
9e6268db | 338 | FUSE_SETATTR = 4, |
e5e5558e | 339 | FUSE_READLINK = 5, |
9e6268db | 340 | FUSE_SYMLINK = 6, |
9e6268db MS |
341 | FUSE_MKNOD = 8, |
342 | FUSE_MKDIR = 9, | |
343 | FUSE_UNLINK = 10, | |
344 | FUSE_RMDIR = 11, | |
345 | FUSE_RENAME = 12, | |
346 | FUSE_LINK = 13, | |
b6aeaded MS |
347 | FUSE_OPEN = 14, |
348 | FUSE_READ = 15, | |
349 | FUSE_WRITE = 16, | |
e5e5558e | 350 | FUSE_STATFS = 17, |
b6aeaded MS |
351 | FUSE_RELEASE = 18, |
352 | FUSE_FSYNC = 20, | |
92a8780e MS |
353 | FUSE_SETXATTR = 21, |
354 | FUSE_GETXATTR = 22, | |
355 | FUSE_LISTXATTR = 23, | |
356 | FUSE_REMOVEXATTR = 24, | |
b6aeaded | 357 | FUSE_FLUSH = 25, |
04730fef MS |
358 | FUSE_INIT = 26, |
359 | FUSE_OPENDIR = 27, | |
360 | FUSE_READDIR = 28, | |
82547981 | 361 | FUSE_RELEASEDIR = 29, |
31d40d74 | 362 | FUSE_FSYNCDIR = 30, |
71421259 MS |
363 | FUSE_GETLK = 31, |
364 | FUSE_SETLK = 32, | |
365 | FUSE_SETLKW = 33, | |
fd72faac | 366 | FUSE_ACCESS = 34, |
a4d27e75 MS |
367 | FUSE_CREATE = 35, |
368 | FUSE_INTERRUPT = 36, | |
b2d2272f | 369 | FUSE_BMAP = 37, |
0ec7ca41 | 370 | FUSE_DESTROY = 38, |
59efec7b | 371 | FUSE_IOCTL = 39, |
95668a69 | 372 | FUSE_POLL = 40, |
2d45ba38 | 373 | FUSE_NOTIFY_REPLY = 41, |
02c048b9 | 374 | FUSE_BATCH_FORGET = 42, |
05ba1f08 | 375 | FUSE_FALLOCATE = 43, |
0b05b183 | 376 | FUSE_READDIRPLUS = 44, |
1560c974 | 377 | FUSE_RENAME2 = 45, |
0b5da8db | 378 | FUSE_LSEEK = 46, |
151060ac TH |
379 | |
380 | /* CUSE specific operations */ | |
381 | CUSE_INIT = 4096, | |
334f485d MS |
382 | }; |
383 | ||
8599396b | 384 | enum fuse_notify_code { |
95668a69 | 385 | FUSE_NOTIFY_POLL = 1, |
3b463ae0 JM |
386 | FUSE_NOTIFY_INVAL_INODE = 2, |
387 | FUSE_NOTIFY_INVAL_ENTRY = 3, | |
a1d75f25 | 388 | FUSE_NOTIFY_STORE = 4, |
2d45ba38 | 389 | FUSE_NOTIFY_RETRIEVE = 5, |
451d0f59 | 390 | FUSE_NOTIFY_DELETE = 6, |
8599396b TH |
391 | FUSE_NOTIFY_CODE_MAX, |
392 | }; | |
393 | ||
1d3d752b MS |
394 | /* The read buffer is required to be at least 8k, but may be much larger */ |
395 | #define FUSE_MIN_READ_BUFFER 8192 | |
e5e5558e | 396 | |
0e9663ee MS |
397 | #define FUSE_COMPAT_ENTRY_OUT_SIZE 120 |
398 | ||
e5e5558e | 399 | struct fuse_entry_out { |
4c82456e MS |
400 | uint64_t nodeid; /* Inode ID */ |
401 | uint64_t generation; /* Inode generation: nodeid:gen must | |
402 | be unique for the fs's lifetime */ | |
403 | uint64_t entry_valid; /* Cache timeout for the name */ | |
404 | uint64_t attr_valid; /* Cache timeout for the attributes */ | |
405 | uint32_t entry_valid_nsec; | |
406 | uint32_t attr_valid_nsec; | |
e5e5558e MS |
407 | struct fuse_attr attr; |
408 | }; | |
409 | ||
410 | struct fuse_forget_in { | |
4c82456e | 411 | uint64_t nlookup; |
e5e5558e MS |
412 | }; |
413 | ||
02c048b9 | 414 | struct fuse_forget_one { |
4c82456e MS |
415 | uint64_t nodeid; |
416 | uint64_t nlookup; | |
02c048b9 MS |
417 | }; |
418 | ||
419 | struct fuse_batch_forget_in { | |
4c82456e MS |
420 | uint32_t count; |
421 | uint32_t dummy; | |
02c048b9 MS |
422 | }; |
423 | ||
c79e322f | 424 | struct fuse_getattr_in { |
4c82456e MS |
425 | uint32_t getattr_flags; |
426 | uint32_t dummy; | |
427 | uint64_t fh; | |
c79e322f MS |
428 | }; |
429 | ||
0e9663ee MS |
430 | #define FUSE_COMPAT_ATTR_OUT_SIZE 96 |
431 | ||
e5e5558e | 432 | struct fuse_attr_out { |
4c82456e MS |
433 | uint64_t attr_valid; /* Cache timeout for the attributes */ |
434 | uint32_t attr_valid_nsec; | |
435 | uint32_t dummy; | |
e5e5558e MS |
436 | struct fuse_attr attr; |
437 | }; | |
438 | ||
e0a43ddc MS |
439 | #define FUSE_COMPAT_MKNOD_IN_SIZE 8 |
440 | ||
9e6268db | 441 | struct fuse_mknod_in { |
4c82456e MS |
442 | uint32_t mode; |
443 | uint32_t rdev; | |
444 | uint32_t umask; | |
445 | uint32_t padding; | |
9e6268db MS |
446 | }; |
447 | ||
448 | struct fuse_mkdir_in { | |
4c82456e MS |
449 | uint32_t mode; |
450 | uint32_t umask; | |
9e6268db MS |
451 | }; |
452 | ||
453 | struct fuse_rename_in { | |
4c82456e | 454 | uint64_t newdir; |
9e6268db MS |
455 | }; |
456 | ||
1560c974 MS |
457 | struct fuse_rename2_in { |
458 | uint64_t newdir; | |
459 | uint32_t flags; | |
460 | uint32_t padding; | |
461 | }; | |
462 | ||
9e6268db | 463 | struct fuse_link_in { |
4c82456e | 464 | uint64_t oldnodeid; |
9e6268db MS |
465 | }; |
466 | ||
467 | struct fuse_setattr_in { | |
4c82456e MS |
468 | uint32_t valid; |
469 | uint32_t padding; | |
470 | uint64_t fh; | |
471 | uint64_t size; | |
472 | uint64_t lock_owner; | |
473 | uint64_t atime; | |
474 | uint64_t mtime; | |
ab9e13f7 | 475 | uint64_t ctime; |
4c82456e MS |
476 | uint32_t atimensec; |
477 | uint32_t mtimensec; | |
ab9e13f7 | 478 | uint32_t ctimensec; |
4c82456e MS |
479 | uint32_t mode; |
480 | uint32_t unused4; | |
481 | uint32_t uid; | |
482 | uint32_t gid; | |
483 | uint32_t unused5; | |
9e6268db MS |
484 | }; |
485 | ||
b6aeaded | 486 | struct fuse_open_in { |
4c82456e MS |
487 | uint32_t flags; |
488 | uint32_t unused; | |
e0a43ddc MS |
489 | }; |
490 | ||
491 | struct fuse_create_in { | |
4c82456e MS |
492 | uint32_t flags; |
493 | uint32_t mode; | |
494 | uint32_t umask; | |
495 | uint32_t padding; | |
b6aeaded MS |
496 | }; |
497 | ||
498 | struct fuse_open_out { | |
4c82456e MS |
499 | uint64_t fh; |
500 | uint32_t open_flags; | |
501 | uint32_t padding; | |
b6aeaded MS |
502 | }; |
503 | ||
504 | struct fuse_release_in { | |
4c82456e MS |
505 | uint64_t fh; |
506 | uint32_t flags; | |
507 | uint32_t release_flags; | |
508 | uint64_t lock_owner; | |
b6aeaded MS |
509 | }; |
510 | ||
511 | struct fuse_flush_in { | |
4c82456e MS |
512 | uint64_t fh; |
513 | uint32_t unused; | |
514 | uint32_t padding; | |
515 | uint64_t lock_owner; | |
b6aeaded MS |
516 | }; |
517 | ||
518 | struct fuse_read_in { | |
4c82456e MS |
519 | uint64_t fh; |
520 | uint64_t offset; | |
521 | uint32_t size; | |
522 | uint32_t read_flags; | |
523 | uint64_t lock_owner; | |
524 | uint32_t flags; | |
525 | uint32_t padding; | |
b6aeaded MS |
526 | }; |
527 | ||
f3332114 MS |
528 | #define FUSE_COMPAT_WRITE_IN_SIZE 24 |
529 | ||
b6aeaded | 530 | struct fuse_write_in { |
4c82456e MS |
531 | uint64_t fh; |
532 | uint64_t offset; | |
533 | uint32_t size; | |
534 | uint32_t write_flags; | |
535 | uint64_t lock_owner; | |
536 | uint32_t flags; | |
537 | uint32_t padding; | |
b6aeaded MS |
538 | }; |
539 | ||
540 | struct fuse_write_out { | |
4c82456e MS |
541 | uint32_t size; |
542 | uint32_t padding; | |
b6aeaded MS |
543 | }; |
544 | ||
de5f1202 MS |
545 | #define FUSE_COMPAT_STATFS_SIZE 48 |
546 | ||
e5e5558e MS |
547 | struct fuse_statfs_out { |
548 | struct fuse_kstatfs st; | |
549 | }; | |
550 | ||
b6aeaded | 551 | struct fuse_fsync_in { |
4c82456e MS |
552 | uint64_t fh; |
553 | uint32_t fsync_flags; | |
554 | uint32_t padding; | |
b6aeaded MS |
555 | }; |
556 | ||
92a8780e | 557 | struct fuse_setxattr_in { |
4c82456e MS |
558 | uint32_t size; |
559 | uint32_t flags; | |
92a8780e MS |
560 | }; |
561 | ||
562 | struct fuse_getxattr_in { | |
4c82456e MS |
563 | uint32_t size; |
564 | uint32_t padding; | |
92a8780e MS |
565 | }; |
566 | ||
567 | struct fuse_getxattr_out { | |
4c82456e MS |
568 | uint32_t size; |
569 | uint32_t padding; | |
92a8780e MS |
570 | }; |
571 | ||
71421259 | 572 | struct fuse_lk_in { |
4c82456e MS |
573 | uint64_t fh; |
574 | uint64_t owner; | |
71421259 | 575 | struct fuse_file_lock lk; |
4c82456e MS |
576 | uint32_t lk_flags; |
577 | uint32_t padding; | |
71421259 MS |
578 | }; |
579 | ||
580 | struct fuse_lk_out { | |
581 | struct fuse_file_lock lk; | |
582 | }; | |
583 | ||
31d40d74 | 584 | struct fuse_access_in { |
4c82456e MS |
585 | uint32_t mask; |
586 | uint32_t padding; | |
31d40d74 MS |
587 | }; |
588 | ||
3ec870d5 | 589 | struct fuse_init_in { |
4c82456e MS |
590 | uint32_t major; |
591 | uint32_t minor; | |
592 | uint32_t max_readahead; | |
593 | uint32_t flags; | |
334f485d MS |
594 | }; |
595 | ||
e27c9d38 MS |
596 | #define FUSE_COMPAT_INIT_OUT_SIZE 8 |
597 | #define FUSE_COMPAT_22_INIT_OUT_SIZE 24 | |
598 | ||
3ec870d5 | 599 | struct fuse_init_out { |
4c82456e MS |
600 | uint32_t major; |
601 | uint32_t minor; | |
602 | uint32_t max_readahead; | |
603 | uint32_t flags; | |
604 | uint16_t max_background; | |
605 | uint16_t congestion_threshold; | |
606 | uint32_t max_write; | |
e27c9d38 MS |
607 | uint32_t time_gran; |
608 | uint32_t unused[9]; | |
3ec870d5 MS |
609 | }; |
610 | ||
151060ac TH |
611 | #define CUSE_INIT_INFO_MAX 4096 |
612 | ||
613 | struct cuse_init_in { | |
4c82456e MS |
614 | uint32_t major; |
615 | uint32_t minor; | |
616 | uint32_t unused; | |
617 | uint32_t flags; | |
151060ac TH |
618 | }; |
619 | ||
620 | struct cuse_init_out { | |
4c82456e MS |
621 | uint32_t major; |
622 | uint32_t minor; | |
623 | uint32_t unused; | |
624 | uint32_t flags; | |
625 | uint32_t max_read; | |
626 | uint32_t max_write; | |
627 | uint32_t dev_major; /* chardev major */ | |
628 | uint32_t dev_minor; /* chardev minor */ | |
629 | uint32_t spare[10]; | |
151060ac TH |
630 | }; |
631 | ||
a4d27e75 | 632 | struct fuse_interrupt_in { |
4c82456e | 633 | uint64_t unique; |
a4d27e75 MS |
634 | }; |
635 | ||
b2d2272f | 636 | struct fuse_bmap_in { |
4c82456e MS |
637 | uint64_t block; |
638 | uint32_t blocksize; | |
639 | uint32_t padding; | |
b2d2272f MS |
640 | }; |
641 | ||
642 | struct fuse_bmap_out { | |
4c82456e | 643 | uint64_t block; |
b2d2272f MS |
644 | }; |
645 | ||
59efec7b | 646 | struct fuse_ioctl_in { |
4c82456e MS |
647 | uint64_t fh; |
648 | uint32_t flags; | |
649 | uint32_t cmd; | |
650 | uint64_t arg; | |
651 | uint32_t in_size; | |
652 | uint32_t out_size; | |
59efec7b TH |
653 | }; |
654 | ||
1baa26b2 | 655 | struct fuse_ioctl_iovec { |
4c82456e MS |
656 | uint64_t base; |
657 | uint64_t len; | |
1baa26b2 MS |
658 | }; |
659 | ||
59efec7b | 660 | struct fuse_ioctl_out { |
4c82456e MS |
661 | int32_t result; |
662 | uint32_t flags; | |
663 | uint32_t in_iovs; | |
664 | uint32_t out_iovs; | |
59efec7b TH |
665 | }; |
666 | ||
95668a69 | 667 | struct fuse_poll_in { |
4c82456e MS |
668 | uint64_t fh; |
669 | uint64_t kh; | |
670 | uint32_t flags; | |
671 | uint32_t events; | |
95668a69 TH |
672 | }; |
673 | ||
674 | struct fuse_poll_out { | |
4c82456e MS |
675 | uint32_t revents; |
676 | uint32_t padding; | |
95668a69 TH |
677 | }; |
678 | ||
679 | struct fuse_notify_poll_wakeup_out { | |
4c82456e | 680 | uint64_t kh; |
95668a69 TH |
681 | }; |
682 | ||
05ba1f08 | 683 | struct fuse_fallocate_in { |
4c82456e MS |
684 | uint64_t fh; |
685 | uint64_t offset; | |
686 | uint64_t length; | |
687 | uint32_t mode; | |
688 | uint32_t padding; | |
05ba1f08 AP |
689 | }; |
690 | ||
334f485d | 691 | struct fuse_in_header { |
4c82456e MS |
692 | uint32_t len; |
693 | uint32_t opcode; | |
694 | uint64_t unique; | |
695 | uint64_t nodeid; | |
696 | uint32_t uid; | |
697 | uint32_t gid; | |
698 | uint32_t pid; | |
699 | uint32_t padding; | |
334f485d MS |
700 | }; |
701 | ||
702 | struct fuse_out_header { | |
4c82456e MS |
703 | uint32_t len; |
704 | int32_t error; | |
705 | uint64_t unique; | |
334f485d MS |
706 | }; |
707 | ||
e5e5558e | 708 | struct fuse_dirent { |
4c82456e MS |
709 | uint64_t ino; |
710 | uint64_t off; | |
711 | uint32_t namelen; | |
712 | uint32_t type; | |
c628ee67 | 713 | char name[]; |
e5e5558e MS |
714 | }; |
715 | ||
21f3da95 | 716 | #define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) |
4c82456e MS |
717 | #define FUSE_DIRENT_ALIGN(x) \ |
718 | (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1)) | |
e5e5558e MS |
719 | #define FUSE_DIRENT_SIZE(d) \ |
720 | FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) | |
29d434b3 | 721 | |
0b05b183 AA |
722 | struct fuse_direntplus { |
723 | struct fuse_entry_out entry_out; | |
724 | struct fuse_dirent dirent; | |
725 | }; | |
726 | ||
727 | #define FUSE_NAME_OFFSET_DIRENTPLUS \ | |
728 | offsetof(struct fuse_direntplus, dirent.name) | |
729 | #define FUSE_DIRENTPLUS_SIZE(d) \ | |
730 | FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen) | |
731 | ||
3b463ae0 | 732 | struct fuse_notify_inval_inode_out { |
4c82456e MS |
733 | uint64_t ino; |
734 | int64_t off; | |
735 | int64_t len; | |
3b463ae0 JM |
736 | }; |
737 | ||
738 | struct fuse_notify_inval_entry_out { | |
4c82456e MS |
739 | uint64_t parent; |
740 | uint32_t namelen; | |
741 | uint32_t padding; | |
3b463ae0 JM |
742 | }; |
743 | ||
451d0f59 | 744 | struct fuse_notify_delete_out { |
4c82456e MS |
745 | uint64_t parent; |
746 | uint64_t child; | |
747 | uint32_t namelen; | |
748 | uint32_t padding; | |
451d0f59 JM |
749 | }; |
750 | ||
a1d75f25 | 751 | struct fuse_notify_store_out { |
4c82456e MS |
752 | uint64_t nodeid; |
753 | uint64_t offset; | |
754 | uint32_t size; | |
755 | uint32_t padding; | |
a1d75f25 MS |
756 | }; |
757 | ||
2d45ba38 | 758 | struct fuse_notify_retrieve_out { |
4c82456e MS |
759 | uint64_t notify_unique; |
760 | uint64_t nodeid; | |
761 | uint64_t offset; | |
762 | uint32_t size; | |
763 | uint32_t padding; | |
2d45ba38 MS |
764 | }; |
765 | ||
766 | /* Matches the size of fuse_write_in */ | |
767 | struct fuse_notify_retrieve_in { | |
4c82456e MS |
768 | uint64_t dummy1; |
769 | uint64_t offset; | |
770 | uint32_t size; | |
771 | uint32_t dummy2; | |
772 | uint64_t dummy3; | |
773 | uint64_t dummy4; | |
2d45ba38 MS |
774 | }; |
775 | ||
00c570f4 MS |
776 | /* Device ioctls: */ |
777 | #define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t) | |
778 | ||
0b5da8db R |
779 | struct fuse_lseek_in { |
780 | uint64_t fh; | |
781 | uint64_t offset; | |
782 | uint32_t whence; | |
783 | uint32_t padding; | |
784 | }; | |
785 | ||
786 | struct fuse_lseek_out { | |
787 | uint64_t offset; | |
788 | }; | |
789 | ||
29d434b3 | 790 | #endif /* _LINUX_FUSE_H */ |