Commit | Line | Data |
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d8a5ba45 | 1 | /* |
7e98d530 | 2 | This file defines the kernel interface of FUSE |
1f55ed06 | 3 | Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu> |
d8a5ba45 MS |
4 | |
5 | This program can be distributed under the terms of the GNU GPL. | |
6 | See the file COPYING. | |
7e98d530 MS |
7 | |
8 | This -- and only this -- header file may also be distributed under | |
9 | the terms of the BSD Licence as follows: | |
10 | ||
11 | Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved. | |
12 | ||
13 | Redistribution and use in source and binary forms, with or without | |
14 | modification, are permitted provided that the following conditions | |
15 | are met: | |
16 | 1. Redistributions of source code must retain the above copyright | |
17 | notice, this list of conditions and the following disclaimer. | |
18 | 2. Redistributions in binary form must reproduce the above copyright | |
19 | notice, this list of conditions and the following disclaimer in the | |
20 | documentation and/or other materials provided with the distribution. | |
21 | ||
22 | THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
23 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE | |
26 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
28 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
29 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
30 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
31 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | SUCH DAMAGE. | |
d8a5ba45 MS |
33 | */ |
34 | ||
c79e322f MS |
35 | /* |
36 | * This file defines the kernel interface of FUSE | |
37 | * | |
38 | * Protocol changelog: | |
39 | * | |
40 | * 7.9: | |
41 | * - new fuse_getattr_in input argument of GETATTR | |
a9ff4f87 | 42 | * - add lk_flags in fuse_lk_in |
f3332114 | 43 | * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in |
0e9663ee | 44 | * - add blksize field to fuse_attr |
a6643094 | 45 | * - add file flags field to fuse_read_in and fuse_write_in |
a7c1b990 TH |
46 | * |
47 | * 7.10 | |
48 | * - add nonseekable open flag | |
1f55ed06 MS |
49 | * |
50 | * 7.11 | |
51 | * - add IOCTL message | |
52 | * - add unsolicited notification support | |
53 | * - add POLL message and NOTIFY_POLL notification | |
e0a43ddc MS |
54 | * |
55 | * 7.12 | |
56 | * - add umask flag to input argument of open, mknod and mkdir | |
3b463ae0 JM |
57 | * - add notification messages for invalidation of inodes and |
58 | * directory entries | |
7a6d3c8b CH |
59 | * |
60 | * 7.13 | |
61 | * - make max number of background requests and congestion threshold | |
62 | * tunables | |
dd3bb14f MS |
63 | * |
64 | * 7.14 | |
65 | * - add splice support to fuse device | |
a1d75f25 MS |
66 | * |
67 | * 7.15 | |
68 | * - add store notify | |
2d45ba38 | 69 | * - add retrieve notify |
02c048b9 MS |
70 | * |
71 | * 7.16 | |
72 | * - add BATCH_FORGET request | |
1baa26b2 MS |
73 | * - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct |
74 | * fuse_ioctl_iovec' instead of ambiguous 'struct iovec' | |
75 | * - add FUSE_IOCTL_32BIT flag | |
37fb3a30 MS |
76 | * |
77 | * 7.17 | |
78 | * - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK | |
b18da0c5 MS |
79 | * |
80 | * 7.18 | |
81 | * - add FUSE_IOCTL_DIR flag | |
451d0f59 | 82 | * - add FUSE_NOTIFY_DELETE |
05ba1f08 AP |
83 | * |
84 | * 7.19 | |
85 | * - add FUSE_FALLOCATE | |
72d0d248 BF |
86 | * |
87 | * 7.20 | |
88 | * - add FUSE_AUTO_INVAL_DATA | |
23c153e5 MS |
89 | * |
90 | * 7.21 | |
91 | * - add FUSE_READDIRPLUS | |
0415d291 | 92 | * - send the requested events in POLL request |
60b9df7a MS |
93 | * |
94 | * 7.22 | |
95 | * - add FUSE_ASYNC_DIO | |
c79e322f | 96 | */ |
d8a5ba45 | 97 | |
29d434b3 TH |
98 | #ifndef _LINUX_FUSE_H |
99 | #define _LINUX_FUSE_H | |
100 | ||
4c82456e | 101 | #ifdef __KERNEL__ |
1f55ed06 | 102 | #include <linux/types.h> |
7e98d530 MS |
103 | #else |
104 | #include <stdint.h> | |
7e98d530 | 105 | #endif |
d8a5ba45 | 106 | |
37d217f0 MS |
107 | /* |
108 | * Version negotiation: | |
109 | * | |
110 | * Both the kernel and userspace send the version they support in the | |
111 | * INIT request and reply respectively. | |
112 | * | |
113 | * If the major versions match then both shall use the smallest | |
114 | * of the two minor versions for communication. | |
115 | * | |
116 | * If the kernel supports a larger major version, then userspace shall | |
117 | * reply with the major version it supports, ignore the rest of the | |
118 | * INIT message and expect a new INIT message from the kernel with a | |
119 | * matching major version. | |
120 | * | |
121 | * If the library supports a larger major version, then it shall fall | |
122 | * back to the major protocol version sent by the kernel for | |
123 | * communication and reply with that major version (and an arbitrary | |
124 | * supported minor version). | |
125 | */ | |
126 | ||
d8a5ba45 | 127 | /** Version number of this interface */ |
9e6268db | 128 | #define FUSE_KERNEL_VERSION 7 |
d8a5ba45 MS |
129 | |
130 | /** Minor version number of this interface */ | |
60b9df7a | 131 | #define FUSE_KERNEL_MINOR_VERSION 22 |
d8a5ba45 MS |
132 | |
133 | /** The node ID of the root inode */ | |
134 | #define FUSE_ROOT_ID 1 | |
135 | ||
06663267 MS |
136 | /* Make sure all structures are padded to 64bit boundary, so 32bit |
137 | userspace works under 64bit kernels */ | |
138 | ||
d8a5ba45 | 139 | struct fuse_attr { |
4c82456e MS |
140 | uint64_t ino; |
141 | uint64_t size; | |
142 | uint64_t blocks; | |
143 | uint64_t atime; | |
144 | uint64_t mtime; | |
145 | uint64_t ctime; | |
146 | uint32_t atimensec; | |
147 | uint32_t mtimensec; | |
148 | uint32_t ctimensec; | |
149 | uint32_t mode; | |
150 | uint32_t nlink; | |
151 | uint32_t uid; | |
152 | uint32_t gid; | |
153 | uint32_t rdev; | |
154 | uint32_t blksize; | |
155 | uint32_t padding; | |
d8a5ba45 MS |
156 | }; |
157 | ||
e5e5558e | 158 | struct fuse_kstatfs { |
4c82456e MS |
159 | uint64_t blocks; |
160 | uint64_t bfree; | |
161 | uint64_t bavail; | |
162 | uint64_t files; | |
163 | uint64_t ffree; | |
164 | uint32_t bsize; | |
165 | uint32_t namelen; | |
166 | uint32_t frsize; | |
167 | uint32_t padding; | |
168 | uint32_t spare[6]; | |
e5e5558e MS |
169 | }; |
170 | ||
71421259 | 171 | struct fuse_file_lock { |
4c82456e MS |
172 | uint64_t start; |
173 | uint64_t end; | |
174 | uint32_t type; | |
175 | uint32_t pid; /* tgid */ | |
71421259 MS |
176 | }; |
177 | ||
9cd68455 MS |
178 | /** |
179 | * Bitmasks for fuse_setattr_in.valid | |
180 | */ | |
9e6268db MS |
181 | #define FATTR_MODE (1 << 0) |
182 | #define FATTR_UID (1 << 1) | |
183 | #define FATTR_GID (1 << 2) | |
184 | #define FATTR_SIZE (1 << 3) | |
185 | #define FATTR_ATIME (1 << 4) | |
186 | #define FATTR_MTIME (1 << 5) | |
befc649c | 187 | #define FATTR_FH (1 << 6) |
17637cba MS |
188 | #define FATTR_ATIME_NOW (1 << 7) |
189 | #define FATTR_MTIME_NOW (1 << 8) | |
f3332114 | 190 | #define FATTR_LOCKOWNER (1 << 9) |
9e6268db | 191 | |
45323fb7 MS |
192 | /** |
193 | * Flags returned by the OPEN request | |
194 | * | |
195 | * FOPEN_DIRECT_IO: bypass page cache for this open file | |
196 | * FOPEN_KEEP_CACHE: don't invalidate the data cache on open | |
a7c1b990 | 197 | * FOPEN_NONSEEKABLE: the file is not seekable |
45323fb7 MS |
198 | */ |
199 | #define FOPEN_DIRECT_IO (1 << 0) | |
200 | #define FOPEN_KEEP_CACHE (1 << 1) | |
a7c1b990 | 201 | #define FOPEN_NONSEEKABLE (1 << 2) |
45323fb7 | 202 | |
9cd68455 MS |
203 | /** |
204 | * INIT request/reply flags | |
33670fa2 | 205 | * |
f3840dc0 | 206 | * FUSE_ASYNC_READ: asynchronous read requests |
37fb3a30 | 207 | * FUSE_POSIX_LOCKS: remote locking for POSIX file locks |
f3840dc0 MS |
208 | * FUSE_FILE_OPS: kernel sends file handle for fstat, etc... (not yet supported) |
209 | * FUSE_ATOMIC_O_TRUNC: handles the O_TRUNC open flag in the filesystem | |
33670fa2 | 210 | * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." |
f3840dc0 | 211 | * FUSE_BIG_WRITES: filesystem can handle write size larger than 4kB |
e0a43ddc | 212 | * FUSE_DONT_MASK: don't apply umask to file mode on create operations |
69fe05c9 MS |
213 | * FUSE_SPLICE_WRITE: kernel supports splice write on the device |
214 | * FUSE_SPLICE_MOVE: kernel supports splice move on the device | |
215 | * FUSE_SPLICE_READ: kernel supports splice read on the device | |
37fb3a30 | 216 | * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks |
69fe05c9 | 217 | * FUSE_HAS_IOCTL_DIR: kernel supports ioctl on directories |
72d0d248 | 218 | * FUSE_AUTO_INVAL_DATA: automatically invalidate cached pages |
634734b6 EW |
219 | * FUSE_DO_READDIRPLUS: do READDIRPLUS (READDIR+LOOKUP in one) |
220 | * FUSE_READDIRPLUS_AUTO: adaptive readdirplus | |
60b9df7a | 221 | * FUSE_ASYNC_DIO: asynchronous direct I/O submission |
9cd68455 MS |
222 | */ |
223 | #define FUSE_ASYNC_READ (1 << 0) | |
71421259 | 224 | #define FUSE_POSIX_LOCKS (1 << 1) |
c79e322f | 225 | #define FUSE_FILE_OPS (1 << 2) |
6ff958ed | 226 | #define FUSE_ATOMIC_O_TRUNC (1 << 3) |
33670fa2 | 227 | #define FUSE_EXPORT_SUPPORT (1 << 4) |
78bb6cb9 | 228 | #define FUSE_BIG_WRITES (1 << 5) |
e0a43ddc | 229 | #define FUSE_DONT_MASK (1 << 6) |
69fe05c9 MS |
230 | #define FUSE_SPLICE_WRITE (1 << 7) |
231 | #define FUSE_SPLICE_MOVE (1 << 8) | |
232 | #define FUSE_SPLICE_READ (1 << 9) | |
37fb3a30 | 233 | #define FUSE_FLOCK_LOCKS (1 << 10) |
69fe05c9 | 234 | #define FUSE_HAS_IOCTL_DIR (1 << 11) |
72d0d248 | 235 | #define FUSE_AUTO_INVAL_DATA (1 << 12) |
0b05b183 | 236 | #define FUSE_DO_READDIRPLUS (1 << 13) |
634734b6 | 237 | #define FUSE_READDIRPLUS_AUTO (1 << 14) |
60b9df7a | 238 | #define FUSE_ASYNC_DIO (1 << 15) |
9cd68455 | 239 | |
151060ac TH |
240 | /** |
241 | * CUSE INIT request/reply flags | |
242 | * | |
243 | * CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl | |
244 | */ | |
245 | #define CUSE_UNRESTRICTED_IOCTL (1 << 0) | |
246 | ||
e9168c18 MS |
247 | /** |
248 | * Release flags | |
249 | */ | |
250 | #define FUSE_RELEASE_FLUSH (1 << 0) | |
37fb3a30 | 251 | #define FUSE_RELEASE_FLOCK_UNLOCK (1 << 1) |
e9168c18 | 252 | |
c79e322f MS |
253 | /** |
254 | * Getattr flags | |
255 | */ | |
256 | #define FUSE_GETATTR_FH (1 << 0) | |
257 | ||
a9ff4f87 MS |
258 | /** |
259 | * Lock flags | |
260 | */ | |
261 | #define FUSE_LK_FLOCK (1 << 0) | |
262 | ||
b25e82e5 MS |
263 | /** |
264 | * WRITE flags | |
265 | * | |
266 | * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed | |
f3332114 | 267 | * FUSE_WRITE_LOCKOWNER: lock_owner field is valid |
b25e82e5 MS |
268 | */ |
269 | #define FUSE_WRITE_CACHE (1 << 0) | |
f3332114 MS |
270 | #define FUSE_WRITE_LOCKOWNER (1 << 1) |
271 | ||
272 | /** | |
273 | * Read flags | |
274 | */ | |
275 | #define FUSE_READ_LOCKOWNER (1 << 1) | |
b25e82e5 | 276 | |
59efec7b TH |
277 | /** |
278 | * Ioctl flags | |
279 | * | |
280 | * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine | |
281 | * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed | |
282 | * FUSE_IOCTL_RETRY: retry with new iovecs | |
1baa26b2 | 283 | * FUSE_IOCTL_32BIT: 32bit ioctl |
b18da0c5 | 284 | * FUSE_IOCTL_DIR: is a directory |
59efec7b TH |
285 | * |
286 | * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs | |
287 | */ | |
288 | #define FUSE_IOCTL_COMPAT (1 << 0) | |
289 | #define FUSE_IOCTL_UNRESTRICTED (1 << 1) | |
290 | #define FUSE_IOCTL_RETRY (1 << 2) | |
1baa26b2 | 291 | #define FUSE_IOCTL_32BIT (1 << 3) |
b18da0c5 | 292 | #define FUSE_IOCTL_DIR (1 << 4) |
59efec7b TH |
293 | |
294 | #define FUSE_IOCTL_MAX_IOV 256 | |
295 | ||
95668a69 TH |
296 | /** |
297 | * Poll flags | |
298 | * | |
299 | * FUSE_POLL_SCHEDULE_NOTIFY: request poll notify | |
300 | */ | |
301 | #define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) | |
302 | ||
334f485d | 303 | enum fuse_opcode { |
e5e5558e MS |
304 | FUSE_LOOKUP = 1, |
305 | FUSE_FORGET = 2, /* no reply */ | |
306 | FUSE_GETATTR = 3, | |
9e6268db | 307 | FUSE_SETATTR = 4, |
e5e5558e | 308 | FUSE_READLINK = 5, |
9e6268db | 309 | FUSE_SYMLINK = 6, |
9e6268db MS |
310 | FUSE_MKNOD = 8, |
311 | FUSE_MKDIR = 9, | |
312 | FUSE_UNLINK = 10, | |
313 | FUSE_RMDIR = 11, | |
314 | FUSE_RENAME = 12, | |
315 | FUSE_LINK = 13, | |
b6aeaded MS |
316 | FUSE_OPEN = 14, |
317 | FUSE_READ = 15, | |
318 | FUSE_WRITE = 16, | |
e5e5558e | 319 | FUSE_STATFS = 17, |
b6aeaded MS |
320 | FUSE_RELEASE = 18, |
321 | FUSE_FSYNC = 20, | |
92a8780e MS |
322 | FUSE_SETXATTR = 21, |
323 | FUSE_GETXATTR = 22, | |
324 | FUSE_LISTXATTR = 23, | |
325 | FUSE_REMOVEXATTR = 24, | |
b6aeaded | 326 | FUSE_FLUSH = 25, |
04730fef MS |
327 | FUSE_INIT = 26, |
328 | FUSE_OPENDIR = 27, | |
329 | FUSE_READDIR = 28, | |
82547981 | 330 | FUSE_RELEASEDIR = 29, |
31d40d74 | 331 | FUSE_FSYNCDIR = 30, |
71421259 MS |
332 | FUSE_GETLK = 31, |
333 | FUSE_SETLK = 32, | |
334 | FUSE_SETLKW = 33, | |
fd72faac | 335 | FUSE_ACCESS = 34, |
a4d27e75 MS |
336 | FUSE_CREATE = 35, |
337 | FUSE_INTERRUPT = 36, | |
b2d2272f | 338 | FUSE_BMAP = 37, |
0ec7ca41 | 339 | FUSE_DESTROY = 38, |
59efec7b | 340 | FUSE_IOCTL = 39, |
95668a69 | 341 | FUSE_POLL = 40, |
2d45ba38 | 342 | FUSE_NOTIFY_REPLY = 41, |
02c048b9 | 343 | FUSE_BATCH_FORGET = 42, |
05ba1f08 | 344 | FUSE_FALLOCATE = 43, |
0b05b183 | 345 | FUSE_READDIRPLUS = 44, |
151060ac TH |
346 | |
347 | /* CUSE specific operations */ | |
348 | CUSE_INIT = 4096, | |
334f485d MS |
349 | }; |
350 | ||
8599396b | 351 | enum fuse_notify_code { |
95668a69 | 352 | FUSE_NOTIFY_POLL = 1, |
3b463ae0 JM |
353 | FUSE_NOTIFY_INVAL_INODE = 2, |
354 | FUSE_NOTIFY_INVAL_ENTRY = 3, | |
a1d75f25 | 355 | FUSE_NOTIFY_STORE = 4, |
2d45ba38 | 356 | FUSE_NOTIFY_RETRIEVE = 5, |
451d0f59 | 357 | FUSE_NOTIFY_DELETE = 6, |
8599396b TH |
358 | FUSE_NOTIFY_CODE_MAX, |
359 | }; | |
360 | ||
1d3d752b MS |
361 | /* The read buffer is required to be at least 8k, but may be much larger */ |
362 | #define FUSE_MIN_READ_BUFFER 8192 | |
e5e5558e | 363 | |
0e9663ee MS |
364 | #define FUSE_COMPAT_ENTRY_OUT_SIZE 120 |
365 | ||
e5e5558e | 366 | struct fuse_entry_out { |
4c82456e MS |
367 | uint64_t nodeid; /* Inode ID */ |
368 | uint64_t generation; /* Inode generation: nodeid:gen must | |
369 | be unique for the fs's lifetime */ | |
370 | uint64_t entry_valid; /* Cache timeout for the name */ | |
371 | uint64_t attr_valid; /* Cache timeout for the attributes */ | |
372 | uint32_t entry_valid_nsec; | |
373 | uint32_t attr_valid_nsec; | |
e5e5558e MS |
374 | struct fuse_attr attr; |
375 | }; | |
376 | ||
377 | struct fuse_forget_in { | |
4c82456e | 378 | uint64_t nlookup; |
e5e5558e MS |
379 | }; |
380 | ||
02c048b9 | 381 | struct fuse_forget_one { |
4c82456e MS |
382 | uint64_t nodeid; |
383 | uint64_t nlookup; | |
02c048b9 MS |
384 | }; |
385 | ||
386 | struct fuse_batch_forget_in { | |
4c82456e MS |
387 | uint32_t count; |
388 | uint32_t dummy; | |
02c048b9 MS |
389 | }; |
390 | ||
c79e322f | 391 | struct fuse_getattr_in { |
4c82456e MS |
392 | uint32_t getattr_flags; |
393 | uint32_t dummy; | |
394 | uint64_t fh; | |
c79e322f MS |
395 | }; |
396 | ||
0e9663ee MS |
397 | #define FUSE_COMPAT_ATTR_OUT_SIZE 96 |
398 | ||
e5e5558e | 399 | struct fuse_attr_out { |
4c82456e MS |
400 | uint64_t attr_valid; /* Cache timeout for the attributes */ |
401 | uint32_t attr_valid_nsec; | |
402 | uint32_t dummy; | |
e5e5558e MS |
403 | struct fuse_attr attr; |
404 | }; | |
405 | ||
e0a43ddc MS |
406 | #define FUSE_COMPAT_MKNOD_IN_SIZE 8 |
407 | ||
9e6268db | 408 | struct fuse_mknod_in { |
4c82456e MS |
409 | uint32_t mode; |
410 | uint32_t rdev; | |
411 | uint32_t umask; | |
412 | uint32_t padding; | |
9e6268db MS |
413 | }; |
414 | ||
415 | struct fuse_mkdir_in { | |
4c82456e MS |
416 | uint32_t mode; |
417 | uint32_t umask; | |
9e6268db MS |
418 | }; |
419 | ||
420 | struct fuse_rename_in { | |
4c82456e | 421 | uint64_t newdir; |
9e6268db MS |
422 | }; |
423 | ||
424 | struct fuse_link_in { | |
4c82456e | 425 | uint64_t oldnodeid; |
9e6268db MS |
426 | }; |
427 | ||
428 | struct fuse_setattr_in { | |
4c82456e MS |
429 | uint32_t valid; |
430 | uint32_t padding; | |
431 | uint64_t fh; | |
432 | uint64_t size; | |
433 | uint64_t lock_owner; | |
434 | uint64_t atime; | |
435 | uint64_t mtime; | |
436 | uint64_t unused2; | |
437 | uint32_t atimensec; | |
438 | uint32_t mtimensec; | |
439 | uint32_t unused3; | |
440 | uint32_t mode; | |
441 | uint32_t unused4; | |
442 | uint32_t uid; | |
443 | uint32_t gid; | |
444 | uint32_t unused5; | |
9e6268db MS |
445 | }; |
446 | ||
b6aeaded | 447 | struct fuse_open_in { |
4c82456e MS |
448 | uint32_t flags; |
449 | uint32_t unused; | |
e0a43ddc MS |
450 | }; |
451 | ||
452 | struct fuse_create_in { | |
4c82456e MS |
453 | uint32_t flags; |
454 | uint32_t mode; | |
455 | uint32_t umask; | |
456 | uint32_t padding; | |
b6aeaded MS |
457 | }; |
458 | ||
459 | struct fuse_open_out { | |
4c82456e MS |
460 | uint64_t fh; |
461 | uint32_t open_flags; | |
462 | uint32_t padding; | |
b6aeaded MS |
463 | }; |
464 | ||
465 | struct fuse_release_in { | |
4c82456e MS |
466 | uint64_t fh; |
467 | uint32_t flags; | |
468 | uint32_t release_flags; | |
469 | uint64_t lock_owner; | |
b6aeaded MS |
470 | }; |
471 | ||
472 | struct fuse_flush_in { | |
4c82456e MS |
473 | uint64_t fh; |
474 | uint32_t unused; | |
475 | uint32_t padding; | |
476 | uint64_t lock_owner; | |
b6aeaded MS |
477 | }; |
478 | ||
479 | struct fuse_read_in { | |
4c82456e MS |
480 | uint64_t fh; |
481 | uint64_t offset; | |
482 | uint32_t size; | |
483 | uint32_t read_flags; | |
484 | uint64_t lock_owner; | |
485 | uint32_t flags; | |
486 | uint32_t padding; | |
b6aeaded MS |
487 | }; |
488 | ||
f3332114 MS |
489 | #define FUSE_COMPAT_WRITE_IN_SIZE 24 |
490 | ||
b6aeaded | 491 | struct fuse_write_in { |
4c82456e MS |
492 | uint64_t fh; |
493 | uint64_t offset; | |
494 | uint32_t size; | |
495 | uint32_t write_flags; | |
496 | uint64_t lock_owner; | |
497 | uint32_t flags; | |
498 | uint32_t padding; | |
b6aeaded MS |
499 | }; |
500 | ||
501 | struct fuse_write_out { | |
4c82456e MS |
502 | uint32_t size; |
503 | uint32_t padding; | |
b6aeaded MS |
504 | }; |
505 | ||
de5f1202 MS |
506 | #define FUSE_COMPAT_STATFS_SIZE 48 |
507 | ||
e5e5558e MS |
508 | struct fuse_statfs_out { |
509 | struct fuse_kstatfs st; | |
510 | }; | |
511 | ||
b6aeaded | 512 | struct fuse_fsync_in { |
4c82456e MS |
513 | uint64_t fh; |
514 | uint32_t fsync_flags; | |
515 | uint32_t padding; | |
b6aeaded MS |
516 | }; |
517 | ||
92a8780e | 518 | struct fuse_setxattr_in { |
4c82456e MS |
519 | uint32_t size; |
520 | uint32_t flags; | |
92a8780e MS |
521 | }; |
522 | ||
523 | struct fuse_getxattr_in { | |
4c82456e MS |
524 | uint32_t size; |
525 | uint32_t padding; | |
92a8780e MS |
526 | }; |
527 | ||
528 | struct fuse_getxattr_out { | |
4c82456e MS |
529 | uint32_t size; |
530 | uint32_t padding; | |
92a8780e MS |
531 | }; |
532 | ||
71421259 | 533 | struct fuse_lk_in { |
4c82456e MS |
534 | uint64_t fh; |
535 | uint64_t owner; | |
71421259 | 536 | struct fuse_file_lock lk; |
4c82456e MS |
537 | uint32_t lk_flags; |
538 | uint32_t padding; | |
71421259 MS |
539 | }; |
540 | ||
541 | struct fuse_lk_out { | |
542 | struct fuse_file_lock lk; | |
543 | }; | |
544 | ||
31d40d74 | 545 | struct fuse_access_in { |
4c82456e MS |
546 | uint32_t mask; |
547 | uint32_t padding; | |
31d40d74 MS |
548 | }; |
549 | ||
3ec870d5 | 550 | struct fuse_init_in { |
4c82456e MS |
551 | uint32_t major; |
552 | uint32_t minor; | |
553 | uint32_t max_readahead; | |
554 | uint32_t flags; | |
334f485d MS |
555 | }; |
556 | ||
3ec870d5 | 557 | struct fuse_init_out { |
4c82456e MS |
558 | uint32_t major; |
559 | uint32_t minor; | |
560 | uint32_t max_readahead; | |
561 | uint32_t flags; | |
562 | uint16_t max_background; | |
563 | uint16_t congestion_threshold; | |
564 | uint32_t max_write; | |
3ec870d5 MS |
565 | }; |
566 | ||
151060ac TH |
567 | #define CUSE_INIT_INFO_MAX 4096 |
568 | ||
569 | struct cuse_init_in { | |
4c82456e MS |
570 | uint32_t major; |
571 | uint32_t minor; | |
572 | uint32_t unused; | |
573 | uint32_t flags; | |
151060ac TH |
574 | }; |
575 | ||
576 | struct cuse_init_out { | |
4c82456e MS |
577 | uint32_t major; |
578 | uint32_t minor; | |
579 | uint32_t unused; | |
580 | uint32_t flags; | |
581 | uint32_t max_read; | |
582 | uint32_t max_write; | |
583 | uint32_t dev_major; /* chardev major */ | |
584 | uint32_t dev_minor; /* chardev minor */ | |
585 | uint32_t spare[10]; | |
151060ac TH |
586 | }; |
587 | ||
a4d27e75 | 588 | struct fuse_interrupt_in { |
4c82456e | 589 | uint64_t unique; |
a4d27e75 MS |
590 | }; |
591 | ||
b2d2272f | 592 | struct fuse_bmap_in { |
4c82456e MS |
593 | uint64_t block; |
594 | uint32_t blocksize; | |
595 | uint32_t padding; | |
b2d2272f MS |
596 | }; |
597 | ||
598 | struct fuse_bmap_out { | |
4c82456e | 599 | uint64_t block; |
b2d2272f MS |
600 | }; |
601 | ||
59efec7b | 602 | struct fuse_ioctl_in { |
4c82456e MS |
603 | uint64_t fh; |
604 | uint32_t flags; | |
605 | uint32_t cmd; | |
606 | uint64_t arg; | |
607 | uint32_t in_size; | |
608 | uint32_t out_size; | |
59efec7b TH |
609 | }; |
610 | ||
1baa26b2 | 611 | struct fuse_ioctl_iovec { |
4c82456e MS |
612 | uint64_t base; |
613 | uint64_t len; | |
1baa26b2 MS |
614 | }; |
615 | ||
59efec7b | 616 | struct fuse_ioctl_out { |
4c82456e MS |
617 | int32_t result; |
618 | uint32_t flags; | |
619 | uint32_t in_iovs; | |
620 | uint32_t out_iovs; | |
59efec7b TH |
621 | }; |
622 | ||
95668a69 | 623 | struct fuse_poll_in { |
4c82456e MS |
624 | uint64_t fh; |
625 | uint64_t kh; | |
626 | uint32_t flags; | |
627 | uint32_t events; | |
95668a69 TH |
628 | }; |
629 | ||
630 | struct fuse_poll_out { | |
4c82456e MS |
631 | uint32_t revents; |
632 | uint32_t padding; | |
95668a69 TH |
633 | }; |
634 | ||
635 | struct fuse_notify_poll_wakeup_out { | |
4c82456e | 636 | uint64_t kh; |
95668a69 TH |
637 | }; |
638 | ||
05ba1f08 | 639 | struct fuse_fallocate_in { |
4c82456e MS |
640 | uint64_t fh; |
641 | uint64_t offset; | |
642 | uint64_t length; | |
643 | uint32_t mode; | |
644 | uint32_t padding; | |
05ba1f08 AP |
645 | }; |
646 | ||
334f485d | 647 | struct fuse_in_header { |
4c82456e MS |
648 | uint32_t len; |
649 | uint32_t opcode; | |
650 | uint64_t unique; | |
651 | uint64_t nodeid; | |
652 | uint32_t uid; | |
653 | uint32_t gid; | |
654 | uint32_t pid; | |
655 | uint32_t padding; | |
334f485d MS |
656 | }; |
657 | ||
658 | struct fuse_out_header { | |
4c82456e MS |
659 | uint32_t len; |
660 | int32_t error; | |
661 | uint64_t unique; | |
334f485d MS |
662 | }; |
663 | ||
e5e5558e | 664 | struct fuse_dirent { |
4c82456e MS |
665 | uint64_t ino; |
666 | uint64_t off; | |
667 | uint32_t namelen; | |
668 | uint32_t type; | |
c628ee67 | 669 | char name[]; |
e5e5558e MS |
670 | }; |
671 | ||
21f3da95 | 672 | #define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) |
4c82456e MS |
673 | #define FUSE_DIRENT_ALIGN(x) \ |
674 | (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1)) | |
e5e5558e MS |
675 | #define FUSE_DIRENT_SIZE(d) \ |
676 | FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) | |
29d434b3 | 677 | |
0b05b183 AA |
678 | struct fuse_direntplus { |
679 | struct fuse_entry_out entry_out; | |
680 | struct fuse_dirent dirent; | |
681 | }; | |
682 | ||
683 | #define FUSE_NAME_OFFSET_DIRENTPLUS \ | |
684 | offsetof(struct fuse_direntplus, dirent.name) | |
685 | #define FUSE_DIRENTPLUS_SIZE(d) \ | |
686 | FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen) | |
687 | ||
3b463ae0 | 688 | struct fuse_notify_inval_inode_out { |
4c82456e MS |
689 | uint64_t ino; |
690 | int64_t off; | |
691 | int64_t len; | |
3b463ae0 JM |
692 | }; |
693 | ||
694 | struct fuse_notify_inval_entry_out { | |
4c82456e MS |
695 | uint64_t parent; |
696 | uint32_t namelen; | |
697 | uint32_t padding; | |
3b463ae0 JM |
698 | }; |
699 | ||
451d0f59 | 700 | struct fuse_notify_delete_out { |
4c82456e MS |
701 | uint64_t parent; |
702 | uint64_t child; | |
703 | uint32_t namelen; | |
704 | uint32_t padding; | |
451d0f59 JM |
705 | }; |
706 | ||
a1d75f25 | 707 | struct fuse_notify_store_out { |
4c82456e MS |
708 | uint64_t nodeid; |
709 | uint64_t offset; | |
710 | uint32_t size; | |
711 | uint32_t padding; | |
a1d75f25 MS |
712 | }; |
713 | ||
2d45ba38 | 714 | struct fuse_notify_retrieve_out { |
4c82456e MS |
715 | uint64_t notify_unique; |
716 | uint64_t nodeid; | |
717 | uint64_t offset; | |
718 | uint32_t size; | |
719 | uint32_t padding; | |
2d45ba38 MS |
720 | }; |
721 | ||
722 | /* Matches the size of fuse_write_in */ | |
723 | struct fuse_notify_retrieve_in { | |
4c82456e MS |
724 | uint64_t dummy1; |
725 | uint64_t offset; | |
726 | uint32_t size; | |
727 | uint32_t dummy2; | |
728 | uint64_t dummy3; | |
729 | uint64_t dummy4; | |
2d45ba38 MS |
730 | }; |
731 | ||
29d434b3 | 732 | #endif /* _LINUX_FUSE_H */ |