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