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117#ifndef _LINUX_FUSE_H
118#define _LINUX_FUSE_H
119
120#ifdef __KERNEL__
121#include <linux/types.h>
122#else
123#include <stdint.h>
124#endif
125
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146
147#define FUSE_KERNEL_VERSION 7
148
149
150#define FUSE_KERNEL_MINOR_VERSION 26
151
152
153#define FUSE_ROOT_ID 1
154
155
156
157
158struct fuse_attr {
159 uint64_t ino;
160 uint64_t size;
161 uint64_t blocks;
162 uint64_t atime;
163 uint64_t mtime;
164 uint64_t ctime;
165 uint32_t atimensec;
166 uint32_t mtimensec;
167 uint32_t ctimensec;
168 uint32_t mode;
169 uint32_t nlink;
170 uint32_t uid;
171 uint32_t gid;
172 uint32_t rdev;
173 uint32_t blksize;
174 uint32_t padding;
175};
176
177struct fuse_kstatfs {
178 uint64_t blocks;
179 uint64_t bfree;
180 uint64_t bavail;
181 uint64_t files;
182 uint64_t ffree;
183 uint32_t bsize;
184 uint32_t namelen;
185 uint32_t frsize;
186 uint32_t padding;
187 uint32_t spare[6];
188};
189
190struct fuse_file_lock {
191 uint64_t start;
192 uint64_t end;
193 uint32_t type;
194 uint32_t pid;
195};
196
197
198
199
200#define FATTR_MODE (1 << 0)
201#define FATTR_UID (1 << 1)
202#define FATTR_GID (1 << 2)
203#define FATTR_SIZE (1 << 3)
204#define FATTR_ATIME (1 << 4)
205#define FATTR_MTIME (1 << 5)
206#define FATTR_FH (1 << 6)
207#define FATTR_ATIME_NOW (1 << 7)
208#define FATTR_MTIME_NOW (1 << 8)
209#define FATTR_LOCKOWNER (1 << 9)
210#define FATTR_CTIME (1 << 10)
211
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217
218
219#define FOPEN_DIRECT_IO (1 << 0)
220#define FOPEN_KEEP_CACHE (1 << 1)
221#define FOPEN_NONSEEKABLE (1 << 2)
222
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247
248#define FUSE_ASYNC_READ (1 << 0)
249#define FUSE_POSIX_LOCKS (1 << 1)
250#define FUSE_FILE_OPS (1 << 2)
251#define FUSE_ATOMIC_O_TRUNC (1 << 3)
252#define FUSE_EXPORT_SUPPORT (1 << 4)
253#define FUSE_BIG_WRITES (1 << 5)
254#define FUSE_DONT_MASK (1 << 6)
255#define FUSE_SPLICE_WRITE (1 << 7)
256#define FUSE_SPLICE_MOVE (1 << 8)
257#define FUSE_SPLICE_READ (1 << 9)
258#define FUSE_FLOCK_LOCKS (1 << 10)
259#define FUSE_HAS_IOCTL_DIR (1 << 11)
260#define FUSE_AUTO_INVAL_DATA (1 << 12)
261#define FUSE_DO_READDIRPLUS (1 << 13)
262#define FUSE_READDIRPLUS_AUTO (1 << 14)
263#define FUSE_ASYNC_DIO (1 << 15)
264#define FUSE_WRITEBACK_CACHE (1 << 16)
265#define FUSE_NO_OPEN_SUPPORT (1 << 17)
266#define FUSE_PARALLEL_DIROPS (1 << 18)
267#define FUSE_HANDLE_KILLPRIV (1 << 19)
268#define FUSE_POSIX_ACL (1 << 20)
269
270
271
272
273
274
275#define CUSE_UNRESTRICTED_IOCTL (1 << 0)
276
277
278
279
280#define FUSE_RELEASE_FLUSH (1 << 0)
281#define FUSE_RELEASE_FLOCK_UNLOCK (1 << 1)
282
283
284
285
286#define FUSE_GETATTR_FH (1 << 0)
287
288
289
290
291#define FUSE_LK_FLOCK (1 << 0)
292
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297
298
299#define FUSE_WRITE_CACHE (1 << 0)
300#define FUSE_WRITE_LOCKOWNER (1 << 1)
301
302
303
304
305#define FUSE_READ_LOCKOWNER (1 << 1)
306
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316
317
318#define FUSE_IOCTL_COMPAT (1 << 0)
319#define FUSE_IOCTL_UNRESTRICTED (1 << 1)
320#define FUSE_IOCTL_RETRY (1 << 2)
321#define FUSE_IOCTL_32BIT (1 << 3)
322#define FUSE_IOCTL_DIR (1 << 4)
323
324#define FUSE_IOCTL_MAX_IOV 256
325
326
327
328
329
330
331#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0)
332
333enum fuse_opcode {
334 FUSE_LOOKUP = 1,
335 FUSE_FORGET = 2,
336 FUSE_GETATTR = 3,
337 FUSE_SETATTR = 4,
338 FUSE_READLINK = 5,
339 FUSE_SYMLINK = 6,
340 FUSE_MKNOD = 8,
341 FUSE_MKDIR = 9,
342 FUSE_UNLINK = 10,
343 FUSE_RMDIR = 11,
344 FUSE_RENAME = 12,
345 FUSE_LINK = 13,
346 FUSE_OPEN = 14,
347 FUSE_READ = 15,
348 FUSE_WRITE = 16,
349 FUSE_STATFS = 17,
350 FUSE_RELEASE = 18,
351 FUSE_FSYNC = 20,
352 FUSE_SETXATTR = 21,
353 FUSE_GETXATTR = 22,
354 FUSE_LISTXATTR = 23,
355 FUSE_REMOVEXATTR = 24,
356 FUSE_FLUSH = 25,
357 FUSE_INIT = 26,
358 FUSE_OPENDIR = 27,
359 FUSE_READDIR = 28,
360 FUSE_RELEASEDIR = 29,
361 FUSE_FSYNCDIR = 30,
362 FUSE_GETLK = 31,
363 FUSE_SETLK = 32,
364 FUSE_SETLKW = 33,
365 FUSE_ACCESS = 34,
366 FUSE_CREATE = 35,
367 FUSE_INTERRUPT = 36,
368 FUSE_BMAP = 37,
369 FUSE_DESTROY = 38,
370 FUSE_IOCTL = 39,
371 FUSE_POLL = 40,
372 FUSE_NOTIFY_REPLY = 41,
373 FUSE_BATCH_FORGET = 42,
374 FUSE_FALLOCATE = 43,
375 FUSE_READDIRPLUS = 44,
376 FUSE_RENAME2 = 45,
377 FUSE_LSEEK = 46,
378
379
380 CUSE_INIT = 4096,
381};
382
383enum fuse_notify_code {
384 FUSE_NOTIFY_POLL = 1,
385 FUSE_NOTIFY_INVAL_INODE = 2,
386 FUSE_NOTIFY_INVAL_ENTRY = 3,
387 FUSE_NOTIFY_STORE = 4,
388 FUSE_NOTIFY_RETRIEVE = 5,
389 FUSE_NOTIFY_DELETE = 6,
390 FUSE_NOTIFY_CODE_MAX,
391};
392
393
394#define FUSE_MIN_READ_BUFFER 8192
395
396#define FUSE_COMPAT_ENTRY_OUT_SIZE 120
397
398struct fuse_entry_out {
399 uint64_t nodeid;
400 uint64_t generation;
401
402 uint64_t entry_valid;
403 uint64_t attr_valid;
404 uint32_t entry_valid_nsec;
405 uint32_t attr_valid_nsec;
406 struct fuse_attr attr;
407};
408
409struct fuse_forget_in {
410 uint64_t nlookup;
411};
412
413struct fuse_forget_one {
414 uint64_t nodeid;
415 uint64_t nlookup;
416};
417
418struct fuse_batch_forget_in {
419 uint32_t count;
420 uint32_t dummy;
421};
422
423struct fuse_getattr_in {
424 uint32_t getattr_flags;
425 uint32_t dummy;
426 uint64_t fh;
427};
428
429#define FUSE_COMPAT_ATTR_OUT_SIZE 96
430
431struct fuse_attr_out {
432 uint64_t attr_valid;
433 uint32_t attr_valid_nsec;
434 uint32_t dummy;
435 struct fuse_attr attr;
436};
437
438#define FUSE_COMPAT_MKNOD_IN_SIZE 8
439
440struct fuse_mknod_in {
441 uint32_t mode;
442 uint32_t rdev;
443 uint32_t umask;
444 uint32_t padding;
445};
446
447struct fuse_mkdir_in {
448 uint32_t mode;
449 uint32_t umask;
450};
451
452struct fuse_rename_in {
453 uint64_t newdir;
454};
455
456struct fuse_rename2_in {
457 uint64_t newdir;
458 uint32_t flags;
459 uint32_t padding;
460};
461
462struct fuse_link_in {
463 uint64_t oldnodeid;
464};
465
466struct fuse_setattr_in {
467 uint32_t valid;
468 uint32_t padding;
469 uint64_t fh;
470 uint64_t size;
471 uint64_t lock_owner;
472 uint64_t atime;
473 uint64_t mtime;
474 uint64_t ctime;
475 uint32_t atimensec;
476 uint32_t mtimensec;
477 uint32_t ctimensec;
478 uint32_t mode;
479 uint32_t unused4;
480 uint32_t uid;
481 uint32_t gid;
482 uint32_t unused5;
483};
484
485struct fuse_open_in {
486 uint32_t flags;
487 uint32_t unused;
488};
489
490struct fuse_create_in {
491 uint32_t flags;
492 uint32_t mode;
493 uint32_t umask;
494 uint32_t padding;
495};
496
497struct fuse_open_out {
498 uint64_t fh;
499 uint32_t open_flags;
500 uint32_t padding;
501};
502
503struct fuse_release_in {
504 uint64_t fh;
505 uint32_t flags;
506 uint32_t release_flags;
507 uint64_t lock_owner;
508};
509
510struct fuse_flush_in {
511 uint64_t fh;
512 uint32_t unused;
513 uint32_t padding;
514 uint64_t lock_owner;
515};
516
517struct fuse_read_in {
518 uint64_t fh;
519 uint64_t offset;
520 uint32_t size;
521 uint32_t read_flags;
522 uint64_t lock_owner;
523 uint32_t flags;
524 uint32_t padding;
525};
526
527#define FUSE_COMPAT_WRITE_IN_SIZE 24
528
529struct fuse_write_in {
530 uint64_t fh;
531 uint64_t offset;
532 uint32_t size;
533 uint32_t write_flags;
534 uint64_t lock_owner;
535 uint32_t flags;
536 uint32_t padding;
537};
538
539struct fuse_write_out {
540 uint32_t size;
541 uint32_t padding;
542};
543
544#define FUSE_COMPAT_STATFS_SIZE 48
545
546struct fuse_statfs_out {
547 struct fuse_kstatfs st;
548};
549
550struct fuse_fsync_in {
551 uint64_t fh;
552 uint32_t fsync_flags;
553 uint32_t padding;
554};
555
556struct fuse_setxattr_in {
557 uint32_t size;
558 uint32_t flags;
559};
560
561struct fuse_getxattr_in {
562 uint32_t size;
563 uint32_t padding;
564};
565
566struct fuse_getxattr_out {
567 uint32_t size;
568 uint32_t padding;
569};
570
571struct fuse_lk_in {
572 uint64_t fh;
573 uint64_t owner;
574 struct fuse_file_lock lk;
575 uint32_t lk_flags;
576 uint32_t padding;
577};
578
579struct fuse_lk_out {
580 struct fuse_file_lock lk;
581};
582
583struct fuse_access_in {
584 uint32_t mask;
585 uint32_t padding;
586};
587
588struct fuse_init_in {
589 uint32_t major;
590 uint32_t minor;
591 uint32_t max_readahead;
592 uint32_t flags;
593};
594
595#define FUSE_COMPAT_INIT_OUT_SIZE 8
596#define FUSE_COMPAT_22_INIT_OUT_SIZE 24
597
598struct fuse_init_out {
599 uint32_t major;
600 uint32_t minor;
601 uint32_t max_readahead;
602 uint32_t flags;
603 uint16_t max_background;
604 uint16_t congestion_threshold;
605 uint32_t max_write;
606 uint32_t time_gran;
607 uint32_t unused[9];
608};
609
610#define CUSE_INIT_INFO_MAX 4096
611
612struct cuse_init_in {
613 uint32_t major;
614 uint32_t minor;
615 uint32_t unused;
616 uint32_t flags;
617};
618
619struct cuse_init_out {
620 uint32_t major;
621 uint32_t minor;
622 uint32_t unused;
623 uint32_t flags;
624 uint32_t max_read;
625 uint32_t max_write;
626 uint32_t dev_major;
627 uint32_t dev_minor;
628 uint32_t spare[10];
629};
630
631struct fuse_interrupt_in {
632 uint64_t unique;
633};
634
635struct fuse_bmap_in {
636 uint64_t block;
637 uint32_t blocksize;
638 uint32_t padding;
639};
640
641struct fuse_bmap_out {
642 uint64_t block;
643};
644
645struct fuse_ioctl_in {
646 uint64_t fh;
647 uint32_t flags;
648 uint32_t cmd;
649 uint64_t arg;
650 uint32_t in_size;
651 uint32_t out_size;
652};
653
654struct fuse_ioctl_iovec {
655 uint64_t base;
656 uint64_t len;
657};
658
659struct fuse_ioctl_out {
660 int32_t result;
661 uint32_t flags;
662 uint32_t in_iovs;
663 uint32_t out_iovs;
664};
665
666struct fuse_poll_in {
667 uint64_t fh;
668 uint64_t kh;
669 uint32_t flags;
670 uint32_t events;
671};
672
673struct fuse_poll_out {
674 uint32_t revents;
675 uint32_t padding;
676};
677
678struct fuse_notify_poll_wakeup_out {
679 uint64_t kh;
680};
681
682struct fuse_fallocate_in {
683 uint64_t fh;
684 uint64_t offset;
685 uint64_t length;
686 uint32_t mode;
687 uint32_t padding;
688};
689
690struct fuse_in_header {
691 uint32_t len;
692 uint32_t opcode;
693 uint64_t unique;
694 uint64_t nodeid;
695 uint32_t uid;
696 uint32_t gid;
697 uint32_t pid;
698 uint32_t padding;
699};
700
701struct fuse_out_header {
702 uint32_t len;
703 int32_t error;
704 uint64_t unique;
705};
706
707struct fuse_dirent {
708 uint64_t ino;
709 uint64_t off;
710 uint32_t namelen;
711 uint32_t type;
712 char name[];
713};
714
715#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name)
716#define FUSE_DIRENT_ALIGN(x) \
717 (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1))
718#define FUSE_DIRENT_SIZE(d) \
719 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
720
721struct fuse_direntplus {
722 struct fuse_entry_out entry_out;
723 struct fuse_dirent dirent;
724};
725
726#define FUSE_NAME_OFFSET_DIRENTPLUS \
727 offsetof(struct fuse_direntplus, dirent.name)
728#define FUSE_DIRENTPLUS_SIZE(d) \
729 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen)
730
731struct fuse_notify_inval_inode_out {
732 uint64_t ino;
733 int64_t off;
734 int64_t len;
735};
736
737struct fuse_notify_inval_entry_out {
738 uint64_t parent;
739 uint32_t namelen;
740 uint32_t padding;
741};
742
743struct fuse_notify_delete_out {
744 uint64_t parent;
745 uint64_t child;
746 uint32_t namelen;
747 uint32_t padding;
748};
749
750struct fuse_notify_store_out {
751 uint64_t nodeid;
752 uint64_t offset;
753 uint32_t size;
754 uint32_t padding;
755};
756
757struct fuse_notify_retrieve_out {
758 uint64_t notify_unique;
759 uint64_t nodeid;
760 uint64_t offset;
761 uint32_t size;
762 uint32_t padding;
763};
764
765
766struct fuse_notify_retrieve_in {
767 uint64_t dummy1;
768 uint64_t offset;
769 uint32_t size;
770 uint32_t dummy2;
771 uint64_t dummy3;
772 uint64_t dummy4;
773};
774
775
776#define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t)
777
778struct fuse_lseek_in {
779 uint64_t fh;
780 uint64_t offset;
781 uint32_t whence;
782 uint32_t padding;
783};
784
785struct fuse_lseek_out {
786 uint64_t offset;
787};
788
789#endif
790