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138#ifndef _LINUX_FUSE_H
139#define _LINUX_FUSE_H
140
141#ifdef __KERNEL__
142#include <linux/types.h>
143#else
144#include <stdint.h>
145#endif
146
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167
168#define FUSE_KERNEL_VERSION 7
169
170
171#define FUSE_KERNEL_MINOR_VERSION 31
172
173
174#define FUSE_ROOT_ID 1
175
176
177
178
179struct fuse_attr {
180 uint64_t ino;
181 uint64_t size;
182 uint64_t blocks;
183 uint64_t atime;
184 uint64_t mtime;
185 uint64_t ctime;
186 uint32_t atimensec;
187 uint32_t mtimensec;
188 uint32_t ctimensec;
189 uint32_t mode;
190 uint32_t nlink;
191 uint32_t uid;
192 uint32_t gid;
193 uint32_t rdev;
194 uint32_t blksize;
195 uint32_t padding;
196};
197
198struct fuse_kstatfs {
199 uint64_t blocks;
200 uint64_t bfree;
201 uint64_t bavail;
202 uint64_t files;
203 uint64_t ffree;
204 uint32_t bsize;
205 uint32_t namelen;
206 uint32_t frsize;
207 uint32_t padding;
208 uint32_t spare[6];
209};
210
211struct fuse_file_lock {
212 uint64_t start;
213 uint64_t end;
214 uint32_t type;
215 uint32_t pid;
216};
217
218
219
220
221#define FATTR_MODE (1 << 0)
222#define FATTR_UID (1 << 1)
223#define FATTR_GID (1 << 2)
224#define FATTR_SIZE (1 << 3)
225#define FATTR_ATIME (1 << 4)
226#define FATTR_MTIME (1 << 5)
227#define FATTR_FH (1 << 6)
228#define FATTR_ATIME_NOW (1 << 7)
229#define FATTR_MTIME_NOW (1 << 8)
230#define FATTR_LOCKOWNER (1 << 9)
231#define FATTR_CTIME (1 << 10)
232
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241
242#define FOPEN_DIRECT_IO (1 << 0)
243#define FOPEN_KEEP_CACHE (1 << 1)
244#define FOPEN_NONSEEKABLE (1 << 2)
245#define FOPEN_CACHE_DIR (1 << 3)
246#define FOPEN_STREAM (1 << 4)
247
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277
278#define FUSE_ASYNC_READ (1 << 0)
279#define FUSE_POSIX_LOCKS (1 << 1)
280#define FUSE_FILE_OPS (1 << 2)
281#define FUSE_ATOMIC_O_TRUNC (1 << 3)
282#define FUSE_EXPORT_SUPPORT (1 << 4)
283#define FUSE_BIG_WRITES (1 << 5)
284#define FUSE_DONT_MASK (1 << 6)
285#define FUSE_SPLICE_WRITE (1 << 7)
286#define FUSE_SPLICE_MOVE (1 << 8)
287#define FUSE_SPLICE_READ (1 << 9)
288#define FUSE_FLOCK_LOCKS (1 << 10)
289#define FUSE_HAS_IOCTL_DIR (1 << 11)
290#define FUSE_AUTO_INVAL_DATA (1 << 12)
291#define FUSE_DO_READDIRPLUS (1 << 13)
292#define FUSE_READDIRPLUS_AUTO (1 << 14)
293#define FUSE_ASYNC_DIO (1 << 15)
294#define FUSE_WRITEBACK_CACHE (1 << 16)
295#define FUSE_NO_OPEN_SUPPORT (1 << 17)
296#define FUSE_PARALLEL_DIROPS (1 << 18)
297#define FUSE_HANDLE_KILLPRIV (1 << 19)
298#define FUSE_POSIX_ACL (1 << 20)
299#define FUSE_ABORT_ERROR (1 << 21)
300#define FUSE_MAX_PAGES (1 << 22)
301#define FUSE_CACHE_SYMLINKS (1 << 23)
302#define FUSE_NO_OPENDIR_SUPPORT (1 << 24)
303#define FUSE_EXPLICIT_INVAL_DATA (1 << 25)
304
305
306
307
308
309
310#define CUSE_UNRESTRICTED_IOCTL (1 << 0)
311
312
313
314
315#define FUSE_RELEASE_FLUSH (1 << 0)
316#define FUSE_RELEASE_FLOCK_UNLOCK (1 << 1)
317
318
319
320
321#define FUSE_GETATTR_FH (1 << 0)
322
323
324
325
326#define FUSE_LK_FLOCK (1 << 0)
327
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334
335#define FUSE_WRITE_CACHE (1 << 0)
336#define FUSE_WRITE_LOCKOWNER (1 << 1)
337#define FUSE_WRITE_KILL_PRIV (1 << 2)
338
339
340
341
342#define FUSE_READ_LOCKOWNER (1 << 1)
343
344
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353
354
355
356#define FUSE_IOCTL_COMPAT (1 << 0)
357#define FUSE_IOCTL_UNRESTRICTED (1 << 1)
358#define FUSE_IOCTL_RETRY (1 << 2)
359#define FUSE_IOCTL_32BIT (1 << 3)
360#define FUSE_IOCTL_DIR (1 << 4)
361#define FUSE_IOCTL_COMPAT_X32 (1 << 5)
362
363#define FUSE_IOCTL_MAX_IOV 256
364
365
366
367
368
369
370#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0)
371
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374
375
376
377#define FUSE_FSYNC_FDATASYNC (1 << 0)
378
379enum fuse_opcode {
380 FUSE_LOOKUP = 1,
381 FUSE_FORGET = 2,
382 FUSE_GETATTR = 3,
383 FUSE_SETATTR = 4,
384 FUSE_READLINK = 5,
385 FUSE_SYMLINK = 6,
386 FUSE_MKNOD = 8,
387 FUSE_MKDIR = 9,
388 FUSE_UNLINK = 10,
389 FUSE_RMDIR = 11,
390 FUSE_RENAME = 12,
391 FUSE_LINK = 13,
392 FUSE_OPEN = 14,
393 FUSE_READ = 15,
394 FUSE_WRITE = 16,
395 FUSE_STATFS = 17,
396 FUSE_RELEASE = 18,
397 FUSE_FSYNC = 20,
398 FUSE_SETXATTR = 21,
399 FUSE_GETXATTR = 22,
400 FUSE_LISTXATTR = 23,
401 FUSE_REMOVEXATTR = 24,
402 FUSE_FLUSH = 25,
403 FUSE_INIT = 26,
404 FUSE_OPENDIR = 27,
405 FUSE_READDIR = 28,
406 FUSE_RELEASEDIR = 29,
407 FUSE_FSYNCDIR = 30,
408 FUSE_GETLK = 31,
409 FUSE_SETLK = 32,
410 FUSE_SETLKW = 33,
411 FUSE_ACCESS = 34,
412 FUSE_CREATE = 35,
413 FUSE_INTERRUPT = 36,
414 FUSE_BMAP = 37,
415 FUSE_DESTROY = 38,
416 FUSE_IOCTL = 39,
417 FUSE_POLL = 40,
418 FUSE_NOTIFY_REPLY = 41,
419 FUSE_BATCH_FORGET = 42,
420 FUSE_FALLOCATE = 43,
421 FUSE_READDIRPLUS = 44,
422 FUSE_RENAME2 = 45,
423 FUSE_LSEEK = 46,
424 FUSE_COPY_FILE_RANGE = 47,
425
426
427 CUSE_INIT = 4096,
428};
429
430enum fuse_notify_code {
431 FUSE_NOTIFY_POLL = 1,
432 FUSE_NOTIFY_INVAL_INODE = 2,
433 FUSE_NOTIFY_INVAL_ENTRY = 3,
434 FUSE_NOTIFY_STORE = 4,
435 FUSE_NOTIFY_RETRIEVE = 5,
436 FUSE_NOTIFY_DELETE = 6,
437 FUSE_NOTIFY_CODE_MAX,
438};
439
440
441#define FUSE_MIN_READ_BUFFER 8192
442
443#define FUSE_COMPAT_ENTRY_OUT_SIZE 120
444
445struct fuse_entry_out {
446 uint64_t nodeid;
447 uint64_t generation;
448
449 uint64_t entry_valid;
450 uint64_t attr_valid;
451 uint32_t entry_valid_nsec;
452 uint32_t attr_valid_nsec;
453 struct fuse_attr attr;
454};
455
456struct fuse_forget_in {
457 uint64_t nlookup;
458};
459
460struct fuse_forget_one {
461 uint64_t nodeid;
462 uint64_t nlookup;
463};
464
465struct fuse_batch_forget_in {
466 uint32_t count;
467 uint32_t dummy;
468};
469
470struct fuse_getattr_in {
471 uint32_t getattr_flags;
472 uint32_t dummy;
473 uint64_t fh;
474};
475
476#define FUSE_COMPAT_ATTR_OUT_SIZE 96
477
478struct fuse_attr_out {
479 uint64_t attr_valid;
480 uint32_t attr_valid_nsec;
481 uint32_t dummy;
482 struct fuse_attr attr;
483};
484
485#define FUSE_COMPAT_MKNOD_IN_SIZE 8
486
487struct fuse_mknod_in {
488 uint32_t mode;
489 uint32_t rdev;
490 uint32_t umask;
491 uint32_t padding;
492};
493
494struct fuse_mkdir_in {
495 uint32_t mode;
496 uint32_t umask;
497};
498
499struct fuse_rename_in {
500 uint64_t newdir;
501};
502
503struct fuse_rename2_in {
504 uint64_t newdir;
505 uint32_t flags;
506 uint32_t padding;
507};
508
509struct fuse_link_in {
510 uint64_t oldnodeid;
511};
512
513struct fuse_setattr_in {
514 uint32_t valid;
515 uint32_t padding;
516 uint64_t fh;
517 uint64_t size;
518 uint64_t lock_owner;
519 uint64_t atime;
520 uint64_t mtime;
521 uint64_t ctime;
522 uint32_t atimensec;
523 uint32_t mtimensec;
524 uint32_t ctimensec;
525 uint32_t mode;
526 uint32_t unused4;
527 uint32_t uid;
528 uint32_t gid;
529 uint32_t unused5;
530};
531
532struct fuse_open_in {
533 uint32_t flags;
534 uint32_t unused;
535};
536
537struct fuse_create_in {
538 uint32_t flags;
539 uint32_t mode;
540 uint32_t umask;
541 uint32_t padding;
542};
543
544struct fuse_open_out {
545 uint64_t fh;
546 uint32_t open_flags;
547 uint32_t padding;
548};
549
550struct fuse_release_in {
551 uint64_t fh;
552 uint32_t flags;
553 uint32_t release_flags;
554 uint64_t lock_owner;
555};
556
557struct fuse_flush_in {
558 uint64_t fh;
559 uint32_t unused;
560 uint32_t padding;
561 uint64_t lock_owner;
562};
563
564struct fuse_read_in {
565 uint64_t fh;
566 uint64_t offset;
567 uint32_t size;
568 uint32_t read_flags;
569 uint64_t lock_owner;
570 uint32_t flags;
571 uint32_t padding;
572};
573
574#define FUSE_COMPAT_WRITE_IN_SIZE 24
575
576struct fuse_write_in {
577 uint64_t fh;
578 uint64_t offset;
579 uint32_t size;
580 uint32_t write_flags;
581 uint64_t lock_owner;
582 uint32_t flags;
583 uint32_t padding;
584};
585
586struct fuse_write_out {
587 uint32_t size;
588 uint32_t padding;
589};
590
591#define FUSE_COMPAT_STATFS_SIZE 48
592
593struct fuse_statfs_out {
594 struct fuse_kstatfs st;
595};
596
597struct fuse_fsync_in {
598 uint64_t fh;
599 uint32_t fsync_flags;
600 uint32_t padding;
601};
602
603struct fuse_setxattr_in {
604 uint32_t size;
605 uint32_t flags;
606};
607
608struct fuse_getxattr_in {
609 uint32_t size;
610 uint32_t padding;
611};
612
613struct fuse_getxattr_out {
614 uint32_t size;
615 uint32_t padding;
616};
617
618struct fuse_lk_in {
619 uint64_t fh;
620 uint64_t owner;
621 struct fuse_file_lock lk;
622 uint32_t lk_flags;
623 uint32_t padding;
624};
625
626struct fuse_lk_out {
627 struct fuse_file_lock lk;
628};
629
630struct fuse_access_in {
631 uint32_t mask;
632 uint32_t padding;
633};
634
635struct fuse_init_in {
636 uint32_t major;
637 uint32_t minor;
638 uint32_t max_readahead;
639 uint32_t flags;
640};
641
642#define FUSE_COMPAT_INIT_OUT_SIZE 8
643#define FUSE_COMPAT_22_INIT_OUT_SIZE 24
644
645struct fuse_init_out {
646 uint32_t major;
647 uint32_t minor;
648 uint32_t max_readahead;
649 uint32_t flags;
650 uint16_t max_background;
651 uint16_t congestion_threshold;
652 uint32_t max_write;
653 uint32_t time_gran;
654 uint16_t max_pages;
655 uint16_t padding;
656 uint32_t unused[8];
657};
658
659#define CUSE_INIT_INFO_MAX 4096
660
661struct cuse_init_in {
662 uint32_t major;
663 uint32_t minor;
664 uint32_t unused;
665 uint32_t flags;
666};
667
668struct cuse_init_out {
669 uint32_t major;
670 uint32_t minor;
671 uint32_t unused;
672 uint32_t flags;
673 uint32_t max_read;
674 uint32_t max_write;
675 uint32_t dev_major;
676 uint32_t dev_minor;
677 uint32_t spare[10];
678};
679
680struct fuse_interrupt_in {
681 uint64_t unique;
682};
683
684struct fuse_bmap_in {
685 uint64_t block;
686 uint32_t blocksize;
687 uint32_t padding;
688};
689
690struct fuse_bmap_out {
691 uint64_t block;
692};
693
694struct fuse_ioctl_in {
695 uint64_t fh;
696 uint32_t flags;
697 uint32_t cmd;
698 uint64_t arg;
699 uint32_t in_size;
700 uint32_t out_size;
701};
702
703struct fuse_ioctl_iovec {
704 uint64_t base;
705 uint64_t len;
706};
707
708struct fuse_ioctl_out {
709 int32_t result;
710 uint32_t flags;
711 uint32_t in_iovs;
712 uint32_t out_iovs;
713};
714
715struct fuse_poll_in {
716 uint64_t fh;
717 uint64_t kh;
718 uint32_t flags;
719 uint32_t events;
720};
721
722struct fuse_poll_out {
723 uint32_t revents;
724 uint32_t padding;
725};
726
727struct fuse_notify_poll_wakeup_out {
728 uint64_t kh;
729};
730
731struct fuse_fallocate_in {
732 uint64_t fh;
733 uint64_t offset;
734 uint64_t length;
735 uint32_t mode;
736 uint32_t padding;
737};
738
739struct fuse_in_header {
740 uint32_t len;
741 uint32_t opcode;
742 uint64_t unique;
743 uint64_t nodeid;
744 uint32_t uid;
745 uint32_t gid;
746 uint32_t pid;
747 uint32_t padding;
748};
749
750struct fuse_out_header {
751 uint32_t len;
752 int32_t error;
753 uint64_t unique;
754};
755
756struct fuse_dirent {
757 uint64_t ino;
758 uint64_t off;
759 uint32_t namelen;
760 uint32_t type;
761 char name[];
762};
763
764#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name)
765#define FUSE_DIRENT_ALIGN(x) \
766 (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1))
767#define FUSE_DIRENT_SIZE(d) \
768 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
769
770struct fuse_direntplus {
771 struct fuse_entry_out entry_out;
772 struct fuse_dirent dirent;
773};
774
775#define FUSE_NAME_OFFSET_DIRENTPLUS \
776 offsetof(struct fuse_direntplus, dirent.name)
777#define FUSE_DIRENTPLUS_SIZE(d) \
778 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen)
779
780struct fuse_notify_inval_inode_out {
781 uint64_t ino;
782 int64_t off;
783 int64_t len;
784};
785
786struct fuse_notify_inval_entry_out {
787 uint64_t parent;
788 uint32_t namelen;
789 uint32_t padding;
790};
791
792struct fuse_notify_delete_out {
793 uint64_t parent;
794 uint64_t child;
795 uint32_t namelen;
796 uint32_t padding;
797};
798
799struct fuse_notify_store_out {
800 uint64_t nodeid;
801 uint64_t offset;
802 uint32_t size;
803 uint32_t padding;
804};
805
806struct fuse_notify_retrieve_out {
807 uint64_t notify_unique;
808 uint64_t nodeid;
809 uint64_t offset;
810 uint32_t size;
811 uint32_t padding;
812};
813
814
815struct fuse_notify_retrieve_in {
816 uint64_t dummy1;
817 uint64_t offset;
818 uint32_t size;
819 uint32_t dummy2;
820 uint64_t dummy3;
821 uint64_t dummy4;
822};
823
824
825#define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t)
826
827struct fuse_lseek_in {
828 uint64_t fh;
829 uint64_t offset;
830 uint32_t whence;
831 uint32_t padding;
832};
833
834struct fuse_lseek_out {
835 uint64_t offset;
836};
837
838struct fuse_copy_file_range_in {
839 uint64_t fh_in;
840 uint64_t off_in;
841 uint64_t nodeid_out;
842 uint64_t fh_out;
843 uint64_t off_out;
844 uint64_t len;
845 uint64_t flags;
846};
847
848#endif
849