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