1/*- 2 * SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 3 * 4 * This file defines the kernel interface of FUSE 5 * Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu> 6 * 7 * This program can be distributed under the terms of the GNU GPL. 8 * See the file COPYING. 9 * 10 * This -- and only this -- header file may also be distributed under 11 * the terms of the BSD Licence as follows: 12 * 13 * Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 */ 38 39/* 40 * This file defines the kernel interface of FUSE 41 * 42 * Protocol changelog: 43 * 44 * 7.9: 45 * - new fuse_getattr_in input argument of GETATTR 46 * - add lk_flags in fuse_lk_in 47 * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in 48 * - add blksize field to fuse_attr 49 * - add file flags field to fuse_read_in and fuse_write_in 50 * 51 * 7.10 52 * - add nonseekable open flag 53 * 54 * 7.11 55 * - add IOCTL message 56 * - add unsolicited notification support 57 * 58 * 7.12 59 * - add umask flag to input argument of open, mknod and mkdir 60 * - add notification messages for invalidation of inodes and 61 * directory entries 62 * 63 * 7.13 64 * - make max number of background requests and congestion threshold 65 * tunables 66 * 67 * 7.14 68 * - add splice support to fuse device 69 * 70 * 7.15 71 * - add store notify 72 * - add retrieve notify 73 * 74 * 7.16 75 * - add BATCH_FORGET request 76 * - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct 77 * fuse_ioctl_iovec' instead of ambiguous 'struct iovec' 78 * - add FUSE_IOCTL_32BIT flag 79 * 80 * 7.17 81 * - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK 82 * 83 * 7.18 84 * - add FUSE_IOCTL_DIR flag 85 * - add FUSE_NOTIFY_DELETE 86 * 87 * 7.19 88 * - add FUSE_FALLOCATE 89 * 90 * 7.20 91 * - add FUSE_AUTO_INVAL_DATA 92 * 7.21 93 * - add FUSE_READDIRPLUS 94 * - send the requested events in POLL request 95 * 96 * 7.22 97 * - add FUSE_ASYNC_DIO 98 * 99 * 7.23 100 * - add FUSE_WRITEBACK_CACHE 101 * - add time_gran to fuse_init_out 102 * - add reserved space to fuse_init_out 103 * - add FATTR_CTIME 104 * - add ctime and ctimensec to fuse_setattr_in 105 * - add FUSE_RENAME2 request 106 * - add FUSE_NO_OPEN_SUPPORT flag 107 * 108 * 7.24 109 * - add FUSE_LSEEK for SEEK_HOLE and SEEK_DATA support 110 * 111 * 7.25 112 * - add FUSE_PARALLEL_DIROPS 113 * 114 * 7.26 115 * - add FUSE_HANDLE_KILLPRIV 116 * - add FUSE_POSIX_ACL 117 * 118 * 7.27 119 * - add FUSE_ABORT_ERROR 120 * 121 * 7.28 122 * - add FUSE_COPY_FILE_RANGE 123 * - add FOPEN_CACHE_DIR 124 * - add FUSE_MAX_PAGES, add max_pages to init_out 125 * - add FUSE_CACHE_SYMLINKS 126 */ 127 128#ifndef _FUSE_FUSE_KERNEL_H 129#define _FUSE_FUSE_KERNEL_H 130 131#ifdef __linux__ 132#include <linux/types.h> 133#else 134#include <sys/types.h> 135#endif 136 137/** Version number of this interface */ 138#define FUSE_KERNEL_VERSION 7 139 140/** Minor version number of this interface */ 141#define FUSE_KERNEL_MINOR_VERSION 28 142 143/** The node ID of the root inode */ 144#define FUSE_ROOT_ID 1 145 146/* Make sure all structures are padded to 64bit boundary, so 32bit 147 userspace works under 64bit kernels */ 148 149struct fuse_attr { 150 uint64_t ino; 151 uint64_t size; 152 uint64_t blocks; 153 uint64_t atime; 154 uint64_t mtime; 155 uint64_t ctime; 156 uint32_t atimensec; 157 uint32_t mtimensec; 158 uint32_t ctimensec; 159 uint32_t mode; 160 uint32_t nlink; 161 uint32_t uid; 162 uint32_t gid; 163 uint32_t rdev; 164 uint32_t blksize; 165 uint32_t padding; 166}; 167 168struct fuse_kstatfs { 169 uint64_t blocks; 170 uint64_t bfree; 171 uint64_t bavail; 172 uint64_t files; 173 uint64_t ffree; 174 uint32_t bsize; 175 uint32_t namelen; 176 uint32_t frsize; 177 uint32_t padding; 178 uint32_t spare[6]; 179}; 180 181struct fuse_file_lock { 182 uint64_t start; 183 uint64_t end; 184 uint32_t type; 185 uint32_t pid; /* tgid */ 186}; 187 188/** 189 * Bitmasks for fuse_setattr_in.valid 190 */ 191#define FATTR_MODE (1 << 0) 192#define FATTR_UID (1 << 1) 193#define FATTR_GID (1 << 2) 194#define FATTR_SIZE (1 << 3) 195#define FATTR_ATIME (1 << 4) 196#define FATTR_MTIME (1 << 5) 197#define FATTR_FH (1 << 6) 198#define FATTR_ATIME_NOW (1 << 7) 199#define FATTR_MTIME_NOW (1 << 8) 200#define FATTR_LOCKOWNER (1 << 9) 201#define FATTR_CTIME (1 << 10) 202 203/** 204 * Flags returned by the OPEN request 205 * 206 * FOPEN_DIRECT_IO: bypass page cache for this open file 207 * FOPEN_KEEP_CACHE: don't invalidate the data cache on open 208 * FOPEN_NONSEEKABLE: the file is not seekable 209 * FOPEN_CACHE_DIR: allow caching this directory 210 */ 211#define FOPEN_DIRECT_IO (1 << 0) 212#define FOPEN_KEEP_CACHE (1 << 1) 213#define FOPEN_NONSEEKABLE (1 << 2) 214#define FOPEN_CACHE_DIR (1 << 3) 215 216/** 217 * INIT request/reply flags 218 * 219 * FUSE_ASYNC_READ: asynchronous read requests 220 * FUSE_POSIX_LOCKS: remote locking for POSIX file locks 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 223 * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." 224 * FUSE_BIG_WRITES: filesystem can handle write size larger than 4kB 225 * FUSE_DONT_MASK: don't apply umask to file mode on create operations 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 229 * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks 230 * FUSE_HAS_IOCTL_DIR: kernel supports ioctl on directories 231 * FUSE_AUTO_INVAL_DATA: automatically invalidate cached pages 232 * FUSE_DO_READDIRPLUS: do READDIRPLUS (READDIR+LOOKUP in one) 233 * FUSE_READDIRPLUS_AUTO: adaptive readdirplus 234 * FUSE_ASYNC_DIO: asynchronous direct I/O submission 235 * FUSE_WRITEBACK_CACHE: use writeback cache for buffered writes 236 * FUSE_NO_OPEN_SUPPORT: kernel supports zero-message opens 237 * FUSE_PARALLEL_DIROPS: allow parallel lookups and readdir 238 * FUSE_HANDLE_KILLPRIV: fs handles killing suid/sgid/cap on write/chown/trunc 239 * FUSE_POSIX_ACL: filesystem supports posix acls 240 * FUSE_ABORT_ERROR: reading the device after abort returns ECONNABORTED 241 * FUSE_MAX_PAGES: init_out.max_pages contains the max number of req pages 242 * FUSE_CACHE_SYMLINKS: cache READLINK responses 243 */ 244#define FUSE_ASYNC_READ (1 << 0) 245#define FUSE_POSIX_LOCKS (1 << 1) 246#define FUSE_FILE_OPS (1 << 2) 247#define FUSE_ATOMIC_O_TRUNC (1 << 3) 248#define FUSE_EXPORT_SUPPORT (1 << 4) 249#define FUSE_BIG_WRITES (1 << 5) 250#define FUSE_DONT_MASK (1 << 6) 251#define FUSE_SPLICE_WRITE (1 << 7) 252#define FUSE_SPLICE_MOVE (1 << 8) 253#define FUSE_SPLICE_READ (1 << 9) 254#define FUSE_FLOCK_LOCKS (1 << 10) 255#define FUSE_HAS_IOCTL_DIR (1 << 11) 256#define FUSE_AUTO_INVAL_DATA (1 << 12) 257#define FUSE_DO_READDIRPLUS (1 << 13) 258#define FUSE_READDIRPLUS_AUTO (1 << 14) 259#define FUSE_ASYNC_DIO (1 << 15) 260#define FUSE_WRITEBACK_CACHE (1 << 16) 261#define FUSE_NO_OPEN_SUPPORT (1 << 17) 262#define FUSE_PARALLEL_DIROPS (1 << 18) 263#define FUSE_HANDLE_KILLPRIV (1 << 19) 264#define FUSE_POSIX_ACL (1 << 20) 265#define FUSE_ABORT_ERROR (1 << 21) 266#define FUSE_MAX_PAGES (1 << 22) 267#define FUSE_CACHE_SYMLINKS (1 << 23) 268 269#ifdef linux 270/** 271 * CUSE INIT request/reply flags 272 * 273 * CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl 274 */ 275#define CUSE_UNRESTRICTED_IOCTL (1 << 0) 276#endif /* linux */ 277 278/** 279 * Release flags 280 */ 281#define FUSE_RELEASE_FLUSH (1 << 0) 282#define FUSE_RELEASE_FLOCK_UNLOCK (1 << 1) 283 284/** 285 * Getattr flags 286 */ 287#define FUSE_GETATTR_FH (1 << 0) 288 289/** 290 * Lock flags 291 */ 292#define FUSE_LK_FLOCK (1 << 0) 293 294/** 295 * WRITE flags 296 * 297 * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed 298 * FUSE_WRITE_LOCKOWNER: lock_owner field is valid 299 */ 300#define FUSE_WRITE_CACHE (1 << 0) 301#define FUSE_WRITE_LOCKOWNER (1 << 1) 302 303/** 304 * Read flags 305 */ 306#define FUSE_READ_LOCKOWNER (1 << 1) 307 308/** 309 * Ioctl flags 310 * 311 * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine 312 * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed 313 * FUSE_IOCTL_RETRY: retry with new iovecs 314 * FUSE_IOCTL_32BIT: 32bit ioctl 315 * FUSE_IOCTL_DIR: is a directory 316 * 317 * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs 318 */ 319#define FUSE_IOCTL_COMPAT (1 << 0) 320#define FUSE_IOCTL_UNRESTRICTED (1 << 1) 321#define FUSE_IOCTL_RETRY (1 << 2) 322#define FUSE_IOCTL_32BIT (1 << 3) 323#define FUSE_IOCTL_DIR (1 << 4) 324 325#define FUSE_IOCTL_MAX_IOV 256 326 327/** 328 * Poll flags 329 * 330 * FUSE_POLL_SCHEDULE_NOTIFY: request poll notify 331 */ 332#define FUSE_POLL_SCHEDULE_NOTIFY (1 << 0) 333 334enum fuse_opcode { 335 FUSE_LOOKUP = 1, 336 FUSE_FORGET = 2, /* no reply */ 337 FUSE_GETATTR = 3, 338 FUSE_SETATTR = 4, 339 FUSE_READLINK = 5, 340 FUSE_SYMLINK = 6, 341 FUSE_MKNOD = 8, 342 FUSE_MKDIR = 9, 343 FUSE_UNLINK = 10, 344 FUSE_RMDIR = 11, 345 FUSE_RENAME = 12, 346 FUSE_LINK = 13, 347 FUSE_OPEN = 14, 348 FUSE_READ = 15, 349 FUSE_WRITE = 16, 350 FUSE_STATFS = 17, 351 FUSE_RELEASE = 18, 352 FUSE_FSYNC = 20, 353 FUSE_SETXATTR = 21, 354 FUSE_GETXATTR = 22, 355 FUSE_LISTXATTR = 23, 356 FUSE_REMOVEXATTR = 24, 357 FUSE_FLUSH = 25, 358 FUSE_INIT = 26, 359 FUSE_OPENDIR = 27, 360 FUSE_READDIR = 28, 361 FUSE_RELEASEDIR = 29, 362 FUSE_FSYNCDIR = 30, 363 FUSE_GETLK = 31, 364 FUSE_SETLK = 32, 365 FUSE_SETLKW = 33, 366 FUSE_ACCESS = 34, 367 FUSE_CREATE = 35, 368 FUSE_INTERRUPT = 36, 369 FUSE_BMAP = 37, 370 FUSE_DESTROY = 38, 371 FUSE_IOCTL = 39, 372 FUSE_POLL = 40, 373 FUSE_NOTIFY_REPLY = 41, 374 FUSE_BATCH_FORGET = 42, 375 FUSE_FALLOCATE = 43, 376 FUSE_READDIRPLUS = 44, 377 FUSE_RENAME2 = 45, 378 FUSE_LSEEK = 46, 379 FUSE_COPY_FILE_RANGE = 47, 380 381#ifdef linux 382 /* CUSE specific operations */ 383 CUSE_INIT = 4096, 384#endif /* linux */ 385}; 386 387enum fuse_notify_code { 388 FUSE_NOTIFY_POLL = 1, 389 FUSE_NOTIFY_INVAL_INODE = 2, 390 FUSE_NOTIFY_INVAL_ENTRY = 3, 391 FUSE_NOTIFY_STORE = 4, 392 FUSE_NOTIFY_RETRIEVE = 5, 393 FUSE_NOTIFY_DELETE = 6, 394 FUSE_NOTIFY_CODE_MAX, 395}; 396 397/* The read buffer is required to be at least 8k, but may be much larger */ 398#define FUSE_MIN_READ_BUFFER 8192 399 400#define FUSE_COMPAT_ENTRY_OUT_SIZE 120 401 402struct fuse_entry_out { 403 uint64_t nodeid; /* Inode ID */ 404 uint64_t generation; /* Inode generation: nodeid:gen must 405 be unique for the fs's lifetime */ 406 uint64_t entry_valid; /* Cache timeout for the name */ 407 uint64_t attr_valid; /* Cache timeout for the attributes */ 408 uint32_t entry_valid_nsec; 409 uint32_t attr_valid_nsec; 410 struct fuse_attr attr; 411}; 412 413struct fuse_forget_in { 414 uint64_t nlookup; 415}; 416 417struct fuse_forget_one { 418 uint64_t nodeid; 419 uint64_t nlookup; 420}; 421 422struct fuse_batch_forget_in { 423 uint32_t count; 424 uint32_t dummy; 425}; 426 427struct fuse_getattr_in { 428 uint32_t getattr_flags; 429 uint32_t dummy; 430 uint64_t fh; 431}; 432 433#define FUSE_COMPAT_ATTR_OUT_SIZE 96 434 435struct fuse_attr_out { 436 uint64_t attr_valid; /* Cache timeout for the attributes */ 437 uint32_t attr_valid_nsec; 438 uint32_t dummy; 439 struct fuse_attr attr; 440}; 441 442#define FUSE_COMPAT_MKNOD_IN_SIZE 8 443 444struct fuse_mknod_in { 445 uint32_t mode; 446 uint32_t rdev; 447 uint32_t umask; 448 uint32_t padding; 449}; 450 451struct fuse_mkdir_in { 452 uint32_t mode; 453 uint32_t umask; 454}; 455 456struct fuse_rename_in { 457 uint64_t newdir; 458}; 459 460struct fuse_rename2_in { 461 uint64_t newdir; 462 uint32_t flags; 463 uint32_t padding; 464}; 465 466struct fuse_link_in { 467 uint64_t oldnodeid; 468}; 469 470struct fuse_setattr_in { 471 uint32_t valid; 472 uint32_t padding; 473 uint64_t fh; 474 uint64_t size; 475 uint64_t lock_owner; 476 uint64_t atime; 477 uint64_t mtime; 478 uint64_t ctime; 479 uint32_t atimensec; 480 uint32_t mtimensec; 481 uint32_t ctimensec; 482 uint32_t mode; 483 uint32_t unused4; 484 uint32_t uid; 485 uint32_t gid; 486 uint32_t unused5; 487}; 488 489struct fuse_open_in { 490 uint32_t flags; 491 uint32_t unused; 492}; 493 494struct fuse_create_in { 495 uint32_t flags; 496 uint32_t mode; 497 uint32_t umask; 498 uint32_t padding; 499}; 500 501struct fuse_open_out { 502 uint64_t fh; 503 uint32_t open_flags; 504 uint32_t padding; 505}; 506 507struct fuse_release_in { 508 uint64_t fh; 509 uint32_t flags; 510 uint32_t release_flags; 511 uint64_t lock_owner; 512}; 513 514struct fuse_flush_in { 515 uint64_t fh; 516 uint32_t unused; 517 uint32_t padding; 518 uint64_t lock_owner; 519}; 520 521struct fuse_read_in { 522 uint64_t fh; 523 uint64_t offset; 524 uint32_t size; 525 uint32_t read_flags; 526 uint64_t lock_owner; 527 uint32_t flags; 528 uint32_t padding; 529}; 530 531#define FUSE_COMPAT_WRITE_IN_SIZE 24 532 533struct fuse_write_in { 534 uint64_t fh; 535 uint64_t offset; 536 uint32_t size; 537 uint32_t write_flags; 538 uint64_t lock_owner; 539 uint32_t flags; 540 uint32_t padding; 541}; 542 543struct fuse_write_out { 544 uint32_t size; 545 uint32_t padding; 546}; 547 548#define FUSE_COMPAT_STATFS_SIZE 48 549 550struct fuse_statfs_out { 551 struct fuse_kstatfs st; 552}; 553 554struct fuse_fsync_in { 555 uint64_t fh; 556 uint32_t fsync_flags; 557 uint32_t padding; 558}; 559 560struct fuse_setxattr_in { 561 uint32_t size; 562 uint32_t flags; 563}; 564 565struct fuse_listxattr_in { 566 uint32_t size; 567 uint32_t padding; 568}; 569 570struct fuse_listxattr_out { 571 uint32_t size; 572 uint32_t padding; 573}; 574 575struct fuse_getxattr_in { 576 uint32_t size; 577 uint32_t padding; 578}; 579 580struct fuse_getxattr_out { 581 uint32_t size; 582 uint32_t padding; 583}; 584 585struct fuse_lk_in { 586 uint64_t fh; 587 uint64_t owner; 588 struct fuse_file_lock lk; 589 uint32_t lk_flags; 590 uint32_t padding; 591}; 592 593struct fuse_lk_out { 594 struct fuse_file_lock lk; 595}; 596 597struct fuse_access_in { 598 uint32_t mask; 599 uint32_t padding; 600}; 601 602struct fuse_init_in { 603 uint32_t major; 604 uint32_t minor; 605 uint32_t max_readahead; 606 uint32_t flags; 607}; 608 609#define FUSE_COMPAT_INIT_OUT_SIZE 8 610#define FUSE_COMPAT_22_INIT_OUT_SIZE 24 611 612struct fuse_init_out { 613 uint32_t major; 614 uint32_t minor; 615 uint32_t max_readahead; 616 uint32_t flags; 617 uint16_t max_background; 618 uint16_t congestion_threshold; 619 uint32_t max_write; 620 uint32_t time_gran; 621 uint16_t max_pages; 622 uint16_t padding; 623 uint32_t unused[8]; 624}; 625 626#ifdef linux 627#define CUSE_INIT_INFO_MAX 4096 628 629struct cuse_init_in { 630 uint32_t major; 631 uint32_t minor; 632 uint32_t unused; 633 uint32_t flags; 634}; 635 636struct cuse_init_out { 637 uint32_t major; 638 uint32_t minor; 639 uint32_t unused; 640 uint32_t flags; 641 uint32_t max_read; 642 uint32_t max_write; 643 uint32_t dev_major; /* chardev major */ 644 uint32_t dev_minor; /* chardev minor */ 645 uint32_t spare[10]; 646}; 647#endif /* linux */ 648 649struct fuse_interrupt_in { 650 uint64_t unique; 651}; 652 653struct fuse_bmap_in { 654 uint64_t block; 655 uint32_t blocksize; 656 uint32_t padding; 657}; 658 659struct fuse_bmap_out { 660 uint64_t block; 661}; 662 663struct fuse_ioctl_in { 664 uint64_t fh; 665 uint32_t flags; 666 uint32_t cmd; 667 uint64_t arg; 668 uint32_t in_size; 669 uint32_t out_size; 670}; 671 672struct fuse_ioctl_iovec { 673 uint64_t base; 674 uint64_t len; 675}; 676 677struct fuse_ioctl_out { 678 int32_t result; 679 uint32_t flags; 680 uint32_t in_iovs; 681 uint32_t out_iovs; 682}; 683 684struct fuse_poll_in { 685 uint64_t fh; 686 uint64_t kh; 687 uint32_t flags; 688 uint32_t events; 689}; 690 691struct fuse_poll_out { 692 uint32_t revents; 693 uint32_t padding; 694}; 695 696struct fuse_notify_poll_wakeup_out { 697 uint64_t kh; 698}; 699 700struct fuse_fallocate_in { 701 uint64_t fh; 702 uint64_t offset; 703 uint64_t length; 704 uint32_t mode; 705 uint32_t padding; 706}; 707 708struct fuse_in_header { 709 uint32_t len; 710 uint32_t opcode; 711 uint64_t unique; 712 uint64_t nodeid; 713 uint32_t uid; 714 uint32_t gid; 715 uint32_t pid; 716 uint32_t padding; 717}; 718 719struct fuse_out_header { 720 uint32_t len; 721 int32_t error; 722 uint64_t unique; 723}; 724 725struct fuse_dirent { 726 uint64_t ino; 727 uint64_t off; 728 uint32_t namelen; 729 uint32_t type; 730 char name[]; 731}; 732 733#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) 734#define FUSE_DIRENT_ALIGN(x) \ 735 (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1)) 736#define FUSE_DIRENT_SIZE(d) \ 737 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) 738 739struct fuse_direntplus { 740 struct fuse_entry_out entry_out; 741 struct fuse_dirent dirent; 742}; 743 744#define FUSE_NAME_OFFSET_DIRENTPLUS \ 745 offsetof(struct fuse_direntplus, dirent.name) 746#define FUSE_DIRENTPLUS_SIZE(d) \ 747 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen) 748 749struct fuse_notify_inval_inode_out { 750 uint64_t ino; 751 int64_t off; 752 int64_t len; 753}; 754 755struct fuse_notify_inval_entry_out { 756 uint64_t parent; 757 uint32_t namelen; 758 uint32_t padding; 759}; 760 761struct fuse_notify_delete_out { 762 uint64_t parent; 763 uint64_t child; 764 uint32_t namelen; 765 uint32_t padding; 766}; 767 768struct fuse_notify_store_out { 769 uint64_t nodeid; 770 uint64_t offset; 771 uint32_t size; 772 uint32_t padding; 773}; 774 775struct fuse_notify_retrieve_out { 776 uint64_t notify_unique; 777 uint64_t nodeid; 778 uint64_t offset; 779 uint32_t size; 780 uint32_t padding; 781}; 782 783/* Matches the size of fuse_write_in */ 784struct fuse_notify_retrieve_in { 785 uint64_t dummy1; 786 uint64_t offset; 787 uint32_t size; 788 uint32_t dummy2; 789 uint64_t dummy3; 790 uint64_t dummy4; 791}; 792 793struct fuse_lseek_in { 794 uint64_t fh; 795 uint64_t offset; 796 uint32_t whence; 797 uint32_t padding; 798}; 799 800struct fuse_lseek_out { 801 uint64_t offset; 802}; 803 804struct fuse_copy_file_range_in { 805 uint64_t fh_in; 806 uint64_t off_in; 807 uint64_t nodeid_out; 808 uint64_t fh_out; 809 uint64_t off_out; 810 uint64_t len; 811 uint64_t flags; 812}; 813 814#endif /* _FUSE_FUSE_KERNEL_H */ 815