1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ 2 /* 3 This file defines the kernel interface of FUSE 4 Copyright (C) 2001-2008 Miklos Szeredi <miklos (at) szeredi.hu> 5 6 This program can be distributed under the terms of the GNU GPL. 7 See the file COPYING. 8 9 This -- and only this -- header file may also be distributed under 10 the terms of the BSD Licence as follows: 11 12 Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved. 13 14 Redistribution and use in source and binary forms, with or without 15 modification, are permitted provided that the following conditions 16 are met: 17 1. Redistributions of source code must retain the above copyright 18 notice, this list of conditions and the following disclaimer. 19 2. Redistributions in binary form must reproduce the above copyright 20 notice, this list of conditions and the following disclaimer in the 21 documentation and/or other materials provided with the distribution. 22 23 THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 27 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 SUCH DAMAGE. 34 */ 35 36 /* 37 * This file defines the kernel interface of FUSE 38 * 39 * Protocol changelog: 40 * 41 * 7.9: 42 * - new fuse_getattr_in input argument of GETATTR 43 * - add lk_flags in fuse_lk_in 44 * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in 45 * - add blksize field to fuse_attr 46 * - add file flags field to fuse_read_in and fuse_write_in 47 * 48 * 7.10 49 * - add nonseekable open flag 50 * 51 * 7.11 52 * - add IOCTL message 53 * - add unsolicited notification support 54 * - add POLL message and NOTIFY_POLL notification 55 * 56 * 7.12 57 * - add umask flag to input argument of open, mknod and mkdir 58 * - add notification messages for invalidation of inodes and 59 * directory entries 60 * 61 * 7.13 62 * - make max number of background requests and congestion threshold 63 * tunables 64 * 65 * 7.14 66 * - add splice support to fuse device 67 * 68 * 7.15 69 * - add store notify 70 * - add retrieve notify 71 * 72 * 7.16 73 * - add BATCH_FORGET request 74 * - FUSE_IOCTL_UNRESTRICTED shall now return with array of 'struct 75 * fuse_ioctl_iovec' instead of ambiguous 'struct iovec' 76 * - add FUSE_IOCTL_32BIT flag 77 * 78 * 7.17 79 * - add FUSE_FLOCK_LOCKS and FUSE_RELEASE_FLOCK_UNLOCK 80 * 81 * 7.18 82 * - add FUSE_IOCTL_DIR flag 83 * - add FUSE_NOTIFY_DELETE 84 * 85 * 7.19 86 * - add FUSE_FALLOCATE 87 * 88 * 7.20 89 * - add FUSE_AUTO_INVAL_DATA 90 * 91 * 7.21 92 * - add FUSE_READDIRPLUS 93 * - send the requested events in POLL request 94 * 95 * 7.22 96 * - add FUSE_ASYNC_DIO 97 * 98 * 7.23 99 * - add FUSE_WRITEBACK_CACHE 100 * - add time_gran to fuse_init_out 101 * - add reserved space to fuse_init_out 102 * - add FATTR_CTIME 103 * - add ctime and ctimensec to fuse_setattr_in 104 * - add FUSE_RENAME2 request 105 * - add FUSE_NO_OPEN_SUPPORT flag 106 * 107 * 7.24 108 * - add FUSE_LSEEK for SEEK_HOLE and SEEK_DATA support 109 * 110 * 7.25 111 * - add FUSE_PARALLEL_DIROPS 112 * 113 * 7.26 114 * - add FUSE_HANDLE_KILLPRIV 115 * - add FUSE_POSIX_ACL 116 */ 117 118 #ifndef _LINUX_FUSE_H 119 #define _LINUX_FUSE_H 120 121 #ifdef __KERNEL__ 122 #include <linux/types.h> 123 #else 124 #include <stdint.h> 125 #endif 126 127 /* 128 * Version negotiation: 129 * 130 * Both the kernel and userspace send the version they support in the 131 * INIT request and reply respectively. 132 * 133 * If the major versions match then both shall use the smallest 134 * of the two minor versions for communication. 135 * 136 * If the kernel supports a larger major version, then userspace shall 137 * reply with the major version it supports, ignore the rest of the 138 * INIT message and expect a new INIT message from the kernel with a 139 * matching major version. 140 * 141 * If the library supports a larger major version, then it shall fall 142 * back to the major protocol version sent by the kernel for 143 * communication and reply with that major version (and an arbitrary 144 * supported minor version). 145 */ 146 147 /** Version number of this interface */ 148 #define FUSE_KERNEL_VERSION 7 149 150 /** Minor version number of this interface */ 151 #define FUSE_KERNEL_MINOR_VERSION 26 152 153 /** The node ID of the root inode */ 154 #define FUSE_ROOT_ID 1 155 156 /* Make sure all structures are padded to 64bit boundary, so 32bit 157 userspace works under 64bit kernels */ 158 159 struct fuse_attr { 160 uint64_t ino; 161 uint64_t size; 162 uint64_t blocks; 163 uint64_t atime; 164 uint64_t mtime; 165 uint64_t ctime; 166 uint32_t atimensec; 167 uint32_t mtimensec; 168 uint32_t ctimensec; 169 uint32_t mode; 170 uint32_t nlink; 171 uint32_t uid; 172 uint32_t gid; 173 uint32_t rdev; 174 uint32_t blksize; 175 uint32_t padding; 176 }; 177 178 struct fuse_kstatfs { 179 uint64_t blocks; 180 uint64_t bfree; 181 uint64_t bavail; 182 uint64_t files; 183 uint64_t ffree; 184 uint32_t bsize; 185 uint32_t namelen; 186 uint32_t frsize; 187 uint32_t padding; 188 uint32_t spare[6]; 189 }; 190 191 struct fuse_file_lock { 192 uint64_t start; 193 uint64_t end; 194 uint32_t type; 195 uint32_t pid; /* tgid */ 196 }; 197 198 /** 199 * Bitmasks for fuse_setattr_in.valid 200 */ 201 #define FATTR_MODE (1 << 0) 202 #define FATTR_UID (1 << 1) 203 #define FATTR_GID (1 << 2) 204 #define FATTR_SIZE (1 << 3) 205 #define FATTR_ATIME (1 << 4) 206 #define FATTR_MTIME (1 << 5) 207 #define FATTR_FH (1 << 6) 208 #define FATTR_ATIME_NOW (1 << 7) 209 #define FATTR_MTIME_NOW (1 << 8) 210 #define FATTR_LOCKOWNER (1 << 9) 211 #define FATTR_CTIME (1 << 10) 212 213 /** 214 * Flags returned by the OPEN request 215 * 216 * FOPEN_DIRECT_IO: bypass page cache for this open file 217 * FOPEN_KEEP_CACHE: don't invalidate the data cache on open 218 * FOPEN_NONSEEKABLE: the file is not seekable 219 */ 220 #define FOPEN_DIRECT_IO (1 << 0) 221 #define FOPEN_KEEP_CACHE (1 << 1) 222 #define FOPEN_NONSEEKABLE (1 << 2) 223 224 /** 225 * INIT request/reply flags 226 * 227 * FUSE_ASYNC_READ: asynchronous read requests 228 * FUSE_POSIX_LOCKS: remote locking for POSIX file locks 229 * FUSE_FILE_OPS: kernel sends file handle for fstat, etc... (not yet supported) 230 * FUSE_ATOMIC_O_TRUNC: handles the O_TRUNC open flag in the filesystem 231 * FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".." 232 * FUSE_BIG_WRITES: filesystem can handle write size larger than 4kB 233 * FUSE_DONT_MASK: don't apply umask to file mode on create operations 234 * FUSE_SPLICE_WRITE: kernel supports splice write on the device 235 * FUSE_SPLICE_MOVE: kernel supports splice move on the device 236 * FUSE_SPLICE_READ: kernel supports splice read on the device 237 * FUSE_FLOCK_LOCKS: remote locking for BSD style file locks 238 * FUSE_HAS_IOCTL_DIR: kernel supports ioctl on directories 239 * FUSE_AUTO_INVAL_DATA: automatically invalidate cached pages 240 * FUSE_DO_READDIRPLUS: do READDIRPLUS (READDIR+LOOKUP in one) 241 * FUSE_READDIRPLUS_AUTO: adaptive readdirplus 242 * FUSE_ASYNC_DIO: asynchronous direct I/O submission 243 * FUSE_WRITEBACK_CACHE: use writeback cache for buffered writes 244 * FUSE_NO_OPEN_SUPPORT: kernel supports zero-message opens 245 * FUSE_PARALLEL_DIROPS: allow parallel lookups and readdir 246 * FUSE_HANDLE_KILLPRIV: fs handles killing suid/sgid/cap on write/chown/trunc 247 * FUSE_POSIX_ACL: filesystem supports posix acls 248 */ 249 #define FUSE_ASYNC_READ (1 << 0) 250 #define FUSE_POSIX_LOCKS (1 << 1) 251 #define FUSE_FILE_OPS (1 << 2) 252 #define FUSE_ATOMIC_O_TRUNC (1 << 3) 253 #define FUSE_EXPORT_SUPPORT (1 << 4) 254 #define FUSE_BIG_WRITES (1 << 5) 255 #define FUSE_DONT_MASK (1 << 6) 256 #define FUSE_SPLICE_WRITE (1 << 7) 257 #define FUSE_SPLICE_MOVE (1 << 8) 258 #define FUSE_SPLICE_READ (1 << 9) 259 #define FUSE_FLOCK_LOCKS (1 << 10) 260 #define FUSE_HAS_IOCTL_DIR (1 << 11) 261 #define FUSE_AUTO_INVAL_DATA (1 << 12) 262 #define FUSE_DO_READDIRPLUS (1 << 13) 263 #define FUSE_READDIRPLUS_AUTO (1 << 14) 264 #define FUSE_ASYNC_DIO (1 << 15) 265 #define FUSE_WRITEBACK_CACHE (1 << 16) 266 #define FUSE_NO_OPEN_SUPPORT (1 << 17) 267 #define FUSE_PARALLEL_DIROPS (1 << 18) 268 #define FUSE_HANDLE_KILLPRIV (1 << 19) 269 #define FUSE_POSIX_ACL (1 << 20) 270 271 /** 272 * CUSE INIT request/reply flags 273 * 274 * CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl 275 */ 276 #define CUSE_UNRESTRICTED_IOCTL (1 << 0) 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) 333 334 enum 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, 379 380 /* CUSE specific operations */ 381 CUSE_INIT = 4096, 382 }; 383 384 enum fuse_notify_code { 385 FUSE_NOTIFY_POLL = 1, 386 FUSE_NOTIFY_INVAL_INODE = 2, 387 FUSE_NOTIFY_INVAL_ENTRY = 3, 388 FUSE_NOTIFY_STORE = 4, 389 FUSE_NOTIFY_RETRIEVE = 5, 390 FUSE_NOTIFY_DELETE = 6, 391 FUSE_NOTIFY_CODE_MAX, 392 }; 393 394 /* The read buffer is required to be at least 8k, but may be much larger */ 395 #define FUSE_MIN_READ_BUFFER 8192 396 397 #define FUSE_COMPAT_ENTRY_OUT_SIZE 120 398 399 struct fuse_entry_out { 400 uint64_t nodeid; /* Inode ID */ 401 uint64_t generation; /* Inode generation: nodeid:gen must 402 be unique for the fs's lifetime */ 403 uint64_t entry_valid; /* Cache timeout for the name */ 404 uint64_t attr_valid; /* Cache timeout for the attributes */ 405 uint32_t entry_valid_nsec; 406 uint32_t attr_valid_nsec; 407 struct fuse_attr attr; 408 }; 409 410 struct fuse_forget_in { 411 uint64_t nlookup; 412 }; 413 414 struct fuse_forget_one { 415 uint64_t nodeid; 416 uint64_t nlookup; 417 }; 418 419 struct fuse_batch_forget_in { 420 uint32_t count; 421 uint32_t dummy; 422 }; 423 424 struct fuse_getattr_in { 425 uint32_t getattr_flags; 426 uint32_t dummy; 427 uint64_t fh; 428 }; 429 430 #define FUSE_COMPAT_ATTR_OUT_SIZE 96 431 432 struct fuse_attr_out { 433 uint64_t attr_valid; /* Cache timeout for the attributes */ 434 uint32_t attr_valid_nsec; 435 uint32_t dummy; 436 struct fuse_attr attr; 437 }; 438 439 #define FUSE_COMPAT_MKNOD_IN_SIZE 8 440 441 struct fuse_mknod_in { 442 uint32_t mode; 443 uint32_t rdev; 444 uint32_t umask; 445 uint32_t padding; 446 }; 447 448 struct fuse_mkdir_in { 449 uint32_t mode; 450 uint32_t umask; 451 }; 452 453 struct fuse_rename_in { 454 uint64_t newdir; 455 }; 456 457 struct fuse_rename2_in { 458 uint64_t newdir; 459 uint32_t flags; 460 uint32_t padding; 461 }; 462 463 struct fuse_link_in { 464 uint64_t oldnodeid; 465 }; 466 467 struct fuse_setattr_in { 468 uint32_t valid; 469 uint32_t padding; 470 uint64_t fh; 471 uint64_t size; 472 uint64_t lock_owner; 473 uint64_t atime; 474 uint64_t mtime; 475 uint64_t ctime; 476 uint32_t atimensec; 477 uint32_t mtimensec; 478 uint32_t ctimensec; 479 uint32_t mode; 480 uint32_t unused4; 481 uint32_t uid; 482 uint32_t gid; 483 uint32_t unused5; 484 }; 485 486 struct fuse_open_in { 487 uint32_t flags; 488 uint32_t unused; 489 }; 490 491 struct fuse_create_in { 492 uint32_t flags; 493 uint32_t mode; 494 uint32_t umask; 495 uint32_t padding; 496 }; 497 498 struct fuse_open_out { 499 uint64_t fh; 500 uint32_t open_flags; 501 uint32_t padding; 502 }; 503 504 struct fuse_release_in { 505 uint64_t fh; 506 uint32_t flags; 507 uint32_t release_flags; 508 uint64_t lock_owner; 509 }; 510 511 struct fuse_flush_in { 512 uint64_t fh; 513 uint32_t unused; 514 uint32_t padding; 515 uint64_t lock_owner; 516 }; 517 518 struct fuse_read_in { 519 uint64_t fh; 520 uint64_t offset; 521 uint32_t size; 522 uint32_t read_flags; 523 uint64_t lock_owner; 524 uint32_t flags; 525 uint32_t padding; 526 }; 527 528 #define FUSE_COMPAT_WRITE_IN_SIZE 24 529 530 struct fuse_write_in { 531 uint64_t fh; 532 uint64_t offset; 533 uint32_t size; 534 uint32_t write_flags; 535 uint64_t lock_owner; 536 uint32_t flags; 537 uint32_t padding; 538 }; 539 540 struct fuse_write_out { 541 uint32_t size; 542 uint32_t padding; 543 }; 544 545 #define FUSE_COMPAT_STATFS_SIZE 48 546 547 struct fuse_statfs_out { 548 struct fuse_kstatfs st; 549 }; 550 551 struct fuse_fsync_in { 552 uint64_t fh; 553 uint32_t fsync_flags; 554 uint32_t padding; 555 }; 556 557 struct fuse_setxattr_in { 558 uint32_t size; 559 uint32_t flags; 560 }; 561 562 struct fuse_getxattr_in { 563 uint32_t size; 564 uint32_t padding; 565 }; 566 567 struct fuse_getxattr_out { 568 uint32_t size; 569 uint32_t padding; 570 }; 571 572 struct fuse_lk_in { 573 uint64_t fh; 574 uint64_t owner; 575 struct fuse_file_lock lk; 576 uint32_t lk_flags; 577 uint32_t padding; 578 }; 579 580 struct fuse_lk_out { 581 struct fuse_file_lock lk; 582 }; 583 584 struct fuse_access_in { 585 uint32_t mask; 586 uint32_t padding; 587 }; 588 589 struct fuse_init_in { 590 uint32_t major; 591 uint32_t minor; 592 uint32_t max_readahead; 593 uint32_t flags; 594 }; 595 596 #define FUSE_COMPAT_INIT_OUT_SIZE 8 597 #define FUSE_COMPAT_22_INIT_OUT_SIZE 24 598 599 struct fuse_init_out { 600 uint32_t major; 601 uint32_t minor; 602 uint32_t max_readahead; 603 uint32_t flags; 604 uint16_t max_background; 605 uint16_t congestion_threshold; 606 uint32_t max_write; 607 uint32_t time_gran; 608 uint32_t unused[9]; 609 }; 610 611 #define CUSE_INIT_INFO_MAX 4096 612 613 struct cuse_init_in { 614 uint32_t major; 615 uint32_t minor; 616 uint32_t unused; 617 uint32_t flags; 618 }; 619 620 struct cuse_init_out { 621 uint32_t major; 622 uint32_t minor; 623 uint32_t unused; 624 uint32_t flags; 625 uint32_t max_read; 626 uint32_t max_write; 627 uint32_t dev_major; /* chardev major */ 628 uint32_t dev_minor; /* chardev minor */ 629 uint32_t spare[10]; 630 }; 631 632 struct fuse_interrupt_in { 633 uint64_t unique; 634 }; 635 636 struct fuse_bmap_in { 637 uint64_t block; 638 uint32_t blocksize; 639 uint32_t padding; 640 }; 641 642 struct fuse_bmap_out { 643 uint64_t block; 644 }; 645 646 struct fuse_ioctl_in { 647 uint64_t fh; 648 uint32_t flags; 649 uint32_t cmd; 650 uint64_t arg; 651 uint32_t in_size; 652 uint32_t out_size; 653 }; 654 655 struct fuse_ioctl_iovec { 656 uint64_t base; 657 uint64_t len; 658 }; 659 660 struct fuse_ioctl_out { 661 int32_t result; 662 uint32_t flags; 663 uint32_t in_iovs; 664 uint32_t out_iovs; 665 }; 666 667 struct fuse_poll_in { 668 uint64_t fh; 669 uint64_t kh; 670 uint32_t flags; 671 uint32_t events; 672 }; 673 674 struct fuse_poll_out { 675 uint32_t revents; 676 uint32_t padding; 677 }; 678 679 struct fuse_notify_poll_wakeup_out { 680 uint64_t kh; 681 }; 682 683 struct fuse_fallocate_in { 684 uint64_t fh; 685 uint64_t offset; 686 uint64_t length; 687 uint32_t mode; 688 uint32_t padding; 689 }; 690 691 struct fuse_in_header { 692 uint32_t len; 693 uint32_t opcode; 694 uint64_t unique; 695 uint64_t nodeid; 696 uint32_t uid; 697 uint32_t gid; 698 uint32_t pid; 699 uint32_t padding; 700 }; 701 702 struct fuse_out_header { 703 uint32_t len; 704 int32_t error; 705 uint64_t unique; 706 }; 707 708 struct fuse_dirent { 709 uint64_t ino; 710 uint64_t off; 711 uint32_t namelen; 712 uint32_t type; 713 char name[]; 714 }; 715 716 #define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name) 717 #define FUSE_DIRENT_ALIGN(x) \ 718 (((x) + sizeof(uint64_t) - 1) & ~(sizeof(uint64_t) - 1)) 719 #define FUSE_DIRENT_SIZE(d) \ 720 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) 721 722 struct fuse_direntplus { 723 struct fuse_entry_out entry_out; 724 struct fuse_dirent dirent; 725 }; 726 727 #define FUSE_NAME_OFFSET_DIRENTPLUS \ 728 offsetof(struct fuse_direntplus, dirent.name) 729 #define FUSE_DIRENTPLUS_SIZE(d) \ 730 FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET_DIRENTPLUS + (d)->dirent.namelen) 731 732 struct fuse_notify_inval_inode_out { 733 uint64_t ino; 734 int64_t off; 735 int64_t len; 736 }; 737 738 struct fuse_notify_inval_entry_out { 739 uint64_t parent; 740 uint32_t namelen; 741 uint32_t padding; 742 }; 743 744 struct fuse_notify_delete_out { 745 uint64_t parent; 746 uint64_t child; 747 uint32_t namelen; 748 uint32_t padding; 749 }; 750 751 struct fuse_notify_store_out { 752 uint64_t nodeid; 753 uint64_t offset; 754 uint32_t size; 755 uint32_t padding; 756 }; 757 758 struct fuse_notify_retrieve_out { 759 uint64_t notify_unique; 760 uint64_t nodeid; 761 uint64_t offset; 762 uint32_t size; 763 uint32_t padding; 764 }; 765 766 /* Matches the size of fuse_write_in */ 767 struct fuse_notify_retrieve_in { 768 uint64_t dummy1; 769 uint64_t offset; 770 uint32_t size; 771 uint32_t dummy2; 772 uint64_t dummy3; 773 uint64_t dummy4; 774 }; 775 776 /* Device ioctls: */ 777 #define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t) 778 779 struct fuse_lseek_in { 780 uint64_t fh; 781 uint64_t offset; 782 uint32_t whence; 783 uint32_t padding; 784 }; 785 786 struct fuse_lseek_out { 787 uint64_t offset; 788 }; 789 790 #endif /* _LINUX_FUSE_H */ 791
