1 /* 2 * Copyright (c) 1995-2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public License 7 * as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 #ifndef __XFS_FS_H__ 19 #define __XFS_FS_H__ 20 21 /* 22 * SGI's XFS filesystem's major stuff (constants, structures) 23 */ 24 25 /* 26 * Direct I/O attribute record used with XFS_IOC_DIOINFO 27 * d_miniosz is the min xfer size, xfer size multiple and file seek offset 28 * alignment. 29 */ 30 #ifndef HAVE_DIOATTR 31 struct dioattr { 32 __u32 d_mem; /* data buffer memory alignment */ 33 __u32 d_miniosz; /* min xfer size */ 34 __u32 d_maxiosz; /* max xfer size */ 35 }; 36 #endif 37 38 /* 39 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR. 40 */ 41 #ifndef HAVE_FSXATTR 42 struct fsxattr { 43 __u32 fsx_xflags; /* xflags field value (get/set) */ 44 __u32 fsx_extsize; /* extsize field value (get/set)*/ 45 __u32 fsx_nextents; /* nextents field value (get) */ 46 __u32 fsx_projid; /* project identifier (get/set) */ 47 unsigned char fsx_pad[12]; 48 }; 49 #endif 50 51 /* 52 * Flags for the bs_xflags/fsx_xflags field 53 * There should be a one-to-one correspondence between these flags and the 54 * XFS_DIFLAG_s. 55 */ 56 #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */ 57 #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */ 58 #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */ 59 #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */ 60 #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */ 61 #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */ 62 #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */ 63 #define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */ 64 #define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */ 65 #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */ 66 #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ 67 #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ 68 #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ 69 #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ 70 #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ 71 72 /* 73 * Structure for XFS_IOC_GETBMAP. 74 * On input, fill in bmv_offset and bmv_length of the first structure 75 * to indicate the area of interest in the file, and bmv_entries with 76 * the number of array elements given back. The first structure is 77 * updated on return to give the offset and length for the next call. 78 */ 79 #ifndef HAVE_GETBMAP 80 struct getbmap { 81 __s64 bmv_offset; /* file offset of segment in blocks */ 82 __s64 bmv_block; /* starting block (64-bit daddr_t) */ 83 __s64 bmv_length; /* length of segment, blocks */ 84 __s32 bmv_count; /* # of entries in array incl. 1st */ 85 __s32 bmv_entries; /* # of entries filled in (output) */ 86 }; 87 #endif 88 89 /* 90 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries 91 * are used exactly as in the getbmap structure. The getbmapx structure 92 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field 93 * is only used for the first structure. It contains input flags 94 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled 95 * in by the XFS_IOC_GETBMAPX command for each returned structure after 96 * the first. 97 */ 98 #ifndef HAVE_GETBMAPX 99 struct getbmapx { 100 __s64 bmv_offset; /* file offset of segment in blocks */ 101 __s64 bmv_block; /* starting block (64-bit daddr_t) */ 102 __s64 bmv_length; /* length of segment, blocks */ 103 __s32 bmv_count; /* # of entries in array incl. 1st */ 104 __s32 bmv_entries; /* # of entries filled in (output). */ 105 __s32 bmv_iflags; /* input flags (1st structure) */ 106 __s32 bmv_oflags; /* output flags (after 1st structure)*/ 107 __s32 bmv_unused1; /* future use */ 108 __s32 bmv_unused2; /* future use */ 109 }; 110 #endif 111 112 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ 113 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ 114 #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ 115 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ 116 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ 117 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ 118 #define BMV_IF_VALID \ 119 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ 120 BMV_IF_DELALLOC|BMV_IF_NO_HOLES) 121 122 /* bmv_oflags values - returned for each non-header segment */ 123 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ 124 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ 125 #define BMV_OF_LAST 0x4 /* segment is the last in the file */ 126 127 /* 128 * Structure for XFS_IOC_FSSETDM. 129 * For use by backup and restore programs to set the XFS on-disk inode 130 * fields di_dmevmask and di_dmstate. These must be set to exactly and 131 * only values previously obtained via xfs_bulkstat! (Specifically the 132 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) 133 */ 134 #ifndef HAVE_FSDMIDATA 135 struct fsdmidata { 136 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ 137 __u16 fsd_padding; 138 __u16 fsd_dmstate; /* corresponds to di_dmstate */ 139 }; 140 #endif 141 142 /* 143 * File segment locking set data type for 64 bit access. 144 * Also used for all the RESV/FREE interfaces. 145 */ 146 typedef struct xfs_flock64 { 147 __s16 l_type; 148 __s16 l_whence; 149 __s64 l_start; 150 __s64 l_len; /* len == 0 means until end of file */ 151 __s32 l_sysid; 152 __u32 l_pid; 153 __s32 l_pad[4]; /* reserve area */ 154 } xfs_flock64_t; 155 156 /* 157 * Output for XFS_IOC_FSGEOMETRY_V1 158 */ 159 typedef struct xfs_fsop_geom_v1 { 160 __u32 blocksize; /* filesystem (data) block size */ 161 __u32 rtextsize; /* realtime extent size */ 162 __u32 agblocks; /* fsblocks in an AG */ 163 __u32 agcount; /* number of allocation groups */ 164 __u32 logblocks; /* fsblocks in the log */ 165 __u32 sectsize; /* (data) sector size, bytes */ 166 __u32 inodesize; /* inode size in bytes */ 167 __u32 imaxpct; /* max allowed inode space(%) */ 168 __u64 datablocks; /* fsblocks in data subvolume */ 169 __u64 rtblocks; /* fsblocks in realtime subvol */ 170 __u64 rtextents; /* rt extents in realtime subvol*/ 171 __u64 logstart; /* starting fsblock of the log */ 172 unsigned char uuid[16]; /* unique id of the filesystem */ 173 __u32 sunit; /* stripe unit, fsblocks */ 174 __u32 swidth; /* stripe width, fsblocks */ 175 __s32 version; /* structure version */ 176 __u32 flags; /* superblock version flags */ 177 __u32 logsectsize; /* log sector size, bytes */ 178 __u32 rtsectsize; /* realtime sector size, bytes */ 179 __u32 dirblocksize; /* directory block size, bytes */ 180 } xfs_fsop_geom_v1_t; 181 182 /* 183 * Output for XFS_IOC_FSGEOMETRY 184 */ 185 typedef struct xfs_fsop_geom { 186 __u32 blocksize; /* filesystem (data) block size */ 187 __u32 rtextsize; /* realtime extent size */ 188 __u32 agblocks; /* fsblocks in an AG */ 189 __u32 agcount; /* number of allocation groups */ 190 __u32 logblocks; /* fsblocks in the log */ 191 __u32 sectsize; /* (data) sector size, bytes */ 192 __u32 inodesize; /* inode size in bytes */ 193 __u32 imaxpct; /* max allowed inode space(%) */ 194 __u64 datablocks; /* fsblocks in data subvolume */ 195 __u64 rtblocks; /* fsblocks in realtime subvol */ 196 __u64 rtextents; /* rt extents in realtime subvol*/ 197 __u64 logstart; /* starting fsblock of the log */ 198 unsigned char uuid[16]; /* unique id of the filesystem */ 199 __u32 sunit; /* stripe unit, fsblocks */ 200 __u32 swidth; /* stripe width, fsblocks */ 201 __s32 version; /* structure version */ 202 __u32 flags; /* superblock version flags */ 203 __u32 logsectsize; /* log sector size, bytes */ 204 __u32 rtsectsize; /* realtime sector size, bytes */ 205 __u32 dirblocksize; /* directory block size, bytes */ 206 __u32 logsunit; /* log stripe unit, bytes */ 207 } xfs_fsop_geom_t; 208 209 /* Output for XFS_FS_COUNTS */ 210 typedef struct xfs_fsop_counts { 211 __u64 freedata; /* free data section blocks */ 212 __u64 freertx; /* free rt extents */ 213 __u64 freeino; /* free inodes */ 214 __u64 allocino; /* total allocated inodes */ 215 } xfs_fsop_counts_t; 216 217 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 218 typedef struct xfs_fsop_resblks { 219 __u64 resblks; 220 __u64 resblks_avail; 221 } xfs_fsop_resblks_t; 222 223 #define XFS_FSOP_GEOM_VERSION 0 224 225 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ 226 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ 227 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ 228 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ 229 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ 230 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ 231 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ 232 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ 233 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ 234 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ 235 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ 236 #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ 237 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ 238 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ 239 #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ 240 #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ 241 #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ 242 #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ 243 244 /* 245 * Minimum and maximum sizes need for growth checks. 246 * 247 * Block counts are in units of filesystem blocks, not basic blocks. 248 */ 249 #define XFS_MIN_AG_BLOCKS 64 250 #define XFS_MIN_LOG_BLOCKS 512ULL 251 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) 252 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) 253 254 /* keep the maximum size under 2^31 by a small amount */ 255 #define XFS_MAX_LOG_BYTES \ 256 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 257 258 /* Used for sanity checks on superblock */ 259 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) 260 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ 261 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 262 263 /* 264 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 265 */ 266 typedef struct xfs_growfs_data { 267 __u64 newblocks; /* new data subvol size, fsblocks */ 268 __u32 imaxpct; /* new inode space percentage limit */ 269 } xfs_growfs_data_t; 270 271 typedef struct xfs_growfs_log { 272 __u32 newblocks; /* new log size, fsblocks */ 273 __u32 isint; /* 1 if new log is internal */ 274 } xfs_growfs_log_t; 275 276 typedef struct xfs_growfs_rt { 277 __u64 newblocks; /* new realtime size, fsblocks */ 278 __u32 extsize; /* new realtime extent size, fsblocks */ 279 } xfs_growfs_rt_t; 280 281 282 /* 283 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 284 */ 285 typedef struct xfs_bstime { 286 time_t tv_sec; /* seconds */ 287 __s32 tv_nsec; /* and nanoseconds */ 288 } xfs_bstime_t; 289 290 typedef struct xfs_bstat { 291 __u64 bs_ino; /* inode number */ 292 __u16 bs_mode; /* type and mode */ 293 __u16 bs_nlink; /* number of links */ 294 __u32 bs_uid; /* user id */ 295 __u32 bs_gid; /* group id */ 296 __u32 bs_rdev; /* device value */ 297 __s32 bs_blksize; /* block size */ 298 __s64 bs_size; /* file size */ 299 xfs_bstime_t bs_atime; /* access time */ 300 xfs_bstime_t bs_mtime; /* modify time */ 301 xfs_bstime_t bs_ctime; /* inode change time */ 302 int64_t bs_blocks; /* number of blocks */ 303 __u32 bs_xflags; /* extended flags */ 304 __s32 bs_extsize; /* extent size */ 305 __s32 bs_extents; /* number of extents */ 306 __u32 bs_gen; /* generation count */ 307 __u16 bs_projid_lo; /* lower part of project id */ 308 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 309 __u16 bs_forkoff; /* inode fork offset in bytes */ 310 __u16 bs_projid_hi; /* higher part of project id */ 311 unsigned char bs_pad[10]; /* pad space, unused */ 312 __u32 bs_dmevmask; /* DMIG event mask */ 313 __u16 bs_dmstate; /* DMIG state info */ 314 __u16 bs_aextents; /* attribute number of extents */ 315 } xfs_bstat_t; 316 317 /* 318 * Project quota id helpers (previously projid was 16bit only 319 * and using two 16bit values to hold new 32bit projid was choosen 320 * to retain compatibility with "old" filesystems). 321 */ 322 static inline __uint32_t 323 bstat_get_projid(struct xfs_bstat *bs) 324 { 325 return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; 326 } 327 328 /* 329 * The user-level BulkStat Request interface structure. 330 */ 331 typedef struct xfs_fsop_bulkreq { 332 __u64 __user *lastip; /* last inode # pointer */ 333 __s32 icount; /* count of entries in buffer */ 334 void __user *ubuffer;/* user buffer for inode desc. */ 335 __s32 __user *ocount; /* output count pointer */ 336 } xfs_fsop_bulkreq_t; 337 338 339 /* 340 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 341 */ 342 typedef struct xfs_inogrp { 343 __u64 xi_startino; /* starting inode number */ 344 __s32 xi_alloccount; /* # bits set in allocmask */ 345 __u64 xi_allocmask; /* mask of allocated inodes */ 346 } xfs_inogrp_t; 347 348 349 /* 350 * Error injection. 351 */ 352 typedef struct xfs_error_injection { 353 __s32 fd; 354 __s32 errtag; 355 } xfs_error_injection_t; 356 357 358 /* 359 * Speculative preallocation trimming. 360 */ 361 #define XFS_EOFBLOCKS_VERSION 1 362 struct xfs_fs_eofblocks { 363 __u32 eof_version; 364 __u32 eof_flags; 365 uid_t eof_uid; 366 gid_t eof_gid; 367 prid_t eof_prid; 368 __u32 pad32; 369 __u64 eof_min_file_size; 370 __u64 pad64[12]; 371 }; 372 373 /* eof_flags values */ 374 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ 375 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ 376 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ 377 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ 378 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ 379 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; 380 * kernel only, not included in 381 * valid mask */ 382 #define XFS_EOF_FLAGS_VALID \ 383 (XFS_EOF_FLAGS_SYNC | \ 384 XFS_EOF_FLAGS_UID | \ 385 XFS_EOF_FLAGS_GID | \ 386 XFS_EOF_FLAGS_PRID | \ 387 XFS_EOF_FLAGS_MINFILESIZE) 388 389 390 /* 391 * The user-level Handle Request interface structure. 392 */ 393 typedef struct xfs_fsop_handlereq { 394 __u32 fd; /* fd for FD_TO_HANDLE */ 395 void __user *path; /* user pathname */ 396 __u32 oflags; /* open flags */ 397 void __user *ihandle;/* user supplied handle */ 398 __u32 ihandlen; /* user supplied length */ 399 void __user *ohandle;/* user buffer for handle */ 400 __u32 __user *ohandlen;/* user buffer length */ 401 } xfs_fsop_handlereq_t; 402 403 /* 404 * Compound structures for passing args through Handle Request interfaces 405 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 406 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 407 * XFS_IOC_ATTRMULTI_BY_HANDLE 408 */ 409 410 typedef struct xfs_fsop_setdm_handlereq { 411 struct xfs_fsop_handlereq hreq; /* handle information */ 412 struct fsdmidata __user *data; /* DMAPI data */ 413 } xfs_fsop_setdm_handlereq_t; 414 415 typedef struct xfs_attrlist_cursor { 416 __u32 opaque[4]; 417 } xfs_attrlist_cursor_t; 418 419 typedef struct xfs_fsop_attrlist_handlereq { 420 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 421 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 422 __u32 flags; /* which namespace to use */ 423 __u32 buflen; /* length of buffer supplied */ 424 void __user *buffer; /* returned names */ 425 } xfs_fsop_attrlist_handlereq_t; 426 427 typedef struct xfs_attr_multiop { 428 __u32 am_opcode; 429 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 430 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 431 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 432 __s32 am_error; 433 void __user *am_attrname; 434 void __user *am_attrvalue; 435 __u32 am_length; 436 __u32 am_flags; 437 } xfs_attr_multiop_t; 438 439 typedef struct xfs_fsop_attrmulti_handlereq { 440 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 441 __u32 opcount;/* count of following multiop */ 442 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 443 } xfs_fsop_attrmulti_handlereq_t; 444 445 /* 446 * per machine unique filesystem identifier types. 447 */ 448 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 449 450 typedef struct xfs_fid { 451 __u16 fid_len; /* length of remainder */ 452 __u16 fid_pad; 453 __u32 fid_gen; /* generation number */ 454 __u64 fid_ino; /* 64 bits inode number */ 455 } xfs_fid_t; 456 457 typedef struct xfs_handle { 458 union { 459 __s64 align; /* force alignment of ha_fid */ 460 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 461 } ha_u; 462 xfs_fid_t ha_fid; /* file system specific file ID */ 463 } xfs_handle_t; 464 #define ha_fsid ha_u._ha_fsid 465 466 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \ 467 - (char *) &(handle)) \ 468 + (handle).ha_fid.fid_len) 469 470 /* 471 * Structure passed to XFS_IOC_SWAPEXT 472 */ 473 typedef struct xfs_swapext 474 { 475 __int64_t sx_version; /* version */ 476 #define XFS_SX_VERSION 0 477 __int64_t sx_fdtarget; /* fd of target file */ 478 __int64_t sx_fdtmp; /* fd of tmp file */ 479 xfs_off_t sx_offset; /* offset into file */ 480 xfs_off_t sx_length; /* leng from offset */ 481 char sx_pad[16]; /* pad space, unused */ 482 xfs_bstat_t sx_stat; /* stat of target b4 copy */ 483 } xfs_swapext_t; 484 485 /* 486 * Flags for going down operation 487 */ 488 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 489 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 490 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 491 492 /* 493 * ioctl limits 494 */ 495 #ifdef XATTR_LIST_MAX 496 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX 497 #else 498 # define XFS_XATTR_LIST_MAX 65536 499 #endif 500 501 502 /* 503 * ioctl commands that are used by Linux filesystems 504 */ 505 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 506 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 507 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 508 509 /* 510 * ioctl commands that replace IRIX fcntl()'s 511 * For 'documentation' purposed more than anything else, 512 * the "cmd #" field reflects the IRIX fcntl number. 513 */ 514 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 515 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 516 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 517 #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) 518 #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) 519 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 520 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 521 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 522 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 523 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 524 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 525 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 526 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 527 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 528 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 529 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 530 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 531 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 532 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 533 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) 534 535 /* 536 * ioctl commands that replace IRIX syssgi()'s 537 */ 538 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 539 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 540 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 541 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 542 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 543 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 544 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 545 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 546 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 547 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 548 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 549 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 550 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 551 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 552 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 553 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 554 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 555 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 556 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 557 558 /* XFS_IOC_FREEZE -- FIFREEZE 119 */ 559 /* XFS_IOC_THAW -- FITHAW 120 */ 560 #ifndef FIFREEZE 561 #define XFS_IOC_FREEZE _IOWR('X', 119, int) 562 #define XFS_IOC_THAW _IOWR('X', 120, int) 563 #endif 564 565 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 566 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 567 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 568 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 569 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) 570 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 571 572 573 #ifndef HAVE_BBMACROS 574 /* 575 * Block I/O parameterization. A basic block (BB) is the lowest size of 576 * filesystem allocation, and must equal 512. Length units given to bio 577 * routines are in BB's. 578 */ 579 #define BBSHIFT 9 580 #define BBSIZE (1<<BBSHIFT) 581 #define BBMASK (BBSIZE-1) 582 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 583 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 584 #define BBTOB(bbs) ((bbs) << BBSHIFT) 585 #endif 586 587 #endif /* __XFS_FS_H__ */ 588