diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_fs.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_fs.h | 576 |
1 files changed, 576 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h new file mode 100644 index 000000000000..18dc721ca19f --- /dev/null +++ b/fs/xfs/libxfs/xfs_fs.h | |||
| @@ -0,0 +1,576 @@ | |||
| 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 | |||
| 243 | /* | ||
| 244 | * Minimum and maximum sizes need for growth checks. | ||
| 245 | * | ||
| 246 | * Block counts are in units of filesystem blocks, not basic blocks. | ||
| 247 | */ | ||
| 248 | #define XFS_MIN_AG_BLOCKS 64 | ||
| 249 | #define XFS_MIN_LOG_BLOCKS 512ULL | ||
| 250 | #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) | ||
| 251 | #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) | ||
| 252 | |||
| 253 | /* keep the maximum size under 2^31 by a small amount */ | ||
| 254 | #define XFS_MAX_LOG_BYTES \ | ||
| 255 | ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) | ||
| 256 | |||
| 257 | /* Used for sanity checks on superblock */ | ||
| 258 | #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) | ||
| 259 | #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ | ||
| 260 | (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) | ||
| 261 | |||
| 262 | /* | ||
| 263 | * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT | ||
| 264 | */ | ||
| 265 | typedef struct xfs_growfs_data { | ||
| 266 | __u64 newblocks; /* new data subvol size, fsblocks */ | ||
| 267 | __u32 imaxpct; /* new inode space percentage limit */ | ||
| 268 | } xfs_growfs_data_t; | ||
| 269 | |||
| 270 | typedef struct xfs_growfs_log { | ||
| 271 | __u32 newblocks; /* new log size, fsblocks */ | ||
| 272 | __u32 isint; /* 1 if new log is internal */ | ||
| 273 | } xfs_growfs_log_t; | ||
| 274 | |||
| 275 | typedef struct xfs_growfs_rt { | ||
| 276 | __u64 newblocks; /* new realtime size, fsblocks */ | ||
| 277 | __u32 extsize; /* new realtime extent size, fsblocks */ | ||
| 278 | } xfs_growfs_rt_t; | ||
| 279 | |||
| 280 | |||
| 281 | /* | ||
| 282 | * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE | ||
| 283 | */ | ||
| 284 | typedef struct xfs_bstime { | ||
| 285 | time_t tv_sec; /* seconds */ | ||
| 286 | __s32 tv_nsec; /* and nanoseconds */ | ||
| 287 | } xfs_bstime_t; | ||
| 288 | |||
| 289 | typedef struct xfs_bstat { | ||
| 290 | __u64 bs_ino; /* inode number */ | ||
| 291 | __u16 bs_mode; /* type and mode */ | ||
| 292 | __u16 bs_nlink; /* number of links */ | ||
| 293 | __u32 bs_uid; /* user id */ | ||
| 294 | __u32 bs_gid; /* group id */ | ||
| 295 | __u32 bs_rdev; /* device value */ | ||
| 296 | __s32 bs_blksize; /* block size */ | ||
| 297 | __s64 bs_size; /* file size */ | ||
| 298 | xfs_bstime_t bs_atime; /* access time */ | ||
| 299 | xfs_bstime_t bs_mtime; /* modify time */ | ||
| 300 | xfs_bstime_t bs_ctime; /* inode change time */ | ||
| 301 | int64_t bs_blocks; /* number of blocks */ | ||
| 302 | __u32 bs_xflags; /* extended flags */ | ||
| 303 | __s32 bs_extsize; /* extent size */ | ||
| 304 | __s32 bs_extents; /* number of extents */ | ||
| 305 | __u32 bs_gen; /* generation count */ | ||
| 306 | __u16 bs_projid_lo; /* lower part of project id */ | ||
| 307 | #define bs_projid bs_projid_lo /* (previously just bs_projid) */ | ||
| 308 | __u16 bs_forkoff; /* inode fork offset in bytes */ | ||
| 309 | __u16 bs_projid_hi; /* higher part of project id */ | ||
| 310 | unsigned char bs_pad[10]; /* pad space, unused */ | ||
| 311 | __u32 bs_dmevmask; /* DMIG event mask */ | ||
| 312 | __u16 bs_dmstate; /* DMIG state info */ | ||
| 313 | __u16 bs_aextents; /* attribute number of extents */ | ||
| 314 | } xfs_bstat_t; | ||
| 315 | |||
| 316 | /* | ||
| 317 | * Project quota id helpers (previously projid was 16bit only | ||
| 318 | * and using two 16bit values to hold new 32bit projid was choosen | ||
| 319 | * to retain compatibility with "old" filesystems). | ||
| 320 | */ | ||
| 321 | static inline __uint32_t | ||
| 322 | bstat_get_projid(struct xfs_bstat *bs) | ||
| 323 | { | ||
| 324 | return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; | ||
| 325 | } | ||
| 326 | |||
| 327 | /* | ||
| 328 | * The user-level BulkStat Request interface structure. | ||
| 329 | */ | ||
| 330 | typedef struct xfs_fsop_bulkreq { | ||
| 331 | __u64 __user *lastip; /* last inode # pointer */ | ||
| 332 | __s32 icount; /* count of entries in buffer */ | ||
| 333 | void __user *ubuffer;/* user buffer for inode desc. */ | ||
| 334 | __s32 __user *ocount; /* output count pointer */ | ||
| 335 | } xfs_fsop_bulkreq_t; | ||
| 336 | |||
| 337 | |||
| 338 | /* | ||
| 339 | * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). | ||
| 340 | */ | ||
| 341 | typedef struct xfs_inogrp { | ||
| 342 | __u64 xi_startino; /* starting inode number */ | ||
| 343 | __s32 xi_alloccount; /* # bits set in allocmask */ | ||
| 344 | __u64 xi_allocmask; /* mask of allocated inodes */ | ||
| 345 | } xfs_inogrp_t; | ||
| 346 | |||
| 347 | |||
| 348 | /* | ||
| 349 | * Error injection. | ||
| 350 | */ | ||
| 351 | typedef struct xfs_error_injection { | ||
| 352 | __s32 fd; | ||
| 353 | __s32 errtag; | ||
| 354 | } xfs_error_injection_t; | ||
| 355 | |||
| 356 | |||
| 357 | /* | ||
| 358 | * Speculative preallocation trimming. | ||
| 359 | */ | ||
| 360 | #define XFS_EOFBLOCKS_VERSION 1 | ||
| 361 | struct xfs_fs_eofblocks { | ||
| 362 | __u32 eof_version; | ||
| 363 | __u32 eof_flags; | ||
| 364 | uid_t eof_uid; | ||
| 365 | gid_t eof_gid; | ||
| 366 | prid_t eof_prid; | ||
| 367 | __u32 pad32; | ||
| 368 | __u64 eof_min_file_size; | ||
| 369 | __u64 pad64[12]; | ||
| 370 | }; | ||
| 371 | |||
| 372 | /* eof_flags values */ | ||
| 373 | #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ | ||
| 374 | #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ | ||
| 375 | #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ | ||
| 376 | #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ | ||
| 377 | #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ | ||
| 378 | #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; | ||
| 379 | * kernel only, not included in | ||
| 380 | * valid mask */ | ||
| 381 | #define XFS_EOF_FLAGS_VALID \ | ||
| 382 | (XFS_EOF_FLAGS_SYNC | \ | ||
| 383 | XFS_EOF_FLAGS_UID | \ | ||
| 384 | XFS_EOF_FLAGS_GID | \ | ||
| 385 | XFS_EOF_FLAGS_PRID | \ | ||
| 386 | XFS_EOF_FLAGS_MINFILESIZE) | ||
| 387 | |||
| 388 | |||
| 389 | /* | ||
| 390 | * The user-level Handle Request interface structure. | ||
| 391 | */ | ||
| 392 | typedef struct xfs_fsop_handlereq { | ||
| 393 | __u32 fd; /* fd for FD_TO_HANDLE */ | ||
| 394 | void __user *path; /* user pathname */ | ||
| 395 | __u32 oflags; /* open flags */ | ||
| 396 | void __user *ihandle;/* user supplied handle */ | ||
| 397 | __u32 ihandlen; /* user supplied length */ | ||
| 398 | void __user *ohandle;/* user buffer for handle */ | ||
| 399 | __u32 __user *ohandlen;/* user buffer length */ | ||
| 400 | } xfs_fsop_handlereq_t; | ||
| 401 | |||
| 402 | /* | ||
| 403 | * Compound structures for passing args through Handle Request interfaces | ||
| 404 | * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle | ||
| 405 | * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and | ||
| 406 | * XFS_IOC_ATTRMULTI_BY_HANDLE | ||
| 407 | */ | ||
| 408 | |||
| 409 | typedef struct xfs_fsop_setdm_handlereq { | ||
| 410 | struct xfs_fsop_handlereq hreq; /* handle information */ | ||
| 411 | struct fsdmidata __user *data; /* DMAPI data */ | ||
| 412 | } xfs_fsop_setdm_handlereq_t; | ||
| 413 | |||
| 414 | typedef struct xfs_attrlist_cursor { | ||
| 415 | __u32 opaque[4]; | ||
| 416 | } xfs_attrlist_cursor_t; | ||
| 417 | |||
| 418 | typedef struct xfs_fsop_attrlist_handlereq { | ||
| 419 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | ||
| 420 | struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ | ||
| 421 | __u32 flags; /* which namespace to use */ | ||
| 422 | __u32 buflen; /* length of buffer supplied */ | ||
| 423 | void __user *buffer; /* returned names */ | ||
| 424 | } xfs_fsop_attrlist_handlereq_t; | ||
| 425 | |||
| 426 | typedef struct xfs_attr_multiop { | ||
| 427 | __u32 am_opcode; | ||
| 428 | #define ATTR_OP_GET 1 /* return the indicated attr's value */ | ||
| 429 | #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ | ||
| 430 | #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ | ||
| 431 | __s32 am_error; | ||
| 432 | void __user *am_attrname; | ||
| 433 | void __user *am_attrvalue; | ||
| 434 | __u32 am_length; | ||
| 435 | __u32 am_flags; | ||
| 436 | } xfs_attr_multiop_t; | ||
| 437 | |||
| 438 | typedef struct xfs_fsop_attrmulti_handlereq { | ||
| 439 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | ||
| 440 | __u32 opcount;/* count of following multiop */ | ||
| 441 | struct xfs_attr_multiop __user *ops; /* attr_multi data */ | ||
| 442 | } xfs_fsop_attrmulti_handlereq_t; | ||
| 443 | |||
| 444 | /* | ||
| 445 | * per machine unique filesystem identifier types. | ||
| 446 | */ | ||
| 447 | typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ | ||
| 448 | |||
| 449 | typedef struct xfs_fid { | ||
| 450 | __u16 fid_len; /* length of remainder */ | ||
| 451 | __u16 fid_pad; | ||
| 452 | __u32 fid_gen; /* generation number */ | ||
| 453 | __u64 fid_ino; /* 64 bits inode number */ | ||
| 454 | } xfs_fid_t; | ||
| 455 | |||
| 456 | typedef struct xfs_handle { | ||
| 457 | union { | ||
| 458 | __s64 align; /* force alignment of ha_fid */ | ||
| 459 | xfs_fsid_t _ha_fsid; /* unique file system identifier */ | ||
| 460 | } ha_u; | ||
| 461 | xfs_fid_t ha_fid; /* file system specific file ID */ | ||
| 462 | } xfs_handle_t; | ||
| 463 | #define ha_fsid ha_u._ha_fsid | ||
| 464 | |||
| 465 | #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \ | ||
| 466 | - (char *) &(handle)) \ | ||
| 467 | + (handle).ha_fid.fid_len) | ||
| 468 | |||
| 469 | /* | ||
| 470 | * Structure passed to XFS_IOC_SWAPEXT | ||
| 471 | */ | ||
| 472 | typedef struct xfs_swapext | ||
| 473 | { | ||
| 474 | __int64_t sx_version; /* version */ | ||
| 475 | #define XFS_SX_VERSION 0 | ||
| 476 | __int64_t sx_fdtarget; /* fd of target file */ | ||
| 477 | __int64_t sx_fdtmp; /* fd of tmp file */ | ||
| 478 | xfs_off_t sx_offset; /* offset into file */ | ||
| 479 | xfs_off_t sx_length; /* leng from offset */ | ||
| 480 | char sx_pad[16]; /* pad space, unused */ | ||
| 481 | xfs_bstat_t sx_stat; /* stat of target b4 copy */ | ||
| 482 | } xfs_swapext_t; | ||
| 483 | |||
| 484 | /* | ||
| 485 | * Flags for going down operation | ||
| 486 | */ | ||
| 487 | #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ | ||
| 488 | #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ | ||
| 489 | #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ | ||
| 490 | |||
| 491 | /* | ||
| 492 | * ioctl commands that are used by Linux filesystems | ||
| 493 | */ | ||
| 494 | #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS | ||
| 495 | #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS | ||
| 496 | #define XFS_IOC_GETVERSION FS_IOC_GETVERSION | ||
| 497 | |||
| 498 | /* | ||
| 499 | * ioctl commands that replace IRIX fcntl()'s | ||
| 500 | * For 'documentation' purposed more than anything else, | ||
| 501 | * the "cmd #" field reflects the IRIX fcntl number. | ||
| 502 | */ | ||
| 503 | #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) | ||
| 504 | #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) | ||
| 505 | #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) | ||
| 506 | #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) | ||
| 507 | #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) | ||
| 508 | #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) | ||
| 509 | #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) | ||
| 510 | #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) | ||
| 511 | #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) | ||
| 512 | #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) | ||
| 513 | #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) | ||
| 514 | #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) | ||
| 515 | #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) | ||
| 516 | #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) | ||
| 517 | #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) | ||
| 518 | /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ | ||
| 519 | /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ | ||
| 520 | #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) | ||
| 521 | #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) | ||
| 522 | #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) | ||
| 523 | |||
| 524 | /* | ||
| 525 | * ioctl commands that replace IRIX syssgi()'s | ||
| 526 | */ | ||
| 527 | #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) | ||
| 528 | #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) | ||
| 529 | #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) | ||
| 530 | #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) | ||
| 531 | #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) | ||
| 532 | #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) | ||
| 533 | #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) | ||
| 534 | #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) | ||
| 535 | #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) | ||
| 536 | #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) | ||
| 537 | #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) | ||
| 538 | #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) | ||
| 539 | #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) | ||
| 540 | #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) | ||
| 541 | #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) | ||
| 542 | #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) | ||
| 543 | #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) | ||
| 544 | #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) | ||
| 545 | /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ | ||
| 546 | |||
| 547 | /* XFS_IOC_FREEZE -- FIFREEZE 119 */ | ||
| 548 | /* XFS_IOC_THAW -- FITHAW 120 */ | ||
| 549 | #ifndef FIFREEZE | ||
| 550 | #define XFS_IOC_FREEZE _IOWR('X', 119, int) | ||
| 551 | #define XFS_IOC_THAW _IOWR('X', 120, int) | ||
| 552 | #endif | ||
| 553 | |||
| 554 | #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) | ||
| 555 | #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) | ||
| 556 | #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) | ||
| 557 | #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) | ||
| 558 | #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) | ||
| 559 | /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ | ||
| 560 | |||
| 561 | |||
| 562 | #ifndef HAVE_BBMACROS | ||
| 563 | /* | ||
| 564 | * Block I/O parameterization. A basic block (BB) is the lowest size of | ||
| 565 | * filesystem allocation, and must equal 512. Length units given to bio | ||
| 566 | * routines are in BB's. | ||
| 567 | */ | ||
| 568 | #define BBSHIFT 9 | ||
| 569 | #define BBSIZE (1<<BBSHIFT) | ||
| 570 | #define BBMASK (BBSIZE-1) | ||
| 571 | #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) | ||
| 572 | #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) | ||
| 573 | #define BBTOB(bbs) ((bbs) << BBSHIFT) | ||
| 574 | #endif | ||
| 575 | |||
| 576 | #endif /* __XFS_FS_H__ */ | ||
