1 /* SPDX-License-Identifier: LGPL-2.1 */
2 /*
3 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6 #ifndef __XFS_FS_H__
7 #define __XFS_FS_H__
8
9 /*
10 * SGI's XFS filesystem's major stuff (constants, structures)
11 */
12
13 /*
14 * Direct I/O attribute record used with XFS_IOC_DIOINFO
15 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
16 * alignment.
17 */
18 #ifndef HAVE_DIOATTR
19 struct dioattr {
20 __u32 d_mem; /* data buffer memory alignment */
21 __u32 d_miniosz; /* min xfer size */
22 __u32 d_maxiosz; /* max xfer size */
23 };
24 #endif
25
26 /*
27 * Structure for XFS_IOC_GETBMAP.
28 * On input, fill in bmv_offset and bmv_length of the first structure
29 * to indicate the area of interest in the file, and bmv_entries with
30 * the number of array elements given back. The first structure is
31 * updated on return to give the offset and length for the next call.
32 */
33 #ifndef HAVE_GETBMAP
34 struct getbmap {
35 __s64 bmv_offset; /* file offset of segment in blocks */
36 __s64 bmv_block; /* starting block (64-bit daddr_t) */
37 __s64 bmv_length; /* length of segment, blocks */
38 __s32 bmv_count; /* # of entries in array incl. 1st */
39 __s32 bmv_entries; /* # of entries filled in (output) */
40 };
41 #endif
42
43 /*
44 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
45 * are used exactly as in the getbmap structure. The getbmapx structure
46 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
47 * is only used for the first structure. It contains input flags
48 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
49 * in by the XFS_IOC_GETBMAPX command for each returned structure after
50 * the first.
51 */
52 #ifndef HAVE_GETBMAPX
53 struct getbmapx {
54 __s64 bmv_offset; /* file offset of segment in blocks */
55 __s64 bmv_block; /* starting block (64-bit daddr_t) */
56 __s64 bmv_length; /* length of segment, blocks */
57 __s32 bmv_count; /* # of entries in array incl. 1st */
58 __s32 bmv_entries; /* # of entries filled in (output). */
59 __s32 bmv_iflags; /* input flags (1st structure) */
60 __s32 bmv_oflags; /* output flags (after 1st structure)*/
61 __s32 bmv_unused1; /* future use */
62 __s32 bmv_unused2; /* future use */
63 };
64 #endif
65
66 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
67 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
68 #define BMV_IF_NO_DMAPI_READ 0x2 /* Deprecated */
69 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
70 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
71 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
72 #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */
73 #define BMV_IF_VALID \
74 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
75 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK)
76
77 /* bmv_oflags values - returned for each non-header segment */
78 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
79 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
80 #define BMV_OF_LAST 0x4 /* segment is the last in the file */
81 #define BMV_OF_SHARED 0x8 /* segment shared with another file */
82
83 /* fmr_owner special values for FS_IOC_GETFSMAP */
84 #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */
85 #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */
86 #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */
87 #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */
88 #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */
89 #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */
90 #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */
91 #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */
92 #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */
93 #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */
94
95 /*
96 * File segment locking set data type for 64 bit access.
97 * Also used for all the RESV/FREE interfaces.
98 */
99 typedef struct xfs_flock64 {
100 __s16 l_type;
101 __s16 l_whence;
102 __s64 l_start;
103 __s64 l_len; /* len == 0 means until end of file */
104 __s32 l_sysid;
105 __u32 l_pid;
106 __s32 l_pad[4]; /* reserve area */
107 } xfs_flock64_t;
108
109 /*
110 * Output for XFS_IOC_FSGEOMETRY_V1
111 */
112 struct xfs_fsop_geom_v1 {
113 __u32 blocksize; /* filesystem (data) block size */
114 __u32 rtextsize; /* realtime extent size */
115 __u32 agblocks; /* fsblocks in an AG */
116 __u32 agcount; /* number of allocation groups */
117 __u32 logblocks; /* fsblocks in the log */
118 __u32 sectsize; /* (data) sector size, bytes */
119 __u32 inodesize; /* inode size in bytes */
120 __u32 imaxpct; /* max allowed inode space(%) */
121 __u64 datablocks; /* fsblocks in data subvolume */
122 __u64 rtblocks; /* fsblocks in realtime subvol */
123 __u64 rtextents; /* rt extents in realtime subvol*/
124 __u64 logstart; /* starting fsblock of the log */
125 unsigned char uuid[16]; /* unique id of the filesystem */
126 __u32 sunit; /* stripe unit, fsblocks */
127 __u32 swidth; /* stripe width, fsblocks */
128 __s32 version; /* structure version */
129 __u32 flags; /* superblock version flags */
130 __u32 logsectsize; /* log sector size, bytes */
131 __u32 rtsectsize; /* realtime sector size, bytes */
132 __u32 dirblocksize; /* directory block size, bytes */
133 };
134
135 /*
136 * Output for XFS_IOC_FSGEOMETRY_V4
137 */
138 struct xfs_fsop_geom_v4 {
139 __u32 blocksize; /* filesystem (data) block size */
140 __u32 rtextsize; /* realtime extent size */
141 __u32 agblocks; /* fsblocks in an AG */
142 __u32 agcount; /* number of allocation groups */
143 __u32 logblocks; /* fsblocks in the log */
144 __u32 sectsize; /* (data) sector size, bytes */
145 __u32 inodesize; /* inode size in bytes */
146 __u32 imaxpct; /* max allowed inode space(%) */
147 __u64 datablocks; /* fsblocks in data subvolume */
148 __u64 rtblocks; /* fsblocks in realtime subvol */
149 __u64 rtextents; /* rt extents in realtime subvol*/
150 __u64 logstart; /* starting fsblock of the log */
151 unsigned char uuid[16]; /* unique id of the filesystem */
152 __u32 sunit; /* stripe unit, fsblocks */
153 __u32 swidth; /* stripe width, fsblocks */
154 __s32 version; /* structure version */
155 __u32 flags; /* superblock version flags */
156 __u32 logsectsize; /* log sector size, bytes */
157 __u32 rtsectsize; /* realtime sector size, bytes */
158 __u32 dirblocksize; /* directory block size, bytes */
159 __u32 logsunit; /* log stripe unit, bytes */
160 };
161
162 /*
163 * Output for XFS_IOC_FSGEOMETRY
164 */
165 struct xfs_fsop_geom {
166 __u32 blocksize; /* filesystem (data) block size */
167 __u32 rtextsize; /* realtime extent size */
168 __u32 agblocks; /* fsblocks in an AG */
169 __u32 agcount; /* number of allocation groups */
170 __u32 logblocks; /* fsblocks in the log */
171 __u32 sectsize; /* (data) sector size, bytes */
172 __u32 inodesize; /* inode size in bytes */
173 __u32 imaxpct; /* max allowed inode space(%) */
174 __u64 datablocks; /* fsblocks in data subvolume */
175 __u64 rtblocks; /* fsblocks in realtime subvol */
176 __u64 rtextents; /* rt extents in realtime subvol*/
177 __u64 logstart; /* starting fsblock of the log */
178 unsigned char uuid[16]; /* unique id of the filesystem */
179 __u32 sunit; /* stripe unit, fsblocks */
180 __u32 swidth; /* stripe width, fsblocks */
181 __s32 version; /* structure version */
182 __u32 flags; /* superblock version flags */
183 __u32 logsectsize; /* log sector size, bytes */
184 __u32 rtsectsize; /* realtime sector size, bytes */
185 __u32 dirblocksize; /* directory block size, bytes */
186 __u32 logsunit; /* log stripe unit, bytes */
187 uint32_t sick; /* o: unhealthy fs & rt metadata */
188 uint32_t checked; /* o: checked fs & rt metadata */
189 __u64 reserved[17]; /* reserved space */
190 };
191
192 #define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */
193 #define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */
194 #define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */
195 #define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */
196 #define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */
197 #define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */
198 #define XFS_FSOP_GEOM_SICK_QUOTACHECK (1 << 6) /* quota counts */
199 #define XFS_FSOP_GEOM_SICK_NLINKS (1 << 7) /* inode link counts */
200
201 /* Output for XFS_FS_COUNTS */
202 typedef struct xfs_fsop_counts {
203 __u64 freedata; /* free data section blocks */
204 __u64 freertx; /* free rt extents */
205 __u64 freeino; /* free inodes */
206 __u64 allocino; /* total allocated inodes */
207 } xfs_fsop_counts_t;
208
209 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
210 typedef struct xfs_fsop_resblks {
211 __u64 resblks;
212 __u64 resblks_avail;
213 } xfs_fsop_resblks_t;
214
215 #define XFS_FSOP_GEOM_VERSION 0
216 #define XFS_FSOP_GEOM_VERSION_V5 5
217
218 #define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */
219 #define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */
220 #define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */
221 #define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */
222 #define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */
223 #define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */
224 #define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */
225 #define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */
226 #define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */
227 #define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */
228 #define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */
229 #define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */
230 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */
231 /* -- Do not use -- (1 << 13) SGI parent pointers */
232 #define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */
233 #define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */
234 #define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */
235 #define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */
236 #define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */
237 #define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */
238 #define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */
239 #define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */
240 #define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */
241 #define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */
242 #define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */
243 #define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */
244
245 /*
246 * Minimum and maximum sizes need for growth checks.
247 *
248 * Block counts are in units of filesystem blocks, not basic blocks.
249 */
250 #define XFS_MIN_AG_BLOCKS 64
251 #define XFS_MIN_LOG_BLOCKS 512ULL
252 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
253 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
254
255 /*
256 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than
257 * 16MB or larger than 1TB.
258 */
259 #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */
260 #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */
261 #define XFS_MAX_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_BLOCKSIZE)
262 #define XFS_MAX_CRC_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_CRC_BLOCKSIZE)
263
264 #define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1))
265
266 /* keep the maximum size under 2^31 by a small amount */
267 #define XFS_MAX_LOG_BYTES \
268 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
269
270 /* Used for sanity checks on superblock */
271 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
272 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
273 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
274
275 /*
276 * Output for XFS_IOC_AG_GEOMETRY
277 */
278 struct xfs_ag_geometry {
279 uint32_t ag_number; /* i/o: AG number */
280 uint32_t ag_length; /* o: length in blocks */
281 uint32_t ag_freeblks; /* o: free space */
282 uint32_t ag_icount; /* o: inodes allocated */
283 uint32_t ag_ifree; /* o: inodes free */
284 uint32_t ag_sick; /* o: sick things in ag */
285 uint32_t ag_checked; /* o: checked metadata in ag */
286 uint32_t ag_flags; /* i/o: flags for this ag */
287 uint64_t ag_reserved[12];/* o: zero */
288 };
289 #define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */
290 #define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */
291 #define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */
292 #define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */
293 #define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */
294 #define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */
295 #define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */
296 #define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */
297 #define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */
298 #define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */
299 #define XFS_AG_GEOM_SICK_INODES (1 << 10) /* bad inodes were seen */
300
301 /*
302 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
303 */
304 typedef struct xfs_growfs_data {
305 __u64 newblocks; /* new data subvol size, fsblocks */
306 __u32 imaxpct; /* new inode space percentage limit */
307 } xfs_growfs_data_t;
308
309 typedef struct xfs_growfs_log {
310 __u32 newblocks; /* new log size, fsblocks */
311 __u32 isint; /* 1 if new log is internal */
312 } xfs_growfs_log_t;
313
314 typedef struct xfs_growfs_rt {
315 __u64 newblocks; /* new realtime size, fsblocks */
316 __u32 extsize; /* new realtime extent size, fsblocks */
317 } xfs_growfs_rt_t;
318
319
320 /*
321 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
322 */
323 typedef struct xfs_bstime {
324 __kernel_long_t tv_sec; /* seconds */
325 __s32 tv_nsec; /* and nanoseconds */
326 } xfs_bstime_t;
327
328 struct xfs_bstat {
329 __u64 bs_ino; /* inode number */
330 __u16 bs_mode; /* type and mode */
331 __u16 bs_nlink; /* number of links */
332 __u32 bs_uid; /* user id */
333 __u32 bs_gid; /* group id */
334 __u32 bs_rdev; /* device value */
335 __s32 bs_blksize; /* block size */
336 __s64 bs_size; /* file size */
337 xfs_bstime_t bs_atime; /* access time */
338 xfs_bstime_t bs_mtime; /* modify time */
339 xfs_bstime_t bs_ctime; /* inode change time */
340 int64_t bs_blocks; /* number of blocks */
341 __u32 bs_xflags; /* extended flags */
342 __s32 bs_extsize; /* extent size */
343 __s32 bs_extents; /* number of extents */
344 __u32 bs_gen; /* generation count */
345 __u16 bs_projid_lo; /* lower part of project id */
346 #define bs_projid bs_projid_lo /* (previously just bs_projid) */
347 __u16 bs_forkoff; /* inode fork offset in bytes */
348 __u16 bs_projid_hi; /* higher part of project id */
349 uint16_t bs_sick; /* sick inode metadata */
350 uint16_t bs_checked; /* checked inode metadata */
351 unsigned char bs_pad[2]; /* pad space, unused */
352 __u32 bs_cowextsize; /* cow extent size */
353 __u32 bs_dmevmask; /* DMIG event mask */
354 __u16 bs_dmstate; /* DMIG state info */
355 __u16 bs_aextents; /* attribute number of extents */
356 };
357
358 /* New bulkstat structure that reports v5 features and fixes padding issues */
359 struct xfs_bulkstat {
360 uint64_t bs_ino; /* inode number */
361 uint64_t bs_size; /* file size */
362
363 uint64_t bs_blocks; /* number of blocks */
364 uint64_t bs_xflags; /* extended flags */
365
366 int64_t bs_atime; /* access time, seconds */
367 int64_t bs_mtime; /* modify time, seconds */
368
369 int64_t bs_ctime; /* inode change time, seconds */
370 int64_t bs_btime; /* creation time, seconds */
371
372 uint32_t bs_gen; /* generation count */
373 uint32_t bs_uid; /* user id */
374 uint32_t bs_gid; /* group id */
375 uint32_t bs_projectid; /* project id */
376
377 uint32_t bs_atime_nsec; /* access time, nanoseconds */
378 uint32_t bs_mtime_nsec; /* modify time, nanoseconds */
379 uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */
380 uint32_t bs_btime_nsec; /* creation time, nanoseconds */
381
382 uint32_t bs_blksize; /* block size */
383 uint32_t bs_rdev; /* device value */
384 uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */
385 uint32_t bs_extsize_blks; /* extent size hint, blocks */
386
387 uint32_t bs_nlink; /* number of links */
388 uint32_t bs_extents; /* 32-bit data fork extent counter */
389 uint32_t bs_aextents; /* attribute number of extents */
390 uint16_t bs_version; /* structure version */
391 uint16_t bs_forkoff; /* inode fork offset in bytes */
392
393 uint16_t bs_sick; /* sick inode metadata */
394 uint16_t bs_checked; /* checked inode metadata */
395 uint16_t bs_mode; /* type and mode */
396 uint16_t bs_pad2; /* zeroed */
397 uint64_t bs_extents64; /* 64-bit data fork extent counter */
398
399 uint64_t bs_pad[6]; /* zeroed */
400 };
401
402 #define XFS_BULKSTAT_VERSION_V1 (1)
403 #define XFS_BULKSTAT_VERSION_V5 (5)
404
405 /* bs_sick flags */
406 #define XFS_BS_SICK_INODE (1 << 0) /* inode core */
407 #define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */
408 #define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */
409 #define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */
410 #define XFS_BS_SICK_DIR (1 << 4) /* directory */
411 #define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */
412 #define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */
413 #define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */
414 #define XFS_BS_SICK_DIRTREE (1 << 8) /* directory tree structure */
415
416 /*
417 * Project quota id helpers (previously projid was 16bit only
418 * and using two 16bit values to hold new 32bit projid was chosen
419 * to retain compatibility with "old" filesystems).
420 */
421 static inline uint32_t
422 bstat_get_projid(const struct xfs_bstat *bs)
423 {
424 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
425 }
426
427 /*
428 * The user-level BulkStat Request interface structure.
429 */
430 struct xfs_fsop_bulkreq {
431 __u64 __user *lastip; /* last inode # pointer */
432 __s32 icount; /* count of entries in buffer */
433 void __user *ubuffer;/* user buffer for inode desc. */
434 __s32 __user *ocount; /* output count pointer */
435 };
436
437 /*
438 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
439 */
440 struct xfs_inogrp {
441 __u64 xi_startino; /* starting inode number */
442 __s32 xi_alloccount; /* # bits set in allocmask */
443 __u64 xi_allocmask; /* mask of allocated inodes */
444 };
445
446 /* New inumbers structure that reports v5 features and fixes padding issues */
447 struct xfs_inumbers {
448 uint64_t xi_startino; /* starting inode number */
449 uint64_t xi_allocmask; /* mask of allocated inodes */
450 uint8_t xi_alloccount; /* # bits set in allocmask */
451 uint8_t xi_version; /* version */
452 uint8_t xi_padding[6]; /* zero */
453 };
454
455 #define XFS_INUMBERS_VERSION_V1 (1)
456 #define XFS_INUMBERS_VERSION_V5 (5)
457
458 /* Header for bulk inode requests. */
459 struct xfs_bulk_ireq {
460 uint64_t ino; /* I/O: start with this inode */
461 uint32_t flags; /* I/O: operation flags */
462 uint32_t icount; /* I: count of entries in buffer */
463 uint32_t ocount; /* O: count of entries filled out */
464 uint32_t agno; /* I: see comment for IREQ_AGNO */
465 uint64_t reserved[5]; /* must be zero */
466 };
467
468 /*
469 * Only return results from the specified @agno. If @ino is zero, start
470 * with the first inode of @agno.
471 */
472 #define XFS_BULK_IREQ_AGNO (1U << 0)
473
474 /*
475 * Return bulkstat information for a single inode, where @ino value is a
476 * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_*
477 * values below. Not compatible with XFS_BULK_IREQ_AGNO.
478 */
479 #define XFS_BULK_IREQ_SPECIAL (1U << 1)
480
481 /*
482 * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign
483 * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use
484 * xfs_bulkstat->bs_extents for returning data fork extent count and set
485 * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and
486 * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than
487 * XFS_MAX_EXTCNT_DATA_FORK_OLD.
488 */
489 #define XFS_BULK_IREQ_NREXT64 (1U << 2)
490
491 #define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \
492 XFS_BULK_IREQ_SPECIAL | \
493 XFS_BULK_IREQ_NREXT64)
494
495 /* Operate on the root directory inode. */
496 #define XFS_BULK_IREQ_SPECIAL_ROOT (1)
497
498 /*
499 * ioctl structures for v5 bulkstat and inumbers requests
500 */
501 struct xfs_bulkstat_req {
502 struct xfs_bulk_ireq hdr;
503 struct xfs_bulkstat bulkstat[];
504 };
505 #define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \
506 (nr) * sizeof(struct xfs_bulkstat))
507
508 struct xfs_inumbers_req {
509 struct xfs_bulk_ireq hdr;
510 struct xfs_inumbers inumbers[];
511 };
512 #define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \
513 (nr) * sizeof(struct xfs_inumbers))
514
515 /*
516 * Error injection.
517 */
518 typedef struct xfs_error_injection {
519 __s32 fd;
520 __s32 errtag;
521 } xfs_error_injection_t;
522
523
524 /*
525 * Speculative preallocation trimming.
526 */
527 #define XFS_EOFBLOCKS_VERSION 1
528 struct xfs_fs_eofblocks {
529 __u32 eof_version;
530 __u32 eof_flags;
531 uid_t eof_uid;
532 gid_t eof_gid;
533 prid_t eof_prid;
534 __u32 pad32;
535 __u64 eof_min_file_size;
536 __u64 pad64[12];
537 };
538
539 /* eof_flags values */
540 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
541 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
542 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
543 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
544 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
545 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
546 * kernel only, not included in
547 * valid mask */
548 #define XFS_EOF_FLAGS_VALID \
549 (XFS_EOF_FLAGS_SYNC | \
550 XFS_EOF_FLAGS_UID | \
551 XFS_EOF_FLAGS_GID | \
552 XFS_EOF_FLAGS_PRID | \
553 XFS_EOF_FLAGS_MINFILESIZE)
554
555
556 /*
557 * The user-level Handle Request interface structure.
558 */
559 typedef struct xfs_fsop_handlereq {
560 __u32 fd; /* fd for FD_TO_HANDLE */
561 void __user *path; /* user pathname */
562 __u32 oflags; /* open flags */
563 void __user *ihandle;/* user supplied handle */
564 __u32 ihandlen; /* user supplied length */
565 void __user *ohandle;/* user buffer for handle */
566 __u32 __user *ohandlen;/* user buffer length */
567 } xfs_fsop_handlereq_t;
568
569 /*
570 * Compound structures for passing args through Handle Request interfaces
571 * xfs_attrlist_by_handle, xfs_attrmulti_by_handle
572 * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE
573 */
574
575 /*
576 * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface.
577 *
578 * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix.
579 */
580 #define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */
581 #define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */
582 #define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */
583 #define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */
584
585 typedef struct xfs_attrlist_cursor {
586 __u32 opaque[4];
587 } xfs_attrlist_cursor_t;
588
589 /*
590 * Define how lists of attribute names are returned to userspace from the
591 * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the
592 * beginning of the returned buffer, and a each entry in al_offset contains the
593 * relative offset of an xfs_attrlist_ent containing the actual entry.
594 *
595 * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and
596 * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr.
597 */
598 struct xfs_attrlist {
599 __s32 al_count; /* number of entries in attrlist */
600 __s32 al_more; /* T/F: more attrs (do call again) */
601 __s32 al_offset[]; /* byte offsets of attrs [var-sized] */
602 };
603
604 struct xfs_attrlist_ent { /* data from attr_list() */
605 __u32 a_valuelen; /* number bytes in value of attr */
606 char a_name[]; /* attr name (NULL terminated) */
607 };
608
609 typedef struct xfs_fsop_attrlist_handlereq {
610 struct xfs_fsop_handlereq hreq; /* handle interface structure */
611 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
612 __u32 flags; /* which namespace to use */
613 __u32 buflen; /* length of buffer supplied */
614 void __user *buffer; /* returned names */
615 } xfs_fsop_attrlist_handlereq_t;
616
617 typedef struct xfs_attr_multiop {
618 __u32 am_opcode;
619 #define ATTR_OP_GET 1 /* return the indicated attr's value */
620 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
621 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */
622 __s32 am_error;
623 void __user *am_attrname;
624 void __user *am_attrvalue;
625 __u32 am_length;
626 __u32 am_flags; /* XFS_IOC_ATTR_* */
627 } xfs_attr_multiop_t;
628
629 typedef struct xfs_fsop_attrmulti_handlereq {
630 struct xfs_fsop_handlereq hreq; /* handle interface structure */
631 __u32 opcount;/* count of following multiop */
632 struct xfs_attr_multiop __user *ops; /* attr_multi data */
633 } xfs_fsop_attrmulti_handlereq_t;
634
635 /*
636 * per machine unique filesystem identifier types.
637 */
638 typedef struct xfs_fsid {
639 __u32 val[2]; /* file system id type */
640 } xfs_fsid_t;
641
642 typedef struct xfs_fid {
643 __u16 fid_len; /* length of remainder */
644 __u16 fid_pad;
645 __u32 fid_gen; /* generation number */
646 __u64 fid_ino; /* 64 bits inode number */
647 } xfs_fid_t;
648
649 typedef struct xfs_handle {
650 union {
651 __s64 align; /* force alignment of ha_fid */
652 xfs_fsid_t _ha_fsid; /* unique file system identifier */
653 } ha_u;
654 xfs_fid_t ha_fid; /* file system specific file ID */
655 } xfs_handle_t;
656 #define ha_fsid ha_u._ha_fsid
657
658 /*
659 * Structure passed to XFS_IOC_SWAPEXT
660 */
661 typedef struct xfs_swapext
662 {
663 int64_t sx_version; /* version */
664 #define XFS_SX_VERSION 0
665 int64_t sx_fdtarget; /* fd of target file */
666 int64_t sx_fdtmp; /* fd of tmp file */
667 xfs_off_t sx_offset; /* offset into file */
668 xfs_off_t sx_length; /* leng from offset */
669 char sx_pad[16]; /* pad space, unused */
670 struct xfs_bstat sx_stat; /* stat of target b4 copy */
671 } xfs_swapext_t;
672
673 /*
674 * Flags for going down operation
675 */
676 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
677 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
678 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
679
680 /* metadata scrubbing */
681 struct xfs_scrub_metadata {
682 __u32 sm_type; /* What to check? */
683 __u32 sm_flags; /* flags; see below. */
684 __u64 sm_ino; /* inode number. */
685 __u32 sm_gen; /* inode generation. */
686 __u32 sm_agno; /* ag number. */
687 __u64 sm_reserved[5]; /* pad to 64 bytes */
688 };
689
690 /*
691 * Metadata types and flags for scrub operation.
692 */
693
694 /* Scrub subcommands. */
695 #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */
696 #define XFS_SCRUB_TYPE_SB 1 /* superblock */
697 #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */
698 #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */
699 #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */
700 #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */
701 #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */
702 #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */
703 #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
704 #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
705 #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */
706 #define XFS_SCRUB_TYPE_INODE 11 /* inode record */
707 #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */
708 #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */
709 #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */
710 #define XFS_SCRUB_TYPE_DIR 15 /* directory */
711 #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */
712 #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */
713 #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */
714 #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */
715 #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */
716 #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */
717 #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
718 #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
719 #define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */
720 #define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */
721 #define XFS_SCRUB_TYPE_NLINKS 26 /* inode link counts */
722 #define XFS_SCRUB_TYPE_HEALTHY 27 /* everything checked out ok */
723 #define XFS_SCRUB_TYPE_DIRTREE 28 /* directory tree structure */
724
725 /* Number of scrub subcommands. */
726 #define XFS_SCRUB_TYPE_NR 29
727
728 /*
729 * This special type code only applies to the vectored scrub implementation.
730 *
731 * If any of the previous scrub vectors recorded runtime errors or have
732 * sv_flags bits set that match the OFLAG bits in the barrier vector's
733 * sv_flags, set the barrier's sv_ret to -ECANCELED and return to userspace.
734 */
735 #define XFS_SCRUB_TYPE_BARRIER (0xFFFFFFFF)
736
737 /* i: Repair this metadata. */
738 #define XFS_SCRUB_IFLAG_REPAIR (1u << 0)
739
740 /* o: Metadata object needs repair. */
741 #define XFS_SCRUB_OFLAG_CORRUPT (1u << 1)
742
743 /*
744 * o: Metadata object could be optimized. It's not corrupt, but
745 * we could improve on it somehow.
746 */
747 #define XFS_SCRUB_OFLAG_PREEN (1u << 2)
748
749 /* o: Cross-referencing failed. */
750 #define XFS_SCRUB_OFLAG_XFAIL (1u << 3)
751
752 /* o: Metadata object disagrees with cross-referenced metadata. */
753 #define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4)
754
755 /* o: Scan was not complete. */
756 #define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5)
757
758 /* o: Metadata object looked funny but isn't corrupt. */
759 #define XFS_SCRUB_OFLAG_WARNING (1u << 6)
760
761 /*
762 * o: IFLAG_REPAIR was set but metadata object did not need fixing or
763 * optimization and has therefore not been altered.
764 */
765 #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1u << 7)
766
767 /* i: Rebuild the data structure. */
768 #define XFS_SCRUB_IFLAG_FORCE_REBUILD (1u << 8)
769
770 #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR | \
771 XFS_SCRUB_IFLAG_FORCE_REBUILD)
772 #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \
773 XFS_SCRUB_OFLAG_PREEN | \
774 XFS_SCRUB_OFLAG_XFAIL | \
775 XFS_SCRUB_OFLAG_XCORRUPT | \
776 XFS_SCRUB_OFLAG_INCOMPLETE | \
777 XFS_SCRUB_OFLAG_WARNING | \
778 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED)
779 #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT)
780
781 /* Vectored scrub calls to reduce the number of kernel transitions. */
782
783 struct xfs_scrub_vec {
784 __u32 sv_type; /* XFS_SCRUB_TYPE_* */
785 __u32 sv_flags; /* XFS_SCRUB_FLAGS_* */
786 __s32 sv_ret; /* 0 or a negative error code */
787 __u32 sv_reserved; /* must be zero */
788 };
789
790 /* Vectored metadata scrub control structure. */
791 struct xfs_scrub_vec_head {
792 __u64 svh_ino; /* inode number. */
793 __u32 svh_gen; /* inode generation. */
794 __u32 svh_agno; /* ag number. */
795 __u32 svh_flags; /* XFS_SCRUB_VEC_FLAGS_* */
796 __u16 svh_rest_us; /* wait this much time between vector items */
797 __u16 svh_nr; /* number of svh_vectors */
798 __u64 svh_reserved; /* must be zero */
799 __u64 svh_vectors; /* pointer to buffer of xfs_scrub_vec */
800 };
801
802 #define XFS_SCRUB_VEC_FLAGS_ALL (0)
803
804 /*
805 * ioctl limits
806 */
807 #ifdef XATTR_LIST_MAX
808 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
809 #else
810 # define XFS_XATTR_LIST_MAX 65536
811 #endif
812
813 /*
814 * Exchange part of file1 with part of the file that this ioctl that is being
815 * called against (which we'll call file2). Filesystems must be able to
816 * restart and complete the operation even after the system goes down.
817 */
818 struct xfs_exchange_range {
819 __s32 file1_fd;
820 __u32 pad; /* must be zeroes */
821 __u64 file1_offset; /* file1 offset, bytes */
822 __u64 file2_offset; /* file2 offset, bytes */
823 __u64 length; /* bytes to exchange */
824
825 __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */
826 };
827
828 /*
829 * Exchange file data all the way to the ends of both files, and then exchange
830 * the file sizes. This flag can be used to replace a file's contents with a
831 * different amount of data. length will be ignored.
832 */
833 #define XFS_EXCHANGE_RANGE_TO_EOF (1ULL << 0)
834
835 /* Flush all changes in file data and file metadata to disk before returning. */
836 #define XFS_EXCHANGE_RANGE_DSYNC (1ULL << 1)
837
838 /* Dry run; do all the parameter verification but do not change anything. */
839 #define XFS_EXCHANGE_RANGE_DRY_RUN (1ULL << 2)
840
841 /*
842 * Exchange only the parts of the two files where the file allocation units
843 * mapped to file1's range have been written to. This can accelerate
844 * scatter-gather atomic writes with a temp file if all writes are aligned to
845 * the file allocation unit.
846 */
847 #define XFS_EXCHANGE_RANGE_FILE1_WRITTEN (1ULL << 3)
848
849 #define XFS_EXCHANGE_RANGE_ALL_FLAGS (XFS_EXCHANGE_RANGE_TO_EOF | \
850 XFS_EXCHANGE_RANGE_DSYNC | \
851 XFS_EXCHANGE_RANGE_DRY_RUN | \
852 XFS_EXCHANGE_RANGE_FILE1_WRITTEN)
853
854 /* Iterating parent pointers of files. */
855
856 /* target was the root directory */
857 #define XFS_GETPARENTS_OFLAG_ROOT (1U << 0)
858
859 /* Cursor is done iterating pptrs */
860 #define XFS_GETPARENTS_OFLAG_DONE (1U << 1)
861
862 #define XFS_GETPARENTS_OFLAGS_ALL (XFS_GETPARENTS_OFLAG_ROOT | \
863 XFS_GETPARENTS_OFLAG_DONE)
864
865 #define XFS_GETPARENTS_IFLAGS_ALL (0)
866
867 struct xfs_getparents_rec {
868 struct xfs_handle gpr_parent; /* Handle to parent */
869 __u32 gpr_reclen; /* Length of entire record */
870 __u32 gpr_reserved; /* zero */
871 char gpr_name[]; /* Null-terminated filename */
872 };
873
874 /* Iterate through this file's directory parent pointers */
875 struct xfs_getparents {
876 /*
877 * Structure to track progress in iterating the parent pointers.
878 * Must be initialized to zeroes before the first ioctl call, and
879 * not touched by callers after that.
880 */
881 struct xfs_attrlist_cursor gp_cursor;
882
883 /* Input flags: XFS_GETPARENTS_IFLAG* */
884 __u16 gp_iflags;
885
886 /* Output flags: XFS_GETPARENTS_OFLAG* */
887 __u16 gp_oflags;
888
889 /* Size of the gp_buffer in bytes */
890 __u32 gp_bufsize;
891
892 /* Must be set to zero */
893 __u64 gp_reserved;
894
895 /* Pointer to a buffer in which to place xfs_getparents_rec */
896 __u64 gp_buffer;
897 };
898
899 static inline struct xfs_getparents_rec *
900 xfs_getparents_first_rec(struct xfs_getparents *gp)
901 {
902 return (struct xfs_getparents_rec *)(uintptr_t)gp->gp_buffer;
903 }
904
905 static inline struct xfs_getparents_rec *
906 xfs_getparents_next_rec(struct xfs_getparents *gp,
907 struct xfs_getparents_rec *gpr)
908 {
909 void *next = ((void *)gpr + gpr->gpr_reclen);
910 void *end = (void *)(uintptr_t)(gp->gp_buffer + gp->gp_bufsize);
911
912 if (next >= end)
913 return NULL;
914
915 return next;
916 }
917
918 /* Iterate through this file handle's directory parent pointers. */
919 struct xfs_getparents_by_handle {
920 /* Handle to file whose parents we want. */
921 struct xfs_handle gph_handle;
922
923 struct xfs_getparents gph_request;
924 };
925
926 /*
927 * ioctl commands that are used by Linux filesystems
928 */
929 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
930 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
931 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
932
933 /*
934 * ioctl commands that replace IRIX fcntl()'s
935 * For 'documentation' purposed more than anything else,
936 * the "cmd #" field reflects the IRIX fcntl number.
937 */
938 /* XFS_IOC_ALLOCSP ------- deprecated 10 */
939 /* XFS_IOC_FREESP -------- deprecated 11 */
940 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
941 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
942 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
943 /* XFS_IOC_ALLOCSP64 ----- deprecated 36 */
944 /* XFS_IOC_FREESP64 ------ deprecated 37 */
945 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
946 /* XFS_IOC_FSSETDM ------- deprecated 39 */
947 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
948 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
949 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
950 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
951 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
952 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
953 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
954 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
955 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
956 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
957 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
958 /* XFS_IOC_GETFSMAP ------ hoisted 59 */
959 #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata)
960 #define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry)
961 #define XFS_IOC_GETPARENTS _IOWR('X', 62, struct xfs_getparents)
962 #define XFS_IOC_GETPARENTS_BY_HANDLE _IOWR('X', 63, struct xfs_getparents_by_handle)
963 #define XFS_IOC_SCRUBV_METADATA _IOWR('X', 64, struct xfs_scrub_vec_head)
964
965 /*
966 * ioctl commands that replace IRIX syssgi()'s
967 */
968 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
969 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
970 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
971 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
972 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
973 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
974 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
975 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
976 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
977 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
978 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
979 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
980 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
981 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
982 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
983 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
984 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
985 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
986 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
987
988 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
989 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
990
991 /* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */
992 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
993 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
994 #define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4)
995 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)
996 #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom)
997 #define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req)
998 #define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req)
999 #define XFS_IOC_EXCHANGE_RANGE _IOW ('X', 129, struct xfs_exchange_range)
1000 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
1001
1002
1003 #ifndef HAVE_BBMACROS
1004 /*
1005 * Block I/O parameterization. A basic block (BB) is the lowest size of
1006 * filesystem allocation, and must equal 512. Length units given to bio
1007 * routines are in BB's.
1008 */
1009 #define BBSHIFT 9
1010 #define BBSIZE (1<<BBSHIFT)
1011 #define BBMASK (BBSIZE-1)
1012 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
1013 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
1014 #define BBTOB(bbs) ((bbs) << BBSHIFT)
1015 #endif
1016
1017 #endif /* __XFS_FS_H__ */
1018
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