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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
19struct 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
34struct 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
53struct 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 */
99typedef 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 */
112struct 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 */
138struct 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 */
165struct 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 */
202typedef 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 */
210typedef 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
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/*
254 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than
255 * 16MB or larger than 1TB.
256 */
257#define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */
258#define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */
259#define XFS_MAX_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_BLOCKSIZE)
260#define XFS_MAX_CRC_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_CRC_BLOCKSIZE)
261
262#define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1))
263
264/* keep the maximum size under 2^31 by a small amount */
265#define XFS_MAX_LOG_BYTES \
266 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
267
268/* Used for sanity checks on superblock */
269#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
270#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
271 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
272
273/*
274 * Output for XFS_IOC_AG_GEOMETRY
275 */
276struct xfs_ag_geometry {
277 uint32_t ag_number; /* i/o: AG number */
278 uint32_t ag_length; /* o: length in blocks */
279 uint32_t ag_freeblks; /* o: free space */
280 uint32_t ag_icount; /* o: inodes allocated */
281 uint32_t ag_ifree; /* o: inodes free */
282 uint32_t ag_sick; /* o: sick things in ag */
283 uint32_t ag_checked; /* o: checked metadata in ag */
284 uint32_t ag_flags; /* i/o: flags for this ag */
285 uint64_t ag_reserved[12];/* o: zero */
286};
287#define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */
288#define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */
289#define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */
290#define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */
291#define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */
292#define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */
293#define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */
294#define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */
295#define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */
296#define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */
297#define XFS_AG_GEOM_SICK_INODES (1 << 10) /* bad inodes were seen */
298
299/*
300 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
301 */
302typedef struct xfs_growfs_data {
303 __u64 newblocks; /* new data subvol size, fsblocks */
304 __u32 imaxpct; /* new inode space percentage limit */
305} xfs_growfs_data_t;
306
307typedef struct xfs_growfs_log {
308 __u32 newblocks; /* new log size, fsblocks */
309 __u32 isint; /* 1 if new log is internal */
310} xfs_growfs_log_t;
311
312typedef struct xfs_growfs_rt {
313 __u64 newblocks; /* new realtime size, fsblocks */
314 __u32 extsize; /* new realtime extent size, fsblocks */
315} xfs_growfs_rt_t;
316
317
318/*
319 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
320 */
321typedef struct xfs_bstime {
322 __kernel_long_t tv_sec; /* seconds */
323 __s32 tv_nsec; /* and nanoseconds */
324} xfs_bstime_t;
325
326struct xfs_bstat {
327 __u64 bs_ino; /* inode number */
328 __u16 bs_mode; /* type and mode */
329 __u16 bs_nlink; /* number of links */
330 __u32 bs_uid; /* user id */
331 __u32 bs_gid; /* group id */
332 __u32 bs_rdev; /* device value */
333 __s32 bs_blksize; /* block size */
334 __s64 bs_size; /* file size */
335 xfs_bstime_t bs_atime; /* access time */
336 xfs_bstime_t bs_mtime; /* modify time */
337 xfs_bstime_t bs_ctime; /* inode change time */
338 int64_t bs_blocks; /* number of blocks */
339 __u32 bs_xflags; /* extended flags */
340 __s32 bs_extsize; /* extent size */
341 __s32 bs_extents; /* number of extents */
342 __u32 bs_gen; /* generation count */
343 __u16 bs_projid_lo; /* lower part of project id */
344#define bs_projid bs_projid_lo /* (previously just bs_projid) */
345 __u16 bs_forkoff; /* inode fork offset in bytes */
346 __u16 bs_projid_hi; /* higher part of project id */
347 uint16_t bs_sick; /* sick inode metadata */
348 uint16_t bs_checked; /* checked inode metadata */
349 unsigned char bs_pad[2]; /* pad space, unused */
350 __u32 bs_cowextsize; /* cow extent size */
351 __u32 bs_dmevmask; /* DMIG event mask */
352 __u16 bs_dmstate; /* DMIG state info */
353 __u16 bs_aextents; /* attribute number of extents */
354};
355
356/* New bulkstat structure that reports v5 features and fixes padding issues */
357struct xfs_bulkstat {
358 uint64_t bs_ino; /* inode number */
359 uint64_t bs_size; /* file size */
360
361 uint64_t bs_blocks; /* number of blocks */
362 uint64_t bs_xflags; /* extended flags */
363
364 int64_t bs_atime; /* access time, seconds */
365 int64_t bs_mtime; /* modify time, seconds */
366
367 int64_t bs_ctime; /* inode change time, seconds */
368 int64_t bs_btime; /* creation time, seconds */
369
370 uint32_t bs_gen; /* generation count */
371 uint32_t bs_uid; /* user id */
372 uint32_t bs_gid; /* group id */
373 uint32_t bs_projectid; /* project id */
374
375 uint32_t bs_atime_nsec; /* access time, nanoseconds */
376 uint32_t bs_mtime_nsec; /* modify time, nanoseconds */
377 uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */
378 uint32_t bs_btime_nsec; /* creation time, nanoseconds */
379
380 uint32_t bs_blksize; /* block size */
381 uint32_t bs_rdev; /* device value */
382 uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */
383 uint32_t bs_extsize_blks; /* extent size hint, blocks */
384
385 uint32_t bs_nlink; /* number of links */
386 uint32_t bs_extents; /* 32-bit data fork extent counter */
387 uint32_t bs_aextents; /* attribute number of extents */
388 uint16_t bs_version; /* structure version */
389 uint16_t bs_forkoff; /* inode fork offset in bytes */
390
391 uint16_t bs_sick; /* sick inode metadata */
392 uint16_t bs_checked; /* checked inode metadata */
393 uint16_t bs_mode; /* type and mode */
394 uint16_t bs_pad2; /* zeroed */
395 uint64_t bs_extents64; /* 64-bit data fork extent counter */
396
397 uint64_t bs_pad[6]; /* zeroed */
398};
399
400#define XFS_BULKSTAT_VERSION_V1 (1)
401#define XFS_BULKSTAT_VERSION_V5 (5)
402
403/* bs_sick flags */
404#define XFS_BS_SICK_INODE (1 << 0) /* inode core */
405#define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */
406#define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */
407#define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */
408#define XFS_BS_SICK_DIR (1 << 4) /* directory */
409#define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */
410#define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */
411#define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */
412
413/*
414 * Project quota id helpers (previously projid was 16bit only
415 * and using two 16bit values to hold new 32bit projid was chosen
416 * to retain compatibility with "old" filesystems).
417 */
418static inline uint32_t
419bstat_get_projid(const struct xfs_bstat *bs)
420{
421 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
422}
423
424/*
425 * The user-level BulkStat Request interface structure.
426 */
427struct xfs_fsop_bulkreq {
428 __u64 __user *lastip; /* last inode # pointer */
429 __s32 icount; /* count of entries in buffer */
430 void __user *ubuffer;/* user buffer for inode desc. */
431 __s32 __user *ocount; /* output count pointer */
432};
433
434/*
435 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
436 */
437struct xfs_inogrp {
438 __u64 xi_startino; /* starting inode number */
439 __s32 xi_alloccount; /* # bits set in allocmask */
440 __u64 xi_allocmask; /* mask of allocated inodes */
441};
442
443/* New inumbers structure that reports v5 features and fixes padding issues */
444struct xfs_inumbers {
445 uint64_t xi_startino; /* starting inode number */
446 uint64_t xi_allocmask; /* mask of allocated inodes */
447 uint8_t xi_alloccount; /* # bits set in allocmask */
448 uint8_t xi_version; /* version */
449 uint8_t xi_padding[6]; /* zero */
450};
451
452#define XFS_INUMBERS_VERSION_V1 (1)
453#define XFS_INUMBERS_VERSION_V5 (5)
454
455/* Header for bulk inode requests. */
456struct xfs_bulk_ireq {
457 uint64_t ino; /* I/O: start with this inode */
458 uint32_t flags; /* I/O: operation flags */
459 uint32_t icount; /* I: count of entries in buffer */
460 uint32_t ocount; /* O: count of entries filled out */
461 uint32_t agno; /* I: see comment for IREQ_AGNO */
462 uint64_t reserved[5]; /* must be zero */
463};
464
465/*
466 * Only return results from the specified @agno. If @ino is zero, start
467 * with the first inode of @agno.
468 */
469#define XFS_BULK_IREQ_AGNO (1U << 0)
470
471/*
472 * Return bulkstat information for a single inode, where @ino value is a
473 * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_*
474 * values below. Not compatible with XFS_BULK_IREQ_AGNO.
475 */
476#define XFS_BULK_IREQ_SPECIAL (1U << 1)
477
478/*
479 * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign
480 * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use
481 * xfs_bulkstat->bs_extents for returning data fork extent count and set
482 * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and
483 * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than
484 * XFS_MAX_EXTCNT_DATA_FORK_OLD.
485 */
486#define XFS_BULK_IREQ_NREXT64 (1U << 2)
487
488#define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \
489 XFS_BULK_IREQ_SPECIAL | \
490 XFS_BULK_IREQ_NREXT64)
491
492/* Operate on the root directory inode. */
493#define XFS_BULK_IREQ_SPECIAL_ROOT (1)
494
495/*
496 * ioctl structures for v5 bulkstat and inumbers requests
497 */
498struct xfs_bulkstat_req {
499 struct xfs_bulk_ireq hdr;
500 struct xfs_bulkstat bulkstat[];
501};
502#define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \
503 (nr) * sizeof(struct xfs_bulkstat))
504
505struct xfs_inumbers_req {
506 struct xfs_bulk_ireq hdr;
507 struct xfs_inumbers inumbers[];
508};
509#define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \
510 (nr) * sizeof(struct xfs_inumbers))
511
512/*
513 * Error injection.
514 */
515typedef struct xfs_error_injection {
516 __s32 fd;
517 __s32 errtag;
518} xfs_error_injection_t;
519
520
521/*
522 * Speculative preallocation trimming.
523 */
524#define XFS_EOFBLOCKS_VERSION 1
525struct xfs_fs_eofblocks {
526 __u32 eof_version;
527 __u32 eof_flags;
528 uid_t eof_uid;
529 gid_t eof_gid;
530 prid_t eof_prid;
531 __u32 pad32;
532 __u64 eof_min_file_size;
533 __u64 pad64[12];
534};
535
536/* eof_flags values */
537#define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
538#define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
539#define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
540#define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
541#define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
542#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
543 * kernel only, not included in
544 * valid mask */
545#define XFS_EOF_FLAGS_VALID \
546 (XFS_EOF_FLAGS_SYNC | \
547 XFS_EOF_FLAGS_UID | \
548 XFS_EOF_FLAGS_GID | \
549 XFS_EOF_FLAGS_PRID | \
550 XFS_EOF_FLAGS_MINFILESIZE)
551
552
553/*
554 * The user-level Handle Request interface structure.
555 */
556typedef struct xfs_fsop_handlereq {
557 __u32 fd; /* fd for FD_TO_HANDLE */
558 void __user *path; /* user pathname */
559 __u32 oflags; /* open flags */
560 void __user *ihandle;/* user supplied handle */
561 __u32 ihandlen; /* user supplied length */
562 void __user *ohandle;/* user buffer for handle */
563 __u32 __user *ohandlen;/* user buffer length */
564} xfs_fsop_handlereq_t;
565
566/*
567 * Compound structures for passing args through Handle Request interfaces
568 * xfs_attrlist_by_handle, xfs_attrmulti_by_handle
569 * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE
570 */
571
572/*
573 * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface.
574 *
575 * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix.
576 */
577#define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */
578#define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */
579#define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */
580#define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */
581
582typedef struct xfs_attrlist_cursor {
583 __u32 opaque[4];
584} xfs_attrlist_cursor_t;
585
586/*
587 * Define how lists of attribute names are returned to userspace from the
588 * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the
589 * beginning of the returned buffer, and a each entry in al_offset contains the
590 * relative offset of an xfs_attrlist_ent containing the actual entry.
591 *
592 * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and
593 * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr.
594 */
595struct xfs_attrlist {
596 __s32 al_count; /* number of entries in attrlist */
597 __s32 al_more; /* T/F: more attrs (do call again) */
598 __s32 al_offset[]; /* byte offsets of attrs [var-sized] */
599};
600
601struct xfs_attrlist_ent { /* data from attr_list() */
602 __u32 a_valuelen; /* number bytes in value of attr */
603 char a_name[]; /* attr name (NULL terminated) */
604};
605
606typedef struct xfs_fsop_attrlist_handlereq {
607 struct xfs_fsop_handlereq hreq; /* handle interface structure */
608 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
609 __u32 flags; /* which namespace to use */
610 __u32 buflen; /* length of buffer supplied */
611 void __user *buffer; /* returned names */
612} xfs_fsop_attrlist_handlereq_t;
613
614typedef struct xfs_attr_multiop {
615 __u32 am_opcode;
616#define ATTR_OP_GET 1 /* return the indicated attr's value */
617#define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
618#define ATTR_OP_REMOVE 3 /* remove the indicated attr */
619 __s32 am_error;
620 void __user *am_attrname;
621 void __user *am_attrvalue;
622 __u32 am_length;
623 __u32 am_flags; /* XFS_IOC_ATTR_* */
624} xfs_attr_multiop_t;
625
626typedef struct xfs_fsop_attrmulti_handlereq {
627 struct xfs_fsop_handlereq hreq; /* handle interface structure */
628 __u32 opcount;/* count of following multiop */
629 struct xfs_attr_multiop __user *ops; /* attr_multi data */
630} xfs_fsop_attrmulti_handlereq_t;
631
632/*
633 * per machine unique filesystem identifier types.
634 */
635typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
636
637typedef struct xfs_fid {
638 __u16 fid_len; /* length of remainder */
639 __u16 fid_pad;
640 __u32 fid_gen; /* generation number */
641 __u64 fid_ino; /* 64 bits inode number */
642} xfs_fid_t;
643
644typedef struct xfs_handle {
645 union {
646 __s64 align; /* force alignment of ha_fid */
647 xfs_fsid_t _ha_fsid; /* unique file system identifier */
648 } ha_u;
649 xfs_fid_t ha_fid; /* file system specific file ID */
650} xfs_handle_t;
651#define ha_fsid ha_u._ha_fsid
652
653/*
654 * Structure passed to XFS_IOC_SWAPEXT
655 */
656typedef struct xfs_swapext
657{
658 int64_t sx_version; /* version */
659#define XFS_SX_VERSION 0
660 int64_t sx_fdtarget; /* fd of target file */
661 int64_t sx_fdtmp; /* fd of tmp file */
662 xfs_off_t sx_offset; /* offset into file */
663 xfs_off_t sx_length; /* leng from offset */
664 char sx_pad[16]; /* pad space, unused */
665 struct xfs_bstat sx_stat; /* stat of target b4 copy */
666} xfs_swapext_t;
667
668/*
669 * Flags for going down operation
670 */
671#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
672#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
673#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
674
675/* metadata scrubbing */
676struct xfs_scrub_metadata {
677 __u32 sm_type; /* What to check? */
678 __u32 sm_flags; /* flags; see below. */
679 __u64 sm_ino; /* inode number. */
680 __u32 sm_gen; /* inode generation. */
681 __u32 sm_agno; /* ag number. */
682 __u64 sm_reserved[5]; /* pad to 64 bytes */
683};
684
685/*
686 * Metadata types and flags for scrub operation.
687 */
688
689/* Scrub subcommands. */
690#define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */
691#define XFS_SCRUB_TYPE_SB 1 /* superblock */
692#define XFS_SCRUB_TYPE_AGF 2 /* AG free header */
693#define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */
694#define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */
695#define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */
696#define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */
697#define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */
698#define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
699#define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
700#define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */
701#define XFS_SCRUB_TYPE_INODE 11 /* inode record */
702#define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */
703#define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */
704#define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */
705#define XFS_SCRUB_TYPE_DIR 15 /* directory */
706#define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */
707#define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */
708#define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */
709#define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */
710#define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */
711#define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */
712#define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
713#define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
714#define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */
715#define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */
716#define XFS_SCRUB_TYPE_NLINKS 26 /* inode link counts */
717#define XFS_SCRUB_TYPE_HEALTHY 27 /* everything checked out ok */
718
719/* Number of scrub subcommands. */
720#define XFS_SCRUB_TYPE_NR 28
721
722/* i: Repair this metadata. */
723#define XFS_SCRUB_IFLAG_REPAIR (1u << 0)
724
725/* o: Metadata object needs repair. */
726#define XFS_SCRUB_OFLAG_CORRUPT (1u << 1)
727
728/*
729 * o: Metadata object could be optimized. It's not corrupt, but
730 * we could improve on it somehow.
731 */
732#define XFS_SCRUB_OFLAG_PREEN (1u << 2)
733
734/* o: Cross-referencing failed. */
735#define XFS_SCRUB_OFLAG_XFAIL (1u << 3)
736
737/* o: Metadata object disagrees with cross-referenced metadata. */
738#define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4)
739
740/* o: Scan was not complete. */
741#define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5)
742
743/* o: Metadata object looked funny but isn't corrupt. */
744#define XFS_SCRUB_OFLAG_WARNING (1u << 6)
745
746/*
747 * o: IFLAG_REPAIR was set but metadata object did not need fixing or
748 * optimization and has therefore not been altered.
749 */
750#define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1u << 7)
751
752/* i: Rebuild the data structure. */
753#define XFS_SCRUB_IFLAG_FORCE_REBUILD (1u << 8)
754
755#define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR | \
756 XFS_SCRUB_IFLAG_FORCE_REBUILD)
757#define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \
758 XFS_SCRUB_OFLAG_PREEN | \
759 XFS_SCRUB_OFLAG_XFAIL | \
760 XFS_SCRUB_OFLAG_XCORRUPT | \
761 XFS_SCRUB_OFLAG_INCOMPLETE | \
762 XFS_SCRUB_OFLAG_WARNING | \
763 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED)
764#define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT)
765
766/*
767 * ioctl limits
768 */
769#ifdef XATTR_LIST_MAX
770# define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
771#else
772# define XFS_XATTR_LIST_MAX 65536
773#endif
774
775
776/*
777 * ioctl commands that are used by Linux filesystems
778 */
779#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
780#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
781#define XFS_IOC_GETVERSION FS_IOC_GETVERSION
782
783/*
784 * ioctl commands that replace IRIX fcntl()'s
785 * For 'documentation' purposed more than anything else,
786 * the "cmd #" field reflects the IRIX fcntl number.
787 */
788/* XFS_IOC_ALLOCSP ------- deprecated 10 */
789/* XFS_IOC_FREESP -------- deprecated 11 */
790#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
791#define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
792#define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
793/* XFS_IOC_ALLOCSP64 ----- deprecated 36 */
794/* XFS_IOC_FREESP64 ------ deprecated 37 */
795#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
796/* XFS_IOC_FSSETDM ------- deprecated 39 */
797#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
798#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
799#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
800#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
801#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
802#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
803/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
804/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
805#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
806#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
807#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
808/* XFS_IOC_GETFSMAP ------ hoisted 59 */
809#define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata)
810#define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry)
811
812/*
813 * ioctl commands that replace IRIX syssgi()'s
814 */
815#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
816#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
817#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
818#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
819#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
820#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
821#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
822#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
823#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
824#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
825#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
826#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
827#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
828#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
829#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
830#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
831#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
832#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
833/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
834
835#define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
836#define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
837
838/* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */
839#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
840#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
841#define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4)
842#define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)
843#define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom)
844#define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req)
845#define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req)
846/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
847
848
849#ifndef HAVE_BBMACROS
850/*
851 * Block I/O parameterization. A basic block (BB) is the lowest size of
852 * filesystem allocation, and must equal 512. Length units given to bio
853 * routines are in BB's.
854 */
855#define BBSHIFT 9
856#define BBSIZE (1<<BBSHIFT)
857#define BBMASK (BBSIZE-1)
858#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
859#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
860#define BBTOB(bbs) ((bbs) << BBSHIFT)
861#endif
862
863#endif /* __XFS_FS_H__ */
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 * NOTE: This file must be compile-able with C++ compilers.
12 */
13
14/*
15 * Direct I/O attribute record used with XFS_IOC_DIOINFO
16 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
17 * alignment.
18 */
19#ifndef HAVE_DIOATTR
20struct dioattr {
21 __u32 d_mem; /* data buffer memory alignment */
22 __u32 d_miniosz; /* min xfer size */
23 __u32 d_maxiosz; /* max xfer size */
24};
25#endif
26
27/*
28 * Structure for XFS_IOC_GETBMAP.
29 * On input, fill in bmv_offset and bmv_length of the first structure
30 * to indicate the area of interest in the file, and bmv_entries with
31 * the number of array elements given back. The first structure is
32 * updated on return to give the offset and length for the next call.
33 */
34#ifndef HAVE_GETBMAP
35struct getbmap {
36 __s64 bmv_offset; /* file offset of segment in blocks */
37 __s64 bmv_block; /* starting block (64-bit daddr_t) */
38 __s64 bmv_length; /* length of segment, blocks */
39 __s32 bmv_count; /* # of entries in array incl. 1st */
40 __s32 bmv_entries; /* # of entries filled in (output) */
41};
42#endif
43
44/*
45 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
46 * are used exactly as in the getbmap structure. The getbmapx structure
47 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
48 * is only used for the first structure. It contains input flags
49 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
50 * in by the XFS_IOC_GETBMAPX command for each returned structure after
51 * the first.
52 */
53#ifndef HAVE_GETBMAPX
54struct getbmapx {
55 __s64 bmv_offset; /* file offset of segment in blocks */
56 __s64 bmv_block; /* starting block (64-bit daddr_t) */
57 __s64 bmv_length; /* length of segment, blocks */
58 __s32 bmv_count; /* # of entries in array incl. 1st */
59 __s32 bmv_entries; /* # of entries filled in (output). */
60 __s32 bmv_iflags; /* input flags (1st structure) */
61 __s32 bmv_oflags; /* output flags (after 1st structure)*/
62 __s32 bmv_unused1; /* future use */
63 __s32 bmv_unused2; /* future use */
64};
65#endif
66
67/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
68#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
69#define BMV_IF_NO_DMAPI_READ 0x2 /* Deprecated */
70#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
71#define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
72#define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
73#define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */
74#define BMV_IF_VALID \
75 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
76 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK)
77
78/* bmv_oflags values - returned for each non-header segment */
79#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
80#define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
81#define BMV_OF_LAST 0x4 /* segment is the last in the file */
82#define BMV_OF_SHARED 0x8 /* segment shared with another file */
83
84/* fmr_owner special values for FS_IOC_GETFSMAP */
85#define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */
86#define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */
87#define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */
88#define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */
89#define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */
90#define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */
91#define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */
92#define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */
93#define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */
94#define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */
95
96/*
97 * File segment locking set data type for 64 bit access.
98 * Also used for all the RESV/FREE interfaces.
99 */
100typedef struct xfs_flock64 {
101 __s16 l_type;
102 __s16 l_whence;
103 __s64 l_start;
104 __s64 l_len; /* len == 0 means until end of file */
105 __s32 l_sysid;
106 __u32 l_pid;
107 __s32 l_pad[4]; /* reserve area */
108} xfs_flock64_t;
109
110/*
111 * Output for XFS_IOC_FSGEOMETRY_V1
112 */
113struct xfs_fsop_geom_v1 {
114 __u32 blocksize; /* filesystem (data) block size */
115 __u32 rtextsize; /* realtime extent size */
116 __u32 agblocks; /* fsblocks in an AG */
117 __u32 agcount; /* number of allocation groups */
118 __u32 logblocks; /* fsblocks in the log */
119 __u32 sectsize; /* (data) sector size, bytes */
120 __u32 inodesize; /* inode size in bytes */
121 __u32 imaxpct; /* max allowed inode space(%) */
122 __u64 datablocks; /* fsblocks in data subvolume */
123 __u64 rtblocks; /* fsblocks in realtime subvol */
124 __u64 rtextents; /* rt extents in realtime subvol*/
125 __u64 logstart; /* starting fsblock of the log */
126 unsigned char uuid[16]; /* unique id of the filesystem */
127 __u32 sunit; /* stripe unit, fsblocks */
128 __u32 swidth; /* stripe width, fsblocks */
129 __s32 version; /* structure version */
130 __u32 flags; /* superblock version flags */
131 __u32 logsectsize; /* log sector size, bytes */
132 __u32 rtsectsize; /* realtime sector size, bytes */
133 __u32 dirblocksize; /* directory block size, bytes */
134};
135
136/*
137 * Output for XFS_IOC_FSGEOMETRY_V4
138 */
139struct xfs_fsop_geom_v4 {
140 __u32 blocksize; /* filesystem (data) block size */
141 __u32 rtextsize; /* realtime extent size */
142 __u32 agblocks; /* fsblocks in an AG */
143 __u32 agcount; /* number of allocation groups */
144 __u32 logblocks; /* fsblocks in the log */
145 __u32 sectsize; /* (data) sector size, bytes */
146 __u32 inodesize; /* inode size in bytes */
147 __u32 imaxpct; /* max allowed inode space(%) */
148 __u64 datablocks; /* fsblocks in data subvolume */
149 __u64 rtblocks; /* fsblocks in realtime subvol */
150 __u64 rtextents; /* rt extents in realtime subvol*/
151 __u64 logstart; /* starting fsblock of the log */
152 unsigned char uuid[16]; /* unique id of the filesystem */
153 __u32 sunit; /* stripe unit, fsblocks */
154 __u32 swidth; /* stripe width, fsblocks */
155 __s32 version; /* structure version */
156 __u32 flags; /* superblock version flags */
157 __u32 logsectsize; /* log sector size, bytes */
158 __u32 rtsectsize; /* realtime sector size, bytes */
159 __u32 dirblocksize; /* directory block size, bytes */
160 __u32 logsunit; /* log stripe unit, bytes */
161};
162
163/*
164 * Output for XFS_IOC_FSGEOMETRY
165 */
166struct xfs_fsop_geom {
167 __u32 blocksize; /* filesystem (data) block size */
168 __u32 rtextsize; /* realtime extent size */
169 __u32 agblocks; /* fsblocks in an AG */
170 __u32 agcount; /* number of allocation groups */
171 __u32 logblocks; /* fsblocks in the log */
172 __u32 sectsize; /* (data) sector size, bytes */
173 __u32 inodesize; /* inode size in bytes */
174 __u32 imaxpct; /* max allowed inode space(%) */
175 __u64 datablocks; /* fsblocks in data subvolume */
176 __u64 rtblocks; /* fsblocks in realtime subvol */
177 __u64 rtextents; /* rt extents in realtime subvol*/
178 __u64 logstart; /* starting fsblock of the log */
179 unsigned char uuid[16]; /* unique id of the filesystem */
180 __u32 sunit; /* stripe unit, fsblocks */
181 __u32 swidth; /* stripe width, fsblocks */
182 __s32 version; /* structure version */
183 __u32 flags; /* superblock version flags */
184 __u32 logsectsize; /* log sector size, bytes */
185 __u32 rtsectsize; /* realtime sector size, bytes */
186 __u32 dirblocksize; /* directory block size, bytes */
187 __u32 logsunit; /* log stripe unit, bytes */
188 uint32_t sick; /* o: unhealthy fs & rt metadata */
189 uint32_t checked; /* o: checked fs & rt metadata */
190 __u32 rgextents; /* rt extents in a realtime group */
191 __u32 rgcount; /* number of realtime groups */
192 __u64 reserved[16]; /* reserved space */
193};
194
195#define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */
196#define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */
197#define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */
198#define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */
199#define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */
200#define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */
201#define XFS_FSOP_GEOM_SICK_QUOTACHECK (1 << 6) /* quota counts */
202#define XFS_FSOP_GEOM_SICK_NLINKS (1 << 7) /* inode link counts */
203#define XFS_FSOP_GEOM_SICK_METADIR (1 << 8) /* metadata directory */
204#define XFS_FSOP_GEOM_SICK_METAPATH (1 << 9) /* metadir tree path */
205
206/* Output for XFS_FS_COUNTS */
207typedef struct xfs_fsop_counts {
208 __u64 freedata; /* free data section blocks */
209 __u64 freertx; /* free rt extents */
210 __u64 freeino; /* free inodes */
211 __u64 allocino; /* total allocated inodes */
212} xfs_fsop_counts_t;
213
214/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
215typedef struct xfs_fsop_resblks {
216 __u64 resblks;
217 __u64 resblks_avail;
218} xfs_fsop_resblks_t;
219
220#define XFS_FSOP_GEOM_VERSION 0
221#define XFS_FSOP_GEOM_VERSION_V5 5
222
223#define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */
224#define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */
225#define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */
226#define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */
227#define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */
228#define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */
229#define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */
230#define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */
231#define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */
232#define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */
233#define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */
234#define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */
235#define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */
236 /* -- Do not use -- (1 << 13) SGI parent pointers */
237#define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */
238#define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */
239#define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */
240#define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */
241#define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */
242#define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */
243#define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */
244#define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */
245#define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */
246#define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */
247#define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */
248#define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */
249#define XFS_FSOP_GEOM_FLAGS_METADIR (1 << 26) /* metadata directories */
250
251/*
252 * Minimum and maximum sizes need for growth checks.
253 *
254 * Block counts are in units of filesystem blocks, not basic blocks.
255 */
256#define XFS_MIN_AG_BLOCKS 64
257#define XFS_MIN_LOG_BLOCKS 512ULL
258#define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
259#define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
260
261/*
262 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than
263 * 16MB or larger than 1TB.
264 */
265#define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */
266#define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */
267#define XFS_MAX_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_BLOCKSIZE)
268#define XFS_MAX_CRC_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_CRC_BLOCKSIZE)
269
270#define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1))
271
272/* keep the maximum size under 2^31 by a small amount */
273#define XFS_MAX_LOG_BYTES \
274 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
275
276/* Used for sanity checks on superblock */
277#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
278#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
279 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
280
281/*
282 * Output for XFS_IOC_AG_GEOMETRY
283 */
284struct xfs_ag_geometry {
285 uint32_t ag_number; /* i/o: AG number */
286 uint32_t ag_length; /* o: length in blocks */
287 uint32_t ag_freeblks; /* o: free space */
288 uint32_t ag_icount; /* o: inodes allocated */
289 uint32_t ag_ifree; /* o: inodes free */
290 uint32_t ag_sick; /* o: sick things in ag */
291 uint32_t ag_checked; /* o: checked metadata in ag */
292 uint32_t ag_flags; /* i/o: flags for this ag */
293 uint64_t ag_reserved[12];/* o: zero */
294};
295#define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */
296#define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */
297#define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */
298#define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */
299#define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */
300#define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */
301#define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */
302#define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */
303#define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */
304#define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */
305#define XFS_AG_GEOM_SICK_INODES (1 << 10) /* bad inodes were seen */
306
307/*
308 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
309 */
310typedef struct xfs_growfs_data {
311 __u64 newblocks; /* new data subvol size, fsblocks */
312 __u32 imaxpct; /* new inode space percentage limit */
313} xfs_growfs_data_t;
314
315typedef struct xfs_growfs_log {
316 __u32 newblocks; /* new log size, fsblocks */
317 __u32 isint; /* 1 if new log is internal */
318} xfs_growfs_log_t;
319
320typedef struct xfs_growfs_rt {
321 __u64 newblocks; /* new realtime size, fsblocks */
322 __u32 extsize; /* new realtime extent size, fsblocks */
323} xfs_growfs_rt_t;
324
325
326/*
327 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
328 */
329typedef struct xfs_bstime {
330 __kernel_long_t tv_sec; /* seconds */
331 __s32 tv_nsec; /* and nanoseconds */
332} xfs_bstime_t;
333
334struct xfs_bstat {
335 __u64 bs_ino; /* inode number */
336 __u16 bs_mode; /* type and mode */
337 __u16 bs_nlink; /* number of links */
338 __u32 bs_uid; /* user id */
339 __u32 bs_gid; /* group id */
340 __u32 bs_rdev; /* device value */
341 __s32 bs_blksize; /* block size */
342 __s64 bs_size; /* file size */
343 xfs_bstime_t bs_atime; /* access time */
344 xfs_bstime_t bs_mtime; /* modify time */
345 xfs_bstime_t bs_ctime; /* inode change time */
346 int64_t bs_blocks; /* number of blocks */
347 __u32 bs_xflags; /* extended flags */
348 __s32 bs_extsize; /* extent size */
349 __s32 bs_extents; /* number of extents */
350 __u32 bs_gen; /* generation count */
351 __u16 bs_projid_lo; /* lower part of project id */
352#define bs_projid bs_projid_lo /* (previously just bs_projid) */
353 __u16 bs_forkoff; /* inode fork offset in bytes */
354 __u16 bs_projid_hi; /* higher part of project id */
355 uint16_t bs_sick; /* sick inode metadata */
356 uint16_t bs_checked; /* checked inode metadata */
357 unsigned char bs_pad[2]; /* pad space, unused */
358 __u32 bs_cowextsize; /* cow extent size */
359 __u32 bs_dmevmask; /* DMIG event mask */
360 __u16 bs_dmstate; /* DMIG state info */
361 __u16 bs_aextents; /* attribute number of extents */
362};
363
364/* New bulkstat structure that reports v5 features and fixes padding issues */
365struct xfs_bulkstat {
366 uint64_t bs_ino; /* inode number */
367 uint64_t bs_size; /* file size */
368
369 uint64_t bs_blocks; /* number of blocks */
370 uint64_t bs_xflags; /* extended flags */
371
372 int64_t bs_atime; /* access time, seconds */
373 int64_t bs_mtime; /* modify time, seconds */
374
375 int64_t bs_ctime; /* inode change time, seconds */
376 int64_t bs_btime; /* creation time, seconds */
377
378 uint32_t bs_gen; /* generation count */
379 uint32_t bs_uid; /* user id */
380 uint32_t bs_gid; /* group id */
381 uint32_t bs_projectid; /* project id */
382
383 uint32_t bs_atime_nsec; /* access time, nanoseconds */
384 uint32_t bs_mtime_nsec; /* modify time, nanoseconds */
385 uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */
386 uint32_t bs_btime_nsec; /* creation time, nanoseconds */
387
388 uint32_t bs_blksize; /* block size */
389 uint32_t bs_rdev; /* device value */
390 uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */
391 uint32_t bs_extsize_blks; /* extent size hint, blocks */
392
393 uint32_t bs_nlink; /* number of links */
394 uint32_t bs_extents; /* 32-bit data fork extent counter */
395 uint32_t bs_aextents; /* attribute number of extents */
396 uint16_t bs_version; /* structure version */
397 uint16_t bs_forkoff; /* inode fork offset in bytes */
398
399 uint16_t bs_sick; /* sick inode metadata */
400 uint16_t bs_checked; /* checked inode metadata */
401 uint16_t bs_mode; /* type and mode */
402 uint16_t bs_pad2; /* zeroed */
403 uint64_t bs_extents64; /* 64-bit data fork extent counter */
404
405 uint64_t bs_pad[6]; /* zeroed */
406};
407
408#define XFS_BULKSTAT_VERSION_V1 (1)
409#define XFS_BULKSTAT_VERSION_V5 (5)
410
411/* bs_sick flags */
412#define XFS_BS_SICK_INODE (1 << 0) /* inode core */
413#define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */
414#define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */
415#define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */
416#define XFS_BS_SICK_DIR (1 << 4) /* directory */
417#define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */
418#define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */
419#define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */
420#define XFS_BS_SICK_DIRTREE (1 << 8) /* directory tree structure */
421
422/*
423 * Project quota id helpers (previously projid was 16bit only
424 * and using two 16bit values to hold new 32bit projid was chosen
425 * to retain compatibility with "old" filesystems).
426 */
427static inline uint32_t
428bstat_get_projid(const struct xfs_bstat *bs)
429{
430 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
431}
432
433/*
434 * The user-level BulkStat Request interface structure.
435 */
436struct xfs_fsop_bulkreq {
437 __u64 __user *lastip; /* last inode # pointer */
438 __s32 icount; /* count of entries in buffer */
439 void __user *ubuffer;/* user buffer for inode desc. */
440 __s32 __user *ocount; /* output count pointer */
441};
442
443/*
444 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
445 */
446struct xfs_inogrp {
447 __u64 xi_startino; /* starting inode number */
448 __s32 xi_alloccount; /* # bits set in allocmask */
449 __u64 xi_allocmask; /* mask of allocated inodes */
450};
451
452/* New inumbers structure that reports v5 features and fixes padding issues */
453struct xfs_inumbers {
454 uint64_t xi_startino; /* starting inode number */
455 uint64_t xi_allocmask; /* mask of allocated inodes */
456 uint8_t xi_alloccount; /* # bits set in allocmask */
457 uint8_t xi_version; /* version */
458 uint8_t xi_padding[6]; /* zero */
459};
460
461#define XFS_INUMBERS_VERSION_V1 (1)
462#define XFS_INUMBERS_VERSION_V5 (5)
463
464/* Header for bulk inode requests. */
465struct xfs_bulk_ireq {
466 uint64_t ino; /* I/O: start with this inode */
467 uint32_t flags; /* I/O: operation flags */
468 uint32_t icount; /* I: count of entries in buffer */
469 uint32_t ocount; /* O: count of entries filled out */
470 uint32_t agno; /* I: see comment for IREQ_AGNO */
471 uint64_t reserved[5]; /* must be zero */
472};
473
474/*
475 * Only return results from the specified @agno. If @ino is zero, start
476 * with the first inode of @agno.
477 */
478#define XFS_BULK_IREQ_AGNO (1U << 0)
479
480/*
481 * Return bulkstat information for a single inode, where @ino value is a
482 * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_*
483 * values below. Not compatible with XFS_BULK_IREQ_AGNO.
484 */
485#define XFS_BULK_IREQ_SPECIAL (1U << 1)
486
487/*
488 * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign
489 * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use
490 * xfs_bulkstat->bs_extents for returning data fork extent count and set
491 * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and
492 * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than
493 * XFS_MAX_EXTCNT_DATA_FORK_OLD.
494 */
495#define XFS_BULK_IREQ_NREXT64 (1U << 2)
496
497/*
498 * Allow bulkstat to return information about metadata directories. This
499 * enables xfs_scrub to find them for scanning, as they are otherwise ordinary
500 * directories.
501 */
502#define XFS_BULK_IREQ_METADIR (1U << 3)
503
504#define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \
505 XFS_BULK_IREQ_SPECIAL | \
506 XFS_BULK_IREQ_NREXT64 | \
507 XFS_BULK_IREQ_METADIR)
508
509/* Operate on the root directory inode. */
510#define XFS_BULK_IREQ_SPECIAL_ROOT (1)
511
512/*
513 * ioctl structures for v5 bulkstat and inumbers requests
514 */
515struct xfs_bulkstat_req {
516 struct xfs_bulk_ireq hdr;
517 struct xfs_bulkstat bulkstat[];
518};
519#define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \
520 (nr) * sizeof(struct xfs_bulkstat))
521
522struct xfs_inumbers_req {
523 struct xfs_bulk_ireq hdr;
524 struct xfs_inumbers inumbers[];
525};
526#define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \
527 (nr) * sizeof(struct xfs_inumbers))
528
529/*
530 * Error injection.
531 */
532typedef struct xfs_error_injection {
533 __s32 fd;
534 __s32 errtag;
535} xfs_error_injection_t;
536
537
538/*
539 * Speculative preallocation trimming.
540 */
541#define XFS_EOFBLOCKS_VERSION 1
542struct xfs_fs_eofblocks {
543 __u32 eof_version;
544 __u32 eof_flags;
545 uid_t eof_uid;
546 gid_t eof_gid;
547 prid_t eof_prid;
548 __u32 pad32;
549 __u64 eof_min_file_size;
550 __u64 pad64[12];
551};
552
553/* eof_flags values */
554#define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
555#define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
556#define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
557#define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
558#define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
559#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
560 * kernel only, not included in
561 * valid mask */
562#define XFS_EOF_FLAGS_VALID \
563 (XFS_EOF_FLAGS_SYNC | \
564 XFS_EOF_FLAGS_UID | \
565 XFS_EOF_FLAGS_GID | \
566 XFS_EOF_FLAGS_PRID | \
567 XFS_EOF_FLAGS_MINFILESIZE)
568
569
570/*
571 * The user-level Handle Request interface structure.
572 */
573typedef struct xfs_fsop_handlereq {
574 __u32 fd; /* fd for FD_TO_HANDLE */
575 void __user *path; /* user pathname */
576 __u32 oflags; /* open flags */
577 void __user *ihandle;/* user supplied handle */
578 __u32 ihandlen; /* user supplied length */
579 void __user *ohandle;/* user buffer for handle */
580 __u32 __user *ohandlen;/* user buffer length */
581} xfs_fsop_handlereq_t;
582
583/*
584 * Compound structures for passing args through Handle Request interfaces
585 * xfs_attrlist_by_handle, xfs_attrmulti_by_handle
586 * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE
587 */
588
589/*
590 * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface.
591 *
592 * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix.
593 */
594#define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */
595#define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */
596#define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */
597#define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */
598
599typedef struct xfs_attrlist_cursor {
600 __u32 opaque[4];
601} xfs_attrlist_cursor_t;
602
603/*
604 * Define how lists of attribute names are returned to userspace from the
605 * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the
606 * beginning of the returned buffer, and a each entry in al_offset contains the
607 * relative offset of an xfs_attrlist_ent containing the actual entry.
608 *
609 * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and
610 * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr.
611 */
612struct xfs_attrlist {
613 __s32 al_count; /* number of entries in attrlist */
614 __s32 al_more; /* T/F: more attrs (do call again) */
615 __s32 al_offset[]; /* byte offsets of attrs [var-sized] */
616};
617
618struct xfs_attrlist_ent { /* data from attr_list() */
619 __u32 a_valuelen; /* number bytes in value of attr */
620 char a_name[]; /* attr name (NULL terminated) */
621};
622
623typedef struct xfs_fsop_attrlist_handlereq {
624 struct xfs_fsop_handlereq hreq; /* handle interface structure */
625 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
626 __u32 flags; /* which namespace to use */
627 __u32 buflen; /* length of buffer supplied */
628 void __user *buffer; /* returned names */
629} xfs_fsop_attrlist_handlereq_t;
630
631typedef struct xfs_attr_multiop {
632 __u32 am_opcode;
633#define ATTR_OP_GET 1 /* return the indicated attr's value */
634#define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
635#define ATTR_OP_REMOVE 3 /* remove the indicated attr */
636 __s32 am_error;
637 void __user *am_attrname;
638 void __user *am_attrvalue;
639 __u32 am_length;
640 __u32 am_flags; /* XFS_IOC_ATTR_* */
641} xfs_attr_multiop_t;
642
643typedef struct xfs_fsop_attrmulti_handlereq {
644 struct xfs_fsop_handlereq hreq; /* handle interface structure */
645 __u32 opcount;/* count of following multiop */
646 struct xfs_attr_multiop __user *ops; /* attr_multi data */
647} xfs_fsop_attrmulti_handlereq_t;
648
649/*
650 * per machine unique filesystem identifier types.
651 */
652typedef struct xfs_fsid {
653 __u32 val[2]; /* file system id type */
654} xfs_fsid_t;
655
656typedef struct xfs_fid {
657 __u16 fid_len; /* length of remainder */
658 __u16 fid_pad;
659 __u32 fid_gen; /* generation number */
660 __u64 fid_ino; /* 64 bits inode number */
661} xfs_fid_t;
662
663typedef struct xfs_handle {
664 union {
665 __s64 align; /* force alignment of ha_fid */
666 xfs_fsid_t _ha_fsid; /* unique file system identifier */
667 } ha_u;
668 xfs_fid_t ha_fid; /* file system specific file ID */
669} xfs_handle_t;
670#define ha_fsid ha_u._ha_fsid
671
672/*
673 * Structure passed to XFS_IOC_SWAPEXT
674 */
675typedef struct xfs_swapext
676{
677 int64_t sx_version; /* version */
678#define XFS_SX_VERSION 0
679 int64_t sx_fdtarget; /* fd of target file */
680 int64_t sx_fdtmp; /* fd of tmp file */
681 xfs_off_t sx_offset; /* offset into file */
682 xfs_off_t sx_length; /* leng from offset */
683 char sx_pad[16]; /* pad space, unused */
684 struct xfs_bstat sx_stat; /* stat of target b4 copy */
685} xfs_swapext_t;
686
687/*
688 * Flags for going down operation
689 */
690#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
691#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
692#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
693
694/* metadata scrubbing */
695struct xfs_scrub_metadata {
696 __u32 sm_type; /* What to check? */
697 __u32 sm_flags; /* flags; see below. */
698 __u64 sm_ino; /* inode number. */
699 __u32 sm_gen; /* inode generation. */
700 __u32 sm_agno; /* ag number. */
701 __u64 sm_reserved[5]; /* pad to 64 bytes */
702};
703
704/*
705 * Metadata types and flags for scrub operation.
706 */
707
708/* Scrub subcommands. */
709#define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */
710#define XFS_SCRUB_TYPE_SB 1 /* superblock */
711#define XFS_SCRUB_TYPE_AGF 2 /* AG free header */
712#define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */
713#define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */
714#define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */
715#define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */
716#define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */
717#define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
718#define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
719#define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */
720#define XFS_SCRUB_TYPE_INODE 11 /* inode record */
721#define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */
722#define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */
723#define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */
724#define XFS_SCRUB_TYPE_DIR 15 /* directory */
725#define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */
726#define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */
727#define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */
728#define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */
729#define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */
730#define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */
731#define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
732#define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
733#define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */
734#define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */
735#define XFS_SCRUB_TYPE_NLINKS 26 /* inode link counts */
736#define XFS_SCRUB_TYPE_HEALTHY 27 /* everything checked out ok */
737#define XFS_SCRUB_TYPE_DIRTREE 28 /* directory tree structure */
738#define XFS_SCRUB_TYPE_METAPATH 29 /* metadata directory tree paths */
739#define XFS_SCRUB_TYPE_RGSUPER 30 /* realtime superblock */
740
741/* Number of scrub subcommands. */
742#define XFS_SCRUB_TYPE_NR 31
743
744/*
745 * This special type code only applies to the vectored scrub implementation.
746 *
747 * If any of the previous scrub vectors recorded runtime errors or have
748 * sv_flags bits set that match the OFLAG bits in the barrier vector's
749 * sv_flags, set the barrier's sv_ret to -ECANCELED and return to userspace.
750 */
751#define XFS_SCRUB_TYPE_BARRIER (0xFFFFFFFF)
752
753/* i: Repair this metadata. */
754#define XFS_SCRUB_IFLAG_REPAIR (1u << 0)
755
756/* o: Metadata object needs repair. */
757#define XFS_SCRUB_OFLAG_CORRUPT (1u << 1)
758
759/*
760 * o: Metadata object could be optimized. It's not corrupt, but
761 * we could improve on it somehow.
762 */
763#define XFS_SCRUB_OFLAG_PREEN (1u << 2)
764
765/* o: Cross-referencing failed. */
766#define XFS_SCRUB_OFLAG_XFAIL (1u << 3)
767
768/* o: Metadata object disagrees with cross-referenced metadata. */
769#define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4)
770
771/* o: Scan was not complete. */
772#define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5)
773
774/* o: Metadata object looked funny but isn't corrupt. */
775#define XFS_SCRUB_OFLAG_WARNING (1u << 6)
776
777/*
778 * o: IFLAG_REPAIR was set but metadata object did not need fixing or
779 * optimization and has therefore not been altered.
780 */
781#define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1u << 7)
782
783/* i: Rebuild the data structure. */
784#define XFS_SCRUB_IFLAG_FORCE_REBUILD (1u << 8)
785
786#define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR | \
787 XFS_SCRUB_IFLAG_FORCE_REBUILD)
788#define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \
789 XFS_SCRUB_OFLAG_PREEN | \
790 XFS_SCRUB_OFLAG_XFAIL | \
791 XFS_SCRUB_OFLAG_XCORRUPT | \
792 XFS_SCRUB_OFLAG_INCOMPLETE | \
793 XFS_SCRUB_OFLAG_WARNING | \
794 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED)
795#define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT)
796
797/* Vectored scrub calls to reduce the number of kernel transitions. */
798
799struct xfs_scrub_vec {
800 __u32 sv_type; /* XFS_SCRUB_TYPE_* */
801 __u32 sv_flags; /* XFS_SCRUB_FLAGS_* */
802 __s32 sv_ret; /* 0 or a negative error code */
803 __u32 sv_reserved; /* must be zero */
804};
805
806/* Vectored metadata scrub control structure. */
807struct xfs_scrub_vec_head {
808 __u64 svh_ino; /* inode number. */
809 __u32 svh_gen; /* inode generation. */
810 __u32 svh_agno; /* ag number. */
811 __u32 svh_flags; /* XFS_SCRUB_VEC_FLAGS_* */
812 __u16 svh_rest_us; /* wait this much time between vector items */
813 __u16 svh_nr; /* number of svh_vectors */
814 __u64 svh_reserved; /* must be zero */
815 __u64 svh_vectors; /* pointer to buffer of xfs_scrub_vec */
816};
817
818#define XFS_SCRUB_VEC_FLAGS_ALL (0)
819
820/*
821 * i: sm_ino values for XFS_SCRUB_TYPE_METAPATH to select a metadata file for
822 * path checking.
823 */
824#define XFS_SCRUB_METAPATH_PROBE (0) /* do we have a metapath scrubber? */
825#define XFS_SCRUB_METAPATH_RTDIR (1) /* rtrgroups metadir */
826#define XFS_SCRUB_METAPATH_RTBITMAP (2) /* per-rtg bitmap */
827#define XFS_SCRUB_METAPATH_RTSUMMARY (3) /* per-rtg summary */
828#define XFS_SCRUB_METAPATH_QUOTADIR (4) /* quota metadir */
829#define XFS_SCRUB_METAPATH_USRQUOTA (5) /* user quota */
830#define XFS_SCRUB_METAPATH_GRPQUOTA (6) /* group quota */
831#define XFS_SCRUB_METAPATH_PRJQUOTA (7) /* project quota */
832
833/* Number of metapath sm_ino values */
834#define XFS_SCRUB_METAPATH_NR (8)
835
836/*
837 * ioctl limits
838 */
839#ifdef XATTR_LIST_MAX
840# define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
841#else
842# define XFS_XATTR_LIST_MAX 65536
843#endif
844
845/*
846 * Exchange part of file1 with part of the file that this ioctl that is being
847 * called against (which we'll call file2). Filesystems must be able to
848 * restart and complete the operation even after the system goes down.
849 */
850struct xfs_exchange_range {
851 __s32 file1_fd;
852 __u32 pad; /* must be zeroes */
853 __u64 file1_offset; /* file1 offset, bytes */
854 __u64 file2_offset; /* file2 offset, bytes */
855 __u64 length; /* bytes to exchange */
856
857 __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */
858};
859
860/*
861 * Using the same definition of file2 as struct xfs_exchange_range, commit the
862 * contents of file1 into file2 if file2 has the same inode number, mtime, and
863 * ctime as the arguments provided to the call. The old contents of file2 will
864 * be moved to file1.
865 *
866 * Returns -EBUSY if there isn't an exact match for the file2 fields.
867 *
868 * Filesystems must be able to restart and complete the operation even after
869 * the system goes down.
870 */
871struct xfs_commit_range {
872 __s32 file1_fd;
873 __u32 pad; /* must be zeroes */
874 __u64 file1_offset; /* file1 offset, bytes */
875 __u64 file2_offset; /* file2 offset, bytes */
876 __u64 length; /* bytes to exchange */
877
878 __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */
879
880 /* opaque file2 metadata for freshness checks */
881 __u64 file2_freshness[6];
882};
883
884/*
885 * Exchange file data all the way to the ends of both files, and then exchange
886 * the file sizes. This flag can be used to replace a file's contents with a
887 * different amount of data. length will be ignored.
888 */
889#define XFS_EXCHANGE_RANGE_TO_EOF (1ULL << 0)
890
891/* Flush all changes in file data and file metadata to disk before returning. */
892#define XFS_EXCHANGE_RANGE_DSYNC (1ULL << 1)
893
894/* Dry run; do all the parameter verification but do not change anything. */
895#define XFS_EXCHANGE_RANGE_DRY_RUN (1ULL << 2)
896
897/*
898 * Exchange only the parts of the two files where the file allocation units
899 * mapped to file1's range have been written to. This can accelerate
900 * scatter-gather atomic writes with a temp file if all writes are aligned to
901 * the file allocation unit.
902 */
903#define XFS_EXCHANGE_RANGE_FILE1_WRITTEN (1ULL << 3)
904
905#define XFS_EXCHANGE_RANGE_ALL_FLAGS (XFS_EXCHANGE_RANGE_TO_EOF | \
906 XFS_EXCHANGE_RANGE_DSYNC | \
907 XFS_EXCHANGE_RANGE_DRY_RUN | \
908 XFS_EXCHANGE_RANGE_FILE1_WRITTEN)
909
910/* Iterating parent pointers of files. */
911
912/* target was the root directory */
913#define XFS_GETPARENTS_OFLAG_ROOT (1U << 0)
914
915/* Cursor is done iterating pptrs */
916#define XFS_GETPARENTS_OFLAG_DONE (1U << 1)
917
918#define XFS_GETPARENTS_OFLAGS_ALL (XFS_GETPARENTS_OFLAG_ROOT | \
919 XFS_GETPARENTS_OFLAG_DONE)
920
921#define XFS_GETPARENTS_IFLAGS_ALL (0)
922
923struct xfs_getparents_rec {
924 struct xfs_handle gpr_parent; /* Handle to parent */
925 __u32 gpr_reclen; /* Length of entire record */
926 __u32 gpr_reserved; /* zero */
927 char gpr_name[]; /* Null-terminated filename */
928};
929
930/* Iterate through this file's directory parent pointers */
931struct xfs_getparents {
932 /*
933 * Structure to track progress in iterating the parent pointers.
934 * Must be initialized to zeroes before the first ioctl call, and
935 * not touched by callers after that.
936 */
937 struct xfs_attrlist_cursor gp_cursor;
938
939 /* Input flags: XFS_GETPARENTS_IFLAG* */
940 __u16 gp_iflags;
941
942 /* Output flags: XFS_GETPARENTS_OFLAG* */
943 __u16 gp_oflags;
944
945 /* Size of the gp_buffer in bytes */
946 __u32 gp_bufsize;
947
948 /* Must be set to zero */
949 __u64 gp_reserved;
950
951 /* Pointer to a buffer in which to place xfs_getparents_rec */
952 __u64 gp_buffer;
953};
954
955static inline struct xfs_getparents_rec *
956xfs_getparents_first_rec(struct xfs_getparents *gp)
957{
958 return (struct xfs_getparents_rec *)(uintptr_t)gp->gp_buffer;
959}
960
961static inline struct xfs_getparents_rec *
962xfs_getparents_next_rec(struct xfs_getparents *gp,
963 struct xfs_getparents_rec *gpr)
964{
965 void *next = ((char *)gpr + gpr->gpr_reclen);
966 void *end = (void *)(uintptr_t)(gp->gp_buffer + gp->gp_bufsize);
967
968 if (next >= end)
969 return NULL;
970
971 return (struct xfs_getparents_rec *)next;
972}
973
974/* Iterate through this file handle's directory parent pointers. */
975struct xfs_getparents_by_handle {
976 /* Handle to file whose parents we want. */
977 struct xfs_handle gph_handle;
978
979 struct xfs_getparents gph_request;
980};
981
982/*
983 * Output for XFS_IOC_RTGROUP_GEOMETRY
984 */
985struct xfs_rtgroup_geometry {
986 __u32 rg_number; /* i/o: rtgroup number */
987 __u32 rg_length; /* o: length in blocks */
988 __u32 rg_sick; /* o: sick things in ag */
989 __u32 rg_checked; /* o: checked metadata in ag */
990 __u32 rg_flags; /* i/o: flags for this ag */
991 __u32 rg_reserved[27]; /* o: zero */
992};
993#define XFS_RTGROUP_GEOM_SICK_SUPER (1U << 0) /* superblock */
994#define XFS_RTGROUP_GEOM_SICK_BITMAP (1U << 1) /* rtbitmap */
995#define XFS_RTGROUP_GEOM_SICK_SUMMARY (1U << 2) /* rtsummary */
996
997/*
998 * ioctl commands that are used by Linux filesystems
999 */
1000#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
1001#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
1002#define XFS_IOC_GETVERSION FS_IOC_GETVERSION
1003
1004/*
1005 * ioctl commands that replace IRIX fcntl()'s
1006 * For 'documentation' purposed more than anything else,
1007 * the "cmd #" field reflects the IRIX fcntl number.
1008 */
1009/* XFS_IOC_ALLOCSP ------- deprecated 10 */
1010/* XFS_IOC_FREESP -------- deprecated 11 */
1011#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
1012#define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
1013#define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
1014/* XFS_IOC_ALLOCSP64 ----- deprecated 36 */
1015/* XFS_IOC_FREESP64 ------ deprecated 37 */
1016#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
1017/* XFS_IOC_FSSETDM ------- deprecated 39 */
1018#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
1019#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
1020#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
1021#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
1022#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
1023#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
1024/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
1025/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
1026#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
1027#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
1028#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
1029/* XFS_IOC_GETFSMAP ------ hoisted 59 */
1030#define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata)
1031#define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry)
1032#define XFS_IOC_GETPARENTS _IOWR('X', 62, struct xfs_getparents)
1033#define XFS_IOC_GETPARENTS_BY_HANDLE _IOWR('X', 63, struct xfs_getparents_by_handle)
1034#define XFS_IOC_SCRUBV_METADATA _IOWR('X', 64, struct xfs_scrub_vec_head)
1035#define XFS_IOC_RTGROUP_GEOMETRY _IOWR('X', 65, struct xfs_rtgroup_geometry)
1036
1037/*
1038 * ioctl commands that replace IRIX syssgi()'s
1039 */
1040#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
1041#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
1042#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
1043#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
1044#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
1045#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
1046#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
1047#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
1048#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
1049#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
1050#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
1051#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
1052#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
1053#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
1054#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
1055#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
1056#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
1057#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
1058/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
1059
1060#define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
1061#define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
1062
1063/* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */
1064#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
1065#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
1066#define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4)
1067#define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)
1068#define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom)
1069#define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req)
1070#define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req)
1071#define XFS_IOC_EXCHANGE_RANGE _IOW ('X', 129, struct xfs_exchange_range)
1072#define XFS_IOC_START_COMMIT _IOR ('X', 130, struct xfs_commit_range)
1073#define XFS_IOC_COMMIT_RANGE _IOW ('X', 131, struct xfs_commit_range)
1074/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
1075
1076
1077#ifndef HAVE_BBMACROS
1078/*
1079 * Block I/O parameterization. A basic block (BB) is the lowest size of
1080 * filesystem allocation, and must equal 512. Length units given to bio
1081 * routines are in BB's.
1082 */
1083#define BBSHIFT 9
1084#define BBSIZE (1<<BBSHIFT)
1085#define BBMASK (BBSIZE-1)
1086#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
1087#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
1088#define BBTOB(bbs) ((bbs) << BBSHIFT)
1089#endif
1090
1091#endif /* __XFS_FS_H__ */