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 /* Do not generate DMAPI read event */
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 * Structure for XFS_IOC_FSSETDM.
97 * For use by backup and restore programs to set the XFS on-disk inode
98 * fields di_dmevmask and di_dmstate. These must be set to exactly and
99 * only values previously obtained via xfs_bulkstat! (Specifically the
100 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
101 */
102 #ifndef HAVE_FSDMIDATA
103 struct fsdmidata {
104 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
105 __u16 fsd_padding;
106 __u16 fsd_dmstate; /* corresponds to di_dmstate */
107 };
108 #endif
109
110 /*
111 * File segment locking set data type for 64 bit access.
112 * Also used for all the RESV/FREE interfaces.
113 */
114 typedef struct xfs_flock64 {
115 __s16 l_type;
116 __s16 l_whence;
117 __s64 l_start;
118 __s64 l_len; /* len == 0 means until end of file */
119 __s32 l_sysid;
120 __u32 l_pid;
121 __s32 l_pad[4]; /* reserve area */
122 } xfs_flock64_t;
123
124 /*
125 * Output for XFS_IOC_FSGEOMETRY_V1
126 */
127 typedef struct xfs_fsop_geom_v1 {
128 __u32 blocksize; /* filesystem (data) block size */
129 __u32 rtextsize; /* realtime extent size */
130 __u32 agblocks; /* fsblocks in an AG */
131 __u32 agcount; /* number of allocation groups */
132 __u32 logblocks; /* fsblocks in the log */
133 __u32 sectsize; /* (data) sector size, bytes */
134 __u32 inodesize; /* inode size in bytes */
135 __u32 imaxpct; /* max allowed inode space(%) */
136 __u64 datablocks; /* fsblocks in data subvolume */
137 __u64 rtblocks; /* fsblocks in realtime subvol */
138 __u64 rtextents; /* rt extents in realtime subvol*/
139 __u64 logstart; /* starting fsblock of the log */
140 unsigned char uuid[16]; /* unique id of the filesystem */
141 __u32 sunit; /* stripe unit, fsblocks */
142 __u32 swidth; /* stripe width, fsblocks */
143 __s32 version; /* structure version */
144 __u32 flags; /* superblock version flags */
145 __u32 logsectsize; /* log sector size, bytes */
146 __u32 rtsectsize; /* realtime sector size, bytes */
147 __u32 dirblocksize; /* directory block size, bytes */
148 } xfs_fsop_geom_v1_t;
149
150 /*
151 * Output for XFS_IOC_FSGEOMETRY
152 */
153 typedef struct xfs_fsop_geom {
154 __u32 blocksize; /* filesystem (data) block size */
155 __u32 rtextsize; /* realtime extent size */
156 __u32 agblocks; /* fsblocks in an AG */
157 __u32 agcount; /* number of allocation groups */
158 __u32 logblocks; /* fsblocks in the log */
159 __u32 sectsize; /* (data) sector size, bytes */
160 __u32 inodesize; /* inode size in bytes */
161 __u32 imaxpct; /* max allowed inode space(%) */
162 __u64 datablocks; /* fsblocks in data subvolume */
163 __u64 rtblocks; /* fsblocks in realtime subvol */
164 __u64 rtextents; /* rt extents in realtime subvol*/
165 __u64 logstart; /* starting fsblock of the log */
166 unsigned char uuid[16]; /* unique id of the filesystem */
167 __u32 sunit; /* stripe unit, fsblocks */
168 __u32 swidth; /* stripe width, fsblocks */
169 __s32 version; /* structure version */
170 __u32 flags; /* superblock version flags */
171 __u32 logsectsize; /* log sector size, bytes */
172 __u32 rtsectsize; /* realtime sector size, bytes */
173 __u32 dirblocksize; /* directory block size, bytes */
174 __u32 logsunit; /* log stripe unit, bytes */
175 } xfs_fsop_geom_t;
176
177 /* Output for XFS_FS_COUNTS */
178 typedef struct xfs_fsop_counts {
179 __u64 freedata; /* free data section blocks */
180 __u64 freertx; /* free rt extents */
181 __u64 freeino; /* free inodes */
182 __u64 allocino; /* total allocated inodes */
183 } xfs_fsop_counts_t;
184
185 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
186 typedef struct xfs_fsop_resblks {
187 __u64 resblks;
188 __u64 resblks_avail;
189 } xfs_fsop_resblks_t;
190
191 #define XFS_FSOP_GEOM_VERSION 0
192
193 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
194 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
195 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
196 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
197 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
198 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
199 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
200 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
201 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
202 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
203 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
204 #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */
205 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
206 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
207 #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
208 #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
209 #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
210 #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */
211 #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */
212 #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */
213
214 /*
215 * Minimum and maximum sizes need for growth checks.
216 *
217 * Block counts are in units of filesystem blocks, not basic blocks.
218 */
219 #define XFS_MIN_AG_BLOCKS 64
220 #define XFS_MIN_LOG_BLOCKS 512ULL
221 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
222 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
223
224 /*
225 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than
226 * 16MB or larger than 1TB.
227 */
228 #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */
229 #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */
230
231 /* keep the maximum size under 2^31 by a small amount */
232 #define XFS_MAX_LOG_BYTES \
233 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
234
235 /* Used for sanity checks on superblock */
236 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
237 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
238 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
239
240 /*
241 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
242 */
243 typedef struct xfs_growfs_data {
244 __u64 newblocks; /* new data subvol size, fsblocks */
245 __u32 imaxpct; /* new inode space percentage limit */
246 } xfs_growfs_data_t;
247
248 typedef struct xfs_growfs_log {
249 __u32 newblocks; /* new log size, fsblocks */
250 __u32 isint; /* 1 if new log is internal */
251 } xfs_growfs_log_t;
252
253 typedef struct xfs_growfs_rt {
254 __u64 newblocks; /* new realtime size, fsblocks */
255 __u32 extsize; /* new realtime extent size, fsblocks */
256 } xfs_growfs_rt_t;
257
258
259 /*
260 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
261 */
262 typedef struct xfs_bstime {
263 time_t tv_sec; /* seconds */
264 __s32 tv_nsec; /* and nanoseconds */
265 } xfs_bstime_t;
266
267 typedef struct xfs_bstat {
268 __u64 bs_ino; /* inode number */
269 __u16 bs_mode; /* type and mode */
270 __u16 bs_nlink; /* number of links */
271 __u32 bs_uid; /* user id */
272 __u32 bs_gid; /* group id */
273 __u32 bs_rdev; /* device value */
274 __s32 bs_blksize; /* block size */
275 __s64 bs_size; /* file size */
276 xfs_bstime_t bs_atime; /* access time */
277 xfs_bstime_t bs_mtime; /* modify time */
278 xfs_bstime_t bs_ctime; /* inode change time */
279 int64_t bs_blocks; /* number of blocks */
280 __u32 bs_xflags; /* extended flags */
281 __s32 bs_extsize; /* extent size */
282 __s32 bs_extents; /* number of extents */
283 __u32 bs_gen; /* generation count */
284 __u16 bs_projid_lo; /* lower part of project id */
285 #define bs_projid bs_projid_lo /* (previously just bs_projid) */
286 __u16 bs_forkoff; /* inode fork offset in bytes */
287 __u16 bs_projid_hi; /* higher part of project id */
288 unsigned char bs_pad[6]; /* pad space, unused */
289 __u32 bs_cowextsize; /* cow extent size */
290 __u32 bs_dmevmask; /* DMIG event mask */
291 __u16 bs_dmstate; /* DMIG state info */
292 __u16 bs_aextents; /* attribute number of extents */
293 } xfs_bstat_t;
294
295 /*
296 * Project quota id helpers (previously projid was 16bit only
297 * and using two 16bit values to hold new 32bit projid was choosen
298 * to retain compatibility with "old" filesystems).
299 */
300 static inline uint32_t
bstat_get_projid(struct xfs_bstat * bs)301 bstat_get_projid(struct xfs_bstat *bs)
302 {
303 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
304 }
305
306 /*
307 * The user-level BulkStat Request interface structure.
308 */
309 typedef struct xfs_fsop_bulkreq {
310 __u64 __user *lastip; /* last inode # pointer */
311 __s32 icount; /* count of entries in buffer */
312 void __user *ubuffer;/* user buffer for inode desc. */
313 __s32 __user *ocount; /* output count pointer */
314 } xfs_fsop_bulkreq_t;
315
316
317 /*
318 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
319 */
320 typedef struct xfs_inogrp {
321 __u64 xi_startino; /* starting inode number */
322 __s32 xi_alloccount; /* # bits set in allocmask */
323 __u64 xi_allocmask; /* mask of allocated inodes */
324 } xfs_inogrp_t;
325
326
327 /*
328 * Error injection.
329 */
330 typedef struct xfs_error_injection {
331 __s32 fd;
332 __s32 errtag;
333 } xfs_error_injection_t;
334
335
336 /*
337 * Speculative preallocation trimming.
338 */
339 #define XFS_EOFBLOCKS_VERSION 1
340 struct xfs_fs_eofblocks {
341 __u32 eof_version;
342 __u32 eof_flags;
343 uid_t eof_uid;
344 gid_t eof_gid;
345 prid_t eof_prid;
346 __u32 pad32;
347 __u64 eof_min_file_size;
348 __u64 pad64[12];
349 };
350
351 /* eof_flags values */
352 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
353 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
354 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
355 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
356 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
357 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
358 * kernel only, not included in
359 * valid mask */
360 #define XFS_EOF_FLAGS_VALID \
361 (XFS_EOF_FLAGS_SYNC | \
362 XFS_EOF_FLAGS_UID | \
363 XFS_EOF_FLAGS_GID | \
364 XFS_EOF_FLAGS_PRID | \
365 XFS_EOF_FLAGS_MINFILESIZE)
366
367
368 /*
369 * The user-level Handle Request interface structure.
370 */
371 typedef struct xfs_fsop_handlereq {
372 __u32 fd; /* fd for FD_TO_HANDLE */
373 void __user *path; /* user pathname */
374 __u32 oflags; /* open flags */
375 void __user *ihandle;/* user supplied handle */
376 __u32 ihandlen; /* user supplied length */
377 void __user *ohandle;/* user buffer for handle */
378 __u32 __user *ohandlen;/* user buffer length */
379 } xfs_fsop_handlereq_t;
380
381 /*
382 * Compound structures for passing args through Handle Request interfaces
383 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
384 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
385 * XFS_IOC_ATTRMULTI_BY_HANDLE
386 */
387
388 typedef struct xfs_fsop_setdm_handlereq {
389 struct xfs_fsop_handlereq hreq; /* handle information */
390 struct fsdmidata __user *data; /* DMAPI data */
391 } xfs_fsop_setdm_handlereq_t;
392
393 typedef struct xfs_attrlist_cursor {
394 __u32 opaque[4];
395 } xfs_attrlist_cursor_t;
396
397 typedef struct xfs_fsop_attrlist_handlereq {
398 struct xfs_fsop_handlereq hreq; /* handle interface structure */
399 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
400 __u32 flags; /* which namespace to use */
401 __u32 buflen; /* length of buffer supplied */
402 void __user *buffer; /* returned names */
403 } xfs_fsop_attrlist_handlereq_t;
404
405 typedef struct xfs_attr_multiop {
406 __u32 am_opcode;
407 #define ATTR_OP_GET 1 /* return the indicated attr's value */
408 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
409 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */
410 __s32 am_error;
411 void __user *am_attrname;
412 void __user *am_attrvalue;
413 __u32 am_length;
414 __u32 am_flags;
415 } xfs_attr_multiop_t;
416
417 typedef struct xfs_fsop_attrmulti_handlereq {
418 struct xfs_fsop_handlereq hreq; /* handle interface structure */
419 __u32 opcount;/* count of following multiop */
420 struct xfs_attr_multiop __user *ops; /* attr_multi data */
421 } xfs_fsop_attrmulti_handlereq_t;
422
423 /*
424 * per machine unique filesystem identifier types.
425 */
426 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
427
428 typedef struct xfs_fid {
429 __u16 fid_len; /* length of remainder */
430 __u16 fid_pad;
431 __u32 fid_gen; /* generation number */
432 __u64 fid_ino; /* 64 bits inode number */
433 } xfs_fid_t;
434
435 typedef struct xfs_handle {
436 union {
437 __s64 align; /* force alignment of ha_fid */
438 xfs_fsid_t _ha_fsid; /* unique file system identifier */
439 } ha_u;
440 xfs_fid_t ha_fid; /* file system specific file ID */
441 } xfs_handle_t;
442 #define ha_fsid ha_u._ha_fsid
443
444 /*
445 * Structure passed to XFS_IOC_SWAPEXT
446 */
447 typedef struct xfs_swapext
448 {
449 int64_t sx_version; /* version */
450 #define XFS_SX_VERSION 0
451 int64_t sx_fdtarget; /* fd of target file */
452 int64_t sx_fdtmp; /* fd of tmp file */
453 xfs_off_t sx_offset; /* offset into file */
454 xfs_off_t sx_length; /* leng from offset */
455 char sx_pad[16]; /* pad space, unused */
456 xfs_bstat_t sx_stat; /* stat of target b4 copy */
457 } xfs_swapext_t;
458
459 /*
460 * Flags for going down operation
461 */
462 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
463 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
464 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
465
466 /* metadata scrubbing */
467 struct xfs_scrub_metadata {
468 __u32 sm_type; /* What to check? */
469 __u32 sm_flags; /* flags; see below. */
470 __u64 sm_ino; /* inode number. */
471 __u32 sm_gen; /* inode generation. */
472 __u32 sm_agno; /* ag number. */
473 __u64 sm_reserved[5]; /* pad to 64 bytes */
474 };
475
476 /*
477 * Metadata types and flags for scrub operation.
478 */
479
480 /* Scrub subcommands. */
481 #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */
482 #define XFS_SCRUB_TYPE_SB 1 /* superblock */
483 #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */
484 #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */
485 #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */
486 #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */
487 #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */
488 #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */
489 #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
490 #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
491 #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */
492 #define XFS_SCRUB_TYPE_INODE 11 /* inode record */
493 #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */
494 #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */
495 #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */
496 #define XFS_SCRUB_TYPE_DIR 15 /* directory */
497 #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */
498 #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */
499 #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */
500 #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */
501 #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */
502 #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */
503 #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
504 #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
505
506 /* Number of scrub subcommands. */
507 #define XFS_SCRUB_TYPE_NR 24
508
509 /* i: Repair this metadata. */
510 #define XFS_SCRUB_IFLAG_REPAIR (1 << 0)
511
512 /* o: Metadata object needs repair. */
513 #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1)
514
515 /*
516 * o: Metadata object could be optimized. It's not corrupt, but
517 * we could improve on it somehow.
518 */
519 #define XFS_SCRUB_OFLAG_PREEN (1 << 2)
520
521 /* o: Cross-referencing failed. */
522 #define XFS_SCRUB_OFLAG_XFAIL (1 << 3)
523
524 /* o: Metadata object disagrees with cross-referenced metadata. */
525 #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4)
526
527 /* o: Scan was not complete. */
528 #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5)
529
530 /* o: Metadata object looked funny but isn't corrupt. */
531 #define XFS_SCRUB_OFLAG_WARNING (1 << 6)
532
533 /*
534 * o: IFLAG_REPAIR was set but metadata object did not need fixing or
535 * optimization and has therefore not been altered.
536 */
537 #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1 << 7)
538
539 #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR)
540 #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \
541 XFS_SCRUB_OFLAG_PREEN | \
542 XFS_SCRUB_OFLAG_XFAIL | \
543 XFS_SCRUB_OFLAG_XCORRUPT | \
544 XFS_SCRUB_OFLAG_INCOMPLETE | \
545 XFS_SCRUB_OFLAG_WARNING | \
546 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED)
547 #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT)
548
549 /*
550 * ioctl limits
551 */
552 #ifdef XATTR_LIST_MAX
553 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
554 #else
555 # define XFS_XATTR_LIST_MAX 65536
556 #endif
557
558
559 /*
560 * ioctl commands that are used by Linux filesystems
561 */
562 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
563 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
564 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
565
566 /*
567 * ioctl commands that replace IRIX fcntl()'s
568 * For 'documentation' purposed more than anything else,
569 * the "cmd #" field reflects the IRIX fcntl number.
570 */
571 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
572 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
573 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
574 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
575 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
576 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
577 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
578 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
579 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
580 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
581 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
582 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
583 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
584 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
585 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
586 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
587 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
588 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
589 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
590 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
591 /* XFS_IOC_GETFSMAP ------ hoisted 59 */
592 #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata)
593
594 /*
595 * ioctl commands that replace IRIX syssgi()'s
596 */
597 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
598 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
599 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
600 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
601 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
602 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
603 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
604 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
605 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
606 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
607 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
608 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
609 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
610 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
611 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
612 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
613 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
614 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
615 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
616
617 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
618 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
619
620 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
621 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
622 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
623 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
624 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)
625 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
626
627
628 #ifndef HAVE_BBMACROS
629 /*
630 * Block I/O parameterization. A basic block (BB) is the lowest size of
631 * filesystem allocation, and must equal 512. Length units given to bio
632 * routines are in BB's.
633 */
634 #define BBSHIFT 9
635 #define BBSIZE (1<<BBSHIFT)
636 #define BBMASK (BBSIZE-1)
637 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
638 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
639 #define BBTOB(bbs) ((bbs) << BBSHIFT)
640 #endif
641
642 #endif /* __XFS_FS_H__ */
643