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xfs: implement the metadata repair ioctl flag
[linux-2.6-block.git] / fs / xfs / libxfs / xfs_fs.h
CommitLineData
1da177e4 1/*
7b718769
NS		 2 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
1da177e4 4 *
7b718769 5 * This program is free software; you can redistribute it and/or
3ddb8fa9
NS		 6 * modify it under the terms of the GNU Lesser General Public License
7 * as published by the Free Software Foundation.
1da177e4 8 *
7b718769
NS		 9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3ddb8fa9 12 * GNU Lesser General Public License for more details.
1da177e4 13 *
3ddb8fa9 14 * You should have received a copy of the GNU Lesser General Public License
7b718769
NS		 15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4
LT		 17 */
18#ifndef __XFS_FS_H__
19#define __XFS_FS_H__
20
21/*
22 * SGI's XFS filesystem's major stuff (constants, structures)
23 */
24
1da177e4
LT		 25/*
26 * Direct I/O attribute record used with XFS_IOC_DIOINFO
27 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
28 * alignment.
29 */
30#ifndef HAVE_DIOATTR
31struct dioattr {
32 __u32 d_mem; /* data buffer memory alignment */
33 __u32 d_miniosz; /* min xfer size */
34 __u32 d_maxiosz; /* max xfer size */
35};
36#endif
37
1da177e4
LT		 38/*
39 * Structure for XFS_IOC_GETBMAP.
40 * On input, fill in bmv_offset and bmv_length of the first structure
ba0b92d6
NS		 41 * to indicate the area of interest in the file, and bmv_entries with
42 * the number of array elements given back. The first structure is
43 * updated on return to give the offset and length for the next call.
1da177e4
LT		 44 */
45#ifndef HAVE_GETBMAP
46struct getbmap {
47 __s64 bmv_offset; /* file offset of segment in blocks */
48 __s64 bmv_block; /* starting block (64-bit daddr_t) */
49 __s64 bmv_length; /* length of segment, blocks */
50 __s32 bmv_count; /* # of entries in array incl. 1st */
51 __s32 bmv_entries; /* # of entries filled in (output) */
52};
53#endif
54
55/*
56 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
57 * are used exactly as in the getbmap structure. The getbmapx structure
58 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
59 * is only used for the first structure. It contains input flags
60 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
61 * in by the XFS_IOC_GETBMAPX command for each returned structure after
62 * the first.
63 */
64#ifndef HAVE_GETBMAPX
65struct getbmapx {
66 __s64 bmv_offset; /* file offset of segment in blocks */
67 __s64 bmv_block; /* starting block (64-bit daddr_t) */
68 __s64 bmv_length; /* length of segment, blocks */
69 __s32 bmv_count; /* # of entries in array incl. 1st */
70 __s32 bmv_entries; /* # of entries filled in (output). */
71 __s32 bmv_iflags; /* input flags (1st structure) */
72 __s32 bmv_oflags; /* output flags (after 1st structure)*/
73 __s32 bmv_unused1; /* future use */
74 __s32 bmv_unused2; /* future use */
75};
76#endif
77
78/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
79#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
80#define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
81#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
5af317c9 82#define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
9af25465 83#define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
f86f4037 84#define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */
5af317c9 85#define BMV_IF_VALID \
9af25465 86 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
f86f4037 87 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK)
1da177e4 88
411c9403 89/* bmv_oflags values - returned for each non-header segment */
1da177e4 90#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
5af317c9
ES		 91#define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
92#define BMV_OF_LAST 0x4 /* segment is the last in the file */
f86f4037 93#define BMV_OF_SHARED 0x8 /* segment shared with another file */
1da177e4 94
e89c0413
DW		 95/* fmr_owner special values for FS_IOC_GETFSMAP */
96#define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */
97#define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */
98#define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */
99#define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */
100#define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */
101#define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */
102#define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */
103#define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */
104#define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */
105#define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */
106
1da177e4
LT		 107/*
108 * Structure for XFS_IOC_FSSETDM.
109 * For use by backup and restore programs to set the XFS on-disk inode
110 * fields di_dmevmask and di_dmstate. These must be set to exactly and
111 * only values previously obtained via xfs_bulkstat! (Specifically the
112 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
113 */
114#ifndef HAVE_FSDMIDATA
115struct fsdmidata {
116 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
117 __u16 fsd_padding;
118 __u16 fsd_dmstate; /* corresponds to di_dmstate */
119};
120#endif
121
122/*
123 * File segment locking set data type for 64 bit access.
124 * Also used for all the RESV/FREE interfaces.
125 */
126typedef struct xfs_flock64 {
127 __s16 l_type;
128 __s16 l_whence;
129 __s64 l_start;
130 __s64 l_len; /* len == 0 means until end of file */
131 __s32 l_sysid;
132 __u32 l_pid;
133 __s32 l_pad[4]; /* reserve area */
134} xfs_flock64_t;
135
136/*
137 * Output for XFS_IOC_FSGEOMETRY_V1
138 */
139typedef struct xfs_fsop_geom_v1 {
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} xfs_fsop_geom_v1_t;
161
162/*
163 * Output for XFS_IOC_FSGEOMETRY
164 */
165typedef struct xfs_fsop_geom {
166 __u32 blocksize; /* filesystem (data) block size */
167 __u32 rtextsize; /* realtime extent size */
168 __u32 agblocks; /* fsblocks in an AG */
169 __u32 agcount; /* number of allocation groups */
170 __u32 logblocks; /* fsblocks in the log */
171 __u32 sectsize; /* (data) sector size, bytes */
172 __u32 inodesize; /* inode size in bytes */
173 __u32 imaxpct; /* max allowed inode space(%) */
174 __u64 datablocks; /* fsblocks in data subvolume */
175 __u64 rtblocks; /* fsblocks in realtime subvol */
176 __u64 rtextents; /* rt extents in realtime subvol*/
177 __u64 logstart; /* starting fsblock of the log */
178 unsigned char uuid[16]; /* unique id of the filesystem */
179 __u32 sunit; /* stripe unit, fsblocks */
180 __u32 swidth; /* stripe width, fsblocks */
181 __s32 version; /* structure version */
182 __u32 flags; /* superblock version flags */
183 __u32 logsectsize; /* log sector size, bytes */
184 __u32 rtsectsize; /* realtime sector size, bytes */
185 __u32 dirblocksize; /* directory block size, bytes */
186 __u32 logsunit; /* log stripe unit, bytes */
187} xfs_fsop_geom_t;
188
189/* Output for XFS_FS_COUNTS */
190typedef struct xfs_fsop_counts {
191 __u64 freedata; /* free data section blocks */
192 __u64 freertx; /* free rt extents */
193 __u64 freeino; /* free inodes */
194 __u64 allocino; /* total allocated inodes */
195} xfs_fsop_counts_t;
196
197/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
198typedef struct xfs_fsop_resblks {
199 __u64 resblks;
200 __u64 resblks_avail;
201} xfs_fsop_resblks_t;
202
203#define XFS_FSOP_GEOM_VERSION 0
204
205#define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
206#define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
207#define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
208#define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
209#define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
210#define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
211#define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
212#define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
213#define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
214#define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
d8cc890d 215#define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
2900a579 216#define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */
69a58a43 217#define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
92821e2b 218#define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
e7927e87 219#define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
2900a579 220#define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
0c153c1e 221#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
502a4e72 222#define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */
f0ec1b8e
DW		 223#define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */
224#define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */
1da177e4
LT		 225
226/*
3e7b91cf
JL		 227 * Minimum and maximum sizes need for growth checks.
228 *
229 * Block counts are in units of filesystem blocks, not basic blocks.
1da177e4
LT		 230 */
231#define XFS_MIN_AG_BLOCKS 64
e1696834
CH		 232#define XFS_MIN_LOG_BLOCKS 512ULL
233#define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
234#define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
235
4bb73d01
DW		 236/*
237 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than
238 * 16MB or larger than 1TB.
239 */
240#define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */
241#define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */
242
e1696834
CH		 243/* keep the maximum size under 2^31 by a small amount */
244#define XFS_MAX_LOG_BYTES \
245 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
1da177e4 246
c0e090ce 247/* Used for sanity checks on superblock */
d5cf09ba
CH		 248#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
249#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
c0e090ce
ES		 250 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
251
1da177e4
LT		 252/*
253 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
254 */
255typedef struct xfs_growfs_data {
256 __u64 newblocks; /* new data subvol size, fsblocks */
257 __u32 imaxpct; /* new inode space percentage limit */
258} xfs_growfs_data_t;
259
260typedef struct xfs_growfs_log {
261 __u32 newblocks; /* new log size, fsblocks */
262 __u32 isint; /* 1 if new log is internal */
263} xfs_growfs_log_t;
264
265typedef struct xfs_growfs_rt {
266 __u64 newblocks; /* new realtime size, fsblocks */
267 __u32 extsize; /* new realtime extent size, fsblocks */
268} xfs_growfs_rt_t;
269
270
271/*
272 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
273 */
274typedef struct xfs_bstime {
275 time_t tv_sec; /* seconds */
276 __s32 tv_nsec; /* and nanoseconds */
277} xfs_bstime_t;
278
279typedef struct xfs_bstat {
280 __u64 bs_ino; /* inode number */
281 __u16 bs_mode; /* type and mode */
282 __u16 bs_nlink; /* number of links */
283 __u32 bs_uid; /* user id */
284 __u32 bs_gid; /* group id */
285 __u32 bs_rdev; /* device value */
286 __s32 bs_blksize; /* block size */
287 __s64 bs_size; /* file size */
288 xfs_bstime_t bs_atime; /* access time */
289 xfs_bstime_t bs_mtime; /* modify time */
290 xfs_bstime_t bs_ctime; /* inode change time */
291 int64_t bs_blocks; /* number of blocks */
292 __u32 bs_xflags; /* extended flags */
293 __s32 bs_extsize; /* extent size */
294 __s32 bs_extents; /* number of extents */
295 __u32 bs_gen; /* generation count */
6743099c
AM		 296 __u16 bs_projid_lo; /* lower part of project id */
297#define bs_projid bs_projid_lo /* (previously just bs_projid) */
07000ee6 298 __u16 bs_forkoff; /* inode fork offset in bytes */
6743099c 299 __u16 bs_projid_hi; /* higher part of project id */
f7ca3522
DW		 300 unsigned char bs_pad[6]; /* pad space, unused */
301 __u32 bs_cowextsize; /* cow extent size */
1da177e4
LT		 302 __u32 bs_dmevmask; /* DMIG event mask */
303 __u16 bs_dmstate; /* DMIG state info */
304 __u16 bs_aextents; /* attribute number of extents */
305} xfs_bstat_t;
306
d386b32b
DC		 307/*
308 * Project quota id helpers (previously projid was 16bit only
309 * and using two 16bit values to hold new 32bit projid was choosen
310 * to retain compatibility with "old" filesystems).
311 */
c8ce540d 312static inline uint32_t
d386b32b
DC		 313bstat_get_projid(struct xfs_bstat *bs)
314{
c8ce540d 315 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
d386b32b
DC		 316}
317
1da177e4
LT		 318/*
319 * The user-level BulkStat Request interface structure.
320 */
321typedef struct xfs_fsop_bulkreq {
322 __u64 __user *lastip; /* last inode # pointer */
323 __s32 icount; /* count of entries in buffer */
324 void __user *ubuffer;/* user buffer for inode desc. */
325 __s32 __user *ocount; /* output count pointer */
326} xfs_fsop_bulkreq_t;
327
328
329/*
330 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
331 */
332typedef struct xfs_inogrp {
333 __u64 xi_startino; /* starting inode number */
334 __s32 xi_alloccount; /* # bits set in allocmask */
335 __u64 xi_allocmask; /* mask of allocated inodes */
336} xfs_inogrp_t;
337
338
339/*
340 * Error injection.
341 */
342typedef struct xfs_error_injection {
343 __s32 fd;
344 __s32 errtag;
345} xfs_error_injection_t;
346
347
8ca149de
BF		 348/*
349 * Speculative preallocation trimming.
350 */
351#define XFS_EOFBLOCKS_VERSION 1
b9fe5052 352struct xfs_fs_eofblocks {
8ca149de
BF		 353 __u32 eof_version;
354 __u32 eof_flags;
3e3f9f58
BF		 355 uid_t eof_uid;
356 gid_t eof_gid;
357 prid_t eof_prid;
358 __u32 pad32;
00ca79a0
BF		 359 __u64 eof_min_file_size;
360 __u64 pad64[12];
8ca149de
BF		 361};
362
363/* eof_flags values */
364#define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
3e3f9f58
BF		 365#define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
366#define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
367#define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
00ca79a0 368#define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
f4526397
BF		 369#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
370 * kernel only, not included in
371 * valid mask */
8ca149de 372#define XFS_EOF_FLAGS_VALID \
3e3f9f58
BF		 373 (XFS_EOF_FLAGS_SYNC | \
374 XFS_EOF_FLAGS_UID | \
375 XFS_EOF_FLAGS_GID | \
00ca79a0
BF		 376 XFS_EOF_FLAGS_PRID | \
377 XFS_EOF_FLAGS_MINFILESIZE)
8ca149de
BF		 378
379
1da177e4
LT		 380/*
381 * The user-level Handle Request interface structure.
382 */
383typedef struct xfs_fsop_handlereq {
384 __u32 fd; /* fd for FD_TO_HANDLE */
385 void __user *path; /* user pathname */
386 __u32 oflags; /* open flags */
387 void __user *ihandle;/* user supplied handle */
388 __u32 ihandlen; /* user supplied length */
389 void __user *ohandle;/* user buffer for handle */
390 __u32 __user *ohandlen;/* user buffer length */
391} xfs_fsop_handlereq_t;
392
393/*
394 * Compound structures for passing args through Handle Request interfaces
395 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
396 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
397 * XFS_IOC_ATTRMULTI_BY_HANDLE
398 */
399
400typedef struct xfs_fsop_setdm_handlereq {
401 struct xfs_fsop_handlereq hreq; /* handle information */
402 struct fsdmidata __user *data; /* DMAPI data */
403} xfs_fsop_setdm_handlereq_t;
404
405typedef struct xfs_attrlist_cursor {
406 __u32 opaque[4];
407} xfs_attrlist_cursor_t;
408
409typedef struct xfs_fsop_attrlist_handlereq {
410 struct xfs_fsop_handlereq hreq; /* handle interface structure */
411 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
412 __u32 flags; /* which namespace to use */
413 __u32 buflen; /* length of buffer supplied */
414 void __user *buffer; /* returned names */
415} xfs_fsop_attrlist_handlereq_t;
416
417typedef struct xfs_attr_multiop {
418 __u32 am_opcode;
e182f57a
CH		 419#define ATTR_OP_GET 1 /* return the indicated attr's value */
420#define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
421#define ATTR_OP_REMOVE 3 /* remove the indicated attr */
1da177e4
LT		 422 __s32 am_error;
423 void __user *am_attrname;
424 void __user *am_attrvalue;
425 __u32 am_length;
426 __u32 am_flags;
427} xfs_attr_multiop_t;
428
429typedef struct xfs_fsop_attrmulti_handlereq {
430 struct xfs_fsop_handlereq hreq; /* handle interface structure */
431 __u32 opcount;/* count of following multiop */
432 struct xfs_attr_multiop __user *ops; /* attr_multi data */
433} xfs_fsop_attrmulti_handlereq_t;
434
435/*
436 * per machine unique filesystem identifier types.
437 */
438typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
439
1da177e4 440typedef struct xfs_fid {
c6143911
CH		 441 __u16 fid_len; /* length of remainder */
442 __u16 fid_pad;
443 __u32 fid_gen; /* generation number */
444 __u64 fid_ino; /* 64 bits inode number */
1da177e4
LT		 445} xfs_fid_t;
446
1da177e4
LT		 447typedef struct xfs_handle {
448 union {
449 __s64 align; /* force alignment of ha_fid */
450 xfs_fsid_t _ha_fsid; /* unique file system identifier */
451 } ha_u;
452 xfs_fid_t ha_fid; /* file system specific file ID */
453} xfs_handle_t;
454#define ha_fsid ha_u._ha_fsid
455
a133d952
DC		 456/*
457 * Structure passed to XFS_IOC_SWAPEXT
458 */
459typedef struct xfs_swapext
460{
c8ce540d 461 int64_t sx_version; /* version */
a133d952 462#define XFS_SX_VERSION 0
c8ce540d
DW		 463 int64_t sx_fdtarget; /* fd of target file */
464 int64_t sx_fdtmp; /* fd of tmp file */
a133d952
DC		 465 xfs_off_t sx_offset; /* offset into file */
466 xfs_off_t sx_length; /* leng from offset */
467 char sx_pad[16]; /* pad space, unused */
468 xfs_bstat_t sx_stat; /* stat of target b4 copy */
469} xfs_swapext_t;
470
3f89243c 471/*
1da177e4
LT		 472 * Flags for going down operation
473 */
474#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
475#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
476#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
477
36fd6e86
DW		 478/* metadata scrubbing */
479struct xfs_scrub_metadata {
480 __u32 sm_type; /* What to check? */
481 __u32 sm_flags; /* flags; see below. */
482 __u64 sm_ino; /* inode number. */
483 __u32 sm_gen; /* inode generation. */
484 __u32 sm_agno; /* ag number. */
485 __u64 sm_reserved[5]; /* pad to 64 bytes */
486};
487
488/*
489 * Metadata types and flags for scrub operation.
490 */
491
492/* Scrub subcommands. */
dcb660f9 493#define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */
21fb4cb1 494#define XFS_SCRUB_TYPE_SB 1 /* superblock */
ab9d5dc5
DW		 495#define XFS_SCRUB_TYPE_AGF 2 /* AG free header */
496#define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */
a12890ae 497#define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */
efa7a99c
DW		 498#define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */
499#define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */
3daa6641
DW		 500#define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */
501#define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
c7e693d9 502#define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
edc09b52 503#define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */
80e4e126 504#define XFS_SCRUB_TYPE_INODE 11 /* inode record */
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DW		 505#define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */
506#define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */
507#define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */
a5c46e5e 508#define XFS_SCRUB_TYPE_DIR 15 /* directory */
eec0482e 509#define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */
2a721dbb 510#define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */
0f28b257 511#define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */
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DW		 512#define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */
513#define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */
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DW		 514#define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */
515#define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
516#define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
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DW		 517
518/* Number of scrub subcommands. */
c2fc338c 519#define XFS_SCRUB_TYPE_NR 24
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DW		 520
521/* i: Repair this metadata. */
522#define XFS_SCRUB_IFLAG_REPAIR (1 << 0)
523
524/* o: Metadata object needs repair. */
525#define XFS_SCRUB_OFLAG_CORRUPT (1 << 1)
526
527/*
528 * o: Metadata object could be optimized. It's not corrupt, but
529 * we could improve on it somehow.
530 */
531#define XFS_SCRUB_OFLAG_PREEN (1 << 2)
532
533/* o: Cross-referencing failed. */
534#define XFS_SCRUB_OFLAG_XFAIL (1 << 3)
535
536/* o: Metadata object disagrees with cross-referenced metadata. */
537#define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4)
538
539/* o: Scan was not complete. */
540#define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5)
541
542/* o: Metadata object looked funny but isn't corrupt. */
543#define XFS_SCRUB_OFLAG_WARNING (1 << 6)
544
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DW		 545/*
546 * o: IFLAG_REPAIR was set but metadata object did not need fixing or
547 * optimization and has therefore not been altered.
548 */
549#define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1 << 7)
550
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DW		 551#define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR)
552#define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \
553 XFS_SCRUB_OFLAG_PREEN | \
554 XFS_SCRUB_OFLAG_XFAIL | \
555 XFS_SCRUB_OFLAG_XCORRUPT | \
556 XFS_SCRUB_OFLAG_INCOMPLETE | \
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DW		 557 XFS_SCRUB_OFLAG_WARNING | \
558 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED)
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DW		 559#define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT)
560
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JT		 561/*
562 * ioctl limits
563 */
564#ifdef XATTR_LIST_MAX
565# define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
566#else
567# define XFS_XATTR_LIST_MAX 65536
568#endif
569
570
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LT		 571/*
572 * ioctl commands that are used by Linux filesystems
573 */
bc58f9bb
ES		 574#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
575#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
576#define XFS_IOC_GETVERSION FS_IOC_GETVERSION
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LT		 577
578/*
579 * ioctl commands that replace IRIX fcntl()'s
580 * For 'documentation' purposed more than anything else,
581 * the "cmd #" field reflects the IRIX fcntl number.
582 */
583#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
584#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
585#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
334e580a
DC		 586#define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
587#define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
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LT		 588#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
589#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
590#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
591#define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
592#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
593#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
594#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
595#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
596#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
597#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
598/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
599/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
600#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
44722352 601#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
b771af2f 602#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
e89c0413 603/* XFS_IOC_GETFSMAP ------ hoisted 59 */
36fd6e86 604#define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata)
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LT		 605
606/*
607 * ioctl commands that replace IRIX syssgi()'s
608 */
609#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
610#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
611#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
612#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
613#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
614#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
615#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
616#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
617#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
618#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
619#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
620#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
621#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
622#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
623#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
624#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
625#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
626#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
627/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
d386b32b 628
4478fb1f
CH		 629#define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
630#define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
d386b32b 631
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LT		 632#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
633#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
634#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
635#define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
c8ce540d 636#define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)
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LT		 637/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
638
639
640#ifndef HAVE_BBMACROS
641/*
642 * Block I/O parameterization. A basic block (BB) is the lowest size of
643 * filesystem allocation, and must equal 512. Length units given to bio
644 * routines are in BB's.
645 */
646#define BBSHIFT 9
647#define BBSIZE (1<<BBSHIFT)
648#define BBMASK (BBSIZE-1)
649#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
650#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
651#define BBTOB(bbs) ((bbs) << BBSHIFT)
652#endif
653
654#endif /* __XFS_FS_H__ */
Linux 6.x block layer and io_uring tree(s)