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37b3b4d6 | 1 | // SPDX-License-Identifier: LGPL-2.1 |
2bd0ea18 | 2 | /* |
f302e9e4 NS |
3 | * Copyright (c) 1995-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
2bd0ea18 | 5 | */ |
53f8ad6d NS |
6 | #ifndef __XFS_FS_H__ |
7 | #define __XFS_FS_H__ | |
2bd0ea18 NS |
8 | |
9 | /* | |
10 | * SGI's XFS filesystem's major stuff (constants, structures) | |
11 | */ | |
12 | ||
5000d01d | 13 | /* |
8c4a2bb0 | 14 | * Direct I/O attribute record used with XFS_IOC_DIOINFO |
2bd0ea18 NS |
15 | * d_miniosz is the min xfer size, xfer size multiple and file seek offset |
16 | * alignment. | |
17 | */ | |
93d9f139 | 18 | #ifndef HAVE_DIOATTR |
2bd0ea18 | 19 | struct dioattr { |
5000d01d | 20 | __u32 d_mem; /* data buffer memory alignment */ |
2bd0ea18 NS |
21 | __u32 d_miniosz; /* min xfer size */ |
22 | __u32 d_maxiosz; /* max xfer size */ | |
23 | }; | |
93d9f139 | 24 | #endif |
2bd0ea18 NS |
25 | |
26 | /* | |
83f4b5ac DC |
27 | * Flags for the bs_xflags/fsx_xflags field in XFS_IOC_FS[GS]ETXATTR[A] |
28 | * These are for backwards compatibility only. New code should | |
29 | * use the kernel [4.5 onwards] defined FS_XFLAG_* definitions directly. | |
2bd0ea18 | 30 | */ |
83f4b5ac DC |
31 | #define XFS_XFLAG_REALTIME FS_XFLAG_REALTIME |
32 | #define XFS_XFLAG_PREALLOC FS_XFLAG_PREALLOC | |
33 | #define XFS_XFLAG_IMMUTABLE FS_XFLAG_IMMUTABLE | |
34 | #define XFS_XFLAG_APPEND FS_XFLAG_APPEND | |
35 | #define XFS_XFLAG_SYNC FS_XFLAG_SYNC | |
36 | #define XFS_XFLAG_NOATIME FS_XFLAG_NOATIME | |
37 | #define XFS_XFLAG_NODUMP FS_XFLAG_NODUMP | |
38 | #define XFS_XFLAG_RTINHERIT FS_XFLAG_RTINHERIT | |
39 | #define XFS_XFLAG_PROJINHERIT FS_XFLAG_PROJINHERIT | |
40 | #define XFS_XFLAG_NOSYMLINKS FS_XFLAG_NOSYMLINKS | |
41 | #define XFS_XFLAG_EXTSIZE FS_XFLAG_EXTSIZE | |
42 | #define XFS_XFLAG_EXTSZINHERIT FS_XFLAG_EXTSZINHERIT | |
43 | #define XFS_XFLAG_NODEFRAG FS_XFLAG_NODEFRAG | |
44 | #define XFS_XFLAG_FILESTREAM FS_XFLAG_FILESTREAM | |
45 | #define XFS_XFLAG_HASATTR FS_XFLAG_HASATTR | |
46 | ||
2bd0ea18 | 47 | /* |
8c4a2bb0 | 48 | * Structure for XFS_IOC_GETBMAP. |
2bd0ea18 | 49 | * On input, fill in bmv_offset and bmv_length of the first structure |
5e656dbb BN |
50 | * to indicate the area of interest in the file, and bmv_entries with |
51 | * the number of array elements given back. The first structure is | |
52 | * updated on return to give the offset and length for the next call. | |
2bd0ea18 | 53 | */ |
93d9f139 | 54 | #ifndef HAVE_GETBMAP |
2bd0ea18 NS |
55 | struct getbmap { |
56 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
57 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
58 | __s64 bmv_length; /* length of segment, blocks */ | |
59 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
60 | __s32 bmv_entries; /* # of entries filled in (output) */ | |
61 | }; | |
93d9f139 | 62 | #endif |
2bd0ea18 NS |
63 | |
64 | /* | |
5000d01d | 65 | * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries |
2bd0ea18 NS |
66 | * are used exactly as in the getbmap structure. The getbmapx structure |
67 | * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field | |
5000d01d | 68 | * is only used for the first structure. It contains input flags |
8c4a2bb0 NS |
69 | * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled |
70 | * in by the XFS_IOC_GETBMAPX command for each returned structure after | |
71 | * the first. | |
2bd0ea18 | 72 | */ |
93d9f139 | 73 | #ifndef HAVE_GETBMAPX |
2bd0ea18 NS |
74 | struct getbmapx { |
75 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
76 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
77 | __s64 bmv_length; /* length of segment, blocks */ | |
78 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
79 | __s32 bmv_entries; /* # of entries filled in (output). */ | |
80 | __s32 bmv_iflags; /* input flags (1st structure) */ | |
81 | __s32 bmv_oflags; /* output flags (after 1st structure)*/ | |
82 | __s32 bmv_unused1; /* future use */ | |
83 | __s32 bmv_unused2; /* future use */ | |
84 | }; | |
93d9f139 | 85 | #endif |
2bd0ea18 | 86 | |
8c4a2bb0 | 87 | /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ |
5000d01d | 88 | #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ |
2bd0ea18 NS |
89 | #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ |
90 | #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ | |
56b2de80 DC |
91 | #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ |
92 | #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ | |
464e5807 | 93 | #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ |
56b2de80 DC |
94 | #define BMV_IF_VALID \ |
95 | (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ | |
464e5807 | 96 | BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) |
2bd0ea18 | 97 | |
56b2de80 | 98 | /* bmv_oflags values - returned for each non-header segment */ |
2bd0ea18 | 99 | #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ |
56b2de80 DC |
100 | #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ |
101 | #define BMV_OF_LAST 0x4 /* segment is the last in the file */ | |
464e5807 | 102 | #define BMV_OF_SHARED 0x8 /* segment shared with another file */ |
2bd0ea18 | 103 | |
9282c506 DW |
104 | /* fmr_owner special values for FS_IOC_GETFSMAP */ |
105 | #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */ | |
106 | #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */ | |
107 | #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */ | |
108 | #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */ | |
109 | #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */ | |
110 | #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */ | |
111 | #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */ | |
112 | #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */ | |
113 | #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */ | |
114 | #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ | |
115 | ||
2bd0ea18 | 116 | /* |
e1864286 | 117 | * Structure for XFS_IOC_FSSETDM. |
2bd0ea18 NS |
118 | * For use by backup and restore programs to set the XFS on-disk inode |
119 | * fields di_dmevmask and di_dmstate. These must be set to exactly and | |
120 | * only values previously obtained via xfs_bulkstat! (Specifically the | |
121 | * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) | |
122 | */ | |
93d9f139 | 123 | #ifndef HAVE_FSDMIDATA |
2bd0ea18 | 124 | struct fsdmidata { |
578f5654 | 125 | __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ |
2bd0ea18 NS |
126 | __u16 fsd_padding; |
127 | __u16 fsd_dmstate; /* corresponds to di_dmstate */ | |
128 | }; | |
93d9f139 | 129 | #endif |
2bd0ea18 NS |
130 | |
131 | /* | |
132 | * File segment locking set data type for 64 bit access. | |
133 | * Also used for all the RESV/FREE interfaces. | |
134 | */ | |
135 | typedef struct xfs_flock64 { | |
136 | __s16 l_type; | |
137 | __s16 l_whence; | |
138 | __s64 l_start; | |
139 | __s64 l_len; /* len == 0 means until end of file */ | |
5000d01d | 140 | __s32 l_sysid; |
062998e3 | 141 | __u32 l_pid; |
2bd0ea18 NS |
142 | __s32 l_pad[4]; /* reserve area */ |
143 | } xfs_flock64_t; | |
144 | ||
73bf5988 SL |
145 | /* |
146 | * Output for XFS_IOC_FSGEOMETRY_V1 | |
147 | */ | |
148 | typedef struct xfs_fsop_geom_v1 { | |
5000d01d | 149 | __u32 blocksize; /* filesystem (data) block size */ |
73bf5988 SL |
150 | __u32 rtextsize; /* realtime extent size */ |
151 | __u32 agblocks; /* fsblocks in an AG */ | |
5000d01d | 152 | __u32 agcount; /* number of allocation groups */ |
73bf5988 SL |
153 | __u32 logblocks; /* fsblocks in the log */ |
154 | __u32 sectsize; /* (data) sector size, bytes */ | |
155 | __u32 inodesize; /* inode size in bytes */ | |
156 | __u32 imaxpct; /* max allowed inode space(%) */ | |
157 | __u64 datablocks; /* fsblocks in data subvolume */ | |
158 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
159 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
160 | __u64 logstart; /* starting fsblock of the log */ | |
161 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
162 | __u32 sunit; /* stripe unit, fsblocks */ | |
163 | __u32 swidth; /* stripe width, fsblocks */ | |
164 | __s32 version; /* structure version */ | |
165 | __u32 flags; /* superblock version flags */ | |
166 | __u32 logsectsize; /* log sector size, bytes */ | |
167 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
168 | __u32 dirblocksize; /* directory block size, bytes */ | |
169 | } xfs_fsop_geom_v1_t; | |
170 | ||
2bd0ea18 NS |
171 | /* |
172 | * Output for XFS_IOC_FSGEOMETRY | |
173 | */ | |
174 | typedef struct xfs_fsop_geom { | |
5000d01d | 175 | __u32 blocksize; /* filesystem (data) block size */ |
2bd0ea18 NS |
176 | __u32 rtextsize; /* realtime extent size */ |
177 | __u32 agblocks; /* fsblocks in an AG */ | |
5000d01d | 178 | __u32 agcount; /* number of allocation groups */ |
2bd0ea18 NS |
179 | __u32 logblocks; /* fsblocks in the log */ |
180 | __u32 sectsize; /* (data) sector size, bytes */ | |
181 | __u32 inodesize; /* inode size in bytes */ | |
182 | __u32 imaxpct; /* max allowed inode space(%) */ | |
183 | __u64 datablocks; /* fsblocks in data subvolume */ | |
184 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
185 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
186 | __u64 logstart; /* starting fsblock of the log */ | |
187 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
188 | __u32 sunit; /* stripe unit, fsblocks */ | |
189 | __u32 swidth; /* stripe width, fsblocks */ | |
190 | __s32 version; /* structure version */ | |
191 | __u32 flags; /* superblock version flags */ | |
192 | __u32 logsectsize; /* log sector size, bytes */ | |
193 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
194 | __u32 dirblocksize; /* directory block size, bytes */ | |
73bf5988 | 195 | __u32 logsunit; /* log stripe unit, bytes */ |
2bd0ea18 NS |
196 | } xfs_fsop_geom_t; |
197 | ||
198 | /* Output for XFS_FS_COUNTS */ | |
199 | typedef struct xfs_fsop_counts { | |
200 | __u64 freedata; /* free data section blocks */ | |
201 | __u64 freertx; /* free rt extents */ | |
202 | __u64 freeino; /* free inodes */ | |
203 | __u64 allocino; /* total allocated inodes */ | |
204 | } xfs_fsop_counts_t; | |
205 | ||
206 | /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ | |
207 | typedef struct xfs_fsop_resblks { | |
208 | __u64 resblks; | |
209 | __u64 resblks_avail; | |
210 | } xfs_fsop_resblks_t; | |
211 | ||
5000d01d | 212 | #define XFS_FSOP_GEOM_VERSION 0 |
2bd0ea18 | 213 | |
9440d84d NS |
214 | #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ |
215 | #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ | |
216 | #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ | |
217 | #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ | |
218 | #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ | |
219 | #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ | |
220 | #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ | |
221 | #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ | |
222 | #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ | |
223 | #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ | |
ca86e759 | 224 | #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ |
6f700630 | 225 | #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ |
a2ceac1f | 226 | #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ |
cdded3d8 | 227 | #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ |
67e389c5 | 228 | #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ |
6f700630 | 229 | #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ |
608dff09 | 230 | #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ |
5f90a192 | 231 | #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ |
f0b8028c DW |
232 | #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ |
233 | #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ | |
2bd0ea18 | 234 | |
2bd0ea18 | 235 | /* |
88cd79be DC |
236 | * Minimum and maximum sizes need for growth checks. |
237 | * | |
238 | * Block counts are in units of filesystem blocks, not basic blocks. | |
2bd0ea18 | 239 | */ |
5000d01d | 240 | #define XFS_MIN_AG_BLOCKS 64 |
a6634fba DC |
241 | #define XFS_MIN_LOG_BLOCKS 512ULL |
242 | #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) | |
243 | #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) | |
244 | ||
e91df844 DW |
245 | /* |
246 | * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than | |
247 | * 16MB or larger than 1TB. | |
248 | */ | |
249 | #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ | |
250 | #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ | |
251 | ||
a6634fba DC |
252 | /* keep the maximum size under 2^31 by a small amount */ |
253 | #define XFS_MAX_LOG_BYTES \ | |
254 | ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) | |
2bd0ea18 | 255 | |
a2ceac1f | 256 | /* Used for sanity checks on superblock */ |
5a35bf2c DC |
257 | #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) |
258 | #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ | |
a2ceac1f DC |
259 | (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) |
260 | ||
2bd0ea18 | 261 | /* |
8c4a2bb0 | 262 | * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT |
2bd0ea18 NS |
263 | */ |
264 | typedef struct xfs_growfs_data { | |
265 | __u64 newblocks; /* new data subvol size, fsblocks */ | |
266 | __u32 imaxpct; /* new inode space percentage limit */ | |
267 | } xfs_growfs_data_t; | |
268 | ||
2bd0ea18 NS |
269 | typedef struct xfs_growfs_log { |
270 | __u32 newblocks; /* new log size, fsblocks */ | |
271 | __u32 isint; /* 1 if new log is internal */ | |
272 | } xfs_growfs_log_t; | |
273 | ||
2bd0ea18 NS |
274 | typedef struct xfs_growfs_rt { |
275 | __u64 newblocks; /* new realtime size, fsblocks */ | |
276 | __u32 extsize; /* new realtime extent size, fsblocks */ | |
277 | } xfs_growfs_rt_t; | |
278 | ||
279 | ||
280 | /* | |
281 | * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE | |
282 | */ | |
283 | typedef struct xfs_bstime { | |
284 | time_t tv_sec; /* seconds */ | |
285 | __s32 tv_nsec; /* and nanoseconds */ | |
286 | } xfs_bstime_t; | |
287 | ||
288 | typedef struct xfs_bstat { | |
289 | __u64 bs_ino; /* inode number */ | |
290 | __u16 bs_mode; /* type and mode */ | |
291 | __u16 bs_nlink; /* number of links */ | |
292 | __u32 bs_uid; /* user id */ | |
293 | __u32 bs_gid; /* group id */ | |
294 | __u32 bs_rdev; /* device value */ | |
295 | __s32 bs_blksize; /* block size */ | |
296 | __s64 bs_size; /* file size */ | |
297 | xfs_bstime_t bs_atime; /* access time */ | |
298 | xfs_bstime_t bs_mtime; /* modify time */ | |
299 | xfs_bstime_t bs_ctime; /* inode change time */ | |
300 | int64_t bs_blocks; /* number of blocks */ | |
301 | __u32 bs_xflags; /* extended flags */ | |
302 | __s32 bs_extsize; /* extent size */ | |
303 | __s32 bs_extents; /* number of extents */ | |
304 | __u32 bs_gen; /* generation count */ | |
22bc10ed | 305 | __u16 bs_projid_lo; /* lower part of project id */ |
56b2de80 | 306 | #define bs_projid bs_projid_lo /* (previously just bs_projid) */ |
bdb041f5 | 307 | __u16 bs_forkoff; /* inode fork offset in bytes */ |
22bc10ed | 308 | __u16 bs_projid_hi; /* higher part of project id */ |
10460994 DW |
309 | unsigned char bs_pad[6]; /* pad space, unused */ |
310 | __u32 bs_cowextsize; /* cow extent size */ | |
2bd0ea18 NS |
311 | __u32 bs_dmevmask; /* DMIG event mask */ |
312 | __u16 bs_dmstate; /* DMIG state info */ | |
313 | __u16 bs_aextents; /* attribute number of extents */ | |
314 | } xfs_bstat_t; | |
315 | ||
79737cd9 DC |
316 | /* |
317 | * Project quota id helpers (previously projid was 16bit only | |
318 | * and using two 16bit values to hold new 32bit projid was choosen | |
319 | * to retain compatibility with "old" filesystems). | |
320 | */ | |
4a492e72 | 321 | static inline uint32_t |
79737cd9 DC |
322 | bstat_get_projid(struct xfs_bstat *bs) |
323 | { | |
4a492e72 | 324 | return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; |
79737cd9 DC |
325 | } |
326 | ||
2bd0ea18 NS |
327 | /* |
328 | * The user-level BulkStat Request interface structure. | |
329 | */ | |
330 | typedef struct xfs_fsop_bulkreq { | |
062998e3 | 331 | __u64 __user *lastip; /* last inode # pointer */ |
2bd0ea18 | 332 | __s32 icount; /* count of entries in buffer */ |
062998e3 NS |
333 | void __user *ubuffer;/* user buffer for inode desc. */ |
334 | __s32 __user *ocount; /* output count pointer */ | |
2bd0ea18 NS |
335 | } xfs_fsop_bulkreq_t; |
336 | ||
337 | ||
338 | /* | |
8c4a2bb0 | 339 | * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). |
2bd0ea18 NS |
340 | */ |
341 | typedef struct xfs_inogrp { | |
342 | __u64 xi_startino; /* starting inode number */ | |
343 | __s32 xi_alloccount; /* # bits set in allocmask */ | |
344 | __u64 xi_allocmask; /* mask of allocated inodes */ | |
345 | } xfs_inogrp_t; | |
346 | ||
347 | ||
8c4a2bb0 NS |
348 | /* |
349 | * Error injection. | |
350 | */ | |
351 | typedef struct xfs_error_injection { | |
5000d01d SL |
352 | __s32 fd; |
353 | __s32 errtag; | |
8c4a2bb0 NS |
354 | } xfs_error_injection_t; |
355 | ||
356 | ||
a2ceac1f DC |
357 | /* |
358 | * Speculative preallocation trimming. | |
359 | */ | |
360 | #define XFS_EOFBLOCKS_VERSION 1 | |
e6d77a21 | 361 | struct xfs_fs_eofblocks { |
a2ceac1f DC |
362 | __u32 eof_version; |
363 | __u32 eof_flags; | |
364 | uid_t eof_uid; | |
365 | gid_t eof_gid; | |
366 | prid_t eof_prid; | |
367 | __u32 pad32; | |
368 | __u64 eof_min_file_size; | |
369 | __u64 pad64[12]; | |
370 | }; | |
371 | ||
372 | /* eof_flags values */ | |
373 | #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ | |
374 | #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ | |
375 | #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ | |
376 | #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ | |
377 | #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ | |
5a35bf2c DC |
378 | #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; |
379 | * kernel only, not included in | |
380 | * valid mask */ | |
a2ceac1f DC |
381 | #define XFS_EOF_FLAGS_VALID \ |
382 | (XFS_EOF_FLAGS_SYNC | \ | |
383 | XFS_EOF_FLAGS_UID | \ | |
384 | XFS_EOF_FLAGS_GID | \ | |
385 | XFS_EOF_FLAGS_PRID | \ | |
386 | XFS_EOF_FLAGS_MINFILESIZE) | |
387 | ||
388 | ||
2bd0ea18 NS |
389 | /* |
390 | * The user-level Handle Request interface structure. | |
391 | */ | |
392 | typedef struct xfs_fsop_handlereq { | |
393 | __u32 fd; /* fd for FD_TO_HANDLE */ | |
062998e3 | 394 | void __user *path; /* user pathname */ |
2bd0ea18 | 395 | __u32 oflags; /* open flags */ |
062998e3 | 396 | void __user *ihandle;/* user supplied handle */ |
2bd0ea18 | 397 | __u32 ihandlen; /* user supplied length */ |
062998e3 NS |
398 | void __user *ohandle;/* user buffer for handle */ |
399 | __u32 __user *ohandlen;/* user buffer length */ | |
2bd0ea18 NS |
400 | } xfs_fsop_handlereq_t; |
401 | ||
2bd0ea18 | 402 | /* |
8c4a2bb0 NS |
403 | * Compound structures for passing args through Handle Request interfaces |
404 | * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle | |
405 | * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and | |
5000d01d | 406 | * XFS_IOC_ATTRMULTI_BY_HANDLE |
2bd0ea18 | 407 | */ |
8c4a2bb0 NS |
408 | |
409 | typedef struct xfs_fsop_setdm_handlereq { | |
062998e3 NS |
410 | struct xfs_fsop_handlereq hreq; /* handle information */ |
411 | struct fsdmidata __user *data; /* DMAPI data */ | |
8c4a2bb0 NS |
412 | } xfs_fsop_setdm_handlereq_t; |
413 | ||
414 | typedef struct xfs_attrlist_cursor { | |
062998e3 | 415 | __u32 opaque[4]; |
8c4a2bb0 NS |
416 | } xfs_attrlist_cursor_t; |
417 | ||
418 | typedef struct xfs_fsop_attrlist_handlereq { | |
062998e3 NS |
419 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ |
420 | struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ | |
421 | __u32 flags; /* which namespace to use */ | |
422 | __u32 buflen; /* length of buffer supplied */ | |
423 | void __user *buffer; /* returned names */ | |
8c4a2bb0 NS |
424 | } xfs_fsop_attrlist_handlereq_t; |
425 | ||
426 | typedef struct xfs_attr_multiop { | |
062998e3 | 427 | __u32 am_opcode; |
5e656dbb BN |
428 | #define ATTR_OP_GET 1 /* return the indicated attr's value */ |
429 | #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ | |
430 | #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ | |
062998e3 NS |
431 | __s32 am_error; |
432 | void __user *am_attrname; | |
433 | void __user *am_attrvalue; | |
434 | __u32 am_length; | |
435 | __u32 am_flags; | |
8c4a2bb0 NS |
436 | } xfs_attr_multiop_t; |
437 | ||
438 | typedef struct xfs_fsop_attrmulti_handlereq { | |
062998e3 NS |
439 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ |
440 | __u32 opcount;/* count of following multiop */ | |
441 | struct xfs_attr_multiop __user *ops; /* attr_multi data */ | |
8c4a2bb0 | 442 | } xfs_fsop_attrmulti_handlereq_t; |
2bd0ea18 NS |
443 | |
444 | /* | |
23aab3f9 | 445 | * per machine unique filesystem identifier types. |
2bd0ea18 | 446 | */ |
23aab3f9 NS |
447 | typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ |
448 | ||
2bd0ea18 | 449 | typedef struct xfs_fid { |
5e656dbb BN |
450 | __u16 fid_len; /* length of remainder */ |
451 | __u16 fid_pad; | |
452 | __u32 fid_gen; /* generation number */ | |
453 | __u64 fid_ino; /* 64 bits inode number */ | |
2bd0ea18 NS |
454 | } xfs_fid_t; |
455 | ||
2bd0ea18 NS |
456 | typedef struct xfs_handle { |
457 | union { | |
458 | __s64 align; /* force alignment of ha_fid */ | |
459 | xfs_fsid_t _ha_fsid; /* unique file system identifier */ | |
460 | } ha_u; | |
5000d01d | 461 | xfs_fid_t ha_fid; /* file system specific file ID */ |
2bd0ea18 | 462 | } xfs_handle_t; |
2bd0ea18 NS |
463 | #define ha_fsid ha_u._ha_fsid |
464 | ||
e334fb79 DC |
465 | /* |
466 | * Structure passed to XFS_IOC_SWAPEXT | |
467 | */ | |
468 | typedef struct xfs_swapext | |
469 | { | |
4a492e72 | 470 | int64_t sx_version; /* version */ |
e334fb79 | 471 | #define XFS_SX_VERSION 0 |
4a492e72 DW |
472 | int64_t sx_fdtarget; /* fd of target file */ |
473 | int64_t sx_fdtmp; /* fd of tmp file */ | |
e334fb79 DC |
474 | xfs_off_t sx_offset; /* offset into file */ |
475 | xfs_off_t sx_length; /* leng from offset */ | |
476 | char sx_pad[16]; /* pad space, unused */ | |
477 | xfs_bstat_t sx_stat; /* stat of target b4 copy */ | |
478 | } xfs_swapext_t; | |
479 | ||
2d5121ac | 480 | /* |
6efd7566 | 481 | * Flags for going down operation |
482 | */ | |
483 | #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ | |
484 | #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ | |
485 | #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ | |
2bd0ea18 | 486 | |
afbe3b6e DW |
487 | /* metadata scrubbing */ |
488 | struct xfs_scrub_metadata { | |
489 | __u32 sm_type; /* What to check? */ | |
490 | __u32 sm_flags; /* flags; see below. */ | |
491 | __u64 sm_ino; /* inode number. */ | |
492 | __u32 sm_gen; /* inode generation. */ | |
493 | __u32 sm_agno; /* ag number. */ | |
494 | __u64 sm_reserved[5]; /* pad to 64 bytes */ | |
495 | }; | |
496 | ||
497 | /* | |
498 | * Metadata types and flags for scrub operation. | |
499 | */ | |
500 | ||
501 | /* Scrub subcommands. */ | |
d17a6275 | 502 | #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ |
f253a979 | 503 | #define XFS_SCRUB_TYPE_SB 1 /* superblock */ |
d6e1f78e DW |
504 | #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ |
505 | #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ | |
1770bca2 | 506 | #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ |
1b07bd7a DW |
507 | #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ |
508 | #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ | |
3898cda1 DW |
509 | #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ |
510 | #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ | |
d21c4120 | 511 | #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ |
286f7cc3 | 512 | #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ |
1155b77e | 513 | #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ |
c123295f DW |
514 | #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ |
515 | #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ | |
516 | #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ | |
16c101bb | 517 | #define XFS_SCRUB_TYPE_DIR 15 /* directory */ |
97ebbf28 | 518 | #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ |
3db552cf | 519 | #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ |
9d9d4f08 | 520 | #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ |
1da1b678 DW |
521 | #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ |
522 | #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ | |
821a9754 DW |
523 | #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ |
524 | #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ | |
525 | #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ | |
afbe3b6e DW |
526 | |
527 | /* Number of scrub subcommands. */ | |
821a9754 | 528 | #define XFS_SCRUB_TYPE_NR 24 |
afbe3b6e DW |
529 | |
530 | /* i: Repair this metadata. */ | |
531 | #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) | |
532 | ||
533 | /* o: Metadata object needs repair. */ | |
534 | #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) | |
535 | ||
536 | /* | |
537 | * o: Metadata object could be optimized. It's not corrupt, but | |
538 | * we could improve on it somehow. | |
539 | */ | |
540 | #define XFS_SCRUB_OFLAG_PREEN (1 << 2) | |
541 | ||
542 | /* o: Cross-referencing failed. */ | |
543 | #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) | |
544 | ||
545 | /* o: Metadata object disagrees with cross-referenced metadata. */ | |
546 | #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) | |
547 | ||
548 | /* o: Scan was not complete. */ | |
549 | #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) | |
550 | ||
551 | /* o: Metadata object looked funny but isn't corrupt. */ | |
552 | #define XFS_SCRUB_OFLAG_WARNING (1 << 6) | |
553 | ||
52818844 DW |
554 | /* |
555 | * o: IFLAG_REPAIR was set but metadata object did not need fixing or | |
556 | * optimization and has therefore not been altered. | |
557 | */ | |
558 | #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1 << 7) | |
559 | ||
afbe3b6e DW |
560 | #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) |
561 | #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ | |
562 | XFS_SCRUB_OFLAG_PREEN | \ | |
563 | XFS_SCRUB_OFLAG_XFAIL | \ | |
564 | XFS_SCRUB_OFLAG_XCORRUPT | \ | |
565 | XFS_SCRUB_OFLAG_INCOMPLETE | \ | |
52818844 DW |
566 | XFS_SCRUB_OFLAG_WARNING | \ |
567 | XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED) | |
afbe3b6e DW |
568 | #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) |
569 | ||
54e724c0 JT |
570 | /* |
571 | * ioctl limits | |
572 | */ | |
573 | #ifdef XATTR_LIST_MAX | |
574 | # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX | |
575 | #else | |
576 | # define XFS_XATTR_LIST_MAX 65536 | |
577 | #endif | |
578 | ||
062998e3 NS |
579 | /* |
580 | * ioctl commands that are used by Linux filesystems | |
581 | */ | |
5e656dbb BN |
582 | #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS |
583 | #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS | |
584 | #define XFS_IOC_GETVERSION FS_IOC_GETVERSION | |
062998e3 | 585 | |
2bd0ea18 NS |
586 | /* |
587 | * ioctl commands that replace IRIX fcntl()'s | |
588 | * For 'documentation' purposed more than anything else, | |
589 | * the "cmd #" field reflects the IRIX fcntl number. | |
590 | */ | |
5000d01d SL |
591 | #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) |
592 | #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) | |
593 | #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) | |
ce24180d DW |
594 | #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
595 | #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
5000d01d SL |
596 | #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) |
597 | #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) | |
598 | #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) | |
599 | #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) | |
600 | #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) | |
601 | #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) | |
602 | #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) | |
603 | #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) | |
604 | #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) | |
605 | #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) | |
606 | /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ | |
607 | /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ | |
608 | #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) | |
72ec2b76 | 609 | #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) |
e6d77a21 | 610 | #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) |
9282c506 | 611 | /* XFS_IOC_GETFSMAP ------ hoisted 59 */ |
afbe3b6e | 612 | #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) |
2bd0ea18 NS |
613 | |
614 | /* | |
615 | * ioctl commands that replace IRIX syssgi()'s | |
616 | */ | |
5000d01d SL |
617 | #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) |
618 | #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) | |
619 | #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) | |
620 | #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) | |
621 | #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) | |
622 | #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) | |
623 | #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) | |
624 | #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) | |
625 | #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) | |
2bd0ea18 | 626 | #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) |
5000d01d SL |
627 | #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) |
628 | #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) | |
629 | #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) | |
630 | #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) | |
e246ba5f | 631 | #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) |
5000d01d SL |
632 | #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) |
633 | #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) | |
634 | #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) | |
635 | /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ | |
79737cd9 | 636 | |
721948f7 CH |
637 | #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ |
638 | #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ | |
79737cd9 | 639 | |
5000d01d SL |
640 | #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) |
641 | #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) | |
642 | #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) | |
643 | #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) | |
4a492e72 | 644 | #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) |
5000d01d | 645 | /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ |
062998e3 | 646 | |
bb8aab66 | 647 | /* reflink ioctls; these MUST match the btrfs ioctl definitions */ |
2afac833 DW |
648 | /* from struct btrfs_ioctl_clone_range_args */ |
649 | struct xfs_clone_args { | |
bb8aab66 DW |
650 | __s64 src_fd; |
651 | __u64 src_offset; | |
652 | __u64 src_length; | |
653 | __u64 dest_offset; | |
654 | }; | |
655 | ||
2afac833 DW |
656 | /* extent-same (dedupe) ioctls; these MUST match the btrfs ioctl definitions */ |
657 | #define XFS_EXTENT_DATA_SAME 0 | |
658 | #define XFS_EXTENT_DATA_DIFFERS 1 | |
659 | ||
660 | /* from struct btrfs_ioctl_file_extent_same_info */ | |
661 | struct xfs_extent_data_info { | |
bb8aab66 DW |
662 | __s64 fd; /* in - destination file */ |
663 | __u64 logical_offset; /* in - start of extent in destination */ | |
664 | __u64 bytes_deduped; /* out - total # of bytes we were able | |
665 | * to dedupe from this file */ | |
666 | /* status of this dedupe operation: | |
bb8aab66 | 667 | * < 0 for error |
2afac833 DW |
668 | * == XFS_EXTENT_DATA_SAME if dedupe succeeds |
669 | * == XFS_EXTENT_DATA_DIFFERS if data differs | |
bb8aab66 DW |
670 | */ |
671 | __s32 status; /* out - see above description */ | |
672 | __u32 reserved; | |
673 | }; | |
674 | ||
2afac833 DW |
675 | /* from struct btrfs_ioctl_file_extent_same_args */ |
676 | struct xfs_extent_data { | |
bb8aab66 DW |
677 | __u64 logical_offset; /* in - start of extent in source */ |
678 | __u64 length; /* in - length of extent */ | |
679 | __u16 dest_count; /* in - total elements in info array */ | |
680 | __u16 reserved1; | |
681 | __u32 reserved2; | |
2afac833 | 682 | struct xfs_extent_data_info info[0]; |
bb8aab66 DW |
683 | }; |
684 | ||
685 | #define XFS_IOC_CLONE _IOW (0x94, 9, int) | |
2afac833 DW |
686 | #define XFS_IOC_CLONE_RANGE _IOW (0x94, 13, struct xfs_clone_args) |
687 | #define XFS_IOC_FILE_EXTENT_SAME _IOWR(0x94, 54, struct xfs_extent_data) | |
2bd0ea18 | 688 | |
93d9f139 | 689 | #ifndef HAVE_BBMACROS |
2bd0ea18 | 690 | /* |
5000d01d | 691 | * Block I/O parameterization. A basic block (BB) is the lowest size of |
a7565da0 | 692 | * filesystem allocation, and must equal 512. Length units given to bio |
2bd0ea18 NS |
693 | * routines are in BB's. |
694 | */ | |
5000d01d SL |
695 | #define BBSHIFT 9 |
696 | #define BBSIZE (1<<BBSHIFT) | |
697 | #define BBMASK (BBSIZE-1) | |
698 | #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) | |
699 | #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) | |
700 | #define BBTOB(bbs) ((bbs) << BBSHIFT) | |
93d9f139 | 701 | #endif |
2bd0ea18 | 702 | |
53f8ad6d | 703 | #endif /* __XFS_FS_H__ */ |