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0b61f8a4 | 1 | // SPDX-License-Identifier: LGPL-2.1 |
1da177e4 | 2 | /* |
7b718769 NS |
3 | * Copyright (c) 1995-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
1da177e4 LT |
26 | /* |
27 | * Structure for XFS_IOC_GETBMAP. | |
28 | * On input, fill in bmv_offset and bmv_length of the first structure | |
ba0b92d6 NS |
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. | |
1da177e4 LT |
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 */ | |
5af317c9 | 70 | #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ |
9af25465 | 71 | #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ |
f86f4037 | 72 | #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ |
5af317c9 | 73 | #define BMV_IF_VALID \ |
9af25465 | 74 | (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ |
f86f4037 | 75 | BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) |
1da177e4 | 76 | |
411c9403 | 77 | /* bmv_oflags values - returned for each non-header segment */ |
1da177e4 | 78 | #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ |
5af317c9 ES |
79 | #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ |
80 | #define BMV_OF_LAST 0x4 /* segment is the last in the file */ | |
f86f4037 | 81 | #define BMV_OF_SHARED 0x8 /* segment shared with another file */ |
1da177e4 | 82 | |
e89c0413 DW |
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 | ||
1da177e4 LT |
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 | |
6f71fb68 | 100 | * struct xfs_bstat fields bs_dmevmask and bs_dmstate.) |
1da177e4 LT |
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 | */ | |
1b6d968d | 127 | struct xfs_fsop_geom_v1 { |
1da177e4 LT |
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 */ | |
1b6d968d DC |
148 | }; |
149 | ||
150 | /* | |
151 | * Output for XFS_IOC_FSGEOMETRY_V4 | |
152 | */ | |
153 | struct xfs_fsop_geom_v4 { | |
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 | }; | |
1da177e4 LT |
176 | |
177 | /* | |
178 | * Output for XFS_IOC_FSGEOMETRY | |
179 | */ | |
1b6d968d | 180 | struct xfs_fsop_geom { |
1da177e4 LT |
181 | __u32 blocksize; /* filesystem (data) block size */ |
182 | __u32 rtextsize; /* realtime extent size */ | |
183 | __u32 agblocks; /* fsblocks in an AG */ | |
184 | __u32 agcount; /* number of allocation groups */ | |
185 | __u32 logblocks; /* fsblocks in the log */ | |
186 | __u32 sectsize; /* (data) sector size, bytes */ | |
187 | __u32 inodesize; /* inode size in bytes */ | |
188 | __u32 imaxpct; /* max allowed inode space(%) */ | |
189 | __u64 datablocks; /* fsblocks in data subvolume */ | |
190 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
191 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
192 | __u64 logstart; /* starting fsblock of the log */ | |
193 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
194 | __u32 sunit; /* stripe unit, fsblocks */ | |
195 | __u32 swidth; /* stripe width, fsblocks */ | |
196 | __s32 version; /* structure version */ | |
197 | __u32 flags; /* superblock version flags */ | |
198 | __u32 logsectsize; /* log sector size, bytes */ | |
199 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
200 | __u32 dirblocksize; /* directory block size, bytes */ | |
1b6d968d | 201 | __u32 logsunit; /* log stripe unit, bytes */ |
c23232d4 DW |
202 | uint32_t sick; /* o: unhealthy fs & rt metadata */ |
203 | uint32_t checked; /* o: checked fs & rt metadata */ | |
204 | __u64 reserved[17]; /* reserved space */ | |
1b6d968d | 205 | }; |
1da177e4 | 206 | |
c23232d4 DW |
207 | #define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */ |
208 | #define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */ | |
209 | #define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */ | |
210 | #define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */ | |
211 | #define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */ | |
212 | #define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */ | |
213 | ||
1da177e4 LT |
214 | /* Output for XFS_FS_COUNTS */ |
215 | typedef struct xfs_fsop_counts { | |
216 | __u64 freedata; /* free data section blocks */ | |
217 | __u64 freertx; /* free rt extents */ | |
218 | __u64 freeino; /* free inodes */ | |
219 | __u64 allocino; /* total allocated inodes */ | |
220 | } xfs_fsop_counts_t; | |
221 | ||
222 | /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ | |
223 | typedef struct xfs_fsop_resblks { | |
224 | __u64 resblks; | |
225 | __u64 resblks_avail; | |
226 | } xfs_fsop_resblks_t; | |
227 | ||
1b6d968d DC |
228 | #define XFS_FSOP_GEOM_VERSION 0 |
229 | #define XFS_FSOP_GEOM_VERSION_V5 5 | |
230 | ||
231 | #define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */ | |
232 | #define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */ | |
233 | #define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */ | |
234 | #define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */ | |
235 | #define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */ | |
236 | #define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */ | |
237 | #define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */ | |
238 | #define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */ | |
239 | #define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */ | |
240 | #define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */ | |
241 | #define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */ | |
242 | #define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */ | |
243 | #define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */ | |
244 | /* -- Do not use -- (1 << 13) SGI parent pointers */ | |
245 | #define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */ | |
246 | #define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */ | |
247 | #define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */ | |
248 | #define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */ | |
249 | #define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */ | |
250 | #define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */ | |
251 | #define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */ | |
1da177e4 LT |
252 | |
253 | /* | |
3e7b91cf JL |
254 | * Minimum and maximum sizes need for growth checks. |
255 | * | |
256 | * Block counts are in units of filesystem blocks, not basic blocks. | |
1da177e4 LT |
257 | */ |
258 | #define XFS_MIN_AG_BLOCKS 64 | |
e1696834 CH |
259 | #define XFS_MIN_LOG_BLOCKS 512ULL |
260 | #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) | |
261 | #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) | |
262 | ||
4bb73d01 DW |
263 | /* |
264 | * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than | |
265 | * 16MB or larger than 1TB. | |
266 | */ | |
267 | #define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */ | |
268 | #define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */ | |
269 | ||
e1696834 CH |
270 | /* keep the maximum size under 2^31 by a small amount */ |
271 | #define XFS_MAX_LOG_BYTES \ | |
272 | ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) | |
1da177e4 | 273 | |
c0e090ce | 274 | /* Used for sanity checks on superblock */ |
d5cf09ba CH |
275 | #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) |
276 | #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ | |
c0e090ce ES |
277 | (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) |
278 | ||
7cd5006b DW |
279 | /* |
280 | * Output for XFS_IOC_AG_GEOMETRY | |
281 | */ | |
282 | struct xfs_ag_geometry { | |
283 | uint32_t ag_number; /* i/o: AG number */ | |
284 | uint32_t ag_length; /* o: length in blocks */ | |
285 | uint32_t ag_freeblks; /* o: free space */ | |
286 | uint32_t ag_icount; /* o: inodes allocated */ | |
287 | uint32_t ag_ifree; /* o: inodes free */ | |
1302c6a2 DW |
288 | uint32_t ag_sick; /* o: sick things in ag */ |
289 | uint32_t ag_checked; /* o: checked metadata in ag */ | |
7cd5006b | 290 | uint32_t ag_reserved32; /* o: zero */ |
1302c6a2 | 291 | uint64_t ag_reserved[12];/* o: zero */ |
7cd5006b | 292 | }; |
1302c6a2 DW |
293 | #define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */ |
294 | #define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */ | |
295 | #define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */ | |
296 | #define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */ | |
297 | #define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */ | |
298 | #define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */ | |
299 | #define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */ | |
300 | #define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */ | |
301 | #define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */ | |
302 | #define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */ | |
7cd5006b | 303 | |
1da177e4 LT |
304 | /* |
305 | * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT | |
306 | */ | |
307 | typedef struct xfs_growfs_data { | |
308 | __u64 newblocks; /* new data subvol size, fsblocks */ | |
309 | __u32 imaxpct; /* new inode space percentage limit */ | |
310 | } xfs_growfs_data_t; | |
311 | ||
312 | typedef struct xfs_growfs_log { | |
313 | __u32 newblocks; /* new log size, fsblocks */ | |
314 | __u32 isint; /* 1 if new log is internal */ | |
315 | } xfs_growfs_log_t; | |
316 | ||
317 | typedef struct xfs_growfs_rt { | |
318 | __u64 newblocks; /* new realtime size, fsblocks */ | |
319 | __u32 extsize; /* new realtime extent size, fsblocks */ | |
320 | } xfs_growfs_rt_t; | |
321 | ||
322 | ||
323 | /* | |
324 | * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE | |
325 | */ | |
326 | typedef struct xfs_bstime { | |
327 | time_t tv_sec; /* seconds */ | |
328 | __s32 tv_nsec; /* and nanoseconds */ | |
329 | } xfs_bstime_t; | |
330 | ||
6f71fb68 | 331 | struct xfs_bstat { |
1da177e4 LT |
332 | __u64 bs_ino; /* inode number */ |
333 | __u16 bs_mode; /* type and mode */ | |
334 | __u16 bs_nlink; /* number of links */ | |
335 | __u32 bs_uid; /* user id */ | |
336 | __u32 bs_gid; /* group id */ | |
337 | __u32 bs_rdev; /* device value */ | |
338 | __s32 bs_blksize; /* block size */ | |
339 | __s64 bs_size; /* file size */ | |
340 | xfs_bstime_t bs_atime; /* access time */ | |
341 | xfs_bstime_t bs_mtime; /* modify time */ | |
342 | xfs_bstime_t bs_ctime; /* inode change time */ | |
343 | int64_t bs_blocks; /* number of blocks */ | |
344 | __u32 bs_xflags; /* extended flags */ | |
345 | __s32 bs_extsize; /* extent size */ | |
346 | __s32 bs_extents; /* number of extents */ | |
347 | __u32 bs_gen; /* generation count */ | |
6743099c AM |
348 | __u16 bs_projid_lo; /* lower part of project id */ |
349 | #define bs_projid bs_projid_lo /* (previously just bs_projid) */ | |
07000ee6 | 350 | __u16 bs_forkoff; /* inode fork offset in bytes */ |
6743099c | 351 | __u16 bs_projid_hi; /* higher part of project id */ |
89d139d5 DW |
352 | uint16_t bs_sick; /* sick inode metadata */ |
353 | uint16_t bs_checked; /* checked inode metadata */ | |
354 | unsigned char bs_pad[2]; /* pad space, unused */ | |
f7ca3522 | 355 | __u32 bs_cowextsize; /* cow extent size */ |
1da177e4 LT |
356 | __u32 bs_dmevmask; /* DMIG event mask */ |
357 | __u16 bs_dmstate; /* DMIG state info */ | |
358 | __u16 bs_aextents; /* attribute number of extents */ | |
6f71fb68 | 359 | }; |
1da177e4 | 360 | |
89d139d5 DW |
361 | /* bs_sick flags */ |
362 | #define XFS_BS_SICK_INODE (1 << 0) /* inode core */ | |
363 | #define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */ | |
364 | #define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */ | |
365 | #define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */ | |
366 | #define XFS_BS_SICK_DIR (1 << 4) /* directory */ | |
367 | #define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */ | |
368 | #define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */ | |
369 | #define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */ | |
370 | ||
d386b32b DC |
371 | /* |
372 | * Project quota id helpers (previously projid was 16bit only | |
373 | * and using two 16bit values to hold new 32bit projid was choosen | |
374 | * to retain compatibility with "old" filesystems). | |
375 | */ | |
c8ce540d | 376 | static inline uint32_t |
d386b32b DC |
377 | bstat_get_projid(struct xfs_bstat *bs) |
378 | { | |
c8ce540d | 379 | return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; |
d386b32b DC |
380 | } |
381 | ||
1da177e4 LT |
382 | /* |
383 | * The user-level BulkStat Request interface structure. | |
384 | */ | |
6f71fb68 | 385 | struct xfs_fsop_bulkreq { |
1da177e4 LT |
386 | __u64 __user *lastip; /* last inode # pointer */ |
387 | __s32 icount; /* count of entries in buffer */ | |
388 | void __user *ubuffer;/* user buffer for inode desc. */ | |
389 | __s32 __user *ocount; /* output count pointer */ | |
6f71fb68 | 390 | }; |
1da177e4 LT |
391 | |
392 | ||
393 | /* | |
394 | * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). | |
395 | */ | |
6f71fb68 | 396 | struct xfs_inogrp { |
1da177e4 LT |
397 | __u64 xi_startino; /* starting inode number */ |
398 | __s32 xi_alloccount; /* # bits set in allocmask */ | |
399 | __u64 xi_allocmask; /* mask of allocated inodes */ | |
6f71fb68 | 400 | }; |
1da177e4 LT |
401 | |
402 | ||
403 | /* | |
404 | * Error injection. | |
405 | */ | |
406 | typedef struct xfs_error_injection { | |
407 | __s32 fd; | |
408 | __s32 errtag; | |
409 | } xfs_error_injection_t; | |
410 | ||
411 | ||
8ca149de BF |
412 | /* |
413 | * Speculative preallocation trimming. | |
414 | */ | |
415 | #define XFS_EOFBLOCKS_VERSION 1 | |
b9fe5052 | 416 | struct xfs_fs_eofblocks { |
8ca149de BF |
417 | __u32 eof_version; |
418 | __u32 eof_flags; | |
3e3f9f58 BF |
419 | uid_t eof_uid; |
420 | gid_t eof_gid; | |
421 | prid_t eof_prid; | |
422 | __u32 pad32; | |
00ca79a0 BF |
423 | __u64 eof_min_file_size; |
424 | __u64 pad64[12]; | |
8ca149de BF |
425 | }; |
426 | ||
427 | /* eof_flags values */ | |
428 | #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ | |
3e3f9f58 BF |
429 | #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ |
430 | #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ | |
431 | #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ | |
00ca79a0 | 432 | #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ |
f4526397 BF |
433 | #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; |
434 | * kernel only, not included in | |
435 | * valid mask */ | |
8ca149de | 436 | #define XFS_EOF_FLAGS_VALID \ |
3e3f9f58 BF |
437 | (XFS_EOF_FLAGS_SYNC | \ |
438 | XFS_EOF_FLAGS_UID | \ | |
439 | XFS_EOF_FLAGS_GID | \ | |
00ca79a0 BF |
440 | XFS_EOF_FLAGS_PRID | \ |
441 | XFS_EOF_FLAGS_MINFILESIZE) | |
8ca149de BF |
442 | |
443 | ||
1da177e4 LT |
444 | /* |
445 | * The user-level Handle Request interface structure. | |
446 | */ | |
447 | typedef struct xfs_fsop_handlereq { | |
448 | __u32 fd; /* fd for FD_TO_HANDLE */ | |
449 | void __user *path; /* user pathname */ | |
450 | __u32 oflags; /* open flags */ | |
451 | void __user *ihandle;/* user supplied handle */ | |
452 | __u32 ihandlen; /* user supplied length */ | |
453 | void __user *ohandle;/* user buffer for handle */ | |
454 | __u32 __user *ohandlen;/* user buffer length */ | |
455 | } xfs_fsop_handlereq_t; | |
456 | ||
457 | /* | |
458 | * Compound structures for passing args through Handle Request interfaces | |
459 | * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle | |
460 | * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and | |
461 | * XFS_IOC_ATTRMULTI_BY_HANDLE | |
462 | */ | |
463 | ||
464 | typedef struct xfs_fsop_setdm_handlereq { | |
465 | struct xfs_fsop_handlereq hreq; /* handle information */ | |
466 | struct fsdmidata __user *data; /* DMAPI data */ | |
467 | } xfs_fsop_setdm_handlereq_t; | |
468 | ||
469 | typedef struct xfs_attrlist_cursor { | |
470 | __u32 opaque[4]; | |
471 | } xfs_attrlist_cursor_t; | |
472 | ||
473 | typedef struct xfs_fsop_attrlist_handlereq { | |
474 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
475 | struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ | |
476 | __u32 flags; /* which namespace to use */ | |
477 | __u32 buflen; /* length of buffer supplied */ | |
478 | void __user *buffer; /* returned names */ | |
479 | } xfs_fsop_attrlist_handlereq_t; | |
480 | ||
481 | typedef struct xfs_attr_multiop { | |
482 | __u32 am_opcode; | |
e182f57a CH |
483 | #define ATTR_OP_GET 1 /* return the indicated attr's value */ |
484 | #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ | |
485 | #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ | |
1da177e4 LT |
486 | __s32 am_error; |
487 | void __user *am_attrname; | |
488 | void __user *am_attrvalue; | |
489 | __u32 am_length; | |
490 | __u32 am_flags; | |
491 | } xfs_attr_multiop_t; | |
492 | ||
493 | typedef struct xfs_fsop_attrmulti_handlereq { | |
494 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
495 | __u32 opcount;/* count of following multiop */ | |
496 | struct xfs_attr_multiop __user *ops; /* attr_multi data */ | |
497 | } xfs_fsop_attrmulti_handlereq_t; | |
498 | ||
499 | /* | |
500 | * per machine unique filesystem identifier types. | |
501 | */ | |
502 | typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ | |
503 | ||
1da177e4 | 504 | typedef struct xfs_fid { |
c6143911 CH |
505 | __u16 fid_len; /* length of remainder */ |
506 | __u16 fid_pad; | |
507 | __u32 fid_gen; /* generation number */ | |
508 | __u64 fid_ino; /* 64 bits inode number */ | |
1da177e4 LT |
509 | } xfs_fid_t; |
510 | ||
1da177e4 LT |
511 | typedef struct xfs_handle { |
512 | union { | |
513 | __s64 align; /* force alignment of ha_fid */ | |
514 | xfs_fsid_t _ha_fsid; /* unique file system identifier */ | |
515 | } ha_u; | |
516 | xfs_fid_t ha_fid; /* file system specific file ID */ | |
517 | } xfs_handle_t; | |
518 | #define ha_fsid ha_u._ha_fsid | |
519 | ||
a133d952 DC |
520 | /* |
521 | * Structure passed to XFS_IOC_SWAPEXT | |
522 | */ | |
523 | typedef struct xfs_swapext | |
524 | { | |
c8ce540d | 525 | int64_t sx_version; /* version */ |
a133d952 | 526 | #define XFS_SX_VERSION 0 |
c8ce540d DW |
527 | int64_t sx_fdtarget; /* fd of target file */ |
528 | int64_t sx_fdtmp; /* fd of tmp file */ | |
a133d952 DC |
529 | xfs_off_t sx_offset; /* offset into file */ |
530 | xfs_off_t sx_length; /* leng from offset */ | |
531 | char sx_pad[16]; /* pad space, unused */ | |
6f71fb68 | 532 | struct xfs_bstat sx_stat; /* stat of target b4 copy */ |
a133d952 DC |
533 | } xfs_swapext_t; |
534 | ||
3f89243c | 535 | /* |
1da177e4 LT |
536 | * Flags for going down operation |
537 | */ | |
538 | #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ | |
539 | #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ | |
540 | #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ | |
541 | ||
36fd6e86 DW |
542 | /* metadata scrubbing */ |
543 | struct xfs_scrub_metadata { | |
544 | __u32 sm_type; /* What to check? */ | |
545 | __u32 sm_flags; /* flags; see below. */ | |
546 | __u64 sm_ino; /* inode number. */ | |
547 | __u32 sm_gen; /* inode generation. */ | |
548 | __u32 sm_agno; /* ag number. */ | |
549 | __u64 sm_reserved[5]; /* pad to 64 bytes */ | |
550 | }; | |
551 | ||
552 | /* | |
553 | * Metadata types and flags for scrub operation. | |
554 | */ | |
555 | ||
556 | /* Scrub subcommands. */ | |
dcb660f9 | 557 | #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ |
21fb4cb1 | 558 | #define XFS_SCRUB_TYPE_SB 1 /* superblock */ |
ab9d5dc5 DW |
559 | #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ |
560 | #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ | |
a12890ae | 561 | #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ |
efa7a99c DW |
562 | #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ |
563 | #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ | |
3daa6641 DW |
564 | #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ |
565 | #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ | |
c7e693d9 | 566 | #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ |
edc09b52 | 567 | #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ |
80e4e126 | 568 | #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ |
99d9d8d0 DW |
569 | #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ |
570 | #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ | |
571 | #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ | |
a5c46e5e | 572 | #define XFS_SCRUB_TYPE_DIR 15 /* directory */ |
eec0482e | 573 | #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ |
2a721dbb | 574 | #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ |
0f28b257 | 575 | #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ |
29b0767b DW |
576 | #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ |
577 | #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ | |
c2fc338c DW |
578 | #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ |
579 | #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ | |
580 | #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ | |
75efa57d | 581 | #define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */ |
36fd6e86 DW |
582 | |
583 | /* Number of scrub subcommands. */ | |
75efa57d | 584 | #define XFS_SCRUB_TYPE_NR 25 |
36fd6e86 DW |
585 | |
586 | /* i: Repair this metadata. */ | |
587 | #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) | |
588 | ||
589 | /* o: Metadata object needs repair. */ | |
590 | #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) | |
591 | ||
592 | /* | |
593 | * o: Metadata object could be optimized. It's not corrupt, but | |
594 | * we could improve on it somehow. | |
595 | */ | |
596 | #define XFS_SCRUB_OFLAG_PREEN (1 << 2) | |
597 | ||
598 | /* o: Cross-referencing failed. */ | |
599 | #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) | |
600 | ||
601 | /* o: Metadata object disagrees with cross-referenced metadata. */ | |
602 | #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) | |
603 | ||
604 | /* o: Scan was not complete. */ | |
605 | #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) | |
606 | ||
607 | /* o: Metadata object looked funny but isn't corrupt. */ | |
608 | #define XFS_SCRUB_OFLAG_WARNING (1 << 6) | |
609 | ||
84d42ea6 DW |
610 | /* |
611 | * o: IFLAG_REPAIR was set but metadata object did not need fixing or | |
612 | * optimization and has therefore not been altered. | |
613 | */ | |
614 | #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1 << 7) | |
615 | ||
36fd6e86 DW |
616 | #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) |
617 | #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ | |
618 | XFS_SCRUB_OFLAG_PREEN | \ | |
619 | XFS_SCRUB_OFLAG_XFAIL | \ | |
620 | XFS_SCRUB_OFLAG_XCORRUPT | \ | |
621 | XFS_SCRUB_OFLAG_INCOMPLETE | \ | |
84d42ea6 DW |
622 | XFS_SCRUB_OFLAG_WARNING | \ |
623 | XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED) | |
36fd6e86 DW |
624 | #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) |
625 | ||
4e247614 JT |
626 | /* |
627 | * ioctl limits | |
628 | */ | |
629 | #ifdef XATTR_LIST_MAX | |
630 | # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX | |
631 | #else | |
632 | # define XFS_XATTR_LIST_MAX 65536 | |
633 | #endif | |
634 | ||
635 | ||
1da177e4 LT |
636 | /* |
637 | * ioctl commands that are used by Linux filesystems | |
638 | */ | |
bc58f9bb ES |
639 | #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS |
640 | #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS | |
641 | #define XFS_IOC_GETVERSION FS_IOC_GETVERSION | |
1da177e4 LT |
642 | |
643 | /* | |
644 | * ioctl commands that replace IRIX fcntl()'s | |
645 | * For 'documentation' purposed more than anything else, | |
646 | * the "cmd #" field reflects the IRIX fcntl number. | |
647 | */ | |
648 | #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) | |
649 | #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) | |
650 | #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) | |
334e580a DC |
651 | #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
652 | #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
1da177e4 LT |
653 | #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) |
654 | #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) | |
655 | #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) | |
656 | #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) | |
657 | #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) | |
658 | #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) | |
659 | #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) | |
660 | #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) | |
661 | #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) | |
662 | #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) | |
663 | /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ | |
664 | /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ | |
665 | #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) | |
44722352 | 666 | #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) |
b771af2f | 667 | #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) |
e89c0413 | 668 | /* XFS_IOC_GETFSMAP ------ hoisted 59 */ |
36fd6e86 | 669 | #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) |
7cd5006b | 670 | #define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry) |
1da177e4 LT |
671 | |
672 | /* | |
673 | * ioctl commands that replace IRIX syssgi()'s | |
674 | */ | |
675 | #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) | |
676 | #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) | |
677 | #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) | |
678 | #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) | |
679 | #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) | |
680 | #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) | |
681 | #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) | |
682 | #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) | |
683 | #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) | |
684 | #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) | |
685 | #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) | |
686 | #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) | |
687 | #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) | |
688 | #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) | |
689 | #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) | |
690 | #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) | |
691 | #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) | |
692 | #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) | |
693 | /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ | |
d386b32b | 694 | |
4478fb1f CH |
695 | #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ |
696 | #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ | |
d386b32b | 697 | |
1da177e4 LT |
698 | #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) |
699 | #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) | |
700 | #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) | |
1b6d968d | 701 | #define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4) |
c8ce540d | 702 | #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) |
1b6d968d | 703 | #define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom) |
1da177e4 LT |
704 | /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ |
705 | ||
706 | ||
707 | #ifndef HAVE_BBMACROS | |
708 | /* | |
709 | * Block I/O parameterization. A basic block (BB) is the lowest size of | |
710 | * filesystem allocation, and must equal 512. Length units given to bio | |
711 | * routines are in BB's. | |
712 | */ | |
713 | #define BBSHIFT 9 | |
714 | #define BBSIZE (1<<BBSHIFT) | |
715 | #define BBMASK (BBSIZE-1) | |
716 | #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) | |
717 | #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) | |
718 | #define BBTOB(bbs) ((bbs) << BBSHIFT) | |
719 | #endif | |
720 | ||
721 | #endif /* __XFS_FS_H__ */ |