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2bd0ea18 | 1 | /* |
f302e9e4 NS |
2 | * Copyright (c) 1995-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
a32ec6a8 | 4 | * |
f302e9e4 NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public License | |
a32ec6a8 DR |
7 | * as published by the Free Software Foundation. |
8 | * | |
f302e9e4 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 | |
12 | * GNU Lesser General Public License for more details. | |
a32ec6a8 | 13 | * |
f302e9e4 NS |
14 | * You should have received a copy of the GNU Lesser General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 | 17 | */ |
53f8ad6d NS |
18 | #ifndef __XFS_FS_H__ |
19 | #define __XFS_FS_H__ | |
2bd0ea18 NS |
20 | |
21 | /* | |
22 | * SGI's XFS filesystem's major stuff (constants, structures) | |
23 | */ | |
24 | ||
5000d01d | 25 | /* |
8c4a2bb0 | 26 | * Direct I/O attribute record used with XFS_IOC_DIOINFO |
2bd0ea18 NS |
27 | * d_miniosz is the min xfer size, xfer size multiple and file seek offset |
28 | * alignment. | |
29 | */ | |
93d9f139 | 30 | #ifndef HAVE_DIOATTR |
2bd0ea18 | 31 | struct dioattr { |
5000d01d | 32 | __u32 d_mem; /* data buffer memory alignment */ |
2bd0ea18 NS |
33 | __u32 d_miniosz; /* min xfer size */ |
34 | __u32 d_maxiosz; /* max xfer size */ | |
35 | }; | |
93d9f139 | 36 | #endif |
2bd0ea18 NS |
37 | |
38 | /* | |
83f4b5ac DC |
39 | * Flags for the bs_xflags/fsx_xflags field in XFS_IOC_FS[GS]ETXATTR[A] |
40 | * These are for backwards compatibility only. New code should | |
41 | * use the kernel [4.5 onwards] defined FS_XFLAG_* definitions directly. | |
2bd0ea18 | 42 | */ |
83f4b5ac DC |
43 | #define XFS_XFLAG_REALTIME FS_XFLAG_REALTIME |
44 | #define XFS_XFLAG_PREALLOC FS_XFLAG_PREALLOC | |
45 | #define XFS_XFLAG_IMMUTABLE FS_XFLAG_IMMUTABLE | |
46 | #define XFS_XFLAG_APPEND FS_XFLAG_APPEND | |
47 | #define XFS_XFLAG_SYNC FS_XFLAG_SYNC | |
48 | #define XFS_XFLAG_NOATIME FS_XFLAG_NOATIME | |
49 | #define XFS_XFLAG_NODUMP FS_XFLAG_NODUMP | |
50 | #define XFS_XFLAG_RTINHERIT FS_XFLAG_RTINHERIT | |
51 | #define XFS_XFLAG_PROJINHERIT FS_XFLAG_PROJINHERIT | |
52 | #define XFS_XFLAG_NOSYMLINKS FS_XFLAG_NOSYMLINKS | |
53 | #define XFS_XFLAG_EXTSIZE FS_XFLAG_EXTSIZE | |
54 | #define XFS_XFLAG_EXTSZINHERIT FS_XFLAG_EXTSZINHERIT | |
55 | #define XFS_XFLAG_NODEFRAG FS_XFLAG_NODEFRAG | |
56 | #define XFS_XFLAG_FILESTREAM FS_XFLAG_FILESTREAM | |
57 | #define XFS_XFLAG_HASATTR FS_XFLAG_HASATTR | |
58 | ||
2bd0ea18 | 59 | /* |
8c4a2bb0 | 60 | * Structure for XFS_IOC_GETBMAP. |
2bd0ea18 | 61 | * On input, fill in bmv_offset and bmv_length of the first structure |
5e656dbb BN |
62 | * to indicate the area of interest in the file, and bmv_entries with |
63 | * the number of array elements given back. The first structure is | |
64 | * updated on return to give the offset and length for the next call. | |
2bd0ea18 | 65 | */ |
93d9f139 | 66 | #ifndef HAVE_GETBMAP |
2bd0ea18 NS |
67 | struct getbmap { |
68 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
69 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
70 | __s64 bmv_length; /* length of segment, blocks */ | |
71 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
72 | __s32 bmv_entries; /* # of entries filled in (output) */ | |
73 | }; | |
93d9f139 | 74 | #endif |
2bd0ea18 NS |
75 | |
76 | /* | |
5000d01d | 77 | * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries |
2bd0ea18 NS |
78 | * are used exactly as in the getbmap structure. The getbmapx structure |
79 | * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field | |
5000d01d | 80 | * is only used for the first structure. It contains input flags |
8c4a2bb0 NS |
81 | * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled |
82 | * in by the XFS_IOC_GETBMAPX command for each returned structure after | |
83 | * the first. | |
2bd0ea18 | 84 | */ |
93d9f139 | 85 | #ifndef HAVE_GETBMAPX |
2bd0ea18 NS |
86 | struct getbmapx { |
87 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
88 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
89 | __s64 bmv_length; /* length of segment, blocks */ | |
90 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
91 | __s32 bmv_entries; /* # of entries filled in (output). */ | |
92 | __s32 bmv_iflags; /* input flags (1st structure) */ | |
93 | __s32 bmv_oflags; /* output flags (after 1st structure)*/ | |
94 | __s32 bmv_unused1; /* future use */ | |
95 | __s32 bmv_unused2; /* future use */ | |
96 | }; | |
93d9f139 | 97 | #endif |
2bd0ea18 | 98 | |
8c4a2bb0 | 99 | /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ |
5000d01d | 100 | #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ |
2bd0ea18 NS |
101 | #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ |
102 | #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ | |
56b2de80 DC |
103 | #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ |
104 | #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ | |
464e5807 | 105 | #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */ |
56b2de80 DC |
106 | #define BMV_IF_VALID \ |
107 | (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ | |
464e5807 | 108 | BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK) |
2bd0ea18 | 109 | |
56b2de80 | 110 | /* bmv_oflags values - returned for each non-header segment */ |
2bd0ea18 | 111 | #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ |
56b2de80 DC |
112 | #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ |
113 | #define BMV_OF_LAST 0x4 /* segment is the last in the file */ | |
464e5807 | 114 | #define BMV_OF_SHARED 0x8 /* segment shared with another file */ |
2bd0ea18 | 115 | |
9282c506 DW |
116 | /* fmr_owner special values for FS_IOC_GETFSMAP */ |
117 | #define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */ | |
118 | #define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */ | |
119 | #define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */ | |
120 | #define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */ | |
121 | #define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */ | |
122 | #define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */ | |
123 | #define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */ | |
124 | #define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */ | |
125 | #define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */ | |
126 | #define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */ | |
127 | ||
2bd0ea18 | 128 | /* |
e1864286 | 129 | * Structure for XFS_IOC_FSSETDM. |
2bd0ea18 NS |
130 | * For use by backup and restore programs to set the XFS on-disk inode |
131 | * fields di_dmevmask and di_dmstate. These must be set to exactly and | |
132 | * only values previously obtained via xfs_bulkstat! (Specifically the | |
133 | * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) | |
134 | */ | |
93d9f139 | 135 | #ifndef HAVE_FSDMIDATA |
2bd0ea18 | 136 | struct fsdmidata { |
578f5654 | 137 | __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ |
2bd0ea18 NS |
138 | __u16 fsd_padding; |
139 | __u16 fsd_dmstate; /* corresponds to di_dmstate */ | |
140 | }; | |
93d9f139 | 141 | #endif |
2bd0ea18 NS |
142 | |
143 | /* | |
144 | * File segment locking set data type for 64 bit access. | |
145 | * Also used for all the RESV/FREE interfaces. | |
146 | */ | |
147 | typedef struct xfs_flock64 { | |
148 | __s16 l_type; | |
149 | __s16 l_whence; | |
150 | __s64 l_start; | |
151 | __s64 l_len; /* len == 0 means until end of file */ | |
5000d01d | 152 | __s32 l_sysid; |
062998e3 | 153 | __u32 l_pid; |
2bd0ea18 NS |
154 | __s32 l_pad[4]; /* reserve area */ |
155 | } xfs_flock64_t; | |
156 | ||
73bf5988 SL |
157 | /* |
158 | * Output for XFS_IOC_FSGEOMETRY_V1 | |
159 | */ | |
160 | typedef struct xfs_fsop_geom_v1 { | |
5000d01d | 161 | __u32 blocksize; /* filesystem (data) block size */ |
73bf5988 SL |
162 | __u32 rtextsize; /* realtime extent size */ |
163 | __u32 agblocks; /* fsblocks in an AG */ | |
5000d01d | 164 | __u32 agcount; /* number of allocation groups */ |
73bf5988 SL |
165 | __u32 logblocks; /* fsblocks in the log */ |
166 | __u32 sectsize; /* (data) sector size, bytes */ | |
167 | __u32 inodesize; /* inode size in bytes */ | |
168 | __u32 imaxpct; /* max allowed inode space(%) */ | |
169 | __u64 datablocks; /* fsblocks in data subvolume */ | |
170 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
171 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
172 | __u64 logstart; /* starting fsblock of the log */ | |
173 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
174 | __u32 sunit; /* stripe unit, fsblocks */ | |
175 | __u32 swidth; /* stripe width, fsblocks */ | |
176 | __s32 version; /* structure version */ | |
177 | __u32 flags; /* superblock version flags */ | |
178 | __u32 logsectsize; /* log sector size, bytes */ | |
179 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
180 | __u32 dirblocksize; /* directory block size, bytes */ | |
181 | } xfs_fsop_geom_v1_t; | |
182 | ||
2bd0ea18 NS |
183 | /* |
184 | * Output for XFS_IOC_FSGEOMETRY | |
185 | */ | |
186 | typedef struct xfs_fsop_geom { | |
5000d01d | 187 | __u32 blocksize; /* filesystem (data) block size */ |
2bd0ea18 NS |
188 | __u32 rtextsize; /* realtime extent size */ |
189 | __u32 agblocks; /* fsblocks in an AG */ | |
5000d01d | 190 | __u32 agcount; /* number of allocation groups */ |
2bd0ea18 NS |
191 | __u32 logblocks; /* fsblocks in the log */ |
192 | __u32 sectsize; /* (data) sector size, bytes */ | |
193 | __u32 inodesize; /* inode size in bytes */ | |
194 | __u32 imaxpct; /* max allowed inode space(%) */ | |
195 | __u64 datablocks; /* fsblocks in data subvolume */ | |
196 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
197 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
198 | __u64 logstart; /* starting fsblock of the log */ | |
199 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
200 | __u32 sunit; /* stripe unit, fsblocks */ | |
201 | __u32 swidth; /* stripe width, fsblocks */ | |
202 | __s32 version; /* structure version */ | |
203 | __u32 flags; /* superblock version flags */ | |
204 | __u32 logsectsize; /* log sector size, bytes */ | |
205 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
206 | __u32 dirblocksize; /* directory block size, bytes */ | |
73bf5988 | 207 | __u32 logsunit; /* log stripe unit, bytes */ |
2bd0ea18 NS |
208 | } xfs_fsop_geom_t; |
209 | ||
210 | /* Output for XFS_FS_COUNTS */ | |
211 | typedef struct xfs_fsop_counts { | |
212 | __u64 freedata; /* free data section blocks */ | |
213 | __u64 freertx; /* free rt extents */ | |
214 | __u64 freeino; /* free inodes */ | |
215 | __u64 allocino; /* total allocated inodes */ | |
216 | } xfs_fsop_counts_t; | |
217 | ||
218 | /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ | |
219 | typedef struct xfs_fsop_resblks { | |
220 | __u64 resblks; | |
221 | __u64 resblks_avail; | |
222 | } xfs_fsop_resblks_t; | |
223 | ||
5000d01d | 224 | #define XFS_FSOP_GEOM_VERSION 0 |
2bd0ea18 | 225 | |
9440d84d NS |
226 | #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ |
227 | #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ | |
228 | #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ | |
229 | #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ | |
230 | #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ | |
231 | #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ | |
232 | #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ | |
233 | #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ | |
234 | #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ | |
235 | #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ | |
ca86e759 | 236 | #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ |
6f700630 | 237 | #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ |
a2ceac1f | 238 | #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ |
cdded3d8 | 239 | #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ |
67e389c5 | 240 | #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ |
6f700630 | 241 | #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ |
608dff09 | 242 | #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ |
5f90a192 | 243 | #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ |
f0b8028c DW |
244 | #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */ |
245 | #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */ | |
2bd0ea18 | 246 | |
2bd0ea18 | 247 | /* |
88cd79be DC |
248 | * Minimum and maximum sizes need for growth checks. |
249 | * | |
250 | * Block counts are in units of filesystem blocks, not basic blocks. | |
2bd0ea18 | 251 | */ |
5000d01d | 252 | #define XFS_MIN_AG_BLOCKS 64 |
a6634fba DC |
253 | #define XFS_MIN_LOG_BLOCKS 512ULL |
254 | #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) | |
255 | #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) | |
256 | ||
257 | /* keep the maximum size under 2^31 by a small amount */ | |
258 | #define XFS_MAX_LOG_BYTES \ | |
259 | ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) | |
2bd0ea18 | 260 | |
a2ceac1f | 261 | /* Used for sanity checks on superblock */ |
5a35bf2c DC |
262 | #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) |
263 | #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ | |
a2ceac1f DC |
264 | (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) |
265 | ||
2bd0ea18 | 266 | /* |
8c4a2bb0 | 267 | * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT |
2bd0ea18 NS |
268 | */ |
269 | typedef struct xfs_growfs_data { | |
270 | __u64 newblocks; /* new data subvol size, fsblocks */ | |
271 | __u32 imaxpct; /* new inode space percentage limit */ | |
272 | } xfs_growfs_data_t; | |
273 | ||
2bd0ea18 NS |
274 | typedef struct xfs_growfs_log { |
275 | __u32 newblocks; /* new log size, fsblocks */ | |
276 | __u32 isint; /* 1 if new log is internal */ | |
277 | } xfs_growfs_log_t; | |
278 | ||
2bd0ea18 NS |
279 | typedef struct xfs_growfs_rt { |
280 | __u64 newblocks; /* new realtime size, fsblocks */ | |
281 | __u32 extsize; /* new realtime extent size, fsblocks */ | |
282 | } xfs_growfs_rt_t; | |
283 | ||
284 | ||
285 | /* | |
286 | * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE | |
287 | */ | |
288 | typedef struct xfs_bstime { | |
289 | time_t tv_sec; /* seconds */ | |
290 | __s32 tv_nsec; /* and nanoseconds */ | |
291 | } xfs_bstime_t; | |
292 | ||
293 | typedef struct xfs_bstat { | |
294 | __u64 bs_ino; /* inode number */ | |
295 | __u16 bs_mode; /* type and mode */ | |
296 | __u16 bs_nlink; /* number of links */ | |
297 | __u32 bs_uid; /* user id */ | |
298 | __u32 bs_gid; /* group id */ | |
299 | __u32 bs_rdev; /* device value */ | |
300 | __s32 bs_blksize; /* block size */ | |
301 | __s64 bs_size; /* file size */ | |
302 | xfs_bstime_t bs_atime; /* access time */ | |
303 | xfs_bstime_t bs_mtime; /* modify time */ | |
304 | xfs_bstime_t bs_ctime; /* inode change time */ | |
305 | int64_t bs_blocks; /* number of blocks */ | |
306 | __u32 bs_xflags; /* extended flags */ | |
307 | __s32 bs_extsize; /* extent size */ | |
308 | __s32 bs_extents; /* number of extents */ | |
309 | __u32 bs_gen; /* generation count */ | |
22bc10ed | 310 | __u16 bs_projid_lo; /* lower part of project id */ |
56b2de80 | 311 | #define bs_projid bs_projid_lo /* (previously just bs_projid) */ |
bdb041f5 | 312 | __u16 bs_forkoff; /* inode fork offset in bytes */ |
22bc10ed | 313 | __u16 bs_projid_hi; /* higher part of project id */ |
10460994 DW |
314 | unsigned char bs_pad[6]; /* pad space, unused */ |
315 | __u32 bs_cowextsize; /* cow extent size */ | |
2bd0ea18 NS |
316 | __u32 bs_dmevmask; /* DMIG event mask */ |
317 | __u16 bs_dmstate; /* DMIG state info */ | |
318 | __u16 bs_aextents; /* attribute number of extents */ | |
319 | } xfs_bstat_t; | |
320 | ||
79737cd9 DC |
321 | /* |
322 | * Project quota id helpers (previously projid was 16bit only | |
323 | * and using two 16bit values to hold new 32bit projid was choosen | |
324 | * to retain compatibility with "old" filesystems). | |
325 | */ | |
4a492e72 | 326 | static inline uint32_t |
79737cd9 DC |
327 | bstat_get_projid(struct xfs_bstat *bs) |
328 | { | |
4a492e72 | 329 | return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; |
79737cd9 DC |
330 | } |
331 | ||
2bd0ea18 NS |
332 | /* |
333 | * The user-level BulkStat Request interface structure. | |
334 | */ | |
335 | typedef struct xfs_fsop_bulkreq { | |
062998e3 | 336 | __u64 __user *lastip; /* last inode # pointer */ |
2bd0ea18 | 337 | __s32 icount; /* count of entries in buffer */ |
062998e3 NS |
338 | void __user *ubuffer;/* user buffer for inode desc. */ |
339 | __s32 __user *ocount; /* output count pointer */ | |
2bd0ea18 NS |
340 | } xfs_fsop_bulkreq_t; |
341 | ||
342 | ||
343 | /* | |
8c4a2bb0 | 344 | * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). |
2bd0ea18 NS |
345 | */ |
346 | typedef struct xfs_inogrp { | |
347 | __u64 xi_startino; /* starting inode number */ | |
348 | __s32 xi_alloccount; /* # bits set in allocmask */ | |
349 | __u64 xi_allocmask; /* mask of allocated inodes */ | |
350 | } xfs_inogrp_t; | |
351 | ||
352 | ||
8c4a2bb0 NS |
353 | /* |
354 | * Error injection. | |
355 | */ | |
356 | typedef struct xfs_error_injection { | |
5000d01d SL |
357 | __s32 fd; |
358 | __s32 errtag; | |
8c4a2bb0 NS |
359 | } xfs_error_injection_t; |
360 | ||
361 | ||
a2ceac1f DC |
362 | /* |
363 | * Speculative preallocation trimming. | |
364 | */ | |
365 | #define XFS_EOFBLOCKS_VERSION 1 | |
e6d77a21 | 366 | struct xfs_fs_eofblocks { |
a2ceac1f DC |
367 | __u32 eof_version; |
368 | __u32 eof_flags; | |
369 | uid_t eof_uid; | |
370 | gid_t eof_gid; | |
371 | prid_t eof_prid; | |
372 | __u32 pad32; | |
373 | __u64 eof_min_file_size; | |
374 | __u64 pad64[12]; | |
375 | }; | |
376 | ||
377 | /* eof_flags values */ | |
378 | #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ | |
379 | #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ | |
380 | #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ | |
381 | #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ | |
382 | #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ | |
5a35bf2c DC |
383 | #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; |
384 | * kernel only, not included in | |
385 | * valid mask */ | |
a2ceac1f DC |
386 | #define XFS_EOF_FLAGS_VALID \ |
387 | (XFS_EOF_FLAGS_SYNC | \ | |
388 | XFS_EOF_FLAGS_UID | \ | |
389 | XFS_EOF_FLAGS_GID | \ | |
390 | XFS_EOF_FLAGS_PRID | \ | |
391 | XFS_EOF_FLAGS_MINFILESIZE) | |
392 | ||
393 | ||
2bd0ea18 NS |
394 | /* |
395 | * The user-level Handle Request interface structure. | |
396 | */ | |
397 | typedef struct xfs_fsop_handlereq { | |
398 | __u32 fd; /* fd for FD_TO_HANDLE */ | |
062998e3 | 399 | void __user *path; /* user pathname */ |
2bd0ea18 | 400 | __u32 oflags; /* open flags */ |
062998e3 | 401 | void __user *ihandle;/* user supplied handle */ |
2bd0ea18 | 402 | __u32 ihandlen; /* user supplied length */ |
062998e3 NS |
403 | void __user *ohandle;/* user buffer for handle */ |
404 | __u32 __user *ohandlen;/* user buffer length */ | |
2bd0ea18 NS |
405 | } xfs_fsop_handlereq_t; |
406 | ||
2bd0ea18 | 407 | /* |
8c4a2bb0 NS |
408 | * Compound structures for passing args through Handle Request interfaces |
409 | * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle | |
410 | * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and | |
5000d01d | 411 | * XFS_IOC_ATTRMULTI_BY_HANDLE |
2bd0ea18 | 412 | */ |
8c4a2bb0 NS |
413 | |
414 | typedef struct xfs_fsop_setdm_handlereq { | |
062998e3 NS |
415 | struct xfs_fsop_handlereq hreq; /* handle information */ |
416 | struct fsdmidata __user *data; /* DMAPI data */ | |
8c4a2bb0 NS |
417 | } xfs_fsop_setdm_handlereq_t; |
418 | ||
419 | typedef struct xfs_attrlist_cursor { | |
062998e3 | 420 | __u32 opaque[4]; |
8c4a2bb0 NS |
421 | } xfs_attrlist_cursor_t; |
422 | ||
423 | typedef struct xfs_fsop_attrlist_handlereq { | |
062998e3 NS |
424 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ |
425 | struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ | |
426 | __u32 flags; /* which namespace to use */ | |
427 | __u32 buflen; /* length of buffer supplied */ | |
428 | void __user *buffer; /* returned names */ | |
8c4a2bb0 NS |
429 | } xfs_fsop_attrlist_handlereq_t; |
430 | ||
431 | typedef struct xfs_attr_multiop { | |
062998e3 | 432 | __u32 am_opcode; |
5e656dbb BN |
433 | #define ATTR_OP_GET 1 /* return the indicated attr's value */ |
434 | #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ | |
435 | #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ | |
062998e3 NS |
436 | __s32 am_error; |
437 | void __user *am_attrname; | |
438 | void __user *am_attrvalue; | |
439 | __u32 am_length; | |
440 | __u32 am_flags; | |
8c4a2bb0 NS |
441 | } xfs_attr_multiop_t; |
442 | ||
443 | typedef struct xfs_fsop_attrmulti_handlereq { | |
062998e3 NS |
444 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ |
445 | __u32 opcount;/* count of following multiop */ | |
446 | struct xfs_attr_multiop __user *ops; /* attr_multi data */ | |
8c4a2bb0 | 447 | } xfs_fsop_attrmulti_handlereq_t; |
2bd0ea18 NS |
448 | |
449 | /* | |
23aab3f9 | 450 | * per machine unique filesystem identifier types. |
2bd0ea18 | 451 | */ |
23aab3f9 NS |
452 | typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ |
453 | ||
2bd0ea18 | 454 | typedef struct xfs_fid { |
5e656dbb BN |
455 | __u16 fid_len; /* length of remainder */ |
456 | __u16 fid_pad; | |
457 | __u32 fid_gen; /* generation number */ | |
458 | __u64 fid_ino; /* 64 bits inode number */ | |
2bd0ea18 NS |
459 | } xfs_fid_t; |
460 | ||
2bd0ea18 NS |
461 | typedef struct xfs_handle { |
462 | union { | |
463 | __s64 align; /* force alignment of ha_fid */ | |
464 | xfs_fsid_t _ha_fsid; /* unique file system identifier */ | |
465 | } ha_u; | |
5000d01d | 466 | xfs_fid_t ha_fid; /* file system specific file ID */ |
2bd0ea18 | 467 | } xfs_handle_t; |
2bd0ea18 NS |
468 | #define ha_fsid ha_u._ha_fsid |
469 | ||
e334fb79 DC |
470 | /* |
471 | * Structure passed to XFS_IOC_SWAPEXT | |
472 | */ | |
473 | typedef struct xfs_swapext | |
474 | { | |
4a492e72 | 475 | int64_t sx_version; /* version */ |
e334fb79 | 476 | #define XFS_SX_VERSION 0 |
4a492e72 DW |
477 | int64_t sx_fdtarget; /* fd of target file */ |
478 | int64_t sx_fdtmp; /* fd of tmp file */ | |
e334fb79 DC |
479 | xfs_off_t sx_offset; /* offset into file */ |
480 | xfs_off_t sx_length; /* leng from offset */ | |
481 | char sx_pad[16]; /* pad space, unused */ | |
482 | xfs_bstat_t sx_stat; /* stat of target b4 copy */ | |
483 | } xfs_swapext_t; | |
484 | ||
2d5121ac | 485 | /* |
6efd7566 | 486 | * Flags for going down operation |
487 | */ | |
488 | #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ | |
489 | #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ | |
490 | #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ | |
2bd0ea18 | 491 | |
afbe3b6e DW |
492 | /* metadata scrubbing */ |
493 | struct xfs_scrub_metadata { | |
494 | __u32 sm_type; /* What to check? */ | |
495 | __u32 sm_flags; /* flags; see below. */ | |
496 | __u64 sm_ino; /* inode number. */ | |
497 | __u32 sm_gen; /* inode generation. */ | |
498 | __u32 sm_agno; /* ag number. */ | |
499 | __u64 sm_reserved[5]; /* pad to 64 bytes */ | |
500 | }; | |
501 | ||
502 | /* | |
503 | * Metadata types and flags for scrub operation. | |
504 | */ | |
505 | ||
506 | /* Scrub subcommands. */ | |
d17a6275 | 507 | #define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */ |
f253a979 | 508 | #define XFS_SCRUB_TYPE_SB 1 /* superblock */ |
d6e1f78e DW |
509 | #define XFS_SCRUB_TYPE_AGF 2 /* AG free header */ |
510 | #define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */ | |
1770bca2 | 511 | #define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */ |
1b07bd7a DW |
512 | #define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */ |
513 | #define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */ | |
3898cda1 DW |
514 | #define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */ |
515 | #define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */ | |
d21c4120 | 516 | #define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */ |
286f7cc3 | 517 | #define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */ |
1155b77e | 518 | #define XFS_SCRUB_TYPE_INODE 11 /* inode record */ |
c123295f DW |
519 | #define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */ |
520 | #define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */ | |
521 | #define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */ | |
16c101bb | 522 | #define XFS_SCRUB_TYPE_DIR 15 /* directory */ |
97ebbf28 | 523 | #define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */ |
3db552cf | 524 | #define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */ |
9d9d4f08 | 525 | #define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */ |
1da1b678 DW |
526 | #define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */ |
527 | #define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */ | |
821a9754 DW |
528 | #define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */ |
529 | #define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */ | |
530 | #define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */ | |
afbe3b6e DW |
531 | |
532 | /* Number of scrub subcommands. */ | |
821a9754 | 533 | #define XFS_SCRUB_TYPE_NR 24 |
afbe3b6e DW |
534 | |
535 | /* i: Repair this metadata. */ | |
536 | #define XFS_SCRUB_IFLAG_REPAIR (1 << 0) | |
537 | ||
538 | /* o: Metadata object needs repair. */ | |
539 | #define XFS_SCRUB_OFLAG_CORRUPT (1 << 1) | |
540 | ||
541 | /* | |
542 | * o: Metadata object could be optimized. It's not corrupt, but | |
543 | * we could improve on it somehow. | |
544 | */ | |
545 | #define XFS_SCRUB_OFLAG_PREEN (1 << 2) | |
546 | ||
547 | /* o: Cross-referencing failed. */ | |
548 | #define XFS_SCRUB_OFLAG_XFAIL (1 << 3) | |
549 | ||
550 | /* o: Metadata object disagrees with cross-referenced metadata. */ | |
551 | #define XFS_SCRUB_OFLAG_XCORRUPT (1 << 4) | |
552 | ||
553 | /* o: Scan was not complete. */ | |
554 | #define XFS_SCRUB_OFLAG_INCOMPLETE (1 << 5) | |
555 | ||
556 | /* o: Metadata object looked funny but isn't corrupt. */ | |
557 | #define XFS_SCRUB_OFLAG_WARNING (1 << 6) | |
558 | ||
559 | #define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR) | |
560 | #define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \ | |
561 | XFS_SCRUB_OFLAG_PREEN | \ | |
562 | XFS_SCRUB_OFLAG_XFAIL | \ | |
563 | XFS_SCRUB_OFLAG_XCORRUPT | \ | |
564 | XFS_SCRUB_OFLAG_INCOMPLETE | \ | |
565 | XFS_SCRUB_OFLAG_WARNING) | |
566 | #define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT) | |
567 | ||
54e724c0 JT |
568 | /* |
569 | * ioctl limits | |
570 | */ | |
571 | #ifdef XATTR_LIST_MAX | |
572 | # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX | |
573 | #else | |
574 | # define XFS_XATTR_LIST_MAX 65536 | |
575 | #endif | |
576 | ||
062998e3 NS |
577 | /* |
578 | * ioctl commands that are used by Linux filesystems | |
579 | */ | |
5e656dbb BN |
580 | #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS |
581 | #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS | |
582 | #define XFS_IOC_GETVERSION FS_IOC_GETVERSION | |
062998e3 | 583 | |
2bd0ea18 NS |
584 | /* |
585 | * ioctl commands that replace IRIX fcntl()'s | |
586 | * For 'documentation' purposed more than anything else, | |
587 | * the "cmd #" field reflects the IRIX fcntl number. | |
588 | */ | |
5000d01d SL |
589 | #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) |
590 | #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) | |
591 | #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) | |
ce24180d DW |
592 | #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
593 | #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
5000d01d SL |
594 | #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) |
595 | #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) | |
596 | #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) | |
597 | #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) | |
598 | #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) | |
599 | #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) | |
600 | #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) | |
601 | #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) | |
602 | #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) | |
603 | #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) | |
604 | /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ | |
605 | /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ | |
606 | #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) | |
72ec2b76 | 607 | #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) |
e6d77a21 | 608 | #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) |
9282c506 | 609 | /* XFS_IOC_GETFSMAP ------ hoisted 59 */ |
afbe3b6e | 610 | #define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata) |
2bd0ea18 NS |
611 | |
612 | /* | |
613 | * ioctl commands that replace IRIX syssgi()'s | |
614 | */ | |
5000d01d SL |
615 | #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) |
616 | #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) | |
617 | #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) | |
618 | #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) | |
619 | #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) | |
620 | #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) | |
621 | #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) | |
622 | #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) | |
623 | #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) | |
2bd0ea18 | 624 | #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) |
5000d01d SL |
625 | #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) |
626 | #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) | |
627 | #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) | |
628 | #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) | |
e246ba5f | 629 | #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) |
5000d01d SL |
630 | #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) |
631 | #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) | |
632 | #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) | |
633 | /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ | |
79737cd9 | 634 | |
721948f7 CH |
635 | #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */ |
636 | #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */ | |
79737cd9 | 637 | |
5000d01d SL |
638 | #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) |
639 | #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) | |
640 | #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) | |
641 | #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) | |
4a492e72 | 642 | #define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t) |
5000d01d | 643 | /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ |
062998e3 | 644 | |
bb8aab66 | 645 | /* reflink ioctls; these MUST match the btrfs ioctl definitions */ |
2afac833 DW |
646 | /* from struct btrfs_ioctl_clone_range_args */ |
647 | struct xfs_clone_args { | |
bb8aab66 DW |
648 | __s64 src_fd; |
649 | __u64 src_offset; | |
650 | __u64 src_length; | |
651 | __u64 dest_offset; | |
652 | }; | |
653 | ||
2afac833 DW |
654 | /* extent-same (dedupe) ioctls; these MUST match the btrfs ioctl definitions */ |
655 | #define XFS_EXTENT_DATA_SAME 0 | |
656 | #define XFS_EXTENT_DATA_DIFFERS 1 | |
657 | ||
658 | /* from struct btrfs_ioctl_file_extent_same_info */ | |
659 | struct xfs_extent_data_info { | |
bb8aab66 DW |
660 | __s64 fd; /* in - destination file */ |
661 | __u64 logical_offset; /* in - start of extent in destination */ | |
662 | __u64 bytes_deduped; /* out - total # of bytes we were able | |
663 | * to dedupe from this file */ | |
664 | /* status of this dedupe operation: | |
bb8aab66 | 665 | * < 0 for error |
2afac833 DW |
666 | * == XFS_EXTENT_DATA_SAME if dedupe succeeds |
667 | * == XFS_EXTENT_DATA_DIFFERS if data differs | |
bb8aab66 DW |
668 | */ |
669 | __s32 status; /* out - see above description */ | |
670 | __u32 reserved; | |
671 | }; | |
672 | ||
2afac833 DW |
673 | /* from struct btrfs_ioctl_file_extent_same_args */ |
674 | struct xfs_extent_data { | |
bb8aab66 DW |
675 | __u64 logical_offset; /* in - start of extent in source */ |
676 | __u64 length; /* in - length of extent */ | |
677 | __u16 dest_count; /* in - total elements in info array */ | |
678 | __u16 reserved1; | |
679 | __u32 reserved2; | |
2afac833 | 680 | struct xfs_extent_data_info info[0]; |
bb8aab66 DW |
681 | }; |
682 | ||
683 | #define XFS_IOC_CLONE _IOW (0x94, 9, int) | |
2afac833 DW |
684 | #define XFS_IOC_CLONE_RANGE _IOW (0x94, 13, struct xfs_clone_args) |
685 | #define XFS_IOC_FILE_EXTENT_SAME _IOWR(0x94, 54, struct xfs_extent_data) | |
2bd0ea18 | 686 | |
93d9f139 | 687 | #ifndef HAVE_BBMACROS |
2bd0ea18 | 688 | /* |
5000d01d | 689 | * Block I/O parameterization. A basic block (BB) is the lowest size of |
a7565da0 | 690 | * filesystem allocation, and must equal 512. Length units given to bio |
2bd0ea18 NS |
691 | * routines are in BB's. |
692 | */ | |
5000d01d SL |
693 | #define BBSHIFT 9 |
694 | #define BBSIZE (1<<BBSHIFT) | |
695 | #define BBMASK (BBSIZE-1) | |
696 | #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) | |
697 | #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) | |
698 | #define BBTOB(bbs) ((bbs) << BBSHIFT) | |
93d9f139 | 699 | #endif |
2bd0ea18 | 700 | |
53f8ad6d | 701 | #endif /* __XFS_FS_H__ */ |