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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 1995-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 | 5 | * This program is free software; you can redistribute it and/or |
3ddb8fa9 NS |
6 | * modify it under the terms of the GNU Lesser General Public License |
7 | * as published by the Free Software Foundation. | |
1da177e4 | 8 | * |
7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
3ddb8fa9 | 12 | * GNU Lesser General Public License for more details. |
1da177e4 | 13 | * |
3ddb8fa9 | 14 | * You should have received a copy of the GNU Lesser General Public License |
7b718769 NS |
15 | * along with this program; if not, write the Free Software Foundation, |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
1da177e4 LT |
17 | */ |
18 | #ifndef __XFS_FS_H__ | |
19 | #define __XFS_FS_H__ | |
20 | ||
21 | /* | |
22 | * SGI's XFS filesystem's major stuff (constants, structures) | |
23 | */ | |
24 | ||
1da177e4 LT |
25 | /* |
26 | * Direct I/O attribute record used with XFS_IOC_DIOINFO | |
27 | * d_miniosz is the min xfer size, xfer size multiple and file seek offset | |
28 | * alignment. | |
29 | */ | |
30 | #ifndef HAVE_DIOATTR | |
31 | struct dioattr { | |
32 | __u32 d_mem; /* data buffer memory alignment */ | |
33 | __u32 d_miniosz; /* min xfer size */ | |
34 | __u32 d_maxiosz; /* max xfer size */ | |
35 | }; | |
36 | #endif | |
37 | ||
1da177e4 LT |
38 | /* |
39 | * Structure for XFS_IOC_GETBMAP. | |
40 | * On input, fill in bmv_offset and bmv_length of the first structure | |
ba0b92d6 NS |
41 | * to indicate the area of interest in the file, and bmv_entries with |
42 | * the number of array elements given back. The first structure is | |
43 | * updated on return to give the offset and length for the next call. | |
1da177e4 LT |
44 | */ |
45 | #ifndef HAVE_GETBMAP | |
46 | struct getbmap { | |
47 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
48 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
49 | __s64 bmv_length; /* length of segment, blocks */ | |
50 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
51 | __s32 bmv_entries; /* # of entries filled in (output) */ | |
52 | }; | |
53 | #endif | |
54 | ||
55 | /* | |
56 | * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries | |
57 | * are used exactly as in the getbmap structure. The getbmapx structure | |
58 | * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field | |
59 | * is only used for the first structure. It contains input flags | |
60 | * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled | |
61 | * in by the XFS_IOC_GETBMAPX command for each returned structure after | |
62 | * the first. | |
63 | */ | |
64 | #ifndef HAVE_GETBMAPX | |
65 | struct getbmapx { | |
66 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
67 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
68 | __s64 bmv_length; /* length of segment, blocks */ | |
69 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
70 | __s32 bmv_entries; /* # of entries filled in (output). */ | |
71 | __s32 bmv_iflags; /* input flags (1st structure) */ | |
72 | __s32 bmv_oflags; /* output flags (after 1st structure)*/ | |
73 | __s32 bmv_unused1; /* future use */ | |
74 | __s32 bmv_unused2; /* future use */ | |
75 | }; | |
76 | #endif | |
77 | ||
78 | /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ | |
79 | #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ | |
80 | #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ | |
81 | #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ | |
5af317c9 | 82 | #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ |
9af25465 | 83 | #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ |
5af317c9 | 84 | #define BMV_IF_VALID \ |
9af25465 TM |
85 | (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ |
86 | BMV_IF_DELALLOC|BMV_IF_NO_HOLES) | |
1da177e4 | 87 | |
411c9403 | 88 | /* bmv_oflags values - returned for each non-header segment */ |
1da177e4 | 89 | #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ |
5af317c9 ES |
90 | #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ |
91 | #define BMV_OF_LAST 0x4 /* segment is the last in the file */ | |
1da177e4 | 92 | |
1da177e4 LT |
93 | /* |
94 | * Structure for XFS_IOC_FSSETDM. | |
95 | * For use by backup and restore programs to set the XFS on-disk inode | |
96 | * fields di_dmevmask and di_dmstate. These must be set to exactly and | |
97 | * only values previously obtained via xfs_bulkstat! (Specifically the | |
98 | * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) | |
99 | */ | |
100 | #ifndef HAVE_FSDMIDATA | |
101 | struct fsdmidata { | |
102 | __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ | |
103 | __u16 fsd_padding; | |
104 | __u16 fsd_dmstate; /* corresponds to di_dmstate */ | |
105 | }; | |
106 | #endif | |
107 | ||
108 | /* | |
109 | * File segment locking set data type for 64 bit access. | |
110 | * Also used for all the RESV/FREE interfaces. | |
111 | */ | |
112 | typedef struct xfs_flock64 { | |
113 | __s16 l_type; | |
114 | __s16 l_whence; | |
115 | __s64 l_start; | |
116 | __s64 l_len; /* len == 0 means until end of file */ | |
117 | __s32 l_sysid; | |
118 | __u32 l_pid; | |
119 | __s32 l_pad[4]; /* reserve area */ | |
120 | } xfs_flock64_t; | |
121 | ||
122 | /* | |
123 | * Output for XFS_IOC_FSGEOMETRY_V1 | |
124 | */ | |
125 | typedef struct xfs_fsop_geom_v1 { | |
126 | __u32 blocksize; /* filesystem (data) block size */ | |
127 | __u32 rtextsize; /* realtime extent size */ | |
128 | __u32 agblocks; /* fsblocks in an AG */ | |
129 | __u32 agcount; /* number of allocation groups */ | |
130 | __u32 logblocks; /* fsblocks in the log */ | |
131 | __u32 sectsize; /* (data) sector size, bytes */ | |
132 | __u32 inodesize; /* inode size in bytes */ | |
133 | __u32 imaxpct; /* max allowed inode space(%) */ | |
134 | __u64 datablocks; /* fsblocks in data subvolume */ | |
135 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
136 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
137 | __u64 logstart; /* starting fsblock of the log */ | |
138 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
139 | __u32 sunit; /* stripe unit, fsblocks */ | |
140 | __u32 swidth; /* stripe width, fsblocks */ | |
141 | __s32 version; /* structure version */ | |
142 | __u32 flags; /* superblock version flags */ | |
143 | __u32 logsectsize; /* log sector size, bytes */ | |
144 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
145 | __u32 dirblocksize; /* directory block size, bytes */ | |
146 | } xfs_fsop_geom_v1_t; | |
147 | ||
148 | /* | |
149 | * Output for XFS_IOC_FSGEOMETRY | |
150 | */ | |
151 | typedef struct xfs_fsop_geom { | |
152 | __u32 blocksize; /* filesystem (data) block size */ | |
153 | __u32 rtextsize; /* realtime extent size */ | |
154 | __u32 agblocks; /* fsblocks in an AG */ | |
155 | __u32 agcount; /* number of allocation groups */ | |
156 | __u32 logblocks; /* fsblocks in the log */ | |
157 | __u32 sectsize; /* (data) sector size, bytes */ | |
158 | __u32 inodesize; /* inode size in bytes */ | |
159 | __u32 imaxpct; /* max allowed inode space(%) */ | |
160 | __u64 datablocks; /* fsblocks in data subvolume */ | |
161 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
162 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
163 | __u64 logstart; /* starting fsblock of the log */ | |
164 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
165 | __u32 sunit; /* stripe unit, fsblocks */ | |
166 | __u32 swidth; /* stripe width, fsblocks */ | |
167 | __s32 version; /* structure version */ | |
168 | __u32 flags; /* superblock version flags */ | |
169 | __u32 logsectsize; /* log sector size, bytes */ | |
170 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
171 | __u32 dirblocksize; /* directory block size, bytes */ | |
172 | __u32 logsunit; /* log stripe unit, bytes */ | |
173 | } xfs_fsop_geom_t; | |
174 | ||
175 | /* Output for XFS_FS_COUNTS */ | |
176 | typedef struct xfs_fsop_counts { | |
177 | __u64 freedata; /* free data section blocks */ | |
178 | __u64 freertx; /* free rt extents */ | |
179 | __u64 freeino; /* free inodes */ | |
180 | __u64 allocino; /* total allocated inodes */ | |
181 | } xfs_fsop_counts_t; | |
182 | ||
183 | /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ | |
184 | typedef struct xfs_fsop_resblks { | |
185 | __u64 resblks; | |
186 | __u64 resblks_avail; | |
187 | } xfs_fsop_resblks_t; | |
188 | ||
189 | #define XFS_FSOP_GEOM_VERSION 0 | |
190 | ||
191 | #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ | |
192 | #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ | |
193 | #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ | |
194 | #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ | |
195 | #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ | |
196 | #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ | |
197 | #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ | |
198 | #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ | |
199 | #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ | |
200 | #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ | |
d8cc890d | 201 | #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ |
2900a579 | 202 | #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */ |
69a58a43 | 203 | #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ |
92821e2b | 204 | #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ |
e7927e87 | 205 | #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */ |
2900a579 | 206 | #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */ |
0c153c1e | 207 | #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */ |
502a4e72 | 208 | #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */ |
1da177e4 LT |
209 | |
210 | /* | |
3e7b91cf JL |
211 | * Minimum and maximum sizes need for growth checks. |
212 | * | |
213 | * Block counts are in units of filesystem blocks, not basic blocks. | |
1da177e4 LT |
214 | */ |
215 | #define XFS_MIN_AG_BLOCKS 64 | |
e1696834 CH |
216 | #define XFS_MIN_LOG_BLOCKS 512ULL |
217 | #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) | |
218 | #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) | |
219 | ||
220 | /* keep the maximum size under 2^31 by a small amount */ | |
221 | #define XFS_MAX_LOG_BYTES \ | |
222 | ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) | |
1da177e4 | 223 | |
c0e090ce | 224 | /* Used for sanity checks on superblock */ |
d5cf09ba CH |
225 | #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks) |
226 | #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \ | |
c0e090ce ES |
227 | (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) |
228 | ||
1da177e4 LT |
229 | /* |
230 | * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT | |
231 | */ | |
232 | typedef struct xfs_growfs_data { | |
233 | __u64 newblocks; /* new data subvol size, fsblocks */ | |
234 | __u32 imaxpct; /* new inode space percentage limit */ | |
235 | } xfs_growfs_data_t; | |
236 | ||
237 | typedef struct xfs_growfs_log { | |
238 | __u32 newblocks; /* new log size, fsblocks */ | |
239 | __u32 isint; /* 1 if new log is internal */ | |
240 | } xfs_growfs_log_t; | |
241 | ||
242 | typedef struct xfs_growfs_rt { | |
243 | __u64 newblocks; /* new realtime size, fsblocks */ | |
244 | __u32 extsize; /* new realtime extent size, fsblocks */ | |
245 | } xfs_growfs_rt_t; | |
246 | ||
247 | ||
248 | /* | |
249 | * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE | |
250 | */ | |
251 | typedef struct xfs_bstime { | |
252 | time_t tv_sec; /* seconds */ | |
253 | __s32 tv_nsec; /* and nanoseconds */ | |
254 | } xfs_bstime_t; | |
255 | ||
256 | typedef struct xfs_bstat { | |
257 | __u64 bs_ino; /* inode number */ | |
258 | __u16 bs_mode; /* type and mode */ | |
259 | __u16 bs_nlink; /* number of links */ | |
260 | __u32 bs_uid; /* user id */ | |
261 | __u32 bs_gid; /* group id */ | |
262 | __u32 bs_rdev; /* device value */ | |
263 | __s32 bs_blksize; /* block size */ | |
264 | __s64 bs_size; /* file size */ | |
265 | xfs_bstime_t bs_atime; /* access time */ | |
266 | xfs_bstime_t bs_mtime; /* modify time */ | |
267 | xfs_bstime_t bs_ctime; /* inode change time */ | |
268 | int64_t bs_blocks; /* number of blocks */ | |
269 | __u32 bs_xflags; /* extended flags */ | |
270 | __s32 bs_extsize; /* extent size */ | |
271 | __s32 bs_extents; /* number of extents */ | |
272 | __u32 bs_gen; /* generation count */ | |
6743099c AM |
273 | __u16 bs_projid_lo; /* lower part of project id */ |
274 | #define bs_projid bs_projid_lo /* (previously just bs_projid) */ | |
07000ee6 | 275 | __u16 bs_forkoff; /* inode fork offset in bytes */ |
6743099c AM |
276 | __u16 bs_projid_hi; /* higher part of project id */ |
277 | unsigned char bs_pad[10]; /* pad space, unused */ | |
1da177e4 LT |
278 | __u32 bs_dmevmask; /* DMIG event mask */ |
279 | __u16 bs_dmstate; /* DMIG state info */ | |
280 | __u16 bs_aextents; /* attribute number of extents */ | |
281 | } xfs_bstat_t; | |
282 | ||
d386b32b DC |
283 | /* |
284 | * Project quota id helpers (previously projid was 16bit only | |
285 | * and using two 16bit values to hold new 32bit projid was choosen | |
286 | * to retain compatibility with "old" filesystems). | |
287 | */ | |
288 | static inline __uint32_t | |
289 | bstat_get_projid(struct xfs_bstat *bs) | |
290 | { | |
291 | return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo; | |
292 | } | |
293 | ||
1da177e4 LT |
294 | /* |
295 | * The user-level BulkStat Request interface structure. | |
296 | */ | |
297 | typedef struct xfs_fsop_bulkreq { | |
298 | __u64 __user *lastip; /* last inode # pointer */ | |
299 | __s32 icount; /* count of entries in buffer */ | |
300 | void __user *ubuffer;/* user buffer for inode desc. */ | |
301 | __s32 __user *ocount; /* output count pointer */ | |
302 | } xfs_fsop_bulkreq_t; | |
303 | ||
304 | ||
305 | /* | |
306 | * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). | |
307 | */ | |
308 | typedef struct xfs_inogrp { | |
309 | __u64 xi_startino; /* starting inode number */ | |
310 | __s32 xi_alloccount; /* # bits set in allocmask */ | |
311 | __u64 xi_allocmask; /* mask of allocated inodes */ | |
312 | } xfs_inogrp_t; | |
313 | ||
314 | ||
315 | /* | |
316 | * Error injection. | |
317 | */ | |
318 | typedef struct xfs_error_injection { | |
319 | __s32 fd; | |
320 | __s32 errtag; | |
321 | } xfs_error_injection_t; | |
322 | ||
323 | ||
8ca149de BF |
324 | /* |
325 | * Speculative preallocation trimming. | |
326 | */ | |
327 | #define XFS_EOFBLOCKS_VERSION 1 | |
b9fe5052 | 328 | struct xfs_fs_eofblocks { |
8ca149de BF |
329 | __u32 eof_version; |
330 | __u32 eof_flags; | |
3e3f9f58 BF |
331 | uid_t eof_uid; |
332 | gid_t eof_gid; | |
333 | prid_t eof_prid; | |
334 | __u32 pad32; | |
00ca79a0 BF |
335 | __u64 eof_min_file_size; |
336 | __u64 pad64[12]; | |
8ca149de BF |
337 | }; |
338 | ||
339 | /* eof_flags values */ | |
340 | #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */ | |
3e3f9f58 BF |
341 | #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */ |
342 | #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */ | |
343 | #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */ | |
00ca79a0 | 344 | #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */ |
f4526397 BF |
345 | #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm; |
346 | * kernel only, not included in | |
347 | * valid mask */ | |
8ca149de | 348 | #define XFS_EOF_FLAGS_VALID \ |
3e3f9f58 BF |
349 | (XFS_EOF_FLAGS_SYNC | \ |
350 | XFS_EOF_FLAGS_UID | \ | |
351 | XFS_EOF_FLAGS_GID | \ | |
00ca79a0 BF |
352 | XFS_EOF_FLAGS_PRID | \ |
353 | XFS_EOF_FLAGS_MINFILESIZE) | |
8ca149de BF |
354 | |
355 | ||
1da177e4 LT |
356 | /* |
357 | * The user-level Handle Request interface structure. | |
358 | */ | |
359 | typedef struct xfs_fsop_handlereq { | |
360 | __u32 fd; /* fd for FD_TO_HANDLE */ | |
361 | void __user *path; /* user pathname */ | |
362 | __u32 oflags; /* open flags */ | |
363 | void __user *ihandle;/* user supplied handle */ | |
364 | __u32 ihandlen; /* user supplied length */ | |
365 | void __user *ohandle;/* user buffer for handle */ | |
366 | __u32 __user *ohandlen;/* user buffer length */ | |
367 | } xfs_fsop_handlereq_t; | |
368 | ||
369 | /* | |
370 | * Compound structures for passing args through Handle Request interfaces | |
371 | * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle | |
372 | * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and | |
373 | * XFS_IOC_ATTRMULTI_BY_HANDLE | |
374 | */ | |
375 | ||
376 | typedef struct xfs_fsop_setdm_handlereq { | |
377 | struct xfs_fsop_handlereq hreq; /* handle information */ | |
378 | struct fsdmidata __user *data; /* DMAPI data */ | |
379 | } xfs_fsop_setdm_handlereq_t; | |
380 | ||
381 | typedef struct xfs_attrlist_cursor { | |
382 | __u32 opaque[4]; | |
383 | } xfs_attrlist_cursor_t; | |
384 | ||
385 | typedef struct xfs_fsop_attrlist_handlereq { | |
386 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
387 | struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ | |
388 | __u32 flags; /* which namespace to use */ | |
389 | __u32 buflen; /* length of buffer supplied */ | |
390 | void __user *buffer; /* returned names */ | |
391 | } xfs_fsop_attrlist_handlereq_t; | |
392 | ||
393 | typedef struct xfs_attr_multiop { | |
394 | __u32 am_opcode; | |
e182f57a CH |
395 | #define ATTR_OP_GET 1 /* return the indicated attr's value */ |
396 | #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ | |
397 | #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ | |
1da177e4 LT |
398 | __s32 am_error; |
399 | void __user *am_attrname; | |
400 | void __user *am_attrvalue; | |
401 | __u32 am_length; | |
402 | __u32 am_flags; | |
403 | } xfs_attr_multiop_t; | |
404 | ||
405 | typedef struct xfs_fsop_attrmulti_handlereq { | |
406 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
407 | __u32 opcount;/* count of following multiop */ | |
408 | struct xfs_attr_multiop __user *ops; /* attr_multi data */ | |
409 | } xfs_fsop_attrmulti_handlereq_t; | |
410 | ||
411 | /* | |
412 | * per machine unique filesystem identifier types. | |
413 | */ | |
414 | typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ | |
415 | ||
1da177e4 | 416 | typedef struct xfs_fid { |
c6143911 CH |
417 | __u16 fid_len; /* length of remainder */ |
418 | __u16 fid_pad; | |
419 | __u32 fid_gen; /* generation number */ | |
420 | __u64 fid_ino; /* 64 bits inode number */ | |
1da177e4 LT |
421 | } xfs_fid_t; |
422 | ||
1da177e4 LT |
423 | typedef struct xfs_handle { |
424 | union { | |
425 | __s64 align; /* force alignment of ha_fid */ | |
426 | xfs_fsid_t _ha_fsid; /* unique file system identifier */ | |
427 | } ha_u; | |
428 | xfs_fid_t ha_fid; /* file system specific file ID */ | |
429 | } xfs_handle_t; | |
430 | #define ha_fsid ha_u._ha_fsid | |
431 | ||
c6143911 | 432 | #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \ |
1da177e4 | 433 | - (char *) &(handle)) \ |
c6143911 | 434 | + (handle).ha_fid.fid_len) |
1da177e4 | 435 | |
a133d952 DC |
436 | /* |
437 | * Structure passed to XFS_IOC_SWAPEXT | |
438 | */ | |
439 | typedef struct xfs_swapext | |
440 | { | |
441 | __int64_t sx_version; /* version */ | |
442 | #define XFS_SX_VERSION 0 | |
443 | __int64_t sx_fdtarget; /* fd of target file */ | |
444 | __int64_t sx_fdtmp; /* fd of tmp file */ | |
445 | xfs_off_t sx_offset; /* offset into file */ | |
446 | xfs_off_t sx_length; /* leng from offset */ | |
447 | char sx_pad[16]; /* pad space, unused */ | |
448 | xfs_bstat_t sx_stat; /* stat of target b4 copy */ | |
449 | } xfs_swapext_t; | |
450 | ||
3f89243c | 451 | /* |
1da177e4 LT |
452 | * Flags for going down operation |
453 | */ | |
454 | #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ | |
455 | #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ | |
456 | #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ | |
457 | ||
4e247614 JT |
458 | /* |
459 | * ioctl limits | |
460 | */ | |
461 | #ifdef XATTR_LIST_MAX | |
462 | # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX | |
463 | #else | |
464 | # define XFS_XATTR_LIST_MAX 65536 | |
465 | #endif | |
466 | ||
467 | ||
1da177e4 LT |
468 | /* |
469 | * ioctl commands that are used by Linux filesystems | |
470 | */ | |
bc58f9bb ES |
471 | #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS |
472 | #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS | |
473 | #define XFS_IOC_GETVERSION FS_IOC_GETVERSION | |
1da177e4 LT |
474 | |
475 | /* | |
476 | * ioctl commands that replace IRIX fcntl()'s | |
477 | * For 'documentation' purposed more than anything else, | |
478 | * the "cmd #" field reflects the IRIX fcntl number. | |
479 | */ | |
480 | #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) | |
481 | #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) | |
482 | #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) | |
334e580a DC |
483 | #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
484 | #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
1da177e4 LT |
485 | #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) |
486 | #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) | |
487 | #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) | |
488 | #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) | |
489 | #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) | |
490 | #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) | |
491 | #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) | |
492 | #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) | |
493 | #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) | |
494 | #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) | |
495 | /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ | |
496 | /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ | |
497 | #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) | |
44722352 | 498 | #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) |
b771af2f | 499 | #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks) |
1da177e4 LT |
500 | |
501 | /* | |
502 | * ioctl commands that replace IRIX syssgi()'s | |
503 | */ | |
504 | #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) | |
505 | #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) | |
506 | #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) | |
507 | #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) | |
508 | #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) | |
509 | #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) | |
510 | #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) | |
511 | #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) | |
512 | #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) | |
513 | #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) | |
514 | #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) | |
515 | #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) | |
516 | #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) | |
517 | #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) | |
518 | #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) | |
519 | #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) | |
520 | #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) | |
521 | #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) | |
522 | /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ | |
d386b32b | 523 | |
8e961870 TS |
524 | /* XFS_IOC_FREEZE -- FIFREEZE 119 */ |
525 | /* XFS_IOC_THAW -- FITHAW 120 */ | |
d386b32b DC |
526 | #ifndef FIFREEZE |
527 | #define XFS_IOC_FREEZE _IOWR('X', 119, int) | |
528 | #define XFS_IOC_THAW _IOWR('X', 120, int) | |
529 | #endif | |
530 | ||
1da177e4 LT |
531 | #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) |
532 | #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) | |
533 | #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) | |
534 | #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) | |
535 | #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) | |
536 | /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ | |
537 | ||
538 | ||
539 | #ifndef HAVE_BBMACROS | |
540 | /* | |
541 | * Block I/O parameterization. A basic block (BB) is the lowest size of | |
542 | * filesystem allocation, and must equal 512. Length units given to bio | |
543 | * routines are in BB's. | |
544 | */ | |
545 | #define BBSHIFT 9 | |
546 | #define BBSIZE (1<<BBSHIFT) | |
547 | #define BBMASK (BBSIZE-1) | |
548 | #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) | |
549 | #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) | |
550 | #define BBTOB(bbs) ((bbs) << BBSHIFT) | |
551 | #endif | |
552 | ||
553 | #endif /* __XFS_FS_H__ */ |