]>
Commit | Line | Data |
---|---|---|
2bd0ea18 | 1 | /* |
c0211f67 | 2 | * Copyright (c) 1995-2004 Silicon Graphics, Inc. All Rights Reserved. |
a32ec6a8 | 3 | * |
2bd0ea18 | 4 | * This program is free software; you can redistribute it and/or modify it |
a32ec6a8 DR |
5 | * under the terms of version 2.1 of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation. | |
7 | * | |
2bd0ea18 NS |
8 | * This program is distributed in the hope that it would be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
a32ec6a8 | 11 | * |
2bd0ea18 NS |
12 | * Further, this software is distributed without any warranty that it is |
13 | * free of the rightful claim of any third person regarding infringement | |
5000d01d | 14 | * or the like. Any license provided herein, whether implied or |
2bd0ea18 NS |
15 | * otherwise, applies only to this software file. Patent licenses, if |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
a32ec6a8 DR |
18 | * |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with this program; if not, write the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, | |
22 | * USA. | |
23 | * | |
2bd0ea18 NS |
24 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
25 | * Mountain View, CA 94043, or: | |
a32ec6a8 DR |
26 | * |
27 | * http://www.sgi.com | |
28 | * | |
29 | * For further information regarding this notice, see: | |
30 | * | |
2bd0ea18 NS |
31 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
32 | */ | |
53f8ad6d NS |
33 | #ifndef __XFS_FS_H__ |
34 | #define __XFS_FS_H__ | |
2bd0ea18 NS |
35 | |
36 | /* | |
37 | * SGI's XFS filesystem's major stuff (constants, structures) | |
38 | */ | |
39 | ||
2bd0ea18 NS |
40 | #define XFS_NAME "xfs" |
41 | ||
5000d01d | 42 | /* |
8c4a2bb0 | 43 | * Direct I/O attribute record used with XFS_IOC_DIOINFO |
2bd0ea18 NS |
44 | * d_miniosz is the min xfer size, xfer size multiple and file seek offset |
45 | * alignment. | |
46 | */ | |
93d9f139 | 47 | #ifndef HAVE_DIOATTR |
2bd0ea18 | 48 | struct dioattr { |
5000d01d | 49 | __u32 d_mem; /* data buffer memory alignment */ |
2bd0ea18 NS |
50 | __u32 d_miniosz; /* min xfer size */ |
51 | __u32 d_maxiosz; /* max xfer size */ | |
52 | }; | |
93d9f139 | 53 | #endif |
2bd0ea18 NS |
54 | |
55 | /* | |
8c4a2bb0 | 56 | * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR. |
2bd0ea18 | 57 | */ |
93d9f139 | 58 | #ifndef HAVE_FSXATTR |
2bd0ea18 | 59 | struct fsxattr { |
5000d01d SL |
60 | __u32 fsx_xflags; /* xflags field value (get/set) */ |
61 | __u32 fsx_extsize; /* extsize field value (get/set)*/ | |
62 | __u32 fsx_nextents; /* nextents field value (get) */ | |
2bd0ea18 NS |
63 | unsigned char fsx_pad[16]; |
64 | }; | |
93d9f139 | 65 | #endif |
2bd0ea18 NS |
66 | |
67 | /* | |
68 | * Flags for the bs_xflags/fsx_xflags field | |
69 | * There should be a one-to-one correspondence between these flags and the | |
70 | * XFS_DIFLAG_s. | |
71 | */ | |
2c794e6e NS |
72 | #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */ |
73 | #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */ | |
74 | #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */ | |
75 | #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */ | |
76 | #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */ | |
77 | #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */ | |
78 | #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */ | |
5000d01d | 79 | #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ |
2bd0ea18 NS |
80 | |
81 | /* | |
8c4a2bb0 | 82 | * Structure for XFS_IOC_GETBMAP. |
2bd0ea18 NS |
83 | * On input, fill in bmv_offset and bmv_length of the first structure |
84 | * to indicate the area of interest in the file, and bmv_entry with the | |
85 | * number of array elements given. The first structure is updated on | |
86 | * return to give the offset and length for the next call. | |
87 | */ | |
93d9f139 | 88 | #ifndef HAVE_GETBMAP |
2bd0ea18 NS |
89 | struct getbmap { |
90 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
91 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
92 | __s64 bmv_length; /* length of segment, blocks */ | |
93 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
94 | __s32 bmv_entries; /* # of entries filled in (output) */ | |
95 | }; | |
93d9f139 | 96 | #endif |
2bd0ea18 NS |
97 | |
98 | /* | |
5000d01d | 99 | * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries |
2bd0ea18 NS |
100 | * are used exactly as in the getbmap structure. The getbmapx structure |
101 | * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field | |
5000d01d | 102 | * is only used for the first structure. It contains input flags |
8c4a2bb0 NS |
103 | * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled |
104 | * in by the XFS_IOC_GETBMAPX command for each returned structure after | |
105 | * the first. | |
2bd0ea18 | 106 | */ |
93d9f139 | 107 | #ifndef HAVE_GETBMAPX |
2bd0ea18 NS |
108 | struct getbmapx { |
109 | __s64 bmv_offset; /* file offset of segment in blocks */ | |
110 | __s64 bmv_block; /* starting block (64-bit daddr_t) */ | |
111 | __s64 bmv_length; /* length of segment, blocks */ | |
112 | __s32 bmv_count; /* # of entries in array incl. 1st */ | |
113 | __s32 bmv_entries; /* # of entries filled in (output). */ | |
114 | __s32 bmv_iflags; /* input flags (1st structure) */ | |
115 | __s32 bmv_oflags; /* output flags (after 1st structure)*/ | |
116 | __s32 bmv_unused1; /* future use */ | |
117 | __s32 bmv_unused2; /* future use */ | |
118 | }; | |
93d9f139 | 119 | #endif |
2bd0ea18 | 120 | |
8c4a2bb0 | 121 | /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ |
5000d01d | 122 | #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ |
2bd0ea18 NS |
123 | #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ |
124 | #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ | |
2bd0ea18 | 125 | #define BMV_IF_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC) |
8c4a2bb0 | 126 | #ifdef __KERNEL__ |
5000d01d | 127 | #define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */ |
8c4a2bb0 | 128 | #endif |
2bd0ea18 | 129 | |
8c4a2bb0 | 130 | /* bmv_oflags values - returned for for each non-header segment */ |
2bd0ea18 NS |
131 | #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ |
132 | ||
133 | /* Convert getbmap <-> getbmapx - move fields from p1 to p2. */ | |
5000d01d | 134 | #define GETBMAP_CONVERT(p1,p2) { \ |
2bd0ea18 NS |
135 | p2.bmv_offset = p1.bmv_offset; \ |
136 | p2.bmv_block = p1.bmv_block; \ | |
137 | p2.bmv_length = p1.bmv_length; \ | |
138 | p2.bmv_count = p1.bmv_count; \ | |
139 | p2.bmv_entries = p1.bmv_entries; } | |
140 | ||
2bd0ea18 NS |
141 | |
142 | /* | |
e1864286 | 143 | * Structure for XFS_IOC_FSSETDM. |
2bd0ea18 NS |
144 | * For use by backup and restore programs to set the XFS on-disk inode |
145 | * fields di_dmevmask and di_dmstate. These must be set to exactly and | |
146 | * only values previously obtained via xfs_bulkstat! (Specifically the | |
147 | * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) | |
148 | */ | |
93d9f139 | 149 | #ifndef HAVE_FSDMIDATA |
2bd0ea18 | 150 | struct fsdmidata { |
578f5654 | 151 | __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ |
2bd0ea18 NS |
152 | __u16 fsd_padding; |
153 | __u16 fsd_dmstate; /* corresponds to di_dmstate */ | |
154 | }; | |
93d9f139 | 155 | #endif |
2bd0ea18 NS |
156 | |
157 | /* | |
158 | * File segment locking set data type for 64 bit access. | |
159 | * Also used for all the RESV/FREE interfaces. | |
160 | */ | |
161 | typedef struct xfs_flock64 { | |
162 | __s16 l_type; | |
163 | __s16 l_whence; | |
164 | __s64 l_start; | |
165 | __s64 l_len; /* len == 0 means until end of file */ | |
5000d01d SL |
166 | __s32 l_sysid; |
167 | pid_t l_pid; | |
2bd0ea18 NS |
168 | __s32 l_pad[4]; /* reserve area */ |
169 | } xfs_flock64_t; | |
170 | ||
73bf5988 SL |
171 | /* |
172 | * Output for XFS_IOC_FSGEOMETRY_V1 | |
173 | */ | |
174 | typedef struct xfs_fsop_geom_v1 { | |
5000d01d | 175 | __u32 blocksize; /* filesystem (data) block size */ |
73bf5988 SL |
176 | __u32 rtextsize; /* realtime extent size */ |
177 | __u32 agblocks; /* fsblocks in an AG */ | |
5000d01d | 178 | __u32 agcount; /* number of allocation groups */ |
73bf5988 SL |
179 | __u32 logblocks; /* fsblocks in the log */ |
180 | __u32 sectsize; /* (data) sector size, bytes */ | |
181 | __u32 inodesize; /* inode size in bytes */ | |
182 | __u32 imaxpct; /* max allowed inode space(%) */ | |
183 | __u64 datablocks; /* fsblocks in data subvolume */ | |
184 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
185 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
186 | __u64 logstart; /* starting fsblock of the log */ | |
187 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
188 | __u32 sunit; /* stripe unit, fsblocks */ | |
189 | __u32 swidth; /* stripe width, fsblocks */ | |
190 | __s32 version; /* structure version */ | |
191 | __u32 flags; /* superblock version flags */ | |
192 | __u32 logsectsize; /* log sector size, bytes */ | |
193 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
194 | __u32 dirblocksize; /* directory block size, bytes */ | |
195 | } xfs_fsop_geom_v1_t; | |
196 | ||
2bd0ea18 NS |
197 | /* |
198 | * Output for XFS_IOC_FSGEOMETRY | |
199 | */ | |
200 | typedef struct xfs_fsop_geom { | |
5000d01d | 201 | __u32 blocksize; /* filesystem (data) block size */ |
2bd0ea18 NS |
202 | __u32 rtextsize; /* realtime extent size */ |
203 | __u32 agblocks; /* fsblocks in an AG */ | |
5000d01d | 204 | __u32 agcount; /* number of allocation groups */ |
2bd0ea18 NS |
205 | __u32 logblocks; /* fsblocks in the log */ |
206 | __u32 sectsize; /* (data) sector size, bytes */ | |
207 | __u32 inodesize; /* inode size in bytes */ | |
208 | __u32 imaxpct; /* max allowed inode space(%) */ | |
209 | __u64 datablocks; /* fsblocks in data subvolume */ | |
210 | __u64 rtblocks; /* fsblocks in realtime subvol */ | |
211 | __u64 rtextents; /* rt extents in realtime subvol*/ | |
212 | __u64 logstart; /* starting fsblock of the log */ | |
213 | unsigned char uuid[16]; /* unique id of the filesystem */ | |
214 | __u32 sunit; /* stripe unit, fsblocks */ | |
215 | __u32 swidth; /* stripe width, fsblocks */ | |
216 | __s32 version; /* structure version */ | |
217 | __u32 flags; /* superblock version flags */ | |
218 | __u32 logsectsize; /* log sector size, bytes */ | |
219 | __u32 rtsectsize; /* realtime sector size, bytes */ | |
220 | __u32 dirblocksize; /* directory block size, bytes */ | |
73bf5988 | 221 | __u32 logsunit; /* log stripe unit, bytes */ |
2bd0ea18 NS |
222 | } xfs_fsop_geom_t; |
223 | ||
224 | /* Output for XFS_FS_COUNTS */ | |
225 | typedef struct xfs_fsop_counts { | |
226 | __u64 freedata; /* free data section blocks */ | |
227 | __u64 freertx; /* free rt extents */ | |
228 | __u64 freeino; /* free inodes */ | |
229 | __u64 allocino; /* total allocated inodes */ | |
230 | } xfs_fsop_counts_t; | |
231 | ||
232 | /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ | |
233 | typedef struct xfs_fsop_resblks { | |
234 | __u64 resblks; | |
235 | __u64 resblks_avail; | |
236 | } xfs_fsop_resblks_t; | |
237 | ||
5000d01d | 238 | #define XFS_FSOP_GEOM_VERSION 0 |
2bd0ea18 | 239 | |
9440d84d NS |
240 | #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ |
241 | #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ | |
242 | #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ | |
243 | #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ | |
244 | #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ | |
245 | #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ | |
246 | #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ | |
247 | #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ | |
248 | #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ | |
249 | #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ | |
2bd0ea18 NS |
250 | |
251 | ||
252 | /* | |
253 | * Minimum and maximum sizes need for growth checks | |
254 | */ | |
5000d01d SL |
255 | #define XFS_MIN_AG_BLOCKS 64 |
256 | #define XFS_MIN_LOG_BLOCKS 512 | |
257 | #define XFS_MAX_LOG_BLOCKS (64 * 1024) | |
258 | #define XFS_MIN_LOG_BYTES (256 * 1024) | |
259 | #define XFS_MAX_LOG_BYTES (128 * 1024 * 1024) | |
2bd0ea18 NS |
260 | |
261 | /* | |
8c4a2bb0 | 262 | * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT |
2bd0ea18 NS |
263 | */ |
264 | typedef struct xfs_growfs_data { | |
265 | __u64 newblocks; /* new data subvol size, fsblocks */ | |
266 | __u32 imaxpct; /* new inode space percentage limit */ | |
267 | } xfs_growfs_data_t; | |
268 | ||
2bd0ea18 NS |
269 | typedef struct xfs_growfs_log { |
270 | __u32 newblocks; /* new log size, fsblocks */ | |
271 | __u32 isint; /* 1 if new log is internal */ | |
272 | } xfs_growfs_log_t; | |
273 | ||
2bd0ea18 NS |
274 | typedef struct xfs_growfs_rt { |
275 | __u64 newblocks; /* new realtime size, fsblocks */ | |
276 | __u32 extsize; /* new realtime extent size, fsblocks */ | |
277 | } xfs_growfs_rt_t; | |
278 | ||
279 | ||
280 | /* | |
281 | * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE | |
282 | */ | |
283 | typedef struct xfs_bstime { | |
284 | time_t tv_sec; /* seconds */ | |
285 | __s32 tv_nsec; /* and nanoseconds */ | |
286 | } xfs_bstime_t; | |
287 | ||
288 | typedef struct xfs_bstat { | |
289 | __u64 bs_ino; /* inode number */ | |
290 | __u16 bs_mode; /* type and mode */ | |
291 | __u16 bs_nlink; /* number of links */ | |
292 | __u32 bs_uid; /* user id */ | |
293 | __u32 bs_gid; /* group id */ | |
294 | __u32 bs_rdev; /* device value */ | |
295 | __s32 bs_blksize; /* block size */ | |
296 | __s64 bs_size; /* file size */ | |
297 | xfs_bstime_t bs_atime; /* access time */ | |
298 | xfs_bstime_t bs_mtime; /* modify time */ | |
299 | xfs_bstime_t bs_ctime; /* inode change time */ | |
300 | int64_t bs_blocks; /* number of blocks */ | |
301 | __u32 bs_xflags; /* extended flags */ | |
302 | __s32 bs_extsize; /* extent size */ | |
303 | __s32 bs_extents; /* number of extents */ | |
304 | __u32 bs_gen; /* generation count */ | |
305 | __u16 bs_projid; /* project id */ | |
306 | unsigned char bs_pad[14]; /* pad space, unused */ | |
307 | __u32 bs_dmevmask; /* DMIG event mask */ | |
308 | __u16 bs_dmstate; /* DMIG state info */ | |
309 | __u16 bs_aextents; /* attribute number of extents */ | |
310 | } xfs_bstat_t; | |
311 | ||
312 | /* | |
313 | * The user-level BulkStat Request interface structure. | |
314 | */ | |
315 | typedef struct xfs_fsop_bulkreq { | |
316 | __u64 *lastip; /* last inode # pointer */ | |
317 | __s32 icount; /* count of entries in buffer */ | |
318 | void *ubuffer; /* user buffer for inode desc. */ | |
319 | __s32 *ocount; /* output count pointer */ | |
320 | } xfs_fsop_bulkreq_t; | |
321 | ||
322 | ||
323 | /* | |
8c4a2bb0 | 324 | * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). |
2bd0ea18 NS |
325 | */ |
326 | typedef struct xfs_inogrp { | |
327 | __u64 xi_startino; /* starting inode number */ | |
328 | __s32 xi_alloccount; /* # bits set in allocmask */ | |
329 | __u64 xi_allocmask; /* mask of allocated inodes */ | |
330 | } xfs_inogrp_t; | |
331 | ||
332 | ||
8c4a2bb0 NS |
333 | /* |
334 | * Error injection. | |
335 | */ | |
336 | typedef struct xfs_error_injection { | |
5000d01d SL |
337 | __s32 fd; |
338 | __s32 errtag; | |
8c4a2bb0 NS |
339 | } xfs_error_injection_t; |
340 | ||
341 | ||
2bd0ea18 NS |
342 | /* |
343 | * The user-level Handle Request interface structure. | |
344 | */ | |
345 | typedef struct xfs_fsop_handlereq { | |
346 | __u32 fd; /* fd for FD_TO_HANDLE */ | |
347 | void *path; /* user pathname */ | |
348 | __u32 oflags; /* open flags */ | |
349 | void *ihandle; /* user supplied handle */ | |
350 | __u32 ihandlen; /* user supplied length */ | |
351 | void *ohandle; /* user buffer for handle */ | |
352 | __u32 *ohandlen; /* user buffer length */ | |
353 | } xfs_fsop_handlereq_t; | |
354 | ||
2bd0ea18 | 355 | /* |
8c4a2bb0 NS |
356 | * Compound structures for passing args through Handle Request interfaces |
357 | * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle | |
358 | * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and | |
5000d01d | 359 | * XFS_IOC_ATTRMULTI_BY_HANDLE |
2bd0ea18 | 360 | */ |
8c4a2bb0 NS |
361 | |
362 | typedef struct xfs_fsop_setdm_handlereq { | |
363 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
5000d01d | 364 | struct fsdmidata *data; /* DMAPI data to set */ |
8c4a2bb0 NS |
365 | } xfs_fsop_setdm_handlereq_t; |
366 | ||
367 | typedef struct xfs_attrlist_cursor { | |
368 | __u32 opaque[4]; | |
369 | } xfs_attrlist_cursor_t; | |
370 | ||
371 | typedef struct xfs_fsop_attrlist_handlereq { | |
372 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
373 | struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ | |
5000d01d SL |
374 | __u32 flags; /* flags, use ROOT/USER names */ |
375 | __u32 buflen; /* length of buffer supplied */ | |
376 | void *buffer; /* attrlist data to return */ | |
8c4a2bb0 NS |
377 | } xfs_fsop_attrlist_handlereq_t; |
378 | ||
379 | typedef struct xfs_attr_multiop { | |
380 | __u32 am_opcode; | |
381 | __s32 am_error; | |
382 | void *am_attrname; | |
383 | void *am_attrvalue; | |
384 | __u32 am_length; | |
385 | __u32 am_flags; | |
386 | } xfs_attr_multiop_t; | |
387 | ||
388 | typedef struct xfs_fsop_attrmulti_handlereq { | |
389 | struct xfs_fsop_handlereq hreq; /* handle interface structure */ | |
5000d01d SL |
390 | __u32 opcount; /* count of following multiop */ |
391 | struct xfs_attr_multiop *ops; /* attr_multi data to get/set */ | |
8c4a2bb0 | 392 | } xfs_fsop_attrmulti_handlereq_t; |
2bd0ea18 NS |
393 | |
394 | /* | |
23aab3f9 | 395 | * per machine unique filesystem identifier types. |
2bd0ea18 | 396 | */ |
23aab3f9 NS |
397 | typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ |
398 | ||
2bd0ea18 | 399 | |
93d9f139 | 400 | #ifndef HAVE_FID |
5000d01d | 401 | #define MAXFIDSZ 46 |
23aab3f9 | 402 | |
2bd0ea18 NS |
403 | typedef struct fid { |
404 | __u16 fid_len; /* length of data in bytes */ | |
23aab3f9 | 405 | unsigned char fid_data[MAXFIDSZ]; /* data (fid_len worth) */ |
2bd0ea18 | 406 | } fid_t; |
53f8ad6d | 407 | #endif |
2bd0ea18 NS |
408 | |
409 | typedef struct xfs_fid { | |
410 | __u16 xfs_fid_len; /* length of remainder */ | |
411 | __u16 xfs_fid_pad; | |
412 | __u32 xfs_fid_gen; /* generation number */ | |
5000d01d | 413 | __u64 xfs_fid_ino; /* 64 bits inode number */ |
2bd0ea18 NS |
414 | } xfs_fid_t; |
415 | ||
416 | typedef struct xfs_fid2 { | |
417 | __u16 fid_len; /* length of remainder */ | |
418 | __u16 fid_pad; /* padding, must be zero */ | |
419 | __u32 fid_gen; /* generation number */ | |
420 | __u64 fid_ino; /* inode number */ | |
421 | } xfs_fid2_t; | |
422 | ||
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; | |
5000d01d | 428 | xfs_fid_t ha_fid; /* file system specific file ID */ |
2bd0ea18 | 429 | } xfs_handle_t; |
2bd0ea18 NS |
430 | #define ha_fsid ha_u._ha_fsid |
431 | ||
5000d01d | 432 | #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.xfs_fid_pad \ |
2bd0ea18 NS |
433 | - (char *) &(handle)) \ |
434 | + (handle).ha_fid.xfs_fid_len) | |
435 | ||
32181a02 | 436 | #define XFS_HANDLE_CMP(h1, h2) memcmp(h1, h2, sizeof(xfs_handle_t)) |
2bd0ea18 | 437 | |
32181a02 | 438 | #define FSHSIZE sizeof(fsid_t) |
2bd0ea18 | 439 | |
6efd7566 | 440 | /* |
441 | * Flags for going down operation | |
442 | */ | |
443 | #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ | |
444 | #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ | |
445 | #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ | |
2bd0ea18 | 446 | |
c0211f67 | 447 | #ifndef HAVE_IOCMACROS |
2bd0ea18 NS |
448 | /* |
449 | * ioctl commands that replace IRIX fcntl()'s | |
450 | * For 'documentation' purposed more than anything else, | |
451 | * the "cmd #" field reflects the IRIX fcntl number. | |
452 | */ | |
5000d01d SL |
453 | #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) |
454 | #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) | |
455 | #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) | |
456 | #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) | |
457 | #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) | |
458 | #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) | |
459 | #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) | |
460 | #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) | |
461 | #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) | |
462 | #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) | |
463 | #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) | |
464 | #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) | |
465 | #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) | |
466 | #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) | |
467 | #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) | |
468 | /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ | |
469 | /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ | |
470 | #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) | |
2bd0ea18 NS |
471 | |
472 | /* | |
473 | * ioctl commands that replace IRIX syssgi()'s | |
474 | */ | |
5000d01d SL |
475 | #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) |
476 | #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) | |
477 | #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) | |
478 | #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) | |
479 | #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) | |
480 | #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) | |
481 | #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) | |
482 | #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) | |
483 | #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) | |
2bd0ea18 | 484 | #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) |
5000d01d SL |
485 | #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) |
486 | #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) | |
487 | #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) | |
488 | #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) | |
e246ba5f | 489 | #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) |
5000d01d SL |
490 | #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) |
491 | #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) | |
492 | #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) | |
493 | /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ | |
d9eab45c SL |
494 | #define XFS_IOC_FREEZE _IOWR('X', 119, int) |
495 | #define XFS_IOC_THAW _IOWR('X', 120, int) | |
5000d01d SL |
496 | #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) |
497 | #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) | |
498 | #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) | |
499 | #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) | |
6efd7566 | 500 | #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) |
5000d01d | 501 | /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ |
c0211f67 | 502 | #endif |
2bd0ea18 | 503 | |
93d9f139 | 504 | #ifndef HAVE_BBMACROS |
2bd0ea18 | 505 | /* |
5000d01d | 506 | * Block I/O parameterization. A basic block (BB) is the lowest size of |
a7565da0 | 507 | * filesystem allocation, and must equal 512. Length units given to bio |
2bd0ea18 NS |
508 | * routines are in BB's. |
509 | */ | |
5000d01d SL |
510 | #define BBSHIFT 9 |
511 | #define BBSIZE (1<<BBSHIFT) | |
512 | #define BBMASK (BBSIZE-1) | |
513 | #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) | |
514 | #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) | |
515 | #define BBTOB(bbs) ((bbs) << BBSHIFT) | |
93d9f139 | 516 | #endif |
2bd0ea18 | 517 | |
53f8ad6d | 518 | #endif /* __XFS_FS_H__ */ |