blob: 18dc721ca19f85f7436ab7c3241e28506521abee [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * This program is free software; you can redistribute it and/or
Nathan Scott3ddb8fa2006-01-11 15:33:02 +11006 * modify it under the terms of the GNU Lesser General Public License
7 * as published by the Free Software Foundation.
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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
Nathan Scott3ddb8fa2006-01-11 15:33:02 +110012 * GNU Lesser General Public License for more details.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott3ddb8fa2006-01-11 15:33:02 +110014 * You should have received a copy of the GNU Lesser General Public License
Nathan Scott7b718762005-11-02 14:58:39 +110015 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
18#ifndef __XFS_FS_H__
19#define __XFS_FS_H__
20
21/*
22 * SGI's XFS filesystem's major stuff (constants, structures)
23 */
24
Linus Torvalds1da177e2005-04-16 15:20:36 -070025/*
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
31struct 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
38/*
39 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
40 */
41#ifndef HAVE_FSXATTR
42struct fsxattr {
43 __u32 fsx_xflags; /* xflags field value (get/set) */
44 __u32 fsx_extsize; /* extsize field value (get/set)*/
45 __u32 fsx_nextents; /* nextents field value (get) */
Nathan Scott77bc5be2005-06-21 15:48:04 +100046 __u32 fsx_projid; /* project identifier (get/set) */
47 unsigned char fsx_pad[12];
Linus Torvalds1da177e2005-04-16 15:20:36 -070048};
49#endif
50
51/*
52 * Flags for the bs_xflags/fsx_xflags field
53 * There should be a one-to-one correspondence between these flags and the
54 * XFS_DIFLAG_s.
55 */
56#define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
57#define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
58#define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
59#define XFS_XFLAG_APPEND 0x00000010 /* all writes append */
60#define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
61#define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */
62#define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
63#define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
64#define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
65#define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
Nathan Scottdd9f4382006-01-11 15:28:28 +110066#define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
67#define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
Barry Naujokd3446ea2006-06-09 14:54:19 +100068#define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
David Chinner2a82b8b2007-07-11 11:09:12 +100069#define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
Linus Torvalds1da177e2005-04-16 15:20:36 -070070#define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
71
72/*
73 * Structure for XFS_IOC_GETBMAP.
74 * On input, fill in bmv_offset and bmv_length of the first structure
Nathan Scottba0b92d2006-06-09 14:52:00 +100075 * to indicate the area of interest in the file, and bmv_entries with
76 * the number of array elements given back. The first structure is
77 * updated on return to give the offset and length for the next call.
Linus Torvalds1da177e2005-04-16 15:20:36 -070078 */
79#ifndef HAVE_GETBMAP
80struct getbmap {
81 __s64 bmv_offset; /* file offset of segment in blocks */
82 __s64 bmv_block; /* starting block (64-bit daddr_t) */
83 __s64 bmv_length; /* length of segment, blocks */
84 __s32 bmv_count; /* # of entries in array incl. 1st */
85 __s32 bmv_entries; /* # of entries filled in (output) */
86};
87#endif
88
89/*
90 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
91 * are used exactly as in the getbmap structure. The getbmapx structure
92 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
93 * is only used for the first structure. It contains input flags
94 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
95 * in by the XFS_IOC_GETBMAPX command for each returned structure after
96 * the first.
97 */
98#ifndef HAVE_GETBMAPX
99struct getbmapx {
100 __s64 bmv_offset; /* file offset of segment in blocks */
101 __s64 bmv_block; /* starting block (64-bit daddr_t) */
102 __s64 bmv_length; /* length of segment, blocks */
103 __s32 bmv_count; /* # of entries in array incl. 1st */
104 __s32 bmv_entries; /* # of entries filled in (output). */
105 __s32 bmv_iflags; /* input flags (1st structure) */
106 __s32 bmv_oflags; /* output flags (after 1st structure)*/
107 __s32 bmv_unused1; /* future use */
108 __s32 bmv_unused2; /* future use */
109};
110#endif
111
112/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
113#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
114#define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
115#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
Eric Sandeen5af317c2008-11-28 14:23:35 +1100116#define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
Tao Ma9af25462010-08-30 02:44:03 +0000117#define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
Eric Sandeen5af317c2008-11-28 14:23:35 +1100118#define BMV_IF_VALID \
Tao Ma9af25462010-08-30 02:44:03 +0000119 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
120 BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121
Anand Gadiyar411c9402009-07-07 15:24:23 +0530122/* bmv_oflags values - returned for each non-header segment */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
Eric Sandeen5af317c2008-11-28 14:23:35 +1100124#define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
125#define BMV_OF_LAST 0x4 /* segment is the last in the file */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127/*
128 * Structure for XFS_IOC_FSSETDM.
129 * For use by backup and restore programs to set the XFS on-disk inode
130 * fields di_dmevmask and di_dmstate. These must be set to exactly and
131 * only values previously obtained via xfs_bulkstat! (Specifically the
132 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
133 */
134#ifndef HAVE_FSDMIDATA
135struct fsdmidata {
136 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
137 __u16 fsd_padding;
138 __u16 fsd_dmstate; /* corresponds to di_dmstate */
139};
140#endif
141
142/*
143 * File segment locking set data type for 64 bit access.
144 * Also used for all the RESV/FREE interfaces.
145 */
146typedef struct xfs_flock64 {
147 __s16 l_type;
148 __s16 l_whence;
149 __s64 l_start;
150 __s64 l_len; /* len == 0 means until end of file */
151 __s32 l_sysid;
152 __u32 l_pid;
153 __s32 l_pad[4]; /* reserve area */
154} xfs_flock64_t;
155
156/*
157 * Output for XFS_IOC_FSGEOMETRY_V1
158 */
159typedef struct xfs_fsop_geom_v1 {
160 __u32 blocksize; /* filesystem (data) block size */
161 __u32 rtextsize; /* realtime extent size */
162 __u32 agblocks; /* fsblocks in an AG */
163 __u32 agcount; /* number of allocation groups */
164 __u32 logblocks; /* fsblocks in the log */
165 __u32 sectsize; /* (data) sector size, bytes */
166 __u32 inodesize; /* inode size in bytes */
167 __u32 imaxpct; /* max allowed inode space(%) */
168 __u64 datablocks; /* fsblocks in data subvolume */
169 __u64 rtblocks; /* fsblocks in realtime subvol */
170 __u64 rtextents; /* rt extents in realtime subvol*/
171 __u64 logstart; /* starting fsblock of the log */
172 unsigned char uuid[16]; /* unique id of the filesystem */
173 __u32 sunit; /* stripe unit, fsblocks */
174 __u32 swidth; /* stripe width, fsblocks */
175 __s32 version; /* structure version */
176 __u32 flags; /* superblock version flags */
177 __u32 logsectsize; /* log sector size, bytes */
178 __u32 rtsectsize; /* realtime sector size, bytes */
179 __u32 dirblocksize; /* directory block size, bytes */
180} xfs_fsop_geom_v1_t;
181
182/*
183 * Output for XFS_IOC_FSGEOMETRY
184 */
185typedef struct xfs_fsop_geom {
186 __u32 blocksize; /* filesystem (data) block size */
187 __u32 rtextsize; /* realtime extent size */
188 __u32 agblocks; /* fsblocks in an AG */
189 __u32 agcount; /* number of allocation groups */
190 __u32 logblocks; /* fsblocks in the log */
191 __u32 sectsize; /* (data) sector size, bytes */
192 __u32 inodesize; /* inode size in bytes */
193 __u32 imaxpct; /* max allowed inode space(%) */
194 __u64 datablocks; /* fsblocks in data subvolume */
195 __u64 rtblocks; /* fsblocks in realtime subvol */
196 __u64 rtextents; /* rt extents in realtime subvol*/
197 __u64 logstart; /* starting fsblock of the log */
198 unsigned char uuid[16]; /* unique id of the filesystem */
199 __u32 sunit; /* stripe unit, fsblocks */
200 __u32 swidth; /* stripe width, fsblocks */
201 __s32 version; /* structure version */
202 __u32 flags; /* superblock version flags */
203 __u32 logsectsize; /* log sector size, bytes */
204 __u32 rtsectsize; /* realtime sector size, bytes */
205 __u32 dirblocksize; /* directory block size, bytes */
206 __u32 logsunit; /* log stripe unit, bytes */
207} xfs_fsop_geom_t;
208
209/* Output for XFS_FS_COUNTS */
210typedef struct xfs_fsop_counts {
211 __u64 freedata; /* free data section blocks */
212 __u64 freertx; /* free rt extents */
213 __u64 freeino; /* free inodes */
214 __u64 allocino; /* total allocated inodes */
215} xfs_fsop_counts_t;
216
217/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
218typedef struct xfs_fsop_resblks {
219 __u64 resblks;
220 __u64 resblks_avail;
221} xfs_fsop_resblks_t;
222
223#define XFS_FSOP_GEOM_VERSION 0
224
225#define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
226#define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
227#define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
228#define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
229#define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
230#define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
231#define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
232#define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
233#define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
234#define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
Nathan Scottd8cc8902005-11-02 10:34:53 +1100235#define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
Mark Tinguely2900a572013-10-02 16:00:06 -0500236#define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */
Eric Sandeen69a58a42012-10-09 14:11:45 -0500237#define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
David Chinner92821e22007-05-24 15:26:31 +1000238#define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
Dave Chinnere7927e82013-05-27 16:38:26 +1000239#define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
Mark Tinguely2900a572013-10-02 16:00:06 -0500240#define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
Brian Foster0c153c12014-04-24 16:01:41 +1000241#define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242
243/*
Jie Liu3e7b91c2013-08-12 20:50:03 +1000244 * Minimum and maximum sizes need for growth checks.
245 *
246 * Block counts are in units of filesystem blocks, not basic blocks.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247 */
248#define XFS_MIN_AG_BLOCKS 64
Christoph Hellwige1696832009-06-08 15:32:59 +0200249#define XFS_MIN_LOG_BLOCKS 512ULL
250#define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
251#define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
252
253/* keep the maximum size under 2^31 by a small amount */
254#define XFS_MAX_LOG_BYTES \
255 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256
Eric Sandeenc0e090c2011-05-20 21:52:17 +0000257/* Used for sanity checks on superblock */
Christoph Hellwigd5cf09b2014-07-30 09:12:05 +1000258#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
259#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
Eric Sandeenc0e090c2011-05-20 21:52:17 +0000260 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
261
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262/*
263 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
264 */
265typedef struct xfs_growfs_data {
266 __u64 newblocks; /* new data subvol size, fsblocks */
267 __u32 imaxpct; /* new inode space percentage limit */
268} xfs_growfs_data_t;
269
270typedef struct xfs_growfs_log {
271 __u32 newblocks; /* new log size, fsblocks */
272 __u32 isint; /* 1 if new log is internal */
273} xfs_growfs_log_t;
274
275typedef struct xfs_growfs_rt {
276 __u64 newblocks; /* new realtime size, fsblocks */
277 __u32 extsize; /* new realtime extent size, fsblocks */
278} xfs_growfs_rt_t;
279
280
281/*
282 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
283 */
284typedef struct xfs_bstime {
285 time_t tv_sec; /* seconds */
286 __s32 tv_nsec; /* and nanoseconds */
287} xfs_bstime_t;
288
289typedef struct xfs_bstat {
290 __u64 bs_ino; /* inode number */
291 __u16 bs_mode; /* type and mode */
292 __u16 bs_nlink; /* number of links */
293 __u32 bs_uid; /* user id */
294 __u32 bs_gid; /* group id */
295 __u32 bs_rdev; /* device value */
296 __s32 bs_blksize; /* block size */
297 __s64 bs_size; /* file size */
298 xfs_bstime_t bs_atime; /* access time */
299 xfs_bstime_t bs_mtime; /* modify time */
300 xfs_bstime_t bs_ctime; /* inode change time */
301 int64_t bs_blocks; /* number of blocks */
302 __u32 bs_xflags; /* extended flags */
303 __s32 bs_extsize; /* extent size */
304 __s32 bs_extents; /* number of extents */
305 __u32 bs_gen; /* generation count */
Arkadiusz Mi?kiewicz67430992010-09-26 06:10:18 +0000306 __u16 bs_projid_lo; /* lower part of project id */
307#define bs_projid bs_projid_lo /* (previously just bs_projid) */
Dave Chinner07000ee2010-03-05 04:41:14 +0000308 __u16 bs_forkoff; /* inode fork offset in bytes */
Arkadiusz Mi?kiewicz67430992010-09-26 06:10:18 +0000309 __u16 bs_projid_hi; /* higher part of project id */
310 unsigned char bs_pad[10]; /* pad space, unused */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700311 __u32 bs_dmevmask; /* DMIG event mask */
312 __u16 bs_dmstate; /* DMIG state info */
313 __u16 bs_aextents; /* attribute number of extents */
314} xfs_bstat_t;
315
316/*
Dave Chinnerd386b322013-08-12 20:49:31 +1000317 * Project quota id helpers (previously projid was 16bit only
318 * and using two 16bit values to hold new 32bit projid was choosen
319 * to retain compatibility with "old" filesystems).
320 */
321static inline __uint32_t
322bstat_get_projid(struct xfs_bstat *bs)
323{
324 return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
325}
326
327/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700328 * The user-level BulkStat Request interface structure.
329 */
330typedef struct xfs_fsop_bulkreq {
331 __u64 __user *lastip; /* last inode # pointer */
332 __s32 icount; /* count of entries in buffer */
333 void __user *ubuffer;/* user buffer for inode desc. */
334 __s32 __user *ocount; /* output count pointer */
335} xfs_fsop_bulkreq_t;
336
337
338/*
339 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
340 */
341typedef struct xfs_inogrp {
342 __u64 xi_startino; /* starting inode number */
343 __s32 xi_alloccount; /* # bits set in allocmask */
344 __u64 xi_allocmask; /* mask of allocated inodes */
345} xfs_inogrp_t;
346
347
348/*
349 * Error injection.
350 */
351typedef struct xfs_error_injection {
352 __s32 fd;
353 __s32 errtag;
354} xfs_error_injection_t;
355
356
357/*
Brian Foster8ca149d2012-11-07 12:21:12 -0500358 * Speculative preallocation trimming.
359 */
360#define XFS_EOFBLOCKS_VERSION 1
Dwight Engenb9fe5052013-08-15 14:08:02 -0400361struct xfs_fs_eofblocks {
Brian Foster8ca149d2012-11-07 12:21:12 -0500362 __u32 eof_version;
363 __u32 eof_flags;
Brian Foster3e3f9f52012-11-07 12:21:13 -0500364 uid_t eof_uid;
365 gid_t eof_gid;
366 prid_t eof_prid;
367 __u32 pad32;
Brian Foster00ca79a2012-11-07 12:21:14 -0500368 __u64 eof_min_file_size;
369 __u64 pad64[12];
Brian Foster8ca149d2012-11-07 12:21:12 -0500370};
371
372/* eof_flags values */
373#define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
Brian Foster3e3f9f52012-11-07 12:21:13 -0500374#define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
375#define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
376#define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
Brian Foster00ca79a2012-11-07 12:21:14 -0500377#define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
Brian Fosterf4526392014-07-24 19:44:28 +1000378#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
379 * kernel only, not included in
380 * valid mask */
Brian Foster8ca149d2012-11-07 12:21:12 -0500381#define XFS_EOF_FLAGS_VALID \
Brian Foster3e3f9f52012-11-07 12:21:13 -0500382 (XFS_EOF_FLAGS_SYNC | \
383 XFS_EOF_FLAGS_UID | \
384 XFS_EOF_FLAGS_GID | \
Brian Foster00ca79a2012-11-07 12:21:14 -0500385 XFS_EOF_FLAGS_PRID | \
386 XFS_EOF_FLAGS_MINFILESIZE)
Brian Foster8ca149d2012-11-07 12:21:12 -0500387
388
389/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390 * The user-level Handle Request interface structure.
391 */
392typedef struct xfs_fsop_handlereq {
393 __u32 fd; /* fd for FD_TO_HANDLE */
394 void __user *path; /* user pathname */
395 __u32 oflags; /* open flags */
396 void __user *ihandle;/* user supplied handle */
397 __u32 ihandlen; /* user supplied length */
398 void __user *ohandle;/* user buffer for handle */
399 __u32 __user *ohandlen;/* user buffer length */
400} xfs_fsop_handlereq_t;
401
402/*
403 * Compound structures for passing args through Handle Request interfaces
404 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
405 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
406 * XFS_IOC_ATTRMULTI_BY_HANDLE
407 */
408
409typedef struct xfs_fsop_setdm_handlereq {
410 struct xfs_fsop_handlereq hreq; /* handle information */
411 struct fsdmidata __user *data; /* DMAPI data */
412} xfs_fsop_setdm_handlereq_t;
413
414typedef struct xfs_attrlist_cursor {
415 __u32 opaque[4];
416} xfs_attrlist_cursor_t;
417
418typedef struct xfs_fsop_attrlist_handlereq {
419 struct xfs_fsop_handlereq hreq; /* handle interface structure */
420 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
421 __u32 flags; /* which namespace to use */
422 __u32 buflen; /* length of buffer supplied */
423 void __user *buffer; /* returned names */
424} xfs_fsop_attrlist_handlereq_t;
425
426typedef struct xfs_attr_multiop {
427 __u32 am_opcode;
Christoph Hellwige182f572008-06-27 13:32:31 +1000428#define ATTR_OP_GET 1 /* return the indicated attr's value */
429#define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
430#define ATTR_OP_REMOVE 3 /* remove the indicated attr */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431 __s32 am_error;
432 void __user *am_attrname;
433 void __user *am_attrvalue;
434 __u32 am_length;
435 __u32 am_flags;
436} xfs_attr_multiop_t;
437
438typedef struct xfs_fsop_attrmulti_handlereq {
439 struct xfs_fsop_handlereq hreq; /* handle interface structure */
440 __u32 opcount;/* count of following multiop */
441 struct xfs_attr_multiop __user *ops; /* attr_multi data */
442} xfs_fsop_attrmulti_handlereq_t;
443
444/*
445 * per machine unique filesystem identifier types.
446 */
447typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
448
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449typedef struct xfs_fid {
Christoph Hellwigc6143912007-09-14 15:22:37 +1000450 __u16 fid_len; /* length of remainder */
451 __u16 fid_pad;
452 __u32 fid_gen; /* generation number */
453 __u64 fid_ino; /* 64 bits inode number */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700454} xfs_fid_t;
455
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456typedef struct xfs_handle {
457 union {
458 __s64 align; /* force alignment of ha_fid */
459 xfs_fsid_t _ha_fsid; /* unique file system identifier */
460 } ha_u;
461 xfs_fid_t ha_fid; /* file system specific file ID */
462} xfs_handle_t;
463#define ha_fsid ha_u._ha_fsid
464
Christoph Hellwigc6143912007-09-14 15:22:37 +1000465#define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700466 - (char *) &(handle)) \
Christoph Hellwigc6143912007-09-14 15:22:37 +1000467 + (handle).ha_fid.fid_len)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468
Eric Sandeen3f892432006-09-28 11:02:57 +1000469/*
Dave Chinnera133d952013-08-12 20:49:48 +1000470 * Structure passed to XFS_IOC_SWAPEXT
471 */
472typedef struct xfs_swapext
473{
474 __int64_t sx_version; /* version */
475#define XFS_SX_VERSION 0
476 __int64_t sx_fdtarget; /* fd of target file */
477 __int64_t sx_fdtmp; /* fd of tmp file */
478 xfs_off_t sx_offset; /* offset into file */
479 xfs_off_t sx_length; /* leng from offset */
480 char sx_pad[16]; /* pad space, unused */
481 xfs_bstat_t sx_stat; /* stat of target b4 copy */
482} xfs_swapext_t;
483
484/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485 * Flags for going down operation
486 */
487#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
488#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
489#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
490
491/*
492 * ioctl commands that are used by Linux filesystems
493 */
Eric Sandeenbc58f9b2007-10-12 11:13:22 +1000494#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
495#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
496#define XFS_IOC_GETVERSION FS_IOC_GETVERSION
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
498/*
499 * ioctl commands that replace IRIX fcntl()'s
500 * For 'documentation' purposed more than anything else,
501 * the "cmd #" field reflects the IRIX fcntl number.
502 */
503#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
504#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
505#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
506#define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
507#define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
508#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
509#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
510#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
511#define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
512#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
513#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
514#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
515#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
516#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
517#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
518/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
519/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
520#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
Dave Chinner44722352010-08-24 12:02:11 +1000521#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
Dave Chinnerb771af22013-09-24 16:01:15 +1000522#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523
524/*
525 * ioctl commands that replace IRIX syssgi()'s
526 */
527#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
528#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
529#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
530#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
531#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
532#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
533#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
534#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
535#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
536#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
537#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
538#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
539#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
540#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
541#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
542#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
543#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
544#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
545/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
Dave Chinnerd386b322013-08-12 20:49:31 +1000546
Takashi Sato8e961872009-01-09 16:41:00 -0800547/* XFS_IOC_FREEZE -- FIFREEZE 119 */
548/* XFS_IOC_THAW -- FITHAW 120 */
Dave Chinnerd386b322013-08-12 20:49:31 +1000549#ifndef FIFREEZE
550#define XFS_IOC_FREEZE _IOWR('X', 119, int)
551#define XFS_IOC_THAW _IOWR('X', 120, int)
552#endif
553
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
555#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
556#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
557#define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
558#define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
559/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
560
561
562#ifndef HAVE_BBMACROS
563/*
564 * Block I/O parameterization. A basic block (BB) is the lowest size of
565 * filesystem allocation, and must equal 512. Length units given to bio
566 * routines are in BB's.
567 */
568#define BBSHIFT 9
569#define BBSIZE (1<<BBSHIFT)
570#define BBMASK (BBSIZE-1)
571#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
572#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
573#define BBTOB(bbs) ((bbs) << BBSHIFT)
574#endif
575
576#endif /* __XFS_FS_H__ */