2
* Copyright (c) 2004-2005 Silicon Graphics, Inc.
5
* This program is free software; you can redistribute it and/or
6
* modify it under the terms of the GNU General Public License as
7
* published by the Free Software Foundation.
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 General Public License for more details.
14
* You should have received a copy of the GNU 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
18
#ifndef __XFS_IOCTL32_H__
19
#define __XFS_IOCTL32_H__
21
#include <linux/compat.h>
24
* on 32-bit arches, ioctl argument structures may have different sizes
25
* and/or alignment. We define compat structures which match the
26
* 32-bit sizes/alignments here, and their associated ioctl numbers.
28
* xfs_ioctl32.c contains routines to copy these structures in and out.
31
/* stock kernel-level ioctls we support */
32
#define XFS_IOC_GETXFLAGS_32 FS_IOC32_GETFLAGS
33
#define XFS_IOC_SETXFLAGS_32 FS_IOC32_SETFLAGS
34
#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
37
* On intel, even if sizes match, alignment and/or padding may differ.
39
#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
40
#define BROKEN_X86_ALIGNMENT
41
#define __compat_packed __attribute__((packed))
43
#define __compat_packed
46
typedef struct compat_xfs_bstime {
47
compat_time_t tv_sec; /* seconds */
48
__s32 tv_nsec; /* and nanoseconds */
49
} compat_xfs_bstime_t;
51
typedef struct compat_xfs_bstat {
52
__u64 bs_ino; /* inode number */
53
__u16 bs_mode; /* type and mode */
54
__u16 bs_nlink; /* number of links */
55
__u32 bs_uid; /* user id */
56
__u32 bs_gid; /* group id */
57
__u32 bs_rdev; /* device value */
58
__s32 bs_blksize; /* block size */
59
__s64 bs_size; /* file size */
60
compat_xfs_bstime_t bs_atime; /* access time */
61
compat_xfs_bstime_t bs_mtime; /* modify time */
62
compat_xfs_bstime_t bs_ctime; /* inode change time */
63
int64_t bs_blocks; /* number of blocks */
64
__u32 bs_xflags; /* extended flags */
65
__s32 bs_extsize; /* extent size */
66
__s32 bs_extents; /* number of extents */
67
__u32 bs_gen; /* generation count */
68
__u16 bs_projid_lo; /* lower part of project id */
69
#define bs_projid bs_projid_lo /* (previously just bs_projid) */
70
__u16 bs_projid_hi; /* high part of project id */
71
unsigned char bs_pad[12]; /* pad space, unused */
72
__u32 bs_dmevmask; /* DMIG event mask */
73
__u16 bs_dmstate; /* DMIG state info */
74
__u16 bs_aextents; /* attribute number of extents */
75
} __compat_packed compat_xfs_bstat_t;
77
typedef struct compat_xfs_fsop_bulkreq {
78
compat_uptr_t lastip; /* last inode # pointer */
79
__s32 icount; /* count of entries in buffer */
80
compat_uptr_t ubuffer; /* user buffer for inode desc. */
81
compat_uptr_t ocount; /* output count pointer */
82
} compat_xfs_fsop_bulkreq_t;
84
#define XFS_IOC_FSBULKSTAT_32 \
85
_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
86
#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
87
_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
88
#define XFS_IOC_FSINUMBERS_32 \
89
_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
91
typedef struct compat_xfs_fsop_handlereq {
92
__u32 fd; /* fd for FD_TO_HANDLE */
93
compat_uptr_t path; /* user pathname */
94
__u32 oflags; /* open flags */
95
compat_uptr_t ihandle; /* user supplied handle */
96
__u32 ihandlen; /* user supplied length */
97
compat_uptr_t ohandle; /* user buffer for handle */
98
compat_uptr_t ohandlen; /* user buffer length */
99
} compat_xfs_fsop_handlereq_t;
101
#define XFS_IOC_PATH_TO_FSHANDLE_32 \
102
_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
103
#define XFS_IOC_PATH_TO_HANDLE_32 \
104
_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
105
#define XFS_IOC_FD_TO_HANDLE_32 \
106
_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
107
#define XFS_IOC_OPEN_BY_HANDLE_32 \
108
_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
109
#define XFS_IOC_READLINK_BY_HANDLE_32 \
110
_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
112
/* The bstat field in the swapext struct needs translation */
113
typedef struct compat_xfs_swapext {
114
__int64_t sx_version; /* version */
115
__int64_t sx_fdtarget; /* fd of target file */
116
__int64_t sx_fdtmp; /* fd of tmp file */
117
xfs_off_t sx_offset; /* offset into file */
118
xfs_off_t sx_length; /* leng from offset */
119
char sx_pad[16]; /* pad space, unused */
120
compat_xfs_bstat_t sx_stat; /* stat of target b4 copy */
121
} __compat_packed compat_xfs_swapext_t;
123
#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext)
125
typedef struct compat_xfs_fsop_attrlist_handlereq {
126
struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
127
struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
128
__u32 flags; /* which namespace to use */
129
__u32 buflen; /* length of buffer supplied */
130
compat_uptr_t buffer; /* returned names */
131
} __compat_packed compat_xfs_fsop_attrlist_handlereq_t;
133
/* Note: actually this is read/write */
134
#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \
135
_IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq)
137
/* am_opcodes defined in xfs_fs.h */
138
typedef struct compat_xfs_attr_multiop {
141
compat_uptr_t am_attrname;
142
compat_uptr_t am_attrvalue;
145
} compat_xfs_attr_multiop_t;
147
typedef struct compat_xfs_fsop_attrmulti_handlereq {
148
struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
149
__u32 opcount;/* count of following multiop */
150
/* ptr to compat_xfs_attr_multiop */
151
compat_uptr_t ops; /* attr_multi data */
152
} compat_xfs_fsop_attrmulti_handlereq_t;
154
#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
155
_IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
157
typedef struct compat_xfs_fsop_setdm_handlereq {
158
struct compat_xfs_fsop_handlereq hreq; /* handle information */
159
/* ptr to struct fsdmidata */
160
compat_uptr_t data; /* DMAPI data */
161
} compat_xfs_fsop_setdm_handlereq_t;
163
#define XFS_IOC_FSSETDM_BY_HANDLE_32 \
164
_IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq)
166
#ifdef BROKEN_X86_ALIGNMENT
167
/* on ia32 l_start is on a 32-bit boundary */
168
typedef struct compat_xfs_flock64 {
171
__s64 l_start __attribute__((packed));
172
/* len == 0 means until end of file */
173
__s64 l_len __attribute__((packed));
176
__s32 l_pad[4]; /* reserve area */
177
} compat_xfs_flock64_t;
179
#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64)
180
#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64)
181
#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64)
182
#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64)
183
#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64)
184
#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64)
185
#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64)
186
#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64)
187
#define XFS_IOC_ZERO_RANGE_32 _IOW('X', 57, struct compat_xfs_flock64)
189
typedef struct compat_xfs_fsop_geom_v1 {
190
__u32 blocksize; /* filesystem (data) block size */
191
__u32 rtextsize; /* realtime extent size */
192
__u32 agblocks; /* fsblocks in an AG */
193
__u32 agcount; /* number of allocation groups */
194
__u32 logblocks; /* fsblocks in the log */
195
__u32 sectsize; /* (data) sector size, bytes */
196
__u32 inodesize; /* inode size in bytes */
197
__u32 imaxpct; /* max allowed inode space(%) */
198
__u64 datablocks; /* fsblocks in data subvolume */
199
__u64 rtblocks; /* fsblocks in realtime subvol */
200
__u64 rtextents; /* rt extents in realtime subvol*/
201
__u64 logstart; /* starting fsblock of the log */
202
unsigned char uuid[16]; /* unique id of the filesystem */
203
__u32 sunit; /* stripe unit, fsblocks */
204
__u32 swidth; /* stripe width, fsblocks */
205
__s32 version; /* structure version */
206
__u32 flags; /* superblock version flags */
207
__u32 logsectsize; /* log sector size, bytes */
208
__u32 rtsectsize; /* realtime sector size, bytes */
209
__u32 dirblocksize; /* directory block size, bytes */
210
} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
212
#define XFS_IOC_FSGEOMETRY_V1_32 \
213
_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
215
typedef struct compat_xfs_inogrp {
216
__u64 xi_startino; /* starting inode number */
217
__s32 xi_alloccount; /* # bits set in allocmask */
218
__u64 xi_allocmask; /* mask of allocated inodes */
219
} __attribute__((packed)) compat_xfs_inogrp_t;
221
/* These growfs input structures have padding on the end, so must translate */
222
typedef struct compat_xfs_growfs_data {
223
__u64 newblocks; /* new data subvol size, fsblocks */
224
__u32 imaxpct; /* new inode space percentage limit */
225
} __attribute__((packed)) compat_xfs_growfs_data_t;
227
typedef struct compat_xfs_growfs_rt {
228
__u64 newblocks; /* new realtime size, fsblocks */
229
__u32 extsize; /* new realtime extent size, fsblocks */
230
} __attribute__((packed)) compat_xfs_growfs_rt_t;
232
#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)
233
#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt)
235
#endif /* BROKEN_X86_ALIGNMENT */
237
#endif /* __XFS_IOCTL32_H__ */