forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathxfs_ioctl32.h
217 lines (190 loc) · 8.08 KB
/
xfs_ioctl32.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2004-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_IOCTL32_H__
#define __XFS_IOCTL32_H__
#include <linux/compat.h>
/*
* on 32-bit arches, ioctl argument structures may have different sizes
* and/or alignment. We define compat structures which match the
* 32-bit sizes/alignments here, and their associated ioctl numbers.
*
* xfs_ioctl32.c contains routines to copy these structures in and out.
*/
/* stock kernel-level ioctls we support */
#define XFS_IOC_GETXFLAGS_32 FS_IOC32_GETFLAGS
#define XFS_IOC_SETXFLAGS_32 FS_IOC32_SETFLAGS
#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
/*
* On intel, even if sizes match, alignment and/or padding may differ.
*/
#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
#define BROKEN_X86_ALIGNMENT
#define __compat_packed __attribute__((packed))
#else
#define __compat_packed
#endif
typedef struct compat_xfs_bstime {
old_time32_t tv_sec; /* seconds */
__s32 tv_nsec; /* and nanoseconds */
} compat_xfs_bstime_t;
struct compat_xfs_bstat {
__u64 bs_ino; /* inode number */
__u16 bs_mode; /* type and mode */
__u16 bs_nlink; /* number of links */
__u32 bs_uid; /* user id */
__u32 bs_gid; /* group id */
__u32 bs_rdev; /* device value */
__s32 bs_blksize; /* block size */
__s64 bs_size; /* file size */
compat_xfs_bstime_t bs_atime; /* access time */
compat_xfs_bstime_t bs_mtime; /* modify time */
compat_xfs_bstime_t bs_ctime; /* inode change time */
int64_t bs_blocks; /* number of blocks */
__u32 bs_xflags; /* extended flags */
__s32 bs_extsize; /* extent size */
__s32 bs_extents; /* number of extents */
__u32 bs_gen; /* generation count */
__u16 bs_projid_lo; /* lower part of project id */
#define bs_projid bs_projid_lo /* (previously just bs_projid) */
__u16 bs_forkoff; /* inode fork offset in bytes */
__u16 bs_projid_hi; /* high part of project id */
unsigned char bs_pad[10]; /* pad space, unused */
__u32 bs_dmevmask; /* DMIG event mask */
__u16 bs_dmstate; /* DMIG state info */
__u16 bs_aextents; /* attribute number of extents */
} __compat_packed;
struct compat_xfs_fsop_bulkreq {
compat_uptr_t lastip; /* last inode # pointer */
__s32 icount; /* count of entries in buffer */
compat_uptr_t ubuffer; /* user buffer for inode desc. */
compat_uptr_t ocount; /* output count pointer */
};
#define XFS_IOC_FSBULKSTAT_32 \
_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
#define XFS_IOC_FSINUMBERS_32 \
_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
typedef struct compat_xfs_fsop_handlereq {
__u32 fd; /* fd for FD_TO_HANDLE */
compat_uptr_t path; /* user pathname */
__u32 oflags; /* open flags */
compat_uptr_t ihandle; /* user supplied handle */
__u32 ihandlen; /* user supplied length */
compat_uptr_t ohandle; /* user buffer for handle */
compat_uptr_t ohandlen; /* user buffer length */
} compat_xfs_fsop_handlereq_t;
#define XFS_IOC_PATH_TO_FSHANDLE_32 \
_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_PATH_TO_HANDLE_32 \
_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_FD_TO_HANDLE_32 \
_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_OPEN_BY_HANDLE_32 \
_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_READLINK_BY_HANDLE_32 \
_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
/* The bstat field in the swapext struct needs translation */
struct compat_xfs_swapext {
int64_t sx_version; /* version */
int64_t sx_fdtarget; /* fd of target file */
int64_t sx_fdtmp; /* fd of tmp file */
xfs_off_t sx_offset; /* offset into file */
xfs_off_t sx_length; /* leng from offset */
char sx_pad[16]; /* pad space, unused */
struct compat_xfs_bstat sx_stat; /* stat of target b4 copy */
} __compat_packed;
#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext)
typedef struct compat_xfs_fsop_attrlist_handlereq {
struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
__u32 flags; /* which namespace to use */
__u32 buflen; /* length of buffer supplied */
compat_uptr_t buffer; /* returned names */
} __compat_packed compat_xfs_fsop_attrlist_handlereq_t;
/* Note: actually this is read/write */
#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \
_IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq)
/* am_opcodes defined in xfs_fs.h */
typedef struct compat_xfs_attr_multiop {
__u32 am_opcode;
__s32 am_error;
compat_uptr_t am_attrname;
compat_uptr_t am_attrvalue;
__u32 am_length;
__u32 am_flags;
} compat_xfs_attr_multiop_t;
typedef struct compat_xfs_fsop_attrmulti_handlereq {
struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
__u32 opcount;/* count of following multiop */
/* ptr to compat_xfs_attr_multiop */
compat_uptr_t ops; /* attr_multi data */
} compat_xfs_fsop_attrmulti_handlereq_t;
#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
_IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
#ifdef BROKEN_X86_ALIGNMENT
/* on ia32 l_start is on a 32-bit boundary */
typedef struct compat_xfs_flock64 {
__s16 l_type;
__s16 l_whence;
__s64 l_start __attribute__((packed));
/* len == 0 means until end of file */
__s64 l_len __attribute__((packed));
__s32 l_sysid;
__u32 l_pid;
__s32 l_pad[4]; /* reserve area */
} compat_xfs_flock64_t;
#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64)
#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64)
#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64)
#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64)
#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64)
#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64)
#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64)
#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64)
#define XFS_IOC_ZERO_RANGE_32 _IOW('X', 57, struct compat_xfs_flock64)
typedef struct compat_xfs_fsop_geom_v1 {
__u32 blocksize; /* filesystem (data) block size */
__u32 rtextsize; /* realtime extent size */
__u32 agblocks; /* fsblocks in an AG */
__u32 agcount; /* number of allocation groups */
__u32 logblocks; /* fsblocks in the log */
__u32 sectsize; /* (data) sector size, bytes */
__u32 inodesize; /* inode size in bytes */
__u32 imaxpct; /* max allowed inode space(%) */
__u64 datablocks; /* fsblocks in data subvolume */
__u64 rtblocks; /* fsblocks in realtime subvol */
__u64 rtextents; /* rt extents in realtime subvol*/
__u64 logstart; /* starting fsblock of the log */
unsigned char uuid[16]; /* unique id of the filesystem */
__u32 sunit; /* stripe unit, fsblocks */
__u32 swidth; /* stripe width, fsblocks */
__s32 version; /* structure version */
__u32 flags; /* superblock version flags */
__u32 logsectsize; /* log sector size, bytes */
__u32 rtsectsize; /* realtime sector size, bytes */
__u32 dirblocksize; /* directory block size, bytes */
} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
#define XFS_IOC_FSGEOMETRY_V1_32 \
_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
struct compat_xfs_inogrp {
__u64 xi_startino; /* starting inode number */
__s32 xi_alloccount; /* # bits set in allocmask */
__u64 xi_allocmask; /* mask of allocated inodes */
} __attribute__((packed));
/* These growfs input structures have padding on the end, so must translate */
typedef struct compat_xfs_growfs_data {
__u64 newblocks; /* new data subvol size, fsblocks */
__u32 imaxpct; /* new inode space percentage limit */
} __attribute__((packed)) compat_xfs_growfs_data_t;
typedef struct compat_xfs_growfs_rt {
__u64 newblocks; /* new realtime size, fsblocks */
__u32 extsize; /* new realtime extent size, fsblocks */
} __attribute__((packed)) compat_xfs_growfs_rt_t;
#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)
#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt)
#endif /* BROKEN_X86_ALIGNMENT */
#endif /* __XFS_IOCTL32_H__ */