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