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 | |