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xfs_ioctl32.h
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1 /*
2  * Copyright (c) 2004-2005 Silicon Graphics, Inc.
3  * All Rights Reserved.
4  *
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.
8  *
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.
13  *
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
17  */
18 #ifndef __XFS_IOCTL32_H__
19 #define __XFS_IOCTL32_H__
20 
21 #include <linux/compat.h>
22 
23 /*
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.
27  *
28  * xfs_ioctl32.c contains routines to copy these structures in and out.
29  */
30 
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
35 
36 /*
37  * On intel, even if sizes match, alignment and/or padding may differ.
38  */
39 #if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
40 #define BROKEN_X86_ALIGNMENT
41 #define __compat_packed __attribute__((packed))
42 #else
43 #define __compat_packed
44 #endif
45 
46 typedef struct compat_xfs_bstime {
47  compat_time_t tv_sec; /* seconds */
48  __s32 tv_nsec; /* and nanoseconds */
49 } compat_xfs_bstime_t;
50 
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;
76 
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;
83 
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)
90 
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;
100 
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)
111 
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;
122 
123 #define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext)
124 
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;
132 
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)
136 
137 /* am_opcodes defined in xfs_fs.h */
138 typedef struct compat_xfs_attr_multiop {
139  __u32 am_opcode;
140  __s32 am_error;
141  compat_uptr_t am_attrname;
142  compat_uptr_t am_attrvalue;
143  __u32 am_length;
144  __u32 am_flags;
145 } compat_xfs_attr_multiop_t;
146 
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;
153 
154 #define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
155  _IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
156 
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;
162 
163 #define XFS_IOC_FSSETDM_BY_HANDLE_32 \
164  _IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq)
165 
166 #ifdef BROKEN_X86_ALIGNMENT
167 /* on ia32 l_start is on a 32-bit boundary */
168 typedef struct compat_xfs_flock64 {
169  __s16 l_type;
170  __s16 l_whence;
171  __s64 l_start __attribute__((packed));
172  /* len == 0 means until end of file */
173  __s64 l_len __attribute__((packed));
174  __s32 l_sysid;
175  __u32 l_pid;
176  __s32 l_pad[4]; /* reserve area */
177 } compat_xfs_flock64_t;
178 
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)
188 
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;
211 
212 #define XFS_IOC_FSGEOMETRY_V1_32 \
213  _IOR('X', 100, struct compat_xfs_fsop_geom_v1)
214 
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;
220 
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;
226 
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;
231 
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)
234 
235 #endif /* BROKEN_X86_ALIGNMENT */
236 
237 #endif /* __XFS_IOCTL32_H__ */
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