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__ */ 238