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 46typedef struct compat_xfs_bstime { 47 compat_time_t tv_sec; /* seconds */ 48 __s32 tv_nsec; /* and nanoseconds */ 49} compat_xfs_bstime_t; 50 51typedef 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_forkoff; /* inode fork offset in bytes */ 71 __u16 bs_projid_hi; /* high part of project id */ 72 unsigned char bs_pad[10]; /* pad space, unused */ 73 __u32 bs_dmevmask; /* DMIG event mask */ 74 __u16 bs_dmstate; /* DMIG state info */ 75 __u16 bs_aextents; /* attribute number of extents */ 76} __compat_packed compat_xfs_bstat_t; 77 78typedef struct compat_xfs_fsop_bulkreq { 79 compat_uptr_t lastip; /* last inode # pointer */ 80 __s32 icount; /* count of entries in buffer */ 81 compat_uptr_t ubuffer; /* user buffer for inode desc. */ 82 compat_uptr_t ocount; /* output count pointer */ 83} compat_xfs_fsop_bulkreq_t; 84 85#define XFS_IOC_FSBULKSTAT_32 \ 86 _IOWR('X', 101, struct compat_xfs_fsop_bulkreq) 87#define XFS_IOC_FSBULKSTAT_SINGLE_32 \ 88 _IOWR('X', 102, struct compat_xfs_fsop_bulkreq) 89#define XFS_IOC_FSINUMBERS_32 \ 90 _IOWR('X', 103, struct compat_xfs_fsop_bulkreq) 91 92typedef struct compat_xfs_fsop_handlereq { 93 __u32 fd; /* fd for FD_TO_HANDLE */ 94 compat_uptr_t path; /* user pathname */ 95 __u32 oflags; /* open flags */ 96 compat_uptr_t ihandle; /* user supplied handle */ 97 __u32 ihandlen; /* user supplied length */ 98 compat_uptr_t ohandle; /* user buffer for handle */ 99 compat_uptr_t ohandlen; /* user buffer length */ 100} compat_xfs_fsop_handlereq_t; 101 102#define XFS_IOC_PATH_TO_FSHANDLE_32 \ 103 _IOWR('X', 104, struct compat_xfs_fsop_handlereq) 104#define XFS_IOC_PATH_TO_HANDLE_32 \ 105 _IOWR('X', 105, struct compat_xfs_fsop_handlereq) 106#define XFS_IOC_FD_TO_HANDLE_32 \ 107 _IOWR('X', 106, struct compat_xfs_fsop_handlereq) 108#define XFS_IOC_OPEN_BY_HANDLE_32 \ 109 _IOWR('X', 107, struct compat_xfs_fsop_handlereq) 110#define XFS_IOC_READLINK_BY_HANDLE_32 \ 111 _IOWR('X', 108, struct compat_xfs_fsop_handlereq) 112 113/* The bstat field in the swapext struct needs translation */ 114typedef struct compat_xfs_swapext { 115 __int64_t sx_version; /* version */ 116 __int64_t sx_fdtarget; /* fd of target file */ 117 __int64_t sx_fdtmp; /* fd of tmp file */ 118 xfs_off_t sx_offset; /* offset into file */ 119 xfs_off_t sx_length; /* leng from offset */ 120 char sx_pad[16]; /* pad space, unused */ 121 compat_xfs_bstat_t sx_stat; /* stat of target b4 copy */ 122} __compat_packed compat_xfs_swapext_t; 123 124#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext) 125 126typedef struct compat_xfs_fsop_attrlist_handlereq { 127 struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */ 128 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 129 __u32 flags; /* which namespace to use */ 130 __u32 buflen; /* length of buffer supplied */ 131 compat_uptr_t buffer; /* returned names */ 132} __compat_packed compat_xfs_fsop_attrlist_handlereq_t; 133 134/* Note: actually this is read/write */ 135#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \ 136 _IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq) 137 138/* am_opcodes defined in xfs_fs.h */ 139typedef struct compat_xfs_attr_multiop { 140 __u32 am_opcode; 141 __s32 am_error; 142 compat_uptr_t am_attrname; 143 compat_uptr_t am_attrvalue; 144 __u32 am_length; 145 __u32 am_flags; 146} compat_xfs_attr_multiop_t; 147 148typedef struct compat_xfs_fsop_attrmulti_handlereq { 149 struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */ 150 __u32 opcount;/* count of following multiop */ 151 /* ptr to compat_xfs_attr_multiop */ 152 compat_uptr_t ops; /* attr_multi data */ 153} compat_xfs_fsop_attrmulti_handlereq_t; 154 155#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \ 156 _IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq) 157 158typedef struct compat_xfs_fsop_setdm_handlereq { 159 struct compat_xfs_fsop_handlereq hreq; /* handle information */ 160 /* ptr to struct fsdmidata */ 161 compat_uptr_t data; /* DMAPI data */ 162} compat_xfs_fsop_setdm_handlereq_t; 163 164#define XFS_IOC_FSSETDM_BY_HANDLE_32 \ 165 _IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq) 166 167#ifdef BROKEN_X86_ALIGNMENT 168/* on ia32 l_start is on a 32-bit boundary */ 169typedef struct compat_xfs_flock64 { 170 __s16 l_type; 171 __s16 l_whence; 172 __s64 l_start __attribute__((packed)); 173 /* len == 0 means until end of file */ 174 __s64 l_len __attribute__((packed)); 175 __s32 l_sysid; 176 __u32 l_pid; 177 __s32 l_pad[4]; /* reserve area */ 178} compat_xfs_flock64_t; 179 180#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64) 181#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64) 182#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64) 183#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64) 184#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64) 185#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64) 186#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64) 187#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64) 188#define XFS_IOC_ZERO_RANGE_32 _IOW('X', 57, struct compat_xfs_flock64) 189 190typedef struct compat_xfs_fsop_geom_v1 { 191 __u32 blocksize; /* filesystem (data) block size */ 192 __u32 rtextsize; /* realtime extent size */ 193 __u32 agblocks; /* fsblocks in an AG */ 194 __u32 agcount; /* number of allocation groups */ 195 __u32 logblocks; /* fsblocks in the log */ 196 __u32 sectsize; /* (data) sector size, bytes */ 197 __u32 inodesize; /* inode size in bytes */ 198 __u32 imaxpct; /* max allowed inode space(%) */ 199 __u64 datablocks; /* fsblocks in data subvolume */ 200 __u64 rtblocks; /* fsblocks in realtime subvol */ 201 __u64 rtextents; /* rt extents in realtime subvol*/ 202 __u64 logstart; /* starting fsblock of the log */ 203 unsigned char uuid[16]; /* unique id of the filesystem */ 204 __u32 sunit; /* stripe unit, fsblocks */ 205 __u32 swidth; /* stripe width, fsblocks */ 206 __s32 version; /* structure version */ 207 __u32 flags; /* superblock version flags */ 208 __u32 logsectsize; /* log sector size, bytes */ 209 __u32 rtsectsize; /* realtime sector size, bytes */ 210 __u32 dirblocksize; /* directory block size, bytes */ 211} __attribute__((packed)) compat_xfs_fsop_geom_v1_t; 212 213#define XFS_IOC_FSGEOMETRY_V1_32 \ 214 _IOR('X', 100, struct compat_xfs_fsop_geom_v1) 215 216typedef struct compat_xfs_inogrp { 217 __u64 xi_startino; /* starting inode number */ 218 __s32 xi_alloccount; /* # bits set in allocmask */ 219 __u64 xi_allocmask; /* mask of allocated inodes */ 220} __attribute__((packed)) compat_xfs_inogrp_t; 221 222/* These growfs input structures have padding on the end, so must translate */ 223typedef struct compat_xfs_growfs_data { 224 __u64 newblocks; /* new data subvol size, fsblocks */ 225 __u32 imaxpct; /* new inode space percentage limit */ 226} __attribute__((packed)) compat_xfs_growfs_data_t; 227 228typedef struct compat_xfs_growfs_rt { 229 __u64 newblocks; /* new realtime size, fsblocks */ 230 __u32 extsize; /* new realtime extent size, fsblocks */ 231} __attribute__((packed)) compat_xfs_growfs_rt_t; 232 233#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data) 234#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt) 235 236#endif /* BROKEN_X86_ALIGNMENT */ 237 238#endif /* __XFS_IOCTL32_H__ */ 239