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_GETXFLAGS_32 FS_IOC32_GETFLAGS 21#define XFS_IOC_SETXFLAGS_32 FS_IOC32_SETFLAGS 22#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION 23 24/* 25 * On intel, even if sizes match, alignment and/or padding may differ. 26 */ 27#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) 28#define BROKEN_X86_ALIGNMENT 29#define __compat_packed __attribute__((packed)) 30#else 31#define __compat_packed 32#endif 33 34typedef struct compat_xfs_bstime { 35 old_time32_t tv_sec; /* seconds */ 36 __s32 tv_nsec; /* and nanoseconds */ 37} compat_xfs_bstime_t; 38 39struct compat_xfs_bstat { 40 __u64 bs_ino; /* inode number */ 41 __u16 bs_mode; /* type and mode */ 42 __u16 bs_nlink; /* number of links */ 43 __u32 bs_uid; /* user id */ 44 __u32 bs_gid; /* group id */ 45 __u32 bs_rdev; /* device value */ 46 __s32 bs_blksize; /* block size */ 47 __s64 bs_size; /* file size */ 48 compat_xfs_bstime_t bs_atime; /* access time */ 49 compat_xfs_bstime_t bs_mtime; /* modify time */ 50 compat_xfs_bstime_t bs_ctime; /* inode change time */ 51 int64_t bs_blocks; /* number of blocks */ 52 __u32 bs_xflags; /* extended flags */ 53 __s32 bs_extsize; /* extent size */ 54 __s32 bs_extents; /* number of extents */ 55 __u32 bs_gen; /* generation count */ 56 __u16 bs_projid_lo; /* lower part of project id */ 57#define bs_projid bs_projid_lo /* (previously just bs_projid) */ 58 __u16 bs_forkoff; /* inode fork offset in bytes */ 59 __u16 bs_projid_hi; /* high part of project id */ 60 unsigned char bs_pad[10]; /* pad space, unused */ 61 __u32 bs_dmevmask; /* DMIG event mask */ 62 __u16 bs_dmstate; /* DMIG state info */ 63 __u16 bs_aextents; /* attribute number of extents */ 64} __compat_packed; 65 66struct compat_xfs_fsop_bulkreq { 67 compat_uptr_t lastip; /* last inode # pointer */ 68 __s32 icount; /* count of entries in buffer */ 69 compat_uptr_t ubuffer; /* user buffer for inode desc. */ 70 compat_uptr_t ocount; /* output count pointer */ 71}; 72 73#define XFS_IOC_FSBULKSTAT_32 \ 74 _IOWR('X', 101, struct compat_xfs_fsop_bulkreq) 75#define XFS_IOC_FSBULKSTAT_SINGLE_32 \ 76 _IOWR('X', 102, struct compat_xfs_fsop_bulkreq) 77#define XFS_IOC_FSINUMBERS_32 \ 78 _IOWR('X', 103, struct compat_xfs_fsop_bulkreq) 79 80typedef struct compat_xfs_fsop_handlereq { 81 __u32 fd; /* fd for FD_TO_HANDLE */ 82 compat_uptr_t path; /* user pathname */ 83 __u32 oflags; /* open flags */ 84 compat_uptr_t ihandle; /* user supplied handle */ 85 __u32 ihandlen; /* user supplied length */ 86 compat_uptr_t ohandle; /* user buffer for handle */ 87 compat_uptr_t ohandlen; /* user buffer length */ 88} compat_xfs_fsop_handlereq_t; 89 90#define XFS_IOC_PATH_TO_FSHANDLE_32 \ 91 _IOWR('X', 104, struct compat_xfs_fsop_handlereq) 92#define XFS_IOC_PATH_TO_HANDLE_32 \ 93 _IOWR('X', 105, struct compat_xfs_fsop_handlereq) 94#define XFS_IOC_FD_TO_HANDLE_32 \ 95 _IOWR('X', 106, struct compat_xfs_fsop_handlereq) 96#define XFS_IOC_OPEN_BY_HANDLE_32 \ 97 _IOWR('X', 107, struct compat_xfs_fsop_handlereq) 98#define XFS_IOC_READLINK_BY_HANDLE_32 \ 99 _IOWR('X', 108, struct compat_xfs_fsop_handlereq) 100 101/* The bstat field in the swapext struct needs translation */ 102struct compat_xfs_swapext { 103 int64_t sx_version; /* version */ 104 int64_t sx_fdtarget; /* fd of target file */ 105 int64_t sx_fdtmp; /* fd of tmp file */ 106 xfs_off_t sx_offset; /* offset into file */ 107 xfs_off_t sx_length; /* leng from offset */ 108 char sx_pad[16]; /* pad space, unused */ 109 struct compat_xfs_bstat sx_stat; /* stat of target b4 copy */ 110} __compat_packed; 111 112#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext) 113 114typedef struct compat_xfs_fsop_attrlist_handlereq { 115 struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */ 116 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 117 __u32 flags; /* which namespace to use */ 118 __u32 buflen; /* length of buffer supplied */ 119 compat_uptr_t buffer; /* returned names */ 120} __compat_packed compat_xfs_fsop_attrlist_handlereq_t; 121 122/* Note: actually this is read/write */ 123#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \ 124 _IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq) 125 126/* am_opcodes defined in xfs_fs.h */ 127typedef struct compat_xfs_attr_multiop { 128 __u32 am_opcode; 129 __s32 am_error; 130 compat_uptr_t am_attrname; 131 compat_uptr_t am_attrvalue; 132 __u32 am_length; 133 __u32 am_flags; 134} compat_xfs_attr_multiop_t; 135 136typedef struct compat_xfs_fsop_attrmulti_handlereq { 137 struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */ 138 __u32 opcount;/* count of following multiop */ 139 /* ptr to compat_xfs_attr_multiop */ 140 compat_uptr_t ops; /* attr_multi data */ 141} compat_xfs_fsop_attrmulti_handlereq_t; 142 143#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \ 144 _IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq) 145 146#ifdef BROKEN_X86_ALIGNMENT 147/* on ia32 l_start is on a 32-bit boundary */ 148typedef struct compat_xfs_flock64 { 149 __s16 l_type; 150 __s16 l_whence; 151 __s64 l_start __attribute__((packed)); 152 /* len == 0 means until end of file */ 153 __s64 l_len __attribute__((packed)); 154 __s32 l_sysid; 155 __u32 l_pid; 156 __s32 l_pad[4]; /* reserve area */ 157} compat_xfs_flock64_t; 158 159#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64) 160#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64) 161#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64) 162#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64) 163#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64) 164#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64) 165#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64) 166#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64) 167#define XFS_IOC_ZERO_RANGE_32 _IOW('X', 57, struct compat_xfs_flock64) 168 169typedef struct compat_xfs_fsop_geom_v1 { 170 __u32 blocksize; /* filesystem (data) block size */ 171 __u32 rtextsize; /* realtime extent size */ 172 __u32 agblocks; /* fsblocks in an AG */ 173 __u32 agcount; /* number of allocation groups */ 174 __u32 logblocks; /* fsblocks in the log */ 175 __u32 sectsize; /* (data) sector size, bytes */ 176 __u32 inodesize; /* inode size in bytes */ 177 __u32 imaxpct; /* max allowed inode space(%) */ 178 __u64 datablocks; /* fsblocks in data subvolume */ 179 __u64 rtblocks; /* fsblocks in realtime subvol */ 180 __u64 rtextents; /* rt extents in realtime subvol*/ 181 __u64 logstart; /* starting fsblock of the log */ 182 unsigned char uuid[16]; /* unique id of the filesystem */ 183 __u32 sunit; /* stripe unit, fsblocks */ 184 __u32 swidth; /* stripe width, fsblocks */ 185 __s32 version; /* structure version */ 186 __u32 flags; /* superblock version flags */ 187 __u32 logsectsize; /* log sector size, bytes */ 188 __u32 rtsectsize; /* realtime sector size, bytes */ 189 __u32 dirblocksize; /* directory block size, bytes */ 190} __attribute__((packed)) compat_xfs_fsop_geom_v1_t; 191 192#define XFS_IOC_FSGEOMETRY_V1_32 \ 193 _IOR('X', 100, struct compat_xfs_fsop_geom_v1) 194 195struct compat_xfs_inogrp { 196 __u64 xi_startino; /* starting inode number */ 197 __s32 xi_alloccount; /* # bits set in allocmask */ 198 __u64 xi_allocmask; /* mask of allocated inodes */ 199} __attribute__((packed)); 200 201/* These growfs input structures have padding on the end, so must translate */ 202typedef struct compat_xfs_growfs_data { 203 __u64 newblocks; /* new data subvol size, fsblocks */ 204 __u32 imaxpct; /* new inode space percentage limit */ 205} __attribute__((packed)) compat_xfs_growfs_data_t; 206 207typedef struct compat_xfs_growfs_rt { 208 __u64 newblocks; /* new realtime size, fsblocks */ 209 __u32 extsize; /* new realtime extent size, fsblocks */ 210} __attribute__((packed)) compat_xfs_growfs_rt_t; 211 212#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data) 213#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt) 214 215#endif /* BROKEN_X86_ALIGNMENT */ 216 217#endif /* __XFS_IOCTL32_H__ */ 218