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_IA64) || 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 /* on ia32 l_start is on a 32-bit boundary */ 146 typedef struct compat_xfs_flock64 { 147 __s16 l_type; 148 __s16 l_whence; 149 __s64 l_start __attribute__((packed)); 150 /* len == 0 means until end of file */ 151 __s64 l_len __attribute__((packed)); 152 __s32 l_sysid; 153 __u32 l_pid; 154 __s32 l_pad[4]; /* reserve area */ 155 } compat_xfs_flock64_t; 156 157 #define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64) 158 #define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64) 159 #define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64) 160 #define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64) 161 #define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64) 162 #define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64) 163 #define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64) 164 #define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64) 165 #define XFS_IOC_ZERO_RANGE_32 _IOW('X', 57, struct compat_xfs_flock64) 166 167 typedef struct compat_xfs_fsop_geom_v1 { 168 __u32 blocksize; /* filesystem (data) block size */ 169 __u32 rtextsize; /* realtime extent size */ 170 __u32 agblocks; /* fsblocks in an AG */ 171 __u32 agcount; /* number of allocation groups */ 172 __u32 logblocks; /* fsblocks in the log */ 173 __u32 sectsize; /* (data) sector size, bytes */ 174 __u32 inodesize; /* inode size in bytes */ 175 __u32 imaxpct; /* max allowed inode space(%) */ 176 __u64 datablocks; /* fsblocks in data subvolume */ 177 __u64 rtblocks; /* fsblocks in realtime subvol */ 178 __u64 rtextents; /* rt extents in realtime subvol*/ 179 __u64 logstart; /* starting fsblock of the log */ 180 unsigned char uuid[16]; /* unique id of the filesystem */ 181 __u32 sunit; /* stripe unit, fsblocks */ 182 __u32 swidth; /* stripe width, fsblocks */ 183 __s32 version; /* structure version */ 184 __u32 flags; /* superblock version flags */ 185 __u32 logsectsize; /* log sector size, bytes */ 186 __u32 rtsectsize; /* realtime sector size, bytes */ 187 __u32 dirblocksize; /* directory block size, bytes */ 188 } __attribute__((packed)) compat_xfs_fsop_geom_v1_t; 189 190 #define XFS_IOC_FSGEOMETRY_V1_32 \ 191 _IOR('X', 100, struct compat_xfs_fsop_geom_v1) 192 193 struct compat_xfs_inogrp { 194 __u64 xi_startino; /* starting inode number */ 195 __s32 xi_alloccount; /* # bits set in allocmask */ 196 __u64 xi_allocmask; /* mask of allocated inodes */ 197 } __attribute__((packed)); 198 199 /* These growfs input structures have padding on the end, so must translate */ 200 typedef struct compat_xfs_growfs_data { 201 __u64 newblocks; /* new data subvol size, fsblocks */ 202 __u32 imaxpct; /* new inode space percentage limit */ 203 } __attribute__((packed)) compat_xfs_growfs_data_t; 204 205 typedef struct compat_xfs_growfs_rt { 206 __u64 newblocks; /* new realtime size, fsblocks */ 207 __u32 extsize; /* new realtime extent size, fsblocks */ 208 } __attribute__((packed)) compat_xfs_growfs_rt_t; 209 210 #define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data) 211 #define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt) 212 213 #endif /* BROKEN_X86_ALIGNMENT */ 214 215 #endif /* __XFS_IOCTL32_H__ */ 216