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1// SPDX-License-Identifier: GPL-2.02/*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 sizes13 * and/or alignment. We define compat structures which match the14 * 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_GETVERSION21 22/*23 * On intel, even if sizes match, alignment and/or padding may differ.24 */25#if defined(CONFIG_X86_64)26#define BROKEN_X86_ALIGNMENT27#define __compat_packed __attribute__((packed))28#else29#define __compat_packed30#endif31 32typedef struct compat_xfs_bstime {33 old_time32_t tv_sec; /* seconds */34 __s32 tv_nsec; /* and nanoseconds */35} compat_xfs_bstime_t;36 37struct 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 64struct 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 78typedef 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 */100struct 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 112typedef 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 */125typedef 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 134typedef 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_ALIGNMENT145typedef struct compat_xfs_fsop_geom_v1 {146 __u32 blocksize; /* filesystem (data) block size */147 __u32 rtextsize; /* realtime extent size */148 __u32 agblocks; /* fsblocks in an AG */149 __u32 agcount; /* number of allocation groups */150 __u32 logblocks; /* fsblocks in the log */151 __u32 sectsize; /* (data) sector size, bytes */152 __u32 inodesize; /* inode size in bytes */153 __u32 imaxpct; /* max allowed inode space(%) */154 __u64 datablocks; /* fsblocks in data subvolume */155 __u64 rtblocks; /* fsblocks in realtime subvol */156 __u64 rtextents; /* rt extents in realtime subvol*/157 __u64 logstart; /* starting fsblock of the log */158 unsigned char uuid[16]; /* unique id of the filesystem */159 __u32 sunit; /* stripe unit, fsblocks */160 __u32 swidth; /* stripe width, fsblocks */161 __s32 version; /* structure version */162 __u32 flags; /* superblock version flags */163 __u32 logsectsize; /* log sector size, bytes */164 __u32 rtsectsize; /* realtime sector size, bytes */165 __u32 dirblocksize; /* directory block size, bytes */166} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;167 168#define XFS_IOC_FSGEOMETRY_V1_32 \169 _IOR('X', 100, struct compat_xfs_fsop_geom_v1)170 171struct compat_xfs_inogrp {172 __u64 xi_startino; /* starting inode number */173 __s32 xi_alloccount; /* # bits set in allocmask */174 __u64 xi_allocmask; /* mask of allocated inodes */175} __attribute__((packed));176 177/* These growfs input structures have padding on the end, so must translate */178typedef struct compat_xfs_growfs_data {179 __u64 newblocks; /* new data subvol size, fsblocks */180 __u32 imaxpct; /* new inode space percentage limit */181} __attribute__((packed)) compat_xfs_growfs_data_t;182 183typedef struct compat_xfs_growfs_rt {184 __u64 newblocks; /* new realtime size, fsblocks */185 __u32 extsize; /* new realtime extent size, fsblocks */186} __attribute__((packed)) compat_xfs_growfs_rt_t;187 188#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)189#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt)190 191#endif /* BROKEN_X86_ALIGNMENT */192 193#endif /* __XFS_IOCTL32_H__ */194