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xfs_ioctl32.h
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xfs_ioctl32.h
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2004-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_IOCTL32_H__
#define __XFS_IOCTL32_H__
#include <linux/compat.h>
/*
* on 32-bit arches, ioctl argument structures may have different sizes
* and/or alignment. We define compat structures which match the
* 32-bit sizes/alignments here, and their associated ioctl numbers.
*
* xfs_ioctl32.c contains routines to copy these structures in and out.
*/
/* stock kernel-level ioctls we support */
#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
/*
* On intel, even if sizes match, alignment and/or padding may differ.
*/
#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
#define BROKEN_X86_ALIGNMENT
#define __compat_packed __attribute__((packed))
#else
#define __compat_packed
#endif
typedef struct compat_xfs_bstime {
old_time32_t tv_sec; /* seconds */
__s32 tv_nsec; /* and nanoseconds */
} compat_xfs_bstime_t;
struct compat_xfs_bstat {
__u64 bs_ino; /* inode number */
__u16 bs_mode; /* type and mode */
__u16 bs_nlink; /* number of links */
__u32 bs_uid; /* user id */
__u32 bs_gid; /* group id */
__u32 bs_rdev; /* device value */
__s32 bs_blksize; /* block size */
__s64 bs_size; /* file size */
compat_xfs_bstime_t bs_atime; /* access time */
compat_xfs_bstime_t bs_mtime; /* modify time */
compat_xfs_bstime_t bs_ctime; /* inode change time */
int64_t bs_blocks; /* number of blocks */
__u32 bs_xflags; /* extended flags */
__s32 bs_extsize; /* extent size */
__s32 bs_extents; /* number of extents */
__u32 bs_gen; /* generation count */
__u16 bs_projid_lo; /* lower part of project id */
#define bs_projid bs_projid_lo /* (previously just bs_projid) */
__u16 bs_forkoff; /* inode fork offset in bytes */
__u16 bs_projid_hi; /* high part of project id */
unsigned char bs_pad[10]; /* pad space, unused */
__u32 bs_dmevmask; /* DMIG event mask */
__u16 bs_dmstate; /* DMIG state info */
__u16 bs_aextents; /* attribute number of extents */
} __compat_packed;
struct compat_xfs_fsop_bulkreq {
compat_uptr_t lastip; /* last inode # pointer */
__s32 icount; /* count of entries in buffer */
compat_uptr_t ubuffer; /* user buffer for inode desc. */
compat_uptr_t ocount; /* output count pointer */
};
#define XFS_IOC_FSBULKSTAT_32 \
_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
#define XFS_IOC_FSINUMBERS_32 \
_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
typedef struct compat_xfs_fsop_handlereq {
__u32 fd; /* fd for FD_TO_HANDLE */
compat_uptr_t path; /* user pathname */
__u32 oflags; /* open flags */
compat_uptr_t ihandle; /* user supplied handle */
__u32 ihandlen; /* user supplied length */
compat_uptr_t ohandle; /* user buffer for handle */
compat_uptr_t ohandlen; /* user buffer length */
} compat_xfs_fsop_handlereq_t;
#define XFS_IOC_PATH_TO_FSHANDLE_32 \
_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_PATH_TO_HANDLE_32 \
_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_FD_TO_HANDLE_32 \
_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_OPEN_BY_HANDLE_32 \
_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
#define XFS_IOC_READLINK_BY_HANDLE_32 \
_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
/* The bstat field in the swapext struct needs translation */
struct compat_xfs_swapext {
int64_t sx_version; /* version */
int64_t sx_fdtarget; /* fd of target file */
int64_t sx_fdtmp; /* fd of tmp file */
xfs_off_t sx_offset; /* offset into file */
xfs_off_t sx_length; /* leng from offset */
char sx_pad[16]; /* pad space, unused */
struct compat_xfs_bstat sx_stat; /* stat of target b4 copy */
} __compat_packed;
#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext)
typedef struct compat_xfs_fsop_attrlist_handlereq {
struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
__u32 flags; /* which namespace to use */
__u32 buflen; /* length of buffer supplied */
compat_uptr_t buffer; /* returned names */
} __compat_packed compat_xfs_fsop_attrlist_handlereq_t;
/* Note: actually this is read/write */
#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \
_IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq)
/* am_opcodes defined in xfs_fs.h */
typedef struct compat_xfs_attr_multiop {
__u32 am_opcode;
__s32 am_error;
compat_uptr_t am_attrname;
compat_uptr_t am_attrvalue;
__u32 am_length;
__u32 am_flags;
} compat_xfs_attr_multiop_t;
typedef struct compat_xfs_fsop_attrmulti_handlereq {
struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
__u32 opcount;/* count of following multiop */
/* ptr to compat_xfs_attr_multiop */
compat_uptr_t ops; /* attr_multi data */
} compat_xfs_fsop_attrmulti_handlereq_t;
#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
_IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
#ifdef BROKEN_X86_ALIGNMENT
typedef struct compat_xfs_fsop_geom_v1 {
__u32 blocksize; /* filesystem (data) block size */
__u32 rtextsize; /* realtime extent size */
__u32 agblocks; /* fsblocks in an AG */
__u32 agcount; /* number of allocation groups */
__u32 logblocks; /* fsblocks in the log */
__u32 sectsize; /* (data) sector size, bytes */
__u32 inodesize; /* inode size in bytes */
__u32 imaxpct; /* max allowed inode space(%) */
__u64 datablocks; /* fsblocks in data subvolume */
__u64 rtblocks; /* fsblocks in realtime subvol */
__u64 rtextents; /* rt extents in realtime subvol*/
__u64 logstart; /* starting fsblock of the log */
unsigned char uuid[16]; /* unique id of the filesystem */
__u32 sunit; /* stripe unit, fsblocks */
__u32 swidth; /* stripe width, fsblocks */
__s32 version; /* structure version */
__u32 flags; /* superblock version flags */
__u32 logsectsize; /* log sector size, bytes */
__u32 rtsectsize; /* realtime sector size, bytes */
__u32 dirblocksize; /* directory block size, bytes */
} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
#define XFS_IOC_FSGEOMETRY_V1_32 \
_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
struct compat_xfs_inogrp {
__u64 xi_startino; /* starting inode number */
__s32 xi_alloccount; /* # bits set in allocmask */
__u64 xi_allocmask; /* mask of allocated inodes */
} __attribute__((packed));
/* These growfs input structures have padding on the end, so must translate */
typedef struct compat_xfs_growfs_data {
__u64 newblocks; /* new data subvol size, fsblocks */
__u32 imaxpct; /* new inode space percentage limit */
} __attribute__((packed)) compat_xfs_growfs_data_t;
typedef struct compat_xfs_growfs_rt {
__u64 newblocks; /* new realtime size, fsblocks */
__u32 extsize; /* new realtime extent size, fsblocks */
} __attribute__((packed)) compat_xfs_growfs_rt_t;
#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)
#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt)
#endif /* BROKEN_X86_ALIGNMENT */
#endif /* __XFS_IOCTL32_H__ */