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