diff options
Diffstat (limited to 'fs/xfs/xfs_ioctl32.h')
| -rw-r--r-- | fs/xfs/xfs_ioctl32.h | 237 | 
1 files changed, 237 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ioctl32.h b/fs/xfs/xfs_ioctl32.h new file mode 100644 index 00000000000..80f4060e897 --- /dev/null +++ b/fs/xfs/xfs_ioctl32.h @@ -0,0 +1,237 @@ +/* + * Copyright (c) 2004-2005 Silicon Graphics, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA + */ +#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_GETXFLAGS_32	FS_IOC32_GETFLAGS +#define XFS_IOC_SETXFLAGS_32	FS_IOC32_SETFLAGS +#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 { +	compat_time_t	tv_sec;		/* seconds		*/ +	__s32		tv_nsec;	/* and nanoseconds	*/ +} compat_xfs_bstime_t; + +typedef 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_projid_hi;	/* high part of project id	*/ +	unsigned char	bs_pad[12];	/* pad space, unused		*/ +	__u32		bs_dmevmask;	/* DMIG event mask		*/ +	__u16		bs_dmstate;	/* DMIG state info		*/ +	__u16		bs_aextents;	/* attribute number of extents	*/ +} __compat_packed compat_xfs_bstat_t; + +typedef 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		*/ +} compat_xfs_fsop_bulkreq_t; + +#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 */ +typedef 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 */ +	compat_xfs_bstat_t	sx_stat;	/* stat of target b4 copy */ +} __compat_packed compat_xfs_swapext_t; + +#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) + +typedef struct compat_xfs_fsop_setdm_handlereq { +	struct compat_xfs_fsop_handlereq hreq;	/* handle information   */ +	/* ptr to struct fsdmidata */ +	compat_uptr_t			data;	/* DMAPI data   */ +} compat_xfs_fsop_setdm_handlereq_t; + +#define XFS_IOC_FSSETDM_BY_HANDLE_32 \ +	_IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq) + +#ifdef BROKEN_X86_ALIGNMENT +/* on ia32 l_start is on a 32-bit boundary */ +typedef struct compat_xfs_flock64 { +	__s16		l_type; +	__s16		l_whence; +	__s64		l_start	__attribute__((packed)); +			/* len == 0 means until end of file */ +	__s64		l_len __attribute__((packed)); +	__s32		l_sysid; +	__u32		l_pid; +	__s32		l_pad[4];	/* reserve area */ +} compat_xfs_flock64_t; + +#define XFS_IOC_ALLOCSP_32	_IOW('X', 10, struct compat_xfs_flock64) +#define XFS_IOC_FREESP_32	_IOW('X', 11, struct compat_xfs_flock64) +#define XFS_IOC_ALLOCSP64_32	_IOW('X', 36, struct compat_xfs_flock64) +#define XFS_IOC_FREESP64_32	_IOW('X', 37, struct compat_xfs_flock64) +#define XFS_IOC_RESVSP_32	_IOW('X', 40, struct compat_xfs_flock64) +#define XFS_IOC_UNRESVSP_32	_IOW('X', 41, struct compat_xfs_flock64) +#define XFS_IOC_RESVSP64_32	_IOW('X', 42, struct compat_xfs_flock64) +#define XFS_IOC_UNRESVSP64_32	_IOW('X', 43, struct compat_xfs_flock64) +#define XFS_IOC_ZERO_RANGE_32	_IOW('X', 57, struct compat_xfs_flock64) + +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) + +typedef 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)) compat_xfs_inogrp_t; + +/* 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__ */  | 
