[mirror_ubuntu-zesty-kernel.git] / fs / xfs / linux-2.6 / xfs_ioctl32.h

/*
 * 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>

extern long xfs_file_compat_ioctl(struct file *, unsigned, unsigned long);
extern long xfs_file_compat_invis_ioctl(struct file *, unsigned, unsigned long);

/*
 * 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;	/* project id			*/
	unsigned char	bs_pad[14];	/* 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)

#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)

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;

#endif /* BROKEN_X86_ALIGNMENT */

#endif /* __XFS_IOCTL32_H__ */
Commit	Line	Data
1da177e4	1	/*
7b718769 NS	2	* Copyright (c) 2004-2005 Silicon Graphics, Inc.
7b718769 NS	3	* All Rights Reserved.
1da177e4	4	*
7b718769 NS	5	* This program is free software; you can redistribute it and/or
7b718769 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7b718769 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
1da177e4	13	*
7b718769 NS	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4	17	*/
7b718769 NS	18	#ifndef __XFS_IOCTL32_H__
	19	#define __XFS_IOCTL32_H__
	20
ffae263a	21	#include <linux/compat.h>
ffae263a	22
a50cd269	23	extern long xfs_file_compat_ioctl(struct file *, unsigned, unsigned long);
6cc8fef4	24	extern long xfs_file_compat_invis_ioctl(struct file *, unsigned, unsigned long);
1da177e4	25
ffae263a	26	/*
	27	* on 32-bit arches, ioctl argument structures may have different sizes
	28	* and/or alignment. We define compat structures which match the
	29	* 32-bit sizes/alignments here, and their associated ioctl numbers.
	30	*
	31	* xfs_ioctl32.c contains routines to copy these structures in and out.
	32	*/
	33
	34	/* stock kernel-level ioctls we support */
	35	#define XFS_IOC_GETXFLAGS_32 FS_IOC32_GETFLAGS
	36	#define XFS_IOC_SETXFLAGS_32 FS_IOC32_SETFLAGS
	37	#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
	38
	39	/*
	40	* On intel, even if sizes match, alignment and/or padding may differ.
	41	*/
	42	#if defined(CONFIG_IA64) \|\| defined(CONFIG_X86_64)
	43	#define BROKEN_X86_ALIGNMENT
	44	#define __compat_packed __attribute__((packed))
	45	#else
	46	#define __compat_packed
	47	#endif
	48
	49	typedef struct compat_xfs_bstime {
	50	compat_time_t tv_sec; /* seconds */
	51	__s32 tv_nsec; /* and nanoseconds */
	52	} compat_xfs_bstime_t;
	53
	54	typedef struct compat_xfs_bstat {
	55	__u64 bs_ino; /* inode number */
	56	__u16 bs_mode; /* type and mode */
	57	__u16 bs_nlink; /* number of links */
	58	__u32 bs_uid; /* user id */
	59	__u32 bs_gid; /* group id */
	60	__u32 bs_rdev; /* device value */
	61	__s32 bs_blksize; /* block size */
	62	__s64 bs_size; /* file size */
	63	compat_xfs_bstime_t bs_atime; /* access time */
	64	compat_xfs_bstime_t bs_mtime; /* modify time */
	65	compat_xfs_bstime_t bs_ctime; /* inode change time */
	66	int64_t bs_blocks; /* number of blocks */
	67	__u32 bs_xflags; /* extended flags */
	68	__s32 bs_extsize; /* extent size */
	69	__s32 bs_extents; /* number of extents */
	70	__u32 bs_gen; /* generation count */
	71	__u16 bs_projid; /* project id */
	72	unsigned char bs_pad[14]; /* pad space, unused */
	73	__u32 bs_dmevmask; /* DMIG event mask */
	74	__u16 bs_dmstate; /* DMIG state info */
	75	__u16 bs_aextents; /* attribute number of extents */
	76	} __compat_packed compat_xfs_bstat_t;
	77
	78	typedef struct compat_xfs_fsop_bulkreq {
	79	compat_uptr_t lastip; /* last inode # pointer */
	80	__s32 icount; /* count of entries in buffer */
	81	compat_uptr_t ubuffer; /* user buffer for inode desc. */
	82	compat_uptr_t ocount; /* output count pointer */
	83	} compat_xfs_fsop_bulkreq_t;
	84
	85	#define XFS_IOC_FSBULKSTAT_32 \
	86	_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
	87	#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
	88	_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
	89	#define XFS_IOC_FSINUMBERS_32 \
90	_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
91
92	typedef struct compat_xfs_fsop_handlereq {
93	__u32 fd; /* fd for FD_TO_HANDLE */
94	compat_uptr_t path; /* user pathname */
95	__u32 oflags; /* open flags */
96	compat_uptr_t ihandle; /* user supplied handle */
97	__u32 ihandlen; /* user supplied length */
98	compat_uptr_t ohandle; /* user buffer for handle */
99	compat_uptr_t ohandlen; /* user buffer length */
100	} compat_xfs_fsop_handlereq_t;
101
102	#define XFS_IOC_PATH_TO_FSHANDLE_32 \
103	_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
104	#define XFS_IOC_PATH_TO_HANDLE_32 \
105	_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
106	#define XFS_IOC_FD_TO_HANDLE_32 \
107	_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
108	#define XFS_IOC_OPEN_BY_HANDLE_32 \
109	_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
110	#define XFS_IOC_READLINK_BY_HANDLE_32 \
111	_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
112
113	#ifdef BROKEN_X86_ALIGNMENT
114	/* on ia32 l_start is on a 32-bit boundary */
115	typedef struct compat_xfs_flock64 {
116	__s16 l_type;
117	__s16 l_whence;
118	__s64 l_start __attribute__((packed));
119	/* len == 0 means until end of file */
120	__s64 l_len __attribute__((packed));
121	__s32 l_sysid;
122	__u32 l_pid;
123	__s32 l_pad[4]; /* reserve area */
124	} compat_xfs_flock64_t;
125
126	#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64)
127	#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64)
128	#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64)
129	#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64)
130	#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64)
131	#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64)
132	#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64)
133	#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64)
134
135	typedef struct compat_xfs_fsop_geom_v1 {
136	__u32 blocksize; /* filesystem (data) block size */
137	__u32 rtextsize; /* realtime extent size */
138	__u32 agblocks; /* fsblocks in an AG */
139	__u32 agcount; /* number of allocation groups */
140	__u32 logblocks; /* fsblocks in the log */
141	__u32 sectsize; /* (data) sector size, bytes */
142	__u32 inodesize; /* inode size in bytes */
143	__u32 imaxpct; /* max allowed inode space(%) */
144	__u64 datablocks; /* fsblocks in data subvolume */
145	__u64 rtblocks; /* fsblocks in realtime subvol */
146	__u64 rtextents; /* rt extents in realtime subvol*/
147	__u64 logstart; /* starting fsblock of the log */
148	unsigned char uuid[16]; /* unique id of the filesystem */
149	__u32 sunit; /* stripe unit, fsblocks */
150	__u32 swidth; /* stripe width, fsblocks */
151	__s32 version; /* structure version */
152	__u32 flags; /* superblock version flags */
153	__u32 logsectsize; /* log sector size, bytes */
154	__u32 rtsectsize; /* realtime sector size, bytes */
155	__u32 dirblocksize; /* directory block size, bytes */
156	} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
157
158	#define XFS_IOC_FSGEOMETRY_V1_32 \
159	_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
160
161	typedef struct compat_xfs_inogrp {
162	__u64 xi_startino; /* starting inode number */
163	__s32 xi_alloccount; /* # bits set in allocmask */
164	__u64 xi_allocmask; /* mask of allocated inodes */
165	} __attribute__((packed)) compat_xfs_inogrp_t;
166
167	#endif /* BROKEN_X86_ALIGNMENT */
168
7b718769	169	#endif /* __XFS_IOCTL32_H__ */