[linux-2.6-block.git] / fs / xfs / xfs_ioctl32.h

// 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_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_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 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__ */
Commit	Line	Data
0b61f8a4	1	// SPDX-License-Identifier: GPL-2.0
1da177e4	2	/*
7b718769 NS	3	* Copyright (c) 2004-2005 Silicon Graphics, Inc.
7b718769 NS	4	* All Rights Reserved.
1da177e4	5	*/
7b718769 NS	6	#ifndef __XFS_IOCTL32_H__
	7	#define __XFS_IOCTL32_H__
	8
ffae263a	9	#include <linux/compat.h>
ffae263a	10
ffae263a	11	/*
	12	* on 32-bit arches, ioctl argument structures may have different sizes
	13	* and/or alignment. We define compat structures which match the
	14	* 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_GETXFLAGS_32 FS_IOC32_GETFLAGS
	21	#define XFS_IOC_SETXFLAGS_32 FS_IOC32_SETFLAGS
	22	#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
	23
	24	/*
	25	* On intel, even if sizes match, alignment and/or padding may differ.
	26	*/
	27	#if defined(CONFIG_IA64) \|\| defined(CONFIG_X86_64)
	28	#define BROKEN_X86_ALIGNMENT
	29	#define __compat_packed __attribute__((packed))
	30	#else
	31	#define __compat_packed
	32	#endif
	33
	34	typedef struct compat_xfs_bstime {
	35	compat_time_t tv_sec; /* seconds */
	36	__s32 tv_nsec; /* and nanoseconds */
	37	} compat_xfs_bstime_t;
	38
	39	typedef struct compat_xfs_bstat {
	40	__u64 bs_ino; /* inode number */
	41	__u16 bs_mode; /* type and mode */
	42	__u16 bs_nlink; /* number of links */
	43	__u32 bs_uid; /* user id */
	44	__u32 bs_gid; /* group id */
	45	__u32 bs_rdev; /* device value */
	46	__s32 bs_blksize; /* block size */
	47	__s64 bs_size; /* file size */
	48	compat_xfs_bstime_t bs_atime; /* access time */
	49	compat_xfs_bstime_t bs_mtime; /* modify time */
	50	compat_xfs_bstime_t bs_ctime; /* inode change time */
	51	int64_t bs_blocks; /* number of blocks */
	52	__u32 bs_xflags; /* extended flags */
	53	__s32 bs_extsize; /* extent size */
	54	__s32 bs_extents; /* number of extents */
	55	__u32 bs_gen; /* generation count */
6743099c AM	56	__u16 bs_projid_lo; /* lower part of project id */
6743099c AM	57	#define bs_projid bs_projid_lo /* (previously just bs_projid) */
b1d6cc02	58	__u16 bs_forkoff; /* inode fork offset in bytes */
6743099c	59	__u16 bs_projid_hi; /* high part of project id */
b1d6cc02	60	unsigned char bs_pad[10]; /* pad space, unused */
ffae263a	61	__u32 bs_dmevmask; /* DMIG event mask */
	62	__u16 bs_dmstate; /* DMIG state info */
	63	__u16 bs_aextents; /* attribute number of extents */
	64	} __compat_packed compat_xfs_bstat_t;
	65
	66	typedef struct compat_xfs_fsop_bulkreq {
	67	compat_uptr_t lastip; /* last inode # pointer */
	68	__s32 icount; /* count of entries in buffer */
	69	compat_uptr_t ubuffer; /* user buffer for inode desc. */
	70	compat_uptr_t ocount; /* output count pointer */
	71	} compat_xfs_fsop_bulkreq_t;
	72
	73	#define XFS_IOC_FSBULKSTAT_32 \
	74	_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
	75	#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
	76	_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
	77	#define XFS_IOC_FSINUMBERS_32 \
	78	_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
	79
	80	typedef struct compat_xfs_fsop_handlereq {
	81	__u32 fd; /* fd for FD_TO_HANDLE */
	82	compat_uptr_t path; /* user pathname */
	83	__u32 oflags; /* open flags */
	84	compat_uptr_t ihandle; /* user supplied handle */
	85	__u32 ihandlen; /* user supplied length */
	86	compat_uptr_t ohandle; /* user buffer for handle */
	87	compat_uptr_t ohandlen; /* user buffer length */
	88	} compat_xfs_fsop_handlereq_t;
	89
	90	#define XFS_IOC_PATH_TO_FSHANDLE_32 \
	91	_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
	92	#define XFS_IOC_PATH_TO_HANDLE_32 \
	93	_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
	94	#define XFS_IOC_FD_TO_HANDLE_32 \
	95	_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
	96	#define XFS_IOC_OPEN_BY_HANDLE_32 \
	97	_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
	98	#define XFS_IOC_READLINK_BY_HANDLE_32 \
	99	_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
	100
e94fc4a4	101	/* The bstat field in the swapext struct needs translation */
e94fc4a4	102	typedef struct compat_xfs_swapext {
c8ce540d DW	103	int64_t sx_version; /* version */
	104	int64_t sx_fdtarget; /* fd of target file */
	105	int64_t sx_fdtmp; /* fd of tmp file */
e94fc4a4	106	xfs_off_t sx_offset; /* offset into file */
	107	xfs_off_t sx_length; /* leng from offset */
	108	char sx_pad[16]; /* pad space, unused */
	109	compat_xfs_bstat_t sx_stat; /* stat of target b4 copy */
	110	} __compat_packed compat_xfs_swapext_t;
	111
	112	#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext)
	113
ebeecd2b	114	typedef struct compat_xfs_fsop_attrlist_handlereq {
	115	struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
	116	struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
	117	__u32 flags; /* which namespace to use */
	118	__u32 buflen; /* length of buffer supplied */
	119	compat_uptr_t buffer; /* returned names */
	120	} __compat_packed compat_xfs_fsop_attrlist_handlereq_t;
	121
	122	/* Note: actually this is read/write */
	123	#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \
	124	_IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq)
	125
28750975	126	/* am_opcodes defined in xfs_fs.h */
	127	typedef struct compat_xfs_attr_multiop {
	128	__u32 am_opcode;
	129	__s32 am_error;
	130	compat_uptr_t am_attrname;
	131	compat_uptr_t am_attrvalue;
	132	__u32 am_length;
	133	__u32 am_flags;
	134	} compat_xfs_attr_multiop_t;
	135
	136	typedef struct compat_xfs_fsop_attrmulti_handlereq {
	137	struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
	138	__u32 opcount;/* count of following multiop */
	139	/* ptr to compat_xfs_attr_multiop */
	140	compat_uptr_t ops; /* attr_multi data */
	141	} compat_xfs_fsop_attrmulti_handlereq_t;
	142
	143	#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
	144	_IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
	145
710d62aa	146	typedef struct compat_xfs_fsop_setdm_handlereq {
	147	struct compat_xfs_fsop_handlereq hreq; /* handle information */
	148	/* ptr to struct fsdmidata */
	149	compat_uptr_t data; /* DMAPI data */
	150	} compat_xfs_fsop_setdm_handlereq_t;
	151
	152	#define XFS_IOC_FSSETDM_BY_HANDLE_32 \
	153	_IOW('X', 121, struct compat_xfs_fsop_setdm_handlereq)
	154
ffae263a	155	#ifdef BROKEN_X86_ALIGNMENT
	156	/* on ia32 l_start is on a 32-bit boundary */
	157	typedef struct compat_xfs_flock64 {
	158	__s16 l_type;
	159	__s16 l_whence;
	160	__s64 l_start __attribute__((packed));
	161	/* len == 0 means until end of file */
	162	__s64 l_len __attribute__((packed));
	163	__s32 l_sysid;
	164	__u32 l_pid;
	165	__s32 l_pad[4]; /* reserve area */
	166	} compat_xfs_flock64_t;
	167
	168	#define XFS_IOC_ALLOCSP_32 _IOW('X', 10, struct compat_xfs_flock64)
	169	#define XFS_IOC_FREESP_32 _IOW('X', 11, struct compat_xfs_flock64)
	170	#define XFS_IOC_ALLOCSP64_32 _IOW('X', 36, struct compat_xfs_flock64)
	171	#define XFS_IOC_FREESP64_32 _IOW('X', 37, struct compat_xfs_flock64)
	172	#define XFS_IOC_RESVSP_32 _IOW('X', 40, struct compat_xfs_flock64)
	173	#define XFS_IOC_UNRESVSP_32 _IOW('X', 41, struct compat_xfs_flock64)
	174	#define XFS_IOC_RESVSP64_32 _IOW('X', 42, struct compat_xfs_flock64)
	175	#define XFS_IOC_UNRESVSP64_32 _IOW('X', 43, struct compat_xfs_flock64)
8c1fdd0b	176	#define XFS_IOC_ZERO_RANGE_32 _IOW('X', 57, struct compat_xfs_flock64)
ffae263a	177
	178	typedef struct compat_xfs_fsop_geom_v1 {
	179	__u32 blocksize; /* filesystem (data) block size */
	180	__u32 rtextsize; /* realtime extent size */
	181	__u32 agblocks; /* fsblocks in an AG */
	182	__u32 agcount; /* number of allocation groups */
	183	__u32 logblocks; /* fsblocks in the log */
	184	__u32 sectsize; /* (data) sector size, bytes */
	185	__u32 inodesize; /* inode size in bytes */
	186	__u32 imaxpct; /* max allowed inode space(%) */
	187	__u64 datablocks; /* fsblocks in data subvolume */
	188	__u64 rtblocks; /* fsblocks in realtime subvol */
	189	__u64 rtextents; /* rt extents in realtime subvol*/
	190	__u64 logstart; /* starting fsblock of the log */
	191	unsigned char uuid[16]; /* unique id of the filesystem */
	192	__u32 sunit; /* stripe unit, fsblocks */
	193	__u32 swidth; /* stripe width, fsblocks */
	194	__s32 version; /* structure version */
	195	__u32 flags; /* superblock version flags */
	196	__u32 logsectsize; /* log sector size, bytes */
	197	__u32 rtsectsize; /* realtime sector size, bytes */
	198	__u32 dirblocksize; /* directory block size, bytes */
	199	} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
	200
	201	#define XFS_IOC_FSGEOMETRY_V1_32 \
	202	_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
	203
	204	typedef struct compat_xfs_inogrp {
	205	__u64 xi_startino; /* starting inode number */
	206	__s32 xi_alloccount; /* # bits set in allocmask */
	207	__u64 xi_allocmask; /* mask of allocated inodes */
	208	} __attribute__((packed)) compat_xfs_inogrp_t;
	209
471d5910	210	/* These growfs input structures have padding on the end, so must translate */
	211	typedef struct compat_xfs_growfs_data {
	212	__u64 newblocks; /* new data subvol size, fsblocks */
	213	__u32 imaxpct; /* new inode space percentage limit */
	214	} __attribute__((packed)) compat_xfs_growfs_data_t;
	215
	216	typedef struct compat_xfs_growfs_rt {
	217	__u64 newblocks; /* new realtime size, fsblocks */
	218	__u32 extsize; /* new realtime extent size, fsblocks */
	219	} __attribute__((packed)) compat_xfs_growfs_rt_t;
	220
	221	#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)
	222	#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt)
	223
ffae263a	224	#endif /* BROKEN_X86_ALIGNMENT */
ffae263a	225
7b718769	226	#endif /* __XFS_IOCTL32_H__ */