[linux.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_GETVERSION_32	FS_IOC32_GETVERSION

/*
 * On intel, even if sizes match, alignment and/or padding may differ.
 */
#if 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__ */
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 */
ffae263a	20	#define XFS_IOC_GETVERSION_32 FS_IOC32_GETVERSION
	21
	22	/*
	23	* On intel, even if sizes match, alignment and/or padding may differ.
	24	*/
cf8e8658	25	#if defined(CONFIG_X86_64)
ffae263a	26	#define BROKEN_X86_ALIGNMENT
	27	#define __compat_packed __attribute__((packed))
	28	#else
	29	#define __compat_packed
	30	#endif
	31
	32	typedef struct compat_xfs_bstime {
3b62f000	33	old_time32_t tv_sec; /* seconds */
ffae263a	34	__s32 tv_nsec; /* and nanoseconds */
	35	} compat_xfs_bstime_t;
	36
6f71fb68	37	struct compat_xfs_bstat {
ffae263a	38	__u64 bs_ino; /* inode number */
	39	__u16 bs_mode; /* type and mode */
	40	__u16 bs_nlink; /* number of links */
	41	__u32 bs_uid; /* user id */
	42	__u32 bs_gid; /* group id */
	43	__u32 bs_rdev; /* device value */
	44	__s32 bs_blksize; /* block size */
	45	__s64 bs_size; /* file size */
	46	compat_xfs_bstime_t bs_atime; /* access time */
	47	compat_xfs_bstime_t bs_mtime; /* modify time */
	48	compat_xfs_bstime_t bs_ctime; /* inode change time */
	49	int64_t bs_blocks; /* number of blocks */
	50	__u32 bs_xflags; /* extended flags */
	51	__s32 bs_extsize; /* extent size */
	52	__s32 bs_extents; /* number of extents */
	53	__u32 bs_gen; /* generation count */
6743099c AM	54	__u16 bs_projid_lo; /* lower part of project id */
6743099c AM	55	#define bs_projid bs_projid_lo /* (previously just bs_projid) */
b1d6cc02	56	__u16 bs_forkoff; /* inode fork offset in bytes */
6743099c	57	__u16 bs_projid_hi; /* high part of project id */
b1d6cc02	58	unsigned char bs_pad[10]; /* pad space, unused */
ffae263a	59	__u32 bs_dmevmask; /* DMIG event mask */
	60	__u16 bs_dmstate; /* DMIG state info */
	61	__u16 bs_aextents; /* attribute number of extents */
6f71fb68	62	} __compat_packed;
ffae263a	63
6f71fb68	64	struct compat_xfs_fsop_bulkreq {
ffae263a	65	compat_uptr_t lastip; /* last inode # pointer */
	66	__s32 icount; /* count of entries in buffer */
	67	compat_uptr_t ubuffer; /* user buffer for inode desc. */
	68	compat_uptr_t ocount; /* output count pointer */
6f71fb68	69	};
ffae263a	70
	71	#define XFS_IOC_FSBULKSTAT_32 \
	72	_IOWR('X', 101, struct compat_xfs_fsop_bulkreq)
	73	#define XFS_IOC_FSBULKSTAT_SINGLE_32 \
	74	_IOWR('X', 102, struct compat_xfs_fsop_bulkreq)
	75	#define XFS_IOC_FSINUMBERS_32 \
	76	_IOWR('X', 103, struct compat_xfs_fsop_bulkreq)
	77
	78	typedef struct compat_xfs_fsop_handlereq {
	79	__u32 fd; /* fd for FD_TO_HANDLE */
	80	compat_uptr_t path; /* user pathname */
	81	__u32 oflags; /* open flags */
	82	compat_uptr_t ihandle; /* user supplied handle */
	83	__u32 ihandlen; /* user supplied length */
	84	compat_uptr_t ohandle; /* user buffer for handle */
	85	compat_uptr_t ohandlen; /* user buffer length */
	86	} compat_xfs_fsop_handlereq_t;
	87
	88	#define XFS_IOC_PATH_TO_FSHANDLE_32 \
	89	_IOWR('X', 104, struct compat_xfs_fsop_handlereq)
	90	#define XFS_IOC_PATH_TO_HANDLE_32 \
	91	_IOWR('X', 105, struct compat_xfs_fsop_handlereq)
	92	#define XFS_IOC_FD_TO_HANDLE_32 \
	93	_IOWR('X', 106, struct compat_xfs_fsop_handlereq)
	94	#define XFS_IOC_OPEN_BY_HANDLE_32 \
	95	_IOWR('X', 107, struct compat_xfs_fsop_handlereq)
	96	#define XFS_IOC_READLINK_BY_HANDLE_32 \
	97	_IOWR('X', 108, struct compat_xfs_fsop_handlereq)
	98
e94fc4a4	99	/* The bstat field in the swapext struct needs translation */
35dab307	100	struct compat_xfs_swapext {
c8ce540d DW	101	int64_t sx_version; /* version */
	102	int64_t sx_fdtarget; /* fd of target file */
	103	int64_t sx_fdtmp; /* fd of tmp file */
e94fc4a4	104	xfs_off_t sx_offset; /* offset into file */
	105	xfs_off_t sx_length; /* leng from offset */
	106	char sx_pad[16]; /* pad space, unused */
6f71fb68	107	struct compat_xfs_bstat sx_stat; /* stat of target b4 copy */
35dab307	108	} __compat_packed;
e94fc4a4	109
	110	#define XFS_IOC_SWAPEXT_32 _IOWR('X', 109, struct compat_xfs_swapext)
	111
ebeecd2b	112	typedef struct compat_xfs_fsop_attrlist_handlereq {
	113	struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
	114	struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
	115	__u32 flags; /* which namespace to use */
	116	__u32 buflen; /* length of buffer supplied */
	117	compat_uptr_t buffer; /* returned names */
	118	} __compat_packed compat_xfs_fsop_attrlist_handlereq_t;
	119
	120	/* Note: actually this is read/write */
	121	#define XFS_IOC_ATTRLIST_BY_HANDLE_32 \
	122	_IOW('X', 122, struct compat_xfs_fsop_attrlist_handlereq)
	123
28750975	124	/* am_opcodes defined in xfs_fs.h */
	125	typedef struct compat_xfs_attr_multiop {
	126	__u32 am_opcode;
	127	__s32 am_error;
	128	compat_uptr_t am_attrname;
	129	compat_uptr_t am_attrvalue;
	130	__u32 am_length;
	131	__u32 am_flags;
	132	} compat_xfs_attr_multiop_t;
	133
	134	typedef struct compat_xfs_fsop_attrmulti_handlereq {
	135	struct compat_xfs_fsop_handlereq hreq; /* handle interface structure */
	136	__u32 opcount;/* count of following multiop */
	137	/* ptr to compat_xfs_attr_multiop */
	138	compat_uptr_t ops; /* attr_multi data */
	139	} compat_xfs_fsop_attrmulti_handlereq_t;
	140
	141	#define XFS_IOC_ATTRMULTI_BY_HANDLE_32 \
	142	_IOW('X', 123, struct compat_xfs_fsop_attrmulti_handlereq)
	143
ffae263a	144	#ifdef BROKEN_X86_ALIGNMENT
ffae263a	145	typedef struct compat_xfs_fsop_geom_v1 {
	146	__u32 blocksize; /* filesystem (data) block size */
	147	__u32 rtextsize; /* realtime extent size */
	148	__u32 agblocks; /* fsblocks in an AG */
	149	__u32 agcount; /* number of allocation groups */
	150	__u32 logblocks; /* fsblocks in the log */
	151	__u32 sectsize; /* (data) sector size, bytes */
	152	__u32 inodesize; /* inode size in bytes */
	153	__u32 imaxpct; /* max allowed inode space(%) */
	154	__u64 datablocks; /* fsblocks in data subvolume */
	155	__u64 rtblocks; /* fsblocks in realtime subvol */
	156	__u64 rtextents; /* rt extents in realtime subvol*/
	157	__u64 logstart; /* starting fsblock of the log */
	158	unsigned char uuid[16]; /* unique id of the filesystem */
	159	__u32 sunit; /* stripe unit, fsblocks */
	160	__u32 swidth; /* stripe width, fsblocks */
	161	__s32 version; /* structure version */
	162	__u32 flags; /* superblock version flags */
	163	__u32 logsectsize; /* log sector size, bytes */
	164	__u32 rtsectsize; /* realtime sector size, bytes */
	165	__u32 dirblocksize; /* directory block size, bytes */
	166	} __attribute__((packed)) compat_xfs_fsop_geom_v1_t;
	167
	168	#define XFS_IOC_FSGEOMETRY_V1_32 \
	169	_IOR('X', 100, struct compat_xfs_fsop_geom_v1)
	170
6f71fb68	171	struct compat_xfs_inogrp {
ffae263a	172	__u64 xi_startino; /* starting inode number */
	173	__s32 xi_alloccount; /* # bits set in allocmask */
	174	__u64 xi_allocmask; /* mask of allocated inodes */
6f71fb68	175	} __attribute__((packed));
ffae263a	176
471d5910	177	/* These growfs input structures have padding on the end, so must translate */
	178	typedef struct compat_xfs_growfs_data {
	179	__u64 newblocks; /* new data subvol size, fsblocks */
	180	__u32 imaxpct; /* new inode space percentage limit */
	181	} __attribute__((packed)) compat_xfs_growfs_data_t;
	182
	183	typedef struct compat_xfs_growfs_rt {
	184	__u64 newblocks; /* new realtime size, fsblocks */
	185	__u32 extsize; /* new realtime extent size, fsblocks */
	186	} __attribute__((packed)) compat_xfs_growfs_rt_t;
	187
	188	#define XFS_IOC_FSGROWFSDATA_32 _IOW('X', 110, struct compat_xfs_growfs_data)
	189	#define XFS_IOC_FSGROWFSRT_32 _IOW('X', 112, struct compat_xfs_growfs_rt)
	190
ffae263a	191	#endif /* BROKEN_X86_ALIGNMENT */
ffae263a	192
7b718769	193	#endif /* __XFS_IOCTL32_H__ */