/*	$OpenBSD: disklabel.h,v 1.13 1999/12/04 03:35:57 deraadt Exp $	*//* * Copyright (c) 1994 Christopher G. Demetriou * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *      This product includes software developed by Christopher G. Demetriou. * 4. The name of the author may not be used to endorse or promote products *    derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */#ifndef _MACHINE_DISKLABEL_H_#define _MACHINE_DISKLABEL_H_#define	LABELSECTOR	1		/* sector containing label */#define	LABELOFFSET	0		/* offset of label in sector */#define	MAXPARTITIONS	16		/* number of partitions */#define	RAW_PART	2		/* raw partition: ie. rsd0c *//* MBR partition table */#define	DOSBBSECTOR	0		/* MBR sector number */#define	DOSPARTOFF	446		/* Offset of MBR partition table */#define	NDOSPART	4		/* # of partitions in MBR */#define	DOSMAGICOFF	510		/* Offset of magic number */#define	DOSMAGIC	0xaa55		/* Actual magic number */#define	MBRMAGIC	DOSMAGIC#define DOSMBR_SIGNATURE MBRMAGIC#define DOSMBR_SIGNATURE_OFF DOSMAGICOFF#define	DOSACTIVE	0x80struct dos_partition {	unsigned char	dp_flag;	/* default boot flag */	unsigned char	dp_shd;	/* start head, IsN't Always Meaningful */	unsigned char	dp_ssect;	/* start sector, INAM */	unsigned char	dp_scyl;	/* start cylinder, INAM */	unsigned char	dp_typ;		/* partition type */	unsigned char	dp_ehd;	/* end head, INAM */	unsigned char	dp_esect;	/* end sector, INAM */	unsigned char	dp_ecyl;	/* end cylinder, INAM */	unsigned long	dp_start;	/* absolute start sector number */	unsigned long	dp_size;	/* partition size in sectors */};/* Known DOS partition types. */#define	DOSPTYP_UNUSED	0x00		/* Unused partition */#define DOSPTYP_FAT12	0x01		/* 12-bit FAT */#define DOSPTYP_FAT16S	0x04		/* 16-bit FAT, less than 32M */#define DOSPTYP_EXTEND	0x05		/* Extended; contains sub-partitions */#define DOSPTYP_FAT16B	0x06		/* 16-bit FAT, more than 32M */#define DOSPTYP_FAT32	0x0b		/* 32-bit FAT */#define DOSPTYP_FAT32L	0x0c		/* 32-bit FAT, LBA-mapped */#define DOSPTYP_FAT16C	0x0e		/* 16-bit FAT, CHS-mapped */#define DOSPTYP_EXTENDL 0x0f		/* Extended, LBA-mapped; contains sub-partitions */#define DOSPTYP_ONTRACK	0x54#define	DOSPTYP_LINUX	0x83		/* That other thing */#define DOSPTYP_FREEBSD	0xa5		/* FreeBSD partition type */#define DOSPTYP_OPENBSD	0xa6		/* OpenBSD partition type */#define DOSPTYP_NETBSD	0xa9		/* NetBSD partition type */#include <sys/dkbad.h>struct cpu_disklabel {	struct dos_partition dosparts[NDOSPART];	struct dkbad bad;};#define DKBAD(x) ((x)->bad)/* Isolate the relevant bits to get sector and cylinder. */#define	DPSECT(s)	((s) & 0x3f)#define	DPCYL(c, s)	((c) + (((s) & 0xc0) << 2))static __inline u_int32_t get_le __P((void *p));static __inline u_int32_t#ifdef __cplusplusget_le(void *p)#elseget_le(p)	void *p;#endif{	u_int8_t *_p = (u_int8_t *)p;	int x;	x = _p[0];	x |= _p[1] << 8;	x |= _p[2] << 16;	x |= _p[3] << 24;	return x;}#endif /* _MACHINE_DISKLABEL_H_ */