NetBSD/usr.sbin/mbrlabel/mbrlabel.h

68 lines
3.1 KiB
C

/* $NetBSD: mbrlabel.h,v 1.1 1998/11/16 18:44:26 ws 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.
*/
/*
* Mostly stolen from <sys/arch/i386/disklabel.h>.
* This file should most likely be somewhere else in the include hierarchy.
*/
/* DOS partition table -- located in boot block */
#define MBRSECTOR 0 /* MBR relative sector # */
#define MBRPARTOFF 446
#define NMBRPART 4
struct mbr_partition {
unsigned char mp_flag; /* bootstrap flags */
unsigned char mp_shd; /* starting head */
unsigned char mp_ssect; /* starting sector */
unsigned char mp_scyl; /* starting cylinder */
unsigned char mp_typ; /* partition type (see below) */
unsigned char mp_ehd; /* end head */
unsigned char mp_esect; /* end sector */
unsigned char mp_ecyl; /* end cylinder */
unsigned long mp_start; /* absolute starting sector number */
unsigned long mp_size; /* partition size in sectors */
};
/* Known MBR partition types: */
#define MBR_NETBSD 0xa9 /* NetBSD partition type */
#define MBR_386BSD 0xa5 /* 386BSD partition type */
#define MBR_FAT12 0x01 /* 12-bit FAT */
#define MBR_FAT16S 0x04 /* 16-bit FAT, less than 32M */
#define MBR_EXT 0x05 /* extended partition */
#define MBR_FAT16B 0x06 /* 16-bit FAT, more than 32M */
#define MBR_FAT32 0x0b /* 32-bit FAT */
#define MBR_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */
#define MBR_FAT16L 0x0e /* 16-bit FAT, LBA-mapped */
#define MBR_EXT_LBA 0x0f /* extended partition, LBA-mapped */
#define MBR_LNXEXT2 0x83 /* Linux native */