/* $OpenBSD: mbr.h,v 1.11 2003/06/03 01:13:19 weingart Exp $ */ /* * Copyright (c) 1997 Tobias Weingartner * 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. * * 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 _MBR_H #define _MBR_H #include "part.h" /* Various constants */ #define MBR_CODE_SIZE 0x1BE #define MBR_PART_SIZE 0x10 #define MBR_PART_OFF 0x1BE #define MBR_SIG_OFF 0x1FE /* MBR type */ typedef struct _mbr_t { off_t reloffset; off_t offset; unsigned char code[MBR_CODE_SIZE]; prt_t part[NDOSPART]; unsigned short signature; } mbr_t; /* Prototypes */ void MBR_print_disk(char *); void MBR_print(mbr_t *, char *); void MBR_parse(disk_t *, char *, off_t, off_t, mbr_t *); void MBR_make(mbr_t *, char *); void MBR_init(disk_t *, mbr_t *); int MBR_read(int, off_t, char *); int MBR_write(int, off_t, char *); void MBR_pcopy(disk_t *, mbr_t *); /* Sanity check */ #include <machine/param.h> #if (DEV_BSIZE != 512) #error "DEV_BSIZE != 512, somebody better fix me!" #endif #endif /* _MBR_H */