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/* $NetBSD: disklabel.h,v 1.1 2006/04/07 14:21:18 cherry 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 OLDMAXPARTITIONS 8 /* number of partitions before 1.6 */
#define RAW_PART 3 /* raw partition: XX?d (XXX) */
/*
* We use the highest bit of the minor number for the partition number.
* This maintains backward compatibility with device nodes created before
* MAXPARTITIONS was increased.
*/
#define __I386_MAXDISKS ((1 << 20) / MAXPARTITIONS)
#define DISKUNIT(dev) ((minor(dev) / OLDMAXPARTITIONS) % __I386_MAXDISKS)
#define DISKPART(dev) ((minor(dev) % OLDMAXPARTITIONS) + \
((minor(dev) / (__I386_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS))
#define DISKMINOR(unit, part) \
(((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \
((part) / OLDMAXPARTITIONS) * (__I386_MAXDISKS * OLDMAXPARTITIONS))
/* Pull in MBR partition definitions. */
#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/sys/bootblock.h>
#else
#include <sys/bootblock.h>
#endif /* HAVE_NBTOOL_CONFIG_H */
#ifndef __ASSEMBLER__
#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/sys/dkbad.h>
#else
#include <sys/dkbad.h>
#endif /* HAVE_NBTOOL_CONFIG_H */
struct cpu_disklabel {
struct dkbad bad;
};
#endif
#endif /* _MACHINE_DISKLABEL_H_ */
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