LCOM1920-T02G10

/*        $NetBSD: disklabel.h,v 1.16 2011/08/30 12:39:55 bouyer 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 _I386_DISKLABEL_H_

#define _I386_DISKLABEL_H_

#define LABELUSESMBR                1        /* use MBR partitionning */

#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 {

#define __HAVE_DISKLABEL_DKBAD

        struct dkbad bad;

};

#endif

#endif /* _I386_DISKLABEL_H_ */