hpcarm/include/disklabel.h

1.7.2.1  uebayasi /*	$NetBSD: disklabel.h,v 1.7.2.1 2010/08/17 06:44:27 uebayasi Exp $	*/
    1.1    ichiro
    1.2    toshii /*
    1.2    toshii  * Copyright (c) 1994 Christopher G. Demetriou
    1.2    toshii  * All rights reserved.
    1.2    toshii  *
    1.2    toshii  * Redistribution and use in source and binary forms, with or without
    1.2    toshii  * modification, are permitted provided that the following conditions
    1.2    toshii  * are met:
    1.2    toshii  * 1. Redistributions of source code must retain the above copyright
    1.2    toshii  *    notice, this list of conditions and the following disclaimer.
    1.2    toshii  * 2. Redistributions in binary form must reproduce the above copyright
    1.2    toshii  *    notice, this list of conditions and the following disclaimer in the
    1.2    toshii  *    documentation and/or other materials provided with the distribution.
    1.2    toshii  * 3. All advertising materials mentioning features or use of this software
    1.2    toshii  *    must display the following acknowledgement:
    1.2    toshii  *      This product includes software developed by Christopher G. Demetriou.
    1.2    toshii  * 4. The name of the author may not be used to endorse or promote products
    1.2    toshii  *    derived from this software without specific prior written permission
    1.2    toshii  *
    1.2    toshii  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    1.2    toshii  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    1.2    toshii  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    1.2    toshii  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    1.2    toshii  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    1.2    toshii  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.2    toshii  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    1.2    toshii  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    1.2    toshii  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    1.2    toshii  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.2    toshii  */
    1.2    toshii
    1.2    toshii #ifndef _MACHINE_DISKLABEL_H_
    1.2    toshii #define _MACHINE_DISKLABEL_H_
    1.2    toshii
1.7.2.1  uebayasi #define	LABELSECTOR		1	/* sector containing label */
1.7.2.1  uebayasi #define	LABELOFFSET		0	/* offset of label in sector */
1.7.2.1  uebayasi #define	MAXPARTITIONS		16	/* number of partitions */
1.7.2.1  uebayasi #define	OLDMAXPARTITIONS 	8	/* number of partitions before 1.6 */
1.7.2.1  uebayasi #define	RAW_PART		3	/* raw partition: XX?d (XXX) */
1.7.2.1  uebayasi
1.7.2.1  uebayasi /*
1.7.2.1  uebayasi  * We use the highest bit of the minor number for the partition number.
1.7.2.1  uebayasi  * This maintains backward compatibility with device nodes created before
1.7.2.1  uebayasi  * MAXPARTITIONS was increased.
1.7.2.1  uebayasi  */
1.7.2.1  uebayasi #define	__HPCARM_MAXDISKS	((1 << 20) / MAXPARTITIONS)
1.7.2.1  uebayasi #define	DISKUNIT(dev)	((minor(dev) / OLDMAXPARTITIONS) % __HPCARM_MAXDISKS)
1.7.2.1  uebayasi #define	DISKPART(dev)	((minor(dev) % OLDMAXPARTITIONS) + \
1.7.2.1  uebayasi     ((minor(dev) / (__HPCARM_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS))
1.7.2.1  uebayasi #define	DISKMINOR(unit, part) \
1.7.2.1  uebayasi     (((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \
1.7.2.1  uebayasi      ((part) / OLDMAXPARTITIONS) * (__HPCARM_MAXDISKS * OLDMAXPARTITIONS))
    1.2    toshii
    1.2    toshii /* Pull in MBR partition definitions. */
    1.5    dyoung #if HAVE_NBTOOL_CONFIG_H
    1.5    dyoung #include <nbinclude/sys/bootblock.h>
    1.5    dyoung #else
    1.4     lukem #include <sys/bootblock.h>
    1.5    dyoung #endif /* HAVE_NBTOOL_CONFIG_H */
    1.2    toshii
    1.2    toshii #ifndef __ASSEMBLER__
    1.5    dyoung #if HAVE_NBTOOL_CONFIG_H
    1.5    dyoung #include <nbinclude/sys/dkbad.h>
    1.5    dyoung #else
    1.2    toshii #include <sys/dkbad.h>
    1.5    dyoung #endif /* HAVE_NBTOOL_CONFIG_H */
    1.2    toshii struct cpu_disklabel {
    1.4     lukem 	struct mbr_partition dosparts[MBR_PART_COUNT];
    1.7     pooka #define __HAVE_DISKLABEL_DKBAD
    1.2    toshii 	struct dkbad bad;
    1.2    toshii };
    1.2    toshii #endif
    1.2    toshii
    1.2    toshii #endif /* _MACHINE_DISKLABEL_H_ */