hpcarm/include/disklabel.h

1.8  tsutsui /*	$NetBSD: disklabel.h,v 1.8 2010/07/17 15:13:18 tsutsui 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
1.8  tsutsui #define	LABELSECTOR		1	/* sector containing label */
1.8  tsutsui #define	LABELOFFSET		0	/* offset of label in sector */
1.8  tsutsui #define	MAXPARTITIONS		16	/* number of partitions */
1.8  tsutsui #define	OLDMAXPARTITIONS 	8	/* number of partitions before 1.6 */
1.8  tsutsui #define	RAW_PART		3	/* raw partition: XX?d (XXX) */
1.8  tsutsui
1.8  tsutsui /*
1.8  tsutsui  * We use the highest bit of the minor number for the partition number.
1.8  tsutsui  * This maintains backward compatibility with device nodes created before
1.8  tsutsui  * MAXPARTITIONS was increased.
1.8  tsutsui  */
1.8  tsutsui #define	__HPCARM_MAXDISKS	((1 << 20) / MAXPARTITIONS)
1.8  tsutsui #define	DISKUNIT(dev)	((minor(dev) / OLDMAXPARTITIONS) % __HPCARM_MAXDISKS)
1.8  tsutsui #define	DISKPART(dev)	((minor(dev) % OLDMAXPARTITIONS) + \
1.8  tsutsui     ((minor(dev) / (__HPCARM_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS))
1.8  tsutsui #define	DISKMINOR(unit, part) \
1.8  tsutsui     (((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \
1.8  tsutsui      ((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_ */