Home | History | Annotate | Line # | Download | only in include
      1  1.16    bouyer /*	$NetBSD: disklabel.h,v 1.16 2011/08/30 12:39:55 bouyer Exp $	*/
      2   1.1       cgd 
      3   1.1       cgd /*
      4   1.1       cgd  * Copyright (c) 1994 Christopher G. Demetriou
      5   1.1       cgd  * All rights reserved.
      6   1.1       cgd  *
      7   1.1       cgd  * Redistribution and use in source and binary forms, with or without
      8   1.1       cgd  * modification, are permitted provided that the following conditions
      9   1.1       cgd  * are met:
     10   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     11   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     12   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     15   1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     16   1.1       cgd  *    must display the following acknowledgement:
     17   1.1       cgd  *      This product includes software developed by Christopher G. Demetriou.
     18   1.1       cgd  * 4. The name of the author may not be used to endorse or promote products
     19   1.1       cgd  *    derived from this software without specific prior written permission
     20   1.1       cgd  *
     21   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22   1.1       cgd  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23   1.1       cgd  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24   1.1       cgd  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25   1.1       cgd  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26   1.1       cgd  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27   1.1       cgd  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28   1.1       cgd  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29   1.1       cgd  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30   1.1       cgd  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31   1.1       cgd  */
     32   1.1       cgd 
     33  1.14       mrg #ifndef _I386_DISKLABEL_H_
     34  1.14       mrg #define _I386_DISKLABEL_H_
     35   1.1       cgd 
     36  1.16    bouyer #define LABELUSESMBR		1	/* use MBR partitionning */
     37   1.9      tron #define	LABELSECTOR		1	/* sector containing label */
     38   1.9      tron #define	LABELOFFSET		0	/* offset of label in sector */
     39   1.9      tron #define	MAXPARTITIONS		16	/* number of partitions */
     40   1.9      tron #define	OLDMAXPARTITIONS 	8	/* number of partitions before 1.6 */
     41   1.9      tron #define	RAW_PART		3	/* raw partition: XX?d (XXX) */
     42   1.9      tron 
     43   1.9      tron /*
     44   1.9      tron  * We use the highest bit of the minor number for the partition number.
     45   1.9      tron  * This maintains backward compatibility with device nodes created before
     46   1.9      tron  * MAXPARTITIONS was increased.
     47   1.9      tron  */
     48   1.9      tron #define __I386_MAXDISKS	((1 << 20) / MAXPARTITIONS)
     49   1.9      tron #define DISKUNIT(dev)	((minor(dev) / OLDMAXPARTITIONS) % __I386_MAXDISKS)
     50   1.9      tron #define DISKPART(dev)	((minor(dev) % OLDMAXPARTITIONS) + \
     51   1.9      tron     ((minor(dev) / (__I386_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS))
     52   1.9      tron #define	DISKMINOR(unit, part) \
     53   1.9      tron     (((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \
     54   1.9      tron      ((part) / OLDMAXPARTITIONS) * (__I386_MAXDISKS * OLDMAXPARTITIONS))
     55   1.1       cgd 
     56   1.8   thorpej /* Pull in MBR partition definitions. */
     57  1.13    dyoung #if HAVE_NBTOOL_CONFIG_H
     58  1.13    dyoung #include <nbinclude/sys/bootblock.h>
     59  1.13    dyoung #else
     60  1.12     lukem #include <sys/bootblock.h>
     61  1.13    dyoung #endif /* HAVE_NBTOOL_CONFIG_H */
     62   1.1       cgd 
     63   1.5  drochner #ifndef __ASSEMBLER__
     64  1.13    dyoung #if HAVE_NBTOOL_CONFIG_H
     65  1.13    dyoung #include <nbinclude/sys/dkbad.h>
     66  1.13    dyoung #else
     67   1.1       cgd #include <sys/dkbad.h>
     68  1.13    dyoung #endif /* HAVE_NBTOOL_CONFIG_H */
     69   1.1       cgd struct cpu_disklabel {
     70  1.15     pooka #define __HAVE_DISKLABEL_DKBAD
     71   1.1       cgd 	struct dkbad bad;
     72   1.1       cgd };
     73   1.1       cgd #endif
     74   1.1       cgd 
     75  1.14       mrg #endif /* _I386_DISKLABEL_H_ */
     76