| /* $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_ */ |