/* $NetBSD: disklabel.h,v 1.1.1.1 1996/03/13 04:58:07 jonathan 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 0 /* sector containing label */ #define LABELOFFSET 64 /* offset of label in sector */ #define MAXPARTITIONS 8 /* number of partitions */ #define RAW_PART 2 /* raw partition: xx?c */ /* DOS partition table -- used when the system is booted from a dos * partition. This is the case on NT systems. */ #define DOSBBSECTOR 0 /* DOS boot block relative sector # */ #define DOSPARTOFF 446 #define NDOSPART 4 struct dos_partition { unsigned char dp_flag; /* bootstrap flags */ unsigned char dp_shd; /* starting head */ unsigned char dp_ssect; /* starting sector */ unsigned char dp_scyl; /* starting cylinder */ unsigned char dp_typ; /* partition type (see below) */ unsigned char dp_ehd; /* end head */ unsigned char dp_esect; /* end sector */ unsigned char dp_ecyl; /* end cylinder */ unsigned long dp_start; /* absolute starting sector number */ unsigned long dp_size; /* partition size in sectors */ } dos_partitions[NDOSPART]; /* Known DOS partition types. */ #define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ #define DOSPTYP_NETBSD DOSPTYP_386BSD /* NetBSD partition type (XXX) */ #include struct cpu_disklabel { struct dos_partition dosparts[NDOSPART]; struct dkbad bad; }; /* Isolate the relevant bits to get sector and cylinder. */ #define DPSECT(s) ((s) & 0x3f) #define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2)) #ifdef _KERNEL struct disklabel; int bounds_check_with_label __P((struct buf *, struct disklabel *, int)); #endif #endif /* _MACHINE_DISKLABEL_H_ */