disklabel.h revision 1.6.78.2
1 1.6.78.2 yamt /* $NetBSD: disklabel.h,v 1.6.78.2 2010/08/11 22:52:06 yamt Exp $ */ 2 1.1 ichiro 3 1.2 toshii /* 4 1.2 toshii * Copyright (c) 1994 Christopher G. Demetriou 5 1.2 toshii * All rights reserved. 6 1.2 toshii * 7 1.2 toshii * Redistribution and use in source and binary forms, with or without 8 1.2 toshii * modification, are permitted provided that the following conditions 9 1.2 toshii * are met: 10 1.2 toshii * 1. Redistributions of source code must retain the above copyright 11 1.2 toshii * notice, this list of conditions and the following disclaimer. 12 1.2 toshii * 2. Redistributions in binary form must reproduce the above copyright 13 1.2 toshii * notice, this list of conditions and the following disclaimer in the 14 1.2 toshii * documentation and/or other materials provided with the distribution. 15 1.2 toshii * 3. All advertising materials mentioning features or use of this software 16 1.2 toshii * must display the following acknowledgement: 17 1.2 toshii * This product includes software developed by Christopher G. Demetriou. 18 1.2 toshii * 4. The name of the author may not be used to endorse or promote products 19 1.2 toshii * derived from this software without specific prior written permission 20 1.2 toshii * 21 1.2 toshii * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.2 toshii * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.2 toshii * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.2 toshii * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.2 toshii * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 1.2 toshii * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.2 toshii * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 1.2 toshii * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 1.2 toshii * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 1.2 toshii * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 1.2 toshii */ 32 1.2 toshii 33 1.2 toshii #ifndef _MACHINE_DISKLABEL_H_ 34 1.2 toshii #define _MACHINE_DISKLABEL_H_ 35 1.2 toshii 36 1.6.78.2 yamt #define LABELSECTOR 1 /* sector containing label */ 37 1.6.78.2 yamt #define LABELOFFSET 0 /* offset of label in sector */ 38 1.6.78.2 yamt #define MAXPARTITIONS 16 /* number of partitions */ 39 1.6.78.2 yamt #define OLDMAXPARTITIONS 8 /* number of partitions before 1.6 */ 40 1.6.78.2 yamt #define RAW_PART 3 /* raw partition: XX?d (XXX) */ 41 1.6.78.2 yamt 42 1.6.78.2 yamt /* 43 1.6.78.2 yamt * We use the highest bit of the minor number for the partition number. 44 1.6.78.2 yamt * This maintains backward compatibility with device nodes created before 45 1.6.78.2 yamt * MAXPARTITIONS was increased. 46 1.6.78.2 yamt */ 47 1.6.78.2 yamt #define __HPCARM_MAXDISKS ((1 << 20) / MAXPARTITIONS) 48 1.6.78.2 yamt #define DISKUNIT(dev) ((minor(dev) / OLDMAXPARTITIONS) % __HPCARM_MAXDISKS) 49 1.6.78.2 yamt #define DISKPART(dev) ((minor(dev) % OLDMAXPARTITIONS) + \ 50 1.6.78.2 yamt ((minor(dev) / (__HPCARM_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS)) 51 1.6.78.2 yamt #define DISKMINOR(unit, part) \ 52 1.6.78.2 yamt (((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \ 53 1.6.78.2 yamt ((part) / OLDMAXPARTITIONS) * (__HPCARM_MAXDISKS * OLDMAXPARTITIONS)) 54 1.2 toshii 55 1.2 toshii /* Pull in MBR partition definitions. */ 56 1.5 dyoung #if HAVE_NBTOOL_CONFIG_H 57 1.5 dyoung #include <nbinclude/sys/bootblock.h> 58 1.5 dyoung #else 59 1.4 lukem #include <sys/bootblock.h> 60 1.5 dyoung #endif /* HAVE_NBTOOL_CONFIG_H */ 61 1.2 toshii 62 1.2 toshii #ifndef __ASSEMBLER__ 63 1.5 dyoung #if HAVE_NBTOOL_CONFIG_H 64 1.5 dyoung #include <nbinclude/sys/dkbad.h> 65 1.5 dyoung #else 66 1.2 toshii #include <sys/dkbad.h> 67 1.5 dyoung #endif /* HAVE_NBTOOL_CONFIG_H */ 68 1.2 toshii struct cpu_disklabel { 69 1.4 lukem struct mbr_partition dosparts[MBR_PART_COUNT]; 70 1.6.78.1 yamt #define __HAVE_DISKLABEL_DKBAD 71 1.2 toshii struct dkbad bad; 72 1.2 toshii }; 73 1.2 toshii #endif 74 1.2 toshii 75 1.2 toshii #endif /* _MACHINE_DISKLABEL_H_ */ 76
Indexes created Thu Oct 02 10:09:58 GMT 2025