| 2aa62f2b |
1 | /* $NetBSD: disklabel.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */\r |
| 2 | \r |
| 3 | /*\r |
| 4 | * Copyright (c) 1994 Christopher G. Demetriou\r |
| 5 | * All rights reserved.\r |
| 6 | *\r |
| 7 | * Redistribution and use in source and binary forms, with or without\r |
| 8 | * modification, are permitted provided that the following conditions\r |
| 9 | * are met:\r |
| 10 | * 1. Redistributions of source code must retain the above copyright\r |
| 11 | * notice, this list of conditions and the following disclaimer.\r |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright\r |
| 13 | * notice, this list of conditions and the following disclaimer in the\r |
| 14 | * documentation and/or other materials provided with the distribution.\r |
| 15 | * 3. All advertising materials mentioning features or use of this software\r |
| 16 | * must display the following acknowledgement:\r |
| 17 | * This product includes software developed by Christopher G. Demetriou.\r |
| 18 | * 4. The name of the author may not be used to endorse or promote products\r |
| 19 | * derived from this software without specific prior written permission\r |
| 20 | *\r |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r |
| 22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\r |
| 23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r |
| 24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,\r |
| 25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r |
| 26 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r |
| 30 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r |
| 31 | */\r |
| 32 | \r |
| 33 | #ifndef _MACHINE_DISKLABEL_H_\r |
| 34 | #define _MACHINE_DISKLABEL_H_\r |
| 35 | \r |
| 36 | #define LABELSECTOR 1 /* sector containing label */\r |
| 37 | #define LABELOFFSET 0 /* offset of label in sector */\r |
| 38 | #define MAXPARTITIONS 16 /* number of partitions */\r |
| 39 | #define OLDMAXPARTITIONS 8 /* number of partitions before 1.6 */\r |
| 40 | #define RAW_PART 3 /* raw partition: XX?d (XXX) */\r |
| 41 | \r |
| 42 | /*\r |
| 43 | * We use the highest bit of the minor number for the partition number.\r |
| 44 | * This maintains backward compatibility with device nodes created before\r |
| 45 | * MAXPARTITIONS was increased.\r |
| 46 | */\r |
| 47 | #define __I386_MAXDISKS ((1 << 20) / MAXPARTITIONS)\r |
| 48 | #define DISKUNIT(dev) ((minor(dev) / OLDMAXPARTITIONS) % __I386_MAXDISKS)\r |
| 49 | #define DISKPART(dev) ((minor(dev) % OLDMAXPARTITIONS) + \\r |
| 50 | ((minor(dev) / (__I386_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS))\r |
| 51 | #define DISKMINOR(unit, part) \\r |
| 52 | (((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \\r |
| 53 | ((part) / OLDMAXPARTITIONS) * (__I386_MAXDISKS * OLDMAXPARTITIONS))\r |
| 54 | \r |
| 55 | /* Pull in MBR partition definitions. */\r |
| 56 | #if HAVE_NBTOOL_CONFIG_H\r |
| 57 | #include <nbinclude/sys/bootblock.h>\r |
| 58 | #else\r |
| 59 | #include <sys/bootblock.h>\r |
| 60 | #endif /* HAVE_NBTOOL_CONFIG_H */\r |
| 61 | \r |
| 62 | #ifndef __ASSEMBLER__\r |
| 63 | #if HAVE_NBTOOL_CONFIG_H\r |
| 64 | #include <nbinclude/sys/dkbad.h>\r |
| 65 | #else\r |
| 66 | #include <sys/dkbad.h>\r |
| 67 | #endif /* HAVE_NBTOOL_CONFIG_H */\r |
| 68 | struct cpu_disklabel {\r |
| 69 | struct dkbad bad;\r |
| 70 | };\r |
| 71 | #endif\r |
| 72 | \r |
| 73 | #endif /* _MACHINE_DISKLABEL_H_ */\r |
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