1 /* $NetBSD: dec_boot.h,v 1.5 2002/05/14 06:34:21 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)dec_boot.h 8.1 (Berkeley) 6/10/93 39 * 40 * from: Header: /sprite/src/kernel/dev/RCS/devDiskLabel.h, 41 * v 9.4 90/03/01 12:22:36 jhh Exp SPRITE (Berkeley) 42 */ 43 44 #ifndef _DEV_DEC_DEC_BOOT_H_ 45 #define _DEV_DEC_DEC_BOOT_H_ 46 47 /* The following describes the ULTRIX partition tables. 48 */ 49 /* 50 * DEC_NUM_DISK_PARTS is the number of partitions that are recorded in 51 * the label information. The size of the padding in the Dec_DiskLabel 52 * type is dependent on this number... 53 */ 54 #define DEC_NUM_DISK_PARTS 8 55 56 /* 57 * A disk is divided into partitions and this type specifies where a 58 * partition starts and how many bytes it contains. 59 */ 60 typedef struct dec_disk_map { 61 int32_t num_blocks; /* Number of 512 byte blocks in partition. */ 62 int32_t start_block; /* Start of partition in blocks. */ 63 } dec_disk_map; 64 65 /* 66 * Label information on the 31st (DEC_LABEL_SECTOR) sector. 67 */ 68 typedef struct dec_disklabel { 69 u_int8_t pad0[440]; /* DIFFERENT from sprite!!! */ 70 int32_t magic; /* DEC_LABEL_MAGIC */ 71 int32_t is_partitioned; /* 1 if disk is partitioned. */ 72 dec_disk_map map[DEC_NUM_DISK_PARTS]; /* Indicates disk partitions. */ 73 } dec_disklabel; 74 75 #define DEC_LABEL_MAGIC 0x00032957 76 #define DEC_LABEL_SECTOR 31 77 78 #endif /* !_DEV_DEC_DEC_BOOT_H_ */ 79