1*95e1ffb1Schristos /* $NetBSD: dec_boot.h,v 1.7 2005/12/11 12:21:20 christos Exp $ */ 2bd24eacfSmatt 3bd24eacfSmatt /* 4bd24eacfSmatt * Copyright (c) 1992, 1993 5bd24eacfSmatt * The Regents of the University of California. All rights reserved. 6bd24eacfSmatt * 7bd24eacfSmatt * This code is derived from software contributed to Berkeley by 8bd24eacfSmatt * Ralph Campbell. 9bd24eacfSmatt * 10bd24eacfSmatt * Redistribution and use in source and binary forms, with or without 11bd24eacfSmatt * modification, are permitted provided that the following conditions 12bd24eacfSmatt * are met: 13bd24eacfSmatt * 1. Redistributions of source code must retain the above copyright 14bd24eacfSmatt * notice, this list of conditions and the following disclaimer. 15bd24eacfSmatt * 2. Redistributions in binary form must reproduce the above copyright 16bd24eacfSmatt * notice, this list of conditions and the following disclaimer in the 17bd24eacfSmatt * documentation and/or other materials provided with the distribution. 18aad01611Sagc * 3. Neither the name of the University nor the names of its contributors 19bd24eacfSmatt * may be used to endorse or promote products derived from this software 20bd24eacfSmatt * without specific prior written permission. 21bd24eacfSmatt * 22bd24eacfSmatt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23bd24eacfSmatt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24bd24eacfSmatt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25bd24eacfSmatt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26bd24eacfSmatt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27bd24eacfSmatt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28bd24eacfSmatt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29bd24eacfSmatt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30bd24eacfSmatt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31bd24eacfSmatt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32bd24eacfSmatt * SUCH DAMAGE. 33bd24eacfSmatt * 34bd24eacfSmatt * @(#)dec_boot.h 8.1 (Berkeley) 6/10/93 35bd24eacfSmatt * 36bd24eacfSmatt * from: Header: /sprite/src/kernel/dev/RCS/devDiskLabel.h, 37bd24eacfSmatt * v 9.4 90/03/01 12:22:36 jhh Exp SPRITE (Berkeley) 38bd24eacfSmatt */ 39bd24eacfSmatt 40bd24eacfSmatt #ifndef _DEV_DEC_DEC_BOOT_H_ 41bd24eacfSmatt #define _DEV_DEC_DEC_BOOT_H_ 42bd24eacfSmatt 43bd24eacfSmatt /* The following describes the ULTRIX partition tables. 44bd24eacfSmatt */ 45bd24eacfSmatt /* 46bd24eacfSmatt * DEC_NUM_DISK_PARTS is the number of partitions that are recorded in 47bd24eacfSmatt * the label information. The size of the padding in the Dec_DiskLabel 48bd24eacfSmatt * type is dependent on this number... 49bd24eacfSmatt */ 50bd24eacfSmatt #define DEC_NUM_DISK_PARTS 8 51bd24eacfSmatt 52bd24eacfSmatt /* 53bd24eacfSmatt * A disk is divided into partitions and this type specifies where a 54bd24eacfSmatt * partition starts and how many bytes it contains. 55bd24eacfSmatt */ 56bd24eacfSmatt typedef struct dec_disk_map { 57bd24eacfSmatt int32_t num_blocks; /* Number of 512 byte blocks in partition. */ 58bd24eacfSmatt int32_t start_block; /* Start of partition in blocks. */ 59bd24eacfSmatt } dec_disk_map; 60bd24eacfSmatt 61bd24eacfSmatt /* 62bd24eacfSmatt * Label information on the 31st (DEC_LABEL_SECTOR) sector. 63bd24eacfSmatt */ 64bd24eacfSmatt typedef struct dec_disklabel { 65bd24eacfSmatt u_int8_t pad0[440]; /* DIFFERENT from sprite!!! */ 66bd24eacfSmatt int32_t magic; /* DEC_LABEL_MAGIC */ 67bd24eacfSmatt int32_t is_partitioned; /* 1 if disk is partitioned. */ 68bd24eacfSmatt dec_disk_map map[DEC_NUM_DISK_PARTS]; /* Indicates disk partitions. */ 69bd24eacfSmatt } dec_disklabel; 70bd24eacfSmatt 71bd24eacfSmatt #define DEC_LABEL_MAGIC 0x00032957 72bd24eacfSmatt #define DEC_LABEL_SECTOR 31 73bd24eacfSmatt 74bd24eacfSmatt #endif /* !_DEV_DEC_DEC_BOOT_H_ */ 75