75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/* $NetBSD: dec_boot.h,v 1.6 2003/08/07 16:30:54 agc Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dec_boot.h 8.1 (Berkeley) 6/10/93
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*
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* from: Header: /sprite/src/kernel/dev/RCS/devDiskLabel.h,
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* v 9.4 90/03/01 12:22:36 jhh Exp SPRITE (Berkeley)
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*/
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#ifndef _DEV_DEC_DEC_BOOT_H_
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#define _DEV_DEC_DEC_BOOT_H_
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/* The following describes the ULTRIX partition tables.
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*/
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/*
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* DEC_NUM_DISK_PARTS is the number of partitions that are recorded in
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* the label information. The size of the padding in the Dec_DiskLabel
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* type is dependent on this number...
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*/
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#define DEC_NUM_DISK_PARTS 8
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/*
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* A disk is divided into partitions and this type specifies where a
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* partition starts and how many bytes it contains.
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*/
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typedef struct dec_disk_map {
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int32_t num_blocks; /* Number of 512 byte blocks in partition. */
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int32_t start_block; /* Start of partition in blocks. */
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} dec_disk_map;
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/*
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* Label information on the 31st (DEC_LABEL_SECTOR) sector.
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*/
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typedef struct dec_disklabel {
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u_int8_t pad0[440]; /* DIFFERENT from sprite!!! */
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int32_t magic; /* DEC_LABEL_MAGIC */
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int32_t is_partitioned; /* 1 if disk is partitioned. */
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dec_disk_map map[DEC_NUM_DISK_PARTS]; /* Indicates disk partitions. */
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} dec_disklabel;
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#define DEC_LABEL_MAGIC 0x00032957
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#define DEC_LABEL_SECTOR 31
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#endif /* !_DEV_DEC_DEC_BOOT_H_ */
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