/*      $NetBSD: dec_boot.h,v 1.7 2005/12/11 12:21:20 christos Exp $    */

/*
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)dec_boot.h  8.1 (Berkeley) 6/10/93
*
* from: Header: /sprite/src/kernel/dev/RCS/devDiskLabel.h,
*      v 9.4 90/03/01 12:22:36 jhh Exp  SPRITE (Berkeley)
*/

#ifndef _DEV_DEC_DEC_BOOT_H_
#define _DEV_DEC_DEC_BOOT_H_

/* The following describes the ULTRIX partition tables.
*/
/*
* DEC_NUM_DISK_PARTS is the number of partitions that are recorded in
* the label information.  The size of the padding in the Dec_DiskLabel
* type is dependent on this number...
*/
#define DEC_NUM_DISK_PARTS      8

/*
* A disk is divided into partitions and this type specifies where a
* partition starts and how many bytes it contains.
*/
typedef struct dec_disk_map {
       int32_t num_blocks;     /* Number of 512 byte blocks in partition. */
       int32_t start_block;    /* Start of partition in blocks. */
} dec_disk_map;

/*
* Label information on the 31st (DEC_LABEL_SECTOR) sector.
*/
typedef struct dec_disklabel {
   u_int8_t    pad0[440];              /* DIFFERENT from sprite!!! */
   int32_t     magic;                  /* DEC_LABEL_MAGIC */
   int32_t     is_partitioned;         /* 1 if disk is partitioned. */
   dec_disk_map map[DEC_NUM_DISK_PARTS]; /* Indicates disk partitions. */
} dec_disklabel;

#define DEC_LABEL_MAGIC         0x00032957
#define DEC_LABEL_SECTOR        31

#endif  /* !_DEV_DEC_DEC_BOOT_H_ */