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/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* 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.
* 4. 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.
*
* @(#)sun_disklabel.h 8.1 (Berkeley) 6/11/93
* $NetBSD: disklabel.h,v 1.2 1998/08/22 14:55:28 mrg Exp $
*
* $FreeBSD$
*/
#ifndef _SYS_SUN_DISKLABEL_H_
#define _SYS_SUN_DISKLABEL_H_
/*
* SunOS/Solaris disk label layout (partial).
*
* Suns disk label format contains a lot of historical baggage which we
* ignore entirely. The structure below contains the relevant bits and the
* _enc/_dec functions encode/decode only these fields.
*/
#define SUN_DKMAGIC 55998
#define SUN_NPART 8
#define SUN_RAWPART 2
#define SUN_SIZE 512
/*
* XXX: I am actually not sure if this should be "16 sectors" or "8192 bytes".
* XXX: Considering that Sun went to the effort of getting 512 byte compatible
* XXX: CDROM drives produced my guess is that Sun computers stand little or
* XXX: even no chance of running, much less booting on !=512 byte media.
* XXX: Define this is in terms of bytes since that is easier for us.
*/
#define SUN_BOOTSIZE 8192
/* partition info */
struct sun_dkpart {
u_int32_t sdkp_cyloffset; /* starting cylinder */
u_int32_t sdkp_nsectors; /* number of sectors */
};
struct sun_disklabel {
char sl_text[128];
u_int16_t sl_rpm; /* rotational speed */
u_int16_t sl_pcylinders; /* number of physical cyls */
u_int16_t sl_sparespercyl; /* spare sectors per cylinder */
u_int16_t sl_interleave; /* interleave factor */
u_int16_t sl_ncylinders; /* data cylinders */
u_int16_t sl_acylinders; /* alternate cylinders */
u_int16_t sl_ntracks; /* tracks per cylinder */
u_int16_t sl_nsectors; /* sectors per track */
struct sun_dkpart sl_part[SUN_NPART]; /* partition layout */
u_int16_t sl_magic; /* == SUN_DKMAGIC */
};
int sunlabel_dec(void const *pp, struct sun_disklabel *sl);
void sunlabel_enc(void *pp, struct sun_disklabel *sl);
#endif /* _SYS_SUN_DISKLABEL_H_ */
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