NetBSD/sys/arch/sun3x/include/sun_disklabel.h

78 lines
3.3 KiB
C

/* $NetBSD: sun_disklabel.h,v 1.1.1.1 1997/01/14 20:57:07 gwr Exp $ */
/*
* 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.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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
* from: Header: sun_disklabel.h,v 1.4 92/06/17 07:04:13 torek Exp
* from: sun_disklabel.h,v 1.1 1993/11/14 10:47:13 deraadt Exp
*/
/*
* SunOS disk label layout (only relevant portions discovered here).
*/
#define SUN_DKMAGIC 55998
/* partition info */
struct sun_dkpart {
long sdkp_cyloffset; /* starting cylinder */
long sdkp_nsectors; /* number of sectors */
};
struct sun_disklabel { /* total size = 512 bytes */
char sl_text[128];
char sl_xxx1[292];
u_short sl_rpm; /* rotational speed */
u_short sl_pcyl; /* physical cylinders */
u_short sl_sparespercyl; /* spare sectors per cylinder */
u_short sl_xxx3[2];
u_short sl_interleave; /* interleave factor */
u_short sl_ncylinders; /* data cylinders */
u_short sl_acylinders; /* alternate cylinders */
u_short sl_ntracks; /* tracks per cylinder */
u_short sl_nsectors; /* sectors per track */
u_short sl_xxx4[2];
struct sun_dkpart sl_part[8]; /* partition layout */
u_short sl_magic; /* == SUN_DKMAGIC */
u_short sl_cksum; /* xor checksum of all shorts */
};