1 /*
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This software was developed by the Computer Systems Engineering group
6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
7 * contributed to Berkeley.
8 *
9 * All advertising materials mentioning features or use of this software
10 * must display the following acknowledgement:
11 * This product includes software developed by the University of
12 * California, Lawrence Berkeley Laboratory.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. All advertising materials mentioning features or use of this software
23 * must display the following acknowledgement:
24 * This product includes software developed by the University of
25 * California, Berkeley and its contributors.
26 * 4. Neither the name of the University nor the names of its contributors
27 * may be used to endorse or promote products derived from this software
28 * without specific prior written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * SUCH DAMAGE.
41 *
42 * @(#)sun_disklabel.h 8.1 (Berkeley) 6/11/93
43 * $NetBSD: disklabel.h,v 1.2 1998/08/22 14:55:28 mrg Exp $
44 *
45 * $FreeBSD: releng/5.1/sys/sys/sun_disklabel.h 113894 2003-04-23 08:04:30Z phk $
46 */
47
48 #ifndef _SYS_SUN_DISKLABEL_H_
49 #define _SYS_SUN_DISKLABEL_H_
50
51 /*
52 * SunOS/Solaris disk label layout (partial).
53 *
54 * Suns disk label format contains a lot of historical baggage which we
55 * ignore entirely. The structure below contains the relevant bits and the
56 * _enc/_dec functions encode/decode only these fields.
57 */
58
59 #define SUN_DKMAGIC 55998
60 #define SUN_NPART 8
61 #define SUN_RAWPART 2
62 #define SUN_SIZE 512
63 /*
64 * XXX: I am actually not sure if this should be "16 sectors" or "8192 bytes".
65 * XXX: Considering that Sun went to the effort of getting 512 byte compatible
66 * XXX: CDROM drives produced my guess is that Sun computers stand little or
67 * XXX: even no chance of running, much less booting on !=512 byte media.
68 * XXX: Define this is in terms of bytes since that is easier for us.
69 */
70 #define SUN_BOOTSIZE 8192
71
72 /* partition info */
73 struct sun_dkpart {
74 u_int32_t sdkp_cyloffset; /* starting cylinder */
75 u_int32_t sdkp_nsectors; /* number of sectors */
76 };
77
78 struct sun_disklabel {
79 char sl_text[128];
80 u_int16_t sl_rpm; /* rotational speed */
81 u_int16_t sl_pcylinders; /* number of physical cyls */
82 u_int16_t sl_sparespercyl; /* spare sectors per cylinder */
83 u_int16_t sl_interleave; /* interleave factor */
84 u_int16_t sl_ncylinders; /* data cylinders */
85 u_int16_t sl_acylinders; /* alternate cylinders */
86 u_int16_t sl_ntracks; /* tracks per cylinder */
87 u_int16_t sl_nsectors; /* sectors per track */
88 struct sun_dkpart sl_part[SUN_NPART]; /* partition layout */
89 u_int16_t sl_magic; /* == SUN_DKMAGIC */
90 };
91
92 int sunlabel_dec(void const *pp, struct sun_disklabel *sl);
93 void sunlabel_enc(void *pp, struct sun_disklabel *sl);
94
95 #endif /* _SYS_SUN_DISKLABEL_H_ */
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