1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* $NetBSD: disklabel.h,v 1.4 1995/11/30 00:58:03 jtc Exp $ */
/*
* Copyright (c) 1995 Leo Weppelman.
* All rights reserved.
*
* 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 Leo Weppelman.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef _MACHINE_DISKLABEL_H_
#define _MACHINE_DISKLABEL_H_
/*
* On a volume, exclusively used by NetBSD, the boot block starts at
* sector 0. To allow shared use of a volume between two or more OS's
* the vendor specific AHDI format is supported. In this case the boot
* block is located at the start of an AHDI partition. In any case the
* size of the boot block is 8KB, the disk label is at offset 7KB.
*/
#define LABELSECTOR 0 /* `natural' start of boot block */
#define LABELOFFSET (7 * 1024) /* offset of disklabel in bytes,
relative to start of boot block */
#define MAXPARTITIONS 16
#define RAW_PART 2 /* xx?c is raw partition */
#define MAX_TOS_ROOTS 61 /* max. # of auxilary root sectors */
struct cpu_disklabel {
u_int32_t cd_bblock; /* start of NetBSD boot block */
#define NO_BOOT_BLOCK ((u_int32_t) -1)
u_int32_t cd_bslst; /* start of TOS bad sector list */
u_int32_t cd_bslsize; /* size of TOS bad sector list */
u_int32_t cd_roots[MAX_TOS_ROOTS]; /* TOS root sectors */
};
#endif /* _MACHINE_DISKLABEL_H_ */
|
