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1/*
2 * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 2.0 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24/*
25 * Copyright (c) 1992 NeXT Computer, Inc.
26 *
27 * IBM PC disk partitioning data structures.
28 *
29 * HISTORY
30 *
31 * 8 July 1992 David E. Bohman at NeXT
32 * Created.
33 */
34
35#ifndef __LIBSAIO_FDISK_H
36#define __LIBSAIO_FDISK_H
37
38#define DISK_BLK00 /* blkno of boot block */
39#define DISK_BLK0SZ512 /* size of boot block */
40#define DISK_BOOTSZ446 /* size of boot code in boot block */
41#define DISK_SIGNATURE0xAA55/* signature of the boot record */
42#define FDISK_NPART4 /* number of entries in fdisk table */
43#define FDISK_ACTIVE0x80/* indicator of active partition */
44#define FDISK_NEXTNAME0xA7/* indicator of NeXT partition */
45#define FDISK_DOS120x01/* 12-bit fat < 10MB dos partition */
46#define FDISK_DOS16S0x04/* 16-bit fat < 32MB dos partition */
47#define FDISK_DOSEXT0x05/* extended DOS partition */
48#define FDISK_DOS16B0x06/* 16-bit fat >= 32MB dos partition */
49#define FDISK_NTFS0x07/* NTFS partition */
50#define FDISK_SMALLFAT320x0b/* FAT32 partition */
51#define FDISK_FAT320x0c/* FAT32 partition */
52#define FDISK_DOS16SLBA0x0e /* 16-bit FAT, LBA-mapped */
53#define FDISK_LINUX0x83 /* Linux native */
54#define FDISK_OPENBSD0xa6 /* OpenBSD FFS partition */
55#define FDISK_FREEBSD0xa5 /* FreeBSD UFS2 partition */
56#define FDISK_BEFS0xeb /* Haiku BeFS partition */
57#define FDISK_UFS0xa8/* Apple UFS partition */
58#define FDISK_HFS0xaf/* Apple HFS partition */
59#define FDISK_BOOTER0xab/* Apple booter partition */
60#define FDISK_PSEUDO_EXFAT0x107/* Shared with FDISK_NTFS */
61
62/*
63 * Format of fdisk partion entry (if present).
64 */
65struct fdisk_part {
66unsigned char bootid; /* bootable or not */
67unsigned char beghead; /* begining head, sector, cylinder */
68unsigned char begsect; /* begcyl is a 10-bit number */
69unsigned char begcyl; /* High 2 bits are in begsect */
70unsigned char systid; /* OS type */
71unsigned char endhead; /* ending head, sector, cylinder */
72unsigned char endsect; /* endcyl is a 10-bit number */
73unsigned char endcyl; /* High 2 bits are in endsect */
74unsigned long relsect; /* partion physical offset on disk */
75unsigned long numsect; /* number of sectors in partition */
76} __attribute__((packed));
77
78/*
79 * Format of boot block.
80 */
81struct disk_blk0 {
82unsigned char bootcode[DISK_BOOTSZ];
83unsigned char parts[FDISK_NPART][sizeof (struct fdisk_part)];
84unsigned short signature;
85};
86
87struct REAL_disk_blk0 {
88unsigned char bootcode[DISK_BOOTSZ];
89struct fdisk_part parts[FDISK_NPART];
90unsigned short signature;
91} __attribute__((packed));
92
93#endif /* !__LIBSAIO_FDISK_H */
94

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