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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_BLK0 0 /* blkno of boot block */
39#define DISK_BLK0SZ 512 /* size of boot block */
40#define DISK_BOOTSZ 446 /* size of boot code in boot block */
41#define DISK_SIGNATURE0xAA55/* signature of the boot record */
42#define FDISK_NPART 4 /* number of entries in fdisk table */
43#define FDISK_ACTIVE0x80/* indicator of active partition */
44
45
46#define FDISK_DOS12 0x01/* 12-bit fat < 10MB dos partition */
47#define FDISK_DOS16S0x04/* 16-bit fat < 32MB dos partition */
48#define FDISK_DOS16B0x06/* 16-bit fat >= 32MB dos partition */
49#define FDISK_NTFS 0x07/* NTFS partition */
50#define FDISK_DOS32 0x0B/* DOS FAT32 partition */
51#define FDISK_FAT32 0x0C/* Win FAT32 partition */
52#define FDISK_FAT16 0x0E /* Win 16-bit FAT, LBA-mapped */
53#define FDISK_WIN_LDM 0x42/* NTFS partition */
54#define FDISK_LINUX_SWAP 0x82 /* Linux swap */
55#define FDISK_LINUX 0x83 /* Linux native */
56#define FDISK_LINUX_LVM 0x8E /* Linux LVM */
57#define FDISK_FREEBSD0xA5 /* FreeBSD UFS2 partition */
58#define FDISK_OPENBSD0xA6 /* OpenBSD FFS partition */
59#define FDISK_NEXTNAME0xA7/* Indicator of NeXT partition */
60#define FDISK_UFS 0xA8/* Apple UFS partition */
61#define FDISK_NETBSD0xA9 /* NetBSD disk label */
62#define FDISK_BOOTER0xAB/* Apple booter partition */
63#define FDISK_ENCRYPTED0xAE/* Apple encrypted */
64#define FDISK_HFS 0xAF/* Apple HFS partition */
65#define FDISK_BEFS 0xEB /* Haiku BeFS partition */
66#define FDISK_LINUX_RAID 0xFD /* Linux RAID */
67#define FDISK_PSEUDO_EXFAT0x107/* Shared with FDISK_NTFS */
68
69/*
70 * Format of fdisk partion entry (if present).
71 */
72struct fdisk_part {
73unsigned char bootid; /* bootable or not */
74unsigned char beghead; /* begining head, sector, cylinder */
75unsigned char begsect; /* begcyl is a 10-bit number */
76unsigned char begcyl; /* High 2 bits are in begsect */
77unsigned char systid; /* OS type */
78unsigned char endhead; /* ending head, sector, cylinder */
79unsigned char endsect; /* endcyl is a 10-bit number */
80unsigned char endcyl; /* High 2 bits are in endsect */
81unsigned long relsect; /* partion physical offset on disk */
82unsigned long numsect; /* number of sectors in partition */
83} __attribute__((packed));
84
85/*
86 * Format of boot block.
87 */
88struct disk_blk0 {
89unsigned char bootcode[DISK_BOOTSZ];
90unsigned char parts[FDISK_NPART][sizeof (struct fdisk_part)];
91unsigned short signature;
92};
93
94struct REAL_disk_blk0 {
95unsigned char bootcode[DISK_BOOTSZ];
96struct fdisk_part parts[FDISK_NPART];
97unsigned short signature;
98} __attribute__((packed));
99
100#endif /* !__LIBSAIO_FDISK_H */
101

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