| 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_SIGNATURE␉␉0xAA55␉/* signature of the boot record */␊ |
| 42 | #define FDISK_NPART 4 /* number of entries in fdisk table */␊ |
| 43 | #define FDISK_ACTIVE␉␉0x80␉/* indicator of active partition */␊ |
| 44 | ␊ |
| 45 | #define FDISK_NEXTNAME␉␉0xA7␉/* indicator of NeXT partition */␊ |
| 46 | #define FDISK_DOS12 0x01␉/* 12-bit fat < 10MB dos partition */␊ |
| 47 | #define FDISK_DOS16S␉␉0x04␉/* 16-bit fat < 32MB dos partition */␊ |
| 48 | #define FDISK_DOSEXT␉␉0x05␉/* extended DOS partition */␊ |
| 49 | #define FDISK_DOS16B␉␉0x06␉/* 16-bit fat >= 32MB dos partition */␊ |
| 50 | #define FDISK_NTFS 0x07␉/* NTFS partition */␊ |
| 51 | #define FDISK_SMALLFAT32␉0x0b␉/* FAT32 partition */␊ |
| 52 | #define FDISK_FAT32 0x0c␉/* FAT32 partition */␊ |
| 53 | #define FDISK_DOS16SLBA␉␉0x0e /* 16-bit FAT, LBA-mapped */␊ |
| 54 | #define FDISK_LINUX 0x83 /* Linux native */␊ |
| 55 | #define FDISK_OPENBSD␉␉0xa6 /* OpenBSD FFS partition */␊ |
| 56 | #define FDISK_FREEBSD␉␉0xa5 /* FreeBSD UFS2 partition */␊ |
| 57 | #define FDISK_BEFS 0xeb /* Haiku BeFS partition */␊ |
| 58 | #define FDISK_UFS 0xa8␉/* Apple UFS partition */␊ |
| 59 | #define FDISK_HFS 0xaf␉/* Apple HFS partition */␊ |
| 60 | #define FDISK_BOOTER␉␉0xab␉/* Apple booter partition */␊ |
| 61 | ␊ |
| 62 | /*␊ |
| 63 | * Format of fdisk partion entry (if present).␊ |
| 64 | */␊ |
| 65 | struct fdisk_part {␊ |
| 66 | ␉unsigned char bootid; /* bootable or not */␊ |
| 67 | ␉unsigned char beghead; /* begining head, sector, cylinder */␊ |
| 68 | ␉unsigned char begsect; /* begcyl is a 10-bit number */␊ |
| 69 | ␉unsigned char begcyl; /* High 2 bits are in begsect */␊ |
| 70 | ␉unsigned char systid; /* OS type */␊ |
| 71 | ␉unsigned char endhead; /* ending head, sector, cylinder */␊ |
| 72 | ␉unsigned char endsect; /* endcyl is a 10-bit number */␊ |
| 73 | ␉unsigned char endcyl; /* High 2 bits are in endsect */␊ |
| 74 | ␉unsigned long relsect; /* partion physical offset on disk */␊ |
| 75 | ␉unsigned long numsect; /* number of sectors in partition */␊ |
| 76 | } __attribute__((packed));␊ |
| 77 | ␊ |
| 78 | /*␊ |
| 79 | * Format of boot block.␊ |
| 80 | */␊ |
| 81 | struct disk_blk0 {␊ |
| 82 | ␉unsigned char bootcode[DISK_BOOTSZ];␊ |
| 83 | ␉unsigned char parts[FDISK_NPART][sizeof (struct fdisk_part)];␊ |
| 84 | ␉unsigned short signature;␊ |
| 85 | };␊ |
| 86 | ␊ |
| 87 | struct REAL_disk_blk0 {␊ |
| 88 | ␉unsigned char bootcode[DISK_BOOTSZ];␊ |
| 89 | ␉struct fdisk_part parts[FDISK_NPART];␊ |
| 90 | ␉unsigned short signature;␊ |
| 91 | } __attribute__((packed));␊ |
| 92 | ␊ |
| 93 | #endif /* !__LIBSAIO_FDISK_H */␊ |
| 94 | |
