1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* Copyright (c) 1984, 1986, 1987, 1988 AT&T */ 27 /* All Rights Reserved */ 28 29 30 #ifndef _SYS_DKTP_FDISK_H 31 #define _SYS_DKTP_FDISK_H 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * fdisk.h 41 * This file defines the structure of physical disk sector 0 for use on 42 * AT386 systems. The format of this sector is constrained by the ROM 43 * BIOS and MS-DOS conventions. 44 * Note that this block does not define the partitions used by the unix 45 * driver. The unix partitions are obtained from the VTOC. 46 */ 47 48 #define BOOTSZ 446 /* size of boot code in master boot block */ 49 #define FD_NUMPART 4 /* number of 'partitions' in fdisk table */ 50 #define MBB_MAGIC 0xAA55 /* magic number for mboot.signature */ 51 #define DEFAULT_INTLV 4 /* default interleave for testing tracks */ 52 #define MINPSIZE 4 /* minimum number of cylinders in a partition */ 53 #define TSTPAT 0xE5 /* test pattern for verifying disk */ 54 55 /* 56 * structure to hold the fdisk partition table 57 */ 58 struct ipart { 59 unsigned char bootid; /* bootable or not */ 60 unsigned char beghead; /* beginning head, sector, cylinder */ 61 unsigned char begsect; /* begcyl is a 10-bit number. High 2 bits */ 62 unsigned char begcyl; /* are in begsect. */ 63 unsigned char systid; /* OS type */ 64 unsigned char endhead; /* ending head, sector, cylinder */ 65 unsigned char endsect; /* endcyl is a 10-bit number. High 2 bits */ 66 unsigned char endcyl; /* are in endsect. */ 67 int relsect; /* first sector relative to start of disk */ 68 int numsect; /* number of sectors in partition */ 69 }; 70 /* 71 * Values for bootid. 72 */ 73 #define NOTACTIVE 0 74 #define ACTIVE 128 75 /* 76 * Values for systid. 77 */ 78 #define DOSOS12 1 /* DOS partition, 12-bit FAT */ 79 #define PCIXOS 2 /* PC/IX partition */ 80 #define DOSOS16 4 /* DOS partition, 16-bit FAT */ 81 #define EXTDOS 5 /* EXT-DOS partition */ 82 #define DOSHUGE 6 /* Huge DOS partition > 32MB */ 83 #define FDISK_IFS 7 /* Installable File System (IFS): HPFS & NTFS */ 84 #define FDISK_AIXBOOT 8 /* AIX Boot */ 85 #define FDISK_AIXDATA 9 /* AIX Data */ 86 #define FDISK_OS2BOOT 10 /* OS/2 Boot Manager */ 87 #define FDISK_WINDOWS 11 /* Windows 95 FAT32 (up to 2047GB) */ 88 #define FDISK_EXT_WIN 12 /* Windows 95 FAT32 (extended-INT13) */ 89 #define FDISK_FAT95 14 /* DOS 16-bit FAT, LBA-mapped */ 90 #define FDISK_EXTLBA 15 /* Extended partition, LBA-mapped */ 91 #define DIAGPART 18 /* Diagnostic boot partition (OS independent) */ 92 #define FDISK_LINUX 65 /* Linux */ 93 #define FDISK_LINUXDSWAP 66 /* Linux swap (sharing disk w/ DRDOS) */ 94 #define FDISK_LINUXDNAT 67 /* Linux native (sharing disk with DRDOS) */ 95 #define FDISK_CPM 82 /* CP/M */ 96 #define DOSDATA 86 /* DOS data partition */ 97 #define OTHEROS 98 /* part. type for appl. (DB?) needs */ 98 /* raw partition. ID was 0 but conflicted */ 99 /* with DOS 3.3 fdisk */ 100 #define UNIXOS 99 /* UNIX V.x partition */ 101 #define UNUSED 100 /* unassigned partition */ 102 #define FDISK_NOVELL3 101 /* Novell Netware 3.x and later */ 103 #define FDISK_QNX4 119 /* QNX 4.x */ 104 #define FDISK_QNX42 120 /* QNX 4.x 2nd part */ 105 #define FDISK_QNX43 121 /* QNX 4.x 3rd part */ 106 #define SUNIXOS 130 /* Solaris UNIX partition */ 107 #define FDISK_LINUXNAT 131 /* Linux native */ 108 #define FDISK_NTFSVOL1 134 /* NTFS volume set 1 */ 109 #define FDISK_NTFSVOL2 135 /* NTFS volume set 2 */ 110 #define FDISK_BSD 165 /* BSD/386, 386BSD, NetBSD, FreeBSD, OpenBSD */ 111 #define FDISK_NEXTSTEP 167 /* NeXTSTEP */ 112 #define FDISK_BSDIFS 183 /* BSDI file system */ 113 #define FDISK_BSDISWAP 184 /* BSDI swap */ 114 #define X86BOOT 190 /* x86 Solaris boot partition */ 115 #define SUNIXOS2 191 /* Solaris UNIX partition */ 116 #define EFI_PMBR 238 /* EFI PMBR */ 117 #define EFI_FS 239 /* EFI File System (System Partition) */ 118 #define MAXDOS 65535L /* max size (sectors) for DOS partition */ 119 120 /* 121 * structure to hold master boot block in physical sector 0 of the disk. 122 * Note that partitions stuff can't be directly included in the structure 123 * because of lameo '386 compiler alignment design. 124 */ 125 126 struct mboot { /* master boot block */ 127 char bootinst[BOOTSZ]; 128 char parts[FD_NUMPART * sizeof (struct ipart)]; 129 ushort_t signature; 130 }; 131 132 #ifdef __cplusplus 133 } 134 #endif 135 136 #endif /* _SYS_DKTP_FDISK_H */ 137