| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| |
| /* |
| * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| /* Copyright (c) 1984, 1986, 1987, 1988 AT&T */ |
| /* All Rights Reserved */ |
| |
| |
| #ifndef _SYS_DKTP_FDISK_H |
| #define _SYS_DKTP_FDISK_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * fdisk.h |
| * This file defines the structure of physical disk sector 0 for use on |
| * AT386 systems. The format of this sector is constrained by the ROM |
| * BIOS and MS-DOS conventions. |
| * Note that this block does not define the partitions used by the unix |
| * driver. The unix partitions are obtained from the VTOC. |
| */ |
| |
| /* |
| * the MAX values are the maximum usable values for BIOS chs values |
| * The MAX_CYL value of 1022 is the maximum usable value |
| * the value of 1023 is a fence value, |
| * indicating no CHS geometry exists for the corresponding LBA value. |
| * HEAD range [ 0 .. MAX_HEAD ], so number of heads is (MAX_HEAD + 1) |
| * SECT range [ 1 .. MAX_SECT ], so number of sectors is (MAX_SECT) |
| */ |
| #define MAX_SECT (63) |
| #define MAX_CYL (1022) |
| #define MAX_HEAD (254) |
| |
| /* |
| * BOOTSZ was reduced from 446 to 440 bytes to NOT overwrite the Windows |
| * Vista DISKID. Otherwise Vista won't boot from Solaris GRUB in a dual-boot |
| * setup. |
| * The actual size of mboot code is 425 bytes while that of GRUB stage1 is |
| * 423 bytes. So this changes does not harm them. |
| */ |
| #define BOOTSZ 440 /* size of boot code in master boot block */ |
| #define FD_NUMPART 4 /* number of 'partitions' in fdisk table */ |
| #define MBB_MAGIC 0xAA55 /* magic number for mboot.signature */ |
| #define DEFAULT_INTLV 4 /* default interleave for testing tracks */ |
| #define MINPSIZE 4 /* minimum number of cylinders in a partition */ |
| #define TSTPAT 0xE5 /* test pattern for verifying disk */ |
| |
| /* |
| * structure to hold the fdisk partition table |
| */ |
| struct ipart { |
| unsigned char bootid; /* bootable or not */ |
| unsigned char beghead; /* beginning head, sector, cylinder */ |
| unsigned char begsect; /* begcyl is a 10-bit number. High 2 bits */ |
| unsigned char begcyl; /* are in begsect. */ |
| unsigned char systid; /* OS type */ |
| unsigned char endhead; /* ending head, sector, cylinder */ |
| unsigned char endsect; /* endcyl is a 10-bit number. High 2 bits */ |
| unsigned char endcyl; /* are in endsect. */ |
| uint32_t relsect; /* first sector relative to start of disk */ |
| uint32_t numsect; /* number of sectors in partition */ |
| }; |
| /* |
| * Values for bootid. |
| */ |
| #define NOTACTIVE 0 |
| #define ACTIVE 128 |
| /* |
| * Values for systid. |
| */ |
| #define UNUSED 0 /* Empty Partition */ |
| #define DOSOS12 1 /* DOS partition, 12-bit FAT */ |
| #define PCIXOS 2 /* PC/IX partition */ |
| #define DOSOS16 4 /* DOS partition, 16-bit FAT */ |
| #define EXTDOS 5 /* EXT-DOS partition */ |
| #define DOSHUGE 6 /* Huge DOS partition > 32MB */ |
| #define FDISK_IFS 7 /* Installable File System (IFS): HPFS & NTFS */ |
| #define FDISK_AIXBOOT 8 /* AIX Boot */ |
| #define FDISK_AIXDATA 9 /* AIX Data */ |
| #define FDISK_OS2BOOT 10 /* OS/2 Boot Manager */ |
| #define FDISK_WINDOWS 11 /* Windows 95 FAT32 (up to 2047GB) */ |
| #define FDISK_EXT_WIN 12 /* Windows 95 FAT32 (extended-INT13) */ |
| #define FDISK_FAT95 14 /* DOS 16-bit FAT, LBA-mapped */ |
| #define FDISK_EXTLBA 15 /* Extended partition, LBA-mapped */ |
| #define DIAGPART 18 /* Diagnostic boot partition (OS independent) */ |
| #define FDISK_LINUX 65 /* Linux */ |
| #define FDISK_LINUXDSWAP 66 /* Linux swap (sharing disk w/ DRDOS) */ |
| #define FDISK_LINUXDNAT 67 /* Linux native (sharing disk with DRDOS) */ |
| #define FDISK_CPM 82 /* CP/M */ |
| #define DOSDATA 86 /* DOS data partition */ |
| #define OTHEROS 98 /* part. type for appl. (DB?) needs */ |
| /* raw partition. ID was 0 but conflicted */ |
| /* with DOS 3.3 fdisk */ |
| #define UNIXOS 99 /* UNIX V.x partition */ |
| #define FDISK_NOVELL2 100 /* Novell Netware 286 */ |
| #define FDISK_NOVELL3 101 /* Novell Netware 3.x and later */ |
| #define FDISK_QNX4 119 /* QNX 4.x */ |
| #define FDISK_QNX42 120 /* QNX 4.x 2nd part */ |
| #define FDISK_QNX43 121 /* QNX 4.x 3rd part */ |
| #define SUNIXOS 130 /* Solaris UNIX partition */ |
| #define FDISK_LINUXNAT 131 /* Linux native */ |
| #define FDISK_NTFSVOL1 134 /* NTFS volume set 1 */ |
| #define FDISK_NTFSVOL2 135 /* NTFS volume set 2 */ |
| #define FDISK_BSD 165 /* BSD/386, 386BSD, NetBSD, FreeBSD, OpenBSD */ |
| #define FDISK_NEXTSTEP 167 /* NeXTSTEP */ |
| #define FDISK_BSDIFS 183 /* BSDI file system */ |
| #define FDISK_BSDISWAP 184 /* BSDI swap */ |
| #define X86BOOT 190 /* x86 Solaris boot partition */ |
| #define SUNIXOS2 191 /* Solaris UNIX partition */ |
| #define EFI_PMBR 238 /* EFI PMBR */ |
| #define EFI_FS 239 /* EFI File System (System Partition) */ |
| #define MAXDOS 65535L /* max size (sectors) for DOS partition */ |
| |
| /* |
| * structure to hold master boot block in physical sector 0 of the disk. |
| * Note that partitions stuff can't be directly included in the structure |
| * because of lameo '386 compiler alignment design. |
| * Alignment issues also force us to have 2 16bit entities for a single |
| * 32bit win_volserno. It is not used anywhere anyway. |
| */ |
| |
| struct mboot { /* master boot block */ |
| char bootinst[BOOTSZ]; |
| uint16_t win_volserno_lo; |
| uint16_t win_volserno_hi; |
| uint16_t reserved; |
| char parts[FD_NUMPART * sizeof (struct ipart)]; |
| ushort_t signature; |
| }; |
| |
| #if defined(__i386) || defined(__amd64) |
| |
| /* Byte offset of the start of the partition table within the sector */ |
| #define FDISK_PART_TABLE_START 446 |
| |
| /* Maximum number of valid partitions assumed as 32 */ |
| #define MAX_EXT_PARTS 32 |
| |
| #else |
| |
| #define MAX_EXT_PARTS 0 |
| |
| #endif /* if defined(__i386) || defined(__amd64) */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _SYS_DKTP_FDISK_H */ |