1/*- 2 * Copyright (c) 1987, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#ifndef _SYS_DISK_MBR_H_ 31#define _SYS_DISK_MBR_H_ 32 33#include <sys/types.h> 34 35#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ 36#define DOSDSNOFF 440 /* WinNT/2K/XP Drive Serial Number offset */ 37#define DOSPARTOFF 446 38#define DOSPARTSIZE 16 39#define NDOSPART 4 40#define NEXTDOSPART 32 41#define DOSMAGICOFFSET 510 42#define DOSMAGIC 0xAA55 43 44#define DOSPTYP_EXT 0x05 /* DOS extended partition */ 45#define DOSPTYP_FAT16 0x06 /* FAT16 partition */ 46#define DOSPTYP_NTFS 0x07 /* NTFS partition */ 47#define DOSPTYP_FAT32 0x0b /* FAT32 partition */ 48#define DOSPTYP_FAT32LBA 0x0c /* FAT32 with LBA partition */ 49#define DOSPTYP_EXTLBA 0x0f /* DOS extended partition */ 50#define DOSPTYP_PPCBOOT 0x41 /* PReP/CHRP boot partition */ 51#define DOSPTYP_LDM 0x42 /* Win2k dynamic extended partition */ 52#define DOSPTYP_DFLYBSD 0x6c /* DragonFlyBSD partition type */ 53#define DOSPTYP_LINSWP 0x82 /* Linux swap partition */ 54#define DOSPTYP_LINUX 0x83 /* Linux partition */ 55#define DOSPTYP_LINLVM 0x8e /* Linux LVM partition */ 56#define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ 57#define DOSPTYP_APPLE_UFS 0xa8 /* Apple Mac OS X boot */ 58#define DOSPTYP_APPLE_BOOT 0xab /* Apple Mac OS X UFS */ 59#define DOSPTYP_HFS 0xaf /* HFS/HFS+ partition type */ 60#define DOSPTYP_PMBR 0xee /* GPT Protective MBR */ 61#define DOSPTYP_EFI 0xef /* EFI FAT parition */ 62#define DOSPTYP_VMFS 0xfb /* VMware VMFS partition */ 63#define DOSPTYP_VMKDIAG 0xfc /* VMware vmkDiagnostic partition */ 64#define DOSPTYP_LINRAID 0xfd /* Linux raid partition */ 65 66struct dos_partition { 67 unsigned char dp_flag; /* bootstrap flags */ 68 unsigned char dp_shd; /* starting head */ 69 unsigned char dp_ssect; /* starting sector */ 70 unsigned char dp_scyl; /* starting cylinder */ 71 unsigned char dp_typ; /* partition type */ 72 unsigned char dp_ehd; /* end head */ 73 unsigned char dp_esect; /* end sector */ 74 unsigned char dp_ecyl; /* end cylinder */ 75 uint32_t dp_start; /* absolute starting sector number */ 76 uint32_t dp_size; /* partition size in sectors */ 77}; 78#ifdef CTASSERT 79CTASSERT(sizeof (struct dos_partition) == DOSPARTSIZE); 80#endif 81 82#define DPSECT(s) ((s) & 0x3f) /* isolate relevant bits of sector */ 83#define DPCYL(c, s) ((c) + (((s) & 0xc0)<<2)) /* and those that are cylinder */ 84 85#endif /* !_SYS_DISK_MBR_H_ */ 86