/*- * Copyright (c) 1987, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)disklabel.h 8.2 (Berkeley) 7/10/94 * $FreeBSD: src/sys/sys/diskmbr.h,v 1.99.2.1 2005/01/31 23:26:56 imp Exp $ */ #ifndef _SYS_DISKMBR_H_ #define _SYS_DISKMBR_H_ #define DOSBBSECTOR 0 /* DOS boot block relative sector number */ #define DOSPARTOFF 446 #define DOSPARTSIZE 16 #define NDOSPART 4 #define NEXTDOSPART 32 #define DOSMAGICOFFSET 510 #define DOSMAGIC 0xAA55 #define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ #define DOSPTYP_LINSWP 0x82 /* Linux swap partition */ #define DOSPTYP_LINUX 0x83 /* Linux partition */ #define DOSPTYP_PMBR 0xee /* GPT Protective MBR */ #define DOSPTYP_EXT 5 /* DOS extended partition */ #define DOSPTYP_EXTLBA 15 /* DOS extended partition */ struct dos_partition { unsigned char dp_flag; /* bootstrap flags */ unsigned char dp_shd; /* starting head */ unsigned char dp_ssect; /* starting sector */ unsigned char dp_scyl; /* starting cylinder */ unsigned char dp_typ; /* partition type */ unsigned char dp_ehd; /* end head */ unsigned char dp_esect; /* end sector */ unsigned char dp_ecyl; /* end cylinder */ u_int32_t dp_start; /* absolute starting sector number */ u_int32_t dp_size; /* partition size in sectors */ }; #ifdef CTASSERT CTASSERT(sizeof (struct dos_partition) == DOSPARTSIZE); #endif void dos_partition_dec(void const *pp, struct dos_partition *d); void dos_partition_enc(void *pp, struct dos_partition *d); #define DPSECT(s) ((s) & 0x3f) /* isolate relevant bits of sector */ #define DPCYL(c, s) ((c) + (((s) & 0xc0)<<2)) /* and those that are cylinder */ #define DIOCSMBR _IOW('M', 129, u_char[512]) #endif /* !_SYS_DISKMBR_H_ */