/* $OpenBSD: disklabel.h,v 1.6 2006/07/07 23:47:37 krw Exp $ */ /* $NetBSD: disklabel.h,v 1.1 1995/02/13 23:07:34 cgd Exp $ */ /* * Copyright (c) 1994 Christopher G. Demetriou * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #ifndef _MACHINE_DISKLABEL_H_ #define _MACHINE_DISKLABEL_H_ #define HPPA_LABELSECTOR 1 /* sector containing label */ #define HPPA_LABELOFFSET 0 /* offset of label in sector */ #define I386_LABELSECTOR 1 /* sector containing label */ #define I386_LABELOFFSET 0 /* offset of label in sector */ #define LABELSECTOR HPPA_LABELSECTOR #define LABELOFFSET HPPA_LABELOFFSET #define MAXPARTITIONS 16 /* number of partitions */ #define RAW_PART 2 /* raw partition: xx?c */ /* DOS partition table -- located in boot block */ #define DOSBBSECTOR 0 /* DOS boot block relative sector # */ #define DOSPARTOFF 446 #define DOSACTIVE 0x80 #define NDOSPART 4 #define DOSMBR_SIGNATURE 0xaa55 #define DOSMBR_SIGNATURE_OFF 0x1fe struct dos_partition { u_int8_t dp_flag; /* bootstrap flags */ u_int8_t dp_shd; /* starting head */ u_int8_t dp_ssect; /* starting sector */ u_int8_t dp_scyl; /* starting cylinder */ u_int8_t dp_typ; /* partition type (see below) */ u_int8_t dp_ehd; /* end head */ u_int8_t dp_esect; /* end sector */ u_int8_t dp_ecyl; /* end cylinder */ u_int32_t dp_start; /* absolute starting sector number */ u_int32_t dp_size; /* partition size in sectors */ }; /* Known DOS partition types. */ #define DOSPTYP_UNUSED 0x00 /* Unused partition */ #define DOSPTYP_FAT12 0x01 /* 12-bit FAT */ #define DOSPTYP_FAT16S 0x04 /* 16-bit FAT, less than 32M */ #define DOSPTYP_EXTEND 0x05 /* Extended; contains sub-partitions */ #define DOSPTYP_FAT16B 0x06 /* 16-bit FAT, more than 32M */ #define DOSPTYP_FAT32 0x0b /* 32-bit FAT */ #define DOSPTYP_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */ #define DOSPTYP_FAT16L 0x0e /* 16-bit FAT, LBA-mapped */ #define DOSPTYP_EXTENDL 0x0f /* Extended, LBA-mapped; contains sub-partitions */ #define DOSPTYP_ONTRACK 0x54 #define DOSPTYP_LINUX 0x83 /* That other thing */ #define DOSPTYP_FREEBSD 0xa5 /* FreeBSD partition type */ #define DOSPTYP_OPENBSD 0xa6 /* OpenBSD partition type */ #define DOSPTYP_NETBSD 0xa9 /* NetBSD partition type */ /* Isolate the relevant bits to get sector and cylinder. */ #define DPSECT(s) ((s) & 0x3f) #define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2)) /* * volume header for "LIF" format volumes */ struct lifvol { short vol_id; char vol_label[6]; u_int vol_addr; short vol_oct; short vol_dummy; u_int vol_dirsize; short vol_version; short vol_zero; u_int vol_number; u_int vol_lastvol; u_int vol_length; char vol_toc[6]; char vol_dummy1[198]; u_int ipl_addr; u_int ipl_size; u_int ipl_entry; u_int vol_dummy2; }; struct lifdir { char dir_name[10]; u_short dir_type; u_int dir_addr; u_int dir_length; char dir_toc[6]; short dir_flag; u_int dir_implement; }; struct lif_load { int address; int count; }; #define HPUX_MAGIC 0x8b7f6a3c #define HPUX_MAXPART 16 struct hpux_label { int32_t hl_magic1; u_int32_t hl_magic; int32_t hl_version; struct { int32_t hlp_blah[2]; int32_t hlp_start; int32_t hlp_length; } hl_parts[HPUX_MAXPART]; u_int8_t hl_flags[HPUX_MAXPART]; #define HPUX_PART_ROOT 0x10 #define HPUX_PART_SWAP 0x14 #define HPUX_PART_BOOT 0x32 int32_t hl_blah[3*16]; u_int16_t hl_boot; u_int16_t hl_reserved; int32_t hl_magic2; }; #define LIF_VOL_ID -32768 #define LIF_VOL_OCT 4096 #define LIF_DIR_SWAP 0x5243 #define LIF_DIR_HPLBL 0xa271 #define LIF_DIR_FS 0xcd38 #define LIF_DIR_IOMAP 0xcd60 #define LIF_DIR_HPUX 0xcd80 #define LIF_DIR_ISL 0xce00 #define LIF_DIR_PAD 0xcffe #define LIF_DIR_AUTO 0xcfff #define LIF_DIR_EST 0xd001 #define LIF_DIR_TYPE 0xe942 #define LIF_DIR_FLAG 0x8001 /* dont ask me! */ #define LIF_SECTSIZE 256 #define LIF_NUMDIR 16 #define LIF_VOLSTART 0 #define LIF_VOLSIZE sizeof(struct lifvol) #define LIF_DIRSTART 2048 #define LIF_DIRSIZE (LIF_NUMDIR * sizeof(struct lifdir)) #define LIF_FILESTART 8192 #define btolifs(b) (((b) + (LIF_SECTSIZE - 1)) / LIF_SECTSIZE) #define lifstob(s) ((s) * LIF_SECTSIZE) #define lifstodb(s) ((s) * LIF_SECTSIZE / DEV_BSIZE) #include struct cpu_disklabel { int labelsector; union { struct { struct dos_partition dosparts[NDOSPART]; struct dkbad bad; } _i386; struct { struct lifvol lifvol; struct lifdir lifdir[LIF_NUMDIR]; struct hpux_label hplabel; } _hppa; } u; }; #define DKBAD(x) ((x)->u._i386.bad) #endif /* _MACHINE_DISKLABEL_H_ */