1 /*- 2 * Copyright (c) 2008 Marcel Moolenaar 3 * 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 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _SYS_DISK_VTOC_H_ 30 #define _SYS_DISK_VTOC_H_ 31 32 #include <sys/types.h> 33 34 #define VTOC_TAG_UNASSIGNED 0x00 35 #define VTOC_TAG_BOOT 0x01 36 #define VTOC_TAG_ROOT 0x02 37 #define VTOC_TAG_SWAP 0x03 38 #define VTOC_TAG_USR 0x04 39 #define VTOC_TAG_BACKUP 0x05 /* "c" partition */ 40 #define VTOC_TAG_STAND 0x06 41 #define VTOC_TAG_VAR 0x07 42 #define VTOC_TAG_HOME 0x08 43 #define VTOC_TAG_ALTSCTR 0x09 /* alternate sector partition */ 44 #define VTOC_TAG_CACHE 0x0a /* Solaris cachefs partition */ 45 #define VTOC_TAG_VXVM_PUB 0x0e /* VxVM public region */ 46 #define VTOC_TAG_VXVM_PRIV 0x0f /* VxVM private region */ 47 48 /* NetBSD/mips defines this */ 49 #define VTOC_TAG_NETBSD_FFS 0xff 50 51 /* FreeBSD tags: the high byte equals ELFOSABI_FREEBSD */ 52 #define VTOC_TAG_FREEBSD_SWAP 0x0901 53 #define VTOC_TAG_FREEBSD_UFS 0x0902 54 #define VTOC_TAG_FREEBSD_VINUM 0x0903 55 #define VTOC_TAG_FREEBSD_ZFS 0x0904 56 #define VTOC_TAG_FREEBSD_NANDFS 0x0905 57 58 #define VTOC_FLAG_UNMNT 0x01 /* unmountable partition */ 59 #define VTOC_FLAG_RDONLY 0x10 /* partition is read/only */ 60 61 #define VTOC_ASCII_LEN 128 62 #define VTOC_BOOTSIZE 8192 /* 16 sectors */ 63 #define VTOC_MAGIC 0xdabe 64 #define VTOC_RAW_PART 2 65 #define VTOC_SANITY 0x600ddeee 66 #define VTOC_VERSION 1 67 #define VTOC_VOLUME_LEN 8 68 69 #define VTOC8_NPARTS 8 70 71 struct vtoc8 { 72 char ascii[VTOC_ASCII_LEN]; 73 uint32_t version; 74 char volume[VTOC_VOLUME_LEN]; 75 uint16_t nparts; 76 struct { 77 uint16_t tag; 78 uint16_t flag; 79 } part[VTOC8_NPARTS]; 80 uint16_t __alignment; 81 uint32_t bootinfo[3]; 82 uint32_t sanity; 83 uint32_t reserved[10]; 84 uint32_t timestamp[VTOC8_NPARTS]; 85 uint16_t wskip; 86 uint16_t rskip; 87 char padding[152]; 88 uint16_t rpm; 89 uint16_t physcyls; 90 uint16_t sparesecs; 91 uint16_t spare1[2]; 92 uint16_t interleave; 93 uint16_t ncyls; 94 uint16_t altcyls; 95 uint16_t nheads; 96 uint16_t nsecs; 97 uint16_t spare2[2]; 98 struct { 99 uint32_t cyl; 100 uint32_t nblks; 101 } map[VTOC8_NPARTS]; 102 uint16_t magic; 103 uint16_t cksum; 104 }; 105 106 #ifdef CTASSERT 107 CTASSERT(sizeof(struct vtoc8) == 512); 108 #endif 109 110 #endif /* _SYS_DISK_VTOC_H_ */ 111