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/*-
* Copyright (c) 2008 Marcel Moolenaar
* 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.
*
* 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.
*
* $FreeBSD: release/9.1.0/sys/sys/vtoc.h 208777 2010-06-03 13:01:55Z marius $
*/
#ifndef _SYS_VTOC_H_
#define _SYS_VTOC_H_
#define VTOC_TAG_UNASSIGNED 0x00
#define VTOC_TAG_BOOT 0x01
#define VTOC_TAG_ROOT 0x02
#define VTOC_TAG_SWAP 0x03
#define VTOC_TAG_USR 0x04
#define VTOC_TAG_BACKUP 0x05 /* "c" partition */
#define VTOC_TAG_STAND 0x06
#define VTOC_TAG_VAR 0x07
#define VTOC_TAG_HOME 0x08
#define VTOC_TAG_ALTSCTR 0x09 /* alternate sector partition */
#define VTOC_TAG_CACHE 0x0a /* Solaris cachefs partition */
#define VTOC_TAG_VXVM_PUB 0x0e /* VxVM public region */
#define VTOC_TAG_VXVM_PRIV 0x0f /* VxVM private region */
/* NetBSD/mips defines this */
#define VTOC_TAG_NETBSD_FFS 0xff
/* FreeBSD tags: the high byte equals ELFOSABI_FREEBSD */
#define VTOC_TAG_FREEBSD_SWAP 0x0901
#define VTOC_TAG_FREEBSD_UFS 0x0902
#define VTOC_TAG_FREEBSD_VINUM 0x0903
#define VTOC_TAG_FREEBSD_ZFS 0x0904
#define VTOC_FLAG_UNMNT 0x01 /* unmountable partition */
#define VTOC_FLAG_RDONLY 0x10 /* partition is read/only */
#define VTOC_ASCII_LEN 128
#define VTOC_BOOTSIZE 8192 /* 16 sectors */
#define VTOC_MAGIC 0xdabe
#define VTOC_RAW_PART 2
#define VTOC_SANITY 0x600ddeee
#define VTOC_VERSION 1
#define VTOC_VOLUME_LEN 8
#define VTOC8_NPARTS 8
struct vtoc8 {
char ascii[VTOC_ASCII_LEN];
uint32_t version;
char volume[VTOC_VOLUME_LEN];
uint16_t nparts;
struct {
uint16_t tag;
uint16_t flag;
} part[VTOC8_NPARTS] __packed;
uint16_t __alignment;
uint32_t bootinfo[3];
uint32_t sanity;
uint32_t reserved[10];
uint32_t timestamp[VTOC8_NPARTS];
uint16_t wskip;
uint16_t rskip;
char padding[152];
uint16_t rpm;
uint16_t physcyls;
uint16_t sparesecs;
uint16_t spare1[2];
uint16_t interleave;
uint16_t ncyls;
uint16_t altcyls;
uint16_t nheads;
uint16_t nsecs;
uint16_t spare2[2];
struct {
uint32_t cyl;
uint32_t nblks;
} map[VTOC8_NPARTS];
uint16_t magic;
uint16_t cksum;
} __packed;
#ifdef CTASSERT
CTASSERT(sizeof(struct vtoc8) == 512);
#endif
#endif /* _SYS_VTOC_H_ */