109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/*-
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* Copyright (c) 2008 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _SYS_VTOC_H_
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#define _SYS_VTOC_H_
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#define VTOC_TAG_UNASSIGNED 0x00
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#define VTOC_TAG_BOOT 0x01
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#define VTOC_TAG_ROOT 0x02
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#define VTOC_TAG_SWAP 0x03
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#define VTOC_TAG_USR 0x04
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#define VTOC_TAG_BACKUP 0x05 /* "c" partition */
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#define VTOC_TAG_STAND 0x06
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#define VTOC_TAG_VAR 0x07
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#define VTOC_TAG_HOME 0x08
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#define VTOC_TAG_ALTSCTR 0x09 /* alternate sector partition */
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#define VTOC_TAG_CACHE 0x0a /* Solaris cachefs partition */
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#define VTOC_TAG_VXVM_PUB 0x0e /* VxVM public region */
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#define VTOC_TAG_VXVM_PRIV 0x0f /* VxVM private region */
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/* NetBSD/mips defines this */
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#define VTOC_TAG_NETBSD_FFS 0xff
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/* FreeBSD tags: the high byte equals ELFOSABI_FREEBSD */
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#define VTOC_TAG_FREEBSD_SWAP 0x0901
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#define VTOC_TAG_FREEBSD_UFS 0x0902
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#define VTOC_TAG_FREEBSD_VINUM 0x0903
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#define VTOC_TAG_FREEBSD_ZFS 0x0904
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#define VTOC_TAG_FREEBSD_NANDFS 0x0905
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#define VTOC_FLAG_UNMNT 0x01 /* unmountable partition */
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#define VTOC_FLAG_RDONLY 0x10 /* partition is read/only */
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#define VTOC_ASCII_LEN 128
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#define VTOC_BOOTSIZE 8192 /* 16 sectors */
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#define VTOC_MAGIC 0xdabe
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#define VTOC_RAW_PART 2
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#define VTOC_SANITY 0x600ddeee
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#define VTOC_VERSION 1
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#define VTOC_VOLUME_LEN 8
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#define VTOC8_NPARTS 8
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struct vtoc8 {
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char ascii[VTOC_ASCII_LEN];
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uint32_t version;
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char volume[VTOC_VOLUME_LEN];
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uint16_t nparts;
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struct {
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uint16_t tag;
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uint16_t flag;
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} part[VTOC8_NPARTS] __packed;
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uint16_t __alignment;
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uint32_t bootinfo[3];
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uint32_t sanity;
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uint32_t reserved[10];
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uint32_t timestamp[VTOC8_NPARTS];
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uint16_t wskip;
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uint16_t rskip;
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char padding[152];
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uint16_t rpm;
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uint16_t physcyls;
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uint16_t sparesecs;
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uint16_t spare1[2];
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uint16_t interleave;
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uint16_t ncyls;
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uint16_t altcyls;
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uint16_t nheads;
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uint16_t nsecs;
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uint16_t spare2[2];
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struct {
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uint32_t cyl;
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uint32_t nblks;
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} map[VTOC8_NPARTS];
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uint16_t magic;
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uint16_t cksum;
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} __packed;
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#ifdef CTASSERT
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CTASSERT(sizeof(struct vtoc8) == 512);
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#endif
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#endif /* _SYS_VTOC_H_ */
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