1 /* $NetBSD: vtoc.h,v 1.3 2008/04/28 20:23:18 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _EWS4800MIPS_VTOC_H_ 33 #define _EWS4800MIPS_VTOC_H_ 34 35 /* Volume Table Of Contents */ 36 37 #define VTOC_MAXPARTITIONS 16 38 #define VTOC_SECTOR 1 /* sector */ 39 #define VTOC_MINSIZE 16 /* sector */ 40 41 #define VTOC_MAGIC 0x600ddeee 42 #define VTOC_VERSION 1 43 44 #define VTOC_TAG_NONAME 0x00 45 #define VTOC_TAG_BOOT 0x01 46 #define VTOC_TAG_ROOT 0x02 47 #define VTOC_TAG_SWAP 0x03 48 #define VTOC_TAG_USR 0x04 49 #define VTOC_TAG_RAWDISK 0x05 50 #define VTOC_TAG_STAND 0x06 /* bfs */ 51 #define VTOC_TAG_VAR 0x07 52 #define VTOC_TAG_HOME 0x08 53 #define __VTOC_TAG_BSDFFS 0xff /* ews4800mips port original define */ 54 55 #define VTOC_FLAG_UNMOUNT 0x01 56 #define VTOC_FLAG_RDONLY 0x10 57 58 struct ux_partition { 59 uint16_t tag; /* 0 */ 60 uint16_t flags; /* 2 */ 61 uint32_t start_sector; /* 4 */ 62 int32_t nsectors; /* 8 */ 63 } __attribute__((__packed__)); 64 65 /* Sector image */ 66 struct vtoc_sector { 67 uint32_t bootinfo[3]; /* 0 */ 68 uint32_t magic; /* 12 */ 69 uint32_t version; /* 16 */ 70 int8_t volume[8]; /* 20 */ 71 uint16_t sector_size_byte; /* 28 */ 72 uint16_t npartitions; /* 30 */ 73 uint32_t reserved[10]; /* 32 */ 74 struct ux_partition partition[VTOC_MAXPARTITIONS]; /* 72 */ 75 uint32_t timestamp[VTOC_MAXPARTITIONS]; /* 264 */ 76 int32_t padding[46]; /* 328 */ 77 } __attribute__((__packed__)); /* 512 byte */ 78 79 struct pdinfo_sector; 80 81 #if defined(_KERNEL) || defined(_STANDALONE) 82 bool vtoc_sector(void *, struct vtoc_sector *, int); 83 bool vtoc_valid(const struct vtoc_sector *); 84 bool vtoc_sanity(const struct vtoc_sector *); 85 const struct ux_partition *vtoc_find_bfs(const struct vtoc_sector *); 86 bool vtoc_write(struct vtoc_sector *, struct pdinfo_sector *); 87 #endif 88 89 #endif /* _EWS4800MIPS_VTOC_H_ */ 90