vtoc.h revision 1.2
1 /* $NetBSD: vtoc.h,v 1.2 2007/02/21 22:59:41 thorpej 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _EWS4800MIPS_VTOC_H_ 40 #define _EWS4800MIPS_VTOC_H_ 41 42 /* Volume Table Of Contents */ 43 44 #define VTOC_MAXPARTITIONS 16 45 #define VTOC_SECTOR 1 /* sector */ 46 #define VTOC_MINSIZE 16 /* sector */ 47 48 #define VTOC_MAGIC 0x600ddeee 49 #define VTOC_VERSION 1 50 51 #define VTOC_TAG_NONAME 0x00 52 #define VTOC_TAG_BOOT 0x01 53 #define VTOC_TAG_ROOT 0x02 54 #define VTOC_TAG_SWAP 0x03 55 #define VTOC_TAG_USR 0x04 56 #define VTOC_TAG_RAWDISK 0x05 57 #define VTOC_TAG_STAND 0x06 /* bfs */ 58 #define VTOC_TAG_VAR 0x07 59 #define VTOC_TAG_HOME 0x08 60 #define __VTOC_TAG_BSDFFS 0xff /* ews4800mips port original define */ 61 62 #define VTOC_FLAG_UNMOUNT 0x01 63 #define VTOC_FLAG_RDONLY 0x10 64 65 struct ux_partition { 66 uint16_t tag; /* 0 */ 67 uint16_t flags; /* 2 */ 68 uint32_t start_sector; /* 4 */ 69 int32_t nsectors; /* 8 */ 70 } __attribute__((__packed__)); 71 72 /* Sector image */ 73 struct vtoc_sector { 74 uint32_t bootinfo[3]; /* 0 */ 75 uint32_t magic; /* 12 */ 76 uint32_t version; /* 16 */ 77 int8_t volume[8]; /* 20 */ 78 uint16_t sector_size_byte; /* 28 */ 79 uint16_t npartitions; /* 30 */ 80 uint32_t reserved[10]; /* 32 */ 81 struct ux_partition partition[VTOC_MAXPARTITIONS]; /* 72 */ 82 uint32_t timestamp[VTOC_MAXPARTITIONS]; /* 264 */ 83 int32_t padding[46]; /* 328 */ 84 } __attribute__((__packed__)); /* 512 byte */ 85 86 struct pdinfo_sector; 87 88 #if defined(_KERNEL) || defined(_STANDALONE) 89 bool vtoc_sector(void *, struct vtoc_sector *, int); 90 bool vtoc_valid(const struct vtoc_sector *); 91 bool vtoc_sanity(const struct vtoc_sector *); 92 const struct ux_partition *vtoc_find_bfs(const struct vtoc_sector *); 93 bool vtoc_write(struct vtoc_sector *, struct pdinfo_sector *); 94 #endif 95 96 #endif /* _EWS4800MIPS_VTOC_H_ */ 97
Indexes created Mon Sep 29 21:09:56 GMT 2025