1/* $NetBSD: fstypes.c,v 1.12 2010/01/07 13:26:00 tsutsui Exp $ */ 2 3/*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Fredette and Luke Mewburn. 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#if HAVE_NBTOOL_CONFIG_H 33#include "nbtool_config.h" 34#endif 35 36#include <sys/cdefs.h> 37#if !defined(__lint) 38__RCSID("$NetBSD: fstypes.c,v 1.12 2010/01/07 13:26:00 tsutsui Exp $"); 39#endif /* !__lint */ 40 41#include <sys/types.h> 42 43#include <assert.h> 44#include <err.h> 45#include <stdio.h> 46 47#include "installboot.h" 48 49struct ib_fs fstypes[] = { 50#ifndef NO_STAGE2 51 { .name = "ffs", .match = ffs_match, .findstage2 = ffs_findstage2 }, 52 { .name = "raid", .match = raid_match, .findstage2 = ffs_findstage2 }, 53 { .name = "raw", .match = raw_match, .findstage2 = raw_findstage2 }, 54#endif 55 { .name = NULL, } 56}; 57 58#ifndef NO_STAGE2 59int 60hardcode_stage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 61{ 62 struct stat s2sb; 63 uint32_t nblk, i; 64 65 assert(params != NULL); 66 assert(params->stage2 != NULL); 67 assert(maxblk != NULL); 68 assert(blocks != NULL); 69 assert((params->flags & IB_STAGE2START) != 0); 70 assert(params->fstype != NULL); 71 assert(params->fstype->blocksize != 0); 72 73 if (stat(params->stage2, &s2sb) == -1) { 74 warn("Examining `%s'", params->stage2); 75 return (0); 76 } 77 if (!S_ISREG(s2sb.st_mode)) { 78 warnx("`%s' must be a regular file", params->stage2); 79 return (0); 80 } 81 82 nblk = s2sb.st_size / params->fstype->blocksize; 83 if (s2sb.st_size % params->fstype->blocksize != 0) 84 nblk++; 85#if 0 86 fprintf(stderr, "for %s got size %lld blksize %u blocks %u\n", 87 params->stage2, s2sb.st_size, params->fstype->blocksize, nblk); 88#endif 89 if (nblk > *maxblk) { 90 warnx("Secondary bootstrap `%s' has too many blocks " 91 "(calculated %u, maximum %u)", 92 params->stage2, nblk, *maxblk); 93 return (0); 94 } 95 96 for (i = 0; i < nblk; i++) { 97 blocks[i].block = params->s2start + 98 i * (params->fstype->blocksize / params->sectorsize); 99 blocks[i].blocksize = params->fstype->blocksize; 100 } 101 *maxblk = nblk; 102 103 return (1); 104} 105 106 107int 108raw_match(ib_params *params) 109{ 110 111 assert(params != NULL); 112 assert(params->fstype != NULL); 113 114 params->fstype->blocksize = 8192; // XXX: hardcode 115 return (1); /* can always write to a "raw" file system */ 116} 117 118int 119raw_findstage2(ib_params *params, uint32_t *maxblk, ib_block *blocks) 120{ 121 122 assert(params != NULL); 123 assert(params->stage2 != NULL); 124 assert(maxblk != NULL); 125 assert(blocks != NULL); 126 127 if ((params->flags & IB_STAGE2START) == 0) { 128 warnx("Need `-B bno' for raw file systems"); 129 return (0); 130 } 131 return (hardcode_stage2(params, maxblk, blocks)); 132} 133#endif 134