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