1/*	$NetBSD: diskutil.c,v 1.4 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#include <lib/libsa/stand.h>
33#include <lib/libsa/ufs.h>
34#include <lib/libkern/libkern.h>
35
36#include <machine/pdinfo.h>
37#include <machine/vtoc.h>
38#include <machine/bfs.h>
39
40#include "cmd.h"
41#include "local.h"
42
43struct pdinfo_sector pdinfo;
44struct vtoc_sector vtoc;
45int vtoc_readed;
46
47void bfs_ls(void);
48
49int
50cmd_disklabel(int argc, char *argp[], int interactive)
51{
52	struct ux_partition *partition;
53	int i;
54
55	if (!read_vtoc())
56		return 1;
57
58	partition = vtoc.partition;
59	printf("Tag\tFlags\tStart\tCount\n");
60	for (i = 0; i < VTOC_MAXPARTITIONS; i++, partition++)
61		printf("   %d %d   %d\t%d\t%d\n", i, partition->tag,
62		    partition->flags, partition->start_sector,
63		    partition->nsectors);
64
65	return 0;
66}
67
68int
69cmd_ls(int argc, char *argp[], int interactive)
70{
71	int i;
72
73	if (argc < 2) {
74		printf("ls partition\n");
75		return 1;
76	}
77
78	if (!read_vtoc())
79		return 1;
80
81	i = strtoul(argp[1], 0, 0);
82	if (i < 0 || i >= VTOC_MAXPARTITIONS)
83		return 1;
84
85	if (!device_attach(-1, -1, i))
86		return 1;
87	switch (fstype(i)) {
88	case FSTYPE_BFS:
89		bfs_ls();
90		break;
91	default:
92		ls("/");
93		break;
94	}
95
96	return 0;
97}
98
99void
100bfs_ls(void)
101{
102	struct bfs *bfs;
103	struct bfs_dirent *file;
104	struct bfs_inode *inode;
105	int i;
106
107	if (!DEVICE_CAPABILITY.disk_enabled)
108		return;
109
110	if (bfs_init(&bfs) != 0)
111		return;
112
113	for (file = bfs->dirent, i = 0; i < bfs->max_dirent; i++, file++) {
114		if (file->inode != 0) {
115			inode = &bfs->inode[file->inode - BFS_ROOT_INODE];
116			printf("%s\t%d (%d-%d)\n", file->name,
117			    bfs_file_size(inode), inode->start_sector,
118			    inode->end_sector);
119		}
120	}
121
122	bfs_fini(bfs);
123}
124
125int
126fstype(int partition)
127{
128	struct ux_partition *p;
129
130	if (!read_vtoc())
131		return -1;
132
133	if (partition < 0 || partition >= VTOC_MAXPARTITIONS)
134		return -1;
135
136	p = &vtoc.partition[partition];
137	if (p->tag == VTOC_TAG_STAND)
138		return FSTYPE_BFS;
139
140	if ((p->flags & VTOC_FLAG_UNMOUNT) == 0)
141		return FSTYPE_UFS; /* possibly */
142
143	return -1;
144}
145
146bool
147find_partition_start(int partition,  int *sector)
148{
149
150	if (!read_vtoc())
151		return false;
152
153	*sector = pdinfo.logical_sector +
154	    vtoc.partition[partition].start_sector;
155	printf("[partition=%d, start sector=%d]", partition, *sector);
156
157	return true;
158}
159
160bool
161read_vtoc(void)
162{
163
164	if (!DEVICE_CAPABILITY.disk_enabled)
165		return false;
166
167	if (vtoc_readed)
168		return true;
169
170	if (!pdinfo_sector(0, &pdinfo)) {
171		printf("no PDINFO\n");
172		return false;
173	}
174
175	if (!vtoc_sector(0, &vtoc, pdinfo.logical_sector)) {
176		printf("no VTOC\n");
177		return false;
178	}
179	vtoc_readed = true;
180
181	return true;
182}
183