1 /* $NetBSD: diskutil.c,v 1.1 2005/12/29 15:20:09 tsutsui 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 #include <lib/libsa/stand.h> 40 #include <lib/libsa/ufs.h> 41 #include <lib/libkern/libkern.h> 42 43 #include <machine/pdinfo.h> 44 #include <machine/vtoc.h> 45 #include <machine/bfs.h> 46 47 #include "cmd.h" 48 #include "local.h" 49 50 struct pdinfo_sector pdinfo; 51 struct vtoc_sector vtoc; 52 int vtoc_readed; 53 54 void bfs_ls(void); 55 56 int 57 cmd_disklabel(int argc, char *argp[], int interactive) 58 { 59 struct ux_partition *partition; 60 int i; 61 62 if (!read_vtoc()) 63 return 1; 64 65 partition = vtoc.partition; 66 printf("Tag\tFlags\tStart\tCount\n"); 67 for (i = 0; i < VTOC_MAXPARTITIONS; i++, partition++) 68 printf(" %d %d %d\t%d\t%d\n", i, partition->tag, 69 partition->flags, partition->start_sector, 70 partition->nsectors); 71 72 return 0; 73 } 74 75 int 76 cmd_ls(int argc, char *argp[], int interactive) 77 { 78 int i; 79 80 if (argc < 2) { 81 printf("ls partition\n"); 82 return 1; 83 } 84 85 if (!read_vtoc()) 86 return 1; 87 88 i = strtoul(argp[1], 0, 0); 89 if (i < 0 || i >= VTOC_MAXPARTITIONS) 90 return 1; 91 92 if (!device_attach(-1, -1, i)) 93 return 1; 94 switch (fstype(i)) { 95 case FSTYPE_UFS: 96 ufs_ls("/"); 97 break; 98 case FSTYPE_BFS: 99 bfs_ls(); 100 break; 101 default: 102 return 1; 103 } 104 105 return 0; 106 } 107 108 void 109 bfs_ls(void) 110 { 111 struct bfs *bfs; 112 struct bfs_dirent *file; 113 struct bfs_inode *inode; 114 int i; 115 116 if (!DEVICE_CAPABILITY.disk_enabled) 117 return; 118 119 if (bfs_init(&bfs) != 0) 120 return; 121 122 for (file = bfs->dirent, i = 0; i < bfs->max_dirent; i++, file++) { 123 if (file->inode != 0) { 124 inode = &bfs->inode[file->inode - BFS_ROOT_INODE]; 125 printf("%s\t%d (%d-%d)\n", file->name, 126 bfs_file_size(inode), inode->start_sector, 127 inode->end_sector); 128 } 129 } 130 131 bfs_fini(bfs); 132 } 133 134 int 135 fstype(int partition) 136 { 137 struct ux_partition *p; 138 139 if (!read_vtoc()) 140 return -1; 141 142 if (partition < 0 || partition >= VTOC_MAXPARTITIONS) 143 return -1; 144 145 p = &vtoc.partition[partition]; 146 if (p->tag == VTOC_TAG_STAND) 147 return FSTYPE_BFS; 148 149 if ((p->flags & VTOC_FLAG_UNMOUNT) == 0) 150 return FSTYPE_UFS; /* possibly */ 151 152 return -1; 153 } 154 155 boolean_t 156 find_partition_start(int partition, int *sector) 157 { 158 159 if (!read_vtoc()) 160 return FALSE; 161 162 *sector = pdinfo.logical_sector + 163 vtoc.partition[partition].start_sector; 164 printf("[partition=%d, start sector=%d]", partition, *sector); 165 166 return TRUE; 167 } 168 169 boolean_t 170 read_vtoc(void) 171 { 172 173 if (!DEVICE_CAPABILITY.disk_enabled) 174 return FALSE; 175 176 if (vtoc_readed) 177 return TRUE; 178 179 if (!pdinfo_sector(0, &pdinfo)) { 180 printf("no PDINFO\n"); 181 return FALSE; 182 } 183 184 if (!vtoc_sector(0, &vtoc, pdinfo.logical_sector)) { 185 printf("no VTOC\n"); 186 return FALSE; 187 } 188 vtoc_readed = TRUE; 189 190 return TRUE; 191 } 192