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 43 struct pdinfo_sector pdinfo; 44 struct vtoc_sector vtoc; 45 int vtoc_readed; 46 47 void bfs_ls(void); 48 49 int 50 cmd_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 68 int 69 cmd_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_UFS: 89 ufs_ls("/"); 90 break; 91 case FSTYPE_BFS: 92 bfs_ls(); 93 break; 94 default: 95 return 1; 96 } 97 98 return 0; 99 } 100 101 void 102 bfs_ls(void) 103 { 104 struct bfs *bfs; 105 struct bfs_dirent *file; 106 struct bfs_inode *inode; 107 int i; 108 109 if (!DEVICE_CAPABILITY.disk_enabled) 110 return; 111 112 if (bfs_init(&bfs) != 0) 113 return; 114 115 for (file = bfs->dirent, i = 0; i < bfs->max_dirent; i++, file++) { 116 if (file->inode != 0) { 117 inode = &bfs->inode[file->inode - BFS_ROOT_INODE]; 118 printf("%s\t%d (%d-%d)\n", file->name, 119 bfs_file_size(inode), inode->start_sector, 120 inode->end_sector); 121 } 122 } 123 124 bfs_fini(bfs); 125 } 126 127 int 128 fstype(int partition) 129 { 130 struct ux_partition *p; 131 132 if (!read_vtoc()) 133 return -1; 134 135 if (partition < 0 || partition >= VTOC_MAXPARTITIONS) 136 return -1; 137 138 p = &vtoc.partition[partition]; 139 if (p->tag == VTOC_TAG_STAND) 140 return FSTYPE_BFS; 141 142 if ((p->flags & VTOC_FLAG_UNMOUNT) == 0) 143 return FSTYPE_UFS; /* possibly */ 144 145 return -1; 146 } 147 148 bool 149 find_partition_start(int partition, int *sector) 150 { 151 152 if (!read_vtoc()) 153 return false; 154 155 *sector = pdinfo.logical_sector + 156 vtoc.partition[partition].start_sector; 157 printf("[partition=%d, start sector=%d]", partition, *sector); 158 159 return true; 160 } 161 162 bool 163 read_vtoc(void) 164 { 165 166 if (!DEVICE_CAPABILITY.disk_enabled) 167 return false; 168 169 if (vtoc_readed) 170 return true; 171 172 if (!pdinfo_sector(0, &pdinfo)) { 173 printf("no PDINFO\n"); 174 return false; 175 } 176 177 if (!vtoc_sector(0, &vtoc, pdinfo.logical_sector)) { 178 printf("no VTOC\n"); 179 return false; 180 } 181 vtoc_readed = true; 182 183 return true; 184 } 185