sys/arch/ews4800mips/stand/common/diskutil.c

   1 /*      $NetBSD: diskutil.c,v 1.3 2007/02/22 05:31:53 thorpej 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 }