usr.sbin/fdcontrol/fdcontrol.c

   1 /*
   2  * Copyright (C) 1994, 2001 by Joerg Wunsch, Dresden
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  20  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  21  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  22  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  24  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  25  * DAMAGE.
  26  */
  27
  28 #include <sys/cdefs.h>
  29 __FBSDID("$FreeBSD$");
  30
  31 #include <sys/fdcio.h>
  32 #include <sys/file.h>
  33
  34 #include <err.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <sysexits.h>
  39 #include <unistd.h>
  40
  41 #include "fdutil.h"
  42
  43
  44 static  int format, verbose, show = 1, showfmt;
  45 static  char *fmtstring;
  46
  47 static void showdev(enum fd_drivetype, const char *);
  48 static void usage(void);
  49
  50 static void
  51 usage(void)
  52 {
  53         errx(EX_USAGE,
  54              "usage: fdcontrol [-F] [-d dbg] [-f fmt] [-s fmtstr] [-v] device");
  55 }
  56
  57 void
  58 showdev(enum fd_drivetype type, const char *fname)
  59 {
  60         const char *name, *descr;
  61
  62         getname(type, &name, &descr);
  63         if (verbose)
  64                 printf("%s: %s drive (%s)\n", fname, name, descr);
  65         else
  66                 printf("%s\n", name);
  67 }
  68
  69 int
  70 main(int argc, char **argv)
  71 {
  72         enum fd_drivetype type;
  73         struct fd_type ft, newft, *fdtp;
  74         const char *name, *descr;
  75         int fd, i, mode, autofmt;
  76
  77         autofmt = 0;
  78         while((i = getopt(argc, argv, "aFf:s:v")) != -1)
  79                 switch(i) {
  80
  81                 case 'a':
  82                         autofmt = 1;
  83                 case 'F':
  84                         showfmt = 1;
  85                         show = 0;
  86                         break;
  87
  88                 case 'f':
  89                         if (!strcmp(optarg, "auto")) {
  90                                 format = -1;
  91                         } else if (getnum(optarg, &format)) {
  92                                 fprintf(stderr,
  93                         "Bad argument %s to -f option; must be numeric\n",
  94                                         optarg);
  95                                 usage();
  96                         }
  97                         show = 0;
  98                         break;
  99
 100                 case 's':
 101                         fmtstring = optarg;
 102                         show = 0;
 103                         break;
 104
 105                 case 'v':
 106                         verbose++;
 107                         break;
 108
 109                 default:
 110                         usage();
 111                 }
 112
 113         argc -= optind;
 114         argv += optind;
 115
 116         if(argc != 1)
 117                 usage();
 118
 119         if (show || showfmt)
 120                 mode = O_RDONLY | O_NONBLOCK;
 121         else
 122                 mode = O_RDWR;
 123
 124         if((fd = open(argv[0], mode)) < 0)
 125                 err(EX_UNAVAILABLE, "open(%s)", argv[0]);
 126
 127         if (ioctl(fd, FD_GDTYPE, &type) == -1)
 128                 err(EX_OSERR, "ioctl(FD_GDTYPE)");
 129         if (ioctl(fd, FD_GTYPE, &ft) == -1)
 130                 err(EX_OSERR, "ioctl(FD_GTYPE)");
 131
 132         if (show) {
 133                 showdev(type, argv[0]);
 134                 return (0);
 135         }
 136
 137         if (autofmt) {
 138                 memset(&newft, 0, sizeof newft);
 139                 ft = newft;
 140         }
 141
 142         if (format) {
 143                 getname(type, &name, &descr);
 144                 fdtp = get_fmt(format, type);
 145                 if (fdtp == 0)
 146                         errx(EX_USAGE,
 147                             "unknown format %d KB for drive type %s",
 148                             format, name);
 149                 ft = *fdtp;
 150         }
 151
 152         if (fmtstring) {
 153                 parse_fmt(fmtstring, type, ft, &newft);
 154                 ft = newft;
 155         }
 156
 157         if (showfmt) {
 158                 if (verbose) {
 159                         const char *s;
 160
 161                         printf("%s: %d KB media type\n", argv[0],
 162                             (128 << ft.secsize) * ft.size / 1024);
 163                         printf("\tFormat:\t\t");
 164                         print_fmt(ft);
 165                         if (ft.datalen != 0xff &&
 166                             ft.datalen != (128 << ft.secsize))
 167                                 printf("\tData length:\t%d\n", ft.datalen);
 168                         printf("\tSector size:\t%d\n", 128 << ft.secsize);
 169                         printf("\tSectors/track:\t%d\n", ft.sectrac);
 170                         printf("\tHeads/cylinder:\t%d\n", ft.heads);
 171                         printf("\tCylinders/disk:\t%d\n", ft.tracks);
 172                         switch (ft.trans) {
 173                         case 0: printf("\tTransfer rate:\t500 kbps\n"); break;
 174                         case 1: printf("\tTransfer rate:\t300 kbps\n"); break;
 175                         case 2: printf("\tTransfer rate:\t250 kbps\n"); break;
 176                         case 3: printf("\tTransfer rate:\t1 Mbps\n"); break;
 177                         }
 178                         printf("\tSector gap:\t%d\n", ft.gap);
 179                         printf("\tFormat gap:\t%d\n", ft.f_gap);
 180                         printf("\tInterleave:\t%d\n", ft.f_inter);
 181                         printf("\tSide offset:\t%d\n", ft.offset_side2);
 182                         printf("\tFlags\t\t<");
 183                         s = "";
 184                         if (ft.flags & FL_MFM) {
 185                                 printf("%sMFM", s);
 186                                 s = ",";
 187                         }
 188                         if (ft.flags & FL_2STEP) {
 189                                 printf("%s2STEP", s);
 190                                 s = ",";
 191                         }
 192                         if (ft.flags & FL_PERPND) {
 193                                 printf("%sPERPENDICULAR", s);
 194                                 s = ",";
 195                         }
 196                         if (ft.flags & FL_AUTO) {
 197                                 printf("%sAUTO", s);
 198                                 s = ",";
 199                         }
 200                         printf(">\n");
 201                 } else {
 202                         print_fmt(ft);
 203                 }
 204                 return (0);
 205         }
 206
 207         if (format || fmtstring) {
 208                 if (ioctl(fd, FD_STYPE, &ft) == -1)
 209                         err(EX_OSERR, "ioctl(FD_STYPE)");
 210                 return (0);
 211         }
 212
 213         return 0;
 214 }