usr.sbin/fdcontrol/fdcontrol.c

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