1 /* $OpenBSD: fdformat.c,v 1.15 2006/08/07 18:20:57 miod Exp $ */ 2 3 /* 4 * Copyright (C) 1992-1994 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 EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * FreeBSD: 31 * format a floppy disk 32 * 33 * Added FD_GTYPE ioctl, verifying, proportional indicators. 34 * Serge Vakulenko, vak@zebub.msk.su 35 * Sat Dec 18 17:45:47 MSK 1993 36 * 37 * Final adaptation, change format/verify logic, add separate 38 * format gap/interleave values 39 * Andrew A. Chernov, ache@astral.msk.su 40 * Thu Jan 27 00:47:24 MSK 1994 41 */ 42 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <unistd.h> 46 #include <fcntl.h> 47 #include <string.h> 48 #include <ctype.h> 49 #include <err.h> 50 #include <util.h> 51 52 #include <errno.h> 53 #include <sys/types.h> 54 #include <sys/ioctl.h> 55 #include <machine/ioctl_fd.h> 56 57 extern const char *__progname; 58 59 static void 60 format_track(int fd, int cyl, int secs, int head, int rate, int gaplen, 61 int secsize, int fill, int interleave) 62 { 63 struct fd_formb f; 64 int i,j; 65 int il[FD_MAX_NSEC + 1]; 66 67 memset(il,0,sizeof il); 68 for(j = 0, i = 1; i <= secs; i++) { 69 while(il[(j%secs)+1]) 70 j++; 71 il[(j%secs)+1] = i; 72 j += interleave; 73 } 74 75 f.format_version = FD_FORMAT_VERSION; 76 f.head = head; 77 f.cyl = cyl; 78 f.transfer_rate = rate; 79 80 f.fd_formb_secshift = secsize; 81 f.fd_formb_nsecs = secs; 82 f.fd_formb_gaplen = gaplen; 83 f.fd_formb_fillbyte = fill; 84 for(i = 0; i < secs; i++) { 85 f.fd_formb_cylno(i) = cyl; 86 f.fd_formb_headno(i) = head; 87 f.fd_formb_secno(i) = il[i+1]; 88 f.fd_formb_secsize(i) = secsize; 89 } 90 if (ioctl(fd, FD_FORM, (caddr_t)&f) < 0) 91 err(1, "FD_FORM"); 92 } 93 94 static int 95 verify_track(int fd, int track, int tracksize) 96 { 97 static char *buf = 0; 98 static int bufsz = 0; 99 int fdopts = -1, ofdopts, rv = 0; 100 101 if (ioctl(fd, FD_GOPTS, &fdopts) < 0) 102 warn("FD_GOPTS"); 103 else { 104 ofdopts = fdopts; 105 fdopts |= FDOPT_NORETRY; 106 (void)ioctl(fd, FD_SOPTS, &fdopts); 107 } 108 109 if (bufsz < tracksize) { 110 if (buf) 111 free (buf); 112 bufsz = tracksize; 113 buf = 0; 114 } 115 if (! buf) 116 buf = malloc (bufsz); 117 if (! buf) { 118 fprintf (stderr, "\nfdformat: out of memory\n"); 119 exit (2); 120 } 121 if (lseek (fd, (off_t) track*tracksize, SEEK_SET) < 0) 122 rv = -1; 123 /* try twice reading it, without using the normal retrier */ 124 else if (read (fd, buf, tracksize) != tracksize 125 && read (fd, buf, tracksize) != tracksize) 126 rv = -1; 127 if (fdopts != -1) 128 (void)ioctl(fd, FD_SOPTS, &ofdopts); 129 return (rv); 130 } 131 132 static void 133 usage(void) 134 { 135 printf("Usage:\n\t%s [-q] [-n | -v] [-c #] [-s #] [-h #]\n", 136 __progname); 137 printf("\t\t [-r #] [-g #] [-i #] [-S #] [-F #] [-t #] devname\n"); 138 printf("Options:\n"); 139 printf("\t-q\tsupress any normal output, don't ask for confirmation\n"); 140 printf("\t-n\tdon't verify floppy after formatting\n"); 141 printf("\t-v\tdon't format, verify only\n"); 142 printf("\tdevname\tthe full name of floppy device or in short form fd0, fd1\n"); 143 printf("Obscure options:\n"); 144 printf("\t-c #\tspecify number of cylinders, 40 or 80\n"); 145 printf("\t-s #\tspecify number of sectors per track, 9, 10, 15 or 18\n"); 146 printf("\t-h #\tspecify number of floppy heads, 1 or 2\n"); 147 printf("\t-r #\tspecify data rate, 250, 300 or 500 kbps\n"); 148 printf("\t-g #\tspecify gap length\n"); 149 printf("\t-i #\tspecify interleave factor\n"); 150 printf("\t-S #\tspecify sector size, 0=128, 1=256, 2=512 bytes\n"); 151 printf("\t-F #\tspecify fill byte\n"); 152 printf("\t-t #\tnumber of steps per track\n"); 153 exit(2); 154 } 155 156 static int 157 yes(void) 158 { 159 char reply [256], *p; 160 161 reply[sizeof(reply)-1] = 0; 162 for (;;) { 163 fflush(stdout); 164 if (! fgets (reply, sizeof(reply)-1, stdin)) 165 return (0); 166 for (p=reply; *p==' ' || *p=='\t'; ++p) 167 continue; 168 if (*p=='y' || *p=='Y') 169 return (1); 170 if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r') 171 return (0); 172 printf("Answer `yes' or `no': "); 173 } 174 } 175 176 int 177 main(int argc, char *argv[]) 178 { 179 int cyls = -1, secs = -1, heads = -1, intleave = -1; 180 int rate = -1, gaplen = -1, secsize = -1, steps = -1; 181 int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0; 182 int fd, c, track, error, tracks_per_dot, bytes_per_track, errs; 183 char *devname; 184 struct fd_type fdt; 185 186 while((c = getopt(argc, argv, "c:s:h:r:g:S:F:t:i:qvn")) != -1) 187 switch (c) { 188 case 'c': /* # of cyls */ 189 cyls = atoi(optarg); 190 break; 191 192 case 's': /* # of secs per track */ 193 secs = atoi(optarg); 194 break; 195 196 case 'h': /* # of heads */ 197 heads = atoi(optarg); 198 break; 199 200 case 'r': /* transfer rate, kilobyte/sec */ 201 rate = atoi(optarg); 202 break; 203 204 case 'g': /* length of GAP3 to format with */ 205 gaplen = atoi(optarg); 206 break; 207 208 case 'S': /* sector size shift factor (1 << S)*128 */ 209 secsize = atoi(optarg); 210 break; 211 212 case 'F': /* fill byte, C-like notation allowed */ 213 fill = (int)strtol(optarg, (char **)0, 0); 214 break; 215 216 case 't': /* steps per track */ 217 steps = atoi(optarg); 218 break; 219 220 case 'i': /* interleave factor */ 221 intleave = atoi(optarg); 222 break; 223 224 case 'q': 225 quiet = 1; 226 break; 227 228 case 'n': 229 verify = 0; 230 break; 231 232 case 'v': 233 verify = 1; 234 verify_only = 1; 235 break; 236 237 case '?': default: 238 usage(); 239 } 240 241 if (optind != argc - 1) 242 usage(); 243 244 if ((fd = opendev(argv[optind], O_RDWR, OPENDEV_PART, &devname)) < 0) 245 err(1, "%s", devname); 246 247 if (ioctl(fd, FD_GTYPE, &fdt) < 0) 248 errx(1, "not a floppy disk: %s", devname); 249 250 switch (rate) { 251 case -1: 252 break; 253 case 250: 254 fdt.rate = FDC_250KBPS; 255 break; 256 case 300: 257 fdt.rate = FDC_300KBPS; 258 break; 259 case 500: 260 fdt.rate = FDC_500KBPS; 261 break; 262 default: 263 errx(1, "invalid transfer rate: %d", rate); 264 } 265 266 if (cyls >= 0) 267 fdt.tracks = cyls; 268 if (secs >= 0) 269 fdt.sectrac = secs; 270 if (fdt.sectrac > FD_MAX_NSEC) 271 errx(1, "too many sectors per track, max value is %d", 272 FD_MAX_NSEC); 273 if (heads >= 0) 274 fdt.heads = heads; 275 if (gaplen >= 0) 276 fdt.gap2 = gaplen; 277 if (secsize >= 0) 278 fdt.secsize = secsize; 279 if (steps >= 0) 280 fdt.step = steps; 281 282 bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128; 283 tracks_per_dot = fdt.tracks * fdt.heads / 40; 284 if (tracks_per_dot == 0) 285 tracks_per_dot++; 286 287 if (verify_only) { 288 if (!quiet) 289 printf("Verify %dK floppy `%s'.\n", 290 fdt.tracks * fdt.heads * bytes_per_track / 1024, 291 devname); 292 } 293 else if (!quiet) { 294 printf("Format %dK floppy `%s'? (y/n): ", 295 fdt.tracks * fdt.heads * bytes_per_track / 1024, 296 devname); 297 if (!yes()) { 298 printf("Not confirmed.\n"); 299 exit(0); 300 } 301 } 302 303 /* 304 * Formatting. 305 */ 306 if (!quiet) { 307 printf("Processing "); 308 for (track = 0; track < fdt.tracks * fdt.heads; track++) { 309 if (!((track + 1) % tracks_per_dot)) 310 putchar('-'); 311 } 312 putchar('\r'); 313 printf("Processing "); 314 fflush(stdout); 315 } 316 317 error = errs = 0; 318 319 for (track = 0; track < fdt.tracks * fdt.heads; track++) { 320 if (!verify_only) { 321 format_track(fd, track / fdt.heads, fdt.sectrac, 322 track % fdt.heads, fdt.rate, fdt.gap2, 323 fdt.secsize, fill, 324 intleave >= 0 ? intleave : 1); 325 if (!quiet && !((track + 1) % tracks_per_dot)) { 326 putchar('F'); 327 fflush(stdout); 328 } 329 } 330 if (verify) { 331 if (verify_track(fd, track, bytes_per_track) < 0) 332 error = errs = 1; 333 if (!quiet && !((track + 1) % tracks_per_dot)) { 334 if (!verify_only) 335 putchar('\b'); 336 if (error) { 337 putchar('E'); 338 error = 0; 339 } 340 else 341 putchar('V'); 342 fflush(stdout); 343 } 344 } 345 } 346 close(fd); 347 if (!quiet) 348 printf(" done.\n"); 349 350 exit(errs); 351 } 352