1 /* 2 * Copyright (C) 1992-1994,2001 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 EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 22 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 23 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/types.h> 30 #include <sys/fdcio.h> 31 #include <sys/stat.h> 32 33 #include <ctype.h> 34 #include <err.h> 35 #include <errno.h> 36 #include <fcntl.h> 37 #include <paths.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <strings.h> 42 #include <sysexits.h> 43 #include <unistd.h> 44 45 #include "fdutil.h" 46 47 static void 48 format_track(int fd, int cyl, int secs, int head, int rate, 49 int gaplen, int secsize, int fill, int interleave, 50 int offset) 51 { 52 struct fd_formb f; 53 int i, j, il[FD_MAX_NSEC + 1]; 54 55 memset(il, 0, sizeof il); 56 for(j = 0, i = 1 + offset; i <= secs + offset; i++) { 57 while(il[(j % secs) + 1]) 58 j++; 59 il[(j % secs) + 1] = i; 60 j += interleave; 61 } 62 63 f.format_version = FD_FORMAT_VERSION; 64 f.head = head; 65 f.cyl = cyl; 66 f.transfer_rate = rate; 67 68 f.fd_formb_secshift = secsize; 69 f.fd_formb_nsecs = secs; 70 f.fd_formb_gaplen = gaplen; 71 f.fd_formb_fillbyte = fill; 72 for(i = 0; i < secs; i++) { 73 f.fd_formb_cylno(i) = cyl; 74 f.fd_formb_headno(i) = head; 75 f.fd_formb_secno(i) = il[i+1]; 76 f.fd_formb_secsize(i) = secsize; 77 } 78 if(ioctl(fd, FD_FORM, (caddr_t)&f) < 0) 79 err(EX_OSERR, "ioctl(FD_FORM)"); 80 } 81 82 static int 83 verify_track(int fd, int track, int tracksize) 84 { 85 static char *buf; 86 static int bufsz; 87 int fdopts = -1, ofdopts, rv = 0; 88 89 if (ioctl(fd, FD_GOPTS, &fdopts) < 0) 90 warn("warning: ioctl(FD_GOPTS)"); 91 else { 92 ofdopts = fdopts; 93 fdopts |= FDOPT_NORETRY; 94 (void)ioctl(fd, FD_SOPTS, &fdopts); 95 } 96 97 if (bufsz < tracksize) 98 buf = realloc(buf, bufsz = tracksize); 99 if (buf == 0) 100 errx(EX_UNAVAILABLE, "out of memory"); 101 if (lseek (fd, (long) track * tracksize, 0) < 0) 102 rv = -1; 103 /* try twice reading it, without using the normal retrier */ 104 else if (read (fd, buf, tracksize) != tracksize 105 && read (fd, buf, tracksize) != tracksize) 106 rv = -1; 107 if (fdopts != -1) 108 (void)ioctl(fd, FD_SOPTS, &ofdopts); 109 return (rv); 110 } 111 112 static void 113 usage (void) 114 { 115 errx(EX_USAGE, 116 "usage: fdformat [-F fill] [-f fmt] [-s fmtstr] [-nqvy] device"); 117 } 118 119 static int 120 yes (void) 121 { 122 char reply[256], *p; 123 124 reply[sizeof(reply) - 1] = 0; 125 for (;;) { 126 fflush(stdout); 127 if (!fgets (reply, sizeof(reply) - 1, stdin)) 128 return (0); 129 for (p=reply; *p==' ' || *p=='\t'; ++p) 130 continue; 131 if (*p=='y' || *p=='Y') 132 return (1); 133 if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r') 134 return (0); 135 printf("Answer `yes' or `no': "); 136 } 137 } 138 139 int 140 main(int argc, char **argv) 141 { 142 enum fd_drivetype type; 143 struct fd_type fdt, newft, *fdtp; 144 struct stat sb; 145 #define MAXPRINTERRS 10 146 struct fdc_status fdcs[MAXPRINTERRS]; 147 int format, fill, quiet, verify, verify_only, confirm; 148 int fd, c, i, track, error, tracks_per_dot, bytes_per_track, errs; 149 int fdopts, flags; 150 char *fmtstring, *device; 151 const char *name, *descr; 152 153 format = quiet = verify_only = confirm = 0; 154 verify = 1; 155 fill = 0xf6; 156 fmtstring = 0; 157 158 while((c = getopt(argc, argv, "F:f:nqs:vy")) != -1) 159 switch(c) { 160 case 'F': /* fill byte */ 161 if (getnum(optarg, &fill)) { 162 fprintf(stderr, 163 "Bad argument %s to -F option; must be numeric\n", 164 optarg); 165 usage(); 166 } 167 break; 168 169 case 'f': /* format in kilobytes */ 170 if (getnum(optarg, &format)) { 171 fprintf(stderr, 172 "Bad argument %s to -f option; must be numeric\n", 173 optarg); 174 usage(); 175 } 176 break; 177 178 case 'n': /* don't verify */ 179 verify = 0; 180 break; 181 182 case 'q': /* quiet */ 183 quiet = 1; 184 break; 185 186 case 's': /* format string with detailed options */ 187 fmtstring = optarg; 188 break; 189 190 case 'v': /* verify only */ 191 verify = 1; 192 verify_only = 1; 193 break; 194 195 case 'y': /* confirm */ 196 confirm = 1; 197 break; 198 199 default: 200 usage(); 201 } 202 203 if(optind != argc - 1) 204 usage(); 205 206 if (stat(argv[optind], &sb) == -1 && errno == ENOENT) { 207 /* try prepending _PATH_DEV */ 208 device = malloc(strlen(argv[optind]) + sizeof(_PATH_DEV) + 1); 209 if (device == 0) 210 errx(EX_UNAVAILABLE, "out of memory"); 211 strcpy(device, _PATH_DEV); 212 strcat(device, argv[optind]); 213 if (stat(device, &sb) == -1) { 214 free(device); 215 device = argv[optind]; /* let it fail below */ 216 } 217 } else { 218 device = argv[optind]; 219 } 220 221 if ((fd = open(device, O_RDWR | O_NONBLOCK)) < 0) 222 err(EX_OSERR, "open(%s)", device); 223 224 /* 225 * Device initialization. 226 * 227 * First, get the device type descriptor. This tells us about 228 * the media geometry data we need to format a medium. It also 229 * lets us know quickly whether the device name actually points 230 * to a floppy disk drive. 231 * 232 * Then, obtain any drive options. We're mainly interested to 233 * see whether we're currently working on a device with media 234 * density autoselection (FDOPT_AUTOSEL). Then, we add the 235 * device option to tell the kernel not to log media errors, 236 * since we can handle them ourselves. If the device does 237 * media density autoselection, we then need to set the device 238 * type appropriately, since by opening with O_NONBLOCK we 239 * told the driver to bypass media autoselection (otherwise we 240 * wouldn't stand a chance to format an unformatted or damaged 241 * medium). We do not attempt to set the media type on any 242 * other devices since this is a privileged operation. For the 243 * same reason, specifying -f and -s options is only possible 244 * for autoselecting devices. 245 * 246 * Finally, we are ready to turn off O_NONBLOCK, and start to 247 * actually format something. 248 */ 249 if(ioctl(fd, FD_GTYPE, &fdt) < 0) 250 errx(EX_OSERR, "not a floppy disk: %s", device); 251 if (ioctl(fd, FD_GDTYPE, &type) == -1) 252 err(EX_OSERR, "ioctl(FD_GDTYPE)"); 253 if (ioctl(fd, FD_GOPTS, &fdopts) == -1) 254 err(EX_OSERR, "ioctl(FD_GOPTS)"); 255 fdopts |= FDOPT_NOERRLOG; 256 if (ioctl(fd, FD_SOPTS, &fdopts) == -1) 257 err(EX_OSERR, "ioctl(FD_SOPTS, FDOPT_NOERRLOG)"); 258 if (format) { 259 getname(type, &name, &descr); 260 fdtp = get_fmt(format, type); 261 if (fdtp == 0) 262 errx(EX_USAGE, 263 "unknown format %d KB for drive type %s", 264 format, name); 265 fdt = *fdtp; 266 } 267 if (fmtstring) { 268 parse_fmt(fmtstring, type, fdt, &newft); 269 fdt = newft; 270 } 271 if (ioctl(fd, FD_STYPE, &fdt) < 0) 272 err(EX_OSERR, "ioctl(FD_STYPE)"); 273 if ((flags = fcntl(fd, F_GETFL, 0)) == -1) 274 err(EX_OSERR, "fcntl(F_GETFL)"); 275 flags &= ~O_NONBLOCK; 276 if (fcntl(fd, F_SETFL, flags) == -1) 277 err(EX_OSERR, "fcntl(F_SETFL)"); 278 279 bytes_per_track = fdt.sectrac * (128 << fdt.secsize); 280 281 /* XXX 20/40 = 0.5 */ 282 tracks_per_dot = (fdt.tracks * fdt.heads + 20) / 40; 283 284 if (verify_only) { 285 if(!quiet) 286 printf("Verify %dK floppy `%s'.\n", 287 fdt.tracks * fdt.heads * bytes_per_track / 1024, 288 device); 289 } 290 else if(!quiet && !confirm) { 291 printf("Format %dK floppy `%s'? (y/n): ", 292 fdt.tracks * fdt.heads * bytes_per_track / 1024, 293 device); 294 if(!yes()) { 295 printf("Not confirmed.\n"); 296 return (EX_UNAVAILABLE); 297 } 298 } 299 300 /* 301 * Formatting. 302 */ 303 if(!quiet) { 304 printf("Processing "); 305 for (i = 0; i < (fdt.tracks * fdt.heads) / tracks_per_dot; i++) 306 putchar('-'); 307 printf("\rProcessing "); 308 fflush(stdout); 309 } 310 311 error = errs = 0; 312 313 for (track = 0; track < fdt.tracks * fdt.heads; track++) { 314 if (!verify_only) { 315 format_track(fd, track / fdt.heads, fdt.sectrac, 316 track % fdt.heads, fdt.trans, fdt.f_gap, 317 fdt.secsize, fill, fdt.f_inter, 318 track % fdt.heads? fdt.offset_side2: 0); 319 if(!quiet && !((track + 1) % tracks_per_dot)) { 320 putchar('F'); 321 fflush(stdout); 322 } 323 } 324 if (verify) { 325 if (verify_track(fd, track, bytes_per_track) < 0) { 326 error = 1; 327 if (errs < MAXPRINTERRS && errno == EIO) { 328 if (ioctl(fd, FD_GSTAT, fdcs + errs) == 329 -1) 330 errx(EX_IOERR, 331 "floppy IO error, but no FDC status"); 332 errs++; 333 } 334 } 335 if(!quiet && !((track + 1) % tracks_per_dot)) { 336 if (!verify_only) 337 putchar('\b'); 338 if (error) { 339 putchar('E'); 340 error = 0; 341 } 342 else 343 putchar('V'); 344 fflush(stdout); 345 } 346 } 347 } 348 if(!quiet) 349 printf(" done.\n"); 350 351 if (!quiet && errs) { 352 fflush(stdout); 353 fprintf(stderr, "Errors encountered:\nCyl Head Sect Error\n"); 354 for (i = 0; i < errs && i < MAXPRINTERRS; i++) { 355 fprintf(stderr, " %2d %2d %2d ", 356 fdcs[i].status[3], fdcs[i].status[4], 357 fdcs[i].status[5]); 358 printstatus(fdcs + i, 1); 359 putc('\n', stderr); 360 } 361 if (errs >= MAXPRINTERRS) 362 fprintf(stderr, "(Further errors not printed.)\n"); 363 } 364 365 return errs != 0; 366 } 367