1 /* $NetBSD: fdformat.c,v 1.18 2021/11/27 22:16:41 rillig Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by John Kohl. 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 /* 33 * fdformat: format a floppy diskette, using interface provided in 34 * <sys/fdio.h> 35 */ 36 #include <sys/cdefs.h> 37 38 #ifndef lint 39 __RCSID("$NetBSD: fdformat.c,v 1.18 2021/11/27 22:16:41 rillig Exp $"); 40 #endif 41 42 #include <sys/types.h> 43 #include <sys/fdio.h> 44 #include <sys/ioctl.h> 45 46 #include <err.h> 47 #include <errno.h> 48 #include <fcntl.h> 49 #include <limits.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <unistd.h> 53 #include "pathnames.h" 54 55 static const char *fdb_array[2] = {_PATH_FLOPPYTAB, 0}; 56 57 #define MASK_NBPS 0x0001 58 #define MASK_NCYL 0x0002 59 #define MASK_NSPT 0x0004 60 #define MASK_NTRK 0x0008 61 #define MASK_STEPSPERCYL 0x0010 62 #define MASK_GAPLEN 0x0020 63 #define MASK_FILLBYTE 0x0040 64 #define MASK_XFER_RATE 0x0080 65 #define MASK_INTERLEAVE 0x0100 66 67 #define ALLPARMS (MASK_NBPS|MASK_NCYL|MASK_NSPT|MASK_NTRK|MASK_STEPSPERCYL|MASK_GAPLEN|MASK_FILLBYTE|MASK_XFER_RATE|MASK_INTERLEAVE) 68 69 static int confirm(int); 70 static void usage(void) __dead; 71 static int verify_track(int, int, int, struct fdformat_parms *, char *); 72 73 static int 74 confirm(int def) 75 { 76 int ch; 77 78 (void)printf(" Yes/no [%c]?", def ? 'y' : 'n'); 79 ch = getchar(); 80 switch (ch) { 81 case 'y': 82 case 'Y': 83 return 1; 84 case '\n': 85 return def; 86 case EOF: 87 case 'n': 88 case 'N': 89 default: 90 return 0; 91 } 92 } 93 94 static int 95 verify_track(int fd, int cyl, int trk, struct fdformat_parms *parms, char *buf) 96 { 97 size_t tracksize; 98 off_t offset; 99 100 tracksize = parms->nbps * parms->nspt; /* bytes per track */ 101 offset = tracksize * (cyl * parms->ntrk + trk); /* track offset */ 102 103 if (lseek(fd, offset, SEEK_SET) == (off_t) -1) { 104 (void)printf("- SEEK ERROR\n"); 105 return 1; 106 } 107 if ((size_t)read(fd, buf, tracksize) != tracksize) { 108 (void)printf("- VERIFY ERROR\n"); 109 return 1; 110 } 111 return 0; 112 } 113 114 static void 115 usage(void) 116 { 117 (void)fprintf(stderr, 118 "Usage: %s [-f device] [-t type] [-n] [-B nbps] [-S nspt]\n" 119 "\t[-T ntrk] [-C ncyl] [-P stepspercyl] [-G gaplen]\n" 120 "\t[-F fillbyte] [-X xfer_rate] [-I interleave]\n", getprogname()); 121 exit(1); 122 } 123 124 #define numarg(which, maskn, op) \ 125 do { \ 126 tmplong = strtol(optarg, &tmpcharp, 0); \ 127 if (*tmpcharp != '\0' || tmplong op 0) \ 128 errx(1, \ 129 "Invalid numerical argument `%s' for " \ 130 # which, optarg); \ 131 if (errno == ERANGE && (tmplong == LONG_MIN || \ 132 tmplong == LONG_MAX)) \ 133 err(1, \ 134 "Bad numerical argument `%s' for " \ 135 # which, optarg); \ 136 parms.which = tmplong; \ 137 parmmask |= MASK_##maskn; \ 138 } while (0) 139 140 #define getparm(structname, maskname) \ 141 do { \ 142 if (cgetnum(fdbuf, # structname, &tmplong) == -1) \ 143 errx(1, "Parameter " # structname \ 144 " missing for type `%s'", optarg); \ 145 parms.structname = tmplong; \ 146 parmmask |= MASK_ ## maskname; \ 147 } while (0) 148 149 150 #define copyparm(which, mask) \ 151 if ((parmmask & MASK_##mask) == 0) \ 152 parms.which = fetchparms.which 153 154 int 155 main(int argc, char *argv[]) 156 { 157 char *fdbuf = NULL, *trackbuf = NULL; 158 int errcnt = 0; 159 int verify = 1; 160 int ch; 161 long tmplong; 162 int tmpint; 163 char *tmpcharp; 164 int parmmask = 0; 165 struct fdformat_parms parms, fetchparms; 166 struct fdformat_cmd cmd; 167 const char *filename = _PATH_FLOPPY_DEV; 168 int fd; 169 int trk, cyl; 170 171 while ((ch = getopt(argc, argv, "f:t:nB:C:S:T:P:G:F:X:I:")) != -1) 172 switch (ch) { 173 case 't': /* disk type */ 174 switch (cgetent(&fdbuf, fdb_array, optarg)) { 175 case 0: 176 break; 177 case 1: 178 case -3: 179 errx(1, "tc= loop or missing entry entry in " 180 _PATH_FLOPPYTAB " for type %s", optarg); 181 break; 182 case -1: 183 errx(1, "Unknown floppy disk type %s", optarg); 184 break; 185 default: 186 err(1, "Problem accessing " _PATH_FLOPPYTAB); 187 break; 188 } 189 190 getparm(nbps, NBPS); 191 getparm(ncyl, NCYL); 192 getparm(nspt, NSPT); 193 getparm(ntrk, NTRK); 194 getparm(stepspercyl, STEPSPERCYL); 195 getparm(gaplen, GAPLEN); 196 getparm(fillbyte, FILLBYTE); 197 getparm(xfer_rate, XFER_RATE); 198 getparm(interleave, INTERLEAVE); 199 break; 200 case 'f': /* device name */ 201 filename = optarg; 202 break; 203 case 'n': /* no verify */ 204 verify = 0; 205 break; 206 case 'B': 207 numarg(nbps, NBPS, <=); 208 break; 209 case 'C': 210 numarg(ncyl, NCYL, <=); 211 break; 212 case 'S': 213 numarg(nspt, NSPT, <=); 214 break; 215 case 'T': 216 numarg(ntrk, NTRK, <=); 217 break; 218 case 'P': 219 numarg(stepspercyl, STEPSPERCYL, <=); 220 break; 221 case 'G': 222 numarg(gaplen, GAPLEN, <=); 223 break; 224 case 'F': 225 numarg(fillbyte, FILLBYTE, <); 226 break; 227 case 'X': 228 numarg(xfer_rate, XFER_RATE, <=); 229 break; 230 case 'I': 231 numarg(interleave, INTERLEAVE, <=); 232 break; 233 case '?': 234 default: 235 usage(); 236 } 237 238 if (optind < argc) 239 usage(); 240 241 fd = open(filename, O_RDWR); 242 if (fd == -1) 243 err(1, "Cannot open %s", filename); 244 if (ioctl(fd, FDIOCGETFORMAT, &fetchparms) == -1) { 245 if (errno == ENOTTY) 246 err(1, "Device `%s' does not support floppy formatting", 247 filename); 248 else 249 err(1, "Cannot fetch current floppy" 250 " formatting parameters"); 251 } 252 253 copyparm(nbps, NBPS); 254 copyparm(ncyl, NCYL); 255 copyparm(nspt, NSPT); 256 copyparm(ntrk, NTRK); 257 copyparm(stepspercyl, STEPSPERCYL); 258 copyparm(gaplen, GAPLEN); 259 copyparm(fillbyte, FILLBYTE); 260 copyparm(xfer_rate, XFER_RATE); 261 copyparm(interleave, INTERLEAVE); 262 263 parms.fdformat_version = FDFORMAT_VERSION; 264 265 tmpint = FDOPT_NORETRY|FDOPT_SILENT; 266 if (ioctl(fd, FDIOCSETOPTS, &tmpint) == -1 || 267 ioctl(fd, FDIOCSETFORMAT, &parms) == -1) { 268 errx(1, "Cannot set requested formatting parameters:" 269 " %d cylinders, %d tracks, %d sectors of %d bytes", 270 parms.ncyl, parms.ntrk, parms.nspt, parms.nbps); 271 } 272 273 (void)printf("Ready to format %s with %d cylinders, %d tracks," 274 " %d sectors of %d bytes\n(%d KB)", 275 filename, parms.ncyl, parms.ntrk, parms.nspt, parms.nbps, 276 parms.ncyl * parms.ntrk * parms.nspt * parms.nbps / 1024); 277 if (!confirm(1)) 278 errx(1,"Formatting abandoned -- not confirmed."); 279 280 if (verify) { 281 trackbuf = malloc(parms.nbps * parms.nspt); 282 if (trackbuf == NULL) 283 warn("Cannot allocate verification buffer"); 284 } 285 286 cmd.formatcmd_version = FDFORMAT_VERSION; 287 for (cyl = 0; (unsigned int)cyl < parms.ncyl; cyl++) { 288 cmd.cylinder = cyl; 289 for (trk = 0; (unsigned int)trk < parms.ntrk; trk++) { 290 cmd.head = trk; 291 (void)printf("\rFormatting track %i / head %i ", cyl, trk); 292 (void)fflush(stdout); 293 if (ioctl(fd, FDIOCFORMAT_TRACK, &cmd) == 0) { 294 if (verify) 295 errcnt += verify_track(fd, cyl, trk, 296 &parms, trackbuf); 297 } else if (errno == EINVAL) { 298 (void)putchar('\n'); 299 errx(1, "Formatting botch at <%d,%d>", 300 cyl, trk); 301 } else if (errno == EIO) { 302 (void)printf("- IO ERROR\n"); 303 errcnt++; 304 } 305 } 306 } 307 (void)printf("\rFormatting %i tracks total complete.\n", 308 parms.ncyl * parms.ntrk); 309 if (errcnt) 310 errx(1, "%d track formatting error%s", 311 errcnt, errcnt == 1 ? "" : "s"); 312 return 0; 313 } 314
Indexes created Mon Sep 22 10:09:38 GMT 2025