fdformat.c revision 1.5
1 /* $NetBSD: fdformat.c,v 1.5 1997/10/21 00:14:47 thorpej 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * fdformat: format a floppy diskette, using interface provided in 41 * <sys/fdio.h> 42 */ 43 #include <sys/types.h> 44 #include <sys/fdio.h> 45 #include <sys/ioctl.h> 46 47 #include <err.h> 48 #include <errno.h> 49 #include <fcntl.h> 50 #include <limits.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <unistd.h> 54 #include "pathnames.h" 55 56 char *fdb_array[2] = {_PATH_FLOPPYTAB, 0}; 57 58 #define MASK_NBPS 0x0001 59 #define MASK_NCYL 0x0002 60 #define MASK_NSPT 0x0004 61 #define MASK_NTRK 0x0008 62 #define MASK_STEPSPERCYL 0x0010 63 #define MASK_GAPLEN 0x0020 64 #define MASK_FILLBYTE 0x0040 65 #define MASK_XFER_RATE 0x0080 66 #define MASK_INTERLEAVE 0x0100 67 68 #define ALLPARMS (MASK_NBPS|MASK_NCYL|MASK_NSPT|MASK_NTRK|MASK_STEPSPERCYL|MASK_GAPLEN|MASK_FILLBYTE|MASK_XFER_RATE|MASK_INTERLEAVE) 69 70 int confirm(int); 71 int main __P((int, char **)); 72 void usage __P((void)); 73 int verify_track(int, int, int, struct fdformat_parms *, char *); 74 75 int 76 confirm(int def) 77 { 78 int ch; 79 80 printf(" Yes/no [%c]?", def ? 'y' : 'n'); 81 ch = getchar(); 82 switch (ch) { 83 case 'y': 84 case 'Y': 85 return 1; 86 case '\n': 87 return def; 88 case EOF: 89 case 'n': 90 case 'N': 91 default: 92 return 0; 93 } 94 } 95 96 int 97 verify_track(int fd, int cyl, int trk, struct fdformat_parms *parms, char *buf) 98 { 99 size_t tracksize; 100 off_t offset; 101 102 tracksize = parms->nbps * parms->nspt; /* bytes per track */ 103 offset = tracksize * (cyl * parms->ntrk + trk); /* track offset */ 104 105 if (lseek(fd, offset, SEEK_SET) == (off_t) -1) { 106 putchar('E'); 107 return 1; 108 } 109 if (read(fd, buf, tracksize) != tracksize) { 110 putchar('E'); 111 return 1; 112 } else 113 putchar('V'); 114 return 0; 115 } 116 117 void 118 usage(void) 119 { 120 extern char *__progname; 121 122 errx(1,"Usage: %s [-f device] [-t type] [-n] [-B nbps] [-S nspt]\n\t[-T ntrk] [-C ncyl] [-P stepspercyl] [-G gaplen]\n\t[-F fillbyte] [-X xfer_rate] [-I interleave]\n", __progname); 123 } 124 125 #define numarg(which, maskn) \ 126 tmplong = strtol(optarg, &tmpcharp, 0); \ 127 if (*tmpcharp != '\0' || tmplong <= 0 || tmplong == LONG_MIN || tmplong == LONG_MAX) \ 128 errx(1, "invalid numerical argument %s for " # which, optarg); \ 129 parms.which = tmplong; \ 130 parmmask |= MASK_##maskn 131 132 #define getparm(structname, maskname) \ 133 if (cgetnum(fdbuf, # structname, &tmplong) == -1) \ 134 errx(1, "parameter " # structname " missing for type %s", \ 135 optarg); \ 136 parms.structname = tmplong; \ 137 parmmask |= MASK_ ## maskname 138 139 #define copyparm(which, mask) \ 140 if ((parmmask & MASK_##mask) == 0) \ 141 parms.which = fetchparms.which 142 143 int 144 main(int argc, char *argv[]) 145 { 146 char *fdbuf = NULL, *trackbuf = NULL; 147 int errcnt = 0; 148 int verify = 1; 149 int ch; 150 long tmplong; 151 int tmpint; 152 char *tmpcharp; 153 int parmmask = 0; 154 struct fdformat_parms parms, fetchparms; 155 struct fdformat_cmd cmd; 156 char *filename = _PATH_FLOPPY_DEV; 157 int fd; 158 int trk, cyl; 159 160 while ((ch = getopt(argc, argv, "f:t:nB:C:S:T:P:G:F:X:I:")) != -1) 161 switch (ch) { 162 case 't': /* disk type */ 163 switch (cgetent(&fdbuf, fdb_array, optarg)) { 164 case 0: 165 break; 166 case 1: 167 case -3: 168 errx(1, "tc= loop or missing entry entry in " 169 _PATH_FLOPPYTAB " for type %s", optarg); 170 break; 171 case -1: 172 errx(1, "unknown floppy disk type %s", optarg); 173 break; 174 default: 175 err(1, "problem accessing " _PATH_FLOPPYTAB); 176 break; 177 } 178 179 getparm(nbps, NBPS); 180 getparm(ncyl, NCYL); 181 getparm(nspt, NSPT); 182 getparm(ntrk, NTRK); 183 getparm(stepspercyl, STEPSPERCYL); 184 getparm(gaplen, GAPLEN); 185 getparm(fillbyte, FILLBYTE); 186 getparm(xfer_rate, XFER_RATE); 187 getparm(interleave, INTERLEAVE); 188 break; 189 case 'f': /* device name */ 190 filename = optarg; 191 break; 192 case 'n': /* no verify */ 193 verify = 0; 194 break; 195 case 'B': 196 numarg(nbps, NBPS); 197 break; 198 case 'C': 199 numarg(ncyl, NCYL); 200 break; 201 case 'S': 202 numarg(nspt, NSPT); 203 break; 204 case 'T': 205 numarg(ntrk, NTRK); 206 break; 207 case 'P': 208 numarg(stepspercyl, STEPSPERCYL); 209 break; 210 case 'G': 211 numarg(gaplen, GAPLEN); 212 break; 213 case 'F': /* special handling--0 is OK */ 214 /*numarg(fillbyte, FILLBYTE);*/ 215 tmplong = strtol(optarg, &tmpcharp, 0); 216 if (*tmpcharp != '\0' || tmplong < 0 || 217 tmplong == LONG_MIN || tmplong == LONG_MAX) 218 errx(1, "invalid numerical argument %s for fillbyte", optarg); 219 parms.fillbyte = tmplong; 220 parmmask |= MASK_FILLBYTE; 221 break; 222 case 'X': 223 numarg(xfer_rate, XFER_RATE); 224 break; 225 case 'I': 226 numarg(interleave, INTERLEAVE); 227 break; 228 case '?': 229 default: 230 usage(); 231 } 232 if (optind < argc) 233 usage(); 234 235 fd = open(filename, O_RDWR); 236 if (fd == -1) 237 err(1, "cannot open %s", filename); 238 if (ioctl(fd, FDIOCGETFORMAT, &fetchparms) == -1) { 239 if (errno == ENOTTY) 240 err(1, "device %s does not support floppy formatting", 241 filename); 242 else 243 err(1, "cannot fetch current floppy formatting parameters"); 244 } 245 246 copyparm(nbps, NBPS); 247 copyparm(ncyl, NCYL); 248 copyparm(nspt, NSPT); 249 copyparm(ntrk, NTRK); 250 copyparm(stepspercyl, STEPSPERCYL); 251 copyparm(gaplen, GAPLEN); 252 copyparm(fillbyte, FILLBYTE); 253 copyparm(xfer_rate, XFER_RATE); 254 copyparm(interleave, INTERLEAVE); 255 256 parms.fdformat_version = FDFORMAT_VERSION; 257 258 tmpint = FDOPT_NORETRY|FDOPT_SILENT; 259 if (ioctl(fd, FDIOCSETOPTS, &tmpint) == -1 || 260 ioctl(fd, FDIOCSETFORMAT, &parms) == -1) { 261 warn("cannot set requested formatting parameters"); 262 errx(1, "%d cylinders, %d tracks, %d sectors of %d bytes", 263 parms.ncyl, parms.ntrk, parms.nspt, parms.nbps); 264 } 265 266 printf("Ready to format %s with %d cylinders, %d tracks, %d sectors of %d bytes\n(%d KB)", 267 filename, parms.ncyl, parms.ntrk, parms.nspt, parms.nbps, 268 parms.ncyl * parms.ntrk * parms.nspt * parms.nbps / 1024); 269 if (!confirm(1)) 270 errx(1,"formatting abandoned--not confirmed."); 271 272 if (verify) 273 trackbuf = malloc(parms.nbps * parms.nspt); 274 275 cmd.formatcmd_version = FDFORMAT_VERSION; 276 for (cyl = 0; cyl < parms.ncyl; cyl++) { 277 cmd.cylinder = cyl; 278 for (trk = 0; trk < parms.ntrk; trk++) { 279 cmd.head = trk; 280 if (ioctl(fd, FDIOCFORMAT_TRACK, &cmd) == 0) { 281 putchar('F'); 282 if (verify) 283 putchar('\b'); 284 fflush(stdout); 285 if (verify) 286 errcnt += verify_track(fd, cyl, trk, 287 &parms, 288 trackbuf); 289 } else if (errno == EINVAL) { 290 putchar('\n'); 291 errx(1, "formatting botch at <%d,%d>", 292 cyl, trk); 293 } else if (errno == EIO) { 294 putchar('E'); 295 fflush(stdout); 296 errcnt++; 297 } 298 } 299 } 300 putchar('\n'); 301 if (errcnt) 302 errx(1,"%d track formatting errors", errcnt); 303 return 0; 304 } 305
Indexes created Wed Sep 24 05:09:52 GMT 2025