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Remove some emacs variable settings.
[dragonfly.git] / usr.sbin / fdformat / fdformat.c
blob11d6e44ade8da55edd15dff613658cd686b415d1
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: src/usr.sbin/fdformat/fdformat.c,v 1.11.2.4 2001/07/19 13:20:42 joerg Exp $
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 <ctype.h>
44 #include <err.h>
45 #include <errno.h>
46 #include <fcntl.h>
47 #include <paths.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52
53 #include <machine/ioctl_fd.h>
54
55 static void
56 format_track(int fd, int cyl, int secs, int head, int rate,
57 int gaplen, int secsize, int fill,int interleave)
58 {
59 struct fd_formb f;
60 int i, j;
61 int il[FD_MAX_NSEC + 1];
62
63 memset(il, 0, sizeof(il));
64 for (j = 0, i = 1; i <= secs; i++) {
65 while (il[(j % secs) + 1])
66 j++;
67 il[(j % secs) + 1] = i;
68 j += interleave;
69 }
70
71 f.format_version = FD_FORMAT_VERSION;
72 f.head = head;
73 f.cyl = cyl;
74 f.transfer_rate = rate;
75
76 f.fd_formb_secshift = secsize;
77 f.fd_formb_nsecs = secs;
78 f.fd_formb_gaplen = gaplen;
79 f.fd_formb_fillbyte = fill;
80 for (i = 0; i < secs; i++) {
81 f.fd_formb_cylno(i) = cyl;
82 f.fd_formb_headno(i) = head;
83 f.fd_formb_secno(i) = il[i+1];
84 f.fd_formb_secsize(i) = secsize;
85 }
86 if (ioctl(fd, FD_FORM, (caddr_t)&f) < 0)
87 err(1, "ioctl(FD_FORM)");
88 }
89
90 static int
91 verify_track(int fd, int track, int tracksize)
92 {
93 static char *buf = NULL;
94 static int bufsz = 0;
95 int fdopts = -1, ofdopts, rv = 0;
96
97 if (ioctl(fd, FD_GOPTS, &fdopts) < 0)
98 warn("warning: ioctl(FD_GOPTS)");
99 else {
100 ofdopts = fdopts;
101 fdopts |= FDOPT_NORETRY;
102 ioctl(fd, FD_SOPTS, &fdopts);
103 }
104
105 if (bufsz < tracksize) {
106 if (buf != NULL) /* XXX why would this ever be? */
107 free(buf);
108 bufsz = tracksize;
109 buf = NULL;
110 }
111 if (buf == NULL)
112 buf = malloc(bufsz);
113 if (buf == NULL)
114 errx(2, "out of memory");
115 if (lseek(fd, (long)track * tracksize, 0) < 0)
116 rv = -1;
117 /* try twice reading it, without using the normal retrier */
118 else if (read(fd, buf, tracksize) != tracksize
119 && read(fd, buf, tracksize) != tracksize)
120 rv = -1;
121 if(fdopts != -1)
122 ioctl(fd, FD_SOPTS, &ofdopts);
123 return(rv);
124 }
125
126 static const char *
127 makename(const char *arg, const char *suffix)
128 {
129 static char namebuff[20]; /* big enough for "/dev/fd0a"... */
130
131 memset(namebuff, 0, 20);
132 if(*arg == '\0') /* ??? */
133 return(arg);
134 if(*arg == '/') /* do not convert absolute pathnames */
135 return(arg);
136 strcpy(namebuff, _PATH_DEV);
137 strncat(namebuff, arg, 3);
138 strcat(namebuff, suffix);
139 return(namebuff);
140 }
141
142 static void
143 usage(void)
144 {
145 fprintf(stderr, "%s\n%s\n",
146 "usage: fdformat [-y] [-q] [-n | -v] [-f #] [-c #] [-s #] [-h #]",
147 " [-r #] [-g #] [-i #] [-S #] [-F #] [-t #] devname");
148 exit(2);
149 }
150
151 static int
152 yes(void)
153 {
154 char reply[256], *p;
155
156 reply[sizeof(reply) - 1] = 0;
157 for (;;) {
158 fflush(stdout);
159 if (fgets(reply, sizeof(reply) - 1, stdin) == NULL)
160 return(0);
161 for (p = reply; *p == ' ' || *p == '\t'; ++p)
162 continue;
163 if (*p == 'y' || *p == 'Y')
164 return(1);
165 if (*p == 'n' || *p == 'N' || *p == '\n' || *p == '\r')
166 return(0);
167 printf("Answer `yes' or `no': ");
168 }
169 }
170
171 /*
172 * Some definitions imported from /sys/isa/ic/nec765.h for convenience.
173 */
174
175 /* Status register ST0 */
176 #define NE7_ST0_IC 0xc0 /* interrupt completion code */
177 #define NE7_ST0_IC_AT 0x40 /* abnormal termination, check error stat */
178 #define NE7_ST0_IC_RC 0xc0 /* terminated due to ready changed, n/a */
179
180 /* Status register ST1 */
181 #define NE7_ST1_EN 0x80 /* end of cylinder, access past last record */
182 #define NE7_ST1_DE 0x20 /* data error, CRC fail in ID or data */
183 #define NE7_ST1_ND 0x04 /* no data, sector not found or CRC in ID f. */
184 #define NE7_ST1_MA 0x01 /* missing address mark (in ID or data field)*/
185
186 /* Status register ST2 */
187 #define NE7_ST2_DD 0x20 /* data error in data field, CRC fail */
188 #define NE7_ST2_WC 0x10 /* wrong cylinder, ID field mismatches cmd */
189 #define NE7_ST2_MD 0x01 /* missing address mark in data field */
190
191 /*
192 * Decode the FDC status pointed to by `fdcsp', and print a textual
193 * translation to stderr.
194 */
195 static void
196 printstatus(struct fdc_status *fdcsp)
197 {
198 char msgbuf[100];
199
200 if ((fdcsp->status[0] & NE7_ST0_IC_RC) != NE7_ST0_IC_AT) {
201 sprintf(msgbuf, "unexcpted interrupt code %#x",
202 fdcsp->status[0] & NE7_ST0_IC_RC);
203 } else {
204 strcpy(msgbuf, "unexpected error code in ST1/ST2");
205
206 if (fdcsp->status[1] & NE7_ST1_EN)
207 strcpy(msgbuf, "end of cylinder (wrong format)");
208 else if (fdcsp->status[1] & NE7_ST1_DE) {
209 if (fdcsp->status[2] & NE7_ST2_DD)
210 strcpy(msgbuf, "CRC error in data field");
211 else
212 strcpy(msgbuf, "CRC error in ID field");
213 } else if (fdcsp->status[1] & NE7_ST1_MA) {
214 if (fdcsp->status[2] & NE7_ST2_MD)
215 strcpy(msgbuf, "no address mark in data field");
216 else
217 strcpy(msgbuf, "no address mark in ID field");
218 } else if (fdcsp->status[2] & NE7_ST2_WC)
219 strcpy(msgbuf, "wrong cylinder (format mismatch)");
220 else if (fdcsp->status[1] & NE7_ST1_ND)
221 strcpy(msgbuf, "no data (sector not found)");
222 }
223 fputs(msgbuf, stderr);
224 }
225
226 int
227 main(int argc, char **argv)
228 {
229 int format = -1, cyls = -1, secs = -1, heads = -1, intleave = -1;
230 int rate = -1, gaplen = -1, secsize = -1, steps = -1;
231 int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0, confirm = 0;
232 int fd, c, i, track, error, tracks_per_dot, bytes_per_track, errs;
233 int fdopts;
234 const char *dev_name, *suffix;
235 struct fd_type fdt;
236 #define MAXPRINTERRS 10
237 struct fdc_status fdcs[MAXPRINTERRS];
238
239 while ((c = getopt(argc, argv, "f:c:s:h:r:g:S:F:t:i:qyvn")) != -1)
240 switch (c) {
241 case 'f': /* format in kilobytes */
242 format = atoi(optarg);
243 break;
244
245 case 'c': /* # of cyls */
246 cyls = atoi(optarg);
247 break;
248
249 case 's': /* # of secs per track */
250 secs = atoi(optarg);
251 break;
252
253 case 'h': /* # of heads */
254 heads = atoi(optarg);
255 break;
256
257 case 'r': /* transfer rate, kilobyte/sec */
258 rate = atoi(optarg);
259 break;
260
261 case 'g': /* length of GAP3 to format with */
262 gaplen = atoi(optarg);
263 break;
264
265 case 'S': /* sector size shift factor (1 << S)*128 */
266 secsize = atoi(optarg);
267 break;
268
269 case 'F': /* fill byte, C-like notation allowed */
270 fill = (int)strtol(optarg, NULL, 0);
271 break;
272
273 case 't': /* steps per track */
274 steps = atoi(optarg);
275 break;
276
277 case 'i': /* interleave factor */
278 intleave = atoi(optarg);
279 break;
280
281 case 'q':
282 quiet = 1;
283 break;
284
285 case 'y':
286 confirm = 1;
287 break;
288
289 case 'n':
290 verify = 0;
291 break;
292
293 case 'v':
294 verify = 1;
295 verify_only = 1;
296 break;
297
298 case '?': default:
299 usage();
300 }
301
302 if (optind != argc - 1)
303 usage();
304
305 switch (format) {
306 default:
307 errx(2, "bad floppy size: %dK", format);
308 case -1: suffix = ""; break;
309 case 360: suffix = ".360"; break;
310 case 640: suffix = ".640"; break;
311 case 720: suffix = ".720"; break;
312 case 800: suffix = ".800"; break;
313 case 820: suffix = ".820"; break;
314 case 1200: suffix = ".1200"; break;
315 case 1232: suffix = ".1232"; break;
316 case 1440: suffix = ".1440"; break;
317 case 1480: suffix = ".1480"; break;
318 case 1720: suffix = ".1720"; break;
319 }
320
321 dev_name = makename(argv[optind], suffix);
322
323 if ((fd = open(dev_name, O_RDWR)) < 0)
324 err(1, "%s", dev_name);
325
326 if (ioctl(fd, FD_GTYPE, &fdt) < 0)
327 errx(1, "not a floppy disk: %s", dev_name);
328 fdopts = FDOPT_NOERRLOG;
329 if (ioctl(fd, FD_SOPTS, &fdopts) == -1)
330 err(1, "ioctl(FD_SOPTS, FDOPT_NOERRLOG)");
331
332 switch(rate) {
333 case -1: break;
334 case 250: fdt.trans = FDC_250KBPS; break;
335 case 300: fdt.trans = FDC_300KBPS; break;
336 case 500: fdt.trans = FDC_500KBPS; break;
337 default:
338 errx(2, "invalid transfer rate: %d", rate);
339 }
340
341 if (cyls >= 0) fdt.tracks = cyls;
342 if (secs >= 0) fdt.sectrac = secs;
343 if (fdt.sectrac > FD_MAX_NSEC)
344 errx(2, "too many sectors per track, max value is %d", FD_MAX_NSEC);
345 if (heads >= 0) fdt.heads = heads;
346 if (gaplen >= 0) fdt.f_gap = gaplen;
347 if (secsize >= 0) fdt.secsize = secsize;
348 if (steps >= 0) fdt.steptrac = steps;
349 if (intleave >= 0) fdt.f_inter = intleave;
350
351 bytes_per_track = fdt.sectrac * (1 << fdt.secsize) * 128;
352
353 /* XXX 20/40 = 0.5 */
354 tracks_per_dot = (fdt.tracks * fdt.heads + 20) / 40;
355
356 if (verify_only) {
357 if (!quiet)
358 printf("Verify %dK floppy `%s'.\n",
359 fdt.tracks * fdt.heads * bytes_per_track / 1024,
360 dev_name);
361 }
362 else if (!quiet && !confirm) {
363 printf("Format %dK floppy `%s'? (y/n): ",
364 fdt.tracks * fdt.heads * bytes_per_track / 1024,
365 dev_name);
366 if (!yes()) {
367 printf("Not confirmed.\n");
368 return(3);
369 }
370 }
371
372 /*
373 * Formatting.
374 */
375 if (!quiet) {
376 printf("Processing ");
377 for (i = 0; i < (fdt.tracks * fdt.heads) / tracks_per_dot; i++)
378 putchar('-');
379 printf("\rProcessing ");
380 fflush(stdout);
381 }
382
383 error = errs = 0;
384
385 for (track = 0; track < fdt.tracks * fdt.heads; track++) {
386 if (!verify_only) {
387 format_track(fd, track / fdt.heads, fdt.sectrac,
388 track % fdt.heads, fdt.trans, fdt.f_gap,
389 fdt.secsize, fill, fdt.f_inter);
390 if(!quiet && !((track + 1) % tracks_per_dot)) {
391 putchar('F');
392 fflush(stdout);
393 }
394 }
395 if (verify) {
396 if (verify_track(fd, track, bytes_per_track) < 0) {
397 error = 1;
398 if (errs < MAXPRINTERRS && errno == EIO) {
399 if (ioctl(fd, FD_GSTAT, fdcs + errs) ==
400 -1)
401 errx(1,
402 "floppy IO error, but no FDC status");
403 errs++;
404 }
405 }
406 if(!quiet && !((track + 1) % tracks_per_dot)) {
407 if (!verify_only)
408 putchar('\b');
409 if (error) {
410 putchar('E');
411 error = 0;
412 }
413 else
414 putchar('V');
415 fflush(stdout);
416 }
417 }
418 }
419 if (!quiet)
420 printf(" done.\n");
421
422 if (!quiet && errs) {
423 fflush(stdout);
424 fprintf(stderr, "Errors encountered:\nCyl Head Sect Error\n");
425 for (i = 0; i < errs && i < MAXPRINTERRS; i++) {
426 fprintf(stderr, " %2d %2d %2d ",
427 fdcs[i].status[3], fdcs[i].status[4],
428 fdcs[i].status[5]);
429 printstatus(fdcs + i);
430 putc('\n', stderr);
431 }
432 if (errs >= MAXPRINTERRS)
433 fprintf(stderr, "(Further errors not printed.)\n");
434 }
435
436 return(errs != 0);
437 }
DragonFly BSD