fdformat.c revision 55541 
1/*
2 * Copyright (C) 1992-1994 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: head/usr.sbin/fdformat/fdformat.c 55541 2000-01-07 09:02:47Z kato $
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 <fcntl.h>
46#include <stdio.h>
47#include <stdlib.h>
48#include <strings.h>
49#include <unistd.h>
50
51#include <machine/ioctl_fd.h>
52
53static void
54format_track(int fd, int cyl, int secs, int head, int rate,
55	     int gaplen, int secsize, int fill,int interleave)
56{
57	struct fd_formb f;
58	register int i,j;
59	int il[FD_MAX_NSEC + 1];
60
61	memset(il,0,sizeof il);
62	for(j = 0, i = 1; i <= secs; i++) {
63	    while(il[(j%secs)+1]) j++;
64	    il[(j%secs)+1] = i;
65	    j += interleave;
66	}
67
68	f.format_version = FD_FORMAT_VERSION;
69	f.head = head;
70	f.cyl = cyl;
71	f.transfer_rate = rate;
72
73	f.fd_formb_secshift = secsize;
74	f.fd_formb_nsecs = secs;
75	f.fd_formb_gaplen = gaplen;
76	f.fd_formb_fillbyte = fill;
77	for(i = 0; i < secs; i++) {
78		f.fd_formb_cylno(i) = cyl;
79		f.fd_formb_headno(i) = head;
80		f.fd_formb_secno(i) = il[i+1];
81		f.fd_formb_secsize(i) = secsize;
82	}
83	if(ioctl(fd, FD_FORM, (caddr_t)&f) < 0)
84		err(1, "ioctl(FD_FORM)");
85}
86
87static int
88verify_track(int fd, int track, int tracksize)
89{
90	static char *buf = 0;
91	static int bufsz = 0;
92	int fdopts = -1, ofdopts, rv = 0;
93
94	if (ioctl(fd, FD_GOPTS, &fdopts) < 0)
95		warn("warning: ioctl(FD_GOPTS)");
96	else {
97		ofdopts = fdopts;
98		fdopts |= FDOPT_NORETRY;
99		(void)ioctl(fd, FD_SOPTS, &fdopts);
100	}
101
102	if (bufsz < tracksize) {
103		if (buf)
104			free (buf);
105		bufsz = tracksize;
106		buf = 0;
107	}
108	if (! buf)
109		buf = malloc (bufsz);
110	if (! buf)
111		errx(2, "out of memory");
112	if (lseek (fd, (long) track*tracksize, 0) < 0)
113		rv = -1;
114	/* try twice reading it, without using the normal retrier */
115	else if (read (fd, buf, tracksize) != tracksize
116		 && read (fd, buf, tracksize) != tracksize)
117		rv = -1;
118	if(fdopts != -1)
119		(void)ioctl(fd, FD_SOPTS, &ofdopts);
120	return (rv);
121}
122
123static const char *
124makename(const char *arg, const char *suffix)
125{
126	static char namebuff[20];	/* big enough for "/dev/rfd0a"... */
127
128	memset(namebuff, 0, 20);
129	if(*arg == '\0') /* ??? */
130		return arg;
131	if(*arg == '/')  /* do not convert absolute pathnames */
132		return arg;
133	strcpy(namebuff, "/dev/r");
134	strncat(namebuff, arg, 3);
135	strcat(namebuff, suffix);
136	return namebuff;
137}
138
139static void
140usage (void)
141{
142	fprintf(stderr, "%s\n%s\n",
143	"usage: fdformat [-q] [-n | -v] [-f #] [-c #] [-s #] [-h #]",
144	"                [-r #] [-g #] [-i #] [-S #] [-F #] [-t #] devname");
145	exit(2);
146}
147
148static int
149yes (void)
150{
151	char reply [256], *p;
152
153	reply[sizeof(reply)-1] = 0;
154	for (;;) {
155		fflush(stdout);
156		if (! fgets (reply, sizeof(reply)-1, stdin))
157			return (0);
158		for (p=reply; *p==' ' || *p=='\t'; ++p)
159			continue;
160		if (*p=='y' || *p=='Y')
161			return (1);
162		if (*p=='n' || *p=='N' || *p=='\n' || *p=='\r')
163			return (0);
164		printf("Answer `yes' or `no': ");
165	}
166}
167
168int
169main(int argc, char **argv)
170{
171	int format = -1, cyls = -1, secs = -1, heads = -1, intleave = -1;
172	int rate = -1, gaplen = -1, secsize = -1, steps = -1;
173	int fill = 0xf6, quiet = 0, verify = 1, verify_only = 0;
174	int fd, c, track, error, tracks_per_dot, bytes_per_track, errs;
175	const char *devname, *suffix;
176	struct fd_type fdt;
177
178	while((c = getopt(argc, argv, "f:c:s:h:r:g:S:F:t:i:qvn")) != -1)
179		switch(c) {
180		case 'f':	/* format in kilobytes */
181			format = atoi(optarg);
182			break;
183
184		case 'c':	/* # of cyls */
185			cyls = atoi(optarg);
186			break;
187
188		case 's':	/* # of secs per track */
189			secs = atoi(optarg);
190			break;
191
192		case 'h':	/* # of heads */
193			heads = atoi(optarg);
194			break;
195
196		case 'r':	/* transfer rate, kilobyte/sec */
197			rate = atoi(optarg);
198			break;
199
200		case 'g':	/* length of GAP3 to format with */
201			gaplen = atoi(optarg);
202			break;
203
204		case 'S':	/* sector size shift factor (1 << S)*128 */
205			secsize = atoi(optarg);
206			break;
207
208		case 'F':	/* fill byte, C-like notation allowed */
209			fill = (int)strtol(optarg, (char **)0, 0);
210			break;
211
212		case 't':	/* steps per track */
213			steps = atoi(optarg);
214			break;
215
216		case 'i':       /* interleave factor */
217			intleave = atoi(optarg);
218			break;
219
220		case 'q':
221			quiet = 1;
222			break;
223
224		case 'n':
225			verify = 0;
226			break;
227
228		case 'v':
229			verify = 1;
230			verify_only = 1;
231			break;
232
233		case '?': default:
234			usage();
235		}
236
237	if(optind != argc - 1)
238		usage();
239
240	switch(format) {
241	default:
242		errx(2, "bad floppy size: %dK", format);
243	case -1:   suffix = "";      break;
244	case 360:  suffix = ".360";  break;
245	case 640:  suffix = ".640";  break;
246	case 720:  suffix = ".720";  break;
247	case 800:  suffix = ".800";  break;
248	case 820:  suffix = ".820";  break;
249	case 1200: suffix = ".1200"; break;
250	case 1232: suffix = ".1232"; break;
251	case 1440: suffix = ".1440"; break;
252	case 1480: suffix = ".1480"; break;
253	case 1720: suffix = ".1720"; break;
254	}
255
256	devname = makename(argv[optind], suffix);
257
258	if((fd = open(devname, O_RDWR)) < 0)
259		err(1, "%s", devname);
260
261	if(ioctl(fd, FD_GTYPE, &fdt) < 0)
262		errx(1, "not a floppy disk: %s", devname);
263
264	switch(rate) {
265	case -1:  break;
266	case 250: fdt.trans = FDC_250KBPS; break;
267	case 300: fdt.trans = FDC_300KBPS; break;
268	case 500: fdt.trans = FDC_500KBPS; break;
269	default:
270		errx(2, "invalid transfer rate: %d", rate);
271	}
272
273	if (cyls >= 0)    fdt.tracks = cyls;
274	if (secs >= 0)    fdt.sectrac = secs;
275	if (fdt.sectrac > FD_MAX_NSEC)
276		errx(2, "too many sectors per track, max value is %d", FD_MAX_NSEC);
277	if (heads >= 0)   fdt.heads = heads;
278	if (gaplen >= 0)  fdt.f_gap = gaplen;
279	if (secsize >= 0) fdt.secsize = secsize;
280	if (steps >= 0)   fdt.steptrac = steps;
281	if (intleave >= 0) fdt.f_inter = intleave;
282
283	bytes_per_track = fdt.sectrac * (1<<fdt.secsize) * 128;
284
285	/* XXX  20/40 = 0.5 */
286	tracks_per_dot = (fdt.tracks * fdt.heads + 20) / 40;
287
288	if (verify_only) {
289		if(!quiet)
290			printf("Verify %dK floppy `%s'.\n",
291				fdt.tracks * fdt.heads * bytes_per_track / 1024,
292				devname);
293	}
294	else if(!quiet) {
295		printf("Format %dK floppy `%s'? (y/n): ",
296			fdt.tracks * fdt.heads * bytes_per_track / 1024,
297			devname);
298		if(! yes ()) {
299			printf("Not confirmed.\n");
300			return 0;
301		}
302	}
303
304	/*
305	 * Formatting.
306	 */
307	if(!quiet) {
308		int i;
309
310		printf("Processing ");
311		for (i = 0; i < (fdt.tracks * fdt.heads) / tracks_per_dot; i++)
312			putchar('-');
313		printf("\rProcessing ");
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.trans, fdt.f_gap,
323				fdt.secsize, fill, fdt.f_inter);
324			if(!quiet && !((track + 1) % tracks_per_dot)) {
325				putchar('F');
326				fflush(stdout);
327			}
328		}
329		if (verify) {
330			if (verify_track(fd, track, bytes_per_track) < 0)
331				error = errs = 1;
332			if(!quiet && !((track + 1) % tracks_per_dot)) {
333				if (!verify_only)
334					putchar('\b');
335				if (error) {
336					putchar('E');
337					error = 0;
338				}
339				else
340					putchar('V');
341				fflush(stdout);
342			}
343		}
344	}
345	if(!quiet)
346		printf(" done.\n");
347
348	return errs;
349}
350/*
351 * Local Variables:
352 *  c-indent-level:               8
353 *  c-continued-statement-offset: 8
354 *  c-continued-brace-offset:     0
355 *  c-brace-offset:              -8
356 *  c-brace-imaginary-offset:     0
357 *  c-argdecl-indent:             8
358 *  c-label-offset:              -8
359 *  c++-hanging-braces:           1
360 *  c++-access-specifier-offset: -8
361 *  c++-empty-arglist-indent:     8
362 *  c++-friend-offset:            0
363 * End:
364 */
365