1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 1994, 2001 by Joerg Wunsch, Dresden
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
22 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
26 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
27 * DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31#include <sys/fdcio.h>
32#include <sys/file.h>
33
34#include <err.h>
35#include <stdio.h>
36#include <stdlib.h>
37#include <string.h>
38#include <sysexits.h>
39#include <unistd.h>
40
41#include "fdutil.h"
42
43
44static	int format, verbose, show = 1, showfmt;
45static	char *fmtstring;
46
47static void showdev(enum fd_drivetype, const char *);
48static void usage(void) __dead2;
49
50static void
51usage(void)
52{
53	errx(EX_USAGE,
54	     "usage: fdcontrol [-F] [-d dbg] [-f fmt] [-s fmtstr] [-v] device");
55}
56
57void
58showdev(enum fd_drivetype type, const char *fname)
59{
60	const char *name, *descr;
61
62	getname(type, &name, &descr);
63	if (verbose)
64		printf("%s: %s drive (%s)\n", fname, name, descr);
65	else
66		printf("%s\n", name);
67}
68
69int
70main(int argc, char **argv)
71{
72	enum fd_drivetype type;
73	struct fd_type ft, newft, *fdtp;
74	const char *name, *descr;
75	int fd, i, autofmt;
76
77	autofmt = 0;
78	while((i = getopt(argc, argv, "aFf:s:v")) != -1)
79		switch(i) {
80
81		case 'a':
82			autofmt = 1;
83			/*FALLTHROUGH*/
84		case 'F':
85			showfmt = 1;
86			show = 0;
87			break;
88
89		case 'f':
90			if (!strcmp(optarg, "auto")) {
91				format = -1;
92			} else if (getnum(optarg, &format)) {
93				fprintf(stderr,
94			"Bad argument %s to -f option; must be numeric\n",
95					optarg);
96				usage();
97			}
98			show = 0;
99			break;
100
101		case 's':
102			fmtstring = optarg;
103			show = 0;
104			break;
105
106		case 'v':
107			verbose++;
108			break;
109
110		default:
111			usage();
112		}
113
114	argc -= optind;
115	argv += optind;
116
117	if(argc != 1)
118		usage();
119
120	if((fd = open(argv[0], O_RDONLY | O_NONBLOCK)) < 0)
121		err(EX_UNAVAILABLE, "open(%s)", argv[0]);
122
123	if (ioctl(fd, FD_GDTYPE, &type) == -1)
124		err(EX_OSERR, "ioctl(FD_GDTYPE)");
125	if (ioctl(fd, FD_GTYPE, &ft) == -1)
126		err(EX_OSERR, "ioctl(FD_GTYPE)");
127
128	if (show) {
129		showdev(type, argv[0]);
130		return (0);
131	}
132
133	if (autofmt) {
134		memset(&newft, 0, sizeof newft);
135		ft = newft;
136	}
137
138	if (format) {
139		getname(type, &name, &descr);
140		fdtp = get_fmt(format, type);
141		if (fdtp == 0)
142			errx(EX_USAGE,
143			    "unknown format %d KB for drive type %s",
144			    format, name);
145		ft = *fdtp;
146	}
147
148	if (fmtstring) {
149		parse_fmt(fmtstring, type, ft, &newft);
150		ft = newft;
151	}
152
153	if (showfmt) {
154		if (verbose) {
155			const char *s;
156
157			printf("%s: %d KB media type\n", argv[0],
158			    (128 << ft.secsize) * ft.size / 1024);
159			printf("\tFormat:\t\t");
160			print_fmt(ft);
161			if (ft.datalen != 0xff &&
162			    ft.datalen != (128 << ft.secsize))
163				printf("\tData length:\t%d\n", ft.datalen);
164			printf("\tSector size:\t%d\n", 128 << ft.secsize);
165			printf("\tSectors/track:\t%d\n", ft.sectrac);
166			printf("\tHeads/cylinder:\t%d\n", ft.heads);
167			printf("\tCylinders/disk:\t%d\n", ft.tracks);
168			switch (ft.trans) {
169			case 0: printf("\tTransfer rate:\t500 kbps\n"); break;
170			case 1: printf("\tTransfer rate:\t300 kbps\n"); break;
171			case 2: printf("\tTransfer rate:\t250 kbps\n"); break;
172			case 3: printf("\tTransfer rate:\t1 Mbps\n"); break;
173			}
174			printf("\tSector gap:\t%d\n", ft.gap);
175			printf("\tFormat gap:\t%d\n", ft.f_gap);
176			printf("\tInterleave:\t%d\n", ft.f_inter);
177			printf("\tSide offset:\t%d\n", ft.offset_side2);
178			printf("\tFlags\t\t<");
179			s = "";
180			if (ft.flags & FL_MFM) {
181				printf("%sMFM", s);
182				s = ",";
183			}
184			if (ft.flags & FL_2STEP) {
185				printf("%s2STEP", s);
186				s = ",";
187			}
188			if (ft.flags & FL_PERPND) {
189				printf("%sPERPENDICULAR", s);
190				s = ",";
191			}
192			if (ft.flags & FL_AUTO) {
193				printf("%sAUTO", s);
194				s = ",";
195			}
196			printf(">\n");
197		} else {
198			print_fmt(ft);
199		}
200		return (0);
201	}
202
203	if (format || fmtstring) {
204		if (ioctl(fd, FD_STYPE, &ft) == -1)
205			err(EX_OSERR, "ioctl(FD_STYPE)");
206		return (0);
207	}
208
209	return 0;
210}
211