xref: /freebsd/usr.sbin/fdcontrol/fdcontrol.c (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*
2  * Copyright (C) 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
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
20  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
21  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
22  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
24  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
25  * DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
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 
44 static	int format, verbose, show = 1, showfmt;
45 static	char *fmtstring;
46 
47 static void showdev(enum fd_drivetype, const char *);
48 static void usage(void);
49 
50 static void
51 usage(void)
52 {
53 	errx(EX_USAGE,
54 	     "usage: fdcontrol [-F] [-d dbg] [-f fmt] [-s fmtstr] [-v] device");
55 }
56 
57 void
58 showdev(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 
69 int
70 main(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 		case 'F':
84 			showfmt = 1;
85 			show = 0;
86 			break;
87 
88 		case 'f':
89 			if (!strcmp(optarg, "auto")) {
90 				format = -1;
91 			} else if (getnum(optarg, &format)) {
92 				fprintf(stderr,
93 			"Bad argument %s to -f option; must be numeric\n",
94 					optarg);
95 				usage();
96 			}
97 			show = 0;
98 			break;
99 
100 		case 's':
101 			fmtstring = optarg;
102 			show = 0;
103 			break;
104 
105 		case 'v':
106 			verbose++;
107 			break;
108 
109 		default:
110 			usage();
111 		}
112 
113 	argc -= optind;
114 	argv += optind;
115 
116 	if(argc != 1)
117 		usage();
118 
119 	if((fd = open(argv[0], O_RDONLY | O_NONBLOCK)) < 0)
120 		err(EX_UNAVAILABLE, "open(%s)", argv[0]);
121 
122 	if (ioctl(fd, FD_GDTYPE, &type) == -1)
123 		err(EX_OSERR, "ioctl(FD_GDTYPE)");
124 	if (ioctl(fd, FD_GTYPE, &ft) == -1)
125 		err(EX_OSERR, "ioctl(FD_GTYPE)");
126 
127 	if (show) {
128 		showdev(type, argv[0]);
129 		return (0);
130 	}
131 
132 	if (autofmt) {
133 		memset(&newft, 0, sizeof newft);
134 		ft = newft;
135 	}
136 
137 	if (format) {
138 		getname(type, &name, &descr);
139 		fdtp = get_fmt(format, type);
140 		if (fdtp == 0)
141 			errx(EX_USAGE,
142 			    "unknown format %d KB for drive type %s",
143 			    format, name);
144 		ft = *fdtp;
145 	}
146 
147 	if (fmtstring) {
148 		parse_fmt(fmtstring, type, ft, &newft);
149 		ft = newft;
150 	}
151 
152 	if (showfmt) {
153 		if (verbose) {
154 			const char *s;
155 
156 			printf("%s: %d KB media type\n", argv[0],
157 			    (128 << ft.secsize) * ft.size / 1024);
158 			printf("\tFormat:\t\t");
159 			print_fmt(ft);
160 			if (ft.datalen != 0xff &&
161 			    ft.datalen != (128 << ft.secsize))
162 				printf("\tData length:\t%d\n", ft.datalen);
163 			printf("\tSector size:\t%d\n", 128 << ft.secsize);
164 			printf("\tSectors/track:\t%d\n", ft.sectrac);
165 			printf("\tHeads/cylinder:\t%d\n", ft.heads);
166 			printf("\tCylinders/disk:\t%d\n", ft.tracks);
167 			switch (ft.trans) {
168 			case 0: printf("\tTransfer rate:\t500 kbps\n"); break;
169 			case 1: printf("\tTransfer rate:\t300 kbps\n"); break;
170 			case 2: printf("\tTransfer rate:\t250 kbps\n"); break;
171 			case 3: printf("\tTransfer rate:\t1 Mbps\n"); break;
172 			}
173 			printf("\tSector gap:\t%d\n", ft.gap);
174 			printf("\tFormat gap:\t%d\n", ft.f_gap);
175 			printf("\tInterleave:\t%d\n", ft.f_inter);
176 			printf("\tSide offset:\t%d\n", ft.offset_side2);
177 			printf("\tFlags\t\t<");
178 			s = "";
179 			if (ft.flags & FL_MFM) {
180 				printf("%sMFM", s);
181 				s = ",";
182 			}
183 			if (ft.flags & FL_2STEP) {
184 				printf("%s2STEP", s);
185 				s = ",";
186 			}
187 			if (ft.flags & FL_PERPND) {
188 				printf("%sPERPENDICULAR", s);
189 				s = ",";
190 			}
191 			if (ft.flags & FL_AUTO) {
192 				printf("%sAUTO", s);
193 				s = ",";
194 			}
195 			printf(">\n");
196 		} else {
197 			print_fmt(ft);
198 		}
199 		return (0);
200 	}
201 
202 	if (format || fmtstring) {
203 		if (ioctl(fd, FD_STYPE, &ft) == -1)
204 			err(EX_OSERR, "ioctl(FD_STYPE)");
205 		return (0);
206 	}
207 
208 	return 0;
209 }
210