xref: /freebsd/usr.sbin/fdcontrol/fdcontrol.c (revision 02e9120893770924227138ba49df1edb3896112a)
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 
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) __dead2;
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 			/*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