1 /* $NetBSD: wsconscfg.c,v 1.18 2017/05/04 16:26:10 sevan Exp $ */
2
3 /*
4 * Copyright (c) 1999
5 * Matthias Drochner. 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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29 #include <sys/cdefs.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <fcntl.h>
33 #include <unistd.h>
34 #include <sys/types.h>
35 #include <sys/ioctl.h>
36 #include <err.h>
37 #include <errno.h>
38
39 #include <dev/wscons/wsconsio.h>
40 #include <dev/wscons/wsdisplay_usl_io.h>
41
42 #define DEFDEV "/dev/ttyEcfg"
43
44 static void usage(void) __dead;
45
46 static void
usage(void)47 usage(void)
48 {
49 const char *p = getprogname();
50 (void)fprintf(stderr,
51 "Usage: %s [-e emul] [-f ctldev] [-t type] index\n"
52 "\t%s -d [-F] [-f ctldev] index\n"
53 "\t%s -g [-f ctldev]\n"
54 "\t%s -k | -m [-d] [-f ctldev] [index]\n"
55 "\t%s -s [-f ctldev] index\n", p, p, p, p, p);
56 exit(1);
57 }
58
59 int
main(int argc,char ** argv)60 main(int argc, char **argv)
61 {
62 const char *wsdev;
63 int c, delete, kbd, idx, wsfd, swtch, get, mux;
64 struct wsdisplay_addscreendata asd;
65 struct wsdisplay_delscreendata dsd;
66 struct wsmux_device wmd;
67
68 setprogname(argv[0]);
69 wsdev = DEFDEV;
70 delete = 0;
71 kbd = 0;
72 mux = 0;
73 swtch = 0;
74 idx = -1;
75 get = 0;
76 asd.screentype = 0;
77 asd.emul = 0;
78 dsd.flags = 0;
79
80 while ((c = getopt(argc, argv, "de:Ff:gkmst:")) != -1) {
81 switch (c) {
82 case 'd':
83 delete++;
84 break;
85 case 'e':
86 asd.emul = optarg;
87 break;
88 case 'F':
89 dsd.flags |= WSDISPLAY_DELSCR_FORCE;
90 break;
91 case 'f':
92 wsdev = optarg;
93 break;
94 case 'g':
95 get++;
96 break;
97 case 'k':
98 kbd++;
99 break;
100 case 'm':
101 mux++;
102 kbd++;
103 break;
104 case 's':
105 swtch++;
106 break;
107 case 't':
108 asd.screentype = optarg;
109 break;
110 case '?':
111 default:
112 usage();
113 break;
114 }
115 }
116 argc -= optind;
117 argv += optind;
118
119 if (!get || argc != 0) {
120 if ((kbd || swtch) ? (argc > 1) : (argc != 1))
121 usage();
122
123 if (argc > 0 && sscanf(argv[0], "%d", &idx) != 1)
124 errx(1, "invalid index");
125 }
126 if ((wsfd = open(wsdev, get ? O_RDONLY : O_RDWR)) == -1)
127 err(EXIT_FAILURE, "Cannot open `%s'", wsdev);
128
129
130 if (swtch) {
131 if (ioctl(wsfd, VT_ACTIVATE, idx) == -1)
132 err(EXIT_FAILURE, "Cannot switch to %d", idx);
133 } else if (get) {
134 if (ioctl(wsfd, VT_GETACTIVE, &idx) == -1)
135 err(EXIT_FAILURE, "Cannot get current screen");
136 (void)printf("%d\n", idx);
137 } else if (kbd) {
138 wmd.type = mux ? WSMUX_MUX : WSMUX_KBD;
139 wmd.idx = idx;
140 if (delete) {
141 if (ioctl(wsfd, WSMUX_REMOVE_DEVICE, &wmd) == -1)
142 err(EXIT_FAILURE, "WSMUX_REMOVE_DEVICE");
143 } else {
144 if (ioctl(wsfd, WSMUX_ADD_DEVICE, &wmd) == -1)
145 err(EXIT_FAILURE, "WSMUX_ADD_DEVICE");
146 }
147 } else if (delete) {
148 dsd.idx = idx;
149 if (ioctl(wsfd, WSDISPLAYIO_DELSCREEN, &dsd) == -1)
150 err(EXIT_FAILURE, "WSDISPLAYIO_DELSCREEN");
151 } else {
152 asd.idx = idx;
153 if (ioctl(wsfd, WSDISPLAYIO_ADDSCREEN, &asd) == -1) {
154 if (errno == EBUSY)
155 errx(EXIT_FAILURE,
156 "screen %d is already configured", idx);
157 else
158 err(EXIT_FAILURE, "WSDISPLAYIO_ADDSCREEN");
159 }
160 }
161
162 return 0;
163 }
164