1 /*-
2 * Copyright (c) 2009 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Ed Schouten under sponsorship from the
6 * FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/consio.h>
35 #include <sys/kernel.h>
36 #include <sys/systm.h>
37
38 #include <dev/vt/vt.h>
39
40 static d_ioctl_t consolectl_ioctl;
41
42 static struct cdevsw consolectl_cdevsw = {
43 .d_version = D_VERSION,
44 .d_ioctl = consolectl_ioctl,
45 .d_name = "consolectl",
46 };
47
48 static int
consolectl_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int flag,struct thread * td)49 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag,
50 struct thread *td)
51 {
52
53 switch (cmd) {
54 case CONS_GETVERS:
55 *(int*)data = 0x200;
56 return 0;
57 case CONS_MOUSECTL: {
58 mouse_info_t *mi = (mouse_info_t*)data;
59
60 sysmouse_process_event(mi);
61 return (0);
62 }
63 default:
64 #ifdef VT_CONSOLECTL_DEBUG
65 printf("consolectl: unknown ioctl: %c:%lx\n",
66 (char)IOCGROUP(cmd), IOCBASECMD(cmd));
67 #endif
68 return (ENOIOCTL);
69 }
70 }
71
72 static void
consolectl_drvinit(void * unused)73 consolectl_drvinit(void *unused)
74 {
75
76 if (!vty_enabled(VTY_VT))
77 return;
78 make_dev(&consolectl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
79 "consolectl");
80 }
81
82 SYSINIT(consolectl, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, consolectl_drvinit, NULL);
83