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