1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2009 The FreeBSD Foundation
5 * All rights reserved.
6 *
7 * This software was developed by Ed Schouten under sponsorship from the
8 * FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: stable/12/sys/dev/vt/vt_consolectl.c 326255 2017-11-27 14:52:40Z pfg $");
34
35 #include <sys/param.h>
36 #include <sys/consio.h>
37 #include <sys/kernel.h>
38 #include <sys/systm.h>
39
40 #include <dev/vt/vt.h>
41
42 static d_ioctl_t consolectl_ioctl;
43
44 static struct cdevsw consolectl_cdevsw = {
45 .d_version = D_VERSION,
46 .d_ioctl = consolectl_ioctl,
47 .d_name = "consolectl",
48 };
49
50 static int
consolectl_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int flag,struct thread * td)51 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag,
52 struct thread *td)
53 {
54
55 switch (cmd) {
56 case CONS_GETVERS:
57 *(int*)data = 0x200;
58 return 0;
59 case CONS_MOUSECTL: {
60 mouse_info_t *mi = (mouse_info_t*)data;
61
62 sysmouse_process_event(mi);
63 return (0);
64 }
65 default:
66 #ifdef VT_CONSOLECTL_DEBUG
67 printf("consolectl: unknown ioctl: %c:%lx\n",
68 (char)IOCGROUP(cmd), IOCBASECMD(cmd));
69 #endif
70 return (ENOIOCTL);
71 }
72 }
73
74 static void
consolectl_drvinit(void * unused)75 consolectl_drvinit(void *unused)
76 {
77
78 if (!vty_enabled(VTY_VT))
79 return;
80 make_dev(&consolectl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
81 "consolectl");
82 }
83
84 SYSINIT(consolectl, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, consolectl_drvinit, NULL);
85