1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include <sys/param.h> 35 #include <sys/consio.h> 36 #include <sys/kernel.h> 37 #include <sys/systm.h> 38 39 #include <dev/vt/vt.h> 40 41 static d_ioctl_t consolectl_ioctl; 42 43 static struct cdevsw consolectl_cdevsw = { 44 .d_version = D_VERSION, 45 .d_ioctl = consolectl_ioctl, 46 .d_name = "consolectl", 47 }; 48 49 static int 50 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, 51 struct thread *td) 52 { 53 54 switch (cmd) { 55 case CONS_GETVERS: 56 *(int*)data = 0x200; 57 return 0; 58 case CONS_MOUSECTL: { 59 mouse_info_t *mi = (mouse_info_t*)data; 60 61 sysmouse_process_event(mi); 62 return (0); 63 } 64 default: 65 #ifdef VT_CONSOLECTL_DEBUG 66 printf("consolectl: unknown ioctl: %c:%lx\n", 67 (char)IOCGROUP(cmd), IOCBASECMD(cmd)); 68 #endif 69 return (ENOIOCTL); 70 } 71 } 72 73 static void 74 consolectl_drvinit(void *unused) 75 { 76 77 if (!vty_enabled(VTY_VT)) 78 return; 79 make_dev(&consolectl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, 80 "consolectl"); 81 } 82 83 SYSINIT(consolectl, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, consolectl_drvinit, NULL); 84