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 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 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