freebsd-dev/sys/dev/vt/vt_consolectl.c

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/*-
* Copyright (c) 2009 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Ed Schouten under sponsorship from the
* FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/consio.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <dev/vt/vt.h>
static d_ioctl_t consolectl_ioctl;
static struct cdevsw consolectl_cdevsw = {
.d_version = D_VERSION,
.d_ioctl = consolectl_ioctl,
.d_name = "consolectl",
};
static int
consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag,
struct thread *td)
{
switch (cmd) {
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case CONS_GETVERS:
*(int*)data = 0x200;
return 0;
case CONS_MOUSECTL: {
mouse_info_t *mi = (mouse_info_t*)data;
sysmouse_process_event(mi);
return (0);
}
default:
#ifdef VT_CONSOLECTL_DEBUG
printf("consolectl: unknown ioctl: %c:%lx\n",
(char)IOCGROUP(cmd), IOCBASECMD(cmd));
#endif
return (ENOIOCTL);
}
}
static void
consolectl_drvinit(void *unused)
{
if (!vty_enabled(VTY_VT))
return;
make_dev(&consolectl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
"consolectl");
}
SYSINIT(consolectl, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, consolectl_drvinit, NULL);