/* $NetBSD: clockctl_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $ */

/* $NetBSD: clockctl_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $ */

/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Emmanuel Dreyfus.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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>
__KERNEL_RCSID(0, "$NetBSD: clockctl_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $");

#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
#endif

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/time.h>
#include <sys/conf.h>
#include <sys/timex.h>
#include <sys/kauth.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/compat_stub.h>

#include <sys/clockctl.h>
#include <compat/sys/clockctl.h>
#include <compat/sys/time_types.h>

int
compat50_clockctlioctl(dev_t dev, u_long cmd, void *data, int flags,
struct lwp *l)
{
int error = 0;
const struct cdevsw *cd = cdevsw_lookup(dev);

if (cd == NULL || cd->d_ioctl == NULL)
return ENXIO;

switch (cmd) {
case CLOCKCTL_OSETTIMEOFDAY: {
struct timeval50 tv50;
struct timeval tv;
struct clockctl50_settimeofday *args = data;

error = copyin(args->tv, &tv50, sizeof(tv50));
if (error)
return (error);
timeval50_to_timeval(&tv50, &tv);
error = settimeofday1(&tv, false, args->tzp, l, false);
break;
}
case CLOCKCTL_OADJTIME: {
struct timeval atv, oldatv;
struct timeval50 atv50;
struct clockctl50_adjtime *args = data;

if (args->delta) {
error = copyin(args->delta, &atv50, sizeof(atv50));
if (error)
return (error);
timeval50_to_timeval(&atv50, &atv);
}
adjtime1(args->delta ? &atv : NULL,
args->olddelta ? &oldatv : NULL, l->l_proc);
if (args->olddelta) {
timeval_to_timeval50(&oldatv, &atv50);
error = copyout(&atv50, args->olddelta, sizeof(atv50));
}
break;
}
case CLOCKCTL_OCLOCK_SETTIME: {
struct timespec50 tp50;
struct timespec tp;
struct clockctl50_clock_settime *args = data;

error = copyin(args->tp, &tp50, sizeof(tp50));
if (error)
return (error);
timespec50_to_timespec(&tp50, &tp);
error = clock_settime1(l->l_proc, args->clock_id, &tp, true);
break;
}
case CLOCKCTL_ONTP_ADJTIME: {
if (vec_ntp_timestatus == NULL) {
error = ENOTTY;
break;
}
/* The ioctl number changed but the data did not change. */
error = (cd->d_ioctl)(dev, CLOCKCTL_NTP_ADJTIME,
data, flags, l);
break;
}
default:
error = ENOTTY;
}

return (error);
}

void
clockctl_50_init(void)
{

MODULE_HOOK_SET(clockctl_ioctl_50_hook, compat50_clockctlioctl);
}

void
clockctl_50_fini(void)
{

MODULE_HOOK_UNSET(clockctl_ioctl_50_hook);
}