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      1 /*      $NetBSD: clockctl.h,v 1.18 2016/01/23 21:19:24 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Emmanuel Dreyfus.
      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  * 3. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  *
     32  *
     33  */
     34 
     35 #ifndef _SYS_CLOCKCTL_H_
     36 #define _SYS_CLOCKCTL_H_
     37 
     38 #include <sys/ioccom.h>
     39 #include <sys/time.h>
     40 #include <sys/timex.h>
     41 
     42 struct clockctl_settimeofday {
     43 	const struct timeval *tv;
     44 	const void *tzp;
     45 };
     46 
     47 #define CLOCKCTL_SETTIMEOFDAY _IOW('C', 0x5, struct clockctl_settimeofday)
     48 
     49 struct clockctl_adjtime {
     50 	const struct timeval *delta;
     51 	struct timeval *olddelta;
     52 };
     53 
     54 #define CLOCKCTL_ADJTIME _IOWR('C', 0x6, struct clockctl_adjtime)
     55 
     56 struct clockctl_clock_settime {
     57 	clockid_t clock_id;
     58 	const struct timespec *tp;
     59 };
     60 
     61 #define CLOCKCTL_CLOCK_SETTIME _IOW('C', 0x7, struct clockctl_clock_settime)
     62 
     63 struct clockctl_ntp_adjtime {
     64 	struct timex *tp;
     65 	__register_t retval;
     66 };
     67 
     68 #define CLOCKCTL_NTP_ADJTIME _IOWR('C', 0x8, struct clockctl_ntp_adjtime)
     69 
     70 #ifdef _KERNEL
     71 void    clockctlattach(int);
     72 int     clockctlopen(dev_t, int, int, struct lwp *);
     73 int     clockctlclose(dev_t, int, int, struct lwp *);
     74 int     clockctlioctl(dev_t, u_long, void *, int, struct lwp *);
     75 int	clockctl_init(void);
     76 #endif
     77 
     78 #endif /* _SYS_CLOCKCTL_H_ */
     79