xref: /netbsd-src/sys/dev/clockctl.c (revision 1ca5c1b28139779176bd5c13ad7c5f25c0bcd5f8)
1 /*      $NetBSD: clockctl.c,v 1.4 2001/12/09 16:10:43 manu 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 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: clockctl.c,v 1.4 2001/12/09 16:10:43 manu Exp $");
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/proc.h>
39 #include <sys/errno.h>
40 #include <sys/ioctl.h>
41 #include <sys/device.h>
42 #include <sys/time.h>
43 #ifdef NTP
44 #include <sys/timex.h>
45 #endif /* NTP */
46 
47 #include <sys/clockctl.h>
48 
49 struct clockctl_softc {
50 	struct device   clockctl_dev;
51 };
52 
53 
54 void
55 clockctlattach(parent, self, aux)
56 	struct device *self;
57 	struct device *parent;
58 	void *aux;
59 {
60 	/* Nothing to set up before open is called */
61 	return;
62 }
63 
64 int
65 clockctlopen(dev, flags, fmt, p)
66 	dev_t dev;
67 	int flags, fmt;
68 	struct proc *p;
69 {
70 	return 0;
71 }
72 
73 int
74 clockctlclose(dev, flags, fmt, p)
75 	dev_t dev;
76 	int flags, fmt;
77 	struct proc *p;
78 {
79 	return 0;
80 }
81 
82 int
83 clockctlioctl(dev, cmd, data, flags, p)
84 	dev_t dev;
85 	u_long cmd;
86 	caddr_t data;
87 	int flags;
88 	struct proc *p;
89 {
90 	int error = 0;
91 
92 	switch (cmd) {
93 		case CLOCKCTL_SETTIMEOFDAY: {
94 			struct sys_settimeofday_args *args =
95 			    (struct sys_settimeofday_args *)data;
96 
97 			error = settimeofday1(SCARG(args, tv),
98 			    SCARG(args, tzp), p);
99 			if (error)
100 				return (error);
101 			break;
102 		}
103 		case CLOCKCTL_ADJTIME: {
104 			struct sys_adjtime_args *args =
105 			    (struct sys_adjtime_args *)data;
106 
107 			error = adjtime1(SCARG(args, delta),
108 			    SCARG(args, olddelta), p);
109 			if (error)
110 				return (error);
111 			break;
112 		}
113 		case CLOCKCTL_CLOCK_SETTIME: {
114 			struct sys_clock_settime_args *args =
115 			    (struct sys_clock_settime_args *)data;
116 
117 			error = clock_settime1(SCARG(args, clock_id),
118 			    SCARG(args, tp));
119 			if (error)
120 				return (error);
121 			break;
122 		}
123 #ifdef NTP
124 		case CLOCKCTL_NTP_ADJTIME: {
125 			struct clockctl_ntp_adjtime_args *args =
126 			    (struct clockctl_ntp_adjtime_args *)data;
127 
128 			(void*)ntp_adjtime1(SCARG(args.uas,tp), &error);
129 			return (error);
130 		}
131 #endif /* NTP */
132 		default:
133 			error = EINVAL;
134 	}
135 
136 	return (error);
137 }
138 
139 
140