1 /* $NetBSD: clockctl.c,v 1.6 2002/03/01 22:58:33 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 1.6 2002/03/01 22:58:33 manu Exp $"); 35 36 #include "opt_ntp.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/proc.h> 41 #include <sys/errno.h> 42 #include <sys/ioctl.h> 43 #include <sys/device.h> 44 #include <sys/time.h> 45 #ifdef NTP 46 #include <sys/timex.h> 47 #endif /* NTP */ 48 49 #include <sys/clockctl.h> 50 51 struct clockctl_softc { 52 struct device clockctl_dev; 53 }; 54 55 56 void 57 clockctlattach(parent, self, aux) 58 struct device *self; 59 struct device *parent; 60 void *aux; 61 { 62 /* Nothing to set up before open is called */ 63 return; 64 } 65 66 int 67 clockctlopen(dev, flags, fmt, p) 68 dev_t dev; 69 int flags, fmt; 70 struct proc *p; 71 { 72 return 0; 73 } 74 75 int 76 clockctlclose(dev, flags, fmt, p) 77 dev_t dev; 78 int flags, fmt; 79 struct proc *p; 80 { 81 return 0; 82 } 83 84 int 85 clockctlioctl(dev, cmd, data, flags, p) 86 dev_t dev; 87 u_long cmd; 88 caddr_t data; 89 int flags; 90 struct proc *p; 91 { 92 int error = 0; 93 94 switch (cmd) { 95 case CLOCKCTL_SETTIMEOFDAY: { 96 struct sys_settimeofday_args *args = 97 (struct sys_settimeofday_args *)data; 98 99 error = settimeofday1(SCARG(args, tv), 100 SCARG(args, tzp), p); 101 if (error) 102 return (error); 103 break; 104 } 105 case CLOCKCTL_ADJTIME: { 106 struct sys_adjtime_args *args = 107 (struct sys_adjtime_args *)data; 108 109 error = adjtime1(SCARG(args, delta), 110 SCARG(args, olddelta), p); 111 if (error) 112 return (error); 113 break; 114 } 115 case CLOCKCTL_CLOCK_SETTIME: { 116 struct sys_clock_settime_args *args = 117 (struct sys_clock_settime_args *)data; 118 119 error = clock_settime1(SCARG(args, clock_id), 120 SCARG(args, tp)); 121 if (error) 122 return (error); 123 break; 124 } 125 #ifdef NTP 126 case CLOCKCTL_NTP_ADJTIME: { 127 struct clockctl_ntp_adjtime_args *args = 128 (struct clockctl_ntp_adjtime_args *)data; 129 struct timex ntv; 130 131 error = copyin((caddr_t)SCARG(args,uas.tp), 132 (caddr_t)&ntv, sizeof(ntv)); 133 if (error) 134 return (error); 135 136 error = ntp_adjtime1(&ntv, args, &args->retval); 137 return (error); 138 break; 139 } 140 #endif /* NTP */ 141 default: 142 error = EINVAL; 143 } 144 145 return (error); 146 } 147 148 149