sysmon.c revision 1.4.2.3
1 1.4.2.3 bouyer /* $NetBSD: sysmon.c,v 1.4.2.3 2000/11/22 16:04:53 bouyer Exp $ */ 2 1.4.2.2 bouyer 3 1.4.2.2 bouyer /*- 4 1.4.2.2 bouyer * Copyright (c) 2000 Zembu Labs, Inc. 5 1.4.2.2 bouyer * All rights reserved. 6 1.4.2.2 bouyer * 7 1.4.2.2 bouyer * Author: Jason R. Thorpe <thorpej (at) zembu.com> 8 1.4.2.2 bouyer * 9 1.4.2.2 bouyer * Redistribution and use in source and binary forms, with or without 10 1.4.2.2 bouyer * modification, are permitted provided that the following conditions 11 1.4.2.2 bouyer * are met: 12 1.4.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 13 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer. 14 1.4.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 15 1.4.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 16 1.4.2.2 bouyer * documentation and/or other materials provided with the distribution. 17 1.4.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 18 1.4.2.2 bouyer * must display the following acknowledgement: 19 1.4.2.2 bouyer * This product includes software developed by Zembu Labs, Inc. 20 1.4.2.2 bouyer * 4. Neither the name of Zembu Labs nor the names of its employees may 21 1.4.2.2 bouyer * be used to endorse or promote products derived from this software 22 1.4.2.2 bouyer * without specific prior written permission. 23 1.4.2.2 bouyer * 24 1.4.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS 25 1.4.2.2 bouyer * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR- 26 1.4.2.2 bouyer * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS- 27 1.4.2.2 bouyer * CLAIMED. IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT, 28 1.4.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 1.4.2.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 1.4.2.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 1.4.2.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 1.4.2.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 1.4.2.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 1.4.2.2 bouyer */ 35 1.4.2.2 bouyer 36 1.4.2.2 bouyer /* 37 1.4.2.3 bouyer * Clearing house for system monitoring hardware. We currently 38 1.4.2.3 bouyer * handle environmental sensors and watchdog timers. 39 1.4.2.2 bouyer */ 40 1.4.2.2 bouyer 41 1.4.2.2 bouyer #include <sys/param.h> 42 1.4.2.2 bouyer #include <sys/conf.h> 43 1.4.2.2 bouyer #include <sys/errno.h> 44 1.4.2.2 bouyer #include <sys/fcntl.h> 45 1.4.2.2 bouyer #include <sys/lock.h> 46 1.4.2.3 bouyer #include <sys/callout.h> 47 1.4.2.3 bouyer #include <sys/kernel.h> 48 1.4.2.3 bouyer #include <sys/systm.h> 49 1.4.2.3 bouyer #include <sys/proc.h> 50 1.4.2.2 bouyer 51 1.4.2.2 bouyer #include <dev/sysmon/sysmonvar.h> 52 1.4.2.3 bouyer #include <dev/sysmon/sysmonconf.h> 53 1.4.2.2 bouyer 54 1.4.2.2 bouyer cdev_decl(sysmon); 55 1.4.2.2 bouyer 56 1.4.2.2 bouyer /* 57 1.4.2.2 bouyer * sysmonopen: 58 1.4.2.2 bouyer * 59 1.4.2.2 bouyer * Open the system monitor device. 60 1.4.2.2 bouyer */ 61 1.4.2.2 bouyer int 62 1.4.2.2 bouyer sysmonopen(dev_t dev, int flag, int mode, struct proc *p) 63 1.4.2.2 bouyer { 64 1.4.2.2 bouyer int error; 65 1.4.2.2 bouyer 66 1.4.2.3 bouyer switch (minor(dev)) { 67 1.4.2.3 bouyer #if NSYSMON_ENVSYS > 0 68 1.4.2.3 bouyer case SYSMON_MINOR_ENVSYS: 69 1.4.2.3 bouyer error = sysmonopen_envsys(dev, flag, mode, p); 70 1.4.2.3 bouyer break; 71 1.4.2.3 bouyer #endif 72 1.4.2.3 bouyer #if NSYSMON_WDOG > 0 73 1.4.2.3 bouyer case SYSMON_MINOR_WDOG: 74 1.4.2.3 bouyer error = sysmonopen_wdog(dev, flag, mode, p); 75 1.4.2.3 bouyer break; 76 1.4.2.3 bouyer #endif 77 1.4.2.3 bouyer default: 78 1.4.2.3 bouyer error = ENODEV; 79 1.4.2.3 bouyer } 80 1.4.2.2 bouyer 81 1.4.2.2 bouyer return (error); 82 1.4.2.2 bouyer } 83 1.4.2.2 bouyer 84 1.4.2.2 bouyer /* 85 1.4.2.2 bouyer * sysmonclose: 86 1.4.2.2 bouyer * 87 1.4.2.2 bouyer * Close the system monitor device. 88 1.4.2.2 bouyer */ 89 1.4.2.2 bouyer int 90 1.4.2.2 bouyer sysmonclose(dev_t dev, int flag, int mode, struct proc *p) 91 1.4.2.2 bouyer { 92 1.4.2.3 bouyer int error; 93 1.4.2.2 bouyer 94 1.4.2.3 bouyer switch (minor(dev)) { 95 1.4.2.3 bouyer #if NSYSMON_ENVSYS > 0 96 1.4.2.3 bouyer case SYSMON_MINOR_ENVSYS: 97 1.4.2.3 bouyer error = sysmonclose_envsys(dev, flag, mode, p); 98 1.4.2.2 bouyer break; 99 1.4.2.3 bouyer #endif 100 1.4.2.3 bouyer #if NSYSMON_WDOG > 0 101 1.4.2.3 bouyer case SYSMON_MINOR_WDOG: 102 1.4.2.3 bouyer error = sysmonclose_wdog(dev, flag, mode, p); 103 1.4.2.2 bouyer break; 104 1.4.2.3 bouyer #endif 105 1.4.2.2 bouyer default: 106 1.4.2.3 bouyer error = ENODEV; 107 1.4.2.2 bouyer } 108 1.4.2.2 bouyer 109 1.4.2.2 bouyer return (error); 110 1.4.2.2 bouyer } 111 1.4.2.2 bouyer 112 1.4.2.2 bouyer /* 113 1.4.2.3 bouyer * sysmonioctl: 114 1.4.2.2 bouyer * 115 1.4.2.3 bouyer * Perform a control request. 116 1.4.2.2 bouyer */ 117 1.4.2.2 bouyer int 118 1.4.2.3 bouyer sysmonioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 119 1.4.2.2 bouyer { 120 1.4.2.3 bouyer int error; 121 1.4.2.2 bouyer 122 1.4.2.3 bouyer switch (minor(dev)) { 123 1.4.2.3 bouyer #if NSYSMON_ENVSYS > 0 124 1.4.2.3 bouyer case SYSMON_MINOR_ENVSYS: 125 1.4.2.3 bouyer error = sysmonioctl_envsys(dev, cmd, data, flag, p); 126 1.4.2.3 bouyer break; 127 1.4.2.3 bouyer #endif 128 1.4.2.3 bouyer #if NSYSMON_WDOG > 0 129 1.4.2.3 bouyer case SYSMON_MINOR_WDOG: 130 1.4.2.3 bouyer error = sysmonioctl_wdog(dev, cmd, data, flag, p); 131 1.4.2.3 bouyer break; 132 1.4.2.3 bouyer #endif 133 1.4.2.3 bouyer default: 134 1.4.2.3 bouyer error = ENODEV; 135 1.4.2.2 bouyer } 136 1.4.2.2 bouyer 137 1.4.2.2 bouyer return (error); 138 1.4.2.2 bouyer } 139
Indexes created Fri Sep 26 20:09:58 GMT 2025