sysmonvar.h revision 1.24
1 /* $NetBSD: sysmonvar.h,v 1.24 2008/03/23 16:09:41 xtraeme Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Zembu Labs, Inc. 5 * All rights reserved. 6 * 7 * Author: Jason R. Thorpe <thorpej (at) zembu.com> 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Zembu Labs, Inc. 20 * 4. Neither the name of Zembu Labs nor the names of its employees may 21 * be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS 25 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR- 26 * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS- 27 * CLAIMED. IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _DEV_SYSMON_SYSMONVAR_H_ 37 #define _DEV_SYSMON_SYSMONVAR_H_ 38 39 #include <sys/envsys.h> 40 #include <sys/wdog.h> 41 #include <sys/power.h> 42 #include <sys/queue.h> 43 #include <sys/callout.h> 44 #include <sys/workqueue.h> 45 46 struct lwp; 47 struct proc; 48 struct knote; 49 struct uio; 50 51 #define SYSMON_MINOR_ENVSYS 0 52 #define SYSMON_MINOR_WDOG 1 53 #define SYSMON_MINOR_POWER 2 54 55 /***************************************************************************** 56 * Environmental sensor support 57 *****************************************************************************/ 58 59 struct sme_event; 60 struct sme_sensor_names; 61 62 struct sysmon_envsys { 63 const char *sme_name; /* envsys device name */ 64 u_int sme_nsensors; /* sensors count, from driver */ 65 u_int sme_fsensor; /* sensor index base, from sysmon */ 66 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor) 67 int sme_class; /* class of device */ 68 #define SME_CLASS_BATTERY 1 /* device is a battery */ 69 #define SME_CLASS_ACADAPTER 2 /* device is an AC adapter */ 70 int sme_flags; /* additional flags */ 71 #define SME_FLAG_BUSY 0x00000001 /* device busy */ 72 #define SME_DISABLE_REFRESH 0x00000002 /* disable sme_refresh */ 73 #define SME_CALLOUT_INITIALIZED 0x00000004 /* callout was initialized */ 74 #define SME_INIT_REFRESH 0x00000008 /* call sme_refresh() after 75 interrupts are enabled in 76 the autoconf(9) process. */ 77 78 void *sme_cookie; /* for ENVSYS back-end */ 79 80 /* 81 * Function callback to receive data from device. 82 */ 83 void (*sme_refresh)(struct sysmon_envsys *, envsys_data_t *); 84 85 struct workqueue *sme_wq; /* the workqueue for the events */ 86 struct callout sme_callout; /* for the events */ 87 uint64_t sme_events_timeout; /* the timeout used in the callout */ 88 89 /* 90 * linked list for the sysmon envsys devices. 91 */ 92 LIST_ENTRY(sysmon_envsys) sme_list; 93 94 /* 95 * linked list for the events that a device maintains. 96 */ 97 LIST_HEAD(, sme_event) sme_events_list; 98 99 /* 100 * tailq for the sensors that a device maintains. 101 */ 102 TAILQ_HEAD(, envsys_data) sme_sensors_list; 103 }; 104 105 int sysmonopen_envsys(dev_t, int, int, struct lwp *); 106 int sysmonclose_envsys(dev_t, int, int, struct lwp *); 107 int sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *); 108 109 struct sysmon_envsys *sysmon_envsys_create(void); 110 void sysmon_envsys_destroy(struct sysmon_envsys *); 111 112 int sysmon_envsys_register(struct sysmon_envsys *); 113 void sysmon_envsys_unregister(struct sysmon_envsys *); 114 115 int sysmon_envsys_sensor_attach(struct sysmon_envsys *, envsys_data_t *); 116 int sysmon_envsys_sensor_detach(struct sysmon_envsys *, envsys_data_t *); 117 118 void sysmon_envsys_init(void); 119 120 /***************************************************************************** 121 * Watchdog timer support 122 *****************************************************************************/ 123 124 struct sysmon_wdog { 125 const char *smw_name; /* watchdog device name */ 126 127 LIST_ENTRY(sysmon_wdog) smw_list; 128 129 void *smw_cookie; /* for watchdog back-end */ 130 int (*smw_setmode)(struct sysmon_wdog *); 131 int (*smw_tickle)(struct sysmon_wdog *); 132 u_int smw_period; /* timer period (in seconds) */ 133 int smw_mode; /* timer mode */ 134 u_int smw_refcnt; /* references */ 135 pid_t smw_tickler; /* last process to tickle */ 136 }; 137 138 int sysmonopen_wdog(dev_t, int, int, struct lwp *); 139 int sysmonclose_wdog(dev_t, int, int, struct lwp *); 140 int sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *); 141 142 int sysmon_wdog_register(struct sysmon_wdog *); 143 int sysmon_wdog_unregister(struct sysmon_wdog *); 144 145 void sysmon_wdog_init(void); 146 147 /***************************************************************************** 148 * Power management support 149 *****************************************************************************/ 150 151 struct sysmon_pswitch { 152 const char *smpsw_name; /* power switch name */ 153 int smpsw_type; /* power switch type */ 154 155 LIST_ENTRY(sysmon_pswitch) smpsw_list; 156 }; 157 158 int sysmonopen_power(dev_t, int, int, struct lwp *); 159 int sysmonclose_power(dev_t, int, int, struct lwp *); 160 int sysmonread_power(dev_t, struct uio *, int); 161 int sysmonpoll_power(dev_t, int, struct lwp *); 162 int sysmonkqfilter_power(dev_t, struct knote *); 163 int sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *); 164 165 void sysmon_power_settype(const char *); 166 167 int sysmon_pswitch_register(struct sysmon_pswitch *); 168 void sysmon_pswitch_unregister(struct sysmon_pswitch *); 169 170 void sysmon_pswitch_event(struct sysmon_pswitch *, int); 171 void sysmon_penvsys_event(struct penvsys_state *, int); 172 173 void sysmon_power_init(void); 174 175 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */ 176
Indexes created Wed Sep 24 15:09:51 GMT 2025