1 /* $NetBSD: sysmonvar.h,v 1.20 2007/11/03 23:25:20 xtraeme Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Zembu Labs, Inc. 5 * All rights reserved. 6 * 7 * Author: Jason R. Thorpe <thorpej@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 44 struct lwp; 45 struct proc; 46 struct knote; 47 struct uio; 48 49 #define SYSMON_MINOR_ENVSYS 0 50 #define SYSMON_MINOR_WDOG 1 51 #define SYSMON_MINOR_POWER 2 52 53 /***************************************************************************** 54 * Environmental sensor support 55 *****************************************************************************/ 56 57 struct sme_sensor_names { 58 SLIST_ENTRY(sme_sensor_names) sme_names; 59 int assigned; 60 char desc[ENVSYS_DESCLEN]; 61 }; 62 63 struct sysmon_envsys { 64 const char *sme_name; /* envsys device name */ 65 uint32_t sme_nsensors; /* sensor count, from driver */ 66 uint32_t sme_uniqsensors; 67 68 int sme_class; /* class of device */ 69 #define SME_CLASS_BATTERY 1 /* device is a battery */ 70 #define SME_CLASS_ACADAPTER 2 /* device is an AC adapter */ 71 72 int sme_flags; /* additional flags */ 73 #define SME_FLAG_BUSY 0x00000001 /* sme is busy */ 74 #define SME_FLAG_WANTED 0x00000002 /* someone waiting for this */ 75 #define SME_DISABLE_GTREDATA 0x00000004 /* disable sme_gtredata */ 76 77 envsys_data_t *sme_sensor_data; /* pointer to device data */ 78 79 /* linked list for the sysmon envsys devices */ 80 LIST_ENTRY(sysmon_envsys) sme_list; 81 82 /* 83 * Singly linked list for the sysmon envsys sensor descriptions. 84 */ 85 SLIST_HEAD(, sme_sensor_names) sme_names_list; 86 87 void *sme_cookie; /* for ENVSYS back-end */ 88 89 /* Function callback to recieve data from device */ 90 int (*sme_gtredata)(struct sysmon_envsys *, envsys_data_t *); 91 92 uint32_t sme_fsensor; /* sensor index base, from sysmon */ 93 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor) 94 }; 95 96 int sysmonopen_envsys(dev_t, int, int, struct lwp *); 97 int sysmonclose_envsys(dev_t, int, int, struct lwp *); 98 int sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *); 99 100 int sysmon_envsys_register(struct sysmon_envsys *); 101 void sysmon_envsys_unregister(struct sysmon_envsys *); 102 103 void sysmon_envsys_init(void); 104 105 /***************************************************************************** 106 * Watchdog timer support 107 *****************************************************************************/ 108 109 struct sysmon_wdog { 110 const char *smw_name; /* watchdog device name */ 111 112 LIST_ENTRY(sysmon_wdog) smw_list; 113 114 void *smw_cookie; /* for watchdog back-end */ 115 int (*smw_setmode)(struct sysmon_wdog *); 116 int (*smw_tickle)(struct sysmon_wdog *); 117 u_int smw_period; /* timer period (in seconds) */ 118 int smw_mode; /* timer mode */ 119 u_int smw_refcnt; /* references */ 120 pid_t smw_tickler; /* last process to tickle */ 121 }; 122 123 int sysmonopen_wdog(dev_t, int, int, struct lwp *); 124 int sysmonclose_wdog(dev_t, int, int, struct lwp *); 125 int sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *); 126 127 int sysmon_wdog_register(struct sysmon_wdog *); 128 void sysmon_wdog_unregister(struct sysmon_wdog *); 129 130 void sysmon_wdog_init(void); 131 132 /***************************************************************************** 133 * Power management support 134 *****************************************************************************/ 135 136 struct sysmon_pswitch { 137 const char *smpsw_name; /* power switch name */ 138 int smpsw_type; /* power switch type */ 139 140 LIST_ENTRY(sysmon_pswitch) smpsw_list; 141 }; 142 143 int sysmonopen_power(dev_t, int, int, struct lwp *); 144 int sysmonclose_power(dev_t, int, int, struct lwp *); 145 int sysmonread_power(dev_t, struct uio *, int); 146 int sysmonpoll_power(dev_t, int, struct lwp *); 147 int sysmonkqfilter_power(dev_t, struct knote *); 148 int sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *); 149 150 void sysmon_power_settype(const char *); 151 152 int sysmon_pswitch_register(struct sysmon_pswitch *); 153 void sysmon_pswitch_unregister(struct sysmon_pswitch *); 154 155 void sysmon_pswitch_event(struct sysmon_pswitch *, int); 156 void sysmon_penvsys_event(struct penvsys_state *, int); 157 158 void sysmon_power_init(void); 159 160 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */ 161