1 /* $NetBSD: sysmonvar.h,v 1.11 2005/12/11 12:23:56 christos 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 sysmon_envsys { 58 int32_t sme_envsys_version; /* ENVSYS API version */ 59 60 LIST_ENTRY(sysmon_envsys) sme_list; 61 62 const struct envsys_range *sme_ranges; 63 struct envsys_basic_info *sme_sensor_info; 64 struct envsys_tre_data *sme_sensor_data; 65 void *sme_cookie; /* for ENVSYS back-end */ 66 67 /* Callbacks */ 68 int (*sme_gtredata)(struct sysmon_envsys *, struct envsys_tre_data *); 69 int (*sme_streinfo)(struct sysmon_envsys *, struct envsys_basic_info *); 70 71 u_int sme_fsensor; /* sensor index base, from sysmon */ 72 u_int sme_nsensors; /* sensor count, from driver */ 73 int sme_flags; /* SME_FLAG_ flags defined below */ 74 }; 75 76 #define SME_FLAG_BUSY 0x00000001 /* sme is busy */ 77 #define SME_FLAG_WANTED 0x00000002 /* someone waiting for this */ 78 79 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor) 80 81 int sysmonopen_envsys(dev_t, int, int, struct lwp *); 82 int sysmonclose_envsys(dev_t, int, int, struct lwp *); 83 int sysmonioctl_envsys(dev_t, u_long, caddr_t, int, struct lwp *); 84 85 int sysmon_envsys_register(struct sysmon_envsys *); 86 void sysmon_envsys_unregister(struct sysmon_envsys *); 87 88 /***************************************************************************** 89 * Watchdog timer support 90 *****************************************************************************/ 91 92 struct sysmon_wdog { 93 const char *smw_name; /* watchdog device name */ 94 95 LIST_ENTRY(sysmon_wdog) smw_list; 96 97 void *smw_cookie; /* for watchdog back-end */ 98 int (*smw_setmode)(struct sysmon_wdog *); 99 int (*smw_tickle)(struct sysmon_wdog *); 100 u_int smw_period; /* timer period (in seconds) */ 101 int smw_mode; /* timer mode */ 102 u_int smw_refcnt; /* references */ 103 pid_t smw_tickler; /* last process to tickle */ 104 }; 105 106 int sysmonopen_wdog(dev_t, int, int, struct lwp *); 107 int sysmonclose_wdog(dev_t, int, int, struct lwp *); 108 int sysmonioctl_wdog(dev_t, u_long, caddr_t, int, struct lwp *); 109 110 int sysmon_wdog_register(struct sysmon_wdog *); 111 void sysmon_wdog_unregister(struct sysmon_wdog *); 112 113 /***************************************************************************** 114 * Power management support 115 *****************************************************************************/ 116 117 struct sysmon_pswitch { 118 const char *smpsw_name; /* power switch name */ 119 int smpsw_type; /* power switch type */ 120 121 LIST_ENTRY(sysmon_pswitch) smpsw_list; 122 }; 123 124 int sysmonopen_power(dev_t, int, int, struct lwp *); 125 int sysmonclose_power(dev_t, int, int, struct lwp *); 126 int sysmonread_power(dev_t, struct uio *, int); 127 int sysmonpoll_power(dev_t, int, struct lwp *); 128 int sysmonkqfilter_power(dev_t, struct knote *); 129 int sysmonioctl_power(dev_t, u_long, caddr_t, int, struct lwp *); 130 131 void sysmon_power_settype(const char *); 132 133 int sysmon_pswitch_register(struct sysmon_pswitch *); 134 void sysmon_pswitch_unregister(struct sysmon_pswitch *); 135 136 void sysmon_pswitch_event(struct sysmon_pswitch *, int); 137 138 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */ 139