1 /* $NetBSD: sysmonvar.h,v 1.10 2003/08/11 15:07:14 yamt 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 proc; 45 struct knote; 46 struct uio; 47 48 #define SYSMON_MINOR_ENVSYS 0 49 #define SYSMON_MINOR_WDOG 1 50 #define SYSMON_MINOR_POWER 2 51 52 /***************************************************************************** 53 * Environmental sensor support 54 *****************************************************************************/ 55 56 struct sysmon_envsys { 57 int32_t sme_envsys_version; /* ENVSYS API version */ 58 59 LIST_ENTRY(sysmon_envsys) sme_list; 60 61 const struct envsys_range *sme_ranges; 62 struct envsys_basic_info *sme_sensor_info; 63 struct envsys_tre_data *sme_sensor_data; 64 void *sme_cookie; /* for ENVSYS back-end */ 65 66 /* Callbacks */ 67 int (*sme_gtredata)(struct sysmon_envsys *, struct envsys_tre_data *); 68 int (*sme_streinfo)(struct sysmon_envsys *, struct envsys_basic_info *); 69 70 u_int sme_fsensor; /* sensor index base, from sysmon */ 71 u_int sme_nsensors; /* sensor count, from driver */ 72 int sme_flags; /* SME_FLAG_ flags defined below */ 73 }; 74 75 #define SME_FLAG_BUSY 0x00000001 /* sme is busy */ 76 #define SME_FLAG_WANTED 0x00000002 /* someone waiting for this */ 77 78 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor) 79 80 int sysmonopen_envsys(dev_t, int, int, struct proc *); 81 int sysmonclose_envsys(dev_t, int, int, struct proc *); 82 int sysmonioctl_envsys(dev_t, u_long, caddr_t, int, struct proc *); 83 84 int sysmon_envsys_register(struct sysmon_envsys *); 85 void sysmon_envsys_unregister(struct sysmon_envsys *); 86 87 /***************************************************************************** 88 * Watchdog timer support 89 *****************************************************************************/ 90 91 struct sysmon_wdog { 92 const char *smw_name; /* watchdog device name */ 93 94 LIST_ENTRY(sysmon_wdog) smw_list; 95 96 void *smw_cookie; /* for watchdog back-end */ 97 int (*smw_setmode)(struct sysmon_wdog *); 98 int (*smw_tickle)(struct sysmon_wdog *); 99 u_int smw_period; /* timer period (in seconds) */ 100 int smw_mode; /* timer mode */ 101 u_int smw_refcnt; /* references */ 102 pid_t smw_tickler; /* last process to tickle */ 103 }; 104 105 int sysmonopen_wdog(dev_t, int, int, struct proc *); 106 int sysmonclose_wdog(dev_t, int, int, struct proc *); 107 int sysmonioctl_wdog(dev_t, u_long, caddr_t, int, struct proc *); 108 109 int sysmon_wdog_register(struct sysmon_wdog *); 110 void sysmon_wdog_unregister(struct sysmon_wdog *); 111 112 /***************************************************************************** 113 * Power management support 114 *****************************************************************************/ 115 116 struct sysmon_pswitch { 117 const char *smpsw_name; /* power switch name */ 118 int smpsw_type; /* power switch type */ 119 120 LIST_ENTRY(sysmon_pswitch) smpsw_list; 121 }; 122 123 int sysmonopen_power(dev_t, int, int, struct proc *); 124 int sysmonclose_power(dev_t, int, int, struct proc *); 125 int sysmonread_power(dev_t, struct uio *, int); 126 int sysmonpoll_power(dev_t, int, struct proc *); 127 int sysmonkqfilter_power(dev_t, struct knote *); 128 int sysmonioctl_power(dev_t, u_long, caddr_t, int, struct proc *); 129 130 void sysmon_power_settype(const char *); 131 132 int sysmon_pswitch_register(struct sysmon_pswitch *); 133 void sysmon_pswitch_unregister(struct sysmon_pswitch *); 134 135 void sysmon_pswitch_event(struct sysmon_pswitch *, int); 136 137 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */ 138