sysmonvar.h revision 1.18
1 /* $NetBSD: sysmonvar.h,v 1.18 2007/09/08 00:21:43 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 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 int sme_flags; /* additional flags */ 68 #define SME_FLAG_BUSY 0x00000001 /* sme is busy */ 69 #define SME_FLAG_WANTED 0x00000002 /* someone waiting for this */ 70 #define SME_DISABLE_GTREDATA 0x00000004 /* disable sme_gtredata */ 71 72 envsys_data_t *sme_sensor_data; /* pointer to device data */ 73 74 /* linked list for the sysmon envsys devices */ 75 LIST_ENTRY(sysmon_envsys) sme_list; 76 /* 77 * Singly linked list for the sysmon envsys sensor descriptions. 78 */ 79 SLIST_HEAD(, sme_sensor_names) sme_names_list; 80 81 void *sme_cookie; /* for ENVSYS back-end */ 82 83 /* Function callback to recieve data from device */ 84 int (*sme_gtredata)(struct sysmon_envsys *, envsys_data_t *); 85 86 uint32_t sme_fsensor; /* sensor index base, from sysmon */ 87 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor) 88 }; 89 90 int sysmonopen_envsys(dev_t, int, int, struct lwp *); 91 int sysmonclose_envsys(dev_t, int, int, struct lwp *); 92 int sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *); 93 94 int sysmon_envsys_register(struct sysmon_envsys *); 95 void sysmon_envsys_unregister(struct sysmon_envsys *); 96 struct sysmon_envsys *sysmon_envsys_find(const char *); 97 98 void sysmon_envsys_init(void); 99 100 /***************************************************************************** 101 * Watchdog timer support 102 *****************************************************************************/ 103 104 struct sysmon_wdog { 105 const char *smw_name; /* watchdog device name */ 106 107 LIST_ENTRY(sysmon_wdog) smw_list; 108 109 void *smw_cookie; /* for watchdog back-end */ 110 int (*smw_setmode)(struct sysmon_wdog *); 111 int (*smw_tickle)(struct sysmon_wdog *); 112 u_int smw_period; /* timer period (in seconds) */ 113 int smw_mode; /* timer mode */ 114 u_int smw_refcnt; /* references */ 115 pid_t smw_tickler; /* last process to tickle */ 116 }; 117 118 int sysmonopen_wdog(dev_t, int, int, struct lwp *); 119 int sysmonclose_wdog(dev_t, int, int, struct lwp *); 120 int sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *); 121 122 int sysmon_wdog_register(struct sysmon_wdog *); 123 void sysmon_wdog_unregister(struct sysmon_wdog *); 124 125 void sysmon_wdog_init(void); 126 127 /***************************************************************************** 128 * Power management support 129 *****************************************************************************/ 130 131 struct sysmon_pswitch { 132 const char *smpsw_name; /* power switch name */ 133 int smpsw_type; /* power switch type */ 134 135 LIST_ENTRY(sysmon_pswitch) smpsw_list; 136 }; 137 138 int sysmonopen_power(dev_t, int, int, struct lwp *); 139 int sysmonclose_power(dev_t, int, int, struct lwp *); 140 int sysmonread_power(dev_t, struct uio *, int); 141 int sysmonpoll_power(dev_t, int, struct lwp *); 142 int sysmonkqfilter_power(dev_t, struct knote *); 143 int sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *); 144 145 void sysmon_power_settype(const char *); 146 147 int sysmon_pswitch_register(struct sysmon_pswitch *); 148 void sysmon_pswitch_unregister(struct sysmon_pswitch *); 149 150 void sysmon_pswitch_event(struct sysmon_pswitch *, int); 151 void sysmon_penvsys_event(struct penvsys_state *, int); 152 153 void sysmon_power_init(void); 154 155 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */ 156
Indexes created Fri Sep 26 20:09:58 GMT 2025