1 /* $NetBSD: sysmonvar.h,v 1.3 2000/11/05 04:06:14 thorpej 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/queue.h> 42 43 #define SYSMON_MINOR_ENVSYS 0 44 #define SYSMON_MINOR_WDOG 1 45 46 struct sysmon_envsys { 47 int32_t sme_envsys_version; /* ENVSYS API version */ 48 49 LIST_ENTRY(sysmon_envsys) sme_list; 50 51 const struct envsys_range *sme_ranges; 52 struct envsys_basic_info *sme_sensor_info; 53 struct envsys_tre_data *sme_sensor_data; 54 void *sme_cookie; /* for ENVSYS back-end */ 55 56 /* Callbacks */ 57 int (*sme_gtredata)(struct sysmon_envsys *, struct envsys_tre_data *); 58 int (*sme_streinfo)(struct sysmon_envsys *, struct envsys_basic_info *); 59 60 u_int sme_fsensor; /* sensor index base, from sysmon */ 61 u_int sme_nsensors; /* sensor count, from driver */ 62 }; 63 64 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor) 65 66 struct sysmon_wdog { 67 const char *smw_name; /* watchdog device name */ 68 69 LIST_ENTRY(sysmon_wdog) smw_list; 70 71 void *smw_cookie; /* for watchdog back-end */ 72 int (*smw_setmode)(struct sysmon_wdog *); 73 int (*smw_tickle)(struct sysmon_wdog *); 74 u_int smw_period; /* timer period (in seconds) */ 75 int smw_mode; /* timer mode */ 76 u_int smw_refcnt; /* references */ 77 pid_t smw_tickler; /* last process to tickle */ 78 }; 79 80 struct proc; 81 82 int sysmonopen_envsys(dev_t, int, int, struct proc *); 83 int sysmonclose_envsys(dev_t, int, int, struct proc *); 84 int sysmonioctl_envsys(dev_t, u_long, caddr_t, int, struct proc *); 85 86 int sysmon_envsys_register(struct sysmon_envsys *); 87 void sysmon_envsys_unregister(struct sysmon_envsys *); 88 89 int sysmonopen_wdog(dev_t, int, int, struct proc *); 90 int sysmonclose_wdog(dev_t, int, int, struct proc *); 91 int sysmonioctl_wdog(dev_t, u_long, caddr_t, int, struct proc *); 92 93 int sysmon_wdog_register(struct sysmon_wdog *); 94 void sysmon_wdog_unregister(struct sysmon_wdog *); 95 96 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */ 97