NetBSD-5.0.2/sys/dev/sysmon/sysmonvar.h
/* $NetBSD: sysmonvar.h,v 1.27 2008/06/03 15:00:57 jmcneill Exp $ */
/*-
* Copyright (c) 2000 Zembu Labs, Inc.
* All rights reserved.
*
* Author: Jason R. Thorpe <thorpej@zembu.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Zembu Labs, Inc.
* 4. Neither the name of Zembu Labs nor the names of its employees may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
* RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
* CLAIMED. IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_SYSMON_SYSMONVAR_H_
#define _DEV_SYSMON_SYSMONVAR_H_
#include <sys/param.h>
#include <sys/envsys.h>
#include <sys/wdog.h>
#include <sys/power.h>
#include <sys/queue.h>
#include <sys/callout.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
struct lwp;
struct proc;
struct knote;
struct uio;
struct workqueue;
#define SYSMON_MINOR_ENVSYS 0
#define SYSMON_MINOR_WDOG 1
#define SYSMON_MINOR_POWER 2
/*****************************************************************************
* Environmental sensor support
*****************************************************************************/
struct sme_event;
struct sme_sensor_names;
struct sysmon_envsys {
const char *sme_name; /* envsys device name */
u_int sme_nsensors; /* sensors count, from driver */
u_int sme_fsensor; /* sensor index base, from sysmon */
#define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor)
int sme_class; /* class of device */
#define SME_CLASS_BATTERY 1 /* device is a battery */
#define SME_CLASS_ACADAPTER 2 /* device is an AC adapter */
int sme_flags; /* additional flags */
#define SME_FLAG_BUSY 0x00000001 /* device busy */
#define SME_DISABLE_REFRESH 0x00000002 /* disable sme_refresh */
#define SME_CALLOUT_INITIALIZED 0x00000004 /* callout was initialized */
#define SME_INIT_REFRESH 0x00000008 /* call sme_refresh() after
interrupts are enabled in
the autoconf(9) process. */
#define SME_POLL_ONLY 0x00000010 /* only poll sme_refresh */
void *sme_cookie; /* for ENVSYS back-end */
/*
* Function callback to receive data from device.
*/
void (*sme_refresh)(struct sysmon_envsys *, envsys_data_t *);
struct workqueue *sme_wq; /* the workqueue for the events */
struct callout sme_callout; /* for the events */
uint64_t sme_events_timeout; /* the timeout used in the callout */
/*
* linked list for the sysmon envsys devices.
*/
LIST_ENTRY(sysmon_envsys) sme_list;
/*
* linked list for the events that a device maintains.
*/
LIST_HEAD(, sme_event) sme_events_list;
/*
* tailq for the sensors that a device maintains.
*/
TAILQ_HEAD(, envsys_data) sme_sensors_list;
/*
* Locking/synchronization.
*/
kmutex_t sme_mtx;
kmutex_t sme_callout_mtx;
kcondvar_t sme_condvar;
};
int sysmonopen_envsys(dev_t, int, int, struct lwp *);
int sysmonclose_envsys(dev_t, int, int, struct lwp *);
int sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *);
struct sysmon_envsys *sysmon_envsys_create(void);
void sysmon_envsys_destroy(struct sysmon_envsys *);
int sysmon_envsys_register(struct sysmon_envsys *);
void sysmon_envsys_unregister(struct sysmon_envsys *);
int sysmon_envsys_sensor_attach(struct sysmon_envsys *, envsys_data_t *);
int sysmon_envsys_sensor_detach(struct sysmon_envsys *, envsys_data_t *);
void sysmon_envsys_init(void);
/*****************************************************************************
* Watchdog timer support
*****************************************************************************/
struct sysmon_wdog {
const char *smw_name; /* watchdog device name */
LIST_ENTRY(sysmon_wdog) smw_list;
void *smw_cookie; /* for watchdog back-end */
int (*smw_setmode)(struct sysmon_wdog *);
int (*smw_tickle)(struct sysmon_wdog *);
u_int smw_period; /* timer period (in seconds) */
int smw_mode; /* timer mode */
u_int smw_refcnt; /* references */
pid_t smw_tickler; /* last process to tickle */
};
int sysmonopen_wdog(dev_t, int, int, struct lwp *);
int sysmonclose_wdog(dev_t, int, int, struct lwp *);
int sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *);
int sysmon_wdog_register(struct sysmon_wdog *);
int sysmon_wdog_unregister(struct sysmon_wdog *);
void sysmon_wdog_init(void);
/*****************************************************************************
* Power management support
*****************************************************************************/
struct sysmon_pswitch {
const char *smpsw_name; /* power switch name */
int smpsw_type; /* power switch type */
LIST_ENTRY(sysmon_pswitch) smpsw_list;
};
int sysmonopen_power(dev_t, int, int, struct lwp *);
int sysmonclose_power(dev_t, int, int, struct lwp *);
int sysmonread_power(dev_t, struct uio *, int);
int sysmonpoll_power(dev_t, int, struct lwp *);
int sysmonkqfilter_power(dev_t, struct knote *);
int sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *);
void sysmon_power_settype(const char *);
int sysmon_pswitch_register(struct sysmon_pswitch *);
void sysmon_pswitch_unregister(struct sysmon_pswitch *);
void sysmon_pswitch_event(struct sysmon_pswitch *, int);
void sysmon_penvsys_event(struct penvsys_state *, int);
void sysmon_power_init(void);
#endif /* _DEV_SYSMON_SYSMONVAR_H_ */