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sysmonvar.h revision 1.24
      1  1.24   xtraeme /*	$NetBSD: sysmonvar.h,v 1.24 2008/03/23 16:09:41 xtraeme Exp $	*/
      2   1.1   thorpej 
      3   1.1   thorpej /*-
      4   1.1   thorpej  * Copyright (c) 2000 Zembu Labs, Inc.
      5   1.1   thorpej  * All rights reserved.
      6   1.1   thorpej  *
      7   1.1   thorpej  * Author: Jason R. Thorpe <thorpej (at) zembu.com>
      8   1.1   thorpej  *
      9   1.1   thorpej  * Redistribution and use in source and binary forms, with or without
     10   1.1   thorpej  * modification, are permitted provided that the following conditions
     11   1.1   thorpej  * are met:
     12   1.1   thorpej  * 1. Redistributions of source code must retain the above copyright
     13   1.1   thorpej  *    notice, this list of conditions and the following disclaimer.
     14   1.1   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     15   1.1   thorpej  *    notice, this list of conditions and the following disclaimer in the
     16   1.1   thorpej  *    documentation and/or other materials provided with the distribution.
     17   1.1   thorpej  * 3. All advertising materials mentioning features or use of this software
     18   1.1   thorpej  *    must display the following acknowledgement:
     19   1.1   thorpej  *	This product includes software developed by Zembu Labs, Inc.
     20   1.1   thorpej  * 4. Neither the name of Zembu Labs nor the names of its employees may
     21   1.1   thorpej  *    be used to endorse or promote products derived from this software
     22   1.1   thorpej  *    without specific prior written permission.
     23   1.1   thorpej  *
     24   1.1   thorpej  * THIS SOFTWARE IS PROVIDED BY ZEMBU LABS, INC. ``AS IS'' AND ANY EXPRESS
     25   1.1   thorpej  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAR-
     26   1.1   thorpej  * RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
     27   1.1   thorpej  * CLAIMED.  IN NO EVENT SHALL ZEMBU LABS BE LIABLE FOR ANY DIRECT, INDIRECT,
     28   1.1   thorpej  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     29   1.1   thorpej  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     30   1.1   thorpej  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     31   1.1   thorpej  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     32   1.1   thorpej  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     33   1.1   thorpej  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34   1.1   thorpej  */
     35   1.1   thorpej 
     36   1.1   thorpej #ifndef _DEV_SYSMON_SYSMONVAR_H_
     37   1.1   thorpej #define	_DEV_SYSMON_SYSMONVAR_H_
     38   1.1   thorpej 
     39   1.1   thorpej #include <sys/envsys.h>
     40   1.2   thorpej #include <sys/wdog.h>
     41   1.6   thorpej #include <sys/power.h>
     42   1.1   thorpej #include <sys/queue.h>
     43  1.21   xtraeme #include <sys/callout.h>
     44  1.21   xtraeme #include <sys/workqueue.h>
     45   1.1   thorpej 
     46  1.11  christos struct lwp;
     47   1.4   thorpej struct proc;
     48   1.6   thorpej struct knote;
     49   1.6   thorpej struct uio;
     50   1.4   thorpej 
     51   1.3   thorpej #define	SYSMON_MINOR_ENVSYS	0
     52   1.3   thorpej #define	SYSMON_MINOR_WDOG	1
     53   1.6   thorpej #define	SYSMON_MINOR_POWER	2
     54   1.3   thorpej 
     55   1.4   thorpej /*****************************************************************************
     56   1.4   thorpej  * Environmental sensor support
     57   1.4   thorpej  *****************************************************************************/
     58   1.4   thorpej 
     59  1.21   xtraeme struct sme_event;
     60  1.21   xtraeme struct sme_sensor_names;
     61  1.16   xtraeme 
     62   1.1   thorpej struct sysmon_envsys {
     63  1.21   xtraeme 	const char *sme_name;		/* envsys device name */
     64  1.21   xtraeme 	u_int sme_nsensors;		/* sensors count, from driver */
     65  1.21   xtraeme 	u_int sme_fsensor;		/* sensor index base, from sysmon */
     66  1.21   xtraeme #define SME_SENSOR_IDX(sme, idx) 	((idx) - (sme)->sme_fsensor)
     67  1.21   xtraeme 	int sme_class;			/* class of device */
     68  1.19   xtraeme #define SME_CLASS_BATTERY	1		/* device is a battery */
     69  1.19   xtraeme #define SME_CLASS_ACADAPTER	2		/* device is an AC adapter */
     70  1.21   xtraeme 	int sme_flags;			/* additional flags */
     71  1.21   xtraeme #define SME_FLAG_BUSY 		0x00000001 	/* device busy */
     72  1.21   xtraeme #define SME_DISABLE_REFRESH	0x00000002	/* disable sme_refresh */
     73  1.21   xtraeme #define SME_CALLOUT_INITIALIZED	0x00000004	/* callout was initialized */
     74  1.24   xtraeme #define SME_INIT_REFRESH        0x00000008      /* call sme_refresh() after
     75  1.24   xtraeme 						   interrupts are enabled in
     76  1.24   xtraeme 						   the autoconf(9) process. */
     77  1.21   xtraeme 
     78  1.21   xtraeme 	void *sme_cookie;		/* for ENVSYS back-end */
     79  1.19   xtraeme 
     80  1.21   xtraeme 	/*
     81  1.21   xtraeme 	 * Function callback to receive data from device.
     82  1.21   xtraeme 	 */
     83  1.21   xtraeme 	void (*sme_refresh)(struct sysmon_envsys *, envsys_data_t *);
     84   1.1   thorpej 
     85  1.21   xtraeme 	struct workqueue *sme_wq;	/* the workqueue for the events */
     86  1.21   xtraeme 	struct callout sme_callout;	/* for the events */
     87  1.21   xtraeme 	uint64_t sme_events_timeout;	/* the timeout used in the callout */
     88  1.15   xtraeme 
     89  1.21   xtraeme 	/*
     90  1.21   xtraeme 	 * linked list for the sysmon envsys devices.
     91  1.21   xtraeme 	 */
     92   1.1   thorpej 	LIST_ENTRY(sysmon_envsys) sme_list;
     93  1.19   xtraeme 
     94  1.16   xtraeme 	/*
     95  1.21   xtraeme 	 * linked list for the events that a device maintains.
     96  1.16   xtraeme 	 */
     97  1.21   xtraeme 	LIST_HEAD(, sme_event) sme_events_list;
     98   1.1   thorpej 
     99  1.21   xtraeme 	/*
    100  1.21   xtraeme 	 * tailq for the sensors that a device maintains.
    101  1.21   xtraeme 	 */
    102  1.21   xtraeme 	TAILQ_HEAD(, envsys_data) sme_sensors_list;
    103   1.1   thorpej };
    104   1.9      yamt 
    105  1.11  christos int	sysmonopen_envsys(dev_t, int, int, struct lwp *);
    106  1.11  christos int	sysmonclose_envsys(dev_t, int, int, struct lwp *);
    107  1.13  christos int	sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *);
    108   1.4   thorpej 
    109  1.21   xtraeme struct sysmon_envsys 	*sysmon_envsys_create(void);
    110  1.21   xtraeme void 			sysmon_envsys_destroy(struct sysmon_envsys *);
    111  1.21   xtraeme 
    112   1.4   thorpej int	sysmon_envsys_register(struct sysmon_envsys *);
    113   1.4   thorpej void	sysmon_envsys_unregister(struct sysmon_envsys *);
    114  1.15   xtraeme 
    115  1.21   xtraeme int	sysmon_envsys_sensor_attach(struct sysmon_envsys *, envsys_data_t *);
    116  1.21   xtraeme int	sysmon_envsys_sensor_detach(struct sysmon_envsys *, envsys_data_t *);
    117  1.21   xtraeme 
    118  1.15   xtraeme void	sysmon_envsys_init(void);
    119   1.4   thorpej 
    120   1.4   thorpej /*****************************************************************************
    121   1.4   thorpej  * Watchdog timer support
    122   1.4   thorpej  *****************************************************************************/
    123   1.4   thorpej 
    124   1.2   thorpej struct sysmon_wdog {
    125   1.2   thorpej 	const char *smw_name;		/* watchdog device name */
    126   1.2   thorpej 
    127   1.2   thorpej 	LIST_ENTRY(sysmon_wdog) smw_list;
    128   1.2   thorpej 
    129   1.2   thorpej 	void *smw_cookie;		/* for watchdog back-end */
    130   1.2   thorpej 	int (*smw_setmode)(struct sysmon_wdog *);
    131   1.2   thorpej 	int (*smw_tickle)(struct sysmon_wdog *);
    132   1.2   thorpej 	u_int smw_period;		/* timer period (in seconds) */
    133   1.2   thorpej 	int smw_mode;			/* timer mode */
    134   1.2   thorpej 	u_int smw_refcnt;		/* references */
    135   1.2   thorpej 	pid_t smw_tickler;		/* last process to tickle */
    136   1.2   thorpej };
    137   1.3   thorpej 
    138  1.11  christos int	sysmonopen_wdog(dev_t, int, int, struct lwp *);
    139  1.11  christos int	sysmonclose_wdog(dev_t, int, int, struct lwp *);
    140  1.13  christos int	sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *);
    141   1.2   thorpej 
    142  1.11  christos int     sysmon_wdog_register(struct sysmon_wdog *);
    143  1.23    dyoung int     sysmon_wdog_unregister(struct sysmon_wdog *);
    144   1.5   thorpej 
    145  1.17   xtraeme void	sysmon_wdog_init(void);
    146  1.17   xtraeme 
    147   1.5   thorpej /*****************************************************************************
    148   1.5   thorpej  * Power management support
    149   1.5   thorpej  *****************************************************************************/
    150   1.5   thorpej 
    151   1.5   thorpej struct sysmon_pswitch {
    152   1.5   thorpej 	const char *smpsw_name;		/* power switch name */
    153   1.5   thorpej 	int smpsw_type;			/* power switch type */
    154   1.5   thorpej 
    155   1.5   thorpej 	LIST_ENTRY(sysmon_pswitch) smpsw_list;
    156   1.5   thorpej };
    157   1.5   thorpej 
    158  1.11  christos int	sysmonopen_power(dev_t, int, int, struct lwp *);
    159  1.11  christos int	sysmonclose_power(dev_t, int, int, struct lwp *);
    160   1.6   thorpej int	sysmonread_power(dev_t, struct uio *, int);
    161  1.11  christos int	sysmonpoll_power(dev_t, int, struct lwp *);
    162   1.6   thorpej int	sysmonkqfilter_power(dev_t, struct knote *);
    163  1.13  christos int	sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *);
    164   1.5   thorpej 
    165   1.6   thorpej void	sysmon_power_settype(const char *);
    166   1.5   thorpej 
    167   1.5   thorpej int	sysmon_pswitch_register(struct sysmon_pswitch *);
    168   1.5   thorpej void	sysmon_pswitch_unregister(struct sysmon_pswitch *);
    169   1.5   thorpej 
    170   1.5   thorpej void	sysmon_pswitch_event(struct sysmon_pswitch *, int);
    171  1.15   xtraeme void	sysmon_penvsys_event(struct penvsys_state *, int);
    172  1.15   xtraeme 
    173  1.15   xtraeme void	sysmon_power_init(void);
    174  1.15   xtraeme 
    175   1.1   thorpej #endif /* _DEV_SYSMON_SYSMONVAR_H_ */
    176