summaryrefslogtreecommitdiff
path: root/sys/dev/sysmon/sysmonvar.h
blob: 9b546d781dc66268bbd2ed0545d9a2bdf9f6a881 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*	$NetBSD: sysmonvar.h,v 1.20 2007/11/03 23:25:20 xtraeme 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/envsys.h>
#include <sys/wdog.h>
#include <sys/power.h>
#include <sys/queue.h>

struct lwp;
struct proc;
struct knote;
struct uio;

#define	SYSMON_MINOR_ENVSYS	0
#define	SYSMON_MINOR_WDOG	1
#define	SYSMON_MINOR_POWER	2

/*****************************************************************************
 * Environmental sensor support
 *****************************************************************************/

struct sme_sensor_names {
	SLIST_ENTRY(sme_sensor_names) sme_names;
	int 	assigned;
	char 	desc[ENVSYS_DESCLEN];
};

struct sysmon_envsys {
	const char *sme_name;			/* envsys device name */
	uint32_t sme_nsensors;			/* sensor count, from driver */
	uint32_t sme_uniqsensors;

	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 	/* sme is busy */
#define SME_FLAG_WANTED 	0x00000002 	/* someone waiting for this */
#define SME_DISABLE_GTREDATA	0x00000004	/* disable sme_gtredata */

	envsys_data_t *sme_sensor_data;		/* pointer to device data */

	/* linked list for the sysmon envsys devices */
	LIST_ENTRY(sysmon_envsys) sme_list;

	/* 
	 * Singly linked list for the sysmon envsys sensor descriptions.
	 */
	SLIST_HEAD(, sme_sensor_names) sme_names_list;

	void *sme_cookie;			/* for ENVSYS back-end */

	/* Function callback to recieve data from device */
	int (*sme_gtredata)(struct sysmon_envsys *, envsys_data_t *);

	uint32_t sme_fsensor;		/* sensor index base, from sysmon */
#define SME_SENSOR_IDX(sme, idx)	((idx) - (sme)->sme_fsensor)
};

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 *);

int	sysmon_envsys_register(struct sysmon_envsys *);
void	sysmon_envsys_unregister(struct sysmon_envsys *);

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 *);
void    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_ */