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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/* $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_ */
|