sysmonvar.h revision 1.15 1 /* $NetBSD: sysmonvar.h,v 1.15 2007/07/01 07:37:01 xtraeme Exp $ */
2
3 /*-
4 * Copyright (c) 2000 Zembu Labs, Inc.
5 * All rights reserved.
6 *
7 * Author: Jason R. Thorpe <thorpej (at) 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 #ifndef _LKM
40 #include "opt_compat_netbsd.h"
41 #endif
42 #include <sys/envsys.h>
43 #include <sys/wdog.h>
44 #include <sys/power.h>
45 #include <sys/queue.h>
46
47 struct lwp;
48 struct proc;
49 struct knote;
50 struct uio;
51
52 #define SYSMON_MINOR_ENVSYS 0
53 #define SYSMON_MINOR_WDOG 1
54 #define SYSMON_MINOR_POWER 2
55
56 /*****************************************************************************
57 * Environmental sensor support
58 *****************************************************************************/
59
60 struct sysmon_envsys {
61 const char *sme_name; /* envsys device name */
62 uint32_t sme_nsensors; /* sensor count, from driver */
63 int sme_flags; /* additional flags */
64 #define SME_FLAG_BUSY 0x00000001 /* sme is busy */
65 #define SME_FLAG_WANTED 0x00000002 /* someone waiting for this */
66 #define SME_DISABLE_GTREDATA 0x00000004 /* disable sme_gtredata */
67
68 envsys_data_t *sme_sensor_data; /* pointer to device data */
69
70 /* linked list for the sysmon envsys devices */
71 LIST_ENTRY(sysmon_envsys) sme_list;
72
73 void *sme_cookie; /* for ENVSYS back-end */
74
75 /* Function callback to recieve data from device */
76 int (*sme_gtredata)(struct sysmon_envsys *, envsys_data_t *);
77
78 #ifdef COMPAT_40
79 u_int sme_fsensor; /* sensor index base, from sysmon */
80 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor)
81 #endif
82 };
83
84 int sysmonopen_envsys(dev_t, int, int, struct lwp *);
85 int sysmonclose_envsys(dev_t, int, int, struct lwp *);
86 int sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *);
87
88 int sysmon_envsys_register(struct sysmon_envsys *);
89 void sysmon_envsys_unregister(struct sysmon_envsys *);
90 struct sysmon_envsys *sysmon_envsys_find(const char *);
91
92 void sysmon_envsys_init(void);
93
94 /*****************************************************************************
95 * Watchdog timer support
96 *****************************************************************************/
97
98 struct sysmon_wdog {
99 const char *smw_name; /* watchdog device name */
100
101 LIST_ENTRY(sysmon_wdog) smw_list;
102
103 void *smw_cookie; /* for watchdog back-end */
104 int (*smw_setmode)(struct sysmon_wdog *);
105 int (*smw_tickle)(struct sysmon_wdog *);
106 u_int smw_period; /* timer period (in seconds) */
107 int smw_mode; /* timer mode */
108 u_int smw_refcnt; /* references */
109 pid_t smw_tickler; /* last process to tickle */
110 };
111
112 int sysmonopen_wdog(dev_t, int, int, struct lwp *);
113 int sysmonclose_wdog(dev_t, int, int, struct lwp *);
114 int sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *);
115
116 int sysmon_wdog_register(struct sysmon_wdog *);
117 void sysmon_wdog_unregister(struct sysmon_wdog *);
118
119 /*****************************************************************************
120 * Power management support
121 *****************************************************************************/
122
123 struct sysmon_pswitch {
124 const char *smpsw_name; /* power switch name */
125 int smpsw_type; /* power switch type */
126
127 LIST_ENTRY(sysmon_pswitch) smpsw_list;
128 };
129
130 int sysmonopen_power(dev_t, int, int, struct lwp *);
131 int sysmonclose_power(dev_t, int, int, struct lwp *);
132 int sysmonread_power(dev_t, struct uio *, int);
133 int sysmonpoll_power(dev_t, int, struct lwp *);
134 int sysmonkqfilter_power(dev_t, struct knote *);
135 int sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *);
136
137 void sysmon_power_settype(const char *);
138
139 int sysmon_pswitch_register(struct sysmon_pswitch *);
140 void sysmon_pswitch_unregister(struct sysmon_pswitch *);
141
142 void sysmon_pswitch_event(struct sysmon_pswitch *, int);
143 void sysmon_penvsys_event(struct penvsys_state *, int);
144
145 void sysmon_power_init(void);
146
147 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */
148