sysmonvar.h revision 1.14 1 /* $NetBSD: sysmonvar.h,v 1.14 2007/05/08 20:04:42 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 #include <sys/envsys.h>
40 #include <sys/wdog.h>
41 #include <sys/power.h>
42 #include <sys/queue.h>
43
44 struct lwp;
45 struct proc;
46 struct knote;
47 struct uio;
48
49 #define SYSMON_MINOR_ENVSYS 0
50 #define SYSMON_MINOR_WDOG 1
51 #define SYSMON_MINOR_POWER 2
52
53 /*****************************************************************************
54 * Environmental sensor support
55 *****************************************************************************/
56
57 struct sysmon_envsys {
58 int32_t sme_envsys_version; /* ENVSYS API version */
59
60 LIST_ENTRY(sysmon_envsys) sme_list;
61
62 const struct envsys_range *sme_ranges;
63 struct envsys_basic_info *sme_sensor_info;
64 struct envsys_tre_data *sme_sensor_data;
65 void *sme_cookie; /* for ENVSYS back-end */
66
67 /* Callbacks */
68 int (*sme_gtredata)(struct sysmon_envsys *, struct envsys_tre_data *);
69 int (*sme_streinfo)(struct sysmon_envsys *, struct envsys_basic_info *);
70
71 u_int sme_fsensor; /* sensor index base, from sysmon */
72 u_int sme_nsensors; /* sensor count, from driver */
73 int sme_flags; /* SME_FLAG_ flags defined below */
74 };
75
76 #define SME_FLAG_BUSY 0x00000001 /* sme is busy */
77 #define SME_FLAG_WANTED 0x00000002 /* someone waiting for this */
78
79 #define SME_SENSOR_IDX(sme, idx) ((idx) - (sme)->sme_fsensor)
80
81 int sysmonopen_envsys(dev_t, int, int, struct lwp *);
82 int sysmonclose_envsys(dev_t, int, int, struct lwp *);
83 int sysmonioctl_envsys(dev_t, u_long, void *, int, struct lwp *);
84
85 int sysmon_envsys_register(struct sysmon_envsys *);
86 void sysmon_envsys_unregister(struct sysmon_envsys *);
87
88 /*****************************************************************************
89 * Watchdog timer support
90 *****************************************************************************/
91
92 struct sysmon_wdog {
93 const char *smw_name; /* watchdog device name */
94
95 LIST_ENTRY(sysmon_wdog) smw_list;
96
97 void *smw_cookie; /* for watchdog back-end */
98 int (*smw_setmode)(struct sysmon_wdog *);
99 int (*smw_tickle)(struct sysmon_wdog *);
100 u_int smw_period; /* timer period (in seconds) */
101 int smw_mode; /* timer mode */
102 u_int smw_refcnt; /* references */
103 pid_t smw_tickler; /* last process to tickle */
104 };
105
106 int sysmonopen_wdog(dev_t, int, int, struct lwp *);
107 int sysmonclose_wdog(dev_t, int, int, struct lwp *);
108 int sysmonioctl_wdog(dev_t, u_long, void *, int, struct lwp *);
109
110 int sysmon_wdog_register(struct sysmon_wdog *);
111 void sysmon_wdog_unregister(struct sysmon_wdog *);
112
113 /*****************************************************************************
114 * Power management support
115 *****************************************************************************/
116
117 struct sysmon_pswitch {
118 const char *smpsw_name; /* power switch name */
119 int smpsw_type; /* power switch type */
120
121 LIST_ENTRY(sysmon_pswitch) smpsw_list;
122 };
123
124 int sysmonopen_power(dev_t, int, int, struct lwp *);
125 int sysmonclose_power(dev_t, int, int, struct lwp *);
126 int sysmonread_power(dev_t, struct uio *, int);
127 int sysmonpoll_power(dev_t, int, struct lwp *);
128 int sysmonkqfilter_power(dev_t, struct knote *);
129 int sysmonioctl_power(dev_t, u_long, void *, int, struct lwp *);
130
131 void sysmon_power_settype(const char *);
132
133 int sysmon_pswitch_register(struct sysmon_pswitch *);
134 void sysmon_pswitch_unregister(struct sysmon_pswitch *);
135
136 void sysmon_pswitch_event(struct sysmon_pswitch *, int);
137
138 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */
139