xref: /netbsd/sys/dev/sysmon/sysmonvar.h (revision bf9ec67e)
1 /*	$NetBSD: sysmonvar.h,v 1.3 2000/11/05 04:06:14 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 Zembu Labs, Inc.
5  * All rights reserved.
6  *
7  * Author: Jason R. Thorpe <thorpej@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/queue.h>
42 
43 #define	SYSMON_MINOR_ENVSYS	0
44 #define	SYSMON_MINOR_WDOG	1
45 
46 struct sysmon_envsys {
47 	int32_t sme_envsys_version;	/* ENVSYS API version */
48 
49 	LIST_ENTRY(sysmon_envsys) sme_list;
50 
51 	const struct envsys_range *sme_ranges;
52 	struct envsys_basic_info *sme_sensor_info;
53 	struct envsys_tre_data *sme_sensor_data;
54 	void *sme_cookie;		/* for ENVSYS back-end */
55 
56 	/* Callbacks */
57 	int (*sme_gtredata)(struct sysmon_envsys *, struct envsys_tre_data *);
58 	int (*sme_streinfo)(struct sysmon_envsys *, struct envsys_basic_info *);
59 
60 	u_int sme_fsensor;		/* sensor index base, from sysmon */
61 	u_int sme_nsensors;		/* sensor count, from driver */
62 };
63 
64 #define	SME_SENSOR_IDX(sme, idx)	((idx) - (sme)->sme_fsensor)
65 
66 struct sysmon_wdog {
67 	const char *smw_name;		/* watchdog device name */
68 
69 	LIST_ENTRY(sysmon_wdog) smw_list;
70 
71 	void *smw_cookie;		/* for watchdog back-end */
72 	int (*smw_setmode)(struct sysmon_wdog *);
73 	int (*smw_tickle)(struct sysmon_wdog *);
74 	u_int smw_period;		/* timer period (in seconds) */
75 	int smw_mode;			/* timer mode */
76 	u_int smw_refcnt;		/* references */
77 	pid_t smw_tickler;		/* last process to tickle */
78 };
79 
80 struct proc;
81 
82 int	sysmonopen_envsys(dev_t, int, int, struct proc *);
83 int	sysmonclose_envsys(dev_t, int, int, struct proc *);
84 int	sysmonioctl_envsys(dev_t, u_long, caddr_t, int, struct proc *);
85 
86 int	sysmon_envsys_register(struct sysmon_envsys *);
87 void	sysmon_envsys_unregister(struct sysmon_envsys *);
88 
89 int	sysmonopen_wdog(dev_t, int, int, struct proc *);
90 int	sysmonclose_wdog(dev_t, int, int, struct proc *);
91 int	sysmonioctl_wdog(dev_t, u_long, caddr_t, int, struct proc *);
92 
93 int	sysmon_wdog_register(struct sysmon_wdog *);
94 void	sysmon_wdog_unregister(struct sysmon_wdog *);
95 
96 #endif /* _DEV_SYSMON_SYSMONVAR_H_ */
97