xref: /netbsd-src/sys/dev/sysmon/sysmon_envsysvar.h (revision b5677b36047b601b9addaaa494a58ceae82c2a6c)
1 /* $NetBSD: sysmon_envsysvar.h,v 1.28 2008/08/22 11:27:50 pgoyette Exp $ */
2 
3 /*-
4  * Copyright (c) 2007, 2008 Juan Romero Pardines.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef _DEV_SYSMON_ENVSYSVAR_H_
29 #define _DEV_SYSMON_ENVSYSVAR_H_
30 
31 #include <sys/param.h>
32 #include <sys/types.h>
33 #include <sys/conf.h>
34 #include <sys/kernel.h>
35 #include <sys/systm.h>
36 #include <sys/mutex.h>
37 #include <sys/workqueue.h>
38 #include <sys/condvar.h>
39 
40 #include <dev/sysmon/sysmonvar.h>
41 #include <prop/proplib.h>
42 
43 enum sme_description_types {
44 	SME_DESC_UNITS = 1,
45 	SME_DESC_STATES,
46 	SME_DESC_DRIVE_STATES,
47 	SME_DESC_BATTERY_CAPACITY
48 };
49 
50 #ifdef ENVSYS_DEBUG
51 #define DPRINTF(x)	printf x
52 #else
53 #define DPRINTF(x)
54 #endif
55 
56 #ifdef ENVSYS_OBJECTS_DEBUG
57 #define DPRINTFOBJ(x)	printf x
58 #else
59 #define DPRINTFOBJ(x)
60 #endif
61 
62 /*
63  * Default timeout value for the callouts if no specified.
64  */
65 #define SME_EVENTS_DEFTIMEOUT	30
66 
67 /*
68  * struct used by a sensor description in a sysmon envsys device.
69  */
70 struct sme_sensor_names {
71 	SLIST_ENTRY(sme_sensor_names) sme_names;
72 	int	assigned;
73 	char	desc[ENVSYS_DESCLEN];
74 };
75 
76 /*
77  * struct used by a sysmon envsys event.
78  */
79 typedef struct sme_event {
80 	struct work		see_wk;
81 	LIST_ENTRY(sme_event) 	see_list;
82 	struct sysmon_envsys	*see_sme;	/* device associated */
83 	struct penvsys_state	see_pes;	/* our power envsys */
84 	envsys_data_t		*see_edata;	/* our sensor data */
85 	int32_t			see_critmin;	/* critical-min value set */
86 	int32_t			see_warnmin;	/* warning-min value set */
87 	int32_t			see_warnmax;	/* warning-max value set */
88 	int32_t			see_critmax;	/* critical-max value set */
89 	int			see_type;	/* type of the event */
90 	int			see_evsent;	/* event already sent */
91 	int 			see_flags;	/* see above */
92 #define SEE_EVENT_WORKING	0x0001 		/* This event is busy */
93 } sme_event_t;
94 
95 /*
96  * struct by a sysmon envsys event set by a driver.
97  */
98 typedef struct sme_event_drv {
99 	struct sysmon_envsys	*sed_sme;
100 	prop_dictionary_t	sed_sdict;
101 	envsys_data_t		*sed_edata;
102 	int			sed_powertype;
103 } sme_event_drv_t;
104 
105 struct sme_description_table {
106 	int 		type;
107 	int 		crittype;
108 	const char 	*desc;
109 };
110 
111 /*
112  * common stuff.
113  */
114 extern	kmutex_t sme_global_mtx; 	/* for the sme linked list and dict */
115 
116 /*
117  * linked list for the sysmon envsys devices.
118  */
119 LIST_HEAD(, sysmon_envsys) sysmon_envsys_list;
120 
121 /*
122  * functions to handle sysmon envsys devices.
123  */
124 sme_event_drv_t *sme_add_sensor_dictionary(struct sysmon_envsys *,
125 					   prop_array_t,
126 			    	  	   prop_dictionary_t,
127 					   envsys_data_t *);
128 int	sme_update_dictionary(struct sysmon_envsys *);
129 int	sme_userset_dictionary(struct sysmon_envsys *,
130 			       prop_dictionary_t, prop_array_t);
131 prop_dictionary_t sme_sensor_dictionary_get(prop_array_t, const char *);
132 struct	sysmon_envsys *sysmon_envsys_find(const char *);
133 void	sysmon_envsys_acquire(struct sysmon_envsys *, bool);
134 void	sysmon_envsys_release(struct sysmon_envsys *, bool);
135 
136 /*
137  * functions to handle sysmon envsys events.
138  */
139 int	sme_event_register(prop_dictionary_t, envsys_data_t *,
140 			   struct sysmon_envsys *, const char *,
141 			   int32_t, int, int);
142 int	sme_event_unregister(struct sysmon_envsys *, const char *, int);
143 void	sme_event_unregister_all(struct sysmon_envsys *);
144 void	sme_event_drvadd(void *);
145 int	sme_events_init(struct sysmon_envsys *);
146 void	sme_events_destroy(struct sysmon_envsys *);
147 void	sme_events_check(void *);
148 void 	sme_events_worker(struct work *, void *);
149 
150 /*
151  * common functions to create/update objects in a dictionary.
152  */
153 int	sme_sensor_upbool(prop_dictionary_t, const char *, bool);
154 int	sme_sensor_upint32(prop_dictionary_t, const char *, int32_t);
155 int	sme_sensor_upuint32(prop_dictionary_t, const char *, uint32_t);
156 int	sme_sensor_upstring(prop_dictionary_t, const char *, const char *);
157 
158 const struct	sme_description_table *sme_get_description_table(int);
159 
160 #endif /* _DEV_SYSMON_ENVSYSVAR_H_ */
161