1 /* $NetBSD: sysmon_envsysvar.h,v 1.26 2007/11/20 17:24:32 xtraeme Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 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_critval; /* critical value set */ 86 int see_type; /* type of the event */ 87 int see_evsent; /* event already sent */ 88 int see_flags; /* see above */ 89 #define SME_EVENT_WORKING 0x0001 /* This event is busy */ 90 #define SME_EVENT_REFRESHED 0x0002 /* sensor already refreshed */ 91 } sme_event_t; 92 93 /* 94 * struct by a sysmon envsys event set by a driver. 95 */ 96 typedef struct sme_event_drv { 97 struct sysmon_envsys *sed_sme; 98 prop_dictionary_t sed_sdict; 99 envsys_data_t *sed_edata; 100 int sed_powertype; 101 } sme_event_drv_t; 102 103 struct sme_description_table { 104 int type; 105 int crittype; 106 const char *desc; 107 }; 108 109 /* 110 * common stuff. 111 */ 112 extern kmutex_t sme_mtx; /* mutex for devices/events */ 113 extern kmutex_t sme_events_mtx; /* to init/destroy the events layer */ 114 extern kmutex_t sme_callout_mtx; /* for the callouts */ 115 extern kcondvar_t sme_cv; /* to wait for devices/events working */ 116 117 /* 118 * linked list for the sysmon envsys devices. 119 */ 120 LIST_HEAD(, sysmon_envsys) sysmon_envsys_list; 121 122 /* 123 * functions to handle sysmon envsys devices. 124 */ 125 sme_event_drv_t *sme_add_sensor_dictionary(struct sysmon_envsys *, 126 prop_array_t, 127 prop_dictionary_t, 128 envsys_data_t *); 129 int sme_update_dictionary(struct sysmon_envsys *); 130 int sme_userset_dictionary(struct sysmon_envsys *, 131 prop_dictionary_t, prop_array_t); 132 prop_dictionary_t sme_sensor_dictionary_get(prop_array_t, const char *); 133 struct sysmon_envsys *sysmon_envsys_find(const char *); 134 void sysmon_envsys_acquire(struct sysmon_envsys *); 135 void sysmon_envsys_release(struct sysmon_envsys *); 136 137 /* 138 * functions to handle sysmon envsys events. 139 */ 140 int sme_event_register(prop_dictionary_t, envsys_data_t *, 141 struct sysmon_envsys *, const char *, 142 int32_t, int, int); 143 int sme_event_unregister(struct sysmon_envsys *, const char *, int); 144 void sme_event_unregister_all(struct sysmon_envsys *); 145 void sme_event_drvadd(void *); 146 int sme_events_init(struct sysmon_envsys *); 147 void sme_events_destroy(struct sysmon_envsys *); 148 void sme_events_check(void *); 149 void sme_events_worker(struct work *, void *); 150 151 /* 152 * common functions to create/update objects in a dictionary. 153 */ 154 int sme_sensor_upbool(prop_dictionary_t, const char *, bool); 155 int sme_sensor_upint32(prop_dictionary_t, const char *, int32_t); 156 int sme_sensor_upuint32(prop_dictionary_t, const char *, uint32_t); 157 int sme_sensor_upstring(prop_dictionary_t, const char *, const char *); 158 159 const struct sme_description_table *sme_get_description_table(int); 160 161 #endif /* _DEV_SYSMON_ENVSYSVAR_H_ */ 162