1 /* $NetBSD: sysmon_envsysvar.h,v 1.36 2010/04/10 19:01:01 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 sysmon envsys event. 69 */ 70 typedef struct sme_event { 71 struct work see_wk; 72 LIST_ENTRY(sme_event) see_list; 73 struct sysmon_envsys *see_sme; /* device associated */ 74 struct penvsys_state see_pes; /* our power envsys */ 75 envsys_data_t *see_edata; /* our sensor data */ 76 sysmon_envsys_lim_t see_lims; /* limit values */ 77 int see_type; /* type of the event */ 78 int see_evsent; /* event already sent */ 79 int see_flags; /* see above */ 80 #define SEE_EVENT_WORKING 0x0001 /* This event is busy */ 81 } sme_event_t; 82 83 /* 84 * struct by a sysmon envsys event set by a driver. 85 */ 86 typedef struct sme_event_drv { 87 struct sysmon_envsys *sed_sme; 88 prop_dictionary_t sed_sdict; 89 envsys_data_t *sed_edata; 90 int sed_powertype; 91 } sme_event_drv_t; 92 93 struct sme_description_table { 94 int type; 95 int crittype; 96 const char *desc; 97 }; 98 99 /* 100 * common stuff. 101 */ 102 extern kmutex_t sme_global_mtx; /* for the sme linked list and dict */ 103 extern prop_dictionary_t sme_propd; /* the global sensor dictionary */ 104 105 /* 106 * linked list for the sysmon envsys devices. 107 */ 108 LIST_HEAD(, sysmon_envsys) sysmon_envsys_list; 109 110 /* 111 * functions to handle sysmon envsys devices. 112 */ 113 int sme_update_dictionary(struct sysmon_envsys *); 114 int sme_userset_dictionary(struct sysmon_envsys *, 115 prop_dictionary_t, prop_array_t); 116 prop_dictionary_t sme_sensor_dictionary_get(prop_array_t, const char *); 117 struct sysmon_envsys *sysmon_envsys_find(const char *); 118 void sysmon_envsys_acquire(struct sysmon_envsys *, bool); 119 void sysmon_envsys_release(struct sysmon_envsys *, bool); 120 121 /* 122 * functions to handle sysmon envsys events. 123 */ 124 int sme_event_register(prop_dictionary_t, envsys_data_t *, 125 struct sysmon_envsys *, sysmon_envsys_lim_t *, 126 uint32_t, int, int); 127 int sme_event_unregister(struct sysmon_envsys *, const char *, int); 128 void sme_event_unregister_all(struct sysmon_envsys *); 129 void sme_event_drvadd(void *); 130 int sme_events_init(struct sysmon_envsys *); 131 void sme_events_destroy(struct sysmon_envsys *); 132 void sme_events_check(void *); 133 void sme_events_worker(struct work *, void *); 134 void sme_deliver_event(sme_event_t *); 135 int sme_update_limits(struct sysmon_envsys *, envsys_data_t *); 136 137 /* 138 * common functions to create/update objects in a dictionary. 139 */ 140 int sme_sensor_upbool(prop_dictionary_t, const char *, bool); 141 int sme_sensor_upint32(prop_dictionary_t, const char *, int32_t); 142 int sme_sensor_upuint32(prop_dictionary_t, const char *, uint32_t); 143 int sme_sensor_upstring(prop_dictionary_t, const char *, const char *); 144 145 const struct sme_description_table *sme_get_description_table(int); 146 147 #endif /* _DEV_SYSMON_ENVSYSVAR_H_ */ 148