1 /* $OpenBSD: sensors.h,v 1.5 2005/04/08 05:01:47 jolan Exp $ */ 2 3 /* 4 * Copyright (c) 2003, 2004 Alexander Yurchenko <grange@openbsd.org> 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 _SYS_SENSORS_H_ 29 #define _SYS_SENSORS_H_ 30 31 /* Sensor types */ 32 enum sensor_type { 33 SENSOR_TEMP, /* temperature */ 34 SENSOR_FANRPM, /* fan revolution speed */ 35 SENSOR_VOLTS_DC, /* voltage */ 36 SENSOR_VOLTS_AC, /* voltage (alternating-current) */ 37 SENSOR_OHMS, /* resistance */ 38 SENSOR_WATTS, /* power */ 39 SENSOR_AMPS, /* current */ 40 SENSOR_WATTHOUR, /* power capacity */ 41 SENSOR_AMPHOUR, /* power capacity */ 42 SENSOR_INDICATOR, /* boolean indicator */ 43 SENSOR_INTEGER /* generic integer value */ 44 }; 45 46 /* Sensor data */ 47 struct sensor { 48 SLIST_ENTRY(sensor) list; 49 int num; /* sensor number */ 50 char device[16]; /* device name */ 51 enum sensor_type type; /* sensor type */ 52 char desc[32]; /* sensor description */ 53 int64_t value; /* current value */ 54 u_int rfact; /* resistor factor */ 55 int flags; /* sensor flags */ 56 #define SENSOR_FINVALID 0x0001 /* sensor is invalid */ 57 }; 58 59 SLIST_HEAD(sensors_head, sensor); 60 61 #ifdef _KERNEL 62 extern int nsensors; 63 extern struct sensors_head sensors; 64 65 #define SENSOR_ADD(s) do { \ 66 (s)->num = nsensors++; \ 67 SLIST_INSERT_HEAD(&sensors, (s), list); \ 68 } while (0) 69 #endif /* _KERNEL */ 70 71 #endif /* !_SYS_SENSORS_H_ */ 72