diff options
Diffstat (limited to 'sys/sys/sensors.h')
| -rw-r--r-- | sys/sys/sensors.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/sys/sys/sensors.h b/sys/sys/sensors.h new file mode 100644 index 0000000..15725a6 --- /dev/null +++ b/sys/sys/sensors.h @@ -0,0 +1,177 @@ +/* $OpenBSD: sensors.h,v 1.36 2018/12/10 13:35:54 landry Exp $ */ + +/* + * Copyright (c) 2003, 2004 Alexander Yurchenko <grange@openbsd.org> + * Copyright (c) 2006 Constantine A. Murenin <cnst+openbsd@bugmail.mojo.ru> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SYS_SENSORS_H_ +#define _SYS_SENSORS_H_ + +/* Sensor types */ +enum sensor_type { + SENSOR_TEMP, /* temperature (uK) */ + SENSOR_FANRPM, /* fan revolution speed */ + SENSOR_VOLTS_DC, /* voltage (uV DC) */ + SENSOR_VOLTS_AC, /* voltage (uV AC) */ + SENSOR_OHMS, /* resistance */ + SENSOR_WATTS, /* power (uW) */ + SENSOR_AMPS, /* current (uA) */ + SENSOR_WATTHOUR, /* power capacity (uWh) */ + SENSOR_AMPHOUR, /* power capacity (uAh) */ + SENSOR_INDICATOR, /* boolean indicator */ + SENSOR_INTEGER, /* generic integer value */ + SENSOR_PERCENT, /* percent (m%) */ + SENSOR_LUX, /* illuminance (ulx) */ + SENSOR_DRIVE, /* disk */ + SENSOR_TIMEDELTA, /* system time error (nSec) */ + SENSOR_HUMIDITY, /* humidity (m%RH) */ + SENSOR_FREQ, /* frequency (uHz) */ + SENSOR_ANGLE, /* angle (uDegrees) */ + SENSOR_DISTANCE, /* distance (uMeter) */ + SENSOR_PRESSURE, /* pressure (mPa) */ + SENSOR_ACCEL, /* acceleration (u m/s^2) */ + SENSOR_VELOCITY, /* velocity (u m/s) */ + SENSOR_MAX_TYPES +}; + +#ifndef _KERNEL +static const char * const sensor_type_s[SENSOR_MAX_TYPES + 1] = { + "temp", + "fan", + "volt", + "acvolt", + "resistance", + "power", + "current", + "watthour", + "amphour", + "indicator", + "raw", + "percent", + "illuminance", + "drive", + "timedelta", + "humidity", + "frequency", + "angle", + "distance", + "pressure", + "acceleration", + "velocity", + "undefined" +}; +#endif /* !_KERNEL */ + +#define SENSOR_DRIVE_EMPTY 1 +#define SENSOR_DRIVE_READY 2 +#define SENSOR_DRIVE_POWERUP 3 +#define SENSOR_DRIVE_ONLINE 4 +#define SENSOR_DRIVE_IDLE 5 +#define SENSOR_DRIVE_ACTIVE 6 +#define SENSOR_DRIVE_REBUILD 7 +#define SENSOR_DRIVE_POWERDOWN 8 +#define SENSOR_DRIVE_FAIL 9 +#define SENSOR_DRIVE_PFAIL 10 + +/* Sensor states */ +enum sensor_status { + SENSOR_S_UNSPEC, /* status is unspecified */ + SENSOR_S_OK, /* status is ok */ + SENSOR_S_WARN, /* status is warning */ + SENSOR_S_CRIT, /* status is critical */ + SENSOR_S_UNKNOWN /* status is unknown */ +}; + +/* Sensor data: + * New fields should be added at the end to encourage backwards compat + */ +struct sensor { + char desc[32]; /* sensor description, may be empty */ + struct timeval tv; /* sensor value last change time */ + int64_t value; /* current value */ + enum sensor_type type; /* sensor type */ + enum sensor_status status; /* sensor status */ + int numt; /* sensor number of .type type */ + int flags; /* sensor flags */ +#define SENSOR_FINVALID 0x0001 /* sensor is invalid */ +#define SENSOR_FUNKNOWN 0x0002 /* sensor value is unknown */ +}; + +/* Sensor device data: + * New fields should be added at the end to encourage backwards compat + */ +struct sensordev { + int num; /* sensordev number */ + char xname[16]; /* unix device name */ + int maxnumt[SENSOR_MAX_TYPES]; + int sensors_count; +}; + +#ifdef _KERNEL + +/* Sensor data */ +struct ksensor { + SLIST_ENTRY(ksensor) list; /* device-scope list */ + char desc[32]; /* sensor description, may be empty */ + struct timeval tv; /* sensor value last change time */ + int64_t value; /* current value */ + enum sensor_type type; /* sensor type */ + enum sensor_status status; /* sensor status */ + int numt; /* sensor number of .type type */ + int flags; /* sensor flags, ie. SENSOR_FINVALID */ +}; +SLIST_HEAD(ksensors_head, ksensor); + +/* Sensor device data */ +struct ksensordev { + SLIST_ENTRY(ksensordev) list; + int num; /* sensordev number */ + char xname[16]; /* unix device name */ + int maxnumt[SENSOR_MAX_TYPES]; + int sensors_count; + struct ksensors_head sensors_list; +}; + +/* struct ksensordev */ +void sensordev_install(struct ksensordev *); +void sensordev_deinstall(struct ksensordev *); +int sensordev_get(int, struct ksensordev **); + +/* struct ksensor */ +void sensor_attach(struct ksensordev *, struct ksensor *); +void sensor_detach(struct ksensordev *, struct ksensor *); +int sensor_find(int, enum sensor_type, int, struct ksensor **); + +/* task scheduling */ +struct sensor_task; +struct sensor_task *sensor_task_register(void *, void (*)(void *), + unsigned int); +void sensor_task_unregister(struct sensor_task *); +void sensor_quiesce(void); +void sensor_restart(void); + +#endif /* _KERNEL */ + +#endif /* !_SYS_SENSORS_H_ */ |