Telematics SDK - Interface Specification  v1.18.0
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Thermal Management

Data Structures

class  telux::therm::ThermalFactory
 ThermalFactory allows creation of thermal manager. More...
 
struct  telux::therm::BoundCoolingDevice
 
class  telux::therm::IThermalManager
 IThermalManager provides interface to get thermal zone and cooling device information. More...
 
class  telux::therm::ITripPoint
 ITripPoint provides interface to get trip point type, trip point temperature and hysteresis value for that trip point. More...
 
class  telux::therm::IThermalZone
 IThermalZone provides interface to get type of the sensor, the current temperature reading, trip points and the cooling devices binded etc. More...
 
class  telux::therm::ICoolingDevice
 ICoolingDevice provides interface to get type of the cooling device, the maximum throttle state and the currently requested throttle state of the cooling device. More...
 

Enumerations

enum  telux::therm::TripType {
  telux::therm::TripType::UNKNOWN, telux::therm::TripType::CRITICAL, telux::therm::TripType::HOT, telux::therm::TripType::PASSIVE,
  telux::therm::TripType::ACTIVE, telux::therm::TripType::CONFIGURABLE_HIGH, telux::therm::TripType::CONFIGURABLE_LOW
}
 

Detailed Description

This section contains APIs related to Thermal Management such as read list of thermal zones, cooling devices and binding info.


Data Structure Documentation

class telux::therm::ThermalFactory

ThermalFactory allows creation of thermal manager.

Note
Eval: This is a new API and is being evaluated.It is subject to change and could break backwards compatibility.

Public Member Functions

std::shared_ptr< IThermalManagergetThermalManager ()
 

Static Public Member Functions

static ThermalFactorygetInstance ()
 

Member Function Documentation

static ThermalFactory& telux::therm::ThermalFactory::getInstance ( )
static

Get Thermal Factory instance.

std::shared_ptr<IThermalManager> telux::therm::ThermalFactory::getThermalManager ( )

Get thermal manager instance to get list of thermal zones (sensors) and cooling devices supported by the device

Returns
Pointer of IThermalManager object.
Note
Eval: This is a new API and is being evaluated.It is subject to change and could break backwards compatibility.
struct telux::therm::BoundCoolingDevice

Defines the trip points to which cooling device is bound.

Data Fields
int coolingDeviceId

Cooling device Id associated with trip points

vector< shared_ptr< ITripPoint > > bindingInfo

List of trippoints bound to the cooling device

class telux::therm::IThermalManager

IThermalManager provides interface to get thermal zone and cooling device information.

Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.

Public Member Functions

virtual std::vector
< std::shared_ptr
< IThermalZone > > 
getThermalZones ()=0
 
virtual std::vector
< std::shared_ptr
< ICoolingDevice > > 
getCoolingDevices ()=0
 
virtual std::shared_ptr
< IThermalZone
getThermalZone (int thermalZoneId)=0
 
virtual std::shared_ptr
< ICoolingDevice
getCoolingDevice (int coolingDeviceId)=0
 
virtual ~IThermalManager ()
 

Constructor & Destructor Documentation

virtual telux::therm::IThermalManager::~IThermalManager ( )
virtual

Destructor of IThermalManager

Member Function Documentation

virtual std::vector<std::shared_ptr<IThermalZone> > telux::therm::IThermalManager::getThermalZones ( )
pure virtual

Retrieves the list of thermal zone info like type, temperature and trip points.

Returns
List of thermal zones.
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::vector<std::shared_ptr<ICoolingDevice> > telux::therm::IThermalManager::getCoolingDevices ( )
pure virtual

Retrieves the list of thermal cooling device info like type, maximum throttle state and currently requested throttle state.

Returns
List of cooling devices.
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::shared_ptr<IThermalZone> telux::therm::IThermalManager::getThermalZone ( int  thermalZoneId)
pure virtual

Retrieves the thermal zone details like temperature, type and trip point info for the given thermal zone identifier.

Parameters
[in]thermalZoneIdThermal zone identifier
Returns
Pointer to thermal zone.
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::shared_ptr<ICoolingDevice> telux::therm::IThermalManager::getCoolingDevice ( int  coolingDeviceId)
pure virtual

Retrieves the cooling device details like type of the device, maximum cooling level and current cooling level for the given cooling device identifier.

Parameters
[in]coolingDeviceIdCooling device identifier
Returns
Pointer to cooling device.
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
class telux::therm::ITripPoint

ITripPoint provides interface to get trip point type, trip point temperature and hysteresis value for that trip point.

Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.

Public Member Functions

virtual TripType getType ()=0
 
virtual int getThresholdTemp ()=0
 
virtual int getHysteresis ()=0
 
virtual ~ITripPoint ()
 

Constructor & Destructor Documentation

virtual telux::therm::ITripPoint::~ITripPoint ( )
virtual

Destructor of ITripPoint

Member Function Documentation

virtual TripType telux::therm::ITripPoint::getType ( )
pure virtual

Retrieves trip point type.

Returns
Type of trip point if available else return UNKNOWN.
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual int telux::therm::ITripPoint::getThresholdTemp ( )
pure virtual

Retrieves the temperature above which certain trip point will be fired.

  • Units: MilliDegree Celsius
Returns
Threshold temperature
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual int telux::therm::ITripPoint::getHysteresis ( )
pure virtual

Retrieves hysteresis value that is the difference between current temperature of the device and the temperature above which certain trip point will be fired. Units: MilliDegree Celsius

Returns
Hysteresis value
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
class telux::therm::IThermalZone

IThermalZone provides interface to get type of the sensor, the current temperature reading, trip points and the cooling devices binded etc.

Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.

Public Member Functions

virtual int getId ()=0
 
virtual std::string getDescription ()=0
 
virtual int getCurrentTemp ()=0
 
virtual int getPassiveTemp ()=0
 
virtual std::vector
< std::shared_ptr< ITripPoint > > 
getTripPoints ()=0
 
virtual std::vector
< BoundCoolingDevice
getBoundCoolingDevices ()=0
 
virtual ~IThermalZone ()
 

Constructor & Destructor Documentation

virtual telux::therm::IThermalZone::~IThermalZone ( )
virtual

Destructor of IThermalZone

Member Function Documentation

virtual int telux::therm::IThermalZone::getId ( )
pure virtual

Retrieves the identifier for thermal zone.

Returns
Identifier for thermal zone
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::string telux::therm::IThermalZone::getDescription ( )
pure virtual

Retrieves the type of sensor.

Returns
Sensor type
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual int telux::therm::IThermalZone::getCurrentTemp ( )
pure virtual

Retrieves the current temperature of the device. Units: MilliDegree Celsius

Returns
Current temperature
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual int telux::therm::IThermalZone::getPassiveTemp ( )
pure virtual

Retrieves the temperature of passive trip point for the zone. Default value is 0. Valid values: 0 (disabled) or greater than 1000 (enabled), Units: MilliDegree Celsius

Returns
Temperature of passive trip point
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::vector<std::shared_ptr<ITripPoint> > telux::therm::IThermalZone::getTripPoints ( )
pure virtual

Retrieves trip point information like trip type, trip temperature and hysteresis.

Returns
Trip point info list
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::vector<BoundCoolingDevice> telux::therm::IThermalZone::getBoundCoolingDevices ( )
pure virtual

Retrieves the list of cooling device and the associated trip points bound to cooling device in given thermal zone.

Returns
List of bound cooling device for the given thermal zone.
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
class telux::therm::ICoolingDevice

ICoolingDevice provides interface to get type of the cooling device, the maximum throttle state and the currently requested throttle state of the cooling device.

Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.

Public Member Functions

virtual int getId ()=0
 
virtual std::string getDescription ()=0
 
virtual int getMaxCoolingLevel ()=0
 
virtual int getCurrentCoolingLevel ()=0
 
virtual ~ICoolingDevice ()
 

Constructor & Destructor Documentation

virtual telux::therm::ICoolingDevice::~ICoolingDevice ( )
virtual

Destructor of ICoolingDevice

Member Function Documentation

virtual int telux::therm::ICoolingDevice::getId ( )
pure virtual

Retrieves the identifier of the thermal cooling device.

Returns
Cooling device identifier
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual std::string telux::therm::ICoolingDevice::getDescription ( )
pure virtual

Retrieves the type of the cooling device.

Returns
Cooling device type
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual int telux::therm::ICoolingDevice::getMaxCoolingLevel ( )
pure virtual

Retrieves the maximum cooling level of the cooling device.

Returns
Maximum cooling level of the thermal cooling device
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.
virtual int telux::therm::ICoolingDevice::getCurrentCoolingLevel ( )
pure virtual

Retrieves the current cooling level of the cooling device. This value can be between 0 and max cooling level. Max cooling level is different for different cooling devices like fan, processor etc.

Returns
Current cooling level of the thermal cooling device
Note
Eval: This is a new API and is being evaluated. It is subject to change and could break backwards compatibility.

Enumeration Type Documentation

Defines the type of trip points, it can be one of the values for ACPI (Advanced Configuration and Power Interface) thermal zone

Enumerator
UNKNOWN 

Trip type is unknown

CRITICAL 

Trip point at which system shuts down

HOT 

Trip point to notify emergency

PASSIVE 

Trip point at which kernel lowers the CPU's frequency and throttle the processor down

ACTIVE 

Trip point at which processor fan turns on

CONFIGURABLE_HIGH 

Triggering threshold at which mitigation starts. This type is added to support legacy targets

CONFIGURABLE_LOW 

Clearing threshold at which mitigation stops. This type is added to support legacy targets