Thermal Management IOCTLs

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This topic discusses the input/output controls (IOCTLs) that are used for Thermal Management in Windows.

Driver implementers need to implement responses to the following input/output (I/O) control codes.

In this section

Topic Description

IOCTL_THERMAL_READ_POLICY

The IOCTL_THERMAL_READ_POLICY I/O control request is sent by the kernel to a thermal zone’s policy driver to read the drivers' preferred policy.

IOCTL_THERMAL_READ_TEMPERATURE

The IOCTL_THERMAL_READ_TEMPERATURE I/O control request is sent by the ACPI driver to a temperature sensor driver. Upon receiving this request, the driver might be required to provide the temperature of the thermal zone.