Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
Return Value:
A variable-length Package containing a list of References to power source devices. It has the
following format:
Package {
Power source[0],
Power source[1],
// Reference
// Reference
}
Power source[n]
// Reference
10.4 Power Meters
The following section describes Power Metering objects. These objects may be defined under a
Power Meter device which is declared using the ACPI000D hardware identifier (_HID).
Table 10-280 Power Meter Objects
Object
_GAI
_GHL
_PAI
_PMC
_PMD
_PMM
_PTP
_SHL
Description
Gets the averaging interval used by the power meter.
Gets the hardware power consumption limit that is enforced by the Power Meter.
Sets the power averaging interval used by the Power Meter.
Returns Power Meter capabilities.
Returns a list of devices whose power consumption is measured by the Power Meter.
Returns the power consumption measured by the Power Meter.
Sets Power Meter device trip points.
Sets the hardware power consumption limit that is enforced by the Power Meter.
10.4.1 _PMC (Power Meter Capabilities)
This object returns the capabilities of a power meter. This information remains constant unless either
the power meter’s firmware or the BMC hardware changes, at which time the platform is required to
send Notify(power_meter, 0x80) for the OSPM to re-evaluate _PMC.
Arguments:
None
Return Value:
A Package with the following format:
586 April, 2015 Version 6.0