[libvirt] [PATCH 6/7] qemu: monitor: Add support for ACPI_DEVICE_OST event handling

[Cole Robinson]

On 04/05/2016 11:09 AM, Peter Krempa wrote:
> The event is emitted on ACPI OSPM Status Indication events.
> 
> ACPI standard documentation describes the method as:
> 
> This object is an optional control method that is invoked by OSPM to
> indicate processing status to the platform. During device ejection,
> device hot add, or other event processing, OSPM may need to perform
> specific handshaking with the platform. OSPM may also need to indicate
> to the platform its inability to complete a requested operation; for
> example, when a user presses an ejection button for a device that is
> currently in use or is otherwise currently incapable of being ejected.
> In this case, the processing of the ACPI Eject Request notification by
> OSPM fails. OSPM may indicate this failure to the platform through the
> invocation of the _OST control method. As a result of the status
> notification indicating ejection failure, the platform may take certain
> action including reissuing the notification or perhaps turning on an
> appropriate indicator light to signal the failure to the user.

ACK

- Cole