Rings the doorbell on the LUN.
- macOS 10.0+
- Mac Catalyst 13.0+
Pointer to IOFireWireSBP2LibLoginInterface object.
Returns kIOReturnSuccess if the ring started successfully.
Non-immediate appends to the ORB chain may require the fetch agent state machine to be notified of the new ORB's presence. This is accomplished by writing to the so called doorbell register. This method begins one of those writes.