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The class driver sends this request to close a previously opened instance of the adapter.
Return Value
The minidriver should set one of the following as the status in the SRB:
STATUS_SUCCESS
Indicates successful completion of the command.
STATUS_NOT_IMPLEMENTED
Indicates that the function is not supported by the minidriver.
STATUS_IO_DEVICE_ERROR
Indicates that a hardware failure occurred.
Comments
Most adapters do not support multiple instances, so in those cases the FilterInstanceExtensionSize field in the HW_INITIALIZATION_DATA structure should be set to zero and should never receive this command.