ULONG
MitsumiFindAdapter(
  IN  PVOID HwDeviceExtension,
  IN  PVOID Context,
  IN  PVOID BusInformation,
  IN  PCHAR ArgumentString,
  IN OUT PPORT_CONFIGURATION_INFORMATION ConfigInfo,
  OUT PBOOLEAN Again
  );

Routine Description:

    This function is called by the OS-specific port driver after
    the necessary storage has been allocated, to gather information
    about the adapter's configuration.

Arguments:

    HwDeviceExtension - HBA miniport driver's adapter data storage
    Context - Register base address
    ConfigInfo - Configuration information structure describing HBA
    This structure is defined in PORT.H.

Return Value:

    ULONG