MPI_DOORBELL_FUNCTION 1453 dev/ic/mpi.c   	    MPI_DOORBELL_FUNCTION(MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET));
MPI_DOORBELL_FUNCTION 1510 dev/ic/mpi.c   	mpi_write_db(sc, MPI_DOORBELL_FUNCTION(MPI_FUNCTION_HANDSHAKE) |