MPI_SCSIIO_CONTROL_DATADIRECTION_MASK
df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
switch (msg->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK) {
if ((msg->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK) !=