MPI_SCSIIO_CONTROL_WRITE
scsidir = MPI_SCSIIO_CONTROL_WRITE;
scsidir = MPI_SCSIIO_CONTROL_WRITE;
scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
dir = MPI_SCSIIO_CONTROL_WRITE;