MPI2_SCSIIO_CONTROL_WRITE
io_request->Control = MPI2_SCSIIO_CONTROL_WRITE;
mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
cmd->io_request->Control |= htole32(MPI2_SCSIIO_CONTROL_WRITE);