MPI3MR_HOSTTAG_IOCTLCMDS
sc->ioctl_cmds.host_tag = MPI3MR_HOSTTAG_IOCTLCMDS;
case MPI3MR_HOSTTAG_IOCTLCMDS:
mpi_header->HostTag = MPI3MR_HOSTTAG_IOCTLCMDS;