Since dmadev is introduced in 21.11, to avoid the overhead of vhost DMA abstraction layer and simplify application logics, this patch integrates dmadev in asynchronous data path. Signed-off-by: Jiayu Hu <jiayu.hu@intel.com> Signed-off-by: Sunil Pai G <sunil.pai.g@intel.com> Tested-by: Yvonne Yang <yvonnex.yang@intel.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>