HOST_DMA_IOC
dma_desc->status |= HOST_DMA_IOC;
qh->desc_list[idx].status |= HOST_DMA_IOC;
qh->desc_list[idx].status |= HOST_DMA_IOC;
HOST_DMA_IOC | HOST_DMA_EOL | HOST_DMA_A;
if (dma_desc->status & HOST_DMA_IOC)