A10 AVMM DMA has only a single MSI to Host, how to distinguish this DMA completion is from READ DMA controller, or from WRITE DMA controller?

Hi

I apologize that I can't help much in terms of how to edit the driver. But base on my understanding of this IP, each descriptor can support a maximum of 1M bytes, and there is a total of 128 descriptors. It depends on if the user application layer can handle those transfer size or not. The example design uses on-chip memory so this is too small to handle the maximum transfer size. You might need to modify the design to use external memory in order to have more memory buffer.

Regards -SK