CPPI 4.1 HPD buffer size

Dear All,

I am making USB driver for AM1808.

I implemented CPPI DMA function in my driver but I have one problem regarding RxCompletion.

Host PC sends 640KB packet to the target board implemented AM1808.

I want to receive RxCompletion event after receiving all data, but I should receive the event 128KB each.

I assigned 720KB buffer for Host Packet Descripter.

Is there an limitation of buffer size for single HPD?

I should link with several Host Buffer Descriptors?

Thank you for your help.