Hello.
Have anyone use IXP1200's DMA operation?
I want to use DMA for transferring data from host computer's
memory
to IXP1200 evaluation board.
Sure, my IXP1200 EB is attached to host computer through PCI slot.
And I write Microengine program like
below
1. Make DMA descriptor.
2. point tmp1 to DMA descritptor's address
3. And use pci_dma instruction like
below
pci_dma[tmp1, 0, any_queue], ctx_swap
But, after pci_dma instruction, nothing is done
more.
Do I mistake? Or do you have similar situation?
Please give me any advice.
Thanks