> Actually this is what I'm working on now, using async_tx to replace the
> memcpy. I believe the changes shouldn't be that significant.
>
> Is the "hardware that can setup dma" you refer to something that does
> not use this interface?
>
Yes, they use this interface, but split 'memcpy_toio' to t
> I've tried to make it all generic enough that non-Intel NTBs should plug in
> with
> minimal changes to ntb_hw.c. If their design is too divergent, then a slight
> redesign of ntb_hw.c might be necessary. But from what I've seen of other
> designs on the internet, they appear to be extremely s
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