Re: [PATCH rdma-core 3/5] pyverbs: Add dma-buf based MR support

Jason Gunthorpe
2020-11-25T12:15:32Z

On Wed, Nov 25, 2020 at 11:50:41AM +0100, Daniel Vetter wrote:

> Yeah imo makes sense. It's a bunch more code for you to make it work on
> i915 and amd, but it's not terrible. And avoids the dependencies, and also
> avoids the abuse of card* and dumb buffers. Plus not really more complex,
> you just need a table or something to match from the drm driver name to
> the driver-specific buffer create function. Everything else stays the
> same.

If it is going to get more complicated please write it in C then. We
haven't done it yet, but you can link a C function through cython to
the python test script

If you struggle here I can probably work out the build system bits,
but it should not be too terrible

Jason