Re: [Qemu-devel] [PATCH RFC] hw/pvrdma: Proposal of a new pvrdma device

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On Thu, Apr 06, 2017 at 10:45:54PM +0300, Yuval Shaia wrote:

> > Just add my 2 cents. You didn't answer on my question about other possible
> > implementations. It can be SoftRoCE loopback optimizations, special ULP,
> > RDMA transport, virtual driver with multiple VFs and single PF.
> 
> Please see my response to Jason's comments - eventually, when a support for
> VM to external host communication will be added - kdbr will become ULP as
> well.

So, is KDBR only to be used on the HV side? Ie it never shows up in the VM?

That is even weirder, we certainly do not want to see a kernel RDMA
ULP for any of this - the entire point of RDMA is to let user space
implement their protocols without needing a unique kernel component!!

Jason
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