Re: [PATCH 0/8] Virtio-over-PCIe on non-MIC

Christoph Hellwig
2019-01-17T15:21:48Z

On Thu, Jan 17, 2019 at 04:19:06PM +0100, Vincent Whitchurch wrote:
> On the RC, a vop-host-backend driver (PCI driver) sets up some shared
> memory area which the RC and the endpoint can use to communicate the
> location of the MIC device descriptors and other information such as the
> MSI address. It implements vop callbacks to allow the vop framework to
> obtain the address of the MIC descriptors and send/receive interrupts
> to/from the guest.

Why would we require any work on the RC / host side? A properly
setup software controlled virtio device should just show up as a
normal PCIe device, and the virtio-pci device should bind to it.