[dpdk-dev] [PATCH 18/28] drivers/virtio_vhost_user: add virtio PCI framework

Maxime Coquelin maxime.coquelin at redhat.com
Thu Sep 5 18:34:03 CEST 2019


Hi Nikos,

On 6/19/19 5:14 PM, Nikos Dragazis wrote:
> The virtio-vhost-user transport requires a driver for the
> virtio-vhost-user PCI device, hence it needs a virtio-pci driver.  There
> is currently no librte_virtio API that we can use.
> 
> This commit is a hack that duplicates the virtio pci code from
> drivers/net/ into drivers/virtio_vhost_user/.  A better solution would
> be to extract the code cleanly from drivers/net/ and share it.  Or
> perhaps we could backport SPDK's lib/virtio/.

I think it would make sense to have a Virtio library, that could be re-
used by net, crypto and virtio-vhost-user.

I didn't know about SPDK's lib. Maybe it is better to start from virtio-
net PMD codebase and then convert crypto and SPDK to use it.

What do you think?

> drivers/virtio_vhost_user/ will host the virtio-vhost-user transport
> implementation in the upcoming patches.

Thanks,
Maxime



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