[libvirt PATCH v4 1/6] conf: Add support for vDPA network devices
Peter Krempa
pkrempa at redhat.com
Mon Sep 28 10:23:59 UTC 2020
On Thu, Sep 24, 2020 at 16:45:11 -0500, Jonathon Jongsma wrote:
> This patch adds new schema and adds support for parsing and formatting
> domain configurations that include vdpa devices.
>
> vDPA network devices allow high-performance networking in a virtual
> machine by providing a wire-speed data path. These devices require a
> vendor-specific host driver but the data path follows the virtio
> specification.
>
> When a device on the host is bound to an appropriate vendor-specific
> driver, it will create a chardev on the host at e.g. /dev/vhost-vdpa-0.
> That chardev path can then be used to define a new interface with
> type='vdpa'.
>
> Signed-off-by: Jonathon Jongsma <jjongsma at redhat.com>
> ---
[...]
> diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
> index 888db5ea29..b0c2b43dc2 100644
> --- a/docs/formatdomain.rst
> +++ b/docs/formatdomain.rst
> @@ -4643,6 +4643,30 @@ or stopping the guest.
> </devices>
> ...
>
> +:anchor:`<a id="elementsNICSVDPA"/>`
These are not needed for new entries. The link in the header is
actually..
> +
> +vDPA devices
> +^^^^^^^^^^^^
... generated from the title here. I've added the anchors just to keep
old links working.
> +
> +A vDPA network device can be used to provide wire speed network performance
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