On 3/15/21 2:48 PM, Eugenio Pérez wrote:
> Command to enable shadow virtqueue looks like:
>
> { "execute": "x-vhost-enable-shadow-vq", "arguments": { "name": "dev0",
> "enable": true } }
>
> Signed-off-by: Eugenio Pérez <[email protected]>
> ---
> qapi/net.json | 22 ++++++++++++++++++++++
> hw/virtio/vhost.c | 6 ++++++
> 2 files changed, 28 insertions(+)
>
> diff --git a/qapi/net.json b/qapi/net.json
> index c31748c87f..4c5f65d021 100644
> --- a/qapi/net.json
> +++ b/qapi/net.json
> @@ -77,6 +77,28 @@
> ##
> { 'command': 'netdev_del', 'data': {'id': 'str'} }
>
> +##
> +# @x-vhost-enable-shadow-vq:
> +#
> +# Use vhost shadow virtqueue.
> +#
> +# @name: the device name of the VirtIO device
> +#
> +# @enable: true to use he alternate shadow VQ notification path
> +#
> +# Returns: Error if failure, or 'no error' for success. Not found if vhost
> is not enabled.
> +#
> +# Since: 6.0
> +#
> +# Example:
> +#
> +# -> { "execute": "x-vhost-enable-shadow-vq", "arguments": { "name":
> "virtio-net", "enable": false } }
Long lines; please wrap to keep under 80 columns.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
