Re: [PATCH v1 0/4] vhost-vdpa: add support for configure interrupt

[Jason Wang]

On 2021/1/13 下午11:45, Cindy Lu wrote:
> Add configure interrupt support in vdpa_vhost. qemu will use the irqfd
> process to support this feature.
>
> These code are all tested in vp-vdpa (support configure interrupt)
> vdpa_sim (not support configure interrupt)
>
>
> Cindy Lu (4):
>    virtio:add support in configure interrupt
>    virtio-pci:add support for configure interrupt


If possible, I would like to add the MMIO support for this.

One great advantage of vDPA is that it can avoid to expose a PCI device 
for guest.

Thanks


>    vhost_net:enable configure interrupt when vhost_net start
>    vhost-vdpa:add callback function for configure interrupt
>
>   hw/net/vhost_net.c                | 19 ++++++-
>   hw/virtio/trace-events            |  2 +
>   hw/virtio/vhost-vdpa.c            | 29 +++++++++-
>   hw/virtio/virtio-pci.c            | 93 +++++++++++++++++++++++++++++++
>   hw/virtio/virtio.c                | 25 +++++++++
>   include/hw/virtio/vhost-backend.h |  4 ++
>   include/hw/virtio/virtio-bus.h    |  2 +
>   include/hw/virtio/virtio.h        |  5 ++
>   8 files changed, 177 insertions(+), 2 deletions(-)