Re: [PATCH v3 5/7] vhost-user: VHOST_USER_SET_VHOST_PCI msg

[Stefan Hajnoczi <stefanha@redhat.com>]

On Tue, Dec 05, 2017 at 11:33:14AM +0800, Wei Wang wrote:
> Add a new vhost-uer protocol msg, VHOST_USER_SET_VHOST_PCI. This msg is
> used to signal the vhost-pci device to start/stop working.
> 
> Signed-off-by: Wei Wang <wei.w.wang@intel.com>
> ---
>  hw/net/vhost_net.c                | 37 +++++++++++++++++++++++++++++++++++++
>  hw/virtio/vhost-pci-slave.c       |  2 +-
>  hw/virtio/vhost-user.c            | 17 +++++++++++++++++
>  hw/virtio/vhost.c                 |  7 +++++++
>  include/hw/virtio/vhost-backend.h |  2 ++
>  include/hw/virtio/vhost-user.h    |  2 ++
>  include/hw/virtio/vhost.h         |  2 ++
>  include/net/vhost_net.h           |  2 ++
>  8 files changed, 70 insertions(+), 1 deletion(-)

New protocol messages must be documented in docs/interop/vhost-user.txt.

Why is a new message needed?  I'm not sure why it is specific to
vhost-pci.

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