Message ID | 20220802095010.3330793-7-alex.bennee@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | virtio-gpio and various virtio cleanups | expand |
On 2/8/22 11:49, Alex Bennée wrote: > Try and explicitly document the various state of feature bits as > related to the vhost_dev structure. Importantly the backend_features > can advertise things like VHOST_USER_F_PROTOCOL_FEATURES which is > never exposed to the driver and is only present in the vhost-user > feature negotiation. > > Signed-off-by: Alex Bennée <alex.bennee@linaro.org> > Acked-by: Jason Wang <jasowang@redhat.com> > --- > include/hw/virtio/vhost.h | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index a346f23d13..586c5457e2 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -86,8 +86,11 @@ struct vhost_dev { /* if non-zero, minimum required value for max_queues */ int num_queues; uint64_t features; + /** @acked_features: final set of negotiated features */ uint64_t acked_features; + /** @backend_features: backend specific feature bits */ uint64_t backend_features; + /** @protocol_features: final negotiated protocol features */ uint64_t protocol_features; uint64_t max_queues; uint64_t backend_cap;