On Fri, Dec 23, 2016 at 07:14:23AM +0000, Jianfeng Tan wrote: > +typedef int (*vhost_setup_t)(struct virtio_user_dev *dev); > +typedef int (*vhost_send_request_t)(struct virtio_user_dev *dev, > + enum vhost_user_request req, > + void *arg); > +typedef int (*vhost_enable_qp_t)(struct virtio_user_dev *dev, > + uint16_t pair_idx, > + int enable);
I will not bother to define new types if they are just gonna be used once. No strong perference here, just a suggestion. ... > diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.h > b/drivers/net/virtio/virtio_user/virtio_user_dev.h > index 28fc788..503a496 100644 > --- a/drivers/net/virtio/virtio_user/virtio_user_dev.h > +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.h > @@ -37,9 +37,15 @@ > #include <limits.h> > #include "../virtio_pci.h" > #include "../virtio_ring.h" > +#include "vhost.h" > > struct virtio_user_dev { > + /* for vhost_user backend */ > int vhostfd; > + > + /* for vhost_kernel backend */ > + > + /* for both vhost_user and vhost_kernel */ By far (till this patch), vhost_kernel is not introduced at all, that I will not mention it here. That said, I will leave this change to the patch that actually enables vhost-kernel. --yliu