Signed-off-by: Yuanhan Liu <yuanhan....@linux.intel.com>
---
hw/virtio/vhost-user.c | 7 +++++++
include/hw/virtio/vhost-backend.h | 6 ++++++
2 files changed, 13 insertions(+)
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index 4766f98..2d8bdbd 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -471,6 +471,11 @@ static int vhost_user_get_features(struct vhost_dev *dev,
uint64_t *features)
return vhost_user_get_u64(dev, VHOST_USER_GET_FEATURES, features);
}
+static int vhost_user_get_protocol_features(struct vhost_dev *dev, uint64_t
*features)
+{
+ return vhost_user_get_u64(dev, VHOST_USER_GET_PROTOCOL_FEATURES, features);
+}
+
static int vhost_user_set_owner(struct vhost_dev *dev)
{
VhostUserMsg msg = {
@@ -616,6 +621,8 @@ const VhostOps user_ops = {
.vhost_set_vring_call = vhost_user_set_vring_call,
.vhost_set_features = vhost_user_set_features,
.vhost_get_features = vhost_user_get_features,
+ .vhost_set_protocol_features = vhost_user_set_protocol_features,
+ .vhost_get_protocol_features = vhost_user_get_protocol_features,
.vhost_set_owner = vhost_user_set_owner,
.vhost_reset_device = vhost_user_reset_device,
.vhost_get_vq_index = vhost_user_get_vq_index,
diff --git a/include/hw/virtio/vhost-backend.h
b/include/hw/virtio/vhost-backend.h
index c59cc81..7e705ce 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -62,6 +62,10 @@ typedef int (*vhost_set_features_op)(struct vhost_dev *dev,
uint64_t features);
typedef int (*vhost_get_features_op)(struct vhost_dev *dev,
uint64_t *features);
+typedef int (*vhost_set_protocol_features_op)(struct vhost_dev *dev,
+ uint64_t features);
+typedef int (*vhost_get_protocol_features_op)(struct vhost_dev *dev,
+ uint64_t *features);
typedef int (*vhost_set_owner_op)(struct vhost_dev *dev);
typedef int (*vhost_reset_device_op)(struct vhost_dev *dev);
typedef int (*vhost_get_vq_index_op)(struct vhost_dev *dev, int idx);
@@ -91,6 +95,8 @@ typedef struct VhostOps {
vhost_set_vring_call_op vhost_set_vring_call;
vhost_set_features_op vhost_set_features;
vhost_get_features_op vhost_get_features;
+ vhost_set_protocol_features_op vhost_set_protocol_features;
+ vhost_get_protocol_features_op vhost_get_protocol_features;
vhost_set_owner_op vhost_set_owner;
vhost_reset_device_op vhost_reset_device;
vhost_get_vq_index_op vhost_get_vq_index;
--
1.9.0
