vhost/vdpa: switch to new helpers

For new helpers handling legacy features to be effective,
vhost needs to invoke them. Tie them in.
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

drivers/vhost/vdpa.c

@@ -118,9 +118,8 @@ static irqreturn_t vhost_vdpa_config_cb(void *private)
 static void vhost_vdpa_reset(struct vhost_vdpa *v)
 {
 	struct vdpa_device *vdpa = v->vdpa;
-	const struct vdpa_config_ops *ops = vdpa->config;
 
-	ops->set_status(vdpa, 0);
+	vdpa_reset(vdpa);
 }
 
 static long vhost_vdpa_get_device_id(struct vhost_vdpa *v, u8 __user *argp)
@@ -196,7 +195,6 @@ static long vhost_vdpa_get_config(struct vhost_vdpa *v,
 				  struct vhost_vdpa_config __user *c)
 {
 	struct vdpa_device *vdpa = v->vdpa;
-	const struct vdpa_config_ops *ops = vdpa->config;
 	struct vhost_vdpa_config config;
 	unsigned long size = offsetof(struct vhost_vdpa_config, buf);
 	u8 *buf;
@@ -209,7 +207,7 @@ static long vhost_vdpa_get_config(struct vhost_vdpa *v,
 	if (!buf)
 		return -ENOMEM;
 
-	ops->get_config(vdpa, config.off, buf, config.len);
+	vdpa_get_config(vdpa, config.off, buf, config.len);
 
 	if (copy_to_user(c->buf, buf, config.len)) {
 		kvfree(buf);
@@ -282,7 +280,7 @@ static long vhost_vdpa_set_features(struct vhost_vdpa *v, u64 __user *featurep)
 	if (features & ~vhost_vdpa_features[v->virtio_id])
 		return -EINVAL;
 
-	if (ops->set_features(vdpa, features))
+	if (vdpa_set_features(vdpa, features))
 		return -EINVAL;
 
 	return 0;