vhost: add vhost_set_log_base op

Split VHOST_SET_LOG_BASE call in a seperate function callback, so that
type safety works and more arguments can be added in the next patches.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Thibaut Collet <thibaut.collet@6wind.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
index 7d4a8ad968..c9035736db 100644
--- a/include/hw/virtio/vhost-backend.h
+++ b/include/hw/virtio/vhost-backend.h
@@ -28,6 +28,8 @@ typedef int (*vhost_backend_get_vq_index)(struct vhost_dev *dev, int idx);
 typedef int (*vhost_backend_set_vring_enable)(struct vhost_dev *dev, int enable);
 typedef int (*vhost_backend_memslots_limit)(struct vhost_dev *dev);
 
+typedef int (*vhost_set_log_base_op)(struct vhost_dev *dev, uint64_t base);
+
 typedef struct VhostOps {
     VhostBackendType backend_type;
     vhost_call vhost_call;
@@ -36,6 +38,7 @@ typedef struct VhostOps {
     vhost_backend_get_vq_index vhost_backend_get_vq_index;
     vhost_backend_set_vring_enable vhost_backend_set_vring_enable;
     vhost_backend_memslots_limit vhost_backend_memslots_limit;
+    vhost_set_log_base_op vhost_set_log_base;
 } VhostOps;
 
 extern const VhostOps user_ops;