4 files changed, 7 insertions, 2 deletions
diff --git a/include/backend/multi.h b/include/backend/multi.h
index c57c48f3..2f5f1bd4 100644
--- a/include/backend/multi.h
+++ b/include/backend/multi.h
@@ -8,6 +8,7 @@
 
 struct wlr_multi_backend {
 	struct wlr_backend backend;
+	struct wlr_session *session;
 
 	struct wl_list backends;
 
diff --git a/include/wlr/backend.h b/include/wlr/backend.h
index 39d072e2..dfb8d2a8 100644
--- a/include/wlr/backend.h
+++ b/include/wlr/backend.h
@@ -57,5 +57,10 @@ void wlr_backend_destroy(struct wlr_backend *backend);
  * Obtains the wlr_renderer reference this backend is using.
  */
 struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend);
+/**
+ * Obtains the wlr_session reference from this backend if there is any.
+ * Might return NULL for backends that don't use a session.
+ */
+struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend);
 
 #endif
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index 5d47647d..3724adfb 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -34,6 +34,4 @@ bool wlr_output_is_drm(struct wlr_output *output);
 typedef struct _drmModeModeInfo drmModeModeInfo;
 bool wlr_drm_connector_add_mode(struct wlr_output *output, const drmModeModeInfo *mode);
 
-struct wlr_session *wlr_drm_backend_get_session(struct wlr_backend *backend);
-
 #endif
diff --git a/include/wlr/backend/interface.h b/include/wlr/backend/interface.h
index f3dee69b..2c300709 100644
--- a/include/wlr/backend/interface.h
+++ b/include/wlr/backend/interface.h
@@ -17,6 +17,7 @@ struct wlr_backend_impl {
 	bool (*start)(struct wlr_backend *backend);
 	void (*destroy)(struct wlr_backend *backend);
 	struct wlr_renderer *(*get_renderer)(struct wlr_backend *backend);
+	struct wlr_session *(*get_session)(struct wlr_backend *backend);
 };
 
 /**