diff --git a/include/backend/session/dev.h b/include/backend/session/dev.h
new file mode 100644
index 000000000..56aae36e1
--- /dev/null
+++ b/include/backend/session/dev.h
@@ -0,0 +1,13 @@
+#include <sys/types.h>
+#include <wlr/backend/session.h>
+#include <wayland-server-core.h>
+
+#ifndef BACKEND_SESSION_DEV_H
+#define BACKEND_SESSION_DEV_H
+
+int dev_init(struct wlr_session *session, struct wl_display *display);
+void dev_finish(struct wlr_session *session);
+
+ssize_t dev_find_gpus(struct wlr_session *session, size_t ret_len,
+		struct wlr_device **ret);
+#endif