diff --git a/src/internal/tpax_driver_impl.h b/src/internal/tpax_driver_impl.h
index 56c40b2..7e610d0 100644
--- a/src/internal/tpax_driver_impl.h
+++ b/src/internal/tpax_driver_impl.h
@@ -80,6 +80,15 @@ static inline struct tpax_driver_ctx_impl * tpax_get_driver_ictx(
         return 0;
 }
 
+static inline void * tpax_get_driver_anon_map_addr(
+	const struct tpax_driver_ctx * dctx,
+	size_t *                       size)
+{
+	struct tpax_driver_ctx_impl * ictx = tpax_get_driver_ictx(dctx);
+	*size = ictx->bufsize;
+	return ictx->bufaddr;
+}
+
 static inline void tpax_driver_set_ectx(
 	const struct tpax_driver_ctx * dctx,
 	const struct tpax_unit_ctx *   uctx,