initial import of osmo-gsup-hlr code so far
diff --git a/src/logging.h b/src/logging.h
new file mode 100644
index 0000000..fdaf5d1
--- /dev/null
+++ b/src/logging.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <osmocom/core/logging.h>
+
+enum {
+	DMAIN,
+	DDB,
+	DGSUP,
+	DAUC,
+};
+
+extern const struct log_info hlr_log_info;