diff --git a/src/hlr.h b/src/hlr.h
new file mode 100644
index 0000000..77751dd
--- /dev/null
+++ b/src/hlr.h
@@ -0,0 +1,33 @@
+/* OsmoHLR generic header */
+
+/* (C) 2017 sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Max Suraev <msuraev@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#include <stdbool.h>
+
+struct hlr {
+	/* GSUP server pointer */
+	struct osmo_gsup_server *gs;
+
+	/* DB context */
+	struct db_context *dbc;
+};