diff --git a/Devmapper.h b/Devmapper.h
new file mode 100644
index 0000000..d6cdd05
--- /dev/null
+++ b/Devmapper.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _DEVMAPPER_H
+#define _DEVMAPPER_H
+
+#include <unistd.h>
+#include <linux/dm-ioctl.h>
+
+class Devmapper {
+public:
+    static int create(const char *name, const char *loopFile, const char *key, int sizeMb,
+                      char *buffer, size_t len);
+    static int destroy(const char *name);
+    static int lookupActive(const char *name, char *buffer, size_t len);
+private:
+    static void *_align(void *ptr, unsigned int a);
+    static void ioctlInit(struct dm_ioctl *io, size_t data_size,
+                          const char *name, unsigned flags);
+};
+
+#endif