diff --git a/DeviceVolume.h b/DeviceVolume.h
new file mode 100644
index 0000000..edf4c98
--- /dev/null
+++ b/DeviceVolume.h
@@ -0,0 +1,44 @@
+/*
+ * 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 _DEVICEVOLUME_H
+#define _DEVICEVOLUME_H
+
+#include <utils/List.h>
+
+#include "Volume.h"
+
+typedef android::List<char *> PathCollection;
+
+class DeviceVolume : public Volume {
+protected:
+    PathCollection *mPaths;
+    int            mPartIdx;
+    int            mDiskMaj;
+    int            mDiskNumParts;
+
+public:
+    DeviceVolume(const char *label, const char *mount_point, int partIdx);
+    virtual ~DeviceVolume();
+
+    int addPath(const char *path);
+
+    int handleDiskInsertion(const char *dp, int maj, int min, int nr_parts);
+};
+
+typedef android::List<DeviceVolume *> DeviceVolumeCollection;
+
+#endif