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diff --git a/gralloc_drm_handle.h b/gralloc_drm_handle.h
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+/*
+ * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
+ * Copyright (C) 2010-2011 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _GRALLOC_DRM_HANDLE_H_
+#define _GRALLOC_DRM_HANDLE_H_
+
+#include <cutils/native_handle.h>
+
+struct gralloc_drm_handle_t {
+	native_handle_t base;
+
+#define GRALLOC_DRM_HANDLE_MAGIC 0x12345678
+#define GRALLOC_DRM_HANDLE_NUM_INTS 9
+#define GRALLOC_DRM_HANDLE_NUM_FDS 0
+	int magic;
+
+	int width;
+	int height;
+	int format;
+	int usage;
+
+	int name;   /* the name of the bo */
+	int stride; /* the stride in bytes */
+
+	int data_owner; /* owner of data (for validation) */
+	int data;       /* pointer to struct gralloc_drm_bo_t */
+};
+
+static inline struct gralloc_drm_handle_t *gralloc_drm_handle(buffer_handle_t _handle)
+{
+	struct gralloc_drm_handle_t *handle =
+		(struct gralloc_drm_handle_t *) _handle;
+
+	if (handle->base.version != sizeof(handle->base) ||
+	    handle->base.numInts != GRALLOC_DRM_HANDLE_NUM_INTS ||
+	    handle->base.numFds != GRALLOC_DRM_HANDLE_NUM_FDS ||
+	    handle->magic != GRALLOC_DRM_HANDLE_MAGIC)
+		handle = NULL;
+
+	return handle;
+}
+
+#endif /* _GRALLOC_DRM_HANDLE_H_ */