diff --git a/boot/common/src/uboot/include/sandboxfs.h b/boot/common/src/uboot/include/sandboxfs.h
new file mode 100644
index 0000000..6e6e3c6
--- /dev/null
+++ b/boot/common/src/uboot/include/sandboxfs.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2012, Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __SANDBOX_FS__
+#define __SANDBOX_FS__
+
+int sandbox_fs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info);
+
+int sandbox_fs_read_at(const char *filename, loff_t pos, void *buffer,
+		       loff_t maxsize, loff_t *actread);
+int sandbox_fs_write_at(const char *filename, loff_t pos, void *buffer,
+			loff_t maxsize, loff_t *actwrite);
+
+void sandbox_fs_close(void);
+int sandbox_fs_ls(const char *dirname);
+int sandbox_fs_exists(const char *filename);
+int sandbox_fs_size(const char *filename, loff_t *size);
+int fs_read_sandbox(const char *filename, void *buf, loff_t offset, loff_t len,
+		    loff_t *actread);
+int fs_write_sandbox(const char *filename, void *buf, loff_t offset,
+		     loff_t len, loff_t *actwrite);
+
+#endif