migration: Create migration/xbzrle.h

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
diff --git a/migration/xbzrle.h b/migration/xbzrle.h
new file mode 100644
index 0000000..a0db507
--- /dev/null
+++ b/migration/xbzrle.h
@@ -0,0 +1,21 @@
+/*
+ * QEMU live migration
+ *
+ * Copyright IBM, Corp. 2008
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_MIGRATION_XBZRLE_H
+#define QEMU_MIGRATION_XBZRLE_H
+
+int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen,
+                         uint8_t *dst, int dlen);
+
+int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen);
+#endif