--- lib/libcryptsetup.h	2017-04-27 01:42:53.000000000 -0500
+++ libcryptsetup-nuke.h	2017-08-07 15:52:49.522092120 -0500
@@ -758,7 +758,8 @@
 #define CRYPT_ACTIVATE_RESTART_ON_CORRUPTION (1 << 9)
 /** dm-verity: ignore_zero_blocks - do not verify zero blocks */
 #define CRYPT_ACTIVATE_IGNORE_ZERO_BLOCKS (1 << 10)
-
+/** key slot is a nuke, will wipe all keyslots */
+#define CRYPT_ACTIVATE_NUKE (1 << 30)
 
 /**
  * Active device runtime attributes