diff --git a/include/bl32/payloads/tlk.h b/include/bl32/payloads/tlk.h
index 0ad1ac0..65fd333 100644
--- a/include/bl32/payloads/tlk.h
+++ b/include/bl32/payloads/tlk.h
@@ -41,12 +41,14 @@
  */
 #define TLK_REGISTER_LOGBUF	TLK_TOS_STD_FID(0x1)
 #define TLK_REGISTER_REQBUF	TLK_TOS_STD_FID(0x2)
+#define TLK_RESUME_FID		TLK_TOS_STD_FID(0x100)
 
 /*
  * SMC function IDs that TLK uses to signal various forms of completions
  * to the secure payload dispatcher.
  */
 #define TLK_REQUEST_DONE	(0x32000001 | (1 << 31))
+#define TLK_PREEMPTED		(0x32000002 | (1 << 31))
 #define TLK_ENTRY_DONE		(0x32000003 | (1 << 31))
 #define TLK_VA_TRANSLATE	(0x32000004 | (1 << 31))
 #define TLK_FID_SHARED_MEMBUF	(0x32000005 | (1 << 31))