diff --git a/src/core/hle/svc.h b/src/core/hle/svc.h
index 5c35977d1..c5170aab7 100644
--- a/src/core/hle/svc.h
+++ b/src/core/hle/svc.h
@@ -38,6 +38,15 @@ enum ResetType {
     RESETTYPE_MAX_BIT = (1u << 31),
 };
 
+enum ArbitrationType {
+    ARBITRATIONTYPE_SIGNAL,
+    ARBITRATIONTYPE_WAIT_IF_LESS_THAN,
+    ARBITRATIONTYPE_DECREMENT_AND_WAIT_IF_LESS_THAN,
+    ARBITRATIONTYPE_WAIT_IF_LESS_THAN_WITH_TIMEOUT,
+    ARBITRATIONTYPE_DECREMENT_AND_WAIT_IF_LESS_THAN_WITH_TIMEOUT,
+    ARBITRATIONTYPE_MAX_BIT = (1u << 31)
+};
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Namespace SVC