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-rw-r--r--target/i386/kvm/hyperv-proto.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/target/i386/kvm/hyperv-proto.h b/target/i386/kvm/hyperv-proto.h
index e30d64b4ad..5fbb385cc1 100644
--- a/target/i386/kvm/hyperv-proto.h
+++ b/target/i386/kvm/hyperv-proto.h
@@ -39,6 +39,12 @@
 #define HV_ACCESS_REENLIGHTENMENTS_CONTROL  (1u << 13)
 
 /*
+ * HV_CPUID_FEATURES.EBX bits
+ */
+#define HV_POST_MESSAGES             (1u << 4)
+#define HV_SIGNAL_EVENTS             (1u << 5)
+
+/*
  * HV_CPUID_FEATURES.EDX bits
  */
 #define HV_MWAIT_AVAILABLE                      (1u << 0)