2 files changed, 14 insertions, 0 deletions
diff --git a/include/hw/hyperv/hyperv-proto.h b/include/hw/hyperv/hyperv-proto.h
index 2dc78eeafb..21dc28aee9 100644
--- a/include/hw/hyperv/hyperv-proto.h
+++ b/include/hw/hyperv/hyperv-proto.h
@@ -21,6 +21,7 @@
 #define HV_STATUS_INVALID_ALIGNMENT           4
 #define HV_STATUS_INVALID_PARAMETER           5
 #define HV_STATUS_INSUFFICIENT_MEMORY         11
+#define HV_STATUS_INVALID_PORT_ID             17
 #define HV_STATUS_INVALID_CONNECTION_ID       18
 #define HV_STATUS_INSUFFICIENT_BUFFERS        19
 
diff --git a/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h
index 757c85eb8f..df92ed7e66 100644
--- a/include/hw/hyperv/hyperv.h
+++ b/include/hw/hyperv/hyperv.h
@@ -39,6 +39,19 @@ int hyperv_post_msg(HvSintRoute *sint_route, struct hyperv_message *msg);
  */
 int hyperv_set_event_flag(HvSintRoute *sint_route, unsigned eventno);
 
+/*
+ * Associate @notifier with the event connection @conn_id, such that @notifier
+ * is signaled when the guest executes HV_SIGNAL_EVENT hypercall on @conn_id.
+ * If @notifier is NULL clear the association.
+ */
+int hyperv_set_event_flag_handler(uint32_t conn_id, EventNotifier *notifier);
+
+/*
+ * Process HV_SIGNAL_EVENT hypercall: signal the EventNotifier associated with
+ * the connection as specified in @param.
+ */
+uint16_t hyperv_hcall_signal_event(uint64_t param, bool fast);
+
 static inline uint32_t hyperv_vp_index(CPUState *cs)
 {
     return cs->cpu_index;