[PULL 017/115] hyperv: expose API to determine if synic is enabled

[Paolo Bonzini]

From: Jon Doron <arilou@gmail.com>

Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-2-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/hyperv/hyperv.c         | 8 ++++++++
 include/hw/hyperv/hyperv.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c
index 4b11f7a76b..a3933c34c6 100644
--- a/hw/hyperv/hyperv.c
+++ b/hw/hyperv/hyperv.c
@@ -38,6 +38,13 @@ typedef struct SynICState {
 #define TYPE_SYNIC "hyperv-synic"
 #define SYNIC(obj) OBJECT_CHECK(SynICState, (obj), TYPE_SYNIC)
 
+static bool synic_enabled;
+
+bool hyperv_is_synic_enabled(void)
+{
+    return synic_enabled;
+}
+
 static SynICState *get_synic(CPUState *cs)
 {
     return SYNIC(object_resolve_path_component(OBJECT(cs), "synic"));
@@ -134,6 +141,7 @@ void hyperv_synic_add(CPUState *cs)
     object_property_add_child(OBJECT(cs), "synic", obj);
     object_unref(obj);
     object_property_set_bool(obj, true, "realized", &error_abort);
+    synic_enabled = true;
 }
 
 void hyperv_synic_reset(CPUState *cs)
diff --git a/include/hw/hyperv/hyperv.h b/include/hw/hyperv/hyperv.h
index 597381cb01..a63ee0003c 100644
--- a/include/hw/hyperv/hyperv.h
+++ b/include/hw/hyperv/hyperv.h
@@ -79,5 +79,6 @@ void hyperv_synic_add(CPUState *cs);
 void hyperv_synic_reset(CPUState *cs);
 void hyperv_synic_update(CPUState *cs, bool enable,
                          hwaddr msg_page_addr, hwaddr event_page_addr);
+bool hyperv_is_synic_enabled(void);
 
 #endif
-- 
2.26.2