qdev: expose DeviceState.hotplugged field as a property

so that management could detect via QOM interface if device was
hotplugged

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index fded64575d..3226a71d30 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -878,6 +878,20 @@ static bool device_get_hotpluggable(Object *obj, Error **errp)
                                 dev->parent_bus->allow_hotplug);
 }
 
+static bool device_get_hotplugged(Object *obj, Error **err)
+{
+    DeviceState *dev = DEVICE(obj);
+
+    return dev->hotplugged;
+}
+
+static void device_set_hotplugged(Object *obj, bool value, Error **err)
+{
+    DeviceState *dev = DEVICE(obj);
+
+    dev->hotplugged = value;
+}
+
 static void device_initfn(Object *obj)
 {
     DeviceState *dev = DEVICE(obj);
@@ -896,6 +910,9 @@ static void device_initfn(Object *obj)
                              device_get_realized, device_set_realized, NULL);
     object_property_add_bool(obj, "hotpluggable",
                              device_get_hotpluggable, NULL, NULL);
+    object_property_add_bool(obj, "hotplugged",
+                             device_get_hotplugged, device_set_hotplugged,
+                             &error_abort);
 
     class = object_get_class(OBJECT(dev));
     do {