@@ -183,6 +183,29 @@ static void device_realize(DeviceState *dev, Error **err)
}
}
+static int device_realize_one(DeviceState *dev, void *opaque)
+{
+ Error **errp = opaque;
+ Error *err = NULL;
+
+ object_property_set_bool(OBJECT(dev), true, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return -1;
+ }
+ return 0;
+}
+
+static int bus_realize_children(BusState *bus, void *opaque)
+{
+ return qbus_walk_children(bus, device_realize_one, NULL, opaque);
+}
+
+static void device_realize_children(DeviceState *dev, Error **errp)
+{
+ qdev_walk_children(dev, NULL, bus_realize_children, errp);
+}
+
static void device_unrealize(DeviceState *dev, Error **errp)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
@@ -196,6 +219,29 @@ static void device_unrealize(DeviceState *dev, Error **errp)
}
}
+static int device_unrealize_one(DeviceState *dev, void *opaque)
+{
+ Error **errp = opaque;
+ Error *err = NULL;
+
+ object_property_set_bool(OBJECT(dev), false, "realized", &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return -1;
+ }
+ return 0;
+}
+
+static int bus_unrealize_children(BusState *bus, void *opaque)
+{
+ return qbus_walk_children(bus, device_unrealize_one, NULL, opaque);
+}
+
+static void device_unrealize_children(DeviceState *dev, Error **errp)
+{
+ qdev_walk_children(dev, NULL, bus_unrealize_children, errp);
+}
+
void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
int required_for_version)
{
@@ -678,7 +724,7 @@ static bool device_get_realized(Object *obj, Error **err)
return dev->realized;
}
-static void device_set_realized(Object *obj, bool value, Error **err)
+static void device_set_realized(Object *obj, bool value, Error **errp)
{
DeviceState *dev = DEVICE(obj);
DeviceClass *dc = DEVICE_GET_CLASS(dev);
@@ -704,24 +750,26 @@ static void device_set_realized(Object *obj, bool value, Error **err)
dev->instance_id_alias,
dev->alias_required_for_version);
}
+ dev->realized = true;
+ dc->realize_children(dev, errp);
if (dev->hotplugged && local_err == NULL) {
device_reset(dev);
}
} else if (!value && dev->realized) {
+ dc->unrealize_children(dev, errp);
if (qdev_get_vmsd(dev)) {
vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
}
if (dc->unrealize) {
dc->unrealize(dev, &local_err);
}
+ dev->realized = false;
}
if (local_err != NULL) {
- error_propagate(err, local_err);
+ error_propagate(errp, local_err);
return;
}
-
- dev->realized = value;
}
static void device_initfn(Object *obj)
@@ -825,7 +873,9 @@ static void device_class_init(ObjectClass *class, void *data)
class->unparent = device_unparent;
dc->realize = device_realize;
+ dc->realize_children = device_realize_children;
dc->unrealize = device_unrealize;
+ dc->unrealize_children = device_unrealize_children;
}
void device_reset(DeviceState *dev)
@@ -21,7 +21,9 @@ typedef int (*qdev_initfn)(DeviceState *dev);
typedef int (*qdev_event)(DeviceState *dev);
typedef void (*qdev_resetfn)(DeviceState *dev);
typedef void (*DeviceRealize)(DeviceState *dev, Error **errp);
+typedef void (*DeviceRealizeChildren)(DeviceState *dev, Error **errp);
typedef void (*DeviceUnrealize)(DeviceState *dev, Error **errp);
+typedef void (*DeviceUnrealizeChildren)(DeviceState *dev, Error **errp);
struct VMStateDescription;
@@ -88,7 +90,9 @@ typedef struct DeviceClass {
/* callbacks */
void (*reset)(DeviceState *dev);
DeviceRealize realize;
+ DeviceRealizeChildren realize_children;
DeviceUnrealize unrealize;
+ DeviceUnrealizeChildren unrealize_children;
/* device state */
const struct VMStateDescription *vmsd;