[Qemu-devel] [PATCH v3 1/2] qdev: add qdev_build_hotpluggable_device_list helper

[Zhu Guihua]

For peripheral device del completion, add a function to build a list for
hotpluggable devices.

Signed-off-by: Zhu Guihua <zhugh.f...@cn.fujitsu.com>
---
 hw/core/qdev.c         | 14 ++++++++++++++
 include/hw/qdev-core.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index fcb1638..5f4b2b9 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -801,6 +801,20 @@ void qdev_alias_all_properties(DeviceState *target, Object 
*source)
     } while (class != object_class_by_name(TYPE_DEVICE));
 }
 
+int qdev_build_hotpluggable_device_list(Object *obj, void *opaque)
+{
+    GSList **list = opaque;
+    DeviceState *dev = DEVICE(obj);
+    DeviceClass *dc = DEVICE_GET_CLASS(dev);
+
+    if (dev->realized && dc->hotpluggable) {
+        *list = g_slist_append(*list, dev);
+    }
+
+    object_child_foreach(obj, qdev_build_hotpluggable_device_list, opaque);
+    return 0;
+}
+
 static bool device_get_realized(Object *obj, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 178fee2..aa76fdc 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -361,6 +361,8 @@ extern int qdev_hotplug;
 
 char *qdev_get_dev_path(DeviceState *dev);
 
+int qdev_build_hotpluggable_device_list(Object *obj, void *opaque);
+
 static inline void qbus_set_hotplug_handler(BusState *bus, DeviceState 
*handler,
                                             Error **errp)
 {
-- 
1.9.3