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[7/9] qdev: add notifier for when the device loses its parent bus (eject)

Message ID 1345996298-4892-8-git-send-email-aliguori@us.ibm.com
State New
Headers show

Commit Message

Anthony Liguori Aug. 26, 2012, 3:51 p.m. UTC 
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 hw/qdev.c |    2 ++
 hw/qdev.h |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)
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Patch

diff --git a/hw/qdev.c b/hw/qdev.c
index fdee91f..86e1337 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -672,6 +672,8 @@  static void device_initfn(Object *obj)
 
     object_property_add_link(OBJECT(dev), "parent_bus", TYPE_BUS,
                              (Object **)&dev->parent_bus, NULL);
+
+    notifier_list_init(&dev->eject_notifier);
 }
 
 /* Unlink device from bus and free the structure.  */
diff --git a/hw/qdev.h b/hw/qdev.h
index 3561e3a..5009072 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -8,6 +8,7 @@ 
 #include "qapi/qapi-visit-core.h"
 #include "qemu/object.h"
 #include "error.h"
+#include "notify.h"
 
 typedef struct Property Property;
 
@@ -76,6 +77,8 @@  struct DeviceState {
     int num_child_bus;
     int instance_id_alias;
     int alias_required_for_version;
+
+    NotifierList eject_notifier;
 };
 
 #define TYPE_BUS "bus"