vl: extract machine done notifiers

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/hw/core/machine.c b/hw/core/machine.c
index 71a0e375ab..d7f8fdee45 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -1169,6 +1169,30 @@ void machine_run_board_init(MachineState *machine)
     machine_class->init(machine);
 }
 
+static NotifierList machine_init_done_notifiers =
+    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
+
+bool machine_init_done;
+
+void qemu_add_machine_init_done_notifier(Notifier *notify)
+{
+    notifier_list_add(&machine_init_done_notifiers, notify);
+    if (machine_init_done) {
+        notify->notify(notify, NULL);
+    }
+}
+
+void qemu_remove_machine_init_done_notifier(Notifier *notify)
+{
+    notifier_remove(notify);
+}
+
+void qemu_run_machine_init_done_notifiers(void)
+{
+    machine_init_done = true;
+    notifier_list_notify(&machine_init_done_notifiers, NULL);
+}
+
 static const TypeInfo machine_info = {
     .name = TYPE_MACHINE,
     .parent = TYPE_OBJECT,