[Qemu-block] [RFC PATCH 2/6] qom: Move compat_props machinery from qdev to QOM

[Markus Armbruster]

See the previous commit for rationale.

Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
 hw/core/qdev.c         | 39 ---------------------------------------
 include/hw/qdev-core.h |  4 ----
 include/qom/object.h   |  3 +++
 qom/object.c           | 39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 42 insertions(+), 43 deletions(-)

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 1a86c7990a..25dffad3ed 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -970,45 +970,6 @@ static void device_initfn(Object *obj)
     QLIST_INIT(&dev->gpios);
 }
 
-/*
- * Global property defaults
- * Slot 0: accelerator's global property defaults
- * Slot 1: machine's global property defaults
- * Each is a GPtrArray of of GlobalProperty.
- * Applied in order, later entries override earlier ones.
- */
-static GPtrArray *object_compat_props[2];
-
-/*
- * Set machine's global property defaults to @compat_props.
- * May be called at most once.
- */
-void object_set_machine_compat_props(GPtrArray *compat_props)
-{
-    assert(!object_compat_props[1]);
-    object_compat_props[1] = compat_props;
-}
-
-/*
- * Set accelerator's global property defaults to @compat_props.
- * May be called at most once.
- */
-void object_set_accelerator_compat_props(GPtrArray *compat_props)
-{
-    assert(!object_compat_props[0]);
-    object_compat_props[0] = compat_props;
-}
-
-void object_apply_compat_props(Object *obj)
-{
-    int i;
-
-    for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) {
-        object_apply_global_props(obj, object_compat_props[i],
-                                  &error_abort);
-    }
-}
-
 static void device_post_init(Object *obj)
 {
     /*
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index bced1f2666..f2f0006234 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -418,10 +418,6 @@ const char *qdev_fw_name(DeviceState *dev);
 
 Object *qdev_get_machine(void);
 
-void object_set_machine_compat_props(GPtrArray *compat_props);
-void object_set_accelerator_compat_props(GPtrArray *compat_props);
-void object_apply_compat_props(Object *obj);
-
 /* FIXME: make this a link<> */
 void qdev_set_parent_bus(DeviceState *dev, BusState *bus);
 
diff --git a/include/qom/object.h b/include/qom/object.h
index e0262962b5..288cdddf44 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -677,6 +677,9 @@ Object *object_new_with_propv(const char *typename,
 
 void object_apply_global_props(Object *obj, const GPtrArray *props,
                                Error **errp);
+void object_set_machine_compat_props(GPtrArray *compat_props);
+void object_set_accelerator_compat_props(GPtrArray *compat_props);
+void object_apply_compat_props(Object *obj);
 
 /**
  * object_set_props:
diff --git a/qom/object.c b/qom/object.c
index b8c732063b..adb9b7fe91 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -408,6 +408,45 @@ void object_apply_global_props(Object *obj, const 
GPtrArray *props, Error **errp
     }
 }
 
+/*
+ * Global property defaults
+ * Slot 0: accelerator's global property defaults
+ * Slot 1: machine's global property defaults
+ * Each is a GPtrArray of of GlobalProperty.
+ * Applied in order, later entries override earlier ones.
+ */
+static GPtrArray *object_compat_props[2];
+
+/*
+ * Set machine's global property defaults to @compat_props.
+ * May be called at most once.
+ */
+void object_set_machine_compat_props(GPtrArray *compat_props)
+{
+    assert(!object_compat_props[1]);
+    object_compat_props[1] = compat_props;
+}
+
+/*
+ * Set accelerator's global property defaults to @compat_props.
+ * May be called at most once.
+ */
+void object_set_accelerator_compat_props(GPtrArray *compat_props)
+{
+    assert(!object_compat_props[0]);
+    object_compat_props[0] = compat_props;
+}
+
+void object_apply_compat_props(Object *obj)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) {
+        object_apply_global_props(obj, object_compat_props[i],
+                                  &error_abort);
+    }
+}
+
 static void object_initialize_with_type(void *data, size_t size, TypeImpl 
*type)
 {
     Object *obj = data;
-- 
2.17.2