Add a helper macro for adding read-only properties, that works in the
common case where the value is a constant.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
I'm using this patch in my acpi work - any objections
to applying it on my tree?
include/qom/object.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/include/qom/object.h b/include/qom/object.h
index 1a7b71a..4787de6 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -17,6 +17,7 @@
#include <glib.h>
#include <stdint.h>
#include <stdbool.h>
+#include "qemu/typedefs.h"
#include "qemu/queue.h"
struct Visitor;
@@ -792,6 +793,26 @@ void object_property_add(Object *obj, const char *name,
const char *type,
ObjectPropertyRelease *release,
void *opaque, struct Error **errp);
+/* Add a property that is an integer constant. */
+#define OBJECT_ADD_PROP_CONST(obj, name, value) \
+ do { \
+ void OBJECT_ADD_PROP_GET(Object *OBJECT_ADD_PROP_OBJ, \
+ struct Visitor *OBJECT_ADD_PROP_VISITOR, \
+ void *OBJECT_ADD_PROP_OPAQUE, \
+ const char *OBJECT_ADD_PROP_NAME, \
+ struct Error **OBJECT_ADD_PROP_VALUE_ERR) \
+ { \
+ int64_t OBJECT_ADD_PROP_VALUE = value; \
+ \
+ visit_type_int64(OBJECT_ADD_PROP_VISITOR, \
+ &OBJECT_ADD_PROP_VALUE, \
+ OBJECT_ADD_PROP_NAME, \
+ OBJECT_ADD_PROP_VALUE_ERR); \
+ } \
+ object_property_add(obj, name, "int", OBJECT_ADD_PROP_GET, \
+ NULL, NULL, NULL, NULL); \
+ } while (0)
+
void object_property_del(Object *obj, const char *name, struct Error **errp);
/**
--
MST
