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authorIgor Mammedov <imammedo@redhat.com>2014-01-16 17:34:38 +0100
committerLuiz Capitulino <lcapitulino@redhat.com>2014-01-28 12:47:02 -0500
commit269e09f3fc922b800d118d9c8a721be46b5462a3 (patch)
tree45a18489d3fa4c2bb54e96f7f26ca9f7f6a0af81 /qmp.c
parent90e9cf28e57a3e1d6caa0a28b0a332ff982ccb0b (diff)
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add optional 2nd stage initialization to -object/object-add commands
Introduces USER_CREATABLE interface that must be implemented by objects which are designed to created with -object CLI option or object-add QMP command. Interface provides an ability to do an optional second stage initialization of the object created with -object/object-add commands. By providing complete() callback, which is called after the object properties were set. It allows to: * prevents misusing of -object/object-add by filtering out objects that are not designed for it. * generalize second stage backend initialization instead of adding custom APIs to perform it * early error detection of backend initialization at -object/ object-add time rather than through a proxy DEVICE object that tries to use backend. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'qmp.c')
-rw-r--r--qmp.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/qmp.c b/qmp.c
index a67e0c4..d0d98e7 100644
--- a/qmp.c
+++ b/qmp.c
@@ -27,6 +27,7 @@
#include "qapi/qmp/qobject.h"
#include "qapi/qmp-input-visitor.h"
#include "hw/boards.h"
+#include "qom/object_interfaces.h"
NameInfo *qmp_query_name(Error **errp)
{
@@ -554,6 +555,17 @@ void object_add(const char *type, const char *id, const QDict *qdict,
}
}
+ if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
+ error_setg(&local_err, "object '%s' isn't supported by object-add",
+ id);
+ goto out;
+ }
+
+ user_creatable_complete(obj, &local_err);
+ if (local_err) {
+ goto out;
+ }
+
object_property_add_child(container_get(object_get_root(), "/objects"),
id, obj, &local_err);
out: