*/
#include "qemu/osdep.h"
+#include "qapi/compat-policy.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qapi/visitor.h"
#include "qapi/visitor-impl.h"
#include "trace.h"
+/* Zero-initialization must result in default policy */
+QEMU_BUILD_BUG_ON(COMPAT_POLICY_INPUT_ACCEPT || COMPAT_POLICY_OUTPUT_ACCEPT);
+
+
void visit_complete(Visitor *v, void *opaque)
{
assert(v->type != VISITOR_OUTPUT || v->complete);
return *present;
}
-bool visit_deprecated_accept(Visitor *v, const char *name, Error **errp)
+bool visit_policy_reject(Visitor *v, const char *name,
+ unsigned special_features, Error **errp)
{
- trace_visit_deprecated_accept(v, name);
- if (v->deprecated_accept) {
- return v->deprecated_accept(v, name, errp);
+ trace_visit_policy_reject(v, name);
+ if (v->policy_reject) {
+ return v->policy_reject(v, name, special_features, errp);
}
- return true;
+ return false;
}
-bool visit_deprecated(Visitor *v, const char *name)
+bool visit_policy_skip(Visitor *v, const char *name,
+ unsigned special_features)
{
- trace_visit_deprecated(v, name);
- if (v->deprecated) {
- return v->deprecated(v, name);
+ trace_visit_policy_skip(v, name);
+ if (v->policy_skip) {
+ return v->policy_skip(v, name, special_features);
}
- return true;
+ return false;
+}
+
+void visit_set_policy(Visitor *v, CompatPolicy *policy)
+{
+ v->compat_policy = *policy;
}
bool visit_is_input(Visitor *v)
const QEnumLookup *lookup, Error **errp)
{
int64_t value;
- char *enum_str;
+ g_autofree char *enum_str = NULL;
if (!visit_type_str(v, name, &enum_str, errp)) {
return false;
if (value < 0) {
error_setg(errp, "Parameter '%s' does not accept value '%s'",
name ? name : "null", enum_str);
- g_free(enum_str);
return false;
}
- g_free(enum_str);
+ if (lookup->special_features
+ && !compat_policy_input_ok(lookup->special_features[value],
+ &v->compat_policy,
+ ERROR_CLASS_GENERIC_ERROR,
+ "value", enum_str, errp)) {
+ return false;
+ }
+
*obj = value;
return true;
}