*/
#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_policy_reject(Visitor *v, const char *name,
+ unsigned special_features, Error **errp)
+{
+ trace_visit_policy_reject(v, name);
+ if (v->policy_reject) {
+ return v->policy_reject(v, name, special_features, errp);
+ }
+ return false;
+}
+
+bool visit_policy_skip(Visitor *v, const char *name,
+ unsigned special_features)
+{
+ trace_visit_policy_skip(v, name);
+ if (v->policy_skip) {
+ return v->policy_skip(v, name, special_features);
+ }
+ return false;
+}
+
+void visit_set_policy(Visitor *v, CompatPolicy *policy)
+{
+ v->compat_policy = *policy;
+}
+
bool visit_is_input(Visitor *v)
{
return v->type == VISITOR_INPUT;
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;
value = qapi_enum_parse(lookup, enum_str, -1, NULL);
if (value < 0) {
- error_setg(errp, QERR_INVALID_PARAMETER, enum_str);
- g_free(enum_str);
+ error_setg(errp, "Parameter '%s' does not accept value '%s'",
+ name ? name : "null", enum_str);
+ return false;
+ }
+
+ 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;
}
- g_free(enum_str);
*obj = value;
return true;
}