Merge remote-tracking branch 'kwolf/for-anthony' into staging

* kwolf/for-anthony:
  test-coroutine: add performance test for nesting
  coroutine: adding configure option for sigaltstack coroutine backend
  coroutine: adding configure choose mechanism for coroutine backend
  coroutine: adding sigaltstack method (.c source)
  qcow2: Reduce number of I/O requests
  qcow2: Add qcow2_alloc_clusters_at()
  qcow2: Factor out count_cow_clusters
  qmp: convert blockdev-snapshot-sync to a wrapper around transactions
  add mode field to blockdev-snapshot-sync transaction item
  rename blockdev-group-snapshot-sync
  qapi: complete implementation of unions
  use QSIMPLEQ_FOREACH_SAFE when freeing list elements
  Add 'make check-block'
  make check: Add qemu-iotests subset
  qemu-iotests: Mark some tests as quick
  qcow2: Add error messages in qcow2_truncate
  block: handle -EBUSY in bdrv_commit_all()
  qcow2: Add some tracing
  qed: do not evict in-use L2 table cache entries
  Group snapshot: Fix format name for backing file

1 files changed, 30 insertions, 1 deletions

diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 5160d83c4f..54117d4d2b 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -110,10 +110,38 @@ def generate_visit_union(name, members):
 
 void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp)
 {
-}
+    Error *err = NULL;
+
+    visit_start_struct(m, (void **)obj, "%(name)s", name, sizeof(%(name)s), &err);
+    visit_type_%(name)sKind(m, &(*obj)->kind, "type", &err);
+    if (err) {
+        error_propagate(errp, err);
+        goto end;
+    }
+    switch ((*obj)->kind) {
 ''',
                  name=name)
 
+    for key in members:
+        ret += mcgen('''
+    case %(abbrev)s_KIND_%(enum)s:
+        visit_type_%(c_type)s(m, &(*obj)->%(c_name)s, "data", errp);
+        break;
+''',
+                abbrev = de_camel_case(name).upper(),
+                enum = de_camel_case(key).upper(),
+                c_type=members[key],
+                c_name=c_var(key))
+
+    ret += mcgen('''
+    default:
+        abort();
+    }
+end:
+    visit_end_struct(m, errp);
+}
+''')
+
     return ret
 
 def generate_declaration(name, members, genlist=True):
@@ -242,6 +270,7 @@ for expr in exprs:
         fdecl.write(ret)
     elif expr.has_key('union'):
         ret = generate_visit_union(expr['union'], expr['data'])
+        ret += generate_visit_list(expr['union'], expr['data'])
         fdef.write(ret)
 
         ret = generate_decl_enum('%sKind' % expr['union'], expr['data'].keys())