jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * QOM interface test.
3 *
4 * Copyright (C) 2013 Red Hat Inc.
5 *
6 * Authors:
7 * Igor Mammedov <imammedo@redhat.com>
8 *
9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10 * See the COPYING.LIB file in the top-level directory.
11 */
12#include "qemu/osdep.h"
13
14#include "qom/object.h"
15#include "qemu/module.h"
16
17
18#define TYPE_TEST_IF "test-interface"
19#define TEST_IF_CLASS(klass) \
20 OBJECT_CLASS_CHECK(TestIfClass, (klass), TYPE_TEST_IF)
21#define TEST_IF_GET_CLASS(obj) \
22 OBJECT_GET_CLASS(TestIfClass, (obj), TYPE_TEST_IF)
23#define TEST_IF(obj) \
24 INTERFACE_CHECK(TestIf, (obj), TYPE_TEST_IF)
25
26typedef struct TestIf TestIf;
27
28typedef struct TestIfClass {
29 InterfaceClass parent_class;
30
31 uint32_t test;
32} TestIfClass;
33
34static const TypeInfo test_if_info = {
35 .name = TYPE_TEST_IF,
36 .parent = TYPE_INTERFACE,
37 .class_size = sizeof(TestIfClass),
38};
39
40#define PATTERN 0xFAFBFCFD
41
42static void test_class_init(ObjectClass *oc, void *data)
43{
44 TestIfClass *tc = TEST_IF_CLASS(oc);
45
46 g_assert(tc);
47 tc->test = PATTERN;
48}
49
50#define TYPE_DIRECT_IMPL "direct-impl"
51
52static const TypeInfo direct_impl_info = {
53 .name = TYPE_DIRECT_IMPL,
54 .parent = TYPE_OBJECT,
55 .class_init = test_class_init,
56 .interfaces = (InterfaceInfo[]) {
57 { TYPE_TEST_IF },
58 { }
59 }
60};
61
62#define TYPE_INTERMEDIATE_IMPL "intermediate-impl"
63
64static const TypeInfo intermediate_impl_info = {
65 .name = TYPE_INTERMEDIATE_IMPL,
66 .parent = TYPE_DIRECT_IMPL,
67};
68
69static void test_interface_impl(const char *type)
70{
71 Object *obj = object_new(type);
72 TestIf *iobj = TEST_IF(obj);
73 TestIfClass *ioc = TEST_IF_GET_CLASS(iobj);
74
75 g_assert(iobj);
76 g_assert(ioc->test == PATTERN);
77 object_unref(obj);
78}
79
80static void interface_direct_test(void)
81{
82 test_interface_impl(TYPE_DIRECT_IMPL);
83}
84
85static void interface_intermediate_test(void)
86{
87 test_interface_impl(TYPE_INTERMEDIATE_IMPL);
88}
89
90int main(int argc, char **argv)
91{
92 g_test_init(&argc, &argv, NULL);
93
94 module_call_init(MODULE_INIT_QOM);
95 type_register_static(&test_if_info);
96 type_register_static(&direct_impl_info);
97 type_register_static(&intermediate_impl_info);
98
99 g_test_add_func("/qom/interface/direct_impl", interface_direct_test);
100 g_test_add_func("/qom/interface/intermediate_impl",
101 interface_intermediate_test);
102
103 return g_test_run();
104}