xref: /openbmc/qemu/tests/qtest/ac97-test.c (revision b14df228)
1 /*
2  * QTest testcase for AC97
3  *
4  * Copyright (c) 2014 SUSE LINUX Products GmbH
5  *
6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
7  * See the COPYING file in the top-level directory.
8  */
9 
10 #include "qemu/osdep.h"
11 #include "libqtest.h"
12 #include "qemu/module.h"
13 #include "libqos/qgraph.h"
14 #include "libqos/pci.h"
15 
16 typedef struct QAC97 QAC97;
17 
18 struct QAC97 {
19     QOSGraphObject obj;
20     QPCIDevice dev;
21 };
22 
23 static void *ac97_get_driver(void *obj, const char *interface)
24 {
25     QAC97 *ac97 = obj;
26 
27     if (!g_strcmp0(interface, "pci-device")) {
28         return &ac97->dev;
29     }
30 
31     fprintf(stderr, "%s not present in ac97\n", interface);
32     g_assert_not_reached();
33 }
34 
35 static void *ac97_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
36 {
37     QAC97 *ac97 = g_new0(QAC97, 1);
38     QPCIBus *bus = pci_bus;
39 
40     qpci_device_init(&ac97->dev, bus, addr);
41     ac97->obj.get_driver = ac97_get_driver;
42     return &ac97->obj;
43 }
44 
45 static void ac97_register_nodes(void)
46 {
47     QOSGraphEdgeOptions opts = {
48         .extra_device_opts = "addr=04.0",
49     };
50     add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
51 
52     qos_node_create_driver("AC97", ac97_create);
53     qos_node_produces("AC97", "pci-device");
54     qos_node_consumes("AC97", "pci-bus", &opts);
55 }
56 
57 libqos_init(ac97_register_nodes);
58