tests/qtest/ac97-test.c

   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);