LXR qemu/tests/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
  16typedef struct QAC97 QAC97;
  17
  18struct QAC97 {
  19    QOSGraphObject obj;
  20    QPCIDevice dev;
  21};
  22
  23static 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 e1000e\n", interface);
  32    g_assert_not_reached();
  33}
  34
  35static 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
  45static 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
  57libqos_init(ac97_register_nodes);
  58