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 "libqos/qgraph.h"
  13 #include "libqos/pci.h"
  14
  15 typedef struct QAC97 QAC97;
  16
  17 struct QAC97 {
  18     QOSGraphObject obj;
  19     QPCIDevice dev;
  20 };
  21
  22 static void *ac97_get_driver(void *obj, const char *interface)
  23 {
  24     QAC97 *ac97 = obj;
  25
  26     if (!g_strcmp0(interface, "pci-device")) {
  27         return &ac97->dev;
  28     }
  29
  30     fprintf(stderr, "%s not present in e1000e\n", interface);
  31     g_assert_not_reached();
  32 }
  33
  34 static void *ac97_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
  35 {
  36     QAC97 *ac97 = g_new0(QAC97, 1);
  37     QPCIBus *bus = pci_bus;
  38
  39     qpci_device_init(&ac97->dev, bus, addr);
  40     ac97->obj.get_driver = ac97_get_driver;
  41     return &ac97->obj;
  42 }
  43
  44 static void ac97_register_nodes(void)
  45 {
  46     QOSGraphEdgeOptions opts = {
  47         .extra_device_opts = "addr=04.0",
  48     };
  49     add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
  50
  51     qos_node_create_driver("AC97", ac97_create);
  52     qos_node_produces("AC97", "pci-device");
  53     qos_node_consumes("AC97", "pci-bus", &opts);
  54 }
  55
  56 libqos_init(ac97_register_nodes);