tests/pcnet-test.c

   1 /*
   2  * QTest testcase for PC-Net NIC
   3  *
   4  * Copyright (c) 2013-2014 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 QPCNet QPCNet;
  16
  17 struct QPCNet {
  18     QOSGraphObject obj;
  19     QPCIDevice dev;
  20 };
  21
  22 static void *pcnet_get_driver(void *obj, const char *interface)
  23 {
  24     QPCNet *pcnet = obj;
  25
  26     if (!g_strcmp0(interface, "pci-device")) {
  27         return &pcnet->dev;
  28     }
  29
  30     fprintf(stderr, "%s not present in pcnet\n", interface);
  31     g_assert_not_reached();
  32 }
  33
  34 static void *pcnet_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
  35 {
  36     QPCNet *pcnet = g_new0(QPCNet, 1);
  37     QPCIBus *bus = pci_bus;
  38
  39     qpci_device_init(&pcnet->dev, bus, addr);
  40     pcnet->obj.get_driver = pcnet_get_driver;
  41
  42     return &pcnet->obj;
  43 }
  44
  45 static void pcnet_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("pcnet", pcnet_create);
  53     qos_node_consumes("pcnet", "pci-bus", &opts);
  54     qos_node_produces("pcnet", "pci-device");
  55 }
  56
  57 libqos_init(pcnet_register_nodes);