tests/qtest/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 "libqos/libqtest.h"
  12 #include "qemu/module.h"
  13 #include "libqos/qgraph.h"
  14 #include "libqos/pci.h"
  15
  16 typedef struct QPCNet QPCNet;
  17
  18 struct QPCNet {
  19     QOSGraphObject obj;
  20     QPCIDevice dev;
  21 };
  22
  23 static void *pcnet_get_driver(void *obj, const char *interface)
  24 {
  25     QPCNet *pcnet = obj;
  26
  27     if (!g_strcmp0(interface, "pci-device")) {
  28         return &pcnet->dev;
  29     }
  30
  31     fprintf(stderr, "%s not present in pcnet\n", interface);
  32     g_assert_not_reached();
  33 }
  34
  35 static void *pcnet_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
  36 {
  37     QPCNet *pcnet = g_new0(QPCNet, 1);
  38     QPCIBus *bus = pci_bus;
  39
  40     qpci_device_init(&pcnet->dev, bus, addr);
  41     pcnet->obj.get_driver = pcnet_get_driver;
  42
  43     return &pcnet->obj;
  44 }
  45
  46 static void pcnet_register_nodes(void)
  47 {
  48     QOSGraphEdgeOptions opts = {
  49         .extra_device_opts = "addr=04.0",
  50     };
  51     add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
  52
  53     qos_node_create_driver("pcnet", pcnet_create);
  54     qos_node_consumes("pcnet", "pci-bus", &opts);
  55     qos_node_produces("pcnet", "pci-device");
  56 }
  57
  58 libqos_init(pcnet_register_nodes);