tests/qtest/libqos/tpci200.c

   1 /*
   2  * QTest testcase for tpci200 PCI-IndustryPack bridge
   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 QTpci200 QTpci200;
  17 typedef struct QIpack QIpack;
  18
  19 struct QIpack {
  20
  21 };
  22 struct QTpci200 {
  23     QOSGraphObject obj;
  24     QPCIDevice dev;
  25     QIpack ipack;
  26 };
  27
  28 /* tpci200 */
  29 static void *tpci200_get_driver(void *obj, const char *interface)
  30 {
  31     QTpci200 *tpci200 = obj;
  32     if (!g_strcmp0(interface, "ipack")) {
  33         return &tpci200->ipack;
  34     }
  35     if (!g_strcmp0(interface, "pci-device")) {
  36         return &tpci200->dev;
  37     }
  38
  39     fprintf(stderr, "%s not present in tpci200\n", interface);
  40     g_assert_not_reached();
  41 }
  42
  43 static void *tpci200_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
  44 {
  45     QTpci200 *tpci200 = g_new0(QTpci200, 1);
  46     QPCIBus *bus = pci_bus;
  47
  48     qpci_device_init(&tpci200->dev, bus, addr);
  49     tpci200->obj.get_driver = tpci200_get_driver;
  50     return &tpci200->obj;
  51 }
  52
  53 static void tpci200_register_nodes(void)
  54 {
  55     QOSGraphEdgeOptions opts = {
  56         .extra_device_opts = "addr=04.0,id=ipack0",
  57     };
  58     add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
  59
  60     qos_node_create_driver("tpci200", tpci200_create);
  61     qos_node_consumes("tpci200", "pci-bus", &opts);
  62     qos_node_produces("tpci200", "ipack");
  63     qos_node_produces("tpci200", "pci-device");
  64 }
  65
  66 libqos_init(tpci200_register_nodes);