tests/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 "libqos/qgraph.h"
  13 #include "libqos/pci.h"
  14
  15 typedef struct QTpci200 QTpci200;
  16 typedef struct QIpack QIpack;
  17
  18 struct QIpack {
  19
  20 };
  21 struct QTpci200 {
  22     QOSGraphObject obj;
  23     QPCIDevice dev;
  24     QIpack ipack;
  25 };
  26
  27 /* tpci200 */
  28 static void *tpci200_get_driver(void *obj, const char *interface)
  29 {
  30     QTpci200 *tpci200 = obj;
  31     if (!g_strcmp0(interface, "ipack")) {
  32         return &tpci200->ipack;
  33     }
  34     if (!g_strcmp0(interface, "pci-device")) {
  35         return &tpci200->dev;
  36     }
  37
  38     fprintf(stderr, "%s not present in tpci200\n", interface);
  39     g_assert_not_reached();
  40 }
  41
  42 static void *tpci200_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
  43 {
  44     QTpci200 *tpci200 = g_new0(QTpci200, 1);
  45     QPCIBus *bus = pci_bus;
  46
  47     qpci_device_init(&tpci200->dev, bus, addr);
  48     tpci200->obj.get_driver = tpci200_get_driver;
  49     return &tpci200->obj;
  50 }
  51
  52 static void tpci200_register_nodes(void)
  53 {
  54     QOSGraphEdgeOptions opts = {
  55         .extra_device_opts = "addr=04.0,id=ipack0",
  56     };
  57     add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
  58
  59     qos_node_create_driver("tpci200", tpci200_create);
  60     qos_node_consumes("tpci200", "pci-bus", &opts);
  61     qos_node_produces("tpci200", "ipack");
  62     qos_node_produces("tpci200", "pci-device");
  63 }
  64
  65 libqos_init(tpci200_register_nodes);