vmstate_unregister(NULL, &vmstate_pcibus, bus);
}
+static bool pcibus_is_root(PCIBus *bus)
+{
+ return !bus->parent_dev;
+}
+
static void pci_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
+ PCIBusClass *pbc = PCI_BUS_CLASS(klass);
k->print_dev = pcibus_dev_print;
k->get_dev_path = pcibus_get_dev_path;
k->realize = pci_bus_realize;
k->unrealize = pci_bus_unrealize;
k->reset = pcibus_reset;
+
+ pbc->is_root = pcibus_is_root;
}
static const TypeInfo pci_bus_info = {
.name = TYPE_PCI_BUS,
.parent = TYPE_BUS,
.instance_size = sizeof(PCIBus),
+ .class_size = sizeof(PCIBusClass),
.class_init = pci_bus_class_init,
};
{
PCIBus *bus = d->bus;
- while ((d = bus->parent_dev) != NULL) {
+ while (!pci_bus_is_root(bus)) {
+ d = bus->parent_dev;
+ assert(d != NULL);
+
bus = d->bus;
}
PCIHostState *host_bridge = PCI_HOST_BRIDGE(rootbus->qbus.parent);
PCIHostBridgeClass *hc = PCI_HOST_BRIDGE_GET_CLASS(host_bridge);
- assert(!rootbus->parent_dev);
assert(host_bridge->bus == rootbus);
if (hc->root_bus_path) {
bool pci_bus_is_root(PCIBus *bus)
{
- return !bus->parent_dev;
+ return PCI_BUS_GET_CLASS(bus)->is_root(bus);
}
void pci_bus_new_inplace(PCIBus *bus, size_t bus_size, DeviceState *parent,
#define TYPE_PCI_BUS "PCI"
#define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
+#define PCI_BUS_CLASS(klass) OBJECT_CLASS_CHECK(PCIBusClass, (klass), TYPE_PCI_BUS)
+#define PCI_BUS_GET_CLASS(obj) OBJECT_GET_CLASS(PCIBusClass, (obj), TYPE_PCI_BUS)
#define TYPE_PCIE_BUS "PCIE"
bool pci_bus_is_express(PCIBus *bus);