static int q35_host_init(SysBusDevice *dev)
{
PCIBus *b;
PCIHostState *pci = FROM_SYSBUS(PCIHostState, dev);
Q35PCIHost *s = Q35_HOST_DEVICE(&dev->qdev);
memory_region_init_io(&pci->conf_mem, OBJECT(pci), &pci_host_conf_le_ops, pci,
"pci-conf-idx", 4);
sysbus_add_io(dev, MCH_HOST_BRIDGE_CONFIG_ADDR, &pci->conf_mem);
sysbus_init_ioports(&pci->busdev, MCH_HOST_BRIDGE_CONFIG_ADDR, 4);
memory_region_init_io(&pci->data_mem, OBJECT(pci), &pci_host_data_le_ops, pci,
"pci-conf-data", 4);
sysbus_add_io(dev, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
sysbus_init_ioports(&pci->busdev, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
if (pcie_host_init(&s->host) < 0) {
return -1;
}
b = pci_bus_new(&s->host.pci.busdev.qdev, "pcie.0",
s->mch.pci_address_space, s->mch.address_space_io,
0, TYPE_PCIE_BUS);
s->host.pci.bus = b;
qdev_set_parent_bus(DEVICE(&s->mch), BUS(b));
qdev_init_nofail(DEVICE(&s->mch));
return 0;
}
static void q35_host_realize(DeviceState *dev, Error **errp)
{
PCIHostState *pci = PCI_HOST_BRIDGE(dev);
Q35PCIHost *s = Q35_HOST_DEVICE(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_ADDR, &pci->conf_mem);
sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_ADDR, 4);
sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
if (pcie_host_init(PCIE_HOST_BRIDGE(s)) < 0) {
error_setg(errp, "failed to initialize pcie host");
return;
}
pci->bus = pci_bus_new(DEVICE(s), "pcie.0",
s->mch.pci_address_space, s->mch.address_space_io,
0, TYPE_PCIE_BUS);
qdev_set_parent_bus(DEVICE(&s->mch), BUS(pci->bus));
qdev_init_nofail(DEVICE(&s->mch));
}
