static void
pci_bus_scan (struct pci_info * pci)
{
uint8_t hdr_type;
hdr_type = pci_get_hdr_type(0, 0, 0);
if ((hdr_type & 0x80) == 0) {
/* only one PCI host controller */
pci_bus_probe(pci, 0);
} else {
ERROR_PRINT("Host with multiple PCI host controllers not supported\n");
}
}
static int pci_bus_probe_wrapper(struct device *dev)
{
int r;
struct pci_dev *pci_dev = to_pci_dev(dev);
struct physdev_manage_pci manage_pci;
manage_pci.bus = pci_dev->bus->number;
manage_pci.devfn = pci_dev->devfn;
r = HYPERVISOR_physdev_op(PHYSDEVOP_manage_pci_add, &manage_pci);
if (r && r != -ENOSYS)
return r;
r = pci_bus_probe(dev);
return r;
}
static void
pci_fun_probe (struct pci_info * pci, uint8_t bus, uint8_t dev, uint8_t fun)
{
uint8_t base_class;
uint8_t sub_class;
uint8_t sec_bus;
base_class = pci_get_base_class(bus, dev, fun);
sub_class = pci_get_sub_class(bus, dev, fun);
if (base_class == PCI_CLASS_BRIDGE && sub_class == PCI_SUBCLASS_BRIDGE_PCI) {
sec_bus = pci_get_sec_bus(bus, dev, fun);
pci_bus_probe(pci, sec_bus);
}
}