提交 602141d9 编写于 作者: M Marcel Apfelbaum 提交者: Michael S. Tsirkin

hw/pci: made pci_bus_num a PCIBusClass method

Refactoring it as a method of PCIBusClass will allow
different implementations for subclasses.
Signed-off-by: NMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
Acked-by: NLaszlo Ersek <lersek@redhat.com>
上级 ce6a28ee
......@@ -93,6 +93,14 @@ static bool pcibus_is_root(PCIBus *bus)
return !bus->parent_dev;
}
static int pcibus_num(PCIBus *bus)
{
if (pcibus_is_root(bus)) {
return 0; /* pci host bridge */
}
return bus->parent_dev->config[PCI_SECONDARY_BUS];
}
static void pci_bus_class_init(ObjectClass *klass, void *data)
{
BusClass *k = BUS_CLASS(klass);
......@@ -106,6 +114,7 @@ static void pci_bus_class_init(ObjectClass *klass, void *data)
k->reset = pcibus_reset;
pbc->is_root = pcibus_is_root;
pbc->bus_num = pcibus_num;
}
static const TypeInfo pci_bus_info = {
......@@ -390,9 +399,7 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name,
int pci_bus_num(PCIBus *s)
{
if (pci_bus_is_root(s))
return 0; /* pci host bridge */
return s->parent_dev->config[PCI_SECONDARY_BUS];
return PCI_BUS_GET_CLASS(s)->bus_num(s);
}
static int get_pci_config_device(QEMUFile *f, void *pv, size_t size)
......
......@@ -14,6 +14,7 @@ typedef struct PCIBusClass {
/*< public >*/
bool (*is_root)(PCIBus *bus);
int (*bus_num)(PCIBus *bus);
} PCIBusClass;
struct PCIBus {
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册