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Diffstat (limited to 'hw')
-rw-r--r--hw/pci/pci.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 132d19ec2a..2f24f74cf8 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -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)