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authorMarcel Apfelbaum <marcel.a@redhat.com>2015-06-02 14:22:58 +0300
committerMichael S. Tsirkin <mst@redhat.com>2015-06-03 18:19:16 +0200
commit602141d9974d726063907851528c89d617730156 (patch)
tree98d94feb225a49f61cf3b87b43f91a1eea308381
parentce6a28ee057da3e4a587dada369e33a8486b0066 (diff)
downloadqemu-602141d9974d726063907851528c89d617730156.zip
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: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Laszlo Ersek <lersek@redhat.com>
-rw-r--r--hw/pci/pci.c13
-rw-r--r--include/hw/pci/pci_bus.h1
2 files changed, 11 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)
diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h
index b5ba9c4a98..7b9939e346 100644
--- a/include/hw/pci/pci_bus.h
+++ b/include/hw/pci/pci_bus.h
@@ -14,6 +14,7 @@ typedef struct PCIBusClass {
/*< public >*/
bool (*is_root)(PCIBus *bus);
+ int (*bus_num)(PCIBus *bus);
} PCIBusClass;
struct PCIBus {