[Qemu-devel] [PATCH 1/7] pci: Create and register a new PCI Express TypeInfo

[Alex Williamson <alex.williamson@redhat.com>]

This will allow us to differentiate Express and Legacy buses.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
 hw/pci/pci.c     |    6 ++++++
 hw/pci/pci_bus.h |    1 +
 2 files changed, 7 insertions(+)

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index f24c389..e74b43d 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -75,6 +75,11 @@ static const TypeInfo pci_bus_info = {
     .class_init = pci_bus_class_init,
 };
 
+static const TypeInfo pcie_bus_info = {
+    .name = TYPE_PCIE_BUS,
+    .parent = TYPE_PCI_BUS,
+};
+
 static PCIBus *pci_find_bus_nr(PCIBus *bus, int bus_num);
 static void pci_update_mappings(PCIDevice *d);
 static void pci_set_irq(void *opaque, int irq_num, int level);
@@ -2231,6 +2236,7 @@ static const TypeInfo pci_device_type_info = {
 static void pci_register_types(void)
 {
     type_register_static(&pci_bus_info);
+    type_register_static(&pcie_bus_info);
     type_register_static(&pci_device_type_info);
 }
 
diff --git a/hw/pci/pci_bus.h b/hw/pci/pci_bus.h
index aef559a..6d3155f 100644
--- a/hw/pci/pci_bus.h
+++ b/hw/pci/pci_bus.h
@@ -10,6 +10,7 @@
 
 #define TYPE_PCI_BUS "PCI"
 #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
+#define TYPE_PCIE_BUS "PCIE"
 
 struct PCIBus {
     BusState qbus;