#include "hw/boards.h"
#include "qom/object.h"
-enum BusType { PCI, PCIE };
+enum BusType { PCI, PCIE, CXL };
#define TYPE_PXB_BUS "pxb-bus"
typedef struct PXBBus PXBBus;
DECLARE_INSTANCE_CHECKER(PXBBus, PXB_PCIE_BUS,
TYPE_PXB_PCIE_BUS)
+#define TYPE_PXB_CXL_BUS "pxb-cxl-bus"
+DECLARE_INSTANCE_CHECKER(PXBBus, PXB_CXL_BUS,
+ TYPE_PXB_CXL_BUS)
+
struct PXBBus {
/*< private >*/
PCIBus parent_obj;
ds = qdev_new(TYPE_PXB_HOST);
if (type == PCIE) {
bus = pci_root_bus_new(ds, dev_name, NULL, NULL, 0, TYPE_PXB_PCIE_BUS);
+ } else if (type == CXL) {
+ bus = pci_root_bus_new(ds, dev_name, NULL, NULL, 0, TYPE_PXB_CXL_BUS);
+ bus->flags |= PCI_BUS_CXL;
} else {
bus = pci_root_bus_new(ds, "pxb-internal", NULL, NULL, 0, TYPE_PXB_BUS);
bds = qdev_new("pci-bridge");
PCI_BUS_IS_ROOT = 0x0001,
/* PCIe extended configuration space is accessible on this bus */
PCI_BUS_EXTENDED_CONFIG_SPACE = 0x0002,
+ /* This is a CXL Type BUS */
+ PCI_BUS_CXL = 0x0004,
};
struct PCIBus {
Notifier machine_done;
};
+static inline bool pci_bus_is_cxl(PCIBus *bus)
+{
+ return !!(bus->flags & PCI_BUS_CXL);
+}
+
static inline bool pci_bus_is_root(PCIBus *bus)
{
return !!(bus->flags & PCI_BUS_IS_ROOT);