+#define PCI_CAP_ID_PM_OFFSET 0x50
+#define PCI_CAP_ID_EXP_OFFSET 0x60
+#define PCI_CAP_ID_MSIX_OFFSET 0x70
+
+#define PCI_EXT_CAP_ID_ERR_OFFSET 0x100
+#define PCI_EXT_CAP_ID_VC_OFFSET 0x200
+#define PCI_EXT_CAP_ID_DSN_OFFSET 0x300
+
+/* Useful for PCI_VDEVICE() macro */
+#define PCI_VENDOR_ID_SANDBOX SANDBOX_PCI_VENDOR_ID
+#define SWAP_CASE_DRV_DATA 0x55aa
+