/* Capability lists */
#define PCI_CAP_LIST_ID 0 /* Capability ID */
+#define PCI_CAP_ID_NULL 0x00 /* Null Capability */
#define PCI_CAP_ID_PM 0x01 /* Power Management */
#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
/* Capabilities residing in the PCI Express extended configuration space */
+#define PCI_EXT_CAP_ID_NULL 0x00 /* Null Capability */
#define PCI_EXT_CAP_ID_AER 0x01 /* Advanced Error Reporting */
#define PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel */
#define PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */