PCIER_DEVICE_CAP2
#define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */
(pci_read_config(dev, cap + PCIER_DEVICE_CAP2, 4) &
cap2 = pci_read_config(pcib, pcie_pos + PCIER_DEVICE_CAP2, 4);
cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4);