PCIER_DEVICE_CAP
#define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */
PCIER_DEVICE_CAP, 2);
sc->sc_expcap + PCIER_DEVICE_CAP, 4);
mmps = (pcie_read_config(dev, PCIER_DEVICE_CAP, 2) &
if (!(pci_read_config(dev, cap + PCIER_DEVICE_CAP, 4) & PCIEM_CAP_FLR))
cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP, 4);