PCIXR_COMMAND
sc->bge_pcixcap + PCIXR_COMMAND, 2);
pci_write_config(dev, sc->bge_pcixcap + PCIXR_COMMAND,
sc->msk_pcixcap + PCIXR_COMMAND, 2);
sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);