PCIM_MFDEV
if (hdrtype & PCIM_MFDEV)
cfg->mfdev = (cfg->hdrtype & PCIM_MFDEV) != 0;
cfg->hdrtype &= ~PCIM_MFDEV;
if ((hdrtype & PCIM_MFDEV) &&
if (value & PCIM_MFDEV)