PCI_PPBMEMLIMIT
sc->memlimit = PCI_PPBMEMLIMIT(0, pci_read_config(dev, PCIR_MEMLIMIT_1, 2));
sc->pmemlimit = PCI_PPBMEMLIMIT(
sc->pmemlimit = PCI_PPBMEMLIMIT(0,
limit = PCI_PPBMEMLIMIT(0,
limit = PCI_PPBMEMLIMIT(
limit = PCI_PPBMEMLIMIT(0,