Changeset View

Standalone View

	Show First 20 Lines • Show All 2,539 Lines • ▼ Show 20 Lines
	}			}

	/*			/*
	* PCIB interface.			* PCIB interface.
	*/			*/
	int			int
	pcib_maxslots(device_t dev)			pcib_maxslots(device_t dev)
	{			{
				uint32_t pcie_pos;
				uint16_t val;

				/*
				* If this is a PCIe rootport or downstream switch port, there's only
				* one slot permitted.
				*/
				if (pci_find_cap(dev, PCIY_EXPRESS, &pcie_pos) == 0) {
				val = pci_read_config(dev, pcie_pos + PCIER_FLAGS, 2);
				val &= PCIEM_FLAGS_TYPE;
				if (val == PCIEM_TYPE_ROOT_PORT \|\|
				val == PCIEM_TYPE_DOWNSTREAM_PORT)
				return (0);
				}
	return (PCI_SLOTMAX);			return (PCI_SLOTMAX);
	}			}

	static int			static int
	pcib_ari_maxslots(device_t dev)			pcib_ari_maxslots(device_t dev)
	{			{
	struct pcib_softc *sc;			struct pcib_softc *sc;

	sc = device_get_softc(dev);			sc = device_get_softc(dev);

	if (sc->flags & PCIB_ENABLE_ARI)			if (sc->flags & PCIB_ENABLE_ARI)
	return (PCIE_ARI_SLOTMAX);			return (PCIE_ARI_SLOTMAX);
	else			else
	return (PCI_SLOTMAX);			return (pcib_maxslots(dev));
	}			}

	static int			static int
	pcib_ari_maxfuncs(device_t dev)			pcib_ari_maxfuncs(device_t dev)
	{			{
	struct pcib_softc *sc;			struct pcib_softc *sc;

	sc = device_get_softc(dev);			sc = device_get_softc(dev);
	▲ Show 20 Lines • Show All 325 Lines • Show Last 20 Lines