C++ (Cpp) pcib_route_interruptの例

コード例 #1

int
ofw_pcib_gen_route_interrupt(device_t bridge, device_t dev, int intpin)
{
	struct ofw_pcib_gen_softc *sc;
	struct ofw_bus_iinfo *ii;
	struct ofw_pci_register reg;
	ofw_pci_intr_t pintr, mintr;
	uint8_t maskbuf[sizeof(reg) + sizeof(pintr)];

	sc = device_get_softc(bridge);
	ii = &sc->ops_iinfo;
	if (ii->opi_imapsz > 0) {
		pintr = intpin;
		if (ofw_bus_lookup_imap(ofw_bus_get_node(dev), ii, &reg,
		    sizeof(reg), &pintr, sizeof(pintr), &mintr, sizeof(mintr),
		    NULL, maskbuf)) {
			/*
			 * If we've found a mapping, return it and don't map
			 * it again on higher levels - that causes problems
			 * in some cases, and never seems to be required.
			 */
			return (mintr);
		}
	} else if (intpin >= 1 && intpin <= 4) {
		/*
		 * When an interrupt map is missing, we need to do the
		 * standard PCI swizzle and continue mapping at the parent.
		 */
		return (pcib_route_interrupt(bridge, dev, intpin));
	}
	/* Try at the parent. */
	return (PCIB_ROUTE_INTERRUPT(device_get_parent(device_get_parent(
	    bridge)), bridge, intpin));
}

コード例 #2

ファイル: acpi_pcib_pci.c プロジェクト: AhmadTux/DragonFlyBSD

static int
acpi_pcib_pci_route_interrupt(device_t pcib, device_t dev, int pin)
{
    struct acpi_pcib_softc *sc = device_get_softc(pcib);

    /*
     * If we don't have a _PRT, fall back to the swizzle method
     * for routing interrupts.
     */
    if (sc->ap_prt.Pointer == NULL) {
	device_printf(pcib, "No _PRT found, routing with pci\n");
	return (pcib_route_interrupt(pcib, dev, pin));
    } else {
	return (acpi_pcib_route_interrupt(pcib, dev, pin, &sc->ap_prt));
    }
}

コード例 #3

ファイル: acpi_pcib_pci.c プロジェクト: ChaosJohn/freebsd

static int
acpi_pcib_pci_route_interrupt(device_t pcib, device_t dev, int pin)
{
    struct acpi_pcib_softc *sc;

    sc = device_get_softc(pcib);

    /*
     * If we don't have a _PRT, fall back to the swizzle method
     * for routing interrupts.
     */
    if (sc->ap_prt.Pointer == NULL)
	return (pcib_route_interrupt(pcib, dev, pin));
    else
	return (acpi_pcib_route_interrupt(pcib, dev, pin, &sc->ap_prt));
}

コード例 #4

ファイル: ofw_pcib_pci.c プロジェクト: genba/freebsd

static int
ofw_pcib_pci_route_interrupt(device_t bridge, device_t dev, int intpin)
{
	struct ofw_pcib_softc *sc;
	struct ofw_bus_iinfo *ii;
	struct ofw_pci_register reg;
	cell_t pintr, mintr;
	phandle_t iparent;
	uint8_t maskbuf[sizeof(reg) + sizeof(pintr)];

	sc = device_get_softc(bridge);
	ii = &sc->ops_iinfo;
	if (ii->opi_imapsz > 0) {
		pintr = intpin;

		/* Fabricate imap information if this isn't an OFW device */
		bzero(&reg, sizeof(reg));
		reg.phys_hi = (pci_get_bus(dev) << OFW_PCI_PHYS_HI_BUSSHIFT) |
		    (pci_get_slot(dev) << OFW_PCI_PHYS_HI_DEVICESHIFT) |
		    (pci_get_function(dev) << OFW_PCI_PHYS_HI_FUNCTIONSHIFT);

		if (ofw_bus_lookup_imap(ofw_bus_get_node(dev), ii, &reg,
		    sizeof(reg), &pintr, sizeof(pintr), &mintr, sizeof(mintr),
		    &iparent, maskbuf)) {
			/*
			 * If we've found a mapping, return it and don't map
			 * it again on higher levels - that causes problems
			 * in some cases, and never seems to be required.
			 */
			return (ofw_bus_map_intr(dev, iparent, mintr));
		}
	} else if (intpin >= 1 && intpin <= 4) {
		/*
		 * When an interrupt map is missing, we need to do the
		 * standard PCI swizzle and continue mapping at the parent.
		 */
		return (pcib_route_interrupt(bridge, dev, intpin));
	}
	return (PCIB_ROUTE_INTERRUPT(device_get_parent(device_get_parent(
	    bridge)), bridge, intpin));
}