示例#1
0
static int
ipmi2_pci_attach(device_t dev)
{
	struct ipmi_softc *sc;
	int error, iface, type;

	sc = device_get_softc(dev);
	sc->ipmi_dev = dev;

	/* Interface is determined by progif. */
	switch (pci_get_progif(dev)) {
	case PCIP_SERIALBUS_IPMI_SMIC:
		iface = SMIC_MODE;
		break;
	case PCIP_SERIALBUS_IPMI_KCS:
		iface = KCS_MODE;
		break;
	case PCIP_SERIALBUS_IPMI_BT:
		iface = BT_MODE;
		device_printf(dev, "BT interface unsupported\n");
		return (ENXIO);
	default:
		device_printf(dev, "Unsupported interface: %d\n",
		    pci_get_progif(dev));
		return (ENXIO);
	}

	/* Check the BAR to determine our resource type. */
	sc->ipmi_io_rid = PCIR_BAR(0);
	if (PCI_BAR_IO(pci_read_config(dev, PCIR_BAR(0), 4)))
		type = SYS_RES_IOPORT;
	else
		type = SYS_RES_MEMORY;
	sc->ipmi_io_type = type;
	sc->ipmi_io_spacing = 1;
	sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
	    &sc->ipmi_io_rid, RF_ACTIVE);
	if (sc->ipmi_io_res[0] == NULL) {
		device_printf(dev, "couldn't map ports/memory\n");
		return (ENXIO);
	}

	sc->ipmi_irq_rid = 0;
	sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
	    &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);

	switch (iface) {
	case KCS_MODE:
		device_printf(dev, "using KSC interface\n");

		/*
		 * We have to examine the resource directly to determine the
		 * alignment.
		 */
		if (!ipmi_kcs_probe_align(sc)) {
			device_printf(dev, "Unable to determine alignment\n");
			error = ENXIO;
			goto bad;
		}

		error = ipmi_kcs_attach(sc);
		if (error)
			goto bad;
		break;
	case SMIC_MODE:
		device_printf(dev, "using SMIC interface\n");

		error = ipmi_smic_attach(sc);
		if (error)
			goto bad;
		break;
	}
	error = ipmi_attach(dev);
	if (error)
		goto bad;

	return (0);
bad:
	ipmi_release_resources(dev);
	return (error);
}
示例#2
0
static int
ipmi_pci_attach(device_t dev)
{
	struct ipmi_softc *sc = device_get_softc(dev);
	struct ipmi_get_info info;
	const char *mode;
	int error, type;

	/* Look for an IPMI entry in the SMBIOS table. */
	if (!ipmi_smbios_identify(&info))
		return (ENXIO);

	sc->ipmi_dev = dev;

	switch (info.iface_type) {
	case KCS_MODE:
		mode = "KCS";
		break;
	case SMIC_MODE:
		mode = "SMIC";
		break;
	case BT_MODE:
		device_printf(dev, "BT mode is unsupported\n");
		return (ENXIO);
	default:
		device_printf(dev, "No IPMI interface found\n");
		return (ENXIO);
	}

	device_printf(dev, "%s mode found at %s 0x%jx alignment 0x%x on %s\n",
	    mode, info.io_mode ? "io" : "mem",
	    (uintmax_t)info.address, info.offset,
	    device_get_name(device_get_parent(dev)));
	if (info.io_mode)
		type = SYS_RES_IOPORT;
	else
		type = SYS_RES_MEMORY;

	sc->ipmi_io_rid = PCIR_BAR(0);
	sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
	    &sc->ipmi_io_rid, RF_ACTIVE);
	sc->ipmi_io_type = type;
	sc->ipmi_io_spacing = info.offset;

	if (sc->ipmi_io_res[0] == NULL) {
		device_printf(dev, "couldn't configure pci io res\n");
		return (ENXIO);
	}

	sc->ipmi_irq_rid = 0;
	sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
	    &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);

	switch (info.iface_type) {
	case KCS_MODE:
		error = ipmi_kcs_attach(sc);
		if (error)
			goto bad;
		break;
	case SMIC_MODE:
		error = ipmi_smic_attach(sc);
		if (error)
			goto bad;
		break;
	}
	error = ipmi_attach(dev);
	if (error)
		goto bad;

	return (0);
bad:
	ipmi_release_resources(dev);
	return (error);
}
示例#3
0
static int
ipmi_acpi_attach(device_t dev)
{
	ACPI_HANDLE devh;
	const char *mode;
	struct ipmi_get_info info;
	struct ipmi_softc *sc = device_get_softc(dev);
	int count, error, flags, i, type;
	int interface_type = 0, interface_version = 0;

	error = 0;
	devh = acpi_get_handle(dev);
	if (ACPI_FAILURE(acpi_GetInteger(devh, "_IFT", &interface_type)))
		return (ENXIO);

	if (ACPI_FAILURE(acpi_GetInteger(devh, "_SRV", &interface_version)))
		return (ENXIO);

	switch (interface_type) {
	case KCS_MODE:
		count = 2;
		mode = "KCS";
		break;
	case SMIC_MODE:
		count = 3;
		mode = "SMIC";
		break;
	case BT_MODE:
		device_printf(dev, "BT interface not supported\n");
		return (ENXIO);
	case SSIF_MODE:
		if (ACPI_FAILURE(acpi_GetInteger(devh, "_ADR", &flags)))
			return (ENXIO);
		info.address = flags;
		device_printf(dev, "SSIF interface not supported on ACPI\n");
		return (0);
	default:
		return (ENXIO);
	}

	if (bus_get_resource(dev, SYS_RES_IOPORT, 0, NULL, NULL) == 0)
		type = SYS_RES_IOPORT;
	else if (bus_get_resource(dev, SYS_RES_MEMORY, 0, NULL, NULL) == 0)
		type = SYS_RES_MEMORY;
	else {
		device_printf(dev, "unknown resource type\n");
		return (ENXIO);
	}

	sc->ipmi_io_rid = 0;
	sc->ipmi_io_res[0] = bus_alloc_resource_any(dev, type,
	    &sc->ipmi_io_rid, RF_ACTIVE);
	sc->ipmi_io_type = type;
	sc->ipmi_io_spacing = 1;
	if (sc->ipmi_io_res[0] == NULL) {
		device_printf(dev, "couldn't configure I/O resource\n");
		return (ENXIO);
	}

	/* If we have multiple resources, allocate up to MAX_RES. */
	for (i = 1; i < MAX_RES; i++) {
		sc->ipmi_io_rid = i;
		sc->ipmi_io_res[i] = bus_alloc_resource_any(dev, type,
		    &sc->ipmi_io_rid, RF_ACTIVE);
		if (sc->ipmi_io_res[i] == NULL)
			break;
	}
	sc->ipmi_io_rid = 0;

	/* If we have multiple resources, make sure we have enough of them. */
	if (sc->ipmi_io_res[1] != NULL && sc->ipmi_io_res[count - 1] == NULL) {
		device_printf(dev, "too few I/O resources\n");
		error = ENXIO;
		goto bad;
	}

	device_printf(dev, "%s mode found at %s 0x%jx on %s\n",
	    mode, type == SYS_RES_IOPORT ? "io" : "mem",
	    (uintmax_t)rman_get_start(sc->ipmi_io_res[0]),
	    device_get_name(device_get_parent(dev)));

	sc->ipmi_dev = dev;

	/*
	 * Setup an interrupt if we have an interrupt resource.  We
	 * don't support GPE interrupts via _GPE yet.
	 */
	sc->ipmi_irq_rid = 0;
	sc->ipmi_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
	    &sc->ipmi_irq_rid, RF_SHAREABLE | RF_ACTIVE);

	/* Warn if _GPE exists. */
	if (ACPI_SUCCESS(AcpiEvaluateObject(devh, "_GPE", NULL, NULL)))
		device_printf(dev, "_GPE support not implemented\n");

	/*
	 * We assume an alignment of 1 byte as currently the IPMI spec
	 * doesn't provide any way to determine the alignment via ACPI.
	 */
	switch (interface_type) {
	case KCS_MODE:
		error = ipmi_kcs_attach(sc);
		if (error)
			goto bad;
		break;
	case SMIC_MODE:
		error = ipmi_smic_attach(sc);
		if (error)
			goto bad;
		break;
	}
	error = ipmi_attach(dev);
	if (error)
		goto bad;

	return (0);
bad:
	ipmi_release_resources(dev);
	return (error);
}