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How to use _get_firmware_config method in lisa

Best Python code snippet using lisa_python

platform.py

Source:platform.py

...655            # In an ideal world, we would use libvirt's firmware auto-selection feature.656            # Unfortunatley, it isn't possible to specify the secure-boot state until657            # libvirt v7.2.0 and Ubuntu 20.04 only has libvirt v6.0.0. Therefore, we658            # have to select the firmware manually.659            firmware_config = self._get_firmware_config(660                lv_conn, node_context.machine_type, node_context.enable_secure_boot661            )662            print(firmware_config)663            loader = ET.SubElement(os_tag, "loader")664            loader.attrib["readonly"] = "yes"665            loader.attrib["type"] = "pflash"666            loader.attrib["secure"] = "yes" if node_context.enable_secure_boot else "no"667            loader.text = firmware_config["mapping"]["executable"]["filename"]668            nvram = ET.SubElement(os_tag, "nvram")669            nvram.attrib["template"] = firmware_config["mapping"]["nvram-template"][670                "filename"671            ]672        features = ET.SubElement(domain, "features")673        ET.SubElement(features, "acpi")674        ET.SubElement(features, "apic")675        cpu = ET.SubElement(domain, "cpu")676        cpu.attrib["mode"] = "host-passthrough"677        clock = ET.SubElement(domain, "clock")678        clock.attrib["offset"] = "utc"679        on_poweroff = ET.SubElement(domain, "on_poweroff")680        on_poweroff.text = "destroy"681        on_reboot = ET.SubElement(domain, "on_reboot")682        on_reboot.text = "restart"683        on_crash = ET.SubElement(domain, "on_crash")684        on_crash.text = "destroy"685        devices = ET.SubElement(domain, "devices")686        serial = ET.SubElement(devices, "serial")687        serial.attrib["type"] = "pty"688        serial_target = ET.SubElement(serial, "target")689        serial_target.attrib["type"] = "isa-serial"690        serial_target.attrib["port"] = "0"691        serial_target_model = ET.SubElement(serial_target, "model")692        serial_target_model.attrib["name"] = "isa-serial"693        console = ET.SubElement(devices, "console")694        console.attrib["type"] = "pty"695        console_target = ET.SubElement(console, "target")696        console_target.attrib["type"] = "serial"697        console_target.attrib["port"] = "0"698        video = ET.SubElement(devices, "video")699        video_model = ET.SubElement(video, "model")700        if isinstance(self.host_node.os, CBLMariner):701            video_model.attrib["type"] = "vga"702        else:703            video_model.attrib["type"] = "qxl"704            graphics = ET.SubElement(devices, "graphics")705            graphics.attrib["type"] = "spice"706        network_interface = ET.SubElement(devices, "interface")707        network_interface.attrib["type"] = "network"708        network_interface_source = ET.SubElement(network_interface, "source")709        network_interface_source.attrib["network"] = "default"710        network_interface_model = ET.SubElement(network_interface, "model")711        network_interface_model.attrib["type"] = "virtio"712        self._add_disk_xml(713            node_context,714            devices,715            node_context.cloud_init_file_path,716            "cdrom",717            "raw",718            "sata",719        )720        self._add_disk_xml(721            node_context,722            devices,723            node_context.os_disk_file_path,724            "disk",725            "qcow2",726            "virtio",727        )728        for data_disk in node_context.data_disks:729            self._add_disk_xml(730                node_context,731                devices,732                data_disk.file_path,733                "disk",734                "qcow2",735                "virtio",736            )737        xml = ET.tostring(domain, "unicode")738        return xml739    def _add_disk_xml(740        self,741        node_context: NodeContext,742        devices: ET.Element,743        file_path: str,744        device_type: str,745        image_type: str,746        bus_type: str,747    ) -> None:748        device_name = self._new_disk_device_name(node_context)749        disk = ET.SubElement(devices, "disk")750        disk.attrib["type"] = "file"751        disk.attrib["device"] = device_type752        disk_driver = ET.SubElement(disk, "driver")753        disk_driver.attrib["name"] = "qemu"754        disk_driver.attrib["type"] = image_type755        disk_target = ET.SubElement(disk, "target")756        disk_target.attrib["dev"] = device_name757        disk_target.attrib["bus"] = bus_type758        disk_source = ET.SubElement(disk, "source")759        disk_source.attrib["file"] = file_path760    def _add_virtio_disk_xml(761        self,762        node_context: NodeContext,763        devices: ET.Element,764        file_path: str,765        queues: int,766    ) -> None:767        device_name = self._new_disk_device_name(node_context, True)768        disk = ET.SubElement(devices, "disk")769        disk.attrib["type"] = "file"770        disk_driver = ET.SubElement(disk, "driver")771        disk_driver.attrib["if"] = "virtio"772        disk_driver.attrib["type"] = "raw"773        disk_driver.attrib["queues"] = str(queues)774        disk_target = ET.SubElement(disk, "target")775        disk_target.attrib["dev"] = device_name776        disk_source = ET.SubElement(disk, "source")777        disk_source.attrib["file"] = file_path778    def _new_disk_device_name(779        self,780        node_context: NodeContext,781        is_paravirtualized: bool = False,782    ) -> str:783        disk_index = node_context.next_disk_index784        node_context.next_disk_index += 1785        device_name = self._get_disk_device_name(disk_index, is_paravirtualized)786        return device_name787    def _get_disk_device_name(788        self, disk_index: int, is_paravirtualized: bool = False789    ) -> str:790        # The disk device name is required to follow the standard Linux device naming791        # scheme. That is: [ sda, sdb, ..., sdz, sdaa, sdab, ... ]. However, it is792        # unlikely that someone will ever need more than 26 disks. So, keep is simple793        # for now.794        if disk_index < 0 or disk_index > 25:795            raise LisaException(f"Unsupported disk index: {disk_index}.")796        prefix = "v" if is_paravirtualized else "s"797        suffix = chr(ord("a") + disk_index)798        return f"{prefix}d{suffix}"799    # Wait for the VM to boot and then get the IP address.800    def _get_node_ip_address(801        self,802        environment: Environment,803        log: Logger,804        lv_conn: libvirt.virConnect,805        node: Node,806        timeout: float,807    ) -> str:808        node_context = get_node_context(node)809        while True:810            addr = self._try_get_node_ip_address(environment, log, lv_conn, node)811            if addr:812                return addr813            if time.time() > timeout:814                raise LisaException(f"no IP addresses found for {node_context.vm_name}")815    # Try to get the IP address of the VM.816    def _try_get_node_ip_address(817        self,818        environment: Environment,819        log: Logger,820        lv_conn: libvirt.virConnect,821        node: Node,822    ) -> Optional[str]:823        node_context = get_node_context(node)824        domain = lv_conn.lookupByName(node_context.vm_name)825        # Acquire IP address from libvirt's DHCP server.826        interfaces = domain.interfaceAddresses(827            libvirt.VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE828        )829        if len(interfaces) < 1:830            return None831        interface_name = next(iter(interfaces))832        addrs = interfaces[interface_name]["addrs"]833        if len(addrs) < 1:834            return None835        addr = addrs[0]["addr"]836        assert isinstance(addr, str)837        return addr838    def _get_firmware_config(839        self,840        lv_conn: libvirt.virConnect,841        machine_type: Optional[str],842        enable_secure_boot: bool,843    ) -> Dict[str, Any]:844        # Resolve the machine type to its full name.845        domain_caps_str = lv_conn.getDomainCapabilities(846            machine=machine_type, virttype="kvm"847        )848        domain_caps = ET.fromstring(domain_caps_str)849        full_machine_type = domain_caps.findall("./machine")[0].text850        arch = domain_caps.findall("./arch")[0].text851        # Read the QEMU firmware config files.852        # Note: "/usr/share/qemu/firmware" is a well known location for these files....

zcu111_vna_sweep.py

Source:zcu111_vna_sweep.py

...33        print('Connecting to board: %s' % host)34        self.fpga = casperfpga.CasperFpga(host, transport=casperfpga.KatcpTransport)35        self._parse_fpg(fpgfile)36        try:37            self._get_firmware_config()38        except:39            pass # Probably not programmed40    def _get_firmware_config(self):41        devlist = self.fpga.listdev()42        if 'n_samples' in devlist:43            self.n_samples = self.fpga.read_uint('n_samples')44        else:45            self.n_samples = 046        if 'n_parallel' in devlist:47            self.n_parallel = self.fpga.read_uint('n_parallel')48        else:49            self.n_parallel = FPGA_DEMUX_FACTOR50        self.sample_hz = SAMPLE_HZ // 8 * self.n_parallel // 251        self.fpga_clk_mhz = self.sample_hz / self.n_parallel / 1e652        print('Firmware config detected: %d sample RAM buffer' % self.n_samples)53        print('Firmware config detected: %d ADC/DAC demux' % self.n_parallel)54        print('Firmware config detected: %.2f MHz FPGA clock' % self.fpga_clk_mhz)55        print('Firmware config detected: %.2f MHz ADC clock' % (self.sample_hz / 1e6))56    def _parse_fpg(self, fpgfile):57        self.fpgfile = fpgfile58        print('Parsing %s' % fpgfile)59        self.fpga.get_system_information(fpgfile)60        self.rfdc = self.fpga.adcs['rfdc']61    def program(self, fpgfile=None):62        fpgfile = fpgfile or self.fpgfile63        print('Programming with %s' % fpgfile)64        self.fpga.upload_to_ram_and_program(fpgfile)65        print('Initializing RFDC')66        self.fpga.adcs['rfdc'].init(lmk_file=LMK_FILE, lmx_file=LMX_FILE)67        self._parse_fpg(fpgfile)68        self._get_firmware_config()69        if self.n_parallel > 2:70            self.fpga.write_int('phase_inc_rst', 1)71    def enable_loopback(self):72        print('Enabling DAC->ADC internal loopback')73        self.fpga.write_int('adc_dac_loopback', 1)74    def disable_loopback(self):75        print('Disabling DAC->ADC internal loopback')76        self.fpga.write_int('adc_dac_loopback', 0)77    def get_fpga_clk(self):78        fpga_clk_mhz = self.fpga.estimate_fpga_clock()79        print('FPGA board clock: %.2f MHz' % fpga_clk_mhz)80        return fpga_clk_mhz81    def get_rfdc_status(self):82        self.rfdc.status()...

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