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How to use get_pci_prop method in avocado

Best Python code snippet using avocado_python

pci.py

Source:pci.py

...42    """43    addresses = []44    cmd = "lspci -D"45    for line in process.system_output(cmd).splitlines():46        if not get_pci_prop(line.split()[0], 'Class').startswith('06'):47            addresses.append(line.split()[0])48    if addresses:49        return addresses50def get_num_interfaces_in_pci(dom_pci_address):51    """52    Gets number of interfaces of a given partial PCI address starting with53    full domain address.54    :param dom_pci_address: Partial PCI address including domain55                            address (0000, 0000:00:1f, 0000:00:1f.2, etc)56    :return: number of devices in a PCI domain.57    """58    cmd = "ls -l /sys/class/*/ -1"59    output = process.system_output(cmd, ignore_status=True, shell=True)60    if output:61        filt = '/%s' % dom_pci_address62        count = 063        for line in output.splitlines():64            if filt in line:65                count += 166        return count67def get_disks_in_pci_address(pci_address):68    """69    Gets disks in a PCI address.70    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)71    :return: list of disks in a PCI address.72    """73    disks_path = "/dev/disk/by-path/"74    disk_list = []75    for dev in os.listdir(disks_path):76        if pci_address in dev:77            link = os.readlink(os.path.join(disks_path, dev))78            disk_list.append(os.path.abspath(os.path.join(disks_path, link)))79    return disk_list80def get_nics_in_pci_address(pci_address):81    """82    Gets network interface(nic) in a PCI address.83    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)84    :return: list of network interfaces in a PCI address.85    """86    return get_interfaces_in_pci_address(pci_address, "net")87def get_interfaces_in_pci_address(pci_address, pci_class):88    """89    Gets interface in a PCI address.90    e.g: host = pci.get_interfaces_in_pci_address("0001:01:00.0", "net")91         ['enP1p1s0f0']92         host = pci.get_interfaces_in_pci_address("0004:01:00.0", "fc_host")93         ['host6']94    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)95    :param class: Adapter type (FC(fc_host), FCoE(net), NIC(net), SCSI(scsi)..)96    :return: list of generic interfaces in a PCI address.97    """98    pci_class_path = "/sys/class/%s/" % pci_class99    if not os.path.isdir(pci_class_path):100        raise ValueError("Please provide valid class name")101    return [interface for interface in os.listdir(pci_class_path)102            if pci_address in os.readlink(os.path.join(pci_class_path,103                                                       interface))]104def get_pci_class_name(pci_address):105    """106    Gets pci class name for given pci bus address107    e.g: >>> pci.get_pci_class_name("0000:01:00.0")108             'scsi_host'109    :param pci_address: Any segment of a PCI address(1f, 0000:00:if, ...)110    :return: class name for corresponding pci bus address111    """112    pci_class_dic = {'0104': 'scsi_host', '0c04': 'fc_host',113                     '0200': 'net', '0108': 'nvme', '0280': 'net'}114    pci_class_id = get_pci_prop(pci_address, "Class")115    if pci_class_id not in pci_class_dic:116        if pci_class_id is None:117            raise ValueError("Unable to get 'Class' property of given pci "118                             "address %s" % pci_address)119        else:120            raise ValueError("Class ID %s is not defined in this library"121                             "please send an update" % pci_class_id)122    return pci_class_dic.get(pci_class_id)123def get_pci_fun_list(pci_address):124    """125    Gets list of functions in the given PCI address.126    Example: in address 0000:03:00, functions are 0000:03:00.0 and 0000:03:00.1127    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)128    :return: list of functions in a PCI address.129    """130    return list(dev for dev in get_pci_addresses() if pci_address in dev)131def get_slot_from_sysfs(full_pci_address):132    """133    Gets the PCI slot of given address.134    :note: Specific for ppc64 processor.135    :param full_pci_address: Full PCI address including domain (0000:03:00.0)136    :return: Removed port related details using re, only returns till137             physical slot of the adapter.138    """139    if not os.path.isfile('/sys/bus/pci/devices/%s/devspec' % full_pci_address):140        return141    devspec = genio.read_file("/sys/bus/pci/devices/%s/devspec"142                              % full_pci_address)143    if not os.path.isfile("/proc/device-tree/%s/ibm,loc-code" % devspec):144        return145    slot = genio.read_file("/proc/device-tree/%s/ibm,loc-code" % devspec)146    slot_ibm = re.match(r'((\w+)[.])+(\w+)-[P(\d+)-]*C(\d+)', slot)147    if slot_ibm:148        return slot_ibm.group()149    slot_openpower = re.match(r'(\w+)[\s]*(\w+)(\d*)', slot)150    if slot_openpower:151        return slot_openpower.group()152    raise ValueError("Failed to get slot from: '%s'" % slot)153def get_slot_list():154    """155    Gets list of PCI slots in the system.156    :note: Specific for ppc64 processor.157    :return: list of slots in the system.158    """159    return list(set(get_slot_from_sysfs(dev) for dev in get_pci_addresses()))160def get_pci_id_from_sysfs(full_pci_address):161    """162    Gets the PCI ID from sysfs of given PCI address.163    :param full_pci_address: Full PCI address including domain (0000:03:00.0)164    :return: PCI ID of a PCI address from sysfs.165    """166    path = "/sys/bus/pci/devices/%s" % full_pci_address167    if os.path.isdir(path):168        path = "%s/%%s" % path169        return ":".join(["%04x" % int(open(path % param).read(), 16)170                         for param in ['vendor', 'device', 'subsystem_vendor',171                                       'subsystem_device']])172def get_pci_prop(pci_address, prop):173    """174    Gets specific PCI ID of given PCI address. (first match only)175    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)176    :param part: prop of PCI ID.177    :return: specific PCI ID of a PCI address.178    """179    cmd = "lspci -Dnvmm -s %s" % pci_address180    output = process.system_output(cmd, ignore_status=True)181    if output:182        for line in output.splitlines():183            if prop == line.split(':')[0]:184                return line.split()[-1]185def get_pci_id(pci_address):186    """187    Gets PCI id of given address. (first match only)188    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)189    :return: PCI ID of a PCI address.190    """191    pci_id = []192    for params in ['Vendor', 'Device', 'SVendor', 'SDevice']:193        output = get_pci_prop(pci_address, params)194        if not output:195            return196        pci_id.append(output)197    if pci_id:198        return ":".join(pci_id)199def get_driver(pci_address):200    """201    Gets the kernel driver in use of given PCI address. (first match only)202    :param pci_address: Any segment of a PCI address (1f, 0000:00:1f, ...)203    :return: driver of a PCI address.204    """205    cmd = "lspci -ks %s" % pci_address206    output = process.system_output(cmd, ignore_status=True)207    if output:...

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