[Bug 188061] On quad port QLE2564 can't add in target only 2 ports

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=188061

--- Comment #4 from Anthony <anthony.bloodoff@gmail.com> ---
>From rtslib (naa wwn must start with 1 or 2 or 5):

def normalize_wwn(wwn_types, wwn):
    '''
    Take a WWN as given by the user and convert it to a standard text
    representation.

    Returns (normalized_wwn, wwn_type), or exception if invalid wwn.
    '''
    wwn_test = {
    'free': lambda wwn: True,
    'iqn': lambda wwn: \
        re.match("iqn\.[0-9]{4}-[0-1][0-9]\..*\..*", wwn) \
        and not re.search(' ', wwn) \
        and not re.search('_', wwn),
    'naa': lambda wwn: re.match("naa\.[125][0-9a-fA-F]{15}$", wwn),
    'eui': lambda wwn: re.match("eui\.[0-9a-f]{16}$", wwn),
    'ib': lambda wwn: re.match("ib\.[0-9a-f]{32}$", wwn),
    'unit_serial': lambda wwn: \
        re.match("[0-9A-Fa-f]{8}(-[0-9A-Fa-f]{4}){3}-[0-9A-Fa-f]{12}$", wwn),
    }

    for wwn_type in wwn_types:
        clean_wwn = _cleanse_wwn(wwn_type, wwn)
        found_type = wwn_test[wwn_type](clean_wwn)
        if found_type:
            break
    else:
        raise RTSLibError("WWN not valid as: %s" % ", ".join(wwn_types))

    return (clean_wwn, wwn_type)

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