docs: def get_secure_boot_mode(irmc_info):
      """Get the status if secure boot is enabled or not.
  
      :param irmc_info: node info.
      :raises: SecureBootConfigNotFound, if there is no configuration for secure
               boot mode in the bios.
      :return: True if secure boot mode is enabled on the node, False otherwise.
      """
  
      result = backup_bios_config(irmc_info=irmc_info)
  
      try:
          bioscfg = result['bios_config']['Server']['SystemConfig']['BiosConfig']
          return bioscfg['SecurityConfig']['SecureBootControlEnabled']
  
      except KeyError:
          msg = ("Failed to get secure boot mode from server %s. Upgrading iRMC "
                 "firmware may resolve this issue." % irmc_info['irmc_address'])
          raise SecureBootConfigNotFound(msg)