+ raise RuntimeError('Failed to bind PCI device {0} to {1} driver on '
+ 'host {2}'.format(pci_addr, driver,
+ node['host']))
+
+ @staticmethod
+ def get_pci_dev_driver(node, pci_addr):
+ """Get current PCI device driver on node.
+
+ :param node: DUT node.
+ :param pci_addr: PCI device address.
+ :type node: dict
+ :type pci_addr: str
+ :returns: Driver or None
+ :raises RuntimeError: If PCI rescan or lspci command execution failed.
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ for i in range(3):
+ logger.trace('Try {0}: Get interface driver'.format(i))
+ cmd = 'sh -c "echo 1 > /sys/bus/pci/rescan"'
+ ret_code, _, _ = ssh.exec_command_sudo(cmd)
+ if int(ret_code) != 0:
+ raise RuntimeError("'{0}' failed on '{1}'"
+ .format(cmd, node['host']))
+
+ cmd = 'lspci -vmmks {0}'.format(pci_addr)
+ ret_code, stdout, _ = ssh.exec_command(cmd)
+ if int(ret_code) != 0:
+ raise RuntimeError("'{0}' failed on '{1}'"
+ .format(cmd, node['host']))
+
+ for line in stdout.splitlines():
+ if len(line) == 0:
+ continue
+ name = None
+ value = None
+ try:
+ name, value = line.split("\t", 1)
+ except ValueError:
+ if name == "Driver:":
+ return None
+ if name == 'Driver:':
+ return value
+ else:
+ return None