diff options
Diffstat (limited to 'resources/libraries/python/DUTSetup.py')
| -rw-r--r-- | resources/libraries/python/DUTSetup.py | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/resources/libraries/python/DUTSetup.py b/resources/libraries/python/DUTSetup.py index d08704bba1..5e07ee0e7a 100644 --- a/resources/libraries/python/DUTSetup.py +++ b/resources/libraries/python/DUTSetup.py @@ -385,24 +385,31 @@ class DUTSetup(object): def get_pci_dev_driver(node, pci_addr): """Get current PCI device driver on node. + .. note:: + # lspci -vmmks 0000:00:05.0 + Slot: 00:05.0 + Class: Ethernet controller + Vendor: Red Hat, Inc + Device: Virtio network device + SVendor: Red Hat, Inc + SDevice: Device 0001 + PhySlot: 5 + Driver: virtio-pci + :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. + :raises RuntimeError: If it is not possible to get the interface driver + information from the node. """ 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'])) - + logger.trace('Try number {0}: Get PCI device driver'.format(i)) cmd = 'lspci -vmmks {0}'.format(pci_addr) ret_code, stdout, _ = ssh.exec_command(cmd) if int(ret_code) != 0: @@ -421,6 +428,16 @@ class DUTSetup(object): return None if name == 'Driver:': return value + + if i < 2: + logger.trace('Driver for PCI device {} not found, executing ' + 'pci rescan and retrying'.format(pci_addr)) + 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'])) + return None @staticmethod |