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sriov.cpython-310.pyc
o edF @ s d dl Z d dlZd dlZd dlZd dlmZ d dlm mZ d dl m Z d dl m Z d dl Z G dd deZdeje fddZdeje d eje fd d Zd d Zdd Zdd Zdd Zdd ZdddZdddZdS ) N) defaultdict)ConfigurationErrorc @ s e Zd ZdZdefddZedefddZedefdd Zd edefd d Z edefd dZ ede fddZ ede fddZ ede fddZedefddZedefddZdededefd d Zdefd d Zd S )! PCIDevicez.Helper class for interaction with a PCI devicepci_addrc C s || _ dS )znInitialise a new PCI device handler :param pci_addr: PCI address of device :type: str Nr )selfr r '/usr/share/netplan/netplan/cli/sriov.py__init__' s zPCIDevice.__init__returnc C s dS )zusysfs path (can be overridden for testing) :return: full path to /sys filesystem :rtype: str z/sysr r r r r sys. s z PCIDevice.sysc C s t j| jd| jS )zq/sys path for PCI device :return: full path to PCI device in /sys filesystem :rtype: str zbus/pci/devices)ospathjoinr r r r r r r 6 s zPCIDevice.pathsubpathc C s t j| j|S )z/sys subpath helper for PCI device :param subpath: subpath to construct path for :type: str :return: self.path + subpath :rtype: str )r r r )r r r r r r > s zPCIDevice.subpathc C s2 d}t j| drt jt | d}|S )zjKernel driver for PCI device :return: kernel driver in use for device :rtype: str driver)r r existsr basenamereadlink)r r r r r r G s zPCIDevice.driverc C t j| dS )zDetermine if device is bound to a kernel driver :return: whether device is bound to a kernel driver :rtype: bool r r r r r r r r r boundR zPCIDevice.boundc C r )zwDetermine if device is a SR-IOV Physical Function :return: whether device is a PF :rtype: bool sriov_numvfsr r r r r is_pfZ r zPCIDevice.is_pfc C r )zvDetermine if device is a SR-IOV Virtual Function :return: whether device is a VF :rtype: bool physfnr r r r r is_vfb r zPCIDevice.is_vfc C sR g }d} z| tjt| d| W n ty# Y |S w |d7 }q)zList Virtual Function addresses associated with a Physical Function :return: List of PCI addresses of Virtual Functions :rtype: list[str] r Tzvirtfn{} )appendr r r r r formatFileNotFoundError)r vf_addrsir r r r# j s zPCIDevice.vf_addrsc C s dd | j D S )zList Virtual Function associated with a Physical Function :return: List of PCI devices of Virtual Functions :rtype: list[PCIDevice] c S s g | ]}t |qS r )r ).0addrr r r <listcomp> s z!PCIDevice.vfs.<locals>.<listcomp>)r# r r r r vfs~ s z PCIDevice.vfsobj_namepropvaluec C s$ t dd|dd| j||g dS )zSet devlink options for the PCI device :param obj_name: devlink object to set options on :type: str :param prop: property to set :type: str :param value: value to set for property :type: str z /sbin/devlinkdevsetzpci/{}N) subprocess check_callr! r )r r) r* r+ r r r devlink_set s zPCIDevice.devlink_setc C s | j S )zbString represenation of object :return: PCI address of string :rtype: str r r r r r __str__ s zPCIDevice.__str__N)__name__ __module__ __qualname____doc__strr propertyr r r r boolr r r listr# r( r0 r1 r r r r r $ s, r r( c C s^ g }| D ](}|j s,td|d}||j || W d n1 s'w Y q|S )zBind unbound VFs to driver.z /sys/bus/pci/drivers/{}/bindwtNr openr! writer r )r( r bound_vfsvffr r r bind_vfs rA r c C s^ g }| D ](}|j r,td|d}||j || W d n1 s'w Y q|S )z Unbind bound VFs from driver.z /sys/bus/pci/drivers/{}/unbindr: Nr; )r( r unbound_vfsr? r@ r r r unbind_vfs rB rD c C s ||vrD|| }|j r<|j}|r|| v r|||< n+| D ] }|j|t|t|ds,q||v r6td| |||< qn|| v rD|||< ||d S )N)itf_name itf_driveritf_macz3matched more than one interface for a PF device: %s) has_matchset_namematch_interfaceutilsget_interface_driver_nameget_interface_macaddressr get) interfacesnp_statepf_linkpfspf_devrI interfacer r r _get_target_interface s( rU c C s t jd| d}z?t|0}d}| D ] }| }|dr3|ddd }| W d W S qW d W dS 1 s@w Y W dS ty] } z t d| t |f d}~ww ) z5 Read PCI slot name for given interface name /sys/class/netz device/ueventNzPCI_SLOT_NAME== r z'failed parsing PCI slot name for %s: %s) r r r r< readlinesstrip startswithsplitIOError RuntimeErrorr6 )netdev uevent_pathr@ pci_slot_namelineer r r _get_pci_slot_name s" &rd c C s |j D ]>\}}|jrt| ||jj|rd||< z|j}W n tjy0 } zt|j d}~ww |dkr6qt| |||} | rC||| < qdS )z Go through the list of netplan ethernet devices and identify which are PFs and VFs, matching the former with actual networking interfaces. Count how many VFs each PF will need. Nr ) ethernetsitems sriov_linkrU idvf_count libnetplanLibNetplanExceptionr args) rO rP vf_countsr( rR nidnetdefcountrc pfr r r get_vf_count_and_functions s rr c C s" |dkr t d| |f tjd| d}tj|d}tj|d}z t|}t| }W d n1 s:w Y W n" tyV } z t d| t |f d}~w t yb t d | w ||krpt d | ||f z!t|d }| t | W d W d S 1 sw Y W d S ty } zrd }|j d krtd| z8t|d }| d W d n1 sw Y t|d }| t | W d n1 sw Y W n ty } z| }W Y d} ~ nd} ~ ww d}|rt d|| t |f W Y d}~d S d}~ww )zB Allocate the required number of VFs for the selected PF. zDcannot allocate more VFs for PF %s than the SR-IOV maximum: %s > 256rV devicer sriov_totalvfsNz(failed parsing sriov_totalvfs for %s: %sz#invalid sriov_totalvfs value for %szKcannot allocate more VFs for PF %s than supported: %s > %s (sriov_totalvfs)wT zLdevice or resource busy while setting sriov_numvfs for %s, trying workaround0Fz,failed setting sriov_numvfs to %s for %s: %s)r r r r r< intreadrZ r] r^ r6 ValueErrorr= errnologgingwarning) rq ri devdir numvfs_path totalvfs_pathr@ vf_maxrc baile_innerr r r set_numvfs_for_pf sh r c C s t jd| d}zHtt j|d}| dd }W d n1 s'w Y tt j|d}| dd }W d n1 sJw Y W n tyf } z td| t|f d}~ww d||g}d}||v rw dS dS ) z Perform any hardware-specific quirks for the given SR-IOV device to make sure all the VF-count changes are applied. rV rt vendorrX Nz2could not determine vendor and device ID of %s: %s:r ) r r r r< rz rZ r] r^ r6 )rq r r@ device_id vendor_idrc combined_id quirk_devicesr r r perform_hardware_specific_quirks1 s$ r /c C s d}t j|d|d}t jt |}t j|d| d}t |D ]"} d| v rDt j|| } t jt | } | |krD| dd } nq"|sOtd||f ztjddd d | d |d t |g tj tj d W dS tj yu td| w )z@ Apply the hardware VLAN filtering for the selected VF. Nz sys/class/netrt virtfn zAcould not determine the VF index for %s while configuring vlan %siplinkr- r, r? vlan)stdoutstderrzJfailed setting SR-IOV VLAN filter for vlan %s (ip link set command failed)) r r r r r listdirr^ r. r/ r6 DEVNULLCalledProcessError) rq r? vlan_namevlan_idprefixvf_index vf_devdir vf_dev_id pf_devdirr@ dev_pathdev_idr r r apply_vlan_filter_for_vfN s< r c C sR t }|| t }|| | t }| j}t t }i }i }t ||||| g }|rE| D ]\} } t | | s?q5|| q5|rT|D ]} t| qIt }|D ]/} || } | jr}|D ]} | j| dr{| |v rw|| rwtd| | || < qaqV| |v r| || < qV| D ]O\}}|| } | j}|dv rt|}t|}|jrtd||j |jr| j }zt |j|j | dd| W |st |j|j q|st |j|j w w qt! }|j" D ]D\}} | j#r&| j$}| j%}|&|j'} | st(d||j'f q|&|j)j'} | |v rtd| |j'|f t*| | || |+| qd S ) z Go through all interfaces, identify which ones are SR-IOV VFs, create them and perform all other necessary setup. )rE z3matched more than one interface for a VF device: %s) switchdevlegacyzFound VFs of {}: {}eswitchmodezKSR-IOV vlan defined for %s but link %s is either not a VF or has no matcheszJinterface %s for netplan device %s (%s) already has an SR-IOV vlan definedN),rj Parserload_yaml_hierarchyStateimport_parser_resultsparse netifacesrO rP r ry rr rf r r r rH rJ r embedded_switch_moderd r r r} debugr! r# r( delay_virtual_functions_rebindrD r r0 rA r- vlanshas_sriov_vlan_filter vlan_linkr rN rh r~ rg r add)config_managerrootdirparserrP rO rm r( rR vf_count_changedrq ri r? ro rT netdef_idiface eswitch_moder pcidevrebind_delayedfiltered_vlans_setr r r r r r apply_sriov_configu s r )r )r} r r. typing collectionsr netplan.cli.utilsclirK netplan.libnetplanrj netplan.configmanagerr r objectr IterablerA rD rU rd rr r r r r r r r r <module> s& !/ '