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sriov.cpython-312.pyc
fR d dl Z d dlZd dlZd dlZd dlZd dlmZmZmZmZ ddl m Z ddl m Z d dl Z d dlZ G d de Zd ej" e fd Zd ej" e d ej" e fd Zd e j( ded efdZd e j( d ee fdZd Zde j4 d eeef fdZde j4 d eee f fdZ de j4 d ee fdZ d Z d Z ddZ!ddZ"y) N)DictListOptionalSet )utils )ConfigurationErrorc e Zd ZdZdefdZedefd Zedefd ZdedefdZ edefd Z ede fd Z ede fd Z ede fd Zedefd Zedefd ZdededefdZdefdZdefdZy) PCIDevicez.Helper class for interaction with a PCI devicepci_addrc || _ y)znInitialise a new PCI device handler :param pci_addr: PCI address of device :type: str Nr )selfr s +/usr/share/netplan/netplan_cli/cli/sriov.py__init__zPCIDevice.__init__' s ! returnc y)zusysfs path (can be overridden for testing) :return: full path to /sys filesystem :rtype: str z/sys r s r sysz PCIDevice.sys. s r c l t j j | j d| j S )zq/sys path for PCI device :return: full path to PCI device in /sys filesystem :rtype: str zbus/pci/devices)ospathjoinr r r s r r zPCIDevice.path6 s$ ww||DHH&7 GGr subpathc V t j 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 s r r zPCIDevice.subpath> s ww||DIIw//r c d}t j j | j d rAt j j t j | j d }|S )zjKernel driver for PCI device :return: kernel driver in use for device :rtype: str driver)r r existsr basenamereadlink)r r! s r r! zPCIDevice.driverG sM 77>>$,,x0 1WW%%bkk$,,x2H&IJF r c ^ t j j | j d S )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 s r boundzPCIDevice.boundR ww~~dll8 455r c ^ t j j | j d S )zwDetermine if device is a SR-IOV Physical Function :return: whether device is a PF :rtype: bool sriov_numvfsr& r s r is_pfzPCIDevice.is_pfZ s ww~~dll> :;;r c ^ t j j | j d S )zvDetermine if device is a SR-IOV Virtual Function :return: whether device is a VF :rtype: bool physfnr& r s r is_vfzPCIDevice.is_vfb r( r c g }d} |j t j j t j | j dj | |dz }f# t $ r Y |S w xY w)zList Virtual Function addresses associated with a Physical Function :return: List of PCI addresses of Virtual Functions :rtype: list[str] r zvirtfn{}r )appendr r r# r$ r formatFileNotFoundError)r vf_addrsis r r3 zPCIDevice.vf_addrsj s} GG$$ DLL1B1B11E$FG FA % s A A, , A98A9c R | j D cg c] }t | c}S c c}w )zList Virtual Function associated with a Physical Function :return: List of PCI devices of Virtual Functions :rtype: list[PCIDevice] )r3 r )r addrs r vfsz PCIDevice.vfs~ s$ -1MM:MD $M:::s $obj_namepropvaluec n t j dd|ddj | j ||g y)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 /sbin/devlinkdevsetzpci/{}N) subprocess check_callr1 r )r r8 r9 r: s r devlink_setzPCIDevice.devlink_set s9 . r c 8 d| j } t j ddddd|gt j }t j | }|j di j |i j d d S # t j $ r Y yw xY w) zQuery eswitch mode via devlink for the PCI device :return: the eswitch mode or '__undetermined' if it can't be retrieved :rtype: str zpci/r< z-jr= eswitchshow)stderr__undeterminedmode)r r? check_outputDEVNULLCalledProcessErrorjsonloadsget)r pcioutput json_outputs r devlink_eswitch_modez PCIDevice.devlink_eswitch_mode s T]]O$ $ ,,# ")) F jj( ub)--c26::6CSTT ,, $# $s +B BBc | j S )zbString represenation of object :return: PCI address of string :rtype: str r r s r __str__zPCIDevice.__str__ s }} r N)__name__ __module__ __qualname____doc__strr propertyr r r r! boolr' r+ r. listr3 r7 rA rQ rS r r r r r $ s3 8! ! S Hc H H0s 0s 0 6t 6 6 <t < < 6t 6 6 $ & ;T ; ; C s 3 *Uc U: r r r7 c g }| D ]_ }|j rt dj | d 5 }|j |j |j | ddd a |S # 1 sw Y mxY w)zBind unbound VFs to driver.z /sys/bus/pci/drivers/{}/bindwtNr' openr1 writer r0 )r7 r! bound_vfsvffs r bind_vfsrd si Ixx4;;FCTJa $ $ KJ KJ -A))A2 r c g }| D ]_ }|j st dj | d 5 }|j |j |j | ddd a |S # 1 sw Y mxY w)z Unbind bound VFs from driver.z /sys/bus/pci/drivers/{}/unbindr] Nr^ )r7 r! unbound_vfsrb rc s r unbind_vfsrh sj K 886==fEtLPQ $""2& ML MLre netdef interfacec v | j |t j | t j | S )N) iface_name iface_driver iface_mac)_match_interfacer get_interface_driver_nameget_interface_macaddress)ri rj s r _interface_matchesrr s9 " " 44Y?00; # = =r c l t j }| j rz| j }|r||v r|S t }|D ]F }t | | st | dkD rt d| j z |j | H |rt | d S y| j |v r | j S y)z Try to match a netdef with the real system network interface. Throws ConfigurationError if there is more than one match. r z3matched more than one interface for a PF device: %sr N) netifaces interfaces _has_matchset_namer> rr lenr idaddr[ )ri ru rw matchesrj s r _get_interface_name_for_netdefr| s & 0 0 2J J. O #G ( )&)< w<!#,-bekenen-noo I& ( G}Q'' 99 "99 r c t j j d| d } t | 5 }d}|j D ]E }|j }|j d s%|j dd d }|c cddd S ddd y# 1 sw Y yxY w# t $ r }t d| d t | d}~ww xY w) z5 Read PCI slot name for given interface name /sys/class/netz device/ueventNzPCI_SLOT_NAME==r r z!failed parsing PCI slot name for : ) r r r r_ readlinesstrip startswithsplitIOError RuntimeErrorrX )netdev uevent_pathrc pci_slot_namelinees r _get_pci_slot_namer s '',, / IK Y + ! M zz|??#34$(JJsA$6q$9M(( % YPSTUPVWXXYsF B 7B&B> B B B B B B C(CCnp_statec i }| j j D ] }|j j d x}r+t | |j x}s;|||j < K|j r t | x}r|||j < |j }|dkD st | x}s|||j < |S # t j $ r}t t | d}~ww xY w)z Go through the list of netplan ethernet devices and identify which are PFs matching them with actual network interfaces. sriovNr ) ethernetsvalueslinksrM r| ry _embedded_switch_mode _vf_countnetplanNetplanExceptionr rX )r pfsri linkifacecountr s r _get_physical_functionsr s C$$++-<<##G, ,4 ,6x7HIIuI $DGG ++ :6 BB5B%*C N 1 (( qy :6 BB5B%*C N' .* J ++ 1(Q00 1s CC0C++C0c i }| j j D ]( } |j }|dkD st | x}s$|||< * |S # t j $ r}t t | d}~ww xY w)z Go through the list of netplan ethernet devices and identify which ones have VFs. netdef._vf_count ultimately calls _netplan_state_get_vf_count_for_def from libnetplan which return MAX(sriov_explicit_vf_count, number of VF netdefs). Nr )r r r r r r rX r| )r vf_countsri r r r s r _get_vf_number_per_pfr 0 s I$$++- -$$E 196v>>u>#( % . '' -$SV, , -s A A6 A11A6c t }| j j D ]T }|j j d x}s!t | |j s:|j |j V |S )zk Go through the list of netplan ethernet devices and identify which ones are virtual functions r )r> r r r rM r| ry rz )r r7 ri r s r _get_virtual_functionsr C sf %C$$++-<<##G, ,4 ,-htww.?@ " . Jr c |dkD rt d| d|d t j j d| d }t j j |d }t j j |d } t | 5 }t |j j }d d d |kD rt d| d |d|d t |d 5 }|j t | d d d y# 1 sw Y TxY w# t $ r }t d | d t | d }~wt $ r t d | z w xY w# 1 sw Y yxY w# t $ r}d}|j dk( rt j d| z t |d 5 }|j d d d d n # 1 sw Y nxY wt |d 5 }|j t | d d d n # 1 sw Y nxY wd}n# t $ r } | }Y d } ~ nd } ~ ww xY w|r t d|d| d t | Y d }~yd }~ww xY w)zB Allocate the required number of VFs for the selected PF. z cannot allocate more VFs for PF z than the SR-IOV maximum: z > 256r~ devicer* sriov_totalvfsNz"failed parsing sriov_totalvfs for r z#invalid sriov_totalvfs value for %sz than supported: z > z (sriov_totalvfs)wT zLdevice or resource busy while setting sriov_numvfs for %s, trying workaround0Fz failed setting sriov_numvfs to z for )r r r r r_ intreadr r r rX ValueErrorr` errnologgingwarning) pfvf_countdevdir numvfs_path totalvfs_pathrc vf_maxr baile_inners r set_numvfs_for_pfr Q s #~ VXZb ce e WW\\*B 9F'',,v~6KGGLL)9:MG - A )*F ! & ]_aikq rt th +s #q GGCM " $( A ! VSQRVTUU G@2EFFG $( % h 77b= OO jmo o p +s+qGGCL ,+++s+qGGCM* ,++ QY[]_bcd_e fg g %hs : D (D -D E E 7E D D E D//E EE E H?")H: G>F3* G>3F< 8G> G/& G>/G8 4G>;H:> HH H:H"H::H?c N t j j d| d } t t j j |d 5 }|j j dd }ddd t t j j |d 5 }|j j dd }ddd dj g }d }||v ryy# 1 sw Y wxY w# 1 sw Y 0xY w# t $ r }t d| dt | d}~ww xY w) z Perform any hardware-specific quirks for the given SR-IOV device to make sure all the VF-count changes are applied. r~ r vendorr Nz,could not determine vendor and device ID of r :r ) r r r r_ r r r r rX )r r rc device_id vendor_idr combined_id quirk_devicess r perform_hardware_specific_quirksr s WW\\*B 9F` "'',,vx0 1Q(,I 2 "'',,vx0 1Q(,I 2 ((Iy12KMm# $ 2 1 1 1 `SUWZ[\W]^__`sG )C< "C$.1C< "C0C< $C-)C< 0C95C< < D$D D$c d}t j j |d|d }t j j t j | }t j j |d| d }t j | D ]e } d| v st j j || } t j j t j | } | |k( s`| dd } n |st d|d| t j dd d d | d |d t | g t j t j y# t j $ r t d|z w xY w)z@ Apply the hardware VLAN filtering for the selected VF. Nz sys/class/netr virtfn z%could not determine the VF index for z while configuring vlan ipr r> r= rb vlan)stdoutrE zJfailed setting SR-IOV VLAN filter for vlan %s (ip link set command failed)) r r r r# r$ listdirr r? r@ rX rI rJ ) r rb vlan_namevlan_idprefixvf_index vf_devdir vf_dev_id pf_devdirrc dev_pathdev_ids r apply_vlan_filter_for_vfr sK H V_b(CI Y!78I V_b(CI ZZ " q=ww||Iq1HWW%%bkk(&;<F" QR5 # SUW` ac c f tVU $b #X %s7| 5 &0%7%7%/%7%7 9 ( ( f X[d df ffs AE "E3c * | j t j }| j }t | }t | }t | }g }|r6|j D ]# \ }} t || s|j | % |r&|D ] }t | t j }i } |D ]T } || } | j r7|D ]1 } | j | s| | v r| | rt d| z | | | < 3 K| |v sP| | | < V |j D ] \ }}|| } | j }|dv s t | }t! | }|j# }||k7 sI|j$ sVt' j( dj+ ||j, |j. r! t1 |j. |j2 t' j( d| d | d | |j; d d | |j. s| j< rt? |j. |j2 tA }|jB j D ] \ }} | jD s| jF jI d }| jJ }| jI |jL } | s't' j6 d|d|jL d ~|jI |jF jI d jL }| |v r t d| d|jL d|d tO || || |jQ | y# t4 $ r/}t' j6 d| dt9 | Y d}~d}~ww xY w)z Go through all interfaces, identify which ones are SR-IOV VFs, create them and perform all other necessary setup. )rl z3matched more than one interface for a VF device: %s) switchdevlegacyzFound VFs of {}: {}zUnbinding of VFs for z failed: NzChanging eswitch mode from z to z for: rC rG r zSR-IOV vlan defined for z but link z% is either not a VF or has no matchesr z interface z for netplan device z (z$) already has an SR-IOV vlan defined))parsert ru r r r r itemsr r0 r rv ro r r r r rQ r+ r debugr1 r3 r7 rh r! Exceptionr rX rA _delay_virtual_functions_rebindrd r> vlans_has_sriov_vlan_filterr rM _vlan_idry r rz )config_managerrootdirru r r vfs_setr vf_count_changedr r r7 rb ri rj netdef_idr eswitch_moder pcidevcurrent_eswitch_mode_systemr filtered_vlans_setr r r s r apply_sriov_configr sZ %%'J &&H &h/I %X.G !( +C %OO -LB$R2 # #B ' . #B ,R 0 # ))+ C" ( **i*@SySW 01fik1k ll 'CG ( Z B " IIK 5)$ 33 2 2)%0H x(F*0*E*E*G ' ::<<MM"7">">vv"WX zzb &vzz6== A MM$?@[?\\`am`nntu~t #A B&&y&,G zz % E E $VZZ ?+ (. ,,. f ( (<<##F+D ooG!B eikokrkrsu 0334B''(dfhlhohoquvx x %RT7 ; " "2 &9 / ) b #OO.CI;iX[\]X^W_,` a abs 1 M N#$N N)/)#rK r r r? typingr r r r r r configmanagerr r rt objectr Iterablerd rh NetDefinitionrX rZ rr r| r Stater r r r r r r r r r r <module>r s& & , , . Y Y x&//), FOOI. 6??9;U =w 4 4 = = =!7+@+@ !Xc] !HY"gmm S#X <GMM d38n & W]] s3x ,^ :$fNs'r