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>>> Jim Fehlig <jfehlig@xxxxxxxx> 2017/3/23 星期四 上午 1:33 >>> ...... >> is not a good idea, but as far as I know, SR-IOV status can't be
>> detected from >> nodedev XML so far. > >I think it is possible to determine SR-IOV capabilities from the nodedev XML > ># virsh nodedev-dumpxml pci_0000_09_00_2 ><device> > <name>pci_0000_09_00_2</name> > <path>/sys/devices/pci0000:00/0000:00:1c.0/0000:09:00.2</path> > <parent>pci_0000_00_1c_0</parent> > <driver> > <name>igb</name> > </driver> > <capability type='pci'> > <domain>0</domain> > <bus>9</bus> > <slot>0</slot> > <function>2</function> > <product id='0x1521'>I350 Gigabit Network Connection</product> > <vendor id='0x8086'>Intel Corporation</vendor> > <capability type='virt_functions' maxCount='7'> > <address domain='0x0000' bus='0x0a' slot='0x10' function='0x2'/> > <address domain='0x0000' bus='0x0a' slot='0x10' function='0x6'/> > <address domain='0x0000' bus='0x0a' slot='0x11' function='0x2'/> > <address domain='0x0000' bus='0x0a' slot='0x11' function='0x6'/> > <address domain='0x0000' bus='0x0a' slot='0x12' function='0x2'/> > <address domain='0x0000' bus='0x0a' slot='0x12' function='0x6'/> > <address domain='0x0000' bus='0x0a' slot='0x13' function='0x2'/> > </capability> > <numa node='0'/> > <pci-express> > <link validity='cap' port='0' speed='5' width='4'/> > <link validity='sta' speed='5' width='4'/> > </pci-express> > </capability> ></device> > >So this device has 'virt_functions' capability and currently has 7 configured. > Thank you for the information!
I used to dump the information by "virsh nodedev-dumpxml net_eth0_00_1e_67_94_6a_6b",
That's why I didn't figure out the SR-IOV information from the output.
Thanks,
Lin
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