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