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11.7.

11.7.1. 
复制链接

  • # lsmod | grep vfio
    Copy to Clipboard Toggle word wrap 

  1. # lspci -nkD

0000:00:00.0 0600: 8086:a708 (rev 01)
	Subsystem: 17aa:230e
	Kernel driver in use: igen6_edac
	Kernel modules: igen6_edac
0000:00:02.0 0300: 8086:a7a1 (rev 04)
	Subsystem: 17aa:230e
	Kernel driver in use: i915
	Kernel modules: i915, xe
0000:00:04.0 1180: 8086:a71d (rev 01)
	Subsystem: 17aa:230e
	Kernel driver in use: proc_thermal_pci
	Kernel modules: processor_thermal_device_pci
0000:00:05.0 0604: 8086:a74d (rev 01)
	Subsystem: 17aa:230e
	Kernel driver in use: pcieport
0000:00:07.0 0604: 8086:a76e (rev 01)
	Subsystem: 17aa:230e
	Kernel driver in use: pcieport
0000:65:00.0 0108: 144d:a822 (rev 01)
    DeviceName: PCIe SSD in Slot 0 Bay 2
    Subsystem: 1028:1fd9
    Kernel driver in use: nvme
    Kernel modules: nvme
0000:6a:00.0 0108: 1179:0110 (rev 01)
    DeviceName: PCIe SSD in Slot 11 Bay 2
    Subsystem: 1028:1ffb
    Kernel driver in use: nvme
    Kernel modules: nvme
    Copy to Clipboard Toggle word wrap 

  2. # virsh edit vm-name
    Copy to Clipboard Toggle word wrap 

  3. <hostdev mode="subsystem" type="pci" managed="yes">
  <driver name="vfio"/>
   <source>
    <address domain="0x0000" bus="0x65" slot="0x00" function="0x0"/>
   </source>
   <address type="pci" domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
</hostdev>
    Copy to Clipboard Toggle word wrap 

  4. <hostdev mode="subsystem" type="pci" managed="yes">
  <driver name="vfio"/>
   <source>
    <address domain="0x0000" bus="0x65" slot="0x00" function="0x0"/>
   </source>
   <address type="pci" domain='0x0000' bus='0x02' slot='0x00' function='0x0'>
     <zpci uid="0x0008" fid="0x001807"/>
   </address>
</hostdev>
    Copy to Clipboard Toggle word wrap 

  6. # virsh shutdown vm-name
    Copy to Clipboard Toggle word wrap 

  2. # lspci -nkD | grep 0000:02:00.0

0000:02:00.0 8086:9a09 (rev 01)
    Copy to Clipboard Toggle word wrap

11.7.2. 
复制链接

注意

  • 注意

    # virsh edit example-VM-1
    Copy to Clipboard Toggle word wrap 

  • # virsh dumpxml example-VM-1 > example-VM-1.xml
    Copy to Clipboard Toggle word wrap

  3. View larger image

    [D]

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    [D]

11.7.3. 
复制链接

  1. # virsh dumpxml <VM-name>

[...]
<hostdev mode='subsystem' type='pci' managed='yes'>
  <source>
    <address domain='0x0000' bus='0x65' slot='0x00' function='0x0'/>
  </source>
  <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/>
</hostdev>
[...]
    Copy to Clipboard Toggle word wrap 

  2. # virt detach-device <VM-name> --hostdev 0000:65:00.0 --config
Domain 'VM-name' defined successfully.
    Copy to Clipboard Toggle word wrap
    注意

  3. # virsh nodedev-reattach pci_0000_65_00_0
Device pci_0000_65_00_0 re-attached
    Copy to Clipboard Toggle word wrap 

  1. # virsh dumpxml <VM-name>
    Copy to Clipboard Toggle word wrap

11.7.4. 
复制链接

警告

# virsh edit <example-VM-1>
Copy to Clipboard Toggle word wrap 

  • # virsh dumpxml testguest1 > testguest1.xml
# cat testguest1.xml
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
  <name>testguest1</name>
  <uuid>ede29304-fe0c-4ca4-abcd-d246481acd18</uuid>
  [...]
</domain>
    Copy to Clipboard Toggle word wrap

  2. View larger image

    [D]

  3. View larger image

    [D]

  • # virsh define testguest1.xml
    Copy to Clipboard Toggle word wrap
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