Red Hat ENTERPRISE LINUX 5 - VIRTUALIZATION GUIDE Guide d'installation télécharger pdf (Page 204)

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The setup is complete and the guest can now use the PCI device.

15.3. PCI passt hrough wit h virt -inst all

To use PCI passthrough with the virt-install parameter, use the additional --host-device

parameter.

1. Id en t if y t h e PC I device

Identify the PCI device designated for passthrough to the guest. The virsh nodedev-list

command lists all devices attached to the system. The --tree option is useful for identifying

devices attached to the PCI device (for example, disk controllers and USB controllers).

# virsh nodedev-list --tree

For a list of only PCI devices, run the following command:

# virsh nodedev-list | grep pci

Each PCI device is identified by a string in the following format (where 8086 is a variable that

in this case represents Intel equipment, and **** is a four digit hexadecimal code specific to

each device):

pci_8086_****

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