红帽全球峰会20.40.3. 确定 VFIO IOMMU 设备支持
使用 virsh domcapabilities 命令确定对 VFIO 的支持。请参见以下示例输出：
图 20.3. 确定 VFIO 支持
# virsh domcapabilities
[...output truncated...]
<enum name='pciBackend'>
<value>default</value>
<value>vfio</value>
[...output truncated...]
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