内核开启VF小结

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2017-8-29 16:33:40

内核开启VF小结：

1. eth2上创建4个VF
echo 4 > /sys/class/net/eth2/device/sriov_numvfs
2. 关闭eth2 VF
~ # echo 0 > /sys/class/net/eth2/device/sriov_numvfs
注：如果遇到"/sys/class/net/<DEVICE NAME>/device/sriov_numvfs"文件不存，
内核开启配置如下试试：
[*] PCI support
   [*]   Support mmconfig PCI config space access
   [*]   PCI Express Port Bus support
   [*]   Enable PCI resource re-allocation detection
   [*] PCI IOV support
   [*] PCI PRI support
[*] IOMMU Hardware Support --->
[*] Support for Intel IOMMU using DMA Remapping Devices
[*] Support for Shared Virtual Memory with Intel IOMMU