[dpdk-dev] Query : Does Binding with vfio-pci is supported inside qemu-kvm guest/vm instance.?

[Bruce Richardson]

On Tue, Mar 12, 2019 at 10:57:55AM +0530, Thanneeru Srinivasulu wrote:
> Hi Everyone.
> 
> I did attached pice  to Guest VM using vfio-pci with qemu command, and then
> tried binding the pcie bdf with vfio-pci, observing binding failure with
> vfio-pci.
> 
> Where as when tryied with igb_uio, everything works fine.
> 
> Does Binding with vfio-pci is supported inside VM/guest?
> 
vfio support requires the presence of an IOMMU, and you generally don't
have an IOMMU available in a VM.

/Bruce