[vfio-users] VFIO: DMAR kernel

Alex Williamson alex.williamson at redhat.com
Thu May 5 16:04:37 UTC 2016


On Thu, 5 May 2016 15:40:29 +0000
"MEHAN, MUNISH" <mm6021 at att.com> wrote:

> Capabilities: [160 v1] Single Root I/O Virtualization (SR-IOV)
> IOVCap: Migration-, Interrupt Message Number: 000
> IOVCtl: Enable+ Migration- Interrupt- MSE+ ARIHierarchy-
> IOVSta: Migration-
> Initial VFs: 64, Total VFs: 64, Number of VFs: 32, Function Dependency Link: 01
> VF offset: 128, stride: 2, Device ID: 10ed
> Supported Page Size: 00000553, System Page Size: 00000001
> Region 0: Memory at 00000000c8700000 (64-bit, prefetchable)
> Region 3: Memory at 00000000c8800000 (64-bit, prefetchable)
> VF Migration: offset: 00000000, BIR: 0
> Kernel driver in use: vfio-pci

How are you managing to have SR-IOV enabled on the PF while bound to
vfio-pci.  This binding should have disabled SR-IOV.  We shouldn't be
able to have both the PF and VFs of the same device bound to vfio-pci.
If you intend to assign the VFs, the PF should remain bound to ixgbe.
Thanks,

Alex




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