Re: [Qemu-devel] VFIO mdev with vIOMMU

2016-07-29 Thread Alex Williamson
On Thu, 28 Jul 2016 23:47:58 + "Tian, Kevin" wrote: > > From: Alex Williamson [mailto:alex.william...@redhat.com] > > Sent: Thursday, July 28, 2016 11:42 PM > > > > On Thu, 28 Jul 2016 10:15:24 + > > "Tian, Kevin" wrote: > > > > > Hi, Alex, > > > > > > Along with recent enhancement o

Re: [Qemu-devel] VFIO mdev with vIOMMU

2016-07-28 Thread Tian, Kevin
> From: Alex Williamson [mailto:alex.william...@redhat.com] > Sent: Thursday, July 28, 2016 11:42 PM > > On Thu, 28 Jul 2016 10:15:24 + > "Tian, Kevin" wrote: > > > Hi, Alex, > > > > Along with recent enhancement on virtual IOMMU (vIOMMU) in Qemu, I'm > > thinking whether there is any issue

Re: [Qemu-devel] VFIO mdev with vIOMMU

2016-07-28 Thread Alex Williamson
On Thu, 28 Jul 2016 10:15:24 + "Tian, Kevin" wrote: > Hi, Alex, > > Along with recent enhancement on virtual IOMMU (vIOMMU) in Qemu, I'm > thinking whether there is any issue for mdev to cope with vIOMMU. I > know today VFIO device only works with PowerPC IOMMU (note someone > is enabling V

[Qemu-devel] VFIO mdev with vIOMMU

2016-07-28 Thread Tian, Kevin
Hi, Alex, Along with recent enhancement on virtual IOMMU (vIOMMU) in Qemu, I'm thinking whether there is any issue for mdev to cope with vIOMMU. I know today VFIO device only works with PowerPC IOMMU (note someone is enabling VFIO device with virtual VT-d but looks not complete yet), but it's alw