Re: [Qemu-devel] [PATCH V4 00/10] vhost device IOTLB support

2017-01-09 Thread Michael S. Tsirkin
On Fri, Dec 30, 2016 at 06:09:09PM +0800, Jason Wang wrote: > Hi all: > > As the userspace vitio driver became popular, more and more request > were received for secure DMA environemt (DMAR). So this series tries > to make DMAR works for virtio/vhost. The idea is let virtio/vhost > co-work with

[Qemu-devel] [PATCH V4 00/10] vhost device IOTLB support

2016-12-30 Thread Jason Wang
Hi all: As the userspace vitio driver became popular, more and more request were received for secure DMA environemt (DMAR). So this series tries to make DMAR works for virtio/vhost. The idea is let virtio/vhost co-work with userspace iommu implememtation. This is done through: - for virtio, when