Re: [Qemu-devel] [RFC PATCH 4/8] iommu/vt-d: Add iommu do invalidate function

2017-05-18 Thread Liu, Yi L
On Fri, May 12, 2017 at 03:59:18PM -0600, Alex Williamson wrote: > On Wed, 26 Apr 2017 18:12:01 +0800 > "Liu, Yi L" wrote: > > > From: Jacob Pan > > > > This patch adds Intel VT-d specific function to implement > > iommu_do_invalidate API. > > > > The use case is for supporting caching structu

Re: [Qemu-devel] [RFC PATCH 4/8] iommu/vt-d: Add iommu do invalidate function

2017-05-12 Thread Alex Williamson
On Wed, 26 Apr 2017 18:12:01 +0800 "Liu, Yi L" wrote: > From: Jacob Pan > > This patch adds Intel VT-d specific function to implement > iommu_do_invalidate API. > > The use case is for supporting caching structure invalidation > of assigned SVM capable devices. Emulated IOMMU exposes queue > i

[Qemu-devel] [RFC PATCH 4/8] iommu/vt-d: Add iommu do invalidate function

2017-04-26 Thread Liu, Yi L
From: Jacob Pan This patch adds Intel VT-d specific function to implement iommu_do_invalidate API. The use case is for supporting caching structure invalidation of assigned SVM capable devices. Emulated IOMMU exposes queue invalidation capability and passes down all descriptors from the guest to