Re: SMMU 2-stage support

2015-02-18 Thread Will Deacon
On Wed, Feb 18, 2015 at 05:04:21PM +, Baptiste Reynal wrote: > We are currently working on the ARM SMMU 2-stage support in order to > expose SMMU capabilities to a guest OS. > By doing some research, we noticed some work has already be done by Will > Deacon on exposing virtual IOMMU interface t

Re: IOMMU/DMA API inquiry

2015-02-18 Thread j...@8bytes.org >> Joerg Roedel
Hi Mark, On Tue, Feb 17, 2015 at 02:48:03PM -0500, Mark Hounschell wrote: > I understand that AMD IOMMU support is not available for 32-bit > kernels. I believe the INTEL IOMMU is supported there. Not knowing > why, I was curious if that is going to remain that way? Yes, I have no plan on making

SMMU 2-stage support

2015-02-18 Thread Baptiste Reynal
We are currently working on the ARM SMMU 2-stage support in order to expose SMMU capabilities to a guest OS. By doing some research, we noticed some work has already be done by Will Deacon on exposing virtual IOMMU interface to KVM guest. After going through slides and code (on git:// git.kernel.or