Re: [PATCH v6 1/3] iommu: Implement common IOMMU ops for DMA mapping

2015-10-29 Thread Daniel Kurtz
+linux-media & VIDEOBUF2 FRAMEWORK maintainers since this is about the v4l2-contig's usage of the DMA API. Hi Robin, On Tue, Oct 27, 2015 at 12:55 AM, Robin Murphy wrote: > On 26/10/15 13:44, Yong Wu wrote: >> >> On Thu, 2015-10-01 at 20:13 +0100, Robin Murphy wrote: >> [...] >>> >>> +/* >>> + *

Re: [RFC PATCH] vfio/type1: Do not support IOMMUs that allow bypass

2015-10-29 Thread Will Deacon
On Thu, Oct 29, 2015 at 06:42:10PM +, Robin Murphy wrote: > On 29/10/15 18:28, Will Deacon wrote: > >On Tue, Oct 27, 2015 at 10:00:11AM -0600, Alex Williamson wrote: > >>On Tue, 2015-10-27 at 15:40 +, Will Deacon wrote: > >>>On Fri, Oct 16, 2015 at 09:51:22AM -0600, Alex Williamson wrote: >

Re: [RFC PATCH] vfio/type1: Do not support IOMMUs that allow bypass

2015-10-29 Thread Robin Murphy
On 29/10/15 18:28, Will Deacon wrote: On Tue, Oct 27, 2015 at 10:00:11AM -0600, Alex Williamson wrote: On Tue, 2015-10-27 at 15:40 +, Will Deacon wrote: On Fri, Oct 16, 2015 at 09:51:22AM -0600, Alex Williamson wrote: Would it be possible to add iommu_domain_geometry support to arm-smmu.c?

Re: [RFC PATCH] vfio/type1: Do not support IOMMUs that allow bypass

2015-10-29 Thread Will Deacon
On Tue, Oct 27, 2015 at 10:00:11AM -0600, Alex Williamson wrote: > On Tue, 2015-10-27 at 15:40 +, Will Deacon wrote: > > On Fri, Oct 16, 2015 at 09:51:22AM -0600, Alex Williamson wrote: > > > Would it be possible to add iommu_domain_geometry support to arm-smmu.c? > > > In addition to this test

Re: [PATCH 8/8] iommu: Move default domain allocation to iommu_group_get_for_dev()

2015-10-29 Thread Will Deacon
Hi Joerg, Looking at this from an SMMU perspective, I think there's an issue with attaching to the default domain like this. On Wed, Oct 21, 2015 at 11:51:43PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > Now that the iommu core support for iommu groups is not > pci-centric anymore, we c