RE: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-03 Thread Sricharan
org; 'Rob Clark' <robdcl...@gmail.com>; >'Joerg Roedel' <j...@8bytes.org>; iommu@lists.linux- >foundation.org >Subject: Re: [PATCH 0/5] Implement SMMU passthrough using the default domain > >On Thu, Feb 02, 2017 at 09:15:19PM +0530, Sricharan wrote: >> Hi Rob, >

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-03 Thread Rob Clark
On Thu, Feb 2, 2017 at 10:12 AM, Will Deacon wrote: > On Thu, Feb 02, 2017 at 10:02:50AM -0500, Rob Clark wrote: >> On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel wrote: >> > On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: >> >> Thanks for this

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Will Deacon
Joerg Roedel <j...@8bytes.org> > >Cc: Will Deacon <will.dea...@arm.com>; iommu@lists.linux-foundation.org; > >Sricharan <sricha...@codeaurora.org>; linux-arm- > >ker...@lists.infradead.org > >Subject: Re: [PATCH 0/5] Implement SMMU passthrough usi

RE: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Sricharan
mmu@lists.linux-foundation.org; >Sricharan <sricha...@codeaurora.org>; linux-arm- >ker...@lists.infradead.org >Subject: Re: [PATCH 0/5] Implement SMMU passthrough using the default domain > >On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel <j...@8bytes.org> wrote: >> On Tue

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Will Deacon
On Thu, Feb 02, 2017 at 10:02:50AM -0500, Rob Clark wrote: > On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel wrote: > > On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: > >> Thanks for this series. We had a case with the GPU. > >> The GPU's iommu was setup by kernel and

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-02-02 Thread Rob Clark
On Thu, Jan 26, 2017 at 12:18 PM, Joerg Roedel wrote: > On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: >> Thanks for this series. We had a case with the GPU. >> The GPU's iommu was setup by kernel and the GPU >> also does dynamic updates for on-the-fly switching

Re: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-01-26 Thread Joerg Roedel
On Tue, Jan 24, 2017 at 08:42:23PM +0530, Sricharan wrote: > Thanks for this series. We had a case with the GPU. > The GPU's iommu was setup by kernel and the GPU > also does dynamic updates for on-the-fly switching between > process pagetables. GPU driver was not using DMA domain and > the GPU's

RE: [PATCH 0/5] Implement SMMU passthrough using the default domain

2017-01-24 Thread Sricharan
Hi Will, >Hi all, > >A number of people have expressed interest in having the SMMU come up in >a passthrough configuration, and then allow subsequent translation for >things such as VFIO. Rather than do this in each SMMU driver, it's much >cleaner to allow the default domain to be configured to

[PATCH 0/5] Implement SMMU passthrough using the default domain

2017-01-19 Thread Will Deacon
Hi all, A number of people have expressed interest in having the SMMU come up in a passthrough configuration, and then allow subsequent translation for things such as VFIO. Rather than do this in each SMMU driver, it's much cleaner to allow the default domain to be configured to be something