From: "joerg.roedel@amd.com" <joerg.roedel@amd.com>
To: Hiroshi Doyu <hdoyu@nvidia.com>
Cc: "iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"ohad@wizery.com" <ohad@wizery.com>,
"dwmw2@infradead.org" <dwmw2@infradead.org>,
"davidb@codeaurora.org" <davidb@codeaurora.org>,
"tony@atomide.com" <tony@atomide.com>,
"Hiroshi.DOYU@nokia.com" <Hiroshi.DOYU@nokia.com>,
"laurent.pinchart@ideasonboard.com"
<laurent.pinchart@ideasonboard.com>,
"b08248@gmail.com" <b08248@gmail.com>,
"scottwood@freescale.com" <scottwood@freescale.com>
Subject: Re: [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware
Date: Fri, 20 Jan 2012 17:05:52 +0100 [thread overview]
Message-ID: <20120120160552.GH2205@amd.com> (raw)
In-Reply-To: <20120120.081403.2268989617582455160.hdoyu@nvidia.com>
Hi,
On Fri, Jan 20, 2012 at 07:14:03AM +0100, Hiroshi Doyu wrote:
> From: Joerg Roedel <joerg.roedel@amd.com>
> Subject: [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware
> Date: Thu, 19 Jan 2012 15:30:00 +0100
> Message-ID: <1326983405-319-1-git-send-email-joerg.roedel@amd.com>
>
> > Hi,
> >
> > this patch-set adds two new functions the the IOMMU-API:
> >
> > * iommu_domain_set_attr()
> > * iommu_domain_get_attr()
> >
> > These are generic functions to set and change attributes of a domain.
> > The plan is to have a set of generic attributes implemented by more than
> > one IOMMU driver as well as driver specific ones. As an example for the
> > first type this patch-set also implements the DOMAIN_ATTR_GEOMETRY
> > attribute. It can be used to query information about the address space
> > window that can be remapped by the iommu hardware. With this attribute
> > is is very easy to support IOMMUs like GART and friends.
>
> For Tegra GART & SMMU, this info is passed from board files as
> resource data via "platform_get_resource(,IORESOURCE_MEM,)". I think
> that this could be the attachement patch in Tegra case. The attached
> patches are based on the following post.
>
> https://lkml.org/lkml/2012/1/5/26
> https://lkml.org/lkml/2012/1/5/27
I will start merging new patches next week. These patches are on my
list. Once we have settled on a version of the patches in this thread I
also apply your posted addtion.
Joerg
--
AMD Operating System Research Center
Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632
prev parent reply other threads:[~2012-01-20 16:07 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-19 14:30 [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware Joerg Roedel
2012-01-19 14:30 ` [PATCH 1/5] iommu: Add domain-attribute handlers Joerg Roedel
2012-01-19 14:30 ` [PATCH 2/5] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute Joerg Roedel
2012-01-19 15:46 ` Laurent Pinchart
2012-01-19 16:07 ` Joerg Roedel
2012-01-19 16:27 ` Laurent Pinchart
2012-01-20 5:44 ` Hiroshi Doyu
2012-01-20 16:01 ` Joerg Roedel
2012-02-01 9:37 ` Sethi Varun-B16395
2012-01-26 18:26 ` Scott Wood
2012-01-19 17:16 ` Sethi Varun-B16395
2012-01-20 16:03 ` Joerg Roedel
2012-01-26 18:25 ` Scott Wood
2012-01-26 18:31 ` Joerg Roedel
2012-01-26 18:42 ` Scott Wood
2012-01-26 18:51 ` Joerg Roedel
2012-01-26 19:00 ` Scott Wood
2012-01-26 19:44 ` Joerg Roedel
2012-01-26 20:02 ` Scott Wood
2012-01-27 11:01 ` Joerg Roedel
2012-01-27 21:22 ` Scott Wood
2012-01-30 14:24 ` Joerg Roedel
2012-01-30 20:21 ` Scott Wood
2012-01-30 6:27 ` Sethi Varun-B16395
2012-01-30 14:30 ` Joerg Roedel
2012-01-19 14:30 ` [PATCH 3/5] iommu/vt-d: " Joerg Roedel
2012-01-19 14:30 ` [PATCH 4/5] iommu/omap: " Joerg Roedel
2012-01-19 14:30 ` [PATCH 5/5] iommu/msm: " Joerg Roedel
2012-01-20 6:14 ` [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware Hiroshi Doyu
2012-01-20 16:05 ` joerg.roedel [this message]
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