linux-kernel - RE: [RFC][PATCH 1/3] iommu/fsl: Store iommu domain information pointer in archdata.

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Date:	Thu, 4 Oct 2012 16:30:58 +0000
From:	Sethi Varun-B16395 <B16395@...escale.com>
To:	Kumar Gala <galak@...nel.crashing.org>
CC:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"joerg.roedel@....com" <joerg.roedel@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: RE: [RFC][PATCH 1/3] iommu/fsl: Store iommu domain information
 pointer in archdata.



> -----Original Message-----
> From: Kumar Gala [mailto:galak@...nel.crashing.org]
> Sent: Wednesday, September 19, 2012 7:20 PM
> To: Sethi Varun-B16395
> Cc: iommu@...ts.linux-foundation.org; joerg.roedel@....com; linux-
> kernel@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org; Sethi Varun-B16395
> Subject: Re: [RFC][PATCH 1/3] iommu/fsl: Store iommu domain information
> pointer in archdata.
> 
> 
> On Sep 19, 2012, at 8:17 AM, <b16395@...escale.com>
> <b16395@...escale.com> wrote:
> 
> > From: Varun Sethi <Varun.Sethi@...escale.com>
> >
> > Add a new field in the device (powerpc) archdata structure for storing
> > iommu domain information pointer. This pointer is stored when the
> > device is attached to a particular domain.
> >
> > Signed-off-by: Varun Sethi <Varun.Sethi@...escale.com>
> > ---
> > arch/powerpc/include/asm/device.h |    4 ++++
> > 1 files changed, 4 insertions(+), 0 deletions(-)
> 
> Not too familiar, but what does the IBM Server IOMMU do for iommu_domain?
>
[Sethi Varun-B16395] I am not sure if the IBM iommu driver implements the iommu
API.

-Varun
 



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