linux-kernel - RE: [PATCH 2/3 v14] iommu/fsl: Add additional iommu attributes required by the PAMU driver.

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Message-ID: <C5ECD7A89D1DC44195F34B25E172658D4B4D9A@039-SN2MPN1-011.039d.mgd.msft.net>
Date:	Tue, 23 Apr 2013 14:10:25 +0000
From:	Sethi Varun-B16395 <B16395@...escale.com>
To:	Joerg Roedel <joro@...tes.org>
CC:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"galak@...nel.crashing.org" <galak@...nel.crashing.org>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	Yoder Stuart-B08248 <B08248@...escale.com>,
	Wood Scott-B07421 <B07421@...escale.com>
Subject: RE: [PATCH 2/3 v14] iommu/fsl: Add additional iommu attributes
 required by the PAMU driver.



> -----Original Message-----
> From: Joerg Roedel [mailto:joro@...tes.org]
> Sent: Tuesday, April 23, 2013 7:09 PM
> To: Sethi Varun-B16395
> Cc: iommu@...ts.linux-foundation.org; linuxppc-dev@...ts.ozlabs.org;
> linux-kernel@...r.kernel.org; galak@...nel.crashing.org;
> benh@...nel.crashing.org; Yoder Stuart-B08248; Wood Scott-B07421
> Subject: Re: [PATCH 2/3 v14] iommu/fsl: Add additional iommu attributes
> required by the PAMU driver.
> 
> On Tue, Apr 23, 2013 at 10:05:25AM +0530, Varun Sethi wrote:
> > Added the following domain attributes for the FSL PAMU driver:
> > 1. Added new iommu stash attribute, which allows setting of the
> >    LIODN specific stash id parameter through IOMMU API.
> > 2. Added an attribute for enabling/disabling DMA to a particular
> >    memory window.
> > 3. Added domain attribute to check for PAMUV1 specific constraints.
> >
> > Signed-off-by: Varun Sethi <Varun.Sethi@...escale.com>
> > ---
> > v14 changes:
> > - Add FSL prefix to PAMU attributes.
> > v13 changes:
> > - created a new file include/linux/fsl_pamu_stash.h for stash
> > attributes.
> > v12 changes:
> > - Moved PAMU specifc stash ids and structures to PAMU header file.
> > - no change in v11.
> > - no change in v10.
> >  include/linux/fsl_pamu_stash.h |   39
> +++++++++++++++++++++++++++++++++++++++
> 
> Isn't asm/ for your architecture a better place for that header?
> 
I think it's fine to have the header under linux, actually I also the intel-iommu header under linux.

-Varun


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