On 12/03/2012 11:27:12 AM, Joerg Roedel wrote:
On Mon, Dec 03, 2012 at 04:57:29PM +0000, Sethi Varun-B16395 wrote:
>
>
> > -----Original Message-----
> > From: iommu-boun...@lists.linux-foundation.org [mailto:iommu-
> > boun...@lists.linux-foundation.org] On Behalf Of Joerg Roedel
> > Sent: Sunday, December 02, 2012 7:33 PM
> > To: Sethi Varun-B16395
> > Cc: linux-ker...@vger.kernel.org;
io...@lists.linux-foundation.org; Wood
> > Scott-B07421; linuxppc-dev@lists.ozlabs.org; Tabi Timur-B04825
> > Subject: Re: [PATCH 3/4 v5] iommu/fsl: Add iommu domain attributes
> > required by fsl PAMU driver.
> >
> > Hmm, we need to work out a good abstraction for this.
> >
> > On Tue, Nov 20, 2012 at 07:24:56PM +0530, Varun Sethi wrote:
> > > Added the following domain attributes required by FSL PAMU
driver:
> > > 1. Subwindows field added to the iommu domain geometry
attribute.
> >
> > Are the Subwindows mapped with full size or do you map only parts
of the
> > subwindows?
> >
> [Sethi Varun-B16395] It's possible to map a part of the subwindow
i.e.
> size of the mapping can be less than the sub window size.
Yes, I know that this is possible. But do you plan to support that or
is
it sufficient when the whole subwindow is mapped?
We do plan to support that.
-Scott
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