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:

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-----Original Message-----
From: iommu-bounces@lists.linux-foundation.org [mailto:iommu-
bounces@lists.linux-foundation.org] On Behalf Of Joerg Roedel
Sent: Sunday, December 02, 2012 7:33 PM
To: Sethi Varun-B16395
Cc: linux-kernel@vger.kernel.org; =20

iommu@lists.linux-foundation.org; Wood

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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:

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Added the following domain attributes required by FSL PAMU =20

driver:

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1. Subwindows field added to the iommu domain geometry =20

attribute.

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Are the Subwindows mapped with full size or do you map only parts =20

of the

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subwindows?

[Sethi Varun-B16395] It's possible to map a part of the subwindow =20

i.e.

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size of the mapping can be less than the sub window size.

=20
Yes, I know that this is possible. But do you plan to support that or =20
is
it sufficient when the whole subwindow is mapped?

We do plan to support that.

-Scott=