# RE: \[RFC\]\[PATCH 1/3\] iommu/fsl: Store iommu domain information pointer in archdata.

- From: Sethi Varun-B16395 \<hidden\>
- Date: 2012-10-04 16:31:18 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/10/3934030
- Thread: https://ratatoskr.run/linuxppc-dev/2012/09/3925643/t.md

```text


> -----Original Message-----
> From: Kumar Gala [mailto:<redacted>]
> Sent: Wednesday, September 19, 2012 7:20 PM
> To: Sethi Varun-B16395
> Cc: <redacted>; <redacted>; linux-
> kernel@vger.kernel.org; linuxppc-dev@lists.ozlabs.org; Sethi Varun-B16395
> Subject: Re: [RFC][PATCH 1/3] iommu/fsl: Store iommu domain information
> pointer in archdata.
>=20
>=20
> On Sep 19, 2012, at 8:17 AM, [ref]
> [ref] wrote:
>=20
> > From: Varun Sethi <redacted>
> >
> > 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 <redacted>
> > ---
> > arch/powerpc/include/asm/device.h |    4 ++++
> > 1 files changed, 4 insertions(+), 0 deletions(-)
>=20
> 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 i=
ommu
API.

-Varun
=20
```