RE: [PATCH 0/3] iommu: Expose IOMMU information in sysfs

From: Varun Sethi
Date: Thu Jul 03 2014 - 13:43:36 EST


Hi Alex,
This is on my todo list. I have a requirement for adding sysfs support for PAMU.

Regards
Varun
> -----Original Message-----
> From: Alex Williamson [mailto:alex.williamson@xxxxxxxxxx]
> Sent: Thursday, July 03, 2014 9:39 PM
> To: Joerg Roedel
> Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx; dwmw2@xxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Sethi Varun-B16395
> Subject: Re: [PATCH 0/3] iommu: Expose IOMMU information in sysfs
>
> On Mon, 2014-06-16 at 09:24 -0600, Alex Williamson wrote:
> > On Mon, 2014-06-16 at 17:16 +0200, Joerg Roedel wrote:
> > > On Thu, Jun 12, 2014 at 04:12:18PM -0600, Alex Williamson wrote:
> > > > Alex Williamson (3):
> > > > iommu: Add sysfs support for IOMMUs
> > > > iommu/intel: Make use of IOMMU sysfs support
> > > > iommu/amd: Add sysfs support
> > >
> > > I like the general approach. But why do you only enable the x86
> iommus?
> > > Some ARM IOMMUs and PAMU would certainly also benefit from a sysfs
> > > representation of which device is translated by which IOMMU.
> >
> > Only because I have no ability to test the others platforms. I'd be
> > thrilled if someone working on those IOMMUs could validate this on
> > non-x86. Thanks,
>
> Should I re-send this series or are you hoping I'll attempt to piece
> together a non-x86 user for which I have no hardware and can't test?
> Varun, do you have any interest in this for the fsl iommu to try a proof
> of concept? Thanks,
>
> Alex