linux-kernel - Re: [RFC v3 00/10] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions

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Date:   Thu, 8 Dec 2016 08:34:55 +0100
From:   Auger Eric <eric.auger@...hat.com>
To:     shankerd@...eaurora.org, Will Deacon <will.deacon@....com>
Cc:     drjones@...hat.com, jason@...edaemon.net, kvm@...r.kernel.org,
        marc.zyngier@....com, joro@...tes.org, punit.agrawal@....com,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        diana.craciun@....com, alex.williamson@...hat.com,
        pranav.sawargaonkar@...il.com,
        linux-arm-kernel@...ts.infradead.org, tglx@...utronix.de,
        robin.murphy@....com, christoffer.dall@...aro.org,
        eric.auger.pro@...il.com
Subject: Re: [RFC v3 00/10] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA
 reserved regions

Hi Shanker,

On 07/12/2016 19:52, Shanker Donthineni wrote:
> Hi Eric,
> 
> Is there any reason why you are not supporting SMMUv3 driver? Qualcomm
> hardware doesn't not support SMMUv2 hardware, please add support for
> SMMUv3 in next patch set. I've ported ' RFC,v3,09/10] iommu/arm-smmu:
> Implement reserved region get/put callbacks' to SMMUv3 driver and tested
> device-pass-through feature on Qualcomm server platform without any issue.
> 
> Tested-by: Shanker Donthineni <shankerd@...eaurora.org>
Thanks!

No reason behind not supporting smmuv3 except I don't have any HW to test.

I will add this support in next version.

Thanks

Eric