linux-kernel - Re: [osrc-patches] [PATCH 0/9] Factor VT-d KVM functions into a generic API

Open Source and information security mailing list archives

Date:	Thu, 27 Nov 2008 16:43:24 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org
CC:	amit.shah@...hat.com, dwmw2@...radead.org, mingo@...hat.com,
	weidong.han@...el.com, avi@...hat.com
Subject: Re: [osrc-patches] [PATCH 0/9] Factor VT-d KVM functions into a generic API

On Thu, Nov 27, 2008 at 04:40:45PM +0100, Joerg Roedel wrote:
> Hi,
> 
> this patch series makes the current KVM device passthrough code generic
> enough so that other IOMMU implementation can also plug into this code.
> It works by factoring the functions Vt-d code exports to KVM into a
> generic interface which allows different backends.
> 
> This a basic implementation of a generic interface. It can and should be
> improved later to support more types of hardware IOMMUs then VT-d and
> AMD IOMMU.
> 
> Since I have no VT-d hardware available these patches are only compile
> tested for now.
> 
> Please review, comment and test these patches.

For testing, the patches can be pulled against avi/master from

git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git iommu-api

> 
> Thanks,
> 
> Joerg
> 
> diffstat:
> 
>  arch/ia64/Kconfig               |    3 +
>  arch/ia64/kvm/Makefile          |    2 +-
>  arch/x86/Kconfig                |    3 +
>  arch/x86/include/asm/kvm_host.h |    3 +-
>  arch/x86/kvm/Makefile           |    2 +-
>  drivers/base/Makefile           |    1 +
>  drivers/base/iommu.c            |   94 +++++++++++++++++++
>  drivers/pci/intel-iommu.c       |   91 ++++++++++++++++++
>  include/linux/iommu.h           |  100 ++++++++++++++++++++
>  virt/kvm/iommu.c                |  193 +++++++++++++++++++++++++++++++++++++++
>  virt/kvm/vtd.c                  |  191 --------------------------------------
> 
> 
> _______________________________________________
> osrc-patches mailing list
> osrc-patches@...e.amd.com
> https://ddcwww.amd.com/mailman/listinfo/osrc-patches

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