linux-kernel - Fwd: VT-d2 support inside Linux kernel

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Message-ID: <CAOzbF4ctakHk7afYqXumMQe-b5C_40Cz9ewPdQiYvf6xXK2+qg@mail.gmail.com>
Date:	Fri, 8 Jul 2011 02:54:09 -0700
From:	Cyclonus J <cyclonusj@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	kvm@...r.kernel.org
Subject: Fwd: VT-d2 support inside Linux kernel

Hi,

I think since this work is marked WIP in Linux kernel on current KVM
TODO list. This might be a better list to ask questions.

So,  in current top of tree, I am seeing some ats support for
intel-iommu. Does that mean the ATS part is already finished?
Basically, I would like to know the current status of VT-d2 support,
anything left?

Thanks,
CJ

---------- Forwarded message ----------
From: Cyclonus J <cyclonusj@...il.com>
Date: Fri, Jul 1, 2011 at 1:54 AM
Subject: VT-d2 support inside Linux kernel
To: kvm@...r.kernel.org

Hi,

Is there any information I can find about VT-d2 support inside Linux
kernel? It was marked as WIP on KVM todo list. In current top of tree,
I am seeing some ats support for intel-iommu. Does that mean the ATS
part is already finished?

> git log -p -1 93a23a72
commit 93a23a7271dfb811b3adb72779054c3a24433112
Author: Yu Zhao <yu.zhao@...el.com>
Date:   Mon May 18 13:51:37 2009 +0800

   VT-d: support the device IOTLB

   Enable the device IOTLB (i.e. ATS) for both the bare metal and KVM
   environments.

   Signed-off-by: Yu Zhao <yu.zhao@...el.com>
   Signed-off-by: David Woodhouse <David.Woodhouse@...el.com>

Thanks,
CJ
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