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xen-devel
Re: [Xen-devel] [PATCH 0/2] graphics passthrough with VT-d
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To: |
"Lin, Ben Y" <ben.y.lin@xxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [PATCH 0/2] graphics passthrough with VT-d |
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From: |
Jun Koi <junkoi2004@xxxxxxxxx> |
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Date: |
Tue, 22 Sep 2009 02:05:46 +0900 |
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Cc: |
"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, "Han, Weidong" <weidong.han@xxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, Guyader <Jean.Guyader@xxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>, "bengheng@xxxxxxxxxxxxxx" <bengheng@xxxxxxxxxxxxxx> |
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Mon, 21 Sep 2009 10:06:24 -0700 |
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<715D42877B251141A38726ABF5CABF2C054B533681@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <alpine.DEB.2.00.0909161512390.24685@kaball-desktop> <4D05DB80B95B23498C72C700BD6C2E0B33D53D9F@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> |
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hi Lin,
2009/9/17 Lin, Ben Y <ben.y.lin@xxxxxxxxx>:
> One shortcoming of VGA resource remapping is that the host domain could not
> use console anymore.
>
> Here is what we did before in XEN:
> Pass-through the Discrete graphics card into guest as the primary graphics
> card, and used the emulated VGA controller for this graphics card in the
> guest. In other words, graphics card in the guest = physical graphics card
> (3D computing) + emulated VGA controller.
>
> This solution could avoid of VGA resource remapping, and the host domain
> could use the console as usual.
This is cool! I am wondering how we can separate 3D access and VGA
controller access, so we can direct some access to physical stuff, and
the other to emulated controller??
What is the current status of this project?
Thanks,
J
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