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Re: [Xen-devel] VT-d HowTo Update

To: Simon Horman <horms@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] VT-d HowTo Update
From: Espen Skoglund <espen.skoglund@xxxxxxxxxxxxx>
Date: Tue, 21 Apr 2009 11:08:39 +0100
Cc: "Han, Weidong" <weidong.han@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Christian Tramnitz <chris.ace@xxxxxxx>, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
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You may also want to mention the various boot time parameters (or at
least some of them).  The following comment is snipped from


 * The 'iommu' parameter enables the IOMMU.  Optional comma separated
 * value may contain:
 *   off|no|false|disable       Disable IOMMU (default)
 *   pv                         Enable IOMMU for PV domains
 *   no-pv                      Disable IOMMU for PV domains (default)
 *   force|required             Don't boot unless IOMMU is enabled
 *   passthrough                Enable VT-d DMA passthrough (no DMA
 *                              translation for Dom0)
 *   no-snoop                   Disable VT-d Snoop Control
 *   no-qinval                  Disable VT-d Queued Invalidation
 *   no-intremap                Disable VT-d Interrupt Remapping

[Simon Horman]
> Hi,
> in preparation for 3.4.0 I have made a number of updates to the VT-d Howto.
> I have tried to retain the original information while reorganising things a
> bit. I have also added information on recent work I have done in this area.

> Apologies in advance for any errors, accidental deletions, etc...

> http://wiki.xensource.com/xenwiki/VTdHowTo

> -- 
> Simon Horman
>   VA Linux Systems Japan K.K. Satellite Lab in Sydney, Australia
>   H: www.vergenet.net/~horms/            W: www.valinux.co.jp/en

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