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    SubjectRe: [PATCH 0/12] Factor VT-d KVM functions into a generic API (with multiple device assignment support)
    On Tue, Dec 02, 2008 at 07:44:05PM -0800, Greg KH wrote:
    > On Tue, Dec 02, 2008 at 02:01:11PM +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 is the second version of the patchset. The most important change to
    > > the previous version is that this patchset was rebased to the improved
    > > API from Han Weidong which supports multiple devices per IOMMU domain.
    > >
    > > For completeness, this series also includes the patches from Han with
    > > some cleanups. So this patchset can be applied on current avi/master
    > > tree.
    >
    > Have you tried porting any of the current iommu controllers to this new
    > framework to see if it works properly for them?

    It works currently for VT-d. I also port it to AMD IOMMU currently. With
    some extensions (offset for start address, flags and size limitation) it
    is also suitable for IOMMUs like GART or similar ones.

    Joerg


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