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    Subject[PATCH 0/11] Factor VT-d KVM functions into a generic API
    Date
    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 third version of the patchset. I rebased these patches onto
    the 13-patches post of Han Weidongs multiple device assignment work and
    included changes to the commit-messages according the comments I got
    from the review.

    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.

    Thanks,

    Joerg

    diffstat:

    arch/ia64/Kconfig | 3 +
    arch/ia64/include/asm/kvm_host.h | 2 +-
    arch/ia64/kvm/Makefile | 4 +-
    arch/ia64/kvm/kvm-ia64.c | 3 +-
    arch/x86/Kconfig | 3 +
    arch/x86/include/asm/kvm_host.h | 2 +-
    arch/x86/kvm/Makefile | 4 +-
    arch/x86/kvm/x86.c | 3 +-
    drivers/base/Makefile | 1 +
    drivers/base/iommu.c | 100 +++++++++++++++++++++++++++++++
    drivers/pci/intel-iommu.c | 121 ++++++++++++++++++++++---------------
    include/linux/intel-iommu.h | 21 -------
    include/linux/iommu.h | 112 +++++++++++++++++++++++++++++++++++
    include/linux/kvm_host.h | 6 +-
    virt/kvm/{vtd.c => iommu.c} | 45 +++++++--------
    virt/kvm/kvm_main.c | 2 +-
    16 files changed, 326 insertions(+), 106 deletions(-)





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