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 fourth version of the patchset. I rebased these patches onto
the 17-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 on x86 and ia64 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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