[Qemu-devel] [PATCH v3 0/3] IOMMU: Add Support to VFIO devices with vIOMMU present

[Aviv B.D]

From: "Aviv Ben-David" <address@hidden>

* Advertize Cache Mode capability in iommu cap register.
* Register every VFIO device with IOMMU state.
* On page cache invalidation in vIOMMU, check if the domain belong to
  VFIO device and mirror the guest requests to host.

Changes from v1 to v2:
* remove assumption that the cache do not clears
* fix lockup on high load.

Changes from v2 to v3:
* remove debug leftovers
* split to sepearate commits
* change is_write to flags in vtd_do_iommu_translate, add IOMMU_NO_FAIL 
  to suppress error propagating to guest.


Aviv Ben-David (3):
  IOMMU: add VTD_CAP_VM to vIOMMU capability exposed to guest
  IOMMU: change iommu_op->translate's is_write to flags, add support to
    NO_FAIL flag mode
  IOMMU: Integrate between VFIO and vIOMMU to support device assignment

 exec.c                         |   2 +-
 hw/i386/intel_iommu.c          | 137 ++++++++++++++++++++++++++++++++---------
 hw/i386/intel_iommu_internal.h |   3 +
 hw/vfio/common.c               |  11 +++-
 include/exec/memory.h          |   4 +-
 include/hw/i386/intel_iommu.h  |   4 ++
 include/hw/vfio/vfio-common.h  |   1 +
 memory.c                       |   2 +-
 8 files changed, 129 insertions(+), 35 deletions(-)

-- 
1.9.1