From: "Aviv Ben-David" <[email protected]>
* 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
