Re: [PATCH v6 09/10] iommufd/selftest: Add vIOMMU coverage for IOMMU_HWPT_INVALIDATE ioctl

On Wed, Oct 30, 2024 at 02:35:35PM -0700, Nicolin Chen wrote:

Add a viommu_cache test function to cover vIOMMU invalidations using the updated IOMMU_HWPT_INVALIDATE ioctl, which now allows passing in a vIOMMU via its hwpt_id field.

Reviewed-by: Kevin Tian kevin.tian@intel.com Signed-off-by: Nicolin Chen nicolinc@nvidia.com

---

tools/testing/selftests/iommu/iommufd_utils.h | 32 ++++ tools/testing/selftests/iommu/iommufd.c | 173 ++++++++++++++++++ 2 files changed, 205 insertions(+)

Reviewed-by: Jason Gunthorpe jgg@nvidia.com

Jason