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

From: Jason Gunthorpe
Date: Thu Oct 31 2024 - 11:37:08 EST


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@xxxxxxxxx>
> Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>

Jason