Re: [PATCH v6 4/4] iommufd/selftest: Add coverage for IOMMU_GET_HW_INFO ioctl

[Jason Gunthorpe]

On Tue, Aug 08, 2023 at 08:35:10AM -0700, Yi Liu wrote:
> From: Nicolin Chen <nicolinc@xxxxxxxxxx>
> 
> Add a mock_domain_hw_info function and an iommu_test_hw_info data
> structure. This allows to test the IOMMU_GET_HW_INFO ioctl passing
> the test_reg value for the mock_dev.
> 
> Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
> Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>
> ---
>  drivers/iommu/iommufd/iommufd_test.h          |  9 +++++++
>  drivers/iommu/iommufd/selftest.c              | 16 ++++++++++++
>  tools/testing/selftests/iommu/iommufd.c       | 17 +++++++++++-
>  tools/testing/selftests/iommu/iommufd_utils.h | 26 +++++++++++++++++++
>  4 files changed, 67 insertions(+), 1 deletion(-)

Don't forget to add it to fail_nth

Jason