Re: [PATCH v8 3/4] iommufd/selftest: Add IOMMU_TEST_OP_ACCESS_REPLACE_IOAS coverage

From: Jason Gunthorpe
Date: Wed Jul 26 2023 - 13:04:29 EST


On Mon, Jul 24, 2023 at 12:47:06PM -0700, Nicolin Chen wrote:
> Add a new IOMMU_TEST_OP_ACCESS_REPLACE_IOAS to allow replacing the
> access->ioas, corresponding to the iommufd_access_replace() helper.
>
> Then add a replace coverage as a part of user_copy test case, which
> basically repeats the copy test after replacing the old ioas with a
> new one.
>
> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
> Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>
> ---
> drivers/iommu/iommufd/iommufd_test.h | 4 +++
> drivers/iommu/iommufd/selftest.c | 19 ++++++++++++
> tools/testing/selftests/iommu/iommufd.c | 29 +++++++++++++++++--
> tools/testing/selftests/iommu/iommufd_utils.h | 19 ++++++++++++
> 4 files changed, 69 insertions(+), 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Jason