On Mon, Dec 11, 2023 at 07:28:42PM +0800, Yi Liu wrote: > On 2023/12/7 02:19, Jason Gunthorpe wrote: > > On Fri, Nov 17, 2023 at 05:07:17AM -0800, Yi Liu wrote: > > > From: Nicolin Chen <nicolinc@xxxxxxxxxx> > > > > > > Add test cases for the IOMMU_HWPT_INVALIDATE ioctl and verify it by using > > > the new IOMMU_TEST_OP_MD_CHECK_IOTLB. > > > > > > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > > > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > > > --- > > > tools/testing/selftests/iommu/iommufd.c | 71 +++++++++++++++++++ > > > tools/testing/selftests/iommu/iommufd_utils.h | 39 ++++++++++ > > > 2 files changed, 110 insertions(+) > > > > > > diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c > > > index c8763b880a16..2781d5bc6309 100644 > > > --- a/tools/testing/selftests/iommu/iommufd.c > > > +++ b/tools/testing/selftests/iommu/iommufd.c > > > @@ -116,6 +116,7 @@ TEST_F(iommufd, cmd_length) > > > TEST_LENGTH(iommu_destroy, IOMMU_DESTROY, id); > > > TEST_LENGTH(iommu_hw_info, IOMMU_GET_HW_INFO, __reserved); > > > TEST_LENGTH(iommu_hwpt_alloc, IOMMU_HWPT_ALLOC, __reserved); > > > + TEST_LENGTH(iommu_hwpt_invalidate, IOMMU_HWPT_INVALIDATE, out_driver_error_code); > > > TEST_LENGTH(iommu_ioas_alloc, IOMMU_IOAS_ALLOC, out_ioas_id); > > > TEST_LENGTH(iommu_ioas_iova_ranges, IOMMU_IOAS_IOVA_RANGES, > > > out_iova_alignment); > > > @@ -271,7 +272,9 @@ TEST_F(iommufd_ioas, alloc_hwpt_nested) > > > struct iommu_hwpt_selftest data = { > > > .iotlb = IOMMU_TEST_IOTLB_DEFAULT, > > > }; > > > + struct iommu_hwpt_invalidate_selftest inv_reqs[2] = {0}; > > > > Don't use {0} > > sure. I'll use memset then. Just use = {} Jason