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SubjectRe: [PATCH v6 6/6] iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl
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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@nvidia.com>
>>
>> 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@nvidia.com>
>> Signed-off-by: Yi Liu <yi.l.liu@intel.com>
>> ---
>> 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.

--
Regards,
Yi Liu

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