linux-kernel - Re: [PATCH v6 4/4] iommufd/selftest: Add coverage for IOMMU_GET_HW

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Message-ID: <ZNPCtPTcHvITt6fk@nvidia.com>
Date:   Wed, 9 Aug 2023 13:45:40 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Yi Liu <yi.l.liu@...el.com>
Cc:     joro@...tes.org, alex.williamson@...hat.com, kevin.tian@...el.com,
        robin.murphy@....com, baolu.lu@...ux.intel.com, cohuck@...hat.com,
        eric.auger@...hat.com, nicolinc@...dia.com, kvm@...r.kernel.org,
        mjrosato@...ux.ibm.com, chao.p.peng@...ux.intel.com,
        yi.y.sun@...ux.intel.com, peterx@...hat.com, jasowang@...hat.com,
        shameerali.kolothum.thodi@...wei.com, lulu@...hat.com,
        suravee.suthikulpanit@....com, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        zhenzhong.duan@...el.com
Subject: Re: [PATCH v6 4/4] iommufd/selftest: Add coverage for
 IOMMU_GET_HW_INFO ioctl

On Tue, Aug 08, 2023 at 08:35:10AM -0700, Yi Liu wrote:
> From: Nicolin Chen <nicolinc@...dia.com>
> 
> 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@...dia.com>
> Signed-off-by: Yi Liu <yi.l.liu@...el.com>
> ---
>  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