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Message-ID: <BN9PR11MB5276E70BEC76AB3D96CCF5028C01A@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Thu, 27 Jul 2023 08:14:45 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     "Liu, Yi L" <yi.l.liu@...el.com>,
        "joro@...tes.org" <joro@...tes.org>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "jgg@...dia.com" <jgg@...dia.com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>
CC:     "cohuck@...hat.com" <cohuck@...hat.com>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "nicolinc@...dia.com" <nicolinc@...dia.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "mjrosato@...ux.ibm.com" <mjrosato@...ux.ibm.com>,
        "chao.p.peng@...ux.intel.com" <chao.p.peng@...ux.intel.com>,
        "yi.y.sun@...ux.intel.com" <yi.y.sun@...ux.intel.com>,
        "peterx@...hat.com" <peterx@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "shameerali.kolothum.thodi@...wei.com" 
        <shameerali.kolothum.thodi@...wei.com>,
        "lulu@...hat.com" <lulu@...hat.com>,
        "suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        "Duan, Zhenzhong" <zhenzhong.duan@...el.com>
Subject: RE: [PATCH v4 4/4] iommufd/selftest: Add coverage for
 IOMMU_GET_HW_INFO ioctl

> From: Liu, Yi L <yi.l.liu@...el.com>
> Sent: Monday, July 24, 2023 7:00 PM
> 
> --- a/drivers/iommu/iommufd/device.c
> +++ b/drivers/iommu/iommufd/device.c
> @@ -8,6 +8,7 @@
> 
>  #include "io_pagetable.h"
>  #include "iommufd_private.h"
> +#include "iommufd_test.h"

Is it stale?

> @@ -211,7 +213,7 @@ FIXTURE_SETUP(iommufd_ioas)
> 
>  	for (i = 0; i != variant->mock_domains; i++) {
>  		test_cmd_mock_domain(self->ioas_id, &self->stdev_id,
> -				     &self->hwpt_id, NULL);
> +				     &self->hwpt_id, &self->device_id);
>  		self->base_iova = MOCK_APERTURE_START;
>  	}
>  }
> @@ -290,6 +292,19 @@ TEST_F(iommufd_ioas, ioas_area_auto_destroy)
>  	}
>  }
> 
> +TEST_F(iommufd_ioas, get_hw_info)
> +{
> +	struct iommu_test_hw_info info;
> +
> +	if (self->device_id) {
> +		test_cmd_get_hw_info(self->device_id, sizeof(info), &info);
> +		assert(info.test_reg ==
> IOMMU_HW_INFO_SELFTEST_REGVAL);
> +	} else {
> +		test_err_get_hw_info(ENOENT, self->device_id,
> +				     sizeof(info), &info);
> +	}

If self->device_id is invalid it should be reported right after
test_cmd_mock_domain()?

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