Commit 4ed4791a authored by Jason Gunthorpe's avatar Jason Gunthorpe
Browse files

iommufd/selftest: Add a selftest for iommufd_device_attach() with a hwpt argument 

This can now be covered since we have a full struct device.

Link: https://lore.kernel.org/r/12-v3-ae9c2975a131+2e1e8-iommufd_hwpt_jgg@nvidia.com


Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 65c619ae

tools/testing/selftests/iommu/iommufd.c

+13 −1
Original line number Diff line number Diff line
@@ -187,6 +187,7 @@ FIXTURE(iommufd_ioas) 
	int fd;

	uint32_t ioas_id;

	uint32_t stdev_id;

	uint32_t hwpt_id;

	uint64_t base_iova;

};
@@ -212,7 +213,8 @@ FIXTURE_SETUP(iommufd_ioas) 
	}



	for (i = 0; i != variant->mock_domains; i++) {

		test_cmd_mock_domain(self->ioas_id, &self->stdev_id, NULL);

		test_cmd_mock_domain(self->ioas_id, &self->stdev_id,

				     &self->hwpt_id);

		self->base_iova = MOCK_APERTURE_START;

	}

}
@@ -259,6 +261,16 @@ TEST_F(iommufd_ioas, ioas_destroy) 
	}

}



TEST_F(iommufd_ioas, hwpt_attach)

{

	/* Create a device attached directly to a hwpt */

	if (self->stdev_id) {

		test_cmd_mock_domain(self->hwpt_id, NULL, NULL);

	} else {

		test_err_mock_domain(ENOENT, self->hwpt_id, NULL, NULL);

	}

}



TEST_F(iommufd_ioas, ioas_area_destroy)

{

	/* Adding an area does not change ability to destroy */