[PATCH v2 7/7] iommufd/selftest: Add a selftest for iommufd_device_attach() with a hwpt argument

Jason Gunthorpe
2023-02-22T21:02:53Z

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

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
tools/testing/selftests/iommu/iommufd.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c
index 0c4bbd4079a425..69cb79d6a0711d 100644
--- a/tools/testing/selftests/iommu/iommufd.c
+++ b/tools/testing/selftests/iommu/iommufd.c
@@ -187,6 +187,7 @@ FIXTURE(iommufd_ioas)
int fd;
uint32_t ioas_id;
uint32_t domain_id;
+ uint32_t hwpt_id;
uint64_t base_iova;
};

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

for (i = 0; i != variant->mock_domains; i++) {
- test_cmd_mock_domain(self->ioas_id, NULL, &self->domain_id);
+ test_cmd_mock_domain(self->ioas_id, &self->domain_id, &self->hwpt_id);
self->base_iova = MOCK_APERTURE_START;
}
}
@@ -259,6 +260,16 @@ TEST_F(iommufd_ioas, ioas_destroy)
}
}

+TEST_F(iommufd_ioas, hwpt_attach)
+{
+ /* Create a device attached directly to a hwpt */
+ if (self->domain_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 */
--
2.39.1