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

From: Jason Gunthorpe <jgg@nvidia.com>
To: iommu@lists.linux.dev, Kevin Tian <kevin.tian@intel.com>,
	linux-kselftest@vger.kernel.org, Shuah Khan <shuah@kernel.org>
Cc: Nicolin Chen <nicolinc@nvidia.com>, Yi Liu <yi.l.liu@intel.com>
Subject: [PATCH v2 7/7] iommufd/selftest: Add a selftest for iommufd_device_attach() with a hwpt argument
Date: Wed, 22 Feb 2023 17:02:40 -0400	[thread overview]
Message-ID: <7-v2-406f7ac07936+6a-iommufd_hwpt_jgg@nvidia.com> (raw)
In-Reply-To: <0-v2-406f7ac07936+6a-iommufd_hwpt_jgg@nvidia.com>

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

