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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2023 14:26:35.9616 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8dcfcd80-775e-43fb-9ade-08db1fe11f9e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT019.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5798 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Add replace coverage as a part of user_copy test case. It basically repeats the copy test after replacing the old ioas with a new one. Reviewed-by: Kevin Tian Signed-off-by: Nicolin Chen --- tools/testing/selftests/iommu/iommufd.c | 29 +++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/iommu/iommufd.c b/tools/testing/selftests/iommu/iommufd.c index c07252dbf62d..5c33b6b52c65 100644 --- a/tools/testing/selftests/iommu/iommufd.c +++ b/tools/testing/selftests/iommu/iommufd.c @@ -1252,7 +1252,13 @@ TEST_F(iommufd_mock_domain, user_copy) .dst_iova = MOCK_APERTURE_START, .length = BUFFER_SIZE, }; - unsigned int ioas_id; + struct iommu_ioas_unmap unmap_cmd = { + .size = sizeof(unmap_cmd), + .ioas_id = self->ioas_id, + .iova = MOCK_APERTURE_START, + .length = BUFFER_SIZE, + }; + unsigned int new_ioas_id, ioas_id; /* Pin the pages in an IOAS with no domains then copy to an IOAS with domains */ test_ioctl_ioas_alloc(&ioas_id); @@ -1270,11 +1276,30 @@ TEST_F(iommufd_mock_domain, user_copy) ASSERT_EQ(0, ioctl(self->fd, IOMMU_IOAS_COPY, ©_cmd)); check_mock_iova(buffer, MOCK_APERTURE_START, BUFFER_SIZE); + /* Now replace the ioas with a new one */ + test_ioctl_ioas_alloc(&new_ioas_id); + test_ioctl_ioas_map_id(new_ioas_id, buffer, BUFFER_SIZE, + ©_cmd.src_iova); + test_cmd_access_set_ioas(access_cmd.id, new_ioas_id); + + /* Destroy the old ioas and cleanup copied mapping */ + ASSERT_EQ(0, ioctl(self->fd, IOMMU_IOAS_UNMAP, &unmap_cmd)); + test_ioctl_destroy(ioas_id); + + /* Then run the same test again with the new ioas */ + access_cmd.access_pages.iova = copy_cmd.src_iova; + ASSERT_EQ(0, + ioctl(self->fd, _IOMMU_TEST_CMD(IOMMU_TEST_OP_ACCESS_PAGES), + &access_cmd)); + copy_cmd.src_ioas_id = new_ioas_id; + ASSERT_EQ(0, ioctl(self->fd, IOMMU_IOAS_COPY, ©_cmd)); + check_mock_iova(buffer, MOCK_APERTURE_START, BUFFER_SIZE); + test_cmd_destroy_access_pages( access_cmd.id, access_cmd.access_pages.out_access_pages_id); test_cmd_destroy_access(access_cmd.id); - test_ioctl_destroy(ioas_id); + test_ioctl_destroy(new_ioas_id); } TEST_F(iommufd_mock_domain, replace)