/* Userspace must destroy both of these IDs to destroy the object */
        cmd->mock_domain.out_hwpt_id = hwpt->obj.id;
-       cmd->mock_domain.out_device_id = sobj->obj.id;
+       cmd->mock_domain.out_stdev_id = sobj->obj.id;
        iommufd_object_finalize(ucmd->ictx, &sobj->obj);
        iommufd_put_object(&ioas->obj);
        return iommufd_ucmd_respond(ucmd, sizeof(*cmd));
 
                                &test_cmd));                                  \
        })
 
-static int _test_cmd_mock_domain(int fd, unsigned int ioas_id, __u32 *device_id,
+static int _test_cmd_mock_domain(int fd, unsigned int ioas_id, __u32 *stdev_id,
                                 __u32 *hwpt_id)
 {
        struct iommu_test_cmd cmd = {
        ret = ioctl(fd, IOMMU_TEST_CMD, &cmd);
        if (ret)
                return ret;
-       if (device_id)
-               *device_id = cmd.mock_domain.out_device_id;
+       if (stdev_id)
+               *stdev_id = cmd.mock_domain.out_stdev_id;
        assert(cmd.id != 0);
        if (hwpt_id)
                *hwpt_id = cmd.mock_domain.out_hwpt_id;
        return 0;
 }
-#define test_cmd_mock_domain(ioas_id, device_id, hwpt_id)                \
-       ASSERT_EQ(0, _test_cmd_mock_domain(self->fd, ioas_id, device_id, \
-                                          hwpt_id))
-#define test_err_mock_domain(_errno, ioas_id, device_id, hwpt_id)     \
+#define test_cmd_mock_domain(ioas_id, stdev_id, hwpt_id) \
+       ASSERT_EQ(0,                                     \
+                 _test_cmd_mock_domain(self->fd, ioas_id, stdev_id, hwpt_id))
+#define test_err_mock_domain(_errno, ioas_id, stdev_id, hwpt_id)      \
        EXPECT_ERRNO(_errno, _test_cmd_mock_domain(self->fd, ioas_id, \
-                                                  device_id, hwpt_id))
+                                                  stdev_id, hwpt_id))
 
 static int _test_cmd_create_access(int fd, unsigned int ioas_id,
                                   __u32 *access_id, unsigned int flags)