On Tue, Jun 15, 2021 at 04:14:02PM +0300, Jarkko Sakkinen wrote: > On Mon, Jun 14, 2021 at 02:16:15PM -0600, Shuah Khan wrote: > > On 6/10/21 2:30 AM, Jarkko Sakkinen wrote: > > > Extend the enclave to have two operations: ENCL_OP_PUT and ENCL_OP_GET. > > > ENCL_OP_PUT stores value inside the enclave address space and > > > ENCL_OP_GET reads it. The internal buffer can be later extended to be > > > variable size, and allow reclaimer tests. > > > > > > Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx> > > > --- > > > tools/testing/selftests/sgx/defines.h | 10 ++++ > > > tools/testing/selftests/sgx/main.c | 57 ++++++++++++++++++----- > > > tools/testing/selftests/sgx/test_encl.c | 19 +++++++- > > > tools/testing/selftests/sgx/test_encl.lds | 3 +- > > > 4 files changed, 74 insertions(+), 15 deletions(-) > > > > > > > Test output before applying the series: > > > > TAP version 13 > > 1..1 > > # selftests: sgx: test_sgx > > # Unable to open /dev/sgx_enclave: No such file or directory > > # 1..0 # SKIP cannot load enclaves > > ok 1 selftests: sgx: test_sgx # SKIP > > > > Test output after applying second patch > > > > selftests/sgx: Migrate to kselftest harness > > > > Output changes to the following. It doesn't look like the second > > patch adds any new tests. What is the point in running the tests > > that fail if /dev/sgx_enclave is missing. > > > > Unfortunately this series doesn't have a cover letter that explains > > what this series is doing. I don't like the fact that the test > > output and behavior changes when migrating the test to kselftest > > harness. Shouldn't the output stay the same as in skip the tests > > if /dev/sgx_enclave fails. > > I get what you are saying but actually I do not know how with > fixtures I can skip "the rest" when FIXTURE_SETUP() fails. > > The reason for the output below is that with fixtures for all > tests enclave is initialized for each test case. And it kind of > makes sense because all tests start from the clean expected > state. > > I don't how to do that with zero change in the output. > > The reason to do this change is to make it easy to add more tests, > and return correct status codes to the framework. To add: everything I did I based purely to the existing kernel documentation, following the examples on how to use fixture. /Jarkko