From: Jarkko Sakkinen <jarkko@kernel.org>
To: Shuah Khan <skhan@linuxfoundation.org>
Cc: x86@kernel.org, linux-sgx@vger.kernel.org,
linux-kernel@vger.kernel.org, Shuah Khan <shuah@kernel.org>,
linux-kselftest@vger.kernel.org,
Jethro Beekman <jethro@fortanix.com>,
akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com,
asapek@google.com, bp@alien8.de, cedric.xing@intel.com,
chenalexchen@google.com, conradparker@google.com,
cyhanish@google.com, dave.hansen@intel.com,
haitao.huang@intel.com, kai.huang@intel.com, kai.svahn@intel.com,
kmoy@google.com, ludloff@google.com, luto@kernel.org,
nhorman@redhat.com, npmccallum@redhat.com, puiterwijk@redhat.com,
rientjes@google.com, sean.j.christopherson@intel.com,
tglx@linutronix.de, yaozhangx@google.com, mikko.ylinen@intel.com
Subject: Re: [PATCH v41 20/24] selftests/x86: Add a selftest for SGX
Date: Tue, 17 Nov 2020 21:42:17 +0200 [thread overview]
Message-ID: <20201117194217.GG10393@kernel.org> (raw)
In-Reply-To: <e58ee564-597a-336e-53dc-7c4d172d51f5@linuxfoundation.org>
On Mon, Nov 16, 2020 at 11:19:12AM -0700, Shuah Khan wrote:
> On 11/12/20 3:01 PM, Jarkko Sakkinen wrote:
> > Add a selftest for SGX. It is a trivial test where a simple enclave copies
> > one 64-bit word of memory between two memory locations, but ensures that
> > all SGX hardware and software infrastructure is functioning.
> >
> > Cc: Shuah Khan <shuah@kernel.org>
> > Cc: linux-kselftest@vger.kernel.org
> > Acked-by: Jethro Beekman <jethro@fortanix.com> # v40
> > Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
> > ---
> > Changes from v40:
> > * Remove $(OUTPUT)/test_encl.elf from TEST_CUSTOM_PROGS, as otherwise
> > run_tests tries to execute it. Add it as a build dependency.
> > * Use the correct device path, /dev/sgx_enclave, instead of
> > /dev/sgx/enclave.
> > * Return kselftest framework expected return codes.
> >
> > tools/testing/selftests/Makefile | 1 +
> > tools/testing/selftests/sgx/.gitignore | 2 +
> > tools/testing/selftests/sgx/Makefile | 53 +++
> > tools/testing/selftests/sgx/call.S | 44 ++
> > tools/testing/selftests/sgx/defines.h | 21 +
> > tools/testing/selftests/sgx/load.c | 277 +++++++++++++
> > tools/testing/selftests/sgx/main.c | 246 +++++++++++
> > tools/testing/selftests/sgx/main.h | 38 ++
> > tools/testing/selftests/sgx/sigstruct.c | 391 ++++++++++++++++++
> > tools/testing/selftests/sgx/test_encl.c | 20 +
> > tools/testing/selftests/sgx/test_encl.lds | 40 ++
> > .../selftests/sgx/test_encl_bootstrap.S | 89 ++++
> > 12 files changed, 1222 insertions(+)
> > create mode 100644 tools/testing/selftests/sgx/.gitignore
> > create mode 100644 tools/testing/selftests/sgx/Makefile
> > create mode 100644 tools/testing/selftests/sgx/call.S
> > create mode 100644 tools/testing/selftests/sgx/defines.h
> > create mode 100644 tools/testing/selftests/sgx/load.c
> > create mode 100644 tools/testing/selftests/sgx/main.c
> > create mode 100644 tools/testing/selftests/sgx/main.h
> > create mode 100644 tools/testing/selftests/sgx/sigstruct.c
> > create mode 100644 tools/testing/selftests/sgx/test_encl.c
> > create mode 100644 tools/testing/selftests/sgx/test_encl.lds
> > create mode 100644 tools/testing/selftests/sgx/test_encl_bootstrap.S
> >
> > diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> > index d9c283503159..aa06e3ea0250 100644
> > --- a/tools/testing/selftests/Makefile
> > +++ b/tools/testing/selftests/Makefile
> > @@ -68,6 +68,7 @@ TARGETS += user
> > TARGETS += vm
> > TARGETS += x86
> > TARGETS += zram
> > +TARGETS += sgx
> > #Please keep the TARGETS list alphabetically sorted
>
> Please keep the list sorted alphabetically as stated
> in the comment above.
>
>
> > +}
> > +
> > +int main(int argc, char *argv[], char *envp[])
> > +{
> > + struct sgx_enclave_run run;
> > + struct vdso_symtab symtab;
> > + Elf64_Sym *eenter_sym;
> > + uint64_t result = 0;
> > + struct encl encl;
> > + unsigned int i;
> > + void *addr;
> > + int ret;
> > +
> > + memset(&run, 0, sizeof(run));
> > +
> > + if (!encl_load("test_encl.elf", &encl)) {
> > + encl_delete(&encl);
> > + ksft_exit_skip("cannot load enclaves\n");
> > + }
> > +
> > + if (!encl_measure(&encl))
> > + goto err;
> > +
> > + if (!encl_build(&encl))
> > + goto err;
> > +
> > + /*
> > + * An enclave consumer only must do this.
> > + */
> > + for (i = 0; i < encl.nr_segments; i++) {
> > + struct encl_segment *seg = &encl.segment_tbl[i];
> > +
> > + addr = mmap((void *)encl.encl_base + seg->offset, seg->size,
> > + seg->prot, MAP_SHARED | MAP_FIXED, encl.fd, 0);
> > + if (addr == MAP_FAILED) {
> > + fprintf(stderr, "mmap() failed, errno=%d.\n", errno);
> > + exit(1);
>
> This should be KSFT_FAIL.
>
> thanks,
> -- Shuah
Thanks.
/Jarkko
next prev parent reply other threads:[~2020-11-17 19:43 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 22:01 [PATCH v41 00/24] Intel SGX foundations Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 01/24] x86/sgx: Add SGX architectural data structures Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 02/24] x86/sgx: Add wrappers for ENCLS functions Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 03/24] x86/cpufeatures: x86/msr: Add Intel SGX hardware bits Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 04/24] x86/cpufeatures: x86/msr: Add Intel SGX Launch Control " Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 05/24] x86/sgx: Initialize metadata for Enclave Page Cache (EPC) sections Jarkko Sakkinen
2020-11-16 22:25 ` [PATCH] x86/sgx: clarify 'laundry_list' locking Dave Hansen
2020-11-17 19:29 ` Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 06/24] x86/mm: x86/sgx: Signal SIGSEGV with PF_SGX Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 07/24] x86/cpu/intel: Detect SGX support Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 08/24] x86/cpu/intel: Add nosgx kernel parameter Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 09/24] x86/sgx: Add SGX page allocator functions Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 10/24] mm: Add 'mprotect' hook to struct vm_operations_struct Jarkko Sakkinen
2020-11-13 10:25 ` Mel Gorman
2020-11-17 18:16 ` Jarkko Sakkinen
2020-11-15 17:08 ` Dr. Greg
2020-11-15 17:32 ` Matthew Wilcox
2020-11-15 18:36 ` Dave Hansen
2020-11-16 10:09 ` Mel Gorman
2020-11-17 19:15 ` Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 11/24] x86/sgx: Add SGX misc driver interface Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 12/24] x86/sgx: Add SGX_IOC_ENCLAVE_CREATE Jarkko Sakkinen
[not found] ` <20201115044044.11040-1-hdanton@sina.com>
2020-11-17 17:35 ` Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 13/24] x86/sgx: Add SGX_IOC_ENCLAVE_ADD_PAGES Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 14/24] x86/sgx: Add SGX_IOC_ENCLAVE_INIT Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 15/24] x86/sgx: Add SGX_IOC_ENCLAVE_PROVISION Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 16/24] x86/vdso: Add support for exception fixup in vDSO functions Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 17/24] x86/fault: Add helper function to sanitize error code Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 18/24] x86/traps: Attempt to fixup exceptions in vDSO before signaling Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 19/24] x86/vdso: Implement a vDSO for Intel SGX enclave call Jarkko Sakkinen
2020-11-17 13:14 ` Borislav Petkov
2020-11-17 19:41 ` Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 20/24] selftests/x86: Add a selftest for SGX Jarkko Sakkinen
2020-11-16 18:19 ` Shuah Khan
2020-11-17 13:22 ` Borislav Petkov
2020-11-17 19:42 ` Jarkko Sakkinen [this message]
2020-11-17 17:26 ` Borislav Petkov
2020-11-17 21:27 ` Jarkko Sakkinen
2020-11-17 21:38 ` Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 21/24] x86/sgx: Add a page reclaimer Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 22/24] x86/sgx: Add ptrace() support for the SGX driver Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 23/24] docs: x86/sgx: Document SGX kernel architecture Jarkko Sakkinen
2020-11-12 22:01 ` [PATCH v41 24/24] x86/sgx: Update MAINTAINERS Jarkko Sakkinen
2020-11-16 16:55 ` [PATCH v41 00/24] Intel SGX foundations Borislav Petkov
2020-11-16 17:21 ` Dave Hansen
2020-11-16 17:28 ` Borislav Petkov
2020-11-17 19:20 ` Jarkko Sakkinen
[not found] ` <20201114084211.5284-1-hdanton@sina.com>
2020-11-16 18:33 ` [PATCH v41 05/24] x86/sgx: Initialize metadata for Enclave Page Cache (EPC) sections Dave Hansen
[not found] ` <20201115040127.7804-1-hdanton@sina.com>
2020-11-16 21:11 ` [PATCH v41 11/24] x86/sgx: Add SGX misc driver interface Dave Hansen
[not found] ` <20201114090708.8684-1-hdanton@sina.com>
2020-11-17 18:12 ` [PATCH v41 06/24] x86/mm: x86/sgx: Signal SIGSEGV with PF_SGX Jarkko Sakkinen
[not found] ` <20201114093256.7800-1-hdanton@sina.com>
2020-11-17 18:14 ` [PATCH v41 09/24] x86/sgx: Add SGX page allocator functions Jarkko Sakkinen
[not found] ` <20201115030548.1572-1-hdanton@sina.com>
2020-11-17 18:22 ` [PATCH v41 10/24] mm: Add 'mprotect' hook to struct vm_operations_struct Jarkko Sakkinen
2020-12-15 5:38 ` [PATCH v41 00/24] Intel SGX foundations Hui, Chunyang
2020-12-15 5:43 ` Hui, Chunyang
2020-12-15 15:58 ` Jarkko Sakkinen
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