Add linux_driver_stack tests

Change-Id: I303f1424eb46576847312672f7ed5ac03c05aee1

6 files changed, 244 insertions, 9 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 603e19b..f2a121d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,11 +46,11 @@ if(BUILD_KERNEL)
     add_subdirectory(kernel)
 endif()
 
-if (BUILD_MAILBOX)
+if(BUILD_MAILBOX)
     add_subdirectory(mailbox)
 endif()
 
-if (BUILD_REMOTEPROC)
+if(BUILD_REMOTEPROC)
     add_subdirectory(remoteproc)
 endif()
 
@@ -59,3 +59,8 @@ add_subdirectory(driver_library)
 
 # Build utils
 add_subdirectory(utils)
+
+# Build tests
+if(ETHOSU_TARGET_NPU_CONFIG)
+    add_subdirectory(tests)
+endif()
diff --git a/driver_library/include/ethosu.hpp b/driver_library/include/ethosu.hpp
index da8dbbd..74f8abb 100644
--- a/driver_library/include/ethosu.hpp
+++ b/driver_library/include/ethosu.hpp
@@ -81,10 +81,10 @@ std::ostream &operator<<(std::ostream &out, const SemanticVersion &v);
  */
 struct HardwareId {
 public:
-    HardwareId(uint32_t _versionStatus,
-               const SemanticVersion &_version,
-               const SemanticVersion &_product,
-               const SemanticVersion &_architecture) :
+    HardwareId(uint32_t _versionStatus              = 0,
+               const SemanticVersion &_version      = SemanticVersion(),
+               const SemanticVersion &_product      = SemanticVersion(),
+               const SemanticVersion &_architecture = SemanticVersion()) :
         versionStatus(_versionStatus),
         version(_version), product(_product), architecture(_architecture) {}
 
@@ -102,7 +102,7 @@ public:
  */
 struct HardwareConfiguration {
 public:
-    HardwareConfiguration(uint32_t _macsPerClockCycle, uint32_t _cmdStreamVersion, bool _customDma) :
+    HardwareConfiguration(uint32_t _macsPerClockCycle = 0, uint32_t _cmdStreamVersion = 0, bool _customDma = false) :
         macsPerClockCycle(_macsPerClockCycle), cmdStreamVersion(_cmdStreamVersion), customDma(_customDma) {}
 
     uint32_t macsPerClockCycle;
@@ -118,6 +118,7 @@ public:
  */
 class Capabilities {
 public:
+    Capabilities() {}
     Capabilities(const HardwareId &_hwId, const HardwareConfiguration &_hwCfg, const SemanticVersion &_driver) :
         hwId(_hwId), hwCfg(_hwCfg), driver(_driver) {}
 
diff --git a/driver_library/src/ethosu.cpp b/driver_library/src/ethosu.cpp
index 662fed7..16b9654 100644
--- a/driver_library/src/ethosu.cpp
+++ b/driver_library/src/ethosu.cpp
@@ -489,7 +489,7 @@ bool Inference::wait(int64_t timeoutNanos) const {
 
     // if timeout negative wait forever
     if (timeoutNanos < 0) {
-        return eppoll(&pfd, 1, NULL, NULL);
+        return eppoll(&pfd, 1, NULL, NULL) == 0;
     }
 
     struct timespec tmo_p;
diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt
index 6d2beb5..236b0ea 100644
--- a/kernel/CMakeLists.txt
+++ b/kernel/CMakeLists.txt
@@ -17,7 +17,7 @@
 #
 # SPDX-License-Identifier: GPL-2.0-only
 #
- 
+
 cmake_minimum_required(VERSION 3.0.2)
 
 # Set the project name and version
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
new file mode 100644
index 0000000..37b7d8b
--- /dev/null
+++ b/tests/CMakeLists.txt
@@ -0,0 +1,37 @@
+#
+# Copyright (c) 2022 Arm Limited.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the License); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an AS IS BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set(CORE_PLATFORM_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../core_platform)
+
+file(GLOB models LIST_DIRECTORIES true "${CORE_PLATFORM_PATH}/applications/baremetal/models/${ETHOSU_TARGET_NPU_CONFIG}/*")
+
+# Build executable
+foreach(model ${models})
+    get_filename_component(modelname ${model} NAME)
+
+    add_executable(lds_${modelname}_tests "main.cpp")
+
+    target_include_directories(lds_${modelname}_tests PRIVATE
+        ${model})
+
+    # Link agains ethosu library
+    target_link_libraries(lds_${modelname}_tests PRIVATE ethosu)
+
+    # Install target
+    install(TARGETS lds_${modelname}_tests DESTINATION "bin")
+endforeach()
diff --git a/tests/main.cpp b/tests/main.cpp
new file mode 100644
index 0000000..43300d3
--- /dev/null
+++ b/tests/main.cpp
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2022 Arm Limited.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ethosu.hpp>
+#include <uapi/ethosu.h>
+
+#include <cstring>
+#include <iostream>
+#include <list>
+#include <memory>
+#include <sstream>
+#include <stdio.h>
+#include <string>
+#include <unistd.h>
+
+#include "input.h"
+#include "model.h"
+#include "output.h"
+
+#define TEST_ASSERT(v)                                                                             \
+    do {                                                                                           \
+        if (!(v)) {                                                                                \
+            throw TestFailureException(__FILE__, ":", __LINE__, " ERROR test failed: '", #v, "'"); \
+        }                                                                                          \
+    } while (0)
+
+#define FAIL() TEST_ASSERT(false)
+
+using namespace EthosU;
+
+namespace {
+
+int64_t defaultTimeout = 60000000000;
+
+template <typename... Args>
+std::string string_format(std::ostringstream &stringStream) {
+    return stringStream.str();
+}
+
+template <typename T, typename... Args>
+std::string string_format(std::ostringstream &stringStream, T t, Args... args) {
+    stringStream << t;
+    return string_format(stringStream, args...);
+}
+
+class TestFailureException : public std::exception {
+public:
+    template <typename... Args>
+    TestFailureException(const char *msg, Args... args) {
+        std::ostringstream stringStream;
+        this->msg = string_format(stringStream, msg, args...);
+    }
+    const char *what() const throw() {
+        return msg.c_str();
+    }
+
+private:
+    std::string msg;
+};
+
+void testPing(const Device &device) {
+    int r;
+    try {
+        r = device.ioctl(ETHOSU_IOCTL_PING);
+    } catch (std::exception &e) { throw TestFailureException("Ping test: ", e.what()); }
+
+    TEST_ASSERT(r == 0);
+}
+
+void testVersion(const Device &device) {
+    int r;
+    try {
+        r = device.ioctl(ETHOSU_IOCTL_VERSION_REQ);
+    } catch (std::exception &e) { throw TestFailureException("Version test: ", e.what()); }
+
+    TEST_ASSERT(r == 0);
+}
+
+void testCapabilties(const Device &device) {
+    Capabilities capabilities;
+    try {
+        capabilities = device.capabilities();
+    } catch (std::exception &e) { throw TestFailureException("Capabilities test: ", e.what()); }
+
+    TEST_ASSERT(capabilities.hwId.architecture > SemanticVersion());
+}
+
+void testNetworkInfoNotExistentIndex(const Device &device) {
+    try {
+        Network(device, 0);
+        FAIL();
+    } catch (Exception &e) {
+        // good it should have thrown
+    } catch (std::exception &e) { throw TestFailureException("NetworkInfo no index test: ", e.what()); }
+}
+
+void testNetworkInfoBuffer(const Device &device) {
+    try {
+        std::shared_ptr<Buffer> buffer = std::make_shared<Buffer>(device, sizeof(networkModelData));
+        buffer->resize(sizeof(networkModelData));
+        std::memcpy(buffer->data(), networkModelData, sizeof(networkModelData));
+        Network network(device, buffer);
+
+        TEST_ASSERT(network.getIfmDims().size() == 1);
+        TEST_ASSERT(network.getOfmDims().size() == 1);
+    } catch (std::exception &e) { throw TestFailureException("NetworkInfo buffer test: ", e.what()); }
+}
+
+void testNetworkInfoUnparsableBuffer(const Device &device) {
+    try {
+        auto buffer = std::make_shared<Buffer>(device, sizeof(networkModelData) / 4);
+        buffer->resize(sizeof(networkModelData) / 4);
+        std::memcpy(buffer->data(), networkModelData + sizeof(networkModelData) / 4, sizeof(networkModelData) / 4);
+
+        try {
+            Network network(device, buffer);
+            FAIL();
+        } catch (Exception) {
+            // good, it should have thrown!
+        }
+    } catch (std::exception &e) { throw TestFailureException("NetworkInfo unparsable buffer test: ", e.what()); }
+}
+
+void testRunInferenceBuffer(const Device &device) {
+    try {
+        auto networkBuffer = std::make_shared<Buffer>(device, sizeof(networkModelData));
+        networkBuffer->resize(sizeof(networkModelData));
+        std::memcpy(networkBuffer->data(), networkModelData, sizeof(networkModelData));
+        auto network = std::make_shared<Network>(device, networkBuffer);
+
+        std::vector<std::shared_ptr<Buffer>> inputBuffers;
+        std::vector<std::shared_ptr<Buffer>> outputBuffers;
+
+        auto inputBuffer = std::make_shared<Buffer>(device, sizeof(inputData));
+        inputBuffer->resize(sizeof(inputData));
+        std::memcpy(inputBuffer->data(), inputData, sizeof(inputData));
+
+        inputBuffers.push_back(inputBuffer);
+        outputBuffers.push_back(std::make_shared<Buffer>(device, sizeof(expectedOutputData)));
+        std::vector<uint8_t> enabledCounters(Inference::getMaxPmuEventCounters());
+
+        auto inference = std::make_shared<Inference>(network,
+                                                     inputBuffers.begin(),
+                                                     inputBuffers.end(),
+                                                     outputBuffers.begin(),
+                                                     outputBuffers.end(),
+                                                     enabledCounters,
+                                                     false);
+
+        bool timedout = inference->wait(defaultTimeout);
+        TEST_ASSERT(!timedout);
+
+        TEST_ASSERT(std::memcmp(expectedOutputData, outputBuffers[0]->data(), sizeof(expectedOutputData)) == 0);
+
+    } catch (std::exception &e) { throw TestFailureException("Inference run test: ", e.what()); }
+}
+
+} // namespace
+
+int main() {
+    Device device;
+
+    try {
+        testPing(device);
+        testVersion(device);
+        testCapabilties(device);
+        testNetworkInfoNotExistentIndex(device);
+        testNetworkInfoBuffer(device);
+        testNetworkInfoUnparsableBuffer(device);
+        testRunInferenceBuffer(device);
+    } catch (TestFailureException &e) {
+        std::cerr << "Test failure: " << e.what() << std::endl;
+        return 1;
+    }
+
+    return 0;
+}