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/*
* Copyright (C) 2023-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/string.h"
#include "shared/test/common/helpers/default_hw_info.h"
#include "shared/test/common/helpers/variable_backup.h"
#include "shared/test/common/os_interface/linux/sys_calls_linux_ult.h"
#include "level_zero/core/source/driver/driver.h"
#include "level_zero/sysman/source/driver/sysman_driver_handle.h"
#include "level_zero/sysman/source/driver/sysman_driver_handle_imp.h"
#include "level_zero/sysman/test/unit_tests/sources/linux/mock_sysman_driver.h"
#include "level_zero/sysman/test/unit_tests/sources/linux/mock_sysman_drm.h"
#include "level_zero/zes_intel_gpu_sysman.h"
#include "gtest/gtest.h"
#include <cstring>
namespace L0 {
namespace Sysman {
namespace ult {
TEST(zesInit, whenCallingZesInitThenInitializeOnDriverIsCalled) {
MockSysmanDriver driver;
auto result = zesInit(ZE_INIT_FLAG_GPU_ONLY);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1u, driver.initCalledCount);
}
TEST(zesInit, whenCallingZesInitWithNoFlagsThenInitializeOnDriverIsCalled) {
MockSysmanDriver driver;
auto result = zesInit(0);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1u, driver.initCalledCount);
}
TEST(zesInit, whenCallingZesInitWithoutGpuOnlyFlagThenInitializeOnDriverIsNotCalled) {
MockSysmanDriver driver;
auto result = zesInit(ZE_INIT_FLAG_VPU_ONLY);
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, result);
EXPECT_EQ(0u, driver.initCalledCount);
}
TEST(zesInit, whenCallingZesInitWhenDriverInitFailsThenUninitializedIsReturned) {
MockSysmanDriver driver;
driver.useBaseInit = false;
driver.useBaseDriverInit = true;
driver.sysmanInitFail = true;
auto result = zesInit(0);
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, result);
EXPECT_EQ(1u, driver.initCalledCount);
}
TEST(zesInit, whenCallingZesDriverGetWithoutZesInitThenZesDriverGetCallNotSucceed) {
uint32_t count = 0;
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, zesDriverGet(&count, nullptr));
}
struct SysmanDriverTestNoDeviceCreate : public ::testing::Test {
void SetUp() override {
executionEnvironment = new NEO::ExecutionEnvironment();
executionEnvironment->prepareRootDeviceEnvironments(numRootDevices);
for (auto i = 0u; i < executionEnvironment->rootDeviceEnvironments.size(); i++) {
executionEnvironment->rootDeviceEnvironments[i]->setHwInfoAndInitHelpers(NEO::defaultHwInfo.get());
executionEnvironment->rootDeviceEnvironments[i]->osInterface = std::make_unique<NEO::OSInterface>();
executionEnvironment->rootDeviceEnvironments[i]->osInterface->setDriverModel(std::make_unique<SysmanMockDrm>(*executionEnvironment->rootDeviceEnvironments[i]));
}
}
NEO::ExecutionEnvironment *executionEnvironment = nullptr;
const uint32_t numRootDevices = 3u;
};
TEST_F(SysmanDriverTestNoDeviceCreate, GivenReadLinkSysCallFailWhenInitializingSysmanDriverWithArrayOfDevicesThenSysmanDeviceCreateFailAndDriverIsNull) {
VariableBackup<decltype(NEO::SysCalls::sysCallsRealpath)> mockRealPath(&NEO::SysCalls::sysCallsRealpath, [](const char *path, char *buf) -> char * {
constexpr size_t sizeofPath = sizeof("/sys/devices/pci0000:00/0000:00:02.0");
strcpy_s(buf, sizeofPath, "/sys/devices/pci0000:00/0000:00:02.0");
return buf;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsReadlink)> mockReadLink(&NEO::SysCalls::sysCallsReadlink, [](const char *path, char *buf, size_t bufsize) -> int {
return -1;
});
ze_result_t returnValue;
this->executionEnvironment->incRefInternal();
auto driverHandle = L0::Sysman::SysmanDriverHandle::create(*executionEnvironment, &returnValue);
EXPECT_EQ(nullptr, driverHandle);
EXPECT_EQ(returnValue, ZE_RESULT_ERROR_UNINITIALIZED);
this->executionEnvironment->decRefInternal();
}
TEST_F(SysmanDriverTestNoDeviceCreate, GivenRealpathSysCallFailWhenInitializingSysmanDriverWithArrayOfDevicesThenSysmanDeviceCreateFailAndDriverIsNull) {
VariableBackup<decltype(NEO::SysCalls::sysCallsRealpath)> mockRealPath(&NEO::SysCalls::sysCallsRealpath, [](const char *path, char *buf) -> char * {
return nullptr;
});
ze_result_t returnValue;
this->executionEnvironment->incRefInternal();
auto driverHandle = L0::Sysman::SysmanDriverHandle::create(*executionEnvironment, &returnValue);
EXPECT_EQ(nullptr, driverHandle);
EXPECT_EQ(returnValue, ZE_RESULT_ERROR_UNINITIALIZED);
this->executionEnvironment->decRefInternal();
}
struct SysmanDriverHandleTest : public ::testing::Test {
void SetUp() override {
VariableBackup<decltype(NEO::SysCalls::sysCallsRealpath)> mockRealPath(&NEO::SysCalls::sysCallsRealpath, [](const char *path, char *buf) -> char * {
constexpr size_t sizeofPath = sizeof("/sys/devices/pci0000:00/0000:00:02.0");
strcpy_s(buf, sizeofPath, "/sys/devices/pci0000:00/0000:00:02.0");
return buf;
});
VariableBackup<decltype(NEO::SysCalls::sysCallsReadlink)> mockReadLink(&NEO::SysCalls::sysCallsReadlink, [](const char *path, char *buf, size_t bufsize) -> int {
std::string str = "../../devices/pci0000:37/0000:37:01.0/0000:38:00.0/0000:39:01.0/0000:3a:00.0/drm/renderD128";
std::memcpy(buf, str.c_str(), str.size());
return static_cast<int>(str.size());
});
ze_result_t returnValue;
executionEnvironment = new NEO::ExecutionEnvironment();
executionEnvironment->prepareRootDeviceEnvironments(numRootDevices);
for (auto i = 0u; i < executionEnvironment->rootDeviceEnvironments.size(); i++) {
executionEnvironment->rootDeviceEnvironments[i]->setHwInfoAndInitHelpers(NEO::defaultHwInfo.get());
executionEnvironment->rootDeviceEnvironments[i]->osInterface = std::make_unique<NEO::OSInterface>();
executionEnvironment->rootDeviceEnvironments[i]->osInterface->setDriverModel(std::make_unique<SysmanMockDrm>(*executionEnvironment->rootDeviceEnvironments[i]));
}
driverHandle = L0::Sysman::SysmanDriverHandle::create(*executionEnvironment, &returnValue);
L0::Sysman::globalSysmanDriverHandle = driverHandle;
L0::Sysman::driverCount = 1;
L0::Sysman::sysmanOnlyInit = true;
}
void TearDown() override {
if (driverHandle) {
delete driverHandle;
}
L0::Sysman::globalSysmanDriver = nullptr;
L0::Sysman::globalSysmanDriverHandle = nullptr;
L0::Sysman::driverCount = 0;
L0::Sysman::sysmanOnlyInit = false;
}
L0::Sysman::SysmanDriverHandle *driverHandle;
NEO::ExecutionEnvironment *executionEnvironment = nullptr;
const uint32_t numRootDevices = 3u;
};
TEST_F(SysmanDriverHandleTest, givenInitializedDriverWhenZesDriverGetIsCalledThenDriverHandleCountIsObtained) {
uint32_t count = 0;
auto result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
}
TEST_F(SysmanDriverHandleTest,
givenInitializedDriverWhenZesDriverGetIsCalledWithGreaterThanCountAvailableThenCorrectCountIsReturned) {
uint32_t count = 0;
ze_result_t result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
count++;
ze_driver_handle_t driverHandle = {};
result = zesDriverGet(&count, &driverHandle);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
EXPECT_NE(nullptr, driverHandle);
}
TEST_F(SysmanDriverHandleTest,
givenInitializedDriverWhenZesDriverGetIsCalledWithGreaterThanZeroCountAndNullDriverHandleThenInvalidNullPointerIsReturned) {
uint32_t count = 0;
ze_result_t result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_ERROR_INVALID_NULL_POINTER, result);
}
TEST_F(SysmanDriverHandleTest, givenInitializedDriverWhenZesDriverGetIsCalledThenDriverHandleIsObtained) {
ze_result_t result = ZE_RESULT_SUCCESS;
uint32_t count = 0;
result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
ze_driver_handle_t *phDriverHandles = new ze_driver_handle_t[count];
result = zesDriverGet(&count, phDriverHandles);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(driverHandle->toHandle(), phDriverHandles[0]);
delete[] phDriverHandles;
}
TEST_F(SysmanDriverHandleTest, givenInitializedDriverWhenZesDriverGetIsCalledThenGlobalSysmanDriverHandleIsObtained) {
ze_result_t result = ZE_RESULT_SUCCESS;
uint32_t count = 1;
zes_driver_handle_t hDriverHandle = reinterpret_cast<zes_driver_handle_t>(&hDriverHandle);
result = zesDriverGet(&count, &hDriverHandle);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_NE(nullptr, hDriverHandle);
EXPECT_EQ(hDriverHandle, L0::Sysman::globalSysmanDriver);
}
TEST_F(SysmanDriverHandleTest, givenInitializedDriverWhenGetDeviceIsCalledThenOneDeviceIsObtained) {
ze_result_t result = ZE_RESULT_SUCCESS;
uint32_t count = 1;
ze_device_handle_t device;
result = driverHandle->getDevice(&count, &device);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_NE(nullptr, &device);
}
TEST_F(SysmanDriverHandleTest, whenQueryingForDevicesWithCountGreaterThanZeroAndNullDevicePointerThenNullHandleIsReturned) {
uint32_t count = 1;
ze_result_t result = driverHandle->getDevice(&count, nullptr);
EXPECT_EQ(ZE_RESULT_ERROR_INVALID_NULL_HANDLE, result);
}
bool verifyExtensionDefinition(std::vector<zes_driver_extension_properties_t> &extensionsReturned, uint32_t count) {
const std::vector<std::pair<std::string, uint32_t>> supportedExtensions = {
{ZES_DEVICE_ECC_DEFAULT_PROPERTIES_EXT_NAME, ZES_DEVICE_ECC_DEFAULT_PROPERTIES_EXT_VERSION_CURRENT},
{ZES_POWER_LIMITS_EXT_NAME, ZES_POWER_LIMITS_EXT_VERSION_CURRENT},
{ZES_ENGINE_ACTIVITY_EXT_NAME, ZES_ENGINE_ACTIVITY_EXT_VERSION_CURRENT},
{ZES_RAS_GET_STATE_EXP_NAME, ZES_RAS_STATE_EXP_VERSION_CURRENT},
{ZES_MEM_PAGE_OFFLINE_STATE_EXP_NAME, ZES_MEM_PAGE_OFFLINE_STATE_EXP_VERSION_CURRENT},
{ZES_MEMORY_BANDWIDTH_COUNTER_BITS_EXP_PROPERTIES_NAME, ZES_MEM_BANDWIDTH_COUNTER_BITS_EXP_VERSION_CURRENT},
{ZES_SYSMAN_DEVICE_MAPPING_EXP_NAME, ZES_SYSMAN_DEVICE_MAPPING_EXP_VERSION_CURRENT},
{ZES_VIRTUAL_FUNCTION_MANAGEMENT_EXP_NAME, ZES_VF_MANAGEMENT_EXP_VERSION_CURRENT},
{ZES_INTEL_PCI_LINK_SPEED_DOWNGRADE_EXP_STATE_NAME, ZES_INTEL_PCI_LINK_SPEED_DOWNGRADE_EXP_STATE_VERSION_CURRENT},
{ZES_INTEL_PCI_LINK_SPEED_DOWNGRADE_EXP_PROPERTY_NAME, ZES_INTEL_PCI_LINK_SPEED_DOWNGRADE_EXP_PROPERTIES_VERSION_CURRENT},
{ZES_INTEL_DRIVER_NAME_EXP_PROPERTY_NAME, ZES_INTEL_DRIVER_NAME_EXP_PROPERTIES_VERSION_CURRENT}};
for (uint32_t i = 0; i < count; i++) {
if (extensionsReturned[i].name != supportedExtensions[i].first) {
return false;
}
if (extensionsReturned[i].version != supportedExtensions[i].second) {
return false;
}
}
return true;
}
TEST_F(SysmanDriverHandleTest,
givenInitializedDriverWhenzesDriverGetExtensionPropertiesIsCalledThenAllSupportedExtensionsAreReturned) {
uint32_t count = 0;
ze_result_t result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
ze_driver_handle_t driverHandle = {};
result = zesDriverGet(&count, &driverHandle);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_NE(nullptr, driverHandle);
uint32_t pCount = 0;
EXPECT_EQ(ZE_RESULT_SUCCESS, zesDriverGetExtensionProperties(driverHandle, &pCount, nullptr));
EXPECT_GE(pCount, 0u);
std::vector<zes_driver_extension_properties_t> extensionsSupported(pCount);
EXPECT_EQ(ZE_RESULT_SUCCESS, zesDriverGetExtensionProperties(driverHandle, &pCount, extensionsSupported.data()));
EXPECT_TRUE(verifyExtensionDefinition(extensionsSupported, pCount));
}
TEST_F(SysmanDriverHandleTest,
givenInitializedDriverWhenzesDriverGetExtensionPropertiesIsCalledWithInvalidCountThenValidSupportedExtensionsCountIsReturned) {
uint32_t count = 0;
ze_result_t result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
ze_driver_handle_t driverHandle = {};
result = zesDriverGet(&count, &driverHandle);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_NE(nullptr, driverHandle);
uint32_t pCount = 0;
EXPECT_EQ(ZE_RESULT_SUCCESS, zesDriverGetExtensionProperties(driverHandle, &pCount, nullptr));
EXPECT_GE(pCount, 0u);
std::vector<zes_driver_extension_properties_t> extensionsSupported(pCount);
auto actualCount = pCount; // Store the actual count
pCount += 5; // Intentionally increase the count to check if function adjusts it correctly
EXPECT_EQ(ZE_RESULT_SUCCESS, zesDriverGetExtensionProperties(driverHandle, &pCount, extensionsSupported.data()));
EXPECT_EQ(actualCount, pCount);
}
TEST_F(SysmanDriverHandleTest,
givenInitializedDriverWhenzesDriverGetExtensionPropertiesIsCalledWithCountLessThanActualSizeThenSameNumberOfSupportedExtensionsReturned) {
uint32_t count = 0;
ze_result_t result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
ze_driver_handle_t driverHandle = {};
result = zesDriverGet(&count, &driverHandle);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_NE(nullptr, driverHandle);
uint32_t pCount = 0;
EXPECT_EQ(ZE_RESULT_SUCCESS, zesDriverGetExtensionProperties(driverHandle, &pCount, nullptr));
EXPECT_GE(pCount, 0u);
auto actualCount = pCount; // Store the actual count
std::vector<zes_driver_extension_properties_t> extensionsSupported(actualCount);
pCount -= 1; // Intentionally decrease the count to check if function adjusts it correctly
// Filled with invalid data to ensure only valid extensions are filled by driver function
strcpy_s(extensionsSupported[pCount].name, ZES_MAX_EXTENSION_NAME, "Invalid_Extension_Name");
extensionsSupported[pCount].version = 1234;
EXPECT_EQ(ZE_RESULT_SUCCESS, zesDriverGetExtensionProperties(driverHandle, &pCount, extensionsSupported.data()));
EXPECT_EQ(actualCount - 1, pCount);
EXPECT_TRUE(verifyExtensionDefinition(extensionsSupported, pCount));
// Verify that the last entry remains unchanged
EXPECT_EQ(strcmp(extensionsSupported[actualCount - 1].name, "Invalid_Extension_Name"), 0);
EXPECT_EQ(extensionsSupported[actualCount - 1].version, static_cast<uint32_t>(1234));
}
TEST_F(SysmanDriverHandleTest,
givenDriverWhenGetExtensionFunctionAddressIsCalledWithValidAndInvalidFunctionNamesThenCorrectResultIsReturned) {
uint32_t count = 0;
ze_result_t result = zesDriverGet(&count, nullptr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_EQ(1U, count);
ze_driver_handle_t driverHandle = {};
result = zesDriverGet(&count, &driverHandle);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
EXPECT_NE(nullptr, driverHandle);
void *funPtr = nullptr;
result = zesDriverGetExtensionFunctionAddress(driverHandle, "zexDriverImportExternalPointer", &funPtr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
result = zesDriverGetExtensionFunctionAddress(driverHandle, "zesIntelDevicePciLinkSpeedUpdateExp", &funPtr);
EXPECT_EQ(ZE_RESULT_SUCCESS, result);
result = zesDriverGetExtensionFunctionAddress(driverHandle, "zexDriverImportUnKnownPointer", &funPtr);
EXPECT_EQ(ZE_RESULT_ERROR_INVALID_ARGUMENT, result);
}
TEST(SysmanDriverInit, GivenValidSysmanImpObjectWhenCallingInitWithSysmanInitFromCoreSetAsTrueThenSysmanInitFails) {
L0::sysmanInitFromCore = true;
std::unique_ptr<SysmanDriverImp> pSysmanDriverImp = std::make_unique<SysmanDriverImp>();
EXPECT_EQ(ZE_RESULT_ERROR_UNINITIALIZED, pSysmanDriverImp->driverInit());
EXPECT_FALSE(L0::Sysman::sysmanOnlyInit);
L0::sysmanInitFromCore = false;
}
} // namespace ult
} // namespace Sysman
} // namespace L0
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