compute-runtime/level_zero/sysman/source/sysman_driver_handle_imp.cpp

94 lines
2.7 KiB
C++

/*
* Copyright (C) 2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/sysman/source/sysman_driver_handle_imp.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/os_interface/os_interface.h"
#include "level_zero/sysman/source/sysman_device.h"
#include "level_zero/sysman/source/sysman_driver.h"
#include <cstring>
#include <vector>
namespace L0 {
namespace Sysman {
struct SysmanDriverHandleImp *GlobalSysmanDriver;
SysmanDriverHandleImp::SysmanDriverHandleImp() = default;
ze_result_t SysmanDriverHandleImp::initialize(NEO::ExecutionEnvironment &executionEnvironment) {
for (uint32_t rootDeviceIndex = 0u; rootDeviceIndex < executionEnvironment.rootDeviceEnvironments.size(); rootDeviceIndex++) {
if (!executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->getHardwareInfo()->capabilityTable.levelZeroSupported) {
continue;
}
auto pSysmanDevice = SysmanDevice::create(executionEnvironment, rootDeviceIndex);
if (pSysmanDevice != nullptr) {
this->sysmanDevices.push_back(pSysmanDevice);
}
}
if (this->sysmanDevices.size() == 0) {
return ZE_RESULT_ERROR_UNINITIALIZED;
}
this->numDevices = static_cast<uint32_t>(this->sysmanDevices.size());
return ZE_RESULT_SUCCESS;
}
SysmanDriverHandle *SysmanDriverHandle::create(NEO::ExecutionEnvironment &executionEnvironment, ze_result_t *returnValue) {
SysmanDriverHandleImp *driverHandle = new SysmanDriverHandleImp;
UNRECOVERABLE_IF(nullptr == driverHandle);
ze_result_t res = driverHandle->initialize(executionEnvironment);
if (res != ZE_RESULT_SUCCESS) {
delete driverHandle;
driverHandle = nullptr;
*returnValue = res;
return nullptr;
}
GlobalSysmanDriver = driverHandle;
*returnValue = res;
return driverHandle;
}
ze_result_t SysmanDriverHandleImp::getDevice(uint32_t *pCount, zes_device_handle_t *phDevices) {
if (*pCount == 0) {
*pCount = this->numDevices;
return ZE_RESULT_SUCCESS;
}
if (*pCount > this->numDevices) {
*pCount = this->numDevices;
}
if (phDevices == nullptr) {
return ZE_RESULT_ERROR_INVALID_NULL_HANDLE;
}
for (uint32_t i = 0; i < *pCount; i++) {
phDevices[i] = this->sysmanDevices[i];
}
return ZE_RESULT_SUCCESS;
}
SysmanDriverHandleImp::~SysmanDriverHandleImp() {
for (auto &device : this->sysmanDevices) {
delete device;
}
this->sysmanDevices.clear();
}
} // namespace Sysman
} // namespace L0