compute-runtime/runtime/os_interface/linux/device_factory_linux.cpp

86 lines
2.4 KiB
C++

/*
* Copyright (C) 2017-2018 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "runtime/helpers/hw_info.h"
#include "runtime/helpers/options.h"
#include "runtime/os_interface/device_factory.h"
#include "runtime/os_interface/linux/drm_neo.h"
#include "runtime/os_interface/hw_info_config.h"
#include "runtime/os_interface/linux/os_interface.h"
#include "drm/i915_drm.h"
#include "runtime/gmm_helper/gmm_helper.h"
#include "runtime/device/device.h"
#include <vector>
#include <cstring>
namespace OCLRT {
size_t DeviceFactory::numDevices = 0;
HardwareInfo *DeviceFactory::hwInfos = nullptr;
bool DeviceFactory::getDevices(HardwareInfo **pHWInfos, size_t &numDevices, ExecutionEnvironment &executionEnvironment) {
std::vector<HardwareInfo> tHwInfos;
unsigned int devNum = 0;
size_t requiredDeviceCount = 1;
if (DebugManager.flags.CreateMultipleDevices.get()) {
requiredDeviceCount = DebugManager.flags.CreateMultipleDevices.get();
}
Drm *drm = Drm::create(devNum);
if (!drm) {
return false;
}
executionEnvironment.osInterface.reset(new OSInterface());
executionEnvironment.osInterface->get()->setDrm(drm);
const HardwareInfo *pCurrDevice = platformDevices[devNum];
while (devNum < requiredDeviceCount) {
HardwareInfo tmpHwInfo;
HwInfoConfig *hwConfig = HwInfoConfig::get(pCurrDevice->pPlatform->eProductFamily);
if (hwConfig->configureHwInfo(pCurrDevice, &tmpHwInfo, executionEnvironment.osInterface.get())) {
return false;
}
tHwInfos.push_back(tmpHwInfo);
devNum++;
}
HardwareInfo *ptr = new HardwareInfo[devNum];
for (size_t i = 0; i < tHwInfos.size(); i++)
ptr[i] = tHwInfos[i];
numDevices = devNum;
*pHWInfos = ptr;
DeviceFactory::numDevices = devNum;
DeviceFactory::hwInfos = ptr;
return true;
}
void DeviceFactory::releaseDevices() {
if (DeviceFactory::numDevices > 0) {
for (unsigned int i = 0; i < DeviceFactory::numDevices; ++i) {
Drm::closeDevice(i);
delete hwInfos[i].pSysInfo;
delete hwInfos[i].pSkuTable;
delete hwInfos[i].pWaTable;
delete hwInfos[i].pPlatform;
}
delete[] hwInfos;
}
DeviceFactory::hwInfos = nullptr;
DeviceFactory::numDevices = 0;
}
void Device::appendOSExtensions(std::string &deviceExtensions) {
}
} // namespace OCLRT