71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*
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* Copyright (C) 2017-2020 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "core/debug_settings/debug_settings_manager.h"
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#include "core/execution_environment/root_device_environment.h"
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#include "core/helpers/hw_info.h"
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#include "core/os_interface/hw_info_config.h"
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#include "core/os_interface/linux/drm_neo.h"
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#include "core/os_interface/linux/os_interface.h"
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#include "runtime/device/cl_device.h"
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#include "runtime/execution_environment/execution_environment.h"
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#include "runtime/os_interface/device_factory.h"
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#include "runtime/os_interface/linux/drm_memory_operations_handler.h"
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#include "drm/i915_drm.h"
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namespace NEO {
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size_t DeviceFactory::numDevices = 0;
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bool DeviceFactory::getDevices(size_t &numDevices, ExecutionEnvironment &executionEnvironment) {
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unsigned int devNum = 0;
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size_t numRootDevices = 1;
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if (DebugManager.flags.CreateMultipleRootDevices.get()) {
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numRootDevices = DebugManager.flags.CreateMultipleRootDevices.get();
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}
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executionEnvironment.prepareRootDeviceEnvironments(static_cast<uint32_t>(numRootDevices));
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for (auto rootDeviceIndex = 0u; rootDeviceIndex < numRootDevices; rootDeviceIndex++) {
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Drm *drm = Drm::create(devNum, *executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]);
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if (!drm) {
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return false;
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}
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executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->memoryOperationsInterface = std::make_unique<DrmMemoryOperationsHandler>();
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executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->osInterface.reset(new OSInterface());
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executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->osInterface->get()->setDrm(drm);
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}
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auto hardwareInfo = executionEnvironment.getMutableHardwareInfo();
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const HardwareInfo *pCurrDevice = platformDevices[devNum];
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HwInfoConfig *hwConfig = HwInfoConfig::get(pCurrDevice->platform.eProductFamily);
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if (hwConfig->configureHwInfo(pCurrDevice, hardwareInfo, executionEnvironment.rootDeviceEnvironments[0]->osInterface.get())) {
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return false;
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}
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executionEnvironment.calculateMaxOsContextCount();
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numDevices = numRootDevices;
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DeviceFactory::numDevices = numDevices;
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return true;
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}
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void DeviceFactory::releaseDevices() {
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if (DeviceFactory::numDevices > 0) {
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for (unsigned int i = 0; i < DeviceFactory::numDevices; ++i) {
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Drm::closeDevice(i);
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}
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}
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DeviceFactory::numDevices = 0;
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}
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void ClDevice::initializeCaps() {
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}
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} // namespace NEO
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