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/*
* Copyright (C) 2020-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/bit_helpers.h"
#include "shared/source/helpers/memory_properties_helpers.h"
#include "shared/source/memory_manager/allocation_properties.h"
#include "memory_properties_flags.h"
namespace NEO {
AllocationProperties MemoryPropertiesHelper::getAllocationProperties(
uint32_t rootDeviceIndex, const MemoryProperties &memoryProperties, bool allocateMemory, size_t size,
AllocationType type, bool multiStorageResource, const HardwareInfo &hwInfo,
DeviceBitfield subDevicesBitfieldParam, bool deviceOnlyVisibilty) {
auto deviceBitfield = adjustDeviceBitfield(rootDeviceIndex, memoryProperties, subDevicesBitfieldParam);
AllocationProperties allocationProperties(rootDeviceIndex, allocateMemory, size, type, multiStorageResource, deviceBitfield);
allocationProperties.flags.resource48Bit = memoryProperties.flags.resource48Bit;
fillPoliciesInProperties(allocationProperties, memoryProperties, hwInfo, deviceOnlyVisibilty);
return allocationProperties;
}
void MemoryPropertiesHelper::fillCachePolicyInProperties(AllocationProperties &allocationProperties, bool uncached, bool readOnly,
bool deviceOnlyVisibilty, uint32_t cacheRegion) {
allocationProperties.flags.uncacheable = uncached;
auto cacheFlushRequired = !uncached && !readOnly && !deviceOnlyVisibilty;
allocationProperties.flags.flushL3RequiredForRead = cacheFlushRequired;
allocationProperties.flags.flushL3RequiredForWrite = cacheFlushRequired;
allocationProperties.cacheRegion = cacheRegion;
}
DeviceBitfield MemoryPropertiesHelper::adjustDeviceBitfield(uint32_t rootDeviceIndex, const MemoryProperties &memoryProperties,
DeviceBitfield deviceBitfieldIn) {
if (rootDeviceIndex == memoryProperties.pDevice->getRootDeviceIndex()) {
return deviceBitfieldIn & memoryProperties.pDevice->getDeviceBitfield();
}
return deviceBitfieldIn;
}
GraphicsAllocation::UsmInitialPlacement MemoryPropertiesHelper::getUSMInitialPlacement(const MemoryProperties &memoryProperties) {
auto initialPlacement = GraphicsAllocation::UsmInitialPlacement::CPU;
if (memoryProperties.allocFlags.usmInitialPlacementGpu) {
initialPlacement = GraphicsAllocation::UsmInitialPlacement::GPU;
}
if (memoryProperties.allocFlags.usmInitialPlacementCpu) {
initialPlacement = GraphicsAllocation::UsmInitialPlacement::CPU;
}
if (const int32_t debugFlag = debugManager.flags.UsmInitialPlacement.get(); debugFlag != -1) {
initialPlacement = debugFlag != 1 ? GraphicsAllocation::UsmInitialPlacement::CPU : GraphicsAllocation::UsmInitialPlacement::GPU;
}
return initialPlacement;
}
void MemoryPropertiesHelper::setUSMInitialPlacement(AllocationProperties &allocationProperties, GraphicsAllocation::UsmInitialPlacement initialPlacement) {
allocationProperties.usmInitialPlacement = initialPlacement;
}
} // namespace NEO
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