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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/common_types.h"
#include "shared/source/memory_manager/multi_graphics_allocation.h"
#include "shared/source/utilities/spinlock.h"
#include <level_zero/ze_api.h>
#include <cstdint>
#include <map>
#include <mutex>
#include <vector>
namespace NEO {
class GraphicsAllocation;
class MemoryManager;
} // namespace NEO
namespace L0 {
struct Device;
struct HostPointerData {
HostPointerData(uint32_t maxRootDeviceIndex)
: hostPtrAllocations(maxRootDeviceIndex),
maxRootDeviceIndex(maxRootDeviceIndex) {
}
HostPointerData(const HostPointerData &hostPtrData)
: HostPointerData(hostPtrData.maxRootDeviceIndex) {
basePtr = hostPtrData.basePtr;
size = hostPtrData.size;
for (auto allocation : hostPtrData.hostPtrAllocations.getGraphicsAllocations()) {
if (allocation) {
this->hostPtrAllocations.addAllocation(allocation);
}
}
}
NEO::MultiGraphicsAllocation hostPtrAllocations;
void *basePtr = nullptr;
size_t size = 0u;
protected:
const uint32_t maxRootDeviceIndex;
};
class HostPointerManager {
public:
class MapBasedAllocationTracker {
friend class HostPointerManager;
public:
using HostPointerContainer = std::map<const void *, HostPointerData>;
void insert(HostPointerData allocationsData);
void remove(const void *ptr);
HostPointerData *get(const void *ptr);
size_t getNumAllocs() const { return allocations.size(); };
protected:
HostPointerContainer allocations;
};
HostPointerManager(NEO::MemoryManager *memoryManager);
virtual ~HostPointerManager();
ze_result_t createHostPointerMultiAllocation(std::vector<Device *> &devices, void *ptr, size_t size);
HostPointerData *getHostPointerAllocation(const void *ptr);
bool freeHostPointerAllocation(void *ptr);
protected:
NEO::GraphicsAllocation *createHostPointerAllocation(uint32_t rootDeviceIndex,
void *ptr,
size_t size,
const NEO::DeviceBitfield &deviceBitfield);
MapBasedAllocationTracker hostPointerAllocations;
NEO::MemoryManager *memoryManager;
NEO::SpinLock mtx;
};
} // namespace L0
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