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/*
* Copyright (C) 2024-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/constants.h"
#include "shared/source/helpers/non_copyable_or_moveable.h"
#include "shared/source/utilities/buffer_pool_allocator.h"
#include "shared/source/utilities/shared_pool_allocation.h"
#include <mutex>
namespace NEO {
class GraphicsAllocation;
class Device;
using SharedIsaAllocation = SharedPoolAllocation;
// Each shared GA is maintained by single ISAPool
class ISAPool : public AbstractBuffersPool<ISAPool, GraphicsAllocation> {
using BaseType = AbstractBuffersPool<ISAPool, GraphicsAllocation>;
public:
ISAPool(ISAPool &&pool) noexcept;
ISAPool &operator=(ISAPool &&other) = delete;
ISAPool(Device *device, bool isBuiltin, size_t storageSize);
~ISAPool() override;
SharedIsaAllocation *allocateISA(size_t requestedSize) const;
const StackVec<GraphicsAllocation *, 1> &getAllocationsVector();
bool isBuiltinPool() const { return isBuiltin; }
private:
Device *device;
bool isBuiltin;
StackVec<GraphicsAllocation *, 1> stackVec;
std::unique_ptr<std::mutex> mtx;
};
class ISAPoolAllocator : public AbstractBuffersAllocator<ISAPool, GraphicsAllocation> {
public:
ISAPoolAllocator(Device *device);
SharedIsaAllocation *requestGraphicsAllocationForIsa(bool isBuiltin, size_t sizeWithPadding);
void freeSharedIsaAllocation(SharedIsaAllocation *sharedIsaAllocation);
private:
SharedIsaAllocation *tryAllocateISA(bool isBuiltin, size_t size);
size_t getAllocationSize(bool isBuiltin) const {
return isBuiltin ? buitinAllocationSize : userAllocationSize;
}
Device *device;
size_t userAllocationSize = MemoryConstants::pageSize2M * 2;
size_t buitinAllocationSize = MemoryConstants::pageSize64k;
std::mutex allocatorMtx;
};
static_assert(NEO::NonCopyable<ISAPool>);
} // namespace NEO
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