94 lines
4.1 KiB
C++
94 lines
4.1 KiB
C++
/*
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* Copyright (C) 2020-2023 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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#pragma once
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#include "shared/source/helpers/definitions/engine_group_types.h"
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#include "shared/source/helpers/device_bitfield.h"
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#include <cstdint>
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#include <limits>
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inline constexpr bool is32bit = (sizeof(void *) == 4);
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inline constexpr bool is64bit = (sizeof(void *) == 8);
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inline constexpr NEO::DeviceBitfield systemMemoryBitfield(0b0);
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constexpr uint64_t maxNBitValue(uint64_t n) {
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return ((n == 64) ? std::numeric_limits<uint64_t>::max()
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: ((1ULL << n) - 1));
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}
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static_assert(maxNBitValue(8) == std::numeric_limits<uint8_t>::max(), "");
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static_assert(maxNBitValue(16) == std::numeric_limits<uint16_t>::max(), "");
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static_assert(maxNBitValue(32) == std::numeric_limits<uint32_t>::max(), "");
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static_assert(maxNBitValue(64) == std::numeric_limits<uint64_t>::max(), "");
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namespace MemoryConstants {
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inline constexpr uint64_t zoneHigh = ~(uint64_t)0xFFFFFFFF;
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inline constexpr uint64_t kiloByte = 1024;
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inline constexpr uint64_t kiloByteShiftSize = 10;
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inline constexpr uint64_t megaByte = 1024 * kiloByte;
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inline constexpr uint64_t gigaByte = 1024 * megaByte;
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inline constexpr uint64_t teraByte = 1024 * gigaByte;
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inline constexpr size_t minBufferAlignment = 4;
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inline constexpr size_t cacheLineSize = 64;
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inline constexpr size_t pageSize = 4 * kiloByte;
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inline constexpr size_t pageSize64k = 64 * kiloByte;
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inline constexpr size_t pageSize2M = 2 * megaByte;
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inline constexpr size_t preferredAlignment = pageSize; // alignment preferred for performance reasons, i.e. internal allocations
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inline constexpr size_t allocationAlignment = pageSize; // alignment required to gratify incoming pointer, i.e. passed host_ptr
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inline constexpr size_t slmWindowAlignment = 128 * kiloByte;
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inline constexpr size_t slmWindowSize = 64 * kiloByte;
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inline constexpr uintptr_t pageMask = (pageSize - 1);
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inline constexpr uintptr_t page64kMask = (pageSize64k - 1);
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inline constexpr uint64_t max32BitAppAddress = maxNBitValue(31);
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inline constexpr uint64_t max64BitAppAddress = maxNBitValue(47);
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inline constexpr uint32_t sizeOf4GBinPageEntities = (MemoryConstants::gigaByte * 4 - MemoryConstants::pageSize) / MemoryConstants::pageSize;
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inline constexpr uint64_t max32BitAddress = maxNBitValue(32);
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inline constexpr uint64_t max36BitAddress = (maxNBitValue(36));
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inline constexpr uint64_t max48BitAddress = maxNBitValue(48);
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inline constexpr uintptr_t page4kEntryMask = std::numeric_limits<uintptr_t>::max() & ~MemoryConstants::pageMask;
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inline constexpr uintptr_t page64kEntryMask = std::numeric_limits<uintptr_t>::max() & ~MemoryConstants::page64kMask;
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inline constexpr int gfxAddressBits = is64bit ? 48 : 32;
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inline constexpr uint64_t maxSvmAddress = is64bit ? maxNBitValue(47) : maxNBitValue(32);
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inline constexpr size_t chunkThreshold = MemoryConstants::pageSize64k;
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} // namespace MemoryConstants
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namespace BlitterConstants {
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inline constexpr uint64_t maxBlitWidth = 0x4000;
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inline constexpr uint64_t maxBlitHeight = 0x4000;
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inline constexpr uint64_t maxBlitSetWidth = 0x1FF80; // 0x20000 aligned to 128
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inline constexpr uint64_t maxBlitSetHeight = 0x1FFC0; // 0x20000 aligned to cacheline size
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inline constexpr uint64_t maxBytesPerPixel = 0x10;
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enum class BlitDirection : uint32_t {
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bufferToHostPtr,
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hostPtrToBuffer,
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bufferToBuffer,
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hostPtrToImage,
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imageToHostPtr,
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imageToImage
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};
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enum PostBlitMode : int32_t {
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defaultMode = -1,
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miArbCheck = 0,
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miFlush = 1,
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none = 2
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};
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} // namespace BlitterConstants
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namespace CommonConstants {
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inline constexpr uint64_t unsupportedPatIndex = std::numeric_limits<uint64_t>::max();
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inline constexpr uint32_t unspecifiedDeviceIndex = std::numeric_limits<uint32_t>::max();
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inline constexpr uint32_t invalidStepping = std::numeric_limits<uint32_t>::max();
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inline constexpr uint32_t invalidRevisionID = std::numeric_limits<uint16_t>::max();
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inline constexpr uint32_t maximalSimdSize = 32;
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inline constexpr uint32_t maximalSizeOfAtomicType = 8;
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inline constexpr uint32_t engineGroupCount = static_cast<uint32_t>(NEO::EngineGroupType::maxEngineGroups);
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} // namespace CommonConstants
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