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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/command_stream/thread_arbitration_policy.h"
#include "shared/source/device_binary_format/device_binary_formats.h"
#include "shared/source/helpers/definitions/command_encoder_args.h"
#include "shared/source/helpers/non_copyable_or_moveable.h"
#include "shared/source/kernel/debug_data.h"
#include "shared/source/kernel/grf_config.h"
#include "shared/source/kernel/kernel_arg_descriptor.h"
#include "shared/source/kernel/kernel_arg_metadata.h"
#include <array>
#include <cstddef>
#include <memory>
#include <mutex>
#include <unordered_map>
#include <vector>
namespace NEO {
using StringMap = std::unordered_map<uint32_t, std::string>;
using BindlessToSurfaceStateMap = std::unordered_map<CrossThreadDataOffset, uint32_t>;
using InstructionsSegmentOffset = uint16_t;
struct KernelDescriptorExt;
KernelDescriptorExt *allocateKernelDescriptorExt();
void freeKernelDescriptorExt(KernelDescriptorExt *);
struct KernelDescriptor : NEO::NonCopyableAndNonMovableClass {
static bool isBindlessAddressingKernel(const KernelDescriptor &desc);
enum AddressingMode : uint8_t {
AddrNone,
Stateless,
Bindful,
Bindless,
BindfulAndStateless,
BindlessAndStateless
};
KernelDescriptor() {
kernelDescriptorExt = allocateKernelDescriptorExt();
}
virtual ~KernelDescriptor() {
freeKernelDescriptorExt(kernelDescriptorExt);
}
KernelDescriptorExt *kernelDescriptorExt = nullptr;
void updateCrossThreadDataSize();
void initBindlessOffsetToSurfaceState();
const BindlessToSurfaceStateMap &getBindlessOffsetToSurfaceState() const {
return bindlessArgsMap;
}
uint16_t getPerThreadDataOffset() const {
return kernelAttributes.crossThreadDataSize - std::min(kernelAttributes.crossThreadDataSize, kernelAttributes.inlineDataPayloadSize);
}
struct KernelAttributes {
uint32_t slmInlineSize = 0U;
uint32_t perThreadScratchSize[2] = {0U, 0U};
uint32_t perHwThreadPrivateMemorySize = 0U;
uint32_t perThreadSystemThreadSurfaceSize = 0U;
uint32_t numThreadsRequired = 0u;
uint32_t spillFillScratchMemorySize = 0u;
uint32_t privateScratchMemorySize = 0u;
uint32_t localRegionSize = NEO::localRegionSizeParamNotSet;
NEO::RequiredDispatchWalkOrder dispatchWalkOrder = NEO::RequiredDispatchWalkOrder::none;
NEO::RequiredPartitionDim partitionDim = NEO::RequiredPartitionDim::none;
ThreadArbitrationPolicy threadArbitrationPolicy = NotPresent;
uint16_t requiredWorkgroupSize[3] = {0U, 0U, 0U};
uint16_t crossThreadDataSize = 0U;
uint16_t inlineDataPayloadSize = 0U;
uint16_t perThreadDataSize = 0U;
uint16_t numArgsToPatch = 0U;
uint16_t numGrfRequired = GrfConfig::defaultGrfNumber;
uint16_t numArgsStateful = 0U;
uint8_t barrierCount = 0u;
bool hasNonKernelArgLoad = false;
bool hasNonKernelArgStore = false;
bool hasNonKernelArgAtomic = false;
bool hasIndirectStatelessAccess = false;
bool hasIndirectAccessInImplicitArg = false;
bool hasImageWriteArg = false;
AddressingMode bufferAddressingMode = BindfulAndStateless;
AddressingMode imageAddressingMode = Bindful;
AddressingMode samplerAddressingMode = Bindful;
DeviceBinaryFormat binaryFormat = DeviceBinaryFormat::unknown;
uint8_t workgroupWalkOrder[3] = {0, 1, 2};
uint8_t workgroupDimensionsOrder[3] = {0, 1, 2};
uint8_t gpuPointerSize = 0;
uint8_t simdSize = 8;
uint8_t numLocalIdChannels = 0;
uint8_t localId[3] = {0U, 0U, 0U};
bool supportsBuffersBiggerThan4Gb() const {
return Stateless == bufferAddressingMode;
}
bool usesBarriers() const {
return 0 != barrierCount;
}
union {
struct {
// 0
bool usesSystolicPipelineSelectMode : 1;
bool usesStringMapForPrintf : 1;
bool usesPrintf : 1;
bool usesFencesForReadWriteImages : 1;
bool usesFlattenedLocalIds : 1;
bool usesPrivateMemory : 1;
bool usesImages : 1;
bool usesSamplers : 1;
// 1
bool usesSyncBuffer : 1;
bool hasIndirectCalls : 1;
bool usesStatelessWrites : 1;
bool passInlineData : 1;
bool perThreadDataHeaderIsPresent : 1;
bool perThreadDataUnusedGrfIsPresent : 1;
bool requiresDisabledEUFusion : 1;
bool requiresDisabledMidThreadPreemption : 1;
// 2
bool requiresSubgroupIndependentForwardProgress : 1;
bool requiresWorkgroupWalkOrder : 1;
bool requiresImplicitArgs : 1;
bool useStackCalls : 1;
bool hasRTCalls : 1;
bool isInvalid : 1;
bool hasSample : 1;
bool usesAssert : 1;
// 3
bool usesRegionGroupBarrier : 1;
bool hasPrintfCalls : 1;
bool reserved : 6;
};
std::array<bool, 4> packed;
} flags = {};
static_assert(sizeof(KernelAttributes::flags) == sizeof(KernelAttributes::flags.packed), "");
bool usesStringMap() const {
if (binaryFormat == DeviceBinaryFormat::patchtokens) {
return flags.usesStringMapForPrintf || flags.requiresImplicitArgs;
}
return false;
}
} kernelAttributes;
struct {
InstructionsSegmentOffset skipPerThreadDataLoad = 0U;
InstructionsSegmentOffset skipSetFFIDGP = 0U;
InstructionsSegmentOffset systemKernel = 0U;
} entryPoints;
struct PayloadMappings {
struct {
CrossThreadDataOffset globalWorkOffset[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset globalWorkSize[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset localWorkSize[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset localWorkSize2[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset enqueuedLocalWorkSize[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset numWorkGroups[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset workDim = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset regionGroupSize[3] = {undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>, undefined<CrossThreadDataOffset>};
CrossThreadDataOffset regionGroupDimension = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset regionGroupWgCount = undefined<CrossThreadDataOffset>;
} dispatchTraits;
struct {
SurfaceStateHeapOffset tableOffset = undefined<SurfaceStateHeapOffset>;
uint8_t numEntries = 0;
} bindingTable;
struct {
DynamicStateHeapOffset tableOffset = undefined<DynamicStateHeapOffset>;
DynamicStateHeapOffset borderColor = undefined<DynamicStateHeapOffset>;
uint8_t numSamplers = 0;
} samplerTable;
StackVec<ArgDescriptor, 16> explicitArgs;
struct {
ArgDescPointer printfSurfaceAddress;
ArgDescPointer globalVariablesSurfaceAddress;
ArgDescPointer globalConstantsSurfaceAddress;
ArgDescPointer privateMemoryAddress;
ArgDescPointer deviceSideEnqueueDefaultQueueSurfaceAddress;
ArgDescPointer systemThreadSurfaceAddress;
ArgDescPointer syncBufferAddress;
ArgDescPointer rtDispatchGlobals;
ArgDescPointer assertBufferAddress;
ArgDescPointer regionGroupBarrierBuffer;
CrossThreadDataOffset privateMemorySize = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset maxWorkGroupSize = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset simdSize = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset deviceSideEnqueueParentEvent = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset preferredWkgMultiple = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset localMemoryStatelessWindowSize = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset localMemoryStatelessWindowStartAddres = undefined<CrossThreadDataOffset>;
CrossThreadDataOffset implicitArgsBuffer = undefined<CrossThreadDataOffset>;
ArgDescInlineDataPointer indirectDataPointerAddress;
ArgDescInlineDataPointer scratchPointerAddress;
} implicitArgs;
} payloadMappings;
StackVec<const ArgDescPointer *, 8> getImplicitArgBindlessCandidatesVec() const {
StackVec<const ArgDescPointer *, 8> implicitArgsVec({&payloadMappings.implicitArgs.printfSurfaceAddress,
&payloadMappings.implicitArgs.globalVariablesSurfaceAddress,
&payloadMappings.implicitArgs.globalConstantsSurfaceAddress,
&payloadMappings.implicitArgs.privateMemoryAddress,
&payloadMappings.implicitArgs.systemThreadSurfaceAddress,
&payloadMappings.implicitArgs.syncBufferAddress,
&payloadMappings.implicitArgs.rtDispatchGlobals,
&payloadMappings.implicitArgs.assertBufferAddress});
return implicitArgsVec;
}
std::vector<ArgTypeMetadataExtended> explicitArgsExtendedMetadata;
struct InlineSampler {
enum class AddrMode : uint8_t {
none,
repeat,
clampEdge,
clampBorder,
mirror
};
enum class FilterMode : uint8_t {
nearest,
linear
};
static constexpr size_t borderColorStateSize = 64U;
static constexpr size_t samplerStateSize = 16U;
uint32_t samplerIndex;
bool isNormalized;
AddrMode addrMode;
FilterMode filterMode;
CrossThreadDataOffset bindless = undefined<CrossThreadDataOffset>;
uint8_t size = undefined<uint8_t>;
constexpr uint32_t getSamplerBindfulOffset() const {
return borderColorStateSize + samplerStateSize * samplerIndex;
}
};
std::vector<InlineSampler> inlineSamplers;
struct {
std::string kernelName;
std::string kernelLanguageAttributes;
StringMap printfStringsMap;
uint16_t compiledSubGroupsNumber = 0U;
uint8_t requiredSubGroupSize = 0U;
uint8_t requiredThreadGroupDispatchSize = 0U;
uint8_t indirectAccessBuffer = 0u;
bool isGeneratedByIgc = true;
} kernelMetadata;
struct {
std::unique_ptr<DebugData> debugData;
std::unique_ptr<uint8_t[]> relocatedDebugData;
const void *igcInfoForGtpin = nullptr;
} external;
std::vector<uint8_t> generatedSsh;
std::vector<uint8_t> generatedDsh;
BindlessToSurfaceStateMap bindlessArgsMap;
std::once_flag initBindlessArgsMapOnce;
};
static_assert(NEO::NonCopyableAndNonMovable<KernelDescriptor>);
} // namespace NEO
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