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/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/ptr_math.h"
#include "shared/source/indirect_heap/indirect_heap.h"
#include "shared/source/kernel/kernel_arg_descriptor.h"
#include "level_zero/core/source/cmdlist/cmdlist.h"
#include "level_zero/core/source/mutable_cmdlist/mutable_cmdlist.h"
#include "level_zero/core/source/mutable_cmdlist/usage.h"
#include "level_zero/core/source/mutable_cmdlist/variable.h"
#include "level_zero/experimental/source/mutable_cmdlist/program/mcl_decoder.h"
namespace L0::MCL {
using State = VariableDescriptor::State;
Variable *Variable::createFromInfo(ze_command_list_handle_t hCmdList, Program::Decoder::VarInfo &varInfo) {
auto var = new Variable(MutableCommandList::fromHandle(hCmdList));
auto &desc = var->getDesc();
desc.type = varInfo.type;
desc.size = varInfo.size;
desc.isTemporary = varInfo.tmp;
desc.isScalable = varInfo.scalable;
desc.name = varInfo.name;
if (varInfo.type == VariableType::buffer) {
var->setBufferUsages(std::move(varInfo.bufferUsages));
} else if (varInfo.type == VariableType::value) {
var->setValueUsages(std::move(varInfo.valueUsages));
}
desc.apiVariable = true;
return var;
}
ze_result_t Variable::addKernelArgUsageImmediateAsContinuous(const NEO::ArgDescriptor &kernelArg, IndirectObjectHeapOffset iohOffset, IndirectObjectHeapOffset iohFullOffset,
CommandBufferOffset walkerCmdOffset, MutableComputeWalker *mutableComputeWalker, bool inlineData) {
const auto &arg = kernelArg.as<NEO::ArgDescValue>();
size_t fullSize = 0U;
size_t startOffset = arg.elements[0].offset;
bool isContinuous = true;
for (auto &ele : arg.elements) {
isContinuous &= (ele.sourceOffset == fullSize);
isContinuous &= ((ele.offset - startOffset) == fullSize);
fullSize += ele.size;
}
if (false == isContinuous) {
return ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
if (inlineData) {
auto inlineSize = mutableComputeWalker->getInlineDataSize();
if (startOffset < inlineSize) {
valueUsages.commandBufferOffsets.push_back(walkerCmdOffset + mutableComputeWalker->getInlineDataOffset() + startOffset);
auto walkerInlineFullOffset = reinterpret_cast<CommandBufferOffset>(mutableComputeWalker->getInlineDataPointer()) + startOffset;
valueUsages.commandBufferWithoutOffset.push_back(walkerInlineFullOffset);
// check immediate variable fits only in inline
if (startOffset + fullSize <= inlineSize) {
// full size immediate fits in inline
valueUsages.commandBufferPatchSize.push_back(fullSize);
} else {
size_t csSize = inlineSize - startOffset;
valueUsages.commandBufferPatchSize.push_back(csSize);
// cross-thread continues at the starts of heap chunk
valueUsages.statelessIndirect.push_back(iohOffset);
valueUsages.statelessWithoutOffset.push_back(iohFullOffset);
size_t heapSize = (startOffset + fullSize) - inlineSize;
valueUsages.statelessIndirectPatchSize.push_back(heapSize);
}
} else {
// immediate fits only in cross-thread, just decrease start offset by inline size
startOffset -= inlineSize;
valueUsages.statelessIndirect.push_back(iohOffset + startOffset);
valueUsages.statelessWithoutOffset.push_back(iohFullOffset + startOffset);
valueUsages.statelessIndirectPatchSize.push_back(fullSize);
}
} else {
valueUsages.statelessIndirect.push_back(iohOffset + startOffset);
valueUsages.statelessWithoutOffset.push_back(iohFullOffset + startOffset);
valueUsages.statelessIndirectPatchSize.push_back(fullSize);
}
desc.size = fullSize;
return ZE_RESULT_SUCCESS;
}
ze_result_t Variable::addCsUsage(CommandBufferOffset csOffset, CommandBufferOffset csFullOffset) {
if (false == isType(VariableType::buffer)) {
return ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
bufferUsages.commandBufferOffsets.push_back(csOffset);
bufferUsages.commandBufferWithoutOffset.push_back(csFullOffset);
return ZE_RESULT_SUCCESS;
}
ze_result_t Variable::setValueVariableContinuous(size_t size, const void *argVal) {
if (size != desc.size) {
return ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
if (valueUsages.statelessWithoutOffset.size() > 0) {
size_t statelessSizeIndex = 0;
for (const auto &statelessPatch : valueUsages.statelessWithoutOffset) {
auto statelessSize = valueUsages.statelessIndirectPatchSize[statelessSizeIndex];
const void *newValue = argVal;
if (statelessSize < desc.size) {
newValue = reinterpret_cast<const void *>(reinterpret_cast<uintptr_t>(newValue) + (desc.size - statelessSize));
}
memcpy_s(reinterpret_cast<void *>(statelessPatch), statelessSize,
newValue, statelessSize);
statelessSizeIndex++;
}
} else {
size_t statelessSizeIndex = 0;
auto iohCpuBase = cmdList->getBase()->getCmdContainer().getIndirectHeap(NEO::HeapType::indirectObject)->getCpuBase();
for (const auto &statelessOffset : valueUsages.statelessIndirect) {
auto statelessSize = valueUsages.statelessIndirectPatchSize[statelessSizeIndex];
const void *newValue = argVal;
if (statelessSize < desc.size) {
newValue = reinterpret_cast<const void *>(reinterpret_cast<uintptr_t>(newValue) + (desc.size - statelessSize));
}
memcpy_s(reinterpret_cast<void *>(ptrOffset(iohCpuBase, statelessOffset)), statelessSize,
newValue, statelessSize);
statelessSizeIndex++;
}
}
if (valueUsages.commandBufferWithoutOffset.size() > 0) {
size_t csSizeIndex = 0;
for (const auto &csInlinePatch : valueUsages.commandBufferWithoutOffset) {
auto csSize = valueUsages.commandBufferPatchSize[csSizeIndex];
memcpy_s(reinterpret_cast<void *>(csInlinePatch), csSize,
argVal, csSize);
csSizeIndex++;
}
} else {
size_t csSizeIndex = 0;
auto csCpuBase = cmdList->getBase()->getCmdContainer().getCommandStream()->getCpuBase();
for (const auto csOffset : valueUsages.commandBufferOffsets) {
auto csSize = valueUsages.commandBufferPatchSize[csSizeIndex];
memcpy_s(reinterpret_cast<void *>(ptrOffset(csCpuBase, csOffset)), csSize,
argVal, csSize);
csSizeIndex++;
}
}
desc.state = State::initialized;
return ZE_RESULT_SUCCESS;
}
void Variable::handleFlags(uint32_t flags) {
if ((flags & Variable::directFlag) != 0) {
cmdList->toggleCommandListUpdated();
}
}
ze_result_t Variable::selectImmediateSetValueHandler(size_t size, const void *argVal) {
if (desc.immediateValueChunks) {
return setValueVariableInChunks(size, argVal);
} else {
return setValueVariableContinuous(size, argVal);
}
}
ze_result_t Variable::selectImmediateAddKernelArgUsageHandler(const NEO::ArgDescriptor &kernelArg, IndirectObjectHeapOffset iohOffset, IndirectObjectHeapOffset iohFullOffset,
CommandBufferOffset walkerCmdOffset, MutableComputeWalker *mutableComputeWalker, bool inlineData) {
if (desc.immediateValueChunks) {
return addKernelArgUsageImmediateAsChunk(kernelArg, iohOffset, iohFullOffset, walkerCmdOffset, mutableComputeWalker, inlineData);
} else {
return addKernelArgUsageImmediateAsContinuous(kernelArg, iohOffset, iohFullOffset, walkerCmdOffset, mutableComputeWalker, inlineData);
}
}
void Variable::setDescExperimentalValues(const InterfaceVariableDescriptor *ifaceVarDesc) {
desc.name = ifaceVarDesc->name == nullptr ? "" : std::string(ifaceVarDesc->name);
desc.apiVariable = ifaceVarDesc->api;
if (ifaceVarDesc->isTemporary) {
desc.isTemporary = true;
if (ifaceVarDesc->isConstSize) {
desc.size = ifaceVarDesc->size;
} else if (ifaceVarDesc->isScalable) {
desc.isScalable = true;
desc.eleSize = ifaceVarDesc->size;
}
}
}
ze_result_t Variable::addKernelArgUsageStatefulBuffer(const NEO::ArgDescriptor &kernelArg, IndirectObjectHeapOffset iohOffset, SurfaceStateHeapOffset sshOffset) {
if (desc.apiVariable) {
const auto &arg = kernelArg.as<NEO::ArgDescPointer>();
if (sshOffset != undefined<SurfaceStateHeapOffset>) {
if (NEO::isValidOffset(arg.bufferOffset)) {
if (NEO::isValidOffset(arg.bindful)) {
bufferUsages.bindful.push_back(sshOffset + arg.bindful);
} else if (NEO::isValidOffset(arg.bindless)) {
bufferUsages.bindless.push_back(iohOffset + arg.bindless);
} else {
return ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
bufferUsages.bufferOffset.push_back(iohOffset + arg.bufferOffset);
} else {
if (NEO::isValidOffset(arg.bindful)) {
bufferUsages.bindfulWithoutOffset.push_back(sshOffset + arg.bindful);
} else if (NEO::isValidOffset(arg.bindless)) {
bufferUsages.bindlessWithoutOffset.push_back(iohOffset + arg.bindless);
} else {
return ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
}
}
}
return ZE_RESULT_SUCCESS;
}
void Variable::mutateStatefulBufferArg(GpuAddress bufferGpuAddress, NEO::GraphicsAllocation *bufferAllocation) {
if (desc.apiVariable) {
cmdList->setBufferSurfaceState(reinterpret_cast<void *>(bufferGpuAddress), bufferAllocation, this);
}
}
} // namespace L0::MCL
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