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/*
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_container/command_encoder.h"
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/helpers/flat_batch_buffer_helper_hw.h"
#include "shared/source/helpers/hw_helper.h"
#include "shared/source/helpers/string.h"
#include "shared/source/memory_manager/graphics_allocation.h"
#include "shared/source/memory_manager/memory_manager.h"
namespace NEO {
template <typename GfxFamily>
GraphicsAllocation *FlatBatchBufferHelperHw<GfxFamily>::flattenBatchBuffer(uint32_t rootDeviceIndex, BatchBuffer &batchBuffer, size_t &sizeBatchBuffer,
DispatchMode dispatchMode, DeviceBitfield deviceBitfield) {
typedef typename GfxFamily::MI_BATCH_BUFFER_START MI_BATCH_BUFFER_START;
typedef typename GfxFamily::MI_BATCH_BUFFER_END MI_BATCH_BUFFER_END;
typedef typename GfxFamily::MI_USER_INTERRUPT MI_USER_INTERRUPT;
GraphicsAllocation *flatBatchBuffer = nullptr;
size_t indirectPatchCommandsSize = 0u;
std::vector<PatchInfoData> indirectPatchInfo;
std::unique_ptr<char> indirectPatchCommands(getIndirectPatchCommands(indirectPatchCommandsSize, indirectPatchInfo));
if (dispatchMode == DispatchMode::ImmediateDispatch) {
if (batchBuffer.chainedBatchBuffer) {
batchBuffer.chainedBatchBuffer->setAubWritable(false, GraphicsAllocation::defaultBank);
auto sizeMainBatchBuffer = batchBuffer.chainedBatchBufferStartOffset - batchBuffer.startOffset;
auto alignedMainBatchBufferSize = alignUp(sizeMainBatchBuffer + indirectPatchCommandsSize + batchBuffer.chainedBatchBuffer->getUnderlyingBufferSize(), MemoryConstants::pageSize);
AllocationProperties flatBatchBufferProperties(rootDeviceIndex, alignedMainBatchBufferSize, AllocationType::INTERNAL_HOST_MEMORY, deviceBitfield);
flatBatchBufferProperties.alignment = MemoryConstants::pageSize;
flatBatchBuffer =
getMemoryManager()->allocateGraphicsMemoryWithProperties(flatBatchBufferProperties);
UNRECOVERABLE_IF(flatBatchBuffer == nullptr);
// Copy main batchbuffer
memcpy_s(flatBatchBuffer->getUnderlyingBuffer(), sizeMainBatchBuffer,
ptrOffset(batchBuffer.commandBufferAllocation->getUnderlyingBuffer(), batchBuffer.startOffset),
sizeMainBatchBuffer);
// Copy indirect patch commands
memcpy_s(ptrOffset(flatBatchBuffer->getUnderlyingBuffer(), sizeMainBatchBuffer), indirectPatchCommandsSize,
indirectPatchCommands.get(), indirectPatchCommandsSize);
// Copy chained batchbuffer
memcpy_s(ptrOffset(flatBatchBuffer->getUnderlyingBuffer(), sizeMainBatchBuffer + indirectPatchCommandsSize),
batchBuffer.chainedBatchBuffer->getUnderlyingBufferSize(), batchBuffer.chainedBatchBuffer->getUnderlyingBuffer(),
batchBuffer.chainedBatchBuffer->getUnderlyingBufferSize());
sizeBatchBuffer = flatBatchBufferProperties.size;
patchInfoCollection.insert(std::end(patchInfoCollection), std::begin(indirectPatchInfo), std::end(indirectPatchInfo));
}
} else if (dispatchMode == DispatchMode::BatchedDispatch) {
CommandChunk firstChunk;
for (auto &chunk : commandChunkList) {
bool found = false;
for (auto &batchBuffer : batchBufferStartAddressSequence) {
if ((batchBuffer.first <= chunk.baseAddressGpu + chunk.endOffset) && (batchBuffer.first >= chunk.baseAddressGpu + chunk.startOffset)) {
chunk.batchBufferStartLocation = batchBuffer.first;
chunk.batchBufferStartAddress = batchBuffer.second;
chunk.endOffset = chunk.batchBufferStartLocation - chunk.baseAddressGpu;
}
if (batchBuffer.second == chunk.baseAddressGpu + chunk.startOffset) {
found = true;
}
}
if (!found) {
firstChunk = chunk;
}
}
std::vector<CommandChunk> orderedChunks;
CommandChunk &nextChunk = firstChunk;
while (true) {
bool hasNextChunk = false;
for (auto &chunk : commandChunkList) {
if (nextChunk.batchBufferStartAddress == chunk.baseAddressGpu + chunk.startOffset) {
hasNextChunk = true;
orderedChunks.push_back(nextChunk);
nextChunk = chunk;
break;
}
}
if (!hasNextChunk) {
nextChunk.endOffset -= sizeof(MI_BATCH_BUFFER_START);
orderedChunks.push_back(nextChunk);
break;
}
}
uint64_t flatBatchBufferSize = 0u;
std::vector<PatchInfoData> patchInfoCopy = patchInfoCollection;
patchInfoCollection.clear();
for (auto &chunk : orderedChunks) {
for (auto &patch : patchInfoCopy) {
if (patch.targetAllocation + patch.targetAllocationOffset >= chunk.baseAddressGpu + chunk.startOffset && patch.targetAllocation + patch.targetAllocationOffset <= chunk.baseAddressGpu + chunk.endOffset) {
patch.targetAllocationOffset = patch.targetAllocationOffset - chunk.startOffset + flatBatchBufferSize + indirectPatchCommandsSize;
patchInfoCollection.push_back(patch);
}
}
flatBatchBufferSize += chunk.endOffset - chunk.startOffset;
}
patchInfoCollection.insert(std::end(patchInfoCollection), std::begin(indirectPatchInfo), std::end(indirectPatchInfo));
flatBatchBufferSize += sizeof(MI_USER_INTERRUPT);
flatBatchBufferSize += sizeof(MI_BATCH_BUFFER_END);
flatBatchBufferSize += indirectPatchCommandsSize;
flatBatchBufferSize = alignUp(flatBatchBufferSize, MemoryConstants::pageSize);
flatBatchBufferSize += CSRequirements::csOverfetchSize;
AllocationProperties flatBatchBufferProperties(rootDeviceIndex, static_cast<size_t>(flatBatchBufferSize), AllocationType::INTERNAL_HOST_MEMORY, deviceBitfield);
flatBatchBufferProperties.alignment = MemoryConstants::pageSize;
flatBatchBuffer = getMemoryManager()->allocateGraphicsMemoryWithProperties(flatBatchBufferProperties);
UNRECOVERABLE_IF(flatBatchBuffer == nullptr);
char *ptr = static_cast<char *>(flatBatchBuffer->getUnderlyingBuffer());
memcpy_s(ptr, indirectPatchCommandsSize, indirectPatchCommands.get(), indirectPatchCommandsSize);
ptr += indirectPatchCommandsSize;
for (auto &chunk : orderedChunks) {
size_t chunkSize = static_cast<size_t>(chunk.endOffset - chunk.startOffset);
memcpy_s(ptr,
chunkSize,
reinterpret_cast<char *>(ptrOffset(chunk.baseAddressCpu, static_cast<size_t>(chunk.startOffset))),
chunkSize);
ptr += chunkSize;
}
auto pCmdMui = reinterpret_cast<MI_USER_INTERRUPT *>(ptr);
*pCmdMui = GfxFamily::cmdInitUserInterrupt;
ptr += sizeof(MI_USER_INTERRUPT);
auto pCmdBBend = reinterpret_cast<MI_BATCH_BUFFER_END *>(ptr);
*pCmdBBend = GfxFamily::cmdInitBatchBufferEnd;
ptr += sizeof(MI_BATCH_BUFFER_END);
sizeBatchBuffer = static_cast<size_t>(flatBatchBufferSize);
commandChunkList.clear();
batchBufferStartAddressSequence.clear();
}
return flatBatchBuffer;
}
template <typename GfxFamily>
char *FlatBatchBufferHelperHw<GfxFamily>::getIndirectPatchCommands(size_t &indirectPatchCommandsSize, std::vector<PatchInfoData> &indirectPatchInfo) {
indirectPatchCommandsSize = 0;
for (auto &patchInfoData : patchInfoCollection) {
if (patchInfoData.requiresIndirectPatching()) {
indirectPatchCommandsSize += EncodeStoreMemory<GfxFamily>::getStoreDataImmSize();
}
}
uint64_t stiCommandOffset = 0;
std::vector<PatchInfoData> patchInfoCopy = patchInfoCollection;
std::unique_ptr<char> buffer(new char[indirectPatchCommandsSize]);
LinearStream indirectPatchCommandStream(buffer.get(), indirectPatchCommandsSize);
patchInfoCollection.clear();
for (auto &patchInfoData : patchInfoCopy) {
if (patchInfoData.requiresIndirectPatching()) {
bool is32BitAddress = patchInfoData.patchAddressSize == sizeof(uint32_t);
EncodeStoreMemory<GfxFamily>::programStoreDataImm(indirectPatchCommandStream,
patchInfoData.targetAllocation + patchInfoData.targetAllocationOffset,
static_cast<uint32_t>((patchInfoData.sourceAllocation + patchInfoData.sourceAllocationOffset) & 0x0000FFFFFFFFULL),
static_cast<uint32_t>((patchInfoData.sourceAllocation + patchInfoData.sourceAllocationOffset) >> 32),
!is32BitAddress,
false);
PatchInfoData patchInfoForAddress(patchInfoData.targetAllocation,
patchInfoData.targetAllocationOffset,
patchInfoData.targetType,
0u,
stiCommandOffset + EncodeStoreMemory<GfxFamily>::getStoreDataImmSize() - 2 * sizeof(uint64_t),
PatchInfoAllocationType::Default);
PatchInfoData patchInfoForValue(patchInfoData.sourceAllocation,
patchInfoData.sourceAllocationOffset,
patchInfoData.sourceType,
0u,
stiCommandOffset + EncodeStoreMemory<GfxFamily>::getStoreDataImmSize() - sizeof(uint64_t),
PatchInfoAllocationType::Default);
indirectPatchInfo.push_back(patchInfoForAddress);
indirectPatchInfo.push_back(patchInfoForValue);
stiCommandOffset += EncodeStoreMemory<GfxFamily>::getStoreDataImmSize();
} else {
patchInfoCollection.push_back(patchInfoData);
}
}
return buffer.release();
}
template <typename GfxFamily>
void FlatBatchBufferHelperHw<GfxFamily>::removePipeControlData(size_t pipeControlLocationSize, void *pipeControlForNooping, const HardwareInfo &hwInfo) {
typedef typename GfxFamily::PIPE_CONTROL PIPE_CONTROL;
size_t numPipeControls = (pipeControlLocationSize - MemorySynchronizationCommands<GfxFamily>::getSizeForAdditonalSynchronization(hwInfo)) / (sizeof(PIPE_CONTROL));
for (size_t i = 0; i < numPipeControls; i++) {
PIPE_CONTROL *erasedPipeControl = reinterpret_cast<PIPE_CONTROL *>(pipeControlForNooping);
removePatchInfoData(reinterpret_cast<uint64_t>(erasedPipeControl) + (i + 1) * sizeof(PIPE_CONTROL) - 2 * sizeof(uint64_t));
removePatchInfoData(reinterpret_cast<uint64_t>(erasedPipeControl) + (i + 1) * sizeof(PIPE_CONTROL) - sizeof(uint64_t));
}
}
template <typename GfxFamily>
void FlatBatchBufferHelperHw<GfxFamily>::collectScratchSpacePatchInfo(uint64_t scratchAddress, uint64_t commandOffset, const LinearStream &csr) {
if (scratchAddress) {
auto scratchOffset = reinterpret_cast<uint32_t *>(reinterpret_cast<uint8_t *>(csr.getCpuBase()) + commandOffset)[0] & 0x3FF;
PatchInfoData patchInfoData(scratchAddress, scratchOffset, PatchInfoAllocationType::ScratchSpace, csr.getGraphicsAllocation()->getGpuAddress(), commandOffset, PatchInfoAllocationType::Default);
patchInfoCollection.push_back(patchInfoData);
}
}
}; // namespace NEO
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