131 lines
4.8 KiB
C++
131 lines
4.8 KiB
C++
/*
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* Copyright (C) 2018-2021 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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#include "opencl/source/mem_obj/pipe.h"
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#include "shared/source/helpers/get_info.h"
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#include "shared/source/memory_manager/memory_manager.h"
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#include "opencl/source/cl_device/cl_device.h"
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#include "opencl/source/context/context.h"
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#include "opencl/source/helpers/get_info_status_mapper.h"
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#include "opencl/source/helpers/memory_properties_helpers.h"
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#include "opencl/source/mem_obj/mem_obj_helper.h"
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namespace NEO {
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Pipe::Pipe(Context *context,
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cl_mem_flags flags,
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cl_uint packetSize,
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cl_uint maxPackets,
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const cl_pipe_properties *properties,
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void *memoryStorage,
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MultiGraphicsAllocation multiGraphicsAllocation)
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: MemObj(context,
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CL_MEM_OBJECT_PIPE,
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MemoryPropertiesHelper::createMemoryProperties(flags, 0, 0, &context->getDevice(0)->getDevice()),
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flags,
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0,
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static_cast<size_t>(packetSize * (maxPackets + 1) + intelPipeHeaderReservedSpace),
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memoryStorage,
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nullptr,
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std::move(multiGraphicsAllocation),
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false,
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false,
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false),
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pipePacketSize(packetSize),
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pipeMaxPackets(maxPackets) {
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magic = objectMagic;
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}
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Pipe *Pipe::create(Context *context,
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cl_mem_flags flags,
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cl_uint packetSize,
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cl_uint maxPackets,
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const cl_pipe_properties *properties,
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cl_int &errcodeRet) {
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Pipe *pPipe = nullptr;
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errcodeRet = CL_SUCCESS;
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MemoryManager *memoryManager = context->getMemoryManager();
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DEBUG_BREAK_IF(!memoryManager);
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MemoryProperties memoryProperties =
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MemoryPropertiesHelper::createMemoryProperties(flags, 0, 0, &context->getDevice(0)->getDevice());
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while (true) {
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auto size = static_cast<size_t>(packetSize * (maxPackets + 1) + intelPipeHeaderReservedSpace);
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auto rootDeviceIndex = context->getDevice(0)->getRootDeviceIndex();
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AllocationProperties allocProperties =
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MemoryPropertiesHelper::getAllocationProperties(rootDeviceIndex, memoryProperties,
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true, // allocateMemory
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size, GraphicsAllocation::AllocationType::PIPE,
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false, // isMultiStorageAllocation
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context->getDevice(0)->getHardwareInfo(), context->getDeviceBitfieldForAllocation(rootDeviceIndex));
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GraphicsAllocation *memory = memoryManager->allocateGraphicsMemoryWithProperties(allocProperties);
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if (!memory) {
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errcodeRet = CL_OUT_OF_HOST_MEMORY;
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break;
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}
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auto multiGraphicsAllocation = MultiGraphicsAllocation(rootDeviceIndex);
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multiGraphicsAllocation.addAllocation(memory);
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pPipe = new (std::nothrow) Pipe(context, flags, packetSize, maxPackets, properties, memory->getUnderlyingBuffer(), std::move(multiGraphicsAllocation));
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if (!pPipe) {
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memoryManager->freeGraphicsMemory(memory);
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memory = nullptr;
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errcodeRet = CL_OUT_OF_HOST_MEMORY;
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break;
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}
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// Initialize pipe_control_intel_t structure located at the beginning of the surface
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memset(memory->getUnderlyingBuffer(), 0, intelPipeHeaderReservedSpace);
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*reinterpret_cast<unsigned int *>(memory->getUnderlyingBuffer()) = maxPackets + 1;
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break;
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}
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return pPipe;
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}
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cl_int Pipe::getPipeInfo(cl_image_info paramName,
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size_t paramValueSize,
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void *paramValue,
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size_t *paramValueSizeRet) {
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cl_int retVal;
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size_t srcParamSize = GetInfo::invalidSourceSize;
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void *srcParam = nullptr;
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switch (paramName) {
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case CL_PIPE_PACKET_SIZE:
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srcParamSize = sizeof(cl_uint);
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srcParam = &(pipePacketSize);
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break;
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case CL_PIPE_MAX_PACKETS:
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srcParamSize = sizeof(cl_uint);
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srcParam = &(pipeMaxPackets);
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break;
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case CL_PIPE_PROPERTIES:
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srcParamSize = 0;
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break;
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default:
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break;
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}
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auto getInfoStatus = GetInfo::getInfo(paramValue, paramValueSize, srcParam, srcParamSize);
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retVal = changeGetInfoStatusToCLResultType(getInfoStatus);
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GetInfo::setParamValueReturnSize(paramValueSizeRet, srcParamSize, getInfoStatus);
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return retVal;
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}
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void Pipe::setPipeArg(void *memory, uint32_t patchSize, uint32_t rootDeviceIndex) {
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patchWithRequiredSize(memory, patchSize, static_cast<uintptr_t>(multiGraphicsAllocation.getGraphicsAllocation(rootDeviceIndex)->getGpuAddressToPatch()));
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}
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Pipe::~Pipe() = default;
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} // namespace NEO
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