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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/windows/kmd_sys_manager.h"
#include "gfxEscape.h"
namespace L0 {
struct PcEscapeInfo {
GFX_ESCAPE_HEADER_T headerGfx;
uint32_t escapeOpInput;
uint32_t escapeErrorType;
uint32_t dataInSize;
uint64_t pDataIn;
uint32_t dataOutSize;
uint64_t pDataOut;
};
uint32_t sumOfBufferData(void *pBuffer, uint32_t bufferSize) {
uint32_t index;
uint32_t ulCheckSum;
uint32_t numOfUnsignedLongs = bufferSize / sizeof(uint32_t);
uint32_t *pElement = static_cast<uint32_t *>(pBuffer);
ulCheckSum = 0;
for (index = 0; index < numOfUnsignedLongs; index++) {
ulCheckSum += *pElement;
pElement++;
}
return ulCheckSum;
}
KmdSysManager::KmdSysManager(NEO::Wddm *pWddm) {
pWddmAccess = pWddm;
}
KmdSysManager *KmdSysManager::create(NEO::Wddm *pWddm) {
return new KmdSysManager(pWddm);
}
ze_result_t KmdSysManager::requestSingle(KmdSysman::RequestProperty &inputRequest, KmdSysman::ResponseProperty &outputResponse) {
KmdSysman::GfxSysmanMainHeaderIn inMainHeader;
KmdSysman::GfxSysmanMainHeaderOut outMainHeader;
memset(&inMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderIn));
memset(&outMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderOut));
std::vector<KmdSysman::RequestProperty> vectorInput;
vectorInput.push_back(inputRequest);
if (!parseBufferIn(&inMainHeader, vectorInput)) {
return ZE_RESULT_ERROR_INVALID_SIZE;
}
KmdSysman::KmdSysmanVersion versionKmd;
versionKmd.data = 0;
versionKmd.majorVersion = KmdSysman::KmdMajorVersion;
versionKmd.minorVersion = KmdSysman::KmdMinorVersion;
versionKmd.patchNumber = KmdSysman::KmdPatchNumber;
inMainHeader.inVersion = versionKmd.data;
uint64_t inPointerToLongInt = reinterpret_cast<uint64_t>(&inMainHeader);
uint64_t outPointerToLongInt = reinterpret_cast<uint64_t>(&outMainHeader);
auto status = escape(KmdSysman::PcEscapeOperation, inPointerToLongInt, sizeof(KmdSysman::GfxSysmanMainHeaderIn),
outPointerToLongInt, sizeof(KmdSysman::GfxSysmanMainHeaderOut));
if (status) {
std::vector<KmdSysman::ResponseProperty> vecOutput;
if (!parseBufferOut(&outMainHeader, vecOutput)) {
return ZE_RESULT_ERROR_INVALID_SIZE;
}
if (vecOutput.size() > 0) {
outputResponse = vecOutput[0];
} else {
return ZE_RESULT_ERROR_INVALID_SIZE;
}
return (outputResponse.returnCode == KmdSysman::KmdSysmanSuccess) ? ZE_RESULT_SUCCESS : ZE_RESULT_ERROR_NOT_AVAILABLE;
}
return (status) ? ZE_RESULT_SUCCESS : ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
ze_result_t KmdSysManager::requestMultiple(std::vector<KmdSysman::RequestProperty> &inputRequest, std::vector<KmdSysman::ResponseProperty> &outputResponse) {
KmdSysman::GfxSysmanMainHeaderIn inMainHeader;
KmdSysman::GfxSysmanMainHeaderOut outMainHeader;
if (inputRequest.size() == 0) {
return ZE_RESULT_ERROR_INVALID_NULL_HANDLE;
}
memset(&inMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderIn));
memset(&outMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderOut));
if (!parseBufferIn(&inMainHeader, inputRequest)) {
return ZE_RESULT_ERROR_INVALID_SIZE;
}
KmdSysman::KmdSysmanVersion versionKmd;
versionKmd.data = 0;
versionKmd.majorVersion = 1;
versionKmd.minorVersion = 0;
versionKmd.patchNumber = 0;
inMainHeader.inVersion = versionKmd.data;
uint64_t inPointerToLongInt = reinterpret_cast<uint64_t>(&inMainHeader);
uint64_t outPointerToLongInt = reinterpret_cast<uint64_t>(&outMainHeader);
auto status = escape(KmdSysman::PcEscapeOperation, inPointerToLongInt, sizeof(KmdSysman::GfxSysmanMainHeaderIn),
outPointerToLongInt, sizeof(KmdSysman::GfxSysmanMainHeaderOut));
if (status) {
if (!parseBufferOut(&outMainHeader, outputResponse)) {
return ZE_RESULT_ERROR_INVALID_SIZE;
}
if (outputResponse.size() == 0) {
return ZE_RESULT_ERROR_INVALID_SIZE;
}
}
return (status) ? ZE_RESULT_SUCCESS : ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
bool KmdSysManager::escape(uint32_t escapeOp, uint64_t pDataIn, uint32_t dataInSize, uint64_t pDataOut, uint32_t dataOutSize) {
if (pWddmAccess) {
D3DKMT_ESCAPE escapeCommand = {0};
PcEscapeInfo pcEscape = {0};
escapeCommand.Flags.HardwareAccess = 0;
escapeCommand.Flags.Reserved = 0;
escapeCommand.hAdapter = (D3DKMT_HANDLE)0;
escapeCommand.hContext = (D3DKMT_HANDLE)0;
escapeCommand.hDevice = (D3DKMT_HANDLE)pWddmAccess->getDevice();
escapeCommand.pPrivateDriverData = &pcEscape;
escapeCommand.PrivateDriverDataSize = sizeof(pcEscape);
escapeCommand.Type = D3DKMT_ESCAPE_DRIVERPRIVATE;
pcEscape.headerGfx.EscapeCode = GFX_ESCAPE_PWRCONS_CONTROL;
pcEscape.escapeErrorType = 0;
pcEscape.escapeOpInput = escapeOp;
pcEscape.headerGfx.Size = sizeof(pcEscape) - sizeof(pcEscape.headerGfx);
pcEscape.pDataIn = pDataIn;
pcEscape.pDataOut = pDataOut;
pcEscape.dataInSize = dataInSize;
pcEscape.dataOutSize = dataOutSize;
void *pBuffer = &pcEscape;
pBuffer = reinterpret_cast<uint8_t *>(pBuffer) + sizeof(pcEscape.headerGfx);
pcEscape.headerGfx.CheckSum = sumOfBufferData(pBuffer, pcEscape.headerGfx.Size);
auto status = pWddmAccess->escape(escapeCommand);
if (status == STATUS_SUCCESS) {
return true;
}
}
return false;
}
bool KmdSysManager::parseBufferIn(KmdSysman::GfxSysmanMainHeaderIn *pInMainHeader, std::vector<KmdSysman::RequestProperty> &vectorInput) {
memset(pInMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderIn));
for (uint32_t i = 0; i < vectorInput.size(); i++) {
KmdSysman::GfxSysmanReqHeaderIn headerIn;
headerIn.inRequestId = vectorInput[i].requestId;
headerIn.inCommand = vectorInput[i].commandId;
headerIn.inComponent = vectorInput[i].componentId;
headerIn.inCommandParam = vectorInput[i].paramInfo;
headerIn.inDataSize = vectorInput[i].dataSize;
if ((pInMainHeader->inTotalsize + sizeof(KmdSysman::GfxSysmanReqHeaderIn)) >= KmdSysman::KmdMaxBufferSize) {
memset(pInMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderIn));
return false;
}
if ((pInMainHeader->inTotalsize + sizeof(KmdSysman::GfxSysmanReqHeaderIn) + headerIn.inDataSize) >= KmdSysman::KmdMaxBufferSize) {
memset(pInMainHeader, 0, sizeof(KmdSysman::GfxSysmanMainHeaderIn));
return false;
}
uint8_t *pBuff = reinterpret_cast<uint8_t *>(&pInMainHeader->inBuffer[pInMainHeader->inTotalsize]);
memcpy_s(pBuff, sizeof(KmdSysman::GfxSysmanReqHeaderIn), &headerIn, sizeof(KmdSysman::GfxSysmanReqHeaderIn));
pBuff += sizeof(KmdSysman::GfxSysmanReqHeaderIn);
pInMainHeader->inTotalsize += sizeof(KmdSysman::GfxSysmanReqHeaderIn);
if (headerIn.inDataSize > 0) {
memcpy_s(pBuff, headerIn.inDataSize, vectorInput[i].dataBuffer, headerIn.inDataSize);
pInMainHeader->inTotalsize += headerIn.inDataSize;
}
pInMainHeader->inNumElements++;
}
return true;
}
bool KmdSysManager::parseBufferOut(KmdSysman::GfxSysmanMainHeaderOut *pOutMainHeader, std::vector<KmdSysman::ResponseProperty> &vectorOutput) {
uint8_t *pBuff = reinterpret_cast<uint8_t *>(pOutMainHeader->outBuffer);
uint32_t totalSize = 0;
vectorOutput.clear();
for (uint32_t i = 0; i < pOutMainHeader->outNumElements; i++) {
KmdSysman::ResponseProperty propertyResponse;
KmdSysman::GfxSysmanReqHeaderOut headerOut;
memcpy_s(&headerOut, sizeof(KmdSysman::GfxSysmanReqHeaderOut), pBuff, sizeof(KmdSysman::GfxSysmanReqHeaderOut));
propertyResponse.requestId = headerOut.outRequestId;
propertyResponse.returnCode = headerOut.outReturnCode;
propertyResponse.componentId = headerOut.outComponent;
propertyResponse.dataSize = headerOut.outDataSize;
pBuff += sizeof(KmdSysman::GfxSysmanReqHeaderOut);
if (headerOut.outDataSize > 0) {
memcpy_s(propertyResponse.dataBuffer, headerOut.outDataSize, pBuff, headerOut.outDataSize);
pBuff += headerOut.outDataSize;
}
vectorOutput.push_back(propertyResponse);
totalSize += sizeof(KmdSysman::GfxSysmanReqHeaderOut);
totalSize += headerOut.outDataSize;
}
if (totalSize != pOutMainHeader->outTotalSize) {
vectorOutput.clear();
return false;
}
return true;
}
} // namespace L0
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