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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/sysman/source/api/engine/linux/sysman_os_engine_imp.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/os_interface/linux/engine_info.h"
#include "shared/source/os_interface/linux/i915.h"
#include "level_zero/sysman/source/shared/linux/kmd_interface/sysman_kmd_interface.h"
#include "level_zero/sysman/source/shared/linux/pmu/sysman_pmu_imp.h"
#include "level_zero/sysman/source/shared/linux/product_helper/sysman_product_helper.h"
#include "level_zero/sysman/source/shared/linux/sysman_hw_device_id_linux.h"
#include "level_zero/sysman/source/shared/linux/zes_os_sysman_imp.h"
#include "level_zero/sysman/source/sysman_const.h"
namespace L0 {
namespace Sysman {
void LinuxEngineImp::cleanup() {
for (auto &fd : fdList) {
DEBUG_BREAK_IF(fd < 0);
NEO::SysCalls::close(static_cast<int>(fd));
}
fdList.clear();
}
LinuxEngineImp::~LinuxEngineImp() {
cleanup();
}
zes_engine_group_t LinuxEngineImp::getGroupFromEngineType(zes_engine_group_t type) {
if (type == ZES_ENGINE_GROUP_RENDER_SINGLE) {
return ZES_ENGINE_GROUP_RENDER_ALL;
}
if (type == ZES_ENGINE_GROUP_COMPUTE_SINGLE) {
return ZES_ENGINE_GROUP_COMPUTE_ALL;
}
if (type == ZES_ENGINE_GROUP_COPY_SINGLE) {
return ZES_ENGINE_GROUP_COPY_ALL;
}
if (type == ZES_ENGINE_GROUP_MEDIA_DECODE_SINGLE || type == ZES_ENGINE_GROUP_MEDIA_ENCODE_SINGLE || type == ZES_ENGINE_GROUP_MEDIA_ENHANCEMENT_SINGLE) {
return ZES_ENGINE_GROUP_MEDIA_ALL;
}
return ZES_ENGINE_GROUP_ALL;
}
ze_result_t OsEngine::getNumEngineTypeAndInstances(MapOfEngineInfo &mapEngineInfo, OsSysman *pOsSysman) {
LinuxSysmanImp *pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
NEO::Drm *pDrm = pLinuxSysmanImp->getDrm();
auto pSysmanKmdInterface = pLinuxSysmanImp->getSysmanKmdInterface();
auto pSysmanProductHelper = pLinuxSysmanImp->getSysmanProductHelper();
bool status = false;
{
auto hwDeviceId = pLinuxSysmanImp->getSysmanHwDeviceIdInstance();
if (hwDeviceId.getFileDescriptor() < 0) {
return ZE_RESULT_ERROR_DEPENDENCY_UNAVAILABLE;
}
status = pDrm->sysmanQueryEngineInfo();
}
if (status == false) {
NEO::printDebugString(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s():sysmanQueryEngineInfo is returning false and error message:0x%x \n", __FUNCTION__, ZE_RESULT_ERROR_UNSUPPORTED_FEATURE);
return ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
}
auto engineInfo = pDrm->getEngineInfo();
auto engineTileMap = engineInfo->getEngineTileInfo();
for (auto itr = engineTileMap.begin(); itr != engineTileMap.end(); ++itr) {
uint32_t tileId = itr->first;
auto engineGroupRange = engineClassToEngineGroup.equal_range(static_cast<uint16_t>(itr->second.engineClass));
for (auto l0EngineEntryInMap = engineGroupRange.first; l0EngineEntryInMap != engineGroupRange.second; l0EngineEntryInMap++) {
auto l0EngineType = l0EngineEntryInMap->second;
// Addition of Single Engine Info in the map
auto itrEngineGroupInfo = mapEngineInfo.find(l0EngineType);
auto engineInstanceTileId = std::pair(static_cast<uint32_t>(itr->second.engineInstance), tileId);
if (itrEngineGroupInfo != mapEngineInfo.end()) {
itrEngineGroupInfo->second.insert({engineInstanceTileId});
} else {
SetOfEngineInstanceAndTileId engineInstancesAndTileIds = {engineInstanceTileId};
mapEngineInfo[l0EngineType] = engineInstancesAndTileIds;
}
// Addition of Group Engine Info in the map
if (pSysmanKmdInterface->isGroupEngineInterfaceAvailable() || pSysmanProductHelper->isAggregationOfSingleEnginesSupported()) {
auto engineGroup = LinuxEngineImp::getGroupFromEngineType(l0EngineType);
auto itrEngineGroupInfo = mapEngineInfo.find(engineGroup);
if (itrEngineGroupInfo != mapEngineInfo.end()) {
itrEngineGroupInfo->second.insert({0u, tileId});
} else {
SetOfEngineInstanceAndTileId engineInstancesAndTileIds = {{0u, tileId}};
mapEngineInfo[engineGroup] = engineInstancesAndTileIds;
}
itrEngineGroupInfo = mapEngineInfo.find(ZES_ENGINE_GROUP_ALL);
if (itrEngineGroupInfo != mapEngineInfo.end()) {
itrEngineGroupInfo->second.insert({0u, tileId});
} else {
SetOfEngineInstanceAndTileId engineInstancesAndTileIds = {{0u, tileId}};
mapEngineInfo[ZES_ENGINE_GROUP_ALL] = engineInstancesAndTileIds;
}
}
}
}
return ZE_RESULT_SUCCESS;
}
ze_result_t LinuxEngineImp::getActivity(zes_engine_stats_t *pStats) {
return pSysmanKmdInterface->readBusynessFromGroupFd(pPmuInterface, fdList, pStats);
}
ze_result_t LinuxEngineImp::getProperties(zes_engine_properties_t &properties) {
properties.type = engineGroupInfo.engineGroup;
properties.onSubdevice = onSubDevice;
properties.subdeviceId = engineGroupInfo.tileId;
return ZE_RESULT_SUCCESS;
}
void LinuxEngineImp::init(MapOfEngineInfo &mapEngineInfo) {
std::vector<uint64_t> pmuConfigs;
const std::string sysmanDeviceDir = std::string(sysDevicesDir) + pSysmanKmdInterface->getSysmanDeviceDirName();
if (isGroupEngineHandle(engineGroupInfo.engineGroup)) {
initStatus = pSysmanKmdInterface->getPmuConfigsForGroupEngines(mapEngineInfo, sysmanDeviceDir, engineGroupInfo, pPmuInterface, pDrm, pmuConfigs);
} else {
initStatus = pSysmanKmdInterface->getPmuConfigsForSingleEngines(sysmanDeviceDir, engineGroupInfo, pPmuInterface, pDrm, pmuConfigs);
}
if (initStatus != ZE_RESULT_SUCCESS) {
NEO::printDebugString(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Failed to fetch Pmu Configs \n", __FUNCTION__);
return;
} else {
if (pmuConfigs.empty()) {
initStatus = ZE_RESULT_ERROR_UNKNOWN;
NEO::printDebugString(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Pmu Configs Not Available \n", __FUNCTION__);
return;
} else {
for (auto &config : pmuConfigs) {
int64_t fd = -1;
if (fdList.empty()) {
if (pmuConfigs.size() == 1) {
fd = pPmuInterface->pmuInterfaceOpen(config, -1, PERF_FORMAT_TOTAL_TIME_ENABLED);
} else {
fd = pPmuInterface->pmuInterfaceOpen(config, -1, PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_GROUP);
}
if (fd < 0) {
NEO::printDebugString(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Could not open Ticks Handle \n", __FUNCTION__);
initStatus = pSysmanKmdInterface->checkErrorNumberAndReturnStatus();
return;
}
} else {
fd = pPmuInterface->pmuInterfaceOpen(config, static_cast<int>(fdList[0]), PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_GROUP);
if (fd < 0) {
NEO::printDebugString(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Could not open Ticks Handle \n", __FUNCTION__);
for (auto &fd : fdList) {
NEO::SysCalls::close(static_cast<int>(fd));
}
fdList.clear();
initStatus = pSysmanKmdInterface->checkErrorNumberAndReturnStatus();
return;
}
}
fdList.push_back(fd);
}
initStatus = ZE_RESULT_SUCCESS;
}
}
}
bool LinuxEngineImp::isEngineModuleSupported() {
if (initStatus != ZE_RESULT_SUCCESS) {
return false;
}
return true;
}
LinuxEngineImp::LinuxEngineImp(OsSysman *pOsSysman, MapOfEngineInfo &mapEngineInfo, zes_engine_group_t type, uint32_t engineInstance, uint32_t tileId, ze_bool_t onSubDevice) : onSubDevice(onSubDevice) {
pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
engineGroupInfo.engineGroup = type;
engineGroupInfo.engineInstance = engineInstance;
engineGroupInfo.tileId = tileId;
pDrm = pLinuxSysmanImp->getDrm();
pDevice = pLinuxSysmanImp->getSysmanDeviceImp();
pPmuInterface = pLinuxSysmanImp->getPmuInterface();
pSysmanKmdInterface = pLinuxSysmanImp->getSysmanKmdInterface();
init(mapEngineInfo);
if (initStatus != ZE_RESULT_SUCCESS) {
cleanup();
}
}
std::unique_ptr<OsEngine> OsEngine::create(OsSysman *pOsSysman, MapOfEngineInfo &mapEngineInfo, zes_engine_group_t type, uint32_t engineInstance, uint32_t tileId, ze_bool_t onSubDevice) {
std::unique_ptr<LinuxEngineImp> pLinuxEngineImp = std::make_unique<LinuxEngineImp>(pOsSysman, mapEngineInfo, type, engineInstance, tileId, onSubDevice);
return pLinuxEngineImp;
}
} // namespace Sysman
} // namespace L0
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