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/*
* Copyright (C) 2020-2026 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/sysman/ras/linux/os_ras_imp.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/helpers/string.h"
#include "shared/source/os_interface/linux/system_info.h"
#include "level_zero/tools/source/sysman/linux/fs_access.h"
#include "level_zero/tools/source/sysman/linux/os_sysman_imp.h"
#include "level_zero/tools/source/sysman/sysman_const.h"
#include <algorithm>
namespace L0 {
static bool isMemoryTypeHbm(LinuxSysmanImp *pLinuxSysmanImp) {
uint32_t memType = pLinuxSysmanImp->getMemoryType();
if (memType == NEO::DeviceBlobConstants::MemoryType::hbm2e || memType == NEO::DeviceBlobConstants::MemoryType::hbm2) {
return true;
}
return false;
}
void OsRas::getSupportedRasErrorTypes(std::set<zes_ras_error_type_t> &errorType, OsSysman *pOsSysman, ze_device_handle_t deviceHandle) {
constexpr auto maxErrorTypes = 2;
LinuxRasSourceGt::getSupportedRasErrorTypes(errorType, pOsSysman, deviceHandle);
if (errorType.size() < maxErrorTypes) {
auto pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
if (isMemoryTypeHbm(pLinuxSysmanImp) == true) {
LinuxRasSourceHbm::getSupportedRasErrorTypes(errorType, pOsSysman, deviceHandle);
}
}
}
ze_result_t LinuxRasImp::osRasGetConfig(zes_ras_config_t *config) {
config->totalThreshold = totalThreshold;
memcpy_s(config->detailedThresholds.category, maxRasErrorCategoryCount * sizeof(uint64_t), categoryThreshold, maxRasErrorCategoryCount * sizeof(uint64_t));
return ZE_RESULT_SUCCESS;
}
ze_result_t LinuxRasImp::osRasSetConfig(const zes_ras_config_t *config) {
if (pFsAccess->isRootUser() == true) {
totalThreshold = config->totalThreshold;
memcpy_s(categoryThreshold, maxRasErrorCategoryCount * sizeof(uint64_t), config->detailedThresholds.category, maxRasErrorCategoryCount * sizeof(uint64_t));
return ZE_RESULT_SUCCESS;
}
PRINT_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Insufficient permissions and returning error:0x%x \n", __FUNCTION__, ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS);
return ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
}
ze_result_t LinuxRasImp::osRasGetProperties(zes_ras_properties_t &properties) {
properties.pNext = nullptr;
properties.type = osRasErrorType;
properties.onSubdevice = isSubdevice;
properties.subdeviceId = subdeviceId;
return ZE_RESULT_SUCCESS;
}
ze_result_t LinuxRasImp::osRasGetState(zes_ras_state_t &state, ze_bool_t clear) {
if (clear == true) {
if (pFsAccess->isRootUser() == false) {
PRINT_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Insufficient permissions and returning error:0x%x \n", __FUNCTION__, ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS);
return ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
}
}
ze_result_t result = ZE_RESULT_ERROR_UNSUPPORTED_FEATURE;
for (auto &rasSource : rasSources) {
zes_ras_state_t localState = {};
ze_result_t localResult = rasSource->osRasGetState(localState, clear);
if (localResult != ZE_RESULT_SUCCESS) {
continue;
}
for (uint32_t i = 0; i < maxRasErrorCategoryCount; i++) {
state.category[i] += localState.category[i];
}
result = ZE_RESULT_SUCCESS;
}
return result;
}
ze_result_t LinuxRasImp::osRasGetStateExp(uint32_t *pCount, zes_ras_state_exp_t *pState) {
ze_result_t result = ZE_RESULT_ERROR_DEPENDENCY_UNAVAILABLE;
uint32_t totalCategoryCount = 0;
std::vector<uint32_t> numCategoriesBySources = {};
for (auto &rasSource : rasSources) {
totalCategoryCount += rasSource->osRasGetCategoryCount();
numCategoriesBySources.push_back(totalCategoryCount);
}
if (*pCount == 0) {
*pCount = totalCategoryCount;
return ZE_RESULT_SUCCESS;
}
uint32_t remainingCategories = std::min(totalCategoryCount, *pCount);
uint32_t numCategoriesAssigned = 0u;
for (uint32_t rasSourceIdx = 0u; rasSourceIdx < rasSources.size(); rasSourceIdx++) {
auto &rasSource = rasSources[rasSourceIdx];
uint32_t numCategoriesRequested = std::min(remainingCategories, numCategoriesBySources[rasSourceIdx]);
ze_result_t localResult = rasSource->osRasGetStateExp(numCategoriesRequested, &pState[numCategoriesAssigned]);
if (localResult != ZE_RESULT_SUCCESS) {
continue;
}
remainingCategories -= numCategoriesRequested;
numCategoriesAssigned += numCategoriesBySources[rasSourceIdx];
result = localResult;
if (remainingCategories == 0u) {
break;
}
}
return result;
}
ze_result_t LinuxRasImp::osRasClearStateExp(zes_ras_error_category_exp_t category) {
if (pFsAccess->isRootUser() == false) {
PRINT_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Insufficient permissions and returning error:0x%x \n", __FUNCTION__, ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS);
return ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
}
if (ZES_RAS_ERROR_CATEGORY_EXP_L3FABRIC_ERRORS < category) {
return ZE_RESULT_ERROR_INVALID_ENUMERATION;
}
ze_result_t result = ZE_RESULT_ERROR_NOT_AVAILABLE;
for (auto &rasSource : rasSources) {
result = rasSource->osRasClearStateExp(category);
if (result != ZE_RESULT_SUCCESS) {
if (result == ZE_RESULT_ERROR_NOT_AVAILABLE) {
continue;
}
return result;
}
}
return result;
}
ze_result_t LinuxRasImp::osRasGetSupportedCategoriesExp(uint32_t *pCount, zes_ras_error_category_exp_t *pCategories) {
if (*pCount == 0) {
*pCount = static_cast<uint32_t>(supportedErrorCategoriesExp.size());
return ZE_RESULT_SUCCESS;
}
uint32_t numCategoriesToCopy = std::min(*pCount, static_cast<uint32_t>(supportedErrorCategoriesExp.size()));
for (uint32_t i = 0; i < numCategoriesToCopy; i++) {
pCategories[i] = supportedErrorCategoriesExp[i];
}
*pCount = numCategoriesToCopy;
return ZE_RESULT_SUCCESS;
}
ze_result_t LinuxRasImp::osRasGetConfigExp(const uint32_t count, zes_intel_ras_config_exp_t *pConfig) {
for (uint32_t i = 0; i < count; i++) {
auto it = std::find_if(categoryExpThresholds.begin(), categoryExpThresholds.end(),
[&pConfig, i](const std::pair<zes_ras_error_category_exp_t, uint64_t> &element) {
return element.first == pConfig[i].category;
});
if (it != categoryExpThresholds.end()) {
pConfig[i].threshold = it->second;
} else {
pConfig[i].threshold = 0;
}
}
return ZE_RESULT_SUCCESS;
}
ze_result_t LinuxRasImp::osRasSetConfigExp(const uint32_t count, const zes_intel_ras_config_exp_t *pConfig) {
if (pFsAccess->isRootUser() == true) {
categoryExpThresholds.clear();
for (uint32_t i = 0; i < count; i++) {
categoryExpThresholds.push_back(std::make_pair(pConfig[i].category, pConfig[i].threshold));
}
return ZE_RESULT_SUCCESS;
}
PRINT_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Error@ %s(): Insufficient permissions and returning error:0x%x \n", __FUNCTION__, ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS);
return ZE_RESULT_ERROR_INSUFFICIENT_PERMISSIONS;
}
void LinuxRasImp::initSources() {
rasSources.push_back(std::make_unique<L0::LinuxRasSourceGt>(pLinuxSysmanImp, osRasErrorType, isSubdevice, subdeviceId));
if (isMemoryTypeHbm(pLinuxSysmanImp) == true) {
rasSources.push_back(std::make_unique<L0::LinuxRasSourceHbm>(pLinuxSysmanImp, osRasErrorType, subdeviceId));
}
for (const auto &rasSource : rasSources) {
auto categories = rasSource->getSupportedErrorCategories(osRasErrorType);
for ([[maybe_unused]] const auto &category : categories) {
DEBUG_BREAK_IF(std::find(supportedErrorCategoriesExp.begin(), supportedErrorCategoriesExp.end(), category) != supportedErrorCategoriesExp.end());
}
supportedErrorCategoriesExp.insert(supportedErrorCategoriesExp.end(), categories.begin(), categories.end());
}
}
LinuxRasImp::LinuxRasImp(OsSysman *pOsSysman, zes_ras_error_type_t type, ze_bool_t onSubdevice, uint32_t subdeviceId) : osRasErrorType(type), isSubdevice(onSubdevice), subdeviceId(subdeviceId) {
pLinuxSysmanImp = static_cast<LinuxSysmanImp *>(pOsSysman);
pFsAccess = &pLinuxSysmanImp->getFsAccess();
initSources();
}
OsRas *OsRas::create(OsSysman *pOsSysman, zes_ras_error_type_t type, ze_bool_t onSubdevice, uint32_t subdeviceId) {
LinuxRasImp *pLinuxRasImp = new LinuxRasImp(pOsSysman, type, onSubdevice, subdeviceId);
return static_cast<OsRas *>(pLinuxRasImp);
}
} // namespace L0
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