1 /** 2 * Copyright (C) 2019 IBM Corporation 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "nmi_interface.hpp" 18 19 #include <libpdbg.h> 20 21 #include <phosphor-logging/elog-errors.hpp> 22 #include <phosphor-logging/elog.hpp> 23 #include <xyz/openbmc_project/Common/error.hpp> 24 25 namespace openpower 26 { 27 namespace proc 28 { 29 30 NMI::NMI(sdbusplus::bus::bus& bus, const char* path) : 31 Interface(bus, path), bus(bus), objectPath(path) 32 {} 33 34 #ifdef SDBUSPP_NEW_CAMELCASE 35 void NMI::nmi() 36 #else 37 void NMI::nMI() 38 #endif 39 { 40 using namespace phosphor::logging; 41 using InternalFailure = 42 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 43 44 struct pdbg_target* target; 45 46 pdbg_for_each_class_target("thread", target) 47 { 48 if (pdbg_target_probe(target) != PDBG_TARGET_ENABLED) 49 continue; 50 51 if (thread_stop(target) < 0 || !thread_status(target).quiesced) 52 { 53 log<level::ERR>("Failed to stop all threads"); 54 report<InternalFailure>(); 55 return; 56 } 57 } 58 59 if (thread_sreset_all() < 0) 60 { 61 log<level::ERR>("Failed to sreset all threads"); 62 report<InternalFailure>(); 63 } 64 } 65 } // namespace proc 66 } // namespace openpower 67