14f0d1de6SSteve Foreman // Copyright 2022 Google LLC 2a2056e9cSWilly Tu // 3a2056e9cSWilly Tu // Licensed under the Apache License, Version 2.0 (the "License"); 4a2056e9cSWilly Tu // you may not use this file except in compliance with the License. 5a2056e9cSWilly Tu // You may obtain a copy of the License at 6a2056e9cSWilly Tu // 7a2056e9cSWilly Tu // http://www.apache.org/licenses/LICENSE-2.0 8a2056e9cSWilly Tu // 9a2056e9cSWilly Tu // Unless required by applicable law or agreed to in writing, software 10a2056e9cSWilly Tu // distributed under the License is distributed on an "AS IS" BASIS, 11a2056e9cSWilly Tu // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12a2056e9cSWilly Tu // See the License for the specific language governing permissions and 13a2056e9cSWilly Tu // limitations under the License. 14*8d618532SMichael Shen 15f085d91dSPatrick Venture #include "handler.hpp" 16f085d91dSPatrick Venture 17444b5ea4SPatrick Williams #include "bm_config.h" 18444b5ea4SPatrick Williams 198ec4106bSNikhil Namjoshi #include "bmc_mode_enum.hpp" 20d2037c6aSPatrick Venture #include "errors.hpp" 21c87de558SPatrick Venture #include "handler_impl.hpp" 22ab650004SPatrick Venture #include "util.hpp" 23d2037c6aSPatrick Venture 243b1b427cSWilly Tu #include <fcntl.h> 25d2037c6aSPatrick Venture #include <ipmid/api.h> 263b1b427cSWilly Tu #include <mtd/mtd-abi.h> 273b1b427cSWilly Tu #include <mtd/mtd-user.h> 283b1b427cSWilly Tu #include <sys/ioctl.h> 293b1b427cSWilly Tu #include <unistd.h> 30d2037c6aSPatrick Venture 31444b5ea4SPatrick Williams #include <nlohmann/json.hpp> 32444b5ea4SPatrick Williams #include <phosphor-logging/elog-errors.hpp> 33444b5ea4SPatrick Williams #include <phosphor-logging/log.hpp> 34444b5ea4SPatrick Williams #include <sdbusplus/bus.hpp> 35*8d618532SMichael Shen #include <stdplus/print.hpp> 36444b5ea4SPatrick Williams #include <xyz/openbmc_project/Common/error.hpp> 37444b5ea4SPatrick Williams 38bb90d4fdSPatrick Venture #include <cinttypes> 39d2037c6aSPatrick Venture #include <cstdio> 40d2037c6aSPatrick Venture #include <filesystem> 41d2037c6aSPatrick Venture #include <fstream> 4207f85150SPatrick Venture #include <map> 43d2037c6aSPatrick Venture #include <sstream> 44d2037c6aSPatrick Venture #include <string> 4529f35bceSWilliam A. Kennington III #include <string_view> 46d2037c6aSPatrick Venture #include <tuple> 474f0d1de6SSteve Foreman #include <variant> 485e70dc8cSNikhil Namjoshi 49f085d91dSPatrick Venture #ifndef NCSI_IF_NAME 50f085d91dSPatrick Venture #define NCSI_IF_NAME eth0 51f085d91dSPatrick Venture #endif 52f085d91dSPatrick Venture 53f085d91dSPatrick Venture // To deal with receiving a string without quotes. 54f085d91dSPatrick Venture #define QUOTE(name) #name 55f085d91dSPatrick Venture #define STR(macro) QUOTE(macro) 56f085d91dSPatrick Venture #define NCSI_IF_NAME_STR STR(NCSI_IF_NAME) 57f085d91dSPatrick Venture 588d3d46a2SWilliam A. Kennington III namespace ipmi 598d3d46a2SWilliam A. Kennington III { 608d3d46a2SWilliam A. Kennington III std::uint8_t getChannelByName(const std::string& chName); 618d3d46a2SWilliam A. Kennington III } 628d3d46a2SWilliam A. Kennington III 63f085d91dSPatrick Venture namespace google 64f085d91dSPatrick Venture { 65f085d91dSPatrick Venture namespace ipmi 66f085d91dSPatrick Venture { 6707f85150SPatrick Venture using Json = nlohmann::json; 6807f85150SPatrick Venture using namespace phosphor::logging; 6907f85150SPatrick Venture using InternalFailure = 7007f85150SPatrick Venture sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 71f085d91dSPatrick Venture 7215d4d21cSHao Zhou uint8_t isBmcInBareMetalMode(const std::unique_ptr<FileSystemInterface>& fs) 735e70dc8cSNikhil Namjoshi { 745e70dc8cSNikhil Namjoshi #if BARE_METAL 755e70dc8cSNikhil Namjoshi return static_cast<uint8_t>(BmcMode::BM_MODE); 765e70dc8cSNikhil Namjoshi #else 773f3ca035SBrandon Kim std::error_code ec; 784baf41c8SHao Zhou 7915d4d21cSHao Zhou if (fs->exists(bmDriveCleaningDoneAckFlagPath, ec)) 803f3ca035SBrandon Kim { 81*8d618532SMichael Shen stdplus::print( 824baf41c8SHao Zhou stderr, 83*8d618532SMichael Shen "{} exists so we acked cleaning done and must be in BM mode\n", 844baf41c8SHao Zhou bmDriveCleaningDoneAckFlagPath); 853f3ca035SBrandon Kim return static_cast<uint8_t>(BmcMode::BM_MODE); 863f3ca035SBrandon Kim } 873f3ca035SBrandon Kim 8815d4d21cSHao Zhou if (fs->exists(bmDriveCleaningDoneFlagPath, ec)) 894baf41c8SHao Zhou { 9015d4d21cSHao Zhou fs->rename(bmDriveCleaningDoneFlagPath, bmDriveCleaningDoneAckFlagPath, 914baf41c8SHao Zhou ec); 92*8d618532SMichael Shen stdplus::print( 934baf41c8SHao Zhou stderr, 94*8d618532SMichael Shen "{} exists so we just finished cleaning and must be in BM mode\n", 954baf41c8SHao Zhou bmDriveCleaningDoneFlagPath); 964baf41c8SHao Zhou return static_cast<uint8_t>(BmcMode::BM_MODE); 974baf41c8SHao Zhou } 984baf41c8SHao Zhou 9915d4d21cSHao Zhou if (fs->exists(BM_SIGNAL_PATH, ec)) 1004baf41c8SHao Zhou { 10115d4d21cSHao Zhou if (!fs->exists(bmDriveCleaningFlagPath, ec)) 1024baf41c8SHao Zhou { 10315d4d21cSHao Zhou fs->create(bmDriveCleaningFlagPath); 1044baf41c8SHao Zhou } 1054baf41c8SHao Zhou 106*8d618532SMichael Shen stdplus::print( 1074baf41c8SHao Zhou stderr, 108*8d618532SMichael Shen "{} exists and no done/ack flag, we must be in BM cleaning mode\n", 1093f3ca035SBrandon Kim BM_SIGNAL_PATH); 1104baf41c8SHao Zhou return static_cast<uint8_t>(BmcMode::BM_CLEANING_MODE); 1114baf41c8SHao Zhou } 1124baf41c8SHao Zhou 113*8d618532SMichael Shen stdplus::print( 1144baf41c8SHao Zhou stderr, 1154baf41c8SHao Zhou "Unable to find any BM state files so we must not be in BM mode\n"); 1165e70dc8cSNikhil Namjoshi return static_cast<uint8_t>(BmcMode::NON_BM_MODE); 1175e70dc8cSNikhil Namjoshi #endif 1185e70dc8cSNikhil Namjoshi } 1195e70dc8cSNikhil Namjoshi 1205e70dc8cSNikhil Namjoshi uint8_t Handler::getBmcMode() 1215e70dc8cSNikhil Namjoshi { 1225e70dc8cSNikhil Namjoshi // BM_CLEANING_MODE is not implemented yet 12315d4d21cSHao Zhou return isBmcInBareMetalMode(this->getFs()); 1245e70dc8cSNikhil Namjoshi } 1255e70dc8cSNikhil Namjoshi 126b69209b4SWilliam A. Kennington III std::tuple<std::uint8_t, std::string> 127b69209b4SWilliam A. Kennington III Handler::getEthDetails(std::string intf) const 128f085d91dSPatrick Venture { 129b69209b4SWilliam A. Kennington III if (intf.empty()) 130b69209b4SWilliam A. Kennington III { 131b69209b4SWilliam A. Kennington III intf = NCSI_IF_NAME_STR; 132b69209b4SWilliam A. Kennington III } 133b69209b4SWilliam A. Kennington III return std::make_tuple(::ipmi::getChannelByName(intf), std::move(intf)); 134f085d91dSPatrick Venture } 135f085d91dSPatrick Venture 136d2037c6aSPatrick Venture std::int64_t Handler::getRxPackets(const std::string& name) const 137d2037c6aSPatrick Venture { 138d2037c6aSPatrick Venture std::ostringstream opath; 139d2037c6aSPatrick Venture opath << "/sys/class/net/" << name << "/statistics/rx_packets"; 140d2037c6aSPatrick Venture std::string path = opath.str(); 141d2037c6aSPatrick Venture 142d2037c6aSPatrick Venture // Minor sanity & security check (of course, I'm less certain if unicode 143d2037c6aSPatrick Venture // comes into play here. 144d2037c6aSPatrick Venture // 145d2037c6aSPatrick Venture // Basically you can't easily inject ../ or /../ into the path below. 146d2037c6aSPatrick Venture if (name.find("/") != std::string::npos) 147d2037c6aSPatrick Venture { 148*8d618532SMichael Shen stdplus::print(stderr, "Invalid or illegal name: '{}'\n", name); 149e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidFieldRequest); 150d2037c6aSPatrick Venture } 151d2037c6aSPatrick Venture 152d2037c6aSPatrick Venture std::error_code ec; 15315d4d21cSHao Zhou if (!this->getFs()->exists(path, ec)) 154d2037c6aSPatrick Venture { 155*8d618532SMichael Shen stdplus::print(stderr, "Path: '{}' doesn't exist.\n", path); 156e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidFieldRequest); 157d2037c6aSPatrick Venture } 158d2037c6aSPatrick Venture // We're uninterested in the state of ec. 159d2037c6aSPatrick Venture 160d2037c6aSPatrick Venture int64_t count = 0; 161d2037c6aSPatrick Venture std::ifstream ifs; 162d2037c6aSPatrick Venture ifs.exceptions(std::ifstream::failbit); 163d2037c6aSPatrick Venture try 164d2037c6aSPatrick Venture { 165d2037c6aSPatrick Venture ifs.open(path); 166d2037c6aSPatrick Venture ifs >> count; 167d2037c6aSPatrick Venture } 168d2037c6aSPatrick Venture catch (std::ios_base::failure& fail) 169d2037c6aSPatrick Venture { 170e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 171d2037c6aSPatrick Venture } 172d2037c6aSPatrick Venture 173d2037c6aSPatrick Venture return count; 174d2037c6aSPatrick Venture } 175d2037c6aSPatrick Venture 176bb90d4fdSPatrick Venture VersionTuple Handler::getCpldVersion(unsigned int id) const 177bb90d4fdSPatrick Venture { 178bb90d4fdSPatrick Venture std::ostringstream opath; 179bb90d4fdSPatrick Venture opath << "/run/cpld" << id << ".version"; 180bb90d4fdSPatrick Venture // Check for file 181bb90d4fdSPatrick Venture 182bb90d4fdSPatrick Venture std::error_code ec; 18315d4d21cSHao Zhou if (!this->getFs()->exists(opath.str(), ec)) 184bb90d4fdSPatrick Venture { 185*8d618532SMichael Shen stdplus::print(stderr, "Path: '{}' doesn't exist.\n", opath.str()); 186e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidFieldRequest); 187bb90d4fdSPatrick Venture } 188bb90d4fdSPatrick Venture // We're uninterested in the state of ec. 189bb90d4fdSPatrick Venture 190bb90d4fdSPatrick Venture // If file exists, read. 191bb90d4fdSPatrick Venture std::ifstream ifs; 192bb90d4fdSPatrick Venture ifs.exceptions(std::ifstream::failbit); 193bb90d4fdSPatrick Venture std::string value; 194bb90d4fdSPatrick Venture try 195bb90d4fdSPatrick Venture { 196bb90d4fdSPatrick Venture ifs.open(opath.str()); 197bb90d4fdSPatrick Venture ifs >> value; 198bb90d4fdSPatrick Venture } 199bb90d4fdSPatrick Venture catch (std::ios_base::failure& fail) 200bb90d4fdSPatrick Venture { 201e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 202bb90d4fdSPatrick Venture } 203bb90d4fdSPatrick Venture 204bb90d4fdSPatrick Venture // If value parses as expected, return version. 205bb90d4fdSPatrick Venture VersionTuple version = std::make_tuple(0, 0, 0, 0); 206bb90d4fdSPatrick Venture 207444b5ea4SPatrick Williams int num_fields = std::sscanf(value.c_str(), 208444b5ea4SPatrick Williams "%" SCNu8 ".%" SCNu8 ".%" SCNu8 ".%" SCNu8, 209bb90d4fdSPatrick Venture &std::get<0>(version), &std::get<1>(version), 210bb90d4fdSPatrick Venture &std::get<2>(version), &std::get<3>(version)); 211bb90d4fdSPatrick Venture if (num_fields == 0) 212bb90d4fdSPatrick Venture { 213*8d618532SMichael Shen stdplus::print(stderr, "Invalid version.\n"); 214e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 215bb90d4fdSPatrick Venture } 216bb90d4fdSPatrick Venture 217bb90d4fdSPatrick Venture return version; 218bb90d4fdSPatrick Venture } 219bb90d4fdSPatrick Venture 220aa374120SPatrick Venture static constexpr auto TIME_DELAY_FILENAME = "/run/psu_timedelay"; 221aa374120SPatrick Venture static constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1"; 222aa374120SPatrick Venture static constexpr auto SYSTEMD_ROOT = "/org/freedesktop/systemd1"; 223aa374120SPatrick Venture static constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager"; 224aa374120SPatrick Venture static constexpr auto PSU_HARDRESET_TARGET = "gbmc-psu-hardreset.target"; 225aa374120SPatrick Venture 226aa374120SPatrick Venture void Handler::psuResetDelay(std::uint32_t delay) const 227aa374120SPatrick Venture { 228aa374120SPatrick Venture std::ofstream ofs; 229aa374120SPatrick Venture ofs.open(TIME_DELAY_FILENAME, std::ofstream::out); 230aa374120SPatrick Venture if (!ofs.good()) 231aa374120SPatrick Venture { 232*8d618532SMichael Shen stdplus::print(stderr, "Unable to open file for output.\n"); 233e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 234aa374120SPatrick Venture } 235aa374120SPatrick Venture 236aa374120SPatrick Venture ofs << "PSU_HARDRESET_DELAY=" << delay << std::endl; 237aa374120SPatrick Venture if (ofs.fail()) 238aa374120SPatrick Venture { 239*8d618532SMichael Shen stdplus::print(stderr, "Write failed\n"); 240aa374120SPatrick Venture ofs.close(); 241e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 242aa374120SPatrick Venture } 243aa374120SPatrick Venture 244aa374120SPatrick Venture // Write succeeded, please continue. 245aa374120SPatrick Venture ofs.flush(); 246aa374120SPatrick Venture ofs.close(); 247aa374120SPatrick Venture 248aa374120SPatrick Venture auto bus = sdbusplus::bus::new_default(); 249aa374120SPatrick Venture auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_ROOT, 250aa374120SPatrick Venture SYSTEMD_INTERFACE, "StartUnit"); 251aa374120SPatrick Venture 252aa374120SPatrick Venture method.append(PSU_HARDRESET_TARGET); 253aa374120SPatrick Venture method.append("replace"); 254aa374120SPatrick Venture 255aa374120SPatrick Venture try 256aa374120SPatrick Venture { 257aa374120SPatrick Venture bus.call_noreply(method); 258aa374120SPatrick Venture } 259aa374120SPatrick Venture catch (const sdbusplus::exception::SdBusError& ex) 260aa374120SPatrick Venture { 261aa374120SPatrick Venture log<level::ERR>("Failed to call PSU hard reset"); 262e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 263aa374120SPatrick Venture } 264aa374120SPatrick Venture } 265aa374120SPatrick Venture 266ac4a16f7SShounak Mitra static constexpr auto RESET_ON_SHUTDOWN_FILENAME = "/run/powercycle_on_s5"; 267ac4a16f7SShounak Mitra 268ac4a16f7SShounak Mitra void Handler::psuResetOnShutdown() const 269ac4a16f7SShounak Mitra { 270ac4a16f7SShounak Mitra std::ofstream ofs; 271ac4a16f7SShounak Mitra ofs.open(RESET_ON_SHUTDOWN_FILENAME, std::ofstream::out); 272ac4a16f7SShounak Mitra if (!ofs.good()) 273ac4a16f7SShounak Mitra { 274*8d618532SMichael Shen stdplus::print(stderr, "Unable to open file for output.\n"); 275e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 276ac4a16f7SShounak Mitra } 277ac4a16f7SShounak Mitra ofs.close(); 278ac4a16f7SShounak Mitra } 279ac4a16f7SShounak Mitra 2803b1b427cSWilly Tu uint32_t Handler::getFlashSize() 2813b1b427cSWilly Tu { 2823b1b427cSWilly Tu mtd_info_t info; 2833b1b427cSWilly Tu int fd = open("/dev/mtd0", O_RDONLY); 2843b1b427cSWilly Tu int err = ioctl(fd, MEMGETINFO, &info); 2853b1b427cSWilly Tu close(fd); 2863b1b427cSWilly Tu 2873b1b427cSWilly Tu if (err) 2883b1b427cSWilly Tu { 289e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 2903b1b427cSWilly Tu } 2913b1b427cSWilly Tu return info.size; 2923b1b427cSWilly Tu } 2933b1b427cSWilly Tu 294ab650004SPatrick Venture std::string Handler::getEntityName(std::uint8_t id, std::uint8_t instance) 29507f85150SPatrick Venture { 296ab650004SPatrick Venture // Check if we support this Entity ID. 297ab650004SPatrick Venture auto it = _entityIdToName.find(id); 298ab650004SPatrick Venture if (it == _entityIdToName.end()) 29907f85150SPatrick Venture { 300ab650004SPatrick Venture log<level::ERR>("Unknown Entity ID", entry("ENTITY_ID=%d", id)); 301e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidFieldRequest); 30207f85150SPatrick Venture } 30307f85150SPatrick Venture 304ab650004SPatrick Venture std::string entityName; 305ab650004SPatrick Venture try 30607f85150SPatrick Venture { 307ab650004SPatrick Venture // Parse the JSON config file. 308ab650004SPatrick Venture if (!_entityConfigParsed) 309ab650004SPatrick Venture { 310ab650004SPatrick Venture _entityConfig = parseConfig(_configFile); 311ab650004SPatrick Venture _entityConfigParsed = true; 31207f85150SPatrick Venture } 31307f85150SPatrick Venture 314ab650004SPatrick Venture // Find the "entity id:entity instance" mapping to entity name. 315ab650004SPatrick Venture entityName = readNameFromConfig(it->second, instance, _entityConfig); 316ab650004SPatrick Venture if (entityName.empty()) 317ab650004SPatrick Venture { 318e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidFieldRequest); 319ab650004SPatrick Venture } 320ab650004SPatrick Venture } 321ab650004SPatrick Venture catch (InternalFailure& e) 322ab650004SPatrick Venture { 323e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 32407f85150SPatrick Venture } 32507f85150SPatrick Venture 326ab650004SPatrick Venture return entityName; 327ab650004SPatrick Venture } 328ab650004SPatrick Venture 32929f35bceSWilliam A. Kennington III std::string Handler::getMachineName() 33029f35bceSWilliam A. Kennington III { 33129f35bceSWilliam A. Kennington III const char* path = "/etc/os-release"; 33229f35bceSWilliam A. Kennington III std::ifstream ifs(path); 33329f35bceSWilliam A. Kennington III if (ifs.fail()) 33429f35bceSWilliam A. Kennington III { 335*8d618532SMichael Shen stdplus::print(stderr, "Failed to open: {}\n", path); 336e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 33729f35bceSWilliam A. Kennington III } 33829f35bceSWilliam A. Kennington III 33929f35bceSWilliam A. Kennington III std::string line; 34029f35bceSWilliam A. Kennington III while (true) 34129f35bceSWilliam A. Kennington III { 34229f35bceSWilliam A. Kennington III std::getline(ifs, line); 34329f35bceSWilliam A. Kennington III if (ifs.eof()) 34429f35bceSWilliam A. Kennington III { 345*8d618532SMichael Shen stdplus::print(stderr, 346*8d618532SMichael Shen "Failed to find OPENBMC_TARGET_MACHINE: {}\n", path); 347e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidCommand); 34829f35bceSWilliam A. Kennington III } 34929f35bceSWilliam A. Kennington III if (ifs.fail()) 35029f35bceSWilliam A. Kennington III { 351*8d618532SMichael Shen stdplus::print(stderr, "Failed to read: {}\n", path); 352e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 35329f35bceSWilliam A. Kennington III } 35429f35bceSWilliam A. Kennington III std::string_view lineView(line); 35529f35bceSWilliam A. Kennington III constexpr std::string_view prefix = "OPENBMC_TARGET_MACHINE="; 35629f35bceSWilliam A. Kennington III if (lineView.substr(0, prefix.size()) != prefix) 35729f35bceSWilliam A. Kennington III { 35829f35bceSWilliam A. Kennington III continue; 35929f35bceSWilliam A. Kennington III } 36029f35bceSWilliam A. Kennington III lineView.remove_prefix(prefix.size()); 36129f35bceSWilliam A. Kennington III lineView.remove_prefix( 36229f35bceSWilliam A. Kennington III std::min(lineView.find_first_not_of('"'), lineView.size())); 36329f35bceSWilliam A. Kennington III lineView.remove_suffix( 36429f35bceSWilliam A. Kennington III lineView.size() - 1 - 36529f35bceSWilliam A. Kennington III std::min(lineView.find_last_not_of('"'), lineView.size() - 1)); 36629f35bceSWilliam A. Kennington III return std::string(lineView); 36729f35bceSWilliam A. Kennington III } 36829f35bceSWilliam A. Kennington III } 36929f35bceSWilliam A. Kennington III 3708cfa4c44Slinyuny static constexpr auto HOST_TIME_DELAY_FILENAME = "/run/host_poweroff_delay"; 3718cfa4c44Slinyuny static constexpr auto HOST_POWEROFF_TARGET = "gbmc-host-poweroff.target"; 3728cfa4c44Slinyuny 3738cfa4c44Slinyuny void Handler::hostPowerOffDelay(std::uint32_t delay) const 3748cfa4c44Slinyuny { 3758cfa4c44Slinyuny // Set time delay 3768cfa4c44Slinyuny std::ofstream ofs; 3778cfa4c44Slinyuny ofs.open(HOST_TIME_DELAY_FILENAME, std::ofstream::out); 3788cfa4c44Slinyuny if (!ofs.good()) 3798cfa4c44Slinyuny { 380*8d618532SMichael Shen stdplus::print(stderr, "Unable to open file for output.\n"); 381e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 3828cfa4c44Slinyuny } 3838cfa4c44Slinyuny 3848cfa4c44Slinyuny ofs << "HOST_POWEROFF_DELAY=" << delay << std::endl; 3858cfa4c44Slinyuny ofs.close(); 3868cfa4c44Slinyuny if (ofs.fail()) 3878cfa4c44Slinyuny { 388*8d618532SMichael Shen stdplus::print(stderr, "Write failed\n"); 389e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 3908cfa4c44Slinyuny } 3918cfa4c44Slinyuny 3928cfa4c44Slinyuny // Write succeeded, please continue. 3938cfa4c44Slinyuny auto bus = sdbusplus::bus::new_default(); 3948cfa4c44Slinyuny auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_ROOT, 3958cfa4c44Slinyuny SYSTEMD_INTERFACE, "StartUnit"); 3968cfa4c44Slinyuny 3978cfa4c44Slinyuny method.append(HOST_POWEROFF_TARGET); 3988cfa4c44Slinyuny method.append("replace"); 3998cfa4c44Slinyuny 4008cfa4c44Slinyuny try 4018cfa4c44Slinyuny { 4028cfa4c44Slinyuny bus.call_noreply(method); 4038cfa4c44Slinyuny } 4048cfa4c44Slinyuny catch (const sdbusplus::exception::SdBusError& ex) 4058cfa4c44Slinyuny { 4068cfa4c44Slinyuny log<level::ERR>("Failed to call Power Off", 4078cfa4c44Slinyuny entry("WHAT=%s", ex.what())); 408e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 4098cfa4c44Slinyuny } 4108cfa4c44Slinyuny } 4118cfa4c44Slinyuny 412ab650004SPatrick Venture std::string readNameFromConfig(const std::string& type, uint8_t instance, 413ab650004SPatrick Venture const Json& config) 41407f85150SPatrick Venture { 41507f85150SPatrick Venture static const std::vector<Json> empty{}; 41607f85150SPatrick Venture std::vector<Json> readings = config.value(type, empty); 41707f85150SPatrick Venture std::string name = ""; 418ab650004SPatrick Venture 41907f85150SPatrick Venture for (const auto& j : readings) 42007f85150SPatrick Venture { 42107f85150SPatrick Venture uint8_t instanceNum = j.value("instance", 0); 42207f85150SPatrick Venture // Not the instance we're interested in 42307f85150SPatrick Venture if (instanceNum != instance) 42407f85150SPatrick Venture { 42507f85150SPatrick Venture continue; 42607f85150SPatrick Venture } 42707f85150SPatrick Venture 42807f85150SPatrick Venture // Found the instance we're interested in 42907f85150SPatrick Venture name = j.value("name", ""); 43007f85150SPatrick Venture 43107f85150SPatrick Venture break; 43207f85150SPatrick Venture } 433ab650004SPatrick Venture 43407f85150SPatrick Venture return name; 43507f85150SPatrick Venture } 43607f85150SPatrick Venture 43749f23ad9SPatrick Venture void Handler::buildI2cPcieMapping() 43849f23ad9SPatrick Venture { 43949f23ad9SPatrick Venture _pcie_i2c_map = buildPcieMap(); 44049f23ad9SPatrick Venture } 44149f23ad9SPatrick Venture 44249f23ad9SPatrick Venture size_t Handler::getI2cPcieMappingSize() const 44349f23ad9SPatrick Venture { 44449f23ad9SPatrick Venture return _pcie_i2c_map.size(); 44549f23ad9SPatrick Venture } 44649f23ad9SPatrick Venture 44749f23ad9SPatrick Venture std::tuple<std::uint32_t, std::string> 44849f23ad9SPatrick Venture Handler::getI2cEntry(unsigned int entry) const 44949f23ad9SPatrick Venture { 45049f23ad9SPatrick Venture return _pcie_i2c_map[entry]; 45149f23ad9SPatrick Venture } 45249f23ad9SPatrick Venture 4534f0d1de6SSteve Foreman namespace 4544f0d1de6SSteve Foreman { 4554f0d1de6SSteve Foreman 4564f0d1de6SSteve Foreman static constexpr std::string_view ACCEL_OOB_ROOT = "/com/google/customAccel/"; 4574f0d1de6SSteve Foreman static constexpr char ACCEL_OOB_SERVICE[] = "com.google.custom_accel"; 4584f0d1de6SSteve Foreman static constexpr char ACCEL_OOB_INTERFACE[] = "com.google.custom_accel.BAR"; 4594f0d1de6SSteve Foreman 4604f0d1de6SSteve Foreman // C type for "a{oa{sa{sv}}}" from DBus.ObjectManager::GetManagedObjects() 4614f0d1de6SSteve Foreman using AnyType = std::variant<std::string, uint8_t, uint32_t, uint64_t>; 4624f0d1de6SSteve Foreman using AnyTypeList = std::vector<std::pair<std::string, AnyType>>; 4634f0d1de6SSteve Foreman using NamedArrayOfAnyTypeLists = 4644f0d1de6SSteve Foreman std::vector<std::pair<std::string, AnyTypeList>>; 4654f0d1de6SSteve Foreman using ArrayOfObjectPathsAndTieredAnyTypeLists = std::vector< 4664f0d1de6SSteve Foreman std::pair<sdbusplus::message::object_path, NamedArrayOfAnyTypeLists>>; 4674f0d1de6SSteve Foreman 4684f0d1de6SSteve Foreman } // namespace 4694f0d1de6SSteve Foreman 47065371228SPatrick Williams sdbusplus::bus_t Handler::getDbus() const 4714f0d1de6SSteve Foreman { 4724f0d1de6SSteve Foreman return sdbusplus::bus::new_default(); 4734f0d1de6SSteve Foreman } 4744f0d1de6SSteve Foreman 47515d4d21cSHao Zhou const std::unique_ptr<FileSystemInterface>& Handler::getFs() const 47615d4d21cSHao Zhou { 47715d4d21cSHao Zhou return this->fsPtr; 47815d4d21cSHao Zhou } 47915d4d21cSHao Zhou 4804f0d1de6SSteve Foreman uint32_t Handler::accelOobDeviceCount() const 4814f0d1de6SSteve Foreman { 4824f0d1de6SSteve Foreman ArrayOfObjectPathsAndTieredAnyTypeLists data; 4834f0d1de6SSteve Foreman 4844f0d1de6SSteve Foreman try 4854f0d1de6SSteve Foreman { 4860e928ac6SMichael Shen auto bus = getDbus(); 4874f0d1de6SSteve Foreman auto method = bus.new_method_call(ACCEL_OOB_SERVICE, "/", 4884f0d1de6SSteve Foreman "org.freedesktop.DBus.ObjectManager", 4894f0d1de6SSteve Foreman "GetManagedObjects"); 4904f0d1de6SSteve Foreman bus.call(method).read(data); 4914f0d1de6SSteve Foreman } 4924f0d1de6SSteve Foreman catch (const sdbusplus::exception::SdBusError& ex) 4934f0d1de6SSteve Foreman { 4944f0d1de6SSteve Foreman log<level::ERR>( 4954f0d1de6SSteve Foreman "Failed to call GetManagedObjects on com.google.custom_accel", 4964f0d1de6SSteve Foreman entry("WHAT=%s", ex.what())); 497e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 4984f0d1de6SSteve Foreman } 4994f0d1de6SSteve Foreman 5004f0d1de6SSteve Foreman return data.size(); 5014f0d1de6SSteve Foreman } 5024f0d1de6SSteve Foreman 5034f0d1de6SSteve Foreman std::string Handler::accelOobDeviceName(size_t index) const 5044f0d1de6SSteve Foreman { 5054f0d1de6SSteve Foreman ArrayOfObjectPathsAndTieredAnyTypeLists data; 5064f0d1de6SSteve Foreman 5074f0d1de6SSteve Foreman try 5084f0d1de6SSteve Foreman { 5090e928ac6SMichael Shen auto bus = getDbus(); 5104f0d1de6SSteve Foreman auto method = bus.new_method_call(ACCEL_OOB_SERVICE, "/", 5114f0d1de6SSteve Foreman "org.freedesktop.DBus.ObjectManager", 5124f0d1de6SSteve Foreman "GetManagedObjects"); 5134f0d1de6SSteve Foreman bus.call(method).read(data); 5144f0d1de6SSteve Foreman } 5154f0d1de6SSteve Foreman catch (const sdbusplus::exception::SdBusError& ex) 5164f0d1de6SSteve Foreman { 5174f0d1de6SSteve Foreman log<level::ERR>( 5184f0d1de6SSteve Foreman "Failed to call GetManagedObjects on com.google.custom_accel", 5194f0d1de6SSteve Foreman entry("WHAT=%s", ex.what())); 520e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 5214f0d1de6SSteve Foreman } 5224f0d1de6SSteve Foreman 5234f0d1de6SSteve Foreman if (index >= data.size()) 5244f0d1de6SSteve Foreman { 5254f0d1de6SSteve Foreman log<level::WARNING>( 5264f0d1de6SSteve Foreman "Requested index is larger than the number of entries.", 5274f0d1de6SSteve Foreman entry("INDEX=%zu", index), entry("NUM_NAMES=%zu", data.size())); 528e5a06675SMichael Shen throw IpmiException(::ipmi::ccParmOutOfRange); 5294f0d1de6SSteve Foreman } 5304f0d1de6SSteve Foreman 5314f0d1de6SSteve Foreman std::string_view name(data[index].first.str); 5324f0d1de6SSteve Foreman if (!name.starts_with(ACCEL_OOB_ROOT)) 5334f0d1de6SSteve Foreman { 534e5a06675SMichael Shen throw IpmiException(::ipmi::ccInvalidCommand); 5354f0d1de6SSteve Foreman } 5364f0d1de6SSteve Foreman name.remove_prefix(ACCEL_OOB_ROOT.length()); 5374f0d1de6SSteve Foreman return std::string(name); 5384f0d1de6SSteve Foreman } 5394f0d1de6SSteve Foreman 5404f0d1de6SSteve Foreman uint64_t Handler::accelOobRead(std::string_view name, uint64_t address, 5414f0d1de6SSteve Foreman uint8_t num_bytes) const 5424f0d1de6SSteve Foreman { 5434f0d1de6SSteve Foreman static constexpr char ACCEL_OOB_METHOD[] = "Read"; 5444f0d1de6SSteve Foreman 5454f0d1de6SSteve Foreman std::string object_name(ACCEL_OOB_ROOT); 5464f0d1de6SSteve Foreman object_name.append(name); 5474f0d1de6SSteve Foreman 5480e928ac6SMichael Shen auto bus = getDbus(); 5494f0d1de6SSteve Foreman auto method = bus.new_method_call(ACCEL_OOB_SERVICE, object_name.c_str(), 5504f0d1de6SSteve Foreman ACCEL_OOB_INTERFACE, ACCEL_OOB_METHOD); 5514f0d1de6SSteve Foreman method.append(address, static_cast<uint64_t>(num_bytes)); 5524f0d1de6SSteve Foreman 5534f0d1de6SSteve Foreman std::vector<uint8_t> bytes; 5544f0d1de6SSteve Foreman 5554f0d1de6SSteve Foreman try 5564f0d1de6SSteve Foreman { 5574f0d1de6SSteve Foreman bus.call(method).read(bytes); 5584f0d1de6SSteve Foreman } 5594f0d1de6SSteve Foreman catch (const sdbusplus::exception::SdBusError& ex) 5604f0d1de6SSteve Foreman { 5614f0d1de6SSteve Foreman log<level::ERR>("Failed to call Read on com.google.custom_accel", 5624f0d1de6SSteve Foreman entry("WHAT=%s", ex.what()), 5634f0d1de6SSteve Foreman entry("DBUS_SERVICE=%s", ACCEL_OOB_SERVICE), 5644f0d1de6SSteve Foreman entry("DBUS_OBJECT=%s", object_name.c_str()), 5654f0d1de6SSteve Foreman entry("DBUS_INTERFACE=%s", ACCEL_OOB_INTERFACE), 5664f0d1de6SSteve Foreman entry("DBUS_METHOD=%s", ACCEL_OOB_METHOD), 5674f0d1de6SSteve Foreman entry("DBUS_ARG_ADDRESS=%016llx", address), 5684f0d1de6SSteve Foreman entry("DBUS_ARG_NUM_BYTES=%zu", (size_t)num_bytes)); 569e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 5704f0d1de6SSteve Foreman } 5714f0d1de6SSteve Foreman 5724f0d1de6SSteve Foreman if (bytes.size() < num_bytes) 5734f0d1de6SSteve Foreman { 5744f0d1de6SSteve Foreman log<level::ERR>( 5754f0d1de6SSteve Foreman "Call to Read on com.google.custom_accel didn't return the expected" 5764f0d1de6SSteve Foreman " number of bytes.", 5774f0d1de6SSteve Foreman entry("DBUS_SERVICE=%s", ACCEL_OOB_SERVICE), 5784f0d1de6SSteve Foreman entry("DBUS_OBJECT=%s", object_name.c_str()), 5794f0d1de6SSteve Foreman entry("DBUS_INTERFACE=%s", ACCEL_OOB_INTERFACE), 5804f0d1de6SSteve Foreman entry("DBUS_METHOD=%s", ACCEL_OOB_METHOD), 5814f0d1de6SSteve Foreman entry("DBUS_ARG_ADDRESS=%016llx", address), 5824f0d1de6SSteve Foreman entry("DBUS_ARG_NUM_BYTES=%zu", (size_t)num_bytes), 5834f0d1de6SSteve Foreman entry("DBUS_RETURN_SIZE=%zu", bytes.size())); 584e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 5854f0d1de6SSteve Foreman } 5864f0d1de6SSteve Foreman 5874f0d1de6SSteve Foreman if (bytes.size() > sizeof(uint64_t)) 5884f0d1de6SSteve Foreman { 5894f0d1de6SSteve Foreman log<level::ERR>( 5904f0d1de6SSteve Foreman "Call to Read on com.google.custom_accel returned more than 8B.", 5914f0d1de6SSteve Foreman entry("DBUS_SERVICE=%s", ACCEL_OOB_SERVICE), 5924f0d1de6SSteve Foreman entry("DBUS_OBJECT=%s", object_name.c_str()), 5934f0d1de6SSteve Foreman entry("DBUS_INTERFACE=%s", ACCEL_OOB_INTERFACE), 5944f0d1de6SSteve Foreman entry("DBUS_METHOD=%s", ACCEL_OOB_METHOD), 5954f0d1de6SSteve Foreman entry("DBUS_ARG_ADDRESS=%016llx", address), 5964f0d1de6SSteve Foreman entry("DBUS_ARG_NUM_BYTES=%zu", (size_t)num_bytes), 5974f0d1de6SSteve Foreman entry("DBUS_RETURN_SIZE=%zu", bytes.size())); 598e5a06675SMichael Shen throw IpmiException(::ipmi::ccReqDataTruncated); 5994f0d1de6SSteve Foreman } 6004f0d1de6SSteve Foreman 6014f0d1de6SSteve Foreman uint64_t data = 0; 6024f0d1de6SSteve Foreman for (size_t i = 0; i < num_bytes; ++i) 6034f0d1de6SSteve Foreman { 6044f0d1de6SSteve Foreman data = (data << 8) | bytes[i]; 6054f0d1de6SSteve Foreman } 6064f0d1de6SSteve Foreman 6074f0d1de6SSteve Foreman return data; 6084f0d1de6SSteve Foreman } 6094f0d1de6SSteve Foreman 6104f0d1de6SSteve Foreman void Handler::accelOobWrite(std::string_view name, uint64_t address, 6114f0d1de6SSteve Foreman uint8_t num_bytes, uint64_t data) const 6124f0d1de6SSteve Foreman { 6134f0d1de6SSteve Foreman static constexpr std::string_view ACCEL_OOB_METHOD = "Write"; 6144f0d1de6SSteve Foreman 6154f0d1de6SSteve Foreman std::string object_name(ACCEL_OOB_ROOT); 6164f0d1de6SSteve Foreman object_name.append(name); 6174f0d1de6SSteve Foreman 6184f0d1de6SSteve Foreman if (num_bytes > sizeof(data)) 6194f0d1de6SSteve Foreman { 6204f0d1de6SSteve Foreman log<level::ERR>( 6214f0d1de6SSteve Foreman "Call to Write on com.google.custom_accel requested more than 8B.", 6224f0d1de6SSteve Foreman entry("DBUS_SERVICE=%s", ACCEL_OOB_SERVICE), 6234f0d1de6SSteve Foreman entry("DBUS_OBJECT=%s", object_name.c_str()), 6244f0d1de6SSteve Foreman entry("DBUS_INTERFACE=%s", ACCEL_OOB_INTERFACE), 6254f0d1de6SSteve Foreman entry("DBUS_METHOD=%s", ACCEL_OOB_METHOD.data()), 6264f0d1de6SSteve Foreman entry("DBUS_ARG_ADDRESS=%016llx", address), 6274f0d1de6SSteve Foreman entry("DBUS_ARG_NUM_BYTES=%zu", (size_t)num_bytes), 6284f0d1de6SSteve Foreman entry("DBUS_ARG_DATA=%016llx", data)); 629e5a06675SMichael Shen throw IpmiException(::ipmi::ccParmOutOfRange); 6304f0d1de6SSteve Foreman } 6314f0d1de6SSteve Foreman 6324f0d1de6SSteve Foreman std::vector<uint8_t> bytes; 6334f0d1de6SSteve Foreman bytes.reserve(num_bytes); 6344f0d1de6SSteve Foreman for (size_t i = 0; i < num_bytes; ++i) 6354f0d1de6SSteve Foreman { 6364f0d1de6SSteve Foreman bytes.emplace_back(data & 0xff); 6374f0d1de6SSteve Foreman data >>= 8; 6384f0d1de6SSteve Foreman } 6394f0d1de6SSteve Foreman 6404f0d1de6SSteve Foreman try 6414f0d1de6SSteve Foreman { 6420e928ac6SMichael Shen auto bus = getDbus(); 6434f0d1de6SSteve Foreman auto method = 6444f0d1de6SSteve Foreman bus.new_method_call(ACCEL_OOB_SERVICE, object_name.c_str(), 6454f0d1de6SSteve Foreman ACCEL_OOB_INTERFACE, ACCEL_OOB_METHOD.data()); 6464f0d1de6SSteve Foreman method.append(address, bytes); 6474f0d1de6SSteve Foreman bus.call_noreply(method); 6484f0d1de6SSteve Foreman } 6494f0d1de6SSteve Foreman catch (const sdbusplus::exception::SdBusError& ex) 6504f0d1de6SSteve Foreman { 6514f0d1de6SSteve Foreman log<level::ERR>("Failed to call Write on com.google.custom_accel", 6524f0d1de6SSteve Foreman entry("WHAT=%s", ex.what()), 6534f0d1de6SSteve Foreman entry("DBUS_SERVICE=%s", ACCEL_OOB_SERVICE), 6544f0d1de6SSteve Foreman entry("DBUS_OBJECT=%s", object_name.c_str()), 6554f0d1de6SSteve Foreman entry("DBUS_INTERFACE=%s", ACCEL_OOB_INTERFACE), 6564f0d1de6SSteve Foreman entry("DBUS_METHOD=%s", ACCEL_OOB_METHOD.data()), 6574f0d1de6SSteve Foreman entry("DBUS_ARG_ADDRESS=%016llx", address), 6584f0d1de6SSteve Foreman entry("DBUS_ARG_NUM_BYTES=%zu", (size_t)num_bytes), 6594f0d1de6SSteve Foreman entry("DBUS_ARG_DATA=%016llx", data)); 660e5a06675SMichael Shen throw IpmiException(::ipmi::ccUnspecifiedError); 6614f0d1de6SSteve Foreman } 6624f0d1de6SSteve Foreman } 6634f0d1de6SSteve Foreman 6646c71b0f9SWilly Tu std::vector<uint8_t> Handler::pcieBifurcation(uint8_t index) 6656c71b0f9SWilly Tu { 6666c71b0f9SWilly Tu return bifurcationHelper.get().getBifurcation(index).value_or( 6676c71b0f9SWilly Tu std::vector<uint8_t>{}); 6686c71b0f9SWilly Tu } 6696c71b0f9SWilly Tu 670a92d0e6bSJohn Wedig static constexpr auto BARE_METAL_TARGET = "gbmc-bare-metal-active.target"; 671a92d0e6bSJohn Wedig 672a92d0e6bSJohn Wedig void Handler::linuxBootDone() const 673a92d0e6bSJohn Wedig { 67415d4d21cSHao Zhou if (isBmcInBareMetalMode(this->fsPtr) != 67515d4d21cSHao Zhou static_cast<uint8_t>(BmcMode::BM_MODE)) 676a92d0e6bSJohn Wedig { 677a92d0e6bSJohn Wedig return; 678a92d0e6bSJohn Wedig } 679a92d0e6bSJohn Wedig 680a92d0e6bSJohn Wedig log<level::INFO>("LinuxBootDone: Disabling IPMI"); 681a92d0e6bSJohn Wedig 682a92d0e6bSJohn Wedig // Start the bare metal active systemd target. 683a92d0e6bSJohn Wedig auto bus = sdbusplus::bus::new_default(); 684a92d0e6bSJohn Wedig auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_ROOT, 685a92d0e6bSJohn Wedig SYSTEMD_INTERFACE, "StartUnit"); 686a92d0e6bSJohn Wedig 687a92d0e6bSJohn Wedig method.append(BARE_METAL_TARGET); 688a92d0e6bSJohn Wedig method.append("replace"); 689a92d0e6bSJohn Wedig 690a92d0e6bSJohn Wedig try 691a92d0e6bSJohn Wedig { 692a92d0e6bSJohn Wedig bus.call_noreply(method); 693a92d0e6bSJohn Wedig } 694a92d0e6bSJohn Wedig catch (const sdbusplus::exception::SdBusError& ex) 695a92d0e6bSJohn Wedig { 696a92d0e6bSJohn Wedig log<level::ERR>("Failed to start bare metal active systemd target", 697a92d0e6bSJohn Wedig entry("WHAT=%s", ex.what())); 698a92d0e6bSJohn Wedig throw IpmiException(::ipmi::ccUnspecifiedError); 699a92d0e6bSJohn Wedig } 700a92d0e6bSJohn Wedig } 701a92d0e6bSJohn Wedig 702f085d91dSPatrick Venture } // namespace ipmi 703f085d91dSPatrick Venture } // namespace google 704