Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 1 | #include "config.h" |
| 2 | |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 3 | #include "host_pdr_handler.hpp" |
| 4 | |
George Liu | 6492f52 | 2020-06-16 10:34:05 +0800 | [diff] [blame] | 5 | #include "libpldm/requester/pldm.h" |
| 6 | |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 7 | #include <assert.h> |
| 8 | |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 9 | #include <nlohmann/json.hpp> |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 10 | #include <sdeventplus/clock.hpp> |
| 11 | #include <sdeventplus/exception.hpp> |
| 12 | #include <sdeventplus/source/io.hpp> |
| 13 | #include <sdeventplus/source/time.hpp> |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 14 | |
George Liu | 6492f52 | 2020-06-16 10:34:05 +0800 | [diff] [blame] | 15 | #include <fstream> |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 16 | |
| 17 | namespace pldm |
| 18 | { |
| 19 | |
Brad Bishop | 5079ac4 | 2021-08-19 18:35:06 -0400 | [diff] [blame] | 20 | using namespace pldm::dbus_api; |
| 21 | using namespace pldm::responder::events; |
Deepak Kodihalli | 6b1d1ca | 2020-04-27 07:24:51 -0500 | [diff] [blame] | 22 | using namespace pldm::utils; |
| 23 | using namespace sdbusplus::bus::match::rules; |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 24 | using Json = nlohmann::json; |
| 25 | namespace fs = std::filesystem; |
| 26 | constexpr auto fruJson = "host_frus.json"; |
| 27 | const Json emptyJson{}; |
| 28 | const std::vector<Json> emptyJsonList{}; |
| 29 | |
Tom Joseph | 74f27c7 | 2021-05-16 07:58:53 -0700 | [diff] [blame] | 30 | HostPDRHandler::HostPDRHandler( |
| 31 | int mctp_fd, uint8_t mctp_eid, sdeventplus::Event& event, pldm_pdr* repo, |
| 32 | const std::string& eventsJsonsDir, pldm_entity_association_tree* entityTree, |
| 33 | pldm_entity_association_tree* bmcEntityTree, Requester& requester, |
Tom Joseph | e5268cd | 2021-09-07 13:04:03 +0530 | [diff] [blame] | 34 | pldm::requester::Handler<pldm::requester::Request>* handler) : |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 35 | mctp_fd(mctp_fd), |
Pavithra Barithaya | 3aec997 | 2020-12-14 01:55:44 -0600 | [diff] [blame] | 36 | mctp_eid(mctp_eid), event(event), repo(repo), |
| 37 | stateSensorHandler(eventsJsonsDir), entityTree(entityTree), |
Tom Joseph | e5268cd | 2021-09-07 13:04:03 +0530 | [diff] [blame] | 38 | bmcEntityTree(bmcEntityTree), requester(requester), handler(handler) |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 39 | { |
| 40 | fs::path hostFruJson(fs::path(HOST_JSONS_DIR) / fruJson); |
| 41 | if (fs::exists(hostFruJson)) |
| 42 | { |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 43 | // Note parent entities for entities sent down by the host firmware. |
| 44 | // This will enable a merge of entity associations. |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 45 | try |
| 46 | { |
| 47 | std::ifstream jsonFile(hostFruJson); |
| 48 | auto data = Json::parse(jsonFile, nullptr, false); |
| 49 | if (data.is_discarded()) |
| 50 | { |
| 51 | std::cerr << "Parsing Host FRU json file failed" << std::endl; |
| 52 | } |
| 53 | else |
| 54 | { |
| 55 | auto entities = data.value("entities", emptyJsonList); |
| 56 | for (auto& entity : entities) |
| 57 | { |
| 58 | EntityType entityType = entity.value("entity_type", 0); |
| 59 | auto parent = entity.value("parent", emptyJson); |
| 60 | pldm_entity p{}; |
| 61 | p.entity_type = parent.value("entity_type", 0); |
| 62 | p.entity_instance_num = parent.value("entity_instance", 0); |
| 63 | parents.emplace(entityType, std::move(p)); |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | catch (const std::exception& e) |
| 68 | { |
| 69 | std::cerr << "Parsing Host FRU json file failed, exception = " |
| 70 | << e.what() << std::endl; |
| 71 | } |
| 72 | } |
Deepak Kodihalli | 6b1d1ca | 2020-04-27 07:24:51 -0500 | [diff] [blame] | 73 | |
| 74 | hostOffMatch = std::make_unique<sdbusplus::bus::match::match>( |
| 75 | pldm::utils::DBusHandler::getBus(), |
| 76 | propertiesChanged("/xyz/openbmc_project/state/host0", |
| 77 | "xyz.openbmc_project.State.Host"), |
Sampa Misra | c073a20 | 2021-05-08 10:56:05 -0500 | [diff] [blame] | 78 | [this, repo, entityTree, |
| 79 | bmcEntityTree](sdbusplus::message::message& msg) { |
Deepak Kodihalli | 6b1d1ca | 2020-04-27 07:24:51 -0500 | [diff] [blame] | 80 | DbusChangedProps props{}; |
| 81 | std::string intf; |
| 82 | msg.read(intf, props); |
| 83 | const auto itr = props.find("CurrentHostState"); |
| 84 | if (itr != props.end()) |
| 85 | { |
| 86 | PropertyValue value = itr->second; |
| 87 | auto propVal = std::get<std::string>(value); |
| 88 | if (propVal == "xyz.openbmc_project.State.Host.HostState.Off") |
| 89 | { |
| 90 | pldm_pdr_remove_remote_pdrs(repo); |
Sampa Misra | c073a20 | 2021-05-08 10:56:05 -0500 | [diff] [blame] | 91 | pldm_entity_association_tree_destroy_root(entityTree); |
| 92 | pldm_entity_association_tree_copy_root(bmcEntityTree, |
| 93 | entityTree); |
Tom Joseph | b426860 | 2020-04-17 17:20:45 +0530 | [diff] [blame] | 94 | this->sensorMap.clear(); |
Deepak Kodihalli | 6b1d1ca | 2020-04-27 07:24:51 -0500 | [diff] [blame] | 95 | } |
| 96 | } |
| 97 | }); |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 98 | } |
| 99 | |
Deepak Kodihalli | 7246e0c | 2020-07-08 06:40:18 -0500 | [diff] [blame] | 100 | void HostPDRHandler::fetchPDR(PDRRecordHandles&& recordHandles) |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 101 | { |
Deepak Kodihalli | 8cb6f66 | 2020-04-10 02:55:43 -0500 | [diff] [blame] | 102 | pdrRecordHandles.clear(); |
| 103 | pdrRecordHandles = std::move(recordHandles); |
| 104 | |
| 105 | // Defer the actual fetch of PDRs from the host (by queuing the call on the |
| 106 | // main event loop). That way, we can respond to the platform event msg from |
| 107 | // the host firmware. |
| 108 | pdrFetchEvent = std::make_unique<sdeventplus::source::Defer>( |
| 109 | event, std::bind(std::mem_fn(&HostPDRHandler::_fetchPDR), this, |
| 110 | std::placeholders::_1)); |
| 111 | } |
| 112 | |
| 113 | void HostPDRHandler::_fetchPDR(sdeventplus::source::EventBase& /*source*/) |
| 114 | { |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 115 | getHostPDR(); |
| 116 | } |
| 117 | |
| 118 | void HostPDRHandler::getHostPDR(uint32_t nextRecordHandle) |
| 119 | { |
Deepak Kodihalli | 8cb6f66 | 2020-04-10 02:55:43 -0500 | [diff] [blame] | 120 | pdrFetchEvent.reset(); |
| 121 | |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 122 | std::vector<uint8_t> requestMsg(sizeof(pldm_msg_hdr) + |
| 123 | PLDM_GET_PDR_REQ_BYTES); |
| 124 | auto request = reinterpret_cast<pldm_msg*>(requestMsg.data()); |
Deepak Kodihalli | 7246e0c | 2020-07-08 06:40:18 -0500 | [diff] [blame] | 125 | uint32_t recordHandle{}; |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 126 | if (!nextRecordHandle) |
Deepak Kodihalli | 7246e0c | 2020-07-08 06:40:18 -0500 | [diff] [blame] | 127 | { |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 128 | if (!pdrRecordHandles.empty()) |
| 129 | { |
| 130 | recordHandle = pdrRecordHandles.front(); |
| 131 | pdrRecordHandles.pop_front(); |
| 132 | } |
| 133 | } |
| 134 | else |
| 135 | { |
| 136 | recordHandle = nextRecordHandle; |
| 137 | } |
| 138 | auto instanceId = requester.getInstanceId(mctp_eid); |
| 139 | |
| 140 | auto rc = |
| 141 | encode_get_pdr_req(instanceId, recordHandle, 0, PLDM_GET_FIRSTPART, |
| 142 | UINT16_MAX, 0, request, PLDM_GET_PDR_REQ_BYTES); |
| 143 | if (rc != PLDM_SUCCESS) |
| 144 | { |
| 145 | requester.markFree(mctp_eid, instanceId); |
| 146 | std::cerr << "Failed to encode_get_pdr_req, rc = " << rc << std::endl; |
| 147 | return; |
| 148 | } |
Deepak Kodihalli | 7246e0c | 2020-07-08 06:40:18 -0500 | [diff] [blame] | 149 | |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 150 | rc = handler->registerRequest( |
| 151 | mctp_eid, instanceId, PLDM_PLATFORM, PLDM_GET_PDR, |
| 152 | std::move(requestMsg), |
| 153 | std::move(std::bind_front(&HostPDRHandler::processHostPDRs, this))); |
| 154 | if (rc) |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 155 | { |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 156 | std::cerr << "Failed to send the GetPDR request to Host \n"; |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 157 | } |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 158 | } |
| 159 | |
Pavithra Barithaya | 3aec997 | 2020-12-14 01:55:44 -0600 | [diff] [blame] | 160 | int HostPDRHandler::handleStateSensorEvent(const StateSensorEntry& entry, |
| 161 | pdr::EventState state) |
| 162 | { |
| 163 | auto rc = stateSensorHandler.eventAction(entry, state); |
| 164 | if (rc != PLDM_SUCCESS) |
| 165 | { |
| 166 | std::cerr << "Failed to fetch and update D-bus property, rc = " << rc |
| 167 | << std::endl; |
| 168 | return rc; |
| 169 | } |
| 170 | return PLDM_SUCCESS; |
| 171 | } |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 172 | bool HostPDRHandler::getParent(EntityType type, pldm_entity& parent) |
| 173 | { |
| 174 | auto found = parents.find(type); |
| 175 | if (found != parents.end()) |
| 176 | { |
| 177 | parent.entity_type = found->second.entity_type; |
| 178 | parent.entity_instance_num = found->second.entity_instance_num; |
| 179 | return true; |
| 180 | } |
| 181 | |
| 182 | return false; |
| 183 | } |
| 184 | |
| 185 | void HostPDRHandler::mergeEntityAssociations(const std::vector<uint8_t>& pdr) |
| 186 | { |
| 187 | size_t numEntities{}; |
| 188 | pldm_entity* entities = nullptr; |
| 189 | bool merged = false; |
| 190 | auto entityPdr = reinterpret_cast<pldm_pdr_entity_association*>( |
| 191 | const_cast<uint8_t*>(pdr.data()) + sizeof(pldm_pdr_hdr)); |
| 192 | |
| 193 | pldm_entity_association_pdr_extract(pdr.data(), pdr.size(), &numEntities, |
| 194 | &entities); |
| 195 | for (size_t i = 0; i < numEntities; ++i) |
| 196 | { |
| 197 | pldm_entity parent{}; |
| 198 | if (getParent(entities[i].entity_type, parent)) |
| 199 | { |
| 200 | auto node = pldm_entity_association_tree_find(entityTree, &parent); |
| 201 | if (node) |
| 202 | { |
George Liu | 64a8f0f | 2021-06-12 10:56:11 +0800 | [diff] [blame] | 203 | pldm_entity_association_tree_add(entityTree, &entities[i], |
| 204 | 0xFFFF, node, |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 205 | entityPdr->association_type); |
| 206 | merged = true; |
| 207 | } |
| 208 | } |
| 209 | } |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 210 | |
| 211 | if (merged) |
| 212 | { |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 213 | // Update our PDR repo with the merged entity association PDRs |
Sampa Misra | 719ed39 | 2021-06-04 05:15:13 -0500 | [diff] [blame] | 214 | pldm_entity_node* node = nullptr; |
| 215 | pldm_find_entity_ref_in_tree(entityTree, entities[0], &node); |
| 216 | if (node == nullptr) |
| 217 | { |
| 218 | std::cerr |
| 219 | << "\ncould not find referrence of the entity in the tree \n"; |
| 220 | } |
| 221 | else |
| 222 | { |
| 223 | pldm_entity_association_pdr_add_from_node(node, repo, &entities, |
| 224 | numEntities, true); |
| 225 | } |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 226 | } |
Sampa Misra | 719ed39 | 2021-06-04 05:15:13 -0500 | [diff] [blame] | 227 | free(entities); |
Deepak Kodihalli | 87514cc | 2020-04-16 09:08:38 -0500 | [diff] [blame] | 228 | } |
| 229 | |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 230 | void HostPDRHandler::sendPDRRepositoryChgEvent(std::vector<uint8_t>&& pdrTypes, |
| 231 | uint8_t eventDataFormat) |
| 232 | { |
| 233 | assert(eventDataFormat == FORMAT_IS_PDR_HANDLES); |
| 234 | |
| 235 | // Extract from the PDR repo record handles of PDRs we want the host |
| 236 | // to pull up. |
| 237 | std::vector<uint8_t> eventDataOps{PLDM_RECORDS_ADDED}; |
| 238 | std::vector<uint8_t> numsOfChangeEntries(1); |
| 239 | std::vector<std::vector<ChangeEntry>> changeEntries( |
| 240 | numsOfChangeEntries.size()); |
| 241 | for (auto pdrType : pdrTypes) |
| 242 | { |
| 243 | const pldm_pdr_record* record{}; |
| 244 | do |
| 245 | { |
| 246 | record = pldm_pdr_find_record_by_type(repo, pdrType, record, |
| 247 | nullptr, nullptr); |
| 248 | if (record && pldm_pdr_record_is_remote(record)) |
| 249 | { |
| 250 | changeEntries[0].push_back( |
| 251 | pldm_pdr_get_record_handle(repo, record)); |
| 252 | } |
| 253 | } while (record); |
| 254 | } |
| 255 | if (changeEntries.empty()) |
| 256 | { |
| 257 | return; |
| 258 | } |
| 259 | numsOfChangeEntries[0] = changeEntries[0].size(); |
| 260 | |
| 261 | // Encode PLDM platform event msg to indicate a PDR repo change. |
| 262 | size_t maxSize = PLDM_PDR_REPOSITORY_CHG_EVENT_MIN_LENGTH + |
| 263 | PLDM_PDR_REPOSITORY_CHANGE_RECORD_MIN_LENGTH + |
| 264 | changeEntries[0].size() * sizeof(uint32_t); |
| 265 | std::vector<uint8_t> eventDataVec{}; |
| 266 | eventDataVec.resize(maxSize); |
| 267 | auto eventData = |
| 268 | reinterpret_cast<struct pldm_pdr_repository_chg_event_data*>( |
| 269 | eventDataVec.data()); |
| 270 | size_t actualSize{}; |
| 271 | auto firstEntry = changeEntries[0].data(); |
| 272 | auto rc = encode_pldm_pdr_repository_chg_event_data( |
| 273 | eventDataFormat, 1, eventDataOps.data(), numsOfChangeEntries.data(), |
| 274 | &firstEntry, eventData, &actualSize, maxSize); |
| 275 | if (rc != PLDM_SUCCESS) |
| 276 | { |
| 277 | std::cerr |
| 278 | << "Failed to encode_pldm_pdr_repository_chg_event_data, rc = " |
| 279 | << rc << std::endl; |
| 280 | return; |
| 281 | } |
| 282 | auto instanceId = requester.getInstanceId(mctp_eid); |
| 283 | std::vector<uint8_t> requestMsg(sizeof(pldm_msg_hdr) + |
| 284 | PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES + |
| 285 | actualSize); |
| 286 | auto request = reinterpret_cast<pldm_msg*>(requestMsg.data()); |
| 287 | rc = encode_platform_event_message_req( |
| 288 | instanceId, 1, 0, PLDM_PDR_REPOSITORY_CHG_EVENT, eventDataVec.data(), |
Christian Geddes | 3bdb3c2 | 2020-05-01 14:55:39 -0500 | [diff] [blame] | 289 | actualSize, request, |
| 290 | actualSize + PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES); |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 291 | if (rc != PLDM_SUCCESS) |
| 292 | { |
| 293 | requester.markFree(mctp_eid, instanceId); |
| 294 | std::cerr << "Failed to encode_platform_event_message_req, rc = " << rc |
| 295 | << std::endl; |
| 296 | return; |
| 297 | } |
| 298 | |
Tom Joseph | 74f27c7 | 2021-05-16 07:58:53 -0700 | [diff] [blame] | 299 | auto platformEventMessageResponseHandler = [](mctp_eid_t /*eid*/, |
| 300 | const pldm_msg* response, |
| 301 | size_t respMsgLen) { |
| 302 | if (response == nullptr || !respMsgLen) |
| 303 | { |
| 304 | std::cerr << "Failed to receive response for the PDR repository " |
| 305 | "changed event" |
| 306 | << "\n"; |
| 307 | return; |
| 308 | } |
| 309 | |
| 310 | uint8_t completionCode{}; |
| 311 | uint8_t status{}; |
| 312 | auto responsePtr = reinterpret_cast<const struct pldm_msg*>(response); |
| 313 | auto rc = decode_platform_event_message_resp( |
| 314 | responsePtr, respMsgLen - sizeof(pldm_msg_hdr), &completionCode, |
| 315 | &status); |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 316 | if (rc || completionCode) |
Tom Joseph | 74f27c7 | 2021-05-16 07:58:53 -0700 | [diff] [blame] | 317 | { |
| 318 | std::cerr << "Failed to decode_platform_event_message_resp: " |
| 319 | << "rc=" << rc |
| 320 | << ", cc=" << static_cast<unsigned>(completionCode) |
| 321 | << std::endl; |
| 322 | } |
| 323 | }; |
| 324 | |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 325 | rc = handler->registerRequest( |
Sampa Misra | 626c565 | 2021-08-11 10:28:48 -0500 | [diff] [blame] | 326 | mctp_eid, instanceId, PLDM_PLATFORM, PLDM_PLATFORM_EVENT_MESSAGE, |
Tom Joseph | 74f27c7 | 2021-05-16 07:58:53 -0700 | [diff] [blame] | 327 | std::move(requestMsg), std::move(platformEventMessageResponseHandler)); |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 328 | if (rc) |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 329 | { |
Tom Joseph | 74f27c7 | 2021-05-16 07:58:53 -0700 | [diff] [blame] | 330 | std::cerr << "Failed to send the PDR repository changed event request" |
| 331 | << "\n"; |
Pavithra Barithaya | e8beb89 | 2020-04-14 23:24:25 -0500 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | |
Sampa Misra | 868c879 | 2020-05-26 03:12:13 -0500 | [diff] [blame] | 335 | void HostPDRHandler::parseStateSensorPDRs(const PDRList& stateSensorPDRs, |
| 336 | const TLPDRMap& tlpdrInfo) |
| 337 | { |
| 338 | for (const auto& pdr : stateSensorPDRs) |
| 339 | { |
| 340 | SensorEntry sensorEntry{}; |
| 341 | const auto& [terminusHandle, sensorID, sensorInfo] = |
| 342 | responder::pdr_utils::parseStateSensorPDR(pdr); |
| 343 | sensorEntry.sensorID = sensorID; |
| 344 | try |
| 345 | { |
| 346 | sensorEntry.terminusID = tlpdrInfo.at(terminusHandle); |
| 347 | } |
| 348 | // If there is no mapping for terminusHandle assign the reserved TID |
| 349 | // value of 0xFF to indicate that. |
| 350 | catch (const std::out_of_range& e) |
| 351 | { |
| 352 | sensorEntry.terminusID = PLDM_TID_RESERVED; |
| 353 | } |
| 354 | sensorMap.emplace(sensorEntry, std::move(sensorInfo)); |
| 355 | } |
| 356 | } |
| 357 | |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 358 | void HostPDRHandler::processHostPDRs(mctp_eid_t /*eid*/, |
| 359 | const pldm_msg* response, |
| 360 | size_t respMsgLen) |
| 361 | { |
| 362 | static bool merged = false; |
| 363 | static PDRList stateSensorPDRs{}; |
| 364 | static TLPDRMap tlpdrInfo{}; |
| 365 | uint32_t nextRecordHandle{}; |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 366 | std::vector<TlInfo> tlInfo; |
| 367 | uint8_t tlEid = 0; |
| 368 | bool tlValid = true; |
| 369 | uint32_t rh = 0; |
| 370 | uint16_t terminusHandle = 0; |
| 371 | uint8_t tid = 0; |
| 372 | |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 373 | uint8_t completionCode{}; |
| 374 | uint32_t nextDataTransferHandle{}; |
| 375 | uint8_t transferFlag{}; |
| 376 | uint16_t respCount{}; |
| 377 | uint8_t transferCRC{}; |
| 378 | if (response == nullptr || !respMsgLen) |
| 379 | { |
| 380 | std::cerr << "Failed to receive response for the GetPDR" |
| 381 | " command \n"; |
| 382 | return; |
| 383 | } |
| 384 | |
| 385 | auto rc = decode_get_pdr_resp( |
| 386 | response, respMsgLen /*- sizeof(pldm_msg_hdr)*/, &completionCode, |
| 387 | &nextRecordHandle, &nextDataTransferHandle, &transferFlag, &respCount, |
| 388 | nullptr, 0, &transferCRC); |
| 389 | std::vector<uint8_t> responsePDRMsg; |
| 390 | responsePDRMsg.resize(respMsgLen + sizeof(pldm_msg_hdr)); |
| 391 | memcpy(responsePDRMsg.data(), response, respMsgLen + sizeof(pldm_msg_hdr)); |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 392 | if (rc != PLDM_SUCCESS) |
| 393 | { |
| 394 | std::cerr << "Failed to decode_get_pdr_resp, rc = " << rc << std::endl; |
| 395 | return; |
| 396 | } |
| 397 | else |
| 398 | { |
| 399 | std::vector<uint8_t> pdr(respCount, 0); |
| 400 | rc = decode_get_pdr_resp(response, respMsgLen, &completionCode, |
| 401 | &nextRecordHandle, &nextDataTransferHandle, |
| 402 | &transferFlag, &respCount, pdr.data(), |
| 403 | respCount, &transferCRC); |
| 404 | if (rc != PLDM_SUCCESS || completionCode != PLDM_SUCCESS) |
| 405 | { |
| 406 | std::cerr << "Failed to decode_get_pdr_resp: " |
| 407 | << "rc=" << rc |
| 408 | << ", cc=" << static_cast<unsigned>(completionCode) |
| 409 | << std::endl; |
| 410 | return; |
| 411 | } |
| 412 | else |
| 413 | { |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 414 | // when nextRecordHandle is 0, we need the recordHandle of the last |
| 415 | // PDR and not 0-1. |
| 416 | if (!nextRecordHandle) |
| 417 | { |
| 418 | rh = nextRecordHandle; |
| 419 | } |
| 420 | else |
| 421 | { |
| 422 | rh = nextRecordHandle - 1; |
| 423 | } |
| 424 | |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 425 | auto pdrHdr = reinterpret_cast<pldm_pdr_hdr*>(pdr.data()); |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 426 | if (!rh) |
| 427 | { |
| 428 | rh = pdrHdr->record_handle; |
| 429 | } |
| 430 | |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 431 | if (pdrHdr->type == PLDM_PDR_ENTITY_ASSOCIATION) |
| 432 | { |
| 433 | this->mergeEntityAssociations(pdr); |
| 434 | merged = true; |
| 435 | } |
| 436 | else |
| 437 | { |
| 438 | if (pdrHdr->type == PLDM_TERMINUS_LOCATOR_PDR) |
| 439 | { |
| 440 | auto tlpdr = |
| 441 | reinterpret_cast<const pldm_terminus_locator_pdr*>( |
| 442 | pdr.data()); |
| 443 | tlpdrInfo.emplace( |
| 444 | static_cast<pldm::pdr::TerminusHandle>( |
| 445 | tlpdr->terminus_handle), |
| 446 | static_cast<pldm::pdr::TerminusID>(tlpdr->tid)); |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 447 | |
| 448 | terminusHandle = tlpdr->terminus_handle; |
| 449 | tid = tlpdr->tid; |
| 450 | auto terminus_locator_type = tlpdr->terminus_locator_type; |
| 451 | if (terminus_locator_type == |
| 452 | PLDM_TERMINUS_LOCATOR_TYPE_MCTP_EID) |
| 453 | { |
| 454 | auto locatorValue = reinterpret_cast< |
| 455 | const pldm_terminus_locator_type_mctp_eid*>( |
| 456 | tlpdr->terminus_locator_value); |
| 457 | tlEid = static_cast<uint8_t>(locatorValue->eid); |
| 458 | } |
| 459 | if (tlpdr->validity == 0) |
| 460 | { |
| 461 | tlValid = false; |
| 462 | } |
| 463 | tlInfo.emplace_back( |
| 464 | TlInfo{tlpdr->validity, static_cast<uint8_t>(tlEid), |
| 465 | tlpdr->tid, tlpdr->terminus_handle}); |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 466 | } |
| 467 | else if (pdrHdr->type == PLDM_STATE_SENSOR_PDR) |
| 468 | { |
| 469 | stateSensorPDRs.emplace_back(pdr); |
| 470 | } |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 471 | |
| 472 | // if the TLPDR is invalid update the repo accordingly |
| 473 | if (!tlValid) |
| 474 | { |
| 475 | pldm_pdr_update_TL_pdr(repo, terminusHandle, tid, tlEid, |
| 476 | tlValid); |
| 477 | } |
| 478 | else |
| 479 | { |
| 480 | pldm_pdr_add(repo, pdr.data(), respCount, rh, true); |
| 481 | } |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 482 | } |
| 483 | } |
| 484 | } |
| 485 | if (!nextRecordHandle) |
| 486 | { |
| 487 | /*received last record*/ |
| 488 | this->parseStateSensorPDRs(stateSensorPDRs, tlpdrInfo); |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 489 | if (isHostUp()) |
| 490 | { |
| 491 | this->setHostSensorState(stateSensorPDRs, tlInfo); |
| 492 | } |
Sampa Misra | c0c7948 | 2021-06-02 08:01:54 -0500 | [diff] [blame] | 493 | stateSensorPDRs.clear(); |
| 494 | tlpdrInfo.clear(); |
| 495 | if (merged) |
| 496 | { |
| 497 | merged = false; |
| 498 | deferredPDRRepoChgEvent = |
| 499 | std::make_unique<sdeventplus::source::Defer>( |
| 500 | event, |
| 501 | std::bind( |
| 502 | std::mem_fn((&HostPDRHandler::_processPDRRepoChgEvent)), |
| 503 | this, std::placeholders::_1)); |
| 504 | } |
| 505 | } |
| 506 | else |
| 507 | { |
| 508 | deferredFetchPDREvent = std::make_unique<sdeventplus::source::Defer>( |
| 509 | event, |
| 510 | std::bind(std::mem_fn((&HostPDRHandler::_processFetchPDREvent)), |
| 511 | this, nextRecordHandle, std::placeholders::_1)); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | void HostPDRHandler::_processPDRRepoChgEvent( |
| 516 | sdeventplus::source::EventBase& /*source */) |
| 517 | { |
| 518 | deferredPDRRepoChgEvent.reset(); |
| 519 | this->sendPDRRepositoryChgEvent( |
| 520 | std::move(std::vector<uint8_t>(1, PLDM_PDR_ENTITY_ASSOCIATION)), |
| 521 | FORMAT_IS_PDR_HANDLES); |
| 522 | } |
| 523 | |
| 524 | void HostPDRHandler::_processFetchPDREvent( |
| 525 | uint32_t nextRecordHandle, sdeventplus::source::EventBase& /*source */) |
| 526 | { |
| 527 | deferredFetchPDREvent.reset(); |
| 528 | if (!this->pdrRecordHandles.empty()) |
| 529 | { |
| 530 | nextRecordHandle = this->pdrRecordHandles.front(); |
| 531 | this->pdrRecordHandles.pop_front(); |
| 532 | } |
| 533 | this->getHostPDR(nextRecordHandle); |
| 534 | } |
| 535 | |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 536 | void HostPDRHandler::setHostFirmwareCondition() |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 537 | { |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 538 | responseReceived = false; |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 539 | auto instanceId = requester.getInstanceId(mctp_eid); |
| 540 | std::vector<uint8_t> requestMsg(sizeof(pldm_msg_hdr) + |
| 541 | PLDM_GET_VERSION_REQ_BYTES); |
| 542 | auto request = reinterpret_cast<pldm_msg*>(requestMsg.data()); |
| 543 | auto rc = encode_get_version_req(instanceId, 0, PLDM_GET_FIRSTPART, |
| 544 | PLDM_BASE, request); |
| 545 | if (rc != PLDM_SUCCESS) |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 546 | { |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 547 | std::cerr << "GetPLDMVersion encode failure. PLDM error code = " |
| 548 | << std::hex << std::showbase << rc << "\n"; |
| 549 | requester.markFree(mctp_eid, instanceId); |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 550 | return; |
| 551 | } |
| 552 | |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 553 | auto getPLDMVersionHandler = [this](mctp_eid_t /*eid*/, |
| 554 | const pldm_msg* response, |
| 555 | size_t respMsgLen) { |
| 556 | if (response == nullptr || !respMsgLen) |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 557 | { |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 558 | std::cerr << "Failed to receive response for " |
| 559 | << "getPLDMVersion command, Host seems to be off \n"; |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 560 | return; |
| 561 | } |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 562 | std::cout << "Getting the response. PLDM RC = " << std::hex |
| 563 | << std::showbase |
| 564 | << static_cast<uint16_t>(response->payload[0]) << "\n"; |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 565 | this->responseReceived = true; |
| 566 | getHostPDR(); |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 567 | }; |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 568 | rc = handler->registerRequest(mctp_eid, instanceId, PLDM_BASE, |
| 569 | PLDM_GET_PLDM_VERSION, std::move(requestMsg), |
| 570 | std::move(getPLDMVersionHandler)); |
| 571 | if (rc) |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 572 | { |
Sampa Misra | f9ba8c1 | 2021-08-06 00:33:47 -0500 | [diff] [blame] | 573 | std::cerr << "Failed to discover Host state. Assuming Host as off \n"; |
sampmisr | 6decfc1 | 2021-03-02 11:07:36 +0530 | [diff] [blame] | 574 | } |
| 575 | } |
| 576 | |
| 577 | bool HostPDRHandler::isHostUp() |
| 578 | { |
| 579 | return responseReceived; |
| 580 | } |
| 581 | |
Pavithra Barithaya | 4f2538a | 2021-03-05 07:32:15 -0600 | [diff] [blame] | 582 | void HostPDRHandler::setHostSensorState(const PDRList& stateSensorPDRs, |
| 583 | const std::vector<TlInfo>& tlinfo) |
| 584 | { |
| 585 | for (const auto& stateSensorPDR : stateSensorPDRs) |
| 586 | { |
| 587 | auto pdr = reinterpret_cast<const pldm_state_sensor_pdr*>( |
| 588 | stateSensorPDR.data()); |
| 589 | |
| 590 | if (!pdr) |
| 591 | { |
| 592 | std::cerr << "Failed to get State sensor PDR" << std::endl; |
| 593 | pldm::utils::reportError( |
| 594 | "xyz.openbmc_project.bmc.pldm.InternalFailure"); |
| 595 | return; |
| 596 | } |
| 597 | |
| 598 | uint16_t sensorId = pdr->sensor_id; |
| 599 | |
| 600 | for (auto info : tlinfo) |
| 601 | { |
| 602 | if (info.terminusHandle == pdr->terminus_handle) |
| 603 | { |
| 604 | if (info.valid == PLDM_TL_PDR_VALID) |
| 605 | { |
| 606 | mctp_eid = info.eid; |
| 607 | } |
| 608 | |
| 609 | bitfield8_t sensorRearm; |
| 610 | sensorRearm.byte = 0; |
| 611 | uint8_t tid = info.tid; |
| 612 | |
| 613 | auto instanceId = requester.getInstanceId(mctp_eid); |
| 614 | std::vector<uint8_t> requestMsg( |
| 615 | sizeof(pldm_msg_hdr) + |
| 616 | PLDM_GET_STATE_SENSOR_READINGS_REQ_BYTES); |
| 617 | auto request = reinterpret_cast<pldm_msg*>(requestMsg.data()); |
| 618 | auto rc = encode_get_state_sensor_readings_req( |
| 619 | instanceId, sensorId, sensorRearm, 0, request); |
| 620 | |
| 621 | if (rc != PLDM_SUCCESS) |
| 622 | { |
| 623 | requester.markFree(mctp_eid, instanceId); |
| 624 | std::cerr << "Failed to " |
| 625 | "encode_get_state_sensor_readings_req, rc = " |
| 626 | << rc << std::endl; |
| 627 | pldm::utils::reportError( |
| 628 | "xyz.openbmc_project.bmc.pldm.InternalFailure"); |
| 629 | return; |
| 630 | } |
| 631 | |
| 632 | auto getStateSensorReadingRespHandler = [=, this]( |
| 633 | mctp_eid_t /*eid*/, |
| 634 | const pldm_msg* |
| 635 | response, |
| 636 | size_t respMsgLen) { |
| 637 | if (response == nullptr || !respMsgLen) |
| 638 | { |
| 639 | std::cerr << "Failed to receive response for " |
| 640 | "getStateSensorReading command \n"; |
| 641 | return; |
| 642 | } |
| 643 | std::array<get_sensor_state_field, 8> stateField{}; |
| 644 | uint8_t completionCode = 0; |
| 645 | uint8_t comp_sensor_count = 0; |
| 646 | |
| 647 | auto rc = decode_get_state_sensor_readings_resp( |
| 648 | response, respMsgLen, &completionCode, |
| 649 | &comp_sensor_count, stateField.data()); |
| 650 | |
| 651 | if (rc != PLDM_SUCCESS || completionCode != PLDM_SUCCESS) |
| 652 | { |
| 653 | std::cerr |
| 654 | << "Failed to " |
| 655 | "decode_get_state_sensor_readings_resp, rc = " |
| 656 | << rc |
| 657 | << " cc=" << static_cast<unsigned>(completionCode) |
| 658 | << std::endl; |
| 659 | pldm::utils::reportError( |
| 660 | "xyz.openbmc_project.bmc.pldm.InternalFailure"); |
| 661 | } |
| 662 | |
| 663 | uint8_t eventState; |
| 664 | uint8_t previousEventState; |
| 665 | uint8_t sensorOffset = comp_sensor_count - 1; |
| 666 | |
| 667 | for (size_t i = 0; i < comp_sensor_count; i++) |
| 668 | { |
| 669 | eventState = stateField[i].present_state; |
| 670 | previousEventState = stateField[i].previous_state; |
| 671 | |
| 672 | emitStateSensorEventSignal(tid, sensorId, sensorOffset, |
| 673 | eventState, |
| 674 | previousEventState); |
| 675 | |
| 676 | SensorEntry sensorEntry{tid, sensorId}; |
| 677 | |
| 678 | pldm::pdr::EntityInfo entityInfo{}; |
| 679 | pldm::pdr::CompositeSensorStates |
| 680 | compositeSensorStates{}; |
| 681 | |
| 682 | try |
| 683 | { |
| 684 | std::tie(entityInfo, compositeSensorStates) = |
| 685 | lookupSensorInfo(sensorEntry); |
| 686 | } |
| 687 | catch (const std::out_of_range& e) |
| 688 | { |
| 689 | try |
| 690 | { |
| 691 | sensorEntry.terminusID = PLDM_TID_RESERVED; |
| 692 | std::tie(entityInfo, compositeSensorStates) = |
| 693 | lookupSensorInfo(sensorEntry); |
| 694 | } |
| 695 | catch (const std::out_of_range& e) |
| 696 | { |
| 697 | std::cerr << "No mapping for the events" |
| 698 | << std::endl; |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | if (sensorOffset > compositeSensorStates.size()) |
| 703 | { |
| 704 | std::cerr |
| 705 | << " Error Invalid data, Invalid sensor offset" |
| 706 | << std::endl; |
| 707 | return; |
| 708 | } |
| 709 | |
| 710 | const auto& possibleStates = |
| 711 | compositeSensorStates[sensorOffset]; |
| 712 | if (possibleStates.find(eventState) == |
| 713 | possibleStates.end()) |
| 714 | { |
| 715 | std::cerr |
| 716 | << " Error invalid_data, Invalid event state" |
| 717 | << std::endl; |
| 718 | return; |
| 719 | } |
| 720 | const auto& [containerId, entityType, entityInstance] = |
| 721 | entityInfo; |
| 722 | pldm::responder::events::StateSensorEntry |
| 723 | stateSensorEntry{containerId, entityType, |
| 724 | entityInstance, sensorOffset}; |
| 725 | handleStateSensorEvent(stateSensorEntry, eventState); |
| 726 | } |
| 727 | }; |
| 728 | |
| 729 | rc = handler->registerRequest( |
| 730 | mctp_eid, instanceId, PLDM_PLATFORM, |
| 731 | PLDM_GET_STATE_SENSOR_READINGS, std::move(requestMsg), |
| 732 | std::move(getStateSensorReadingRespHandler)); |
| 733 | |
| 734 | if (rc != PLDM_SUCCESS) |
| 735 | { |
| 736 | std::cerr << " Failed to send request to get State sensor " |
| 737 | "reading on Host " |
| 738 | << std::endl; |
| 739 | } |
| 740 | } |
| 741 | } |
| 742 | } |
| 743 | } |
Pavithra Barithaya | 51efaf8 | 2020-04-02 02:42:27 -0500 | [diff] [blame] | 744 | } // namespace pldm |