Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 1 | #include "config.h" |
| 2 | |
| 3 | #include "file_io_type_pel.hpp" |
| 4 | |
George Liu | 6492f52 | 2020-06-16 10:34:05 +0800 | [diff] [blame] | 5 | #include "libpldm/base.h" |
| 6 | #include "oem/ibm/libpldm/file_io.h" |
| 7 | |
Deepak Kodihalli | d130e1a | 2020-06-17 05:55:32 -0500 | [diff] [blame] | 8 | #include "common/utils.hpp" |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 9 | #include "xyz/openbmc_project/Common/error.hpp" |
| 10 | |
| 11 | #include <stdint.h> |
| 12 | #include <systemd/sd-bus.h> |
| 13 | #include <unistd.h> |
| 14 | |
George Liu | 6492f52 | 2020-06-16 10:34:05 +0800 | [diff] [blame] | 15 | #include <sdbusplus/server.hpp> |
| 16 | #include <xyz/openbmc_project/Logging/Entry/server.hpp> |
| 17 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 18 | #include <exception> |
| 19 | #include <filesystem> |
Matt Spinler | 39d8c7a | 2020-03-05 11:28:59 -0600 | [diff] [blame] | 20 | #include <fstream> |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 21 | #include <iostream> |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 22 | #include <vector> |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 23 | |
| 24 | namespace pldm |
| 25 | { |
| 26 | namespace responder |
| 27 | { |
| 28 | |
Matt Spinler | 39d8c7a | 2020-03-05 11:28:59 -0600 | [diff] [blame] | 29 | using namespace sdbusplus::xyz::openbmc_project::Logging::server; |
| 30 | |
| 31 | namespace detail |
| 32 | { |
| 33 | |
| 34 | /** |
| 35 | * @brief Finds the Entry::Level value for the severity of the PEL |
| 36 | * passed in. |
| 37 | * |
| 38 | * The severity byte is at offset 10 in the User Header section, |
| 39 | * which is always after the 48 byte Private Header section. |
| 40 | * |
| 41 | * @param[in] pelFileName - The file containing the PEL |
| 42 | * |
| 43 | * @return Entry::Level - The severity value for the Entry |
| 44 | */ |
| 45 | Entry::Level getEntryLevelFromPEL(const std::string& pelFileName) |
| 46 | { |
| 47 | const std::map<uint8_t, Entry::Level> severityMap{ |
| 48 | {0x00, Entry::Level::Informational}, // Informational event |
| 49 | {0x10, Entry::Level::Warning}, // Recoverable error |
| 50 | {0x20, Entry::Level::Warning}, // Predictive error |
| 51 | {0x40, Entry::Level::Error}, // Unrecoverable error |
| 52 | {0x50, Entry::Level::Error}, // Critical error |
| 53 | {0x60, Entry::Level::Error}, // Error from a diagnostic test |
| 54 | {0x70, Entry::Level::Warning} // Recoverable symptom |
| 55 | }; |
| 56 | |
| 57 | const size_t severityOffset = 0x3A; |
| 58 | |
| 59 | size_t size = 0; |
| 60 | if (fs::exists(pelFileName)) |
| 61 | { |
| 62 | size = fs::file_size(pelFileName); |
| 63 | } |
| 64 | |
| 65 | if (size > severityOffset) |
| 66 | { |
| 67 | std::ifstream pel{pelFileName}; |
| 68 | if (pel.good()) |
| 69 | { |
| 70 | pel.seekg(severityOffset); |
| 71 | |
| 72 | uint8_t sev; |
| 73 | pel.read(reinterpret_cast<char*>(&sev), 1); |
| 74 | |
| 75 | // Get the type |
| 76 | sev = sev & 0xF0; |
| 77 | |
| 78 | auto entry = severityMap.find(sev); |
| 79 | if (entry != severityMap.end()) |
| 80 | { |
| 81 | return entry->second; |
| 82 | } |
| 83 | } |
| 84 | else |
| 85 | { |
| 86 | std::cerr << "Unable to open PEL file " << pelFileName << "\n"; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | return Entry::Level::Error; |
| 91 | } |
| 92 | } // namespace detail |
| 93 | |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 94 | int PelHandler::readIntoMemory(uint32_t offset, uint32_t& length, |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 95 | uint64_t address, |
| 96 | oem_platform::Handler* /*oemPlatformHandler*/) |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 97 | { |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 98 | static constexpr auto logObjPath = "/xyz/openbmc_project/logging"; |
| 99 | static constexpr auto logInterface = "org.open_power.Logging.PEL"; |
| 100 | |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 101 | auto& bus = pldm::utils::DBusHandler::getBus(); |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 102 | |
| 103 | try |
| 104 | { |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 105 | auto service = |
| 106 | pldm::utils::DBusHandler().getService(logObjPath, logInterface); |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 107 | auto method = bus.new_method_call(service.c_str(), logObjPath, |
| 108 | logInterface, "GetPEL"); |
| 109 | method.append(fileHandle); |
| 110 | auto reply = bus.call(method); |
| 111 | sdbusplus::message::unix_fd fd{}; |
| 112 | reply.read(fd); |
| 113 | auto rc = transferFileData(fd, true, offset, length, address); |
| 114 | return rc; |
| 115 | } |
| 116 | catch (const std::exception& e) |
| 117 | { |
| 118 | std::cerr << "GetPEL D-Bus call failed, PEL id = " << fileHandle |
| 119 | << ", error = " << e.what() << "\n"; |
| 120 | return PLDM_ERROR; |
| 121 | } |
| 122 | |
| 123 | return PLDM_SUCCESS; |
Deepak Kodihalli | f6d3a83 | 2019-11-19 07:00:29 -0600 | [diff] [blame] | 124 | } |
| 125 | |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 126 | int PelHandler::read(uint32_t offset, uint32_t& length, Response& response, |
| 127 | oem_platform::Handler* /*oemPlatformHandler*/) |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 128 | { |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 129 | static constexpr auto logObjPath = "/xyz/openbmc_project/logging"; |
| 130 | static constexpr auto logInterface = "org.open_power.Logging.PEL"; |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 131 | auto& bus = pldm::utils::DBusHandler::getBus(); |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 132 | |
| 133 | try |
| 134 | { |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 135 | auto service = |
| 136 | pldm::utils::DBusHandler().getService(logObjPath, logInterface); |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 137 | auto method = bus.new_method_call(service.c_str(), logObjPath, |
| 138 | logInterface, "GetPEL"); |
| 139 | method.append(fileHandle); |
| 140 | auto reply = bus.call(method); |
| 141 | sdbusplus::message::unix_fd fd{}; |
| 142 | reply.read(fd); |
Pavithra | ba0738b | 2020-01-29 08:47:51 -0600 | [diff] [blame] | 143 | |
Deepak Kodihalli | 15211b4 | 2019-12-14 02:24:49 -0600 | [diff] [blame] | 144 | off_t fileSize = lseek(fd, 0, SEEK_END); |
| 145 | if (fileSize == -1) |
| 146 | { |
| 147 | std::cerr << "file seek failed"; |
| 148 | return PLDM_ERROR; |
| 149 | } |
| 150 | if (offset >= fileSize) |
| 151 | { |
| 152 | std::cerr << "Offset exceeds file size, OFFSET=" << offset |
| 153 | << " FILE_SIZE=" << fileSize << std::endl; |
| 154 | return PLDM_DATA_OUT_OF_RANGE; |
| 155 | } |
| 156 | if (offset + length > fileSize) |
| 157 | { |
| 158 | length = fileSize - offset; |
| 159 | } |
| 160 | auto rc = lseek(fd, offset, SEEK_SET); |
| 161 | if (rc == -1) |
| 162 | { |
| 163 | std::cerr << "file seek failed"; |
| 164 | return PLDM_ERROR; |
| 165 | } |
| 166 | size_t currSize = response.size(); |
| 167 | response.resize(currSize + length); |
| 168 | auto filePos = reinterpret_cast<char*>(response.data()); |
| 169 | filePos += currSize; |
| 170 | rc = ::read(fd, filePos, length); |
| 171 | if (rc == -1) |
| 172 | { |
| 173 | std::cerr << "file read failed"; |
| 174 | return PLDM_ERROR; |
| 175 | } |
| 176 | if (rc != length) |
| 177 | { |
| 178 | std::cerr << "mismatch between number of characters to read and " |
| 179 | << "the length read, LENGTH=" << length << " COUNT=" << rc |
| 180 | << std::endl; |
| 181 | return PLDM_ERROR; |
| 182 | } |
| 183 | } |
| 184 | catch (const std::exception& e) |
| 185 | { |
| 186 | std::cerr << "GetPEL D-Bus call failed"; |
| 187 | return PLDM_ERROR; |
| 188 | } |
| 189 | return PLDM_SUCCESS; |
Deepak Kodihalli | 75e02f8 | 2019-11-20 02:51:05 -0600 | [diff] [blame] | 190 | } |
| 191 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 192 | int PelHandler::writeFromMemory(uint32_t offset, uint32_t length, |
Sampa Misra | 6950850 | 2020-09-08 00:08:21 -0500 | [diff] [blame] | 193 | uint64_t address, |
| 194 | oem_platform::Handler* /*oemPlatformHandler*/) |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 195 | { |
Sampa Misra | f5087a4 | 2019-12-03 04:51:36 -0600 | [diff] [blame] | 196 | char tmpFile[] = "/tmp/pel.XXXXXX"; |
| 197 | int fd = mkstemp(tmpFile); |
| 198 | if (fd == -1) |
| 199 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 200 | std::cerr << "failed to create a temporary pel, ERROR=" << errno |
| 201 | << "\n"; |
Sampa Misra | f5087a4 | 2019-12-03 04:51:36 -0600 | [diff] [blame] | 202 | return PLDM_ERROR; |
| 203 | } |
| 204 | close(fd); |
| 205 | fs::path path(tmpFile); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 206 | |
| 207 | auto rc = transferFileData(path, false, offset, length, address); |
| 208 | if (rc == PLDM_SUCCESS) |
| 209 | { |
| 210 | rc = storePel(path.string()); |
| 211 | } |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 212 | return rc; |
| 213 | } |
| 214 | |
Deepak Kodihalli | 2da1bfe | 2019-12-14 08:28:09 -0600 | [diff] [blame] | 215 | int PelHandler::fileAck(uint8_t /*fileStatus*/) |
| 216 | { |
| 217 | static constexpr auto logObjPath = "/xyz/openbmc_project/logging"; |
| 218 | static constexpr auto logInterface = "org.open_power.Logging.PEL"; |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 219 | auto& bus = pldm::utils::DBusHandler::getBus(); |
Deepak Kodihalli | 2da1bfe | 2019-12-14 08:28:09 -0600 | [diff] [blame] | 220 | |
| 221 | try |
| 222 | { |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 223 | auto service = |
| 224 | pldm::utils::DBusHandler().getService(logObjPath, logInterface); |
Deepak Kodihalli | 2da1bfe | 2019-12-14 08:28:09 -0600 | [diff] [blame] | 225 | auto method = bus.new_method_call(service.c_str(), logObjPath, |
| 226 | logInterface, "HostAck"); |
| 227 | method.append(fileHandle); |
| 228 | bus.call_noreply(method); |
| 229 | } |
| 230 | catch (const std::exception& e) |
| 231 | { |
| 232 | std::cerr << "HostAck D-Bus call failed"; |
| 233 | return PLDM_ERROR; |
| 234 | } |
| 235 | |
| 236 | return PLDM_SUCCESS; |
| 237 | } |
| 238 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 239 | int PelHandler::storePel(std::string&& pelFileName) |
| 240 | { |
| 241 | static constexpr auto logObjPath = "/xyz/openbmc_project/logging"; |
| 242 | static constexpr auto logInterface = "xyz.openbmc_project.Logging.Create"; |
| 243 | |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 244 | auto& bus = pldm::utils::DBusHandler::getBus(); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 245 | |
| 246 | try |
| 247 | { |
George Liu | 0e02c32 | 2020-01-01 09:41:51 +0800 | [diff] [blame] | 248 | auto service = |
| 249 | pldm::utils::DBusHandler().getService(logObjPath, logInterface); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 250 | using namespace sdbusplus::xyz::openbmc_project::Logging::server; |
| 251 | std::map<std::string, std::string> addlData{}; |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 252 | auto severity = |
| 253 | sdbusplus::xyz::openbmc_project::Logging::server::convertForMessage( |
Matt Spinler | 39d8c7a | 2020-03-05 11:28:59 -0600 | [diff] [blame] | 254 | detail::getEntryLevelFromPEL(pelFileName)); |
| 255 | addlData.emplace("RAWPEL", std::move(pelFileName)); |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 256 | |
| 257 | auto method = bus.new_method_call(service.c_str(), logObjPath, |
| 258 | logInterface, "Create"); |
| 259 | method.append("xyz.openbmc_project.Host.Error.Event", severity, |
| 260 | addlData); |
| 261 | bus.call_noreply(method); |
| 262 | } |
| 263 | catch (const std::exception& e) |
| 264 | { |
Sampa Misra | aa8ae72 | 2019-12-12 03:20:40 -0600 | [diff] [blame] | 265 | std::cerr << "failed to make a d-bus call to PEL daemon, ERROR=" |
| 266 | << e.what() << "\n"; |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 267 | return PLDM_ERROR; |
| 268 | } |
| 269 | |
| 270 | return PLDM_SUCCESS; |
| 271 | } |
| 272 | |
George Liu | d37b495 | 2021-06-28 15:14:29 +0800 | [diff] [blame] | 273 | int PelHandler::write(const char* buffer, uint32_t offset, uint32_t& length, |
| 274 | oem_platform::Handler* /*oemPlatformHandler*/) |
| 275 | { |
| 276 | int rc = PLDM_SUCCESS; |
| 277 | |
| 278 | if (offset > 0) |
| 279 | { |
| 280 | std::cerr << "Offset is non zero \n"; |
| 281 | return PLDM_ERROR; |
| 282 | } |
| 283 | |
| 284 | char tmpFile[] = "/tmp/pel.XXXXXX"; |
| 285 | auto fd = mkstemp(tmpFile); |
| 286 | if (fd == -1) |
| 287 | { |
| 288 | std::cerr << "failed to create a temporary pel, ERROR=" << errno |
| 289 | << "\n"; |
| 290 | return PLDM_ERROR; |
| 291 | } |
| 292 | |
| 293 | size_t written = 0; |
| 294 | do |
| 295 | { |
| 296 | if ((rc = ::write(fd, buffer, length - written)) == -1) |
| 297 | { |
| 298 | break; |
| 299 | } |
| 300 | written += rc; |
| 301 | buffer += rc; |
| 302 | } while (rc && written < length); |
| 303 | close(fd); |
| 304 | |
| 305 | if (rc == -1) |
| 306 | { |
| 307 | std::cerr << "file write failed, ERROR=" << errno |
| 308 | << ", LENGTH=" << length << ", OFFSET=" << offset << "\n"; |
| 309 | fs::remove(tmpFile); |
| 310 | return PLDM_ERROR; |
| 311 | } |
| 312 | |
| 313 | if (written == length) |
| 314 | { |
| 315 | fs::path path(tmpFile); |
| 316 | rc = storePel(path.string()); |
| 317 | if (rc != PLDM_SUCCESS) |
| 318 | { |
| 319 | std::cerr << "save PEL failed, ERROR = " << rc |
| 320 | << "tmpFile = " << tmpFile << "\n"; |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | return rc; |
| 325 | } |
| 326 | |
Sampa Misra | 854e61f | 2019-08-22 04:36:47 -0500 | [diff] [blame] | 327 | } // namespace responder |
| 328 | } // namespace pldm |