Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 1 | /** |
| 2 | * Copyright © 2020 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 "config_file_parser.hpp" |
| 18 | |
| 19 | #include "config_file_parser_error.hpp" |
Bob King | f617f89 | 2020-03-30 19:03:35 +0800 | [diff] [blame] | 20 | #include "i2c_interface.hpp" |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 21 | #include "pmbus_utils.hpp" |
| 22 | |
| 23 | #include <exception> |
| 24 | #include <fstream> |
| 25 | #include <optional> |
| 26 | #include <utility> |
| 27 | |
| 28 | using json = nlohmann::json; |
| 29 | |
| 30 | namespace phosphor::power::regulators::config_file_parser |
| 31 | { |
| 32 | |
| 33 | std::tuple<std::vector<std::unique_ptr<Rule>>, |
| 34 | std::vector<std::unique_ptr<Chassis>>> |
| 35 | parse(const std::filesystem::path& pathName) |
| 36 | { |
| 37 | try |
| 38 | { |
| 39 | // Use standard JSON parser to create tree of JSON elements |
| 40 | std::ifstream file{pathName}; |
| 41 | json rootElement = json::parse(file); |
| 42 | |
| 43 | // Parse tree of JSON elements and return corresponding C++ objects |
| 44 | return internal::parseRoot(rootElement); |
| 45 | } |
| 46 | catch (const std::exception& e) |
| 47 | { |
| 48 | throw ConfigFileParserError{pathName, e.what()}; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | namespace internal |
| 53 | { |
| 54 | |
| 55 | std::unique_ptr<Action> parseAction(const json& element) |
| 56 | { |
| 57 | verifyIsObject(element); |
| 58 | unsigned int propertyCount{0}; |
| 59 | |
| 60 | // Optional comments property; value not stored |
| 61 | if (element.contains("comments")) |
| 62 | { |
| 63 | ++propertyCount; |
| 64 | } |
| 65 | |
| 66 | // Required action type property; there must be exactly one specified |
| 67 | std::unique_ptr<Action> action{}; |
| 68 | if (element.contains("and")) |
| 69 | { |
Bob King | 3a78754 | 2020-04-14 13:45:01 +0800 | [diff] [blame^] | 70 | action = parseAnd(element["and"]); |
| 71 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 72 | } |
| 73 | else if (element.contains("compare_presence")) |
| 74 | { |
| 75 | // TODO: Not implemented yet |
| 76 | // action = parseComparePresence(element["compare_presence"]); |
| 77 | // ++propertyCount; |
| 78 | } |
| 79 | else if (element.contains("compare_vpd")) |
| 80 | { |
| 81 | // TODO: Not implemented yet |
| 82 | // action = parseCompareVPD(element["compare_vpd"]); |
| 83 | // ++propertyCount; |
| 84 | } |
| 85 | else if (element.contains("i2c_compare_bit")) |
| 86 | { |
Bob King | f09bfe0 | 2020-04-13 17:21:15 +0800 | [diff] [blame] | 87 | action = parseI2CCompareBit(element["i2c_compare_bit"]); |
| 88 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 89 | } |
| 90 | else if (element.contains("i2c_compare_byte")) |
| 91 | { |
Bob King | f09bfe0 | 2020-04-13 17:21:15 +0800 | [diff] [blame] | 92 | action = parseI2CCompareByte(element["i2c_compare_byte"]); |
| 93 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 94 | } |
| 95 | else if (element.contains("i2c_compare_bytes")) |
| 96 | { |
Bob King | f09bfe0 | 2020-04-13 17:21:15 +0800 | [diff] [blame] | 97 | action = parseI2CCompareBytes(element["i2c_compare_bytes"]); |
| 98 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 99 | } |
| 100 | else if (element.contains("i2c_write_bit")) |
| 101 | { |
Bob King | f617f89 | 2020-03-30 19:03:35 +0800 | [diff] [blame] | 102 | action = parseI2CWriteBit(element["i2c_write_bit"]); |
| 103 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 104 | } |
| 105 | else if (element.contains("i2c_write_byte")) |
| 106 | { |
Bob King | 87ff9d7 | 2020-03-31 14:02:55 +0800 | [diff] [blame] | 107 | action = parseI2CWriteByte(element["i2c_write_byte"]); |
| 108 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 109 | } |
| 110 | else if (element.contains("i2c_write_bytes")) |
| 111 | { |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 112 | action = parseI2CWriteBytes(element["i2c_write_bytes"]); |
| 113 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 114 | } |
| 115 | else if (element.contains("if")) |
| 116 | { |
| 117 | // TODO: Not implemented yet |
| 118 | // action = parseIf(element["if"]); |
| 119 | // ++propertyCount; |
| 120 | } |
| 121 | else if (element.contains("not")) |
| 122 | { |
| 123 | // TODO: Not implemented yet |
| 124 | // action = parseNot(element["not"]); |
| 125 | // ++propertyCount; |
| 126 | } |
| 127 | else if (element.contains("or")) |
| 128 | { |
| 129 | // TODO: Not implemented yet |
| 130 | // action = parseOr(element["or"]); |
| 131 | // ++propertyCount; |
| 132 | } |
| 133 | else if (element.contains("pmbus_read_sensor")) |
| 134 | { |
| 135 | // TODO: Not implemented yet |
| 136 | // action = parsePMBusReadSensor(element["pmbus_read_sensor"]); |
| 137 | // ++propertyCount; |
| 138 | } |
| 139 | else if (element.contains("pmbus_write_vout_command")) |
| 140 | { |
| 141 | action = |
| 142 | parsePMBusWriteVoutCommand(element["pmbus_write_vout_command"]); |
| 143 | ++propertyCount; |
| 144 | } |
| 145 | else if (element.contains("run_rule")) |
| 146 | { |
Bob King | 315b0b6 | 2020-04-03 21:47:58 +0800 | [diff] [blame] | 147 | action = parseRunRule(element["run_rule"]); |
| 148 | ++propertyCount; |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 149 | } |
| 150 | else if (element.contains("set_device")) |
| 151 | { |
| 152 | // TODO: Not implemented yet |
| 153 | // action = parseSetDevice(element["set_device"]); |
| 154 | // ++propertyCount; |
| 155 | } |
| 156 | else |
| 157 | { |
| 158 | throw std::invalid_argument{"Required action type property missing"}; |
| 159 | } |
| 160 | |
| 161 | // Verify no invalid properties exist |
| 162 | verifyPropertyCount(element, propertyCount); |
| 163 | |
| 164 | return action; |
| 165 | } |
| 166 | |
| 167 | std::vector<std::unique_ptr<Action>> parseActionArray(const json& element) |
| 168 | { |
| 169 | verifyIsArray(element); |
| 170 | std::vector<std::unique_ptr<Action>> actions; |
| 171 | for (auto& actionElement : element) |
| 172 | { |
| 173 | actions.emplace_back(parseAction(actionElement)); |
| 174 | } |
| 175 | return actions; |
| 176 | } |
| 177 | |
Bob King | 3a78754 | 2020-04-14 13:45:01 +0800 | [diff] [blame^] | 178 | std::unique_ptr<AndAction> parseAnd(const json& element) |
| 179 | { |
| 180 | verifyIsArray(element); |
| 181 | |
| 182 | // Verify if array size less than 2 |
| 183 | if (element.size() < 2) |
| 184 | { |
| 185 | throw std::invalid_argument{"Array must contain two or more actions"}; |
| 186 | } |
| 187 | // Array of two or more actions |
| 188 | std::vector<std::unique_ptr<Action>> actions = parseActionArray(element); |
| 189 | |
| 190 | return std::make_unique<AndAction>(std::move(actions)); |
| 191 | } |
| 192 | |
Bob King | 0e70113 | 2020-04-03 21:50:31 +0800 | [diff] [blame] | 193 | std::unique_ptr<Chassis> parseChassis(const json& element) |
| 194 | { |
| 195 | verifyIsObject(element); |
| 196 | unsigned int propertyCount{0}; |
| 197 | |
| 198 | // Optional comments property; value not stored |
| 199 | if (element.contains("comments")) |
| 200 | { |
| 201 | ++propertyCount; |
| 202 | } |
| 203 | |
| 204 | // Required number property |
| 205 | const json& numberElement = getRequiredProperty(element, "number"); |
| 206 | unsigned int number = parseUnsignedInteger(numberElement); |
| 207 | if (number < 1) |
| 208 | { |
| 209 | throw std::invalid_argument{"Invalid chassis number: Must be > 0"}; |
| 210 | } |
| 211 | ++propertyCount; |
| 212 | |
| 213 | // Optional devices property |
| 214 | std::vector<std::unique_ptr<Device>> devices{}; |
| 215 | auto devicesIt = element.find("devices"); |
| 216 | if (devicesIt != element.end()) |
| 217 | { |
| 218 | devices = parseDeviceArray(*devicesIt); |
| 219 | ++propertyCount; |
| 220 | } |
| 221 | |
| 222 | // Verify no invalid properties exist |
| 223 | verifyPropertyCount(element, propertyCount); |
| 224 | |
| 225 | return std::make_unique<Chassis>(number, std::move(devices)); |
| 226 | } |
| 227 | |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 228 | std::vector<std::unique_ptr<Chassis>> parseChassisArray(const json& element) |
| 229 | { |
| 230 | verifyIsArray(element); |
| 231 | std::vector<std::unique_ptr<Chassis>> chassis; |
Bob King | 0e70113 | 2020-04-03 21:50:31 +0800 | [diff] [blame] | 232 | for (auto& chassisElement : element) |
| 233 | { |
| 234 | chassis.emplace_back(parseChassis(chassisElement)); |
| 235 | } |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 236 | return chassis; |
| 237 | } |
| 238 | |
Bob King | 33e7eaa | 2020-04-01 18:09:34 +0800 | [diff] [blame] | 239 | std::unique_ptr<Configuration> parseConfiguration(const json& element) |
| 240 | { |
| 241 | verifyIsObject(element); |
| 242 | unsigned int propertyCount{0}; |
| 243 | |
| 244 | // Optional comments property; value not stored |
| 245 | if (element.contains("comments")) |
| 246 | { |
| 247 | ++propertyCount; |
| 248 | } |
| 249 | |
| 250 | // Optional volts property |
| 251 | std::optional<double> volts{}; |
| 252 | auto voltsIt = element.find("volts"); |
| 253 | if (voltsIt != element.end()) |
| 254 | { |
| 255 | volts = parseDouble(*voltsIt); |
| 256 | ++propertyCount; |
| 257 | } |
| 258 | |
| 259 | // Required rule_id or actions property |
| 260 | std::vector<std::unique_ptr<Action>> actions{}; |
| 261 | actions = parseRuleIDOrActionsProperty(element); |
| 262 | ++propertyCount; |
| 263 | |
| 264 | // Verify no invalid properties exist |
| 265 | verifyPropertyCount(element, propertyCount); |
| 266 | |
| 267 | return std::make_unique<Configuration>(volts, std::move(actions)); |
| 268 | } |
| 269 | |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 270 | std::unique_ptr<Device> parseDevice(const json& element) |
| 271 | { |
| 272 | verifyIsObject(element); |
| 273 | unsigned int propertyCount{0}; |
| 274 | |
| 275 | // Optional comments property; value not stored |
| 276 | if (element.contains("comments")) |
| 277 | { |
| 278 | ++propertyCount; |
| 279 | } |
| 280 | |
| 281 | // Required id property |
| 282 | const json& idElement = getRequiredProperty(element, "id"); |
| 283 | std::string id = parseString(idElement); |
| 284 | ++propertyCount; |
| 285 | |
| 286 | // Required is_regulator property |
| 287 | const json& isRegulatorElement = |
| 288 | getRequiredProperty(element, "is_regulator"); |
| 289 | bool isRegulator = parseBoolean(isRegulatorElement); |
| 290 | ++propertyCount; |
| 291 | |
| 292 | // Required fru property |
| 293 | const json& fruElement = getRequiredProperty(element, "fru"); |
| 294 | std::string fru = parseString(fruElement); |
| 295 | ++propertyCount; |
| 296 | |
| 297 | // Required i2c_interface property |
| 298 | const json& i2cInterfaceElement = |
| 299 | getRequiredProperty(element, "i2c_interface"); |
| 300 | std::unique_ptr<i2c::I2CInterface> i2cInterface = |
| 301 | parseI2CInterface(i2cInterfaceElement); |
| 302 | ++propertyCount; |
| 303 | |
| 304 | // Optional presence_detection property |
| 305 | // TODO: Not implemented yet |
| 306 | std::unique_ptr<PresenceDetection> presenceDetection{}; |
| 307 | // auto presenceDetectionIt = element.find("presence_detection"); |
| 308 | // if (presenceDetectionIt != element.end()) |
| 309 | // { |
| 310 | // presenceDetection = parsePresenceDetection(*presenceDetectionIt); |
| 311 | // ++propertyCount; |
| 312 | // } |
| 313 | |
| 314 | // Optional configuration property |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 315 | std::unique_ptr<Configuration> configuration{}; |
Bob King | 33e7eaa | 2020-04-01 18:09:34 +0800 | [diff] [blame] | 316 | auto configurationIt = element.find("configuration"); |
| 317 | if (configurationIt != element.end()) |
| 318 | { |
| 319 | configuration = parseConfiguration(*configurationIt); |
| 320 | ++propertyCount; |
| 321 | } |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 322 | |
| 323 | // Optional rails property |
| 324 | std::vector<std::unique_ptr<Rail>> rails{}; |
| 325 | auto railsIt = element.find("rails"); |
| 326 | if (railsIt != element.end()) |
| 327 | { |
| 328 | if (!isRegulator) |
| 329 | { |
| 330 | throw std::invalid_argument{ |
| 331 | "Invalid rails property when is_regulator is false"}; |
| 332 | } |
| 333 | rails = parseRailArray(*railsIt); |
| 334 | ++propertyCount; |
| 335 | } |
| 336 | |
| 337 | // Verify no invalid properties exist |
| 338 | verifyPropertyCount(element, propertyCount); |
| 339 | |
| 340 | return std::make_unique<Device>(id, isRegulator, fru, |
| 341 | std::move(i2cInterface), |
| 342 | std::move(presenceDetection), |
| 343 | std::move(configuration), std::move(rails)); |
| 344 | } |
| 345 | |
Bob King | 0e70113 | 2020-04-03 21:50:31 +0800 | [diff] [blame] | 346 | std::vector<std::unique_ptr<Device>> parseDeviceArray(const json& element) |
| 347 | { |
| 348 | verifyIsArray(element); |
| 349 | std::vector<std::unique_ptr<Device>> devices; |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 350 | for (auto& deviceElement : element) |
| 351 | { |
| 352 | devices.emplace_back(parseDevice(deviceElement)); |
| 353 | } |
Bob King | 0e70113 | 2020-04-03 21:50:31 +0800 | [diff] [blame] | 354 | return devices; |
| 355 | } |
| 356 | |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 357 | std::vector<uint8_t> parseHexByteArray(const json& element) |
| 358 | { |
| 359 | verifyIsArray(element); |
| 360 | std::vector<uint8_t> values; |
| 361 | for (auto& valueElement : element) |
| 362 | { |
| 363 | values.emplace_back(parseHexByte(valueElement)); |
| 364 | } |
| 365 | return values; |
| 366 | } |
| 367 | |
Bob King | f09bfe0 | 2020-04-13 17:21:15 +0800 | [diff] [blame] | 368 | std::unique_ptr<I2CCompareBitAction> parseI2CCompareBit(const json& element) |
| 369 | { |
| 370 | verifyIsObject(element); |
| 371 | unsigned int propertyCount{0}; |
| 372 | |
| 373 | // Required register property |
| 374 | const json& regElement = getRequiredProperty(element, "register"); |
| 375 | uint8_t reg = parseHexByte(regElement); |
| 376 | ++propertyCount; |
| 377 | |
| 378 | // Required position property |
| 379 | const json& positionElement = getRequiredProperty(element, "position"); |
| 380 | uint8_t position = parseBitPosition(positionElement); |
| 381 | ++propertyCount; |
| 382 | |
| 383 | // Required value property |
| 384 | const json& valueElement = getRequiredProperty(element, "value"); |
| 385 | uint8_t value = parseBitValue(valueElement); |
| 386 | ++propertyCount; |
| 387 | |
| 388 | // Verify no invalid properties exist |
| 389 | verifyPropertyCount(element, propertyCount); |
| 390 | |
| 391 | return std::make_unique<I2CCompareBitAction>(reg, position, value); |
| 392 | } |
| 393 | |
| 394 | std::unique_ptr<I2CCompareByteAction> parseI2CCompareByte(const json& element) |
| 395 | { |
| 396 | verifyIsObject(element); |
| 397 | unsigned int propertyCount{0}; |
| 398 | |
| 399 | // Required register property |
| 400 | const json& regElement = getRequiredProperty(element, "register"); |
| 401 | uint8_t reg = parseHexByte(regElement); |
| 402 | ++propertyCount; |
| 403 | |
| 404 | // Required value property |
| 405 | const json& valueElement = getRequiredProperty(element, "value"); |
| 406 | uint8_t value = parseHexByte(valueElement); |
| 407 | ++propertyCount; |
| 408 | |
| 409 | // Optional mask property |
| 410 | uint8_t mask = 0xff; |
| 411 | auto maskIt = element.find("mask"); |
| 412 | if (maskIt != element.end()) |
| 413 | { |
| 414 | mask = parseHexByte(*maskIt); |
| 415 | ++propertyCount; |
| 416 | } |
| 417 | |
| 418 | // Verify no invalid properties exist |
| 419 | verifyPropertyCount(element, propertyCount); |
| 420 | |
| 421 | return std::make_unique<I2CCompareByteAction>(reg, value, mask); |
| 422 | } |
| 423 | |
| 424 | std::unique_ptr<I2CCompareBytesAction> parseI2CCompareBytes(const json& element) |
| 425 | { |
| 426 | verifyIsObject(element); |
| 427 | unsigned int propertyCount{0}; |
| 428 | |
| 429 | // Required register property |
| 430 | const json& regElement = getRequiredProperty(element, "register"); |
| 431 | uint8_t reg = parseHexByte(regElement); |
| 432 | ++propertyCount; |
| 433 | |
| 434 | // Required values property |
| 435 | const json& valueElement = getRequiredProperty(element, "values"); |
| 436 | std::vector<uint8_t> values = parseHexByteArray(valueElement); |
| 437 | ++propertyCount; |
| 438 | |
| 439 | // Optional masks property |
| 440 | std::vector<uint8_t> masks{}; |
| 441 | auto masksIt = element.find("masks"); |
| 442 | if (masksIt != element.end()) |
| 443 | { |
| 444 | masks = parseHexByteArray(*masksIt); |
| 445 | ++propertyCount; |
| 446 | } |
| 447 | |
| 448 | // Verify masks array (if specified) was same size as values array |
| 449 | if ((!masks.empty()) && (masks.size() != values.size())) |
| 450 | { |
| 451 | throw std::invalid_argument{"Invalid number of elements in masks"}; |
| 452 | } |
| 453 | |
| 454 | // Verify no invalid properties exist |
| 455 | verifyPropertyCount(element, propertyCount); |
| 456 | |
| 457 | if (masks.empty()) |
| 458 | { |
| 459 | return std::make_unique<I2CCompareBytesAction>(reg, values); |
| 460 | } |
| 461 | return std::make_unique<I2CCompareBytesAction>(reg, values, masks); |
| 462 | } |
| 463 | |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 464 | std::unique_ptr<i2c::I2CInterface> parseI2CInterface(const json& element) |
| 465 | { |
| 466 | verifyIsObject(element); |
| 467 | unsigned int propertyCount{0}; |
| 468 | |
| 469 | // Required bus property |
| 470 | const json& busElement = getRequiredProperty(element, "bus"); |
| 471 | uint8_t bus = parseUint8(busElement); |
| 472 | ++propertyCount; |
| 473 | |
| 474 | // Required address property |
| 475 | const json& addressElement = getRequiredProperty(element, "address"); |
| 476 | uint8_t address = parseHexByte(addressElement); |
| 477 | ++propertyCount; |
| 478 | |
| 479 | verifyPropertyCount(element, propertyCount); |
| 480 | return i2c::create(bus, address, i2c::I2CInterface::InitialState::CLOSED); |
| 481 | } |
| 482 | |
Bob King | f617f89 | 2020-03-30 19:03:35 +0800 | [diff] [blame] | 483 | std::unique_ptr<I2CWriteBitAction> parseI2CWriteBit(const json& element) |
| 484 | { |
| 485 | verifyIsObject(element); |
| 486 | unsigned int propertyCount{0}; |
| 487 | |
| 488 | // Required register property |
| 489 | const json& regElement = getRequiredProperty(element, "register"); |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 490 | uint8_t reg = parseHexByte(regElement); |
Bob King | f617f89 | 2020-03-30 19:03:35 +0800 | [diff] [blame] | 491 | ++propertyCount; |
| 492 | |
| 493 | // Required position property |
| 494 | const json& positionElement = getRequiredProperty(element, "position"); |
| 495 | uint8_t position = parseBitPosition(positionElement); |
| 496 | ++propertyCount; |
| 497 | |
| 498 | // Required value property |
| 499 | const json& valueElement = getRequiredProperty(element, "value"); |
| 500 | uint8_t value = parseBitValue(valueElement); |
| 501 | ++propertyCount; |
| 502 | |
| 503 | // Verify no invalid properties exist |
| 504 | verifyPropertyCount(element, propertyCount); |
| 505 | |
| 506 | return std::make_unique<I2CWriteBitAction>(reg, position, value); |
| 507 | } |
| 508 | |
Bob King | 87ff9d7 | 2020-03-31 14:02:55 +0800 | [diff] [blame] | 509 | std::unique_ptr<I2CWriteByteAction> parseI2CWriteByte(const json& element) |
| 510 | { |
| 511 | verifyIsObject(element); |
| 512 | unsigned int propertyCount{0}; |
| 513 | |
| 514 | // Required register property |
| 515 | const json& regElement = getRequiredProperty(element, "register"); |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 516 | uint8_t reg = parseHexByte(regElement); |
Bob King | 87ff9d7 | 2020-03-31 14:02:55 +0800 | [diff] [blame] | 517 | ++propertyCount; |
| 518 | |
| 519 | // Required value property |
| 520 | const json& valueElement = getRequiredProperty(element, "value"); |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 521 | uint8_t value = parseHexByte(valueElement); |
Bob King | 87ff9d7 | 2020-03-31 14:02:55 +0800 | [diff] [blame] | 522 | ++propertyCount; |
| 523 | |
| 524 | // Optional mask property |
| 525 | uint8_t mask = 0xff; |
| 526 | auto maskIt = element.find("mask"); |
| 527 | if (maskIt != element.end()) |
| 528 | { |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 529 | mask = parseHexByte(*maskIt); |
Bob King | 87ff9d7 | 2020-03-31 14:02:55 +0800 | [diff] [blame] | 530 | ++propertyCount; |
| 531 | } |
| 532 | |
| 533 | // Verify no invalid properties exist |
| 534 | verifyPropertyCount(element, propertyCount); |
| 535 | |
| 536 | return std::make_unique<I2CWriteByteAction>(reg, value, mask); |
| 537 | } |
| 538 | |
Bob King | bafcb86 | 2020-03-31 16:39:00 +0800 | [diff] [blame] | 539 | std::unique_ptr<I2CWriteBytesAction> parseI2CWriteBytes(const json& element) |
| 540 | { |
| 541 | verifyIsObject(element); |
| 542 | unsigned int propertyCount{0}; |
| 543 | |
| 544 | // Required register property |
| 545 | const json& regElement = getRequiredProperty(element, "register"); |
| 546 | uint8_t reg = parseHexByte(regElement); |
| 547 | ++propertyCount; |
| 548 | |
| 549 | // Required values property |
| 550 | const json& valueElement = getRequiredProperty(element, "values"); |
| 551 | std::vector<uint8_t> values = parseHexByteArray(valueElement); |
| 552 | ++propertyCount; |
| 553 | |
| 554 | // Optional masks property |
| 555 | std::vector<uint8_t> masks{}; |
| 556 | auto masksIt = element.find("masks"); |
| 557 | if (masksIt != element.end()) |
| 558 | { |
| 559 | masks = parseHexByteArray(*masksIt); |
| 560 | ++propertyCount; |
| 561 | } |
| 562 | |
| 563 | // Verify masks array (if specified) was same size as values array |
| 564 | if ((!masks.empty()) && (masks.size() != values.size())) |
| 565 | { |
| 566 | throw std::invalid_argument{"Invalid number of elements in masks"}; |
| 567 | } |
| 568 | |
| 569 | // Verify no invalid properties exist |
| 570 | verifyPropertyCount(element, propertyCount); |
| 571 | |
| 572 | if (masks.empty()) |
| 573 | { |
| 574 | return std::make_unique<I2CWriteBytesAction>(reg, values); |
| 575 | } |
| 576 | return std::make_unique<I2CWriteBytesAction>(reg, values, masks); |
| 577 | } |
| 578 | |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 579 | std::unique_ptr<PMBusWriteVoutCommandAction> |
| 580 | parsePMBusWriteVoutCommand(const json& element) |
| 581 | { |
| 582 | verifyIsObject(element); |
| 583 | unsigned int propertyCount{0}; |
| 584 | |
| 585 | // Optional volts property |
| 586 | std::optional<double> volts{}; |
| 587 | auto voltsIt = element.find("volts"); |
| 588 | if (voltsIt != element.end()) |
| 589 | { |
| 590 | volts = parseDouble(*voltsIt); |
| 591 | ++propertyCount; |
| 592 | } |
| 593 | |
| 594 | // Required format property |
| 595 | const json& formatElement = getRequiredProperty(element, "format"); |
| 596 | std::string formatString = parseString(formatElement); |
| 597 | if (formatString != "linear") |
| 598 | { |
| 599 | throw std::invalid_argument{"Invalid format value: " + formatString}; |
| 600 | } |
| 601 | pmbus_utils::VoutDataFormat format = pmbus_utils::VoutDataFormat::linear; |
| 602 | ++propertyCount; |
| 603 | |
| 604 | // Optional exponent property |
| 605 | std::optional<int8_t> exponent{}; |
| 606 | auto exponentIt = element.find("exponent"); |
| 607 | if (exponentIt != element.end()) |
| 608 | { |
| 609 | exponent = parseInt8(*exponentIt); |
| 610 | ++propertyCount; |
| 611 | } |
| 612 | |
| 613 | // Optional is_verified property |
| 614 | bool isVerified = false; |
| 615 | auto isVerifiedIt = element.find("is_verified"); |
| 616 | if (isVerifiedIt != element.end()) |
| 617 | { |
| 618 | isVerified = parseBoolean(*isVerifiedIt); |
| 619 | ++propertyCount; |
| 620 | } |
| 621 | |
| 622 | // Verify no invalid properties exist |
| 623 | verifyPropertyCount(element, propertyCount); |
| 624 | |
| 625 | return std::make_unique<PMBusWriteVoutCommandAction>(volts, format, |
| 626 | exponent, isVerified); |
| 627 | } |
| 628 | |
Bob King | a2f2a0d | 2020-04-09 13:32:14 +0800 | [diff] [blame] | 629 | std::unique_ptr<Rail> parseRail(const json& element) |
| 630 | { |
| 631 | verifyIsObject(element); |
| 632 | unsigned int propertyCount{0}; |
| 633 | |
| 634 | // Optional comments property; value not stored |
| 635 | if (element.contains("comments")) |
| 636 | { |
| 637 | ++propertyCount; |
| 638 | } |
| 639 | |
| 640 | // Required id property |
| 641 | const json& idElement = getRequiredProperty(element, "id"); |
| 642 | std::string id = parseString(idElement); |
| 643 | ++propertyCount; |
| 644 | |
| 645 | // Optional configuration property |
| 646 | std::unique_ptr<Configuration> configuration{}; |
| 647 | auto configurationIt = element.find("configuration"); |
| 648 | if (configurationIt != element.end()) |
| 649 | { |
| 650 | configuration = parseConfiguration(*configurationIt); |
| 651 | ++propertyCount; |
| 652 | } |
| 653 | |
| 654 | // Optional sensor_monitoring property |
| 655 | std::unique_ptr<SensorMonitoring> sensorMonitoring{}; |
| 656 | auto sensorMonitoringIt = element.find("sensor_monitoring"); |
| 657 | if (sensorMonitoringIt != element.end()) |
| 658 | { |
| 659 | sensorMonitoring = parseSensorMonitoring(*sensorMonitoringIt); |
| 660 | ++propertyCount; |
| 661 | } |
| 662 | |
| 663 | // Verify no invalid properties exist |
| 664 | verifyPropertyCount(element, propertyCount); |
| 665 | |
| 666 | return std::make_unique<Rail>(id, std::move(configuration), |
| 667 | std::move(sensorMonitoring)); |
| 668 | } |
| 669 | |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 670 | std::vector<std::unique_ptr<Rail>> parseRailArray(const json& element) |
| 671 | { |
| 672 | verifyIsArray(element); |
| 673 | std::vector<std::unique_ptr<Rail>> rails; |
Bob King | a2f2a0d | 2020-04-09 13:32:14 +0800 | [diff] [blame] | 674 | for (auto& railElement : element) |
| 675 | { |
| 676 | rails.emplace_back(parseRail(railElement)); |
| 677 | } |
Bob King | 9c36c5f | 2020-04-06 11:34:09 +0800 | [diff] [blame] | 678 | return rails; |
| 679 | } |
| 680 | |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 681 | std::tuple<std::vector<std::unique_ptr<Rule>>, |
| 682 | std::vector<std::unique_ptr<Chassis>>> |
| 683 | parseRoot(const json& element) |
| 684 | { |
| 685 | verifyIsObject(element); |
| 686 | unsigned int propertyCount{0}; |
| 687 | |
| 688 | // Optional comments property; value not stored |
| 689 | if (element.contains("comments")) |
| 690 | { |
| 691 | ++propertyCount; |
| 692 | } |
| 693 | |
| 694 | // Optional rules property |
| 695 | std::vector<std::unique_ptr<Rule>> rules{}; |
| 696 | auto rulesIt = element.find("rules"); |
| 697 | if (rulesIt != element.end()) |
| 698 | { |
| 699 | rules = parseRuleArray(*rulesIt); |
| 700 | ++propertyCount; |
| 701 | } |
| 702 | |
| 703 | // Required chassis property |
| 704 | const json& chassisElement = getRequiredProperty(element, "chassis"); |
| 705 | std::vector<std::unique_ptr<Chassis>> chassis = |
| 706 | parseChassisArray(chassisElement); |
| 707 | ++propertyCount; |
| 708 | |
| 709 | // Verify no invalid properties exist |
| 710 | verifyPropertyCount(element, propertyCount); |
| 711 | |
| 712 | return std::make_tuple(std::move(rules), std::move(chassis)); |
| 713 | } |
| 714 | |
| 715 | std::unique_ptr<Rule> parseRule(const json& element) |
| 716 | { |
| 717 | verifyIsObject(element); |
| 718 | unsigned int propertyCount{0}; |
| 719 | |
| 720 | // Optional comments property; value not stored |
| 721 | if (element.contains("comments")) |
| 722 | { |
| 723 | ++propertyCount; |
| 724 | } |
| 725 | |
| 726 | // Required id property |
| 727 | const json& idElement = getRequiredProperty(element, "id"); |
| 728 | std::string id = parseString(idElement); |
| 729 | ++propertyCount; |
| 730 | |
| 731 | // Required actions property |
| 732 | const json& actionsElement = getRequiredProperty(element, "actions"); |
| 733 | std::vector<std::unique_ptr<Action>> actions = |
| 734 | parseActionArray(actionsElement); |
| 735 | ++propertyCount; |
| 736 | |
| 737 | // Verify no invalid properties exist |
| 738 | verifyPropertyCount(element, propertyCount); |
| 739 | |
| 740 | return std::make_unique<Rule>(id, std::move(actions)); |
| 741 | } |
| 742 | |
| 743 | std::vector<std::unique_ptr<Rule>> parseRuleArray(const json& element) |
| 744 | { |
| 745 | verifyIsArray(element); |
| 746 | std::vector<std::unique_ptr<Rule>> rules; |
| 747 | for (auto& ruleElement : element) |
| 748 | { |
| 749 | rules.emplace_back(parseRule(ruleElement)); |
| 750 | } |
| 751 | return rules; |
| 752 | } |
| 753 | |
Bob King | 33e7eaa | 2020-04-01 18:09:34 +0800 | [diff] [blame] | 754 | std::vector<std::unique_ptr<Action>> |
| 755 | parseRuleIDOrActionsProperty(const json& element) |
| 756 | { |
| 757 | verifyIsObject(element); |
| 758 | // Required rule_id or actions property |
| 759 | std::vector<std::unique_ptr<Action>> actions{}; |
| 760 | auto ruleIDIt = element.find("rule_id"); |
| 761 | auto actionsIt = element.find("actions"); |
| 762 | if ((actionsIt == element.end()) && (ruleIDIt != element.end())) |
| 763 | { |
| 764 | std::string ruleID = parseString(*ruleIDIt); |
| 765 | actions.emplace_back(std::make_unique<RunRuleAction>(ruleID)); |
| 766 | } |
| 767 | else if ((actionsIt != element.end()) && (ruleIDIt == element.end())) |
| 768 | { |
| 769 | actions = parseActionArray(*actionsIt); |
| 770 | } |
| 771 | else |
| 772 | { |
| 773 | throw std::invalid_argument{"Invalid property combination: Must " |
| 774 | "contain either rule_id or actions"}; |
| 775 | } |
| 776 | |
| 777 | return actions; |
| 778 | } |
| 779 | |
Bob King | 315b0b6 | 2020-04-03 21:47:58 +0800 | [diff] [blame] | 780 | std::unique_ptr<RunRuleAction> parseRunRule(const json& element) |
| 781 | { |
| 782 | // String ruleID |
| 783 | std::string ruleID = parseString(element); |
| 784 | |
| 785 | return std::make_unique<RunRuleAction>(ruleID); |
| 786 | } |
| 787 | |
Bob King | a2f2a0d | 2020-04-09 13:32:14 +0800 | [diff] [blame] | 788 | std::unique_ptr<SensorMonitoring> parseSensorMonitoring(const json& element) |
| 789 | { |
| 790 | verifyIsObject(element); |
| 791 | unsigned int propertyCount{0}; |
| 792 | |
| 793 | // Optional comments property; value not stored |
| 794 | if (element.contains("comments")) |
| 795 | { |
| 796 | ++propertyCount; |
| 797 | } |
| 798 | |
| 799 | // Required rule_id or actions property |
| 800 | std::vector<std::unique_ptr<Action>> actions{}; |
| 801 | actions = parseRuleIDOrActionsProperty(element); |
| 802 | ++propertyCount; |
| 803 | |
| 804 | // Verify no invalid properties exist |
| 805 | verifyPropertyCount(element, propertyCount); |
| 806 | |
| 807 | return std::make_unique<SensorMonitoring>(std::move(actions)); |
| 808 | } |
| 809 | |
Shawn McCarney | 0e8c68a | 2020-03-27 01:44:48 -0500 | [diff] [blame] | 810 | } // namespace internal |
| 811 | |
| 812 | } // namespace phosphor::power::regulators::config_file_parser |