Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | // Copyright (c) 2019 Intel 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 "utils.hpp" |
| 18 | |
| 19 | #include <boost/algorithm/string/replace.hpp> |
| 20 | #include <boost/asio/steady_timer.hpp> |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 21 | #include <filesystem> |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 22 | #include <iostream> |
| 23 | #include <sdbusplus/asio/connection.hpp> |
| 24 | #include <sdbusplus/asio/object_server.hpp> |
| 25 | #include <sdbusplus/bus/match.hpp> |
| 26 | #include <string> |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 27 | #include <utility> |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 28 | |
| 29 | extern "C" { |
| 30 | #include <i2c/smbus.h> |
| 31 | #include <linux/i2c-dev.h> |
| 32 | } |
| 33 | |
| 34 | constexpr const char* configType = |
| 35 | "xyz.openbmc_project.Configuration.Intel_HSBP_CPLD"; |
| 36 | |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 37 | constexpr size_t scanRateSeconds = 5; |
| 38 | constexpr size_t maxDrives = 8; // only 1 byte alloted |
| 39 | |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 40 | boost::asio::io_context io; |
| 41 | auto conn = std::make_shared<sdbusplus::asio::connection>(io); |
| 42 | sdbusplus::asio::object_server objServer(conn); |
| 43 | |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 44 | static std::string zeroPad(const uint8_t val) |
| 45 | { |
| 46 | std::ostringstream version; |
| 47 | version << std::setw(2) << std::setfill('0') << static_cast<size_t>(val); |
| 48 | return version.str(); |
| 49 | } |
| 50 | |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 51 | struct Mux |
| 52 | { |
| 53 | Mux(size_t busIn, size_t addressIn) : bus(busIn), address(addressIn) |
| 54 | { |
| 55 | } |
| 56 | size_t bus; |
| 57 | size_t address; |
| 58 | }; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 59 | struct Drive |
| 60 | { |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 61 | Drive(size_t driveIndex, bool isPresent, bool isOperational, bool nvme, |
| 62 | bool rebuilding) : |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 63 | isNvme(nvme) |
| 64 | { |
| 65 | constexpr const char* basePath = |
| 66 | "/xyz/openbmc_project/inventory/item/drive/Drive_"; |
| 67 | itemIface = objServer.add_interface( |
| 68 | basePath + std::to_string(driveIndex), inventory::interface); |
| 69 | itemIface->register_property("Present", isPresent); |
| 70 | itemIface->register_property("PrettyName", |
| 71 | "Drive " + std::to_string(driveIndex)); |
| 72 | itemIface->initialize(); |
| 73 | operationalIface = objServer.add_interface( |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 74 | itemIface->get_object_path(), |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 75 | "xyz.openbmc_project.State.Decorator.OperationalStatus"); |
| 76 | operationalIface->register_property("Functional", isOperational); |
| 77 | operationalIface->initialize(); |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 78 | rebuildingIface = objServer.add_interface( |
| 79 | itemIface->get_object_path(), "xyz.openbmc_project.State.Drive"); |
| 80 | rebuildingIface->register_property("Rebuilding", rebuilding); |
| 81 | rebuildingIface->initialize(); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 82 | } |
| 83 | ~Drive() |
| 84 | { |
| 85 | objServer.remove_interface(itemIface); |
| 86 | objServer.remove_interface(operationalIface); |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 87 | objServer.remove_interface(rebuildingIface); |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 88 | objServer.remove_interface(associationIface); |
| 89 | } |
| 90 | |
| 91 | void createAssociation(const std::string& path) |
| 92 | { |
| 93 | if (associationIface != nullptr) |
| 94 | { |
| 95 | return; |
| 96 | } |
| 97 | associationIface = objServer.add_interface( |
| 98 | itemIface->get_object_path(), |
| 99 | "xyz.openbmc_project.Association.Definitions"); |
| 100 | std::vector<Association> associations; |
| 101 | associations.emplace_back("inventory", "drive", path); |
| 102 | associationIface->register_property("Associations", associations); |
| 103 | associationIface->initialize(); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | std::shared_ptr<sdbusplus::asio::dbus_interface> itemIface; |
| 107 | std::shared_ptr<sdbusplus::asio::dbus_interface> operationalIface; |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 108 | std::shared_ptr<sdbusplus::asio::dbus_interface> rebuildingIface; |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 109 | std::shared_ptr<sdbusplus::asio::dbus_interface> associationIface; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 110 | bool isNvme; |
| 111 | }; |
| 112 | |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 113 | struct Backplane |
| 114 | { |
| 115 | |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 116 | Backplane(size_t busIn, size_t addressIn, size_t backplaneIndexIn, |
| 117 | const std::string& nameIn) : |
| 118 | bus(busIn), |
| 119 | address(addressIn), backplaneIndex(backplaneIndexIn - 1), name(nameIn), |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 120 | timer(std::make_shared<boost::asio::steady_timer>(io)), |
| 121 | muxes(std::make_shared<std::vector<Mux>>()) |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 122 | { |
| 123 | } |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 124 | void run() |
| 125 | { |
| 126 | file = open(("/dev/i2c-" + std::to_string(bus)).c_str(), O_RDWR); |
| 127 | if (file < 0) |
| 128 | { |
| 129 | std::cerr << "unable to open bus " << bus << "\n"; |
| 130 | return; |
| 131 | } |
| 132 | |
| 133 | if (ioctl(file, I2C_SLAVE_FORCE, address) < 0) |
| 134 | { |
| 135 | std::cerr << "unable to set address to " << address << "\n"; |
| 136 | return; |
| 137 | } |
| 138 | |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 139 | if (!getPresent()) |
| 140 | { |
| 141 | std::cerr << "Cannot detect CPLD\n"; |
| 142 | return; |
| 143 | } |
| 144 | |
| 145 | getBootVer(bootVer); |
| 146 | getFPGAVer(fpgaVer); |
| 147 | getSecurityRev(securityRev); |
| 148 | std::string dbusName = boost::replace_all_copy(name, " ", "_"); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 149 | hsbpItemIface = objServer.add_interface( |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 150 | "/xyz/openbmc_project/inventory/item/hsbp/" + dbusName, |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 151 | inventory::interface); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 152 | hsbpItemIface->register_property("Present", true); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 153 | hsbpItemIface->register_property("PrettyName", name); |
| 154 | hsbpItemIface->initialize(); |
| 155 | |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 156 | versionIface = |
| 157 | objServer.add_interface(hsbpItemIface->get_object_path(), |
| 158 | "xyz.openbmc_project.Software.Version"); |
| 159 | versionIface->register_property("Version", zeroPad(bootVer) + "." + |
| 160 | zeroPad(fpgaVer) + "." + |
| 161 | zeroPad(securityRev)); |
| 162 | versionIface->register_property( |
| 163 | "Purpose", |
| 164 | std::string( |
| 165 | "xyz.openbmc_project.Software.Version.VersionPurpose.HSBP")); |
| 166 | versionIface->initialize(); |
| 167 | getPresence(presence); |
| 168 | getIFDET(ifdet); |
| 169 | |
| 170 | createDrives(); |
| 171 | |
| 172 | runTimer(); |
| 173 | } |
| 174 | |
| 175 | void runTimer() |
| 176 | { |
| 177 | timer->expires_after(std::chrono::seconds(scanRateSeconds)); |
| 178 | timer->async_wait([this](boost::system::error_code ec) { |
| 179 | if (ec == boost::asio::error::operation_aborted) |
| 180 | { |
| 181 | // we're being destroyed |
| 182 | return; |
| 183 | } |
| 184 | else if (ec) |
| 185 | { |
| 186 | std::cerr << "timer error " << ec.message() << "\n"; |
| 187 | return; |
| 188 | } |
| 189 | uint8_t curPresence = 0; |
| 190 | uint8_t curIFDET = 0; |
| 191 | uint8_t curFailed = 0; |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 192 | uint8_t curRebuild = 0; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 193 | |
| 194 | getPresence(curPresence); |
| 195 | getIFDET(curIFDET); |
| 196 | getFailed(curFailed); |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 197 | getRebuild(curRebuild); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 198 | |
| 199 | if (curPresence != presence || curIFDET != ifdet || |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 200 | curFailed != failed || curRebuild != rebuilding) |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 201 | { |
| 202 | presence = curPresence; |
| 203 | ifdet = curIFDET; |
| 204 | failed = curFailed; |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 205 | rebuilding = curRebuild; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 206 | updateDrives(); |
| 207 | } |
| 208 | runTimer(); |
| 209 | }); |
| 210 | } |
| 211 | |
| 212 | void createDrives() |
| 213 | { |
| 214 | uint8_t nvme = ifdet ^ presence; |
| 215 | for (size_t ii = 0; ii < maxDrives; ii++) |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 216 | { |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 217 | bool isNvme = nvme & (1 << ii); |
| 218 | bool isPresent = isNvme || (presence & (1 << ii)); |
| 219 | bool isFailed = !isPresent || failed & (1 << ii); |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 220 | bool isRebuilding = !isPresent && (rebuilding & (1 << ii)); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 221 | |
| 222 | // +1 to convert from 0 based to 1 based |
| 223 | size_t driveIndex = (backplaneIndex * maxDrives) + ii + 1; |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 224 | drives.emplace_back(driveIndex, isPresent, !isFailed, isNvme, |
| 225 | isRebuilding); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 226 | } |
| 227 | } |
| 228 | |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 229 | void updateDrives() |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 230 | { |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 231 | |
| 232 | uint8_t nvme = ifdet ^ presence; |
| 233 | for (size_t ii = 0; ii < maxDrives; ii++) |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 234 | { |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 235 | bool isNvme = nvme & (1 << ii); |
| 236 | bool isPresent = isNvme || (presence & (1 << ii)); |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 237 | bool isFailed = !isPresent || (failed & (1 << ii)); |
| 238 | bool isRebuilding = isPresent && (rebuilding & (1 << ii)); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 239 | |
| 240 | Drive& drive = drives[ii]; |
| 241 | drive.isNvme = isNvme; |
| 242 | drive.itemIface->set_property("Present", isPresent); |
| 243 | drive.operationalIface->set_property("Functional", !isFailed); |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 244 | drive.rebuildingIface->set_property("Rebuilding", isRebuilding); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 245 | } |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | bool getPresent() |
| 249 | { |
| 250 | present = i2c_smbus_read_byte(file) >= 0; |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 251 | return present; |
| 252 | } |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 253 | |
| 254 | bool getTypeID(uint8_t& val) |
| 255 | { |
| 256 | constexpr uint8_t addr = 2; |
| 257 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 258 | if (ret < 0) |
| 259 | { |
| 260 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 261 | return false; |
| 262 | } |
| 263 | val = static_cast<uint8_t>(ret); |
| 264 | return true; |
| 265 | } |
| 266 | |
| 267 | bool getBootVer(uint8_t& val) |
| 268 | { |
| 269 | constexpr uint8_t addr = 3; |
| 270 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 271 | if (ret < 0) |
| 272 | { |
| 273 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 274 | return false; |
| 275 | } |
| 276 | val = static_cast<uint8_t>(ret); |
| 277 | return true; |
| 278 | } |
| 279 | |
| 280 | bool getFPGAVer(uint8_t& val) |
| 281 | { |
| 282 | constexpr uint8_t addr = 4; |
| 283 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 284 | if (ret < 0) |
| 285 | { |
| 286 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 287 | return false; |
| 288 | } |
| 289 | val = static_cast<uint8_t>(ret); |
| 290 | return true; |
| 291 | } |
| 292 | |
| 293 | bool getSecurityRev(uint8_t& val) |
| 294 | { |
| 295 | constexpr uint8_t addr = 5; |
| 296 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 297 | if (ret < 0) |
| 298 | { |
| 299 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 300 | return false; |
| 301 | } |
| 302 | val = static_cast<uint8_t>(ret); |
| 303 | return true; |
| 304 | } |
| 305 | |
| 306 | bool getPresence(uint8_t& val) |
| 307 | { |
| 308 | // NVMe drives do not assert PRSNTn, and as such do not get reported as |
| 309 | // PRESENT in this register |
| 310 | |
| 311 | constexpr uint8_t addr = 8; |
| 312 | |
| 313 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 314 | if (ret < 0) |
| 315 | { |
| 316 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 317 | return false; |
| 318 | } |
| 319 | // presence is inverted |
| 320 | val = static_cast<uint8_t>(~ret); |
| 321 | return true; |
| 322 | } |
| 323 | |
| 324 | bool getIFDET(uint8_t& val) |
| 325 | { |
| 326 | // This register is a bitmap of parallel GPIO pins connected to the |
| 327 | // IFDETn pin of a drive slot. SATA, SAS, and NVMe drives all assert |
| 328 | // IFDETn low when they are inserted into the HSBP.This register, in |
| 329 | // combination with the PRESENCE register, are used by the BMC to detect |
| 330 | // the presence of NVMe drives. |
| 331 | |
| 332 | constexpr uint8_t addr = 9; |
| 333 | |
| 334 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 335 | if (ret < 0) |
| 336 | { |
| 337 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 338 | return false; |
| 339 | } |
| 340 | // ifdet is inverted |
| 341 | val = static_cast<uint8_t>(~ret); |
| 342 | return true; |
| 343 | } |
| 344 | |
| 345 | bool getFailed(uint8_t& val) |
| 346 | { |
| 347 | constexpr uint8_t addr = 0xC; |
| 348 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 349 | if (ret < 0) |
| 350 | { |
| 351 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 352 | return false; |
| 353 | } |
| 354 | val = static_cast<uint8_t>(ret); |
| 355 | return true; |
| 356 | } |
| 357 | |
| 358 | bool getRebuild(uint8_t& val) |
| 359 | { |
| 360 | constexpr uint8_t addr = 0xD; |
| 361 | int ret = i2c_smbus_read_byte_data(file, addr); |
| 362 | if (ret < 0) |
| 363 | { |
| 364 | std::cerr << "Error " << __FUNCTION__ << "\n"; |
| 365 | return false; |
| 366 | } |
| 367 | val = static_cast<uint8_t>(ret); |
| 368 | return true; |
| 369 | } |
| 370 | |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 371 | ~Backplane() |
| 372 | { |
| 373 | objServer.remove_interface(hsbpItemIface); |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 374 | objServer.remove_interface(versionIface); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 375 | if (file >= 0) |
| 376 | { |
| 377 | close(file); |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | size_t bus; |
| 382 | size_t address; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 383 | size_t backplaneIndex; |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 384 | std::string name; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 385 | std::shared_ptr<boost::asio::steady_timer> timer; |
| 386 | bool present = false; |
| 387 | uint8_t typeId = 0; |
| 388 | uint8_t bootVer = 0; |
| 389 | uint8_t fpgaVer = 0; |
| 390 | uint8_t securityRev = 0; |
| 391 | uint8_t funSupported = 0; |
| 392 | uint8_t presence = 0; |
| 393 | uint8_t ifdet = 0; |
| 394 | uint8_t failed = 0; |
James Feist | 244f323 | 2019-09-27 15:15:14 -0700 | [diff] [blame] | 395 | uint8_t rebuilding = 0; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 396 | |
| 397 | int file = -1; |
| 398 | |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 399 | std::string type; |
| 400 | |
| 401 | std::shared_ptr<sdbusplus::asio::dbus_interface> hsbpItemIface; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 402 | std::shared_ptr<sdbusplus::asio::dbus_interface> versionIface; |
| 403 | |
| 404 | std::vector<Drive> drives; |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 405 | std::shared_ptr<std::vector<Mux>> muxes; |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 406 | }; |
| 407 | |
| 408 | std::unordered_map<std::string, Backplane> backplanes; |
| 409 | |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 410 | void updateAssociations() |
| 411 | { |
| 412 | constexpr const char* driveType = |
| 413 | "xyz.openbmc_project.Inventory.Item.Drive"; |
| 414 | |
| 415 | conn->async_method_call( |
| 416 | [](const boost::system::error_code ec, const GetSubTreeType& subtree) { |
| 417 | if (ec) |
| 418 | { |
| 419 | std::cerr << "Error contacting mapper " << ec.message() << "\n"; |
| 420 | return; |
| 421 | } |
| 422 | for (const auto& [path, objDict] : subtree) |
| 423 | { |
| 424 | if (objDict.empty()) |
| 425 | { |
| 426 | continue; |
| 427 | } |
| 428 | |
| 429 | const std::string& owner = objDict.begin()->first; |
| 430 | conn->async_method_call( |
| 431 | [path](const boost::system::error_code ec2, |
| 432 | const boost::container::flat_map< |
| 433 | std::string, std::variant<uint64_t>>& values) { |
| 434 | if (ec2) |
| 435 | { |
| 436 | std::cerr << "Error Getting Config " |
| 437 | << ec2.message() << " " << __FUNCTION__ |
| 438 | << "\n"; |
| 439 | return; |
| 440 | } |
| 441 | auto findBus = values.find("Bus"); |
| 442 | auto findIndex = values.find("Index"); |
| 443 | |
| 444 | if (findBus == values.end() || |
| 445 | findIndex == values.end()) |
| 446 | { |
| 447 | std::cerr << "Illegal interface at " << path |
| 448 | << "\n"; |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | size_t muxBus = static_cast<size_t>( |
| 453 | std::get<uint64_t>(findBus->second)); |
| 454 | size_t driveIndex = static_cast<size_t>( |
| 455 | std::get<uint64_t>(findIndex->second)); |
| 456 | std::filesystem::path muxPath = |
| 457 | "/sys/bus/i2c/devices/i2c-" + |
| 458 | std::to_string(muxBus) + "/mux_device"; |
| 459 | if (!std::filesystem::is_symlink(muxPath)) |
| 460 | { |
| 461 | std::cerr << path << " mux does not exist\n"; |
| 462 | return; |
| 463 | } |
| 464 | |
| 465 | // we should be getting something of the form 7-0052 for |
| 466 | // bus 7 addr 52 |
| 467 | std::string fname = |
| 468 | std::filesystem::read_symlink(muxPath).filename(); |
| 469 | auto findDash = fname.find('-'); |
| 470 | |
| 471 | if (findDash == std::string::npos || |
| 472 | findDash + 1 >= fname.size()) |
| 473 | { |
| 474 | std::cerr << path << " mux path invalid\n"; |
| 475 | return; |
| 476 | } |
| 477 | |
| 478 | std::string busStr = fname.substr(0, findDash); |
| 479 | std::string muxStr = fname.substr(findDash + 1); |
| 480 | |
| 481 | size_t bus = static_cast<size_t>(std::stoi(busStr)); |
| 482 | size_t addr = |
| 483 | static_cast<size_t>(std::stoi(muxStr, nullptr, 16)); |
| 484 | Backplane* parent = nullptr; |
| 485 | for (auto& [name, backplane] : backplanes) |
| 486 | { |
| 487 | for (const Mux& mux : *(backplane.muxes)) |
| 488 | { |
| 489 | if (bus == mux.bus && addr == mux.address) |
| 490 | { |
| 491 | parent = &backplane; |
| 492 | break; |
| 493 | } |
| 494 | } |
| 495 | } |
| 496 | if (parent == nullptr) |
| 497 | { |
| 498 | std::cerr << "Failed to find mux at bus " << bus |
| 499 | << ", addr " << addr << "\n"; |
| 500 | return; |
| 501 | } |
| 502 | if (parent->drives.size() <= driveIndex) |
| 503 | { |
| 504 | |
| 505 | std::cerr << "Illegal drive index at " << path |
| 506 | << " " << driveIndex << "\n"; |
| 507 | return; |
| 508 | } |
| 509 | Drive& drive = parent->drives[driveIndex]; |
| 510 | drive.createAssociation(path); |
| 511 | }, |
| 512 | owner, path, "org.freedesktop.DBus.Properties", "GetAll", |
| 513 | "xyz.openbmc_project.Inventory.Item.Drive"); |
| 514 | } |
| 515 | }, |
| 516 | mapper::busName, mapper::path, mapper::interface, mapper::subtree, "/", |
| 517 | 0, std::array<const char*, 1>{driveType}); |
| 518 | } |
| 519 | |
| 520 | void populateMuxes(std::shared_ptr<std::vector<Mux>> muxes, |
| 521 | std::string& rootPath) |
| 522 | { |
| 523 | const static std::array<const std::string, 4> muxTypes = { |
| 524 | "xyz.openbmc_project.Configuration.PCA9543Mux", |
| 525 | "xyz.openbmc_project.Configuration.PCA9544Mux", |
| 526 | "xyz.openbmc_project.Configuration.PCA9545Mux", |
| 527 | "xyz.openbmc_project.Configuration.PCA9546Mux"}; |
| 528 | conn->async_method_call( |
| 529 | [muxes](const boost::system::error_code ec, |
| 530 | const GetSubTreeType& subtree) { |
| 531 | if (ec) |
| 532 | { |
| 533 | std::cerr << "Error contacting mapper " << ec.message() << "\n"; |
| 534 | return; |
| 535 | } |
| 536 | std::shared_ptr<std::function<void()>> callback = |
| 537 | std::make_shared<std::function<void()>>( |
| 538 | []() { updateAssociations(); }); |
| 539 | for (const auto& [path, objDict] : subtree) |
| 540 | { |
| 541 | if (objDict.empty() || objDict.begin()->second.empty()) |
| 542 | { |
| 543 | continue; |
| 544 | } |
| 545 | |
| 546 | const std::string& owner = objDict.begin()->first; |
| 547 | const std::vector<std::string>& interfaces = |
| 548 | objDict.begin()->second; |
| 549 | |
| 550 | const std::string* interface = nullptr; |
| 551 | for (const std::string& iface : interfaces) |
| 552 | { |
| 553 | if (std::find(muxTypes.begin(), muxTypes.end(), iface) != |
| 554 | muxTypes.end()) |
| 555 | { |
| 556 | interface = &iface; |
| 557 | break; |
| 558 | } |
| 559 | } |
| 560 | if (interface == nullptr) |
| 561 | { |
| 562 | std::cerr << "Cannot get mux type\n"; |
| 563 | continue; |
| 564 | } |
| 565 | |
| 566 | conn->async_method_call( |
| 567 | [path, muxes, callback]( |
| 568 | const boost::system::error_code ec2, |
| 569 | const boost::container::flat_map< |
| 570 | std::string, std::variant<uint64_t>>& values) { |
| 571 | if (ec2) |
| 572 | { |
| 573 | std::cerr << "Error Getting Config " |
| 574 | << ec2.message() << " " << __FUNCTION__ |
| 575 | << "\n"; |
| 576 | return; |
| 577 | } |
| 578 | auto findBus = values.find("Bus"); |
| 579 | auto findAddress = values.find("Address"); |
| 580 | if (findBus == values.end() || |
| 581 | findAddress == values.end()) |
| 582 | { |
| 583 | std::cerr << "Illegal configuration at " << path |
| 584 | << "\n"; |
| 585 | return; |
| 586 | } |
| 587 | size_t bus = static_cast<size_t>( |
| 588 | std::get<uint64_t>(findBus->second)); |
| 589 | size_t address = static_cast<size_t>( |
| 590 | std::get<uint64_t>(findAddress->second)); |
| 591 | muxes->emplace_back(bus, address); |
| 592 | if (callback.use_count() == 1) |
| 593 | { |
| 594 | (*callback)(); |
| 595 | } |
| 596 | }, |
| 597 | owner, path, "org.freedesktop.DBus.Properties", "GetAll", |
| 598 | *interface); |
| 599 | } |
| 600 | }, |
| 601 | mapper::busName, mapper::path, mapper::interface, mapper::subtree, |
| 602 | rootPath, 1, muxTypes); |
| 603 | } |
| 604 | |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 605 | void populate() |
| 606 | { |
| 607 | conn->async_method_call( |
| 608 | [](const boost::system::error_code ec, const GetSubTreeType& subtree) { |
| 609 | if (ec) |
| 610 | { |
| 611 | std::cerr << "Error contacting mapper " << ec.message() << "\n"; |
| 612 | return; |
| 613 | } |
| 614 | for (const auto& [path, objDict] : subtree) |
| 615 | { |
| 616 | if (objDict.empty()) |
| 617 | { |
| 618 | continue; |
| 619 | } |
| 620 | |
| 621 | const std::string& owner = objDict.begin()->first; |
| 622 | conn->async_method_call( |
| 623 | [path](const boost::system::error_code ec2, |
| 624 | const boost::container::flat_map< |
| 625 | std::string, BasicVariantType>& resp) { |
| 626 | if (ec2) |
| 627 | { |
| 628 | std::cerr << "Error Getting Config " |
| 629 | << ec2.message() << "\n"; |
| 630 | return; |
| 631 | } |
| 632 | backplanes.clear(); |
| 633 | std::optional<size_t> bus; |
| 634 | std::optional<size_t> address; |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 635 | std::optional<size_t> backplaneIndex; |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 636 | std::optional<std::string> name; |
| 637 | for (const auto& [key, value] : resp) |
| 638 | { |
| 639 | if (key == "Bus") |
| 640 | { |
| 641 | bus = std::get<uint64_t>(value); |
| 642 | } |
| 643 | else if (key == "Address") |
| 644 | { |
| 645 | address = std::get<uint64_t>(value); |
| 646 | } |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 647 | else if (key == "Index") |
| 648 | { |
| 649 | backplaneIndex = std::get<uint64_t>(value); |
| 650 | } |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 651 | else if (key == "Name") |
| 652 | { |
| 653 | name = std::get<std::string>(value); |
| 654 | } |
| 655 | } |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 656 | if (!bus || !address || !name || !backplaneIndex) |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 657 | { |
| 658 | std::cerr << "Illegal configuration at " << path |
| 659 | << "\n"; |
| 660 | return; |
| 661 | } |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 662 | std::string parentPath = |
| 663 | std::filesystem::path(path).parent_path(); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 664 | const auto& [backplane, status] = backplanes.emplace( |
James Feist | 4577222 | 2019-09-27 10:38:08 -0700 | [diff] [blame] | 665 | *name, |
| 666 | Backplane(*bus, *address, *backplaneIndex, *name)); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 667 | backplane->second.run(); |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 668 | populateMuxes(backplane->second.muxes, parentPath); |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 669 | }, |
| 670 | owner, path, "org.freedesktop.DBus.Properties", "GetAll", |
| 671 | configType); |
| 672 | } |
| 673 | }, |
| 674 | mapper::busName, mapper::path, mapper::interface, mapper::subtree, "/", |
| 675 | 0, std::array<const char*, 1>{configType}); |
| 676 | } |
| 677 | |
| 678 | int main() |
| 679 | { |
| 680 | boost::asio::steady_timer callbackTimer(io); |
| 681 | |
| 682 | conn->request_name("xyz.openbmc_project.HsbpManager"); |
| 683 | |
| 684 | sdbusplus::bus::match::match match( |
| 685 | *conn, |
| 686 | "type='signal',member='PropertiesChanged',arg0='" + |
| 687 | std::string(configType) + "'", |
| 688 | [&callbackTimer](sdbusplus::message::message&) { |
| 689 | callbackTimer.expires_after(std::chrono::seconds(2)); |
| 690 | callbackTimer.async_wait([](const boost::system::error_code ec) { |
| 691 | if (ec == boost::asio::error::operation_aborted) |
| 692 | { |
| 693 | // timer was restarted |
| 694 | return; |
| 695 | } |
| 696 | else if (ec) |
| 697 | { |
| 698 | std::cerr << "Timer error" << ec.message() << "\n"; |
| 699 | return; |
| 700 | } |
| 701 | populate(); |
| 702 | }); |
| 703 | }); |
| 704 | |
James Feist | 0b236ab | 2019-10-02 09:09:16 -0700 | [diff] [blame^] | 705 | sdbusplus::bus::match::match drive( |
| 706 | *conn, |
| 707 | "type='signal',member='PropertiesChanged',arg0='xyz.openbmc_project." |
| 708 | "Inventory.Item.Drive'", |
| 709 | [&callbackTimer](sdbusplus::message::message&) { |
| 710 | callbackTimer.expires_after(std::chrono::seconds(2)); |
| 711 | callbackTimer.async_wait([](const boost::system::error_code ec) { |
| 712 | if (ec == boost::asio::error::operation_aborted) |
| 713 | { |
| 714 | // timer was restarted |
| 715 | return; |
| 716 | } |
| 717 | else if (ec) |
| 718 | { |
| 719 | std::cerr << "Timer error" << ec.message() << "\n"; |
| 720 | return; |
| 721 | } |
| 722 | populate(); |
| 723 | }); |
| 724 | }); |
| 725 | |
Feist, James | c95cf67 | 2019-08-29 16:10:35 -0700 | [diff] [blame] | 726 | io.post([]() { populate(); }); |
| 727 | io.run(); |
| 728 | } |