Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 1 | /** |
| 2 | * Copyright © 2017 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 | */ |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 16 | #include <phosphor-logging/log.hpp> |
| 17 | #include <phosphor-logging/elog.hpp> |
| 18 | #include <xyz/openbmc_project/Sensor/Device/error.hpp> |
| 19 | #include <xyz/openbmc_project/Control/Device/error.hpp> |
| 20 | #include <xyz/openbmc_project/Power/Fault/error.hpp> |
| 21 | #include "elog-errors.hpp" |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 22 | #include "names_values.hpp" |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 23 | #include "power_supply.hpp" |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 24 | #include "pmbus.hpp" |
| 25 | #include "utility.hpp" |
| 26 | |
| 27 | using namespace phosphor::logging; |
| 28 | using namespace sdbusplus::xyz::openbmc_project::Control::Device::Error; |
| 29 | using namespace sdbusplus::xyz::openbmc_project::Sensor::Device::Error; |
| 30 | using namespace sdbusplus::xyz::openbmc_project::Power::Fault::Error; |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 31 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 32 | namespace witherspoon |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 33 | { |
| 34 | namespace power |
| 35 | { |
| 36 | namespace psu |
| 37 | { |
| 38 | |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 39 | constexpr auto INVENTORY_OBJ_PATH = "/xyz/openbmc_project/inventory"; |
| 40 | constexpr auto INVENTORY_INTERFACE = "xyz.openbmc_project.Inventory.Item"; |
| 41 | constexpr auto PRESENT_PROP = "Present"; |
Brandon Wyman | 431fbe4 | 2017-08-18 16:22:09 -0500 | [diff] [blame^] | 42 | constexpr auto POWER_OBJ_PATH = "/org/openbmc/control/power0"; |
| 43 | constexpr auto POWER_INTERFACE = "org.openbmc.control.Power"; |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 44 | |
| 45 | PowerSupply::PowerSupply(const std::string& name, size_t inst, |
Brandon Wyman | 431fbe4 | 2017-08-18 16:22:09 -0500 | [diff] [blame^] | 46 | const std::string& objpath, |
| 47 | const std::string& invpath, |
| 48 | sdbusplus::bus::bus& bus, |
| 49 | event::Event& e, |
| 50 | std::chrono::seconds& t) |
| 51 | : Device(name, inst), monitorPath(objpath), pmbusIntf(objpath), |
| 52 | inventoryPath(invpath), bus(bus), event(e), powerOnInterval(t), |
| 53 | powerOnTimer(e, [this]() |
| 54 | { |
| 55 | this->powerOn = true; |
| 56 | }) |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 57 | { |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 58 | using namespace sdbusplus::bus; |
| 59 | auto present_obj_path = INVENTORY_OBJ_PATH + inventoryPath; |
| 60 | presentMatch = std::make_unique<match_t>(bus, |
| 61 | match::rules::propertiesChanged( |
| 62 | present_obj_path, |
| 63 | INVENTORY_INTERFACE), |
| 64 | [this](auto& msg) |
Brandon Wyman | 431fbe4 | 2017-08-18 16:22:09 -0500 | [diff] [blame^] | 65 | { |
| 66 | this->inventoryChanged(msg); |
| 67 | }); |
| 68 | // Get initial presence state. |
Brandon Wyman | 253dc9b | 2017-08-12 13:45:52 -0500 | [diff] [blame] | 69 | updatePresence(); |
Brandon Wyman | 431fbe4 | 2017-08-18 16:22:09 -0500 | [diff] [blame^] | 70 | |
| 71 | // Subscribe to power state changes |
| 72 | powerOnMatch = std::make_unique<match_t>(bus, |
| 73 | match::rules::propertiesChanged( |
| 74 | POWER_OBJ_PATH, |
| 75 | POWER_INTERFACE), |
| 76 | [this](auto& msg) |
| 77 | { |
| 78 | this->powerStateChanged(msg); |
| 79 | }); |
| 80 | // Get initial power state. |
| 81 | updatePowerState(); |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 82 | } |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 83 | |
Brandon Wyman | 431fbe4 | 2017-08-18 16:22:09 -0500 | [diff] [blame^] | 84 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 85 | void PowerSupply::analyze() |
| 86 | { |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 87 | using namespace witherspoon::pmbus; |
| 88 | |
| 89 | try |
| 90 | { |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 91 | if (present) |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 92 | { |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 93 | auto curUVFault = pmbusIntf.readBit(VIN_UV_FAULT, Type::Hwmon); |
| 94 | //TODO: 3 consecutive reads should be performed. |
| 95 | // If 3 consecutive reads are seen, log the fault. |
| 96 | // Driver gives cached value, read once a second. |
| 97 | // increment for fault on, decrement for fault off, to deglitch. |
| 98 | // If count reaches 3, we have fault. If count reaches 0, fault is |
| 99 | // cleared. |
| 100 | |
Brandon Wyman | 253dc9b | 2017-08-12 13:45:52 -0500 | [diff] [blame] | 101 | auto curInputFault = pmbusIntf.readBit(INPUT_FAULT_WARN, |
| 102 | Type::Hwmon); |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 103 | |
Brandon Wyman | 253dc9b | 2017-08-12 13:45:52 -0500 | [diff] [blame] | 104 | if (curUVFault != vinUVFault) |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 105 | { |
Brandon Wyman | 253dc9b | 2017-08-12 13:45:52 -0500 | [diff] [blame] | 106 | vinUVFault = curUVFault; |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 107 | |
| 108 | if (curUVFault) |
| 109 | { |
| 110 | std::uint16_t statusWord = 0; |
| 111 | statusWord = pmbusIntf.read(STATUS_WORD, Type::Debug); |
| 112 | |
| 113 | util::NamesValues nv; |
| 114 | nv.add("STATUS_WORD", statusWord); |
| 115 | |
| 116 | using metadata = xyz::openbmc_project::Power::Fault:: |
| 117 | PowerSupplyUnderVoltageFault; |
| 118 | |
| 119 | report<PowerSupplyUnderVoltageFault>( |
| 120 | metadata::RAW_STATUS(nv.get().c_str())); |
| 121 | |
| 122 | vinUVFault = true; |
| 123 | } |
| 124 | else |
| 125 | { |
| 126 | log<level::INFO>("VIN_UV_FAULT cleared", |
| 127 | entry("POWERSUPPLY=%s", |
| 128 | inventoryPath.c_str())); |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 129 | } |
Brandon Wyman | 253dc9b | 2017-08-12 13:45:52 -0500 | [diff] [blame] | 130 | |
| 131 | } |
| 132 | |
| 133 | if (curInputFault != inputFault) |
| 134 | { |
| 135 | if (curInputFault) |
| 136 | { |
| 137 | std::uint16_t statusWord = 0; |
| 138 | std::uint8_t statusInput = 0; |
| 139 | |
| 140 | statusWord = pmbusIntf.read(STATUS_WORD, Type::Debug); |
| 141 | statusInput = pmbusIntf.read(STATUS_INPUT, Type::Debug); |
| 142 | |
| 143 | util::NamesValues nv; |
| 144 | nv.add("STATUS_WORD", statusWord); |
| 145 | nv.add("STATUS_INPUT", statusInput); |
| 146 | |
| 147 | using metadata = xyz::openbmc_project::Power::Fault:: |
| 148 | PowerSupplyInputFault; |
| 149 | |
| 150 | report<PowerSupplyInputFault>( |
| 151 | metadata::RAW_STATUS(nv.get().c_str())); |
| 152 | |
| 153 | inputFault = true; |
| 154 | } |
| 155 | else |
| 156 | { |
| 157 | inputFault = false; |
| 158 | } |
| 159 | |
Brandon Wyman | 442035f | 2017-08-08 15:58:45 -0500 | [diff] [blame] | 160 | } |
| 161 | } |
| 162 | } |
| 163 | catch (ReadFailure& e) |
| 164 | { |
| 165 | if (!readFailLogged) |
| 166 | { |
| 167 | commit<ReadFailure>(); |
| 168 | readFailLogged = true; |
| 169 | // TODO - Need to reset that to false at start of power on, or |
| 170 | // presence change. |
| 171 | } |
| 172 | } |
| 173 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 174 | return; |
| 175 | } |
| 176 | |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 177 | void PowerSupply::inventoryChanged(sdbusplus::message::message& msg) |
| 178 | { |
| 179 | std::string msgSensor; |
| 180 | std::map<std::string, sdbusplus::message::variant<uint32_t, bool>> msgData; |
| 181 | msg.read(msgSensor, msgData); |
| 182 | |
| 183 | // Check if it was the Present property that changed. |
| 184 | auto valPropMap = msgData.find(PRESENT_PROP); |
| 185 | if (valPropMap != msgData.end()) |
| 186 | { |
| 187 | present = sdbusplus::message::variant_ns::get<bool>(valPropMap->second); |
| 188 | |
| 189 | if (present) |
| 190 | { |
| 191 | readFailLogged = false; |
| 192 | vinUVFault = false; |
Brandon Wyman | 253dc9b | 2017-08-12 13:45:52 -0500 | [diff] [blame] | 193 | inputFault = false; |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 194 | } |
| 195 | } |
| 196 | |
| 197 | return; |
| 198 | } |
| 199 | |
| 200 | void PowerSupply::updatePresence() |
| 201 | { |
| 202 | // Use getProperty utility function to get presence status. |
| 203 | std::string path = INVENTORY_OBJ_PATH + inventoryPath; |
| 204 | std::string service = "xyz.openbmc_project.Inventory.Manager"; |
Brandon Wyman | 8731a30 | 2017-08-16 16:15:34 -0500 | [diff] [blame] | 205 | |
| 206 | try |
| 207 | { |
| 208 | util::getProperty(INVENTORY_INTERFACE, PRESENT_PROP, path, |
| 209 | service, bus, this->present); |
| 210 | } |
| 211 | catch (std::exception& e) |
| 212 | { |
| 213 | // If we happen to be trying to update presence just as it is being |
| 214 | // updated, we may encounter a runtime_error. Just catch that for |
| 215 | // now, let the inventoryChanged signal handler update presence later. |
| 216 | present = false; |
| 217 | } |
| 218 | |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 219 | } |
| 220 | |
Brandon Wyman | 431fbe4 | 2017-08-18 16:22:09 -0500 | [diff] [blame^] | 221 | void PowerSupply::powerStateChanged(sdbusplus::message::message& msg) |
| 222 | { |
| 223 | int32_t state = 0; |
| 224 | std::string msgSensor; |
| 225 | std::map<std::string, sdbusplus::message::variant<int32_t, int32_t>> |
| 226 | msgData; |
| 227 | msg.read(msgSensor, msgData); |
| 228 | |
| 229 | // Check if it was the Present property that changed. |
| 230 | auto valPropMap = msgData.find("state"); |
| 231 | if (valPropMap != msgData.end()) |
| 232 | { |
| 233 | state = sdbusplus::message::variant_ns::get<int32_t>(valPropMap->second); |
| 234 | |
| 235 | // Power is on when state=1. Set the fault logged variables to false |
| 236 | // and start the power on timer when the state changes to 1. |
| 237 | if (state) |
| 238 | { |
| 239 | readFailLogged = false; |
| 240 | vinUVFault = false; |
| 241 | inputFault = false; |
| 242 | powerOnTimer.start(powerOnInterval, Timer::TimerType::oneshot); |
| 243 | } |
| 244 | else |
| 245 | { |
| 246 | powerOnTimer.stop(); |
| 247 | powerOn = false; |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | } |
| 252 | |
| 253 | void PowerSupply::updatePowerState() |
| 254 | { |
| 255 | // When state = 1, system is powered on |
| 256 | int32_t state = 0; |
| 257 | |
| 258 | try |
| 259 | { |
| 260 | auto service = util::getService(POWER_OBJ_PATH, |
| 261 | POWER_INTERFACE, |
| 262 | bus); |
| 263 | |
| 264 | // Use getProperty utility function to get power state. |
| 265 | util::getProperty<int32_t>(POWER_INTERFACE, |
| 266 | "state", |
| 267 | POWER_OBJ_PATH, |
| 268 | service, |
| 269 | bus, |
| 270 | state); |
| 271 | |
| 272 | if (state) |
| 273 | { |
| 274 | powerOn = true; |
| 275 | } |
| 276 | else |
| 277 | { |
| 278 | powerOn = false; |
| 279 | } |
| 280 | } |
| 281 | catch (std::exception& e) |
| 282 | { |
| 283 | log<level::INFO>("Failed to get power state. Assuming it is off."); |
| 284 | powerOn = false; |
| 285 | } |
| 286 | |
| 287 | } |
| 288 | |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 289 | void PowerSupply::clearFaults() |
| 290 | { |
Brandon Wyman | 1029554 | 2017-08-09 18:20:44 -0500 | [diff] [blame] | 291 | //TODO - Clear faults at pre-poweron. openbmc/openbmc#1736 |
Brandon Wyman | 1db9a9e | 2017-07-26 18:50:22 -0500 | [diff] [blame] | 292 | return; |
| 293 | } |
| 294 | |
Brandon Wyman | 24e422f | 2017-07-25 19:40:14 -0500 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | } |