Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 1 | #include "power_supply.hpp" |
| 2 | |
| 3 | #include "types.hpp" |
Brandon Wyman | 3f1242f | 2020-01-28 13:11:25 -0600 | [diff] [blame] | 4 | #include "util.hpp" |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 5 | |
Brandon Wyman | 3f1242f | 2020-01-28 13:11:25 -0600 | [diff] [blame] | 6 | #include <xyz/openbmc_project/Common/Device/error.hpp> |
| 7 | |
| 8 | namespace phosphor::power::psu |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 9 | { |
| 10 | |
| 11 | using namespace phosphor::logging; |
Brandon Wyman | 3f1242f | 2020-01-28 13:11:25 -0600 | [diff] [blame] | 12 | using namespace sdbusplus::xyz::openbmc_project::Common::Device::Error; |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 13 | |
| 14 | void PowerSupply::updatePresence() |
| 15 | { |
| 16 | try |
| 17 | { |
Brandon Wyman | 3f1242f | 2020-01-28 13:11:25 -0600 | [diff] [blame] | 18 | present = getPresence(bus, inventoryPath); |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 19 | } |
| 20 | catch (const sdbusplus::exception::SdBusError& e) |
| 21 | { |
| 22 | // Relying on property change or interface added to retry. |
| 23 | // Log an informational trace to the journal. |
| 24 | log<level::INFO>("D-Bus property access failure exception"); |
| 25 | } |
| 26 | } |
| 27 | |
Brandon Wyman | 3f1242f | 2020-01-28 13:11:25 -0600 | [diff] [blame] | 28 | void PowerSupply::analyze() |
| 29 | { |
| 30 | using namespace phosphor::pmbus; |
| 31 | |
| 32 | if (present) |
| 33 | { |
| 34 | try |
| 35 | { |
| 36 | auto statusWord{pmbusIntf->read(STATUS_WORD, Type::Debug)}; |
| 37 | |
| 38 | if (statusWord) |
| 39 | { |
| 40 | if (statusWord & status_word::INPUT_FAULT_WARN) |
| 41 | { |
| 42 | if (!inputFault) |
| 43 | { |
| 44 | log<level::INFO>( |
| 45 | "INPUT fault", |
| 46 | entry("STATUS_WORD=0x%04X", |
| 47 | static_cast<uint16_t>(statusWord))); |
| 48 | } |
| 49 | |
| 50 | faultFound = true; |
| 51 | inputFault = true; |
| 52 | } |
| 53 | |
| 54 | if (statusWord & status_word::MFR_SPECIFIC_FAULT) |
| 55 | { |
| 56 | if (!mfrFault) |
| 57 | { |
| 58 | log<level::INFO>( |
| 59 | "MFRSPECIFIC fault", |
| 60 | entry("STATUS_WORD=0x%04X", |
| 61 | static_cast<uint16_t>(statusWord))); |
| 62 | } |
| 63 | faultFound = true; |
| 64 | mfrFault = true; |
| 65 | } |
| 66 | |
| 67 | if (statusWord & status_word::VIN_UV_FAULT) |
| 68 | { |
| 69 | if (!vinUVFault) |
| 70 | { |
| 71 | log<level::INFO>( |
| 72 | "VIN_UV fault", |
| 73 | entry("STATUS_WORD=0x%04X", |
| 74 | static_cast<uint16_t>(statusWord))); |
| 75 | } |
| 76 | |
| 77 | faultFound = true; |
| 78 | vinUVFault = true; |
| 79 | } |
| 80 | } |
| 81 | else |
| 82 | { |
| 83 | faultFound = false; |
| 84 | inputFault = false; |
| 85 | mfrFault = false; |
| 86 | vinUVFault = false; |
| 87 | } |
| 88 | } |
| 89 | catch (ReadFailure& e) |
| 90 | { |
| 91 | phosphor::logging::commit<ReadFailure>(); |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | |
Brandon Wyman | 59a3579 | 2020-06-04 12:37:40 -0500 | [diff] [blame^] | 96 | void PowerSupply::onOffConfig(uint8_t data) |
| 97 | { |
| 98 | using namespace phosphor::pmbus; |
| 99 | |
| 100 | if (present) |
| 101 | { |
| 102 | log<level::INFO>("ON_OFF_CONFIG write", entry("DATA=0x%02X", data)); |
| 103 | try |
| 104 | { |
| 105 | std::vector<uint8_t> configData{data}; |
| 106 | pmbusIntf->writeBinary(ON_OFF_CONFIG, configData, |
| 107 | Type::HwmonDeviceDebug); |
| 108 | } |
| 109 | catch (...) |
| 110 | { |
| 111 | // The underlying code in writeBinary will log a message to the |
| 112 | // journal if the write fails. If the ON_OFF_CONFIG is not setup as |
| 113 | // desired, later fault detection and analysis code should catch any |
| 114 | // of the fall out. We should not need to terminate the application |
| 115 | // if this write fails. |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
Brandon Wyman | 3c20846 | 2020-05-13 16:25:58 -0500 | [diff] [blame] | 120 | void PowerSupply::clearFaults() |
| 121 | { |
| 122 | faultFound = false; |
| 123 | inputFault = false; |
| 124 | mfrFault = false; |
| 125 | vinUVFault = false; |
| 126 | |
| 127 | // The PMBus device driver does not allow for writing CLEAR_FAULTS |
| 128 | // directly. However, the pmbus hwmon device driver code will send a |
| 129 | // CLEAR_FAULTS after reading from any of the hwmon "files" in sysfs, so |
| 130 | // reading in1_input should result in clearing the fault bits in |
| 131 | // STATUS_BYTE/STATUS_WORD. |
| 132 | // I do not care what the return value is. |
| 133 | try |
| 134 | { |
| 135 | static_cast<void>( |
| 136 | pmbusIntf->read("in1_input", phosphor::pmbus::Type::Hwmon)); |
| 137 | } |
| 138 | catch (ReadFailure& e) |
| 139 | { |
| 140 | // Since I do not care what the return value is, I really do not |
| 141 | // care much if it gets a ReadFailure either. However, this should not |
| 142 | // prevent the application from continuing to run, so catching the read |
| 143 | // failure. |
| 144 | } |
| 145 | } |
| 146 | |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 147 | void PowerSupply::inventoryChanged(sdbusplus::message::message& msg) |
| 148 | { |
| 149 | std::string msgSensor; |
Patrick Williams | abe4941 | 2020-05-13 17:59:47 -0500 | [diff] [blame] | 150 | std::map<std::string, std::variant<uint32_t, bool>> msgData; |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 151 | msg.read(msgSensor, msgData); |
| 152 | |
| 153 | // Check if it was the Present property that changed. |
| 154 | auto valPropMap = msgData.find(PRESENT_PROP); |
| 155 | if (valPropMap != msgData.end()) |
| 156 | { |
| 157 | if (std::get<bool>(valPropMap->second)) |
| 158 | { |
| 159 | present = true; |
Brandon Wyman | 59a3579 | 2020-06-04 12:37:40 -0500 | [diff] [blame^] | 160 | onOffConfig(phosphor::pmbus::ON_OFF_CONFIG_CONTROL_PIN_ONLY); |
Brandon Wyman | aed1f75 | 2019-11-25 18:10:52 -0600 | [diff] [blame] | 161 | clearFaults(); |
| 162 | } |
| 163 | else |
| 164 | { |
| 165 | present = false; |
| 166 | |
| 167 | // Clear out the now outdated inventory properties |
| 168 | updateInventory(); |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | |
Brandon Wyman | 3f1242f | 2020-01-28 13:11:25 -0600 | [diff] [blame] | 173 | } // namespace phosphor::power::psu |