1a90a31a9SAndrew Geissler #pragma once 2a90a31a9SAndrew Geissler 3d998f82bSWilliam A. Kennington III #include <chrono> 48f8ba39fSPatrick Williams #include <functional> 5cb781fe1SNagaraju Goruganti #include <experimental/filesystem> 6cb781fe1SNagaraju Goruganti #include <cereal/cereal.hpp> 7a90a31a9SAndrew Geissler #include <sdbusplus/bus.hpp> 8d998f82bSWilliam A. Kennington III #include <sdeventplus/clock.hpp> 9d998f82bSWilliam A. Kennington III #include <sdeventplus/event.hpp> 10d998f82bSWilliam A. Kennington III #include <sdeventplus/utility/timer.hpp> 11a90a31a9SAndrew Geissler #include "xyz/openbmc_project/State/Chassis/server.hpp" 12cb781fe1SNagaraju Goruganti #include "xyz/openbmc_project/State/PowerOnHours/server.hpp" 13cb781fe1SNagaraju Goruganti #include "config.h" 14a90a31a9SAndrew Geissler 15a90a31a9SAndrew Geissler namespace phosphor 16a90a31a9SAndrew Geissler { 17a90a31a9SAndrew Geissler namespace state 18a90a31a9SAndrew Geissler { 19a90a31a9SAndrew Geissler namespace manager 20a90a31a9SAndrew Geissler { 21a90a31a9SAndrew Geissler 228f8ba39fSPatrick Williams using ChassisInherit = sdbusplus::server::object::object< 23cb781fe1SNagaraju Goruganti sdbusplus::xyz::openbmc_project::State::server::Chassis, 24cb781fe1SNagaraju Goruganti sdbusplus::xyz::openbmc_project::State::server::PowerOnHours>; 258f8ba39fSPatrick Williams namespace sdbusRule = sdbusplus::bus::match::rules; 26cb781fe1SNagaraju Goruganti namespace fs = std::experimental::filesystem; 278f8ba39fSPatrick Williams 28a90a31a9SAndrew Geissler /** @class Chassis 29a90a31a9SAndrew Geissler * @brief OpenBMC chassis state management implementation. 30a90a31a9SAndrew Geissler * @details A concrete implementation for xyz.openbmc_project.State.Chassis 31a90a31a9SAndrew Geissler * DBus API. 32a90a31a9SAndrew Geissler */ 338f8ba39fSPatrick Williams class Chassis : public ChassisInherit 34a90a31a9SAndrew Geissler { 35a90a31a9SAndrew Geissler public: 36a90a31a9SAndrew Geissler /** @brief Constructs Chassis State Manager 37a90a31a9SAndrew Geissler * 38dff50ed6SAndrew Geissler * @note This constructor passes 'true' to the base class in order to 39dff50ed6SAndrew Geissler * defer dbus object registration until we can run 40dff50ed6SAndrew Geissler * determineInitialState() and set our properties 41dff50ed6SAndrew Geissler * 42a90a31a9SAndrew Geissler * @param[in] bus - The Dbus bus object 43a90a31a9SAndrew Geissler * @param[in] objPath - The Dbus object path 44a90a31a9SAndrew Geissler */ 45*769a62f1SAndrew Geissler Chassis(sdbusplus::bus::bus& bus, const char* objPath) : 46*769a62f1SAndrew Geissler ChassisInherit(bus, objPath, true), bus(bus), 4758a18013SAndrew Geissler systemdSignals( 4858a18013SAndrew Geissler bus, 4958a18013SAndrew Geissler sdbusRule::type::signal() + sdbusRule::member("JobRemoved") + 508f8ba39fSPatrick Williams sdbusRule::path("/org/freedesktop/systemd1") + 5158a18013SAndrew Geissler sdbusRule::interface("org.freedesktop.systemd1.Manager"), 5258a18013SAndrew Geissler std::bind(std::mem_fn(&Chassis::sysStateChange), this, 53d998f82bSWilliam A. Kennington III std::placeholders::_1)), 54d998f82bSWilliam A. Kennington III pOHTimer(sdeventplus::Event::get_default(), 55d998f82bSWilliam A. Kennington III std::bind(&Chassis::pOHCallback, this), std::chrono::hours{1}, 56d998f82bSWilliam A. Kennington III std::chrono::minutes{1}) 57dff50ed6SAndrew Geissler { 580029a5d2SAndrew Geissler subscribeToSystemdSignals(); 590029a5d2SAndrew Geissler 609eab9861SMatt Spinler restoreChassisStateChangeTime(); 619eab9861SMatt Spinler 62dff50ed6SAndrew Geissler determineInitialState(); 63dff50ed6SAndrew Geissler 64cb781fe1SNagaraju Goruganti restorePOHCounter(); // restore POHCounter from persisted file 65cb781fe1SNagaraju Goruganti 66dff50ed6SAndrew Geissler // We deferred this until we could get our property correct 67dff50ed6SAndrew Geissler this->emit_object_added(); 68dff50ed6SAndrew Geissler } 69dff50ed6SAndrew Geissler 70a90a31a9SAndrew Geissler /** @brief Set value of RequestedPowerTransition */ 71a90a31a9SAndrew Geissler Transition requestedPowerTransition(Transition value) override; 72a90a31a9SAndrew Geissler 73a90a31a9SAndrew Geissler /** @brief Set value of CurrentPowerState */ 74a90a31a9SAndrew Geissler PowerState currentPowerState(PowerState value) override; 75a90a31a9SAndrew Geissler 76cb781fe1SNagaraju Goruganti /** @brief Get value of POHCounter */ 77cb781fe1SNagaraju Goruganti using ChassisInherit::pOHCounter; 78cb781fe1SNagaraju Goruganti 79cb781fe1SNagaraju Goruganti /** @brief Increment POHCounter if Chassis Power state is ON */ 80cb781fe1SNagaraju Goruganti void startPOHCounter(); 81cb781fe1SNagaraju Goruganti 82a90a31a9SAndrew Geissler private: 830029a5d2SAndrew Geissler /** @brief Determine initial chassis state and set internally */ 840029a5d2SAndrew Geissler void determineInitialState(); 850029a5d2SAndrew Geissler 860029a5d2SAndrew Geissler /** 870029a5d2SAndrew Geissler * @brief subscribe to the systemd signals 880029a5d2SAndrew Geissler * 890029a5d2SAndrew Geissler * This object needs to capture when it's systemd targets complete 900029a5d2SAndrew Geissler * so it can keep it's state updated 910029a5d2SAndrew Geissler * 920029a5d2SAndrew Geissler **/ 930029a5d2SAndrew Geissler void subscribeToSystemdSignals(); 940029a5d2SAndrew Geissler 95ce80f24cSAndrew Geissler /** @brief Execute the transition request 96ce80f24cSAndrew Geissler * 97ce80f24cSAndrew Geissler * This function calls the appropriate systemd target for the input 98ce80f24cSAndrew Geissler * transition. 99ce80f24cSAndrew Geissler * 100ce80f24cSAndrew Geissler * @param[in] tranReq - Transition requested 101ce80f24cSAndrew Geissler */ 102ce80f24cSAndrew Geissler void executeTransition(Transition tranReq); 103ce80f24cSAndrew Geissler 104697474c5SJosh D. King /** 105697474c5SJosh D. King * @brief Determine if target is active 106697474c5SJosh D. King * 107697474c5SJosh D. King * This function determines if the target is active and 108697474c5SJosh D. King * helps prevent misleading log recorded states. 109697474c5SJosh D. King * 110697474c5SJosh D. King * @param[in] target - Target string to check on 111697474c5SJosh D. King * 112697474c5SJosh D. King * @return boolean corresponding to state active 113697474c5SJosh D. King **/ 114697474c5SJosh D. King bool stateActive(const std::string& target); 115697474c5SJosh D. King 1160029a5d2SAndrew Geissler /** @brief Check if systemd state change is relevant to this object 1172ec3a7e9SAndrew Geissler * 1180029a5d2SAndrew Geissler * Instance specific interface to handle the detected systemd state 1190029a5d2SAndrew Geissler * change 1202ec3a7e9SAndrew Geissler * 1212ec3a7e9SAndrew Geissler * @param[in] msg - Data associated with subscribed signal 1222ec3a7e9SAndrew Geissler * 1232ec3a7e9SAndrew Geissler */ 1248f8ba39fSPatrick Williams int sysStateChange(sdbusplus::message::message& msg); 1252ec3a7e9SAndrew Geissler 126a90a31a9SAndrew Geissler /** @brief Persistent sdbusplus DBus connection. */ 127a90a31a9SAndrew Geissler sdbusplus::bus::bus& bus; 1282ec3a7e9SAndrew Geissler 1290029a5d2SAndrew Geissler /** @brief Used to subscribe to dbus systemd signals **/ 1308f8ba39fSPatrick Williams sdbusplus::bus::match_t systemdSignals; 131cb781fe1SNagaraju Goruganti 132cb781fe1SNagaraju Goruganti /** @brief Used to Set value of POHCounter */ 133cb781fe1SNagaraju Goruganti uint32_t pOHCounter(uint32_t value) override; 134cb781fe1SNagaraju Goruganti 135d998f82bSWilliam A. Kennington III /** @brief Used by the timer to update the POHCounter */ 136d998f82bSWilliam A. Kennington III void pOHCallback(); 137d998f82bSWilliam A. Kennington III 138cb781fe1SNagaraju Goruganti /** @brief Used to restore POHCounter value from persisted file */ 139cb781fe1SNagaraju Goruganti void restorePOHCounter(); 140cb781fe1SNagaraju Goruganti 141cb781fe1SNagaraju Goruganti /** @brief Serialize and persist requested POH counter. 142cb781fe1SNagaraju Goruganti * 143cb781fe1SNagaraju Goruganti * @param[in] dir - pathname of file where the serialized POH counter will 144cb781fe1SNagaraju Goruganti * be placed. 145cb781fe1SNagaraju Goruganti * 146cb781fe1SNagaraju Goruganti * @return fs::path - pathname of persisted requested POH counter. 147cb781fe1SNagaraju Goruganti */ 148cb781fe1SNagaraju Goruganti fs::path 14981957841SMatt Spinler serializePOH(const fs::path& dir = fs::path(POH_COUNTER_PERSIST_PATH)); 150cb781fe1SNagaraju Goruganti 15181957841SMatt Spinler /** @brief Deserialize a persisted requested POH counter. 152cb781fe1SNagaraju Goruganti * 153cb781fe1SNagaraju Goruganti * @param[in] path - pathname of persisted POH counter file 154cb781fe1SNagaraju Goruganti * @param[in] retCounter - deserialized POH counter value 155cb781fe1SNagaraju Goruganti * 156cb781fe1SNagaraju Goruganti * @return bool - true if the deserialization was successful, false 157cb781fe1SNagaraju Goruganti * otherwise. 158cb781fe1SNagaraju Goruganti */ 15981957841SMatt Spinler bool deserializePOH(const fs::path& path, uint32_t& retCounter); 160cb781fe1SNagaraju Goruganti 1619eab9861SMatt Spinler /** @brief Sets the LastStateChangeTime property and persists it. */ 1629eab9861SMatt Spinler void setStateChangeTime(); 1639eab9861SMatt Spinler 1649eab9861SMatt Spinler /** @brief Serialize the last power state change time. 1659eab9861SMatt Spinler * 1669eab9861SMatt Spinler * Save the time the state changed and the state itself. 1679eab9861SMatt Spinler * The state needs to be saved as well so that during rediscovery 1689eab9861SMatt Spinler * on reboots there's a way to know not to update the time again. 1699eab9861SMatt Spinler */ 1709eab9861SMatt Spinler void serializeStateChangeTime(); 1719eab9861SMatt Spinler 1729eab9861SMatt Spinler /** @brief Deserialize the last power state change time. 1739eab9861SMatt Spinler * 1749eab9861SMatt Spinler * @param[out] time - Deserialized time 1759eab9861SMatt Spinler * @param[out] state - Deserialized power state 1769eab9861SMatt Spinler * 1779eab9861SMatt Spinler * @return bool - true if successful, false otherwise. 1789eab9861SMatt Spinler */ 1799eab9861SMatt Spinler bool deserializeStateChangeTime(uint64_t& time, PowerState& state); 1809eab9861SMatt Spinler 1819eab9861SMatt Spinler /** @brief Restores the power state change time. 1829eab9861SMatt Spinler * 1839eab9861SMatt Spinler * The time is loaded into the LastStateChangeTime D-Bus property. 1849eab9861SMatt Spinler * On the very first start after this code has been applied but 1859eab9861SMatt Spinler * before the state has changed, the LastStateChangeTime value 1869eab9861SMatt Spinler * will be zero. 1879eab9861SMatt Spinler */ 1889eab9861SMatt Spinler void restoreChassisStateChangeTime(); 1899eab9861SMatt Spinler 190d998f82bSWilliam A. Kennington III /** @brief Timer used for tracking power on hours */ 191d998f82bSWilliam A. Kennington III sdeventplus::utility::Timer<sdeventplus::ClockId::Monotonic> pOHTimer; 192a90a31a9SAndrew Geissler }; 193a90a31a9SAndrew Geissler 194a90a31a9SAndrew Geissler } // namespace manager 195a90a31a9SAndrew Geissler } // namespace state 196a90a31a9SAndrew Geissler } // namespace phosphor 197