1a90a31a9SAndrew Geissler #pragma once 2a90a31a9SAndrew Geissler 3a90a31a9SAndrew Geissler #include <sdbusplus/bus.hpp> 4a90a31a9SAndrew Geissler #include "xyz/openbmc_project/State/Chassis/server.hpp" 5a90a31a9SAndrew Geissler 6a90a31a9SAndrew Geissler namespace phosphor 7a90a31a9SAndrew Geissler { 8a90a31a9SAndrew Geissler namespace state 9a90a31a9SAndrew Geissler { 10a90a31a9SAndrew Geissler namespace manager 11a90a31a9SAndrew Geissler { 12a90a31a9SAndrew Geissler 13a90a31a9SAndrew Geissler /** @class Chassis 14a90a31a9SAndrew Geissler * @brief OpenBMC chassis state management implementation. 15a90a31a9SAndrew Geissler * @details A concrete implementation for xyz.openbmc_project.State.Chassis 16a90a31a9SAndrew Geissler * DBus API. 17a90a31a9SAndrew Geissler */ 18a90a31a9SAndrew Geissler class Chassis : public sdbusplus::server::object::object< 19a90a31a9SAndrew Geissler sdbusplus::xyz::openbmc_project::State::server::Chassis> 20a90a31a9SAndrew Geissler { 21a90a31a9SAndrew Geissler public: 22a90a31a9SAndrew Geissler /** @brief Constructs Chassis State Manager 23a90a31a9SAndrew Geissler * 24dff50ed6SAndrew Geissler * @note This constructor passes 'true' to the base class in order to 25dff50ed6SAndrew Geissler * defer dbus object registration until we can run 26dff50ed6SAndrew Geissler * determineInitialState() and set our properties 27dff50ed6SAndrew Geissler * 28a90a31a9SAndrew Geissler * @param[in] bus - The Dbus bus object 29dff50ed6SAndrew Geissler * @param[in] instance - The instance of this object 30a90a31a9SAndrew Geissler * @param[in] objPath - The Dbus object path 31a90a31a9SAndrew Geissler */ 32a90a31a9SAndrew Geissler Chassis(sdbusplus::bus::bus& bus, 33a90a31a9SAndrew Geissler const char* busName, 34a90a31a9SAndrew Geissler const char* objPath) : 35a90a31a9SAndrew Geissler sdbusplus::server::object::object< 36a90a31a9SAndrew Geissler sdbusplus::xyz::openbmc_project::State::server::Chassis>( 37dff50ed6SAndrew Geissler bus, objPath, true), 382ec3a7e9SAndrew Geissler bus(bus), 39*0029a5d2SAndrew Geissler systemdSignals(bus, 40*0029a5d2SAndrew Geissler "type='signal'," 41*0029a5d2SAndrew Geissler "member='JobRemoved'," 42*0029a5d2SAndrew Geissler "path='/org/freedesktop/systemd1'," 43*0029a5d2SAndrew Geissler "interface='org.freedesktop.systemd1.Manager'", 44*0029a5d2SAndrew Geissler sysStateChangeSignal, 452ec3a7e9SAndrew Geissler this) 46dff50ed6SAndrew Geissler { 47*0029a5d2SAndrew Geissler subscribeToSystemdSignals(); 48*0029a5d2SAndrew Geissler 49dff50ed6SAndrew Geissler determineInitialState(); 50dff50ed6SAndrew Geissler 51dff50ed6SAndrew Geissler // We deferred this until we could get our property correct 52dff50ed6SAndrew Geissler this->emit_object_added(); 53dff50ed6SAndrew Geissler } 54dff50ed6SAndrew Geissler 55a90a31a9SAndrew Geissler /** @brief Set value of RequestedPowerTransition */ 56a90a31a9SAndrew Geissler Transition requestedPowerTransition(Transition value) override; 57a90a31a9SAndrew Geissler 58a90a31a9SAndrew Geissler /** @brief Set value of CurrentPowerState */ 59a90a31a9SAndrew Geissler PowerState currentPowerState(PowerState value) override; 60a90a31a9SAndrew Geissler 61a90a31a9SAndrew Geissler private: 62*0029a5d2SAndrew Geissler /** @brief Determine initial chassis state and set internally */ 63*0029a5d2SAndrew Geissler void determineInitialState(); 64*0029a5d2SAndrew Geissler 65*0029a5d2SAndrew Geissler /** 66*0029a5d2SAndrew Geissler * @brief subscribe to the systemd signals 67*0029a5d2SAndrew Geissler * 68*0029a5d2SAndrew Geissler * This object needs to capture when it's systemd targets complete 69*0029a5d2SAndrew Geissler * so it can keep it's state updated 70*0029a5d2SAndrew Geissler * 71*0029a5d2SAndrew Geissler **/ 72*0029a5d2SAndrew Geissler void subscribeToSystemdSignals(); 73*0029a5d2SAndrew Geissler 74ce80f24cSAndrew Geissler /** @brief Execute the transition request 75ce80f24cSAndrew Geissler * 76ce80f24cSAndrew Geissler * This function calls the appropriate systemd target for the input 77ce80f24cSAndrew Geissler * transition. 78ce80f24cSAndrew Geissler * 79ce80f24cSAndrew Geissler * @param[in] tranReq - Transition requested 80ce80f24cSAndrew Geissler */ 81ce80f24cSAndrew Geissler void executeTransition(Transition tranReq); 82ce80f24cSAndrew Geissler 83*0029a5d2SAndrew Geissler /** @brief Callback function on systemd state changes 842ec3a7e9SAndrew Geissler * 85*0029a5d2SAndrew Geissler * Will just do a call into the appropriate object for processing 862ec3a7e9SAndrew Geissler * 872ec3a7e9SAndrew Geissler * @param[in] msg - Data associated with subscribed signal 882ec3a7e9SAndrew Geissler * @param[in] userData - Pointer to this object instance 89*0029a5d2SAndrew Geissler * @param[out] retError - Not used but required with signal API 902ec3a7e9SAndrew Geissler * 912ec3a7e9SAndrew Geissler */ 92*0029a5d2SAndrew Geissler static int sysStateChangeSignal(sd_bus_message* msg, 932ec3a7e9SAndrew Geissler void* userData, 942ec3a7e9SAndrew Geissler sd_bus_error* retError); 952ec3a7e9SAndrew Geissler 96*0029a5d2SAndrew Geissler /** @brief Check if systemd state change is relevant to this object 972ec3a7e9SAndrew Geissler * 98*0029a5d2SAndrew Geissler * Instance specific interface to handle the detected systemd state 99*0029a5d2SAndrew Geissler * change 1002ec3a7e9SAndrew Geissler * 1012ec3a7e9SAndrew Geissler * @param[in] msg - Data associated with subscribed signal 102*0029a5d2SAndrew Geissler * @param[out] retError - Not used but required with signal API 1032ec3a7e9SAndrew Geissler * 1042ec3a7e9SAndrew Geissler */ 105*0029a5d2SAndrew Geissler int sysStateChange(sd_bus_message* msg, 1062ec3a7e9SAndrew Geissler sd_bus_error* retError); 1072ec3a7e9SAndrew Geissler 108a90a31a9SAndrew Geissler /** @brief Persistent sdbusplus DBus connection. */ 109a90a31a9SAndrew Geissler sdbusplus::bus::bus& bus; 1102ec3a7e9SAndrew Geissler 111*0029a5d2SAndrew Geissler /** @brief Used to subscribe to dbus systemd signals **/ 112*0029a5d2SAndrew Geissler sdbusplus::server::match::match systemdSignals; 113a90a31a9SAndrew Geissler }; 114a90a31a9SAndrew Geissler 115a90a31a9SAndrew Geissler } // namespace manager 116a90a31a9SAndrew Geissler } // namespace state 117a90a31a9SAndrew Geissler } // namespace phosphor 118