1 #pragma once 2 3 #include <fstream> 4 #include <map> 5 #include <memory> 6 #include <set> 7 #include <string> 8 #include <vector> 9 10 #include "conf.hpp" 11 #include "controller.hpp" 12 #include "sensors/sensor.hpp" 13 #include "sensors/manager.hpp" 14 15 #include "xyz/openbmc_project/Control/Mode/server.hpp" 16 #include <sdbusplus/bus.hpp> 17 #include <sdbusplus/server.hpp> 18 19 20 template <typename... T> 21 using ServerObject = typename sdbusplus::server::object::object<T...>; 22 using ModeInterface = 23 sdbusplus::xyz::openbmc_project::Control::server::Mode; 24 using ModeObject = ServerObject<ModeInterface>; 25 26 /* 27 * The PIDZone inherits from the Mode object so that it can listen for control 28 * mode changes. It primarily holds all PID loops and holds the sensor value 29 * cache that's used per iteration of the PID loops. 30 */ 31 class PIDZone : public ModeObject 32 { 33 public: 34 PIDZone(int64_t zone, 35 float minThermalRpm, 36 float failSafePercent, 37 const SensorManager& mgr, 38 sdbusplus::bus::bus& bus, 39 const char* objPath, 40 bool defer) 41 : ModeObject(bus, objPath, defer), 42 _zoneId(zone), 43 _maximumRPMSetPt(), 44 _minThermalRpmSetPt(minThermalRpm), 45 _failSafePercent(failSafePercent), 46 _mgr(mgr) 47 { 48 #ifdef __TUNING_LOGGING__ 49 _log.open("/tmp/swampd.log"); 50 #endif 51 } 52 53 float getMaxRPMRequest(void) const; 54 bool getManualMode(void) const; 55 56 /* Could put lock around this since it's accessed from two threads, but 57 * only one reader/one writer. 58 */ 59 void setManualMode(bool mode); 60 bool getFailSafeMode(void) const; 61 int64_t getZoneId(void) const; 62 void addRPMSetPoint(float setpoint); 63 void clearRPMSetPoints(void); 64 float getFailSafePercent(void) const; 65 float getMinThermalRpmSetPt(void) const; 66 67 const std::unique_ptr<Sensor>& getSensor(std::string name); 68 void determineMaxRPMRequest(void); 69 void updateFanTelemetry(void); 70 void updateSensors(void); 71 void initializeCache(void); 72 void dumpCache(void); 73 void process_fans(void); 74 void process_thermals(void); 75 76 void addFanPID(std::unique_ptr<PIDController> pid); 77 void addThermalPID(std::unique_ptr<PIDController> pid); 78 double getCachedValue(const std::string& name); 79 void addFanInput(std::string fan); 80 void addThermalInput(std::string therm); 81 82 #ifdef __TUNING_LOGGING__ 83 void initializeLog(void); 84 std::ofstream& getLogHandle(void); 85 #endif 86 87 /* Method for setting the manual mode over dbus */ 88 bool manual(bool value) override; 89 /* Method for reading whether in fail-safe mode over dbus */ 90 bool failSafe() const override; 91 92 private: 93 #ifdef __TUNING_LOGGING__ 94 std::ofstream _log; 95 #endif 96 97 const int64_t _zoneId; 98 float _maximumRPMSetPt = 0; 99 bool _manualMode = false; 100 const float _minThermalRpmSetPt; 101 const float _failSafePercent; 102 103 std::set<std::string> _failSafeSensors; 104 105 std::vector<float> _RPMSetPoints; 106 std::vector<std::string> _fanInputs; 107 std::vector<std::string> _thermalInputs; 108 std::map<std::string, double> _cachedValuesByName; 109 const SensorManager& _mgr; 110 111 std::vector<std::unique_ptr<PIDController>> _fans; 112 std::vector<std::unique_ptr<PIDController>> _thermals; 113 }; 114