1 #pragma once 2 3 #include "conf.hpp" 4 #include "controller.hpp" 5 #include "pidcontroller.hpp" 6 #include "sensors/manager.hpp" 7 #include "sensors/sensor.hpp" 8 #include "xyz/openbmc_project/Control/Mode/server.hpp" 9 10 #include <fstream> 11 #include <map> 12 #include <memory> 13 #include <sdbusplus/bus.hpp> 14 #include <sdbusplus/server.hpp> 15 #include <set> 16 #include <string> 17 #include <vector> 18 19 template <typename... T> 20 using ServerObject = typename sdbusplus::server::object::object<T...>; 21 using ModeInterface = sdbusplus::xyz::openbmc_project::Control::server::Mode; 22 using ModeObject = ServerObject<ModeInterface>; 23 24 class ZoneInterface 25 { 26 public: 27 virtual ~ZoneInterface() = default; 28 29 virtual double getCachedValue(const std::string& name) = 0; 30 virtual void addRPMSetPoint(float setpoint) = 0; 31 virtual float getMaxRPMRequest() const = 0; 32 virtual bool getFailSafeMode() const = 0; 33 virtual float getFailSafePercent() const = 0; 34 virtual Sensor* getSensor(std::string name) = 0; 35 }; 36 37 /* 38 * The PIDZone inherits from the Mode object so that it can listen for control 39 * mode changes. It primarily holds all PID loops and holds the sensor value 40 * cache that's used per iteration of the PID loops. 41 */ 42 class PIDZone : public ZoneInterface, public ModeObject 43 { 44 public: 45 PIDZone(int64_t zone, float minThermalRpm, float failSafePercent, 46 const SensorManager& mgr, sdbusplus::bus::bus& bus, 47 const char* objPath, bool defer) : 48 ModeObject(bus, objPath, defer), 49 _zoneId(zone), _maximumRPMSetPt(), _minThermalRpmSetPt(minThermalRpm), 50 _failSafePercent(failSafePercent), _mgr(mgr) 51 { 52 #ifdef __TUNING_LOGGING__ 53 _log.open("/tmp/swampd.log"); 54 #endif 55 } 56 57 float getMaxRPMRequest(void) const override; 58 bool getManualMode(void) const; 59 60 /* Could put lock around this since it's accessed from two threads, but 61 * only one reader/one writer. 62 */ 63 void setManualMode(bool mode); 64 bool getFailSafeMode(void) const override; 65 int64_t getZoneId(void) const; 66 void addRPMSetPoint(float setpoint) override; 67 void clearRPMSetPoints(void); 68 float getFailSafePercent(void) const override; 69 float getMinThermalRpmSetPt(void) const; 70 71 Sensor* getSensor(std::string name) override; 72 void determineMaxRPMRequest(void); 73 void updateFanTelemetry(void); 74 void updateSensors(void); 75 void initializeCache(void); 76 void dumpCache(void); 77 void processFans(void); 78 void processThermals(void); 79 80 void addFanPID(std::unique_ptr<Controller> pid); 81 void addThermalPID(std::unique_ptr<Controller> pid); 82 double getCachedValue(const std::string& name) override; 83 void addFanInput(std::string fan); 84 void addThermalInput(std::string therm); 85 86 #ifdef __TUNING_LOGGING__ 87 void initializeLog(void); 88 std::ofstream& getLogHandle(void); 89 #endif 90 91 /* Method for setting the manual mode over dbus */ 92 bool manual(bool value) override; 93 /* Method for reading whether in fail-safe mode over dbus */ 94 bool failSafe() const override; 95 96 private: 97 #ifdef __TUNING_LOGGING__ 98 std::ofstream _log; 99 #endif 100 101 const int64_t _zoneId; 102 float _maximumRPMSetPt = 0; 103 bool _manualMode = false; 104 const float _minThermalRpmSetPt; 105 const float _failSafePercent; 106 107 std::set<std::string> _failSafeSensors; 108 109 std::vector<float> _RPMSetPoints; 110 std::vector<std::string> _fanInputs; 111 std::vector<std::string> _thermalInputs; 112 std::map<std::string, double> _cachedValuesByName; 113 const SensorManager& _mgr; 114 115 std::vector<std::unique_ptr<Controller>> _fans; 116 std::vector<std::unique_ptr<Controller>> _thermals; 117 }; 118