Shawn McCarney | bc47c1b | 2020-03-10 15:38:07 -0500 | [diff] [blame] | 1 | /** |
| 2 | * Copyright © 2020 IBM Corporation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #pragma once |
| 17 | |
| 18 | #include "action.hpp" |
| 19 | |
| 20 | #include <memory> |
| 21 | #include <utility> |
| 22 | #include <vector> |
| 23 | |
| 24 | namespace phosphor::power::regulators |
| 25 | { |
| 26 | |
Bob King | 833b8e0 | 2020-06-11 14:56:38 +0800 | [diff] [blame] | 27 | // Forward declarations to avoid circular dependencies |
| 28 | class Chassis; |
| 29 | class Device; |
| 30 | class Rail; |
| 31 | class System; |
| 32 | |
Shawn McCarney | bc47c1b | 2020-03-10 15:38:07 -0500 | [diff] [blame] | 33 | /** |
| 34 | * @class SensorMonitoring |
| 35 | * |
| 36 | * Defines how to read the sensors for a voltage rail, such as voltage output, |
| 37 | * current output, and temperature. |
| 38 | * |
| 39 | * Sensor values are measured, actual values rather than target values. |
| 40 | * |
| 41 | * Sensors are read once per second. The sensor values are stored on D-Bus, |
| 42 | * making them available to external interfaces like Redfish. |
| 43 | * |
| 44 | * Sensors are read by executing actions, such as PMBusReadSensorAction. To |
| 45 | * read multiple sensors for a rail, multiple actions need to be executed. |
| 46 | */ |
| 47 | class SensorMonitoring |
| 48 | { |
| 49 | public: |
| 50 | // Specify which compiler-generated methods we want |
| 51 | SensorMonitoring() = delete; |
| 52 | SensorMonitoring(const SensorMonitoring&) = delete; |
| 53 | SensorMonitoring(SensorMonitoring&&) = delete; |
| 54 | SensorMonitoring& operator=(const SensorMonitoring&) = delete; |
| 55 | SensorMonitoring& operator=(SensorMonitoring&&) = delete; |
| 56 | ~SensorMonitoring() = default; |
| 57 | |
| 58 | /** |
| 59 | * Constructor. |
| 60 | * |
| 61 | * @param actions actions that read the sensors for a rail |
| 62 | */ |
| 63 | explicit SensorMonitoring(std::vector<std::unique_ptr<Action>> actions) : |
| 64 | actions{std::move(actions)} |
| 65 | { |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Executes the actions to read the sensors for a rail. |
Bob King | 833b8e0 | 2020-06-11 14:56:38 +0800 | [diff] [blame] | 70 | * |
| 71 | * @param system system that contains the chassis |
| 72 | * @param chassis chassis that contains the device |
| 73 | * @param device device that contains the rail |
| 74 | * @param rail rail associated with the sensors |
Shawn McCarney | bc47c1b | 2020-03-10 15:38:07 -0500 | [diff] [blame] | 75 | */ |
Bob King | 833b8e0 | 2020-06-11 14:56:38 +0800 | [diff] [blame] | 76 | void execute(System& system, Chassis& chassis, Device& device, Rail& rail); |
Shawn McCarney | bc47c1b | 2020-03-10 15:38:07 -0500 | [diff] [blame] | 77 | |
| 78 | /** |
| 79 | * Returns the actions that read the sensors for a rail. |
| 80 | * |
| 81 | * @return actions |
| 82 | */ |
| 83 | const std::vector<std::unique_ptr<Action>>& getActions() const |
| 84 | { |
| 85 | return actions; |
| 86 | } |
| 87 | |
| 88 | private: |
| 89 | /** |
| 90 | * Actions that read the sensors for a rail. |
| 91 | */ |
| 92 | std::vector<std::unique_ptr<Action>> actions{}; |
| 93 | }; |
| 94 | |
| 95 | } // namespace phosphor::power::regulators |