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Patrick Venturee6206562018-03-08 15:36:53 -08001/**
2 * Copyright 2017 Google Inc.
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
James Feist7136a5a2018-07-19 09:52:05 -070017#include "config.h"
Patrick Venturee6206562018-03-08 15:36:53 -080018
Patrick Ventureba8ffa72019-02-11 12:03:56 -080019#include "build/buildjson.hpp"
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070020#include "conf.hpp"
Patrick Venturee6206562018-03-08 15:36:53 -080021#include "interfaces.hpp"
Patrick Venture5c7cc542018-06-11 14:29:38 -070022#include "pid/builder.hpp"
Patrick Ventureba8ffa72019-02-11 12:03:56 -080023#include "pid/buildjson.hpp"
James Feistce6a3f32019-03-12 11:20:16 -070024#include "pid/pidloop.hpp"
Patrick Venturec32e3fc2019-02-28 10:01:11 -080025#include "pid/tuning.hpp"
Patrick Venturee6206562018-03-08 15:36:53 -080026#include "pid/zone.hpp"
Patrick Venture5e929092018-06-08 10:55:23 -070027#include "sensors/builder.hpp"
Patrick Ventureba8ffa72019-02-11 12:03:56 -080028#include "sensors/buildjson.hpp"
Patrick Venturee6206562018-03-08 15:36:53 -080029#include "sensors/manager.hpp"
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070030#include "util.hpp"
Patrick Venturee6206562018-03-08 15:36:53 -080031
Patrick Ventureb5cc37c2019-03-11 09:11:55 -070032#include <CLI/CLI.hpp>
James Feistce6a3f32019-03-12 11:20:16 -070033#include <boost/asio/io_context.hpp>
34#include <boost/asio/steady_timer.hpp>
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070035#include <chrono>
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070036#include <iostream>
James Feistce6a3f32019-03-12 11:20:16 -070037#include <list>
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070038#include <map>
39#include <memory>
James Feistce6a3f32019-03-12 11:20:16 -070040#include <sdbusplus/asio/connection.hpp>
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070041#include <sdbusplus/bus.hpp>
42#include <thread>
43#include <unordered_map>
Patrick Ventureba8ffa72019-02-11 12:03:56 -080044#include <utility>
Patrick Ventureda4a5dd2018-08-31 09:42:48 -070045#include <vector>
Patrick Venturee6206562018-03-08 15:36:53 -080046
Patrick Venture9f044412018-09-20 19:49:55 -070047#if CONFIGURE_DBUS
48#include "dbus/dbusconfiguration.hpp"
49#endif
50
James Feist1fe08952019-05-07 09:17:16 -070051/* The configuration converted sensor list. */
James Feistf81f2882019-02-26 11:26:36 -080052std::map<std::string, struct conf::SensorConfig> sensorConfig = {};
James Feist1fe08952019-05-07 09:17:16 -070053/* The configuration converted PID list. */
James Feistf81f2882019-02-26 11:26:36 -080054std::map<int64_t, conf::PIDConf> zoneConfig = {};
James Feist1fe08952019-05-07 09:17:16 -070055/* The configuration converted Zone configuration. */
James Feistf81f2882019-02-26 11:26:36 -080056std::map<int64_t, struct conf::ZoneConfig> zoneDetailsConfig = {};
Patrick Venturee6206562018-03-08 15:36:53 -080057
Patrick Venturec19f5d42019-02-14 10:59:47 -080058/** the swampd daemon will check for the existence of this file. */
59constexpr auto jsonConfigurationPath = "/usr/share/swampd/config.json";
James Feist1fe08952019-05-07 09:17:16 -070060std::string configPath = "";
Patrick Venturec19f5d42019-02-14 10:59:47 -080061
James Feist1fe08952019-05-07 09:17:16 -070062/* async io context for operation */
63boost::asio::io_context io;
64
65/* buses for system control */
66static sdbusplus::asio::connection modeControlBus(io);
67static sdbusplus::asio::connection
68 hostBus(io, sdbusplus::bus::new_system().release());
69static sdbusplus::asio::connection
70 passiveBus(io, sdbusplus::bus::new_system().release());
71
72void restartControlLoops()
Patrick Venturee6206562018-03-08 15:36:53 -080073{
James Feist1fe08952019-05-07 09:17:16 -070074 static SensorManager mgmr;
75 static std::unordered_map<int64_t, std::unique_ptr<PIDZone>> zones;
76 static std::list<boost::asio::steady_timer> timers;
Patrick Venturee6206562018-03-08 15:36:53 -080077
James Feist1fe08952019-05-07 09:17:16 -070078 timers.clear();
Patrick Venture4cb7c052019-02-14 11:11:33 -080079
Patrick Venture9f044412018-09-20 19:49:55 -070080#if CONFIGURE_DBUS
James Feist1fe08952019-05-07 09:17:16 -070081
82 static boost::asio::steady_timer reloadTimer(io);
83 if (!dbus_configuration::init(modeControlBus, reloadTimer))
James Feist7136a5a2018-07-19 09:52:05 -070084 {
James Feist1fe08952019-05-07 09:17:16 -070085 return; // configuration not ready
James Feist7136a5a2018-07-19 09:52:05 -070086 }
James Feist1fe08952019-05-07 09:17:16 -070087
Patrick Venture18b13112019-02-14 11:43:59 -080088#else
89 const std::string& path =
90 (configPath.length() > 0) ? configPath : jsonConfigurationPath;
Patrick Venturee6206562018-03-08 15:36:53 -080091
92 /*
93 * When building the sensors, if any of the dbus passive ones aren't on the
94 * bus, it'll fail immediately.
95 */
Patrick Venture18b13112019-02-14 11:43:59 -080096 try
Patrick Venturee6206562018-03-08 15:36:53 -080097 {
Patrick Venture18b13112019-02-14 11:43:59 -080098 auto jsonData = parseValidateJson(path);
99 sensorConfig = buildSensorsFromJson(jsonData);
100 std::tie(zoneConfig, zoneDetailsConfig) = buildPIDsFromJson(jsonData);
Patrick Venturee6206562018-03-08 15:36:53 -0800101 }
Patrick Venture18b13112019-02-14 11:43:59 -0800102 catch (const std::exception& e)
103 {
104 std::cerr << "Failed during building: " << e.what() << "\n";
105 exit(EXIT_FAILURE); /* fatal error. */
106 }
107#endif
Patrick Venture4cb7c052019-02-14 11:11:33 -0800108
James Feist1fe08952019-05-07 09:17:16 -0700109 mgmr = buildSensors(sensorConfig, passiveBus, hostBus);
110 zones = buildZones(zoneConfig, zoneDetailsConfig, mgmr, modeControlBus);
Patrick Venturee6206562018-03-08 15:36:53 -0800111
112 if (0 == zones.size())
113 {
114 std::cerr << "No zones defined, exiting.\n";
James Feist1fe08952019-05-07 09:17:16 -0700115 std::exit(EXIT_FAILURE);
Patrick Venturee6206562018-03-08 15:36:53 -0800116 }
117
James Feist1fe08952019-05-07 09:17:16 -0700118 for (const auto& i : zones)
119 {
120 auto& timer = timers.emplace_back(io);
121 std::cerr << "pushing zone " << i.first << "\n";
122 pidControlLoop(i.second.get(), timer);
123 }
124}
125
126int main(int argc, char* argv[])
127{
128 loggingPath = "";
129 loggingEnabled = false;
130 tuningEnabled = false;
131
132 CLI::App app{"OpenBMC Fan Control Daemon"};
133
134 app.add_option("-c,--conf", configPath,
135 "Optional parameter to specify configuration at run-time")
136 ->check(CLI::ExistingFile);
137 app.add_option("-l,--log", loggingPath,
138 "Optional parameter to specify logging folder")
139 ->check(CLI::ExistingDirectory);
140 app.add_flag("-t,--tuning", tuningEnabled, "Enable or disable tuning");
141
James Feist1fe08952019-05-07 09:17:16 -0700142 CLI11_PARSE(app, argc, argv);
143
Kun Yid4695592019-05-17 10:42:18 -0700144 loggingEnabled = (!loggingPath.empty());
145
James Feist1fe08952019-05-07 09:17:16 -0700146 static constexpr auto modeRoot = "/xyz/openbmc_project/settings/fanctrl";
147 // Create a manager for the ModeBus because we own it.
148 sdbusplus::server::manager::manager(
149 static_cast<sdbusplus::bus::bus&>(modeControlBus), modeRoot);
150 hostBus.request_name("xyz.openbmc_project.Hwmon.external");
151 modeControlBus.request_name("xyz.openbmc_project.State.FanCtrl");
152
Patrick Venturee6206562018-03-08 15:36:53 -0800153 /*
154 * All sensors are managed by one manager, but each zone has a pointer to
155 * it.
156 */
157
James Feist1fe08952019-05-07 09:17:16 -0700158 restartControlLoops();
Patrick Venturee6206562018-03-08 15:36:53 -0800159
James Feistce6a3f32019-03-12 11:20:16 -0700160 io.run();
James Feist1fe08952019-05-07 09:17:16 -0700161 return 0;
Patrick Venturee6206562018-03-08 15:36:53 -0800162}