1 /*
2 * SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION &
3 * AFFILIATES. All rights reserved.
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include "NvidiaSmaDevice.hpp"
8
9 #include "NvidiaDeviceDiscovery.hpp"
10 #include "NvidiaGpuSensor.hpp"
11 #include "Thresholds.hpp"
12 #include "Utils.hpp"
13
14 #include <bits/basic_string.h>
15
16 #include <MctpRequester.hpp>
17 #include <boost/asio/io_context.hpp>
18 #include <phosphor-logging/lg2.hpp>
19 #include <sdbusplus/asio/connection.hpp>
20 #include <sdbusplus/asio/object_server.hpp>
21
22 #include <chrono>
23 #include <cstdint>
24 #include <memory>
25 #include <string>
26 #include <vector>
27
SmaDevice(const SensorConfigs & configs,const std::string & name,const std::string & path,const std::shared_ptr<sdbusplus::asio::connection> & conn,uint8_t eid,boost::asio::io_context & io,mctp::MctpRequester & mctpRequester,sdbusplus::asio::object_server & objectServer)28 SmaDevice::SmaDevice(const SensorConfigs& configs, const std::string& name,
29 const std::string& path,
30 const std::shared_ptr<sdbusplus::asio::connection>& conn,
31 uint8_t eid, boost::asio::io_context& io,
32 mctp::MctpRequester& mctpRequester,
33 sdbusplus::asio::object_server& objectServer) :
34 eid(eid), sensorPollMs(std::chrono::milliseconds{configs.pollRate}),
35 waitTimer(io, std::chrono::steady_clock::duration(0)),
36 mctpRequester(mctpRequester), conn(conn), objectServer(objectServer),
37 configs(configs), name(escapeName(name)), path(path)
38 {
39 makeSensors();
40 }
41
makeSensors()42 void SmaDevice::makeSensors()
43 {
44 tempSensor = std::make_shared<NvidiaGpuTempSensor>(
45 conn, mctpRequester, name + "_TEMP_0", path, eid, smaTempSensorId,
46 objectServer, std::vector<thresholds::Threshold>{});
47
48 lg2::info("Added MCA {NAME} Sensors with chassis path: {PATH}.", "NAME",
49 name, "PATH", path);
50
51 read();
52 }
53
read()54 void SmaDevice::read()
55 {
56 tempSensor->update();
57
58 waitTimer.expires_after(std::chrono::milliseconds(sensorPollMs));
59 waitTimer.async_wait([this](const boost::system::error_code& ec) {
60 if (ec)
61 {
62 return;
63 }
64 read();
65 });
66 }
67