| /* |
| // Copyright (c) 2018 Intel Corporation |
| // Copyright (c) 2018 Ampere Computing LLC |
| / |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| */ |
| #pragma once |
| |
| #include "node.hpp" |
| #include "sensors.hpp" |
| |
| namespace redfish |
| { |
| |
| class Power : public Node |
| { |
| public: |
| Power(CrowApp& app) : |
| Node((app), "/redfish/v1/Chassis/<str>/Power/", std::string()) |
| { |
| entityPrivileges = { |
| {boost::beast::http::verb::get, {{"Login"}}}, |
| {boost::beast::http::verb::head, {{"Login"}}}, |
| {boost::beast::http::verb::patch, {{"ConfigureComponents"}}}, |
| {boost::beast::http::verb::put, {{"ConfigureManager"}}}, |
| {boost::beast::http::verb::delete_, {{"ConfigureManager"}}}, |
| {boost::beast::http::verb::post, {{"ConfigureManager"}}}}; |
| } |
| |
| private: |
| std::vector<const char*> typeList = {"/xyz/openbmc_project/sensors/voltage", |
| "/xyz/openbmc_project/sensors/power"}; |
| void doGet(crow::Response& res, const crow::Request& req, |
| const std::vector<std::string>& params) override |
| { |
| if (params.size() != 1) |
| { |
| res.result(boost::beast::http::status::internal_server_error); |
| res.end(); |
| return; |
| } |
| const std::string& chassis_name = params[0]; |
| |
| res.jsonValue["PowerControl"] = nlohmann::json::array(); |
| |
| auto sensorAsyncResp = std::make_shared<SensorsAsyncResp>( |
| res, chassis_name, typeList, "Power"); |
| |
| getChassisData(sensorAsyncResp); |
| |
| // This callback verifies that the power limit is only provided for the |
| // chassis that implements the Chassis inventory item. This prevents |
| // things like power supplies providing the chassis power limit |
| auto chassisHandler = [sensorAsyncResp]( |
| const boost::system::error_code e, |
| const std::vector<std::string>& |
| chassisPaths) { |
| if (e) |
| { |
| BMCWEB_LOG_ERROR |
| << "Power Limit GetSubTreePaths handler Dbus error " << e; |
| return; |
| } |
| |
| bool found = false; |
| for (const std::string& chassis : chassisPaths) |
| { |
| size_t len = std::string::npos; |
| size_t lastPos = chassis.rfind("/"); |
| if (lastPos == std::string::npos) |
| { |
| continue; |
| } |
| |
| if (lastPos == chassis.size() - 1) |
| { |
| size_t end = lastPos; |
| lastPos = chassis.rfind("/", lastPos - 1); |
| if (lastPos == std::string::npos) |
| { |
| continue; |
| } |
| |
| len = end - (lastPos + 1); |
| } |
| |
| std::string interfaceChassisName = |
| chassis.substr(lastPos + 1, len); |
| if (!interfaceChassisName.compare(sensorAsyncResp->chassisId)) |
| { |
| found = true; |
| break; |
| } |
| } |
| |
| if (!found) |
| { |
| BMCWEB_LOG_DEBUG << "Power Limit not present for " |
| << sensorAsyncResp->chassisId; |
| return; |
| } |
| |
| auto valueHandler = |
| [sensorAsyncResp]( |
| const boost::system::error_code ec, |
| const std::vector<std::pair<std::string, SensorVariant>>& |
| properties) { |
| if (ec) |
| { |
| messages::internalError(sensorAsyncResp->res); |
| BMCWEB_LOG_ERROR |
| << "Power Limit GetAll handler: Dbus error " << ec; |
| return; |
| } |
| |
| nlohmann::json& tempArray = |
| sensorAsyncResp->res.jsonValue["PowerControl"]; |
| |
| // Put multiple "sensors" into a single PowerControl, 0, so |
| // only create the first one |
| if (tempArray.empty()) |
| { |
| // Mandatory properties odata.id and MemberId |
| // A warning without a odata.type |
| tempArray.push_back( |
| {{"@odata.type", "#Power.v1_0_0.PowerControl"}, |
| {"@odata.id", "/redfish/v1/Chassis/" + |
| sensorAsyncResp->chassisId + |
| "/Power#/PowerControl/0"}, |
| {"Name", "Chassis Power Control"}, |
| {"MemberId", "0"}}); |
| } |
| |
| nlohmann::json& sensorJson = tempArray.back(); |
| bool enabled = false; |
| double powerCap = 0.0; |
| int64_t scale = 0; |
| |
| for (const std::pair<std::string, SensorVariant>& property : |
| properties) |
| { |
| if (!property.first.compare("Scale")) |
| { |
| const int64_t* i = |
| sdbusplus::message::variant_ns::get_if<int64_t>( |
| &property.second); |
| |
| if (i) |
| { |
| scale = *i; |
| } |
| } |
| else if (!property.first.compare("PowerCap")) |
| { |
| const double* d = |
| sdbusplus::message::variant_ns::get_if<double>( |
| &property.second); |
| const int64_t* i = |
| sdbusplus::message::variant_ns::get_if<int64_t>( |
| &property.second); |
| const uint32_t* u = |
| sdbusplus::message::variant_ns::get_if< |
| uint32_t>(&property.second); |
| |
| if (d) |
| { |
| powerCap = *d; |
| } |
| else if (i) |
| { |
| powerCap = static_cast<double>(*i); |
| } |
| else if (u) |
| { |
| powerCap = *u; |
| } |
| } |
| else if (!property.first.compare("PowerCapEnable")) |
| { |
| const bool* b = |
| sdbusplus::message::variant_ns::get_if<bool>( |
| &property.second); |
| |
| if (b) |
| { |
| enabled = *b; |
| } |
| } |
| } |
| |
| nlohmann::json& value = |
| sensorJson["PowerLimit"]["LimitInWatts"]; |
| |
| if (enabled) |
| { |
| // Redfish specification indicates PowerLimit should be |
| // null if the limit is not enabled. |
| value = powerCap * std::pow(10, scale); |
| } |
| }; |
| |
| crow::connections::systemBus->async_method_call( |
| std::move(valueHandler), "xyz.openbmc_project.Settings", |
| "/xyz/openbmc_project/control/host0/power_cap", |
| "org.freedesktop.DBus.Properties", "GetAll", |
| "xyz.openbmc_project.Control.Power.Cap"); |
| }; |
| |
| crow::connections::systemBus->async_method_call( |
| std::move(chassisHandler), "xyz.openbmc_project.ObjectMapper", |
| "/xyz/openbmc_project/object_mapper", |
| "xyz.openbmc_project.ObjectMapper", "GetSubTreePaths", |
| "/xyz/openbmc_project/inventory", 0, |
| std::array<const char*, 1>{ |
| "xyz.openbmc_project.Inventory.Item.Chassis"}); |
| } |
| void doPatch(crow::Response& res, const crow::Request& req, |
| const std::vector<std::string>& params) override |
| { |
| setSensorOverride(res, req, params, typeList, "Power"); |
| } |
| }; |
| |
| } // namespace redfish |