blob: 2486c64e1e9868fcd61f8af35b695cc60c76a91f [file] [log] [blame]
#include "dbus_to_host_effecters.hpp"
#include "libpldm/pdr.h"
#include "libpldm/platform.h"
#include "libpldm/requester/pldm.h"
#include <xyz/openbmc_project/Common/error.hpp>
#include <xyz/openbmc_project/State/OperatingSystem/Status/server.hpp>
#include <fstream>
#include <iostream>
using namespace pldm::utils;
namespace pldm
{
namespace host_effecters
{
using InternalFailure =
sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
constexpr auto hostEffecterJson = "dbus_to_host_effecter.json";
void HostEffecterParser::populatePropVals(
const Json& dBusValues, std::vector<PropertyValue>& propertyValues,
const std::string& propertyType)
{
for (const auto& elem : dBusValues)
{
auto value = jsonEntryToDbusVal(propertyType, elem);
propertyValues.emplace_back(value);
}
}
void HostEffecterParser::parseEffecterJson(const std::string& jsonPath)
{
fs::path jsonDir(jsonPath);
if (!fs::exists(jsonDir) || fs::is_empty(jsonDir))
{
std::cerr << "Host Effecter json path does not exist, DIR=" << jsonPath
<< "\n";
return;
}
fs::path jsonFilePath = jsonDir / hostEffecterJson;
if (!fs::exists(jsonFilePath))
{
std::cerr << "json does not exist, PATH=" << jsonFilePath << "\n";
throw InternalFailure();
}
std::ifstream jsonFile(jsonFilePath);
auto data = Json::parse(jsonFile, nullptr, false);
if (data.is_discarded())
{
std::cerr << "Parsing json file failed, FILE=" << jsonFilePath << "\n";
throw InternalFailure();
}
const Json empty{};
const std::vector<Json> emptyList{};
auto entries = data.value("entries", emptyList);
for (const auto& entry : entries)
{
EffecterInfo effecterInfo;
effecterInfo.mctpEid = entry.value("mctp_eid", 0xFF);
auto jsonEffecterInfo = entry.value("effecter_info", empty);
auto effecterId =
jsonEffecterInfo.value("effecterID", PLDM_INVALID_EFFECTER_ID);
effecterInfo.containerId = jsonEffecterInfo.value("containerID", 0);
effecterInfo.entityType = jsonEffecterInfo.value("entityType", 0);
effecterInfo.entityInstance =
jsonEffecterInfo.value("entityInstance", 0);
effecterInfo.compEffecterCnt =
jsonEffecterInfo.value("compositeEffecterCount", 0);
auto effecters = entry.value("effecters", emptyList);
for (const auto& effecter : effecters)
{
DBusEffecterMapping dbusInfo{};
auto jsonDbusInfo = effecter.value("dbus_info", empty);
dbusInfo.dbusMap.objectPath = jsonDbusInfo.value("object_path", "");
dbusInfo.dbusMap.interface = jsonDbusInfo.value("interface", "");
dbusInfo.dbusMap.propertyName =
jsonDbusInfo.value("property_name", "");
dbusInfo.dbusMap.propertyType =
jsonDbusInfo.value("property_type", "");
Json propertyValues = jsonDbusInfo["property_values"];
populatePropVals(propertyValues, dbusInfo.propertyValues,
dbusInfo.dbusMap.propertyType);
const std::vector<uint8_t> emptyStates{};
auto state = effecter.value("state", empty);
dbusInfo.state.stateSetId = state.value("id", 0);
auto states = state.value("state_values", emptyStates);
if (dbusInfo.propertyValues.size() != states.size())
{
std::cerr << "Number of states do not match with"
<< " number of D-Bus property values in the json. "
<< "Object path " << dbusInfo.dbusMap.objectPath
<< " and property " << dbusInfo.dbusMap.propertyName
<< " will not be monitored \n";
continue;
}
for (const auto& s : states)
{
dbusInfo.state.states.emplace_back(s);
}
auto effecterInfoIndex = hostEffecterInfo.size();
auto dbusInfoIndex = effecterInfo.dbusInfo.size();
createHostEffecterMatch(
dbusInfo.dbusMap.objectPath, dbusInfo.dbusMap.interface,
effecterInfoIndex, dbusInfoIndex, effecterId);
effecterInfo.dbusInfo.emplace_back(std::move(dbusInfo));
}
hostEffecterInfo.emplace_back(std::move(effecterInfo));
}
}
void HostEffecterParser::processHostEffecterChangeNotification(
const DbusChgHostEffecterProps& chProperties, size_t effecterInfoIndex,
size_t dbusInfoIndex, uint16_t effecterId)
{
const auto& propertyName = hostEffecterInfo[effecterInfoIndex]
.dbusInfo[dbusInfoIndex]
.dbusMap.propertyName;
const auto& it = chProperties.find(propertyName);
if (it == chProperties.end())
{
return;
}
if (effecterId == PLDM_INVALID_EFFECTER_ID)
{
constexpr auto localOrRemote = false;
effecterId = findStateEffecterId(
pdrRepo, hostEffecterInfo[effecterInfoIndex].entityType,
hostEffecterInfo[effecterInfoIndex].entityInstance,
hostEffecterInfo[effecterInfoIndex].containerId,
hostEffecterInfo[effecterInfoIndex]
.dbusInfo[dbusInfoIndex]
.state.stateSetId,
localOrRemote);
if (effecterId == PLDM_INVALID_EFFECTER_ID)
{
std::cerr << "Effecter id not found in pdr repo \n";
return;
}
}
constexpr auto hostStateInterface =
"xyz.openbmc_project.State.Boot.Progress";
constexpr auto hostStatePath = "/xyz/openbmc_project/state/host0";
try
{
auto propVal = dbusHandler->getDbusPropertyVariant(
hostStatePath, "BootProgress", hostStateInterface);
const auto& currHostState = std::get<std::string>(propVal);
if ((currHostState != "xyz.openbmc_project.State.Boot.Progress."
"ProgressStages.SystemInitComplete") &&
(currHostState != "xyz.openbmc_project.State.Boot.Progress."
"ProgressStages.OSRunning") &&
(currHostState != "xyz.openbmc_project.State.Boot.Progress."
"ProgressStages.OSStart"))
{
std::cout << "Host is not up. Current host state: "
<< currHostState.c_str() << "\n";
return;
}
}
catch (const sdbusplus::exception::exception& e)
{
std::cerr << "Error in getting current host state. Will still "
"continue to set the host effecter \n";
}
uint8_t newState{};
try
{
newState =
findNewStateValue(effecterInfoIndex, dbusInfoIndex, it->second);
}
catch (const std::out_of_range& e)
{
std::cerr << "new state not found in json"
<< "\n";
return;
}
std::vector<set_effecter_state_field> stateField;
for (uint8_t i = 0; i < hostEffecterInfo[effecterInfoIndex].compEffecterCnt;
i++)
{
if (i == dbusInfoIndex)
{
stateField.push_back({PLDM_REQUEST_SET, newState});
}
else
{
stateField.push_back({PLDM_NO_CHANGE, 0});
}
}
int rc{};
try
{
rc = setHostStateEffecter(effecterInfoIndex, stateField, effecterId);
}
catch (const std::runtime_error& e)
{
std::cerr << "Could not set host state effecter \n";
return;
}
if (rc != PLDM_SUCCESS)
{
std::cerr << "Could not set the host state effecter, rc= " << rc
<< " \n";
}
}
uint8_t
HostEffecterParser::findNewStateValue(size_t effecterInfoIndex,
size_t dbusInfoIndex,
const PropertyValue& propertyValue)
{
const auto& propValues = hostEffecterInfo[effecterInfoIndex]
.dbusInfo[dbusInfoIndex]
.propertyValues;
auto it = std::find(propValues.begin(), propValues.end(), propertyValue);
uint8_t newState{};
if (it != propValues.end())
{
auto index = std::distance(propValues.begin(), it);
newState = hostEffecterInfo[effecterInfoIndex]
.dbusInfo[dbusInfoIndex]
.state.states[index];
}
else
{
throw std::out_of_range("new state not found in json");
}
return newState;
}
int HostEffecterParser::setHostStateEffecter(
size_t effecterInfoIndex, std::vector<set_effecter_state_field>& stateField,
uint16_t effecterId)
{
uint8_t& mctpEid = hostEffecterInfo[effecterInfoIndex].mctpEid;
uint8_t& compEffCnt = hostEffecterInfo[effecterInfoIndex].compEffecterCnt;
auto instanceId = requester->getInstanceId(mctpEid);
std::vector<uint8_t> requestMsg(
sizeof(pldm_msg_hdr) + sizeof(effecterId) + sizeof(compEffCnt) +
sizeof(set_effecter_state_field) * compEffCnt,
0);
auto request = reinterpret_cast<pldm_msg*>(requestMsg.data());
auto rc = encode_set_state_effecter_states_req(
instanceId, effecterId, compEffCnt, stateField.data(), request);
if (rc != PLDM_SUCCESS)
{
std::cerr << "Message encode failure. PLDM error code = " << std::hex
<< std::showbase << rc << "\n";
requester->markFree(mctpEid, instanceId);
return rc;
}
auto setStateEffecterStatesRespHandler =
[](mctp_eid_t /*eid*/, const pldm_msg* response, size_t respMsgLen) {
if (response == nullptr || !respMsgLen)
{
std::cerr << "Failed to receive response for "
<< "setStateEffecterStates command \n";
return;
}
uint8_t completionCode{};
auto rc = decode_set_state_effecter_states_resp(
response, respMsgLen, &completionCode);
if (rc)
{
std::cerr << "Failed to decode setStateEffecterStates response,"
<< " rc " << rc << "\n";
pldm::utils::reportError(
"xyz.openbmc_project.bmc.pldm.SetHostEffecterFailed");
}
if (completionCode)
{
std::cerr << "Failed to set a Host effecter "
<< ", cc=" << static_cast<unsigned>(completionCode)
<< "\n";
pldm::utils::reportError(
"xyz.openbmc_project.bmc.pldm.SetHostEffecterFailed");
}
};
rc = handler->registerRequest(
mctpEid, instanceId, PLDM_PLATFORM, PLDM_SET_STATE_EFFECTER_STATES,
std::move(requestMsg), std::move(setStateEffecterStatesRespHandler));
if (rc)
{
std::cerr << "Failed to send request to set an effecter on Host \n";
}
return rc;
}
void HostEffecterParser::createHostEffecterMatch(const std::string& objectPath,
const std::string& interface,
size_t effecterInfoIndex,
size_t dbusInfoIndex,
uint16_t effecterId)
{
using namespace sdbusplus::bus::match::rules;
effecterInfoMatch.emplace_back(
std::make_unique<sdbusplus::bus::match::match>(
pldm::utils::DBusHandler::getBus(),
propertiesChanged(objectPath, interface),
[this, effecterInfoIndex, dbusInfoIndex,
effecterId](sdbusplus::message::message& msg) {
DbusChgHostEffecterProps props;
std::string iface;
msg.read(iface, props);
processHostEffecterChangeNotification(
props, effecterInfoIndex, dbusInfoIndex, effecterId);
}));
}
} // namespace host_effecters
} // namespace pldm