blob: 884662ecce6912ef700b52ca91f4ed4cb26a0300 [file] [log] [blame]
#include "dbus_to_host_effecters.hpp"
#include <libpldm/pdr.h>
#include <libpldm/platform.h>
#include <libpldm/pldm.h>
#include <phosphor-logging/lg2.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
#include <xyz/openbmc_project/State/OperatingSystem/Status/server.hpp>
#include <fstream>
#include <iostream>
PHOSPHOR_LOG2_USING;
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))
{
error("Host Effecter json path does not exist, DIR = {JSON_PATH}",
"JSON_PATH", jsonPath.c_str());
return;
}
fs::path jsonFilePath = jsonDir / hostEffecterJson;
if (!fs::exists(jsonFilePath))
{
error("json does not exist, PATH = {JSON_PATH}", "JSON_PATH",
jsonFilePath.c_str());
throw InternalFailure();
}
std::ifstream jsonFile(jsonFilePath);
auto data = Json::parse(jsonFile, nullptr, false);
if (data.is_discarded())
{
error("Parsing json file failed, FILE = {JSON_PATH}", "JSON_PATH",
jsonFilePath.c_str());
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())
{
error(
"Number of states do not match with number of D-Bus property values in the json. Object path {OBJ_PATH} and property {PROP_NAME} will not be monitored",
"OBJ_PATH", dbusInfo.dbusMap.objectPath.c_str(),
"PROP_NAME", dbusInfo.dbusMap.propertyName);
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)
{
error("Effecter id not found in pdr repo");
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") &&
(currHostState != "xyz.openbmc_project.State.Boot.Progress."
"ProgressStages.SystemSetup"))
{
info("Host is not up. Current host state: {CUR_HOST_STATE}",
"CUR_HOST_STATE", currHostState.c_str());
return;
}
}
catch (const sdbusplus::exception_t& e)
{
error(
"Error in getting current host state. Will still continue to set the host effecter - {ERR_EXCEP}",
"ERR_EXCEP", e.what());
}
uint8_t newState{};
try
{
newState = findNewStateValue(effecterInfoIndex, dbusInfoIndex,
it->second);
}
catch (const std::out_of_range& e)
{
error("New state not found in json");
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)
{
error("Could not set host state effecter");
return;
}
if (rc != PLDM_SUCCESS)
{
error("Could not set the host state effecter, rc= {RC}", "RC", rc);
}
}
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 = instanceIdDb->next(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)
{
error("Message encode failure. PLDM error code = {RC}", "RC", lg2::hex,
rc);
instanceIdDb->free(mctpEid, instanceId);
return rc;
}
auto setStateEffecterStatesRespHandler =
[](mctp_eid_t /*eid*/, const pldm_msg* response, size_t respMsgLen) {
if (response == nullptr || !respMsgLen)
{
error(
"Failed to receive response for setStateEffecterStates command");
return;
}
uint8_t completionCode{};
auto rc = decode_set_state_effecter_states_resp(response, respMsgLen,
&completionCode);
if (rc)
{
error("Failed to decode setStateEffecterStates response, rc {RC}",
"RC", rc);
pldm::utils::reportError(
"xyz.openbmc_project.bmc.pldm.SetHostEffecterFailed");
}
if (completionCode)
{
error("Failed to set a Host effecter, cc = {CC}", "CC",
static_cast<unsigned>(completionCode));
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)
{
error("Failed to send request to set an effecter on Host");
}
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_t>(
pldm::utils::DBusHandler::getBus(),
propertiesChanged(objectPath, interface),
[this, effecterInfoIndex, dbusInfoIndex,
effecterId](sdbusplus::message_t& msg) {
DbusChgHostEffecterProps props;
std::string iface;
msg.read(iface, props);
processHostEffecterChangeNotification(props, effecterInfoIndex,
dbusInfoIndex, effecterId);
}));
}
} // namespace host_effecters
} // namespace pldm