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#include <experimental/filesystem>
#include <phosphor-logging/log.hpp>
#include <phosphor-logging/elog-errors.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
#include "occ_finder.hpp"
#include "occ_manager.hpp"
#include "i2c_occ.hpp"
#include "utils.hpp"
#include "config.h"
namespace open_power
{
namespace occ
{
void Manager::findAndCreateObjects()
{
for (auto id = 0; id < MAX_CPUS; ++id)
{
// Create one occ per cpu
auto occ = std::string(OCC_NAME) + std::to_string(id);
createObjects(occ);
}
}
int Manager::cpuCreated(sdbusplus::message::message& msg)
{
namespace fs = std::experimental::filesystem;
sdbusplus::message::object_path o;
msg.read(o);
fs::path cpuPath(std::string(std::move(o)));
auto name = cpuPath.filename().string();
auto index = name.find(CPU_NAME);
name.replace(index, std::strlen(CPU_NAME), OCC_NAME);
createObjects(name);
return 0;
}
void Manager::createObjects(const std::string& occ)
{
auto path = fs::path(OCC_CONTROL_ROOT) / occ;
passThroughObjects.emplace_back(
std::make_unique<PassThrough>(
bus,
path.c_str()));
statusObjects.emplace_back(
std::make_unique<Status>(
bus,
event,
path.c_str(),
*this,
std::bind(std::mem_fn(&Manager::statusCallBack),
this, std::placeholders::_1)));
// Create the power cap monitor object for master occ (0)
if (!pcap)
{
pcap = std::make_unique<open_power::occ::powercap::PowerCap>(
bus,
*statusObjects.front());
}
}
void Manager::statusCallBack(bool status)
{
using namespace phosphor::logging;
using InternalFailure = sdbusplus::xyz::openbmc_project::Common::
Error::InternalFailure;
// At this time, it won't happen but keeping it
// here just in case something changes in the future
if ((activeCount == 0) && (!status))
{
log<level::ERR>("Invalid update on OCCActive");
elog<InternalFailure>();
}
activeCount += status ? 1 : -1;
// If all the OCCs are bound, then start error detection
if (activeCount == statusObjects.size())
{
for (const auto& occ: statusObjects)
{
occ->addErrorWatch();
}
}
else if (!status)
{
// If some OCCs are not bound yet, those will be a NO-OP
for (const auto& occ: statusObjects)
{
occ->removeErrorWatch();
}
}
}
#ifdef I2C_OCC
void Manager::initStatusObjects()
{
// Make sure we have a valid path string
static_assert(sizeof(DEV_PATH) != 0);
auto deviceNames = i2c_occ::getOccHwmonDevices(DEV_PATH);
auto occMasterName = deviceNames.front();
for (auto& name : deviceNames)
{
i2c_occ::i2cToDbus(name);
name = std::string(OCC_NAME) + '_' + name;
auto path = fs::path(OCC_CONTROL_ROOT) / name;
statusObjects.emplace_back(
std::make_unique<Status>(
bus,
event,
path.c_str(),
*this));
}
// The first device is master occ
pcap = std::make_unique<open_power::occ::powercap::PowerCap>(
bus,
*statusObjects.front(),
occMasterName);
}
#endif
} // namespace occ
} // namespace open_power
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