blob: 1ac521275d8defaea27f4000e3d9abc768a7cd70 [file] [log] [blame]
#include "occ_status.hpp"
#include "occ_sensor.hpp"
#include "powermode.hpp"
#include "utils.hpp"
#include <fmt/core.h>
#ifdef POWER10
#include <com/ibm/Host/Target/server.hpp>
#endif
#include <phosphor-logging/log.hpp>
namespace open_power
{
namespace occ
{
using namespace phosphor::logging;
// Handles updates to occActive property
bool Status::occActive(bool value)
{
if (value != this->occActive())
{
log<level::INFO>(fmt::format("Status::occActive OCC{} changed to {}",
instance, value)
.c_str());
if (value)
{
// Bind the device
device.bind();
// Start watching for errors
addErrorWatch();
// Reset last OCC state
lastState = 0;
// Call into Manager to let know that we have bound
if (this->callBack)
{
this->callBack(value);
}
}
else
{
// Call into Manager to let know that we will unbind.
if (this->callBack)
{
this->callBack(value);
}
// Stop watching for errors
removeErrorWatch();
// Do the unbind.
device.unBind();
}
}
else if (value && !device.bound())
{
// Existing error watch is on a dead file descriptor.
removeErrorWatch();
/*
* In it's constructor, Status checks Device::bound() to see if OCC is
* active or not.
* Device::bound() checks for occX-dev0 directory.
* We will lose occX-dev0 directories during FSI rescan.
* So, if we start this application (and construct Status), and then
* later do FSI rescan, we will end up with occActive = true and device
* NOT bound. Lets correct that situation here.
*/
device.bind();
// Add error watch again
addErrorWatch();
}
else if (!value && device.bound())
{
removeErrorWatch();
// In the event that the application never receives the active signal
// even though the OCC is active (this can occur if the BMC is rebooted
// with the host on, since the initial OCC driver probe will discover
// the OCCs), this application needs to be able to unbind the device
// when we get the OCC inactive signal.
device.unBind();
}
return Base::Status::occActive(value);
}
// Callback handler when a device error is reported.
void Status::deviceErrorHandler(bool error)
{
// Make sure we have an error
if (error)
{
// This would deem OCC inactive
this->occActive(false);
// Reset the OCC
this->resetOCC();
}
}
// Sends message to host control command handler to reset OCC
void Status::resetOCC()
{
log<level::INFO>(
fmt::format(">>Status::resetOCC() - requesting reset for OCC{}",
instance)
.c_str());
#ifdef PLDM
if (resetCallBack)
{
this->resetCallBack(instance);
}
#else
constexpr auto CONTROL_HOST_PATH = "/org/open_power/control/host0";
constexpr auto CONTROL_HOST_INTF = "org.open_power.Control.Host";
// This will throw exception on failure
auto service = utils::getService(CONTROL_HOST_PATH, CONTROL_HOST_INTF);
auto& bus = utils::getBus();
auto method = bus.new_method_call(service.c_str(), CONTROL_HOST_PATH,
CONTROL_HOST_INTF, "Execute");
// OCC Reset control command
method.append(convertForMessage(Control::Host::Command::OCCReset).c_str());
// OCC Sensor ID for callout reasons
method.append(std::variant<uint8_t>(std::get<0>(sensorMap.at(instance))));
bus.call_noreply(method);
return;
#endif
}
// Handler called by Host control command handler to convey the
// status of the executed command
void Status::hostControlEvent(sdbusplus::message::message& msg)
{
std::string cmdCompleted{};
std::string cmdStatus{};
msg.read(cmdCompleted, cmdStatus);
log<level::DEBUG>("Host control signal values",
entry("COMMAND=%s", cmdCompleted.c_str()),
entry("STATUS=%s", cmdStatus.c_str()));
if (Control::Host::convertResultFromString(cmdStatus) !=
Control::Host::Result::Success)
{
if (Control::Host::convertCommandFromString(cmdCompleted) ==
Control::Host::Command::OCCReset)
{
// Must be a Timeout. Log an Error trace
log<level::ERR>(
"Error resetting the OCC.", entry("PATH=%s", path.c_str()),
entry("SENSORID=0x%X", std::get<0>(sensorMap.at(instance))));
}
}
return;
}
void Status::readOccState()
{
unsigned int state;
const fs::path filename =
fs::path(DEV_PATH) /
fs::path(sysfsName + "." + std::to_string(instance + 1)) / "occ_state";
log<level::DEBUG>(
fmt::format("Status::readOccState: reading OCC{} state from {}",
instance, filename.c_str())
.c_str());
std::ifstream file(filename, std::ios::in);
const int open_errno = errno;
if (file)
{
file >> state;
if (state != lastState)
{
// Trace OCC state changes
log<level::INFO>(
fmt::format("Status::readOccState: OCC{} state 0x{:02X}",
instance, state)
.c_str());
lastState = state;
#ifdef POWER10
if ((OccState(state) == OccState::ACTIVE) && (device.master()))
{
// Kernel detected that the master OCC went to active state
occsWentActive();
}
#endif
}
file.close();
}
else
{
// If not able to read, OCC may be offline
log<level::DEBUG>(
fmt::format("Status::readOccState: open failed (errno={})",
open_errno)
.c_str());
lastState = 0;
}
}
#ifdef POWER10
// Check if Hypervisor target is PowerVM
bool Status::isPowerVM()
{
using namespace open_power::occ::powermode;
namespace Hyper = sdbusplus::com::ibm::Host::server;
constexpr auto HYPE_PATH = "/com/ibm/host0/hypervisor";
constexpr auto HYPE_INTERFACE = "com.ibm.Host.Target";
constexpr auto HYPE_PROP = "Target";
bool powerVmTarget = false;
// This will throw exception on failure
auto& bus = utils::getBus();
auto service = utils::getService(HYPE_PATH, HYPE_INTERFACE);
auto method = bus.new_method_call(service.c_str(), HYPE_PATH,
"org.freedesktop.DBus.Properties", "Get");
method.append(HYPE_INTERFACE, HYPE_PROP);
auto reply = bus.call(method);
std::variant<std::string> hyperEntryValue;
reply.read(hyperEntryValue);
auto propVal = std::get<std::string>(hyperEntryValue);
if (Hyper::Target::convertHypervisorFromString(propVal) ==
Hyper::Target::Hypervisor::PowerVM)
{
powerVmTarget = true;
}
log<level::DEBUG>(
fmt::format("Status::isPowerVM returning {}", powerVmTarget).c_str());
return powerVmTarget;
}
// Get the requested power mode
SysPwrMode Status::getMode()
{
using namespace open_power::occ::powermode;
SysPwrMode pmode = SysPwrMode::NO_CHANGE;
// This will throw exception on failure
auto& bus = utils::getBus();
auto service = utils::getService(PMODE_PATH, PMODE_INTERFACE);
auto method = bus.new_method_call(service.c_str(), PMODE_PATH,
"org.freedesktop.DBus.Properties", "Get");
method.append(PMODE_INTERFACE, POWER_MODE_PROP);
auto reply = bus.call(method);
std::variant<std::string> stateEntryValue;
reply.read(stateEntryValue);
auto propVal = std::get<std::string>(stateEntryValue);
pmode = powermode::convertStringToMode(propVal);
log<level::DEBUG>(
fmt::format("Status::getMode returning {}", pmode).c_str());
return pmode;
}
// Special processing that needs to happen once the OCCs change to ACTIVE state
void Status::occsWentActive()
{
CmdStatus status = CmdStatus::SUCCESS;
status = sendModeChange();
if (status != CmdStatus::SUCCESS)
{
log<level::ERR>(fmt::format("Status::occsWentActive: OCC mode "
"change failed with status {}",
status)
.c_str());
}
status = sendIpsData();
if (status != CmdStatus::SUCCESS)
{
log<level::ERR>(
fmt::format(
"Status::occsWentActive: Sending Idle Power Save Config data"
" failed with status {}",
status)
.c_str());
}
}
// Send mode change request to the master OCC
CmdStatus Status::sendModeChange()
{
CmdStatus status = CmdStatus::FAILURE;
if (!device.master())
{
log<level::ERR>(
fmt::format("Status::sendModeChange: MODE CHANGE does not "
"get sent to slave OCC{}",
instance)
.c_str());
return status;
}
if (!isPowerVM())
{
// Mode change is only supported on PowerVM systems
log<level::DEBUG>("Status::sendModeChange: MODE CHANGE does not "
"get sent on non-PowerVM systems");
return CmdStatus::SUCCESS;
}
const SysPwrMode newMode = getMode();
if (VALID_POWER_MODE_SETTING(newMode))
{
std::vector<std::uint8_t> cmd, rsp;
cmd.push_back(uint8_t(CmdType::SET_MODE_AND_STATE));
cmd.push_back(0x00); // Data Length (2 bytes)
cmd.push_back(0x06);
cmd.push_back(0x30); // Data (Version)
cmd.push_back(uint8_t(OccState::NO_CHANGE));
cmd.push_back(uint8_t(newMode));
cmd.push_back(0x00); // Mode Data (Freq Point)
cmd.push_back(0x00); //
cmd.push_back(0x00); // reserved
log<level::INFO>(fmt::format("Status::sendModeChange: SET_MODE({}) "
"command to OCC{} ({} bytes)",
newMode, instance, cmd.size())
.c_str());
status = occCmd.send(cmd, rsp);
if (status == CmdStatus::SUCCESS)
{
if (rsp.size() == 5)
{
if (RspStatus::SUCCESS == RspStatus(rsp[2]))
{
log<level::DEBUG>("Status::sendModeChange: - Mode change "
"completed successfully");
}
else
{
log<level::ERR>(
fmt::format("Status::sendModeChange: SET MODE "
"failed with status 0x{:02X}",
rsp[2])
.c_str());
}
}
else
{
log<level::ERR>(
"Status::sendModeChange: INVALID SET MODE response");
dump_hex(rsp);
}
}
else
{
if (status == CmdStatus::OPEN_FAILURE)
{
log<level::WARNING>(
"Status::sendModeChange: OCC not active yet");
}
else
{
log<level::ERR>("Status::sendModeChange: SET_MODE FAILED!");
}
}
}
else
{
log<level::ERR>(
fmt::format(
"Status::sendModeChange: Unable to set power mode to {}",
newMode)
.c_str());
}
return status;
}
// Send Idle Power Saver config data to the master OCC
CmdStatus Status::sendIpsData()
{
CmdStatus status = CmdStatus::FAILURE;
if (!device.master())
{
log<level::ERR>(
fmt::format("Status::sendIpsData: SET_CFG_DATA[IPS] does not "
"get sent to slave OCC{}",
instance)
.c_str());
return status;
}
if (!isPowerVM())
{
// Idle Power Saver data is only supported on PowerVM systems
log<level::DEBUG>("Status::sendIpsData: SET_CFG_DATA[IPS] does not "
"get sent on non-PowerVM systems");
return CmdStatus::SUCCESS;
}
std::vector<std::uint8_t> cmd, rsp;
cmd.push_back(uint8_t(CmdType::SET_CONFIG_DATA));
cmd.push_back(0x00); // Data Length (2 bytes)
cmd.push_back(0x09);
// Data:
cmd.push_back(0x11); // Config Format: IPS Settings
cmd.push_back(0x00); // Version
cmd.push_back(0x01); // IPS Enable: enabled
cmd.push_back(0x00); // Enter Delay Time (240s)
cmd.push_back(0xF0); //
cmd.push_back(0x08); // Enter Utilization (8%)
cmd.push_back(0x00); // Exit Delay Time (10s)
cmd.push_back(0x0A); //
cmd.push_back(0x0C); // Exit Utilization (12%)
log<level::INFO>(fmt::format("Status::sendIpsData: SET_CFG_DATA[IPS] "
"command to OCC{} ({} bytes)",
instance, cmd.size())
.c_str());
status = occCmd.send(cmd, rsp);
if (status == CmdStatus::SUCCESS)
{
if (rsp.size() == 5)
{
if (RspStatus::SUCCESS == RspStatus(rsp[2]))
{
log<level::DEBUG>("Status::sendIpsData: - SET_CFG_DATA[IPS] "
"completed successfully");
}
else
{
log<level::ERR>(
fmt::format("Status::sendIpsData: SET_CFG_DATA[IPS] "
"failed with status 0x{:02X}",
rsp[2])
.c_str());
}
}
else
{
log<level::ERR>(
"Status::sendIpsData: INVALID SET_CFG_DATA[IPS] response");
dump_hex(rsp);
}
}
else
{
if (status == CmdStatus::OPEN_FAILURE)
{
log<level::WARNING>("Status::sendIpsData: OCC not active yet");
}
else
{
log<level::ERR>("Status::sendIpsData: SET_CFG_DATA[IPS] FAILED!");
}
}
return status;
}
#endif // POWER10
} // namespace occ
} // namespace open_power