occ_status.cpp - openbmc/openpower-occ-control - Gitiles

 #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(0x00); // IPS Enable: disabled
     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
	#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(0x00); // IPS Enable: disabled
	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