| #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 |