diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-phosphor/watchdog/phosphor-watchdog/0001-Customize-phosphor-watchdog-for-Intel-platforms.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-phosphor/watchdog/phosphor-watchdog/0001-Customize-phosphor-watchdog-for-Intel-platforms.patch | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/watchdog/phosphor-watchdog/0001-Customize-phosphor-watchdog-for-Intel-platforms.patch b/meta-openbmc-mods/meta-common/recipes-phosphor/watchdog/phosphor-watchdog/0001-Customize-phosphor-watchdog-for-Intel-platforms.patch new file mode 100644 index 000000000..360ba35f0 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/watchdog/phosphor-watchdog/0001-Customize-phosphor-watchdog-for-Intel-platforms.patch @@ -0,0 +1,336 @@ +From 82f31d1e6096acd4f223f0b0fe0d814c27450022 Mon Sep 17 00:00:00 2001 +From: James Feist <james.feist@linux.intel.com> +Date: Mon, 17 Jun 2019 12:00:58 -0700 +Subject: [PATCH] Customize phosphor-watchdog for Intel platforms + +This patch adds various changes to phosphor-watchdog that are +required for compatibility with Intel platforms. + + 1. Add Redfish messages for watchdog timeout and pre-interrupt + 2. Use dbus properties for power control insted of service files + 3. Use host status to enable/disable watchdog + 4. Set preTimeoutInterruptOccurFlag + +Signed-off-by: James Feist <james.feist@linux.intel.com> +Signed-off-by: Ren Yu <yux.ren@intel.com> +Signed-off-by: Yong Li <yong.b.li@linux.intel.com> +Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com> +--- + watchdog.cpp | 213 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- + watchdog.hpp | 23 ++++++- + 2 files changed, 226 insertions(+), 10 deletions(-) + +diff --git a/watchdog.cpp b/watchdog.cpp +index 9090760..079d88e 100644 +--- a/watchdog.cpp ++++ b/watchdog.cpp +@@ -1,11 +1,14 @@ + #include "watchdog.hpp" + ++#include <systemd/sd-journal.h> ++ + #include <algorithm> + #include <chrono> + #include <phosphor-logging/elog.hpp> + #include <phosphor-logging/log.hpp> + #include <sdbusplus/exception.hpp> + #include <xyz/openbmc_project/Common/error.hpp> ++#include <xyz/openbmc_project/State/Host/server.hpp> + + namespace phosphor + { +@@ -18,10 +21,77 @@ using namespace phosphor::logging; + using sdbusplus::exception::SdBusError; + using sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; + +-// systemd service to kick start a target. +-constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1"; +-constexpr auto SYSTEMD_ROOT = "/org/freedesktop/systemd1"; +-constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager"; ++const static constexpr char* currentHostState = "CurrentHostState"; ++const static constexpr char* hostStatusOff = ++ "xyz.openbmc_project.State.Host.HostState.Off"; ++ ++const static constexpr char* actionDescription = " due to Watchdog timeout"; ++const static constexpr char* hardResetDescription = "Hard Reset - System reset"; ++const static constexpr char* powerOffDescription = ++ "Power Down - System power down"; ++const static constexpr char* powerCycleDescription = ++ "Power Cycle - System power cycle"; ++const static constexpr char* timerExpiredDescription = "Timer expired"; ++ ++const static constexpr char* preInterruptActionNone = ++ "xyz.openbmc_project.State.Watchdog.PreTimeoutInterruptAction.None"; ++ ++const static constexpr char* preInterruptDescriptionSMI = "SMI"; ++const static constexpr char* preInterruptDescriptionNMI = "NMI"; ++const static constexpr char* preInterruptDescriptionMI = "Messaging Interrupt"; ++ ++const static constexpr char* reservedDescription = "Reserved"; ++ ++const static constexpr char* timerUseDescriptionBIOSFRB2 = "BIOS FRB2"; ++const static constexpr char* timerUseDescriptionBIOSPOST = "BIOS/POST"; ++const static constexpr char* timerUseDescriptionOSLoad = "OSLoad"; ++const static constexpr char* timerUseDescriptionSMSOS = "SMS/OS"; ++const static constexpr char* timerUseDescriptionOEM = "OEM"; ++ ++namespace restart ++{ ++static constexpr const char* busName = ++ "xyz.openbmc_project.Control.Host.RestartCause"; ++static constexpr const char* path = ++ "/xyz/openbmc_project/control/host0/restart_cause"; ++static constexpr const char* interface = ++ "xyz.openbmc_project.Control.Host.RestartCause"; ++static constexpr const char* property = "RequestedRestartCause"; ++} // namespace restart ++ ++// chassis state manager service ++namespace chassis ++{ ++static constexpr const char* busName = "xyz.openbmc_project.State.Chassis"; ++static constexpr const char* path = "/xyz/openbmc_project/state/chassis0"; ++static constexpr const char* interface = "xyz.openbmc_project.State.Chassis"; ++static constexpr const char* request = "RequestedPowerTransition"; ++} // namespace chassis ++ ++namespace host ++{ ++static constexpr const char* busName = "xyz.openbmc_project.State.Host"; ++static constexpr const char* path = "/xyz/openbmc_project/state/host0"; ++static constexpr const char* interface = "xyz.openbmc_project.State.Host"; ++static constexpr const char* request = "RequestedHostTransition"; ++} // namespace host ++ ++void Watchdog::powerStateChangedHandler( ++ const std::map<std::string, std::variant<std::string>>& props) ++{ ++ const auto iter = props.find(currentHostState); ++ if (iter != props.end()) ++ { ++ const std::string* powerState = std::get_if<std::string>(&iter->second); ++ if (powerState && (*powerState == hostStatusOff)) ++ { ++ if (timerEnabled()) ++ { ++ enabled(false); ++ } ++ } ++ } ++} + + void Watchdog::resetTimeRemaining(bool enableWatchdog) + { +@@ -102,13 +172,102 @@ uint64_t Watchdog::interval(uint64_t value) + // Optional callback function on timer expiration + void Watchdog::timeOutHandler() + { ++ PreTimeoutInterruptAction preTimeoutInterruptAction = preTimeoutInterrupt(); ++ std::string preInterruptActionMessageArgs{}; ++ + Action action = expireAction(); ++ std::string actionMessageArgs{}; ++ ++ expiredTimerUse(currentTimerUse()); ++ ++ TimerUse timeUser = expiredTimerUse(); ++ std::string timeUserMessage{}; ++ + if (!this->enabled()) + { + action = fallback->action; + } + +- expiredTimerUse(currentTimerUse()); ++ switch (timeUser) ++ { ++ case Watchdog::TimerUse::BIOSFRB2: ++ timeUserMessage = timerUseDescriptionBIOSFRB2; ++ break; ++ case Watchdog::TimerUse::BIOSPOST: ++ timeUserMessage = timerUseDescriptionBIOSPOST; ++ break; ++ case Watchdog::TimerUse::OSLoad: ++ timeUserMessage = timerUseDescriptionOSLoad; ++ break; ++ case Watchdog::TimerUse::SMSOS: ++ timeUserMessage = timerUseDescriptionSMSOS; ++ break; ++ case Watchdog::TimerUse::OEM: ++ timeUserMessage = timerUseDescriptionOEM; ++ break; ++ default: ++ timeUserMessage = reservedDescription; ++ break; ++ } ++ ++ switch (action) ++ { ++ case Watchdog::Action::HardReset: ++ actionMessageArgs = std::string(hardResetDescription) + ++ std::string(actionDescription); ++ break; ++ case Watchdog::Action::PowerOff: ++ actionMessageArgs = std::string(powerOffDescription) + ++ std::string(actionDescription); ++ break; ++ case Watchdog::Action::PowerCycle: ++ actionMessageArgs = std::string(powerCycleDescription) + ++ std::string(actionDescription); ++ break; ++ case Watchdog::Action::None: ++ actionMessageArgs = timerExpiredDescription; ++ break; ++ default: ++ actionMessageArgs = reservedDescription; ++ break; ++ } ++ ++ // Log into redfish event log ++ sd_journal_send("MESSAGE=IPMIWatchdog: Timed out ACTION=%s", ++ convertForMessage(action).c_str(), "PRIORITY=%i", LOG_INFO, ++ "REDFISH_MESSAGE_ID=%s", "OpenBMC.0.1.IPMIWatchdog", ++ "REDFISH_MESSAGE_ARGS=%s. timer use: %s", ++ actionMessageArgs.c_str(), timeUserMessage.c_str(), NULL); ++ ++ switch (preTimeoutInterruptAction) ++ { ++ case Watchdog::PreTimeoutInterruptAction::SMI: ++ preInterruptActionMessageArgs = preInterruptDescriptionSMI; ++ break; ++ case Watchdog::PreTimeoutInterruptAction::NMI: ++ preInterruptActionMessageArgs = preInterruptDescriptionNMI; ++ break; ++ case Watchdog::PreTimeoutInterruptAction::MI: ++ preInterruptActionMessageArgs = preInterruptDescriptionMI; ++ break; ++ default: ++ preInterruptActionMessageArgs = reservedDescription; ++ break; ++ } ++ ++ if (preInterruptActionNone != convertForMessage(preTimeoutInterruptAction)) ++ { ++ preTimeoutInterruptOccurFlag(true); ++ ++ sd_journal_send("MESSAGE=IPMIWatchdog: Pre Timed out Interrupt=%s", ++ convertForMessage(preTimeoutInterruptAction).c_str(), ++ "PRIORITY=%i", LOG_INFO, "REDFISH_MESSAGE_ID=%s", ++ "OpenBMC.0.1.IPMIWatchdog", ++ "REDFISH_MESSAGE_ARGS=Timer interrupt - %s due to " ++ "Watchdog timeout. timer use: %s", ++ preInterruptActionMessageArgs.c_str(), ++ timeUserMessage.c_str(), NULL); ++ } + + auto target = actionTargetMap.find(action); + if (target == actionTargetMap.end()) +@@ -128,10 +287,23 @@ void Watchdog::timeOutHandler() + + try + { +- auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_ROOT, +- SYSTEMD_INTERFACE, "StartUnit"); +- method.append(target->second); +- method.append("replace"); ++ sdbusplus::message::message method; ++ if (action == Watchdog::Action::HardReset) ++ { ++ method = bus.new_method_call(host::busName, host::path, ++ "org.freedesktop.DBus.Properties", ++ "Set"); ++ method.append(host::interface, host::request, ++ std::variant<std::string>(target->second)); ++ } ++ else ++ { ++ method = bus.new_method_call(chassis::busName, chassis::path, ++ "org.freedesktop.DBus.Properties", ++ "Set"); ++ method.append(chassis::interface, chassis::request, ++ std::variant<std::string>(target->second)); ++ } + + bus.call_noreply(method); + } +@@ -142,6 +314,29 @@ void Watchdog::timeOutHandler() + entry("ERROR=%s", e.what())); + commit<InternalFailure>(); + } ++ ++ // set restart cause for watchdog HardReset & PowerCycle actions ++ if ((action == Watchdog::Action::HardReset) || ++ (action == Watchdog::Action::PowerCycle)) ++ { ++ try ++ { ++ auto method = bus.new_method_call( ++ restart::busName, restart::path, ++ "org.freedesktop.DBus.Properties", "Set"); ++ method.append( ++ restart::interface, restart::property, ++ std::variant<std::string>("xyz.openbmc_project.State.Host." ++ "RestartCause.WatchdogTimer")); ++ bus.call(method); ++ } ++ catch (sdbusplus::exception_t& e) ++ { ++ log<level::ERR>("Failed to set HostRestartCause property", ++ entry("ERROR=%s", e.what())); ++ commit<InternalFailure>(); ++ } ++ } + } + + tryFallbackOrDisable(); +diff --git a/watchdog.hpp b/watchdog.hpp +index 7de9bb3..b004b7a 100644 +--- a/watchdog.hpp ++++ b/watchdog.hpp +@@ -68,7 +68,18 @@ class Watchdog : public WatchdogInherits + WatchdogInherits(bus, objPath), + bus(bus), actionTargetMap(std::move(actionTargetMap)), + fallback(std::move(fallback)), minInterval(minInterval), +- timer(event, std::bind(&Watchdog::timeOutHandler, this)) ++ timer(event, std::bind(&Watchdog::timeOutHandler, this)), ++ powerStateChangedSignal( ++ bus, ++ sdbusplus::bus::match::rules::propertiesChanged( ++ "/xyz/openbmc_project/state/host0", ++ "xyz.openbmc_project.State.Host"), ++ [this](sdbusplus::message::message& msg) { ++ std::string objectName; ++ std::map<std::string, std::variant<std::string>> props; ++ msg.read(objectName, props); ++ powerStateChangedHandler(props); ++ }) + { + // We set the watchdog interval with the default value. + interval(interval()); +@@ -77,6 +88,12 @@ class Watchdog : public WatchdogInherits + tryFallbackOrDisable(); + } + ++ /** @brief Disable watchdog when power status change meet ++ * the specific requirement ++ */ ++ void powerStateChangedHandler( ++ const std::map<std::string, std::variant<std::string>>& props); ++ + /** @brief Resets the TimeRemaining to the configured Interval + * Optionally enables the watchdog. + * +@@ -165,6 +182,10 @@ class Watchdog : public WatchdogInherits + /** @brief Contained timer object */ + sdeventplus::utility::Timer<sdeventplus::ClockId::Monotonic> timer; + ++ /** @brief Optional Callback handler when power status change meet ++ * the specific requirement */ ++ sdbusplus::bus::match_t powerStateChangedSignal; ++ + /** @brief Optional Callback handler on timer expirartion */ + void timeOutHandler(); + +-- +2.7.4 + |