Send OCC mode change and IPS parms after reaching active state
Change is only applicable for POWER10 PowerVM systems.
Send mode change requests to OCC when PowerMode is changed.
Retry OCC command once, if a valid response is not received.
Tested: built openpower-occ-control successfully and verified
functionality on hardware.
Change-Id: If375f8abfdb2ad82937b8744096c2ccc471263d2
Signed-off-by: Chris Cain <cjcain@us.ibm.com>
diff --git a/powermode.hpp b/powermode.hpp
new file mode 100644
index 0000000..472fd3e
--- /dev/null
+++ b/powermode.hpp
@@ -0,0 +1,79 @@
+#pragma once
+
+#ifdef POWER10
+#include "config.h"
+
+#include "occ_status.hpp"
+
+#include <experimental/filesystem>
+#include <sdbusplus/bus.hpp>
+#include <sdbusplus/bus/match.hpp>
+
+namespace open_power
+{
+namespace occ
+{
+namespace powermode
+{
+
+constexpr auto PMODE_PATH = "/xyz/openbmc_project/control/host0/power_mode";
+constexpr auto PMODE_INTERFACE = "xyz.openbmc_project.Control.Power.Mode";
+constexpr auto POWER_MODE_PROP = "PowerMode";
+
+/** @brief Convert power mode string to OCC SysPwrMode value
+ *
+ * @param[in] i_modeString - power mode string
+ *
+ * @return SysPwrMode or SysPwrMode::NO_CHANGE if not found
+ */
+SysPwrMode convertStringToMode(const std::string& i_modeString);
+
+/** @class PowerMode
+ * @brief Monitors for changes to the power mode and notifies occ
+ *
+ * The customer power mode is provided to the OCC by host TMGT when the occ
+ * first goes active or is reset. This code is responsible for sending
+ * the power mode to the OCC if the mode is changed while the occ is active.
+ */
+
+class PowerMode
+{
+ public:
+ /** @brief PowerMode object to inform occ of changes to mode
+ *
+ * This object will monitor for changes to the power mode setting.
+ * If a change is detected, and the occ is active, then this object will
+ * notify the OCC of the change.
+ *
+ * @param[in] occStatus - The occ status object
+ */
+ PowerMode(Status& occStatus) :
+ occStatus(occStatus),
+ pmodeMatch(utils::getBus(),
+ sdbusplus::bus::match::rules::propertiesChanged(
+ PMODE_PATH, PMODE_INTERFACE),
+ [this](auto& msg) { this->modeChanged(msg); }){};
+
+ private:
+ /** @brief Callback for pmode setting changes
+ *
+ * Process change and inform OCC
+ *
+ * @param[in] msg - Data associated with pmode change signal
+ *
+ */
+ void modeChanged(sdbusplus::message::message& msg);
+
+ /* @brief OCC Status object */
+ Status& occStatus;
+
+ /** @brief Used to subscribe to dbus pmode property changes **/
+ sdbusplus::bus::match_t pmodeMatch;
+};
+
+} // namespace powermode
+
+} // namespace occ
+
+} // namespace open_power
+#endif