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-rw-r--r--meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0065--Refactor-DCMI-IPMI-commands.patch2845
-rw-r--r--meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0066-Fix-for-static-analyser-tool-reported-issues.patch186
2 files changed, 3031 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0065--Refactor-DCMI-IPMI-commands.patch b/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0065--Refactor-DCMI-IPMI-commands.patch
new file mode 100644
index 000000000..bf222cf54
--- /dev/null
+++ b/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0065--Refactor-DCMI-IPMI-commands.patch
@@ -0,0 +1,2845 @@
+From 2cced6aac7e35f8f3c1d9c5f56a8c8873556bd7d Mon Sep 17 00:00:00 2001
+From: Jayaprakash Mutyala <mutyalax.jayaprakash@intel.com>
+Date: Mon, 28 Aug 2023 18:18:43 +0000
+Subject: [PATCH] Refactor DCMI IPMI commands
+
+This PR ported from below upstream commit ID's
+82cffccd642142b7dd48c9a874718e69e83b2ef3
+f4eb35d069bb338506dcac80905c0bc9e929ac89
+d4222fd3b66e4fd69b42ea7b91ad2af11fd77cce
+dca4720fe3d0af8c433614a6199f0a6b41ade6a4
+efb5ae550fe5033742c74b611c5c3f1791261414
+f038dc095f8d9089d92d89740177b19a5d2b5f5b
+cce9ffd9efea31ea6c42692a6d3ba50a3fccaacf
+056fab1a60e1b23de2526f6d7a06b419e8ac8008
+53d0cf1d4aacbea483d0fe99e1bb9b57da70fc2f
+6475b5c9d7efc23a48d0c522d1eb7fecde09bd55
+
+Tested:
+Testing is in progress
+
+Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
+Signed-off-by: Jayaprakash Mutyala <mutyalax.jayaprakash@intel.com>
+---
+ dcmihandler.cpp | 1802 +++++++++++++++++++++--------------------------
+ dcmihandler.hpp | 536 +-------------
+ ipmid-new.cpp | 5 +-
+ 3 files changed, 788 insertions(+), 1555 deletions(-)
+
+diff --git a/dcmihandler.cpp b/dcmihandler.cpp
+index 2ab02f3..e2addb5 100644
+--- a/dcmihandler.cpp
++++ b/dcmihandler.cpp
+@@ -15,745 +15,703 @@
+ #include <sdbusplus/bus.hpp>
+ #include <variant>
+ #include <xyz/openbmc_project/Common/error.hpp>
++#include <xyz/openbmc_project/Network/EthernetInterface/server.hpp>
+
+ using namespace phosphor::logging;
++using sdbusplus::xyz::openbmc_project::Network::server::EthernetInterface;
+ using InternalFailure =
+ sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
+
+ void register_netfn_dcmi_functions() __attribute__((constructor));
+
+-constexpr auto PCAP_PATH = "/xyz/openbmc_project/control/host0/power_cap";
+-constexpr auto PCAP_INTERFACE = "xyz.openbmc_project.Control.Power.Cap";
+-
+-constexpr auto POWER_CAP_PROP = "PowerCap";
+-constexpr auto POWER_CAP_ENABLE_PROP = "PowerCapEnable";
+-
+-constexpr auto DCMI_PARAMETER_REVISION = 2;
+-constexpr auto DCMI_SPEC_MAJOR_VERSION = 1;
+-constexpr auto DCMI_SPEC_MINOR_VERSION = 5;
+-constexpr auto DCMI_CONFIG_PARAMETER_REVISION = 1;
+-constexpr auto DCMI_RAND_BACK_OFF_MASK = 0x80;
+-constexpr auto DCMI_OPTION_60_43_MASK = 0x02;
+-constexpr auto DCMI_OPTION_12_MASK = 0x01;
+-constexpr auto DCMI_ACTIVATE_DHCP_MASK = 0x01;
+-constexpr auto DCMI_ACTIVATE_DHCP_REPLY = 0x00;
+-constexpr auto DCMI_SET_CONF_PARAM_REQ_PACKET_MAX_SIZE = 0x04;
+-constexpr auto DCMI_SET_CONF_PARAM_REQ_PACKET_MIN_SIZE = 0x03;
+-constexpr auto DHCP_TIMING1 = 0x04; // 4 sec
+-constexpr auto DHCP_TIMING2_UPPER = 0x00; // 2 min
+-constexpr auto DHCP_TIMING2_LOWER = 0x78;
+-constexpr auto DHCP_TIMING3_UPPER = 0x00; // 64 sec
+-constexpr auto DHCP_TIMING3_LOWER = 0x40;
+-// When DHCP Option 12 is enabled the string "SendHostName=true" will be
+-// added into n/w configuration file and the parameter
+-// SendHostNameEnabled will set to true.
+-constexpr auto DHCP_OPT12_ENABLED = "SendHostNameEnabled";
++constexpr auto pcapPath = "/xyz/openbmc_project/control/host0/power_cap";
++constexpr auto pcapInterface = "xyz.openbmc_project.Control.Power.Cap";
+
+-constexpr auto SENSOR_VALUE_INTF = "xyz.openbmc_project.Sensor.Value";
+-constexpr auto SENSOR_VALUE_PROP = "Value";
+-constexpr auto SENSOR_SCALE_PROP = "Scale";
++constexpr auto powerCapProp = "PowerCap";
++constexpr auto powerCapEnableProp = "PowerCapEnable";
+
+ using namespace phosphor::logging;
+
+ namespace dcmi
+ {
++constexpr auto assetTagMaxOffset = 62;
++constexpr auto assetTagMaxSize = 63;
++constexpr auto maxBytes = 16;
++constexpr size_t maxCtrlIdStrLen = 63;
++
++constexpr uint8_t parameterRevision = 2;
++constexpr uint8_t specMajorVersion = 1;
++constexpr uint8_t specMinorVersion = 5;
++constexpr auto sensorValueIntf = "xyz.openbmc_project.Sensor.Value";
++constexpr auto sensorValueProp = "Value";
++constexpr uint8_t configParameterRevision = 1;
++constexpr auto option12Mask = 0x01;
++constexpr auto activateDhcpReply = 0x00;
++constexpr uint8_t dhcpTiming1 = 0x04; // 4 sec
++constexpr uint16_t dhcpTiming2 = 0x78; // 120 sec
++constexpr uint16_t dhcpTiming3 = 0x40; // 60 sec
++// When DHCP Option 12 is enabled the string "SendHostName=true" will be
++// added into n/w configuration file and the parameter
++// SendHostNameEnabled will set to true.
++constexpr auto dhcpOpt12Enabled = "SendHostNameEnabled";
++
++enum class DCMIConfigParameters : uint8_t
++{
++ ActivateDHCP = 1,
++ DiscoveryConfig,
++ DHCPTiming1,
++ DHCPTiming2,
++ DHCPTiming3,
++};
+
+ // Refer Table 6-14, DCMI Entity ID Extension, DCMI v1.5 spec
+ static const std::map<uint8_t, std::string> entityIdToName{
+ {0x40, "inlet"}, {0x37, "inlet"}, {0x41, "cpu"},
+ {0x03, "cpu"}, {0x42, "baseboard"}, {0x07, "baseboard"}};
+
+-bool isDCMIPowerMgmtSupported()
++nlohmann::json parseJSONConfig(const std::string& configFile)
+ {
+- auto data = parseJSONConfig(gDCMICapabilitiesConfig);
+-
+- return (gDCMIPowerMgmtSupported == data.value(gDCMIPowerMgmtCapability, 0));
+-}
+-
+-uint32_t getPcap(sdbusplus::bus::bus& bus)
+-{
+- auto settingService = ipmi::getService(bus, PCAP_INTERFACE, PCAP_PATH);
+-
+- auto method = bus.new_method_call(settingService.c_str(), PCAP_PATH,
+- "org.freedesktop.DBus.Properties", "Get");
+-
+- method.append(PCAP_INTERFACE, POWER_CAP_PROP);
+- auto reply = bus.call(method);
++ std::ifstream jsonFile(configFile);
++ if (!jsonFile.is_open())
++ {
++ log<level::ERR>("Temperature readings JSON file not found");
++ elog<InternalFailure>();
++ }
+
+- if (reply.is_method_error())
++ auto data = nlohmann::json::parse(jsonFile, nullptr, false);
++ if (data.is_discarded())
+ {
+- log<level::ERR>("Error in getPcap prop");
++ log<level::ERR>("Temperature readings JSON parser failure");
+ elog<InternalFailure>();
+ }
+- std::variant<uint32_t> pcap;
+- reply.read(pcap);
+
+- return std::get<uint32_t>(pcap);
++ return data;
+ }
+
+-bool getPcapEnabled(sdbusplus::bus::bus& bus)
++bool isDCMIPowerMgmtSupported()
+ {
+- auto settingService = ipmi::getService(bus, PCAP_INTERFACE, PCAP_PATH);
+-
+- auto method = bus.new_method_call(settingService.c_str(), PCAP_PATH,
+- "org.freedesktop.DBus.Properties", "Get");
++ static bool parsed = false;
++ static bool supported = false;
++ if (!parsed)
++ {
++ auto data = parseJSONConfig(gDCMICapabilitiesConfig);
+
+- method.append(PCAP_INTERFACE, POWER_CAP_ENABLE_PROP);
+- auto reply = bus.call(method);
++ supported = (gDCMIPowerMgmtSupported ==
++ data.value(gDCMIPowerMgmtCapability, 0));
++ }
++ return supported;
++}
+
+- if (reply.is_method_error())
++std::optional<uint32_t> getPcap(ipmi::Context::ptr& ctx)
++{
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(ctx, pcapInterface,
++ pcapPath, service);
++ if (ec.value())
+ {
+- log<level::ERR>("Error in getPcapEnabled prop");
++ return std::nullopt;
++ }
++ uint32_t pcap{};
++ ec = ipmi::getDbusProperty(ctx, service, pcapPath, pcapInterface,
++ powerCapProp, pcap);
++ if (ec.value())
++ {
++ log<level::ERR>("Error in getPcap prop",
++ entry("ERROR=%s", ec.message().c_str()));
+ elog<InternalFailure>();
++ return std::nullopt;
+ }
+- std::variant<bool> pcapEnabled;
+- reply.read(pcapEnabled);
+-
+- return std::get<bool>(pcapEnabled);
++ return pcap;
+ }
+
+-void setPcap(sdbusplus::bus::bus& bus, const uint32_t powerCap)
++std::optional<bool> getPcapEnabled(ipmi::Context::ptr& ctx)
+ {
+- auto service = ipmi::getService(bus, PCAP_INTERFACE, PCAP_PATH);
+-
+- auto method = bus.new_method_call(service.c_str(), PCAP_PATH,
+- "org.freedesktop.DBus.Properties", "Set");
+-
+- method.append(PCAP_INTERFACE, POWER_CAP_PROP);
+- method.append(std::variant<uint32_t>(powerCap));
+-
+- auto reply = bus.call(method);
+-
+- if (reply.is_method_error())
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(ctx, pcapInterface,
++ pcapPath, service);
++ if (ec.value())
+ {
+- log<level::ERR>("Error in setPcap property");
++ return std::nullopt;
++ }
++ bool pcapEnabled{};
++ ec = ipmi::getDbusProperty(ctx, service, pcapPath, pcapInterface,
++ powerCapEnableProp, pcapEnabled);
++ if (ec.value())
++ {
++ log<level::ERR>("Error in getPcap prop");
+ elog<InternalFailure>();
++ return std::nullopt;
+ }
++ return pcapEnabled;
+ }
+
+-void setPcapEnable(sdbusplus::bus::bus& bus, bool enabled)
++bool setPcap(ipmi::Context::ptr& ctx, const uint32_t powerCap)
+ {
+- auto service = ipmi::getService(bus, PCAP_INTERFACE, PCAP_PATH);
+-
+- auto method = bus.new_method_call(service.c_str(), PCAP_PATH,
+- "org.freedesktop.DBus.Properties", "Set");
+-
+- method.append(PCAP_INTERFACE, POWER_CAP_ENABLE_PROP);
+- method.append(std::variant<bool>(enabled));
+-
+- auto reply = bus.call(method);
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(ctx, pcapInterface,
++ pcapPath, service);
++ if (ec.value())
++ {
++ return false;
++ }
+
+- if (reply.is_method_error())
++ ec = ipmi::setDbusProperty(ctx, service, pcapPath, pcapInterface,
++ powerCapProp, powerCap);
++ if (ec.value())
+ {
+- log<level::ERR>("Error in setPcapEnabled property");
++ log<level::ERR>("Error in setPcap property",
++ entry("ERROR=%s", ec.message().c_str()));
+ elog<InternalFailure>();
++ return false;
+ }
++ return true;
+ }
+
+-void readAssetTagObjectTree(dcmi::assettag::ObjectTree& objectTree)
++bool setPcapEnable(ipmi::Context::ptr& ctx, bool enabled)
+ {
+- static constexpr auto mapperBusName = "xyz.openbmc_project.ObjectMapper";
+- static constexpr auto mapperObjPath = "/xyz/openbmc_project/object_mapper";
+- static constexpr auto mapperIface = "xyz.openbmc_project.ObjectMapper";
+- static constexpr auto inventoryRoot = "/xyz/openbmc_project/inventory/";
+-
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+- auto depth = 0;
+-
+- auto mapperCall = bus.new_method_call(mapperBusName, mapperObjPath,
+- mapperIface, "GetSubTree");
+-
+- mapperCall.append(inventoryRoot);
+- mapperCall.append(depth);
+- mapperCall.append(std::vector<std::string>({dcmi::assetTagIntf}));
+-
+- auto mapperReply = bus.call(mapperCall);
+- if (mapperReply.is_method_error())
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(ctx, pcapInterface,
++ pcapPath, service);
++ if (ec.value())
+ {
+- log<level::ERR>("Error in mapper call");
+- elog<InternalFailure>();
++ return false;
+ }
+
+- mapperReply.read(objectTree);
+-
+- if (objectTree.empty())
++ ec = ipmi::setDbusProperty(ctx, service, pcapPath, pcapInterface,
++ powerCapEnableProp, enabled);
++ if (ec.value())
+ {
+- log<level::ERR>("AssetTag property is not populated");
++ log<level::ERR>("Error in setPcapEnabled property",
++ entry("ERROR=%s", ec.message().c_str()));
+ elog<InternalFailure>();
++ return false;
+ }
++ return true;
+ }
+
+-std::string readAssetTag()
++std::optional<std::string> readAssetTag(ipmi::Context::ptr& ctx)
+ {
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+- dcmi::assettag::ObjectTree objectTree;
+-
+ // Read the object tree with the inventory root to figure out the object
+ // that has implemented the Asset tag interface.
+- readAssetTagObjectTree(objectTree);
+-
+- auto method = bus.new_method_call(
+- (objectTree.begin()->second.begin()->first).c_str(),
+- (objectTree.begin()->first).c_str(), dcmi::propIntf, "Get");
+- method.append(dcmi::assetTagIntf);
+- method.append(dcmi::assetTagProp);
++ ipmi::DbusObjectInfo objectInfo;
++ boost::system::error_code ec = getDbusObject(
++ ctx, dcmi::assetTagIntf, ipmi::sensor::inventoryRoot, "", objectInfo);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
+
+- auto reply = bus.call(method);
+- if (reply.is_method_error())
++ std::string assetTag{};
++ ec = ipmi::getDbusProperty(ctx, objectInfo.second, objectInfo.first,
++ dcmi::assetTagIntf, dcmi::assetTagProp,
++ assetTag);
++ if (ec.value())
+ {
+- log<level::ERR>("Error in reading asset tag");
++ log<level::ERR>("Error in reading asset tag",
++ entry("ERROR=%s", ec.message().c_str()));
+ elog<InternalFailure>();
++ return std::nullopt;
+ }
+
+- std::variant<std::string> assetTag;
+- reply.read(assetTag);
+-
+- return std::get<std::string>(assetTag);
++ return assetTag;
+ }
+
+-void writeAssetTag(const std::string& assetTag)
++bool writeAssetTag(ipmi::Context::ptr& ctx, const std::string& assetTag)
+ {
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+- dcmi::assettag::ObjectTree objectTree;
+-
+ // Read the object tree with the inventory root to figure out the object
+ // that has implemented the Asset tag interface.
+- readAssetTagObjectTree(objectTree);
+-
+- auto method = bus.new_method_call(
+- (objectTree.begin()->second.begin()->first).c_str(),
+- (objectTree.begin()->first).c_str(), dcmi::propIntf, "Set");
+- method.append(dcmi::assetTagIntf);
+- method.append(dcmi::assetTagProp);
+- method.append(std::variant<std::string>(assetTag));
++ ipmi::DbusObjectInfo objectInfo;
++ boost::system::error_code ec = getDbusObject(
++ ctx, dcmi::assetTagIntf, ipmi::sensor::inventoryRoot, "", objectInfo);
++ if (ec.value())
++ {
++ return false;
++ }
+
+- auto reply = bus.call(method);
+- if (reply.is_method_error())
++ ec = ipmi::setDbusProperty(ctx, objectInfo.second, objectInfo.first,
++ dcmi::assetTagIntf, dcmi::assetTagProp,
++ assetTag);
++ if (ec.value())
+ {
+- log<level::ERR>("Error in writing asset tag");
++ log<level::ERR>("Error in writing asset tag",
++ entry("ERROR=%s", ec.message().c_str()));
+ elog<InternalFailure>();
++ return false;
+ }
++ return true;
+ }
+
+-std::string getHostName(void)
++std::optional<std::string> getHostName(ipmi::Context::ptr& ctx)
+ {
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+-
+- auto service = ipmi::getService(bus, networkConfigIntf, networkConfigObj);
+- auto value = ipmi::getDbusProperty(bus, service, networkConfigObj,
+- networkConfigIntf, hostNameProp);
+-
+- return std::get<std::string>(value);
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(ctx, networkConfigIntf,
++ networkConfigObj, service);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
++ std::string hostname{};
++ ec = ipmi::getDbusProperty(ctx, service, networkConfigObj,
++ networkConfigIntf, hostNameProp, hostname);
++ if (ec.value())
++ {
++ log<level::ERR>("Error fetching hostname");
++ elog<InternalFailure>();
++ return std::nullopt;
++ }
++ return hostname;
+ }
+
+-bool getDHCPEnabled()
++std::optional<EthernetInterface::DHCPConf>
++ getDHCPEnabled(ipmi::Context::ptr& ctx)
+ {
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+-
+ auto ethdevice = ipmi::getChannelName(ethernetDefaultChannelNum);
+- auto ethernetObj =
+- ipmi::getDbusObject(bus, ethernetIntf, networkRoot, ethdevice);
+- auto service = ipmi::getService(bus, ethernetIntf, ethernetObj.first);
+- auto value = ipmi::getDbusProperty(bus, service, ethernetObj.first,
+- ethernetIntf, "DHCPEnabled");
+-
+- return std::get<bool>(value);
+-}
+-
+-bool getDHCPOption(std::string prop)
+-{
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+-
+- auto service = ipmi::getService(bus, dhcpIntf, dhcpObj);
+- auto value = ipmi::getDbusProperty(bus, service, dhcpObj, dhcpIntf, prop);
++ ipmi::DbusObjectInfo ethernetObj{};
++ boost::system::error_code ec = ipmi::getDbusObject(
++ ctx, ethernetIntf, networkRoot, ethdevice, ethernetObj);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
++ std::string service{};
++ ec = ipmi::getService(ctx, ethernetIntf, ethernetObj.first, service);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
++ std::string dhcpVal{};
++ ec = ipmi::getDbusProperty(ctx, service, ethernetObj.first, ethernetIntf,
++ "DHCPEnabled", dhcpVal);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
+
+- return std::get<bool>(value);
++ return EthernetInterface::convertDHCPConfFromString(dhcpVal);
+ }
+
+-void setDHCPOption(std::string prop, bool value)
++std::optional<bool> getDHCPOption(ipmi::Context::ptr& ctx,
++ const std::string& prop)
+ {
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
++ std::string service;
++ boost::system::error_code ec = ipmi::getService(ctx, dhcpIntf, dhcpObj,
++ service);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
++ bool value{};
++ ec = ipmi::getDbusProperty(ctx, service, dhcpObj, dhcpIntf, prop, value);
++ if (ec.value())
++ {
++ return std::nullopt;
++ }
+
+- auto service = ipmi::getService(bus, dhcpIntf, dhcpObj);
+- ipmi::setDbusProperty(bus, service, dhcpObj, dhcpIntf, prop, value);
++ return value;
+ }
+
+-Json parseJSONConfig(const std::string& configFile)
++bool setDHCPOption(ipmi::Context::ptr& ctx, std::string prop, bool value)
+ {
+- std::ifstream jsonFile(configFile);
+- if (!jsonFile.is_open())
++ std::string service;
++ boost::system::error_code ec = ipmi::getService(ctx, dhcpIntf, dhcpObj,
++ service);
++ if (!ec.value())
+ {
+- log<level::ERR>("Temperature readings JSON file not found");
+- elog<InternalFailure>();
++ ec = ipmi::setDbusProperty(ctx, service, dhcpObj, dhcpIntf, prop,
++ value);
+ }
+-
+- auto data = Json::parse(jsonFile, nullptr, false);
+- if (data.is_discarded())
+- {
+- log<level::ERR>("Temperature readings JSON parser failure");
+- elog<InternalFailure>();
+- }
+-
+- return data;
++ return (!ec.value());
+ }
+
+ } // namespace dcmi
+
+-ipmi_ret_t getPowerLimit(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++constexpr uint8_t exceptionPowerOff = 0x01;
++ipmi::RspType<uint16_t, // reserved
++ uint8_t, // exception actions
++ uint16_t, // power limit requested in watts
++ uint32_t, // correction time in milliseconds
++ uint16_t, // reserved
++ uint16_t // statistics sampling period in seconds
++ >
++ getPowerLimit(ipmi::Context::ptr ctx, uint16_t reserved)
+ {
+ if (!dcmi::isDCMIPowerMgmtSupported())
+ {
+- *data_len = 0;
+- log<level::ERR>("DCMI Power management is unsupported!");
+- return IPMI_CC_INVALID;
++ return ipmi::responseInvalidCommand();
+ }
+-
+- std::vector<uint8_t> outPayload(sizeof(dcmi::GetPowerLimitResponse));
+- auto responseData =
+- reinterpret_cast<dcmi::GetPowerLimitResponse*>(outPayload.data());
+-
+- sdbusplus::bus::bus sdbus{ipmid_get_sd_bus_connection()};
+- uint32_t pcapValue = 0;
+- bool pcapEnable = false;
+-
+- try
++ if (reserved)
+ {
+- pcapValue = dcmi::getPcap(sdbus);
+- pcapEnable = dcmi::getPcapEnabled(sdbus);
++ return ipmi::responseInvalidFieldRequest();
+ }
+- catch (const InternalFailure& e)
++
++ std::optional<uint16_t> pcapValue = dcmi::getPcap(ctx);
++ std::optional<bool> pcapEnable = dcmi::getPcapEnabled(ctx);
++ if (!pcapValue || !pcapEnable)
+ {
+- *data_len = 0;
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
+
++ constexpr uint16_t reserved1{};
++ constexpr uint16_t reserved2{};
+ /*
+ * Exception action if power limit is exceeded and cannot be controlled
+ * with the correction time limit is hardcoded to Hard Power Off system
+ * and log event to SEL.
+ */
+- constexpr auto exception = 0x01;
+- responseData->exceptionAction = exception;
+-
+- responseData->powerLimit = static_cast<uint16_t>(pcapValue);
+-
++ constexpr uint8_t exception = exceptionPowerOff;
+ /*
+ * Correction time limit and Statistics sampling period is currently not
+ * populated.
+ */
+-
+- *data_len = outPayload.size();
+- memcpy(response, outPayload.data(), *data_len);
+-
+- if (pcapEnable)
++ constexpr uint32_t correctionTime{};
++ constexpr uint16_t statsPeriod{};
++ if (!pcapEnable)
+ {
+- return IPMI_CC_OK;
+- }
+- else
+- {
+- return IPMI_DCMI_CC_NO_ACTIVE_POWER_LIMIT;
++ constexpr ipmi::Cc responseNoPowerLimitSet = 0x80;
++ constexpr uint16_t noPcap{};
++ return ipmi::response(responseNoPowerLimitSet, reserved1, exception,
++ noPcap, correctionTime, reserved2, statsPeriod);
+ }
++ return ipmi::responseSuccess(reserved1, exception, *pcapValue,
++ correctionTime, reserved2, statsPeriod);
+ }
+
+-ipmi_ret_t setPowerLimit(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<> setPowerLimit(ipmi::Context::ptr& ctx, uint16_t reserved1,
++ uint8_t exceptionAction, uint16_t powerLimit,
++ uint32_t correctionTime, uint16_t reserved2,
++ uint16_t statsPeriod)
+ {
+ if (!dcmi::isDCMIPowerMgmtSupported())
+ {
+- *data_len = 0;
+ log<level::ERR>("DCMI Power management is unsupported!");
+- return IPMI_CC_INVALID;
++ return ipmi::responseInvalidCommand();
+ }
+
+- auto requestData =
+- reinterpret_cast<const dcmi::SetPowerLimitRequest*>(request);
+-
+- sdbusplus::bus::bus sdbus{ipmid_get_sd_bus_connection()};
+-
+- // Only process the power limit requested in watts.
+- try
++ // Only process the power limit requested in watts. Return errors
++ // for other fields that are set
++ if (reserved1 || reserved2 || correctionTime || statsPeriod ||
++ exceptionAction != exceptionPowerOff)
+ {
+- dcmi::setPcap(sdbus, requestData->powerLimit);
++ return ipmi::responseInvalidFieldRequest();
+ }
+- catch (const InternalFailure& e)
++
++ if (!dcmi::setPcap(ctx, powerLimit))
+ {
+- *data_len = 0;
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
+
+- log<level::INFO>("Set Power Cap",
+- entry("POWERCAP=%u", requestData->powerLimit));
++ log<level::INFO>("Set Power Cap", entry("POWERCAP=%u", powerLimit));
+
+- *data_len = 0;
+- return IPMI_CC_OK;
++ return ipmi::responseSuccess();
+ }
+
+-ipmi_ret_t applyPowerLimit(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<> applyPowerLimit(ipmi::Context::ptr& ctx, bool enabled,
++ uint7_t reserved1, uint16_t reserved2)
+ {
+ if (!dcmi::isDCMIPowerMgmtSupported())
+ {
+- *data_len = 0;
+ log<level::ERR>("DCMI Power management is unsupported!");
+- return IPMI_CC_INVALID;
++ return ipmi::responseInvalidCommand();
+ }
+-
+- auto requestData =
+- reinterpret_cast<const dcmi::ApplyPowerLimitRequest*>(request);
+-
+- sdbusplus::bus::bus sdbus{ipmid_get_sd_bus_connection()};
+-
+- try
++ if (reserved1 || reserved2)
+ {
+- dcmi::setPcapEnable(sdbus,
+- static_cast<bool>(requestData->powerLimitAction));
++ return ipmi::responseInvalidFieldRequest();
+ }
+- catch (const InternalFailure& e)
++
++ if (!dcmi::setPcapEnable(ctx, enabled))
+ {
+- *data_len = 0;
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
+
+ log<level::INFO>("Set Power Cap Enable",
+- entry("POWERCAPENABLE=%u", requestData->powerLimitAction));
++ entry("POWERCAPENABLE=%u", static_cast<uint8_t>(enabled)));
+
+- *data_len = 0;
+- return IPMI_CC_OK;
++ return ipmi::responseSuccess();
+ }
+
+-ipmi_ret_t getAssetTag(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<uint8_t, // total tag length
++ std::vector<char> // tag data
++ >
++ getAssetTag(ipmi::Context::ptr& ctx, uint8_t offset, uint8_t count)
+ {
+- auto requestData =
+- reinterpret_cast<const dcmi::GetAssetTagRequest*>(request);
+- std::vector<uint8_t> outPayload(sizeof(dcmi::GetAssetTagResponse));
+- auto responseData =
+- reinterpret_cast<dcmi::GetAssetTagResponse*>(outPayload.data());
+-
+- // Verify offset to read and number of bytes to read are not exceeding the
+- // range.
+- if ((requestData->offset > dcmi::assetTagMaxOffset) ||
+- (requestData->bytes > dcmi::maxBytes) ||
+- ((requestData->offset + requestData->bytes) > dcmi::assetTagMaxSize))
+- {
+- *data_len = 0;
+- return IPMI_CC_PARM_OUT_OF_RANGE;
+- }
+-
+- std::string assetTag;
+-
+- try
+- {
+- assetTag = dcmi::readAssetTag();
+- }
+- catch (const InternalFailure& e)
++ // Verify offset to read and number of bytes to read are not exceeding
++ // the range.
++ if ((offset > dcmi::assetTagMaxOffset) || (count > dcmi::maxBytes) ||
++ ((offset + count) > dcmi::assetTagMaxSize))
+ {
+- *data_len = 0;
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseParmOutOfRange();
+ }
+
+- // Return if the asset tag is not populated.
+- if (!assetTag.size())
++ std::optional<std::string> assetTagResp = dcmi::readAssetTag(ctx);
++ if (!assetTagResp)
+ {
+- responseData->tagLength = 0;
+- memcpy(response, outPayload.data(), outPayload.size());
+- *data_len = outPayload.size();
+- return IPMI_CC_OK;
++ return ipmi::responseUnspecifiedError();
+ }
+
+- // If the asset tag is longer than 63 bytes, restrict it to 63 bytes to suit
+- // Get Asset Tag command.
++ std::string& assetTag = assetTagResp.value();
++ // If the asset tag is longer than 63 bytes, restrict it to 63 bytes to
++ // suit Get Asset Tag command.
+ if (assetTag.size() > dcmi::assetTagMaxSize)
+ {
+ assetTag.resize(dcmi::assetTagMaxSize);
+ }
+
+- // If the requested offset is beyond the asset tag size.
+- if (requestData->offset >= assetTag.size())
++ if (offset >= assetTag.size())
+ {
+- *data_len = 0;
+- return IPMI_CC_PARM_OUT_OF_RANGE;
++ return ipmi::responseParmOutOfRange();
+ }
+
+- auto returnData = assetTag.substr(requestData->offset, requestData->bytes);
+-
+- responseData->tagLength = assetTag.size();
++ // silently truncate reads beyond the end of assetTag
++ if ((offset + count) >= assetTag.size())
++ {
++ count = assetTag.size() - offset;
++ }
+
+- memcpy(response, outPayload.data(), outPayload.size());
+- memcpy(static_cast<uint8_t*>(response) + outPayload.size(),
+- returnData.data(), returnData.size());
+- *data_len = outPayload.size() + returnData.size();
++ auto totalTagSize = static_cast<uint8_t>(assetTag.size());
++ std::vector<char> data{assetTag.begin() + offset,
++ assetTag.begin() + offset + count};
+
+- return IPMI_CC_OK;
++ return ipmi::responseSuccess(totalTagSize, data);
+ }
+
+-ipmi_ret_t setAssetTag(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<uint8_t // new asset tag length
++ >
++ setAssetTag(ipmi::Context::ptr& ctx, uint8_t offset, uint8_t count,
++ const std::vector<char>& data)
+ {
+- auto requestData =
+- reinterpret_cast<const dcmi::SetAssetTagRequest*>(request);
+- std::vector<uint8_t> outPayload(sizeof(dcmi::SetAssetTagResponse));
+- auto responseData =
+- reinterpret_cast<dcmi::SetAssetTagResponse*>(outPayload.data());
+-
+- // Verify offset to read and number of bytes to read are not exceeding the
+- // range.
+- if ((requestData->offset > dcmi::assetTagMaxOffset) ||
+- (requestData->bytes > dcmi::maxBytes) ||
+- ((requestData->offset + requestData->bytes) > dcmi::assetTagMaxSize))
++ // Verify offset to read and number of bytes to read are not exceeding
++ // the range.
++ if ((offset > dcmi::assetTagMaxOffset) || (count > dcmi::maxBytes) ||
++ ((offset + count) > dcmi::assetTagMaxSize))
+ {
+- *data_len = 0;
+- return IPMI_CC_PARM_OUT_OF_RANGE;
++ return ipmi::responseParmOutOfRange();
+ }
+-
+- std::string assetTag;
+-
+- try
++ if (data.size() != count)
+ {
+- assetTag = dcmi::readAssetTag();
++ return ipmi::responseReqDataLenInvalid();
++ }
+
+- if (requestData->offset > assetTag.size())
+- {
+- *data_len = 0;
+- return IPMI_CC_PARM_OUT_OF_RANGE;
+- }
++ std::optional<std::string> assetTagResp = dcmi::readAssetTag(ctx);
++ if (!assetTagResp)
++ {
++ return ipmi::responseUnspecifiedError();
++ }
+
+- assetTag.replace(requestData->offset,
+- assetTag.size() - requestData->offset,
+- static_cast<const char*>(request) +
+- sizeof(dcmi::SetAssetTagRequest),
+- requestData->bytes);
++ std::string& assetTag = assetTagResp.value();
+
+- dcmi::writeAssetTag(assetTag);
++ if (offset > assetTag.size())
++ {
++ return ipmi::responseParmOutOfRange();
++ }
+
+- responseData->tagLength = assetTag.size();
+- memcpy(response, outPayload.data(), outPayload.size());
+- *data_len = outPayload.size();
++ // operation is to truncate at offset and append new data
++ assetTag.resize(offset);
++ assetTag.append(data.begin(), data.end());
+
+- return IPMI_CC_OK;
+- }
+- catch (const InternalFailure& e)
++ if (!dcmi::writeAssetTag(ctx, assetTag))
+ {
+- *data_len = 0;
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
++
++ auto totalTagSize = static_cast<uint8_t>(assetTag.size());
++ return ipmi::responseSuccess(totalTagSize);
+ }
+
+-ipmi_ret_t getMgmntCtrlIdStr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<uint8_t, // length
++ std::vector<char> // data
++ >
++ getMgmntCtrlIdStr(ipmi::Context::ptr& ctx, uint8_t offset, uint8_t count)
+ {
+- auto requestData =
+- reinterpret_cast<const dcmi::GetMgmntCtrlIdStrRequest*>(request);
+- auto responseData =
+- reinterpret_cast<dcmi::GetMgmntCtrlIdStrResponse*>(response);
+- std::string hostName;
+-
+- *data_len = 0;
++ if (count > dcmi::maxBytes || offset + count > dcmi::maxCtrlIdStrLen)
++ {
++ return ipmi::responseParmOutOfRange();
++ }
+
+- if (requestData->bytes > dcmi::maxBytes ||
+- requestData->offset + requestData->bytes > dcmi::maxCtrlIdStrLen)
++ std::optional<std::string> hostnameResp = dcmi::getHostName(ctx);
++ if (!hostnameResp)
+ {
+- return IPMI_CC_INVALID_FIELD_REQUEST;
++ return ipmi::responseUnspecifiedError();
+ }
+
+- try
++ std::string& hostname = hostnameResp.value();
++ // If the id string is longer than 63 bytes, restrict it to 63 bytes to
++ // suit set management ctrl str command.
++ if (hostname.size() > dcmi::maxCtrlIdStrLen)
+ {
+- hostName = dcmi::getHostName();
++ hostname.resize(dcmi::maxCtrlIdStrLen);
+ }
+- catch (const InternalFailure& e)
++
++ if (offset >= hostname.size())
+ {
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseParmOutOfRange();
+ }
+
+- if (requestData->offset > hostName.length())
++ // silently truncate reads beyond the end of hostname
++ if ((offset + count) >= hostname.size())
+ {
+- return IPMI_CC_PARM_OUT_OF_RANGE;
++ count = hostname.size() - offset;
+ }
+- auto responseStr = hostName.substr(requestData->offset, requestData->bytes);
+- auto responseStrLen = std::min(static_cast<std::size_t>(requestData->bytes),
+- responseStr.length() + 1);
+- responseData->strLen = hostName.length();
+- std::copy(begin(responseStr), end(responseStr), responseData->data);
+
+- *data_len = sizeof(*responseData) + responseStrLen;
+- return IPMI_CC_OK;
++ auto nameSize = static_cast<uint8_t>(hostname.size());
++ std::vector<char> data{hostname.begin() + offset,
++ hostname.begin() + offset + count};
++
++ return ipmi::responseSuccess(nameSize, data);
+ }
+
+-ipmi_ret_t setMgmntCtrlIdStr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<uint8_t> setMgmntCtrlIdStr(ipmi::Context::ptr& ctx,
++ uint8_t offset, uint8_t count,
++ std::vector<char> data)
+ {
+- static std::array<char, dcmi::maxCtrlIdStrLen + 1> newCtrlIdStr;
+-
+- auto requestData =
+- reinterpret_cast<const dcmi::SetMgmntCtrlIdStrRequest*>(request);
+- auto responseData =
+- reinterpret_cast<dcmi::SetMgmntCtrlIdStrResponse*>(response);
+-
+- *data_len = 0;
+-
+- if (requestData->bytes > dcmi::maxBytes ||
+- requestData->offset + requestData->bytes > dcmi::maxCtrlIdStrLen + 1 ||
+- (requestData->offset + requestData->bytes ==
+- dcmi::maxCtrlIdStrLen + 1 &&
+- requestData->data[requestData->bytes - 1] != '\0'))
++ if ((offset > dcmi::maxCtrlIdStrLen) || (count > dcmi::maxBytes) ||
++ ((offset + count) > dcmi::maxCtrlIdStrLen))
+ {
+- return IPMI_CC_INVALID_FIELD_REQUEST;
++ return ipmi::responseParmOutOfRange();
++ }
++ if (data.size() != count)
++ {
++ return ipmi::responseReqDataLenInvalid();
++ }
++ bool terminalWrite{data.back() == '\0'};
++ if (terminalWrite)
++ {
++ // remove the null termination from the data (no need with std::string)
++ data.resize(count - 1);
+ }
+
+- try
++ static std::string hostname{};
++ // read in the current value if not starting at offset 0
++ if (hostname.size() == 0 && offset != 0)
+ {
+- /* if there is no old value and offset is not 0 */
+- if (newCtrlIdStr[0] == '\0' && requestData->offset != 0)
++ /* read old ctrlIdStr */
++ std::optional<std::string> hostnameResp = dcmi::getHostName(ctx);
++ if (!hostnameResp)
+ {
+- /* read old ctrlIdStr */
+- auto hostName = dcmi::getHostName();
+- hostName.resize(dcmi::maxCtrlIdStrLen);
+- std::copy(begin(hostName), end(hostName), begin(newCtrlIdStr));
+- newCtrlIdStr[hostName.length()] = '\0';
++ return ipmi::responseUnspecifiedError();
+ }
++ hostname = hostnameResp.value();
++ hostname.resize(offset);
++ }
+
+- /* replace part of string and mark byte after the last as \0 */
+- auto restStrIter =
+- std::copy_n(requestData->data, requestData->bytes,
+- begin(newCtrlIdStr) + requestData->offset);
+- /* if the last written byte is not 64th - add '\0' */
+- if (requestData->offset + requestData->bytes <= dcmi::maxCtrlIdStrLen)
+- {
+- *restStrIter = '\0';
+- }
++ // operation is to truncate at offset and append new data
++ hostname.append(data.begin(), data.end());
+
+- /* if input data contains '\0' whole string is sent - update hostname */
+- auto it = std::find(requestData->data,
+- requestData->data + requestData->bytes, '\0');
+- if (it != requestData->data + requestData->bytes)
++ // do the update if this is the last write
++ if (terminalWrite)
++ {
++ boost::system::error_code ec = ipmi::setDbusProperty(
++ ctx, dcmi::networkServiceName, dcmi::networkConfigObj,
++ dcmi::networkConfigIntf, dcmi::hostNameProp, hostname);
++ hostname.clear();
++ if (ec.value())
+ {
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+- ipmi::setDbusProperty(bus, dcmi::networkServiceName,
+- dcmi::networkConfigObj,
+- dcmi::networkConfigIntf, dcmi::hostNameProp,
+- std::string(newCtrlIdStr.data()));
++ return ipmi::responseUnspecifiedError();
+ }
+ }
+- catch (const InternalFailure& e)
+- {
+- *data_len = 0;
+- return IPMI_CC_UNSPECIFIED_ERROR;
+- }
+
+- responseData->offset = requestData->offset + requestData->bytes;
+- *data_len = sizeof(*responseData);
+- return IPMI_CC_OK;
++ auto totalIdSize = static_cast<uint8_t>(offset + count);
++ return ipmi::responseSuccess(totalIdSize);
+ }
+
+-// List of the capabilities under each parameter
+-dcmi::DCMICaps dcmiCaps = {
+- // Supported DCMI Capabilities
+- {dcmi::DCMICapParameters::SUPPORTED_DCMI_CAPS,
+- {3,
+- {{"PowerManagement", 2, 0, 1},
+- {"OOBSecondaryLan", 3, 2, 1},
+- {"SerialTMODE", 3, 1, 1},
+- {"InBandSystemInterfaceChannel", 3, 0, 1}}}},
+- // Mandatory Platform Attributes
+- {dcmi::DCMICapParameters::MANDATORY_PLAT_ATTRIBUTES,
+- {5,
+- {{"SELAutoRollOver", 1, 15, 1},
+- {"FlushEntireSELUponRollOver", 1, 14, 1},
+- {"RecordLevelSELFlushUponRollOver", 1, 13, 1},
+- {"NumberOfSELEntries", 1, 0, 12},
+- {"TempMonitoringSamplingFreq", 5, 0, 8}}}},
+- // Optional Platform Attributes
+- {dcmi::DCMICapParameters::OPTIONAL_PLAT_ATTRIBUTES,
+- {2,
+- {{"PowerMgmtDeviceSlaveAddress", 1, 1, 7},
+- {"BMCChannelNumber", 2, 4, 4},
+- {"DeviceRivision", 2, 0, 4}}}},
+- // Manageability Access Attributes
+- {dcmi::DCMICapParameters::MANAGEABILITY_ACCESS_ATTRIBUTES,
+- {3,
+- {{"MandatoryPrimaryLanOOBSupport", 1, 0, 8},
+- {"OptionalSecondaryLanOOBSupport", 2, 0, 8},
+- {"OptionalSerialOOBMTMODECapability", 3, 0, 8}}}}};
+-
+-ipmi_ret_t getDCMICapabilities(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<ipmi::message::Payload> getDCMICapabilities(uint8_t parameter)
+ {
+-
+ std::ifstream dcmiCapFile(dcmi::gDCMICapabilitiesConfig);
+ if (!dcmiCapFile.is_open())
+ {
+ log<level::ERR>("DCMI Capabilities file not found");
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
+
+ auto data = nlohmann::json::parse(dcmiCapFile, nullptr, false);
+ if (data.is_discarded())
+ {
+ log<level::ERR>("DCMI Capabilities JSON parser failure");
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
+
+- auto requestData =
+- reinterpret_cast<const dcmi::GetDCMICapRequest*>(request);
++ constexpr bool reserved1{};
++ constexpr uint5_t reserved5{};
++ constexpr uint7_t reserved7{};
++ constexpr uint8_t reserved8{};
++ constexpr uint16_t reserved16{};
+
+- // get list of capabilities in a parameter
+- auto caps =
+- dcmiCaps.find(static_cast<dcmi::DCMICapParameters>(requestData->param));
+- if (caps == dcmiCaps.end())
+- {
+- log<level::ERR>("Invalid input parameter");
+- return IPMI_CC_INVALID_FIELD_REQUEST;
+- }
++ ipmi::message::Payload payload;
++ payload.pack(dcmi::specMajorVersion, dcmi::specMinorVersion,
++ dcmi::parameterRevision);
+
+- auto responseData = reinterpret_cast<dcmi::GetDCMICapResponse*>(response);
++ enum class DCMICapParameters : uint8_t
++ {
++ SupportedDcmiCaps = 0x01, // Supported DCMI Capabilities
++ MandatoryPlatAttributes = 0x02, // Mandatory Platform Attributes
++ OptionalPlatAttributes = 0x03, // Optional Platform Attributes
++ ManageabilityAccessAttributes = 0x04, // Manageability Access Attributes
++ };
+
+- // For each capabilities in a parameter fill the data from
+- // the json file based on the capability name.
+- for (auto cap : caps->second.capList)
++ switch (static_cast<DCMICapParameters>(parameter))
+ {
+- // If the data is beyond first byte boundary, insert in a
+- // 16bit pattern for example number of SEL entries are represented
+- // in 12bits.
+- if ((cap.length + cap.position) > dcmi::gByteBitSize)
++ case DCMICapParameters::SupportedDcmiCaps:
+ {
+- uint16_t val = data.value(cap.name.c_str(), 0);
+- // According to DCMI spec v1.5, max number of SEL entries is
+- // 4096, but bit 12b of DCMI capabilities Mandatory Platform
+- // Attributes field is reserved and therefore we can use only
+- // the provided 12 bits with maximum value of 4095.
+- // We're playing safe here by applying the mask
+- // to ensure that provided value will fit into 12 bits.
+- if (cap.length > dcmi::gByteBitSize)
+- {
+- val &= dcmi::gMaxSELEntriesMask;
+- }
+- val <<= cap.position;
+- responseData->data[cap.bytePosition - 1] |=
+- static_cast<uint8_t>(val);
+- responseData->data[cap.bytePosition] |= val >> dcmi::gByteBitSize;
++ bool powerManagement = data.value("PowerManagement", 0);
++ bool oobSecondaryLan = data.value("OOBSecondaryLan", 0);
++ bool serialTMode = data.value("SerialTMODE", 0);
++ bool inBandSystemInterfaceChannel =
++ data.value("InBandSystemInterfaceChannel", 0);
++ payload.pack(reserved8, powerManagement, reserved7,
++ inBandSystemInterfaceChannel, serialTMode,
++ oobSecondaryLan, reserved5);
++ break;
++ }
++ // Mandatory Platform Attributes
++ case DCMICapParameters::MandatoryPlatAttributes:
++ {
++ bool selAutoRollOver = data.value("SELAutoRollOver", 0);
++ bool flushEntireSELUponRollOver =
++ data.value("FlushEntireSELUponRollOver", 0);
++ bool recordLevelSELFlushUponRollOver =
++ data.value("RecordLevelSELFlushUponRollOver", 0);
++ uint12_t numberOfSELEntries = data.value("NumberOfSELEntries",
++ 0xcac);
++ uint8_t tempMonitoringSamplingFreq =
++ data.value("TempMonitoringSamplingFreq", 0);
++ payload.pack(numberOfSELEntries, reserved1,
++ recordLevelSELFlushUponRollOver,
++ flushEntireSELUponRollOver, selAutoRollOver,
++ reserved16, tempMonitoringSamplingFreq);
++ break;
++ }
++ // Optional Platform Attributes
++ case DCMICapParameters::OptionalPlatAttributes:
++ {
++ uint7_t powerMgmtDeviceSlaveAddress =
++ data.value("PowerMgmtDeviceSlaveAddress", 0);
++ uint4_t bmcChannelNumber = data.value("BMCChannelNumber", 0);
++ uint4_t deviceRivision = data.value("DeviceRivision", 0);
++ payload.pack(powerMgmtDeviceSlaveAddress, reserved1, deviceRivision,
++ bmcChannelNumber);
++ break;
+ }
+- else
++ // Manageability Access Attributes
++ case DCMICapParameters::ManageabilityAccessAttributes:
+ {
+- responseData->data[cap.bytePosition - 1] |=
+- data.value(cap.name.c_str(), 0) << cap.position;
++ uint8_t mandatoryPrimaryLanOOBSupport =
++ data.value("MandatoryPrimaryLanOOBSupport", 0xff);
++ uint8_t optionalSecondaryLanOOBSupport =
++ data.value("OptionalSecondaryLanOOBSupport", 0xff);
++ uint8_t optionalSerialOOBMTMODECapability =
++ data.value("OptionalSerialOOBMTMODECapability", 0xff);
++ payload.pack(mandatoryPrimaryLanOOBSupport,
++ optionalSecondaryLanOOBSupport,
++ optionalSerialOOBMTMODECapability);
++ break;
++ }
++ default:
++ {
++ log<level::ERR>("Invalid input parameter");
++ return ipmi::responseInvalidFieldRequest();
+ }
+ }
+
+- responseData->major = DCMI_SPEC_MAJOR_VERSION;
+- responseData->minor = DCMI_SPEC_MINOR_VERSION;
+- responseData->paramRevision = DCMI_PARAMETER_REVISION;
+- *data_len = sizeof(*responseData) + caps->second.size;
+-
+- return IPMI_CC_OK;
++ return ipmi::responseSuccess(payload);
+ }
+
+ namespace dcmi
+@@ -761,20 +719,25 @@ namespace dcmi
+ namespace temp_readings
+ {
+
+-Temperature readTemp(const std::string& dbusService,
+- const std::string& dbusPath)
++std::tuple<bool, bool, uint8_t> readTemp(ipmi::Context::ptr& ctx,
++ const std::string& dbusService,
++ const std::string& dbusPath)
+ {
+ // Read the temperature value from d-bus object. Need some conversion.
+- // As per the interface xyz.openbmc_project.Sensor.Value, the temperature
+- // is an double and in degrees C. It needs to be scaled by using the
+- // formula Value * 10^Scale. The ipmi spec has the temperature as a uint8_t,
+- // with a separate single bit for the sign.
+-
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+- auto result = ipmi::getAllDbusProperties(
+- bus, dbusService, dbusPath, "xyz.openbmc_project.Sensor.Value");
+- auto temperature =
+- std::visit(ipmi::VariantToDoubleVisitor(), result.at("Value"));
++ // As per the interface xyz.openbmc_project.Sensor.Value, the
++ // temperature is an double and in degrees C. It needs to be scaled by
++ // using the formula Value * 10^Scale. The ipmi spec has the temperature
++ // as a uint8_t, with a separate single bit for the sign.
++
++ ipmi::PropertyMap result{};
++ boost::system::error_code ec = ipmi::getAllDbusProperties(
++ ctx, dbusService, dbusPath, "xyz.openbmc_project.Sensor.Value", result);
++ if (ec.value())
++ {
++ return std::make_tuple(false, false, 0);
++ }
++ auto temperature = std::visit(ipmi::VariantToDoubleVisitor(),
++ result.at("Value"));
+ double absTemp = std::abs(temperature);
+
+ auto findFactor = result.find("Scale");
+@@ -786,199 +749,222 @@ Temperature readTemp(const std::string& dbusService,
+ double scale = std::pow(10, factor);
+
+ auto tempDegrees = absTemp * scale;
+- // Max absolute temp as per ipmi spec is 128.
++ // Max absolute temp as per ipmi spec is 127.
++ constexpr auto maxTemp = 127;
+ if (tempDegrees > maxTemp)
+ {
+ tempDegrees = maxTemp;
+ }
+
+- return std::make_tuple(static_cast<uint8_t>(tempDegrees),
+- (temperature < 0));
++ return std::make_tuple(true, (temperature < 0),
++ static_cast<uint8_t>(tempDegrees));
+ }
+
+-std::tuple<Response, NumInstances> read(const std::string& type,
+- uint8_t instance)
++std::tuple<std::vector<std::tuple<uint7_t, bool, uint8_t>>, uint8_t>
++ read(ipmi::Context::ptr& ctx, const std::string& type, uint8_t instance,
++ size_t count)
+ {
+- Response response{};
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+-
+- if (!instance)
+- {
+- log<level::ERR>("Expected non-zero instance");
+- elog<InternalFailure>();
+- }
++ std::vector<std::tuple<uint7_t, bool, uint8_t>> response{};
+
+ auto data = parseJSONConfig(gDCMISensorsConfig);
+- static const std::vector<Json> empty{};
+- std::vector<Json> readings = data.value(type, empty);
+- size_t numInstances = readings.size();
++ static const std::vector<nlohmann::json> empty{};
++ std::vector<nlohmann::json> readings = data.value(type, empty);
+ for (const auto& j : readings)
+ {
++ // Max of 8 response data sets
++ if (response.size() == count)
++ {
++ break;
++ }
++
+ uint8_t instanceNum = j.value("instance", 0);
+- // Not the instance we're interested in
+- if (instanceNum != instance)
++ // Not in the instance range we're interested in
++ if (instanceNum < instance)
+ {
+ continue;
+ }
+
+ std::string path = j.value("dbus", "");
+- std::string service;
+- try
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(
++ ctx, "xyz.openbmc_project.Sensor.Value", path, service);
++ if (ec.value())
+ {
+- service =
+- ipmi::getService(bus, "xyz.openbmc_project.Sensor.Value", path);
++ // not found on dbus
++ continue;
+ }
+- catch (const std::exception& e)
++
++ const auto& [ok, sign, temp] = readTemp(ctx, service, path);
++ if (ok)
+ {
+- log<level::DEBUG>(e.what());
+- return std::make_tuple(response, numInstances);
++ response.emplace_back(uint7_t{temp}, sign, instanceNum);
+ }
++ }
+
+- response.instance = instance;
+- uint8_t temp{};
+- bool sign{};
+- std::tie(temp, sign) = readTemp(service, path);
+- response.temperature = temp;
+- response.sign = sign;
++ auto totalInstances =
++ static_cast<uint8_t>(std::min(readings.size(), maxInstances));
++ return std::make_tuple(response, totalInstances);
++}
+
+- // Found the instance we're interested in
+- break;
++} // namespace temp_readings
++} // namespace dcmi
++
++ipmi::RspType<uint8_t, // total instances for entity id
++ uint8_t, // number of instances in this reply
++ std::vector< // zero or more of the following two bytes
++ std::tuple<uint7_t, // temperature value
++ bool, // sign bit
++ uint8_t // entity instance
++ >>>
++ getTempReadings(ipmi::Context::ptr& ctx, uint8_t sensorType,
++ uint8_t entityId, uint8_t entityInstance,
++ uint8_t instanceStart)
++{
++ auto it = dcmi::entityIdToName.find(entityId);
++ if (it == dcmi::entityIdToName.end())
++ {
++ log<level::ERR>("Unknown Entity ID", entry("ENTITY_ID=%d", entityId));
++ return ipmi::responseInvalidFieldRequest();
+ }
+
+- if (numInstances > maxInstances)
++ if (sensorType != dcmi::temperatureSensorType)
+ {
+- numInstances = maxInstances;
++ log<level::ERR>("Invalid sensor type",
++ entry("SENSOR_TYPE=%d", sensorType));
++ return ipmi::responseInvalidFieldRequest();
+ }
+- return std::make_tuple(response, numInstances);
++
++ uint8_t requestedRecords = (entityInstance == 0) ? dcmi::maxRecords : 1;
++
++ // Read requested instances
++ const auto& [temps, totalInstances] = dcmi::temp_readings::read(
++ ctx, it->second, instanceStart, requestedRecords);
++
++ auto numInstances = static_cast<uint8_t>(temps.size());
++
++ return ipmi::responseSuccess(totalInstances, numInstances, temps);
+ }
+
+-std::tuple<ResponseList, NumInstances> readAll(const std::string& type,
+- uint8_t instanceStart)
++ipmi::RspType<> setDCMIConfParams(ipmi::Context::ptr& ctx, uint8_t parameter,
++ uint8_t setSelector,
++ ipmi::message::Payload& payload)
+ {
+- ResponseList response{};
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+-
+- size_t numInstances = 0;
+- auto data = parseJSONConfig(gDCMISensorsConfig);
+- static const std::vector<Json> empty{};
+- std::vector<Json> readings = data.value(type, empty);
+- numInstances = readings.size();
+- for (const auto& j : readings)
++ if (setSelector)
+ {
+- try
++ return ipmi::responseInvalidFieldRequest();
++ }
++ // Take action based on the Parameter Selector
++ switch (static_cast<dcmi::DCMIConfigParameters>(parameter))
++ {
++ case dcmi::DCMIConfigParameters::ActivateDHCP:
+ {
+- // Max of 8 response data sets
+- if (response.size() == maxDataSets)
++ uint7_t reserved{};
++ bool activate{};
++ if (payload.unpack(activate, reserved) || !payload.fullyUnpacked())
+ {
+- break;
++ return ipmi::responseReqDataLenInvalid();
+ }
+-
+- uint8_t instanceNum = j.value("instance", 0);
+- // Not in the instance range we're interested in
+- if (instanceNum < instanceStart)
++ if (reserved)
+ {
+- continue;
++ return ipmi::responseInvalidFieldRequest();
+ }
+-
+- std::string path = j.value("dbus", "");
+- auto service =
+- ipmi::getService(bus, "xyz.openbmc_project.Sensor.Value", path);
+-
+- Response r{};
+- r.instance = instanceNum;
+- uint8_t temp{};
+- bool sign{};
+- std::tie(temp, sign) = readTemp(service, path);
+- r.temperature = temp;
+- r.sign = sign;
+- response.push_back(r);
++ std::optional<EthernetInterface::DHCPConf> dhcpEnabled =
++ dcmi::getDHCPEnabled(ctx);
++ if (!dhcpEnabled)
++ {
++ return ipmi::responseUnspecifiedError();
++ }
++ if (activate &&
++ (dhcpEnabled.value() != EthernetInterface::DHCPConf::none))
++ {
++ // When these conditions are met we have to trigger DHCP
++ // protocol restart using the latest parameter settings,
++ // but as per n/w manager design, each time when we
++ // update n/w parameters, n/w service is restarted. So
++ // we no need to take any action in this case.
++ }
++ break;
+ }
+- catch (const std::exception& e)
++ case dcmi::DCMIConfigParameters::DiscoveryConfig:
+ {
+- log<level::DEBUG>(e.what());
+- continue;
++ bool option12{};
++ uint6_t reserved1{};
++ bool randBackOff{};
++ if (payload.unpack(option12, reserved1, randBackOff) ||
++ !payload.fullyUnpacked())
++ {
++ return ipmi::responseReqDataLenInvalid();
++ }
++ // Systemd-networkd doesn't support Random Back off
++ if (reserved1 || randBackOff)
++ {
++ return ipmi::responseInvalidFieldRequest();
++ }
++ dcmi::setDHCPOption(ctx, dcmi::dhcpOpt12Enabled, option12);
++ break;
+ }
+- }
+-
+- if (numInstances > maxInstances)
+- {
+- numInstances = maxInstances;
+- }
+- return std::make_tuple(response, numInstances);
++ // Systemd-networkd doesn't allow to configure DHCP timigs
++ case dcmi::DCMIConfigParameters::DHCPTiming1:
++ case dcmi::DCMIConfigParameters::DHCPTiming2:
++ case dcmi::DCMIConfigParameters::DHCPTiming3:
++ default:
++ return ipmi::responseInvalidFieldRequest();
++ }
++ return ipmi::responseSuccess();
+ }
+
+-} // namespace temp_readings
+-} // namespace dcmi
+-
+-ipmi_ret_t getTempReadings(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<ipmi::message::Payload> getDCMIConfParams(ipmi::Context::ptr& ctx,
++ uint8_t parameter,
++ uint8_t setSelector)
+ {
+- auto requestData =
+- reinterpret_cast<const dcmi::GetTempReadingsRequest*>(request);
+- auto responseData =
+- reinterpret_cast<dcmi::GetTempReadingsResponseHdr*>(response);
+-
+- if (*data_len != sizeof(dcmi::GetTempReadingsRequest))
++ if (setSelector)
+ {
+- log<level::ERR>("Malformed request data",
+- entry("DATA_SIZE=%d", *data_len));
+- return IPMI_CC_REQ_DATA_LEN_INVALID;
++ return ipmi::responseInvalidFieldRequest();
+ }
+- *data_len = 0;
++ ipmi::message::Payload payload;
++ payload.pack(dcmi::specMajorVersion, dcmi::specMinorVersion,
++ dcmi::configParameterRevision);
+
+- auto it = dcmi::entityIdToName.find(requestData->entityId);
+- if (it == dcmi::entityIdToName.end())
++ // Take action based on the Parameter Selector
++ switch (static_cast<dcmi::DCMIConfigParameters>(parameter))
+ {
+- log<level::ERR>("Unknown Entity ID",
+- entry("ENTITY_ID=%d", requestData->entityId));
+- return IPMI_CC_INVALID_FIELD_REQUEST;
+- }
+-
+- if (requestData->sensorType != dcmi::temperatureSensorType)
+- {
+- log<level::ERR>("Invalid sensor type",
+- entry("SENSOR_TYPE=%d", requestData->sensorType));
+- return IPMI_CC_INVALID_FIELD_REQUEST;
+- }
+-
+- dcmi::temp_readings::ResponseList temps{};
+- try
+- {
+- if (!requestData->entityInstance)
++ case dcmi::DCMIConfigParameters::ActivateDHCP:
++ payload.pack(dcmi::activateDhcpReply);
++ break;
++ case dcmi::DCMIConfigParameters::DiscoveryConfig:
+ {
+- // Read all instances
+- std::tie(temps, responseData->numInstances) =
+- dcmi::temp_readings::readAll(it->second,
+- requestData->instanceStart);
+- }
+- else
+- {
+- // Read one instance
+- temps.resize(1);
+- std::tie(temps[0], responseData->numInstances) =
+- dcmi::temp_readings::read(it->second,
+- requestData->entityInstance);
++ uint8_t discovery{};
++ std::optional<bool> enabled =
++ dcmi::getDHCPOption(ctx, dcmi::dhcpOpt12Enabled);
++ if (!enabled.has_value())
++ {
++ return ipmi::responseUnspecifiedError();
++ }
++ if (enabled.value())
++ {
++ discovery = dcmi::option12Mask;
++ }
++ payload.pack(discovery);
++ break;
+ }
+- responseData->numDataSets = temps.size();
+- }
+- catch (const InternalFailure& e)
+- {
+- return IPMI_CC_UNSPECIFIED_ERROR;
+- }
+-
+- size_t payloadSize = temps.size() * sizeof(dcmi::temp_readings::Response);
+- if (!temps.empty())
+- {
+- memcpy(responseData + 1, // copy payload right after the response header
+- temps.data(), payloadSize);
+- }
+- *data_len = sizeof(dcmi::GetTempReadingsResponseHdr) + payloadSize;
+-
+- return IPMI_CC_OK;
++ // Get below values from Systemd-networkd source code
++ case dcmi::DCMIConfigParameters::DHCPTiming1:
++ payload.pack(dcmi::dhcpTiming1);
++ break;
++ case dcmi::DCMIConfigParameters::DHCPTiming2:
++ payload.pack(dcmi::dhcpTiming2);
++ break;
++ case dcmi::DCMIConfigParameters::DHCPTiming3:
++ payload.pack(dcmi::dhcpTiming3);
++ break;
++ default:
++ return ipmi::responseInvalidFieldRequest();
++ }
++
++ return ipmi::responseSuccess();
+ }
+
+-int64_t getPowerReading(sdbusplus::bus::bus& bus)
++static std::optional<uint16_t> readPower(ipmi::Context::ptr& ctx)
+ {
+ std::ifstream sensorFile(POWER_READING_SENSOR);
+ std::string objectPath;
+@@ -986,7 +972,7 @@ int64_t getPowerReading(sdbusplus::bus::bus& bus)
+ {
+ log<level::ERR>("Power reading configuration file not found",
+ entry("POWER_SENSOR_FILE=%s", POWER_READING_SENSOR));
+- elog<InternalFailure>();
++ return std::nullopt;
+ }
+
+ auto data = nlohmann::json::parse(sensorFile, nullptr, false);
+@@ -994,7 +980,7 @@ int64_t getPowerReading(sdbusplus::bus::bus& bus)
+ {
+ log<level::ERR>("Error in parsing configuration file",
+ entry("POWER_SENSOR_FILE=%s", POWER_READING_SENSOR));
+- elog<InternalFailure>();
++ return std::nullopt;
+ }
+
+ objectPath = data.value("path", "");
+@@ -1002,215 +988,93 @@ int64_t getPowerReading(sdbusplus::bus::bus& bus)
+ {
+ log<level::ERR>("Power sensor D-Bus object path is empty",
+ entry("POWER_SENSOR_FILE=%s", POWER_READING_SENSOR));
+- elog<InternalFailure>();
++ return std::nullopt;
+ }
+
+ // Return default value if failed to read from D-Bus object
+- int64_t power = 0;
+- try
++ std::string service{};
++ boost::system::error_code ec = ipmi::getService(ctx, dcmi::sensorValueIntf,
++ objectPath, service);
++ if (ec.value())
+ {
+- auto service = ipmi::getService(bus, SENSOR_VALUE_INTF, objectPath);
+-
+- // Read the sensor value and scale properties
+- auto properties = ipmi::getAllDbusProperties(bus, service, objectPath,
+- SENSOR_VALUE_INTF);
+- auto value = std::get<int64_t>(properties[SENSOR_VALUE_PROP]);
+- auto scale = std::get<int64_t>(properties[SENSOR_SCALE_PROP]);
+-
+- // Power reading needs to be scaled with the Scale value using the
+- // formula Value * 10^Scale.
+- power = value * std::pow(10, scale);
++ log<level::ERR>("Failed to fetch service for D-Bus object",
++ entry("OBJECT_PATH=%s", objectPath.c_str()),
++ entry("INTERFACE=%s", dcmi::sensorValueIntf));
++ return std::nullopt;
+ }
+- catch (const std::exception& e)
++
++ // Read the sensor value and scale properties
++ double value{};
++ ec = ipmi::getDbusProperty(ctx, service, objectPath, dcmi::sensorValueIntf,
++ dcmi::sensorValueProp, value);
++ if (ec.value())
+ {
+- log<level::INFO>("Failure to read power value from D-Bus object",
+- entry("OBJECT_PATH=%s", objectPath.c_str()),
+- entry("INTERFACE=%s", SENSOR_VALUE_INTF));
++ log<level::ERR>("Failure to read power value from D-Bus object",
++ entry("OBJECT_PATH=%s", objectPath.c_str()),
++ entry("INTERFACE=%s", dcmi::sensorValueIntf));
++ return std::nullopt;
+ }
++ auto power = static_cast<uint16_t>(value);
+ return power;
+ }
+
+-ipmi_ret_t setDCMIConfParams(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<uint16_t, // current power
++ uint16_t, // minimum power
++ uint16_t, // maximum power
++ uint16_t, // average power
++ uint32_t, // timestamp
++ uint32_t, // sample period ms
++ uint6_t, // reserved
++ bool, // power measurement active
++ bool // reserved
++ >
++ getPowerReading(ipmi::Context::ptr& ctx, uint8_t mode, uint8_t attributes,
++ uint8_t reserved)
+ {
+- auto requestData =
+- reinterpret_cast<const dcmi::SetConfParamsRequest*>(request);
+-
+- if (*data_len < DCMI_SET_CONF_PARAM_REQ_PACKET_MIN_SIZE ||
+- *data_len > DCMI_SET_CONF_PARAM_REQ_PACKET_MAX_SIZE)
+- {
+- log<level::ERR>("Invalid Requested Packet size",
+- entry("PACKET SIZE=%d", *data_len));
+- *data_len = 0;
+- return IPMI_CC_INVALID_FIELD_REQUEST;
+- }
+- *data_len = 0;
+-
+- try
++ if (!dcmi::isDCMIPowerMgmtSupported())
+ {
+- // Take action based on the Parameter Selector
+- switch (
+- static_cast<dcmi::DCMIConfigParameters>(requestData->paramSelect))
+- {
+- case dcmi::DCMIConfigParameters::ActivateDHCP:
+-
+- if ((requestData->data[0] & DCMI_ACTIVATE_DHCP_MASK) &&
+- dcmi::getDHCPEnabled())
+- {
+- // When these conditions are met we have to trigger DHCP
+- // protocol restart using the latest parameter settings, but
+- // as per n/w manager design, each time when we update n/w
+- // parameters, n/w service is restarted. So we no need to
+- // take any action in this case.
+- }
+- break;
+-
+- case dcmi::DCMIConfigParameters::DiscoveryConfig:
+-
+- if (requestData->data[0] & DCMI_OPTION_12_MASK)
+- {
+- dcmi::setDHCPOption(DHCP_OPT12_ENABLED, true);
+- }
+- else
+- {
+- dcmi::setDHCPOption(DHCP_OPT12_ENABLED, false);
+- }
+-
+- // Systemd-networkd doesn't support Random Back off
+- if (requestData->data[0] & DCMI_RAND_BACK_OFF_MASK)
+- {
+- return IPMI_CC_INVALID;
+- }
+- break;
+- // Systemd-networkd doesn't allow to configure DHCP timigs
+- case dcmi::DCMIConfigParameters::DHCPTiming1:
+- case dcmi::DCMIConfigParameters::DHCPTiming2:
+- case dcmi::DCMIConfigParameters::DHCPTiming3:
+- default:
+- return IPMI_CC_INVALID;
+- }
++ log<level::ERR>("DCMI Power management is unsupported!");
++ return ipmi::responseInvalidCommand();
+ }
+- catch (const std::exception& e)
++ if (reserved)
+ {
+- log<level::ERR>(e.what());
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseInvalidFieldRequest();
+ }
+- return IPMI_CC_OK;
+-}
+
+-ipmi_ret_t getDCMIConfParams(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
+-{
+-
+- auto requestData =
+- reinterpret_cast<const dcmi::GetConfParamsRequest*>(request);
+- auto responseData =
+- reinterpret_cast<dcmi::GetConfParamsResponse*>(response);
+-
+- responseData->data[0] = 0x00;
+-
+- if (*data_len != sizeof(dcmi::GetConfParamsRequest))
++ enum class PowerMode : uint8_t
+ {
+- log<level::ERR>("Invalid Requested Packet size",
+- entry("PACKET SIZE=%d", *data_len));
+- return IPMI_CC_INVALID_FIELD_REQUEST;
+- }
+-
+- *data_len = 0;
++ SystemPowerStatistics = 1,
++ EnhancedSystemPowerStatistics = 2,
++ };
+
+- try
++ if (static_cast<PowerMode>(mode) != PowerMode::SystemPowerStatistics)
+ {
+- // Take action based on the Parameter Selector
+- switch (
+- static_cast<dcmi::DCMIConfigParameters>(requestData->paramSelect))
+- {
+- case dcmi::DCMIConfigParameters::ActivateDHCP:
+- responseData->data[0] = DCMI_ACTIVATE_DHCP_REPLY;
+- *data_len = sizeof(dcmi::GetConfParamsResponse) + 1;
+- break;
+- case dcmi::DCMIConfigParameters::DiscoveryConfig:
+- if (dcmi::getDHCPOption(DHCP_OPT12_ENABLED))
+- {
+- responseData->data[0] |= DCMI_OPTION_12_MASK;
+- }
+- *data_len = sizeof(dcmi::GetConfParamsResponse) + 1;
+- break;
+- // Get below values from Systemd-networkd source code
+- case dcmi::DCMIConfigParameters::DHCPTiming1:
+- responseData->data[0] = DHCP_TIMING1;
+- *data_len = sizeof(dcmi::GetConfParamsResponse) + 1;
+- break;
+- case dcmi::DCMIConfigParameters::DHCPTiming2:
+- responseData->data[0] = DHCP_TIMING2_LOWER;
+- responseData->data[1] = DHCP_TIMING2_UPPER;
+- *data_len = sizeof(dcmi::GetConfParamsResponse) + 2;
+- break;
+- case dcmi::DCMIConfigParameters::DHCPTiming3:
+- responseData->data[0] = DHCP_TIMING3_LOWER;
+- responseData->data[1] = DHCP_TIMING3_UPPER;
+- *data_len = sizeof(dcmi::GetConfParamsResponse) + 2;
+- break;
+- default:
+- *data_len = 0;
+- return IPMI_CC_INVALID;
+- }
++ return ipmi::responseInvalidFieldRequest();
+ }
+- catch (const std::exception& e)
++ if (attributes)
+ {
+- log<level::ERR>(e.what());
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseInvalidFieldRequest();
+ }
+
+- responseData->major = DCMI_SPEC_MAJOR_VERSION;
+- responseData->minor = DCMI_SPEC_MINOR_VERSION;
+- responseData->paramRevision = DCMI_CONFIG_PARAMETER_REVISION;
+-
+- return IPMI_CC_OK;
+-}
+-
+-ipmi_ret_t getPowerReading(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
+-{
+- *data_len = 0;
+- if (!dcmi::isDCMIPowerMgmtSupported())
++ std::optional<uint16_t> powerResp = readPower(ctx);
++ if (!powerResp)
+ {
+- log<level::ERR>("DCMI Power management is unsupported!");
+- return IPMI_CC_INVALID;
+- }
+-
+- ipmi_ret_t rc = IPMI_CC_OK;
+- auto responseData =
+- reinterpret_cast<dcmi::GetPowerReadingResponse*>(response);
+-
+- sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+- int64_t power = 0;
+- try
+- {
+- power = getPowerReading(bus);
+- }
+- catch (const InternalFailure& e)
+- {
+- log<level::ERR>("Error in reading power sensor value",
+- entry("INTERFACE=%s", SENSOR_VALUE_INTF),
+- entry("PROPERTY=%s", SENSOR_VALUE_PROP));
+- return IPMI_CC_UNSPECIFIED_ERROR;
++ return ipmi::responseUnspecifiedError();
+ }
++ auto& power = powerResp.value();
+
+ // TODO: openbmc/openbmc#2819
+ // Minimum, Maximum, Average power, TimeFrame, TimeStamp,
+ // PowerReadingState readings need to be populated
+ // after Telemetry changes.
+- uint16_t totalPower = static_cast<uint16_t>(power);
+- responseData->currentPower = totalPower;
+- responseData->minimumPower = totalPower;
+- responseData->maximumPower = totalPower;
+- responseData->averagePower = totalPower;
+-
+- *data_len = sizeof(*responseData);
+- return rc;
++ constexpr uint32_t samplePeriod = 1;
++ constexpr uint6_t reserved1 = 0;
++ constexpr bool measurementActive = true;
++ constexpr bool reserved2 = false;
++ auto timestamp = static_cast<uint32_t>(time(nullptr));
++ return ipmi::responseSuccess(power, power, power, power, timestamp,
++ samplePeriod, reserved1, measurementActive,
++ reserved2);
+ }
+
+ namespace dcmi
+@@ -1218,237 +1082,139 @@ namespace dcmi
+ namespace sensor_info
+ {
+
+-Response createFromJson(const Json& config)
+-{
+- Response response{};
+- uint16_t recordId = config.value("record_id", 0);
+- response.recordIdLsb = recordId & 0xFF;
+- response.recordIdMsb = (recordId >> 8) & 0xFF;
+- return response;
+-}
+-
+-std::tuple<Response, NumInstances> read(const std::string& type,
+- uint8_t instance, const Json& config)
++std::tuple<std::vector<uint16_t>, uint8_t> read(const std::string& type,
++ uint8_t instance,
++ const nlohmann::json& config,
++ uint8_t count)
+ {
+- Response response{};
+-
+- if (!instance)
+- {
+- log<level::ERR>("Expected non-zero instance");
+- elog<InternalFailure>();
+- }
++ std::vector<uint16_t> responses{};
+
+- static const std::vector<Json> empty{};
+- std::vector<Json> readings = config.value(type, empty);
+- size_t numInstances = readings.size();
++ static const std::vector<nlohmann::json> empty{};
++ std::vector<nlohmann::json> readings = config.value(type, empty);
++ uint8_t totalInstances = std::min(readings.size(), maxInstances);
+ for (const auto& reading : readings)
+ {
+- uint8_t instanceNum = reading.value("instance", 0);
+- // Not the instance we're interested in
+- if (instanceNum != instance)
++ // limit to requested count
++ if (responses.size() == count)
+ {
+- continue;
++ break;
+ }
+
+- response = createFromJson(reading);
+-
+- // Found the instance we're interested in
+- break;
+- }
+-
+- if (numInstances > maxInstances)
+- {
+- log<level::DEBUG>("Trimming IPMI num instances",
+- entry("NUM_INSTANCES=%d", numInstances));
+- numInstances = maxInstances;
+- }
+- return std::make_tuple(response, numInstances);
+-}
+-
+-std::tuple<ResponseList, NumInstances>
+- readAll(const std::string& type, uint8_t instanceStart, const Json& config)
+-{
+- ResponseList responses{};
+-
+- size_t numInstances = 0;
+- static const std::vector<Json> empty{};
+- std::vector<Json> readings = config.value(type, empty);
+- numInstances = readings.size();
+- for (const auto& reading : readings)
+- {
+- try
+- {
+- // Max of 8 records
+- if (responses.size() == maxRecords)
+- {
+- break;
+- }
+-
+- uint8_t instanceNum = reading.value("instance", 0);
+- // Not in the instance range we're interested in
+- if (instanceNum < instanceStart)
+- {
+- continue;
+- }
+-
+- Response response = createFromJson(reading);
+- responses.push_back(response);
+- }
+- catch (const std::exception& e)
++ uint8_t instanceNum = reading.value("instance", 0);
++ // Not in the instance range we're interested in
++ if (instanceNum < instance)
+ {
+- log<level::DEBUG>(e.what());
+ continue;
+ }
+- }
+
+- if (numInstances > maxInstances)
+- {
+- log<level::DEBUG>("Trimming IPMI num instances",
+- entry("NUM_INSTANCES=%d", numInstances));
+- numInstances = maxInstances;
++ uint16_t recordId = config.value("record_id", 0);
++ responses.emplace_back(recordId);
+ }
+- return std::make_tuple(responses, numInstances);
++
++ return std::make_tuple(responses, totalInstances);
+ }
+
+ } // namespace sensor_info
+ } // namespace dcmi
+
+-ipmi_ret_t getSensorInfo(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+- ipmi_request_t request, ipmi_response_t response,
+- ipmi_data_len_t data_len, ipmi_context_t context)
++ipmi::RspType<uint8_t, // total available instances
++ uint8_t, // number of records in this response
++ std::vector<uint16_t> // records
++ >
++ getSensorInfo(uint8_t sensorType, uint8_t entityId, uint8_t entityInstance,
++ uint8_t instanceStart)
+ {
+- auto requestData =
+- reinterpret_cast<const dcmi::GetSensorInfoRequest*>(request);
+- auto responseData =
+- reinterpret_cast<dcmi::GetSensorInfoResponseHdr*>(response);
+-
+- if (*data_len != sizeof(dcmi::GetSensorInfoRequest))
+- {
+- log<level::ERR>("Malformed request data",
+- entry("DATA_SIZE=%d", *data_len));
+- return IPMI_CC_REQ_DATA_LEN_INVALID;
+- }
+- *data_len = 0;
+-
+- auto it = dcmi::entityIdToName.find(requestData->entityId);
++ auto it = dcmi::entityIdToName.find(entityId);
+ if (it == dcmi::entityIdToName.end())
+ {
+- log<level::ERR>("Unknown Entity ID",
+- entry("ENTITY_ID=%d", requestData->entityId));
+- return IPMI_CC_INVALID_FIELD_REQUEST;
++ log<level::ERR>("Unknown Entity ID", entry("ENTITY_ID=%d", entityId));
++ return ipmi::responseInvalidFieldRequest();
+ }
+
+- if (requestData->sensorType != dcmi::temperatureSensorType)
++ if (sensorType != dcmi::temperatureSensorType)
+ {
+ log<level::ERR>("Invalid sensor type",
+- entry("SENSOR_TYPE=%d", requestData->sensorType));
+- return IPMI_CC_INVALID_FIELD_REQUEST;
++ entry("SENSOR_TYPE=%d", sensorType));
++ return ipmi::responseInvalidFieldRequest();
+ }
+
+- dcmi::sensor_info::ResponseList sensors{};
+- static dcmi::Json config{};
+- static bool parsed = false;
++ nlohmann::json config = dcmi::parseJSONConfig(dcmi::gDCMISensorsConfig);
+
+- try
+- {
+- if (!parsed)
+- {
+- config = dcmi::parseJSONConfig(dcmi::gDCMISensorsConfig);
+- parsed = true;
+- }
+-
+- if (!requestData->entityInstance)
+- {
+- // Read all instances
+- std::tie(sensors, responseData->numInstances) =
+- dcmi::sensor_info::readAll(it->second,
+- requestData->instanceStart, config);
+- }
+- else
+- {
+- // Read one instance
+- sensors.resize(1);
+- std::tie(sensors[0], responseData->numInstances) =
+- dcmi::sensor_info::read(it->second, requestData->entityInstance,
+- config);
+- }
+- responseData->numRecords = sensors.size();
+- }
+- catch (const InternalFailure& e)
+- {
+- return IPMI_CC_UNSPECIFIED_ERROR;
+- }
++ uint8_t requestedRecords = (entityInstance == 0) ? dcmi::maxRecords : 1;
++ // Read requested instances
++ const auto& [sensors, totalInstances] = dcmi::sensor_info::read(
++ it->second, instanceStart, config, requestedRecords);
++ uint8_t numRecords = sensors.size();
+
+- size_t payloadSize = sensors.size() * sizeof(dcmi::sensor_info::Response);
+- if (!sensors.empty())
+- {
+- memcpy(responseData + 1, // copy payload right after the response header
+- sensors.data(), payloadSize);
+- }
+- *data_len = sizeof(dcmi::GetSensorInfoResponseHdr) + payloadSize;
+-
+- return IPMI_CC_OK;
++ return ipmi::responseSuccess(totalInstances, numRecords, sensors);
+ }
+
+ void register_netfn_dcmi_functions()
+ {
+ // <Get Power Limit>
+-
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_POWER_LIMIT, NULL,
+- getPowerLimit, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetPowerLimit, ipmi::Privilege::User,
++ getPowerLimit);
+
+ // <Set Power Limit>
+-
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::SET_POWER_LIMIT, NULL,
+- setPowerLimit, PRIVILEGE_OPERATOR);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdSetPowerLimit,
++ ipmi::Privilege::Operator, setPowerLimit);
+
+ // <Activate/Deactivate Power Limit>
+-
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::APPLY_POWER_LIMIT,
+- NULL, applyPowerLimit, PRIVILEGE_OPERATOR);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdActDeactivatePwrLimit,
++ ipmi::Privilege::Operator, applyPowerLimit);
+
+ // <Get Asset Tag>
+-
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_ASSET_TAG, NULL,
+- getAssetTag, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetAssetTag, ipmi::Privilege::User,
++ getAssetTag);
+
+ // <Set Asset Tag>
+-
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::SET_ASSET_TAG, NULL,
+- setAssetTag, PRIVILEGE_OPERATOR);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdSetAssetTag, ipmi::Privilege::Operator,
++ setAssetTag);
+
+ // <Get Management Controller Identifier String>
+-
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_MGMNT_CTRL_ID_STR,
+- NULL, getMgmntCtrlIdStr, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetMgmtCntlrIdString,
++ ipmi::Privilege::User, getMgmntCtrlIdStr);
+
+ // <Set Management Controller Identifier String>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::SET_MGMNT_CTRL_ID_STR,
+- NULL, setMgmntCtrlIdStr, PRIVILEGE_ADMIN);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdSetMgmtCntlrIdString,
++ ipmi::Privilege::Admin, setMgmntCtrlIdStr);
+
+ // <Get DCMI capabilities>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_CAPABILITIES,
+- NULL, getDCMICapabilities, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetDcmiCapabilitiesInfo,
++ ipmi::Privilege::User, getDCMICapabilities);
+
+ // <Get Temperature Readings>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_TEMP_READINGS,
+- NULL, getTempReadings, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetTemperatureReadings,
++ ipmi::Privilege::User, getTempReadings);
+
+ // <Get Power Reading>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_POWER_READING,
+- NULL, getPowerReading, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetPowerReading, ipmi::Privilege::User,
++ getPowerReading);
+
+ // <Get Sensor Info>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_SENSOR_INFO, NULL,
+- getSensorInfo, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetDcmiSensorInfo,
++ ipmi::Privilege::Operator, getSensorInfo);
+
+ // <Get DCMI Configuration Parameters>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::GET_CONF_PARAMS, NULL,
+- getDCMIConfParams, PRIVILEGE_USER);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdGetDcmiConfigParameters,
++ ipmi::Privilege::User, getDCMIConfParams);
+
+ // <Set DCMI Configuration Parameters>
+- ipmi_register_callback(NETFUN_GRPEXT, dcmi::Commands::SET_CONF_PARAMS, NULL,
+- setDCMIConfParams, PRIVILEGE_ADMIN);
++ registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ ipmi::dcmi::cmdSetDcmiConfigParameters,
++ ipmi::Privilege::Admin, setDCMIConfParams);
+
+ return;
+ }
+diff --git a/dcmihandler.hpp b/dcmihandler.hpp
+index 4f35bc6..5adbd73 100644
+--- a/dcmihandler.hpp
++++ b/dcmihandler.hpp
+@@ -10,27 +10,6 @@
+ namespace dcmi
+ {
+
+-using NumInstances = size_t;
+-using Json = nlohmann::json;
+-
+-enum Commands
+-{
+- // Get capability bits
+- GET_CAPABILITIES = 0x01,
+- GET_POWER_READING = 0x02,
+- GET_POWER_LIMIT = 0x03,
+- SET_POWER_LIMIT = 0x04,
+- APPLY_POWER_LIMIT = 0x05,
+- GET_ASSET_TAG = 0x06,
+- GET_SENSOR_INFO = 0x07,
+- SET_ASSET_TAG = 0x08,
+- GET_MGMNT_CTRL_ID_STR = 0x09,
+- SET_MGMNT_CTRL_ID_STR = 0x0A,
+- GET_TEMP_READINGS = 0x10,
+- SET_CONF_PARAMS = 0x12,
+- GET_CONF_PARAMS = 0x13,
+-};
+-
+ static constexpr auto propIntf = "org.freedesktop.DBus.Properties";
+ static constexpr auto assetTagIntf =
+ "xyz.openbmc_project.Inventory.Decorator.AssetTag";
+@@ -41,7 +20,8 @@ static constexpr auto networkConfigIntf =
+ "xyz.openbmc_project.Network.SystemConfiguration";
+ static constexpr auto hostNameProp = "HostName";
+ static constexpr auto temperatureSensorType = 0x01;
+-static constexpr auto maxInstances = 255;
++static constexpr size_t maxInstances = 255;
++static constexpr uint8_t maxRecords = 8;
+ static constexpr auto gDCMISensorsConfig =
+ "/usr/share/ipmi-providers/dcmi_sensors.json";
+ static constexpr auto ethernetIntf =
+@@ -61,106 +41,6 @@ static constexpr auto gDCMIPowerMgmtSupported = 0x1;
+ static constexpr auto gMaxSELEntriesMask = 0xFFF;
+ static constexpr auto gByteBitSize = 8;
+
+-namespace assettag
+-{
+-
+-using ObjectPath = std::string;
+-using Service = std::string;
+-using Interfaces = std::vector<std::string>;
+-using ObjectTree = std::map<ObjectPath, std::map<Service, Interfaces>>;
+-
+-} // namespace assettag
+-
+-namespace temp_readings
+-{
+-static constexpr auto maxDataSets = 8;
+-static constexpr auto maxTemp = 127; // degrees C
+-
+-/** @struct Response
+- *
+- * DCMI payload for Get Temperature Readings response
+- */
+-struct Response
+-{
+-#if BYTE_ORDER == LITTLE_ENDIAN
+- uint8_t temperature : 7; //!< Temperature reading in Celsius
+- uint8_t sign : 1; //!< Sign bit
+-#endif
+-#if BYTE_ORDER == BIG_ENDIAN
+- uint8_t sign : 1; //!< Sign bit
+- uint8_t temperature : 7; //!< Temperature reading in Celsius
+-#endif
+- uint8_t instance; //!< Entity instance number
+-} __attribute__((packed));
+-
+-using ResponseList = std::vector<Response>;
+-using Value = uint8_t;
+-using Sign = bool;
+-using Temperature = std::tuple<Value, Sign>;
+-} // namespace temp_readings
+-
+-namespace sensor_info
+-{
+-static constexpr auto maxRecords = 8;
+-
+-/** @struct Response
+- *
+- * DCMI payload for Get Sensor Info response
+- */
+-struct Response
+-{
+- uint8_t recordIdLsb; //!< SDR record id LS byte
+- uint8_t recordIdMsb; //!< SDR record id MS byte
+-} __attribute__((packed));
+-
+-using ResponseList = std::vector<Response>;
+-} // namespace sensor_info
+-
+-static constexpr auto groupExtId = 0xDC;
+-
+-static constexpr auto assetTagMaxOffset = 62;
+-static constexpr auto assetTagMaxSize = 63;
+-static constexpr auto maxBytes = 16;
+-static constexpr size_t maxCtrlIdStrLen = 63;
+-
+-/** @struct GetAssetTagRequest
+- *
+- * DCMI payload for Get Asset Tag command request.
+- */
+-struct GetAssetTagRequest
+-{
+- uint8_t offset; //!< Offset to read.
+- uint8_t bytes; //!< Number of bytes to read.
+-} __attribute__((packed));
+-
+-/** @struct GetAssetTagResponse
+- *
+- * DCMI payload for Get Asset Tag command response.
+- */
+-struct GetAssetTagResponse
+-{
+- uint8_t tagLength; //!< Total asset tag length.
+-} __attribute__((packed));
+-
+-/** @struct SetAssetTagRequest
+- *
+- * DCMI payload for Set Asset Tag command request.
+- */
+-struct SetAssetTagRequest
+-{
+- uint8_t offset; //!< Offset to write.
+- uint8_t bytes; //!< Number of bytes to write.
+-} __attribute__((packed));
+-
+-/** @struct SetAssetTagResponse
+- *
+- * DCMI payload for Set Asset Tag command response.
+- */
+-struct SetAssetTagResponse
+-{
+- uint8_t tagLength; //!< Total asset tag length.
+-} __attribute__((packed));
+-
+ /** @brief Check whether DCMI power management is supported
+ * in the DCMI Capabilities config file.
+ *
+@@ -168,416 +48,4 @@ struct SetAssetTagResponse
+ */
+ bool isDCMIPowerMgmtSupported();
+
+-/** @brief Read the object tree to fetch the object path that implemented the
+- * Asset tag interface.
+- *
+- * @param[in,out] objectTree - object tree
+- *
+- * @return On success return the object tree with the object path that
+- * implemented the AssetTag interface.
+- */
+-void readAssetTagObjectTree(dcmi::assettag::ObjectTree& objectTree);
+-
+-/** @brief Read the asset tag of the server
+- *
+- * @return On success return the asset tag.
+- */
+-std::string readAssetTag();
+-
+-/** @brief Write the asset tag to the asset tag DBUS property
+- *
+- * @param[in] assetTag - Asset Tag to be written to the property.
+- */
+-void writeAssetTag(const std::string& assetTag);
+-
+-/** @brief Read the current power cap value
+- *
+- * @param[in] bus - dbus connection
+- *
+- * @return On success return the power cap value.
+- */
+-uint32_t getPcap(sdbusplus::bus::bus& bus);
+-
+-/** @brief Check if the power capping is enabled
+- *
+- * @param[in] bus - dbus connection
+- *
+- * @return true if the powerCap is enabled and false if the powercap
+- * is disabled.
+- */
+-bool getPcapEnabled(sdbusplus::bus::bus& bus);
+-
+-/** @struct GetPowerLimitResponse
+- *
+- * DCMI payload for Get Power Limit command response.
+- */
+-struct GetPowerLimitResponse
+-{
+- uint16_t reserved; //!< Reserved.
+- uint8_t exceptionAction; //!< Exception action.
+- uint16_t powerLimit; //!< Power limit requested in watts.
+- uint32_t correctionTime; //!< Correction time limit in milliseconds.
+- uint16_t reserved1; //!< Reserved.
+- uint16_t samplingPeriod; //!< Statistics sampling period in seconds.
+-} __attribute__((packed));
+-
+-/** @brief Set the power cap value
+- *
+- * @param[in] bus - dbus connection
+- * @param[in] powerCap - power cap value
+- */
+-void setPcap(sdbusplus::bus::bus& bus, const uint32_t powerCap);
+-
+-/** @struct SetPowerLimitRequest
+- *
+- * DCMI payload for Set Power Limit command request.
+- */
+-struct SetPowerLimitRequest
+-{
+- uint16_t reserved; //!< Reserved
+- uint8_t reserved1; //!< Reserved
+- uint8_t exceptionAction; //!< Exception action.
+- uint16_t powerLimit; //!< Power limit requested in watts.
+- uint32_t correctionTime; //!< Correction time limit in milliseconds.
+- uint16_t reserved2; //!< Reserved.
+- uint16_t samplingPeriod; //!< Statistics sampling period in seconds.
+-} __attribute__((packed));
+-
+-/** @brief Enable or disable the power capping
+- *
+- * @param[in] bus - dbus connection
+- * @param[in] enabled - enable/disable
+- */
+-void setPcapEnable(sdbusplus::bus::bus& bus, bool enabled);
+-
+-/** @struct ApplyPowerLimitRequest
+- *
+- * DCMI payload for Activate/Deactivate Power Limit command request.
+- */
+-struct ApplyPowerLimitRequest
+-{
+- uint8_t powerLimitAction; //!< Power limit activation
+- uint16_t reserved; //!< Reserved
+-} __attribute__((packed));
+-
+-/** @struct GetMgmntCtrlIdStrRequest
+- *
+- * DCMI payload for Get Management Controller Identifier String cmd request.
+- */
+-struct GetMgmntCtrlIdStrRequest
+-{
+- uint8_t offset; //!< Offset to read.
+- uint8_t bytes; //!< Number of bytes to read.
+-} __attribute__((packed));
+-
+-/** @struct GetMgmntCtrlIdStrResponse
+- *
+- * DCMI payload for Get Management Controller Identifier String cmd response.
+- */
+-struct GetMgmntCtrlIdStrResponse
+-{
+- uint8_t strLen; //!< ID string length.
+- char data[]; //!< ID string
+-} __attribute__((packed));
+-
+-/** @struct SetMgmntCtrlIdStrRequest
+- *
+- * DCMI payload for Set Management Controller Identifier String cmd request.
+- */
+-struct SetMgmntCtrlIdStrRequest
+-{
+- uint8_t offset; //!< Offset to write.
+- uint8_t bytes; //!< Number of bytes to read.
+- char data[]; //!< ID string
+-} __attribute__((packed));
+-
+-/** @struct GetMgmntCtrlIdStrResponse
+- *
+- * DCMI payload for Get Management Controller Identifier String cmd response.
+- */
+-struct SetMgmntCtrlIdStrResponse
+-{
+- uint8_t offset; //!< Last Offset Written.
+-} __attribute__((packed));
+-
+-/** @enum DCMICapParameters
+- *
+- * DCMI Capability parameters
+- */
+-enum class DCMICapParameters
+-{
+- SUPPORTED_DCMI_CAPS = 0x01, //!< Supported DCMI Capabilities
+- MANDATORY_PLAT_ATTRIBUTES = 0x02, //!< Mandatory Platform Attributes
+- OPTIONAL_PLAT_ATTRIBUTES = 0x03, //!< Optional Platform Attributes
+- MANAGEABILITY_ACCESS_ATTRIBUTES = 0x04, //!< Manageability Access Attributes
+-};
+-
+-/** @struct GetDCMICapRequest
+- *
+- * DCMI payload for Get capabilities cmd request.
+- */
+-struct GetDCMICapRequest
+-{
+- uint8_t param; //!< Capability parameter selector.
+-} __attribute__((packed));
+-
+-/** @struct GetDCMICapRequest
+- *
+- * DCMI payload for Get capabilities cmd response.
+- */
+-struct GetDCMICapResponse
+-{
+- uint8_t major; //!< DCMI Specification Conformance - major ver
+- uint8_t minor; //!< DCMI Specification Conformance - minor ver
+- uint8_t paramRevision; //!< Parameter Revision = 02h
+- uint8_t data[]; //!< Capability array
+-} __attribute__((packed));
+-
+-/** @struct DCMICap
+- *
+- * DCMI capabilities protocol info.
+- */
+-struct DCMICap
+-{
+- std::string name; //!< Name of DCMI capability.
+- uint8_t bytePosition; //!< Starting byte number from DCMI spec.
+- uint8_t position; //!< bit position from the DCMI spec.
+- uint8_t length; //!< Length of the value from DCMI spec.
+-};
+-
+-using DCMICapList = std::vector<DCMICap>;
+-
+-/** @struct DCMICapEntry
+- *
+- * DCMI capabilities list and size for each parameter.
+- */
+-struct DCMICapEntry
+-{
+- uint8_t size; //!< Size of capability array in bytes.
+- DCMICapList capList; //!< List of capabilities for a parameter.
+-};
+-
+-using DCMICaps = std::map<DCMICapParameters, DCMICapEntry>;
+-
+-/** @struct GetTempReadingsRequest
+- *
+- * DCMI payload for Get Temperature Readings request
+- */
+-struct GetTempReadingsRequest
+-{
+- uint8_t sensorType; //!< Type of the sensor
+- uint8_t entityId; //!< Entity ID
+- uint8_t entityInstance; //!< Entity Instance (0 means all instances)
+- uint8_t instanceStart; //!< Instance start (used if instance is 0)
+-} __attribute__((packed));
+-
+-/** @struct GetTempReadingsResponse
+- *
+- * DCMI header for Get Temperature Readings response
+- */
+-struct GetTempReadingsResponseHdr
+-{
+- uint8_t numInstances; //!< No. of instances for requested id
+- uint8_t numDataSets; //!< No. of sets of temperature data
+-} __attribute__((packed));
+-
+-/** @brief Parse out JSON config file.
+- *
+- * @param[in] configFile - JSON config file name
+- *
+- * @return A json object
+- */
+-Json parseJSONConfig(const std::string& configFile);
+-
+-namespace temp_readings
+-{
+-/** @brief Read temperature from a d-bus object, scale it as per dcmi
+- * get temperature reading requirements.
+- *
+- * @param[in] dbusService - the D-Bus service
+- * @param[in] dbusPath - the D-Bus path
+- *
+- * @return A temperature reading
+- */
+-Temperature readTemp(const std::string& dbusService,
+- const std::string& dbusPath);
+-
+-/** @brief Read temperatures and fill up DCMI response for the Get
+- * Temperature Readings command. This looks at a specific
+- * instance.
+- *
+- * @param[in] type - one of "inlet", "cpu", "baseboard"
+- * @param[in] instance - A non-zero Entity instance number
+- *
+- * @return A tuple, containing a temperature reading and the
+- * number of instances.
+- */
+-std::tuple<Response, NumInstances> read(const std::string& type,
+- uint8_t instance);
+-
+-/** @brief Read temperatures and fill up DCMI response for the Get
+- * Temperature Readings command. This looks at a range of
+- * instances.
+- *
+- * @param[in] type - one of "inlet", "cpu", "baseboard"
+- * @param[in] instanceStart - Entity instance start index
+- *
+- * @return A tuple, containing a list of temperature readings and the
+- * number of instances.
+- */
+-std::tuple<ResponseList, NumInstances> readAll(const std::string& type,
+- uint8_t instanceStart);
+-} // namespace temp_readings
+-
+-namespace sensor_info
+-{
+-/** @brief Create response from JSON config.
+- *
+- * @param[in] config - JSON config info about DCMI sensors
+- *
+- * @return Sensor info response
+- */
+-Response createFromJson(const Json& config);
+-
+-/** @brief Read sensor info and fill up DCMI response for the Get
+- * Sensor Info command. This looks at a specific
+- * instance.
+- *
+- * @param[in] type - one of "inlet", "cpu", "baseboard"
+- * @param[in] instance - A non-zero Entity instance number
+- * @param[in] config - JSON config info about DCMI sensors
+- *
+- * @return A tuple, containing a sensor info response and
+- * number of instances.
+- */
+-std::tuple<Response, NumInstances> read(const std::string& type,
+- uint8_t instance, const Json& config);
+-
+-/** @brief Read sensor info and fill up DCMI response for the Get
+- * Sensor Info command. This looks at a range of
+- * instances.
+- *
+- * @param[in] type - one of "inlet", "cpu", "baseboard"
+- * @param[in] instanceStart - Entity instance start index
+- * @param[in] config - JSON config info about DCMI sensors
+- *
+- * @return A tuple, containing a list of sensor info responses and the
+- * number of instances.
+- */
+-std::tuple<ResponseList, NumInstances>
+- readAll(const std::string& type, uint8_t instanceStart, const Json& config);
+-} // namespace sensor_info
+-
+-/** @brief Read power reading from power reading sensor object
+- *
+- * @param[in] bus - dbus connection
+- *
+- * @return total power reading
+- */
+-int64_t getPowerReading(sdbusplus::bus::bus& bus);
+-
+-/** @struct GetPowerReadingRequest
+- *
+- * DCMI Get Power Reading command request.
+- * Refer DCMI specification Version 1.1 Section 6.6.1
+- */
+-struct GetPowerReadingRequest
+-{
+- uint8_t mode; //!< Mode
+- uint8_t modeAttribute; //!< Mode Attributes
+-} __attribute__((packed));
+-
+-/** @struct GetPowerReadingResponse
+- *
+- * DCMI Get Power Reading command response.
+- * Refer DCMI specification Version 1.1 Section 6.6.1
+- */
+-struct GetPowerReadingResponse
+-{
+- uint16_t currentPower; //!< Current power in watts
+- uint16_t minimumPower; //!< Minimum power over sampling duration
+- //!< in watts
+- uint16_t maximumPower; //!< Maximum power over sampling duration
+- //!< in watts
+- uint16_t averagePower; //!< Average power over sampling duration
+- //!< in watts
+- uint32_t timeStamp; //!< IPMI specification based time stamp
+- uint32_t timeFrame; //!< Statistics reporting time period in milli
+- //!< seconds.
+- uint8_t powerReadingState; //!< Power Reading State
+-} __attribute__((packed));
+-
+-/** @struct GetSensorInfoRequest
+- *
+- * DCMI payload for Get Sensor Info request
+- */
+-struct GetSensorInfoRequest
+-{
+- uint8_t sensorType; //!< Type of the sensor
+- uint8_t entityId; //!< Entity ID
+- uint8_t entityInstance; //!< Entity Instance (0 means all instances)
+- uint8_t instanceStart; //!< Instance start (used if instance is 0)
+-} __attribute__((packed));
+-
+-/** @struct GetSensorInfoResponseHdr
+- *
+- * DCMI header for Get Sensor Info response
+- */
+-struct GetSensorInfoResponseHdr
+-{
+- uint8_t numInstances; //!< No. of instances for requested id
+- uint8_t numRecords; //!< No. of record ids in the response
+-} __attribute__((packed));
+-/**
+- * @brief Parameters for DCMI Configuration Parameters
+- */
+-enum class DCMIConfigParameters : uint8_t
+-{
+- ActivateDHCP = 1,
+- DiscoveryConfig,
+- DHCPTiming1,
+- DHCPTiming2,
+- DHCPTiming3,
+-};
+-
+-/** @struct SetConfParamsRequest
+- *
+- * DCMI Set DCMI Configuration Parameters Command.
+- * Refer DCMI specification Version 1.1 Section 6.1.2
+- */
+-struct SetConfParamsRequest
+-{
+- uint8_t paramSelect; //!< Parameter selector.
+- uint8_t setSelect; //!< Set Selector (use 00h for parameters that only
+- //!< have one set).
+- uint8_t data[]; //!< Configuration parameter data.
+-} __attribute__((packed));
+-
+-/** @struct GetConfParamsRequest
+- *
+- * DCMI Get DCMI Configuration Parameters Command.
+- * Refer DCMI specification Version 1.1 Section 6.1.3
+- */
+-struct GetConfParamsRequest
+-{
+- uint8_t paramSelect; //!< Parameter selector.
+- uint8_t setSelect; //!< Set Selector. Selects a given set of parameters
+- //!< under a given Parameter selector value. 00h if
+- //!< parameter doesn't use a Set Selector.
+-} __attribute__((packed));
+-
+-/** @struct GetConfParamsResponse
+- *
+- * DCMI Get DCMI Configuration Parameters Command response.
+- * Refer DCMI specification Version 1.1 Section 6.1.3
+- */
+-struct GetConfParamsResponse
+-{
+- uint8_t major; //!< DCMI Spec Conformance - major ver = 01h.
+- uint8_t minor; //!< DCMI Spec Conformance - minor ver = 05h.
+- uint8_t paramRevision; //!< Parameter Revision = 01h.
+- uint8_t data[]; //!< Parameter data.
+-
+-} __attribute__((packed));
+-
+ } // namespace dcmi
+diff --git a/ipmid-new.cpp b/ipmid-new.cpp
+index 7f558cd..d2ae3b3 100644
+--- a/ipmid-new.cpp
++++ b/ipmid-new.cpp
+@@ -23,7 +23,6 @@
+ #include <any>
+ #include <boost/algorithm/string.hpp>
+ #include <boost/asio/io_context.hpp>
+-#include <dcmihandler.hpp>
+ #include <exception>
+ #include <filesystem>
+ #include <forward_list>
+@@ -713,8 +712,8 @@ void ipmi_register_callback(ipmi_netfn_t netFn, ipmi_cmd_t cmd,
+ // all the handlers were part of the DCMI group, so default to that.
+ if (netFn == NETFUN_GRPEXT)
+ {
+- ipmi::impl::registerGroupHandler(ipmi::prioOpenBmcBase,
+- dcmi::groupExtId, cmd, realPriv, h);
++ ipmi::impl::registerGroupHandler(ipmi::prioOpenBmcBase, ipmi::groupDCMI,
++ cmd, realPriv, h);
+ }
+ else
+ {
+--
+2.17.1
+
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0066-Fix-for-static-analyser-tool-reported-issues.patch b/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0066-Fix-for-static-analyser-tool-reported-issues.patch
new file mode 100644
index 000000000..a3fe8a224
--- /dev/null
+++ b/meta-openbmc-mods/meta-common/recipes-phosphor/ipmi/phosphor-ipmi-host/0066-Fix-for-static-analyser-tool-reported-issues.patch
@@ -0,0 +1,186 @@
+From 1b5c7030d1d9b13e73fb5779498233630f76bdf8 Mon Sep 17 00:00:00 2001
+From: PavanKumarIntel <pavanx.kumar.martha@intel.com>
+Date: Thu, 14 Sep 2023 12:14:25 +0000
+Subject: [PATCH] Fix for static analyser tool reported issues
+
+Signed-off-by: PavanKumarIntel <pavanx.kumar.martha@intel.com>
+
+%% original patch: 0066-Fix-for-Coverity-Issues.patch
+---
+ apphandler.cpp | 11 ++---------
+ storagehandler.cpp | 11 ++++++-----
+ transporthandler.cpp | 6 +++---
+ user_channel/channel_layer.cpp | 4 +---
+ user_channel/channelcommands.cpp | 4 ++--
+ user_channel/passwd_mgr.cpp | 10 ++++++++--
+ 6 files changed, 22 insertions(+), 24 deletions(-)
+
+diff --git a/apphandler.cpp b/apphandler.cpp
+index 41dbc8f..bd2bd6f 100644
+--- a/apphandler.cpp
++++ b/apphandler.cpp
+@@ -88,9 +88,7 @@ static constexpr const char* cmdStr = "command";
+ static constexpr const char* cmdMaskStr = "commandMask";
+ static constexpr int base_16 = 16;
+ #endif // ENABLE_I2C_WHITELIST_CHECK
+-static constexpr uint8_t maxIPMIWriteReadSize = 255;
+ static constexpr uint8_t oemCmdStart = 192;
+-static constexpr uint8_t oemCmdEnd = 255;
+ static constexpr uint8_t invalidParamSelectorStart = 8;
+ static constexpr uint8_t invalidParamSelectorEnd = 191;
+
+@@ -1292,7 +1290,7 @@ ipmi::RspType<uint8_t, // Parameter revision
+ {
+ return ipmi::responseInvalidFieldRequest();
+ }
+- if ((paramSelector >= oemCmdStart) && (paramSelector <= oemCmdEnd))
++ if (paramSelector >= oemCmdStart)
+ {
+ return ipmi::responseParmNotSupported();
+ }
+@@ -1369,7 +1367,7 @@ ipmi::RspType<> ipmiAppSetSystemInfo(uint8_t paramSelector, uint8_t data1,
+ {
+ return ipmi::responseInvalidFieldRequest();
+ }
+- if ((paramSelector >= oemCmdStart) && (paramSelector <= oemCmdEnd))
++ if (paramSelector >= oemCmdStart)
+ {
+ return ipmi::responseParmNotSupported();
+ }
+@@ -1633,11 +1631,6 @@ ipmi::RspType<std::vector<uint8_t>>
+ {
+ return ipmi::responseInvalidFieldRequest();
+ }
+- if (readCount > maxIPMIWriteReadSize)
+- {
+- log<level::ERR>("Master write read command: Read count exceeds limit");
+- return ipmi::responseParmOutOfRange();
+- }
+ const size_t writeCount = writeData.size();
+ if (!readCount && !writeCount)
+ {
+diff --git a/storagehandler.cpp b/storagehandler.cpp
+index cdd61da..d2f06cc 100644
+--- a/storagehandler.cpp
++++ b/storagehandler.cpp
+@@ -437,14 +437,15 @@ ipmi::RspType<uint16_t // deleted record ID
+ }
+ else
+ {
+- iter = selCacheMap.find(selRecordID);
+- if (iter == selCacheMap.end())
+- {
+- return ipmi::responseSensorInvalid();
+- }
+ delRecordID = selRecordID;
+ }
+
++ iter = selCacheMap.find(delRecordID);
++ if (iter == selCacheMap.end())
++ {
++ return ipmi::responseSensorInvalid();
++ }
++
+ sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+ std::string service;
+
+diff --git a/transporthandler.cpp b/transporthandler.cpp
+index 5f70d96..0713440 100644
+--- a/transporthandler.cpp
++++ b/transporthandler.cpp
+@@ -55,7 +55,6 @@ const std::unordered_set<IP::AddressOrigin> originsV4 = {
+ };
+
+ static constexpr uint8_t oemCmdStart = 192;
+-static constexpr uint8_t oemCmdEnd = 255;
+
+ std::optional<ChannelParams> maybeGetChannelParams(sdbusplus::bus::bus& bus,
+ uint8_t channel)
+@@ -1234,7 +1233,7 @@ RspType<> setLan(Context::ptr ctx, uint4_t channelBits, uint4_t reserved1,
+ }
+ }
+
+- if ((parameter >= oemCmdStart) && (parameter <= oemCmdEnd))
++ if (parameter >= oemCmdStart)
+ {
+ return setLanOem(channel, parameter, req);
+ }
+@@ -1521,7 +1520,7 @@ RspType<message::Payload> getLan(Context::ptr ctx, uint4_t channelBits,
+ }
+ }
+
+- if ((parameter >= oemCmdStart) && (parameter <= oemCmdEnd))
++ if (parameter >= oemCmdStart)
+ {
+ return getLanOem(channel, parameter, set, block);
+ }
+@@ -1982,6 +1981,7 @@ ipmi::RspType<uint8_t, std::optional<uint8_t>, std::optional<uint8_t>>
+ {
+ phosphor::logging::log<phosphor::logging::level::ERR>(
+ "Failed to get valid baud rate from D-Bus interface");
++ return ipmi::responseUnspecifiedError();
+ }
+ switch (*pBaudRate)
+ {
+diff --git a/user_channel/channel_layer.cpp b/user_channel/channel_layer.cpp
+index 03b1729..022c132 100644
+--- a/user_channel/channel_layer.cpp
++++ b/user_channel/channel_layer.cpp
+@@ -51,9 +51,7 @@ bool isValidPrivLimit(const uint8_t privLimit)
+
+ bool isValidAccessMode(const uint8_t accessMode)
+ {
+- return (
+- (accessMode >= static_cast<uint8_t>(EChannelAccessMode::disabled)) &&
+- (accessMode <= static_cast<uint8_t>(EChannelAccessMode::shared)));
++ return (accessMode <= static_cast<uint8_t>(EChannelAccessMode::shared));
+ }
+
+ bool isValidChannel(const uint8_t chNum)
+diff --git a/user_channel/channelcommands.cpp b/user_channel/channelcommands.cpp
+index 769f9ff..e3dffe8 100644
+--- a/user_channel/channelcommands.cpp
++++ b/user_channel/channelcommands.cpp
+@@ -194,9 +194,9 @@ ipmi ::RspType<uint3_t, // access mode,
+ return response(ccActionNotSupportedForChannel);
+ }
+
+- ChannelAccess chAccess;
++ ChannelAccess chAccess = {};
+
+- Cc compCode;
++ Cc compCode = ipmi::ccUnspecifiedError;
+
+ if (types::enum_cast<EChannelActionType>(accessSetMode) == nvData)
+ {
+diff --git a/user_channel/passwd_mgr.cpp b/user_channel/passwd_mgr.cpp
+index 9b232b5..86a38d5 100644
+--- a/user_channel/passwd_mgr.cpp
++++ b/user_channel/passwd_mgr.cpp
+@@ -74,7 +74,10 @@ void PasswdMgr::restrictFilesPermission(void)
+ {
+ if ((st.st_mode & modeMask) != (S_IRUSR | S_IWUSR))
+ {
+- chmod(passwdFileName, S_IRUSR | S_IWUSR);
++ if (chmod(passwdFileName, S_IRUSR | S_IWUSR) == -1)
++ {
++ log<level::DEBUG>("Error setting chmod for ipmi_pass file");
++ }
+ }
+ }
+
+@@ -82,7 +85,10 @@ void PasswdMgr::restrictFilesPermission(void)
+ {
+ if ((st.st_mode & modeMask) != (S_IRUSR | S_IWUSR))
+ {
+- chmod(encryptKeyFileName, S_IRUSR | S_IWUSR);
++ if (chmod(encryptKeyFileName, S_IRUSR | S_IWUSR) == -1)
++ {
++ log<level::DEBUG>("Error setting chmod for key_file file");
++ }
+ }
+ }
+ }
+--
+2.25.1
+