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FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
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LICENSE = "CLOSED"
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SUMMARY = "FRU Write IPMI Command"
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TARGET_CC_ARCH += "${LDFLAGS}"
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SRC_URI += " \
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file://ipmi-fru.cpp \
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file://Makefile \
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"
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SRCREV = "${AUTOREV}"
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PR = "r1"
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SO_VERSION = "1"
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S = "${WORKDIR}"
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DEPENDS = " \
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boost \
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sdbusplus \
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phosphor-ipmi-host \
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phosphor-logging \
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"
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inherit pkgconfig
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inherit obmc-phosphor-ipmiprovider-symlink
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do_compile () {
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oe_runmake
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}
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do_install() {
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install -d ${D}${libdir}/ipmid-providers
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install -m 0755 ${S}/libipmi-fru.so.${SO_VERSION} ${D}/${libdir}/ipmid-providers/
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}
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HOSTIPMI_PROVIDER_LIBRARY += "libipmi-fru.so"
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FILES:${PN}:append = " ${libdir}/ipmid-providers/lib*${SOLIBS}"
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FILES:${PN}:append = " ${libdir}/host-ipmid/lib*${SOLIBS}"
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RDEPENDS_${PN} += " phosphor-ipmi-host"
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SRC = ipmi-fru.cpp
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SO_VERSION = 1
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OUTPUT = libipmi-fru.so.$(SO_VERSION)
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CFLAGS += -O3 -Wno-unused-result -std=c++20
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BUILD_LIB = -shared -fPIC
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BOOST_CXX_FLAG += -DBOOST_ERROR_CODE_HEADER_ONLY
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BOOST_CXX_FLAG += -DBOOST_SYSTEM_NO_DEPRECATED
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BOOST_CXX_FLAG += -DBOOST_ALL_NO_LIB
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BOOST_CXX_FLAG += -DBOOST_NO_RTTI
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BOOST_CXX_FLAG += -DBOOST_NO_TYPEID
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BOOST_CXX_FLAG += -DBOOST_ASIO_DISABLE_THREADS
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BOOST_CXX_FLAG += -DBOOST_COROUTINES_NO_DEPRECATION_WARNING
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LIBS += -lsdbusplus -lsystemd -lipmid
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all: $(SRC)
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$(CXX) $(BUILD_LIB) $(SRC) -o $(OUTPUT) $(CFLAGS) $(LIBS) $(BOOST_CXX_FLAG)
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clean:
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-rm -rf $(OUTPUT)
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@@ -0,0 +1,180 @@
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#include <boost/algorithm/string.hpp>
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#include <boost/container/flat_map.hpp>
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#include <boost/process.hpp>
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#include <filesystem>
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#include <functional>
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#include <iostream>
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#include <fstream>
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#include <ipmid/api.hpp>
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#include <ipmid/message.hpp>
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#include <ipmid/types.hpp>
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#include <phosphor-logging/log.hpp>
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#include <sdbusplus/message/types.hpp>
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#include <sdbusplus/timer.hpp>
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#include <stdexcept>
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#include <string_view>
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namespace ipmi {
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namespace storage {
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std::map<uint8_t, std::string> __attribute__((init_priority(101)))
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fruIDMap = {{0, "/sys/bus/i2c/devices/i2c-14/14-0053/eeprom"}};
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std::map<uint8_t, std::vector<uint8_t>> fruCache
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__attribute__((init_priority(101)));
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constexpr uint16_t FRUMAXSIZE = 0x8000;
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void register_netfn_storage_functions() __attribute__((constructor));
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void cacheFruData() {
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for (auto fruInfo : fruIDMap) {
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std::ifstream fruFile(fruInfo.second, std::ios::binary);
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if (!fruFile) {
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continue;
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}
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fruFile.seekg(0, std::ios::end);
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std::streampos fileSize = fruFile.tellg();
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fruFile.seekg(0, std::ios::beg);
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fruCache[fruInfo.first].resize(fileSize);
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fruFile.read(reinterpret_cast<char *>(fruCache[fruInfo.first].data()),
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fileSize);
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fruCache[fruInfo.first].resize(FRUMAXSIZE);
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}
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}
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/** @brief implements the write FRU data command
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* @param fruDeviceId - FRU Device ID
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* @param fruInventoryOffset - FRU Inventory Offset to write
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* @param dataToWrite - Data to write
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*
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* @returns ipmi completion code plus response data
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* - countWritten - Count written
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*/
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ipmi::RspType<uint8_t>
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ipmiStorageWriteFruData(ipmi::Context::ptr ctx, uint8_t fruDeviceId,
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uint16_t fruInventoryOffset,
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std::vector<uint8_t> &dataToWrite) {
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constexpr uint8_t fruHeaderMutiRecOffset = 5;
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constexpr uint8_t fruHeaderCheckSumOffset = 7;
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uint8_t countWritten = 0;
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if (fruIDMap.find(fruDeviceId) == fruIDMap.end() || fruDeviceId == 0xFF ||
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fruCache.find(fruDeviceId) == fruCache.end()) {
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return ipmi::responseInvalidFieldRequest();
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}
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// Not Support MutiRecord, set to disabled
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if (fruInventoryOffset == 0) {
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dataToWrite[fruHeaderMutiRecOffset] = 0;
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int zsum = 0;
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for (uint8_t index = 0; index < 5; index++)
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zsum += dataToWrite[index];
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dataToWrite[fruHeaderCheckSumOffset] = -(zsum % 256);
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}
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if ((fruInventoryOffset + dataToWrite.size()) > FRUMAXSIZE) {
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return ipmi::responseParmOutOfRange();
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}
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std::copy(dataToWrite.begin(), dataToWrite.end(),
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fruCache[fruDeviceId].begin() + fruInventoryOffset);
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std::ofstream fruFile(fruIDMap[fruDeviceId],
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std::ios::binary | std::ios::out);
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if (!fruFile) {
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return ipmi::responseUnspecifiedError();
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}
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fruFile.seekp(fruInventoryOffset);
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std::copy(dataToWrite.begin(), dataToWrite.end(),
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std::ostreambuf_iterator<char>(fruFile));
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countWritten = std::min(dataToWrite.size(), static_cast<size_t>(0xFF));
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return ipmi::responseSuccess(countWritten);
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}
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/**@brief implements the Read FRU Data command
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* @param fruDeviceId - FRU device ID. FFh = reserved
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* @param offset - FRU inventory offset to read
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* @param readCount - count to read
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*
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* @return IPMI completion code plus response data
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* - returnCount - response data count.
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* - data - response data
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*/
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ipmi::RspType<uint8_t, // count returned
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std::vector<uint8_t>> // FRU data
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ipmiStorageReadFruData(uint8_t fruDeviceId, uint16_t offset,
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uint8_t readCount) {
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if (fruDeviceId == 0xFF) {
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return ipmi::responseInvalidFieldRequest();
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}
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auto iter = fruIDMap.find(fruDeviceId);
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if (iter == fruIDMap.end()) {
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return ipmi::responseSensorInvalid();
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}
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if (fruCache.find(fruDeviceId) == fruCache.end()) {
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return ipmi::responseSensorInvalid();
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}
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uint8_t returnCount;
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if ((offset + readCount) <= FRUMAXSIZE) {
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returnCount = readCount;
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} else {
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returnCount = FRUMAXSIZE - offset;
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}
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std::vector<uint8_t> fruData(
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(fruCache[fruDeviceId].begin() + offset),
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(fruCache[fruDeviceId].begin() + offset + returnCount));
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return ipmi::responseSuccess(returnCount, fruData);
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}
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/** @brief implements the get FRU Inventory Area Info command
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*
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* @returns IPMI completion code plus response data
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* - FRU Inventory area size in bytes,
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* - access bit
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**/
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ipmi::RspType<uint16_t, // FRU Inventory area size in bytes,
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uint8_t // access size (bytes / words)
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>
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ipmiStorageGetFruInvAreaInfo(uint8_t fruID) {
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auto iter = fruIDMap.find(fruID);
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if (iter == fruIDMap.end()) {
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return ipmi::responseSensorInvalid();
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}
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if (!std::filesystem::exists(iter->second)) {
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return ipmi::responseSensorInvalid();
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}
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return ipmi::responseSuccess(static_cast<uint16_t>(FRUMAXSIZE),
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static_cast<uint8_t>(0));
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}
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void register_netfn_storage_functions() {
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cacheFruData();
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// <WRITE FRU Data>
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ipmi::registerHandler(ipmi::prioMax, ipmi::netFnStorage,
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ipmi::storage::cmdWriteFruData,
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ipmi::Privilege::Operator, ipmiStorageWriteFruData);
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// <READ FRU Data>
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ipmi::registerHandler(ipmi::prioMax, ipmi::netFnStorage,
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ipmi::storage::cmdReadFruData,
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ipmi::Privilege::Operator, ipmiStorageReadFruData);
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// <Get FRU Inventory Area Info>
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ipmi::registerHandler(ipmi::prioMax, ipmi::netFnStorage,
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ipmi::storage::cmdGetFruInventoryAreaInfo,
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ipmi::Privilege::User, ipmiStorageGetFruInvAreaInfo);
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}
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} // namespace storage
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} // namespace ipmi
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