diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-phosphor/fru')
5 files changed, 309 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru.bb b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru.bb new file mode 100644 index 000000000..53cec437d --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru.bb @@ -0,0 +1,30 @@ +SUMMARY = "Default Fru" +DESCRIPTION = "Builds a default FRU file at runtime based on board ID" + +inherit systemd +inherit cmake + +SYSTEMD_SERVICE_${PN} = "SetBaseboardFru.service" + +S = "${WORKDIR}" +SRC_URI = "file://checkFru.sh \ + file://SetBaseboardFru.service \ + file://mkfru.cpp \ + file://CMakeLists.txt \ + " + +LICENSE = "Apache-2.0" +LIC_FILES_CHKSUM = "\ + file://${INTELBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658 \ + file://mkfru.cpp;beginline=2;endline=14;md5=c451359f18a13ee69602afce1588c01a \ + " + +RDEPENDS_${PN} = "bash" + +do_install_append() { + install -d ${D}${bindir} + install -m 0755 ${S}/checkFru.sh ${D}/${bindir}/checkFru.sh + + install -d ${D}${base_libdir}/systemd/system + install -m 0644 ${S}/SetBaseboardFru.service ${D}${base_libdir}/systemd/system +} diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/CMakeLists.txt b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/CMakeLists.txt new file mode 100644 index 000000000..a8e633644 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/CMakeLists.txt @@ -0,0 +1,7 @@ +cmake_minimum_required(VERSION 2.8.10 FATAL_ERROR) +project(mkfru CXX) +set(CMAKE_CXX_STANDARD 17) +set(CMAKE_CXX_STANDARD_REQUIRED ON) +add_executable(mkfru mkfru.cpp) +install(TARGETS mkfru DESTINATION bin) + diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/SetBaseboardFru.service b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/SetBaseboardFru.service new file mode 100644 index 000000000..d8c2a75ac --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/SetBaseboardFru.service @@ -0,0 +1,9 @@ +[Unit] +Description=Check for FRU presence + +[Service] +ExecStart=/usr/bin/checkFru.sh +Type=oneshot + +[Install] +WantedBy=basic.target diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/checkFru.sh b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/checkFru.sh new file mode 100755 index 000000000..908e4b51e --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/checkFru.sh @@ -0,0 +1,44 @@ +#!/bin/bash + +# this script checks the gpio id and loads the correct baseboard fru +FRUPATH="/etc/fru" +fruFile="$FRUPATH/baseboard.fru.bin" +if [ -f $fruFile ]; then + exit 0 +fi + +read_id() { + local idx=0 + local result=0 + local value=0 + for ((idx=0; idx<6; idx++)) + do + typeset -i value=$(gpioget $(gpiofind "FM_BMC_BOARD_SKU_ID${idx}_N")) + value=$((value << idx)) + result=$((result | value)) + done + echo $result +} + +BOARD_ID=$(read_id) +if grep -q 'CPU part\s*: 0xb76' /proc/cpuinfo; then + # AST2500 + case $BOARD_ID in + 12) NAME="D50TNP1SB";; + 40) NAME="CooperCity";; + 45) NAME="WilsonCity";; + 60) NAME="M50CYP2SB2U";; + 62) NAME="WilsonPoint";; + *) NAME="S2600WFT";; + esac +fi + +if [ -z "$NAME" ]; then + NAME="Unknown" +fi + +cd /tmp +mkdir -p $FRUPATH +mkfru $NAME +mv $NAME.fru.bin $fruFile + diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/mkfru.cpp b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/mkfru.cpp new file mode 100644 index 000000000..afadbd324 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/fru/default-fru/mkfru.cpp @@ -0,0 +1,219 @@ +/* +// Copyright (c) 2019 Intel Corporation +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// Abstract: default FRU generation +// +*/ + +#include <fstream> +#include <iostream> +#include <iterator> +#include <numeric> +#include <string> +#include <vector> + +constexpr uint8_t fillChar = '.'; +constexpr uint8_t eof = 0xc1; +const std::string intel = "Intel Corporation"; + +// round up to nearest block size (power of 2) +constexpr size_t blockRound(size_t len, size_t blk) +{ + return ((len) + (((blk) - ((len) & ((blk)-1))) & ((blk)-1))); +} + +uint8_t mklen(uint8_t len) +{ + return static_cast<uint8_t>((0x3 << 6) | len); +} + +struct FruEntry +{ + static constexpr size_t fruBlockSize = 8; // type, length, checksum + static constexpr size_t fixedBytes = 3; // type, length, checksum + FruEntry() = delete; + FruEntry(const std::vector<uint8_t>& contents) + { + constexpr size_t verOffset = 0; + constexpr size_t lenOffset = 1; + value.resize(blockRound(fixedBytes + contents.size(), fruBlockSize)); + value[verOffset] = 1; + value[lenOffset] = blocks(); + std::copy(contents.begin(), contents.end(), value.begin() + 2); + addChecksum(); + } + + void addChecksum() + { + int sum = std::accumulate(value.begin(), value.end(), 0); + value.back() = static_cast<uint8_t>(256 - sum & 0xff); + } + + uint8_t blocks() const + { + return static_cast<uint8_t>(value.size() / 8); + } + + std::vector<uint8_t> value; +}; + +size_t fillDots(std::vector<uint8_t>::iterator start, size_t count) +{ + *start++ = mklen(count); // prefix with (0xc0 | count) + auto end = start + count++; + std::fill(start, end, '.'); + return count; +} + +size_t fillStr(std::vector<uint8_t>::iterator start, const std::string& str) +{ + size_t count = str.size(); + *start++ = mklen(count++); // prefix with (0xc0 | count) + std::copy(str.begin(), str.end(), start); + return count; +} + +std::vector<uint8_t> genChassisContents() +{ + constexpr size_t pnSize = 18; + constexpr size_t snSize = 18; + constexpr size_t amSize = 31; + constexpr size_t headerSize = 1; + constexpr size_t contentSize = headerSize + 1 + pnSize + 1 + snSize + 1 + + amSize + 1 + amSize + sizeof(eof); + std::vector<uint8_t> data(contentSize); + size_t offset = 0; + // chassis type (main server chassis) + data[offset++] = 0x17; + // chassis part number + offset += fillDots(data.begin() + offset, pnSize); + // chassis serial number + offset += fillDots(data.begin() + offset, snSize); + // info am1 + offset += fillDots(data.begin() + offset, amSize); + // info am2 + offset += fillDots(data.begin() + offset, amSize); + data[offset] = eof; + + return data; +} + +std::vector<uint8_t> genBoardContents(const std::string& name) +{ + constexpr size_t headerSize = 4; + constexpr size_t snSize = 12; + constexpr size_t pnSize = 10; + const std::string version = "FRU Ver 0.01"; + size_t contentSize = headerSize + 1 + name.size() + 1 + intel.size() + 1 + + snSize + 1 + pnSize + 1 + version.size() + sizeof(eof); + std::vector<uint8_t> data(contentSize); + size_t offset = 0; + // chassis type (main server chassis) + data[offset++] = 0; // language code + data[offset++] = 0; // mfg date/time + data[offset++] = 0; // mfg date/time + data[offset++] = 0; // mfg date/time + // manufacturer name + offset += fillStr(data.begin() + offset, intel); + // product name + offset += fillStr(data.begin() + offset, name); + // board sn + offset += fillDots(data.begin() + offset, snSize); + // board pn + offset += fillDots(data.begin() + offset, pnSize); + // fru version string + offset += fillStr(data.begin() + offset, version); + data[offset] = eof; + + return data; +} + +std::vector<uint8_t> genProductContents(const std::string& name) +{ + constexpr size_t headerSize = 1; + constexpr size_t pnSize = 10; + constexpr size_t pvSize = 20; + constexpr size_t snSize = 12; + constexpr size_t atSize = 20; + constexpr size_t idSize = 0; + const std::string version = "FRU Ver 0.01"; + size_t contentSize = headerSize + 1 + intel.size() + 1 + name.size() + 1 + + pnSize + 1 + pvSize + 1 + snSize + 1 + atSize + 1 + + idSize + sizeof(eof); + std::vector<uint8_t> data(contentSize); + size_t offset = 0; + // chassis type (main server chassis) + data[offset++] = 0; // language code + // manufacturer name + offset += fillStr(data.begin() + offset, intel); + // product name + offset += fillStr(data.begin() + offset, name); + // product part number + offset += fillDots(data.begin() + offset, pnSize); + // product version + offset += fillDots(data.begin() + offset, pvSize); + // product serial number + offset += fillDots(data.begin() + offset, snSize); + // product asset tag + offset += fillDots(data.begin() + offset, atSize); + // empty fru file id + offset += fillDots(data.begin() + offset, idSize); + data[offset] = eof; + + return data; +} + +int createFru(const std::string& name) +{ + std::vector<uint8_t> internal{1, 0, 0, 0, 0, 0, 0, 1}; // fixed data + FruEntry chassis(genChassisContents()); + FruEntry board(genBoardContents(name)); + FruEntry product(genProductContents(name)); + uint8_t offset = 1; // room for header's offset + FruEntry header({ + offset += 1, // internal size + offset += chassis.blocks(), + offset += board.blocks(), + }); + std::string filename = name + ".fru.bin"; + std::ofstream output(filename); + std::ostream_iterator<uint8_t> outputIter(output); + std::copy(header.value.begin(), header.value.end(), outputIter); + std::copy(internal.begin(), internal.end(), outputIter); + std::copy(chassis.value.begin(), chassis.value.end(), outputIter); + std::copy(board.value.begin(), board.value.end(), outputIter); + std::copy(product.value.begin(), product.value.end(), outputIter); + constexpr size_t minFruSize = 0x1ff; + size_t fruSize = header.value.size() + internal.size() + + chassis.value.size() + board.value.size() + + product.value.size(); + if (fruSize < minFruSize) + { + std::vector<uint8_t> padding(minFruSize - fruSize); + std::copy(padding.begin(), padding.end(), outputIter); + } + output.close(); + return 0; +} + +int main(int argc, const char* argv[]) +{ + if (argc != 2) + { + std::cerr << "Usage: " << argv[0] << " <'Product Name'>\n"; + return 1; + } + return createFru(argv[1]); +} |