diff options
| -rw-r--r-- | ipmi_fru_info_area.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ipmi_fru_info_area.cpp b/ipmi_fru_info_area.cpp index e10eee5..089a7cb 100644 --- a/ipmi_fru_info_area.cpp +++ b/ipmi_fru_info_area.cpp @@ -46,6 +46,16 @@ static constexpr auto secs_per_min = 60; static constexpr auto secsToMaxMfgdate = secs_from_1970_1996 + secs_per_min * maxMfgDateValue; +// Minimum size of resulting FRU blob. +// This is also the theoretical maximum size according to the spec: +// 8 bytes header + 5 areas at 0xff*8 bytes max each +// 8 + 5*0xff*8 = 0x27e0 +static constexpr auto fruMinSize = 0x27E0; + +// Value to use for padding. +// Using 0xff to match the default (blank) value in a physical EEPROM. +static constexpr auto fruPadValue = 0xff; + /** * @brief Format Beginning of Individual IPMI FRU Data Section * @@ -427,6 +437,13 @@ FruAreaData buildFruAreaData(const FruInventoryData& inventory) // add product use area data combFruArea.insert(combFruArea.end(), prodArea.begin(), prodArea.end()); + // If area is smaller than the minimum size, pad it. This enables ipmitool + // to update the FRU blob with values longer than the original payload. + if (combFruArea.size() < fruMinSize) + { + combFruArea.resize(fruMinSize, fruPadValue); + } + return combFruArea; } |
