opendmi-ng

OpenDMI: Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

• Add the ENABLE_ASAN build option
• Build and test on Intel macOS runners in CI
• Add lint command checking the data against the rules of the specification
• Add dmi_reader_mark(), dmi_reader_rewind() and dmi_reader_skip_ex(), which step over records by their declared length instead of by the bytes read from them
• Add dmi_buffer_t, which owns the SMBIOS data everything decoded from it refers to
• Add dmi_writer_t, which writes the bytes of a buffer the way dmi_reader_t reads them
• Add dmi_decoder_t and dmi_encoder_t, which read and write the values of a structure over a reader and a writer
• Add dmi_entity_buffer() and dmi_entity_offset(), which tell where the data of a structure is held
• Add dmi_field_t describing the layout of a structure on the wire, and dmi_fields_decode() decoding the specifications which declare it
• Add dmi_entity_encode() and dmi_fields_encode(), which write a structure back from its specification
• Describe the layout of nearly every structure type on the wire instead of decoding it by hand
• Add dmi_lint and the registry of the rules it checks the data against
• Add lint rules for structures, strings, values, references, additional information entries and data quality
• Add lint rules of the structure types, provided by their specifications
• Add targets, minimum and maximum attribute parameters, which lint rules check the data against
• Add basic C++ API
• Add SysFS module skeleton
• Include the manual pages of the tool and the library into the reference manual
• Add Getting started part to the reference manual
• Add legal notice to the reference manual
• Add project website built from the reference manual and published on GitHub Pages
• Describe the errors every function of the library raises in its manual page
• Add manual pages for dmi_destroy(), dmi_set_logger() and dmi_log_message()
• Complete the manual pages which held nothing but the synopsis
• Add Boot Integrity Services (BIS) entry point information decoder
• Add processor additional information decoder
• Add tests for BIS entry point, system boot, system event log, TPM device and management device threshold decoders
• Add tests for additional information overlays and module structure decoders
• Add tests for the decoder, including the copy it reads with additional information applied
• Add tests for the buffer and the writer, including the padding which keeps the bytes written already
• Add tests for the encoder itself, which the corpus reaches only through the field engine
• Add tests for the field engine, written against specifications of its own rather than against the structure types
• Add support for binary attributes
• Add support for variant attributes
• Add support for string properties (including linking)
• Show TPM device vendor ID
• Show Intel RSD network card MAC address
• Show nested structures in all output formats
• Show string properties of structures in all output formats
• Show values of additional information entries
• Add -O/--overlay global option to apply additional information entries
• Show applied additional information entries in all output formats
• Show firmware inventory versions and identifiers parsed according to their formats
• Show TPM firmware versions according to the TPM version
• Show management device thresholds in units of the components using them
• Show IPMI SMBus target addresses as numbers, and hide register details of SSIF interfaces
• Decode system event log access method address according to the access method
• Decode processor ID: signature and feature flags of x86 processors, MIDR and SoC ID of Arm processors
• Show vendor- and product-specific boot status data
• Decode all system event log fields
• Decode management controller host interface data and protocol records (DSP0270)
• Add DMI_ATTRIBUTE_FLAG_IP flag for IP addresses
• Add Dell indexed IO, calling interface and protected area decoders
• Add Intel RSD processor CPUID and physical device mapping decoders
• Add Sun extended processor, port, memory array, memory device and PCIe root complex decoders
• Add module structure specifications to the reference manual
• Add ICU4C resources for en_US and ru_RU locales
• Translate structure and attribute names to the locale
• Translate measurement units and boolean values to the locale
• Translate the header of text output to the locale
• Translate error messages and messages of the tool to the locale
• Translate the texts of unspecified, unknown and invalid values to the locale
• Translate command line help to the locale
• Add manual pages for the opendmi command line tool and all of its commands
• Add manual pages for the buffer, reader, writer, decoder and encoder APIs

Changed

• Lowercase the names of command line arguments
• Move internal definitions from <opendmi/defs.h> to a private header
• Remove unused compatibility macros from public headers
• Report all broken references when linking instead of stopping at the first one
• Report all malformed structures when decoding instead of stopping at the first one
• Stop decoding on memory exhaustion in relaxed mode too
• Leave memory exhaustion as the last error on decoding failures
• Add structure handle and expected length to minimum length errors
• Reference additional information entry values in place as dmi_binary_t
• Keep both double words in TPM firmware version for all TPM versions
• Keep boot status data of any length as dmi_binary_t instead of the first 10 bytes
• Replace unused dmi_system_log_access_method_addr union with access address fields of dmi_system_event_log_t
• Increase error queue depth from 32 to 64 entries
• Treat broken references as link failures in all structures, fatal only in strict mode
• Keep management controller interface and protocol record data as dmi_binary_t
• Take DMI context instead of logging handler in logging macros
• Unify capitalization of printable attribute names
• Replace measurement unit strings with the dmi_unit_t enumeration
• Serialize measurement units by their code names in XML output
• Require the internationalization component of ICU4C for plural rules
• Replace error message table with the dmi_error_names name set, which gives error codes their own names
• Rename dmi_targets() macro to dmi_types(), which reads as a list of structure types wherever one is needed
• Remove the unions which existed only for decoding, whose fields are decoded into the members of the structures themselves
• Split the sources of a structure type into its specification, value names, handlers and lint rules
• Declare the lint rules of a structure type along with the rest of its specification
• Decode the structures whose specification declares fields and no decoding handler with the field engine
• Link the references the attributes declare before calling the link handler, which is left for what they cannot say
• Keep the manufacture date string, the SBDS manufacture date, and the design capacity and its multiplier of portable batteries as the structure carries them
• Report memory modules larger than their controller supports with the memory-controller.module-size lint rule instead of marking their sizes invalid when linking
• Rename dmi_stream_t to dmi_reader_t, and read the values of a structure with dmi_decoder_get*() instead of dmi_stream_decode*() and dmi_stream_read*()
• Hold the SMBIOS data in the buffers of the context instead of the memory each backend allocates for itself
• Fill the buffer given to read_entry() and read_table() in backends instead of allocating the data of the context
• Take the buffer holding a structure and its offset in dmi_entity_create() instead of a pointer to its data
• Replace dmi_entity_reader() with dmi_decoder_initialize(), which sets a decoder up over the data of a structure
• Rename dmi_entity_stop() and dmi_entity_incomplete() to dmi_decoder_stop() and dmi_decoder_incomplete()
• Rename dmi_file_get() and dmi_memory_get() to dmi_file_load() and dmi_memory_load(), which fill a buffer instead of allocating the data they read

Fixed

• Fix text of the reference manual garbled in PDF viewers based on poppler
• Fix code in the reference manual set larger than the text around it
• Fix broken escape sequence printed for the text of no color of its own, which leaked into the output of the lint command
• Fix dmi_reader_seek() rejecting the end of the range, which kept a decoder from being set up over a structure of nothing but its header
• Fix --pretty option of the export command having no effect on any output format
• Fix portable battery manufacture date being dropped when the date string is malformed and the packed SBDS date is there
• Fix explain command rejecting structure types given by their number
• Fix explain command requiring the SMBIOS data of the system
• Fix name of string property value attribute
• Fix false errors on memory device references to handle 0x0000 used as unspecified value
• Fix crash on memory controller referring to undecoded memory module
• Fix structure version shown for structures shorter than the minimum length
• Fix handling of additional information entries shorter than their header
• Fix decoding of additional information values longer than 32 bytes
• Fix indentation of nested structures in text output
• Fix indentation of nested flags in text output
• Fix ICU4C initialization
• Remove trailing spaces in text output

[0.4.1] - September 18, 2026

Added

• Add DMI_SIZE_MAX constant for unknown dmi_size_t values
• Add structure type attribute to chassis contained elements
• Add decoding of processor voltage and supported voltages
• Add dmi_checksum_calc() function
• Add shared library versioning (SOVERSION)
• Add CMake package configuration and pkg-config file for libopendmi

Changed

• Rename dmi_checksum() function to dmi_checksum_test()
• Rename entry_size field of context state to entry_data_size
• Export only public API symbols from shared library

Fixed

• Represent reserved minimum and maximum counts of chassis elements as unknown values
• Show unknown firmware image size in firmware inventory information as unknown
• Fix handle attribute code of group associations items
• Keep table area size specified in the entry point instead of overwriting it with the size of data provided by backend
• Fix compatibility with dmidecode dump files
• Fix entry point version, revision and length decoding
• Fix installation of libopendmi headers and manual pages
• Fix missing opendmi manual pages
• Fix conflicting names of static and DLL import libraries with MSVC
• Fix compatibility of public headers with C11 and C17
• Do not install CMocka along with OpenDMI

[0.4.0] - September 17, 2026

Added

• Add Intel RSD FPGA information decoder #88
• Add tests for module handling functions
• Add tests for context handling functions
• Add tests for entry point handling functions
• Add tests for registry handling functions
• Add tests for stream handling functions
• Add tests for entity handling functions
• Add tests for management controller information decoder
• Add tests for IPMI device information decoder
• Add tests for firmware inventory information decoder
• Add tests for Intel RSD FPGA information decoder
• Add entity type conflicts check to dmi_add_extension()
• Add dmi_has_extension() function
• Add tests for command line options parser
• Add tests for command line commands, including check for duplicate option names
• Add support for filtering entities by module
• Add -M/--all-modules option to types command and entity filter
• Add test coverage support for CLI
• Add CI workflows for FreeBSD and NetBSD
• Add tests for output formats
• Add tests for processor information decoder
• Add tests for firmware information decoder
• Add check for duplicate attribute codes to module tests
• Add dmi_processor_status_name() function
• Add dmi_attribute_get_count() function
• Add UTF-8 validation to JSON output
• Add DMI_ERROR_INVALID_DUMP error code
• Add tests for file utilities
• Add tests for loading of corrupted dumps
• Add tests for output format iterators
• Add module tests for static library
• Add dmi_module_next() function for iteration over built-in and registered modules
• Add dmi_stream_has() function
• Add dmi_entity_stop() and dmi_entity_incomplete() functions for decoders of extended structures
• Add DMI_ENTITY_STATE_INCOMPLETE entity state for structures, which end in the middle of a set of fields
• Add DMI_ENTITY_STATE_PARTIAL entity state for structures of older specification versions
• Add compile-time size checks for value unions
• Add tests for portable battery information decoder
• Add -V/--verbose option to show command to show structure versions and states, overriding -q/--quiet and vice versa
• Add structure states to XML, JSON and YAML output
• Add dmi_entity_state_names name set
• Use less as default pager on POSIX systems if PAGER environment variable is not set
• Use pager for show, list, explain, entry and modules commands

Changed

• Replace --log=<file> option with --log-file=<file>, -l/--log option now takes no argument
• Rename short form of --dump option in show and export commands from -u to -D
• Rename -a/--all option of lint command to -A/--all-checks
• Make argument of -m/--module option mandatory in types command and entity filter
• Accept option arguments starting with dash, as getopt() does
• Reject unexpected arguments of commands
• Migrate management controller information decoder to stream API
• Fetch CMocka from release tarball instead of Git repository
• Copy library DLL next to CLI executable on Windows
• Split CI workflow for Linux and macOS into separate workflows
• Change type of string index argument of dmi_entity_string_ex() to size_t
• Replace nested status structure in dmi_processor_t with is_populated and status fields
• Write YAML strings, dates, versions and enumeration values as quoted scalars without tags
• Report files, which are not SMBIOS dumps, with a descriptive error message
• Share iteration over arrays, flags and strings between output formats
• Replace dmi_modules list with static dmi_builtin_modules array, built-in modules are no longer registered by constructors
• Make dmi_module_register() return bool and reject modules with duplicate codes
• Write flags of value sets in XML output as flag elements with name attribute
• Migrate cache, firmware, portable battery, system boot, system event log, chassis, baseboard, processor and memory device information decoders to stream API
• Decode only completely present fields of incomplete sets of fields, and mark such structures as incomplete
• Use common handling of structures extended in newer specification versions in all decoders
• Use the type of raw value for all bit fields of value unions
• Pass output options (mode, raw data dump and pretty output) to output format handlers and entity printing functions
• Remove raw SMBIOS data structures of decoders migrated to stream API
• Use nullptr instead of NULL in documentation

Fixed

• Fix SMBIOS 3.x revision number decoding
• Fix SMBIOS 2.1 maximum entity size decoding
• Fix headers fileset in libopendmi
• Fix dmi_registry_iter_init() return value
• Fix signed numbers handling in dmi_attribute_format_decimal()
• Fix potential use-after-free in dmi_close()
• Fix handling of CR/LF in dump files on Windows
• Fix entity length check in dmi_entity_create()
• Fix memory leak in dmi_entity_decode_strings()
• Fix dmi_registry_get() behavior on invalid handles
• Fix error queue overflow handling in dmi_error_slot_get()
• Fix legacy entry point SMBIOS version decoding
• Fix buffer overrun errors in chassis information decoder
• Fix buffer overrun errors in baseboard information decoder
• Fix cache installed size decoding
• Fix memory device extended size and rank decoding
• Fix memory array extended capacity decoding
• Fix temperature probe accuracy decoding
• Fix voltage probe min/max/nominal values, tolerance, resolution and accuracy decoding
• Fix current probe min/max/nominal values, tolerance, resolution and accuracy decoding
• Fix IPMI device address type decoding
• Fix firmware inventory ID format decoding
• Fix Intel RSD processor CPUID entity specification
• Fix format-truncation warning on GCC 16 #112
• Fix UUID decoding test on big-endian architectures
• Fix command line arguments counting in dmi_option_parse()
• Fix handling of optional arguments with short options
• Fix dmi_option_find_long() behavior on long-only options
• Fix segmentation fault on -m/-S command line options
• Fix conflict of -u option with entity filter in show and export commands
• Fix conflict of -a/--all options with entity filter in lint command
• Fix unterminated long option names in lint command
• Fix missing error message on unknown type in -t/--type option
• Fix log file opening error handling
• Fix exit codes of command line tool on output errors
• Fix incomplete writes handling in dmi_save() and export command
• Fix redundant zero-length calls in dmi_file_read() and dmi_file_write()
• Fix crash of entry command on missing entry point data
• Fix raw output of types and modules commands when pager is used
• Fix terminal state after interrupting pager with Ctrl-C
• Fix double handle close on pager start errors on Windows
• Fix termination on unknown terminal type
• Fix out-of-bounds read on empty SMBIOS table area
• Fix stack overflow on long date strings in dmi_date_parse()
• Fix address type and logging target in FreeBSD and NetBSD backends
• Fix session memory leaks in JSON, YAML and XML output formats
• Fix whole SMBIOS table rejection on a single malformed structure in non-strict mode
• Fix hang and crashes in output formats on structures with more than 255 strings
• Fix unclosed tags in XML output on string output errors
• Fix missing socket status and version in processor information
• Fix duplicate error-correction attribute code in memory controller information
• Fix terminal color detection, which never enabled colored log messages and disabled colored output
• Fix reading of array counters narrower than size_t in output formats
• Fix false flags in output of sets with 32 or more bits
• Fix invalid UTF-8 in JSON output, invalid bytes are now replaced with U+FFFD #94
• Fix missing firmware features in SMBIOS 2.0 firmware information
• Fix missing extended firmware features in SMBIOS 2.1 to 2.3 firmware information
• Fix invalid UTF-8 and control characters in XML output #94
• Fix YAML values being read as numbers, booleans or dates (e.g. serial number 00000000 or version 2.10)
• Fix reading of empty files on platforms, where zero-sized allocation fails
• Fix whole SMBIOS table rejection on a structure with invalid length in non-strict mode
• Fix structure count of truncated SMBIOS tables
• Fix missing extension modules when linking with static library
• Fix invalid element names in XML output for flags with codes starting with a digit (e.g. 5v)
• Fix name of Intel RSD cabled PCIe port information structure
• Fix wrong bit field layout of value unions with MinGW, which made all flags reported as set on Windows
• Fix minimum length of portable battery information
• Fix level of firmware information with two characteristics extension bytes
• Fix cache handles of SMBIOS 2.0 processor information
• Fix bogus rack type and height in chassis information with incomplete SMBIOS 3.9 fields
• Fix dmi_stream_skip() not updating remaining size
• Fix unchecked decoding results of system information and Dell revisions structures
• Fix decoding failures of structures with incomplete optional fields, completely present fields are decoded now
• Fix ignored -q/--quiet option of show command, meta-data and handle references are now hidden
• Fix raw color escape sequences shown by less pager, LESS environment variable now defaults to FRX
• Fix missing colors in pager output of show command

[0.3.2] - April 19, 2026

Added

• Add dmi_stream_skip() and dmi_stream_remaining() functions
• Add memory module size checks on controller linking

Changed

• Enable linking in show command
• Relax linking of memory controller information
• Normalize firmware language information structure layout
• Migrate firmware language information decoder to stream API
• Migrate memory channel information decoder to stream API
• Migrate memory controller information decoder to stream API
• Migrate memory module information decoder to stream API
• Migrate onboard device information decoder to stream API
• Migrate string property decoder to stream API

Fixed

• Fix build and CI on Windows #110
• Fix memory module installed/enabled size decoding
• Fix memory module bank count decoding

[0.3.1] - April 17, 2026

Added

• Add additional information structure decoding #76
• Add firmware inventory components linking #70
• Add --dump option to show and export commands
• Add regression test script #93

Changed

• Migrate firmware inventory information decoder to stream API
• Refactor logging engine

Fixed

• Fix firmware inventory version decoding
• Fix issues found by PVS-Studio
• Fix linking of ICU4C artifacts #79

[0.3.0] - April 11, 2026

Added

• Add Windows backend #99
• Add NetBSD backend #97
• Add pager support on Windows
• Add explain command implementation
• Add Intel RSD network card information decoder #81
• Add Intel RSD PCIe information decoder #82
• Add Intel RSD storage device information decoder #84
• Add Intel RSD TPM information decoder #85
• Add Intel RSD TXT information decoder #86
• Add Intel RSD memory device information decoder #87
• Add Intel RSD cabled PCIe port information decoder #89
• Add registry status flags support
• Add dmi_pci_class_t, dmi_pci_slot_t, dmi_pci_vendor_id_t, dmi_pci_device_id_t types for PCI identifiers
• Add --compiler option to build.sh
• Add new manual pages:
  • dmi_base64_decode(), dmi_base64_encode()
  • dmi_entity_create(), dmi_entity_destroy()
  • dmi_entity_decode(), dmi_entity_link()
  • dmi_entity_data(), dmi_entity_info()
  • dmi_entity_handle(), dmi_entity_type(), dmi_entity_name()
  • dmi_entity_string(), dmi_entity_string_ex()
  • dmi_error_message()
  • dmi_error_get_first(), dmi_error_get_last()
  • dmi_error_peek_first(), dmi_error_peek_last()
  • dmi_error_raise(), dmi_error_raise_ex()
  • dmi_error_clear()
  • dmi_file_lock(), dmi_file_unlock()
  • dmi_file_seek(), dmi_file_tell(), dmi_file_stat()
  • dmi_file_read(), dmi_file_write()
  • dmi_file_close()
  • dmi_stream_initialize()
  • dmi_stream_decode(), dmi_stream_decode_at()
  • dmi_stream_decode_bcd(), dmi_stream_decode_bcd_at()
  • dmi_stream_decode_str(), dmi_stream_decode_str_at()
  • dmi_stream_decode_uuid(), dmi_stream_decode_uuid_at()
  • dmi_stream_is_done()
  • dmi_stream_read(), dmi_stream_read_at()
  • dmi_stream_read_data(), dmi_stream_read_data_at()
  • dmi_stream_seek()
  • dmi_stream_reset()
  • dmi_uuid_decode(), dmi_uuid_encode()
  • dmi_version_format(), dmi_version_format_ex()
• Compress manual pages after creation

Changed

• Disable --no-sysfs option on non-Linux systems
• Disable --path option on Windows systems

Fixed

• Fix crash on truncated SMBIOS data #103
• Fix context creation on truncated SMBIOS data #103
• Fix minor CppCheck warnings
• Fix minor AsciiDoctor warnings
• Fix manual page name sections formatting

[0.2.3] - March 25, 2026

Added

• Add memory channel device linking #73
• Add colorization of boolean values
• Add YAML schema validation on regression tests

Changed

• Migrate out-of-band remote access decoder to stream API
• Migrate system configuration options decoder to stream API
• Migrate system reset information decoder to stream API
• Migrate system information decoder to stream API
• Migrate temperature/voltage/current probe decoders to stream API
• Migrate TPM device characteristics decoder to stream API

Fixed

• Fix binary strings output in YAML export
• Fix unknown entity level output in YAML export
• Fix address attributes display format #66
• Fix entry command exit code
• Fix table area address display format

[0.2.2] - March 20, 2026

Added

• Add entry command implementation

Fixed

• Update outdated SMBIOS data indices
• Fix handling of incorrect UTF-8 sequences in YAML export
• Fix missing tag for binary data in YAML export

[0.2.1] - March 17, 2026

Added

• Add YAML emitter error handling
• Add type tags output in YAML export
• Add version number to entry point specification
• Store entry point specification in context
• Add context address size detection
• Add binary data output in JSON export
• Add binary data output in YAML export
• Add raw strings output in JSON export
• Add raw strings output in YAML export
• Add Base64 encoding/decoding functions to utils
• Add Lenovo ThinkCentre M720q 10T8 data

Changed

• Use literal style for binary data in YAML export

Fixed

• Fix opendmi invocation in reindex script
• Fix error counting in reindex script
• Fix build without YAML/JSON/XML libraries
• Fix CHANGELOG format

[0.2.0] - March 16, 2026

Added

• Add all-new command line interface
• Add AMI, Intel and Sun extension skeletons
• Add FreeBSD backend
• Add JSON output support
• Add SMBIOS data reindexing tool
• Add logging to files
• Add structure levels output in YAML dumps
• Add autoloading of vendor-specific extensions
• Add new structure decoders:
  • AMI type 221 (reverse-engineered, partial)
  • Dell revisions and IDs (type 208)
  • Dell parallel port (type 209)
  • Dell serial port (type 210)
  • Dell infrared port (type 211)
• Add specifications for OEM-specific structures:
  • Dell revisions and IDs (type 208)
  • Dell parallel port (type 209)
  • Dell serial port (type 210)
  • Dell infrared port (type 211)
• Complete system slots decoder
• Add memory controller structure linking
• Add system boot status decoding
• Add support for enumeration range names
• Add reference manual skeleton
• Add automated manual pages generation via AsciiDoctor #7
• Add new manual pages:
  • dmi_memory_array_addr
  • dmi_pointing_device
  • dmi_cooling_device
• Add --prefix option to build.sh #77
• Add install command to build.sh #78
• Add test coverage build

Changed

• Migrate to CMocka for testing
• Rename dmi_pointing_device_interface_t to dmi_pointing_device_iface_t
• Move <opendmi/name.h> to <opendmi/utils/name.h>
• Refactor entity decoders API

Fixed

• Fix build on FreeBSD platform
• Fix firmware inventory components list decoding
• Fix portable battery SBDS manufacture date decoding
• Fix display of end-of-table structure
• Fix Centronics connector naming
• Fix management protocol naming
• Fix zero handle linking behavior
• Fix group association items list decoding

[0.1.4] - January 13, 2026

Fixed

• Fix memory controller module size decoding
• Fix hardware security settings decoding
• Fix power supply structure minimum length
• Fix cooling device structure minimum length
• Fix current probe structure minimum length
• Fix temperature probe structure minimum length
• Fix voltage probe structure minimum length
• Fix baseboard structure minimum length

[0.1.3] - January 11, 2026

Added

• Add automatic string trimming
• Add baseboard structure linking
• Add physical memory array structure linking
• Add power supply structure linking

Fixed

• Fix invalid memory access in dmi_entity_string_ex()
• Fix memory leak in memory channel decoder
• Fix memory leak in context error queue

[0.1.2] - January 09, 2026

Added

• Add --type option for filtering by type
• Add tests for dmi_date_parse()

Changed

• Downgrade CMake to version 3.25 to improve compatibility

Fixed

• Fix dmi_file_read() behavior on SysFS
• Fix dmi_file_map() error handling
• Fix firmware ROM size decoding
• Fix platform firmware version decoding
• Fix embedded controller firmware version decoding
• Fix processor socket type decoding
• Fix cache extended maximum and installed sizes decoding
• Fix memory array extended capacity decoding
• Fix memory array mapping extended addresses decoding
• Fix memory device mapping extended addresses decoding
• Fix cooling device description decoding
• Fix portable battery SBDS version decoding
• Fix system event log structure version decoding

[0.1.1] - January 07, 2026

Added

• Add colors for unknown and unspecified values
• Add display of structure types in handle arrays
• Add new manual pages:
  • dmi_bswap16()
  • dmi_bswap32()
  • dmi_bswap64()
• Mark unspecified values for IPMI device interrupt trigger mode and polarity

Changed

• Unify date handling via dmi_date_t type:
  • Use dmi_date_t for firmware release date
  • Use dmi_date_t for portable battery manufacture date
  • Remove field sbds_manufacture_date from portable battery descriptor

Fixed

• Fix baseboard features set decoding
• Fix battery SBDS manufacture date decoding
• Fix IPMI device non-volatile storage address decoding
• Fix incorrect decoding of incomplete structures:
  • system information (dmi_system_t)
  • baseboard (dmi_baseboard_t)
  • processor (dmi_processor_t)
  • memory device (dmi_memory_device_t)
  • system enclosure or chassis (dmi_chassis_t)
• Fix incorrect address display formats:
  • firmware BIOS segment address
  • memory array starting and ending addresses
  • memory device starting and ending addresses
  • memory error address
  • management device address
• Fix formatting of signed integers smaller than int

[0.1] - January 02, 2026

• First public release
• Full support for SMBIOS specification up to version 3.9
• Basic implementation of libopendmi library with Linux, macOS and dump file backends
• Basic implementation of opendmi command line tool with XML and YAML output formats and color output support

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