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Reference manual
- Contents
- Introduction
- Getting started
- Command line tool
  - Tool
    - opendmi
  - Commands
    - dump
    - entry
    - explain
    - export
    - import
    - lint
    - list
    - modules
    - show
    - types
  - Modules
    - Extension modules
- C library
  - <opendmi/defs.h>
    - dmi_member
  - <opendmi/context.h>
  - <opendmi/anonymize.h>
    - dmi_anonymize
  - <opendmi/types.h>
    - dmi_type
    - dmi_type_id
  - <opendmi/platform.h>
  - <opendmi/vendor.h>
    - dmi_vendor
  - <opendmi/module.h>
    - dmi_module_find
    - dmi_module_register
  - <opendmi/module/hpe.h>
    - dmi_hpe_platform_detect
  - <opendmi/error.h>
  - <opendmi/trace.h>
    - dmi_trace_argument_null
  - <opendmi/log.h>
  - <opendmi/locale.h>
  - <opendmi/entity.h>
  - <opendmi/registry.h>
  - <opendmi/filter.h>
  - <opendmi/attribute.h>
  - <opendmi/field.h>
  - <opendmi/value.h>
    - dmi_bool_code
    - dmi_unit
  - <opendmi/buffer.h>
  - <opendmi/reader.h>
  - <opendmi/writer.h>
  - <opendmi/decoder.h>
  - <opendmi/encoder.h>
  - <opendmi/lint.h>
  - <opendmi/backend/generic.h>
    - dmi_generic_find_entry_addr
    - dmi_generic_parse_entry_addr
  - <opendmi/utils.h>
  - <opendmi/utils/base64.h>
    - dmi_base64_decode
    - dmi_base64_encode
  - <opendmi/utils/datetime.h>
    - dmi_date_parse
  - <opendmi/utils/endian.h>
    - dmi_bswap
  - <opendmi/utils/file.h>
  - <opendmi/utils/name.h>
    - DMI_NAMES
    - dmi_name_lookup
  - <opendmi/utils/string.h>
  - <opendmi/utils/uuid.h>
    - dmi_uuid_decode
    - dmi_uuid_encode
  - <opendmi/utils/vector.h>
    - dmi_vector_initialize
  - <opendmi/utils/version.h>
  - <opendmi/entity/additional-info.h>
    - dmi_additional_info
    - dmi_additional_info_entry
  - <opendmi/entity/baseboard.h>
  - <opendmi/entity/battery.h>
    - dmi_battery
    - dmi_battery_chemistry
  - <opendmi/entity/bis-entry-point.h>
    - dmi_bis_entry_point
    - dmi_bis_real_mode_addr
  - <opendmi/entity/cache.h>
  - <opendmi/entity/chassis.h>
  - <opendmi/entity/common.h>
  - <opendmi/entity/cooling-device.h>
    - dmi_cooling_device
    - dmi_cooling_device_type
  - <opendmi/entity/firmware-inventory.h>
  - <opendmi/entity/firmware-language.h>
    - dmi_firmware_language
    - dmi_firmware_language_flags
  - <opendmi/entity/firmware.h>
  - <opendmi/entity/group-assoc.h>
    - dmi_group_assoc
    - dmi_group_assoc_item
  - <opendmi/entity/hardware-security.h>
    - dmi_hardware_security
    - dmi_hardware_security_status
  - <opendmi/entity/ipmi-device.h>
  - <opendmi/entity/memory-array-addr.h>
    - dmi_memory_array_addr
  - <opendmi/entity/memory-array.h>
  - <opendmi/entity/memory-channel.h>
  - <opendmi/entity/memory-controller.h>
  - <opendmi/entity/memory-device-addr.h>
    - dmi_memory_device_addr
  - <opendmi/entity/memory-device.h>
  - <opendmi/entity/memory-error-32.h>
    - dmi_memory_error_32
  - <opendmi/entity/memory-error-64.h>
    - dmi_memory_error_64
  - <opendmi/entity/memory-error.h>
  - <opendmi/entity/memory-module.h>
  - <opendmi/entity/mgmt-controller.h>
  - <opendmi/entity/mgmt-device-component.h>
    - dmi_mgmt_device_component
  - <opendmi/entity/mgmt-device-threshold.h>
    - dmi_mgmt_device_threshold
  - <opendmi/entity/mgmt-device.h>
  - <opendmi/entity/oem-strings.h>
    - dmi_oem_strings
  - <opendmi/entity/onboard-device-ex.h>
    - dmi_onboard_device_ex
  - <opendmi/entity/onboard-device.h>
  - <opendmi/entity/oob-remote-access.h>
    - dmi_oob_connections
    - dmi_oob_remote_access
  - <opendmi/entity/pointing-device.h>
  - <opendmi/entity/port-connector.h>
  - <opendmi/entity/power-controls.h>
    - dmi_power_controls
  - <opendmi/entity/power-supply.h>
  - <opendmi/entity/probe.h>
    - dmi_probe
    - dmi_probe_location
  - <opendmi/entity/processor-ex.h>
  - <opendmi/entity/processor.h>
  - <opendmi/entity/slot.h>
  - <opendmi/entity/string-property.h>
    - dmi_string_property
  - <opendmi/entity/system-boot.h>
    - dmi_boot_status
    - dmi_system_boot
  - <opendmi/entity/system-config.h>
    - dmi_system_config_opts
  - <opendmi/entity/system-event-log.h>
  - <opendmi/entity/system-reset.h>
    - dmi_boot_option
    - dmi_system_reset
  - <opendmi/entity/system.h>
    - dmi_system
    - dmi_system_wakeup_type
  - <opendmi/entity/tpm-device.h>
  - <opendmi/entity/intel/asf.h>
    - dmi_intel_asf
  - <opendmi/entity/intel/amt.h>
  - <opendmi/entity/intel/fvi.h>
    - dmi_intel_fvi
    - dmi_intel_fvi_item
  - <opendmi/entity/intel/mei.h>
  - <opendmi/entity/intel/platform.h>
    - dmi_intel_platform
  - <opendmi/entity/intel/svt.h>
    - dmi_intel_svt
    - dmi_intel_svt_milestone
  - <opendmi/entity/intel/vpro.h>
  - <opendmi/entity/lenovo/oem.h>
  - <opendmi/entity/lenovo/records.h>
  - <opendmi/entity/lenovo/tvt.h>
    - dmi_lenovo_tvt
  - <opendmi/entity/acer/devices.h>
  - <opendmi/entity/acer/hotkeys.h>
    - dmi_acer_hotkeys
    - dmi_acer_hotkey_entry
  - <opendmi/entity/ami/firewire-guid.h>
    - dmi_ami_firewire_guid
  - <opendmi/entity/apple/firmware-volume.h>
  - <opendmi/entity/apple/memory-spd-data.h>
    - dmi_apple_memory_spd_data
  - <opendmi/entity/apple/platform-feature.h>
    - dmi_apple_platform_feature
    - dmi_apple_platform_feature_bit
  - <opendmi/entity/apple/processor-bus-speed.h>
    - dmi_apple_processor_bus_speed
  - <opendmi/entity/apple/processor-type.h>
    - dmi_apple_processor_type
    - dmi_apple_processor_class
  - <opendmi/entity/apple/smc-version.h>
    - dmi_apple_smc_version
  - <opendmi/entity/cisco/pci-adapter.h>
    - dmi_cisco_pci_adapter
  - <opendmi/entity/cisco/slot-buses.h>
    - dmi_cisco_slot_buses
  - <opendmi/entity/dell/bios-flags.h>
    - dmi_dell_bios_flags
  - <opendmi/entity/dell/calling-iface.h>
    - dmi_dell_calling_iface
    - dmi_dell_calling_iface_token
  - <opendmi/entity/dell/common.h>
  - <opendmi/entity/dell/device-bay.h>
    - dmi_dell_device_bay
  - <opendmi/entity/dell/device-names.h>
    - dmi_dell_device_names
    - dmi_dell_device_name_entry
  - <opendmi/entity/dell/hotkeys.h>
    - dmi_dell_hotkeys
    - dmi_dell_hotkey_entry
  - <opendmi/entity/dell/indexed-io.h>
    - dmi_dell_indexed_io
    - dmi_dell_indexed_io_token
  - <opendmi/entity/dell/infrared-port.h>
    - dmi_dell_infrared_port
    - dmi_dell_infrared_proto
  - <opendmi/entity/dell/memory-ids.h>
    - dmi_dell_memory_ids
    - dmi_dell_memory_id_entry
  - <opendmi/entity/dell/parallel-port.h>
  - <opendmi/entity/dell/protected-area-1.h>
    - dmi_dell_protected_area_1
  - <opendmi/entity/dell/protected-area-2.h>
    - dmi_dell_protected_area_2
  - <opendmi/entity/dell/revisions.h>
    - dmi_dell_revisions
  - <opendmi/entity/dell/serial-port.h>
  - <opendmi/entity/dell/system-id.h>
    - dmi_dell_system_id
  - <opendmi/entity/dell/token-refs.h>
    - dmi_dell_token_refs_1
    - dmi_dell_token_refs_2
  - <opendmi/entity/dell/video-rom.h>
    - dmi_dell_video_rom
  - <opendmi/entity/hpe/backplane.h>
    - dmi_hpe_backplane
  - <opendmi/entity/hpe/common.h>
    - dmi_hpe_flag
    - dmi_hpe_encryption
  - <opendmi/entity/hpe/cru.h>
    - dmi_hpe_cru
  - <opendmi/entity/hpe/device-correlation.h>
  - <opendmi/entity/hpe/dimm-attrs.h>
    - dmi_hpe_dimm_attrs
  - <opendmi/entity/hpe/dimm-config.h>
    - dmi_hpe_dimm_config
    - dmi_hpe_interleave_health
  - <opendmi/entity/hpe/dimm-location.h>
    - dmi_hpe_dimm_location
  - <opendmi/entity/hpe/dimm-vendor.h>
    - dmi_hpe_dimm_vendor
  - <opendmi/entity/hpe/drive.h>
  - <opendmi/entity/hpe/extension-board.h>
  - <opendmi/entity/hpe/inventory.h>
    - dmi_hpe_inventory
  - <opendmi/entity/hpe/microcode.h>
    - dmi_hpe_microcode
    - dmi_hpe_microcode_patch
  - <opendmi/entity/hpe/nic.h>
  - <opendmi/entity/hpe/nic-mac.h>
    - dmi_hpe_nic_mac
  - <opendmi/entity/hpe/physical-attrs.h>
    - dmi_hpe_physical_attrs
  - <opendmi/entity/hpe/power-supply.h>
    - dmi_hpe_power_supply
    - dmi_hpe_fru_access
  - <opendmi/entity/hpe/processor.h>
    - dmi_hpe_processor
  - <opendmi/entity/hpe/proliant-info.h>
    - dmi_hpe_proliant_info
  - <opendmi/entity/hpe/rack-locator.h>
    - dmi_hpe_rack_locator
  - <opendmi/entity/hpe/reserved-memory.h>
    - dmi_hpe_reserved_memory
    - dmi_hpe_reserved_memory_entry
  - <opendmi/entity/hpe/rom-info.h>
    - dmi_hpe_rom_info
  - <opendmi/entity/hpe/super-io.h>
    - dmi_hpe_super_io
  - <opendmi/entity/hpe/system-id.h>
    - dmi_hpe_system_id
  - <opendmi/entity/hpe/tcontrol.h>
    - dmi_hpe_tcontrol
  - <opendmi/entity/hpe/trusted-module.h>
  - <opendmi/entity/hpe/usb-device.h>
  - <opendmi/entity/hpe/usb-port.h>
  - <opendmi/entity/hpe/version.h>
    - dmi_hpe_version
    - dmi_hpe_firmware_type
  - <opendmi/entity/intel-rsd/cabled-pcie.h>
    - dmi_intel_rsd_cabled_pcie
    - dmi_intel_rsd_cabled_pcie_port
  - <opendmi/entity/intel-rsd/fpga.h>
  - <opendmi/entity/intel-rsd/memory-device.h>
  - <opendmi/entity/intel-rsd/network-card.h>
    - dmi_intel_rsd_network_card
  - <opendmi/entity/intel-rsd/pcie.h>
    - dmi_intel_rsd_pcie
  - <opendmi/entity/intel-rsd/phys-device-mapping.h>
  - <opendmi/entity/intel-rsd/processor-cpuid.h>
  - <opendmi/entity/intel-rsd/storage-device.h>
  - <opendmi/entity/intel-rsd/tpm.h>
    - dmi_intel_rsd_tpm
    - dmi_intel_rsd_tpm_status
  - <opendmi/entity/intel-rsd/txt.h>
    - dmi_intel_rsd_txt
    - dmi_intel_rsd_txt_status
  - <opendmi/entity/sun/memory-array-ex.h>
    - dmi_sun_memory_array_ex
  - <opendmi/entity/sun/memory-device-ex.h>
    - dmi_sun_memory_device_ex
  - <opendmi/entity/sun/pcie-root-complex.h>
    - dmi_sun_pcie_root_complex
  - <opendmi/entity/sun/port-ex.h>
    - dmi_sun_port_ex
  - <opendmi/entity/sun/processor-ex.h>
    - dmi_sun_processor_ex
- Behind the scenes
- File formats
  - Exported documents
  - Values
  - YAML
  - JSON
  - XML
- Specifications
- Contributors

OpenDMI
Reference manual
Behind the scenes

Behind the scenes

From bytes to structures
Buffers, readers and writers
Decoders and encoders
Describing a structure
Name sets
The registry
Extension modules
Checking the data

Copyright © 2025-2026, The OpenDMI contributors. Free use of this software is granted under the terms of the BSD 3-Clause License.

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