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Recommend smbios #108

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20 changes: 20 additions & 0 deletions source/chapter2-uefi.rst
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Expand Up @@ -385,6 +385,26 @@ The DTB must be contained in memory of type `EfiACPIReclaimMemory`.
.. [#ACPIMemNote] `EfiACPIReclaimMemory` was chosen to match the recommendation
for ACPI tables which fulfill the same task as the DTB.

SMBIOS
------

It is strongly recommended that firmware provides SMBIOS tables and structures.
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@xypron xypron Jun 17, 2024

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We should require that the information is provided as EFI configuration table:

It is strongly recommended that firmware provides an SMBIOS EFI configuration table with an SMBIOS 3.0 (64-bit) Entry Point and at least the following SMBIOS tables:

  • BIOS Information (Type 0)
  • System Information (Type 1)
  • Baseboard (or Module) Information (Type 2)
  • System Enclosure or Chassis (Type 3)
  • Processor Information (Type 4)

[#SMBNote]_

If firmware provides SMBIOS tables and structures then it must provide them as
described in :UEFI:`4.6.1.1` and [SMBIOS]_ § 5 & 6.

.. warning:: A future version of this specification will require firmware to
provide SMBIOS tables and strutures and will explicitly list which ones are
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@xypron xypron Jun 17, 2024

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%s/strutures/structures/

required.

.. [#SMBNote] Support tools such as sosreport use SMBIOS to provide information
to users and collect information for support cases.
https://github.com/sosreport/sos

SMBIOS informations are also useful to identify systems in a fleet of
devices.

UEFI Protocols
==============

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4 changes: 4 additions & 0 deletions source/references.rst
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Expand Up @@ -56,6 +56,10 @@ Bibliography

.. [RVUEFI] `RISC-V UEFI Protocol Specification <https://github.com/riscv-non-isa/riscv-uefi/releases/download/1.0.0/RISCV_UEFI_PROTOCOL-spec.pdf>`_

.. [SMBIOS] `System Management BIOS (SMBIOS) Reference Specification v3.7.0
<https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.7.0.pdf>`_,
July 2023, `DMTF <https://www.dmtf.org>`_

.. [TCG2] `TCG EFI Protocol Specification, Family “2.0”, Level 00 Revision 00.13.
<https://trustedcomputinggroup.org/wp-content/uploads/EFI-Protocol-Specification-rev13-160330final.pdf>`_
March 2016, `Trusted Computing Group <https://trustedcomputinggroup.org/>`_