chapter2: smbios requirements

- Require SMBIOS and some structures.
- Add a reference to the SMBIOS specification v3.7.0.

Suggested-by: Peter Robinson <[email protected]>
Signed-off-by: Vincent Stehlé <[email protected]>

source/chapter2-uefi.rst

@@ -362,6 +362,35 @@ 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
+------
+
+Firmware shall provide SMBIOS tables and structures as described in
+[SMBIOS]_ § 5 & 6. [#SMBNote]_
+All of the following SMBIOS structures are required for EBBR compliance.
+
+.. list-table:: Required SMBIOS structures
+   :widths: 50 50
+   :header-rows: 1
+
+   * - Structure
+     - Description
+   * - BIOS Information (Type 0)
+     - Provides BIOS informations, such as vendor and version.
+   * - System Information (Type 1)
+     - Provides system informations, such as product name, manufacturer and
+       serial number.
+   * - System Enclosure or Chassis (Type 3)
+     - Provides chassis informations, such as the asset tag.
+   * - Processor Information (Type 4)
+     - Provides CPU informations, such as the type, count and frequency.
+   * - System Boot Information (Type 32)
+     - Provides the boot status.
+
+.. [#SMBNote] Support tools such as sosreport use SMBIOS to provide information
+   to users and collect information for support cases.
+   https://github.com/sosreport/sos
+
 UEFI Boot Services
 ==================
 

source/references.rst

@@ -51,3 +51,7 @@ Bibliography
    Version 20211203
 
 .. [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>`_