[PATCH 00/10] SMBIOS improvements

[Caleb Connolly]

Hi Raymond,

I haven't managed to root cause it yet, but this series seems to make 
the RB3 Gen 2 Qualcomm board hang during relocation.

How early post-relocation does any code here get called?

On 16/08/2024 17:46, Raymond Mao wrote:
> Motivations for changes:
> Current SMBIOS library and command-line tool is not fully matching with
> the requirements:
> 1. Missing support for other mandatory types (#7, #9, #16, #17, #19).
> 2. Only a few platforms support SMBIOS node from the device tree.
> 3. Values of some fields are hardcoded in the library other than fetching
>     from the device hardware.
> 4. Embedded data with dynamic length is not supported (E.g. Contained
>     Object Handles in Type #2 and Contained Elements in Type #3)
> 
> Changes:
> 1. Refactor the SMBIOS library and command-line tool to better align with
>     the SMBIOS spec.
> 2. Create an arch-specific driver for all aarch64-based platforms to fetch
>     SMBIOS private data from the device hardware.
> 3. Create a sysinfo driver to poppulate platform SMBIOS private data.
> 4. Put device tree SMBIOS node as a fallback solution when SMBIOS data is
>     missing from sysinfo driver.
> 5. Add support for Type #7 (Cache Information) and link its handles to
>     Type #4.
> 
> Once this patch is acceptted, subsequent patch sets will add other missing
> types (#9, #16, #17, #19).
> 
> Raymond Mao (10):
>    sysinfo: Add sysinfo API for accessing data area
>    sysinfo: Add sysinfo driver and data structure for SMBIOS
>    smbios: Refactor SMBIOS library
>    smbios: ignore the non-existence of platform sysinfo detect
>    armv8: Add arch-specific sysinfo driver
>    sysinfo: Add sysinfo driver for SMBIOS type 7
>    smbios: Add support to SMBIOS type 7
>    armv8: Add sysinfo driver for cache information
>    configs: Enable sysinfo for QEMU Arm64
>    tests: update smbios pytest
> 
>   arch/arm/cpu/armv8/Makefile      |   5 +
>   arch/arm/cpu/armv8/sysinfo.c     | 391 ++++++++++++++++++++++++++
>   cmd/smbios.c                     | 350 ++++++++++++++++++++++-
>   configs/qemu_arm64_defconfig     |   2 +
>   drivers/misc/Kconfig             |   2 +-
>   drivers/sysinfo/Makefile         |   1 +
>   drivers/sysinfo/smbios_plat.c    | 442 +++++++++++++++++++++++++++++
>   drivers/sysinfo/smbios_plat.h    | 131 +++++++++
>   drivers/sysinfo/sysinfo-uclass.c |  20 ++
>   include/smbios.h                 | 240 ++++++++++++++--
>   include/sysinfo.h                | 124 ++++++++-
>   lib/Makefile                     |   2 +
>   lib/smbios.c                     | 461 ++++++++++++++++++++++++++-----
>   test/py/tests/test_smbios.py     |   2 +-
>   14 files changed, 2058 insertions(+), 115 deletions(-)
>   create mode 100644 arch/arm/cpu/armv8/sysinfo.c
>   create mode 100644 drivers/sysinfo/smbios_plat.c
>   create mode 100644 drivers/sysinfo/smbios_plat.h
> 

-- 
// Caleb (they/them)