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