!742 SPR: EDAC driver enhance for driver decode and 2LM

Merge Pull Request from: @youquan_song 
 
[Description]​
SPR: EDAC driver enhance for driver decode and 2LM

Current i10nm_edac only supports firmware decoder (ACPI DSM methods) for Sapphire Rapids. So add the driver decoder(decoding DDR memory errors via extracting error information from the IMC MC error codes) for Sapphire Rapids for better decoding performance.
Enhance the SPR HBM EDAC driver to decode errors from the 1st level memory (the fast "near" memory as cache) of the 2-level memory system.

It will be valuable to avoid SMI triggered to call firware decoder, especially when CE (Correctable Error) triggered frequently on DDR memory.

6e8746cb EDAC/skx_common: Enable EDAC support for the "near" memory.
221aa03f EDAC/i10nm: Add driver decoder for Sapphire Rapids server.

[Testing]
download: https://git.kernel.org/pub/scm/linux/kernel/git/aegl/ras-tools.git
# echo 1 > /sys/module/i10nm_edac/parameters/decoding_via_mca
# modprobe einj
# cd /home/ras-tools/
# ./cmcistorm 1
0: vaddr = 0x117b490 paddr = 4884ef490
# dmesg and check the address was decoded.
 
 
Link:https://gitee.com/openeuler/kernel/pulls/742

 

Reviewed-by: Jason Zeng <jason.zeng@intel.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>