Files
linux/arch/x86/include/asm
Yazen Ghannam 612c2addff EDAC/mce_amd: Add support for FRU text in MCA
A new "FRU Text in MCA" feature is defined where the Field Replaceable
Unit (FRU) Text for a device is represented by a string in the new
MCA_SYND1 and MCA_SYND2 registers. This feature is supported per MCA
bank, and it is advertised by the McaFruTextInMca bit (MCA_CONFIG[9]).

The FRU Text is populated dynamically for each individual error state
(MCA_STATUS, MCA_ADDR, et al.). Handle the case where an MCA bank covers
multiple devices, for example, a Unified Memory Controller (UMC) bank
that manages two DIMMs.

  [ Yazen: Add Avadhut as co-developer for wrapper changes. ]
  [ bp: Do not expose MCA_CONFIG to userspace yet. ]

Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Co-developed-by: Avadhut Naik <avadhut.naik@amd.com>
Signed-off-by: Avadhut Naik <avadhut.naik@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20241022194158.110073-6-avadhut.naik@amd.com
2024-10-31 10:53:04 +01:00
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