linux-kernel - Re: [PATCH 0/7] Address Translation support for MI200 and MI300 models

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Date:   Thu, 26 Oct 2023 09:21:29 -0400
From:   Yazen Ghannam <yazen.ghannam@....com>
To:     Muralidhara M K <muralimk@....com>, linux-edac@...r.kernel.org,
        x86@...nel.org
Cc:     yazen.ghannam@....com, linux-kernel@...r.kernel.org, bp@...en8.de,
        mchehab@...nel.org, Muralidhara M K <muralidhara.mk@....com>
Subject: Re: [PATCH 0/7] Address Translation support for MI200 and MI300
 models

On 10/25/2023 3:33 AM, Muralidhara M K wrote:
> From: Muralidhara M K <muralidhara.mk@....com>
> 
> This patchset adds support for MI200 heterogeneous address translation support
> and MI300A address translation support, fixups on HBM3 memory address maps.
> 
> The patch set depends on the Yazen's patches submitted
> "AMD Address Translation Library"
> https://lore.kernel.org/linux-edac/20231005173526.42831-1-yazen.ghannam@amd.com/T/#m4a9ddb63b334f367219ab0002a9a133e891f6aac
> 
> The patchset does following
> 
> Patch 1:
> MI200 heterogeneous address translation support.
> 
> Patch 2:
> MI300 heterogeneous address translation support.
> 
> Patch 3:
> Convert HBM3 MCA Decoded address to Normalized address.
> 
> Patch 4:
> lookup table to get the correct cs instance id for HBM3.
> 
> Patch 5:
> Convert physical cs id to logical cs id by static lookup
> table.
> 
> Patch 6:
> Reading correct bit fields to get cs_fabric_id.

I expect some of these patches to be functionally out of order.

> 
> Patch 7:
> Identify all physical pages in a row to retire all 8 columns
> of pages when the error is injected to avoid future errors.
> 
> 
> Muralidhara M K (7):
>    RAS: Add Address Translation support for MI200
>    RAS: Add Address Translation support for MI300
>    RAS: Add MCA Error address conversion for UMC
>    RAS: Add static lookup table to get CS physical ID
>    RAS: Add fixed Physical to logical CS ID mapping table
>    RAS: Get CS fabirc ID register bit fields
>    EDAC/amd64: RAS: platform/x86/amd: Identify all physical pages in row
> 
>   drivers/edac/amd64_edac.c         |   5 +
>   drivers/ras/amd/atl/core.c        |   5 +-
>   drivers/ras/amd/atl/dehash.c      | 149 ++++++++++++++
>   drivers/ras/amd/atl/denormalize.c | 110 ++++++++++-
>   drivers/ras/amd/atl/internal.h    |  27 ++-
>   drivers/ras/amd/atl/map.c         | 158 ++++++++++++---
>   drivers/ras/amd/atl/reg_fields.h  |  42 +++-
>   drivers/ras/amd/atl/system.c      |   4 +
>   drivers/ras/amd/atl/umc.c         | 309 +++++++++++++++++++++++++++++-
>   include/linux/amd-atl.h           |   2 +
>   10 files changed, 778 insertions(+), 33 deletions(-)
> 

This set doesn't have any changes in arch/x86, so it's not necessary to 
copy the x86 list.

Thanks,
Yazen