Hi Ard,
I will review the series this week.
Regards,
Sami Mujawar
On 22/09/2021, 12:47, "Ard Biesheuvel" <a...@kernel.org> wrote:
On Fri, 3 Sept 2021 at 15:39, Omkar Kulkarni <omkar.kulka...@arm.com> wrote:
>
> Gentle reminder, to review this patch series.
>
Sami, would you mind taking this one?
>
> > On August 24, 2021 11:30 AM, Omkar Kulkarni wrote:
> > Changes since v2:
> > - Rebased to the latest upstream code.
> >
> > This patch series introduces platform support for RAS using Firmware
First
> > error handling. Firmware first error handling on ARM Neoverse reference
> > design platforms is achieved using HEST[1] and SDEI[2] ACPI tables.
> >
> > For doing so the Platform Error handler DXE driver is introduced. This
driver
> > is integral part of the firmware first error handling framework in
EDK2. SDEI
> > being the notification mechanism used to communicate the platform errors
> > to OSPM, it builds and installs the SDEI ACPI table. Also installs the
HEST table
> > which is already created as part of firmware first framework in EDK2.
> >
> > This series does provide a reference implementation to leverage the
> > firmware first framework by implementing a platform MM driver for
> > Dynamic Memory Controller DMC[3] that has RAS feature enabled. This
> > driver mainly handles
> > following:
> > - Implements the Hest Error Source Descriptor protocol introduced as
part of
> > firmware first framework in EDK2. Publishes the 1-bit ECC DRAM error
> > sources
> > as GHESv2[4] type error source descriptors.
> > - For any 1-bit CE that occurs on DRAM it reads DMC error record
registers
> > and
> > populates a error status block (CPER)[5] of Memory Type error[6].
> >
> > References:
> > [1] : ACPI 6.3, Table 18-382, Hardware Error Source Table [2] : SDEI
Platform
> > Design Document, revision b, 10 Appendix C, ACPI table
> > definitions for SDEI
> > [3] : DMC620 Dynamic Memory Controller, revision r1p0 [4] : ACPI
Reference
> > Specification 6.3, Table 18-393 GHESv2 Structure [5] : UEFI Reference
> > Specification 2.8, Appendix N - Common Platform Error
> > Record
> > [6] : UEFI Reference Specification 2.8, Section N.2.5 Memory Error
Section
> >
> > This patch series is dependent on the edk2 patch series
> > https://edk2.groups.io/g/devel/message/79741
> >
> > Link to github branch with the patches in this series -
> > https://github.com/omkkul01/edk2-platforms/tree/ras_firware_first_edk2-
> > platforms_v3
> >
> > Omkar Anand Kulkarni (5):
> > Platform/ARM: Add DMC-620 ECC error handling driver
> > Platform/Sgi: dmc-620 firmware-first error handling
> > Platform/Sgi: define memory region for GHES error status block
> > Platform/Sgi: Define values for ACPI table header
> > Platform/Sgi: Add platform error handling driver
> >
> > Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.dec | 30 ++
> > Platform/ARM/SgiPkg/SgiPlatform.dec | 1 +
> > Platform/ARM/SgiPkg/SgiPlatform.dsc.inc | 38 ++
> > Platform/ARM/SgiPkg/SgiPlatformMm.dsc.inc | 30 ++
> > Platform/ARM/SgiPkg/PlatformStandaloneMm.fdf | 6 +
> > Platform/ARM/SgiPkg/SgiPlatform.fdf | 13 +
> > Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.inf | 61 +++
> > .../PlatformErrorHandlerDxe.inf | 51 +++
> > .../Library/PlatformLib/PlatformLib.inf | 6 +
> > Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.h | 174 +++++++++
> > Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.c | 362
> > ++++++++++++++++++
> > .../Dmc620Mm/Dmc620MmErrorSourceInfo.c | 194 ++++++++++
> > .../PlatformErrorHandlerDxe.c | 171 +++++++++
> > .../Library/PlatformLib/PlatformLibMem.c | 13 +-
> > 14 files changed, 1148 insertions(+), 2 deletions(-) create mode
100644
> > Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.dec
> > create mode 100644 Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.inf
> > create mode 100644
> > Platform/ARM/SgiPkg/Drivers/PlatformErrorHandlerDxe/PlatformErrorHandl
> > erDxe.inf
> > create mode 100644 Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.h
> > create mode 100644 Platform/ARM/Drivers/Dmc620Mm/Dmc620Mm.c
> > create mode 100644
> > Platform/ARM/Drivers/Dmc620Mm/Dmc620MmErrorSourceInfo.c
> > create mode 100644
> > Platform/ARM/SgiPkg/Drivers/PlatformErrorHandlerDxe/PlatformErrorHandl
> > erDxe.c
> >
> > --
> > 2.17.1
> >
> >
> >
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