[RFC PATCH 0/9] ACPI:RASF: Add support for ACPI RASF, ACPI RAS2 and configure scrubbers

shiju.jose
2023-09-15T17:30:08Z

From: Shiju Jose <shiju.jose@huawei.com>

This series add,
1. support for ACPI RASF(RAS feature table) PCC interfaces
to communicate with the HW patrol scrubber in the platform,
as per ACPI 5.1 & upwards revision. Section 5.2.20.

2. support for ACPI RAS2(RAS2 feature table), as per
ACPI 6.5 & upwards revision. Section 5.2.21.

3. scrub driver supports configuring parameters of the memory
scrubbers in the system. This driver has been implemented
based on the hwmon subsystem.

The features have tested with RASF and RAS2 emulation in the QEMU.

Previous references to the memory scub and RASF topics.
https://lore.kernel.org/all/20221103155029.2451105-1-jiaqiyan@google.com/
https://patchwork.kernel.org/project/linux-arm-kernel/patch/CS1PR84MB0038718F49DBC0FF03919E1184390@CS1PR84MB0038.NAMPRD84.PROD.OUTLOOK.COM/

A Somasundaram (2):
ACPI:RASF: Add extract RASF table to register RASF platform devices
ACPI:RASF: Add common library for RASF and RAS2 PCC interfaces

Shiju Jose (7):
memory: scrub: Add scrub driver supports configuring memory scrubbers
in the system
memory: scrub: sysfs: Add Documentation entries for set of scrub
attributes
Documentation/scrub-configure.rst: Add documentation for scrub driver
memory: RASF: Add memory RASF driver
ACPICA: ACPI 6.5: Add support for RAS2 table
ACPI:RAS2: Add driver for ACPI RAS2 feature table (RAS2)
memory: RAS2: Add memory RAS2 driver

.../ABI/testing/sysfs-class-scrub-configure | 82 ++++
Documentation/scrub-configure.rst | 55 +++
drivers/acpi/Kconfig | 15 +
drivers/acpi/Makefile | 1 +
drivers/acpi/ras2_acpi.c | 97 ++++
drivers/acpi/rasf_acpi.c | 71 +++
drivers/acpi/rasf_acpi_common.c | 272 +++++++++++
drivers/memory/Kconfig | 15 +
drivers/memory/Makefile | 3 +
drivers/memory/ras2.c | 334 +++++++++++++
drivers/memory/rasf.c | 335 +++++++++++++
drivers/memory/rasf_common.c | 251 ++++++++++
drivers/memory/scrub/Kconfig | 11 +
drivers/memory/scrub/Makefile | 6 +
drivers/memory/scrub/memory-scrub.c | 452 ++++++++++++++++++
include/acpi/actbl2.h | 55 +++
include/acpi/rasf_acpi.h | 59 +++
include/memory/memory-scrub.h | 85 ++++
include/memory/rasf.h | 82 ++++
19 files changed, 2281 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-class-scrub-configure
create mode 100644 Documentation/scrub-configure.rst
create mode 100755 drivers/acpi/ras2_acpi.c
create mode 100755 drivers/acpi/rasf_acpi.c
create mode 100755 drivers/acpi/rasf_acpi_common.c
create mode 100644 drivers/memory/ras2.c
create mode 100644 drivers/memory/rasf.c
create mode 100644 drivers/memory/rasf_common.c
create mode 100644 drivers/memory/scrub/Kconfig
create mode 100644 drivers/memory/scrub/Makefile
create mode 100755 drivers/memory/scrub/memory-scrub.c
create mode 100755 include/acpi/rasf_acpi.h
create mode 100755 include/memory/memory-scrub.h
create mode 100755 include/memory/rasf.h

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