linux-hardening - [PATCH v8 0/7] Enable EINJv2 Support

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Message-ID: <20250604223804.842501-1-zaidal@os.amperecomputing.com>
Date: Wed,  4 Jun 2025 15:37:57 -0700
From: Zaid Alali <zaidal@...amperecomputing.com>
To: rafael@...nel.org,
	lenb@...nel.org,
	james.morse@....com,
	tony.luck@...el.com,
	bp@...en8.de,
	kees@...nel.org,
	gustavoars@...nel.org,
	zaidal@...amperecomputing.com,
	Jonathan.Cameron@...wei.com,
	sudeep.holla@....com,
	u.kleine-koenig@...libre.com,
	jonathanh@...dia.com,
	viro@...iv.linux.org.uk,
	ira.weiny@...el.com,
	peterz@...radead.org,
	sthanneeru.opensrc@...ron.com,
	gregkh@...uxfoundation.org,
	Benjamin.Cheatham@....com,
	dave.jiang@...el.com,
	linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: [PATCH v8 0/7] Enable EINJv2 Support

The goal of this update is to allow the driver to simultaneously
support EINJ and EINJv2. The implementation follows ACPI 6.6
specs[1] that enables the driver to discover system capabilities
through GET_ERROR_TYPE.

Link: https://uefi.org/specs/ACPI/6.6/18_Platform_Error_Interfaces.html#error-injection [1]

V5:
        *Users no longer input component array size, instead it
         is counted by parsing the component array itself.
V6:
        *Fix memory leak.
        *If EINJv2 initialization failed, EINJv1 will still work, and
         probe function will continue with disabled EINJv2.
V7:
        *Update component array to take 128-bit values to match ACPI specs.
        *Enable Vendor EINJv2 injections
        *Moved component array parsing and validating to a separate
         function to improve readability.
V8:
	*Update UI to use single value files for component array.
	*Update links to point to recent ACPI 6.6 spec release.
	*Updated commit messages and documentation patch.
	*Dropped the first two patches as they were merged via
	 ACPICA project.


Tony Luck (1):
  ACPI: APEI: EINJ: Create debugfs files to enter device id and syndrome

Zaid Alali (6):
  ACPI: APEI: EINJ: Fix kernel test sparse warnings
  ACPI: APEI: EINJ: Enable the discovery of EINJv2 capabilities
  ACPI: APEI: EINJ: Add einjv2 extension struct
  ACPI: APEI: EINJ: Discover EINJv2 parameters
  ACPI: APEI: EINJ: Enable EINJv2 error injections
  ACPI: APEI: EINJ: Update the documentation for EINJv2 support

 .../firmware-guide/acpi/apei/einj.rst         |  33 ++
 drivers/acpi/apei/apei-internal.h             |   2 +-
 drivers/acpi/apei/einj-core.c                 | 371 ++++++++++++++----
 drivers/acpi/apei/einj-cxl.c                  |   2 +-
 4 files changed, 339 insertions(+), 69 deletions(-)

-- 
2.43.0