linux-kernel - [PATCH v6 0/9] Enable EINJv2 Support

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Message-ID: <20250417220019.27898-1-zaidal@os.amperecomputing.com>
Date: Thu, 17 Apr 2025 15:00:10 -0700
From: Zaid Alali <zaidal@...amperecomputing.com>
To: rafael@...nel.org,
	lenb@...nel.org,
	james.morse@....com,
	tony.luck@...el.com,
	bp@...en8.de,
	robert.moore@...el.com,
	Jonathan.Cameron@...wei.com,
	ira.weiny@...el.com,
	Benjamin.Cheatham@....com,
	dan.j.williams@...el.com,
	arnd@...db.de,
	Avadhut.Naik@....com,
	u.kleine-koenig@...gutronix.de,
	john.allen@....com,
	linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	acpica-devel@...ts.linux.dev
Subject: [PATCH v6 0/9] Enable EINJv2 Support

The goal of this update is to allow the driver to simultaneously
support EINJ and EINJv2. The implementation follows the approved ACPI
specs[1][2] that enables the driver to discover system capabilities
through GET_ERROR_TYPE.

Note: The first two ACPICA patches are to be dropped once merged in
ACPICA project, see pull request[3].

Link: https://github.com/tianocore/edk2/issues/9449 [1]
Link: https://github.com/tianocore/edk2/issues/9017 [2]
Link: https://github.com/acpica/acpica/pull/977 [3]

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.

Zaid Alali (9):
  ACPICA: Update values to hex to follow ACPI specs
  ACPICA: Add EINJv2 get error type action
  ACPI: APEI: EINJ: Fix kernel test sparse warnings
  ACPI: APEI: EINJ: Remove redundant calls to
    einj_get_available_error_type
  ACPI: APEI: EINJ: Enable the discovery of EINJv2 capabilities
  ACPI: APEI: EINJ: Add einjv2 extension struct
  ACPI: APEI: EINJ: Add debugfs files for EINJv2 support
  ACPI: APEI: EINJ: Enable EINJv2 error injections
  ACPI: APEI: EINJ: Update the documentation for EINJv2 support

 .../firmware-guide/acpi/apei/einj.rst         |  32 ++
 drivers/acpi/apei/apei-internal.h             |   2 +-
 drivers/acpi/apei/einj-core.c                 | 345 ++++++++++++++----
 drivers/acpi/apei/einj-cxl.c                  |   2 +-
 include/acpi/actbl1.h                         |  25 +-
 5 files changed, 314 insertions(+), 92 deletions(-)

-- 
2.43.0