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From:   Avadhut Naik <Avadhut.Naik@amd.com>
To:     <rafael@kernel.org>, <gregkh@linuxfoundation.org>,
        <lenb@kernel.org>, <linux-acpi@vger.kernel.org>,
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CC:     <avadnaik@amd.com>, <yazen.ghannam@amd.com>,
        <alexey.kardashevskiy@amd.com>, <linux-kernel@vger.kernel.org>
Subject: [RFC PATCH v2 0/3] Add support for Vendor Defined Error Types in Einj Module
Date:   Thu, 25 May 2023 20:44:19 +0000
Message-ID: <20230525204422.4754-1-Avadhut.Naik@amd.com>
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This patchset adds support for Vendor Defined Error types in the einj
module by exporting a binary blob file in module's debugfs directory.
Userspace tools can write OEM Defined Structures into the blob file as
part of injecting Vendor defined errors.

The first patch refactors available_error_type_show() function to ensure
all errors supported by the platform are output through einj module's
available_error_type file in debugfs.

The second patch adds a write callback for binary blobs created through
debugfs_create_blob() API.

The third adds the required support i.e. establishing the memory mapping
and exporting it through debugfs blob file for Vendor-defined Error types.

Changes in V2:
 - Split the v1 patch, as was recommended, to have a seperate patch for
changes in debugfs.
 - Refactored available_error_type_show() function into a seperate patch.
 - Changed file permissions to octal format to remove checkpatch warnings.

Avadhut Naik (3):
  ACPI: APEI: EINJ: Refactor available_error_type_show()
  fs: debugfs: Add write functionality to debugfs blobs
  ACPI: APEI: EINJ: Add support for vendor defined error types

 drivers/acpi/apei/einj.c | 62 ++++++++++++++++++++++++++--------------
 fs/debugfs/file.c        | 28 ++++++++++++++----
 2 files changed, 64 insertions(+), 26 deletions(-)

-- 
2.34.1