From: Nagal, Amit via TF-A <tf-a@lists.trustedfirmware.org>
Sent: 13 September 2024 15:43
To: tf-a@lists.trustedfirmware.org <tf-a@lists.trustedfirmware.org>; support <support@arm.com>
Subject: [TF-A] Kernel source for RAS error injection on neoverse reference design platform

Hi,

I am referring to https://neoverse-reference-design.docs.arm.com/en/latest/features/ras/ras.html#error-injection-via-kernel
for RAS error injection on neoverse reference design platform.

I am referring to below steps :
mount -t debugfs none /sys/kernel/debug # Step needed for Buildroot only
echo 0x80020000 > /sys/kernel/debug/apei/einj/error_type
echo 1 > /sys/kernel/debug/apei/einj/oem-einj/sel-firmware-first
echo 1 > /sys/kernel/debug/apei/einj/oem-einj/sel-component
echo 1 > /sys/kernel/debug/apei/einj/oem-einj/sel-error-type
echo 1 > /sys/kernel/debug/apei/einj/error_inject

I want to refer to kernel source driver which exposes attributes : sel-firmware-first , sel-component , sel-error-type.
Also that driver must be doing the actual injections and registering sdei events with EL3 .

can I be advised where to look in for kernel sources ?

Regards
Amit
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