linux-kernel - AER Errors

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Message-ID: <YZTIGBSFTeAdMWPj@mraturi-mbp.jnpr.net>
Date:   Wed, 17 Nov 2021 14:57:35 +0530
From:   Manish <manraturi25@...il.com>
To:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: AER Errors

Hi,

Could someone please explain the meaning of these strings:

static const char *aer_agent_string[] = {
"Receiver ID",
"Requester ID",
"Completer ID",
"Transmitter ID"
};

Like if we are receiving the below error:

[  957.912490] pci 0000:30:00.0: AER: PCIe Bus Error:
severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester
ID)

Then does it mean the error is received by port 30:00.0 or it is
generated by this port.

Thanks for the help.