netdev - [PATCH 0/3] MCTP over PCC

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Message-Id: <20240513173546.679061-1-admiyo@os.amperecomputing.com>
Date: Mon, 13 May 2024 13:35:43 -0400
From: admiyo@...amperecomputing.com
To:
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Adam Young <admiyo@...amperecomputing.com>
Subject: [PATCH 0/3] MCTP over PCC

From: Adam Young <admiyo@...amperecomputing.com>

This series adds support for the Management Control Transport Protocol (MCTP)
over the Platform Communication Channel (PCC) mechanism.

MCTP defines a communication model intended to
facilitate communication between Management controllers
and other management controllers, and between Management
controllers and management devices

PCC is a mechanism for communication between components within
the  Platform.  It is a composed of shared memory regions,
interrupt registers, and status registers.

The MCTP over PCC driver makes use of two PCC channels. For
sending messages, it uses a Type 3 channel, and for receiving
messages it uses the paired Type 4 channel.  The device
and its corresponding channels are specified via ACPI.

Adam Young (3):
  mctp pcc: Implement MCTP over PCC Transport
  mctp pcc: Allow PCC Data Type in MCTP resource.
  mctp pcc: RFC Check before sending MCTP PCC response ACK

 drivers/acpi/acpica/rsaddr.c |   2 +-
 drivers/mailbox/pcc.c        |   5 +-
 drivers/net/mctp/Kconfig     |  12 ++
 drivers/net/mctp/Makefile    |   1 +
 drivers/net/mctp/mctp-pcc.c  | 372 +++++++++++++++++++++++++++++++++++
 include/acpi/pcc.h           |   1 +
 6 files changed, 391 insertions(+), 2 deletions(-)
 create mode 100644 drivers/net/mctp/mctp-pcc.c

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2.34.1