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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 -- 2.34.1
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