linux-kernel - [PATCH 0/3] Add MCTP-over-KCS transport binding

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Message-Id: <20230928123009.2913-1-aladyshev22@gmail.com>
Date:   Thu, 28 Sep 2023 15:30:06 +0300
From:   Konstantin Aladyshev <aladyshev22@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     minyard@....org, joel@....id.au, andrew@...id.au,
        avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
        venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
        aladyshev22@...il.com, jk@...econstruct.com.au,
        matt@...econstruct.com.au, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, openbmc@...ts.ozlabs.org,
        netdev@...r.kernel.org
Subject: [PATCH 0/3] Add MCTP-over-KCS transport binding

This change adds a MCTP KCS transport binding, as defined by the DMTF
specificiation DSP0254 - "MCTP KCS Transport Binding".
A MCTP protocol network device is created for each KCS channel found in
the system.
The interrupt code for the KCS state machine is based on the current
IPMI KCS driver.
Since the KCS subsystem code is now used both in IPMI and MCTP drivers
the separate patchsets move KCS subsystem includes to a common folder.

Tested:
PLDM communication between the HOST and BMC was tested with both
components implemented via open-source software:
- The HOST (UEFI firmware) part was based one the edk2 [1] and
edk2-platforms [2] code,
- The BMC part was based on the openbmc [3] distribution.

The testing process and all the necessary utilities are described in
the [4] repository.

[1]: https://github.com/tianocore/edk2
[2]: https://github.com/tianocore/edk2-platforms
[3]: https://github.com/openbmc/openbmc
[4]: https://github.com/Kostr/PLDM

Konstantin Aladyshev (3):
  ipmi: Move KCS headers to common include folder
  ipmi: Create header with KCS interface defines
  mctp: Add MCTP-over-KCS transport binding

 drivers/char/ipmi/kcs_bmc.c                   |   8 +-
 drivers/char/ipmi/kcs_bmc_aspeed.c            |   3 +-
 drivers/char/ipmi/kcs_bmc_cdev_ipmi.c         |  73 +-
 drivers/char/ipmi/kcs_bmc_npcm7xx.c           |   2 +-
 drivers/char/ipmi/kcs_bmc_serio.c             |   2 +-
 drivers/net/mctp/Kconfig                      |   8 +
 drivers/net/mctp/Makefile                     |   1 +
 drivers/net/mctp/mctp-kcs.c                   | 624 ++++++++++++++++++
 include/linux/ipmi_kcs.h                      |  80 +++
 .../char/ipmi => include/linux}/kcs_bmc.h     |   0
 .../ipmi => include/linux}/kcs_bmc_client.h   |   3 +-
 .../ipmi => include/linux}/kcs_bmc_device.h   |   3 +-
 12 files changed, 723 insertions(+), 84 deletions(-)
 create mode 100644 drivers/net/mctp/mctp-kcs.c
 create mode 100644 include/linux/ipmi_kcs.h
 rename {drivers/char/ipmi => include/linux}/kcs_bmc.h (100%)
 rename {drivers/char/ipmi => include/linux}/kcs_bmc_client.h (97%)
 rename {drivers/char/ipmi => include/linux}/kcs_bmc_device.h (96%)

-- 
2.25.1