linux-kernel - [PATCH v3 0/4] stratix10: Add framework for asynchronous communication with SDM

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Message-Id: <20250526-sip_svc_upstream-v3-0-6a08a4502de3@altera.com>
Date: Mon, 26 May 2025 14:25:03 +0800
From: Mahesh Rao via B4 Relay <devnull+mahesh.rao.altera.com@...nel.org>
To: Dinh Nguyen <dinguyen@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Mahesh Rao <mahesh.rao@...era.com>
Cc: Matthew Gerlach <matthew.gerlach@...era.com>, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v3 0/4] stratix10: Add framework for asynchronous
 communication with SDM

The patch set includes the following changes:

- Add protection for querying memory objects in
  multi-threaded flow.
- Add support to generate and maintain message id
  and client id for asynchronous communication with SDM.
- Add framework to communicate with Secure Device
  Manager(SDM) asynchronously by sending a request
  and polling for response.
- Add interrupt definition in Agilex devicetree
  for asynchronous communication.
- Add SDM interrupt support for Agilex platform
  supporting asynchronous communication.
- Add support to optionally notify the clients if
  response is available using interrupts from SDM.
- Add commands for querying temperature and voltage
  from SDM.

---
Changes in v3:
- Changed "Stratix 10" to "Stratix10" in the commit
  message and in source code.
- Simplified stratix10_svc_add_async_client() by removing
  redundant code for async common channel initialization.
- Fixed resource cleanup on negative path in
  stratix10_svc_remove_async_client() and stratix10_svc_async_init().
- Removed optional interrupt handler support, will send the patches
  in a separate patch-set.

- Link to v2: https://lore.kernel.org/r/20250512-sip_svc_upstream-v2-0-fae5c45c059d@altera.com

Changes in v2:
- Added Reviewed by tag from Rob Herring for dt-binding
  patch.
- Resending the patch-set as there is no response from
  the maintainers for the previous patch submission.

- Link to v1: https://lore.kernel.org/r/20250422-sip_svc_upstream-v1-0-088059190f31@altera.com

---
Mahesh Rao (4):
      firmware: stratix10-svc: Add mutex lock and unlock in stratix10 memory allocation/free
      firmware: stratix10-svc: Implement ID pool management for asynchronous operations
      firmware: stratix10-svc: Add initial support for asynchronous communication with Stratix10 service channel
      firmware: stratix10-svc: Add support for HWMON temperature and voltage read command.

 drivers/firmware/stratix10-svc.c                   | 871 ++++++++++++++++++++-
 include/linux/firmware/intel/stratix10-smc.h       |  62 ++
 .../linux/firmware/intel/stratix10-svc-client.h    |  99 +++
 3 files changed, 1021 insertions(+), 11 deletions(-)
---
base-commit: 0a4b866d08c6adaea2f4592d31edac6deeb4dcbd
change-id: 20250131-sip_svc_upstream-e78d8c9b4335
prerequisite-change-id: 20250109-socfpga_sip_svc_misc-bbcdfb7a0028:v3
prerequisite-patch-id: 6a4223bd2c01a0fd20925e597c906dc64e11ec2f
prerequisite-patch-id: 33ca4dbe8b8e18d3e51145c6bcaae55170878b22
prerequisite-patch-id: a02bca91874f4405191e60704574a0c99f37d184

Best regards,
-- 
Mahesh Rao <mahesh.rao@...era.com>