linux-kernel - Re: [PATCH v4 0/9] [PATCH v3 0/9] platform/wmi: Introduce marshalling support

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Message-Id: <176892030133.15020.7666397577705687464.b4-ty@linux.intel.com>
Date: Tue, 20 Jan 2026 16:45:01 +0200
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: hansg@...nel.org, Armin Wolf <W_Armin@....de>
Cc: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux@...ssschuh.net, Dell.Client.Kernel@...l.com, corbet@....net, 
 linux-doc@...r.kernel.org
Subject: Re: [PATCH v4 0/9] [PATCH v3 0/9] platform/wmi: Introduce
 marshalling support

On Fri, 16 Jan 2026 21:41:07 +0100, Armin Wolf wrote:

> The Windows WMI-ACPI driver likely uses wmilib [1] to interact with
> the WMI service in userspace. Said library uses plain byte buffers
> for exchanging data, so the WMI-ACPI driver has to convert between
> those byte buffers and ACPI objects returned by the ACPI firmware.
> 
> The format of the byte buffer is publicly documented [2], and after
> some reverse eingineering of the WMI-ACPI driver using a set of custom
> ACPI tables, the following conversion rules have been discovered:
> 
> [...]


Thank you for your contribution, it has been applied to my local
review-ilpo-next branch. Note it will show up in the public
platform-drivers-x86/review-ilpo-next branch only once I've pushed my
local branch there, which might take a while.

The list of commits applied:
[1/9] platform/wmi: Introduce marshalling support
      commit: 015b70a6ae697f5dac3562e4ab45ee275d98860b
[2/9] platform/wmi: Add kunit test for the marshalling code
      commit: 29dfba69c3ddb7945cd772042c6a9ce770c1ba22
[3/9] platform/wmi: Add helper functions for WMI string conversions
      commit: b990a06f7ec6dc3ceecd8015c3b421690f267122
[4/9] platform/wmi: Add kunit test for the string conversion code
      commit: 0e1a8143e79713eef7e027737fed259aa58866e7
[5/9] platform/x86: intel-wmi-sbl-fw-update: Use new buffer-based WMI API
      commit: 534f685d8a952371148e1374576f8ede2919ec1d
[6/9] platform/x86/intel/wmi: thunderbolt: Use new buffer-based WMI API
      commit: e210986f52b657301d009e23344e3effec12bbeb
[7/9] platform/x86: xiaomi-wmi: Use new buffer-based WMI API
      commit: bb7527c63f8567d69a22a818aa5999be47c5d479
[8/9] platform/x86: wmi-bmof: Use new buffer-based WMI API
      commit: 926a266575a21e96c4c0b9c16b1da1f7fda5a519
[9/9] platform/wmi: Update driver development guide
      commit: 2177a02246ffef9ed4a01af2942119e601312965

--
 i.