linux-kernel - Re: [PATCH v6 00/16] Device / Driver PCI / Platform Rust abstractions

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Message-ID: <00dd07c9-21a6-4515-9b62-351c6aff2d1b@gmail.com>
Date: Fri, 13 Dec 2024 08:06:13 +0100
From: Dirk Behme <dirk.behme@...il.com>
To: Danilo Krummrich <dakr@...nel.org>, gregkh@...uxfoundation.org,
 rafael@...nel.org, bhelgaas@...gle.com, ojeda@...nel.org,
 alex.gaynor@...il.com, boqun.feng@...il.com, gary@...yguo.net,
 bjorn3_gh@...tonmail.com, benno.lossin@...ton.me, tmgross@...ch.edu,
 a.hindborg@...sung.com, aliceryhl@...gle.com, airlied@...il.com,
 fujita.tomonori@...il.com, lina@...hilina.net, pstanner@...hat.com,
 ajanulgu@...hat.com, lyude@...hat.com, robh@...nel.org,
 daniel.almeida@...labora.com, saravanak@...gle.com, dirk.behme@...bosch.com,
 j@...nau.net, fabien.parent@...aro.org, chrisi.schrefl@...il.com,
 paulmck@...nel.org
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-pci@...r.kernel.org, devicetree@...r.kernel.org, rcu@...r.kernel.org
Subject: Re: [PATCH v6 00/16] Device / Driver PCI / Platform Rust abstractions

On 12.12.24 17:33, Danilo Krummrich wrote:
> This patch series implements the necessary Rust abstractions to implement
> device drivers in Rust.
> 
> This includes some basic generalizations for driver registration, handling of ID
> tables, MMIO operations and device resource handling.
> 
> Those generalizations are used to implement device driver support for two
> busses, the PCI and platform bus (with OF IDs) in order to provide some evidence
> that the generalizations work as intended.
> 
> The patch series also includes two patches adding two driver samples, one PCI
> driver and one platform driver.
> 
> The PCI bits are motivated by the Nova driver project [1], but are used by at
> least one more OOT driver (rnvme [2]).
> 
> The platform bits, besides adding some more evidence to the base abstractions,
> are required by a few more OOT drivers aiming at going upstream, i.e. rvkms [3],
> cpufreq-dt [4], asahi [5] and the i2c work from Fabien [6].
> 
> The patches of this series can also be [7], [8] and [9].

With v6.13-rc2 and Fabien's regmap/regulator/I2C on top I gave it a
try on x86 with qemu. Additionally cross compiled for arm64 and will
try it on real hardware once I have it available. But previous
versions of this series have been fine on that, already. No issues
observed for running the samples and for the examples/KUnit. So:

Tested-by: Dirk Behme <dirk.behme@...bosch.com>

Many thanks!

Dirk