linux-kernel - Re: [PATCH v2 2/2] rust: virtio: add virtio support

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Message-ID: <c2ebdc61-6aff-ab64-a0cb-e2170edfa689@gmail.com>
Date:   Thu, 6 Apr 2023 11:22:38 -0300
From:   Martin Rodriguez Reboredo <yakoyoku@...il.com>
To:     Daniel Almeida <daniel.almeida@...labora.com>, wedsonaf@...il.com,
        ojeda@...nel.org
Cc:     rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v2 2/2] rust: virtio: add virtio support

On 4/5/23 17:14, Daniel Almeida wrote:
> This patch adds virtIO support to the rust crate. This includes the
> capability to create a virtIO driver (through the module_virtio_driver
> macro and the respective Driver trait) as well as initial virtqueue
> support.
> 
> A sample virtIO module is included for conveninence.
> 
> Signed-off-by: Daniel Almeida <daniel.almeida@...labora.com>
> ---
>  rust/bindings/bindings_helper.h |   3 +
>  rust/helpers.c                  |  25 +++
>  rust/kernel/lib.rs              |   2 +
>  rust/kernel/virtio.rs           | 261 ++++++++++++++++++++++++++++++++
>  rust/kernel/virtio/virtqueue.rs | 126 +++++++++++++++
>  samples/rust/Kconfig            |  10 ++
>  samples/rust/Makefile           |   1 +
>  samples/rust/rust_virtio.rs     | 195 ++++++++++++++++++++++++
>  8 files changed, 623 insertions(+)
>  create mode 100644 rust/kernel/virtio.rs
>  create mode 100644 rust/kernel/virtio/virtqueue.rs
>  create mode 100644 samples/rust/rust_virtio.rs

IMO this should be split further. If I were to suggest I'd say to do it
as following.

- virtio bindings
- virtqueue bindings
- sample virtio module

This way the size of each commit would be more amenable to reviews.

> 
> [...]
Regards
-> Martin