linux-kernel - [PATCH v4 0/2] Rust abstractions for Device & Firmware

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Date: Tue, 18 Jun 2024 17:48:33 +0200
From: Danilo Krummrich <dakr@...hat.com>
To: gregkh@...uxfoundation.org,
	rafael@...nel.org,
	mcgrof@...nel.org,
	russ.weight@...ux.dev,
	ojeda@...nel.org,
	alex.gaynor@...il.com,
	wedsonaf@...il.com,
	boqun.feng@...il.com,
	gary@...yguo.net,
	bjorn3_gh@...tonmail.com,
	benno.lossin@...ton.me,
	a.hindborg@...sung.com,
	aliceryhl@...gle.com,
	airlied@...il.com,
	fujita.tomonori@...il.com,
	pstanner@...hat.com,
	ajanulgu@...hat.com,
	lyude@...hat.com
Cc: rust-for-linux@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Danilo Krummrich <dakr@...hat.com>
Subject: [PATCH v4 0/2] Rust abstractions for Device & Firmware

Hi,

as agreed in [1] this is the separate series for the device and firmware
abstractions to unblock the inclusion of Fujita's PHY driver.

Originally, those patches were part of the patch series [2][3].

Changes in v4
=============
- add invariant of unmodified backing buffer to `Firmware` (Boqun)

Changes in v3
=============
- fix safety comments for `Send` and `Sync` for `Device` (Boqun)
- add corresponding invariant and safety requirement for `Device::from_raw`
  (Boqun)
- drop `Firmware::request_platform` and `Firmware::request_direct` (Greg)
- fix missing Kconfig entry for `Firmware` (Greg)
- fix doctest compilation for `Firmware`

Changes in v2
=============
- use the 'srctree/' notation
- expand the existing documentation and make it more unambiguous
- use `NonNull` in `Firmware`
- generalize the `Firmware` request functions
- add missing safety comments to `Firmware`

[1] https://lore.kernel.org/rust-for-linux/2024060745-palatable-dragging-32d1@gregkh/
[2] https://lore.kernel.org/rust-for-linux/20240520172554.182094-1-dakr@redhat.com/
[3] https://lore.kernel.org/rust-for-linux/20240520172059.181256-1-dakr@redhat.com/


Danilo Krummrich (2):
  rust: add abstraction for struct device
  rust: add firmware abstractions

 drivers/base/firmware_loader/Kconfig |   7 ++
 rust/bindings/bindings_helper.h      |   1 +
 rust/helpers.c                       |   1 +
 rust/kernel/device.rs                | 102 +++++++++++++++++++++++++++
 rust/kernel/firmware.rs              | 101 ++++++++++++++++++++++++++
 rust/kernel/lib.rs                   |   3 +
 6 files changed, 215 insertions(+)
 create mode 100644 rust/kernel/device.rs
 create mode 100644 rust/kernel/firmware.rs


base-commit: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
-- 
2.45.1