linux-kernel - [PATCH v14 07/11] rust: pci: implement the `dma::Device` trait

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Message-ID: <20250311174930.2348813-8-abdiel.janulgue@gmail.com>
Date: Tue, 11 Mar 2025 19:48:03 +0200
From: Abdiel Janulgue <abdiel.janulgue@...il.com>
To: rust-for-linux@...r.kernel.org,
	daniel.almeida@...labora.com,
	dakr@...nel.org,
	robin.murphy@....com,
	aliceryhl@...gle.com
Cc: Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Trevor Gross <tmgross@...ch.edu>,
	Valentin Obst <kernel@...entinobst.de>,
	linux-kernel@...r.kernel.org (open list),
	Christoph Hellwig <hch@....de>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	airlied@...hat.com,
	iommu@...ts.linux.dev (open list:DMA MAPPING HELPERS),
	Abdiel Janulgue <abdiel.janulgue@...il.com>
Subject: [PATCH v14 07/11] rust: pci: implement the `dma::Device` trait

From: Danilo Krummrich <dakr@...nel.org>

The PCI bus is potentially capable of performing DMA, hence implement
the `dma:Device` trait for `pci::Device`.

Signed-off-by: Danilo Krummrich <dakr@...nel.org>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@...il.com>
---
 rust/kernel/pci.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs
index f7b2743828ae..5839aa5d4098 100644
--- a/rust/kernel/pci.rs
+++ b/rust/kernel/pci.rs
@@ -432,3 +432,5 @@ fn as_ref(&self) -> &device::Device {
         &self.0
     }
 }
+
+impl crate::dma::Device for Device {}
-- 
2.43.0