[PATCH v2 3/5] rust: pci: implement the `dma::Device` trait
From: Danilo Krummrich
Date: Wed Jul 16 2025 - 11:11:15 EST
The PCI bus is potentially capable of performing DMA, hence implement
the `dma:Device` trait for `pci::Device`.
Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx>
---
rust/kernel/pci.rs | 2 ++
1 file changed, 2 insertions(+)
diff --git a/rust/kernel/pci.rs b/rust/kernel/pci.rs
index 8435f8132e38..c0aef0e1faac 100644
--- a/rust/kernel/pci.rs
+++ b/rust/kernel/pci.rs
@@ -434,6 +434,8 @@ pub fn set_master(&self) {
kernel::impl_device_context_deref!(unsafe { Device });
kernel::impl_device_context_into_aref!(Device);
+impl crate::dma::Device for Device<device::Core> {}
+
// SAFETY: Instances of `Device` are always reference-counted.
unsafe impl crate::types::AlwaysRefCounted for Device {
fn inc_ref(&self) {
--
2.50.0