diff options
Diffstat (limited to 'rust/kernel/dma.rs')
| -rw-r--r-- | rust/kernel/dma.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/rust/kernel/dma.rs b/rust/kernel/dma.rs index b2a6282876da..4e0af3e1a3b9 100644 --- a/rust/kernel/dma.rs +++ b/rust/kernel/dma.rs @@ -9,8 +9,8 @@ use crate::{ device::{Bound, Core}, error::{to_result, Result}, prelude::*, + sync::aref::ARef, transmute::{AsBytes, FromBytes}, - types::ARef, }; /// DMA address type. @@ -252,6 +252,9 @@ pub mod attrs { /// Indicates that the buffer is fully accessible at an elevated privilege level (and /// ideally inaccessible or at least read-only at lesser-privileged levels). pub const DMA_ATTR_PRIVILEGED: Attrs = Attrs(bindings::DMA_ATTR_PRIVILEGED); + + /// Indicates that the buffer is MMIO memory. + pub const DMA_ATTR_MMIO: Attrs = Attrs(bindings::DMA_ATTR_MMIO); } /// DMA data direction. |