Struct DmaBuffer 

pub struct DmaBuffer {
    pub virt: NonNull<u8>,
    pub bus_addr: u64,
    pub len: usize,
}

DMA buffer passed from the runtime queue layer to a driver queue.

Fields

virt: NonNull<u8>

CPU virtual address for drivers that need to build descriptors from a slice or write transport-specific headers.

bus_addr: u64

Device-visible DMA address for hardware descriptors.

len: usize

Buffer length in bytes.

Trait Implementations

impl Clone for DmaBuffer

fn clone(&self) -> DmaBuffer

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for DmaBuffer

impl Debug for DmaBuffer

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.