user_driver

Trait DmaClient

Source 
pub trait DmaClient:
    Send
    + Sync
    + Inspect {
    // Required methods
    fn allocate_dma_buffer(&self, total_size: usize) -> Result<MemoryBlock>;
    fn attach_pending_buffers(&self) -> Result<Vec<MemoryBlock>>;
}
Expand description

Device interfaces for DMA.

Required Methods§

Source

fn allocate_dma_buffer(&self, total_size: usize) -> Result<MemoryBlock>

Allocate a new DMA buffer. This buffer must be zero initialized.

TODO: string tag for allocation?

Source

fn attach_pending_buffers(&self) -> Result<Vec<MemoryBlock>>

Attach all previously allocated memory blocks.

Implementors§