Expand description
DMA-Buf Heap Helper Library
The DMA-Buf Heap interface in Linux is aimed at providing a way for the user-space to allocate memory buffers that can be efficiently shared between multiple devices through the DMA-Buf mechanism. It aims at superseeding the ION Interface previously found in Android.
This library provides a safe abstraction over this interface for Rust.
Hello World
use std::os::unix::io::OwnedFd;
use dma_heap::{Heap, HeapKind};
let heap = Heap::new(HeapKind::Cma)
.unwrap();
// Buffer will automatically be freed when `buffer` goes out of scope.
let buffer: OwnedFd = heap.allocate(1024).unwrap();Structs
Our DMA-Buf Heap