| use crate::errors::*; |
| |
| #[derive(Debug, Copy, Clone)] |
| pub struct BlockDeviceGeometry { |
| pub block_size: usize, |
| pub block_count: usize, |
| } |
| |
| pub trait BlockDevice { |
| fn geom(&self) -> BlockDeviceGeometry; |
| fn read_block(&self, block: usize, block: &mut [u8]) -> Result<(), BFSErr>; |
| fn write_block(&mut self, block: usize, block: &[u8]) -> Result<(), BFSErr>; |
| fn erase_block(&mut self, block: usize) -> Result<(), BFSErr>; |
| |
| fn read_range(&self, addr: usize, data: &mut [u8]) -> Result<(), BFSErr>; |
| fn write_range(&mut self, addr: usize, data: &[u8]) -> Result<(), BFSErr>; |
| fn overwrite_range(&mut self, addr: usize, data: &[u8]) -> Result<(), BFSErr>; |
| } |