1 files changed, 7 insertions, 0 deletions
diff --git a/src/block_device/mod.rs b/src/block_device/mod.rs
new file mode 100644
index 0000000..9d52e53
--- /dev/null
+++ b/src/block_device/mod.rs
@@ -0,0 +1,7 @@
+pub mod memory_disk;
+
+pub const BLOCK_SIZE: usize = 4096;
+pub trait BlockDevice {
+    fn read(&self, block_id: usize, buffer: &mut [u8]);
+    fn write(&self, block_id: usize, buffer: &[u8]);
+}