Implement mount/unmount

src/error.rs

@@ -10,6 +10,7 @@ primitive_enum!(pub enum Error: u32 {
     IsADirectory = 7,
     InvalidFile = 8,
     NotImplemented = 9,
+    NotADirectory = 10,
 });
 
 pub trait FromSyscallResult: Sized {

src/io.rs

@@ -1,11 +1,27 @@
 use core::fmt;
 
 #[derive(Clone, Copy, PartialEq, Debug, PartialOrd, Ord, Eq)]
+#[repr(transparent)]
 pub struct RawFd(pub u32);
 
 #[derive(Clone, Copy, PartialEq, Eq)]
+#[repr(transparent)]
 pub struct OpenFlags(pub u32);
 
+#[derive(Clone, Debug)]
+#[repr(C)]
+pub struct MountOptions {
+    pub source: Option<&'static str>,
+    pub filesystem: Option<&'static str>,
+    pub target: &'static str,
+}
+
+#[derive(Clone, Debug)]
+#[repr(C)]
+pub struct UnmountOptions {
+    pub mountpoint: &'static str,
+}
+
 const O_READ: u32 = 1 << 0;
 const O_WRITE: u32 = 1 << 1;
 

src/syscall.rs

@@ -10,5 +10,8 @@ primitive_enum!(pub enum SyscallFunction: usize {
     Open = 7,
     Close = 8,
 
+    Mount = 101,
+    Unmount = 102,
+
     DebugTrace = 128,
 });