Parameter support

To have more flexibility, switch to a procedural macro instead.

Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>

1 files changed, 23 insertions, 6 deletions

diff --git a/drivers/char/rust_example/src/lib.rs b/drivers/char/rust_example/src/lib.rs
index 56562b840d9c..e058124bb662 100644
--- a/drivers/char/rust_example/src/lib.rs
+++ b/drivers/char/rust_example/src/lib.rs
@@ -5,6 +5,26 @@
 
 use kernel::prelude::*;
 
+module!{
+    typename: RustExample,
+    name: b"rust_example",
+    author: b"Rust for Linux Contributors",
+    description: b"An example kernel module written in Rust",
+    license: b"GPL v2",
+    params: {
+        my_bool: bool {
+            default_: true,
+            permissions: 0,
+            description: b"Example of bool",
+        },
+        my_i32: i32 {
+            default_: 42,
+            permissions: 0o644,
+            description: b"Example of i32",
+        },
+    },
+}
+
 struct RustExample {
     message: String,
 }
@@ -13,6 +33,9 @@ impl KernelModule for RustExample {
     fn init() -> KernelResult<Self> {
         println!("Rust Example (init)");
         println!("Am I built-in? {}", !cfg!(MODULE));
+        println!("Parameters:");
+        println!("  my_bool:  {}", my_bool.read());
+        println!("  my_i32:   {}", my_i32.read());
         Ok(RustExample {
             message: "on the heap!".to_owned(),
         })
@@ -26,9 +49,3 @@ impl Drop for RustExample {
     }
 }
 
-kernel_module!(
-    RustExample,
-    author: b"Rust for Linux Contributors",
-    description: b"An example kernel module written in Rust",
-    license: b"GPL v2"
-);