1 // SPDX-License-Identifier: GPL-2.0
2
3 //! Rust minimal sample.
4
5 use kernel::prelude::*;
6
7 module! {
8 type: RustMinimal,
9 name: "rust_minimal",
10 author: "Rust for Linux Contributors",
11 description: "Rust minimal sample",
12 license: "GPL",
13 }
14
15 struct RustMinimal {
16 numbers: Vec<i32>,
17 }
18
19 impl kernel::Module for RustMinimal {
20 fn init(_module: &'static ThisModule) -> Result<Self> {
21 pr_info!("Rust minimal sample (init)\n");
22 pr_info!("Am I built-in? {}\n", !cfg!(MODULE));
23
24 let mut numbers = Vec::new();
25 numbers.push(72, GFP_KERNEL)?;
26 numbers.push(108, GFP_KERNEL)?;
27 numbers.push(200, GFP_KERNEL)?;
28
29 Ok(RustMinimal { numbers })
30 }
31 }
32
33 impl Drop for RustMinimal {
34 fn drop(&mut self) {
35 pr_info!("My numbers are {:?}\n", self.numbers);
36 pr_info!("Rust minimal sample (exit)\n");
37 }
38 }
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