1// SPDX-License-Identifier: GPL-2.0
 2
 3//! Rust printing macros sample.
 4
 5use kernel::pr_cont;
 6use kernel::prelude::*;
 7
 8module! {
 9    type: RustPrint,
10    name: "rust_print",
11    author: "Rust for Linux Contributors",
12    description: "Rust printing macros sample",
13    license: "GPL",
14}
15
16struct RustPrint;
17
18impl kernel::Module for RustPrint {
19    fn init(_module: &'static ThisModule) -> Result<Self> {
20        pr_info!("Rust printing macros sample (init)\n");
21
22        pr_emerg!("Emergency message (level 0) without args\n");
23        pr_alert!("Alert message (level 1) without args\n");
24        pr_crit!("Critical message (level 2) without args\n");
25        pr_err!("Error message (level 3) without args\n");
26        pr_warn!("Warning message (level 4) without args\n");
27        pr_notice!("Notice message (level 5) without args\n");
28        pr_info!("Info message (level 6) without args\n");
29
30        pr_info!("A line that");
31        pr_cont!(" is continued");
32        pr_cont!(" without args\n");
33
34        pr_emerg!("{} message (level {}) with args\n", "Emergency", 0);
35        pr_alert!("{} message (level {}) with args\n", "Alert", 1);
36        pr_crit!("{} message (level {}) with args\n", "Critical", 2);
37        pr_err!("{} message (level {}) with args\n", "Error", 3);
38        pr_warn!("{} message (level {}) with args\n", "Warning", 4);
39        pr_notice!("{} message (level {}) with args\n", "Notice", 5);
40        pr_info!("{} message (level {}) with args\n", "Info", 6);
41
42        pr_info!("A {} that", "line");
43        pr_cont!(" is {}", "continued");
44        pr_cont!(" with {}\n", "args");
45
46        Ok(RustPrint)
47    }
48}
49
50impl Drop for RustPrint {
51    fn drop(&mut self) {
52        pr_info!("Rust printing macros sample (exit)\n");
53    }
54}