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// SPDX-License-Identifier: GPL-2.0
//! Rust module parameters sample.
use kernel::prelude::*;
module! {
type: RustModuleParameters,
name: b"rust_module_parameters",
author: b"Rust for Linux Contributors",
description: b"Rust module parameters sample",
license: b"GPL",
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",
},
my_str: str {
default: b"default str val",
permissions: 0o644,
description: b"Example of a string param",
},
my_usize: usize {
default: 42,
permissions: 0o644,
description: b"Example of usize",
},
my_array: ArrayParam<i32, 3> {
default: [0, 1],
permissions: 0,
description: b"Example of array",
},
},
}
struct RustModuleParameters;
impl kernel::Module for RustModuleParameters {
fn init(_name: &'static CStr, module: &'static ThisModule) -> Result<Self> {
pr_info!("Rust module parameters sample (init)\n");
{
let lock = module.kernel_param_lock();
pr_info!("Parameters:\n");
pr_info!(" my_bool: {}\n", my_bool.read());
pr_info!(" my_i32: {}\n", my_i32.read(&lock));
pr_info!(
" my_str: {}\n",
core::str::from_utf8(my_str.read(&lock))?
);
pr_info!(" my_usize: {}\n", my_usize.read(&lock));
pr_info!(" my_array: {:?}\n", my_array.read());
}
Ok(RustModuleParameters)
}
}
impl Drop for RustModuleParameters {
fn drop(&mut self) {
pr_info!("Rust module parameters sample (exit)\n");
}
}
|
