78418f300d
This introduces a module for working with faux devices in rust, along with adding sample code to show how the API is used. Unlike other types of devices, we don't provide any hooks for device probe/removal - since these are optional for the faux API and are unnecessary in rust. Signed-off-by: Lyude Paul <lyude@redhat.com> Cc: Maíra Canal <mairacanal@riseup.net> Cc: Danilo Krummrich <dakr@kernel.org> Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Acked-by: Danilo Krummrich <dakr@kernel.org> Link: https://lore.kernel.org/r/2025021026-exert-accent-b4c6@gregkh Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
666 B
Rust
29 lines
666 B
Rust
// SPDX-License-Identifier: GPL-2.0-only
|
|
|
|
//! Rust faux device sample.
|
|
|
|
use kernel::{c_str, faux, prelude::*, Module};
|
|
|
|
module! {
|
|
type: SampleModule,
|
|
name: "rust_faux_driver",
|
|
author: "Lyude Paul",
|
|
description: "Rust faux device sample",
|
|
license: "GPL",
|
|
}
|
|
|
|
struct SampleModule {
|
|
_reg: faux::Registration,
|
|
}
|
|
|
|
impl Module for SampleModule {
|
|
fn init(_module: &'static ThisModule) -> Result<Self> {
|
|
pr_info!("Initialising Rust Faux Device Sample\n");
|
|
|
|
let reg = faux::Registration::new(c_str!("rust-faux-sample-device"))?;
|
|
|
|
dev_info!(reg.as_ref(), "Hello from faux device!\n");
|
|
|
|
Ok(Self { _reg: reg })
|
|
}
|
|
}
|