pciutils/
kernel.rs

1use crate::access::sysfs::Sysfs;
2use crate::bdf::BusDeviceFunction;
3use crate::error::Result;
4use std::fs::read_link;
5
6#[derive(Debug)]
7pub struct Kernel;
8
9impl Kernel {
10    pub fn text(&self, bdf: &BusDeviceFunction, verbosity: u8) -> Result<String> {
11        Ok(format!(
12            "{}\n{}",
13            self.driver_text(bdf, verbosity)?,
14            self.module_text(bdf, verbosity)?
15        ))
16    }
17
18    pub fn driver_text(&self, bdf: &BusDeviceFunction, _verbosity: u8) -> Result<String> {
19        let driver_symlink = Sysfs::get_function_sub_path(bdf, "driver");
20        let driver_path = read_link(driver_symlink);
21
22        if driver_path.is_err() {
23            return Ok(String::new());
24        }
25
26        let driver_path = driver_path?;
27        let driver_path = driver_path.to_str().unwrap_or_default();
28
29        Ok(format!(
30            "\tKernel driver in use: {}",
31            driver_path.split('/').last().unwrap_or_default()
32        ))
33    }
34
35    pub fn module_text(&self, bdf: &BusDeviceFunction, _verbosity: u8) -> Result<String> {
36        let module_symlink = Sysfs::get_function_sub_path(bdf, "driver/module");
37        let module_path = read_link(module_symlink);
38
39        if module_path.is_err() {
40            return Ok(String::new());
41        }
42
43        let module_path = module_path?;
44        let module_path = module_path.to_str().unwrap_or_default();
45
46        Ok(format!(
47            "\tKernel modules: {}",
48            module_path.split('/').last().unwrap_or_default()
49        ))
50    }
51}
pciutils/kernel.rs

pciutils/
kernel.rs
