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Refactor virtio drivers with DMA APIs

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This commit is contained in:
Jianfeng Jiang
2024-03-12 11:01:50 +00:00
committed by Tate, Hongliang Tian
parent 5e127b2da0
commit cd1575bc6d
22 changed files with 853 additions and 311 deletions
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21
kernel/comps/console/src/lib.rs
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@ -10,17 +10,20 @@ extern crate alloc;
use alloc::{collections::BTreeMap, fmt::Debug, string::String, sync::Arc, vec::Vec};
use core::any::Any;
use aster_frame::sync::SpinLock;
use aster_frame::{sync::SpinLock, vm::VmReader};
use component::{init_component, ComponentInitError};
use spin::Once;
pub type ConsoleCallback = dyn Fn(&[u8]) + Send + Sync;
pub type ConsoleCallback = dyn Fn(VmReader) + Send + Sync;
pub trait AnyConsoleDevice: Send + Sync + Any + Debug {
fn send(&self, buf: &[u8]);
fn recv(&self, buf: &mut [u8]) -> Option<usize>;
/// Registers callback to the console device.
/// The callback will be called once the console device receive data.
///
/// Since the callback will be called in interrupt context,
/// the callback should NEVER sleep.
fn register_callback(&self, callback: &'static ConsoleCallback);
fn handle_irq(&self);
}
pub fn register_device(name: String, device: Arc<dyn AnyConsoleDevice>) {
@ -32,16 +35,6 @@ pub fn register_device(name: String, device: Arc<dyn AnyConsoleDevice>) {
.insert(name, device);
}
pub fn get_device(str: &str) -> Option<Arc<dyn AnyConsoleDevice>> {
COMPONENT
.get()
.unwrap()
.console_device_table
.lock_irq_disabled()
.get(str)
.cloned()
}
pub fn all_devices() -> Vec<(String, Arc<dyn AnyConsoleDevice>)> {
let console_devs = COMPONENT
.get()