4lDO2
84 lines
2.6 KiB
Rust
84 lines
2.6 KiB
Rust
use std::cell::RefCell;
|
|
use std::convert::Infallible;
|
|
use std::io::{Read, Result, Write};
|
|
use std::os::unix::io::AsRawFd;
|
|
use std::rc::Rc;
|
|
|
|
use driver_network::NetworkScheme;
|
|
use event::{user_data, EventQueue};
|
|
use pcid_interface::PcidServerHandle;
|
|
use syscall::EventFlags;
|
|
|
|
pub mod device;
|
|
|
|
fn main() {
|
|
let mut pcid_handle =
|
|
PcidServerHandle::connect_default().expect("e1000d: failed to setup channel to pcid");
|
|
let pci_config = pcid_handle
|
|
.fetch_config()
|
|
.expect("e1000d: failed to fetch config");
|
|
|
|
let mut name = pci_config.func.name();
|
|
name.push_str("_e1000");
|
|
|
|
let bar = &pci_config.func.bars[0];
|
|
|
|
let irq = pci_config
|
|
.func
|
|
.legacy_interrupt_line
|
|
.expect("e1000d: no legacy interrupts supported");
|
|
|
|
eprintln!(" + E1000 {}", pci_config.func.display());
|
|
|
|
redox_daemon::Daemon::new(move |daemon| {
|
|
let mut irq_file = irq.irq_handle("e1000d");
|
|
|
|
let address = unsafe { bar.physmap_mem("e1000d") } as usize;
|
|
|
|
let device =
|
|
unsafe { device::Intel8254x::new(address).expect("e1000d: failed to allocate device") };
|
|
|
|
let mut scheme = NetworkScheme::new(device, format!("network.{name}"));
|
|
|
|
user_data! {
|
|
enum Source {
|
|
Irq,
|
|
Scheme,
|
|
}
|
|
}
|
|
|
|
let mut event_queue =
|
|
EventQueue::<Source>::new().expect("e1000d: failed to create event queue");
|
|
|
|
event_queue.subscribe(irq_file.as_raw_fd() as usize, Source::Irq, event::EventFlags::READ)
|
|
.expect("e1000d: failed to subscribe to IRQ fd");
|
|
event_queue.subscribe(scheme.event_handle() as usize, Source::Scheme, event::EventFlags::READ)
|
|
.expect("e1000d: failed to subscribe to scheme fd");
|
|
|
|
libredox::call::setrens(0, 0).expect("e1000d: failed to enter null namespace");
|
|
|
|
daemon
|
|
.ready()
|
|
.expect("e1000d: failed to mark daemon as ready");
|
|
|
|
scheme.tick().unwrap();
|
|
|
|
for event in event_queue.map(|e| e.expect("e1000d: failed to get event")) {
|
|
match event.user_data {
|
|
Source::Irq => {
|
|
let mut irq = [0; 8];
|
|
irq_file.read(&mut irq).unwrap();
|
|
if unsafe { scheme.adapter().irq() } {
|
|
irq_file.write(&mut irq).unwrap();
|
|
|
|
scheme.tick().expect("e1000d: failed to handle IRQ")
|
|
}
|
|
}
|
|
Source::Scheme => scheme.tick().expect("e1000d: failed to handle scheme op"),
|
|
}
|
|
}
|
|
unreachable!()
|
|
})
|
|
.expect("e1000d: failed to create daemon");
|
|
}
|