feat(init): main function implementation

The most basic function which does the thing.

This will need expansion in multiple dimensions, but I want to
focus on getting something the team can test.

Signed-off-by: Daniel Noland <[email protected]>

Author: daniel-noland

init/src/main.rs

@@ -11,7 +11,10 @@ use std::path::PathBuf;
 
 use tracing::{error, info};
 
-use crate::{nic::PciDriver, sysfs::{SysfsPath, SYSFS}};
+use crate::{
+    nic::{BindToVfioPci, PciDriver, PciNic},
+    sysfs::{SYSFS, SysfsPath},
+};
 
 /// Errors which might occur during system dataplane system initialization
 #[derive(Debug, thiserror::Error)]
@@ -89,5 +92,13 @@ fn setup() -> Result<(), InitErr> {
 
 fn main() -> Result<(), InitErr> {
     setup()?;
+    // TODO: proper argument parsing
+    // -- hack add a real command line parser
+    let mut args = std::env::args().skip(1);
+    // -- end hack
+    // TODO: fix unwraps in the next PR.  These can't be properly addressed before the arg parser is done.
+    let address = hardware::pci::address::PciAddress::try_from(args.next().unwrap()).unwrap();
+    let mut device = PciNic::new(address)?;
+    device.bind_to_vfio_pci()?;
     Ok(())
 }