devices: doc for the device bus

dianpopa · ShadowCurse · commit 4651cd4d9739 · 2023-07-27T15:49:14.000+01:00
Doc for the device bus

Signed-off-by: Diana Popa &lt;dpopa@amazon.com&gt;
diff --git a/src/vmm/src/devices/bus.rs b/src/vmm/src/devices/bus.rs
@@ -230,6 +230,7 @@ impl Bus {
         None
     }
 
+    /// Returns the device found at some address.
     pub fn get_device(&self, addr: u64) -> Option<(u64, &Mutex<BusDevice>)> {
         if let Some((BusRange(start, len), dev)) = self.first_before(addr) {
             let offset = addr - start;

Original file line number	Diff line number	Diff line change
`@@ -230,6 +230,7 @@ impl Bus {`
`230`	`230`	`None`
`231`	`231`	`}`
`232`	`232`
	`233`	`+ /// Returns the device found at some address.`
`233`	`234`	`pub fn get_device(&self, addr: u64) -> Option<(u64, &Mutex<BusDevice>)> {`
`234`	`235`	`if let Some((BusRange(start, len), dev)) = self.first_before(addr) {`
`235`	`236`	`let offset = addr - start;`