vmm: device_manager: Return PciDeviceInfo from a hotplugged device

In order to provide the device name and PCI b/d/f associated with a
freshly hotplugged device, the hotplugging functions from the device
manager return a new structure called PciDeviceInfo.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

vmm/src/lib.rs

@@ -177,6 +177,11 @@ impl AsRawFd for EpollContext {
     }
 }
 
+pub struct PciDeviceInfo {
+    pub id: String,
+    pub bdf: u32,
+}
+
 pub fn start_vmm_thread(
     vmm_version: String,
     http_path: &str,