diff --git a/vm-virtio/src/rng.rs b/vm-virtio/src/rng.rs
index 5af6916ad..aa0d8ab10 100755
--- a/vm-virtio/src/rng.rs
+++ b/vm-virtio/src/rng.rs
@@ -15,7 +15,7 @@ use std::thread;
 use super::Error as DeviceError;
 use super::{
     ActivateError, ActivateResult, DeviceEventT, Queue, VirtioDevice, VirtioDeviceType,
-    VIRTIO_F_VERSION_1,
+    VIRTIO_F_IOMMU_PLATFORM, VIRTIO_F_VERSION_1,
 };
 use crate::{VirtioInterrupt, VirtioInterruptType};
 use vm_memory::{Bytes, GuestMemoryMmap};
@@ -164,9 +164,13 @@ pub struct Rng {
 
 impl Rng {
     /// Create a new virtio rng device that gets random data from /dev/urandom.
-    pub fn new(path: &str) -> io::Result<Rng> {
+    pub fn new(path: &str, iommu: bool) -> io::Result<Rng> {
         let random_file = File::open(path)?;
-        let avail_features = 1u64 << VIRTIO_F_VERSION_1;
+        let mut avail_features = 1u64 << VIRTIO_F_VERSION_1;
+
+        if iommu {
+            avail_features |= 1u64 << VIRTIO_F_IOMMU_PLATFORM;
+        }
 
         Ok(Rng {
             kill_evt: None,
diff --git a/vmm/src/device_manager.rs b/vmm/src/device_manager.rs
index 5120cfdbc..9855fb846 100644
--- a/vmm/src/device_manager.rs
+++ b/vmm/src/device_manager.rs
@@ -634,8 +634,8 @@ impl DeviceManager {
 
         // Add virtio-rng if required
         if let Some(rng_path) = vm_info.vm_cfg.rng.src.to_str() {
-            let virtio_rng_device =
-                vm_virtio::Rng::new(rng_path).map_err(DeviceManagerError::CreateVirtioRng)?;
+            let virtio_rng_device = vm_virtio::Rng::new(rng_path, false)
+                .map_err(DeviceManagerError::CreateVirtioRng)?;
             devices.push(Box::new(virtio_rng_device) as Box<dyn vm_virtio::VirtioDevice>);
         }