chore: bump virtio-queue and some related dependencies

virtio-queue v0.15 introduces a new Descriptor API supporting both
split and packed virtqueue.
Update our dependencies and code to work with the new version
of the crate, including updating vhost-user-backend and virtio-vsock.

Updates `vhost-user-backend` from 0.18.0 to 0.19.0
- [Release notes](https://github.com/rust-vmm/vhost/releases)
- [Commits](rust-vmm/vhost@vhost-user-backend-v0.18.0...vhost-user-backend-v0.19.0)

Updates `virtio-queue` from 0.14.0 to 0.15.0
- [Release notes](https://github.com/rust-vmm/vm-virtio/releases)
- [Commits](rust-vmm/vm-virtio@virtio-queue-v0.14.0...virtio-queue-v0.15.0)

Updates `virtio-vsock` from 0.8.0 to 0.9.0
- [Release notes](https://github.com/rust-vmm/vm-virtio/releases)
- [Commits](rust-vmm/vm-virtio@virtio-vsock-v0.8.0...virtio-vsock-v0.9.0)

Signed-off-by: Wenyu Huang <huangwenyuu@outlook.com>

vhost-device-rng/Cargo.toml

@@ -22,13 +22,13 @@ rand = "0.9.1"
 tempfile = "3.20"
 thiserror = "2.0"
 vhost = { version = "0.14", features = ["vhost-user-backend"] }
-vhost-user-backend = "0.18"
+vhost-user-backend = "0.19"
 virtio-bindings = "0.2.5"
-virtio-queue = "0.14"
+virtio-queue = "0.15"
 vm-memory = "0.16.1"
 vmm-sys-util = "0.14"
 
 [dev-dependencies]
 assert_matches = "1.5"
-virtio-queue = { version = "0.14", features = ["test-utils"] }
+virtio-queue = { version = "0.15", features = ["test-utils"] }
 vm-memory = { version = "0.16", features = ["backend-mmap", "backend-atomic"] }

vhost-device-rng/src/vhu_rng.rs

@@ -291,7 +291,11 @@ mod tests {
     use std::io::ErrorKind;
 
     use virtio_bindings::bindings::virtio_ring::{VRING_DESC_F_NEXT, VRING_DESC_F_WRITE};
-    use virtio_queue::{mock::MockSplitQueue, Descriptor, Queue};
+    use virtio_queue::{
+        desc::{split::Descriptor as SplitDescriptor, RawDescriptor},
+        mock::MockSplitQueue,
+        Queue,
+    };
     use vm_memory::{Address, Bytes, GuestAddress, GuestMemoryAtomic, GuestMemoryMmap};
 
     // Add VuRngBackend accessor to artificially manipulate internal fields
@@ -359,7 +363,12 @@ mod tests {
                 flags & !VRING_DESC_F_NEXT as u16
             };
 
-            let desc = Descriptor::new((0x100 * (i + 1)) as u64, 0x200, desc_flags, i + 1);
+            let desc = RawDescriptor::from(SplitDescriptor::new(
+                (0x100 * (i + 1)) as u64,
+                0x200,
+                desc_flags,
+                i + 1,
+            ));
             vq.desc_table().store(i, desc).unwrap();
         }