1 files changed, 60 insertions, 0 deletions
diff --git a/meta-egvirt/recipes-extended/vhost-device-console/vhost-device-console-0.1.0/src/virtio_console.rs b/meta-egvirt/recipes-extended/vhost-device-console/vhost-device-console-0.1.0/src/virtio_console.rs
new file mode 100755
index 00000000..323473f6
--- /dev/null
+++ b/meta-egvirt/recipes-extended/vhost-device-console/vhost-device-console-0.1.0/src/virtio_console.rs
@@ -0,0 +1,60 @@
+// Console virtio bindings
+//
+// Copyright 2023-2024 VIRTUAL OPEN SYSTEMS SAS. All Rights Reserved.
+//          Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
+//
+// SPDX-License-Identifier: Apache-2.0 or BSD-3-Clause
+
+use vm_memory::{ByteValued, Le16, Le32};
+
+/// Feature bit numbers
+#[allow(dead_code)]
+pub const VIRTIO_CONSOLE_F_SIZE: u16 = 0;
+pub const VIRTIO_CONSOLE_F_MULTIPORT: u16 = 1;
+#[allow(dead_code)]
+pub const VIRTIO_CONSOLE_F_EMERG_WRITE: u16 = 2;
+
+/// Console virtio control messages
+pub const VIRTIO_CONSOLE_DEVICE_READY: u16 = 0;
+pub const VIRTIO_CONSOLE_PORT_ADD: u16 = 1;
+#[allow(dead_code)]
+pub const VIRTIO_CONSOLE_PORT_REMOVE: u16 = 2;
+pub const VIRTIO_CONSOLE_PORT_READY: u16 = 3;
+pub const VIRTIO_CONSOLE_CONSOLE_PORT: u16 = 4;
+#[allow(dead_code)]
+pub const VIRTIO_CONSOLE_RESIZE: u16 = 5;
+pub const VIRTIO_CONSOLE_PORT_OPEN: u16 = 6;
+pub const VIRTIO_CONSOLE_PORT_NAME: u16 = 7;
+
+/// Virtio Console Config
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub(crate) struct VirtioConsoleConfig {
+    pub cols: Le16,
+    pub rows: Le16,
+    pub max_nr_ports: Le32,
+    pub emerg_wr: Le32,
+}
+
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioConsoleConfig {}
+
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub(crate) struct VirtioConsoleControl {
+    pub id: Le32,
+    pub event: Le16,
+    pub value: Le16,
+}
+
+impl VirtioConsoleControl {
+    pub fn to_le_bytes(self) -> Vec<u8> {
+        let mut buffer = Vec::new();
+
+        buffer.extend_from_slice(&self.id.to_native().to_le_bytes());
+        buffer.extend_from_slice(&self.event.to_native().to_le_bytes());
+        buffer.extend_from_slice(&self.value.to_native().to_le_bytes());
+        buffer
+    }
+}