Rust XHCI Implementation.

rust/sys/voyageurs/src/xhci/event_ring.rs

@@ -0,0 +1,25 @@
+use alloc::vec::Vec;
+
+use crate::xhci::data_structures::{EventRingSegmentTable, TrbRing};
+
+pub struct EventRing {
+    segment_table: EventRingSegmentTable,
+    segments: Vec<TrbRing>,
+}
+
+impl EventRing {
+    pub fn new() -> Self {
+        let mut event_ring = Self {
+            segment_table: EventRingSegmentTable::new(1),
+            segments: [TrbRing::new(100)].into(),
+        };
+
+        event_ring.segment_table[0].from_trb_fing(&event_ring.segments[0]);
+
+        event_ring
+    }
+
+    pub fn segment_table(&self) -> &EventRingSegmentTable {
+        &self.segment_table
+    }
+}