diff --git a/drivers/kvm/segment_descriptor.h b/drivers/kvm/segment_descriptor.h
new file mode 100644
index 0000000..71fdf45
--- /dev/null
+++ b/drivers/kvm/segment_descriptor.h
@@ -0,0 +1,17 @@
+struct segment_descriptor {
+	u16 limit_low;
+	u16 base_low;
+	u8  base_mid;
+	u8  type : 4;
+	u8  system : 1;
+	u8  dpl : 2;
+	u8  present : 1;
+	u8  limit_high : 4;
+	u8  avl : 1;
+	u8  long_mode : 1;
+	u8  default_op : 1;
+	u8  granularity : 1;
+	u8  base_high;
+} __attribute__((packed));
+
+