atapi: implement eject requests

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c
index 90b6729..1fed359 100644
--- a/hw/ide/atapi.c
+++ b/hw/ide/atapi.c
@@ -516,9 +516,14 @@
 
     /* Event notification descriptor */
     event_code = MEC_NO_CHANGE;
-    if (media_status != MS_TRAY_OPEN && s->events.new_media) {
-        event_code = MEC_NEW_MEDIA;
-        s->events.new_media = false;
+    if (media_status != MS_TRAY_OPEN) {
+        if (s->events.new_media) {
+            event_code = MEC_NEW_MEDIA;
+            s->events.new_media = false;
+        } else if (s->events.eject_request) {
+            event_code = MEC_EJECT_REQUESTED;
+            s->events.eject_request = false;
+        }
     }
 
     buf[4] = event_code;