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-rw-r--r--include/xen/interface/io/displif.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/xen/interface/io/displif.h b/include/xen/interface/io/displif.h
index 596578d9be3e..fdc279dc4a88 100644
--- a/include/xen/interface/io/displif.h
+++ b/include/xen/interface/io/displif.h
@@ -189,6 +189,13 @@
*
*----------------------------- Connector settings ----------------------------
*
+ * unique-id
+ * Values: <string>
+ *
+ * After device instance initialization each connector is assigned a
+ * unique ID, so it can be identified by the backend by this ID.
+ * This can be UUID or such.
+ *
* resolution
* Values: <width, uint32_t>x<height, uint32_t>
*
@@ -368,6 +375,7 @@
#define XENDISPL_FIELD_EVT_CHANNEL "evt-event-channel"
#define XENDISPL_FIELD_RESOLUTION "resolution"
#define XENDISPL_FIELD_BE_ALLOC "be-alloc"
+#define XENDISPL_FIELD_UNIQUE_ID "unique-id"
/*
******************************************************************************