From 9a215d046eb8e71da51e6715cd2ad5557f1c4a33 Mon Sep 17 00:00:00 2001
From: Bowen Wang <wangbowen6@xiaomi.com>
Date: Tue, 8 Oct 2024 21:20:47 +0800
Subject: [PATCH] virtio.h: add new feature bit VIRTIO_F_ANY_LAYOUT

Follow the virtio spec, this feature bit indicates that the device
accepts arbitrary descriptor layouts.

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
---
 lib/include/openamp/virtio.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/include/openamp/virtio.h b/lib/include/openamp/virtio.h
index 278d2da78..091ba744d 100644
--- a/lib/include/openamp/virtio.h
+++ b/lib/include/openamp/virtio.h
@@ -118,6 +118,12 @@ struct virtio_device_id {
  */
 #define VIRTIO_F_NOTIFY_ON_EMPTY (1 << 24)
 
+/*
+ * This feature indicates that the device accepts arbitrary
+ * descriptor layouts.
+ */
+#define VIRTIO_F_ANY_LAYOUT (1 << 27)
+
 /*
  * The guest should never negotiate this feature; it
  * is used to detect faulty drivers.