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authorXuan Zhuo <xuanzhuo@linux.alibaba.com>2023-10-10 06:11:17 +0300
committerMichael S. Tsirkin <mst@redhat.com>2023-11-01 16:19:59 +0300
commit70e16c90ee23233bdd45462e1ebba72ff0c25c3a (patch)
tree734bb0c698a9e9f0a97e7c0e386b150987e69160
parent484f0a071f8d482649eaf025dee7b76a7202fec9 (diff)
downloadlinux-70e16c90ee23233bdd45462e1ebba72ff0c25c3a.tar.xz
virtio: add definition of VIRTIO_F_NOTIF_CONFIG_DATA feature bit
This patch adds the definition of VIRTIO_F_NOTIF_CONFIG_DATA feature bit in the relevant header file. This feature indicates that the driver uses the data provided by the device as a virtqueue identifier in available buffer notifications. It comes from here: https://github.com/oasis-tcs/virtio-spec/issues/89 Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Message-Id: <20231010031120.81272-2-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--include/uapi/linux/virtio_config.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index 2c712c654165..8881aea60f6f 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -105,6 +105,11 @@
*/
#define VIRTIO_F_NOTIFICATION_DATA 38
+/* This feature indicates that the driver uses the data provided by the device
+ * as a virtqueue identifier in available buffer notifications.
+ */
+#define VIRTIO_F_NOTIF_CONFIG_DATA 39
+
/*
* This feature indicates that the driver can reset a queue individually.
*/