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authorTiwei Bie <tiwei.bie@intel.com>2018-11-21 18:03:18 +0800
committerDavid S. Miller <davem@davemloft.net>2018-11-26 22:17:39 -0800
commit89a9157e1253bb3384a7596cb51bf1ceeac063ed (patch)
treeb1786636c222c573cd0c1f2b6bccf75c75a4c01d /include/uapi/linux/virtio_config.h
parent4afe60a97ba6ffacc4d030b13653dc64099fea26 (diff)
virtio: add packed ring types and macros
Add types and macros for packed ring. Signed-off-by: Tiwei Bie <tiwei.bie@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/virtio_config.h')
-rw-r--r--include/uapi/linux/virtio_config.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index 449132c76b1c..1196e1c1d4f6 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -75,6 +75,9 @@
*/
#define VIRTIO_F_IOMMU_PLATFORM 33
+/* This feature indicates support for the packed virtqueue layout. */
+#define VIRTIO_F_RING_PACKED 34
+
/*
* Does the device support Single Root I/O Virtualization?
*/