[PATCH 01/40] linux-headers: add vhost_types.h and vhost.h

[Si-Wei Liu <si-wei.liu@oracle.com>]

Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
---
 include/standard-headers/linux/vhost_types.h | 13 +++++++++++++
 linux-headers/linux/vhost.h                  |  9 +++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h
index 5ad07e1..c39199b 100644
--- a/include/standard-headers/linux/vhost_types.h
+++ b/include/standard-headers/linux/vhost_types.h
@@ -185,5 +185,18 @@ struct vhost_vdpa_iova_range {
  * DRIVER_OK
  */
 #define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK  0x6
+/* Device can be resumed */
+#define VHOST_BACKEND_F_RESUME  0x5
+/* Device supports the driver enabling virtqueues both before and after
+ * DRIVER_OK
+ */
+#define VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK  0x6
+/* Device may expose the virtqueue's descriptor area, driver area and
+ * device area to a different group for ASID binding than where its
+ * buffers may reside. Requires VHOST_BACKEND_F_IOTLB_ASID.
+ */
+#define VHOST_BACKEND_F_DESC_ASID    0x7
+/* IOTLB don't flush memory mapping across device reset */
+#define VHOST_BACKEND_F_IOTLB_PERSIST  0x8
 
 #endif
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h
index f5c48b6..c61c687 100644
--- a/linux-headers/linux/vhost.h
+++ b/linux-headers/linux/vhost.h
@@ -219,4 +219,13 @@
  */
 #define VHOST_VDPA_RESUME		_IO(VHOST_VIRTIO, 0x7E)
 
+/* Get the dedicated group for the descriptor table of a virtqueue:
+ * read index, write group in num.
+ * The virtqueue index is stored in the index field of vhost_vring_state.
+ * The group id for the descriptor table of this specific virtqueue
+ * is returned via num field of vhost_vring_state.
+ */
+#define VHOST_VDPA_GET_VRING_DESC_GROUP	_IOWR(VHOST_VIRTIO, 0x7F,	\
+					      struct vhost_vring_state)
+
 #endif
-- 
1.8.3.1