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-rw-r--r--include/uapi/linux/vhost_types.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/vhost_types.h b/include/uapi/linux/vhost_types.h
index 76ee7016c501..634cee485abb 100644
--- a/include/uapi/linux/vhost_types.h
+++ b/include/uapi/linux/vhost_types.h
@@ -87,7 +87,7 @@ struct vhost_msg {
struct vhost_msg_v2 {
__u32 type;
- __u32 reserved;
+ __u32 asid;
union {
struct vhost_iotlb_msg iotlb;
__u8 padding[64];
@@ -157,5 +157,9 @@ struct vhost_vdpa_iova_range {
#define VHOST_BACKEND_F_IOTLB_MSG_V2 0x1
/* IOTLB can accept batching hints */
#define VHOST_BACKEND_F_IOTLB_BATCH 0x2
+/* IOTLB can accept address space identifier through V2 type of IOTLB
+ * message
+ */
+#define VHOST_BACKEND_F_IOTLB_ASID 0x3
#endif