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-rw-r--r--include/uapi/linux/vhost_types.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/include/uapi/linux/vhost_types.h b/include/uapi/linux/vhost_types.h
index f7f6a3a28977..53601ce2c20a 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];
@@ -107,7 +107,7 @@ struct vhost_memory_region {
struct vhost_memory {
__u32 nregions;
__u32 padding;
- struct vhost_memory_region regions[0];
+ struct vhost_memory_region regions[];
};
/* VHOST_SCSI specific definitions */
@@ -135,7 +135,7 @@ struct vhost_scsi_target {
struct vhost_vdpa_config {
__u32 off;
__u32 len;
- __u8 buf[0];
+ __u8 buf[];
};
/* vhost vdpa IOVA range
@@ -153,4 +153,15 @@ struct vhost_vdpa_iova_range {
/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */
#define VHOST_NET_F_VIRTIO_NET_HDR 27
+/* Use message type V2 */
+#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
+/* Device can be suspended */
+#define VHOST_BACKEND_F_SUSPEND 0x4
+
#endif