1 files changed, 12 insertions, 0 deletions
diff --git a/hw/vfio-user/proxy.h b/hw/vfio-user/proxy.h
index 0418f58bf1..61e64a0020 100644
--- a/hw/vfio-user/proxy.h
+++ b/hw/vfio-user/proxy.h
@@ -85,6 +85,8 @@ typedef struct VFIOUserProxy {
     VFIOUserMsg *last_nowait;
     VFIOUserMsg *part_recv;
     size_t recv_left;
+    VFIOUserWRMulti *wr_multi;
+    int num_outgoing;
     enum proxy_state state;
 } VFIOUserProxy;
 
@@ -92,6 +94,11 @@ typedef struct VFIOUserProxy {
 #define VFIO_PROXY_CLIENT        0x1
 #define VFIO_PROXY_FORCE_QUEUED  0x4
 #define VFIO_PROXY_NO_POST       0x8
+#define VFIO_PROXY_USE_MULTI     0x16
+
+/* coalescing high and low water marks for VFIOProxy num_outgoing */
+#define VFIO_USER_OUT_HIGH       1024
+#define VFIO_USER_OUT_LOW        128
 
 typedef struct VFIODevice VFIODevice;
 
@@ -120,4 +127,9 @@ bool vfio_user_send_async(VFIOUserProxy *proxy, VFIOUserHdr *hdr,
 void vfio_user_send_reply(VFIOUserProxy *proxy, VFIOUserHdr *hdr, int size);
 void vfio_user_send_error(VFIOUserProxy *proxy, VFIOUserHdr *hdr, int error);
 
+void vfio_user_flush_multi(VFIOUserProxy *proxy);
+void vfio_user_create_multi(VFIOUserProxy *proxy);
+void vfio_user_add_multi(VFIOUserProxy *proxy, uint8_t index,
+                         off_t offset, uint32_t count, void *data);
+
 #endif /* VFIO_USER_PROXY_H */