X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Frte_vhost.h;h=c7b619ae0d29d03826cf56a03127047a623d2492;hb=43e34a229d3e575eb5ed075091afef0e5bf60a77;hp=140d79ce5eec8c6964a1459bc512bd2a57e43f1c;hpb=4d891f77ddfaf9fbdaaf97a5d6269cffd94b8b9b;p=dpdk.git

diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 140d79ce5e..c7b619ae0d 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -10,6 +10,7 @@
  * Interface to vhost-user
  */
 
+#include <stdbool.h>
 #include <stdint.h>
 #include <sys/eventfd.h>
 
@@ -30,6 +31,10 @@ extern "C" {
 #define RTE_VHOST_USER_DEQUEUE_ZERO_COPY	(1ULL << 2)
 #define RTE_VHOST_USER_IOMMU_SUPPORT	(1ULL << 3)
 #define RTE_VHOST_USER_POSTCOPY_SUPPORT		(1ULL << 4)
+/* support mbuf with external buffer attached */
+#define RTE_VHOST_USER_EXTBUF_SUPPORT	(1ULL << 5)
+/* support only linear buffers (no chained mbufs) */
+#define RTE_VHOST_USER_LINEARBUF_SUPPORT	(1ULL << 6)
 
 /** Protocol features. */
 #ifndef VHOST_USER_PROTOCOL_F_MQ
@@ -973,6 +978,20 @@ __rte_experimental
 int
 rte_vhost_get_vdpa_device_id(int vid);
 
+/**
+ * Notify the guest that should get virtio configuration space from backend.
+ *
+ * @param vid
+ *  vhost device ID
+ * @param need_reply
+ *  wait for the master response the status of this operation
+ * @return
+ *  0 on success, < 0 on failure
+ */
+__rte_experimental
+int
+rte_vhost_slave_config_change(int vid, bool need_reply);
+
 #ifdef __cplusplus
 }
 #endif