vhost: support slave requests channel

[dpdk.git] / lib / librte_vhost / vhost_user.h

diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 2ba22db..98f6e6f 100644 (file)
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -48,12 +48,14 @@
 #define VHOST_USER_PROTOCOL_F_RARP     2
 #define VHOST_USER_PROTOCOL_F_REPLY_ACK        3
 #define VHOST_USER_PROTOCOL_F_NET_MTU 4
+#define VHOST_USER_PROTOCOL_F_SLAVE_REQ 5
 
 #define VHOST_USER_PROTOCOL_FEATURES   ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
                                         (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |\
                                         (1ULL << VHOST_USER_PROTOCOL_F_RARP) | \
                                         (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \
-                                        (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU))
+                                        (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU) | \
+                                        (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ))
 
 typedef enum VhostUserRequest {
        VHOST_USER_NONE = 0,
@@ -77,9 +79,15 @@ typedef enum VhostUserRequest {
        VHOST_USER_SET_VRING_ENABLE = 18,
        VHOST_USER_SEND_RARP = 19,
        VHOST_USER_NET_SET_MTU = 20,
+       VHOST_USER_SET_SLAVE_REQ_FD = 21,
        VHOST_USER_MAX
 } VhostUserRequest;
 
+typedef enum VhostUserSlaveRequest {
+       VHOST_USER_SLAVE_NONE = 0,
+       VHOST_USER_SLAVE_MAX
+} VhostUserSlaveRequest;
+
 typedef struct VhostUserMemoryRegion {
        uint64_t guest_phys_addr;
        uint64_t memory_size;