vhost: fix potential memory space leak

[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 2030b40..1f65efa 100644 (file)
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -22,7 +22,8 @@
                                         (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ) | \
                                         (1ULL << VHOST_USER_PROTOCOL_F_CRYPTO_SESSION) | \
                                         (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD) | \
-                                        (1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER))
+                                        (1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER) | \
+                                        (1ULL << VHOST_USER_PROTOCOL_F_PAGEFAULT))
 
 typedef enum VhostUserRequest {
        VHOST_USER_NONE = 0,
@@ -51,12 +52,17 @@ typedef enum VhostUserRequest {
        VHOST_USER_CRYPTO_CREATE_SESS = 26,
        VHOST_USER_CRYPTO_CLOSE_SESS = 27,
        VHOST_USER_POSTCOPY_ADVISE = 28,
-       VHOST_USER_MAX = 29
+       VHOST_USER_POSTCOPY_LISTEN = 29,
+       VHOST_USER_POSTCOPY_END = 30,
+       VHOST_USER_GET_INFLIGHT_FD = 31,
+       VHOST_USER_SET_INFLIGHT_FD = 32,
+       VHOST_USER_MAX = 33
 } VhostUserRequest;
 
 typedef enum VhostUserSlaveRequest {
        VHOST_USER_SLAVE_NONE = 0,
        VHOST_USER_SLAVE_IOTLB_MSG = 1,
+       VHOST_USER_SLAVE_CONFIG_CHANGE_MSG = 2,
        VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG = 3,
        VHOST_USER_SLAVE_MAX
 } VhostUserSlaveRequest;
@@ -109,6 +115,13 @@ typedef struct VhostUserVringArea {
        uint64_t offset;
 } VhostUserVringArea;
 
+typedef struct VhostUserInflight {
+       uint64_t mmap_size;
+       uint64_t mmap_offset;
+       uint16_t num_queues;
+       uint16_t queue_size;
+} VhostUserInflight;
+
 typedef struct VhostUserMsg {
        union {
                uint32_t master; /* a VhostUserRequest value */
@@ -131,10 +144,11 @@ typedef struct VhostUserMsg {
                struct vhost_iotlb_msg iotlb;
                VhostUserCryptoSessionParam crypto_session;
                VhostUserVringArea area;
+               VhostUserInflight inflight;
        } payload;
        int fds[VHOST_MEMORY_MAX_NREGIONS];
        int fd_num;
-} __attribute((packed)) VhostUserMsg;
+} __rte_packed VhostUserMsg;
 
 #define VHOST_USER_HDR_SIZE offsetof(VhostUserMsg, payload.u64)
 
@@ -145,7 +159,6 @@ typedef struct VhostUserMsg {
 /* vhost_user.c */
 int vhost_user_msg_handler(int vid, int fd);
 int vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm);
-int vhost_user_host_notifier_ctrl(int vid, bool enable);
 
 /* socket.c */
 int read_fd_message(int sockfd, char *buf, int buflen, int *fds, int max_fds,