diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 6ea1dbe46e88..1eb86c79f4b9 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -263,6 +263,9 @@ struct rpcrdma_req { struct rpcrdma_regbuf *rl_rdmabuf; struct rpcrdma_regbuf *rl_sendbuf; struct rpcrdma_mr_seg rl_segments[RPCRDMA_MAX_SEGS]; + + struct list_head rl_all; + bool rl_backchannel; }; static inline struct rpcrdma_req * @@ -291,6 +294,10 @@ struct rpcrdma_buffer { struct list_head rb_send_bufs; struct list_head rb_recv_bufs; u32 rb_max_requests; + + u32 rb_bc_srv_max_requests; + spinlock_t rb_reqslock; /* protect rb_allreqs */ + struct list_head rb_allreqs; }; #define rdmab_to_ia(b) (&container_of((b), struct rpcrdma_xprt, rx_buf)->rx_ia) @@ -411,6 +418,9 @@ int rpcrdma_ep_post_recv(struct rpcrdma_ia *, struct rpcrdma_ep *, /* * Buffer calls - xprtrdma/verbs.c */ +struct rpcrdma_req *rpcrdma_create_req(struct rpcrdma_xprt *); +struct rpcrdma_rep *rpcrdma_create_rep(struct rpcrdma_xprt *); +void rpcrdma_destroy_req(struct rpcrdma_ia *, struct rpcrdma_req *); int rpcrdma_buffer_create(struct rpcrdma_xprt *); void rpcrdma_buffer_destroy(struct rpcrdma_buffer *); @@ -427,6 +437,7 @@ void rpcrdma_free_regbuf(struct rpcrdma_ia *, struct rpcrdma_regbuf *); unsigned int rpcrdma_max_segments(struct rpcrdma_xprt *); +int rpcrdma_ep_post_extra_recv(struct rpcrdma_xprt *, unsigned int); int frwr_alloc_recovery_wq(void); void frwr_destroy_recovery_wq(void); @@ -494,6 +505,15 @@ int rpcrdma_marshal_req(struct rpc_rqst *); int xprt_rdma_init(void); void xprt_rdma_cleanup(void); +/* Backchannel calls - xprtrdma/backchannel.c + */ +#if defined(CONFIG_SUNRPC_BACKCHANNEL) +int xprt_rdma_bc_setup(struct rpc_xprt *, unsigned int); +int rpcrdma_bc_post_recv(struct rpcrdma_xprt *, unsigned int); +void xprt_rdma_bc_free_rqst(struct rpc_rqst *); +void xprt_rdma_bc_destroy(struct rpc_xprt *, unsigned int); +#endif /* CONFIG_SUNRPC_BACKCHANNEL */ + /* Temporary NFS request map cache. Created in svc_rdma.c */ extern struct kmem_cache *svc_rdma_map_cachep; /* WR context cache. Created in svc_rdma.c */ |