svcrdma: Add class for RDMA backwards direction transport

[linux-drm-fsl-dcu.git] / net / sunrpc / xprtrdma / xprt_rdma.h

diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 72276c7907e452899fa2ba5dc37f3dc606e6bad6..5a38236d051625ce14b5456fc4464298b3ff8e5d 100644 (file)
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -55,6 +55,11 @@
 #define RDMA_RESOLVE_TIMEOUT   (5000)  /* 5 seconds */
 #define RDMA_CONNECT_RETRY_MAX (2)     /* retries if no listener backlog */
 
+#define RPCRDMA_BIND_TO                (60U * HZ)
+#define RPCRDMA_INIT_REEST_TO  (5U * HZ)
+#define RPCRDMA_MAX_REEST_TO   (30U * HZ)
+#define RPCRDMA_IDLE_DISC_TO   (5U * 60 * HZ)
+
 /*
  * Interface Adapter -- one per transport instance
  */
@@ -147,6 +152,8 @@ rdmab_to_msg(struct rpcrdma_regbuf *rb)
        return (struct rpcrdma_msg *)rb->rg_base;
 }
 
+#define RPCRDMA_DEF_GFP                (GFP_NOIO | __GFP_NOWARN)
+
 /*
  * struct rpcrdma_rep -- this structure encapsulates state required to recv
  * and complete a reply, asychronously. It needs several pieces of
@@ -308,6 +315,8 @@ struct rpcrdma_buffer {
        u32                     rb_bc_srv_max_requests;
        spinlock_t              rb_reqslock;    /* protect rb_allreqs */
        struct list_head        rb_allreqs;
+
+       u32                     rb_bc_max_requests;
 };
 #define rdmab_to_ia(b) (&container_of((b), struct rpcrdma_xprt, rx_buf)->rx_ia)
 
@@ -513,6 +522,10 @@ int rpcrdma_marshal_req(struct rpc_rqst *);
 
 /* RPC/RDMA module init - xprtrdma/transport.c
  */
+extern unsigned int xprt_rdma_max_inline_read;
+void xprt_rdma_format_addresses(struct rpc_xprt *xprt, struct sockaddr *sap);
+void xprt_rdma_free_addresses(struct rpc_xprt *xprt);
+void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq);
 int xprt_rdma_init(void);
 void xprt_rdma_cleanup(void);
 
@@ -528,4 +541,6 @@ void xprt_rdma_bc_free_rqst(struct rpc_rqst *);
 void xprt_rdma_bc_destroy(struct rpc_xprt *, unsigned int);
 #endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
+extern struct xprt_class xprt_rdma_bc;
+
 #endif                         /* _LINUX_SUNRPC_XPRT_RDMA_H */