5 files changed, 42 insertions, 18 deletions

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index e5bfe01ee305..6f0ee1b84a4f 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -104,6 +104,7 @@ struct rpc_create_args {
 	const struct rpc_timeout *timeout;
 	char			*servername;
 	struct rpc_program	*program;
+	u32			prognumber;	/* overrides program->number */
 	u32			version;
 	rpc_authflavor_t	authflavor;
 	unsigned long		flags;
@@ -124,10 +125,10 @@ struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
 void		rpc_shutdown_client(struct rpc_clnt *);
 void		rpc_release_client(struct rpc_clnt *);
 
-int		rpcb_register(u32, u32, int, unsigned short, int *);
+int		rpcb_register(u32, u32, int, unsigned short);
 int		rpcb_v4_register(const u32 program, const u32 version,
 				 const struct sockaddr *address,
-				 const char *netid, int *result);
+				 const char *netid);
 int		rpcb_getport_sync(struct sockaddr_in *, u32, u32, int);
 void		rpcb_getport_async(struct rpc_task *);
 
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index dc69068d94c7..3afe7fb403b2 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -66,6 +66,7 @@ struct svc_serv {
 	struct list_head	sv_tempsocks;	/* all temporary sockets */
 	int			sv_tmpcnt;	/* count of temporary sockets */
 	struct timer_list	sv_temptimer;	/* timer for aging temporary sockets */
+	sa_family_t		sv_family;	/* listener's address family */
 
 	char *			sv_name;	/* service name */
 
@@ -265,17 +266,17 @@ struct svc_rqst {
 /*
  * Rigorous type checking on sockaddr type conversions
  */
-static inline struct sockaddr_in *svc_addr_in(struct svc_rqst *rqst)
+static inline struct sockaddr_in *svc_addr_in(const struct svc_rqst *rqst)
 {
 	return (struct sockaddr_in *) &rqst->rq_addr;
 }
 
-static inline struct sockaddr_in6 *svc_addr_in6(struct svc_rqst *rqst)
+static inline struct sockaddr_in6 *svc_addr_in6(const struct svc_rqst *rqst)
 {
 	return (struct sockaddr_in6 *) &rqst->rq_addr;
 }
 
-static inline struct sockaddr *svc_addr(struct svc_rqst *rqst)
+static inline struct sockaddr *svc_addr(const struct svc_rqst *rqst)
 {
 	return (struct sockaddr *) &rqst->rq_addr;
 }
@@ -381,18 +382,20 @@ struct svc_procedure {
 /*
  * Function prototypes.
  */
-struct svc_serv *  svc_create(struct svc_program *, unsigned int,
-			      void (*shutdown)(struct svc_serv*));
+struct svc_serv *svc_create(struct svc_program *, unsigned int, sa_family_t,
+			    void (*shutdown)(struct svc_serv *));
 struct svc_rqst *svc_prepare_thread(struct svc_serv *serv,
 					struct svc_pool *pool);
 void		   svc_exit_thread(struct svc_rqst *);
 struct svc_serv *  svc_create_pooled(struct svc_program *, unsigned int,
-			void (*shutdown)(struct svc_serv*), svc_thread_fn,
-			struct module *);
+			sa_family_t, void (*shutdown)(struct svc_serv *),
+			svc_thread_fn, struct module *);
 int		   svc_set_num_threads(struct svc_serv *, struct svc_pool *, int);
 void		   svc_destroy(struct svc_serv *);
 int		   svc_process(struct svc_rqst *);
-int		   svc_register(struct svc_serv *, int, unsigned short);
+int		   svc_register(const struct svc_serv *, const unsigned short,
+				const unsigned short);
+
 void		   svc_wake_up(struct svc_serv *);
 void		   svc_reserve(struct svc_rqst *rqstp, int space);
 struct svc_pool *  svc_pool_for_cpu(struct svc_serv *serv, int cpu);
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index dc05b54bd3a3..c14fe86dac59 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -72,6 +72,7 @@ extern atomic_t rdma_stat_sq_prod;
  */
 struct svc_rdma_op_ctxt {
 	struct svc_rdma_op_ctxt *read_hdr;
+	struct svc_rdma_fastreg_mr *frmr;
 	int hdr_count;
 	struct xdr_buf arg;
 	struct list_head dto_q;
@@ -103,16 +104,30 @@ struct svc_rdma_chunk_sge {
 	int start;		/* sge no for this chunk */
 	int count;		/* sge count for this chunk */
 };
+struct svc_rdma_fastreg_mr {
+	struct ib_mr *mr;
+	void *kva;
+	struct ib_fast_reg_page_list *page_list;
+	int page_list_len;
+	unsigned long access_flags;
+	unsigned long map_len;
+	enum dma_data_direction direction;
+	struct list_head frmr_list;
+};
 struct svc_rdma_req_map {
+	struct svc_rdma_fastreg_mr *frmr;
 	unsigned long count;
 	union {
 		struct kvec sge[RPCSVC_MAXPAGES];
 		struct svc_rdma_chunk_sge ch[RPCSVC_MAXPAGES];
 	};
 };
-
+#define RDMACTXT_F_FAST_UNREG	1
 #define RDMACTXT_F_LAST_CTXT	2
 
+#define	SVCRDMA_DEVCAP_FAST_REG		1	/* fast mr registration */
+#define	SVCRDMA_DEVCAP_READ_W_INV	2	/* read w/ invalidate */
+
 struct svcxprt_rdma {
 	struct svc_xprt      sc_xprt;		/* SVC transport structure */
 	struct rdma_cm_id    *sc_cm_id;		/* RDMA connection id */
@@ -136,6 +151,11 @@ struct svcxprt_rdma {
 	struct ib_cq         *sc_rq_cq;
 	struct ib_cq         *sc_sq_cq;
 	struct ib_mr         *sc_phys_mr;	/* MR for server memory */
+	u32		     sc_dev_caps;	/* distilled device caps */
+	u32		     sc_dma_lkey;	/* local dma key */
+	unsigned int	     sc_frmr_pg_list_len;
+	struct list_head     sc_frmr_q;
+	spinlock_t	     sc_frmr_q_lock;
 
 	spinlock_t	     sc_lock;		/* transport lock */
 
@@ -192,8 +212,13 @@ extern int svc_rdma_post_recv(struct svcxprt_rdma *);
 extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
 extern struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *);
 extern void svc_rdma_put_context(struct svc_rdma_op_ctxt *, int);
+extern void svc_rdma_unmap_dma(struct svc_rdma_op_ctxt *ctxt);
 extern struct svc_rdma_req_map *svc_rdma_get_req_map(void);
 extern void svc_rdma_put_req_map(struct svc_rdma_req_map *);
+extern int svc_rdma_fastreg(struct svcxprt_rdma *, struct svc_rdma_fastreg_mr *);
+extern struct svc_rdma_fastreg_mr *svc_rdma_get_frmr(struct svcxprt_rdma *);
+extern void svc_rdma_put_frmr(struct svcxprt_rdma *,
+			      struct svc_rdma_fastreg_mr *);
 extern void svc_sq_reap(struct svcxprt_rdma *);
 extern void svc_rq_reap(struct svcxprt_rdma *);
 extern struct svc_xprt_class svc_rdma_class;
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 8cff696dedf5..483e10380aae 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -39,10 +39,7 @@ int		svc_send(struct svc_rqst *);
 void		svc_drop(struct svc_rqst *);
 void		svc_sock_update_bufs(struct svc_serv *serv);
 int		svc_sock_names(char *buf, struct svc_serv *serv, char *toclose);
-int		svc_addsock(struct svc_serv *serv,
-			    int fd,
-			    char *name_return,
-			    int *proto);
+int		svc_addsock(struct svc_serv *serv, int fd, char *name_return);
 void		svc_init_xprt_sock(void);
 void		svc_cleanup_xprt_sock(void);
 
diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h
index 4de56b1d372b..54a379c9e8eb 100644
--- a/include/linux/sunrpc/xprtrdma.h
+++ b/include/linux/sunrpc/xprtrdma.h
@@ -66,9 +66,6 @@
 
 #define RPCRDMA_INLINE_PAD_THRESH  (512)/* payload threshold to pad (bytes) */
 
-#define RDMA_RESOLVE_TIMEOUT	(5*HZ)	/* TBD 5 seconds */
-#define RDMA_CONNECT_RETRY_MAX	(2)	/* retries if no listener backlog */
-
 /* memory registration strategies */
 #define RPCRDMA_PERSISTENT_REGISTRATION (1)
 
@@ -78,6 +75,7 @@ enum rpcrdma_memreg {
 	RPCRDMA_MEMWINDOWS,
 	RPCRDMA_MEMWINDOWS_ASYNC,
 	RPCRDMA_MTHCAFMR,
+	RPCRDMA_FRMR,
 	RPCRDMA_ALLPHYSICAL,
 	RPCRDMA_LAST
 };