| /* |
| * linux/include/linux/sunrpc/clnt.h |
| * |
| * Declarations for the high-level RPC client interface |
| * |
| * Copyright (C) 1995, 1996, Olaf Kirch <okir@monad.swb.de> |
| */ |
| |
| #ifndef _LINUX_SUNRPC_CLNT_H |
| #define _LINUX_SUNRPC_CLNT_H |
| |
| #include <linux/sunrpc/msg_prot.h> |
| #include <linux/sunrpc/sched.h> |
| #include <linux/sunrpc/xprt.h> |
| #include <linux/sunrpc/auth.h> |
| #include <linux/sunrpc/stats.h> |
| #include <linux/sunrpc/xdr.h> |
| #include <linux/sunrpc/timer.h> |
| #include <asm/signal.h> |
| |
| struct rpc_inode; |
| |
| /* |
| * The high-level client handle |
| */ |
| struct rpc_clnt { |
| struct kref cl_kref; /* Number of references */ |
| struct list_head cl_clients; /* Global list of clients */ |
| struct list_head cl_tasks; /* List of tasks */ |
| spinlock_t cl_lock; /* spinlock */ |
| struct rpc_xprt * cl_xprt; /* transport */ |
| struct rpc_procinfo * cl_procinfo; /* procedure info */ |
| u32 cl_prog, /* RPC program number */ |
| cl_vers, /* RPC version number */ |
| cl_maxproc; /* max procedure number */ |
| |
| char * cl_server; /* server machine name */ |
| char * cl_protname; /* protocol name */ |
| struct rpc_auth * cl_auth; /* authenticator */ |
| struct rpc_stat * cl_stats; /* per-program statistics */ |
| struct rpc_iostats * cl_metrics; /* per-client statistics */ |
| |
| unsigned int cl_softrtry : 1,/* soft timeouts */ |
| cl_intr : 1,/* interruptible */ |
| cl_discrtry : 1,/* disconnect before retry */ |
| cl_autobind : 1;/* use getport() */ |
| |
| struct rpc_rtt * cl_rtt; /* RTO estimator data */ |
| |
| int cl_nodelen; /* nodename length */ |
| char cl_nodename[UNX_MAXNODENAME]; |
| char cl_pathname[30];/* Path in rpc_pipe_fs */ |
| struct vfsmount * cl_vfsmnt; |
| struct dentry * cl_dentry; /* inode */ |
| struct rpc_clnt * cl_parent; /* Points to parent of clones */ |
| struct rpc_rtt cl_rtt_default; |
| struct rpc_program * cl_program; |
| char cl_inline_name[32]; |
| }; |
| |
| /* |
| * General RPC program info |
| */ |
| #define RPC_MAXVERSION 4 |
| struct rpc_program { |
| char * name; /* protocol name */ |
| u32 number; /* program number */ |
| unsigned int nrvers; /* number of versions */ |
| struct rpc_version ** version; /* version array */ |
| struct rpc_stat * stats; /* statistics */ |
| char * pipe_dir_name; /* path to rpc_pipefs dir */ |
| }; |
| |
| struct rpc_version { |
| u32 number; /* version number */ |
| unsigned int nrprocs; /* number of procs */ |
| struct rpc_procinfo * procs; /* procedure array */ |
| }; |
| |
| /* |
| * Procedure information |
| */ |
| struct rpc_procinfo { |
| u32 p_proc; /* RPC procedure number */ |
| kxdrproc_t p_encode; /* XDR encode function */ |
| kxdrproc_t p_decode; /* XDR decode function */ |
| unsigned int p_arglen; /* argument hdr length (u32) */ |
| unsigned int p_replen; /* reply hdr length (u32) */ |
| unsigned int p_count; /* call count */ |
| unsigned int p_timer; /* Which RTT timer to use */ |
| u32 p_statidx; /* Which procedure to account */ |
| char * p_name; /* name of procedure */ |
| }; |
| |
| #ifdef __KERNEL__ |
| |
| struct rpc_create_args { |
| int protocol; |
| struct sockaddr *address; |
| size_t addrsize; |
| struct sockaddr *saddress; |
| struct rpc_timeout *timeout; |
| char *servername; |
| struct rpc_program *program; |
| u32 version; |
| rpc_authflavor_t authflavor; |
| unsigned long flags; |
| }; |
| |
| /* Values for "flags" field */ |
| #define RPC_CLNT_CREATE_HARDRTRY (1UL << 0) |
| #define RPC_CLNT_CREATE_INTR (1UL << 1) |
| #define RPC_CLNT_CREATE_AUTOBIND (1UL << 2) |
| #define RPC_CLNT_CREATE_NONPRIVPORT (1UL << 3) |
| #define RPC_CLNT_CREATE_NOPING (1UL << 4) |
| #define RPC_CLNT_CREATE_DISCRTRY (1UL << 5) |
| |
| struct rpc_clnt *rpc_create(struct rpc_create_args *args); |
| struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *, |
| struct rpc_program *, u32); |
| 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_getport_sync(struct sockaddr_in *, __u32, __u32, int); |
| void rpcb_getport_async(struct rpc_task *); |
| |
| void rpc_call_start(struct rpc_task *); |
| int rpc_call_async(struct rpc_clnt *clnt, struct rpc_message *msg, |
| int flags, const struct rpc_call_ops *tk_ops, |
| void *calldata); |
| int rpc_call_sync(struct rpc_clnt *clnt, struct rpc_message *msg, |
| int flags); |
| struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred, |
| int flags); |
| void rpc_restart_call(struct rpc_task *); |
| void rpc_clnt_sigmask(struct rpc_clnt *clnt, sigset_t *oldset); |
| void rpc_clnt_sigunmask(struct rpc_clnt *clnt, sigset_t *oldset); |
| void rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int); |
| size_t rpc_max_payload(struct rpc_clnt *); |
| void rpc_force_rebind(struct rpc_clnt *); |
| size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t); |
| char * rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t); |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _LINUX_SUNRPC_CLNT_H */ |