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- /*
- * 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 {
- atomic_t cl_count; /* Number of clones */
- atomic_t cl_users; /* number of references */
- 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() */
- cl_oneshot : 1,/* dispose after use */
- cl_dead : 1;/* abandoned */
- 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_bufsiz; /* req. buffer size */
- 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 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_ONESHOT (1UL << 3)
- #define RPC_CLNT_CREATE_NONPRIVPORT (1UL << 4)
- #define RPC_CLNT_CREATE_NOPING (1UL << 5)
- #define RPC_CLNT_CREATE_DISCRTRY (1UL << 6)
- struct rpc_clnt *rpc_create(struct rpc_create_args *args);
- struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
- struct rpc_program *, int);
- struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
- int rpc_shutdown_client(struct rpc_clnt *);
- int rpc_destroy_client(struct rpc_clnt *);
- void rpc_release_client(struct rpc_clnt *);
- void rpc_getport(struct rpc_task *);
- int rpc_register(u32, u32, int, unsigned short, int *);
- void rpc_call_setup(struct rpc_task *, struct rpc_message *, int);
- 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);
- 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 *);
- int rpc_ping(struct rpc_clnt *clnt, int flags);
- size_t rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
- char * rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
- /*
- * Helper function for NFSroot support
- */
- int rpc_getport_external(struct sockaddr_in *, __u32, __u32, int);
- #endif /* __KERNEL__ */
- #endif /* _LINUX_SUNRPC_CLNT_H */
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