You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
4.5 KiB
153 lines
4.5 KiB
/*
|
|
* 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>
|
|
|
|
/*
|
|
* This defines an RPC port mapping
|
|
*/
|
|
struct rpc_portmap {
|
|
__u32 pm_prog;
|
|
__u32 pm_vers;
|
|
__u32 pm_prot;
|
|
__u16 pm_port;
|
|
unsigned char pm_binding : 1; /* doing a getport() */
|
|
struct rpc_wait_queue pm_bindwait; /* waiting on getport() */
|
|
};
|
|
|
|
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_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; /* statistics */
|
|
|
|
unsigned int cl_softrtry : 1,/* soft timeouts */
|
|
cl_intr : 1,/* interruptible */
|
|
cl_chatty : 1,/* be verbose */
|
|
cl_autobind : 1,/* use getport() */
|
|
cl_oneshot : 1,/* dispose after use */
|
|
cl_dead : 1;/* abandoned */
|
|
|
|
struct rpc_rtt * cl_rtt; /* RTO estimator data */
|
|
struct rpc_portmap * cl_pmap; /* port mapping */
|
|
|
|
int cl_nodelen; /* nodename length */
|
|
char cl_nodename[UNX_MAXNODENAME];
|
|
char cl_pathname[30];/* Path in rpc_pipe_fs */
|
|
struct dentry * cl_dentry; /* inode */
|
|
struct rpc_clnt * cl_parent; /* Points to parent of clones */
|
|
struct rpc_rtt cl_rtt_default;
|
|
struct rpc_portmap cl_pmap_default;
|
|
char cl_inline_name[32];
|
|
};
|
|
#define cl_timeout cl_xprt->timeout
|
|
#define cl_prog cl_pmap->pm_prog
|
|
#define cl_vers cl_pmap->pm_vers
|
|
#define cl_port cl_pmap->pm_port
|
|
#define cl_prot cl_pmap->pm_prot
|
|
|
|
/*
|
|
* 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 */
|
|
};
|
|
|
|
#define RPC_CONGESTED(clnt) (RPCXPRT_CONGESTED((clnt)->cl_xprt))
|
|
#define RPC_PEERADDR(clnt) (&(clnt)->cl_xprt->addr)
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
struct rpc_clnt *rpc_create_client(struct rpc_xprt *xprt, char *servname,
|
|
struct rpc_program *info,
|
|
u32 version, rpc_authflavor_t authflavor);
|
|
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 *, struct rpc_clnt *);
|
|
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, rpc_action callback, void *clntdata);
|
|
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 *);
|
|
|
|
static __inline__
|
|
int rpc_call(struct rpc_clnt *clnt, u32 proc, void *argp, void *resp, int flags)
|
|
{
|
|
struct rpc_message msg = {
|
|
.rpc_proc = &clnt->cl_procinfo[proc],
|
|
.rpc_argp = argp,
|
|
.rpc_resp = resp,
|
|
.rpc_cred = NULL
|
|
};
|
|
return rpc_call_sync(clnt, &msg, flags);
|
|
}
|
|
|
|
extern void rpciod_wake_up(void);
|
|
|
|
/*
|
|
* Helper function for NFSroot support
|
|
*/
|
|
int rpc_getport_external(struct sockaddr_in *, __u32, __u32, int);
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _LINUX_SUNRPC_CLNT_H */
|
|
|