1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* 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 */
const struct rpc_timeout *cl_timeout; /* Timeout strategy */
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_timeout cl_timeout_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;
const 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);
const char *rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
#endif /* __KERNEL__ */
#endif /* _LINUX_SUNRPC_CLNT_H */
|
