xref: /illumos-gate/usr/src/uts/common/nfs/nfs_dispatch.h (revision bd94aa560898627952fba8f09dda95c4492e7d9e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
24  */
25 
26 /*
27  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 /*
32  *	Copyright (c) 1983,1984,1985,1986,1987,1988,1989  AT&T.
33  *	All rights reserved.
34  *	Use is subject to license terms.
35  */
36 
37 
38 #ifndef _NFS_DISPATCH_H
39 #define	_NFS_DISPATCH_H
40 
41 #ifdef	__cplusplus
42 extern "C" {
43 #endif
44 
45 /*
46  * RPC dispatch table
47  * Indexed by version, proc
48  */
49 
50 typedef struct rpcdisp {
51 	void	  (*dis_proc)();	/* proc to call */
52 	xdrproc_t dis_xdrargs;		/* xdr routine to get args */
53 	xdrproc_t dis_fastxdrargs;	/* `fast' xdr routine to get args */
54 	int	  dis_argsz;		/* sizeof args */
55 	xdrproc_t dis_xdrres;		/* xdr routine to put results */
56 	xdrproc_t dis_fastxdrres;	/* `fast' xdr routine to put results */
57 	int	  dis_ressz;		/* size of results */
58 	void	  (*dis_resfree)();	/* frees space allocated by proc */
59 	int	  dis_flags;		/* flags, see below */
60 	void	  *(*dis_getfh)();	/* returns the fhandle for the req */
61 } rpcdisp_t;
62 
63 #define	RPC_IDEMPOTENT	0x1	/* idempotent or not */
64 /*
65  * Be very careful about which NFS procedures get the RPC_ALLOWANON bit.
66  * Right now, if this bit is on, we ignore the results of per NFS request
67  * access control.
68  */
69 #define	RPC_ALLOWANON	0x2	/* allow anonymous access */
70 #define	RPC_MAPRESP	0x4	/* use mapped response buffer */
71 #define	RPC_AVOIDWORK	0x8	/* do work avoidance for dups */
72 #define	RPC_PUBLICFH_OK	0x10	/* allow use of public filehandle */
73 
74 typedef struct rpc_disptable {
75 	int dis_nprocs;
76 	char **dis_procnames;
77 	kstat_named_t **dis_proccntp;
78 	kstat_t ***dis_prociop;
79 	struct rpcdisp *dis_table;
80 } rpc_disptable_t;
81 
82 void	rpc_null(caddr_t *, caddr_t *, struct exportinfo *, struct svc_req *,
83     cred_t *, bool_t);
84 
85 #ifdef	__cplusplus
86 }
87 #endif
88 
89 #endif /* _NFS_DISPATCH_H */
90