nfs.h revision 1.1 1 /* $NetBSD: nfs.h,v 1.1 2013/09/30 07:19:30 dholland Exp $ */
2 /*-
3 * Copyright (c) 1989, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Rick Macklem at The University of Guelph.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * FreeBSD: head/sys/fs/nfsclient/nfs.h 221040 2011-04-25 23:12:18Z rmacklem
34 * $NetBSD: nfs.h,v 1.1 2013/09/30 07:19:30 dholland Exp $
35 */
36
37 #ifndef _NFSCLIENT_NFS_H_
38 #define _NFSCLIENT_NFS_H_
39
40 #if defined(_KERNEL)
41
42 #ifndef NFS_TPRINTF_INITIAL_DELAY
43 #define NFS_TPRINTF_INITIAL_DELAY 12
44 #endif
45
46 #ifndef NFS_TPRINTF_DELAY
47 #define NFS_TPRINTF_DELAY 30
48 #endif
49
50 /*
51 * Nfs version macros.
52 */
53 #define NFS_ISV3(v) \
54 (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
55 #define NFS_ISV4(v) \
56 (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV4)
57 #define NFS_ISV34(v) \
58 (VFSTONFS((v)->v_mount)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4))
59
60 /*
61 * NFS iod threads can be in one of these three states once spawned.
62 * NFSIOD_NOT_AVAILABLE - Cannot be assigned an I/O operation at this time.
63 * NFSIOD_AVAILABLE - Available to be assigned an I/O operation.
64 * NFSIOD_CREATED_FOR_NFS_ASYNCIO - Newly created for nfs_asyncio() and
65 * will be used by the thread that called nfs_asyncio().
66 */
67 enum nfsiod_state {
68 NFSIOD_NOT_AVAILABLE = 0,
69 NFSIOD_AVAILABLE = 1,
70 NFSIOD_CREATED_FOR_NFS_ASYNCIO = 2,
71 };
72
73 /*
74 * Function prototypes.
75 */
76 int ncl_meta_setsize(struct vnode *, struct ucred *, struct thread *,
77 u_quad_t);
78 void ncl_doio_directwrite(struct buf *);
79 int ncl_bioread(struct vnode *, struct uio *, int, struct ucred *);
80 int ncl_biowrite(struct vnode *, struct uio *, int, struct ucred *);
81 int ncl_vinvalbuf(struct vnode *, int, struct thread *, int);
82 int ncl_asyncio(struct nfsmount *, struct buf *, struct ucred *,
83 struct thread *);
84 int ncl_doio(struct vnode *, struct buf *, struct ucred *, struct thread *,
85 int);
86 void ncl_nhinit(void);
87 void ncl_nhuninit(void);
88 void ncl_nodelock(struct nfsnode *);
89 void ncl_nodeunlock(struct nfsnode *);
90 int ncl_getattrcache(struct vnode *, struct vattr *);
91 int ncl_readrpc(struct vnode *, struct uio *, struct ucred *);
92 int ncl_writerpc(struct vnode *, struct uio *, struct ucred *, int *, int *,
93 int);
94 int ncl_readlinkrpc(struct vnode *, struct uio *, struct ucred *);
95 int ncl_readdirrpc(struct vnode *, struct uio *, struct ucred *,
96 struct thread *);
97 int ncl_readdirplusrpc(struct vnode *, struct uio *, struct ucred *,
98 struct thread *);
99 int ncl_writebp(struct buf *, int, struct thread *);
100 int ncl_commit(struct vnode *, u_quad_t, int, struct ucred *, struct thread *);
101 void ncl_clearcommit(struct mount *);
102 int ncl_fsinfo(struct nfsmount *, struct vnode *, struct ucred *,
103 struct thread *);
104 int ncl_init(struct vfsconf *);
105 int ncl_uninit(struct vfsconf *);
106 void ncl_nfsiodnew(void);
107 void ncl_nfsiodnew_tq(__unused void *, int);
108
109 #endif /* _KERNEL */
110
111 #endif /* _NFSCLIENT_NFS_H_ */
112