2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #ifndef _NFSCLIENT_NFS_H_
38 #define _NFSCLIENT_NFS_H_
42 #ifndef NFS_TPRINTF_INITIAL_DELAY
43 #define NFS_TPRINTF_INITIAL_DELAY 12
46 #ifndef NFS_TPRINTF_DELAY
47 #define NFS_TPRINTF_DELAY 30
54 (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
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))
63 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
64 #define NFS_DEBUG_WG 2 /* server write gathering */
65 #define NFS_DEBUG_RC 4 /* server request caching */
67 #define NFS_DPF(cat, args) \
69 if (nfs_debug & NFS_DEBUG_##cat) printf args; \
74 #define NFS_DPF(cat, args)
79 * NFS iod threads can be in one of these three states once spawned.
80 * NFSIOD_NOT_AVAILABLE - Cannot be assigned an I/O operation at this time.
81 * NFSIOD_AVAILABLE - Available to be assigned an I/O operation.
82 * NFSIOD_CREATED_FOR_NFS_ASYNCIO - Newly created for nfs_asyncio() and
83 * will be used by the thread that called nfs_asyncio().
86 NFSIOD_NOT_AVAILABLE = 0,
88 NFSIOD_CREATED_FOR_NFS_ASYNCIO = 2,
92 * Function prototypes.
94 int ncl_meta_setsize(struct vnode *, struct ucred *, struct thread *,
96 void ncl_doio_directwrite(struct buf *);
97 int ncl_bioread(struct vnode *, struct uio *, int, struct ucred *);
98 int ncl_biowrite(struct vnode *, struct uio *, int, struct ucred *);
99 int ncl_vinvalbuf(struct vnode *, int, struct thread *, int);
100 int ncl_asyncio(struct nfsmount *, struct buf *, struct ucred *,
102 int ncl_doio(struct vnode *, struct buf *, struct ucred *, struct thread *,
104 void ncl_nhinit(void);
105 void ncl_nhuninit(void);
106 void ncl_nodelock(struct nfsnode *);
107 void ncl_nodeunlock(struct nfsnode *);
108 int ncl_getattrcache(struct vnode *, struct vattr *);
109 int ncl_readrpc(struct vnode *, struct uio *, struct ucred *);
110 int ncl_writerpc(struct vnode *, struct uio *, struct ucred *, int *, int *,
112 int ncl_readlinkrpc(struct vnode *, struct uio *, struct ucred *);
113 int ncl_readdirrpc(struct vnode *, struct uio *, struct ucred *,
115 int ncl_readdirplusrpc(struct vnode *, struct uio *, struct ucred *,
117 int ncl_writebp(struct buf *, int, struct thread *);
118 int ncl_commit(struct vnode *, u_quad_t, int, struct ucred *, struct thread *);
119 void ncl_clearcommit(struct mount *);
120 int ncl_fsinfo(struct nfsmount *, struct vnode *, struct ucred *,
122 int ncl_init(struct vfsconf *);
123 int ncl_uninit(struct vfsconf *);
124 void ncl_nfsiodnew(void);
125 void ncl_nfsiodnew_tq(__unused void *, int);
129 #endif /* _NFSCLIENT_NFS_H_ */