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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Rick Macklem at The University of Guelph.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NFSCLIENT_NFS_H_
#define _NFSCLIENT_NFS_H_
#if defined(_KERNEL)
#ifndef NFS_TPRINTF_INITIAL_DELAY
#define NFS_TPRINTF_INITIAL_DELAY 12
#endif
#ifndef NFS_TPRINTF_DELAY
#define NFS_TPRINTF_DELAY 30
#endif
/*
* Nfs version macros.
*/
#define NFS_ISV3(v) \
(VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
#define NFS_ISV4(v) \
(VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV4)
#define NFS_ISV34(v) \
(VFSTONFS((v)->v_mount)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4))
#ifdef NFS_DEBUG
extern int nfs_debug;
#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
#define NFS_DEBUG_WG 2 /* server write gathering */
#define NFS_DEBUG_RC 4 /* server request caching */
#define NFS_DPF(cat, args) \
do { \
if (nfs_debug & NFS_DEBUG_##cat) printf args; \
} while (0)
#else
#define NFS_DPF(cat, args)
#endif
/*
* NFS iod threads can be in one of these three states once spawned.
* NFSIOD_NOT_AVAILABLE - Cannot be assigned an I/O operation at this time.
* NFSIOD_AVAILABLE - Available to be assigned an I/O operation.
* NFSIOD_CREATED_FOR_NFS_ASYNCIO - Newly created for nfs_asyncio() and
* will be used by the thread that called nfs_asyncio().
*/
enum nfsiod_state {
NFSIOD_NOT_AVAILABLE = 0,
NFSIOD_AVAILABLE = 1,
NFSIOD_CREATED_FOR_NFS_ASYNCIO = 2,
};
/*
* Function prototypes.
*/
int ncl_meta_setsize(struct vnode *, struct thread *, u_quad_t);
void ncl_doio_directwrite(struct buf *);
int ncl_bioread(struct vnode *, struct uio *, int, struct ucred *);
int ncl_biowrite(struct vnode *, struct uio *, int, struct ucred *);
int ncl_vinvalbuf(struct vnode *, int, struct thread *, int);
int ncl_asyncio(struct nfsmount *, struct buf *, struct ucred *,
struct thread *);
int ncl_doio(struct vnode *, struct buf *, struct ucred *, struct thread *,
int);
void ncl_nhinit(void);
void ncl_nhuninit(void);
void ncl_nodelock(struct nfsnode *);
void ncl_nodeunlock(struct nfsnode *);
int ncl_getattrcache(struct vnode *, struct vattr *);
int ncl_readrpc(struct vnode *, struct uio *, struct ucred *);
int ncl_writerpc(struct vnode *, struct uio *, struct ucred *, int *, int *,
int);
int ncl_readlinkrpc(struct vnode *, struct uio *, struct ucred *);
int ncl_readdirrpc(struct vnode *, struct uio *, struct ucred *,
struct thread *);
int ncl_readdirplusrpc(struct vnode *, struct uio *, struct ucred *,
struct thread *);
int ncl_writebp(struct buf *, int, struct thread *);
int ncl_commit(struct vnode *, u_quad_t, int, struct ucred *, struct thread *);
void ncl_clearcommit(struct mount *);
int ncl_fsinfo(struct nfsmount *, struct vnode *, struct ucred *,
struct thread *);
int ncl_init(struct vfsconf *);
int ncl_uninit(struct vfsconf *);
void ncl_nfsiodnew(void);
void ncl_nfsiodnew_tq(__unused void *, int);
#endif /* _KERNEL */
#endif /* _NFSCLIENT_NFS_H_ */
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