1 /* $NetBSD: nfs.h,v 1.2 2016/12/13 22:54:24 pgoyette 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 276140 2014-12-23 14:24:36Z rmacklem 34 * $NetBSD: nfs.h,v 1.2 2016/12/13 22:54:24 pgoyette 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 #ifdef NFS_DEBUG 61 62 extern int nfs_debug; 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 */ 66 67 #define NFS_DPF(cat, args) \ 68 do { \ 69 if (nfs_debug & NFS_DEBUG_##cat) printf args; \ 70 } while (0) 71 72 #else 73 74 #define NFS_DPF(cat, args) 75 76 #endif 77 78 /* 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(). 84 */ 85 enum nfsiod_state { 86 NFSIOD_NOT_AVAILABLE = 0, 87 NFSIOD_AVAILABLE = 1, 88 NFSIOD_CREATED_FOR_NFS_ASYNCIO = 2, 89 }; 90 91 /* 92 * Function prototypes. 93 */ 94 int ncl_meta_setsize(struct vnode *, struct kauth_cred *, struct lwp *, 95 u_quad_t); 96 void ncl_doio_directwrite(struct buf *); 97 int ncl_bioread(struct vnode *, struct uio *, int, struct kauth_cred *); 98 int ncl_biowrite(struct vnode *, struct uio *, int, struct kauth_cred *); 99 int ncl_vinvalbuf(struct vnode *, int, struct kauth_cred *, int); 100 int ncl_asyncio(struct nfsmount *, struct buf *, struct kauth_cred *, 101 struct lwp *); 102 int ncl_doio(struct vnode *, struct buf *, struct kauth_cred *, struct lwp *, 103 int); 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 kauth_cred *); 110 int ncl_writerpc(struct vnode *, struct uio *, struct kauth_cred *, int *, 111 int *, int); 112 int ncl_readlinkrpc(struct vnode *, struct uio *, struct kauth_cred *); 113 int ncl_readdirrpc(struct vnode *, struct uio *, struct kauth_cred *, 114 struct lwp *); 115 int ncl_readdirplusrpc(struct vnode *, struct uio *, struct kauth_cred *, 116 struct lwp *); 117 int ncl_writebp(struct buf *, int, struct lwp *); 118 int ncl_commit(struct vnode *, u_quad_t, int, struct kauth_cred *, 119 struct lwp *); 120 void ncl_clearcommit(struct mount *); 121 int ncl_fsinfo(struct nfsmount *, struct vnode *, struct kauth_cred *, 122 struct lwp *); 123 int ncl_init(struct vfsconf *); 124 int ncl_uninit(struct vfsconf *); 125 void ncl_nfsiodnew(void); 126 void ncl_nfsiodnew_tq(__unused void *, int); 127 128 #endif /* _KERNEL */ 129 130 #endif /* _NFSCLIENT_NFS_H_ */ 131