1 | /*- |
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2 | * SPDX-License-Identifier: BSD-3-Clause |
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3 | * |
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4 | * Copyright (c) 1989, 1993 |
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5 | * The Regents of the University of California. All rights reserved. |
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6 | * |
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7 | * This code is derived from software contributed to Berkeley by |
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8 | * Rick Macklem at The University of Guelph. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * 3. Neither the name of the University nor the names of its contributors |
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19 | * may be used to endorse or promote products derived from this software |
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20 | * without specific prior written permission. |
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21 | * |
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22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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32 | * SUCH DAMAGE. |
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33 | * |
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34 | * $FreeBSD$ |
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35 | */ |
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36 | |
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37 | #ifndef _NFSCLIENT_NFS_H_ |
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38 | #define _NFSCLIENT_NFS_H_ |
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39 | |
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40 | #if defined(_KERNEL) |
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41 | |
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42 | #ifndef NFS_TPRINTF_INITIAL_DELAY |
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43 | #define NFS_TPRINTF_INITIAL_DELAY 12 |
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44 | #endif |
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45 | |
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46 | #ifndef NFS_TPRINTF_DELAY |
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47 | #define NFS_TPRINTF_DELAY 30 |
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48 | #endif |
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49 | |
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50 | /* |
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51 | * Nfs version macros. |
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52 | */ |
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53 | #define NFS_ISV3(v) \ |
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54 | (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) |
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55 | #define NFS_ISV4(v) \ |
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56 | (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV4) |
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57 | #define NFS_ISV34(v) \ |
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58 | (VFSTONFS((v)->v_mount)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4)) |
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59 | |
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60 | #ifdef NFS_DEBUG |
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61 | |
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62 | extern int nfs_debug; |
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63 | #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ |
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64 | #define NFS_DEBUG_WG 2 /* server write gathering */ |
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65 | #define NFS_DEBUG_RC 4 /* server request caching */ |
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66 | |
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67 | #define NFS_DPF(cat, args) \ |
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68 | do { \ |
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69 | if (nfs_debug & NFS_DEBUG_##cat) printf args; \ |
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70 | } while (0) |
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71 | |
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72 | #else |
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73 | |
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74 | #define NFS_DPF(cat, args) |
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75 | |
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76 | #endif |
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77 | |
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78 | /* |
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79 | * NFS iod threads can be in one of these three states once spawned. |
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80 | * NFSIOD_NOT_AVAILABLE - Cannot be assigned an I/O operation at this time. |
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81 | * NFSIOD_AVAILABLE - Available to be assigned an I/O operation. |
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82 | * NFSIOD_CREATED_FOR_NFS_ASYNCIO - Newly created for nfs_asyncio() and |
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83 | * will be used by the thread that called nfs_asyncio(). |
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84 | */ |
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85 | enum nfsiod_state { |
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86 | NFSIOD_NOT_AVAILABLE = 0, |
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87 | NFSIOD_AVAILABLE = 1, |
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88 | NFSIOD_CREATED_FOR_NFS_ASYNCIO = 2, |
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89 | }; |
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90 | |
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91 | /* |
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92 | * Function prototypes. |
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93 | */ |
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94 | int ncl_meta_setsize(struct vnode *, struct thread *, u_quad_t); |
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95 | void ncl_doio_directwrite(struct buf *); |
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96 | int ncl_bioread(struct vnode *, struct uio *, int, struct ucred *); |
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97 | int ncl_biowrite(struct vnode *, struct uio *, int, struct ucred *); |
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98 | int ncl_vinvalbuf(struct vnode *, int, struct thread *, int); |
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99 | int ncl_asyncio(struct |
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100 | nfsmount *, struct buf *, struct ucred *, |
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101 | struct thread *); |
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102 | int ncl_doio(struct vnode *, struct buf *, struct ucred *, struct thread *, |
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103 | int); |
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104 | void ncl_nhinit(void); |
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105 | void ncl_nhuninit(void); |
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106 | void ncl_nodelock(struct nfsnode *); |
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107 | void ncl_nodeunlock(struct nfsnode *); |
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108 | int ncl_getattrcache(struct vnode *, struct vattr *); |
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109 | int ncl_readrpc(struct vnode *, struct uio *, struct ucred *); |
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110 | int ncl_writerpc(struct vnode *, struct uio *, struct ucred *, int *, int *, |
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111 | int); |
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112 | int ncl_readlinkrpc(struct vnode *, struct uio *, struct ucred *); |
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113 | int ncl_readdirrpc(struct vnode *, struct uio *, struct ucred *, |
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114 | struct thread *); |
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115 | int ncl_readdirplusrpc(struct vnode *, struct uio *, struct ucred *, |
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116 | struct thread *); |
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117 | int ncl_writebp(struct buf *, int, struct thread *); |
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118 | int ncl_commit(struct vnode *, u_quad_t, int, struct ucred *, struct thread *); |
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119 | void ncl_clearcommit(struct mount *); |
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120 | int ncl_fsinfo(struct nfsmount *, struct vnode *, struct ucred *, |
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121 | struct thread *); |
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122 | int ncl_init(struct vfsconf *); |
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123 | int ncl_uninit(struct vfsconf *); |
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124 | void ncl_nfsiodnew(void); |
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125 | void ncl_nfsiodnew_tq(__unused void *, int); |
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126 | |
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127 | #endif /* _KERNEL */ |
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128 | |
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129 | #endif /* _NFSCLIENT_NFS_H_ */ |
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