The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/nfs/nfs_var.h

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    1 /*      $OpenBSD: nfs_var.h,v 1.63 2017/02/22 11:42:46 mpi Exp $        */
    2 /*      $NetBSD: nfs_var.h,v 1.3 1996/02/18 11:53:54 fvdl Exp $ */
    3 
    4 /*
    5  * Copyright (c) 1996 Christos Zoulas.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Christos Zoulas.
   18  * 4. The name of the author may not be used to endorse or promote products
   19  *    derived from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /*
   34  * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs.
   35  */
   36 #ifndef _NFS_NFS_VAR_H_
   37 #define _NFS_NFS_VAR_H_
   38 
   39 #ifdef _KERNEL
   40 
   41 struct nfsnode;
   42 struct sillyrename;
   43 struct componentname;
   44 struct nfs_diskless;
   45 struct nfsm_info;
   46 
   47 /* nfs_bio.c */
   48 int nfs_bioread(struct vnode *, struct uio *, int, struct ucred *);
   49 int nfs_write(void *);
   50 int nfs_vinvalbuf(struct vnode *, int, struct ucred *, struct proc *);
   51 int nfs_asyncio(struct buf *, int readahead);
   52 int nfs_doio(struct buf *, struct proc *);
   53 
   54 /* nfs_boot.c */
   55 int nfs_boot_init(struct nfs_diskless *, struct proc *);
   56 
   57 /* nfs_node.c */
   58 void nfs_ninit(struct nfsmount *);
   59 int nfs_nget(struct mount *, nfsfh_t *, int, struct nfsnode **);
   60 int nfs_inactive(void *);
   61 int nfs_reclaim(void *);
   62 
   63 /* nfs_vnops.c */
   64 int nfs_readlink(void *);
   65 int nfs_readlinkrpc(struct vnode *, struct uio *, struct ucred *);
   66 int nfs_readrpc(struct vnode *, struct uio *);
   67 int nfs_writerpc(struct vnode *, struct uio *, int *, int *);
   68 int nfs_removeit(struct sillyrename *);
   69 int nfs_mmap(void *);
   70 int nfs_blkatoff(void *);
   71 int nfs_writebp(struct buf *, int);
   72 
   73 #define nfs_ioctl       ((int (*)(void *))enoioctl)
   74 
   75 /* nfs_serv.c */
   76 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *,
   77                        struct proc *, struct mbuf **);
   78 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *,
   79                        struct proc *, struct mbuf **);
   80 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *,
   81                        struct proc *, struct mbuf **);
   82 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *,
   83                       struct proc *, struct mbuf **);
   84 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *,
   85                         struct proc *, struct mbuf **);
   86 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *,
   87                     struct proc *, struct mbuf **);
   88 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *,
   89                      struct proc *, struct mbuf **);
   90 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *,
   91                       struct proc *, struct mbuf **);
   92 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *,
   93                      struct proc *, struct mbuf **);
   94 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *,
   95                       struct proc *, struct mbuf **);
   96 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *,
   97                       struct proc *, struct mbuf **);
   98 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *,
   99                     struct proc *, struct mbuf **);
  100 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *,
  101                        struct proc *, struct mbuf **);
  102 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *,
  103                      struct proc *, struct mbuf **);
  104 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *,
  105                      struct proc *, struct mbuf **);
  106 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *,
  107                        struct proc *, struct mbuf **);
  108 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *,
  109                            struct proc *, struct mbuf **);
  110 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *,
  111                       struct proc *, struct mbuf **);
  112 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *,
  113                       struct proc *, struct mbuf **);
  114 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *,
  115                       struct proc *, struct mbuf **);
  116 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *,
  117                         struct proc *, struct mbuf **);
  118 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *,
  119                     struct proc *, struct mbuf **);
  120 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *,
  121                     struct proc *, struct mbuf **);
  122 
  123 /* nfs_socket.c */
  124 int nfs_connect(struct nfsmount *, struct nfsreq *);
  125 void nfs_disconnect(struct nfsmount *);
  126 int nfs_send(struct socket *, struct mbuf *, struct mbuf *,
  127                   struct nfsreq *);
  128 int nfs_request(struct vnode *, int, struct nfsm_info *);
  129 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, int,
  130                 struct mbuf **, struct mbuf **);
  131 void nfs_timer(void *);
  132 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct proc *);
  133 int nfs_sndlock(int *, struct nfsreq *);
  134 void nfs_sndunlock(int *);
  135 void nfsrv_rcv(struct socket *, caddr_t, int);
  136 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *,
  137                      struct nfsrv_descript **);
  138 void nfsrv_wakenfsd(struct nfssvc_sock *);
  139 
  140 /* nfs_srvcache.c */
  141 void nfsrv_initcache(void );
  142 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *,
  143                         struct mbuf **);
  144 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *);
  145 void nfsrv_cleancache(void);
  146 
  147 /* nfs_subs.c */
  148 struct mbuf *nfsm_reqhead(int);
  149 void nfsm_rpchead(struct nfsreq *, struct ucred *, int);
  150 void *nfsm_build(struct mbuf **, u_int);
  151 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, caddr_t *);
  152 void nfsm_uiotombuf(struct mbuf **, struct uio *, size_t);
  153 void nfsm_strtombuf(struct mbuf **, void *, size_t);
  154 void nfsm_buftombuf(struct mbuf **, void *, size_t);
  155 int nfsm_disct(struct mbuf **, caddr_t *, int, int, caddr_t *);
  156 int nfs_adv(struct mbuf **, caddr_t *, int, int);
  157 int nfsm_strtmbuf(struct mbuf **, char **, char *, long);
  158 int nfs_vfs_init(struct vfsconf *);
  159 int nfs_attrtimeo(struct nfsnode *);
  160 int nfs_loadattrcache(struct vnode **, struct mbuf **, caddr_t *,
  161                            struct vattr *);
  162 int nfs_getattrcache(struct vnode *, struct vattr *);
  163 int nfs_namei(struct nameidata *, fhandle_t *, int, struct nfssvc_sock *,
  164                    struct mbuf *, struct mbuf **, caddr_t *, struct vnode **,
  165                    struct proc *);
  166 void nfsm_v3attrbuild(struct mbuf **, struct vattr *, int);
  167 void nfsm_adj(struct mbuf *, int, int);
  168 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int,
  169                       struct vattr *, struct nfsm_info *);
  170 void nfsm_srvpostop_attr(struct nfsrv_descript *, int, struct vattr *,
  171                              struct nfsm_info *);
  172 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *,
  173                         struct nfs_fattr *);
  174 int nfsrv_fhtovp(fhandle_t *, int, struct vnode **, struct ucred *,
  175                       struct nfssvc_sock *, struct mbuf *, int *);
  176 int netaddr_match(int, union nethostaddr *, struct mbuf *);
  177 void nfs_clearcommit(struct mount *);
  178 int nfs_in_committed_range(struct vnode *, struct buf *);
  179 int nfs_in_tobecommitted_range(struct vnode *, struct buf *);
  180 void nfs_add_committed_range(struct vnode *, struct buf *);
  181 void nfs_del_committed_range(struct vnode *, struct buf *);
  182 void nfs_add_tobecommitted_range(struct vnode *, struct buf *);
  183 void nfs_del_tobecommitted_range(struct vnode *, struct buf *);
  184 void nfs_merge_commit_ranges(struct vnode *);
  185 int nfsrv_errmap(struct nfsrv_descript *, int);
  186 int nfsm_srvsattr(struct mbuf **, struct vattr *, struct mbuf *, caddr_t *);
  187 void nfsm_fhtom(struct nfsm_info *, struct vnode *, int);
  188 void nfsm_srvfhtom(struct mbuf **, fhandle_t *, int);
  189 
  190 /* nfs_syscalls.c */
  191 int sys_nfssvc(struct proc *, void *, register_t *);
  192 void nfsrv_init(int);
  193 void start_nfsio(void *);
  194 void nfs_getset_niothreads(int);
  195 
  196 /* nfs_kq.c */
  197 int  nfs_kqfilter(void *);
  198 
  199 /* Internal NFS utility macros */
  200 #define mb_offset(m)    (mtod((m), caddr_t) + (m)->m_len)
  201 #define nfsm_padlen(s)  (nfsm_rndup(s) - (s))
  202 
  203 #endif /* _KERNEL */
  204 #endif /* _NFS_NFS_VAR_H_ */

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