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 /* $NetBSD: nfs_var.h,v 1.82 2008/10/22 12:29:35 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs 34 */ 35 36 #ifdef _KERNEL 37 #include <sys/mallocvar.h> 38 #include <sys/pool.h> 39 40 MALLOC_DECLARE(M_NFSD); 41 MALLOC_DECLARE(M_NFSDIROFF); 42 43 struct vnode; 44 struct uio; 45 struct proc; 46 struct buf; 47 struct nfs_diskless; 48 struct sockaddr_in; 49 struct nfs_dlmount; 50 struct vnode; 51 struct nfsd; 52 struct mbuf; 53 struct file; 54 struct nfssvc_sock; 55 struct nfsmount; 56 struct socket; 57 struct nfsreq; 58 struct vattr; 59 struct nameidata; 60 struct nfsnode; 61 struct sillyrename; 62 struct componentname; 63 struct nfsd_srvargs; 64 struct nfsrv_descript; 65 struct nfs_fattr; 66 struct nfsdircache; 67 union nethostaddr; 68 69 /* nfs_bio.c */ 70 int nfs_bioread(struct vnode *, struct uio *, int, kauth_cred_t, int); 71 struct buf *nfs_getcacheblk(struct vnode *, daddr_t, int, struct lwp *); 72 int nfs_vinvalbuf(struct vnode *, int, kauth_cred_t, struct lwp *, int); 73 int nfs_flushstalebuf(struct vnode *, kauth_cred_t, struct lwp *, int); 74 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */ 75 int nfs_asyncio(struct buf *); 76 int nfs_doio(struct buf *); 77 78 /* nfs_boot.c */ 79 /* see nfsdiskless.h */ 80 81 /* nfs_kq.c */ 82 void nfs_kqinit(void); 83 84 /* nfs_node.c */ 85 void nfs_rbtinit(struct nfsmount *); 86 void nfs_node_init(void); 87 void nfs_node_done(void); 88 89 int nfs_nget1(struct mount *, nfsfh_t *, int, struct nfsnode **, int); 90 #define nfs_nget(mp, fhp, fhsize, npp) \ 91 nfs_nget1((mp), (fhp), (fhsize), (npp), 0) 92 93 /* nfs_vnops.c */ 94 int nfs_null(struct vnode *, kauth_cred_t, struct lwp *); 95 int nfs_setattrrpc(struct vnode *, struct vattr *, kauth_cred_t, struct lwp *); 96 int nfs_readlinkrpc(struct vnode *, struct uio *, kauth_cred_t); 97 int nfs_readrpc(struct vnode *, struct uio *); 98 int nfs_writerpc(struct vnode *, struct uio *, int *, bool, bool *); 99 int nfs_mknodrpc(struct vnode *, struct vnode **, struct componentname *, 100 struct vattr *); 101 int nfs_removeit(struct sillyrename *); 102 int nfs_removerpc(struct vnode *, const char *, int, kauth_cred_t, 103 struct lwp *); 104 int nfs_renameit(struct vnode *, struct componentname *, struct sillyrename *); 105 int nfs_renamerpc(struct vnode *, const char *, int, struct vnode *, 106 const char *, int, kauth_cred_t, struct lwp *); 107 int nfs_readdirrpc(struct vnode *, struct uio *, kauth_cred_t); 108 int nfs_readdirplusrpc(struct vnode *, struct uio *, kauth_cred_t); 109 int nfs_sillyrename(struct vnode *, struct vnode *, struct componentname *, 110 bool); 111 int nfs_lookitup(struct vnode *, const char *, int, kauth_cred_t, 112 struct lwp *, struct nfsnode **); 113 int nfs_commit(struct vnode *, off_t, uint32_t, struct lwp *); 114 int nfs_flush(struct vnode *, kauth_cred_t, int, struct lwp *, int); 115 116 /* nfs_serv.c */ 117 int nfsrv3_access(struct nfsrv_descript *, struct nfssvc_sock *, 118 struct lwp *, struct mbuf **); 119 int nfsrv_getattr(struct nfsrv_descript *, struct nfssvc_sock *, 120 struct lwp *, struct mbuf **); 121 int nfsrv_setattr(struct nfsrv_descript *, struct nfssvc_sock *, 122 struct lwp *, struct mbuf **); 123 int nfsrv_lookup(struct nfsrv_descript *, struct nfssvc_sock *, 124 struct lwp *, struct mbuf **); 125 int nfsrv_readlink(struct nfsrv_descript *, struct nfssvc_sock *, 126 struct lwp *, struct mbuf **); 127 int nfsrv_read(struct nfsrv_descript *, struct nfssvc_sock *, 128 struct lwp *, struct mbuf **); 129 int nfsrv_write(struct nfsrv_descript *, struct nfssvc_sock *, 130 struct lwp *, struct mbuf **); 131 int nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *, 132 struct lwp *, struct mbuf **); 133 void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *); 134 int nfsrv_create(struct nfsrv_descript *, struct nfssvc_sock *, 135 struct lwp *, struct mbuf **); 136 int nfsrv_mknod(struct nfsrv_descript *, struct nfssvc_sock *, 137 struct lwp *, struct mbuf **); 138 int nfsrv_remove(struct nfsrv_descript *, struct nfssvc_sock *, 139 struct lwp *, struct mbuf **); 140 int nfsrv_rename(struct nfsrv_descript *, struct nfssvc_sock *, 141 struct lwp *, struct mbuf **); 142 int nfsrv_link(struct nfsrv_descript *, struct nfssvc_sock *, 143 struct lwp *, struct mbuf **); 144 int nfsrv_symlink(struct nfsrv_descript *, struct nfssvc_sock *, 145 struct lwp *, struct mbuf **); 146 int nfsrv_mkdir(struct nfsrv_descript *, struct nfssvc_sock *, 147 struct lwp *, struct mbuf **); 148 int nfsrv_rmdir(struct nfsrv_descript *, struct nfssvc_sock *, 149 struct lwp *, struct mbuf **); 150 int nfsrv_readdir(struct nfsrv_descript *, struct nfssvc_sock *, 151 struct lwp *, struct mbuf **); 152 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfssvc_sock *, 153 struct lwp *, struct mbuf **); 154 int nfsrv_commit(struct nfsrv_descript *, struct nfssvc_sock *, 155 struct lwp *, struct mbuf **); 156 int nfsrv_statfs(struct nfsrv_descript *, struct nfssvc_sock *, 157 struct lwp *, struct mbuf **); 158 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfssvc_sock *, 159 struct lwp *, struct mbuf **); 160 int nfsrv_pathconf(struct nfsrv_descript *, struct nfssvc_sock *, 161 struct lwp *, struct mbuf **); 162 int nfsrv_null(struct nfsrv_descript *, struct nfssvc_sock *, 163 struct lwp *, struct mbuf **); 164 int nfsrv_noop(struct nfsrv_descript *, struct nfssvc_sock *, 165 struct lwp *, struct mbuf **); 166 int nfsrv_access(struct vnode *, int, kauth_cred_t, int, struct lwp *, int); 167 168 /* nfs_socket.c */ 169 int nfs_connect(struct nfsmount *, struct nfsreq *, struct lwp *); 170 int nfs_reconnect(struct nfsreq *); 171 void nfs_disconnect(struct nfsmount *); 172 void nfs_safedisconnect(struct nfsmount *); 173 int nfs_send(struct socket *, struct mbuf *, struct mbuf *, struct nfsreq *, 174 struct lwp *); 175 int nfs_request(struct nfsnode *, struct mbuf *, int, struct lwp *, 176 kauth_cred_t, struct mbuf **, struct mbuf **, char **, int *); 177 int nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *, 178 int, int, u_quad_t *, struct mbuf **, struct mbuf **, char **); 179 void nfs_timer(void *); 180 void nfs_timer_init(void); 181 void nfs_timer_start(void); 182 int nfs_sigintr(struct nfsmount *, struct nfsreq *, struct lwp *); 183 int nfs_getreq(struct nfsrv_descript *, struct nfsd *, int); 184 int nfs_msg(struct lwp *, const char *, const char *); 185 void nfsrv_soupcall(struct socket *, void *, int); 186 void nfsrv_rcv(struct nfssvc_sock *); 187 int nfsrv_getstream(struct nfssvc_sock *, int); 188 int nfsrv_dorec(struct nfssvc_sock *, struct nfsd *, struct nfsrv_descript **, 189 bool *); 190 void nfsrv_wakenfsd(struct nfssvc_sock *); 191 int nfsdsock_lock(struct nfssvc_sock *, bool); 192 void nfsdsock_unlock(struct nfssvc_sock *); 193 int nfsdsock_drain(struct nfssvc_sock *); 194 int nfsdsock_sendreply(struct nfssvc_sock *, struct nfsrv_descript *); 195 void nfsdreq_init(void); 196 struct nfsrv_descript *nfsdreq_alloc(void); 197 void nfsdreq_free(struct nfsrv_descript *); 198 199 void nfsdsock_setbits(struct nfssvc_sock *, int); 200 void nfsdsock_clearbits(struct nfssvc_sock *, int); 201 bool nfsdsock_testbits(struct nfssvc_sock *, int); 202 203 /* nfs_srvcache.c */ 204 void nfsrv_initcache(void); 205 int nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *, 206 struct mbuf **); 207 void nfsrv_updatecache(struct nfsrv_descript *, int, struct mbuf *); 208 void nfsrv_cleancache(void); 209 210 /* nfs_subs.c */ 211 struct mbuf *nfsm_reqh(struct nfsnode *, u_long, int, char **); 212 struct mbuf *nfsm_rpchead(kauth_cred_t, int, int, int, int, char *, int, 213 char *, struct mbuf *, int, struct mbuf **, u_int32_t *); 214 int nfsm_mbuftouio(struct mbuf **, struct uio *, int, char **); 215 int nfsm_uiotombuf(struct uio *, struct mbuf **, int, char **); 216 int nfsm_disct(struct mbuf **, char **, int, int, char **); 217 int nfs_adv(struct mbuf **, char **, int, int); 218 int nfsm_strtmbuf(struct mbuf **, char **, const char *, long); 219 u_long nfs_dirhash(off_t); 220 void nfs_initdircache(struct vnode *); 221 void nfs_initdirxlatecookie(struct vnode *); 222 struct nfsdircache *nfs_searchdircache(struct vnode *, off_t, int, int *); 223 struct nfsdircache *nfs_enterdircache(struct vnode *, off_t, off_t, int, 224 daddr_t); 225 void nfs_putdircache(struct nfsnode *, struct nfsdircache *); 226 void nfs_invaldircache(struct vnode *, int); 227 #define NFS_INVALDIRCACHE_FORCE 1 228 #define NFS_INVALDIRCACHE_KEEPEOF 2 229 void nfs_init __P((void)); 230 int nfsm_loadattrcache(struct vnode **, struct mbuf **, char **, 231 struct vattr *, int flags); 232 int nfs_loadattrcache(struct vnode **, struct nfs_fattr *, struct vattr *, 233 int flags); 234 int nfs_getattrcache(struct vnode *, struct vattr *); 235 void nfs_delayedtruncate(struct vnode *); 236 int nfs_check_wccdata(struct nfsnode *, const struct timespec *, 237 struct timespec *, bool); 238 int nfs_namei(struct nameidata *, nfsrvfh_t *, uint32_t, struct nfssvc_sock *, 239 struct mbuf *, struct mbuf **, char **, struct vnode **, struct lwp *, 240 int, int); 241 void nfs_zeropad(struct mbuf *, int, int); 242 void nfsm_srvwcc(struct nfsrv_descript *, int, struct vattr *, int, 243 struct vattr *, struct mbuf **, char **); 244 void nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vattr *, 245 struct mbuf **, char **); 246 void nfsm_srvfattr(struct nfsrv_descript *, struct vattr *, struct nfs_fattr *); 247 int nfsrv_fhtovp(nfsrvfh_t *, int, struct vnode **, kauth_cred_t, 248 struct nfssvc_sock *, struct mbuf *, int *, int, int); 249 int nfs_ispublicfh __P((const nfsrvfh_t *)); 250 int netaddr_match(int, union nethostaddr *, struct mbuf *); 251 time_t nfs_attrtimeo(struct nfsmount *, struct nfsnode *); 252 253 /* flags for nfs_loadattrcache and friends */ 254 #define NAC_NOTRUNC 1 /* don't truncate file size */ 255 256 void nfs_clearcommit(struct mount *); 257 void nfs_merge_commit_ranges(struct vnode *); 258 int nfs_in_committed_range(struct vnode *, off_t, off_t); 259 int nfs_in_tobecommitted_range(struct vnode *, off_t, off_t); 260 void nfs_add_committed_range(struct vnode *, off_t, off_t); 261 void nfs_del_committed_range(struct vnode *, off_t, off_t); 262 void nfs_add_tobecommitted_range(struct vnode *, off_t, off_t); 263 void nfs_del_tobecommitted_range(struct vnode *, off_t, off_t); 264 265 int nfsrv_errmap(struct nfsrv_descript *, int); 266 void nfs_cookieheuristic(struct vnode *, int *, struct lwp *, kauth_cred_t); 267 268 u_int32_t nfs_getxid(void); 269 void nfs_renewxid(struct nfsreq *); 270 271 int nfsrv_composefh(struct vnode *, nfsrvfh_t *, bool); 272 int nfsrv_comparefh(const nfsrvfh_t *, const nfsrvfh_t *); 273 void nfsrv_copyfh(nfsrvfh_t *, const nfsrvfh_t *); 274 275 /* nfs_syscalls.c */ 276 struct sys_getfh_args; 277 struct sys_nfssvc_args; 278 int sys_getfh(struct lwp *, const struct sys_getfh_args *, register_t *); 279 int sys_nfssvc(struct lwp *, const struct sys_nfssvc_args *, register_t *); 280 int nfssvc_addsock(struct file *, struct mbuf *); 281 int nfssvc_nfsd(struct nfsd_srvargs *, void *, struct lwp *); 282 void nfsrv_zapsock(struct nfssvc_sock *); 283 void nfsrv_slpderef(struct nfssvc_sock *); 284 void nfsrv_init(int); 285 void nfs_iodinit(void); 286 int nfs_set_niothreads(int); 287 int nfs_getauth(struct nfsmount *, struct nfsreq *, kauth_cred_t, char **, 288 int *, char *, int *, NFSKERBKEY_T); 289 int nfs_getnickauth(struct nfsmount *, kauth_cred_t, char **, int *, char *, 290 int); 291 int nfs_savenickauth(struct nfsmount *, kauth_cred_t, int, NFSKERBKEY_T, 292 struct mbuf **, char **, struct mbuf *); 293 294 /* nfs_export.c */ 295 extern struct nfs_public nfs_pub; 296 int mountd_set_exports_list(const struct mountd_exports_list *, struct lwp *); 297 int netexport_check(const fsid_t *, struct mbuf *, struct mount **, int *, 298 kauth_cred_t *); 299 void netexport_rdlock(void); 300 void netexport_rdunlock(void); 301 #ifdef COMPAT_30 302 int nfs_update_exports_30(struct mount *, const char *, 303 struct mnt_export_args30 *, struct lwp *); 304 #endif 305 #endif /* _KERNEL */
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