1 /* 2 * Copyright (c) 2000-2018 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29 /* 30 * Copyright (c) 1989, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * This code is derived from software contributed to Berkeley by 34 * Rick Macklem at The University of Guelph. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)nfsmount.h 8.3 (Berkeley) 3/30/95 65 * FreeBSD-Id: nfsmount.h,v 1.13 1997/08/16 19:16:05 wollman Exp $ 66 */ 67 68 69 #ifndef _NFS_NFSMOUNT_H_ 70 #define _NFS_NFSMOUNT_H_ 71 72 #include <sys/appleapiopts.h> 73 74 #ifdef __APPLE_API_PRIVATE 75 76 /* 77 * NFS mount file system attributes 78 */ 79 struct nfs_fsattr { 80 uint32_t nfsa_flags; /* file system flags */ 81 uint32_t nfsa_lease; /* lease time in seconds */ 82 int32_t nfsa_maxname; /* maximum filename size */ 83 uint32_t nfsa_maxlink; /* maximum # links */ 84 uint32_t nfsa_bsize; /* block size */ 85 uint32_t nfsa_pad; /* UNUSED */ 86 uint64_t nfsa_maxfilesize; /* maximum file size */ 87 uint32_t nfsa_maxread; /* maximum read size */ 88 uint32_t nfsa_maxwrite; /* maximum write size */ 89 uint64_t nfsa_files_avail; /* file slots available */ 90 uint64_t nfsa_files_free; /* file slots free */ 91 uint64_t nfsa_files_total; /* file slots total */ 92 uint64_t nfsa_space_avail; /* disk space available */ 93 uint64_t nfsa_space_free; /* disk space free */ 94 uint64_t nfsa_space_total; /* disk space total */ 95 uint32_t nfsa_supp_attr[NFS_ATTR_BITMAP_LEN]; /* attributes supported on this file system */ 96 uint32_t nfsa_bitmap[NFS_ATTR_BITMAP_LEN]; /* valid attributes */ 97 }; 98 #define NFS_FSFLAG_LINK 0x00000001 99 #define NFS_FSFLAG_SYMLINK 0x00000002 100 #define NFS_FSFLAG_UNIQUE_FH 0x00000004 101 #define NFS_FSFLAG_ACL 0x00000008 102 #define NFS_FSFLAG_SET_TIME 0x00000010 103 #define NFS_FSFLAG_CASE_INSENSITIVE 0x00000020 104 #define NFS_FSFLAG_CASE_PRESERVING 0x00000040 105 #define NFS_FSFLAG_CHOWN_RESTRICTED 0x00000080 106 #define NFS_FSFLAG_HOMOGENEOUS 0x00000100 107 #define NFS_FSFLAG_NO_TRUNC 0x00000200 108 #define NFS_FSFLAG_NAMED_ATTR 0x00000400 109 #define NFS_FSFLAG_FHTYPE_MASK 0xFF000000 110 #define NFS_FSFLAG_FHTYPE_SHIFT 24 111 112 /* 113 * NFS file system location structures 114 */ 115 struct nfs_fs_server { 116 char * ns_name; /* name of server */ 117 char ** ns_addresses; /* array of addresses for server */ 118 uint32_t ns_addrcount; /* # of addresses */ 119 }; 120 struct nfs_fs_path { 121 char ** np_components; /* array of component pointers */ 122 uint32_t np_compcount; /* # components in path */ 123 }; 124 struct nfs_fs_location { 125 struct nfs_fs_server ** nl_servers; /* array of server pointers */ 126 struct nfs_fs_path nl_path; /* file system path */ 127 uint32_t nl_servcount; /* # of servers */ 128 }; 129 130 struct nfs_location_index { 131 uint8_t nli_flags; /* misc flags */ 132 uint8_t nli_loc; /* location index */ 133 uint8_t nli_serv; /* server index */ 134 uint8_t nli_addr; /* address index */ 135 }; 136 #define NLI_VALID 0x01 /* index is valid */ 137 138 struct nfs_fs_locations { 139 struct nfs_fs_path nl_root; /* current server's root file system path */ 140 uint32_t nl_numlocs; /* # of locations */ 141 struct nfs_location_index nl_current; /* index of current location/server/address */ 142 struct nfs_fs_location **nl_locations; /* array of fs locations */ 143 }; 144 145 /* 146 * RPC record marker parsing state 147 */ 148 struct nfs_rpc_record_state { 149 mbuf_t nrrs_m; /* mbufs for current record */ 150 mbuf_t nrrs_mlast; 151 uint16_t nrrs_lastfrag; /* last fragment of record */ 152 uint16_t nrrs_markerleft; /* marker bytes remaining */ 153 uint32_t nrrs_fragleft; /* fragment bytes remaining */ 154 uint32_t nrrs_reclen; /* length of RPC record */ 155 }; 156 157 /* 158 * NFS socket structures 159 */ 160 struct nfs_socket { 161 lck_mtx_t nso_lock; /* nfs socket lock */ 162 TAILQ_ENTRY(nfs_socket) nso_link; /* list of sockets */ 163 struct sockaddr * nso_saddr; /* socket address */ 164 struct sockaddr * nso_saddr2; /* additional socket address */ 165 void * nso_wake; /* address to wake up */ 166 time_t nso_timestamp; 167 time_t nso_reqtimestamp; /* last request sent */ 168 socket_t nso_so; /* socket */ 169 uint8_t nso_sotype; /* Type of socket */ 170 uint16_t nso_flags; /* NSO_* flags */ 171 struct nfs_location_index nso_location; /* location index */ 172 uint32_t nso_protocol; /* RPC protocol */ 173 uint32_t nso_version; /* RPC protocol version */ 174 uint32_t nso_pingxid; /* RPC XID of NULL ping request */ 175 uint32_t nso_nfs_min_vers; /* minimum nfs version for connecting sockets */ 176 uint32_t nso_nfs_max_vers; /* maximum nfs version for connecting sockets */ 177 int nso_error; /* saved error/status */ 178 struct nfs_rpc_record_state nso_rrs; /* RPC record parsing state (TCP) */ 179 }; 180 181 TAILQ_HEAD(nfssocketlist, nfs_socket); 182 183 /* nso_flags */ 184 #define NSO_UPCALL 0x0001 /* socket upcall in progress */ 185 #define NSO_DEAD 0x0002 /* socket is dead */ 186 #define NSO_CONNECTING 0x0004 /* socket is being connected */ 187 #define NSO_CONNECTED 0x0008 /* socket connection complete */ 188 #define NSO_PINGING 0x0010 /* socket is being tested */ 189 #define NSO_VERIFIED 0x0020 /* socket appears functional */ 190 #define NSO_DISCONNECTING 0x0040 /* socket is being disconnected */ 191 192 /* NFS connect socket search state */ 193 struct nfs_socket_search { 194 struct nfs_location_index nss_startloc; /* starting location index */ 195 struct nfs_location_index nss_nextloc; /* next location index */ 196 struct nfssocketlist nss_socklist; /* list of active sockets */ 197 time_t nss_timestamp; /* search start time */ 198 time_t nss_last; /* timestamp of last socket */ 199 struct nfs_socket * nss_sock; /* found socket */ 200 uint8_t nss_sotype; /* TCP/UDP */ 201 uint8_t nss_sockcnt; /* # of active sockets */ 202 in_port_t nss_port; /* port # to connect to */ 203 uint32_t nss_protocol; /* RPC protocol */ 204 uint32_t nss_version; /* RPC protocol version */ 205 uint32_t nss_flags; /* (see below) */ 206 int nss_addrcnt; /* Number addresses to try or left */ 207 int nss_timeo; /* how long we are willing to wait */ 208 int nss_error; /* best error we've gotten so far */ 209 }; 210 /* nss_flags */ 211 #define NSS_VERBOSE 0x00000001 /* OK to log info about socket search */ 212 #define NSS_WARNED 0x00000002 /* logged warning about socket search taking a while */ 213 #define NSS_FALLBACK2PMAP 0x00000004 /* Try V4 on NFS_PORT first, if that fails fall back to portmapper */ 214 215 /* 216 * function table for calling version-specific NFS functions 217 */ 218 struct nfs_funcs { 219 int (*nf_mount)(struct nfsmount *, vfs_context_t, nfsnode_t *); 220 int (*nf_update_statfs)(struct nfsmount *, vfs_context_t); 221 int (*nf_getquota)(struct nfsmount *, vfs_context_t, uid_t, int, struct dqblk *); 222 int (*nf_access_rpc)(nfsnode_t, u_int32_t *, int, vfs_context_t); 223 int (*nf_getattr_rpc)(nfsnode_t, mount_t, u_char *, size_t, int, vfs_context_t, struct nfs_vattr *, u_int64_t *); 224 int (*nf_setattr_rpc)(nfsnode_t, struct vnode_attr *, vfs_context_t); 225 int (*nf_read_rpc_async)(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); 226 int (*nf_read_rpc_async_finish)(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *); 227 int (*nf_readlink_rpc)(nfsnode_t, char *, size_t *, vfs_context_t); 228 int (*nf_write_rpc_async)(nfsnode_t, uio_t, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); 229 int (*nf_write_rpc_async_finish)(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); 230 int (*nf_commit_rpc)(nfsnode_t, uint64_t, uint64_t, kauth_cred_t, uint64_t); 231 int (*nf_lookup_rpc_async)(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); 232 int (*nf_lookup_rpc_async_finish)(nfsnode_t, char *, int, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); 233 int (*nf_remove_rpc)(nfsnode_t, char *, int, thread_t, kauth_cred_t); 234 int (*nf_rename_rpc)(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); 235 int (*nf_setlock_rpc)(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); 236 int (*nf_unlock_rpc)(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, thread_t, kauth_cred_t); 237 int (*nf_getlock_rpc)(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); 238 }; 239 240 /* 241 * The long form of the NFSv4 client ID. 242 */ 243 struct nfs_client_id { 244 TAILQ_ENTRY(nfs_client_id) nci_link; /* list of client IDs */ 245 char *nci_id; /* client id buffer */ 246 long nci_idlen; /* length of client id buffer */ 247 }; 248 TAILQ_HEAD(nfsclientidlist, nfs_client_id); 249 extern struct nfsclientidlist nfsclientids; 250 251 /* 252 * Mount structure. 253 * One allocated on every NFS mount. 254 * Holds NFS specific information for mount. 255 */ 256 struct nfsmount { 257 lck_mtx_t nm_lock; /* nfs mount lock */ 258 char * nm_args; /* NFS mount args (XDR) */ 259 uint32_t nm_mattrs[NFS_MATTR_BITMAP_LEN]; /* mount attributes in mount args */ 260 uint32_t nm_mflags_mask[NFS_MFLAG_BITMAP_LEN]; /* mount flags mask in mount args */ 261 uint32_t nm_mflags[NFS_MFLAG_BITMAP_LEN]; /* mount flags in mount args */ 262 uint32_t nm_flags[NFS_MFLAG_BITMAP_LEN]; /* current mount flags (soft, intr, etc...) */ 263 char * nm_realm; /* Kerberos realm to use */ 264 char * nm_principal; /* GSS principal to use on initial mount */ 265 char * nm_sprinc; /* Kerberos principal of the server */ 266 int nm_ref; /* Reference count on this mount */ 267 int nm_state; /* Internal state flags */ 268 int nm_vers; /* NFS version */ 269 uint32_t nm_minor_vers; /* minor version of above */ 270 uint32_t nm_min_vers; /* minimum packed version to try */ 271 uint32_t nm_max_vers; /* maximum packed version to try */ 272 const struct nfs_funcs *nm_funcs;/* version-specific functions */ 273 kauth_cred_t nm_mcred; /* credential used for the mount */ 274 mount_t nm_mountp; /* VFS structure for this filesystem */ 275 nfsnode_t nm_dnp; /* root directory nfsnode pointer */ 276 struct nfs_fs_locations nm_locations; /* file system locations */ 277 uint32_t nm_numgrps; /* Max. size of groupslist */ 278 TAILQ_HEAD(, nfs_gss_clnt_ctx) nm_gsscl; /* GSS user contexts */ 279 uint32_t nm_ncentries; /* GSS expired negative cache entries */ 280 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ 281 int nm_retry; /* Max retries */ 282 uint32_t nm_rsize; /* Max size of read rpc */ 283 uint32_t nm_wsize; /* Max size of write rpc */ 284 uint32_t nm_biosize; /* buffer I/O size */ 285 uint32_t nm_readdirsize; /* Size of a readdir rpc */ 286 uint32_t nm_readahead; /* Num. of blocks to readahead */ 287 time_t nm_acregmin; /* reg file min attr cache timeout */ 288 time_t nm_acregmax; /* reg file max attr cache timeout */ 289 time_t nm_acdirmin; /* dir min attr cache timeout */ 290 time_t nm_acdirmax; /* dir max attr cache timeout */ 291 uint32_t nm_auth; /* security mechanism flavor being used */ 292 uint32_t nm_writers; /* Number of nodes open for writing */ 293 uint32_t nm_mappers; /* Number of nodes that have mmapped */ 294 struct nfs_sec nm_sec; /* acceptable security mechanism flavors */ 295 struct nfs_sec nm_servsec; /* server's acceptable security mechanism flavors */ 296 struct nfs_etype nm_etype; /* If using kerberos, the support session key encryption types */ 297 fhandle_t *nm_fh; /* initial file handle */ 298 uint32_t nm_lockmode; /* advisory file locking mode */ 299 /* mount info */ 300 time_t nm_fsattrstamp; /* timestamp for fs attrs */ 301 struct nfs_fsattr nm_fsattr; /* file system attributes */ 302 uint64_t nm_verf; /* v3/v4 write verifier */ 303 union { 304 struct { /* v2/v3 specific fields */ 305 TAILQ_ENTRY(nfsmount) ldlink; /* chain of mounts registered for lockd use */ 306 int udp_sent; /* UDP request send count */ 307 int udp_cwnd; /* UDP request congestion window */ 308 struct nfs_reqqhead udp_cwndq; /* requests waiting on cwnd */ 309 struct sockaddr *rqsaddr;/* cached rquota socket address */ 310 uint64_t rqsaddrstamp; /* timestamp of rquota socket address */ 311 } v3; 312 struct { /* v4 specific fields */ 313 struct nfs_client_id *longid; /* client ID, long form */ 314 uint64_t mounttime; /* used as client ID verifier */ 315 uint64_t clientid; /* client ID, short form */ 316 thread_call_t renew_timer; /* RENEW timer call */ 317 nfs_fsid fsid; /* NFS file system id */ 318 TAILQ_HEAD(, nfsnode) delegations; /* list of nodes with delegations */ 319 TAILQ_HEAD(, nfsnode) dreturnq; /* list of nodes with delegations to return */ 320 TAILQ_ENTRY(nfsmount) cblink; /* chain of mounts registered for callbacks */ 321 uint32_t cbid; /* callback channel identifier */ 322 uint32_t cbrefs; /* # callbacks using this mount */ 323 } v4; 324 } nm_un; 325 /* common state */ 326 TAILQ_HEAD(, nfs_open_owner) nm_open_owners; /* list of open owners */ 327 uint32_t nm_stateinuse; /* state in use counter */ 328 uint32_t nm_stategenid; /* state generation counter */ 329 time_t nm_recover_start; /* recover start time */ 330 LIST_HEAD(, nfsnode) nm_monlist; /* list of nodes being monitored */ 331 /* async I/O queue */ 332 struct nfs_reqqhead nm_resendq; /* async I/O resend queue */ 333 struct nfs_reqqhead nm_iodq; /* async I/O request queue */ 334 struct nfsiod *nm_niod; /* nfsiod processing this mount */ 335 TAILQ_ENTRY(nfsmount) nm_iodlink; /* chain of mounts awaiting nfsiod */ 336 int nm_asyncwrites; /* outstanding async I/O writes */ 337 /* socket state */ 338 uint8_t nm_sofamily; /* (preferred) protocol family of socket */ 339 uint8_t nm_sotype; /* (preferred) type of socket */ 340 in_port_t nm_nfsport; /* NFS protocol port */ 341 in_port_t nm_mountport; /* MOUNT protocol port (v2/v3) */ 342 char *nm_nfs_localport; /* Unix domain address (port) for nfs */ 343 char *nm_mount_localport; /* Unix domain address (port) for mountd */ 344 struct nfs_socket_search *nm_nss; /* current socket search structure */ 345 struct nfs_socket *nm_nso; /* current socket */ 346 struct sockaddr *nm_saddr; /* Address of server */ 347 u_short nm_sockflags; /* socket state flags */ 348 time_t nm_deadto_start; /* dead timeout start time */ 349 time_t nm_reconnect_start; /* reconnect start time */ 350 int nm_tprintf_initial_delay; /* delay first "server down" */ 351 int nm_tprintf_delay; /* delay between "server down" */ 352 int nm_deadtimeout; /* delay between first "server down" and dead set at mount time */ 353 int nm_curdeadtimeout; /* current dead timeout. Adjusted by mount state and mobility */ 354 int nm_srtt[4]; /* Timers for RPCs */ 355 int nm_sdrtt[4]; 356 int nm_timeouts; /* Request timeouts */ 357 int nm_jbreqs; /* # R_JBTPRINTFMSG requests */ 358 int nm_mounterror; /* status of mount connect */ 359 TAILQ_ENTRY(nfsmount) nm_pokeq; /* mount poke queue chain */ 360 thread_t nm_sockthd; /* socket thread for this mount */ 361 }; 362 363 /* macro for checking current mount flags */ 364 #define NMFLAG(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_flags, NFS_MFLAG_ ## F) 365 /* macros for checking (original) mount attributes/flags */ 366 #define NM_OMATTR_GIVEN(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_mattrs, NFS_MATTR_ ## F) 367 #define NM_OMFLAG_GIVEN(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_mflags_mask, NFS_MFLAG_ ## F) 368 #define NM_OMFLAG(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_mflags, NFS_MFLAG_ ## F) 369 370 /* 371 * NFS mount state flags (nm_state) 372 */ 373 #define NFSSTA_SPLIT_OPEN_OWNER 0x00000020 /* open-owner is based on uid and pid */ 374 #define NFSSTA_MOUNT_THREAD 0x00000040 /* nfs_mount_connect_thread running */ 375 #define NFSSTA_MONITOR_SCAN 0x00000080 /* scan of monitored nodes in progress */ 376 #define NFSSTA_UNMOUNTING 0x00000100 /* an unmount attempt is in progress */ 377 #define NFSSTA_NEEDSECINFO 0x00000200 /* need to fetch security info */ 378 #define NFSSTA_CLIENTID 0x00000400 /* short client ID is valid */ 379 #define NFSSTA_BIGCOOKIES 0x00000800 /* have seen >32bit dir cookies */ 380 #define NFSSTA_JUKEBOXTIMEO 0x00001000 /* experienced a jukebox timeout */ 381 #define NFSSTA_LOCKTIMEO 0x00002000 /* experienced a lock req timeout */ 382 #define NFSSTA_MOUNTED 0x00004000 /* completely mounted */ 383 #define NFSSTA_LOCKSWORK 0x00008000 /* lock ops have worked. */ 384 #define NFSSTA_TIMEO 0x00010000 /* experienced a timeout. */ 385 #define NFSSTA_FORCE 0x00020000 /* doing a forced unmount. */ 386 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ 387 #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ 388 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ 389 #define NFSSTA_WANTRQUOTA 0x00200000 /* Want rquota address */ 390 #define NFSSTA_RQUOTAINPROG 0x00400000 /* Getting rquota address */ 391 #define NFSSTA_SENDING 0x00800000 /* Sending on socket */ 392 #define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ 393 #define NFSSTA_WANTSND 0x02000000 /* Want above */ 394 #define NFSSTA_DEAD 0x04000000 /* mount is dead */ 395 #define NFSSTA_RECOVER 0x08000000 /* mount state needs to be recovered */ 396 #define NFSSTA_RECOVER_EXPIRED 0x10000000 /* mount state expired */ 397 #define NFSSTA_REVOKE 0x20000000 /* need to scan for revoked nodes */ 398 #define NFSSTA_SQUISHY 0x40000000 /* we can ask to be forcibly unmounted */ 399 #define NFSSTA_MOUNT_DRAIN 0x80000000 /* mount is draining references */ 400 401 /* flags for nm_sockflags */ 402 #define NMSOCK_READY 0x0001 /* socket is ready for use */ 403 #define NMSOCK_CONNECTING 0x0002 /* socket is being connect()ed */ 404 #define NMSOCK_SETUP 0x0004 /* socket/connection is being set up */ 405 #define NMSOCK_UNMOUNT 0x0008 /* unmounted, no more socket activity */ 406 #define NMSOCK_HASCONNECTED 0x0010 /* socket has connected before */ 407 #define NMSOCK_POKE 0x0020 /* socket needs to be poked */ 408 #define NMSOCK_DISCONNECTING 0x0080 /* socket is being disconnected */ 409 410 /* aliases for version-specific fields */ 411 #define nm_ldlink nm_un.v3.ldlink 412 #define nm_sent nm_un.v3.udp_sent 413 #define nm_cwnd nm_un.v3.udp_cwnd 414 #define nm_cwndq nm_un.v3.udp_cwndq 415 #define nm_rqproto nm_un.v3.rqproto 416 #define nm_rqsaddr nm_un.v3.rqsaddr 417 #define nm_rqsaddrstamp nm_un.v3.rqsaddrstamp 418 #define nm_longid nm_un.v4.longid 419 #define nm_clientid nm_un.v4.clientid 420 #define nm_mounttime nm_un.v4.mounttime 421 #define nm_fsid nm_un.v4.fsid 422 #define nm_renew_timer nm_un.v4.renew_timer 423 #define nm_cbid nm_un.v4.cbid 424 #define nm_cblink nm_un.v4.cblink 425 #define nm_cbrefs nm_un.v4.cbrefs 426 #define nm_delegations nm_un.v4.delegations 427 #define nm_dreturnq nm_un.v4.dreturnq 428 429 #if defined(KERNEL) 430 /* 431 * Macros to convert from various things to mount structures. 432 */ 433 #define VFSTONFS(mp) ((mp) ? ((struct nfsmount *)vfs_fsprivate(mp)) : NULL) 434 #define VTONMP(vp) VFSTONFS(vnode_mount(vp)) 435 #define NFSTONMP(np) VTONMP(NFSTOV(np)) 436 #define NFSTOMP(np) (vnode_mount(NFSTOV(np))) 437 438 #endif /* KERNEL */ 439 440 #endif /* __APPLE_API_PRIVATE */ 441 #endif /* _NFS_NFSMOUNT_H_ */ 442