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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 uint32_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 uint64_t nfsa_maxread; /* maximum read size */
88 uint64_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 *, uint32_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 int 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 uint32_t nm_acregmin; /* reg file min attr cache timeout */
288 uint32_t nm_acregmax; /* reg file max attr cache timeout */
289 uint32_t nm_acdirmin; /* dir min attr cache timeout */
290 uint32_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 uint8_t nm_lockmode; /* advisory file locking mode */
299 /* mount info */
300 uint32_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 uint32_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_MOUNT_THREAD 0x00000040 /* nfs_mount_connect_thread running */
374 #define NFSSTA_MONITOR_SCAN 0x00000080 /* scan of monitored nodes in progress */
375 #define NFSSTA_UNMOUNTING 0x00000100 /* an unmount attempt is in progress */
376 #define NFSSTA_NEEDSECINFO 0x00000200 /* need to fetch security info */
377 #define NFSSTA_CLIENTID 0x00000400 /* short client ID is valid */
378 #define NFSSTA_BIGCOOKIES 0x00000800 /* have seen >32bit dir cookies */
379 #define NFSSTA_JUKEBOXTIMEO 0x00001000 /* experienced a jukebox timeout */
380 #define NFSSTA_LOCKTIMEO 0x00002000 /* experienced a lock req timeout */
381 #define NFSSTA_MOUNTED 0x00004000 /* completely mounted */
382 #define NFSSTA_LOCKSWORK 0x00008000 /* lock ops have worked. */
383 #define NFSSTA_TIMEO 0x00010000 /* experienced a timeout. */
384 #define NFSSTA_FORCE 0x00020000 /* doing a forced unmount. */
385 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
386 #define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
387 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
388 #define NFSSTA_WANTRQUOTA 0x00200000 /* Want rquota address */
389 #define NFSSTA_RQUOTAINPROG 0x00400000 /* Getting rquota address */
390 #define NFSSTA_SENDING 0x00800000 /* Sending on socket */
391 #define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */
392 #define NFSSTA_WANTSND 0x02000000 /* Want above */
393 #define NFSSTA_DEAD 0x04000000 /* mount is dead */
394 #define NFSSTA_RECOVER 0x08000000 /* mount state needs to be recovered */
395 #define NFSSTA_RECOVER_EXPIRED 0x10000000 /* mount state expired */
396 #define NFSSTA_REVOKE 0x20000000 /* need to scan for revoked nodes */
397 #define NFSSTA_SQUISHY 0x40000000 /* we can ask to be forcibly unmounted */
398 #define NFSSTA_MOUNT_DRAIN 0x80000000 /* mount is draining references */
399
400 /* flags for nm_sockflags */
401 #define NMSOCK_READY 0x0001 /* socket is ready for use */
402 #define NMSOCK_CONNECTING 0x0002 /* socket is being connect()ed */
403 #define NMSOCK_SETUP 0x0004 /* socket/connection is being set up */
404 #define NMSOCK_UNMOUNT 0x0008 /* unmounted, no more socket activity */
405 #define NMSOCK_HASCONNECTED 0x0010 /* socket has connected before */
406 #define NMSOCK_POKE 0x0020 /* socket needs to be poked */
407 #define NMSOCK_DISCONNECTING 0x0080 /* socket is being disconnected */
408
409 /* aliases for version-specific fields */
410 #define nm_ldlink nm_un.v3.ldlink
411 #define nm_sent nm_un.v3.udp_sent
412 #define nm_cwnd nm_un.v3.udp_cwnd
413 #define nm_cwndq nm_un.v3.udp_cwndq
414 #define nm_rqproto nm_un.v3.rqproto
415 #define nm_rqsaddr nm_un.v3.rqsaddr
416 #define nm_rqsaddrstamp nm_un.v3.rqsaddrstamp
417 #define nm_longid nm_un.v4.longid
418 #define nm_clientid nm_un.v4.clientid
419 #define nm_mounttime nm_un.v4.mounttime
420 #define nm_fsid nm_un.v4.fsid
421 #define nm_renew_timer nm_un.v4.renew_timer
422 #define nm_cbid nm_un.v4.cbid
423 #define nm_cblink nm_un.v4.cblink
424 #define nm_cbrefs nm_un.v4.cbrefs
425 #define nm_delegations nm_un.v4.delegations
426 #define nm_dreturnq nm_un.v4.dreturnq
427
428 #if defined(KERNEL)
429 /*
430 * Macros to convert from various things to mount structures.
431 */
432 #define VFSTONFS(mp) ((mp) ? ((struct nfsmount *)vfs_fsprivate(mp)) : NULL)
433 #define VTONMP(vp) VFSTONFS(vnode_mount(vp))
434 #define NFSTONMP(np) VTONMP(NFSTOV(np))
435 #define NFSTOMP(np) (vnode_mount(NFSTOV(np)))
436
437 #endif /* KERNEL */
438
439 #endif /* __APPLE_API_PRIVATE */
440 #endif /* _NFS_NFSMOUNT_H_ */