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1 /*

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 */

29 /*

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 lck_mtx_t timer_lock; /* RENEW timer lock */

318 nfs_fsid fsid; /* NFS file system id */

319 TAILQ_HEAD(, nfsnode) delegations; /* list of nodes with delegations */

320 TAILQ_HEAD(, nfsnode) dreturnq; /* list of nodes with delegations to return */

321 TAILQ_ENTRY(nfsmount) cblink; /* chain of mounts registered for callbacks */

322 uint32_t cbid; /* callback channel identifier */

323 uint32_t cbrefs; /* # callbacks using this mount */

324 } v4;

325 } nm_un;

326 /* common state */

327 TAILQ_HEAD(, nfs_open_owner) nm_open_owners; /* list of open owners */

328 uint32_t nm_stateinuse; /* state in use counter */

329 uint32_t nm_stategenid; /* state generation counter */

330 time_t nm_recover_start; /* recover start time */

331 LIST_HEAD(, nfsnode) nm_monlist; /* list of nodes being monitored */

332 /* async I/O queue */

333 struct nfs_reqqhead nm_resendq; /* async I/O resend queue */

334 struct nfs_reqqhead nm_iodq; /* async I/O request queue */

335 struct nfsiod *nm_niod; /* nfsiod processing this mount */

336 TAILQ_ENTRY(nfsmount) nm_iodlink; /* chain of mounts awaiting nfsiod */

337 int nm_asyncwrites; /* outstanding async I/O writes */

338 /* socket state */

339 uint8_t nm_sofamily; /* (preferred) protocol family of socket */

340 uint8_t nm_sotype; /* (preferred) type of socket */

341 in_port_t nm_nfsport; /* NFS protocol port */

342 in_port_t nm_mountport; /* MOUNT protocol port (v2/v3) */

343 char *nm_nfs_localport; /* Unix domain address (port) for nfs */

344 char *nm_mount_localport; /* Unix domain address (port) for mountd */

345 struct nfs_socket_search *nm_nss; /* current socket search structure */

346 struct nfs_socket *nm_nso; /* current socket */

347 struct sockaddr *nm_saddr; /* Address of server */

348 u_short nm_sockflags; /* socket state flags */

349 time_t nm_deadto_start; /* dead timeout start time */

350 time_t nm_reconnect_start; /* reconnect start time */

351 int nm_tprintf_initial_delay; /* delay first "server down" */

352 int nm_tprintf_delay; /* delay between "server down" */

353 int nm_deadtimeout; /* delay between first "server down" and dead set at mount time */

354 int nm_curdeadtimeout; /* current dead timeout. Adjusted by mount state and mobility */

355 int nm_srtt[4]; /* Timers for RPCs */

356 int nm_sdrtt[4];

357 int nm_timeouts; /* Request timeouts */

358 int nm_jbreqs; /* # R_JBTPRINTFMSG requests */

359 int nm_mounterror; /* status of mount connect */

360 TAILQ_ENTRY(nfsmount) nm_pokeq; /* mount poke queue chain */

361 thread_t nm_sockthd; /* socket thread for this mount */

362 };

363

364 /* macro for checking current mount flags */

365 #define NMFLAG(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_flags, NFS_MFLAG_ ## F)

366 /* macros for checking (original) mount attributes/flags */

367 #define NM_OMATTR_GIVEN(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_mattrs, NFS_MATTR_ ## F)

368 #define NM_OMFLAG_GIVEN(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_mflags_mask, NFS_MFLAG_ ## F)

369 #define NM_OMFLAG(NMP, F) NFS_BITMAP_ISSET((NMP)->nm_mflags, NFS_MFLAG_ ## F)

370

371 /*

372 * NFS mount state flags (nm_state)

373 */

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_timer_lock nm_un.v4.timer_lock

424 #define nm_cbid nm_un.v4.cbid

425 #define nm_cblink nm_un.v4.cblink

426 #define nm_cbrefs nm_un.v4.cbrefs

427 #define nm_delegations nm_un.v4.delegations

428 #define nm_dreturnq nm_un.v4.dreturnq

429

430 #if defined(KERNEL)

431 /*

432 * Macros to convert from various things to mount structures.

433 */

434 #define VFSTONFS(mp) ((mp) ? ((struct nfsmount *)vfs_fsprivate(mp)) : NULL)

435 #define VTONMP(vp) VFSTONFS(vnode_mount(vp))

436 #define NFSTONMP(np) VTONMP(NFSTOV(np))

437 #define NFSTOMP(np) (vnode_mount(NFSTOV(np)))

438

439 #endif /* KERNEL */

440

441 #endif /* __APPLE_API_PRIVATE */

442 #endif /* _NFS_NFSMOUNT_H_ */