| | 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 | 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_ */ |
projects / apple / xnu.git / blame_incremental