/* * Copyright (c) 2000-2007 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* * Copyright (c) 1989, 1993, 1995 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Rick Macklem at The University of Guelph. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)nfs.h 8.4 (Berkeley) 5/1/95 * FreeBSD-Id: nfs.h,v 1.32 1997/10/12 20:25:38 phk Exp $ */ #ifndef _NFS_NFS_H_ #define _NFS_NFS_H_ #include #include #ifdef __APPLE_API_PRIVATE /* * Tunable constants for nfs */ #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ __private_extern__ int nfs_ticks; #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ #define NFS_MAXREXMIT 100 /* Stop counting after this many */ #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ #define NFS_TRYLATERDEL 4 /* Initial try later delay (sec) */ #define NFS_MAXGRPS 16 /* Max. size of groups list */ #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ #define NFS_MAXATTRTIMO 60 #define NFS_MINDIRATTRTIMO 5 /* directory attribute cache timeout in sec */ #define NFS_MAXDIRATTRTIMO 60 #define NFS_IOSIZE (1024 * 1024) /* suggested I/O size */ #define NFS_RWSIZE 32768 /* Def. read/write data size <= 32K */ #define NFS_WSIZE NFS_RWSIZE /* Def. write data size <= 32K */ #define NFS_RSIZE NFS_RWSIZE /* Def. read data size <= 32K */ #define NFS_DGRAM_WSIZE 8192 /* UDP Def. write data size <= 8K */ #define NFS_DGRAM_RSIZE 8192 /* UDP Def. read data size <= 8K */ #define NFS_READDIRSIZE 8192 /* Def. readdir size */ #define NFS_DEFRAHEAD 16 /* Def. read ahead # blocks */ #define NFS_MAXRAHEAD 128 /* Max. read ahead # blocks */ #define NFS_DEFMAXASYNCWRITES 128 /* Def. max # concurrent async write RPCs */ #define NFS_DEFASYNCTHREAD 16 /* Def. # nfsiod threads */ #define NFS_MAXASYNCTHREAD 64 /* max # nfsiod threads */ #define NFS_ASYNCTHREADMAXIDLE 60 /* Seconds before idle nfsiods are reaped */ #define NFS_DEFSTATFSRATELIMIT 10 /* Def. max # statfs RPCs per second */ #define NFS_REQUESTDELAY 10 /* ms interval to check request queue */ #define NFSRV_DEADSOCKDELAY 5 /* Seconds before dead sockets are reaped */ #define NFSRV_MAXWGATHERDELAY 100 /* Max. write gather delay (msec) */ #ifndef NFSRV_WGATHERDELAY #define NFSRV_WGATHERDELAY 1 /* Default write gather delay (msec) */ #endif #define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ #if defined(KERNEL) && !defined(DIRBLKSIZ) #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ /* can't be larger than NFS_FABLKSIZE */ #endif /* default values for unresponsive mount timeouts */ #define NFS_TPRINTF_INITIAL_DELAY 12 #define NFS_TPRINTF_DELAY 30 /* * Oddballs */ #define NFS_CMPFH(n, f, s) \ ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) #define NFS_SRVMAXDATA(n) \ (((n)->nd_vers == NFS_VER3) ? (((n)->nd_nam2) ? \ NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) /* * The IO_METASYNC flag should be implemented for local file systems. * (Until then, it is nothin at all.) */ #ifndef IO_METASYNC #define IO_METASYNC 0 #endif /* * Expected allocation sizes for major data structures. If the actual size * of the structure exceeds these sizes, then malloc() will be allocating * almost twice the memory required. This is used in nfs_init() to warn * the sysadmin that the size of a structure should be reduced. * (These sizes are always a power of 2. If the kernel malloc() changes * to one that does not allocate space in powers of 2 size, then this all * becomes bunk!). * Note that some of these structures come out of there own nfs zones. */ #define NFS_NODEALLOC 512 #define NFS_MNTALLOC 512 #define NFS_SVCALLOC 256 /* * Arguments to mount NFS */ #define NFS_ARGSVERSION 5 /* change when nfs_args changes */ struct nfs_args { int version; /* args structure version number */ struct sockaddr *addr; /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ u_char *fh; /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int leaseterm; /* obsolete: Term (sec) of lease */ int deadthresh; /* obsolete: Retrans threshold */ char *hostname; /* server's name */ /* NFS_ARGSVERSION 3 ends here */ int acregmin; /* reg file min attr cache timeout */ int acregmax; /* reg file max attr cache timeout */ int acdirmin; /* dir min attr cache timeout */ int acdirmax; /* dir max attr cache timeout */ /* NFS_ARGSVERSION 4 ends here */ uint32_t auth; /* security mechanism flavor */ }; struct nfs_args4 { int version; /* args structure version number */ struct sockaddr *addr; /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ u_char *fh; /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int leaseterm; /* obsolete: Term (sec) of lease */ int deadthresh; /* obsolete: Retrans threshold */ char *hostname; /* server's name */ /* NFS_ARGSVERSION 3 ends here */ int acregmin; /* reg file min attr cache timeout */ int acregmax; /* reg file max attr cache timeout */ int acdirmin; /* dir min attr cache timeout */ int acdirmax; /* dir max attr cache timeout */ }; struct nfs_args3 { int version; /* args structure version number */ struct sockaddr *addr; /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ u_char *fh; /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int leaseterm; /* obsolete: Term (sec) of lease */ int deadthresh; /* obsolete: Retrans threshold */ char *hostname; /* server's name */ }; #ifdef KERNEL /* LP64 version of nfs_args. all pointers and longs * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with nfs_args */ struct user_nfs_args { int version; /* args structure version number */ user_addr_t addr __attribute((aligned(8))); /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int leaseterm; /* obsolete: Term (sec) of lease */ int deadthresh; /* obsolete: Retrans threshold */ user_addr_t hostname __attribute((aligned(8))); /* server's name */ /* NFS_ARGSVERSION 3 ends here */ int acregmin; /* reg file min attr cache timeout */ int acregmax; /* reg file max attr cache timeout */ int acdirmin; /* dir min attr cache timeout */ int acdirmax; /* dir max attr cache timeout */ /* NFS_ARGSVERSION 4 ends here */ uint32_t auth; /* security mechanism flavor */ }; struct user_nfs_args4 { int version; /* args structure version number */ user_addr_t addr __attribute((aligned(8))); /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int leaseterm; /* obsolete: Term (sec) of lease */ int deadthresh; /* obsolete: Retrans threshold */ user_addr_t hostname __attribute((aligned(8))); /* server's name */ /* NFS_ARGSVERSION 3 ends here */ int acregmin; /* reg file min attr cache timeout */ int acregmax; /* reg file max attr cache timeout */ int acdirmin; /* dir min attr cache timeout */ int acdirmax; /* dir max attr cache timeout */ }; struct user_nfs_args3 { int version; /* args structure version number */ user_addr_t addr __attribute((aligned(8))); /* file server address */ int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ int fhsize; /* Size, in bytes, of fh */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int readdirsize; /* readdir size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int maxgrouplist; /* Max. size of group list */ int readahead; /* # of blocks to readahead */ int leaseterm; /* obsolete: Term (sec) of lease */ int deadthresh; /* obsolete: Retrans threshold */ user_addr_t hostname __attribute((aligned(8))); /* server's name */ }; #endif // KERNEL /* * NFS mount option flags */ #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ #define NFSMNT_WSIZE 0x00000002 /* set write size */ #define NFSMNT_RSIZE 0x00000004 /* set read size */ #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ #define NFSMNT_NONEGNAMECACHE 0x00000100 /* Don't do negative name caching */ #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ #define NFSMNT_NFSV4 0x00000400 /* Use NFS Version 4 protocol */ #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ // #define NFSMNT_UNUSED 0x00001000 /* unused */ #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ // #define NFSMNT_UNUSED 0x00004000 /* unused */ #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ #define NFSMNT_NOLOCKS 0x00040000 /* don't support file locking */ #define NFSMNT_LOCALLOCKS 0x00080000 /* do file locking locally on client */ #define NFSMNT_ACREGMIN 0x00100000 /* reg min attr cache timeout */ #define NFSMNT_ACREGMAX 0x00200000 /* reg max attr cache timeout */ #define NFSMNT_ACDIRMIN 0x00400000 /* dir min attr cache timeout */ #define NFSMNT_ACDIRMAX 0x00800000 /* dir max attr cache timeout */ #define NFSMNT_SECFLAVOR 0x01000000 /* Use security flavor */ #define NFSMNT_SECGIVEN 0x02000000 /* A sec= mount option was given */ /* * Structures for the nfssvc(2) syscall. Not that anyone but nfsd * should ever try and use it. */ struct nfsd_args { int sock; /* Socket to serve */ caddr_t name; /* Client addr for connection based sockets */ int namelen; /* Length of name */ }; #ifdef KERNEL /* LP64 version of nfsd_args. all pointers and longs * grow when we're dealing with a 64-bit process. * WARNING - keep in sync with nfsd_args */ struct user_nfsd_args { int sock; /* Socket to serve */ user_addr_t name __attribute((aligned(8))); /* Client addr for connection based sockets */ int namelen; /* Length of name */ }; #endif // KERNEL /* * NFS Server File Handle structures */ /* NFS export handle identifies which NFS export */ #define NFS_FH_VERSION 0x4e580000 /* 'NX00' */ struct nfs_exphandle { uint32_t nxh_version; /* data structure version */ uint32_t nxh_fsid; /* File System Export ID */ uint32_t nxh_expid; /* Export ID */ uint16_t nxh_flags; /* export handle flags */ uint8_t nxh_reserved; /* future use */ uint8_t nxh_fidlen; /* length of File ID */ }; /* nxh_flags */ #define NXHF_INVALIDFH 0x0001 /* file handle is invalid */ #define NFS_MAX_FID_SIZE (NFS_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) #define NFSV4_MAX_FID_SIZE (NFSV4_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) #define NFSV3_MAX_FID_SIZE (NFSV3_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) #define NFSV2_MAX_FID_SIZE (NFSV2_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) /* NFS server internal view of fhandle_t */ /* The first sizeof(fhandle_t) bytes must match what goes into fhandle_t. */ /* (fhp is used to allow use of an external buffer) */ struct nfs_filehandle { uint32_t nfh_len; /* total length of file handle */ struct nfs_exphandle nfh_xh; /* export handle */ unsigned char nfh_fid[NFS_MAX_FID_SIZE]; /* File ID */ unsigned char *nfh_fhp; /* pointer to file handle */ }; /* * NFS export data structures */ /* Structure to hold an array of security flavors */ #define NX_MAX_SEC_FLAVORS 5 struct nfs_sec { int count; uint32_t flavors[NX_MAX_SEC_FLAVORS]; }; struct nfs_export_net_args { uint32_t nxna_flags; /* export flags */ struct xucred nxna_cred; /* mapped credential for root/all user */ struct sockaddr_storage nxna_addr; /* net address to which exported */ struct sockaddr_storage nxna_mask; /* mask for net address */ struct nfs_sec nxna_sec; /* security mechanism flavors */ }; struct nfs_export_args { uint32_t nxa_fsid; /* export FS ID */ uint32_t nxa_expid; /* export ID */ char *nxa_fspath; /* export FS path */ char *nxa_exppath; /* export sub-path */ uint32_t nxa_flags; /* export arg flags */ uint32_t nxa_netcount; /* #entries in ex_nets array */ struct nfs_export_net_args *nxa_nets; /* array of net args */ }; #ifdef KERNEL /* LP64 version of export_args */ struct user_nfs_export_args { uint32_t nxa_fsid; /* export FS ID */ uint32_t nxa_expid; /* export ID */ user_addr_t nxa_fspath; /* export FS path */ user_addr_t nxa_exppath; /* export sub-path */ uint32_t nxa_flags; /* export arg flags */ uint32_t nxa_netcount; /* #entries in ex_nets array */ user_addr_t nxa_nets; /* array of net args */ }; #endif /* KERNEL */ /* nfs export arg flags */ #define NXA_DELETE 0x0001 /* delete the specified export(s) */ #define NXA_ADD 0x0002 /* add the specified export(s) */ #define NXA_REPLACE 0x0003 /* delete and add the specified export(s) */ #define NXA_DELETE_ALL 0x0004 /* delete all exports */ #define NXA_OFFLINE 0x0008 /* export is offline */ /* export option flags */ #define NX_READONLY 0x0001 /* exported read-only */ #define NX_DEFAULTEXPORT 0x0002 /* exported to the world */ #define NX_MAPROOT 0x0004 /* map root access to anon credential */ #define NX_MAPALL 0x0008 /* map all access to anon credential */ #define NX_32BITCLIENTS 0x0020 /* restrict directory cookies to 32 bits */ #define NX_OFFLINE 0x0040 /* export is offline */ /* * fs.nfs sysctl(3) export stats record structures */ #define NFS_EXPORT_STAT_REC_VERSION 1 /* export stat record version */ #define NFS_USER_STAT_REC_VERSION 1 /* active user list record version */ /* descriptor describing following records */ struct nfs_export_stat_desc { uint32_t rec_vers; /* version of export stat records */ uint32_t rec_count; /* total record count */ }__attribute__((__packed__)); /* export stat record containing path and stat counters */ struct nfs_export_stat_rec { char path[RPCMNT_PATHLEN + 1]; uint64_t ops; /* Count of NFS Requests received for this export */ uint64_t bytes_read; /* Count of bytes read from this export */ uint64_t bytes_written; /* Count of bytes written to this export */ }__attribute__((__packed__)); /* Active user list stat buffer descriptor */ struct nfs_user_stat_desc { uint32_t rec_vers; /* version of active user stat records */ uint32_t rec_count; /* total record count */ }__attribute__((__packed__)); /* Active user list user stat record format */ struct nfs_user_stat_user_rec { u_char rec_type; uid_t uid; struct sockaddr_storage sock; uint64_t ops; uint64_t bytes_read; uint64_t bytes_written; uint32_t tm_start; uint32_t tm_last; }__attribute__((__packed__)); /* Active user list path record format */ struct nfs_user_stat_path_rec { u_char rec_type; char path[RPCMNT_PATHLEN + 1]; }__attribute__((__packed__)); /* Defines for rec_type field of * nfs_user_stat_rec & nfs_user_stat_rec * data structures */ #define NFS_USER_STAT_USER_REC 0 #define NFS_USER_STAT_PATH_REC 1 #ifdef KERNEL struct nfs_exportfs; struct nfs_export_options { uint32_t nxo_flags; /* export options */ kauth_cred_t nxo_cred; /* mapped credential */ struct nfs_sec nxo_sec; /* security mechanism flavors */ }; /* Network address lookup element and individual export options */ struct nfs_netopt { struct radix_node no_rnodes[2]; /* radix tree glue */ struct nfs_export_options no_opt; /* export options */ }; /* statistic counters for each exported directory * * Since 64-bit atomic operations are not available on 32-bit platforms, * 64-bit counters are implemented using 32-bit integers and 32-bit * atomic operations */ typedef struct nfsstatcount64 { uint32_t hi; uint32_t lo; } nfsstatcount64; struct nfs_export_stat_counters { struct nfsstatcount64 ops; /* Count of NFS Requests received for this export */ struct nfsstatcount64 bytes_read; /* Count of bytes read from this export */ struct nfsstatcount64 bytes_written; /* Count of bytes written to his export */ }__attribute__((__packed__)); /* Macro for updating nfs export stat counters */ #define NFSStatAdd64(PTR, VAL) \ do { \ uint32_t NFSSA_OldValue = \ OSAddAtomic((VAL), (SInt32*)&(PTR)->lo); \ if ((NFSSA_OldValue + (VAL)) < NFSSA_OldValue) \ OSAddAtomic(1, (SInt32*)&(PTR)->hi); \ } while (0) /* Some defines for dealing with active user list stats */ #define NFSRV_USER_STAT_DEF_MAX_NODES 1024 /* default active user list size limit */ #define NFSRV_USER_STAT_DEF_IDLE_SEC 7200 /* default idle seconds (node no longer considered active) */ /* active user list globals */ __private_extern__ uint32_t nfsrv_user_stat_enabled; /* enable/disable active user list */ __private_extern__ uint32_t nfsrv_user_stat_node_count; /* current count of user stat nodes */ __private_extern__ uint32_t nfsrv_user_stat_max_idle_sec; /* idle seconds (node no longer considered active) */ __private_extern__ uint32_t nfsrv_user_stat_max_nodes; /* active user list size limit */ __private_extern__ lck_grp_t *nfsrv_active_user_mutex_group; /* An active user node represented in the kernel */ struct nfs_user_stat_node { TAILQ_ENTRY(nfs_user_stat_node) lru_link; LIST_ENTRY(nfs_user_stat_node) hash_link; uid_t uid; struct sockaddr_storage sock; uint64_t ops; uint64_t bytes_read; uint64_t bytes_written; uint32_t tm_start; uint32_t tm_last; }; /* Hash table for active user nodes */ #define NFS_USER_STAT_HASH_SIZE 16 /* MUST be a power of 2 */ #define NFS_USER_STAT_HASH(userhashtbl, uid) \ &((userhashtbl)[(uid) & (NFS_USER_STAT_HASH_SIZE - 1)]) TAILQ_HEAD(nfs_user_stat_lru_head, nfs_user_stat_node); LIST_HEAD(nfs_user_stat_hashtbl_head, nfs_user_stat_node); /* Active user list data structure */ /* One per exported directory */ struct nfs_active_user_list { struct nfs_user_stat_lru_head user_lru; struct nfs_user_stat_hashtbl_head user_hashtbl[NFS_USER_STAT_HASH_SIZE]; uint32_t node_count; lck_mtx_t user_mutex; }; /* Network export information */ /* one of these for each exported directory */ struct nfs_export { LIST_ENTRY(nfs_export) nx_next; /* FS export list */ LIST_ENTRY(nfs_export) nx_hash; /* export hash chain */ struct nfs_export *nx_parent; /* parent export */ uint32_t nx_id; /* export ID */ uint32_t nx_flags; /* export flags */ struct nfs_exportfs *nx_fs; /* exported file system */ char *nx_path; /* exported file system sub-path */ struct nfs_filehandle nx_fh; /* export root file handle */ struct nfs_export_options nx_defopt; /* default options */ uint32_t nx_expcnt; /* # exports in table */ struct radix_node_head *nx_rtable[AF_MAX+1]; /* table of exports (netopts) */ struct nfs_export_stat_counters nx_stats; /* statistic counters for this exported directory */ struct nfs_active_user_list nx_user_list; /* Active User List for this exported directory */ struct timeval nx_exptime; /* time of export for write verifier */ }; /* NFS exported file system info */ /* one of these for each exported file system */ struct nfs_exportfs { LIST_ENTRY(nfs_exportfs) nxfs_next; /* exported file system list */ uint32_t nxfs_id; /* exported file system ID */ char *nxfs_path; /* exported file system path */ LIST_HEAD(,nfs_export) nxfs_exports; /* list of exports for this file system */ }; __private_extern__ LIST_HEAD(nfsrv_expfs_list, nfs_exportfs) nfsrv_exports; __private_extern__ lck_rw_t nfsrv_export_rwlock; // lock for export data structures #define NFSRVEXPHASHVAL(FSID, EXPID) \ (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID)) #define NFSRVEXPHASH(FSID, EXPID) \ (&nfsrv_export_hashtbl[NFSRVEXPHASHVAL((FSID),(EXPID)) & nfsrv_export_hash]) __private_extern__ LIST_HEAD(nfsrv_export_hashhead, nfs_export) *nfsrv_export_hashtbl; __private_extern__ u_long nfsrv_export_hash; /* * NFS server file mod fsevents */ struct nfsrv_fmod { LIST_ENTRY(nfsrv_fmod) fm_link; vnode_t fm_vp; struct vfs_context fm_context; uint64_t fm_deadline; }; #define NFSRVFMODHASHSZ 128 #define NFSRVFMODHASH(vp) (((u_long) vp) & nfsrv_fmod_hash) __private_extern__ LIST_HEAD(nfsrv_fmod_hashhead, nfsrv_fmod) *nfsrv_fmod_hashtbl; __private_extern__ u_long nfsrv_fmod_hash; __private_extern__ lck_mtx_t *nfsrv_fmod_mutex; __private_extern__ int nfsrv_fmod_pending, nfsrv_fsevents_enabled; __private_extern__ int nfsrv_async, nfsrv_reqcache_size, nfsrv_sock_max_rec_queue_length; __private_extern__ struct nfsstats nfsstats; #endif // KERNEL /* * XXX to allow amd to include nfs.h without nfsproto.h */ #ifdef NFS_NPROCS /* * Stats structure */ struct nfsstats { int attrcache_hits; int attrcache_misses; int lookupcache_hits; int lookupcache_misses; int direofcache_hits; int direofcache_misses; int biocache_reads; int read_bios; int read_physios; int biocache_writes; int write_bios; int write_physios; int biocache_readlinks; int readlink_bios; int biocache_readdirs; int readdir_bios; int rpccnt[NFS_NPROCS]; int rpcretries; int srvrpccnt[NFS_NPROCS]; int srvrpc_errs; int srv_errs; int rpcrequests; int rpctimeouts; int rpcunexpected; int rpcinvalid; int srvcache_inproghits; int srvcache_idemdonehits; int srvcache_nonidemdonehits; int srvcache_misses; int srvvop_writes; int pageins; int pageouts; }; #endif /* * Flags for nfssvc() system call. */ #define NFSSVC_NFSD 0x004 #define NFSSVC_ADDSOCK 0x008 #define NFSSVC_EXPORT 0x200 /* * Flags for nfsclnt() system call. */ #define NFSCLNT_LOCKDANS 0x200 /* * fs.nfs sysctl(3) identifiers */ #define NFS_NFSSTATS 1 /* struct: struct nfsstats */ #define NFS_EXPORTSTATS 3 /* gets exported directory stats */ #define NFS_USERSTATS 4 /* gets exported directory active user stats */ #define NFS_USERCOUNT 5 /* gets current count of active nfs users */ #ifndef NFS_WDELAYHASHSIZ #define NFS_WDELAYHASHSIZ 16 /* and with this */ #endif #ifdef KERNEL #include #include #include #define NFS_KERNEL_DEBUG KERNEL_DEBUG /* kernel debug trace macros */ #define FSDBG(A, B, C, D, E) \ NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_NONE, \ (int)(B), (int)(C), (int)(D), (int)(E), 0) #define FSDBG_TOP(A, B, C, D, E) \ NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_START, \ (int)(B), (int)(C), (int)(D), (int)(E), 0) #define FSDBG_BOT(A, B, C, D, E) \ NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_END, \ (int)(B), (int)(C), (int)(D), (int)(E), 0) #ifdef MALLOC_DECLARE MALLOC_DECLARE(M_NFSREQ); MALLOC_DECLARE(M_NFSMNT); MALLOC_DECLARE(M_NFSDIROFF); MALLOC_DECLARE(M_NFSRVDESC); MALLOC_DECLARE(M_NFSD); MALLOC_DECLARE(M_NFSBIGFH); #endif struct uio; struct vnode_attr; struct nameidata; struct dqblk; /* XXX */ struct nfsbuf; struct nfs_vattr; struct nfs_fsattr; struct nfsnode; typedef struct nfsnode * nfsnode_t; struct nfsreq; /* * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. * What should be in this set is open to debate, but I believe that since * I/O system calls on ufs are never interrupted by signals the set should * be minimal. My reasoning is that many current programs that use signals * such as SIGALRM will not expect file I/O system calls to be interrupted * by them and break. */ #define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ sigmask(SIGHUP)|sigmask(SIGQUIT)) __private_extern__ size_t nfs_mbuf_mhlen, nfs_mbuf_minclsize; /* * NFS mbuf chain structure used for managing the building/dissection of RPCs */ struct nfsm_chain { mbuf_t nmc_mhead; /* mbuf chain head */ mbuf_t nmc_mcur; /* current mbuf */ caddr_t nmc_ptr; /* pointer into current mbuf */ uint32_t nmc_left; /* bytes remaining in current mbuf */ uint32_t nmc_flags; /* flags for this nfsm_chain */ }; #define NFSM_CHAIN_FLAG_ADD_CLUSTERS 0x1 /* always add mbuf clusters */ /* * Each retransmission of an RPCSEC_GSS request * has an additional sequence number. */ struct gss_seq { SLIST_ENTRY(gss_seq) gss_seqnext; uint32_t gss_seqnum; }; /* * async NFS request callback info */ struct nfsreq_cbinfo { void (*rcb_func)(struct nfsreq *); /* async request callback function */ struct nfsbuf *rcb_bp; /* buffer I/O RPC is for */ uint32_t rcb_args[2]; /* additional callback args */ }; /* * NFS outstanding request list element */ struct nfsreq { lck_mtx_t r_mtx; /* NFS request mutex */ TAILQ_ENTRY(nfsreq) r_chain; /* request queue chain */ TAILQ_ENTRY(nfsreq) r_achain; /* mount's async I/O request queue chain */ TAILQ_ENTRY(nfsreq) r_rchain; /* mount's async I/O resend queue chain */ TAILQ_ENTRY(nfsreq) r_cchain; /* mount's cwnd queue chain */ mbuf_t r_mrest; /* request body mbufs */ mbuf_t r_mhead; /* request header mbufs */ struct nfsm_chain r_nmrep; /* reply mbufs */ nfsnode_t r_np; /* NFS node */ struct nfsmount *r_nmp; /* NFS mount point */ uint64_t r_xid; /* RPC transaction ID */ uint32_t r_procnum; /* NFS procedure number */ u_long r_mreqlen; /* request length */ int r_flags; /* flags on request, see below */ int r_lflags; /* flags protected by list mutex, see below */ int r_refs; /* # outstanding references */ uint8_t r_delay; /* delay to use for jukebox error */ uint8_t r_retry; /* max retransmission count */ uint8_t r_rexmit; /* current retrans count */ int r_rtt; /* RTT for rpc */ thread_t r_thread; /* thread that did I/O system call */ kauth_cred_t r_cred; /* credential used for request */ long r_start; /* request start time */ long r_lastmsg; /* time of last tprintf */ long r_resendtime; /* time of next jukebox error resend */ struct nfs_gss_clnt_ctx *r_gss_ctx; /* RPCSEC_GSS context */ SLIST_HEAD(, gss_seq) r_gss_seqlist; /* RPCSEC_GSS sequence numbers */ uint32_t r_gss_argoff; /* RPCSEC_GSS offset to args */ uint32_t r_gss_arglen; /* RPCSEC_GSS arg length */ int r_error; /* request error */ struct nfsreq_cbinfo r_callback; /* callback info */ }; /* * Queue head for nfsreq's */ TAILQ_HEAD(nfs_reqqhead, nfsreq); __private_extern__ struct nfs_reqqhead nfs_reqq; __private_extern__ lck_grp_t *nfs_request_grp; #define R_XID32(x) ((x) & 0xffffffff) #define NFSREQNOLIST ((struct nfsreq *)0xdeadbeef) /* sentinel value for nfsreq lists */ /* Flag values for r_flags */ #define R_TIMING 0x0001 /* timing request (in mntp) */ #define R_CWND 0x0002 /* request accounted for in congestion window */ #define R_SOFTTERM 0x0004 /* request terminated (e.g. soft mnt) */ #define R_RESTART 0x0008 /* RPC should be restarted. */ #define R_INITTED 0x0010 /* request has been initialized */ #define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */ #define R_MUSTRESEND 0x0040 /* Must resend request */ #define R_ALLOCATED 0x0080 /* request was allocated */ #define R_SENT 0x0100 /* request has been sent */ #define R_WAITSENT 0x0200 /* someone is waiting for request to be sent */ #define R_RESENDERR 0x0400 /* resend failed */ #define R_JBTPRINTFMSG 0x0800 /* Did a tprintf msg for jukebox error */ #define R_ASYNC 0x1000 /* async request */ #define R_ASYNCWAIT 0x2000 /* async request now being waited on */ #define R_RESENDQ 0x4000 /* async request currently on resendq */ #define R_SETUP 0x8000 /* a setup RPC - during (re)connection */ #define R_OPTMASK 0x8000 /* mask of all RPC option flags */ /* Flag values for r_lflags */ #define RL_BUSY 0x0001 /* Locked. */ #define RL_WAITING 0x0002 /* Someone waiting for lock. */ #define RL_QUEUED 0x0004 /* request is on the queue */ __private_extern__ u_long nfs_xid, nfs_xidwrap; __private_extern__ int nfs_iosize, nfs_access_cache_timeout, nfs_allow_async, nfs_statfs_rate_limit; __private_extern__ int nfs_lockd_mounts, nfs_lockd_request_sent; __private_extern__ int nfs_tprintf_initial_delay, nfs_tprintf_delay; __private_extern__ int nfsiod_thread_count, nfsiod_thread_max, nfs_max_async_writes; #define NFSIOD_MAX (MIN(nfsiod_thread_max, NFS_MAXASYNCTHREAD)) struct nfs_dulookup { int du_flags; /* state of ._ lookup */ #define NFS_DULOOKUP_DOIT 0x1 #define NFS_DULOOKUP_INPROG 0x2 struct componentname du_cn; /* ._ name being looked up */ struct nfsreq du_req; /* NFS request for lookup */ char du_smallname[48]; /* buffer for small names */ }; /* * Network address hash list element */ union nethostaddr { u_long had_inetaddr; mbuf_t had_nam; }; /* * One nfsrv_sock structure is maintained for each socket the * server is servicing requests on. */ struct nfsrv_sock { TAILQ_ENTRY(nfsrv_sock) ns_chain; /* List of all nfsrv_sock's */ TAILQ_ENTRY(nfsrv_sock) ns_svcq; /* List of sockets needing servicing */ TAILQ_ENTRY(nfsrv_sock) ns_wgq; /* List of sockets with a pending write gather */ lck_rw_t ns_rwlock; /* lock for most fields */ socket_t ns_so; mbuf_t ns_nam; mbuf_t ns_raw; mbuf_t ns_rawend; mbuf_t ns_rec; mbuf_t ns_recend; mbuf_t ns_frag; int ns_flag; int ns_sotype; int ns_cc; int ns_reclen; int ns_reccnt; u_long ns_sref; time_t ns_timestamp; /* socket timestamp */ lck_mtx_t ns_wgmutex; /* mutex for write gather fields */ u_quad_t ns_wgtime; /* next Write deadline (usec) */ LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ LIST_HEAD(nfsrv_wg_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; }; /* Bits for "ns_flag" */ #define SLP_VALID 0x0001 /* nfs sock valid */ #define SLP_DOREC 0x0002 /* nfs sock has received data to process */ #define SLP_NEEDQ 0x0004 /* network socket has data to receive */ #define SLP_DISCONN 0x0008 /* socket needs to be zapped */ #define SLP_GETSTREAM 0x0010 /* currently in nfsrv_getstream() */ #define SLP_LASTFRAG 0x0020 /* on last fragment of RPC record */ #define SLP_DOWRITES 0x0040 /* nfs sock has gathered writes to service */ #define SLP_WORKTODO 0x004e /* mask of all "work to do" flags */ #define SLP_ALLFLAGS 0x007f #define SLP_WAITQ 0x4000 /* nfs sock is on the wait queue */ #define SLP_WORKQ 0x8000 /* nfs sock is on the work queue */ #define SLP_QUEUED 0xc000 /* nfs sock is on a queue */ #define SLPNOLIST ((struct nfsrv_sock *)0xdeadbeef) /* sentinel value for sockets not in the nfsrv_sockwg list */ __private_extern__ struct nfsrv_sock *nfsrv_udpsock; /* * global NFS server socket lists: * * nfsrv_socklist - list of all sockets (ns_chain) * nfsrv_sockwait - sockets w/new data waiting to be worked on (ns_svcq) * nfsrv_sockwork - sockets being worked on which may have more work to do (ns_svcq) * nfsrv_sockwg - sockets with pending write gather input (ns_wgq) */ __private_extern__ TAILQ_HEAD(nfsrv_sockhead, nfsrv_sock) nfsrv_socklist, nfsrv_deadsocklist, nfsrv_sockwg, nfsrv_sockwait, nfsrv_sockwork; /* lock groups for nfsrv_sock's */ __private_extern__ lck_grp_t *nfsrv_slp_rwlock_group; __private_extern__ lck_grp_t *nfsrv_slp_mutex_group; /* * One of these structures is allocated for each nfsd. */ struct nfsd { TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ TAILQ_ENTRY(nfsd) nfsd_queue; /* List of waiting nfsd's */ int nfsd_flag; /* NFSD_ flags */ struct nfsrv_sock *nfsd_slp; /* Current socket */ struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ }; /* Bits for "nfsd_flag" */ #define NFSD_WAITING 0x01 #define NFSD_REQINPROG 0x02 /* * This structure is used by the server for describing each request. * Some fields are used only when write request gathering is performed. */ struct nfsrv_descript { u_quad_t nd_time; /* Write deadline (usec) */ off_t nd_off; /* Start byte offset */ off_t nd_eoff; /* and end byte offset */ LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ struct nfsm_chain nd_nmreq; /* Request mbuf chain */ mbuf_t nd_mrep; /* Reply mbuf list (WG) */ mbuf_t nd_nam; /* and socket addr */ mbuf_t nd_nam2; /* return socket addr */ u_int32_t nd_procnum; /* RPC # */ int nd_stable; /* storage type */ int nd_vers; /* NFS version */ int nd_len; /* Length of this write */ int nd_repstat; /* Reply status */ u_long nd_retxid; /* Reply xid */ struct timeval nd_starttime; /* Time RPC initiated */ struct nfs_filehandle nd_fh; /* File handle */ uint32_t nd_sec; /* Security flavor */ struct nfs_gss_svc_ctx *nd_gss_context;/* RPCSEC_GSS context */ uint32_t nd_gss_seqnum; /* RPCSEC_GSS seq num */ mbuf_t nd_gss_mb; /* RPCSEC_GSS results mbuf */ kauth_cred_t nd_cr; /* Credentials */ }; __private_extern__ TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue; /* mutex for nfs server */ __private_extern__ lck_mtx_t *nfsd_mutex; __private_extern__ int nfsd_thread_count, nfsd_thread_max; /* request list mutex */ __private_extern__ lck_mtx_t *nfs_request_mutex; __private_extern__ int nfs_request_timer_on; /* nfs timer call structures */ __private_extern__ thread_call_t nfs_request_timer_call; __private_extern__ thread_call_t nfs_buf_timer_call; __private_extern__ thread_call_t nfsrv_deadsock_timer_call; __private_extern__ thread_call_t nfsrv_fmod_timer_call; __BEGIN_DECLS nfstype vtonfs_type(enum vtype, int); enum vtype nfstov_type(nfstype, int); int vtonfsv2_mode(enum vtype, mode_t); void nfs_mbuf_init(void); void nfs_nhinit(void); void nfs_nhinit_finish(void); u_long nfs_hash(u_char *, int); int nfs4_setclientid(struct nfsmount *); void nfs4_renew_timer(void *, void *); int nfs_connect(struct nfsmount *); void nfs_disconnect(struct nfsmount *); void nfs_mount_sock_thread_wake(struct nfsmount *); int nfs_getattr(nfsnode_t, struct nfs_vattr *, vfs_context_t, int); int nfs_getattrcache(nfsnode_t, struct nfs_vattr *, int); int nfs_loadattrcache(nfsnode_t, struct nfs_vattr *, u_int64_t *, int); int nfs_attrcachetimeout(nfsnode_t); int nfs_buf_page_inval(vnode_t vp, off_t offset); int nfs_vinvalbuf(vnode_t, int, vfs_context_t, int); int nfs_vinvalbuf2(vnode_t, int, thread_t, kauth_cred_t, int); int nfs_request_create(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq **); void nfs_request_destroy(struct nfsreq *); void nfs_request_ref(struct nfsreq *, int); void nfs_request_rele(struct nfsreq *); int nfs_request_add_header(struct nfsreq *); int nfs_request_send(struct nfsreq *, int); void nfs_request_wait(struct nfsreq *); int nfs_request_finish(struct nfsreq *, struct nfsm_chain *, int *); int nfs_request(nfsnode_t, mount_t, struct nfsm_chain *, int, vfs_context_t, struct nfsm_chain *, u_int64_t *, int *); int nfs_request2(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, int, struct nfsm_chain *, u_int64_t *, int *); int nfs_request_async(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_cbinfo *cb, struct nfsreq **); int nfs_request_async_finish(struct nfsreq *, struct nfsm_chain *, u_int64_t *, int *); void nfs_request_async_cancel(struct nfsreq *); void nfs_request_timer(void *, void *); int nfs_sigintr(struct nfsmount *, struct nfsreq *, thread_t, int); int nfs_noremotehang(thread_t); int nfs_send(struct nfsreq *, int); int nfs_sndlock(struct nfsreq *); void nfs_sndunlock(struct nfsreq *); int nfs_lookitup(nfsnode_t, char *, int, vfs_context_t, nfsnode_t *); void nfs_dulookup_init(struct nfs_dulookup *, nfsnode_t, const char *, int); void nfs_dulookup_start(struct nfs_dulookup *, nfsnode_t, vfs_context_t); void nfs_dulookup_finish(struct nfs_dulookup *, nfsnode_t, vfs_context_t); int nfs_parsefattr(struct nfsm_chain *, int, struct nfs_vattr *); int nfs4_parsefattr(struct nfsm_chain *, struct nfs_fsattr *, struct nfs_vattr *, fhandle_t *, struct dqblk *); void nfs_vattr_set_supported(uint32_t *, struct vnode_attr *); void nfs3_pathconf_cache(struct nfsmount *, struct nfs_fsattr *); int nfs_node_mode_slot(nfsnode_t, uid_t, int); int nfs_vnop_access(struct vnop_access_args *); int nfs3_vnop_open(struct vnop_open_args *); int nfs3_vnop_close(struct vnop_close_args *); int nfs4_vnop_create(struct vnop_create_args *); int nfs4_vnop_mknod(struct vnop_mknod_args *); int nfs4_vnop_open(struct vnop_open_args *); int nfs4_vnop_close(struct vnop_close_args *); int nfs4_vnop_getattr(struct vnop_getattr_args *); int nfs4_vnop_link(struct vnop_link_args *); int nfs4_vnop_mkdir(struct vnop_mkdir_args *); int nfs4_vnop_rmdir(struct vnop_rmdir_args *); int nfs4_vnop_symlink(struct vnop_symlink_args *); int nfs4_vnop_advlock(struct vnop_advlock_args *ap); int nfs_read_rpc(nfsnode_t, struct uio *, vfs_context_t); int nfs_write_rpc(nfsnode_t, struct uio *, vfs_context_t, int *, uint64_t *); int nfs_write_rpc2(nfsnode_t, struct uio *, thread_t, kauth_cred_t, int *, uint64_t *); int nfs3_access_rpc(nfsnode_t, u_long *, vfs_context_t); int nfs4_access_rpc(nfsnode_t, u_long *, vfs_context_t); int nfs3_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, vfs_context_t, struct nfs_vattr *, u_int64_t *); int nfs4_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, vfs_context_t, struct nfs_vattr *, u_int64_t *); int nfs3_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t, int); int nfs4_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t, int); int nfs3_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); int nfs4_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); int nfs3_read_rpc_async_finish(nfsnode_t, struct nfsreq *, struct uio *, size_t *, int *); int nfs4_read_rpc_async_finish(nfsnode_t, struct nfsreq *, struct uio *, size_t *, int *); int nfs3_write_rpc_async(nfsnode_t, struct uio *, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); int nfs4_write_rpc_async(nfsnode_t, struct uio *, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); int nfs3_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); int nfs4_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); int nfs3_readdir_rpc(nfsnode_t, struct uio *, vfs_context_t); int nfs3_readdirplus_rpc(nfsnode_t, struct uio *, vfs_context_t); int nfs4_readdir_rpc(nfsnode_t, struct uio *, vfs_context_t); int nfs3_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); int nfs4_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); int nfs3_commit_rpc(nfsnode_t, u_int64_t, u_int64_t, kauth_cred_t); int nfs4_commit_rpc(nfsnode_t, u_int64_t, u_int64_t, kauth_cred_t); int nfs3_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); int nfs4_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); int nfs3_lookup_rpc_async_finish(nfsnode_t, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); int nfs4_lookup_rpc_async_finish(nfsnode_t, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); int nfs3_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); int nfs4_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); int nfs3_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); int nfs4_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); int nfs3_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); int nfs4_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); void nfsrv_active_user_list_reclaim(void); void nfsrv_cleancache(void); void nfsrv_cleanup(void); int nfsrv_credcheck(struct nfsrv_descript *, vfs_context_t, struct nfs_export *, struct nfs_export_options *); void nfsrv_deadsock_timer(void *, void *); int nfsrv_dorec(struct nfsrv_sock *, struct nfsd *, struct nfsrv_descript **); int nfsrv_errmap(struct nfsrv_descript *, int); int nfsrv_export(struct user_nfs_export_args *, vfs_context_t); int nfsrv_fhmatch(struct nfs_filehandle *, struct nfs_filehandle *); int nfsrv_fhtovp(struct nfs_filehandle *, struct nfsrv_descript *, vnode_t *, struct nfs_export **, struct nfs_export_options **); void nfsrv_fmod_timer(void *, void *); int nfsrv_getcache(struct nfsrv_descript *, struct nfsrv_sock *, mbuf_t *); void nfsrv_group_sort(gid_t *, int); void nfsrv_init(void); void nfsrv_initcache(void); int nfsrv_is_initialized(void); int nfsrv_namei(struct nfsrv_descript *, vfs_context_t, struct nameidata *, struct nfs_filehandle *, vnode_t *, struct nfs_export **, struct nfs_export_options **); void nfsrv_rcv(socket_t, caddr_t, int); void nfsrv_rcv_locked(socket_t, struct nfsrv_sock *, int); int nfsrv_rephead(struct nfsrv_descript *, struct nfsrv_sock *, struct nfsm_chain *, size_t); int nfsrv_send(struct nfsrv_sock *, mbuf_t, mbuf_t); void nfsrv_updatecache(struct nfsrv_descript *, int, mbuf_t); void nfsrv_update_user_stat(struct nfs_export *, struct nfsrv_descript *, uid_t, u_int, u_int, u_int); int nfsrv_vptofh(struct nfs_export *, int, struct nfs_filehandle *, vnode_t, vfs_context_t, struct nfs_filehandle *); void nfsrv_wakenfsd(struct nfsrv_sock *); void nfsrv_wg_timer(void *, void *); int nfsrv_writegather(struct nfsrv_descript **, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_access(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_commit(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_create(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_fsinfo(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_getattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_link(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_lookup(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_mkdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_mknod(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_noop(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_null(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_pathconf(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_read(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_readdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_readdirplus(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_readlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_remove(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_rename(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_rmdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_setattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_statfs(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_symlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); int nfsrv_write(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); void nfs_interval_timer_start(thread_call_t, int); void nfs_up(struct nfsmount *, thread_t, int, const char *); void nfs_down(struct nfsmount *, thread_t, int, int, const char *); int nfs_mountroot(void); struct nfs_diskless; int nfs_boot_init(struct nfs_diskless *); int nfs_boot_getfh(struct nfs_diskless *, int, int); __END_DECLS #endif /* KERNEL */ #endif /* __APPLE_API_PRIVATE */ #endif