/* * Copyright (c) 2000-2014 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 */ 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 16U /* 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 32768 /* 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 /* size of NFS directory buffers */ #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 NFSRV_NDMAXDATA(n) \ (((n)->nd_vers == NFS_VER3) ? (((n)->nd_nam2) ? \ NFS_MAXDGRAMDATA : NFSRV_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 their own nfs zones. */ #define NFS_NODEALLOC 1024 #define NFS_MNTALLOC 1024 #define NFS_SVCALLOC 512 #define NFS_ARGSVERSION_XDR 88 /* NFS mount args are in XDR format */ #define NFS_XDRARGS_VERSION_0 0 #define NFS_MATTR_BITMAP_LEN 1 /* length of mount attributes bitmap */ #define NFS_MFLAG_BITMAP_LEN 1 /* length of mount flags bitmap */ /* NFS mount attributes */ #define NFS_MATTR_FLAGS 0 /* mount flags (NFS_MATTR_*) */ #define NFS_MATTR_NFS_VERSION 1 /* NFS protocol version */ #define NFS_MATTR_NFS_MINOR_VERSION 2 /* NFS protocol minor version */ #define NFS_MATTR_READ_SIZE 3 /* READ RPC size */ #define NFS_MATTR_WRITE_SIZE 4 /* WRITE RPC size */ #define NFS_MATTR_READDIR_SIZE 5 /* READDIR RPC size */ #define NFS_MATTR_READAHEAD 6 /* block readahead count */ #define NFS_MATTR_ATTRCACHE_REG_MIN 7 /* minimum attribute cache time */ #define NFS_MATTR_ATTRCACHE_REG_MAX 8 /* maximum attribute cache time */ #define NFS_MATTR_ATTRCACHE_DIR_MIN 9 /* minimum attribute cache time for dirs */ #define NFS_MATTR_ATTRCACHE_DIR_MAX 10 /* maximum attribute cache time for dirs */ #define NFS_MATTR_LOCK_MODE 11 /* advisory file locking mode (NFS_LOCK_MODE_*) */ #define NFS_MATTR_SECURITY 12 /* RPC security flavors to use */ #define NFS_MATTR_MAX_GROUP_LIST 13 /* max # of RPC AUTH_SYS groups */ #define NFS_MATTR_SOCKET_TYPE 14 /* socket transport type as a netid-like string */ #define NFS_MATTR_NFS_PORT 15 /* port # to use for NFS protocol */ #define NFS_MATTR_MOUNT_PORT 16 /* port # to use for MOUNT protocol */ #define NFS_MATTR_REQUEST_TIMEOUT 17 /* initial RPC request timeout value */ #define NFS_MATTR_SOFT_RETRY_COUNT 18 /* max RPC retransmissions for soft mounts */ #define NFS_MATTR_DEAD_TIMEOUT 19 /* how long until unresponsive mount is considered dead */ #define NFS_MATTR_FH 20 /* file handle for mount directory */ #define NFS_MATTR_FS_LOCATIONS 21 /* list of locations for the file system */ #define NFS_MATTR_MNTFLAGS 22 /* VFS mount flags (MNT_*) */ #define NFS_MATTR_MNTFROM 23 /* fixed string to use for "f_mntfromname" */ #define NFS_MATTR_REALM 24 /* Realm to authenticate with */ #define NFS_MATTR_PRINCIPAL 25 /* GSS principal to authenticate with */ #define NFS_MATTR_SVCPRINCIPAL 26 /* GSS principal to authenticate to, the server principal */ /* NFS mount flags */ #define NFS_MFLAG_SOFT 0 /* soft mount (requests fail if unresponsive) */ #define NFS_MFLAG_INTR 1 /* allow operations to be interrupted */ #define NFS_MFLAG_RESVPORT 2 /* use a reserved port */ #define NFS_MFLAG_NOCONNECT 3 /* don't connect the socket (UDP) */ #define NFS_MFLAG_DUMBTIMER 4 /* don't estimate RTT dynamically */ #define NFS_MFLAG_CALLUMNT 5 /* call MOUNTPROC_UMNT on unmount */ #define NFS_MFLAG_RDIRPLUS 6 /* request additional info when reading directories */ #define NFS_MFLAG_NONEGNAMECACHE 7 /* don't do negative name caching */ #define NFS_MFLAG_MUTEJUKEBOX 8 /* don't treat jukebox errors as unresponsive */ #define NFS_MFLAG_EPHEMERAL 9 /* ephemeral (mirror) mount */ #define NFS_MFLAG_NOCALLBACK 10 /* don't provide callback RPC service */ #define NFS_MFLAG_NONAMEDATTR 11 /* don't use named attributes */ #define NFS_MFLAG_NOACL 12 /* don't support ACLs */ #define NFS_MFLAG_ACLONLY 13 /* only support ACLs - not mode */ #define NFS_MFLAG_NFC 14 /* send NFC strings */ #define NFS_MFLAG_NOQUOTA 15 /* don't support QUOTA requests */ #define NFS_MFLAG_MNTUDP 16 /* MOUNT protocol should use UDP */ #define NFS_MFLAG_MNTQUICK 17 /* use short timeouts while mounting */ /* NFS advisory file locking modes */ #define NFS_LOCK_MODE_ENABLED 0 /* advisory file locking enabled */ #define NFS_LOCK_MODE_DISABLED 1 /* do not support advisory file locking */ #define NFS_LOCK_MODE_LOCAL 2 /* perform advisory file locking locally */ /* * Old-style arguments to mount NFS */ #define NFS_ARGSVERSION 6 /* change when nfs_args changes */ struct nfs_args { int version; /* args structure version number */ #ifdef KERNEL user32_addr_t addr; /* file server address */ #else struct sockaddr *addr; /* file server address */ #endif int addrlen; /* length of address */ int sotype; /* Socket type */ int proto; /* and Protocol */ #ifdef KERNEL user32_addr_t fh; /* File handle to be mounted */ #else u_char *fh; /* File handle to be mounted */ #endif 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 */ #ifdef KERNEL user32_addr_t hostname; /* server's name */ #else char *hostname; /* server's name */ #endif /* 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 */ /* NFS_ARGSVERSION 5 ends here */ uint32_t deadtimeout; /* secs until unresponsive mount considered dead */ }; /* incremental size additions in each version of nfs_args */ #define NFS_ARGSVERSION4_INCSIZE (4 * sizeof(int)) #define NFS_ARGSVERSION5_INCSIZE (sizeof(uint32_t)) #define NFS_ARGSVERSION6_INCSIZE (sizeof(uint32_t)) #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 */ /* NFS_ARGSVERSION 5 ends here */ uint32_t deadtimeout; /* secs until unresponsive mount considered dead */ }; #endif // KERNEL /* * Old-style 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_DEADTIMEOUT 0x00001000 /* unmount after a period of unresponsiveness */ #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ #define NFSMNT_CALLUMNT 0x00004000 /* call MOUNTPROC_UMNT on unmount */ #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_SECSYSOK 0x02000000 /* Server can support auth sys */ #define NFSMNT_MUTEJUKEBOX 0x04000000 /* don't treat jukebox errors as unresponsive */ #define NFSMNT_NOQUOTA 0x08000000 /* don't support QUOTA requests */ /* * fs.nfs sysctl(3) NFS_MOUNTINFO defines */ #define NFS_MOUNT_INFO_VERSION 0 /* nfsstat mount information version */ #define NFS_MIATTR_BITMAP_LEN 1 /* length of mount info attributes bitmap */ #define NFS_MIFLAG_BITMAP_LEN 1 /* length of mount info flags bitmap */ /* NFS mount info attributes */ #define NFS_MIATTR_FLAGS 0 /* mount info flags bitmap (MIFLAG_*) */ #define NFS_MIATTR_ORIG_ARGS 1 /* original mount args passed into mount call */ #define NFS_MIATTR_CUR_ARGS 2 /* current mount args values */ #define NFS_MIATTR_CUR_LOC_INDEX 3 /* current fs location index */ /* NFS mount info flags */ #define NFS_MIFLAG_DEAD 0 /* mount is dead */ #define NFS_MIFLAG_NOTRESP 1 /* server is unresponsive */ #define NFS_MIFLAG_RECOVERY 2 /* mount in recovery */ /* * 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 */ #ifdef KERNEL user32_addr_t name; /* Client addr for connection based sockets */ #else caddr_t name; /* Client addr for connection based sockets */ #endif 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 */ #ifdef KERNEL user32_addr_t nxa_fspath; /* export FS path */ user32_addr_t nxa_exppath; /* export sub-path */ #else char *nxa_fspath; /* export FS path */ char *nxa_exppath; /* export sub-path */ #endif uint32_t nxa_flags; /* export arg flags */ uint32_t nxa_netcount; /* #entries in ex_nets array */ #ifdef KERNEL user32_addr_t nxa_nets; /* array of net args */ #else struct nfs_export_net_args *nxa_nets; /* array of net args */ #endif }; #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 */ #define NXA_CHECK 0x0010 /* check if exportable */ /* 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 */ #define NX_MANGLEDNAMES 0x0080 /* export will return mangled names for names > 255 bytes */ /* * 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), &(PTR)->lo); \ if ((NFSSA_OldValue + (VAL)) < NFSSA_OldValue) \ OSAddAtomic(1, &(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 */ extern uint32_t nfsrv_user_stat_enabled; /* enable/disable active user list */ extern uint32_t nfsrv_user_stat_node_count; /* current count of user stat nodes */ extern uint32_t nfsrv_user_stat_max_idle_sec; /* idle seconds (node no longer considered active) */ extern uint32_t nfsrv_user_stat_max_nodes; /* active user list size limit */ 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 */ }; extern LIST_HEAD(nfsrv_expfs_list, nfs_exportfs) nfsrv_exports; extern lck_rw_t nfsrv_export_rwlock; // lock for export data structures #define NFSRVEXPHASHSZ 64 #define NFSRVEXPHASHVAL(FSID, EXPID) \ (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID)) #define NFSRVEXPHASH(FSID, EXPID) \ (&nfsrv_export_hashtbl[NFSRVEXPHASHVAL((FSID),(EXPID)) & nfsrv_export_hash]) extern LIST_HEAD(nfsrv_export_hashhead, nfs_export) *nfsrv_export_hashtbl; extern u_long nfsrv_export_hash; #if CONFIG_FSE /* * 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) (((uintptr_t) vp) & nfsrv_fmod_hash) extern LIST_HEAD(nfsrv_fmod_hashhead, nfsrv_fmod) *nfsrv_fmod_hashtbl; extern u_long nfsrv_fmod_hash; extern lck_mtx_t *nfsrv_fmod_mutex; extern int nfsrv_fmod_pending, nfsrv_fsevents_enabled; #endif extern int nfsrv_async, nfsrv_export_hash_size, nfsrv_reqcache_size, nfsrv_sock_max_rec_queue_length; extern uint32_t nfsrv_gss_context_ttl; extern struct nfsstats nfsstats; #define NFS_UC_Q_DEBUG #ifdef NFS_UC_Q_DEBUG extern int nfsrv_uc_use_proxy; extern uint32_t nfsrv_uc_queue_limit; extern uint32_t nfsrv_uc_queue_max_seen; extern volatile uint32_t nfsrv_uc_queue_count; #endif #endif // KERNEL /* * XXX to allow amd to include nfs.h without nfsproto.h */ #ifdef NFS_NPROCS /* * Stats structure */ struct nfsstats { uint64_t attrcache_hits; uint64_t attrcache_misses; uint64_t lookupcache_hits; uint64_t lookupcache_misses; uint64_t direofcache_hits; uint64_t direofcache_misses; uint64_t biocache_reads; uint64_t read_bios; uint64_t read_physios; uint64_t biocache_writes; uint64_t write_bios; uint64_t write_physios; uint64_t biocache_readlinks; uint64_t readlink_bios; uint64_t biocache_readdirs; uint64_t readdir_bios; uint64_t rpccnt[NFS_NPROCS]; uint64_t rpcretries; uint64_t srvrpccnt[NFS_NPROCS]; uint64_t srvrpc_errs; uint64_t srv_errs; uint64_t rpcrequests; uint64_t rpctimeouts; uint64_t rpcunexpected; uint64_t rpcinvalid; uint64_t srvcache_inproghits; uint64_t srvcache_idemdonehits; uint64_t srvcache_nonidemdonehits; uint64_t srvcache_misses; uint64_t srvvop_writes; uint64_t pageins; uint64_t 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 #define NFSCLNT_LOCKDNOTIFY 0x400 #define NFSCLNT_TESTIDMAP 0x001 #include /* for guid_t below */ #define MAXIDNAMELEN 1024 struct nfs_testmapid { uint32_t ntm_name2id; /* lookup name 2 id or id 2 name */ uint32_t ntm_grpflag; /* Is this a group or user maping */ uint32_t ntm_id; /* id to map or return */ uint32_t pad; guid_t ntm_guid; /* intermidiate guid used in conversion */ char ntm_name[MAXIDNAMELEN]; /* name to map or return */ }; /* * 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 */ #define NFS_MOUNTINFO 6 /* gets information about an NFS mount */ #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 vnode_attr; struct nameidata; struct dqblk; struct sockaddr_in; /* XXX */ struct nfsbuf; struct nfs_vattr; struct nfs_fsattr; struct nfsnode; typedef struct nfsnode * nfsnode_t; struct nfs_open_owner; struct nfs_open_file; struct nfs_lock_owner; struct nfs_file_lock; struct nfsreq; struct nfs_rpc_record_state; struct nfs_fs_locations; struct nfs_location_index; struct nfs_socket; struct nfs_socket_search; struct nfsrv_uc_arg; /* * 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)) 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[3]; /* additional callback args */ }; /* * Arguments to use if a request needs to call SECINFO to handle a WRONGSEC error * * If only node is set, use the parent file handle and this node's name; otherwise, * use any file handle and name provided. */ struct nfsreq_secinfo_args { nfsnode_t rsia_np; /* the node */ const char *rsia_name; /* alternate name string */ u_char *rsia_fh; /* alternate file handle */ uint32_t rsia_namelen; /* length of string */ uint32_t rsia_fhsize; /* length of fh */ }; #define NFSREQ_SECINFO_SET(SI, NP, FH, FHSIZE, NAME, NAMELEN) \ do { \ (SI)->rsia_np = (NP); \ (SI)->rsia_fh = (FH); \ (SI)->rsia_fhsize = (FHSIZE); \ (SI)->rsia_name = (NAME); \ (SI)->rsia_namelen = (NAMELEN); \ } while (0) /* * 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 */ uint32_t 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 */ time_t r_start; /* request start time */ time_t r_lastmsg; /* time of last tprintf */ time_t 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 */ uint32_t r_auth; /* security flavor request sent with */ uint32_t *r_wrongsec; /* wrongsec: other flavors to try */ int r_error; /* request error */ struct nfsreq_cbinfo r_callback; /* callback info */ struct nfsreq_secinfo_args r_secinfo; /* secinfo args */ }; /* * Queue head for nfsreq's */ TAILQ_HEAD(nfs_reqqhead, nfsreq); extern struct nfs_reqqhead nfs_reqq; extern lck_grp_t *nfs_request_grp; #define R_XID32(x) ((x) & 0xffffffff) #define NFSNOLIST ((void *)0x0badcafe) /* sentinel value for nfs lists */ #define NFSREQNOLIST NFSNOLIST /* sentinel value for nfsreq lists */ #define NFSIODCOMPLETING ((void *)0x10d) /* sentinel value for iod processing async I/O w/callback being completed */ /* Flag values for r_flags */ #define R_TIMING 0x00000001 /* timing request (in mntp) */ #define R_CWND 0x00000002 /* request accounted for in congestion window */ #define R_SOFTTERM 0x00000004 /* request terminated (e.g. soft mnt) */ #define R_RESTART 0x00000008 /* RPC should be restarted. */ #define R_INITTED 0x00000010 /* request has been initialized */ #define R_TPRINTFMSG 0x00000020 /* Did a tprintf msg. */ #define R_MUSTRESEND 0x00000040 /* Must resend request */ #define R_ALLOCATED 0x00000080 /* request was allocated */ #define R_SENT 0x00000100 /* request has been sent */ #define R_WAITSENT 0x00000200 /* someone is waiting for request to be sent */ #define R_RESENDERR 0x00000400 /* resend failed */ #define R_JBTPRINTFMSG 0x00000800 /* Did a tprintf msg for jukebox error */ #define R_ASYNC 0x00001000 /* async request */ #define R_ASYNCWAIT 0x00002000 /* async request now being waited on */ #define R_RESENDQ 0x00004000 /* async request currently on resendq */ #define R_SENDING 0x00008000 /* request currently being sent */ #define R_SOFT 0x00010000 /* request is soft - don't retry or reconnect */ #define R_NOINTR 0x20000000 /* request should not be interupted by a signal */ #define R_RECOVER 0x40000000 /* a state recovery RPC - during NFSSTA_RECOVER */ #define R_SETUP 0x80000000 /* a setup RPC - during (re)connection */ #define R_OPTMASK 0xe0000000 /* 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 */ extern u_int32_t nfs_xid, nfs_xidwrap; extern int nfs_iosize, nfs_allow_async, nfs_statfs_rate_limit; extern int nfs_access_cache_timeout, nfs_access_delete, nfs_access_dotzfs, nfs_access_for_getattr; extern int nfs_lockd_mounts, nfs_lockd_request_sent, nfs_single_des; extern int nfs_tprintf_initial_delay, nfs_tprintf_delay; extern int nfsiod_thread_count, nfsiod_thread_max, nfs_max_async_writes; extern int nfs_idmap_ctrl, nfs_callback_port; extern int nfs_is_mobile, nfs_readlink_nocache; extern uint32_t nfs_squishy_flags; extern uint32_t nfs_debug_ctl; /* bits for nfs_idmap_ctrl: */ #define NFS_IDMAP_CTRL_USE_IDMAP_SERVICE 0x00000001 /* use the ID mapping service */ #define NFS_IDMAP_CTRL_FALLBACK_NO_COMMON_IDS 0x00000002 /* fallback should NOT handle common IDs like "root" and "nobody" */ #define NFS_IDMAP_CTRL_FALLBACK_NO_WELLKNOWN_IDS 0x00000004 /* fallback should NOT handle the well known "XXX@" IDs */ #define NFS_IDMAP_CTRL_UNKNOWN_IS_99 0x00000008 /* for unknown IDs use uid/gid 99 instead of -2/nobody */ #define NFS_IDMAP_CTRL_COMPARE_RESULTS 0x00000010 /* compare results of ID mapping service and fallback */ #define NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS 0x00000020 /* log failed ID mapping attempts */ #define NFS_IDMAP_CTRL_LOG_SUCCESSFUL_MAPPINGS 0x00000040 /* log successful ID mapping attempts */ #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 */ }; /* * 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 */ struct nfsrv_uc_arg *ns_ua; /* Opaque pointer to upcall */ 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_int32_t 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 */ extern struct nfsrv_sock *nfsrv_udpsock, *nfsrv_udp6sock; /* * 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) */ extern TAILQ_HEAD(nfsrv_sockhead, nfsrv_sock) nfsrv_socklist, nfsrv_deadsocklist, nfsrv_sockwg, nfsrv_sockwait, nfsrv_sockwork; /* lock groups for nfsrv_sock's */ extern lck_grp_t *nfsrv_slp_rwlock_group; 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_int32_t 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 */ }; extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue; /* mutex for nfs server */ extern lck_mtx_t *nfsd_mutex; extern int nfsd_thread_count, nfsd_thread_max; /* request list mutex */ extern lck_mtx_t *nfs_request_mutex; extern int nfs_request_timer_on; /* mutex for nfs client globals */ extern lck_mtx_t *nfs_global_mutex; /* NFSv4 callback globals */ extern int nfs4_callback_timer_on; extern in_port_t nfs4_cb_port, nfs4_cb_port6; /* nfs timer call structures */ extern thread_call_t nfs_request_timer_call; extern thread_call_t nfs_buf_timer_call; extern thread_call_t nfs4_callback_timer_call; extern thread_call_t nfsrv_deadsock_timer_call; #if CONFIG_FSE extern thread_call_t nfsrv_fmod_timer_call; #endif __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_init_clientid(struct nfsmount *); int nfs4_setclientid(struct nfsmount *); int nfs4_renew(struct nfsmount *, int); void nfs4_renew_timer(void *, void *); void nfs4_mount_callback_setup(struct nfsmount *); void nfs4_mount_callback_shutdown(struct nfsmount *); void nfs4_cb_accept(socket_t, void *, int); void nfs4_cb_rcv(socket_t, void *, int); void nfs4_callback_timer(void *, void *); int nfs4_secinfo_rpc(struct nfsmount *, struct nfsreq_secinfo_args *, kauth_cred_t, uint32_t *, int *); int nfs4_get_fs_locations(struct nfsmount *, nfsnode_t, u_char *, int, const char *, vfs_context_t, struct nfs_fs_locations *); void nfs_fs_locations_cleanup(struct nfs_fs_locations *); void nfs4_default_attrs_for_referral_trigger(nfsnode_t, char *, int, struct nfs_vattr *, fhandle_t *); int nfs_sockaddr_cmp(struct sockaddr *, struct sockaddr *); int nfs_connect(struct nfsmount *, int, int); void nfs_disconnect(struct nfsmount *); void nfs_need_reconnect(struct nfsmount *); void nfs_mount_sock_thread_wake(struct nfsmount *); int nfs_mount_check_dead_timeout(struct nfsmount *); int nfs_mount_gone(struct nfsmount *); void nfs_mount_rele(struct nfsmount *); void nfs_mount_zombie(struct nfsmount *, int); void nfs_mount_make_zombie(struct nfsmount *); void nfs_rpc_record_state_init(struct nfs_rpc_record_state *); void nfs_rpc_record_state_cleanup(struct nfs_rpc_record_state *); int nfs_rpc_record_read(socket_t, struct nfs_rpc_record_state *, int, int *, mbuf_t *); 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_vinvalbuf_internal(nfsnode_t, int, thread_t, kauth_cred_t, int, int); void nfs_wait_bufs(nfsnode_t); 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 nfsreq_secinfo_args *, struct nfsm_chain *, u_int64_t *, int *); int nfs_request2(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_secinfo_args *, int, struct nfsm_chain *, u_int64_t *, int *); int nfs_request_gss(mount_t, struct nfsm_chain *, thread_t, kauth_cred_t, int, struct nfs_gss_clnt_ctx *, struct nfsm_chain *, int *); int nfs_request_async(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_secinfo_args *, int, struct nfsreq_cbinfo *, 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_request_using_gss(struct nfsreq *); void nfs_get_xid(uint64_t *); 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_uaddr2sockaddr(const char *, struct sockaddr *); int nfs_aux_request(struct nfsmount *, thread_t, struct sockaddr *, socket_t, int, mbuf_t, uint32_t, int, int, struct nfsm_chain *); int nfs_portmap_lookup(struct nfsmount *, vfs_context_t, struct sockaddr *, socket_t, uint32_t, uint32_t, uint32_t, int); void nfs_location_next(struct nfs_fs_locations *, struct nfs_location_index *); int nfs_location_index_cmp(struct nfs_location_index *, struct nfs_location_index *); void nfs_location_mntfromname(struct nfs_fs_locations *, struct nfs_location_index, char *, int, int); int nfs_socket_create(struct nfsmount *, struct sockaddr *, int, in_port_t, uint32_t, uint32_t, int, struct nfs_socket **); void nfs_socket_destroy(struct nfs_socket *); void nfs_socket_options(struct nfsmount *, struct nfs_socket *); void nfs_connect_upcall(socket_t, void *, int); int nfs_connect_error_class(int); int nfs_connect_search_loop(struct nfsmount *, struct nfs_socket_search *); void nfs_socket_search_update_error(struct nfs_socket_search *, int); void nfs_socket_search_cleanup(struct nfs_socket_search *); void nfs_mount_connect_thread(void *, __unused wait_result_t); int nfs_lookitup(nfsnode_t, char *, int, vfs_context_t, nfsnode_t *); void nfs_dulookup_init(struct nfs_dulookup *, nfsnode_t, const char *, int, vfs_context_t); 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_dir_buf_cache_lookup(nfsnode_t, nfsnode_t *, struct componentname *, vfs_context_t, int); int nfs_dir_buf_search(struct nfsbuf *, struct componentname *, fhandle_t *, struct nfs_vattr *, uint64_t *, time_t *, daddr64_t *, int); void nfs_name_cache_purge(nfsnode_t, nfsnode_t, struct componentname *, vfs_context_t); uint32_t nfs4_ace_nfstype_to_vfstype(uint32_t, int *); uint32_t nfs4_ace_vfstype_to_nfstype(uint32_t, int *); uint32_t nfs4_ace_nfsflags_to_vfsflags(uint32_t); uint32_t nfs4_ace_vfsflags_to_nfsflags(uint32_t); uint32_t nfs4_ace_nfsmask_to_vfsrights(uint32_t); uint32_t nfs4_ace_vfsrights_to_nfsmask(uint32_t); int nfs4_id2guid(char *, guid_t *, int); int nfs4_guid2id(guid_t *, char *, int *, int); 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 *, struct nfs_fs_locations *); void nfs_vattr_set_supported(uint32_t *, struct vnode_attr *); void nfs_vattr_set_bitmap(struct nfsmount *, uint32_t *, struct vnode_attr *); void nfs3_pathconf_cache(struct nfsmount *, struct nfs_fsattr *); int nfs3_mount_rpc(struct nfsmount *, struct sockaddr *, int, int, char *, vfs_context_t, int, fhandle_t *, struct nfs_sec *); void nfs3_umount_rpc(struct nfsmount *, vfs_context_t, int); int nfs_node_access_slot(nfsnode_t, uid_t, int); void nfs_vnode_notify(nfsnode_t, uint32_t); void nfs_avoid_needless_id_setting_on_create(nfsnode_t, struct vnode_attr *, vfs_context_t); int nfs4_create_rpc(vfs_context_t, nfsnode_t, struct componentname *, struct vnode_attr *, int, char *, nfsnode_t *); int nfs_open_state_set_busy(nfsnode_t, thread_t); void nfs_open_state_clear_busy(nfsnode_t); struct nfs_open_owner *nfs_open_owner_find(struct nfsmount *, kauth_cred_t, int); void nfs_open_owner_destroy(struct nfs_open_owner *); void nfs_open_owner_ref(struct nfs_open_owner *); void nfs_open_owner_rele(struct nfs_open_owner *); int nfs_open_owner_set_busy(struct nfs_open_owner *, thread_t); void nfs_open_owner_clear_busy(struct nfs_open_owner *); void nfs_owner_seqid_increment(struct nfs_open_owner *, struct nfs_lock_owner *, int); int nfs_open_file_find(nfsnode_t, struct nfs_open_owner *, struct nfs_open_file **, uint32_t, uint32_t, int); int nfs_open_file_find_internal(nfsnode_t, struct nfs_open_owner *, struct nfs_open_file **, uint32_t, uint32_t, int); void nfs_open_file_destroy(struct nfs_open_file *); int nfs_open_file_set_busy(struct nfs_open_file *, thread_t); void nfs_open_file_clear_busy(struct nfs_open_file *); void nfs_open_file_add_open(struct nfs_open_file *, uint32_t, uint32_t, int); void nfs_open_file_remove_open_find(struct nfs_open_file *, uint32_t, uint32_t, uint32_t *, uint32_t *, int*); void nfs_open_file_remove_open(struct nfs_open_file *, uint32_t, uint32_t); void nfs_get_stateid(nfsnode_t, thread_t, kauth_cred_t, nfs_stateid *); int nfs4_open(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t); int nfs4_open_delegated(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t); int nfs_close(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t); int nfs_check_for_locks(struct nfs_open_owner *, struct nfs_open_file *); int nfs4_reopen(struct nfs_open_file *, thread_t); int nfs4_open_rpc(struct nfs_open_file *, vfs_context_t, struct componentname *, struct vnode_attr *, vnode_t, vnode_t *, int, int, int); int nfs4_open_rpc_internal(struct nfs_open_file *, vfs_context_t, thread_t, kauth_cred_t, struct componentname *, struct vnode_attr *, vnode_t, vnode_t *, int, int, int); int nfs4_open_confirm_rpc(struct nfsmount *, nfsnode_t, u_char *, int, struct nfs_open_owner *, nfs_stateid *, thread_t, kauth_cred_t, struct nfs_vattr *, uint64_t *); int nfs4_open_reopen_rpc(struct nfs_open_file *, thread_t, kauth_cred_t, struct componentname *, vnode_t, vnode_t *, int, int); int nfs4_open_reclaim_rpc(struct nfs_open_file *, int, int); int nfs4_claim_delegated_open_rpc(struct nfs_open_file *, int, int, int); int nfs4_claim_delegated_state_for_open_file(struct nfs_open_file *, int); int nfs4_claim_delegated_state_for_node(nfsnode_t, int); int nfs4_open_downgrade_rpc(nfsnode_t, struct nfs_open_file *, vfs_context_t); int nfs4_close_rpc(nfsnode_t, struct nfs_open_file *, thread_t, kauth_cred_t, int); void nfs4_delegation_return_enqueue(nfsnode_t); int nfs4_delegation_return(nfsnode_t, int, thread_t, kauth_cred_t); int nfs4_delegreturn_rpc(struct nfsmount *, u_char *, int, struct nfs_stateid *, int, thread_t, kauth_cred_t); void nfs_release_open_state_for_node(nfsnode_t, int); void nfs_revoke_open_state_for_node(nfsnode_t); struct nfs_lock_owner *nfs_lock_owner_find(nfsnode_t, proc_t, int); void nfs_lock_owner_destroy(struct nfs_lock_owner *); void nfs_lock_owner_ref(struct nfs_lock_owner *); void nfs_lock_owner_rele(struct nfs_lock_owner *); int nfs_lock_owner_set_busy(struct nfs_lock_owner *, thread_t); void nfs_lock_owner_clear_busy(struct nfs_lock_owner *); void nfs_lock_owner_insert_held_lock(struct nfs_lock_owner *, struct nfs_file_lock *); struct nfs_file_lock *nfs_file_lock_alloc(struct nfs_lock_owner *); void nfs_file_lock_destroy(struct nfs_file_lock *); int nfs_file_lock_conflict(struct nfs_file_lock *, struct nfs_file_lock *, int *); int nfs4_lock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); int nfs_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, thread_t, kauth_cred_t, int); int nfs_advlock_getlock(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); int nfs_advlock_setlock(nfsnode_t, struct nfs_open_file *, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, short, vfs_context_t); int nfs_advlock_unlock(nfsnode_t, struct nfs_open_file *, struct nfs_lock_owner *, uint64_t, uint64_t, int, vfs_context_t); nfsnode_t nfs4_named_attr_dir_get(nfsnode_t, int, vfs_context_t); int nfs4_named_attr_get(nfsnode_t, struct componentname *, uint32_t, int, vfs_context_t, nfsnode_t *, struct nfs_open_file **); int nfs4_named_attr_remove(nfsnode_t, nfsnode_t, const char *, vfs_context_t); int nfs_mount_state_in_use_start(struct nfsmount *, thread_t); int nfs_mount_state_in_use_end(struct nfsmount *, int); int nfs_mount_state_error_should_restart(int); int nfs_mount_state_error_delegation_lost(int); uint nfs_mount_state_max_restarts(struct nfsmount *); int nfs_mount_state_wait_for_recovery(struct nfsmount *); void nfs_need_recover(struct nfsmount *nmp, int error); void nfs_recover(struct nfsmount *); int nfs_vnop_access(struct vnop_access_args *); int nfs_vnop_remove(struct vnop_remove_args *); int nfs_vnop_read(struct vnop_read_args *); int nfs_vnop_write(struct vnop_write_args *); int nfs_vnop_open(struct vnop_open_args *); int nfs_vnop_close(struct vnop_close_args *); int nfs_vnop_advlock(struct vnop_advlock_args *); int nfs_vnop_mmap(struct vnop_mmap_args *); int nfs_vnop_mnomap(struct vnop_mnomap_args *); int nfs4_vnop_create(struct vnop_create_args *); int nfs4_vnop_mknod(struct vnop_mknod_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_getxattr(struct vnop_getxattr_args *); int nfs4_vnop_setxattr(struct vnop_setxattr_args *); int nfs4_vnop_removexattr(struct vnop_removexattr_args *); int nfs4_vnop_listxattr(struct vnop_listxattr_args *); #if NAMEDSTREAMS int nfs4_vnop_getnamedstream(struct vnop_getnamedstream_args *); int nfs4_vnop_makenamedstream(struct vnop_makenamedstream_args *); int nfs4_vnop_removenamedstream(struct vnop_removenamedstream_args *); #endif int nfs_read_rpc(nfsnode_t, uio_t, vfs_context_t); int nfs_write_rpc(nfsnode_t, uio_t, vfs_context_t, int *, uint64_t *); int nfs_write_rpc2(nfsnode_t, uio_t, thread_t, kauth_cred_t, int *, uint64_t *); int nfs3_access_rpc(nfsnode_t, u_int32_t *, int, vfs_context_t); int nfs4_access_rpc(nfsnode_t, u_int32_t *, int, vfs_context_t); int nfs3_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, int, vfs_context_t, struct nfs_vattr *, u_int64_t *); int nfs4_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, int, vfs_context_t, struct nfs_vattr *, u_int64_t *); int nfs3_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t); int nfs4_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t); 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 *, uio_t, size_t *, int *); int nfs4_read_rpc_async_finish(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *); int nfs3_write_rpc_async(nfsnode_t, uio_t, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); int nfs4_write_rpc_async(nfsnode_t, uio_t, 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 nfsbuf *, vfs_context_t); int nfs4_readdir_rpc(nfsnode_t, struct nfsbuf *, 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, uint64_t, uint64_t, kauth_cred_t, uint64_t); int nfs4_commit_rpc(nfsnode_t, uint64_t, uint64_t, kauth_cred_t, uint64_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, char *, int, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); int nfs4_lookup_rpc_async_finish(nfsnode_t, char *, int, 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); int nfs3_setlock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); int nfs4_setlock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); int nfs3_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, thread_t, kauth_cred_t); int nfs4_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, thread_t, kauth_cred_t); int nfs3_getlock_rpc(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); int nfs4_getlock_rpc(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, 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 **); #if CONFIG_FSE void nfsrv_fmod_timer(void *, void *); #endif 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, void *, 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); int nfs_use_cache(struct nfsmount *); void nfs_up(struct nfsmount *, thread_t, int, const char *); void nfs_down(struct nfsmount *, thread_t, int, int, const char *, int); int nfs_msg(thread_t, const char *, const char *, int); int nfs_mountroot(void); struct nfs_diskless; int nfs_boot_init(struct nfs_diskless *); int nfs_boot_getfh(struct nfs_diskless *, int, int); #if CONFIG_TRIGGERS resolver_result_t nfs_mirror_mount_trigger_resolve(vnode_t, const struct componentname *, enum path_operation, int, void *, vfs_context_t); resolver_result_t nfs_mirror_mount_trigger_unresolve(vnode_t, int, void *, vfs_context_t); resolver_result_t nfs_mirror_mount_trigger_rearm(vnode_t, int, void *, vfs_context_t); int nfs_mirror_mount_domount(vnode_t, vnode_t, vfs_context_t); void nfs_ephemeral_mount_harvester_start(void); void nfs_ephemeral_mount_harvester(__unused void *arg, __unused wait_result_t wr); #endif /* socket upcall interfaces */ void nfsrv_uc_init(void); void nfsrv_uc_cleanup(void); void nfsrv_uc_addsock(struct nfsrv_sock *, int); void nfsrv_uc_dequeue(struct nfsrv_sock *); /* Debug support */ #define NFS_DEBUG_LEVEL (nfs_debug_ctl & 0xf) #define NFS_DEBUG_FACILITY ((nfs_debug_ctl >> 4) & 0xff) #define NFS_DEBUG_FLAGS ((nfs_debug_ctl >> 12) & 0xff) #define NFS_DEBUG_VALUE ((nfs_debug_ctl >> 20) & 0xfff) #define NFS_FAC_SOCK 0x01 #define NFS_FAC_STATE 0x02 #define NFS_FAC_NODE 0x04 #define NFS_FAC_VNOP 0x08 #define NFS_FAC_BIO 0x10 #define NFS_FAC_GSS 0x20 #define NFS_FAC_VFS 0x40 #define NFS_DBG(fac, lev, fmt, ...) \ if (__builtin_expect(NFS_DEBUG_LEVEL, 0)) nfs_printf(fac, lev, "%s: %d: " fmt, __func__, __LINE__, ## __VA_ARGS__) void nfs_printf(int, int, const char *, ...) __printflike(3,4); int nfs_mountopts(struct nfsmount *, char *, int); __END_DECLS #endif /* KERNEL */ #endif /* __APPLE_API_PRIVATE */ #endif