X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..eb6b6ca394357805f2bdba989abae309f718b4d8:/bsd/nfs/nfs.h diff --git a/bsd/nfs/nfs.h b/bsd/nfs/nfs.h index d9385473a..60828d4c0 100644 --- a/bsd/nfs/nfs.h +++ b/bsd/nfs/nfs.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2018 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * 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 */ /* @@ -63,76 +69,72 @@ #define _NFS_NFS_H_ #include +#include #ifdef __APPLE_API_PRIVATE /* * Tunable constants for nfs */ -#define NFS_MAXIOVEC 34 -#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ -#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ -#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_MAXWINDOW 1024 /* Max number of outstanding requests */ -#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ -#define NFS_MAXGRPS 16 /* Max. size of groups list */ -#ifndef NFS_MINATTRTIMO -#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ -#endif -#ifndef NFS_MAXATTRTIMO -#define NFS_MAXATTRTIMO 60 -#endif -#define NFS_WSIZE 16384 /* Def. write data size <= 16K */ -#define NFS_RSIZE 16384 /* Def. read data size <= 16K */ -#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 4 /* Def. read ahead # blocks */ -#define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */ -#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ -#define NFS_MAXASYNCDAEMON 32 /* Max. number async_daemons runnable */ -#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ -#ifndef NFS_GATHERDELAY -#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ +#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_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 */ +#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 */ +#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 5 +#define NFS_TPRINTF_DELAY 30 + /* * Oddballs */ -#define NMOD(a) ((a) % nfs_asyncdaemons) #define NFS_CMPFH(n, f, s) \ ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) -#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) -#define NFS_SRVMAXDATA(n) \ - (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ - NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) - -/* - * XXX - * The NB_INVAFTERWRITE flag should be set to whatever is required by the - * buffer cache code to say "Invalidate the block after it is written back". - */ -#ifdef __FreeBSD__ -#define NB_INVAFTERWRITE NB_NOCACHE -#else -#define NB_INVAFTERWRITE NB_INVAL -#endif +#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 +#define IO_METASYNC 0 #endif /* @@ -143,116 +145,575 @@ * (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 -#define NFS_UIDALLOC 128 + * 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 */ +#define NFS_MATTR_NFS_VERSION_RANGE 27 /* Packed version range to try */ +#define NFS_MATTR_KERB_ETYPE 28 /* Enctype to use for kerberos mounts */ +#define NFS_MATTR_LOCAL_NFS_PORT 29 /* Unix domain socket for NFS protocol */ +#define NFS_MATTR_LOCAL_MOUNT_PORT 30 /* Unix domain socket for MOUNT protocol */ +#define NFS_MATTR_SET_MOUNT_OWNER 31 /* Set owner of mount point */ + +/* 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_NAMEDATTR 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 */ +/* 18 reserved */ +#define NFS_MFLAG_NOOPAQUE_AUTH 19 /* don't make the mount AUTH_OPAQUE. Used by V3 */ + +/* Macros for packing and unpacking packed versions */ +#define PVER2MAJOR(M) ((uint32_t)(((M) >> 16) & 0xffff)) +#define PVER2MINOR(m) ((uint32_t)((m) & 0xffff)) +#define VER2PVER(M, m) ((uint32_t)((M) << 16) | ((m) & 0xffff)) + +/* 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 */ + + +/* Supported encryption types for kerberos session keys */ +typedef enum nfs_supported_kerberos_etypes { + NFS_DES3_CBC_SHA1_KD = 16, + NFS_AES128_CTS_HMAC_SHA1_96 = 17, + NFS_AES256_CTS_HMAC_SHA1_96 = 18 +} nfs_supported_kerberos_etypes; + +/* Structure to hold an array of kerberos enctypes to allow on a mount */ +#define NFS_MAX_ETYPES 3 +struct nfs_etype { + uint32_t count; + uint32_t selected; /* index in etypes that is being used. Set to count if nothing has been selected */ + nfs_supported_kerberos_etypes etypes[NFS_MAX_ETYPES]; +}; /* - * Arguments to mount NFS + * Old-style arguments to mount NFS */ -#define NFS_ARGSVERSION 3 /* change when nfs_args changes */ +#define NFS_ARGSVERSION 6 /* 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; /* Term (sec) of lease */ - int deadthresh; /* Retrans threshold */ - char *hostname; /* server's name */ + 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 /* - * 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_NQNFS 0x00000100 /* Use Nqnfs protocol */ -#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ -#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */ -#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ -#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */ -#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ -#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */ -#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 NFSSTA_LOCKTIMEO 0x00002000 /* experienced a lock req timeout */ -#define NFSSTA_MOUNTED 0x00004000 /* completely mounted */ -#define NFSSTA_LOCKSWORK 0x00008000 /* lock ops have worked. */ -#define NFSSTA_TIMEO 0x00010000 /* experienced a timeout. */ -#define NFSSTA_FORCE 0x00020000 /* doing a forced unmount. */ -#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */ -#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */ -#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */ -#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */ -#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */ -#define NFSSTA_DISMNT 0x00800000 /* Dismounted */ -#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */ -#define NFSSTA_WANTSND 0x02000000 /* Want above */ -#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */ -#define NFSSTA_WANTRCV 0x08000000 /* Want above */ -#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */ -#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */ -#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */ -#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */ + * 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 and mount_nfs + * 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 */ + 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 */ }; -struct nfsd_srvargs { - struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ - uid_t nsd_uid; /* Effective uid mapped to cred */ - u_long nsd_haddr; /* Ip address of client */ - struct ucred nsd_cr; /* Cred. uid maps to */ - int nsd_authlen; /* Length of auth string (ret) */ - u_char *nsd_authstr; /* Auth string (ret) */ - int nsd_verflen; /* and the verfier */ - u_char *nsd_verfstr; - struct timeval nsd_timestamp; /* timestamp from verifier */ - u_long nsd_ttl; /* credential ttl (sec) */ - NFSKERBKEY_T nsd_key; /* Session key */ +#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 */ }; -struct nfsd_cargs { - char *ncd_dirp; /* Mount dir path */ - uid_t ncd_authuid; /* Effective uid */ - int ncd_authtype; /* Type of authenticator */ - int ncd_authlen; /* Length of authenticator string */ - u_char *ncd_authstr; /* Authenticator string */ - int ncd_verflen; /* and the verifier */ - u_char *ncd_verfstr; - NFSKERBKEY_T ncd_key; /* Session key */ +#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 */ +}; + +/* 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 */ @@ -261,617 +722,834 @@ struct nfsd_cargs { * 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 srvnqnfs_leases; - int srvnqnfs_maxleases; - int srvnqnfs_getleases; - int srvvop_writes; - int pageins; - int pageouts; + 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_BIOD 0x002 -#define NFSSVC_NFSD 0x004 -#define NFSSVC_ADDSOCK 0x008 -#define NFSSVC_AUTHIN 0x010 -#define NFSSVC_GOTAUTH 0x040 -#define NFSSVC_AUTHINFAIL 0x080 -#define NFSSVC_MNTD 0x100 +#define NFSSVC_NFSD 0x004 +#define NFSSVC_ADDSOCK 0x008 +#define NFSSVC_EXPORT 0x200 /* * Flags for nfsclnt() system call. */ -#define NFSCLNT_LOCKDANS 0x200 -#define NFSCLNT_LOCKDFD 0x400 -#define NFSCLNT_LOCKDWAIT 0x800 +#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_lookup; /* 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 */ +}; + +#define NTM_ID2NAME 0 +#define NTM_NAME2ID 1 +#define NTM_NAME2GUID 2 +#define NTM_GUID2NAME 3 /* * fs.nfs sysctl(3) identifiers */ -#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ -#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */ - -#define FS_NFS_NAMES { \ - { 0, 0 }, \ - { "nfsstats", CTLTYPE_STRUCT }, \ - { "nfsprivport", CTLTYPE_INT }, \ -} +#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_MUIDHASHSIZ -#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ -#endif #ifndef NFS_WDELAYHASHSIZ -#define NFS_WDELAYHASHSIZ 16 /* and with this */ +#define NFS_WDELAYHASHSIZ 16 /* and with this */ #endif -/* - * 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. - */ #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_NFSUID); -MALLOC_DECLARE(M_NQLEASE); MALLOC_DECLARE(M_NFSD); MALLOC_DECLARE(M_NFSBIGFH); #endif -struct uio; struct vattr; struct nameidata; /* XXX */ +struct vnode_attr; struct nameidata; struct dqblk; struct sockaddr_in; /* XXX */ struct nfsbuf; - -#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ - sigmask(SIGHUP)|sigmask(SIGQUIT)) +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; +struct direntry; /* - * Socket errors ignored for connectionless sockets?? - * For now, ignore them all + * 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 NFSIGNORE_SOERROR(s, e) \ - ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ - (e) != EIO && ((s) & PR_CONNREQUIRED) == 0) +#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ + sigmask(SIGHUP)|sigmask(SIGQUIT)) + +extern size_t nfs_mbuf_mhlen, nfs_mbuf_minclsize; /* - * Nfs outstanding request list element + * NFS mbuf chain structure used for managing the building/dissection of RPCs */ -struct nfsreq { - TAILQ_ENTRY(nfsreq) r_chain; - struct mbuf *r_mreq; - struct mbuf *r_mrep; - struct mbuf *r_md; - caddr_t r_dpos; - struct nfsmount *r_nmp; - struct vnode *r_vp; - u_long r_xid; - int r_flags; /* flags on request, see below */ - int r_retry; /* max retransmission count */ - int r_rexmit; /* current retrans count */ - int r_timer; /* tick counter on reply */ - u_int32_t r_procnum; /* NFS procedure number */ - int r_rtt; /* RTT for rpc */ - struct proc *r_procp; /* Proc that did I/O system call */ - long r_lastmsg; /* time of last tprintf */ +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 */ /* - * Queue head for nfsreq's + * Each retransmission of an RPCSEC_GSS request + * has an additional sequence number. */ -extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; - -/* Flag values for r_flags */ -#define R_TIMING 0x0001 /* timing request (in mntp) */ -#define R_SENT 0x0002 /* request has been sent */ -#define R_SOFTTERM 0x0004 /* soft mnt, too many retries */ -#define R_INTR 0x0008 /* intr mnt, signal pending */ -#define R_SOCKERR 0x0010 /* Fatal error on socket */ -#define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */ -#define R_MUSTRESEND 0x0040 /* Must resend request */ -#define R_GETONEREP 0x0080 /* Probe for one reply only */ -#define R_BUSY 0x0100 /* Locked. */ -#define R_WAITING 0x0200 /* Someone waiting for lock. */ -#define R_RESENDERR 0x0400 /* resend failed. */ +struct gss_seq { + SLIST_ENTRY(gss_seq) gss_seqnext; + uint32_t gss_seqnum; +}; /* - * A list of nfssvc_sock structures is maintained with all the sockets - * that require service by the nfsd. - * The nfsuid structs hang off of the nfssvc_sock structs in both lru - * and uid hash lists. + * async NFS request callback info */ -#ifndef NFS_UIDHASHSIZ -#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ -#endif -#define NUIDHASH(sock, uid) \ - (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) -#define NWDELAYHASH(sock, f) \ - (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ]) -#define NMUIDHASH(nmp, uid) \ - (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) -#define NFSNOHASH(fhsum) \ - (&nfsnodehashtbl[(fhsum) & nfsnodehash]) +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 */ +}; /* - * Network address hash list element + * 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. */ -union nethostaddr { - u_long had_inetaddr; - struct mbuf *had_nam; +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) -struct nfsuid { - TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ - LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ - int nu_flag; /* Flags */ - union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ - struct ucred nu_cr; /* Cred uid mapped to */ - int nu_expire; /* Expiry time (sec) */ - struct timeval nu_timestamp; /* Kerb. timestamp */ - u_long nu_nickname; /* Nickname on server */ - NFSKERBKEY_T nu_key; /* and session key */ +/* + * 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 */ }; -#define nu_inetaddr nu_haddr.had_inetaddr -#define nu_nam nu_haddr.had_nam -/* Bits for nu_flag */ -#define NU_INETADDR 0x1 -#define NU_NAM 0x2 -#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) - -#ifdef notyet -/* XXX CSM 12/2/97 When/if we merge queue.h */ -struct nfsrv_rec { - STAILQ_ENTRY(nfsrv_rec) nr_link; - struct sockaddr *nr_address; - struct mbuf *nr_packet; +/* + * 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 */ + +/* 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_IOD 0x00020000 /* request is being managed by an IOD */ + +#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; +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, nfs_root_steals_ctx; +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_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 */ }; -#endif -struct nfssvc_sock { - TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ - TAILQ_HEAD(, nfsuid) ns_uidlruhead; - struct file *ns_fp; - struct socket *ns_so; - struct mbuf *ns_nam; - struct mbuf *ns_raw; - struct mbuf *ns_rawend; - struct mbuf *ns_rec; - struct mbuf *ns_recend; - struct mbuf *ns_frag; - short ns_flag; /* modified under kernel funnel */ - short ns_nflag; /* modified under network funnel */ - int ns_solock; - int ns_cc; - int ns_reclen; - int ns_numuids; - u_long ns_sref; - LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ - LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; - LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; +/* + * 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 0x01 /* ns_flag */ -#define SLP_DOREC 0x02 /* ns_flag */ -#define SLPN_NEEDQ 0x04 /* ns_nflag */ -#define SLPN_DISCONN 0x08 /* ns_nflag */ -#define SLPN_GETSTREAM 0x10 /* ns_nflag */ -#define SLPN_LASTFRAG 0x20 /* ns_nflag */ -#define SLP_ALLFLAGS 0xff /* ns_flag && ns_nflag */ +/* 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 TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; -extern int nfssvc_sockhead_flag; -#define SLP_INIT 0x01 -#define SLP_WANTINIT 0x02 +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_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 */ - int nfsd_flag; /* NFSD_ flags */ - struct nfssvc_sock *nfsd_slp; /* Current socket */ - int nfsd_authlen; /* Authenticator len */ - u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ - int nfsd_verflen; /* and the Verifier */ - u_char nfsd_verfstr[RPCVERF_MAXSIZ]; - struct proc *nfsd_procp; /* Proc ptr */ - struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ + 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 -#define NFSD_NEEDAUTH 0x04 -#define NFSD_AUTHFAIL 0x08 +#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 mbuf *nd_mrep; /* Request mbuf list */ - struct mbuf *nd_md; /* Current dissect mbuf */ - struct mbuf *nd_mreq; /* Reply mbuf list */ - struct mbuf *nd_nam; /* and socket addr */ - struct mbuf *nd_nam2; /* return socket addr */ - caddr_t nd_dpos; /* Current dissect pos */ - u_int32_t nd_procnum; /* RPC # */ - int nd_stable; /* storage type */ - int nd_flag; /* nd_flag */ - int nd_len; /* Length of this write */ - int nd_repstat; /* Reply status */ - u_long nd_retxid; /* Reply xid */ - u_long nd_duration; /* Lease duration */ - struct timeval nd_starttime; /* Time RPC initiated */ - fhandle_t nd_fh; /* File handle */ - struct ucred nd_cr; /* Credentials */ + 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 */ }; -/* Bits for "nd_flag" */ -#define ND_READ LEASE_READ -#define ND_WRITE LEASE_WRITE -#define ND_CHECK 0x04 -#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) -#define ND_NFSV3 0x08 -#define ND_NQNFS 0x10 -#define ND_KERBNICK 0x20 -#define ND_KERBFULL 0x40 -#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) - -extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; -extern int nfsd_head_flag; -#define NFSD_CHECKSLP 0x01 +extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue; -/* - * These macros compare nfsrv_descript structures. - */ -#define NFSW_CONTIG(o, n) \ - ((o)->nd_eoff >= (n)->nd_off && \ - !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) +typedef int (*nfsrv_proc_t)(struct nfsrv_descript *, struct nfsrv_sock *, + vfs_context_t, mbuf_t *); -#define NFSW_SAMECRED(o, n) \ - (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ - !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ - sizeof (struct ucred))) +/* mutex for nfs server */ +extern lck_mtx_t *nfsd_mutex; +extern int nfsd_thread_count, nfsd_thread_max; -/* - * Defines for WebNFS - */ +/* request list mutex */ +extern lck_mtx_t *nfs_request_mutex; +extern int nfs_request_timer_on; -#define WEBNFS_ESC_CHAR '%' -#define WEBNFS_SPECCHAR_START 0x80 +/* mutex for nfs client globals */ +extern lck_mtx_t *nfs_global_mutex; -#define WEBNFS_NATIVE_CHAR 0x80 -/* - * .. - * Possibly more here in the future. - */ +#if CONFIG_NFS4 +/* NFSv4 callback globals */ +extern int nfs4_callback_timer_on; +extern in_port_t nfs4_cb_port, nfs4_cb_port6; -/* - * Macro for converting escape characters in WebNFS pathnames. - * Should really be in libkern. - */ - -#define HEXTOC(c) \ - ((c) >= 'a' ? ((c) - ('a' - 10)) : \ - ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) -#define HEXSTRTOI(p) \ - ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) - -#define NFSDIAG 0 -#if NFSDIAG - -extern int nfs_debug; -#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */ -#define NFS_DEBUG_WG 2 /* server write gathering */ -#define NFS_DEBUG_RC 4 /* server request caching */ -#define NFS_DEBUG_SILLY 8 /* nfs_sillyrename (.nfsXXX aka turd files) */ -#define NFS_DEBUG_DUP 16 /* debug duplicate requests */ -#define NFS_DEBUG_ATTR 32 - -#define NFS_DPF(cat, args) \ - do { \ - if (nfs_debug & NFS_DEBUG_##cat) kprintf args; \ - } while (0) +/* nfs 4 default domain for user mapping */ +extern char nfs4_default_domain[MAXPATHLEN]; +/* nfs 4 timer call structure */ +extern thread_call_t nfs4_callback_timer_call; +#endif -#else +/* nfs timer call structures */ +extern thread_call_t nfs_request_timer_call; +extern thread_call_t nfs_buf_timer_call; +extern thread_call_t nfsrv_idlesock_timer_call; +#if CONFIG_FSE +extern thread_call_t nfsrv_fmod_timer_call; +#endif -#define NFS_DPF(cat, args) - -#endif /* NFSDIAG */ - -int nfs_init __P((struct vfsconf *vfsp)); -int nfs_reply __P((struct nfsreq *)); -int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int)); -int nfs_send __P((struct socket *, struct mbuf *, struct mbuf *, - struct nfsreq *)); -int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *, - int, int, u_quad_t *, struct mbuf **, struct mbuf **, - caddr_t *)); -int nfs_sndlock __P((struct nfsreq *)); -void nfs_sndunlock __P((struct nfsreq *)); -int nfs_slplock __P((struct nfssvc_sock *, int)); -void nfs_slpunlock __P((struct nfssvc_sock *)); -int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); -int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *, - int)); -int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *, - int *)); -int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_asyncio __P((struct nfsbuf *, struct ucred *)); -int nfs_doio __P((struct nfsbuf *, struct ucred *, struct proc *)); -int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *)); -int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *)); -int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *)); -void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *, - struct nfs_fattr *)); -void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int, - struct vattr *, struct mbuf **, char **)); -void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *, - struct mbuf **, char **)); -int netaddr_match __P((int, union nethostaddr *, struct mbuf *)); -int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *, - struct ucred *, struct mbuf **, struct mbuf **, - caddr_t *, u_int64_t *)); -int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *, - struct vattr *, int, u_int64_t *)); -int nfs_namei __P((struct nameidata *, fhandle_t *, int, - struct nfssvc_sock *, struct mbuf *, struct mbuf **, - caddr_t *, struct vnode **, struct proc *, int, int)); -void nfsm_adj __P((struct mbuf *, int, int)); -int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *)); -void nfsrv_initcache __P((void)); -int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *, - char **, int *, char *, int *, NFSKERBKEY_T)); -int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, - int *, char *, int)); -int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, - NFSKERBKEY_T, struct mbuf **, char **, - struct mbuf *)); -int nfs_adv __P((struct mbuf **, caddr_t *, int, int)); -void nfs_nhinit __P((void)); -void nfs_timer __P((void*)); -u_long nfs_hash __P((nfsfh_t *, int)); -int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *, - struct nfsrv_descript **)); -int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *, - struct mbuf **)); -void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *)); -void nfsrv_cleancache __P((void)); -int nfs_bind_resv_thread_wake __P((void)); -int nfs_connect __P((struct nfsmount *, struct nfsreq *)); -void nfs_disconnect __P((struct nfsmount *)); -int nfs_getattrcache __P((struct vnode *, struct vattr *)); -int nfsm_strtmbuf __P((struct mbuf **, char **, char *, long)); -int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *, - int)); -int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *)); -void nfsrv_init __P((int)); -int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt, - struct ucred *cred, struct proc *procp)); -int nfs_flushcommits(struct vnode *, struct proc *); -void nfs_clearcommit __P((struct mount *)); -int nfsrv_errmap __P((struct nfsrv_descript *, int)); -void nfsrvw_sort __P((gid_t *, int)); -void nfsrv_setcred __P((struct ucred *, struct ucred *)); -int nfs_buf_write __P((struct nfsbuf *)); -int nfsrv_object_create __P((struct vnode *)); -void nfsrv_wakenfsd __P((struct nfssvc_sock *slp)); -int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *, - struct proc *, struct mbuf **)); -int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *, - struct proc *p)); - -int nfsrv3_access __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *, - struct nfssvc_sock *, struct mbuf *, int *, - int, int)); -int nfsrv_setpublicfs __P((struct mount *, struct netexport *, - struct export_args *)); -int nfs_ispublicfh __P((fhandle_t *)); -int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_pathconf __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct proc *procp, - struct mbuf **mrq)); -int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_readdir __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct proc *procp, - struct mbuf **mrq)); -int nfsrv_readlink __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, struct proc *procp, - struct mbuf **mrq)); -int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_setattr __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_statfs __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_symlink __P((struct nfsrv_descript *nfsd, - struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp, - struct proc *procp, struct mbuf **mrq)); -void nfsrv_rcv __P((struct socket *so, caddr_t arg, int waitflag)); -void nfsrv_slpderef __P((struct nfssvc_sock *slp)); - -void nfs_up(struct nfsreq *, struct nfsmount *, struct proc *, - const char *, int); -void nfs_down(struct nfsreq *, struct nfsmount *, struct proc *, - const char *, int, int); +__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); + +#if CONFIG_NFS4 +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 nfs4_default_attrs_for_referral_trigger(nfsnode_t, char *, int, struct nfs_vattr *, fhandle_t *); +#endif -/* - * NFSTRACE points were changed to FSDBG (KERNEL_DEBUG) - * But some of this code may prove useful someday... - */ -#undef NFSDIAG -#if NFSDIAG - -extern int nfstraceindx; -#define NFSTBUFSIZ 8912 -struct nfstracerec { uint i1, i2, i3, i4; }; -extern struct nfstracerec nfstracebuf[NFSTBUFSIZ]; -extern uint nfstracemask; /* 32 bits - trace points over 31 are unconditional */ - -/* 0x0000000f nfs_getattrcache trace points */ -#define NFSTRC_GAC_MISS 0x00 /* 0x00000001 cache miss */ -#define NFSTRC_GAC_HIT 0x01 /* 0x00000002 cache hit */ -#define NFSTRC_GAC_NP 0x02 /* 0x00000004 np size mismatch - vp... */ -/* 0x00000038 nfs_loadattrcache trace points */ -#define NFSTRC_LAC 0x03 /* 0x00000008 function entry point - vp */ -#define NFSTRC_LAC_INIT 0x04 /* 0x00000010 new vp & init n_mtime - vp */ -#define NFSTRC_LAC_NP 0x05 /* 0x00000020 np size mismatch - vp... */ -/* 0x000000c0 nfs_getattr trace points */ -#define NFSTRC_GA_INV 0x06 /* 0x00000040 times mismatch - vp */ -#define NFSTRC_GA_INV1 0x07 /* 0x00000080 invalidate ok - vp */ -/* 0x00000100 vmp_invalidate trace points */ -#define NFSTRC_VMP_INV 0x08 /* 0x00000100 function entry point - vmp */ -/* 0x00000200 nfs_request trace points */ -#define NFSTRC_REQ 0x09 /* 0x00000200 - alternates vp and procnum */ -/* 0x00000c00 vmp_push_range trace points */ -#define NFSTRC_VPR 0xa /* 0x00000400 entry point - vp... */ -#define NFSTRC_VPR_DONE 0xb /* 0x00000800 tail exit - error # */ -/* 0x00003000 nfs_doio trace points */ -#define NFSTRC_DIO 0xc /* 0x00001000 entry point - vp */ -#define NFSTRC_DIO_DONE 0xd /* 0x00002000 exit points - vp */ -/* 0x000fc000 congestion window trace points */ -#define NFSTRC_CWND_INIT 0xe -#define NFSTRC_CWND_REPLY 0xf -#define NFSTRC_CWND_TIMER 0x10 -#define NFSTRC_CWND_REQ1 0x11 -#define NFSTRC_CWND_REQ2 0x12 -#define NFSTRC_CWND_SOFT 0x13 -/* 0xfff00000 nfs_rcvlock & nfs_rcvunlock trace points */ -#define NFSTRC_ECONN 0x14 -#define NFSTRC_RCVERR 0x15 -#define NFSTRC_REQFREE 0x16 -#define NFSTRC_NOTMINE 0x17 -#define NFSTRC_6 0x18 -#define NFSTRC_7 0x19 -#define NFSTRC_RCVLCKINTR 0x1a -#define NFSTRC_RCVALREADY 0x1b -#define NFSTRC_RCVLCKW 0x1c /* 0x10000000 seeking recieve lock (waiting) */ -#define NFSTRC_RCVLCK 0x1d /* 0x20000000 getting recieve lock */ -#define NFSTRC_RCVUNLW 0x1e /* 0x40000000 releasing rcv lock w/ wakeup */ -#define NFSTRC_RCVUNL 0x1f /* 0x80000000 releasing rcv lock w/o wakeup */ -/* trace points beyond 31 are on if any of above points are on */ -#define NFSTRC_GA_INV2 0x20 /* nfs_getattr invalidate - error# */ -#define NFSTRC_VBAD 0x21 -#define NFSTRC_REQERR 0x22 -#define NFSTRC_RPCERR 0x23 -#define NFSTRC_DISSECTERR 0x24 -#define NFSTRC_CONTINUE 0xff /* continuation record for previous entry */ - -#define NFSTRACEX(a1, a2, a3, a4) \ -( \ - nfstracebuf[nfstraceindx].i1 = (uint)(a1), \ - nfstracebuf[nfstraceindx].i2 = (uint)(a2), \ - nfstracebuf[nfstraceindx].i3 = (uint)(a3), \ - nfstracebuf[nfstraceindx].i4 = (uint)(a4), \ - nfstraceindx = (nfstraceindx + 1) % NFSTBUFSIZ, \ - 1 \ -) - -#define NFSTRACE(cnst, fptr) \ -( \ - (nfstracemask && ((cnst) > 31 || nfstracemask & 1<<(cnst))) ? \ - NFSTRACEX((cnst), (fptr), current_thread(), \ - clock_get_system_value().tv_nsec) : \ - 0 \ -) - -#define NFSTRACE4(cnst, fptr, a2, a3, a4) \ -( \ - NFSTRACE(cnst,fptr) ? \ - NFSTRACEX(NFSTRC_CONTINUE, a2, a3, a4) : \ - 0 \ -) - -#else /* NFSDIAG */ - -# define NFSTRACE(cnst, fptr) -# define NFSTRACE4(cnst, fptr, a2, a3, a4) - -#endif /* NFSDIAG */ - -#endif /* KERNEL */ +void nfs_fs_locations_cleanup(struct nfs_fs_locations *); + +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); + +#if CONFIG_NFS4 +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 *, size_t *, int); + +int nfs4_parsefattr(struct nfsm_chain *, struct nfs_fsattr *, struct nfs_vattr *, fhandle_t *, struct dqblk *, struct nfs_fs_locations *); +#endif + +int nfs_parsefattr(struct nfsmount *nmp, struct nfsm_chain *, int, + struct nfs_vattr *); +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); +void nfs_rdirplus_update_node_attrs(nfsnode_t, struct direntry *, fhandle_t *, struct nfs_vattr *, uint64_t *); +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 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 nfs_check_for_locks(struct nfs_open_owner *, struct nfs_open_file *); +int nfs_close(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_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 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); + +#if CONFIG_NFS4 +int nfs4_create_rpc(vfs_context_t, nfsnode_t, struct componentname *, struct vnode_attr *, int, char *, nfsnode_t *); +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 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_lock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); +int nfs4_delegreturn_rpc(struct nfsmount *, u_char *, int, struct nfs_stateid *, int, thread_t, kauth_cred_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); +#endif + +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 *); + +#if CONFIG_NFS4 +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 nfs4_access_rpc(nfsnode_t, u_int32_t *, int, vfs_context_t); +int nfs4_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, int, vfs_context_t, struct nfs_vattr *, u_int64_t *); +int nfs4_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t); +int nfs4_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); +int nfs4_read_rpc_async_finish(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *); +int nfs4_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_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); +int nfs4_readdir_rpc(nfsnode_t, struct nfsbuf *, vfs_context_t); +int nfs4_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); +int nfs4_commit_rpc(nfsnode_t, uint64_t, uint64_t, kauth_cred_t, uint64_t); +int nfs4_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); +int nfs4_lookup_rpc_async_finish(nfsnode_t, char *, int, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); +int nfs4_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); +int nfs4_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); +int nfs4_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); +int nfs4_setlock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, 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 nfs4_getlock_rpc(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); +#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 nfs3_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 nfs3_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 nfs3_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 nfs3_readdir_rpc(nfsnode_t, struct nfsbuf *, vfs_context_t); +int nfs3_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 nfs3_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 nfs3_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 nfs3_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 nfs3_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); + +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_idlesock_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 **); +int nfsrv_check_exports_allow_address(mbuf_t); +#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) & 0xfff) +#define NFS_DEBUG_FLAGS ((nfs_debug_ctl >> 16) & 0xf) +#define NFS_DEBUG_VALUE ((nfs_debug_ctl >> 20) & 0xfff) +#define NFS_FAC_SOCK 0x001 +#define NFS_FAC_STATE 0x002 +#define NFS_FAC_NODE 0x004 +#define NFS_FAC_VNOP 0x008 +#define NFS_FAC_BIO 0x010 +#define NFS_FAC_GSS 0x020 +#define NFS_FAC_VFS 0x040 +#define NFS_FAC_SRV 0x080 + +#define NFS_IS_DBG(fac, lev) \ + (__builtin_expect((NFS_DEBUG_FACILITY & (fac)) && ((lev) <= NFS_DEBUG_LEVEL), 0)) +#define NFS_DBG(fac, lev, fmt, ...) nfs_printf((fac), (lev), "%s: %d: " fmt, __func__, __LINE__, ## __VA_ARGS__) + +void nfs_printf(unsigned int, unsigned int, const char *, ...) __printflike(3, 4); +void nfs_dump_mbuf(const char *, int, const char *, mbuf_t); +int nfs_mountopts(struct nfsmount *, char *, int); + +__END_DECLS + +#endif /* KERNEL */ #endif /* __APPLE_API_PRIVATE */ #endif