X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..a991bd8d3e7fe02dbca0644054bab73c5b75324a:/bsd/nfs/nfs.h
diff --git a/bsd/nfs/nfs.h b/bsd/nfs/nfs.h
index 9e05d983b..a27fa20e5 100644
--- a/bsd/nfs/nfs.h
+++ b/bsd/nfs/nfs.h
@@ -1,17 +1,20 @@
/*
- * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * 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,
@@ -19,8 +22,8 @@
* 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
@@ -66,76 +69,75 @@
#define _NFS_NFS_H_
#include <sys/appleapiopts.h>
+#include <sys/cdefs.h>
#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_MAXPORT 0xffff
+#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)
+#define NFS_PORT_INVALID(port) \
+ (((port) > NFS_MAXPORT) || ((port) < 0))
/*
* 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
/*
@@ -146,113 +148,594 @@
* (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 */
+
+#define NFS_STRLEN_INT(str) \
+ (int)strnlen(str, INT_MAX)
+#define NFS_UIO_ADDIOV(a_uio, a_baseaddr, a_length) \
+ assert(a_length <= UINT32_MAX); uio_addiov(a_uio, a_baseaddr, (uint32_t)(a_length));
+#define NFS_BZERO(off, bytes) \
+ do { \
+ uint32_t bytes32 = bytes > UINT32_MAX ? UINT32_MAX : (uint32_t)(bytes); \
+ bzero(off, bytes32); \
+ if (bytes > UINT32_MAX) { \
+ bzero(off + bytes32, (uint32_t)(bytes - UINT32_MAX)); \
+ } \
+ } while(0);
+#define NFS_ZFREE(zone, ptr) \
+ do { \
+ if ((ptr)) { \
+ zfree((zone), (ptr)); \
+ (ptr) = NULL; \
+ } \
+ } while (0); \
+
+/* 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
+ uint8_t 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 */
+ uint8_t 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_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 */
+};
+
+#ifdef KERNEL
+/* LP64 version of nfsd_args. all pointers and longs
+ * grow when we're dealing with a 64-bit process.
+ * WARNING - keep in sync with nfsd_args
+ */
+struct user_nfsd_args {
+ int sock; /* Socket to serve */
+ user_addr_t name __attribute((aligned(8))); /* Client addr for connection based sockets */
+ int namelen; /* Length of name */
+};
+
+#endif // KERNEL
+
+/*
+ * NFS Server File Handle structures
+ */
+
+/* NFS export handle identifies which NFS export */
+#define NFS_FH_VERSION 0x4e580000 /* 'NX00' */
+struct nfs_exphandle {
+ uint32_t nxh_version; /* data structure version */
+ uint32_t nxh_fsid; /* File System Export ID */
+ uint32_t nxh_expid; /* Export ID */
+ uint16_t nxh_flags; /* export handle flags */
+ uint8_t nxh_reserved; /* future use */
+ uint32_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 */
+ uint64_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;
+ time_t tm_start;
+ time_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;
+ time_t tm_start;
+ time_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;
};
-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 */
+
+/* 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 */
};
-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 */
+/* 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
*/
@@ -261,611 +744,861 @@ 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 <sys/_types/_guid_t.h> /* 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 */
+#define NFS_NFSZEROSTATS 7 /* zero nfs statistics */
-#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 <sys/kernel_types.h>
+#include <kern/thread_call.h>
+#include <sys/kdebug.h>
+
+#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_NFSBIO);
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 */
+ size_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;
+struct gss_seq {
+ SLIST_ENTRY(gss_seq) gss_seqnext;
+ uint32_t gss_seqnum;
+};
-/* 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. */
+/**
+ * nfsreq callback args
+ */
+struct nfsreq_cbargs {
+ off_t offset;
+ size_t length;
+ uint32_t stategenid;
+};
/*
- * 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 */
+ struct nfsreq_cbargs rcb_args; /* nfsreq 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 */
+ size_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 */
+ uint32_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 */
+ size_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_int64_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_tcp_sockbuf;
+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;
+ size_t ns_cc;
+ size_t ns_reclen;
+ int ns_reccnt;
+ int ns_sobufsize;
+ u_int32_t ns_sref;
+ time_t ns_timestamp; /* socket timestamp */
+ lck_mtx_t ns_wgmutex; /* mutex for write gather fields */
+ time_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 */
+ time_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_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));
+__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);
+long 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 *, size_t, int);
+int nfs_socket_create(struct nfsmount *, struct sockaddr *, uint8_t, 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 *);
+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_check_lockmode(struct nfsmount *, struct sockaddr *, int, int);
+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, uint8_t *, uint8_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_mmap_check(struct vnop_mmap_check_args *ap);
+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 *, size_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 *, size_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, time_t);
+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);
+
+#if XNU_KERNEL_PRIVATE
+#include <kern/kalloc.h>
+
+ZONE_VIEW_DECLARE(ZV_NFSDIROFF);
+extern zone_t nfs_buf_zone;
+extern zone_t nfsrv_descript_zone;
+extern zone_t nfsnode_zone;
+extern zone_t nfs_fhandle_zone;
+extern zone_t nfs_req_zone;
+extern zone_t nfsrv_descript_zone;
+extern zone_t nfsmnt_zone;
+
+#endif /* XNU_KERNEL_PRIVATE */
+__END_DECLS
+
+#endif /* KERNEL */
#endif /* __APPLE_API_PRIVATE */
#endif