Cross Reference: /freebsd-10.0-release/sys/nfsclient/nfs.h

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nfs.h (17761)	nfs.h (19449)
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfs.h 8.1 (Berkeley) 6/10/93	1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)nfs.h 8.1 (Berkeley) 6/10/93
37 * $Id: nfs.h,v 1.17 1996/01/30 22:59:39 mpp Exp $	37 * $Id: nfs.h,v 1.18 1996/08/21 21:55:44 dyson Exp $
38 / 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43#include <nfs/rpcv2.h> 44 45/ 46 * Tunable constants for nfs 47 / 48 49#define NFS_MAXIOVEC 34 50#define NFS_TICKINTVL 5 / Desired time for a tick (msec) / 51#define NFS_HZ (hz / nfs_ticks) / Ticks/sec / 52#define NFS_TIMEO (1 NFS_HZ) /* Default timeout = 1 second / 53#define NFS_MINTIMEO (1 NFS_HZ) /* Min timeout to use / 54#define NFS_MAXTIMEO (60 NFS_HZ) /* Max timeout to backoff to / 55#define NFS_MINIDEMTIMEO (5 NFS_HZ) /* Min timeout for non-idempotent ops/ 56#define NFS_MAXREXMIT 100 / Stop counting after this many / 57#define NFS_MAXWINDOW 1024 / Max number of outstanding requests / 58#define NFS_RETRANS 10 / Num of retrans for soft mounts / 59#define NFS_MAXGRPS 16 / Max. size of groups list / 60#ifndef NFS_MINATTRTIMO 61#define NFS_MINATTRTIMO 5 / Attribute cache timeout in sec / 62#endif 63#ifndef NFS_MAXATTRTIMO 64#define NFS_MAXATTRTIMO 60 65#endif 66#define NFS_WSIZE 8192 / Def. write data size <= 8192 / 67#define NFS_RSIZE 8192 / Def. read data size <= 8192 / 68#define NFS_READDIRSIZE 8192 / Def. readdir size / 69#define NFS_DEFRAHEAD 1 / Def. read ahead # blocks / 70#define NFS_MAXRAHEAD 4 / Max. read ahead # blocks / 71#define NFS_MAXUIDHASH 64 / Max. # of hashed uid entries/mp / 72#define NFS_MAXASYNCDAEMON 20 / Max. number async_daemons runnable / 73#define NFS_MAXGATHERDELAY 100 / Max. write gather delay (msec) / 74#ifndef NFS_GATHERDELAY 75#define NFS_GATHERDELAY 10 / Default write gather delay (msec) / 76#endif 77#define NFS_DIRBLKSIZ 4096 / Must be a multiple of DIRBLKSIZ / 78 79/ 80 * Oddballs 81 / 82#define NMOD(a) ((a) % nfs_asyncdaemons) 83#define NFS_CMPFH(n, f, s) \ 84 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 85#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 86#define NFS_SRVMAXDATA(n) \ 87 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 88 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 89 90/ 91 * XXX 92 * sys/buf.h should be edited to change B_APPENDWRITE --> B_NEEDCOMMIT, but 93 * until then... 94 * Same goes for sys/malloc.h, which needs M_NFSDIROFF, 95 * M_NFSRVDESC and M_NFSBIGFH added. 96 * The VA_EXCLUSIVE flag should be added for va_vaflags and set for an 97 * exclusive create. 98 * The B_INVAFTERWRITE flag should be set to whatever is required by the 99 * buffer cache code to say "Invalidate the block after it is written back". 100 / 101#ifndef B_NEEDCOMMIT 102#define B_NEEDCOMMIT B_APPENDWRITE 103#endif 104#ifndef M_NFSRVDESC 105#define M_NFSRVDESC M_TEMP 106#endif 107#ifndef M_NFSDIROFF 108#define M_NFSDIROFF M_TEMP 109#endif 110#ifndef M_NFSBIGFH 111#define M_NFSBIGFH M_TEMP 112#endif 113#ifndef VA_EXCLUSIVE 114#define VA_EXCLUSIVE 0 115#endif 116#ifdef __FreeBSD__ 117#define B_INVAFTERWRITE B_NOCACHE 118#else 119#define B_INVAFTERWRITE B_INVAL 120#endif 121* 122/* 123 * These ifdefs try to handle the differences between the various 4.4BSD-Lite 124 * based vfs interfaces. 125 * btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to 126 * differentiate between NetBSD-1.0 and NetBSD-current, so.. 127 * I also don't know about BSDi's 2.0 release. 128 / 129#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__) 130#define HAS_VOPLEASE 1 131#endif 132#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__) 133#define HAS_VOPREVOKE 1 134#endif 135* 136/* 137 * The IO_METASYNC flag should be implemented for local file systems. 138 * (Until then, it is nothin at all.) 139 / 140#ifndef IO_METASYNC 141#define IO_METASYNC 0 142#endif 143* 144/* 145 * Set the attribute timeout based on how recently the file has been modified. 146 / 147#define NFS_ATTRTIMEO(np) \ 148* ((((np)->n_flag & NMODIFIED) \|\| \ 149 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 150 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 151 (time.tv_sec - (np)->n_mtime) / 10)) 152 153/* 154 * Expected allocation sizes for major data structures. If the actual size 155 * of the structure exceeds these sizes, then malloc() will be allocating 156 * almost twice the memory required. This is used in nfs_init() to warn 157 * the sysadmin that the size of a structure should be reduced. 158 * (These sizes are always a power of 2. If the kernel malloc() changes 159 * to one that does not allocate space in powers of 2 size, then this all 160 * becomes bunk!) 161 / 162#define NFS_NODEALLOC 256 163#define NFS_MNTALLOC 512 164#define NFS_SVCALLOC 256 165#define NFS_UIDALLOC 128 166* 167/* 168 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 169 * should ever try and use it. 170 / 171struct nfsd_args { 172* int sock; /* Socket to serve / 173* caddr_t name; /* Client address for connection based sockets / 174* int namelen; /* Length of name / 175}; 176* 177struct nfsd_srvargs { 178 struct nfsd nsd_nfsd; / Pointer to in kernel nfsd struct / 179* uid_t nsd_uid; /* Effective uid mapped to cred / 180* u_long nsd_haddr; /* Ip address of client / 181* struct ucred nsd_cr; /* Cred. uid maps to / 182* int nsd_authlen; /* Length of auth string (ret) / 183* u_char nsd_authstr; / Auth string (ret) / 184* int nsd_verflen; /* and the verfier / 185* u_char nsd_verfstr; 186* struct timeval nsd_timestamp; /* timestamp from verifier / 187* u_long nsd_ttl; /* credential ttl (sec) / 188* NFSKERBKEY_T nsd_key; /* Session key / 189}; 190* 191struct nfsd_cargs { 192 char ncd_dirp; / Mount dir path / 193* uid_t ncd_authuid; /* Effective uid / 194* int ncd_authtype; /* Type of authenticator / 195* int ncd_authlen; /* Length of authenticator string / 196* u_char ncd_authstr; / Authenticator string / 197* int ncd_verflen; /* and the verifier / 198* u_char ncd_verfstr; 199* NFSKERBKEY_T ncd_key; /* Session key / 200}; 201* 202/* 203 * Stats structure 204 / 205struct nfsstats { 206* int attrcache_hits; 207 int attrcache_misses; 208 int lookupcache_hits; 209 int lookupcache_misses; 210 int direofcache_hits; 211 int direofcache_misses; 212 int biocache_reads; 213 int read_bios; 214 int read_physios; 215 int biocache_writes; 216 int write_bios; 217 int write_physios; 218 int biocache_readlinks; 219 int readlink_bios; 220 int biocache_readdirs; 221 int readdir_bios; 222 int rpccnt[NFS_NPROCS]; 223 int rpcretries; 224 int srvrpccnt[NFS_NPROCS]; 225 int srvrpc_errs; 226 int srv_errs; 227 int rpcrequests; 228 int rpctimeouts; 229 int rpcunexpected; 230 int rpcinvalid; 231 int srvcache_inproghits; 232 int srvcache_idemdonehits; 233 int srvcache_nonidemdonehits; 234 int srvcache_misses; 235 int srvnqnfs_leases; 236 int srvnqnfs_maxleases; 237 int srvnqnfs_getleases; 238 int srvvop_writes; 239}; 240 241/* 242 * Flags for nfssvc() system call. 243 / 244#define NFSSVC_BIOD 0x002 245#define NFSSVC_NFSD 0x004 246#define NFSSVC_ADDSOCK 0x008 247#define NFSSVC_AUTHIN 0x010 248#define NFSSVC_GOTAUTH 0x040 249#define NFSSVC_AUTHINFAIL 0x080 250#define NFSSVC_MNTD 0x100 251* 252/* 253 * fs.nfs sysctl(3) identifiers 254 / 255#define NFS_NFSSTATS 1 / struct: struct nfsstats / 256* 257#define FS_NFS_NAMES { \ 258 { 0, 0 }, \ 259 { "nfsstats", CTLTYPE_STRUCT }, \ 260} 261 262/* 263 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 264 * What should be in this set is open to debate, but I believe that since 265 * I/O system calls on ufs are never interrupted by signals the set should 266 * be minimal. My reasoning is that many current programs that use signals 267 * such as SIGALRM will not expect file I/O system calls to be interrupted 268 * by them and break. 269 / 270#if defined(KERNEL) \|\| defined(_KERNEL) 271* 272struct uio; struct buf; struct vattr; struct nameidata; /* XXX / 273* 274#define NFSINT_SIGMASK (sigmask(SIGINT)\|sigmask(SIGTERM)\|sigmask(SIGKILL)\| \ 275 sigmask(SIGHUP)\|sigmask(SIGQUIT)) 276 277/* 278 * Socket errors ignored for connectionless sockets?? 279 * For now, ignore them all 280 / 281#define NFSIGNORE_SOERROR(s, e) \ 282* ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 283 ((s) & PR_CONNREQUIRED) == 0) 284 285/* 286 * Nfs outstanding request list element 287 / 288struct nfsreq { 289* TAILQ_ENTRY(nfsreq) r_chain; 290 struct mbuf r_mreq; 291* struct mbuf r_mrep; 292* struct mbuf r_md; 293* caddr_t r_dpos; 294 struct nfsmount r_nmp; 295* struct vnode r_vp; 296* u_long r_xid; 297 int r_flags; /* flags on request, see below / 298* int r_retry; /* max retransmission count / 299* int r_rexmit; /* current retrans count / 300* int r_timer; /* tick counter on reply / 301* int r_procnum; /* NFS procedure number / 302* int r_rtt; /* RTT for rpc / 303* struct proc r_procp; / Proc that did I/O system call / 304}; 305* 306/* 307 * Queue head for nfsreq's 308 / 309extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 310* 311/* Flag values for r_flags / 312#define R_TIMING 0x01 / timing request (in mntp) / 313#define R_SENT 0x02 / request has been sent / 314#define R_SOFTTERM 0x04 / soft mnt, too many retries / 315#define R_INTR 0x08 / intr mnt, signal pending / 316#define R_SOCKERR 0x10 / Fatal error on socket / 317#define R_TPRINTFMSG 0x20 / Did a tprintf msg. / 318#define R_MUSTRESEND 0x40 / Must resend request / 319#define R_GETONEREP 0x80 / Probe for one reply only / 320* 321/* 322 * A list of nfssvc_sock structures is maintained with all the sockets 323 * that require service by the nfsd. 324 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 325 * and uid hash lists. 326 / 327#ifndef NFS_UIDHASHSIZ 328#define NFS_UIDHASHSIZ 29 / Tune the size of nfssvc_sock with this / 329#endif 330#define NUIDHASH(sock, uid) \ 331* (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 332#ifndef NFS_WDELAYHASHSIZ 333#define NFS_WDELAYHASHSIZ 16 /* and with this / 334#endif 335#define NWDELAYHASH(sock, f) \ 336* (&(sock)->ns_wdelayhashtbl[(((u_long )(f))) % NFS_WDELAYHASHSIZ]) 337#ifndef NFS_MUIDHASHSIZ	38 / 39 40#ifndef _NFS_NFS_H_ 41#define _NFS_NFS_H_ 42 43#include <nfs/rpcv2.h> 44 45/ 46 * Tunable constants for nfs 47 / 48 49#define NFS_MAXIOVEC 34 50#define NFS_TICKINTVL 5 / Desired time for a tick (msec) / 51#define NFS_HZ (hz / nfs_ticks) / Ticks/sec / 52#define NFS_TIMEO (1 NFS_HZ) /* Default timeout = 1 second / 53#define NFS_MINTIMEO (1 NFS_HZ) /* Min timeout to use / 54#define NFS_MAXTIMEO (60 NFS_HZ) /* Max timeout to backoff to / 55#define NFS_MINIDEMTIMEO (5 NFS_HZ) /* Min timeout for non-idempotent ops/ 56#define NFS_MAXREXMIT 100 / Stop counting after this many / 57#define NFS_MAXWINDOW 1024 / Max number of outstanding requests / 58#define NFS_RETRANS 10 / Num of retrans for soft mounts / 59#define NFS_MAXGRPS 16 / Max. size of groups list / 60#ifndef NFS_MINATTRTIMO 61#define NFS_MINATTRTIMO 5 / Attribute cache timeout in sec / 62#endif 63#ifndef NFS_MAXATTRTIMO 64#define NFS_MAXATTRTIMO 60 65#endif 66#define NFS_WSIZE 8192 / Def. write data size <= 8192 / 67#define NFS_RSIZE 8192 / Def. read data size <= 8192 / 68#define NFS_READDIRSIZE 8192 / Def. readdir size / 69#define NFS_DEFRAHEAD 1 / Def. read ahead # blocks / 70#define NFS_MAXRAHEAD 4 / Max. read ahead # blocks / 71#define NFS_MAXUIDHASH 64 / Max. # of hashed uid entries/mp / 72#define NFS_MAXASYNCDAEMON 20 / Max. number async_daemons runnable / 73#define NFS_MAXGATHERDELAY 100 / Max. write gather delay (msec) / 74#ifndef NFS_GATHERDELAY 75#define NFS_GATHERDELAY 10 / Default write gather delay (msec) / 76#endif 77#define NFS_DIRBLKSIZ 4096 / Must be a multiple of DIRBLKSIZ / 78 79/ 80 * Oddballs 81 / 82#define NMOD(a) ((a) % nfs_asyncdaemons) 83#define NFS_CMPFH(n, f, s) \ 84 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 85#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 86#define NFS_SRVMAXDATA(n) \ 87 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 88 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 89 90/ 91 * XXX 92 * sys/buf.h should be edited to change B_APPENDWRITE --> B_NEEDCOMMIT, but 93 * until then... 94 * Same goes for sys/malloc.h, which needs M_NFSDIROFF, 95 * M_NFSRVDESC and M_NFSBIGFH added. 96 * The VA_EXCLUSIVE flag should be added for va_vaflags and set for an 97 * exclusive create. 98 * The B_INVAFTERWRITE flag should be set to whatever is required by the 99 * buffer cache code to say "Invalidate the block after it is written back". 100 / 101#ifndef B_NEEDCOMMIT 102#define B_NEEDCOMMIT B_APPENDWRITE 103#endif 104#ifndef M_NFSRVDESC 105#define M_NFSRVDESC M_TEMP 106#endif 107#ifndef M_NFSDIROFF 108#define M_NFSDIROFF M_TEMP 109#endif 110#ifndef M_NFSBIGFH 111#define M_NFSBIGFH M_TEMP 112#endif 113#ifndef VA_EXCLUSIVE 114#define VA_EXCLUSIVE 0 115#endif 116#ifdef __FreeBSD__ 117#define B_INVAFTERWRITE B_NOCACHE 118#else 119#define B_INVAFTERWRITE B_INVAL 120#endif 121* 122/* 123 * These ifdefs try to handle the differences between the various 4.4BSD-Lite 124 * based vfs interfaces. 125 * btw: NetBSD-current does have a VOP_LEASDE(), but I don't know how to 126 * differentiate between NetBSD-1.0 and NetBSD-current, so.. 127 * I also don't know about BSDi's 2.0 release. 128 / 129#if !defined(HAS_VOPLEASE) && !defined(__FreeBSD__) && !defined(__NetBSD__) 130#define HAS_VOPLEASE 1 131#endif 132#if !defined(HAS_VOPREVOKE) && !defined(__FreeBSD__) && !defined(__NetBSD__) 133#define HAS_VOPREVOKE 1 134#endif 135* 136/* 137 * The IO_METASYNC flag should be implemented for local file systems. 138 * (Until then, it is nothin at all.) 139 / 140#ifndef IO_METASYNC 141#define IO_METASYNC 0 142#endif 143* 144/* 145 * Set the attribute timeout based on how recently the file has been modified. 146 / 147#define NFS_ATTRTIMEO(np) \ 148* ((((np)->n_flag & NMODIFIED) \|\| \ 149 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 150 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 151 (time.tv_sec - (np)->n_mtime) / 10)) 152 153/* 154 * Expected allocation sizes for major data structures. If the actual size 155 * of the structure exceeds these sizes, then malloc() will be allocating 156 * almost twice the memory required. This is used in nfs_init() to warn 157 * the sysadmin that the size of a structure should be reduced. 158 * (These sizes are always a power of 2. If the kernel malloc() changes 159 * to one that does not allocate space in powers of 2 size, then this all 160 * becomes bunk!) 161 / 162#define NFS_NODEALLOC 256 163#define NFS_MNTALLOC 512 164#define NFS_SVCALLOC 256 165#define NFS_UIDALLOC 128 166* 167/* 168 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 169 * should ever try and use it. 170 / 171struct nfsd_args { 172* int sock; /* Socket to serve / 173* caddr_t name; /* Client address for connection based sockets / 174* int namelen; /* Length of name / 175}; 176* 177struct nfsd_srvargs { 178 struct nfsd nsd_nfsd; / Pointer to in kernel nfsd struct / 179* uid_t nsd_uid; /* Effective uid mapped to cred / 180* u_long nsd_haddr; /* Ip address of client / 181* struct ucred nsd_cr; /* Cred. uid maps to / 182* int nsd_authlen; /* Length of auth string (ret) / 183* u_char nsd_authstr; / Auth string (ret) / 184* int nsd_verflen; /* and the verfier / 185* u_char nsd_verfstr; 186* struct timeval nsd_timestamp; /* timestamp from verifier / 187* u_long nsd_ttl; /* credential ttl (sec) / 188* NFSKERBKEY_T nsd_key; /* Session key / 189}; 190* 191struct nfsd_cargs { 192 char ncd_dirp; / Mount dir path / 193* uid_t ncd_authuid; /* Effective uid / 194* int ncd_authtype; /* Type of authenticator / 195* int ncd_authlen; /* Length of authenticator string / 196* u_char ncd_authstr; / Authenticator string / 197* int ncd_verflen; /* and the verifier / 198* u_char ncd_verfstr; 199* NFSKERBKEY_T ncd_key; /* Session key / 200}; 201* 202/* 203 * Stats structure 204 / 205struct nfsstats { 206* int attrcache_hits; 207 int attrcache_misses; 208 int lookupcache_hits; 209 int lookupcache_misses; 210 int direofcache_hits; 211 int direofcache_misses; 212 int biocache_reads; 213 int read_bios; 214 int read_physios; 215 int biocache_writes; 216 int write_bios; 217 int write_physios; 218 int biocache_readlinks; 219 int readlink_bios; 220 int biocache_readdirs; 221 int readdir_bios; 222 int rpccnt[NFS_NPROCS]; 223 int rpcretries; 224 int srvrpccnt[NFS_NPROCS]; 225 int srvrpc_errs; 226 int srv_errs; 227 int rpcrequests; 228 int rpctimeouts; 229 int rpcunexpected; 230 int rpcinvalid; 231 int srvcache_inproghits; 232 int srvcache_idemdonehits; 233 int srvcache_nonidemdonehits; 234 int srvcache_misses; 235 int srvnqnfs_leases; 236 int srvnqnfs_maxleases; 237 int srvnqnfs_getleases; 238 int srvvop_writes; 239}; 240 241/* 242 * Flags for nfssvc() system call. 243 / 244#define NFSSVC_BIOD 0x002 245#define NFSSVC_NFSD 0x004 246#define NFSSVC_ADDSOCK 0x008 247#define NFSSVC_AUTHIN 0x010 248#define NFSSVC_GOTAUTH 0x040 249#define NFSSVC_AUTHINFAIL 0x080 250#define NFSSVC_MNTD 0x100 251* 252/* 253 * fs.nfs sysctl(3) identifiers 254 / 255#define NFS_NFSSTATS 1 / struct: struct nfsstats / 256* 257#define FS_NFS_NAMES { \ 258 { 0, 0 }, \ 259 { "nfsstats", CTLTYPE_STRUCT }, \ 260} 261 262/* 263 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 264 * What should be in this set is open to debate, but I believe that since 265 * I/O system calls on ufs are never interrupted by signals the set should 266 * be minimal. My reasoning is that many current programs that use signals 267 * such as SIGALRM will not expect file I/O system calls to be interrupted 268 * by them and break. 269 / 270#if defined(KERNEL) \|\| defined(_KERNEL) 271* 272struct uio; struct buf; struct vattr; struct nameidata; /* XXX / 273* 274#define NFSINT_SIGMASK (sigmask(SIGINT)\|sigmask(SIGTERM)\|sigmask(SIGKILL)\| \ 275 sigmask(SIGHUP)\|sigmask(SIGQUIT)) 276 277/* 278 * Socket errors ignored for connectionless sockets?? 279 * For now, ignore them all 280 / 281#define NFSIGNORE_SOERROR(s, e) \ 282* ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 283 ((s) & PR_CONNREQUIRED) == 0) 284 285/* 286 * Nfs outstanding request list element 287 / 288struct nfsreq { 289* TAILQ_ENTRY(nfsreq) r_chain; 290 struct mbuf r_mreq; 291* struct mbuf r_mrep; 292* struct mbuf r_md; 293* caddr_t r_dpos; 294 struct nfsmount r_nmp; 295* struct vnode r_vp; 296* u_long r_xid; 297 int r_flags; /* flags on request, see below / 298* int r_retry; /* max retransmission count / 299* int r_rexmit; /* current retrans count / 300* int r_timer; /* tick counter on reply / 301* int r_procnum; /* NFS procedure number / 302* int r_rtt; /* RTT for rpc / 303* struct proc r_procp; / Proc that did I/O system call / 304}; 305* 306/* 307 * Queue head for nfsreq's 308 / 309extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq; 310* 311/* Flag values for r_flags / 312#define R_TIMING 0x01 / timing request (in mntp) / 313#define R_SENT 0x02 / request has been sent / 314#define R_SOFTTERM 0x04 / soft mnt, too many retries / 315#define R_INTR 0x08 / intr mnt, signal pending / 316#define R_SOCKERR 0x10 / Fatal error on socket / 317#define R_TPRINTFMSG 0x20 / Did a tprintf msg. / 318#define R_MUSTRESEND 0x40 / Must resend request / 319#define R_GETONEREP 0x80 / Probe for one reply only / 320* 321/* 322 * A list of nfssvc_sock structures is maintained with all the sockets 323 * that require service by the nfsd. 324 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 325 * and uid hash lists. 326 / 327#ifndef NFS_UIDHASHSIZ 328#define NFS_UIDHASHSIZ 29 / Tune the size of nfssvc_sock with this / 329#endif 330#define NUIDHASH(sock, uid) \ 331* (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 332#ifndef NFS_WDELAYHASHSIZ 333#define NFS_WDELAYHASHSIZ 16 /* and with this / 334#endif 335#define NWDELAYHASH(sock, f) \ 336* (&(sock)->ns_wdelayhashtbl[(((u_long )(f))) % NFS_WDELAYHASHSIZ]) 337#ifndef NFS_MUIDHASHSIZ
338#define NFS_MUIDHASHSIZ 67 /* Tune the size of nfsmount with this */	338#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
339#endif 340#define NMUIDHASH(nmp, uid) \ 341 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 342#define NFSNOHASH(fhsum) \ 343 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 344 345/* 346 * Network address hash list element 347 / 348union nethostaddr { 349* u_long had_inetaddr; 350 struct mbuf had_nam; 351}; 352* 353struct nfsuid { 354 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain / 355* LIST_ENTRY(nfsuid) nu_hash; /* Hash list / 356* int nu_flag; /* Flags / 357* union nethostaddr nu_haddr; /* Host addr. for dgram sockets / 358* struct ucred nu_cr; /* Cred uid mapped to / 359* int nu_expire; /* Expiry time (sec) / 360* struct timeval nu_timestamp; /* Kerb. timestamp / 361* u_long nu_nickname; /* Nickname on server / 362* NFSKERBKEY_T nu_key; /* and session key / 363}; 364* 365#define nu_inetaddr nu_haddr.had_inetaddr 366#define nu_nam nu_haddr.had_nam 367/* Bits for nu_flag / 368#define NU_INETADDR 0x1 369#define NU_NAM 0x2 370#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 371* 372struct nfssvc_sock { 373 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's / 374* TAILQ_HEAD(, nfsuid) ns_uidlruhead; 375 struct file ns_fp; 376* struct socket ns_so; 377* struct mbuf ns_nam; 378* struct mbuf ns_raw; 379* struct mbuf ns_rawend; 380* struct mbuf ns_rec; 381* struct mbuf ns_recend; 382* struct mbuf ns_frag; 383* int ns_flag; 384 int ns_solock; 385 int ns_cc; 386 int ns_reclen; 387 int ns_numuids; 388 u_long ns_sref; 389 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists / 390* LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 391 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 392}; 393 394/* Bits for "ns_flag" / 395#define SLP_VALID 0x01 396#define SLP_DOREC 0x02 397#define SLP_NEEDQ 0x04 398#define SLP_DISCONN 0x08 399#define SLP_GETSTREAM 0x10 400#define SLP_LASTFRAG 0x20 401#define SLP_ALLFLAGS 0xff 402* 403extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 404extern int nfssvc_sockhead_flag; 405#define SLP_INIT 0x01 406#define SLP_WANTINIT 0x02 407 408/* 409 * One of these structures is allocated for each nfsd. 410 / 411struct nfsd { 412* TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's / 413* int nfsd_flag; /* NFSD_ flags / 414* struct nfssvc_sock nfsd_slp; / Current socket / 415* int nfsd_authlen; /* Authenticator len / 416* u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data / 417* int nfsd_verflen; /* and the Verifier / 418* u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 419 struct proc nfsd_procp; / Proc ptr / 420* struct nfsrv_descript nfsd_nd; / Associated nfsrv_descript / 421}; 422* 423/* Bits for "nfsd_flag" / 424#define NFSD_WAITING 0x01 425#define NFSD_REQINPROG 0x02 426#define NFSD_NEEDAUTH 0x04 427#define NFSD_AUTHFAIL 0x08 428* 429/* 430 * This structure is used by the server for describing each request. 431 * Some fields are used only when write request gathering is performed. 432 / 433struct nfsrv_descript { 434* u_quad_t nd_time; /* Write deadline (usec) / 435* off_t nd_off; /* Start byte offset / 436* off_t nd_eoff; /* and end byte offset / 437* LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list / 438* LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list / 439* LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes / 440* struct mbuf nd_mrep; / Request mbuf list / 441* struct mbuf nd_md; / Current dissect mbuf / 442* struct mbuf nd_mreq; / Reply mbuf list / 443* struct mbuf nd_nam; / and socket addr / 444* struct mbuf nd_nam2; / return socket addr / 445* caddr_t nd_dpos; /* Current dissect pos / 446* int nd_procnum; /* RPC # / 447* int nd_stable; /* storage type / 448* int nd_flag; /* nd_flag / 449* int nd_len; /* Length of this write / 450* int nd_repstat; /* Reply status / 451* u_long nd_retxid; /* Reply xid / 452* u_long nd_duration; /* Lease duration / 453* struct timeval nd_starttime; /* Time RPC initiated / 454* fhandle_t nd_fh; /* File handle / 455* struct ucred nd_cr; /* Credentials / 456}; 457* 458/* Bits for "nd_flag" / 459#define ND_READ LEASE_READ 460#define ND_WRITE LEASE_WRITE 461#define ND_CHECK 0x04 462#define ND_LEASE (ND_READ \| ND_WRITE \| ND_CHECK) 463#define ND_NFSV3 0x08 464#define ND_NQNFS 0x10 465#define ND_KERBNICK 0x20 466#define ND_KERBFULL 0x40 467#define ND_KERBAUTH (ND_KERBNICK \| ND_KERBFULL) 468* 469extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 470extern int nfsd_head_flag; 471#define NFSD_CHECKSLP 0x01 472 473/* 474 * These macros compare nfsrv_descript structures. 475 / 476#define NFSW_CONTIG(o, n) \ 477* ((o)->nd_eoff >= (n)->nd_off && \ 478 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 479 480#define NFSW_SAMECRED(o, n) \ 481 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 482 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 483 sizeof (struct ucred))) 484 485int nfs_reply __P((struct nfsreq )); 486int nfs_getreq __P((struct nfsrv_descript ,struct nfsd ,int)); 487int nfs_send __P((struct socket ,struct mbuf ,struct mbuf ,struct nfsreq )); 488int nfs_rephead __P((int,struct nfsrv_descript ,struct nfssvc_sock ,int,int,u_quad_t ,struct mbuf ,struct mbuf ,caddr_t )); 489int nfs_sndlock __P((int ,struct nfsreq )); 490void nfs_sndunlock __P((int flagp)); 491int nfs_disct __P((struct mbuf *,caddr_t ,int,int,caddr_t )); 492int nfs_vinvalbuf __P((struct vnode ,int,struct ucred ,struct proc ,int)); 493int nfs_readrpc __P((struct vnode ,struct uio ,struct ucred )); 494int nfs_writerpc __P((struct vnode ,struct uio ,struct ucred ,int ,int )); 495int nfs_readdirrpc __P((register struct vnode ,struct uio ,struct ucred )); 496int nfs_asyncio __P((struct buf ,struct ucred )); 497int nfs_doio __P((struct buf ,struct ucred ,struct proc )); 498int nfs_readlinkrpc __P((struct vnode ,struct uio ,struct ucred )); 499int nfs_sigintr __P((struct nfsmount ,struct nfsreq r,struct proc )); 500int nfs_readdirplusrpc __P((struct vnode ,register struct uio ,struct ucred )); 501int nfsm_disct __P((struct mbuf ,caddr_t ,int,int,caddr_t )); 502void nfsm_srvfattr __P((struct nfsrv_descript ,struct vattr ,struct nfs_fattr )); 503void nfsm_srvwcc __P((struct nfsrv_descript ,int,struct vattr ,int,struct vattr ,struct mbuf ,char )); 504void nfsm_srvpostopattr __P((struct nfsrv_descript ,int,struct vattr ,struct mbuf ,char )); 505int netaddr_match __P((int,union nethostaddr ,struct mbuf )); 506int nfs_request __P((struct vnode ,struct mbuf ,int,struct proc ,struct ucred ,struct mbuf ,struct mbuf ,caddr_t )); 507int nfs_loadattrcache __P((struct vnode ,struct mbuf ,caddr_t ,struct vattr )); 508int nfs_namei __P((struct nameidata ,fhandle_t ,int,struct nfssvc_sock ,struct mbuf ,struct mbuf *,caddr_t ,struct vnode *,struct proc ,int)); 509void nfsm_adj __P((struct mbuf ,int,int)); 510int nfsm_mbuftouio __P((struct mbuf ,struct uio ,int,caddr_t )); 511void nfsrv_initcache __P((void)); 512int nfs_getauth __P((struct nfsmount ,struct nfsreq ,struct ucred ,char *,int ,char ,int ,NFSKERBKEY_T)); 513int nfs_getnickauth __P((struct nfsmount ,struct ucred ,char *,int ,char ,int)); 514int nfs_savenickauth __P((struct nfsmount ,struct ucred ,int,NFSKERBKEY_T,struct mbuf ,char ,struct mbuf )); 515int nfs_adv __P((struct mbuf *,caddr_t ,int,int)); 516void nfs_nhinit __P((void)); 517void nfs_timer __P((void)); 518u_long nfs_hash __P((nfsfh_t ,int)); 519void nfsrv_slpderef __P((struct nfssvc_sock slp)); 520int nfsrv_dorec __P((struct nfssvc_sock ,struct nfsd ,struct nfsrv_descript )); 521void nfsrv_cleancache __P((void)); 522int nfsrv_getcache __P((struct nfsrv_descript ,struct nfssvc_sock ,struct mbuf )); 523int nfs_init __P((void)); 524void nfsrv_updatecache __P((struct nfsrv_descript ,int,struct mbuf )); 525int nfs_connect __P((struct nfsmount ,struct nfsreq )); 526void nfs_disconnect __P((struct nfsmount nmp)); 527int nfs_getattrcache __P((struct vnode ,struct vattr )); 528int nfsm_strtmbuf __P((struct mbuf ,char ,char ,long)); 529int nfs_bioread __P((struct vnode ,struct uio ,int,struct ucred )); 530int nfsm_uiotombuf __P((struct uio ,struct mbuf ,int,caddr_t )); 531void nfsrv_init __P((int)); 532void nfs_clearcommit __P((struct mount )); 533int nfsrv_errmap __P((struct nfsrv_descript , int)); 534void nfsrv_rcv __P((struct socket so, caddr_t arg, int waitflag)); 535void nfsrvw_sort __P((gid_t [],int)); 536void nfsrv_setcred __P((struct ucred ,struct ucred )); 537int nfs_writebp __P((struct buf ,int)); 538int nfsrv_object_create __P(( struct vnode * )); 539void nfsrv_wakenfsd __P((struct nfssvc_sock slp)); 540int nfsrv_writegather __P((struct nfsrv_descript , struct nfssvc_sock , 541 struct proc , struct mbuf )); 542int nfs_fsinfo __P((struct nfsmount , struct vnode , struct ucred , 543 struct proc p)); 544* 545int nfsrv3_access __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 546 struct proc procp, struct mbuf mrq)); 547int nfsrv_commit __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 548* struct proc procp, struct mbuf mrq)); 549int nfsrv_create __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 550* struct proc procp, struct mbuf mrq)); 551int nfsrv_fhtovp __P((fhandle_t ,int,struct vnode *, 552* struct ucred ,struct nfssvc_sock ,struct mbuf , 553* int ,int)); 554int nfsrv_fsinfo __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 555* struct proc procp, struct mbuf mrq)); 556int nfsrv_getattr __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 557* struct proc procp, struct mbuf mrq)); 558int nfsrv_link __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 559* struct proc procp, struct mbuf mrq)); 560int nfsrv_lookup __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 561* struct proc procp, struct mbuf mrq)); 562int nfsrv_mkdir __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 563* struct proc procp, struct mbuf mrq)); 564int nfsrv_mknod __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 565* struct proc procp, struct mbuf mrq)); 566int nfsrv_noop __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 567* struct proc procp, struct mbuf mrq)); 568int nfsrv_null __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 569* struct proc procp, struct mbuf mrq)); 570int nfsrv_pathconf __P((struct nfsrv_descript nfsd, 571 struct nfssvc_sock slp, struct proc procp, 572 struct mbuf *mrq)); 573int nfsrv_read __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 574* struct proc procp, struct mbuf mrq)); 575int nfsrv_readdir __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 576* struct proc procp, struct mbuf mrq)); 577int nfsrv_readdirplus __P((struct nfsrv_descript nfsd, 578 struct nfssvc_sock slp, struct proc procp, 579 struct mbuf *mrq)); 580int nfsrv_readlink __P((struct nfsrv_descript nfsd, 581 struct nfssvc_sock slp, struct proc procp, 582 struct mbuf *mrq)); 583int nfsrv_remove __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 584* struct proc procp, struct mbuf mrq)); 585int nfsrv_rename __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 586* struct proc procp, struct mbuf mrq)); 587int nfsrv_rmdir __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 588* struct proc procp, struct mbuf mrq)); 589int nfsrv_setattr __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 590* struct proc procp, struct mbuf mrq)); 591int nfsrv_statfs __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 592* struct proc procp, struct mbuf mrq)); 593int nfsrv_symlink __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 594* struct proc procp, struct mbuf mrq)); 595int nfsrv_write __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 596* struct proc procp, struct mbuf mrq)); 597* 598 599#endif /* KERNEL / 600* 601#endif	339#endif 340#define NMUIDHASH(nmp, uid) \ 341 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 342#define NFSNOHASH(fhsum) \ 343 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 344 345/* 346 * Network address hash list element 347 / 348union nethostaddr { 349* u_long had_inetaddr; 350 struct mbuf had_nam; 351}; 352* 353struct nfsuid { 354 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain / 355* LIST_ENTRY(nfsuid) nu_hash; /* Hash list / 356* int nu_flag; /* Flags / 357* union nethostaddr nu_haddr; /* Host addr. for dgram sockets / 358* struct ucred nu_cr; /* Cred uid mapped to / 359* int nu_expire; /* Expiry time (sec) / 360* struct timeval nu_timestamp; /* Kerb. timestamp / 361* u_long nu_nickname; /* Nickname on server / 362* NFSKERBKEY_T nu_key; /* and session key / 363}; 364* 365#define nu_inetaddr nu_haddr.had_inetaddr 366#define nu_nam nu_haddr.had_nam 367/* Bits for nu_flag / 368#define NU_INETADDR 0x1 369#define NU_NAM 0x2 370#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 371* 372struct nfssvc_sock { 373 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's / 374* TAILQ_HEAD(, nfsuid) ns_uidlruhead; 375 struct file ns_fp; 376* struct socket ns_so; 377* struct mbuf ns_nam; 378* struct mbuf ns_raw; 379* struct mbuf ns_rawend; 380* struct mbuf ns_rec; 381* struct mbuf ns_recend; 382* struct mbuf ns_frag; 383* int ns_flag; 384 int ns_solock; 385 int ns_cc; 386 int ns_reclen; 387 int ns_numuids; 388 u_long ns_sref; 389 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists / 390* LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 391 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 392}; 393 394/* Bits for "ns_flag" / 395#define SLP_VALID 0x01 396#define SLP_DOREC 0x02 397#define SLP_NEEDQ 0x04 398#define SLP_DISCONN 0x08 399#define SLP_GETSTREAM 0x10 400#define SLP_LASTFRAG 0x20 401#define SLP_ALLFLAGS 0xff 402* 403extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 404extern int nfssvc_sockhead_flag; 405#define SLP_INIT 0x01 406#define SLP_WANTINIT 0x02 407 408/* 409 * One of these structures is allocated for each nfsd. 410 / 411struct nfsd { 412* TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's / 413* int nfsd_flag; /* NFSD_ flags / 414* struct nfssvc_sock nfsd_slp; / Current socket / 415* int nfsd_authlen; /* Authenticator len / 416* u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data / 417* int nfsd_verflen; /* and the Verifier / 418* u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 419 struct proc nfsd_procp; / Proc ptr / 420* struct nfsrv_descript nfsd_nd; / Associated nfsrv_descript / 421}; 422* 423/* Bits for "nfsd_flag" / 424#define NFSD_WAITING 0x01 425#define NFSD_REQINPROG 0x02 426#define NFSD_NEEDAUTH 0x04 427#define NFSD_AUTHFAIL 0x08 428* 429/* 430 * This structure is used by the server for describing each request. 431 * Some fields are used only when write request gathering is performed. 432 / 433struct nfsrv_descript { 434* u_quad_t nd_time; /* Write deadline (usec) / 435* off_t nd_off; /* Start byte offset / 436* off_t nd_eoff; /* and end byte offset / 437* LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list / 438* LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list / 439* LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes / 440* struct mbuf nd_mrep; / Request mbuf list / 441* struct mbuf nd_md; / Current dissect mbuf / 442* struct mbuf nd_mreq; / Reply mbuf list / 443* struct mbuf nd_nam; / and socket addr / 444* struct mbuf nd_nam2; / return socket addr / 445* caddr_t nd_dpos; /* Current dissect pos / 446* int nd_procnum; /* RPC # / 447* int nd_stable; /* storage type / 448* int nd_flag; /* nd_flag / 449* int nd_len; /* Length of this write / 450* int nd_repstat; /* Reply status / 451* u_long nd_retxid; /* Reply xid / 452* u_long nd_duration; /* Lease duration / 453* struct timeval nd_starttime; /* Time RPC initiated / 454* fhandle_t nd_fh; /* File handle / 455* struct ucred nd_cr; /* Credentials / 456}; 457* 458/* Bits for "nd_flag" / 459#define ND_READ LEASE_READ 460#define ND_WRITE LEASE_WRITE 461#define ND_CHECK 0x04 462#define ND_LEASE (ND_READ \| ND_WRITE \| ND_CHECK) 463#define ND_NFSV3 0x08 464#define ND_NQNFS 0x10 465#define ND_KERBNICK 0x20 466#define ND_KERBFULL 0x40 467#define ND_KERBAUTH (ND_KERBNICK \| ND_KERBFULL) 468* 469extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head; 470extern int nfsd_head_flag; 471#define NFSD_CHECKSLP 0x01 472 473/* 474 * These macros compare nfsrv_descript structures. 475 / 476#define NFSW_CONTIG(o, n) \ 477* ((o)->nd_eoff >= (n)->nd_off && \ 478 !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 479 480#define NFSW_SAMECRED(o, n) \ 481 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 482 !bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 483 sizeof (struct ucred))) 484 485int nfs_reply __P((struct nfsreq )); 486int nfs_getreq __P((struct nfsrv_descript ,struct nfsd ,int)); 487int nfs_send __P((struct socket ,struct mbuf ,struct mbuf ,struct nfsreq )); 488int nfs_rephead __P((int,struct nfsrv_descript ,struct nfssvc_sock ,int,int,u_quad_t ,struct mbuf ,struct mbuf ,caddr_t )); 489int nfs_sndlock __P((int ,struct nfsreq )); 490void nfs_sndunlock __P((int flagp)); 491int nfs_disct __P((struct mbuf *,caddr_t ,int,int,caddr_t )); 492int nfs_vinvalbuf __P((struct vnode ,int,struct ucred ,struct proc ,int)); 493int nfs_readrpc __P((struct vnode ,struct uio ,struct ucred )); 494int nfs_writerpc __P((struct vnode ,struct uio ,struct ucred ,int ,int )); 495int nfs_readdirrpc __P((register struct vnode ,struct uio ,struct ucred )); 496int nfs_asyncio __P((struct buf ,struct ucred )); 497int nfs_doio __P((struct buf ,struct ucred ,struct proc )); 498int nfs_readlinkrpc __P((struct vnode ,struct uio ,struct ucred )); 499int nfs_sigintr __P((struct nfsmount ,struct nfsreq r,struct proc )); 500int nfs_readdirplusrpc __P((struct vnode ,register struct uio ,struct ucred )); 501int nfsm_disct __P((struct mbuf ,caddr_t ,int,int,caddr_t )); 502void nfsm_srvfattr __P((struct nfsrv_descript ,struct vattr ,struct nfs_fattr )); 503void nfsm_srvwcc __P((struct nfsrv_descript ,int,struct vattr ,int,struct vattr ,struct mbuf ,char )); 504void nfsm_srvpostopattr __P((struct nfsrv_descript ,int,struct vattr ,struct mbuf ,char )); 505int netaddr_match __P((int,union nethostaddr ,struct mbuf )); 506int nfs_request __P((struct vnode ,struct mbuf ,int,struct proc ,struct ucred ,struct mbuf ,struct mbuf ,caddr_t )); 507int nfs_loadattrcache __P((struct vnode ,struct mbuf ,caddr_t ,struct vattr )); 508int nfs_namei __P((struct nameidata ,fhandle_t ,int,struct nfssvc_sock ,struct mbuf ,struct mbuf *,caddr_t ,struct vnode *,struct proc ,int)); 509void nfsm_adj __P((struct mbuf ,int,int)); 510int nfsm_mbuftouio __P((struct mbuf ,struct uio ,int,caddr_t )); 511void nfsrv_initcache __P((void)); 512int nfs_getauth __P((struct nfsmount ,struct nfsreq ,struct ucred ,char *,int ,char ,int ,NFSKERBKEY_T)); 513int nfs_getnickauth __P((struct nfsmount ,struct ucred ,char *,int ,char ,int)); 514int nfs_savenickauth __P((struct nfsmount ,struct ucred ,int,NFSKERBKEY_T,struct mbuf ,char ,struct mbuf )); 515int nfs_adv __P((struct mbuf *,caddr_t ,int,int)); 516void nfs_nhinit __P((void)); 517void nfs_timer __P((void)); 518u_long nfs_hash __P((nfsfh_t ,int)); 519void nfsrv_slpderef __P((struct nfssvc_sock slp)); 520int nfsrv_dorec __P((struct nfssvc_sock ,struct nfsd ,struct nfsrv_descript )); 521void nfsrv_cleancache __P((void)); 522int nfsrv_getcache __P((struct nfsrv_descript ,struct nfssvc_sock ,struct mbuf )); 523int nfs_init __P((void)); 524void nfsrv_updatecache __P((struct nfsrv_descript ,int,struct mbuf )); 525int nfs_connect __P((struct nfsmount ,struct nfsreq )); 526void nfs_disconnect __P((struct nfsmount nmp)); 527int nfs_getattrcache __P((struct vnode ,struct vattr )); 528int nfsm_strtmbuf __P((struct mbuf ,char ,char ,long)); 529int nfs_bioread __P((struct vnode ,struct uio ,int,struct ucred )); 530int nfsm_uiotombuf __P((struct uio ,struct mbuf ,int,caddr_t )); 531void nfsrv_init __P((int)); 532void nfs_clearcommit __P((struct mount )); 533int nfsrv_errmap __P((struct nfsrv_descript , int)); 534void nfsrv_rcv __P((struct socket so, caddr_t arg, int waitflag)); 535void nfsrvw_sort __P((gid_t [],int)); 536void nfsrv_setcred __P((struct ucred ,struct ucred )); 537int nfs_writebp __P((struct buf ,int)); 538int nfsrv_object_create __P(( struct vnode * )); 539void nfsrv_wakenfsd __P((struct nfssvc_sock slp)); 540int nfsrv_writegather __P((struct nfsrv_descript , struct nfssvc_sock , 541 struct proc , struct mbuf )); 542int nfs_fsinfo __P((struct nfsmount , struct vnode , struct ucred , 543 struct proc p)); 544* 545int nfsrv3_access __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 546 struct proc procp, struct mbuf mrq)); 547int nfsrv_commit __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 548* struct proc procp, struct mbuf mrq)); 549int nfsrv_create __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 550* struct proc procp, struct mbuf mrq)); 551int nfsrv_fhtovp __P((fhandle_t ,int,struct vnode *, 552* struct ucred ,struct nfssvc_sock ,struct mbuf , 553* int ,int)); 554int nfsrv_fsinfo __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 555* struct proc procp, struct mbuf mrq)); 556int nfsrv_getattr __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 557* struct proc procp, struct mbuf mrq)); 558int nfsrv_link __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 559* struct proc procp, struct mbuf mrq)); 560int nfsrv_lookup __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 561* struct proc procp, struct mbuf mrq)); 562int nfsrv_mkdir __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 563* struct proc procp, struct mbuf mrq)); 564int nfsrv_mknod __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 565* struct proc procp, struct mbuf mrq)); 566int nfsrv_noop __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 567* struct proc procp, struct mbuf mrq)); 568int nfsrv_null __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 569* struct proc procp, struct mbuf mrq)); 570int nfsrv_pathconf __P((struct nfsrv_descript nfsd, 571 struct nfssvc_sock slp, struct proc procp, 572 struct mbuf *mrq)); 573int nfsrv_read __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 574* struct proc procp, struct mbuf mrq)); 575int nfsrv_readdir __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 576* struct proc procp, struct mbuf mrq)); 577int nfsrv_readdirplus __P((struct nfsrv_descript nfsd, 578 struct nfssvc_sock slp, struct proc procp, 579 struct mbuf *mrq)); 580int nfsrv_readlink __P((struct nfsrv_descript nfsd, 581 struct nfssvc_sock slp, struct proc procp, 582 struct mbuf *mrq)); 583int nfsrv_remove __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 584* struct proc procp, struct mbuf mrq)); 585int nfsrv_rename __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 586* struct proc procp, struct mbuf mrq)); 587int nfsrv_rmdir __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 588* struct proc procp, struct mbuf mrq)); 589int nfsrv_setattr __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 590* struct proc procp, struct mbuf mrq)); 591int nfsrv_statfs __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 592* struct proc procp, struct mbuf mrq)); 593int nfsrv_symlink __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 594* struct proc procp, struct mbuf mrq)); 595int nfsrv_write __P((struct nfsrv_descript nfsd, struct nfssvc_sock slp, 596* struct proc procp, struct mbuf mrq)); 597* 598 599#endif /* KERNEL / 600* 601#endif