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438 lines
13 KiB
438 lines
13 KiB
/* NetBSD: nfs.h,v 1.1 1996/05/23 22:49:53 fvdl Exp */ |
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/* |
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* Copyright (c) 1989, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* Rick Macklem at The University of Guelph. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* @(#)nfsproto.h 8.2 (Berkeley) 3/30/95 |
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*/ |
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/* |
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* nfs definitions as per the Version 2 and 3 specs |
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*/ |
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/* |
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* Constants as defined in the Sun NFS Version 2 and 3 specs. |
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* "NFS: Network File System Protocol Specification" RFC1094 |
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* and in the "NFS: Network File System Version 3 Protocol |
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* Specification" |
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*/ |
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#define NFS_PORT 2049 |
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#define NFS_PROG 100003 |
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#define NFS_VER2 2 |
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#define NFS_VER3 3 |
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#define NFS_V2MAXDATA 8192 |
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#define NFS_MAXDGRAMDATA 16384 |
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#define NFS_MAXDATA 32768 |
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#define NFS_MAXPATHLEN 1024 |
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#define NFS_MAXNAMLEN 255 |
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#define NFS_MAXPKTHDR 404 |
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#define NFS_MAXPACKET (NFS_MAXPKTHDR + NFS_MAXDATA) |
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#define NFS_MINPACKET 20 |
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#define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */ |
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/* Stat numbers for rpc returns (version 2 and 3) */ |
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#define NFS_OK 0 |
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#define NFSERR_PERM 1 |
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#define NFSERR_NOENT 2 |
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#define NFSERR_IO 5 |
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#define NFSERR_NXIO 6 |
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#define NFSERR_ACCES 13 |
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#define NFSERR_EXIST 17 |
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#define NFSERR_XDEV 18 /* Version 3 only */ |
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#define NFSERR_NODEV 19 |
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#define NFSERR_NOTDIR 20 |
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#define NFSERR_ISDIR 21 |
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#define NFSERR_INVAL 22 /* Version 3 only */ |
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#define NFSERR_FBIG 27 |
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#define NFSERR_NOSPC 28 |
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#define NFSERR_ROFS 30 |
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#define NFSERR_MLINK 31 /* Version 3 only */ |
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#define NFSERR_NAMETOL 63 |
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#define NFSERR_NOTEMPTY 66 |
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#define NFSERR_DQUOT 69 |
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#define NFSERR_STALE 70 |
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#define NFSERR_REMOTE 71 /* Version 3 only */ |
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#define NFSERR_WFLUSH 99 /* Version 2 only */ |
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#define NFSERR_BADHANDLE 10001 /* The rest Version 3 only */ |
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#define NFSERR_NOT_SYNC 10002 |
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#define NFSERR_BAD_COOKIE 10003 |
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#define NFSERR_NOTSUPP 10004 |
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#define NFSERR_TOOSMALL 10005 |
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#define NFSERR_SERVERFAULT 10006 |
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#define NFSERR_BADTYPE 10007 |
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#define NFSERR_JUKEBOX 10008 |
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#define NFSERR_TRYLATER NFSERR_JUKEBOX |
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#define NFSERR_STALEWRITEVERF 30001 /* Fake return for nfs_commit() */ |
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#define NFSERR_RETVOID 0x20000000 /* Return void, not error */ |
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#define NFSERR_AUTHERR 0x40000000 /* Mark an authentication error */ |
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#define NFSERR_RETERR 0x80000000 /* Mark an error return for V3 */ |
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/* Sizes in bytes of various nfs rpc components */ |
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#define NFSX_UNSIGNED 4 |
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/* specific to NFS Version 2 */ |
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#define NFSX_V2FH 32 |
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#define NFSX_V2FATTR 68 |
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#define NFSX_V2SATTR 32 |
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#define NFSX_V2COOKIE 4 |
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#define NFSX_V2STATFS 20 |
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/* specific to NFS Version 3 */ |
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#if 0 |
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#define NFSX_V3FH (sizeof (fhandle_t)) /* size this server uses */ |
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#endif |
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#define NFSX_V3FHMAX 64 /* max. allowed by protocol */ |
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#define NFSX_V3FATTR 84 |
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#define NFSX_V3SATTR 60 /* max. all fields filled in */ |
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#define NFSX_V3SRVSATTR (sizeof (struct nfsv3_sattr)) |
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#define NFSX_V3POSTOPATTR (NFSX_V3FATTR + NFSX_UNSIGNED) |
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#define NFSX_V3WCCDATA (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED) |
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#define NFSX_V3COOKIEVERF 8 |
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#define NFSX_V3WRITEVERF 8 |
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#define NFSX_V3CREATEVERF 8 |
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#define NFSX_V3STATFS 52 |
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#define NFSX_V3FSINFO 48 |
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#define NFSX_V3PATHCONF 24 |
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/* variants for both versions */ |
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#define NFSX_FH(v3) ((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : \ |
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NFSX_V2FH) |
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#define NFSX_SRVFH(v3) ((v3) ? NFSX_V3FH : NFSX_V2FH) |
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#define NFSX_FATTR(v3) ((v3) ? NFSX_V3FATTR : NFSX_V2FATTR) |
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#define NFSX_PREOPATTR(v3) ((v3) ? (7 * NFSX_UNSIGNED) : 0) |
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#define NFSX_POSTOPATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0) |
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#define NFSX_POSTOPORFATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : \ |
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NFSX_V2FATTR) |
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#define NFSX_WCCDATA(v3) ((v3) ? NFSX_V3WCCDATA : 0) |
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#define NFSX_WCCORFATTR(v3) ((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR) |
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#define NFSX_SATTR(v3) ((v3) ? NFSX_V3SATTR : NFSX_V2SATTR) |
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#define NFSX_COOKIEVERF(v3) ((v3) ? NFSX_V3COOKIEVERF : 0) |
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#define NFSX_WRITEVERF(v3) ((v3) ? NFSX_V3WRITEVERF : 0) |
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#define NFSX_READDIR(v3) ((v3) ? (5 * NFSX_UNSIGNED) : \ |
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(2 * NFSX_UNSIGNED)) |
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#define NFSX_STATFS(v3) ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS) |
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/* nfs rpc procedure numbers (before version mapping) */ |
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#define NFSPROC_NULL 0 |
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#define NFSPROC_GETATTR 1 |
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#define NFSPROC_SETATTR 2 |
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#define NFSPROC_LOOKUP 3 |
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#define NFSPROC_ACCESS 4 |
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#define NFSPROC_READLINK 5 |
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#define NFSPROC_READ 6 |
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#define NFSPROC_WRITE 7 |
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#define NFSPROC_CREATE 8 |
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#define NFSPROC_MKDIR 9 |
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#define NFSPROC_SYMLINK 10 |
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#define NFSPROC_MKNOD 11 |
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#define NFSPROC_REMOVE 12 |
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#define NFSPROC_RMDIR 13 |
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#define NFSPROC_RENAME 14 |
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#define NFSPROC_LINK 15 |
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#define NFSPROC_READDIR 16 |
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#define NFSPROC_READDIRPLUS 17 |
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#define NFSPROC_FSSTAT 18 |
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#define NFSPROC_FSINFO 19 |
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#define NFSPROC_PATHCONF 20 |
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#define NFSPROC_COMMIT 21 |
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/* And leasing (nqnfs) procedure numbers (must be last) */ |
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#define NQNFSPROC_GETLEASE 22 |
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#define NQNFSPROC_VACATED 23 |
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#define NQNFSPROC_EVICTED 24 |
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#define NFSPROC_NOOP 25 |
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#define NFS_NPROCS 26 |
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/* Actual Version 2 procedure numbers */ |
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#define NFSV2PROC_NULL 0 |
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#define NFSV2PROC_GETATTR 1 |
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#define NFSV2PROC_SETATTR 2 |
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#define NFSV2PROC_NOOP 3 |
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#define NFSV2PROC_ROOT NFSV2PROC_NOOP /* Obsolete */ |
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#define NFSV2PROC_LOOKUP 4 |
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#define NFSV2PROC_READLINK 5 |
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#define NFSV2PROC_READ 6 |
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#define NFSV2PROC_WRITECACHE NFSV2PROC_NOOP /* Obsolete */ |
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#define NFSV2PROC_WRITE 8 |
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#define NFSV2PROC_CREATE 9 |
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#define NFSV2PROC_REMOVE 10 |
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#define NFSV2PROC_RENAME 11 |
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#define NFSV2PROC_LINK 12 |
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#define NFSV2PROC_SYMLINK 13 |
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#define NFSV2PROC_MKDIR 14 |
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#define NFSV2PROC_RMDIR 15 |
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#define NFSV2PROC_READDIR 16 |
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#define NFSV2PROC_STATFS 17 |
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/* |
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* Constants used by the Version 3 protocol for various RPCs |
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*/ |
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#define NFSV3SATTRTIME_DONTCHANGE 0 |
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#define NFSV3SATTRTIME_TOSERVER 1 |
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#define NFSV3SATTRTIME_TOCLIENT 2 |
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#define NFSV3ATTRTIME_NMODES 3 |
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#define NFSV3ACCESS_READ 0x01 |
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#define NFSV3ACCESS_LOOKUP 0x02 |
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#define NFSV3ACCESS_MODIFY 0x04 |
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#define NFSV3ACCESS_EXTEND 0x08 |
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#define NFSV3ACCESS_DELETE 0x10 |
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#define NFSV3ACCESS_EXECUTE 0x20 |
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#define NFSV3ACCESS_FULL 0x3f |
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#define NFSV3WRITE_UNSTABLE 0 |
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#define NFSV3WRITE_DATASYNC 1 |
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#define NFSV3WRITE_FILESYNC 2 |
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#define NFSV3WRITE_NMODES 3 |
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#define NFSV3CREATE_UNCHECKED 0 |
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#define NFSV3CREATE_GUARDED 1 |
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#define NFSV3CREATE_EXCLUSIVE 2 |
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#define NFSV3CREATE_NMODES 3 |
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#define NFSV3FSINFO_LINK 0x01 |
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#define NFSV3FSINFO_SYMLINK 0x02 |
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#define NFSV3FSINFO_HOMOGENEOUS 0x08 |
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#define NFSV3FSINFO_CANSETTIME 0x10 |
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/* Conversion macros */ |
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#define vtonfsv2_mode(t,m) \ |
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txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \ |
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MAKEIMODE((t), (m))) |
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#define vtonfsv3_mode(m) txdr_unsigned((m) & 07777) |
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#define nfstov_mode(a) (fxdr_unsigned(uint16_t, (a))&07777) |
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#define vtonfsv2_type(a) txdr_unsigned(nfsv2_type[((int32_t)(a))]) |
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#define vtonfsv3_type(a) txdr_unsigned(nfsv3_type[((int32_t)(a))]) |
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#define nfsv2tov_type(a) nv2tov_type[fxdr_unsigned(uint32_t,(a))&0x7] |
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#define nfsv3tov_type(a) nv3tov_type[fxdr_unsigned(uint32_t,(a))&0x7] |
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/* File types */ |
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typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5, |
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NFSOCK=6, NFFIFO=7 } nfs_type; |
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/* Structs for common parts of the rpc's */ |
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/* |
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* File Handle (32 bytes for version 2), variable up to 64 for version 3. |
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* File Handles of up to NFS_SMALLFH in size are stored directly in the |
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* nfs node, whereas larger ones are malloc'd. (This never happens when |
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* NFS_SMALLFH is set to 64.) |
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* NFS_SMALLFH should be in the range of 32 to 64 and be divisible by 4. |
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*/ |
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#ifndef NFS_SMALLFH |
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#define NFS_SMALLFH 64 |
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#endif |
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union nfsfh { |
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/* fhandle_t fh_generic; */ |
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u_char fh_bytes[NFS_SMALLFH]; |
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}; |
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typedef union nfsfh nfsfh_t; |
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struct nfsv2_time { |
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uint32_t nfsv2_sec; |
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uint32_t nfsv2_usec; |
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}; |
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typedef struct nfsv2_time nfstime2; |
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struct nfsv3_time { |
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uint32_t nfsv3_sec; |
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uint32_t nfsv3_nsec; |
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}; |
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typedef struct nfsv3_time nfstime3; |
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/* |
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* Quads are defined as arrays of 2 longs to ensure dense packing for the |
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* protocol and to facilitate xdr conversion. |
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*/ |
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struct nfs_uquad { |
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uint32_t nfsuquad[2]; |
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}; |
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typedef struct nfs_uquad nfsuint64; |
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/* |
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* NFS Version 3 special file number. |
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*/ |
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struct nfsv3_spec { |
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uint32_t specdata1; |
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uint32_t specdata2; |
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}; |
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typedef struct nfsv3_spec nfsv3spec; |
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/* |
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* File attributes and setable attributes. These structures cover both |
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* NFS version 2 and the version 3 protocol. Note that the union is only |
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* used so that one pointer can refer to both variants. These structures |
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* go out on the wire and must be densely packed, so no quad data types |
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* are used. (all fields are longs or u_longs or structures of same) |
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* NB: You can't do sizeof(struct nfs_fattr), you must use the |
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* NFSX_FATTR(v3) macro. |
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*/ |
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struct nfs_fattr { |
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uint32_t fa_type; |
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uint32_t fa_mode; |
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uint32_t fa_nlink; |
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uint32_t fa_uid; |
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uint32_t fa_gid; |
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union { |
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struct { |
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uint32_t nfsv2fa_size; |
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uint32_t nfsv2fa_blocksize; |
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uint32_t nfsv2fa_rdev; |
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uint32_t nfsv2fa_blocks; |
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uint32_t nfsv2fa_fsid; |
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uint32_t nfsv2fa_fileid; |
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nfstime2 nfsv2fa_atime; |
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nfstime2 nfsv2fa_mtime; |
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nfstime2 nfsv2fa_ctime; |
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} fa_nfsv2; |
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struct { |
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nfsuint64 nfsv3fa_size; |
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nfsuint64 nfsv3fa_used; |
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nfsv3spec nfsv3fa_rdev; |
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nfsuint64 nfsv3fa_fsid; |
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nfsuint64 nfsv3fa_fileid; |
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nfstime3 nfsv3fa_atime; |
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nfstime3 nfsv3fa_mtime; |
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nfstime3 nfsv3fa_ctime; |
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} fa_nfsv3; |
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} fa_un; |
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}; |
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/* and some ugly defines for accessing union components */ |
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#define fa2_size fa_un.fa_nfsv2.nfsv2fa_size |
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#define fa2_blocksize fa_un.fa_nfsv2.nfsv2fa_blocksize |
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#define fa2_rdev fa_un.fa_nfsv2.nfsv2fa_rdev |
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#define fa2_blocks fa_un.fa_nfsv2.nfsv2fa_blocks |
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#define fa2_fsid fa_un.fa_nfsv2.nfsv2fa_fsid |
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#define fa2_fileid fa_un.fa_nfsv2.nfsv2fa_fileid |
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#define fa2_atime fa_un.fa_nfsv2.nfsv2fa_atime |
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#define fa2_mtime fa_un.fa_nfsv2.nfsv2fa_mtime |
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#define fa2_ctime fa_un.fa_nfsv2.nfsv2fa_ctime |
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#define fa3_size fa_un.fa_nfsv3.nfsv3fa_size |
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#define fa3_used fa_un.fa_nfsv3.nfsv3fa_used |
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#define fa3_rdev fa_un.fa_nfsv3.nfsv3fa_rdev |
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#define fa3_fsid fa_un.fa_nfsv3.nfsv3fa_fsid |
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#define fa3_fileid fa_un.fa_nfsv3.nfsv3fa_fileid |
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#define fa3_atime fa_un.fa_nfsv3.nfsv3fa_atime |
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#define fa3_mtime fa_un.fa_nfsv3.nfsv3fa_mtime |
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#define fa3_ctime fa_un.fa_nfsv3.nfsv3fa_ctime |
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struct nfsv2_sattr { |
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uint32_t sa_mode; |
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uint32_t sa_uid; |
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uint32_t sa_gid; |
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uint32_t sa_size; |
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nfstime2 sa_atime; |
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nfstime2 sa_mtime; |
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}; |
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/* |
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* NFS Version 3 sattr structure for the new node creation case. |
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*/ |
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struct nfsv3_sattr { |
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uint32_t sa_modeset; |
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uint32_t sa_mode; |
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uint32_t sa_uidset; |
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uint32_t sa_uid; |
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uint32_t sa_gidset; |
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uint32_t sa_gid; |
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uint32_t sa_sizeset; |
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uint32_t sa_size; |
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uint32_t sa_atimetype; |
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nfstime3 sa_atime; |
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uint32_t sa_mtimetype; |
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nfstime3 sa_mtime; |
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}; |
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struct nfs_statfs { |
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union { |
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struct { |
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uint32_t nfsv2sf_tsize; |
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uint32_t nfsv2sf_bsize; |
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uint32_t nfsv2sf_blocks; |
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uint32_t nfsv2sf_bfree; |
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uint32_t nfsv2sf_bavail; |
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} sf_nfsv2; |
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struct { |
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nfsuint64 nfsv3sf_tbytes; |
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nfsuint64 nfsv3sf_fbytes; |
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nfsuint64 nfsv3sf_abytes; |
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nfsuint64 nfsv3sf_tfiles; |
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nfsuint64 nfsv3sf_ffiles; |
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nfsuint64 nfsv3sf_afiles; |
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uint32_t nfsv3sf_invarsec; |
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} sf_nfsv3; |
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} sf_un; |
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}; |
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#define sf_tsize sf_un.sf_nfsv2.nfsv2sf_tsize |
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#define sf_bsize sf_un.sf_nfsv2.nfsv2sf_bsize |
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#define sf_blocks sf_un.sf_nfsv2.nfsv2sf_blocks |
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#define sf_bfree sf_un.sf_nfsv2.nfsv2sf_bfree |
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#define sf_bavail sf_un.sf_nfsv2.nfsv2sf_bavail |
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#define sf_tbytes sf_un.sf_nfsv3.nfsv3sf_tbytes |
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#define sf_fbytes sf_un.sf_nfsv3.nfsv3sf_fbytes |
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#define sf_abytes sf_un.sf_nfsv3.nfsv3sf_abytes |
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#define sf_tfiles sf_un.sf_nfsv3.nfsv3sf_tfiles |
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#define sf_ffiles sf_un.sf_nfsv3.nfsv3sf_ffiles |
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#define sf_afiles sf_un.sf_nfsv3.nfsv3sf_afiles |
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#define sf_invarsec sf_un.sf_nfsv3.nfsv3sf_invarsec |
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struct nfsv3_fsinfo { |
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uint32_t fs_rtmax; |
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uint32_t fs_rtpref; |
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uint32_t fs_rtmult; |
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uint32_t fs_wtmax; |
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uint32_t fs_wtpref; |
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uint32_t fs_wtmult; |
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uint32_t fs_dtpref; |
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nfsuint64 fs_maxfilesize; |
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nfstime3 fs_timedelta; |
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uint32_t fs_properties; |
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}; |
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struct nfsv3_pathconf { |
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uint32_t pc_linkmax; |
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uint32_t pc_namemax; |
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uint32_t pc_notrunc; |
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uint32_t pc_chownrestricted; |
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uint32_t pc_caseinsensitive; |
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uint32_t pc_casepreserving; |
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};
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