1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * 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 * %sccs.include.redist.c% 9 * 10 * @(#)nfsproto.h 7.10 (Berkeley) 09/16/92 11 */ 12 13 /* 14 * nfs definitions as per the version 2 specs 15 */ 16 17 /* 18 * Constants as defined in the Sun NFS Version 2 spec. 19 * "NFS: Network File System Protocol Specification" RFC1094 20 */ 21 22 #define NFS_PORT 2049 23 #define NFS_PROG 100003 24 #define NFS_VER2 2 25 #define NFS_MAXDGRAMDATA 8192 26 #define NFS_MAXDATA 32768 27 #define NFS_MAXPATHLEN 1024 28 #define NFS_MAXNAMLEN 255 29 #define NFS_FHSIZE 32 30 #define NFS_MAXPKTHDR 404 31 #define NFS_MAXPACKET (NFS_MAXPKTHDR+NFS_MAXDATA) 32 #define NFS_MINPACKET 20 33 #define NFS_FABLKSIZE 512 /* Size in bytes of a block wrt fa_blocks */ 34 35 /* Stat numbers for rpc returns */ 36 #define NFS_OK 0 37 #define NFSERR_PERM 1 38 #define NFSERR_NOENT 2 39 #define NFSERR_IO 5 40 #define NFSERR_NXIO 6 41 #define NFSERR_ACCES 13 42 #define NFSERR_EXIST 17 43 #define NFSERR_NODEV 19 44 #define NFSERR_NOTDIR 20 45 #define NFSERR_ISDIR 21 46 #define NFSERR_FBIG 27 47 #define NFSERR_NOSPC 28 48 #define NFSERR_ROFS 30 49 #define NFSERR_NAMETOL 63 50 #define NFSERR_NOTEMPTY 66 51 #define NFSERR_DQUOT 69 52 #define NFSERR_STALE 70 53 #define NFSERR_WFLUSH 99 54 55 /* Sizes in bytes of various nfs rpc components */ 56 #define NFSX_FH 32 57 #define NFSX_UNSIGNED 4 58 #define NFSX_NFSFATTR 68 59 #define NFSX_NQFATTR 92 60 #define NFSX_NFSSATTR 32 61 #define NFSX_NQSATTR 44 62 #define NFSX_COOKIE 4 63 #define NFSX_NFSSTATFS 20 64 #define NFSX_NQSTATFS 28 65 #define NFSX_FATTR(isnq) ((isnq) ? NFSX_NQFATTR : NFSX_NFSFATTR) 66 #define NFSX_SATTR(isnq) ((isnq) ? NFSX_NQSATTR : NFSX_NFSSATTR) 67 #define NFSX_STATFS(isnq) ((isnq) ? NFSX_NQSTATFS : NFSX_NFSSTATFS) 68 69 /* nfs rpc procedure numbers */ 70 #define NFSPROC_NULL 0 71 #define NFSPROC_GETATTR 1 72 #define NFSPROC_SETATTR 2 73 #define NFSPROC_NOOP 3 74 #define NFSPROC_ROOT NFSPROC_NOOP /* Obsolete */ 75 #define NFSPROC_LOOKUP 4 76 #define NFSPROC_READLINK 5 77 #define NFSPROC_READ 6 78 #define NFSPROC_WRITECACHE NFSPROC_NOOP /* Obsolete */ 79 #define NFSPROC_WRITE 8 80 #define NFSPROC_CREATE 9 81 #define NFSPROC_REMOVE 10 82 #define NFSPROC_RENAME 11 83 #define NFSPROC_LINK 12 84 #define NFSPROC_SYMLINK 13 85 #define NFSPROC_MKDIR 14 86 #define NFSPROC_RMDIR 15 87 #define NFSPROC_READDIR 16 88 #define NFSPROC_STATFS 17 89 90 /* NQ nfs numbers */ 91 #define NQNFSPROC_READDIRLOOK 18 92 #define NQNFSPROC_GETLEASE 19 93 #define NQNFSPROC_VACATED 20 94 #define NQNFSPROC_EVICTED 21 95 96 #define NFS_NPROCS 22 97 /* Conversion macros */ 98 extern int vttoif_tab[]; 99 #define vtonfs_mode(t,m) \ 100 txdr_unsigned(((t) == VFIFO) ? MAKEIMODE(VCHR, (m)) : \ 101 MAKEIMODE((t), (m))) 102 #define nfstov_mode(a) (fxdr_unsigned(u_short, (a))&07777) 103 #define vtonfs_type(a) txdr_unsigned(nfs_type[((long)(a))]) 104 #define nfstov_type(a) ntov_type[fxdr_unsigned(u_long,(a))&0x7] 105 106 /* File types */ 107 typedef enum { NFNON=0, NFREG=1, NFDIR=2, NFBLK=3, NFCHR=4, NFLNK=5 } nfstype; 108 109 /* Structs for common parts of the rpc's */ 110 struct nfsv2_time { 111 u_long nfs_sec; 112 u_long nfs_usec; 113 }; 114 115 struct nqnfs_time { 116 u_long nq_sec; 117 u_long nq_nsec; 118 }; 119 120 /* 121 * File attributes and setable attributes. These structures cover both 122 * NFS version 2 and the NQNFS protocol. Note that the union is only 123 * used to that one pointer can refer to both variants. These structures 124 * go out on the wire and must be densely packed, so no quad data types 125 * are used. (all fields are longs or u_longs or structures of same) 126 * NB: You can't do sizeof(struct nfsv2_fattr), you must use the 127 * NFSX_FATTR(isnq) macro. 128 */ 129 struct nfsv2_fattr { 130 u_long fa_type; 131 u_long fa_mode; 132 u_long fa_nlink; 133 u_long fa_uid; 134 u_long fa_gid; 135 union { 136 struct { 137 u_long nfsfa_size; 138 u_long nfsfa_blocksize; 139 u_long nfsfa_rdev; 140 u_long nfsfa_blocks; 141 u_long nfsfa_fsid; 142 u_long nfsfa_fileid; 143 struct nfsv2_time nfsfa_atime; 144 struct nfsv2_time nfsfa_mtime; 145 struct nfsv2_time nfsfa_ctime; 146 } fa_nfsv2; 147 struct { 148 struct { 149 u_long nqfa_qsize[2]; 150 } nqfa_size; 151 u_long nqfa_blocksize; 152 u_long nqfa_rdev; 153 struct { 154 u_long nqfa_qbytes[2]; 155 } nqfa_bytes; 156 u_long nqfa_fsid; 157 u_long nqfa_fileid; 158 struct nqnfs_time nqfa_atime; 159 struct nqnfs_time nqfa_mtime; 160 struct nqnfs_time nqfa_ctime; 161 u_long nqfa_flags; 162 u_long nqfa_gen; 163 struct { 164 u_long nqfa_qfilerev[2]; 165 } nqfa_filerev; 166 } fa_nqnfs; 167 } fa_un; 168 }; 169 170 /* and some ugly defines for accessing union components */ 171 #define fa_nfssize fa_un.fa_nfsv2.nfsfa_size 172 #define fa_nfsblocksize fa_un.fa_nfsv2.nfsfa_blocksize 173 #define fa_nfsrdev fa_un.fa_nfsv2.nfsfa_rdev 174 #define fa_nfsblocks fa_un.fa_nfsv2.nfsfa_blocks 175 #define fa_nfsfsid fa_un.fa_nfsv2.nfsfa_fsid 176 #define fa_nfsfileid fa_un.fa_nfsv2.nfsfa_fileid 177 #define fa_nfsatime fa_un.fa_nfsv2.nfsfa_atime 178 #define fa_nfsmtime fa_un.fa_nfsv2.nfsfa_mtime 179 #define fa_nfsctime fa_un.fa_nfsv2.nfsfa_ctime 180 #define fa_nqsize fa_un.fa_nqnfs.nqfa_size 181 #define fa_nqblocksize fa_un.fa_nqnfs.nqfa_blocksize 182 #define fa_nqrdev fa_un.fa_nqnfs.nqfa_rdev 183 #define fa_nqbytes fa_un.fa_nqnfs.nqfa_bytes 184 #define fa_nqfsid fa_un.fa_nqnfs.nqfa_fsid 185 #define fa_nqfileid fa_un.fa_nqnfs.nqfa_fileid 186 #define fa_nqatime fa_un.fa_nqnfs.nqfa_atime 187 #define fa_nqmtime fa_un.fa_nqnfs.nqfa_mtime 188 #define fa_nqctime fa_un.fa_nqnfs.nqfa_ctime 189 #define fa_nqflags fa_un.fa_nqnfs.nqfa_flags 190 #define fa_nqgen fa_un.fa_nqnfs.nqfa_gen 191 #define fa_nqfilerev fa_un.fa_nqnfs.nqfa_filerev 192 193 struct nfsv2_sattr { 194 u_long sa_mode; 195 u_long sa_uid; 196 u_long sa_gid; 197 union { 198 struct { 199 u_long nfssa_size; 200 struct nfsv2_time nfssa_atime; 201 struct nfsv2_time nfssa_mtime; 202 } sa_nfsv2; 203 struct { 204 struct { 205 u_long nqsa_qsize[2]; 206 } nqsa_size; 207 struct nqnfs_time nqsa_atime; 208 struct nqnfs_time nqsa_mtime; 209 u_long nqsa_flags; 210 u_long nqsa_rdev; 211 } sa_nqnfs; 212 } sa_un; 213 }; 214 215 /* and some ugly defines for accessing the unions */ 216 #define sa_nfssize sa_un.sa_nfsv2.nfssa_size 217 #define sa_nfsatime sa_un.sa_nfsv2.nfssa_atime 218 #define sa_nfsmtime sa_un.sa_nfsv2.nfssa_mtime 219 #define sa_nqsize sa_un.sa_nqnfs.nqsa_size 220 #define sa_nqatime sa_un.sa_nqnfs.nqsa_atime 221 #define sa_nqmtime sa_un.sa_nqnfs.nqsa_mtime 222 #define sa_nqflags sa_un.sa_nqnfs.nqsa_flags 223 #define sa_nqrdev sa_un.sa_nqnfs.nqsa_rdev 224 225 struct nfsv2_statfs { 226 u_long sf_tsize; 227 u_long sf_bsize; 228 u_long sf_blocks; 229 u_long sf_bfree; 230 u_long sf_bavail; 231 u_long sf_files; /* Nqnfs only */ 232 u_long sf_ffree; /* ditto */ 233 }; 234