linux/fs/nfsd/xdr3.h
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   1/*
   2 * XDR types for NFSv3 in nfsd.
   3 *
   4 * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de>
   5 */
   6
   7#ifndef _LINUX_NFSD_XDR3_H
   8#define _LINUX_NFSD_XDR3_H
   9
  10#include "xdr.h"
  11
  12struct nfsd3_sattrargs {
  13        struct svc_fh           fh;
  14        struct iattr            attrs;
  15        int                     check_guard;
  16        time_t                  guardtime;
  17};
  18
  19struct nfsd3_diropargs {
  20        struct svc_fh           fh;
  21        char *                  name;
  22        unsigned int            len;
  23};
  24
  25struct nfsd3_accessargs {
  26        struct svc_fh           fh;
  27        unsigned int            access;
  28};
  29
  30struct nfsd3_readargs {
  31        struct svc_fh           fh;
  32        __u64                   offset;
  33        __u32                   count;
  34        int                     vlen;
  35};
  36
  37struct nfsd3_writeargs {
  38        svc_fh                  fh;
  39        __u64                   offset;
  40        __u32                   count;
  41        int                     stable;
  42        __u32                   len;
  43        int                     vlen;
  44};
  45
  46struct nfsd3_createargs {
  47        struct svc_fh           fh;
  48        char *                  name;
  49        unsigned int            len;
  50        int                     createmode;
  51        struct iattr            attrs;
  52        __be32 *                verf;
  53};
  54
  55struct nfsd3_mknodargs {
  56        struct svc_fh           fh;
  57        char *                  name;
  58        unsigned int            len;
  59        __u32                   ftype;
  60        __u32                   major, minor;
  61        struct iattr            attrs;
  62};
  63
  64struct nfsd3_renameargs {
  65        struct svc_fh           ffh;
  66        char *                  fname;
  67        unsigned int            flen;
  68        struct svc_fh           tfh;
  69        char *                  tname;
  70        unsigned int            tlen;
  71};
  72
  73struct nfsd3_readlinkargs {
  74        struct svc_fh           fh;
  75        char *                  buffer;
  76};
  77
  78struct nfsd3_linkargs {
  79        struct svc_fh           ffh;
  80        struct svc_fh           tfh;
  81        char *                  tname;
  82        unsigned int            tlen;
  83};
  84
  85struct nfsd3_symlinkargs {
  86        struct svc_fh           ffh;
  87        char *                  fname;
  88        unsigned int            flen;
  89        char *                  tname;
  90        unsigned int            tlen;
  91        struct iattr            attrs;
  92};
  93
  94struct nfsd3_readdirargs {
  95        struct svc_fh           fh;
  96        __u64                   cookie;
  97        __u32                   dircount;
  98        __u32                   count;
  99        __be32 *                verf;
 100        __be32 *                buffer;
 101};
 102
 103struct nfsd3_commitargs {
 104        struct svc_fh           fh;
 105        __u64                   offset;
 106        __u32                   count;
 107};
 108
 109struct nfsd3_getaclargs {
 110        struct svc_fh           fh;
 111        int                     mask;
 112};
 113
 114struct posix_acl;
 115struct nfsd3_setaclargs {
 116        struct svc_fh           fh;
 117        int                     mask;
 118        struct posix_acl        *acl_access;
 119        struct posix_acl        *acl_default;
 120};
 121
 122struct nfsd3_attrstat {
 123        __be32                  status;
 124        struct svc_fh           fh;
 125        struct kstat            stat;
 126};
 127
 128/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
 129struct nfsd3_diropres  {
 130        __be32                  status;
 131        struct svc_fh           dirfh;
 132        struct svc_fh           fh;
 133};
 134
 135struct nfsd3_accessres {
 136        __be32                  status;
 137        struct svc_fh           fh;
 138        __u32                   access;
 139};
 140
 141struct nfsd3_readlinkres {
 142        __be32                  status;
 143        struct svc_fh           fh;
 144        __u32                   len;
 145};
 146
 147struct nfsd3_readres {
 148        __be32                  status;
 149        struct svc_fh           fh;
 150        unsigned long           count;
 151        int                     eof;
 152};
 153
 154struct nfsd3_writeres {
 155        __be32                  status;
 156        struct svc_fh           fh;
 157        unsigned long           count;
 158        int                     committed;
 159};
 160
 161struct nfsd3_renameres {
 162        __be32                  status;
 163        struct svc_fh           ffh;
 164        struct svc_fh           tfh;
 165};
 166
 167struct nfsd3_linkres {
 168        __be32                  status;
 169        struct svc_fh           tfh;
 170        struct svc_fh           fh;
 171};
 172
 173struct nfsd3_readdirres {
 174        __be32                  status;
 175        struct svc_fh           fh;
 176        int                     count;
 177        __be32                  verf[2];
 178
 179        struct readdir_cd       common;
 180        __be32 *                buffer;
 181        int                     buflen;
 182        __be32 *                offset;
 183        __be32 *                offset1;
 184        struct svc_rqst *       rqstp;
 185
 186};
 187
 188struct nfsd3_fsstatres {
 189        __be32                  status;
 190        struct kstatfs          stats;
 191        __u32                   invarsec;
 192};
 193
 194struct nfsd3_fsinfores {
 195        __be32                  status;
 196        __u32                   f_rtmax;
 197        __u32                   f_rtpref;
 198        __u32                   f_rtmult;
 199        __u32                   f_wtmax;
 200        __u32                   f_wtpref;
 201        __u32                   f_wtmult;
 202        __u32                   f_dtpref;
 203        __u64                   f_maxfilesize;
 204        __u32                   f_properties;
 205};
 206
 207struct nfsd3_pathconfres {
 208        __be32                  status;
 209        __u32                   p_link_max;
 210        __u32                   p_name_max;
 211        __u32                   p_no_trunc;
 212        __u32                   p_chown_restricted;
 213        __u32                   p_case_insensitive;
 214        __u32                   p_case_preserving;
 215};
 216
 217struct nfsd3_commitres {
 218        __be32                  status;
 219        struct svc_fh           fh;
 220};
 221
 222struct nfsd3_getaclres {
 223        __be32                  status;
 224        struct svc_fh           fh;
 225        int                     mask;
 226        struct posix_acl        *acl_access;
 227        struct posix_acl        *acl_default;
 228};
 229
 230/* dummy type for release */
 231struct nfsd3_fhandle_pair {
 232        __u32                   dummy;
 233        struct svc_fh           fh1;
 234        struct svc_fh           fh2;
 235};
 236
 237/*
 238 * Storage requirements for XDR arguments and results.
 239 */
 240union nfsd3_xdrstore {
 241        struct nfsd3_sattrargs          sattrargs;
 242        struct nfsd3_diropargs          diropargs;
 243        struct nfsd3_readargs           readargs;
 244        struct nfsd3_writeargs          writeargs;
 245        struct nfsd3_createargs         createargs;
 246        struct nfsd3_renameargs         renameargs;
 247        struct nfsd3_linkargs           linkargs;
 248        struct nfsd3_symlinkargs        symlinkargs;
 249        struct nfsd3_readdirargs        readdirargs;
 250        struct nfsd3_diropres           diropres;
 251        struct nfsd3_accessres          accessres;
 252        struct nfsd3_readlinkres        readlinkres;
 253        struct nfsd3_readres            readres;
 254        struct nfsd3_writeres           writeres;
 255        struct nfsd3_renameres          renameres;
 256        struct nfsd3_linkres            linkres;
 257        struct nfsd3_readdirres         readdirres;
 258        struct nfsd3_fsstatres          fsstatres;
 259        struct nfsd3_fsinfores          fsinfores;
 260        struct nfsd3_pathconfres        pathconfres;
 261        struct nfsd3_commitres          commitres;
 262        struct nfsd3_getaclres          getaclres;
 263};
 264
 265#define NFS3_SVC_XDRSIZE                sizeof(union nfsd3_xdrstore)
 266
 267int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
 268int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
 269                                struct nfsd3_sattrargs *);
 270int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
 271                                struct nfsd3_diropargs *);
 272int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
 273                                struct nfsd3_accessargs *);
 274int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
 275                                struct nfsd3_readargs *);
 276int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
 277                                struct nfsd3_writeargs *);
 278int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
 279                                struct nfsd3_createargs *);
 280int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
 281                                struct nfsd3_createargs *);
 282int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
 283                                struct nfsd3_mknodargs *);
 284int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
 285                                struct nfsd3_renameargs *);
 286int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
 287                                struct nfsd3_readlinkargs *);
 288int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
 289                                struct nfsd3_linkargs *);
 290int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
 291                                struct nfsd3_symlinkargs *);
 292int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
 293                                struct nfsd3_readdirargs *);
 294int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
 295                                struct nfsd3_readdirargs *);
 296int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
 297                                struct nfsd3_commitargs *);
 298int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
 299int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
 300                                struct nfsd3_attrstat *);
 301int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
 302                                struct nfsd3_attrstat *);
 303int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
 304                                struct nfsd3_diropres *);
 305int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
 306                                struct nfsd3_accessres *);
 307int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
 308                                struct nfsd3_readlinkres *);
 309int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
 310int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
 311int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
 312                                struct nfsd3_diropres *);
 313int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
 314                                struct nfsd3_renameres *);
 315int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
 316                                struct nfsd3_linkres *);
 317int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
 318                                struct nfsd3_readdirres *);
 319int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
 320                                struct nfsd3_fsstatres *);
 321int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
 322                                struct nfsd3_fsinfores *);
 323int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
 324                                struct nfsd3_pathconfres *);
 325int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
 326                                struct nfsd3_commitres *);
 327
 328int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
 329                                struct nfsd3_attrstat *);
 330int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
 331                                struct nfsd3_fhandle_pair *);
 332int nfs3svc_encode_entry(void *, const char *name,
 333                                int namlen, loff_t offset, u64 ino,
 334                                unsigned int);
 335int nfs3svc_encode_entry_plus(void *, const char *name,
 336                                int namlen, loff_t offset, u64 ino,
 337                                unsigned int);
 338/* Helper functions for NFSv3 ACL code */
 339__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
 340                                struct svc_fh *fhp);
 341__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
 342
 343
 344#endif /* _LINUX_NFSD_XDR3_H */
 345
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