fs/nfsd/xdr3.h

   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
  12 struct nfsd3_sattrargs {
  13         struct svc_fh           fh;
  14         struct iattr            attrs;
  15         int                     check_guard;
  16         time_t                  guardtime;
  17 };
  18
  19 struct nfsd3_diropargs {
  20         struct svc_fh           fh;
  21         char *                  name;
  22         unsigned int            len;
  23 };
  24
  25 struct nfsd3_accessargs {
  26         struct svc_fh           fh;
  27         unsigned int            access;
  28 };
  29
  30 struct nfsd3_readargs {
  31         struct svc_fh           fh;
  32         __u64                   offset;
  33         __u32                   count;
  34         int                     vlen;
  35 };
  36
  37 struct nfsd3_writeargs {
  38         svc_fh                  fh;
  39         __u64                   offset;
  40         __u32                   count;
  41         int                     stable;
  42         __u32                   len;
  43         int                     vlen;
  44 };
  45
  46 struct 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
  55 struct 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
  64 struct 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
  73 struct nfsd3_readlinkargs {
  74         struct svc_fh           fh;
  75         char *                  buffer;
  76 };
  77
  78 struct nfsd3_linkargs {
  79         struct svc_fh           ffh;
  80         struct svc_fh           tfh;
  81         char *                  tname;
  82         unsigned int            tlen;
  83 };
  84
  85 struct 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
  94 struct nfsd3_readdirargs {
  95         struct svc_fh           fh;
  96         __u64                   cookie;
  97         __u32                   dircount;
  98         __u32                   count;
  99         __be32 *                verf;
 100         __be32 *                buffer;
 101 };
 102
 103 struct nfsd3_commitargs {
 104         struct svc_fh           fh;
 105         __u64                   offset;
 106         __u32                   count;
 107 };
 108
 109 struct nfsd3_getaclargs {
 110         struct svc_fh           fh;
 111         int                     mask;
 112 };
 113
 114 struct posix_acl;
 115 struct nfsd3_setaclargs {
 116         struct svc_fh           fh;
 117         int                     mask;
 118         struct posix_acl        *acl_access;
 119         struct posix_acl        *acl_default;
 120 };
 121
 122 struct nfsd3_attrstat {
 123         __be32                  status;
 124         struct svc_fh           fh;
 125         struct kstat            stat;
 126 };
 127
 128 /* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */
 129 struct nfsd3_diropres  {
 130         __be32                  status;
 131         struct svc_fh           dirfh;
 132         struct svc_fh           fh;
 133 };
 134
 135 struct nfsd3_accessres {
 136         __be32                  status;
 137         struct svc_fh           fh;
 138         __u32                   access;
 139 };
 140
 141 struct nfsd3_readlinkres {
 142         __be32                  status;
 143         struct svc_fh           fh;
 144         __u32                   len;
 145 };
 146
 147 struct nfsd3_readres {
 148         __be32                  status;
 149         struct svc_fh           fh;
 150         unsigned long           count;
 151         int                     eof;
 152 };
 153
 154 struct nfsd3_writeres {
 155         __be32                  status;
 156         struct svc_fh           fh;
 157         unsigned long           count;
 158         int                     committed;
 159 };
 160
 161 struct nfsd3_renameres {
 162         __be32                  status;
 163         struct svc_fh           ffh;
 164         struct svc_fh           tfh;
 165 };
 166
 167 struct nfsd3_linkres {
 168         __be32                  status;
 169         struct svc_fh           tfh;
 170         struct svc_fh           fh;
 171 };
 172
 173 struct 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
 188 struct nfsd3_fsstatres {
 189         __be32                  status;
 190         struct kstatfs          stats;
 191         __u32                   invarsec;
 192 };
 193
 194 struct 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
 207 struct 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
 217 struct nfsd3_commitres {
 218         __be32                  status;
 219         struct svc_fh           fh;
 220 };
 221
 222 struct 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 */
 231 struct 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  */
 240 union 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
 267 int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
 268 int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *,
 269                                 struct nfsd3_sattrargs *);
 270 int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *,
 271                                 struct nfsd3_diropargs *);
 272 int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *,
 273                                 struct nfsd3_accessargs *);
 274 int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *,
 275                                 struct nfsd3_readargs *);
 276 int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *,
 277                                 struct nfsd3_writeargs *);
 278 int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *,
 279                                 struct nfsd3_createargs *);
 280 int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *,
 281                                 struct nfsd3_createargs *);
 282 int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *,
 283                                 struct nfsd3_mknodargs *);
 284 int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *,
 285                                 struct nfsd3_renameargs *);
 286 int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *,
 287                                 struct nfsd3_readlinkargs *);
 288 int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *,
 289                                 struct nfsd3_linkargs *);
 290 int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *,
 291                                 struct nfsd3_symlinkargs *);
 292 int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *,
 293                                 struct nfsd3_readdirargs *);
 294 int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *,
 295                                 struct nfsd3_readdirargs *);
 296 int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *,
 297                                 struct nfsd3_commitargs *);
 298 int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
 299 int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *,
 300                                 struct nfsd3_attrstat *);
 301 int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *,
 302                                 struct nfsd3_attrstat *);
 303 int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *,
 304                                 struct nfsd3_diropres *);
 305 int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *,
 306                                 struct nfsd3_accessres *);
 307 int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *,
 308                                 struct nfsd3_readlinkres *);
 309 int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *);
 310 int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *);
 311 int nfs3svc_encode_createres(struct svc_rqst *, __be32 *,
 312                                 struct nfsd3_diropres *);
 313 int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *,
 314                                 struct nfsd3_renameres *);
 315 int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *,
 316                                 struct nfsd3_linkres *);
 317 int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *,
 318                                 struct nfsd3_readdirres *);
 319 int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *,
 320                                 struct nfsd3_fsstatres *);
 321 int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *,
 322                                 struct nfsd3_fsinfores *);
 323 int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *,
 324                                 struct nfsd3_pathconfres *);
 325 int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *,
 326                                 struct nfsd3_commitres *);
 327
 328 int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *,
 329                                 struct nfsd3_attrstat *);
 330 int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *,
 331                                 struct nfsd3_fhandle_pair *);
 332 int nfs3svc_encode_entry(void *, const char *name,
 333                                 int namlen, loff_t offset, u64 ino,
 334                                 unsigned int);
 335 int 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 */