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         struct kstat            stat;
 140 };
 141
 142 struct nfsd3_readlinkres {
 143         __be32                  status;
 144         struct svc_fh           fh;
 145         __u32                   len;
 146 };
 147
 148 struct nfsd3_readres {
 149         __be32                  status;
 150         struct svc_fh           fh;
 151         unsigned long           count;
 152         int                     eof;
 153 };
 154
 155 struct nfsd3_writeres {
 156         __be32                  status;
 157         struct svc_fh           fh;
 158         unsigned long           count;
 159         int                     committed;
 160 };
 161
 162 struct nfsd3_renameres {
 163         __be32                  status;
 164         struct svc_fh           ffh;
 165         struct svc_fh           tfh;
 166 };
 167
 168 struct nfsd3_linkres {
 169         __be32                  status;
 170         struct svc_fh           tfh;
 171         struct svc_fh           fh;
 172 };
 173
 174 struct nfsd3_readdirres {
 175         __be32                  status;
 176         struct svc_fh           fh;
 177         /* Just to save kmalloc on every readdirplus entry (svc_fh is a
 178          * little large for the stack): */
 179         struct svc_fh           scratch;
 180         int                     count;
 181         __be32                  verf[2];
 182
 183         struct readdir_cd       common;
 184         __be32 *                buffer;
 185         int                     buflen;
 186         __be32 *                offset;
 187         __be32 *                offset1;
 188         struct svc_rqst *       rqstp;
 189
 190 };
 191
 192 struct nfsd3_fsstatres {
 193         __be32                  status;
 194         struct kstatfs          stats;
 195         __u32                   invarsec;
 196 };
 197
 198 struct nfsd3_fsinfores {
 199         __be32                  status;
 200         __u32                   f_rtmax;
 201         __u32                   f_rtpref;
 202         __u32                   f_rtmult;
 203         __u32                   f_wtmax;
 204         __u32                   f_wtpref;
 205         __u32                   f_wtmult;
 206         __u32                   f_dtpref;
 207         __u64                   f_maxfilesize;
 208         __u32                   f_properties;
 209 };
 210
 211 struct nfsd3_pathconfres {
 212         __be32                  status;
 213         __u32                   p_link_max;
 214         __u32                   p_name_max;
 215         __u32                   p_no_trunc;
 216         __u32                   p_chown_restricted;
 217         __u32                   p_case_insensitive;
 218         __u32                   p_case_preserving;
 219 };
 220
 221 struct nfsd3_commitres {
 222         __be32                  status;
 223         struct svc_fh           fh;
 224 };
 225
 226 struct nfsd3_getaclres {
 227         __be32                  status;
 228         struct svc_fh           fh;
 229         int                     mask;
 230         struct posix_acl        *acl_access;
 231         struct posix_acl        *acl_default;
 232         struct kstat            stat;
 233 };
 234
 235 /* dummy type for release */
 236 struct nfsd3_fhandle_pair {
 237         __u32                   dummy;
 238         struct svc_fh           fh1;
 239         struct svc_fh           fh2;
 240 };
 241
 242 /*
 243  * Storage requirements for XDR arguments and results.
 244  */
 245 union nfsd3_xdrstore {
 246         struct nfsd3_sattrargs          sattrargs;
 247         struct nfsd3_diropargs          diropargs;
 248         struct nfsd3_readargs           readargs;
 249         struct nfsd3_writeargs          writeargs;
 250         struct nfsd3_createargs         createargs;
 251         struct nfsd3_renameargs         renameargs;
 252         struct nfsd3_linkargs           linkargs;
 253         struct nfsd3_symlinkargs        symlinkargs;
 254         struct nfsd3_readdirargs        readdirargs;
 255         struct nfsd3_diropres           diropres;
 256         struct nfsd3_accessres          accessres;
 257         struct nfsd3_readlinkres        readlinkres;
 258         struct nfsd3_readres            readres;
 259         struct nfsd3_writeres           writeres;
 260         struct nfsd3_renameres          renameres;
 261         struct nfsd3_linkres            linkres;
 262         struct nfsd3_readdirres         readdirres;
 263         struct nfsd3_fsstatres          fsstatres;
 264         struct nfsd3_fsinfores          fsinfores;
 265         struct nfsd3_pathconfres        pathconfres;
 266         struct nfsd3_commitres          commitres;
 267         struct nfsd3_getaclres          getaclres;
 268 };
 269
 270 #define NFS3_SVC_XDRSIZE                sizeof(union nfsd3_xdrstore)
 271
 272 int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *);
 273 int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *);
 274 int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *);
 275 int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *);
 276 int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *);
 277 int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *);
 278 int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *);
 279 int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *);
 280 int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *);
 281 int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *);
 282 int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *);
 283 int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *);
 284 int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *);
 285 int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *);
 286 int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *);
 287 int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *);
 288 int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *);
 289 int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *);
 290 int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *);
 291 int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *);
 292 int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *);
 293 int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *);
 294 int nfs3svc_encode_readres(struct svc_rqst *, __be32 *);
 295 int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *);
 296 int nfs3svc_encode_createres(struct svc_rqst *, __be32 *);
 297 int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *);
 298 int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *);
 299 int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *);
 300 int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *);
 301 int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *);
 302 int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *);
 303 int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *);
 304
 305 void nfs3svc_release_fhandle(struct svc_rqst *);
 306 void nfs3svc_release_fhandle2(struct svc_rqst *);
 307 int nfs3svc_encode_entry(void *, const char *name,
 308                                 int namlen, loff_t offset, u64 ino,
 309                                 unsigned int);
 310 int nfs3svc_encode_entry_plus(void *, const char *name,
 311                                 int namlen, loff_t offset, u64 ino,
 312                                 unsigned int);
 313 /* Helper functions for NFSv3 ACL code */
 314 __be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p,
 315                                 struct svc_fh *fhp);
 316 __be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp);
 317
 318
 319 #endif /* _LINUX_NFSD_XDR3_H */