include/linux/nfsd/xdr.h

   1 /*
   2  * linux/inxlude/linux/nfsd/xdr.h
   3  *
   4  * XDR types for nfsd. This is mainly a typing exercise.
   5  */
   6
   7 #ifndef LINUX_NFSD_H
   8 #define LINUX_NFSD_H
   9
  10 #include <linux/fs.h>
  11 #include <linux/nfs.h>
  12
  13 struct nfsd_fhandle {
  14         struct svc_fh           fh;
  15 };
  16
  17 struct nfsd_sattrargs {
  18         struct svc_fh           fh;
  19         struct iattr            attrs;
  20 };
  21
  22 struct nfsd_diropargs {
  23         struct svc_fh           fh;
  24         char *                  name;
  25         int                     len;
  26 };
  27
  28 struct nfsd_readargs {
  29         struct svc_fh           fh;
  30         __u32                   offset;
  31         __u32                   count;
  32         __u32                   totalsize;
  33 };
  34
  35 struct nfsd_writeargs {
  36         svc_fh                  fh;
  37         __u32                   beginoffset;
  38         __u32                   offset;
  39         __u32                   totalcount;
  40         __u8 *                  data;
  41         int                     len;
  42 };
  43
  44 struct nfsd_createargs {
  45         struct svc_fh           fh;
  46         char *                  name;
  47         int                     len;
  48         struct iattr            attrs;
  49 };
  50
  51 struct nfsd_renameargs {
  52         struct svc_fh           ffh;
  53         char *                  fname;
  54         int                     flen;
  55         struct svc_fh           tfh;
  56         char *                  tname;
  57         int                     tlen;
  58 };
  59
  60 struct nfsd_linkargs {
  61         struct svc_fh           ffh;
  62         struct svc_fh           tfh;
  63         char *                  tname;
  64         int                     tlen;
  65 };
  66
  67 struct nfsd_symlinkargs {
  68         struct svc_fh           ffh;
  69         char *                  fname;
  70         int                     flen;
  71         char *                  tname;
  72         int                     tlen;
  73         struct iattr            attrs;
  74 };
  75
  76 struct nfsd_readdirargs {
  77         struct svc_fh           fh;
  78         __u32                   cookie;
  79         __u32                   count;
  80 };
  81
  82 struct nfsd_attrstat {
  83         struct svc_fh           fh;
  84 };
  85
  86 struct nfsd_diropres  {
  87         struct svc_fh           fh;
  88 };
  89
  90 struct nfsd_readlinkres {
  91         int                     len;
  92 };
  93
  94 struct nfsd_readres {
  95         struct svc_fh           fh;
  96         unsigned long           count;
  97 };
  98
  99 struct nfsd_readdirres {
 100         int                     count;
 101 };
 102
 103 struct nfsd_statfsres {
 104         struct statfs           stats;
 105 };
 106
 107 /*
 108  * Storage requirements for XDR arguments and results.
 109  */
 110 union nfsd_xdrstore {
 111         struct nfsd_sattrargs   sattr;
 112         struct nfsd_diropargs   dirop;
 113         struct nfsd_readargs    read;
 114         struct nfsd_writeargs   write;
 115         struct nfsd_createargs  create;
 116         struct nfsd_renameargs  rename;
 117         struct nfsd_linkargs    link;
 118         struct nfsd_symlinkargs symlink;
 119         struct nfsd_readdirargs readdir;
 120 };
 121
 122 #define NFSSVC_XDRSIZE          sizeof(union nfsd_xdrstore)
 123
 124
 125 int nfssvc_decode_void(struct svc_rqst *, u32 *, void *);
 126 int nfssvc_decode_fhandle(struct svc_rqst *, u32 *, struct svc_fh *);
 127 int nfssvc_decode_sattrargs(struct svc_rqst *, u32 *,
 128                                 struct nfsd_sattrargs *);
 129 int nfssvc_decode_diropargs(struct svc_rqst *, u32 *,
 130                                 struct nfsd_diropargs *);
 131 int nfssvc_decode_readargs(struct svc_rqst *, u32 *,
 132                                 struct nfsd_readargs *);
 133 int nfssvc_decode_writeargs(struct svc_rqst *, u32 *,
 134                                 struct nfsd_writeargs *);
 135 int nfssvc_decode_createargs(struct svc_rqst *, u32 *,
 136                                 struct nfsd_createargs *);
 137 int nfssvc_decode_renameargs(struct svc_rqst *, u32 *,
 138                                 struct nfsd_renameargs *);
 139 int nfssvc_decode_linkargs(struct svc_rqst *, u32 *,
 140                                 struct nfsd_linkargs *);
 141 int nfssvc_decode_symlinkargs(struct svc_rqst *, u32 *,
 142                                 struct nfsd_symlinkargs *);
 143 int nfssvc_decode_readdirargs(struct svc_rqst *, u32 *,
 144                                 struct nfsd_readdirargs *);
 145 int nfssvc_encode_void(struct svc_rqst *, u32 *, void *);
 146 int nfssvc_encode_attrstat(struct svc_rqst *, u32 *, struct nfsd_attrstat *);
 147 int nfssvc_encode_diropres(struct svc_rqst *, u32 *, struct nfsd_diropres *);
 148 int nfssvc_encode_readlinkres(struct svc_rqst *, u32 *, struct nfsd_readlinkres *);
 149 int nfssvc_encode_readres(struct svc_rqst *, u32 *, struct nfsd_readres *);
 150 int nfssvc_encode_statfsres(struct svc_rqst *, u32 *, struct nfsd_statfsres *);
 151 int nfssvc_encode_readdirres(struct svc_rqst *, u32 *, struct nfsd_readdirres *);
 152
 153 int nfssvc_encode_entry(struct readdir_cd *, const char *name,
 154                                 int namlen, off_t offset, ino_t ino, unsigned int);
 155
 156 int nfssvc_release_fhandle(struct svc_rqst *, u32 *, struct nfsd_fhandle *);
 157
 158 #endif /* LINUX_NFSD_H */