include/linux/nfs.h

   1 /*
   2  * NFS protocol definitions
   3  */
   4 #ifndef _LINUX_NFS_H
   5 #define _LINUX_NFS_H
   6
   7 #include <linux/sunrpc/msg_prot.h>
   8
   9 #define NFS_PORT        2049
  10 #define NFS_MAXDATA     8192
  11 #define NFS_MAXPATHLEN  1024
  12 #define NFS_MAXNAMLEN   255
  13 #define NFS_MAXGROUPS   16
  14 #define NFS_FHSIZE      32
  15 #define NFS_COOKIESIZE  4
  16 #define NFS_FIFO_DEV    (-1)
  17 #define NFSMODE_FMT     0170000
  18 #define NFSMODE_DIR     0040000
  19 #define NFSMODE_CHR     0020000
  20 #define NFSMODE_BLK     0060000
  21 #define NFSMODE_REG     0100000
  22 #define NFSMODE_LNK     0120000
  23 #define NFSMODE_SOCK    0140000
  24 #define NFSMODE_FIFO    0010000
  25
  26
  27 enum nfs_stat {
  28         NFS_OK = 0,
  29         NFSERR_PERM = 1,
  30         NFSERR_NOENT = 2,
  31         NFSERR_IO = 5,
  32         NFSERR_NXIO = 6,
  33         NFSERR_EAGAIN = 11,
  34         NFSERR_ACCES = 13,
  35         NFSERR_EXIST = 17,
  36         NFSERR_XDEV = 18,
  37         NFSERR_NODEV = 19,
  38         NFSERR_NOTDIR = 20,
  39         NFSERR_ISDIR = 21,
  40         NFSERR_INVAL = 22,      /* that Sun forgot */
  41         NFSERR_FBIG = 27,
  42         NFSERR_NOSPC = 28,
  43         NFSERR_ROFS = 30,
  44         NFSERR_OPNOTSUPP = 45,
  45         NFSERR_NAMETOOLONG = 63,
  46         NFSERR_NOTEMPTY = 66,
  47         NFSERR_DQUOT = 69,
  48         NFSERR_STALE = 70,
  49         NFSERR_WFLUSH = 99
  50 };
  51
  52 enum nfs_ftype {
  53         NFNON = 0,
  54         NFREG = 1,
  55         NFDIR = 2,
  56         NFBLK = 3,
  57         NFCHR = 4,
  58         NFLNK = 5,
  59         NFSOCK = 6,
  60         NFBAD = 7,
  61         NFFIFO = 8
  62 };
  63
  64 struct nfs_fh {
  65         char                    data[NFS_FHSIZE];
  66 };
  67
  68 #define NFS_PROGRAM             100003
  69 #define NFS_VERSION             2
  70 #define NFSPROC_NULL            0
  71 #define NFSPROC_GETATTR         1
  72 #define NFSPROC_SETATTR         2
  73 #define NFSPROC_ROOT            3
  74 #define NFSPROC_LOOKUP          4
  75 #define NFSPROC_READLINK        5
  76 #define NFSPROC_READ            6
  77 #define NFSPROC_WRITECACHE      7
  78 #define NFSPROC_WRITE           8
  79 #define NFSPROC_CREATE          9
  80 #define NFSPROC_REMOVE          10
  81 #define NFSPROC_RENAME          11
  82 #define NFSPROC_LINK            12
  83 #define NFSPROC_SYMLINK         13
  84 #define NFSPROC_MKDIR           14
  85 #define NFSPROC_RMDIR           15
  86 #define NFSPROC_READDIR         16
  87 #define NFSPROC_STATFS          17
  88
  89 /* Mount support for NFSroot */
  90 #ifdef __KERNEL__
  91 #define NFS_MNT_PROGRAM         100005
  92 #define NFS_MNT_VERSION         1
  93 #define NFS_MNT_PORT            627
  94 #define NFS_MNTPROC_MNT         1
  95 #define NFS_MNTPROC_UMNT        3
  96 #endif
  97
  98 #if defined(__KERNEL__) || defined(NFS_NEED_KERNEL_TYPES)
  99
 100 extern struct rpc_program       nfs_program;
 101 extern struct rpc_stat          nfs_rpcstat;
 102
 103 struct nfs_time {
 104         __u32                   seconds;
 105         __u32                   useconds;
 106 };
 107
 108 struct nfs_fattr {
 109         enum nfs_ftype          type;
 110         __u32                   mode;
 111         __u32                   nlink;
 112         __u32                   uid;
 113         __u32                   gid;
 114         __u32                   size;
 115         __u32                   blocksize;
 116         __u32                   rdev;
 117         __u32                   blocks;
 118         __u32                   fsid;
 119         __u32                   fileid;
 120         struct nfs_time         atime;
 121         struct nfs_time         mtime;
 122         struct nfs_time         ctime;
 123 };
 124
 125 struct nfs_fsinfo {
 126         __u32                   tsize;
 127         __u32                   bsize;
 128         __u32                   blocks;
 129         __u32                   bfree;
 130         __u32                   bavail;
 131 };
 132
 133 struct nfs_writeargs {
 134         struct nfs_fh *         fh;
 135         __u32                   offset;
 136         __u32                   count;
 137         const void *            buffer;
 138 };
 139
 140 #ifdef NFS_NEED_XDR_TYPES
 141
 142 struct nfs_sattrargs {
 143         struct nfs_fh *         fh;
 144         struct iattr *          sattr;
 145 };
 146
 147 struct nfs_diropargs {
 148         struct nfs_fh *         fh;
 149         const char *            name;
 150 };
 151
 152 struct nfs_readlinkargs {
 153         struct nfs_fh *         fh;
 154         const void *            buffer;
 155 };
 156
 157 struct nfs_readargs {
 158         struct nfs_fh *         fh;
 159         __u32                   offset;
 160         __u32                   count;
 161         void *                  buffer;
 162 };
 163
 164 struct nfs_createargs {
 165         struct nfs_fh *         fh;
 166         const char *            name;
 167         struct iattr *          sattr;
 168 };
 169
 170 struct nfs_renameargs {
 171         struct nfs_fh *         fromfh;
 172         const char *            fromname;
 173         struct nfs_fh *         tofh;
 174         const char *            toname;
 175 };
 176
 177 struct nfs_linkargs {
 178         struct nfs_fh *         fromfh;
 179         struct nfs_fh *         tofh;
 180         const char *            toname;
 181 };
 182
 183 struct nfs_symlinkargs {
 184         struct nfs_fh *         fromfh;
 185         const char *            fromname;
 186         const char *            topath;
 187         struct iattr *          sattr;
 188 };
 189
 190 struct nfs_readdirargs {
 191         struct nfs_fh *         fh;
 192         __u32                   cookie;
 193         void *                  buffer;
 194         int                     bufsiz;
 195 };
 196
 197 struct nfs_diropok {
 198         struct nfs_fh *         fh;
 199         struct nfs_fattr *      fattr;
 200 };
 201
 202 struct nfs_readres {
 203         struct nfs_fattr *      fattr;
 204         unsigned int            count;
 205 };
 206
 207 struct nfs_readdirres {
 208         void *                  buffer;
 209         int                     bufsiz;
 210         u32                     cookie;
 211 };
 212
 213 #endif /* NFS_NEED_XDR_TYPES */
 214 #endif /* __KERNEL__ */
 215
 216 #endif