/*
   * NFSv3 protocol definitions
   */
  #ifndef _LINUX_NFS3_H
  #define _LINUX_NFS3_H
  
  #define NFS3_PORT		2049
  #define NFS3_MAXDATA		32768
  #define NFS3_MAXPATHLEN		PATH_MAX
  #define NFS3_MAXNAMLEN		NAME_MAX
  #define NFS3_MAXGROUPS		16
  #define NFS3_FHSIZE		64
  #define NFS3_COOKIESIZE		4

  #define NFS3_CREATEVERFSIZE	8
  #define NFS3_COOKIEVERFSIZE	8

  #define NFS3_WRITEVERFSIZE	8

  #define NFS3_FIFO_DEV		(-1)
  #define NFS3MODE_FMT		0170000
  #define NFS3MODE_DIR		0040000
  #define NFS3MODE_CHR		0020000
  #define NFS3MODE_BLK		0060000
  #define NFS3MODE_REG		0100000
  #define NFS3MODE_LNK		0120000
  #define NFS3MODE_SOCK		0140000
  #define NFS3MODE_FIFO		0010000
  
  /* Flags for access() call */
  #define NFS3_ACCESS_READ	0x0001
  #define NFS3_ACCESS_LOOKUP	0x0002
  #define NFS3_ACCESS_MODIFY	0x0004
  #define NFS3_ACCESS_EXTEND	0x0008
  #define NFS3_ACCESS_DELETE	0x0010
  #define NFS3_ACCESS_EXECUTE	0x0020
  #define NFS3_ACCESS_FULL	0x003f
  
  /* Flags for create mode */
  enum nfs3_createmode {
  	NFS3_CREATE_UNCHECKED = 0,
  	NFS3_CREATE_GUARDED = 1,
  	NFS3_CREATE_EXCLUSIVE = 2
  };
  
  /* NFSv3 file system properties */
  #define NFS3_FSF_LINK		0x0001
  #define NFS3_FSF_SYMLINK	0x0002
  #define NFS3_FSF_HOMOGENEOUS	0x0008
  #define NFS3_FSF_CANSETTIME	0x0010
  /* Some shorthands. See fs/nfsd/nfs3proc.c */
  #define NFS3_FSF_DEFAULT	0x001B
  #define NFS3_FSF_BILLYBOY	0x0018
  #define NFS3_FSF_READONLY	0x0008
  
  enum nfs3_ftype {
  	NF3NON  = 0,
  	NF3REG  = 1,
  	NF3DIR  = 2,
  	NF3BLK  = 3,
  	NF3CHR  = 4,
  	NF3LNK  = 5,
  	NF3SOCK = 6,
  	NF3FIFO = 7,	/* changed from NFSv2 (was 8) */
  	NF3BAD  = 8
  };
  
  struct nfs3_fh {
  	unsigned short size;
  	unsigned char  data[NFS3_FHSIZE];
  };
  
  #define NFS3_VERSION		3
  #define NFS3PROC_NULL		0
  #define NFS3PROC_GETATTR	1
  #define NFS3PROC_SETATTR	2
  #define NFS3PROC_LOOKUP		3
  #define NFS3PROC_ACCESS		4
  #define NFS3PROC_READLINK	5
  #define NFS3PROC_READ		6
  #define NFS3PROC_WRITE		7
  #define NFS3PROC_CREATE		8
  #define NFS3PROC_MKDIR		9
  #define NFS3PROC_SYMLINK	10
  #define NFS3PROC_MKNOD		11
  #define NFS3PROC_REMOVE		12
  #define NFS3PROC_RMDIR		13
  #define NFS3PROC_RENAME		14
  #define NFS3PROC_LINK		15
  #define NFS3PROC_READDIR	16
  #define NFS3PROC_READDIRPLUS	17
  #define NFS3PROC_FSSTAT		18
  #define NFS3PROC_FSINFO		19
  #define NFS3PROC_PATHCONF	20
  #define NFS3PROC_COMMIT		21

  #define NFS_MNT3_VERSION	3

  #if defined(__KERNEL__)

  
  /* Number of 32bit words in post_op_attr */
  #define NFS3_POST_OP_ATTR_WORDS		22
  
  #endif /* __KERNEL__ */
  #endif /* _LINUX_NFS3_H */