nfs3.h

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/*
 * NFSv3 protocol definitions
 */
#ifndef _UAPI_LINUX_NFS3_H
#define _UAPI_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
 

#endif /* _UAPI_LINUX_NFS3_H */