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      1 /*
      2  * NFSv3 protocol definitions
      3  */
      4 #ifndef _LINUX_NFS3_H
      5 #define _LINUX_NFS3_H
      6 
      7 #define NFS3_PORT		2049
      8 #define NFS3_MAXDATA		32768
      9 #define NFS3_MAXPATHLEN		PATH_MAX
     10 #define NFS3_MAXNAMLEN		NAME_MAX
     11 #define NFS3_MAXGROUPS		16
     12 #define NFS3_FHSIZE		64
     13 #define NFS3_COOKIESIZE		4
     14 #define NFS3_FIFO_DEV		(-1)
     15 #define NFS3MODE_FMT		0170000
     16 #define NFS3MODE_DIR		0040000
     17 #define NFS3MODE_CHR		0020000
     18 #define NFS3MODE_BLK		0060000
     19 #define NFS3MODE_REG		0100000
     20 #define NFS3MODE_LNK		0120000
     21 #define NFS3MODE_SOCK		0140000
     22 #define NFS3MODE_FIFO		0010000
     23 
     24 /* Flags for access() call */
     25 #define NFS3_ACCESS_READ	0x0001
     26 #define NFS3_ACCESS_LOOKUP	0x0002
     27 #define NFS3_ACCESS_MODIFY	0x0004
     28 #define NFS3_ACCESS_EXTEND	0x0008
     29 #define NFS3_ACCESS_DELETE	0x0010
     30 #define NFS3_ACCESS_EXECUTE	0x0020
     31 #define NFS3_ACCESS_FULL	0x003f
     32 
     33 /* Flags for create mode */
     34 enum nfs3_createmode {
     35 	NFS3_CREATE_UNCHECKED = 0,
     36 	NFS3_CREATE_GUARDED = 1,
     37 	NFS3_CREATE_EXCLUSIVE = 2
     38 };
     39 
     40 /* NFSv3 file system properties */
     41 #define NFS3_FSF_LINK		0x0001
     42 #define NFS3_FSF_SYMLINK	0x0002
     43 #define NFS3_FSF_HOMOGENEOUS	0x0008
     44 #define NFS3_FSF_CANSETTIME	0x0010
     45 /* Some shorthands. See fs/nfsd/nfs3proc.c */
     46 #define NFS3_FSF_DEFAULT	0x001B
     47 #define NFS3_FSF_BILLYBOY	0x0018
     48 #define NFS3_FSF_READONLY	0x0008
     49 
     50 enum nfs3_ftype {
     51 	NF3NON  = 0,
     52 	NF3REG  = 1,
     53 	NF3DIR  = 2,
     54 	NF3BLK  = 3,
     55 	NF3CHR  = 4,
     56 	NF3LNK  = 5,
     57 	NF3SOCK = 6,
     58 	NF3FIFO = 7,	/* changed from NFSv2 (was 8) */
     59 	NF3BAD  = 8
     60 };
     61 
     62 struct nfs3_fh {
     63 	unsigned short size;
     64 	unsigned char  data[NFS3_FHSIZE];
     65 };
     66 
     67 #define NFS3_VERSION		3
     68 #define NFS3PROC_NULL		0
     69 #define NFS3PROC_GETATTR	1
     70 #define NFS3PROC_SETATTR	2
     71 #define NFS3PROC_LOOKUP		3
     72 #define NFS3PROC_ACCESS		4
     73 #define NFS3PROC_READLINK	5
     74 #define NFS3PROC_READ		6
     75 #define NFS3PROC_WRITE		7
     76 #define NFS3PROC_CREATE		8
     77 #define NFS3PROC_MKDIR		9
     78 #define NFS3PROC_SYMLINK	10
     79 #define NFS3PROC_MKNOD		11
     80 #define NFS3PROC_REMOVE		12
     81 #define NFS3PROC_RMDIR		13
     82 #define NFS3PROC_RENAME		14
     83 #define NFS3PROC_LINK		15
     84 #define NFS3PROC_READDIR	16
     85 #define NFS3PROC_READDIRPLUS	17
     86 #define NFS3PROC_FSSTAT		18
     87 #define NFS3PROC_FSINFO		19
     88 #define NFS3PROC_PATHCONF	20
     89 #define NFS3PROC_COMMIT		21
     90 
     91 #define NFS_MNT3_PROGRAM	100005
     92 #define NFS_MNT3_VERSION	3
     93 #define MOUNTPROC3_NULL		0
     94 #define MOUNTPROC3_MNT		1
     95 #define MOUNTPROC3_UMNT		3
     96 #define MOUNTPROC3_UMNTALL	4
     97 
     98 
     99 #if defined(__KERNEL__) || defined(NFS_NEED_KERNEL_TYPES)
    100 
    101 /* Number of 32bit words in post_op_attr */
    102 #define NFS3_POST_OP_ATTR_WORDS		22
    103 
    104 #endif /* __KERNEL__ */
    105 #endif /* _LINUX_NFS3_H */
    106