1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2/*
  3 * NFSv3 protocol definitions
  4 */
  5#ifndef _LINUX_NFS3_H
  6#define _LINUX_NFS3_H
  7
  8#define NFS3_PORT		2049
  9#define NFS3_MAXDATA		32768
 10#define NFS3_MAXPATHLEN		PATH_MAX
 11#define NFS3_MAXNAMLEN		NAME_MAX
 12#define NFS3_MAXGROUPS		16
 13#define NFS3_FHSIZE		64
 14#define NFS3_COOKIESIZE		4
 15#define NFS3_CREATEVERFSIZE	8
 16#define NFS3_COOKIEVERFSIZE	8
 17#define NFS3_WRITEVERFSIZE	8
 18#define NFS3_FIFO_DEV		(-1)
 19#define NFS3MODE_FMT		0170000
 20#define NFS3MODE_DIR		0040000
 21#define NFS3MODE_CHR		0020000
 22#define NFS3MODE_BLK		0060000
 23#define NFS3MODE_REG		0100000
 24#define NFS3MODE_LNK		0120000
 25#define NFS3MODE_SOCK		0140000
 26#define NFS3MODE_FIFO		0010000
 27
 28/* Flags for access() call */
 29#define NFS3_ACCESS_READ	0x0001
 30#define NFS3_ACCESS_LOOKUP	0x0002
 31#define NFS3_ACCESS_MODIFY	0x0004
 32#define NFS3_ACCESS_EXTEND	0x0008
 33#define NFS3_ACCESS_DELETE	0x0010
 34#define NFS3_ACCESS_EXECUTE	0x0020
 35#define NFS3_ACCESS_FULL	0x003f
 36
 37/* Flags for create mode */
 38enum nfs3_createmode {
 39	NFS3_CREATE_UNCHECKED = 0,
 40	NFS3_CREATE_GUARDED = 1,
 41	NFS3_CREATE_EXCLUSIVE = 2
 42};
 43
 44/* NFSv3 file system properties */
 45#define NFS3_FSF_LINK		0x0001
 46#define NFS3_FSF_SYMLINK	0x0002
 47#define NFS3_FSF_HOMOGENEOUS	0x0008
 48#define NFS3_FSF_CANSETTIME	0x0010
 49/* Some shorthands. See fs/nfsd/nfs3proc.c */
 50#define NFS3_FSF_DEFAULT	0x001B
 51#define NFS3_FSF_BILLYBOY	0x0018
 52#define NFS3_FSF_READONLY	0x0008
 53
 54enum nfs3_ftype {
 55	NF3NON  = 0,
 56	NF3REG  = 1,
 57	NF3DIR  = 2,
 58	NF3BLK  = 3,
 59	NF3CHR  = 4,
 60	NF3LNK  = 5,
 61	NF3SOCK = 6,
 62	NF3FIFO = 7,	/* changed from NFSv2 (was 8) */
 63	NF3BAD  = 8
 64};
 65
 66enum nfs3_time_how {
 67	DONT_CHANGE		= 0,
 68	SET_TO_SERVER_TIME	= 1,
 69	SET_TO_CLIENT_TIME	= 2,
 70};
 71
 72struct nfs3_fh {
 73	unsigned short size;
 74	unsigned char  data[NFS3_FHSIZE];
 75};
 76
 77#define NFS3_VERSION		3
 78#define NFS3PROC_NULL		0
 79#define NFS3PROC_GETATTR	1
 80#define NFS3PROC_SETATTR	2
 81#define NFS3PROC_LOOKUP		3
 82#define NFS3PROC_ACCESS		4
 83#define NFS3PROC_READLINK	5
 84#define NFS3PROC_READ		6
 85#define NFS3PROC_WRITE		7
 86#define NFS3PROC_CREATE		8
 87#define NFS3PROC_MKDIR		9
 88#define NFS3PROC_SYMLINK	10
 89#define NFS3PROC_MKNOD		11
 90#define NFS3PROC_REMOVE		12
 91#define NFS3PROC_RMDIR		13
 92#define NFS3PROC_RENAME		14
 93#define NFS3PROC_LINK		15
 94#define NFS3PROC_READDIR	16
 95#define NFS3PROC_READDIRPLUS	17
 96#define NFS3PROC_FSSTAT		18
 97#define NFS3PROC_FSINFO		19
 98#define NFS3PROC_PATHCONF	20
 99#define NFS3PROC_COMMIT		21
100
101#define NFS_MNT3_VERSION	3
102 
103
104#endif /* _LINUX_NFS3_H */