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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* 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
};
enum nfs3_time_how {
DONT_CHANGE = 0,
SET_TO_SERVER_TIME = 1,
SET_TO_CLIENT_TIME = 2,
};
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 */
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