]>
Commit | Line | Data |
---|---|---|
6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
616d1ca5 DH |
2 | /* |
3 | * include/linux/nfsd/export.h | |
4 | * | |
5 | * Public declarations for NFS exports. The definitions for the | |
6 | * syscall interface are in nfsctl.h | |
7 | * | |
8 | * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> | |
9 | */ | |
10 | ||
11 | #ifndef _UAPINFSD_EXPORT_H | |
12 | #define _UAPINFSD_EXPORT_H | |
13 | ||
14 | # include <linux/types.h> | |
15 | ||
16 | /* | |
17 | * Important limits for the exports stuff. | |
18 | */ | |
19 | #define NFSCLNT_IDMAX 1024 | |
20 | #define NFSCLNT_ADDRMAX 16 | |
21 | #define NFSCLNT_KEYMAX 32 | |
22 | ||
23 | /* | |
24 | * Export flags. | |
9b3075c5 CH |
25 | * |
26 | * Please update the expflags[] array in fs/nfsd/export.c when adding | |
27 | * a new flag. | |
616d1ca5 DH |
28 | */ |
29 | #define NFSEXP_READONLY 0x0001 | |
30 | #define NFSEXP_INSECURE_PORT 0x0002 | |
31 | #define NFSEXP_ROOTSQUASH 0x0004 | |
32 | #define NFSEXP_ALLSQUASH 0x0008 | |
33 | #define NFSEXP_ASYNC 0x0010 | |
34 | #define NFSEXP_GATHERED_WRITES 0x0020 | |
18c01ab3 | 35 | #define NFSEXP_NOREADDIRPLUS 0x0040 |
32ddd944 BF |
36 | #define NFSEXP_SECURITY_LABEL 0x0080 |
37 | /* 0x100 currently unused */ | |
616d1ca5 DH |
38 | #define NFSEXP_NOHIDE 0x0200 |
39 | #define NFSEXP_NOSUBTREECHECK 0x0400 | |
40 | #define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */ | |
41 | #define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect; no longer supported */ | |
42 | #define NFSEXP_FSID 0x2000 | |
43 | #define NFSEXP_CROSSMOUNT 0x4000 | |
44 | #define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */ | |
45 | /* | |
46 | * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4 | |
47 | * clients, and only to the single directory that is the root of the | |
48 | * export; further lookup and readdir operations are treated as if every | |
49 | * subdirectory was a mountpoint, and ignored if they are not themselves | |
50 | * exported. This is used by nfsd and mountd to construct the NFSv4 | |
51 | * pseudofilesystem, which provides access only to paths leading to each | |
52 | * exported filesystem. | |
53 | */ | |
54 | #define NFSEXP_V4ROOT 0x10000 | |
f3f03330 | 55 | #define NFSEXP_PNFS 0x20000 |
9cf514cc | 56 | |
616d1ca5 | 57 | /* All flags that we claim to support. (Note we don't support NOACL.) */ |
32ddd944 | 58 | #define NFSEXP_ALLFLAGS 0x3FEFF |
616d1ca5 DH |
59 | |
60 | /* The flags that may vary depending on security flavor: */ | |
61 | #define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \ | |
62 | | NFSEXP_ALLSQUASH \ | |
63 | | NFSEXP_INSECURE_PORT) | |
64 | ||
65 | ||
66 | #endif /* _UAPINFSD_EXPORT_H */ |