| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| /* | |
| * include/linux/nfsd/export.h | |
| * | |
| * Public declarations for NFS exports. The definitions for the | |
| * syscall interface are in nfsctl.h | |
| * | |
| * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> | |
| */ | |
| #ifndef _UAPINFSD_EXPORT_H | |
| #define _UAPINFSD_EXPORT_H | |
| # include <linux/types.h> | |
| /* | |
| * Important limits for the exports stuff. | |
| */ | |
| #define NFSCLNT_IDMAX 1024 | |
| #define NFSCLNT_ADDRMAX 16 | |
| #define NFSCLNT_KEYMAX 32 | |
| /* | |
| * Export flags. | |
| * | |
| * Please update the expflags[] array in fs/nfsd/export.c when adding | |
| * a new flag. | |
| */ | |
| #define NFSEXP_READONLY 0x0001 | |
| #define NFSEXP_INSECURE_PORT 0x0002 | |
| #define NFSEXP_ROOTSQUASH 0x0004 | |
| #define NFSEXP_ALLSQUASH 0x0008 | |
| #define NFSEXP_ASYNC 0x0010 | |
| #define NFSEXP_GATHERED_WRITES 0x0020 | |
| #define NFSEXP_NOREADDIRPLUS 0x0040 | |
| #define NFSEXP_SECURITY_LABEL 0x0080 | |
| /* 0x100 currently unused */ | |
| #define NFSEXP_NOHIDE 0x0200 | |
| #define NFSEXP_NOSUBTREECHECK 0x0400 | |
| #define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */ | |
| #define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect; no longer supported */ | |
| #define NFSEXP_FSID 0x2000 | |
| #define NFSEXP_CROSSMOUNT 0x4000 | |
| #define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */ | |
| /* | |
| * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4 | |
| * clients, and only to the single directory that is the root of the | |
| * export; further lookup and readdir operations are treated as if every | |
| * subdirectory was a mountpoint, and ignored if they are not themselves | |
| * exported. This is used by nfsd and mountd to construct the NFSv4 | |
| * pseudofilesystem, which provides access only to paths leading to each | |
| * exported filesystem. | |
| */ | |
| #define NFSEXP_V4ROOT 0x10000 | |
| #define NFSEXP_PNFS 0x20000 | |
| /* All flags that we claim to support. (Note we don't support NOACL.) */ | |
| #define NFSEXP_ALLFLAGS 0x3FEFF | |
| /* The flags that may vary depending on security flavor: */ | |
| #define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \ | |
| | NFSEXP_ALLSQUASH \ | |
| | NFSEXP_INSECURE_PORT) | |
| /* | |
| * Transport layer security policies that are permitted to access | |
| * an export | |
| */ | |
| #define NFSEXP_XPRTSEC_NONE 0x0001 | |
| #define NFSEXP_XPRTSEC_TLS 0x0002 | |
| #define NFSEXP_XPRTSEC_MTLS 0x0004 | |
| #define NFSEXP_XPRTSEC_NUM (3) | |
| #define NFSEXP_XPRTSEC_ALL (NFSEXP_XPRTSEC_NONE | \ | |
| NFSEXP_XPRTSEC_TLS | \ | |
| NFSEXP_XPRTSEC_MTLS) | |
| #endif /* _UAPINFSD_EXPORT_H */ |