1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _LINUX_NFS_MOUNT_H 3607ca46eSDavid Howells #define _LINUX_NFS_MOUNT_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells /* 6607ca46eSDavid Howells * linux/include/linux/nfs_mount.h 7607ca46eSDavid Howells * 8607ca46eSDavid Howells * Copyright (C) 1992 Rick Sladkey 9607ca46eSDavid Howells * 10607ca46eSDavid Howells * structure passed from user-space to kernel-space during an nfs mount 11607ca46eSDavid Howells */ 12607ca46eSDavid Howells #include <linux/in.h> 13607ca46eSDavid Howells #include <linux/nfs.h> 14607ca46eSDavid Howells #include <linux/nfs2.h> 15607ca46eSDavid Howells #include <linux/nfs3.h> 16607ca46eSDavid Howells 17607ca46eSDavid Howells /* 18607ca46eSDavid Howells * WARNING! Do not delete or change the order of these fields. If 19607ca46eSDavid Howells * a new field is required then add it to the end. The version field 20607ca46eSDavid Howells * tracks which fields are present. This will ensure some measure of 21607ca46eSDavid Howells * mount-to-kernel version compatibility. Some of these aren't used yet 22607ca46eSDavid Howells * but here they are anyway. 23607ca46eSDavid Howells */ 24607ca46eSDavid Howells #define NFS_MOUNT_VERSION 6 25607ca46eSDavid Howells #define NFS_MAX_CONTEXT_LEN 256 26607ca46eSDavid Howells 27607ca46eSDavid Howells struct nfs_mount_data { 28607ca46eSDavid Howells int version; /* 1 */ 29607ca46eSDavid Howells int fd; /* 1 */ 30607ca46eSDavid Howells struct nfs2_fh old_root; /* 1 */ 31607ca46eSDavid Howells int flags; /* 1 */ 32607ca46eSDavid Howells int rsize; /* 1 */ 33607ca46eSDavid Howells int wsize; /* 1 */ 34607ca46eSDavid Howells int timeo; /* 1 */ 35607ca46eSDavid Howells int retrans; /* 1 */ 36607ca46eSDavid Howells int acregmin; /* 1 */ 37607ca46eSDavid Howells int acregmax; /* 1 */ 38607ca46eSDavid Howells int acdirmin; /* 1 */ 39607ca46eSDavid Howells int acdirmax; /* 1 */ 40607ca46eSDavid Howells struct sockaddr_in addr; /* 1 */ 41607ca46eSDavid Howells char hostname[NFS_MAXNAMLEN + 1]; /* 1 */ 42607ca46eSDavid Howells int namlen; /* 2 */ 43607ca46eSDavid Howells unsigned int bsize; /* 3 */ 44607ca46eSDavid Howells struct nfs3_fh root; /* 4 */ 45607ca46eSDavid Howells int pseudoflavor; /* 5 */ 46607ca46eSDavid Howells char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */ 47607ca46eSDavid Howells }; 48607ca46eSDavid Howells 49607ca46eSDavid Howells /* bits in the flags field visible to user space */ 50607ca46eSDavid Howells 51607ca46eSDavid Howells #define NFS_MOUNT_SOFT 0x0001 /* 1 */ 52607ca46eSDavid Howells #define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */ 53607ca46eSDavid Howells #define NFS_MOUNT_SECURE 0x0004 /* 1 */ 54607ca46eSDavid Howells #define NFS_MOUNT_POSIX 0x0008 /* 1 */ 55607ca46eSDavid Howells #define NFS_MOUNT_NOCTO 0x0010 /* 1 */ 56607ca46eSDavid Howells #define NFS_MOUNT_NOAC 0x0020 /* 1 */ 57607ca46eSDavid Howells #define NFS_MOUNT_TCP 0x0040 /* 2 */ 58607ca46eSDavid Howells #define NFS_MOUNT_VER3 0x0080 /* 3 */ 59607ca46eSDavid Howells #define NFS_MOUNT_KERBEROS 0x0100 /* 3 */ 60607ca46eSDavid Howells #define NFS_MOUNT_NONLM 0x0200 /* 3 */ 61607ca46eSDavid Howells #define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */ 62607ca46eSDavid Howells #define NFS_MOUNT_NOACL 0x0800 /* 4 */ 63607ca46eSDavid Howells #define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */ 645837f6dfSWeston Andros Adamson #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */ 65607ca46eSDavid Howells #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */ 66607ca46eSDavid Howells #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */ 67607ca46eSDavid Howells #define NFS_MOUNT_FLAGMASK 0xFFFF 68607ca46eSDavid Howells 69607ca46eSDavid Howells #endif 70