1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _LINUX_NFS4_MOUNT_H 3607ca46eSDavid Howells #define _LINUX_NFS4_MOUNT_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells /* 6607ca46eSDavid Howells * linux/include/linux/nfs4_mount.h 7607ca46eSDavid Howells * 8607ca46eSDavid Howells * Copyright (C) 2002 Trond Myklebust 9607ca46eSDavid Howells * 10607ca46eSDavid Howells * structure passed from user-space to kernel-space during an nfsv4 mount 11607ca46eSDavid Howells */ 12607ca46eSDavid Howells 13607ca46eSDavid Howells /* 14607ca46eSDavid Howells * WARNING! Do not delete or change the order of these fields. If 15607ca46eSDavid Howells * a new field is required then add it to the end. The version field 16607ca46eSDavid Howells * tracks which fields are present. This will ensure some measure of 17607ca46eSDavid Howells * mount-to-kernel version compatibility. Some of these aren't used yet 18607ca46eSDavid Howells * but here they are anyway. 19607ca46eSDavid Howells */ 20607ca46eSDavid Howells #define NFS4_MOUNT_VERSION 1 21607ca46eSDavid Howells 22607ca46eSDavid Howells struct nfs_string { 23607ca46eSDavid Howells unsigned int len; 24607ca46eSDavid Howells const char __user * data; 25607ca46eSDavid Howells }; 26607ca46eSDavid Howells 27607ca46eSDavid Howells struct nfs4_mount_data { 28607ca46eSDavid Howells int version; /* 1 */ 29607ca46eSDavid Howells int flags; /* 1 */ 30607ca46eSDavid Howells int rsize; /* 1 */ 31607ca46eSDavid Howells int wsize; /* 1 */ 32607ca46eSDavid Howells int timeo; /* 1 */ 33607ca46eSDavid Howells int retrans; /* 1 */ 34607ca46eSDavid Howells int acregmin; /* 1 */ 35607ca46eSDavid Howells int acregmax; /* 1 */ 36607ca46eSDavid Howells int acdirmin; /* 1 */ 37607ca46eSDavid Howells int acdirmax; /* 1 */ 38607ca46eSDavid Howells 39607ca46eSDavid Howells /* see the definition of 'struct clientaddr4' in RFC3010 */ 40607ca46eSDavid Howells struct nfs_string client_addr; /* 1 */ 41607ca46eSDavid Howells 42607ca46eSDavid Howells /* Mount path */ 43607ca46eSDavid Howells struct nfs_string mnt_path; /* 1 */ 44607ca46eSDavid Howells 45607ca46eSDavid Howells /* Server details */ 46607ca46eSDavid Howells struct nfs_string hostname; /* 1 */ 47607ca46eSDavid Howells /* Server IP address */ 48607ca46eSDavid Howells unsigned int host_addrlen; /* 1 */ 49607ca46eSDavid Howells struct sockaddr __user * host_addr; /* 1 */ 50607ca46eSDavid Howells 51607ca46eSDavid Howells /* Transport protocol to use */ 52607ca46eSDavid Howells int proto; /* 1 */ 53607ca46eSDavid Howells 54607ca46eSDavid Howells /* Pseudo-flavours to use for authentication. See RFC2623 */ 55607ca46eSDavid Howells int auth_flavourlen; /* 1 */ 56607ca46eSDavid Howells int __user *auth_flavours; /* 1 */ 57607ca46eSDavid Howells }; 58607ca46eSDavid Howells 59607ca46eSDavid Howells /* bits in the flags field */ 60607ca46eSDavid Howells /* Note: the fields that correspond to existing NFSv2/v3 mount options 61607ca46eSDavid Howells * should mirror the values from include/linux/nfs_mount.h 62607ca46eSDavid Howells */ 63607ca46eSDavid Howells 64607ca46eSDavid Howells #define NFS4_MOUNT_SOFT 0x0001 /* 1 */ 65607ca46eSDavid Howells #define NFS4_MOUNT_INTR 0x0002 /* 1 */ 66607ca46eSDavid Howells #define NFS4_MOUNT_NOCTO 0x0010 /* 1 */ 67607ca46eSDavid Howells #define NFS4_MOUNT_NOAC 0x0020 /* 1 */ 68607ca46eSDavid Howells #define NFS4_MOUNT_STRICTLOCK 0x1000 /* 1 */ 69607ca46eSDavid Howells #define NFS4_MOUNT_UNSHARED 0x8000 /* 1 */ 70607ca46eSDavid Howells #define NFS4_MOUNT_FLAGMASK 0x9033 71607ca46eSDavid Howells 72607ca46eSDavid Howells #endif 73