1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * include/linux/nfs4.h 4 * 5 * NFSv4 protocol definitions. 6 * 7 * Copyright (c) 2002 The Regents of the University of Michigan. 8 * All rights reserved. 9 * 10 * Kendrick Smith <kmsmith@umich.edu> 11 * Andy Adamson <andros@umich.edu> 12 */ 13 14#ifndef _UAPI_LINUX_NFS4_H 15#define _UAPI_LINUX_NFS4_H 16 17#include <linux/types.h> 18 19#define NFS4_BITMAP_SIZE 3 20#define NFS4_VERIFIER_SIZE 8 21#define NFS4_STATEID_SEQID_SIZE 4 22#define NFS4_STATEID_OTHER_SIZE 12 23#define NFS4_STATEID_SIZE (NFS4_STATEID_SEQID_SIZE + NFS4_STATEID_OTHER_SIZE) 24#define NFS4_FHSIZE 128 25#define NFS4_MAXPATHLEN PATH_MAX 26#define NFS4_MAXNAMLEN NAME_MAX 27#define NFS4_OPAQUE_LIMIT 1024 28#define NFS4_MAX_SESSIONID_LEN 16 29 30#define NFS4_ACCESS_READ 0x0001 31#define NFS4_ACCESS_LOOKUP 0x0002 32#define NFS4_ACCESS_MODIFY 0x0004 33#define NFS4_ACCESS_EXTEND 0x0008 34#define NFS4_ACCESS_DELETE 0x0010 35#define NFS4_ACCESS_EXECUTE 0x0020 36#define NFS4_ACCESS_XAREAD 0x0040 37#define NFS4_ACCESS_XAWRITE 0x0080 38#define NFS4_ACCESS_XALIST 0x0100 39 40#define NFS4_FH_PERSISTENT 0x0000 41#define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001 42#define NFS4_FH_VOLATILE_ANY 0x0002 43#define NFS4_FH_VOL_MIGRATION 0x0004 44#define NFS4_FH_VOL_RENAME 0x0008 45 46#define NFS4_OPEN_RESULT_CONFIRM 0x0002 47#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004 48#define NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK 0x0020 49 50#define NFS4_SHARE_ACCESS_MASK 0x000F 51#define NFS4_SHARE_ACCESS_READ 0x0001 52#define NFS4_SHARE_ACCESS_WRITE 0x0002 53#define NFS4_SHARE_ACCESS_BOTH 0x0003 54#define NFS4_SHARE_DENY_READ 0x0001 55#define NFS4_SHARE_DENY_WRITE 0x0002 56#define NFS4_SHARE_DENY_BOTH 0x0003 57 58/* nfs41 */ 59#define NFS4_SHARE_WANT_MASK 0xFF00 60#define NFS4_SHARE_WANT_NO_PREFERENCE 0x0000 61#define NFS4_SHARE_WANT_READ_DELEG 0x0100 62#define NFS4_SHARE_WANT_WRITE_DELEG 0x0200 63#define NFS4_SHARE_WANT_ANY_DELEG 0x0300 64#define NFS4_SHARE_WANT_NO_DELEG 0x0400 65#define NFS4_SHARE_WANT_CANCEL 0x0500 66 67#define NFS4_SHARE_WHEN_MASK 0xF0000 68#define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000 69#define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000 70 71#define NFS4_CDFC4_FORE 0x1 72#define NFS4_CDFC4_BACK 0x2 73#define NFS4_CDFC4_BOTH 0x3 74#define NFS4_CDFC4_FORE_OR_BOTH 0x3 75#define NFS4_CDFC4_BACK_OR_BOTH 0x7 76 77#define NFS4_CDFS4_FORE 0x1 78#define NFS4_CDFS4_BACK 0x2 79#define NFS4_CDFS4_BOTH 0x3 80 81#define NFS4_SET_TO_SERVER_TIME 0 82#define NFS4_SET_TO_CLIENT_TIME 1 83 84#define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0 85#define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1 86#define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2 87#define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3 88 89#define ACL4_SUPPORT_ALLOW_ACL 0x01 90#define ACL4_SUPPORT_DENY_ACL 0x02 91#define ACL4_SUPPORT_AUDIT_ACL 0x04 92#define ACL4_SUPPORT_ALARM_ACL 0x08 93 94#define NFS4_ACL_AUTO_INHERIT 0x00000001 95#define NFS4_ACL_PROTECTED 0x00000002 96#define NFS4_ACL_DEFAULTED 0x00000004 97 98#define NFS4_ACE_FILE_INHERIT_ACE 0x00000001 99#define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002 100#define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004 101#define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008 102#define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010 103#define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020 104#define NFS4_ACE_IDENTIFIER_GROUP 0x00000040 105#define NFS4_ACE_INHERITED_ACE 0x00000080 106 107#define NFS4_ACE_READ_DATA 0x00000001 108#define NFS4_ACE_LIST_DIRECTORY 0x00000001 109#define NFS4_ACE_WRITE_DATA 0x00000002 110#define NFS4_ACE_ADD_FILE 0x00000002 111#define NFS4_ACE_APPEND_DATA 0x00000004 112#define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004 113#define NFS4_ACE_READ_NAMED_ATTRS 0x00000008 114#define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010 115#define NFS4_ACE_EXECUTE 0x00000020 116#define NFS4_ACE_DELETE_CHILD 0x00000040 117#define NFS4_ACE_READ_ATTRIBUTES 0x00000080 118#define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100 119#define NFS4_ACE_WRITE_RETENTION 0x00000200 120#define NFS4_ACE_WRITE_RETENTION_HOLD 0x00000400 121#define NFS4_ACE_DELETE 0x00010000 122#define NFS4_ACE_READ_ACL 0x00020000 123#define NFS4_ACE_WRITE_ACL 0x00040000 124#define NFS4_ACE_WRITE_OWNER 0x00080000 125#define NFS4_ACE_SYNCHRONIZE 0x00100000 126#define NFS4_ACE_GENERIC_READ 0x00120081 127#define NFS4_ACE_GENERIC_WRITE 0x00160106 128#define NFS4_ACE_GENERIC_EXECUTE 0x001200A0 129#define NFS4_ACE_MASK_ALL 0x001F01FF 130 131#define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001 132#define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002 133#define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100 134 135#define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000 136#define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000 137#define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000 138#define EXCHGID4_FLAG_MASK_PNFS 0x00070000 139 140#define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000 141#define EXCHGID4_FLAG_CONFIRMED_R 0x80000000 142 143#define EXCHGID4_FLAG_SUPP_FENCE_OPS 0x00000004 144/* 145 * Since the validity of these bits depends on whether 146 * they're set in the argument or response, have separate 147 * invalid flag masks for arg (_A) and resp (_R). 148 */ 149#define EXCHGID4_FLAG_MASK_A 0x40070103 150#define EXCHGID4_FLAG_MASK_R 0x80070103 151#define EXCHGID4_2_FLAG_MASK_R 0x80070107 152 153#define SEQ4_STATUS_CB_PATH_DOWN 0x00000001 154#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002 155#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004 156#define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008 157#define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010 158#define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020 159#define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040 160#define SEQ4_STATUS_LEASE_MOVED 0x00000080 161#define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100 162#define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200 163#define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400 164 165#define NFS4_SECINFO_STYLE4_CURRENT_FH 0 166#define NFS4_SECINFO_STYLE4_PARENT 1 167 168#define NFS4_MAX_UINT64 (~(__u64)0) 169 170/* An NFS4 sessions server must support at least NFS4_MAX_OPS operations. 171 * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly. 172 */ 173#define NFS4_MAX_OPS 8 174 175/* Our NFS4 client back channel server only wants the cb_sequene and the 176 * actual operation per compound 177 */ 178#define NFS4_MAX_BACK_CHANNEL_OPS 2 179 180#endif /* _UAPI_LINUX_NFS4_H */ 181