tjh.dev / kernel
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kernel / include / uapi / linux / nfs4.h
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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_PRESERVE_UNLINKED 0x0008 49#define NFS4_OPEN_RESULT_NO_OPEN_STATEID 0x0010 50#define NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK 0x0020 51 52#define NFS4_SHARE_ACCESS_MASK 0x000F 53#define NFS4_SHARE_ACCESS_READ 0x0001 54#define NFS4_SHARE_ACCESS_WRITE 0x0002 55#define NFS4_SHARE_ACCESS_BOTH 0x0003 56#define NFS4_SHARE_DENY_READ 0x0001 57#define NFS4_SHARE_DENY_WRITE 0x0002 58#define NFS4_SHARE_DENY_BOTH 0x0003 59 60/* nfs41 */ 61#define NFS4_SHARE_WANT_TYPE_MASK 0xFF00 62#define NFS4_SHARE_WANT_NO_PREFERENCE 0x0000 63#define NFS4_SHARE_WANT_READ_DELEG 0x0100 64#define NFS4_SHARE_WANT_WRITE_DELEG 0x0200 65#define NFS4_SHARE_WANT_ANY_DELEG 0x0300 66#define NFS4_SHARE_WANT_NO_DELEG 0x0400 67#define NFS4_SHARE_WANT_CANCEL 0x0500 68 69#define NFS4_SHARE_WHEN_MASK 0xF0000 70#define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000 71#define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000 72 73#define NFS4_SHARE_WANT_MOD_MASK 0xF00000 74#define NFS4_SHARE_WANT_DELEG_TIMESTAMPS 0x100000 75#define NFS4_SHARE_WANT_OPEN_XOR_DELEGATION 0x200000 76 77#define NFS4_SHARE_WANT_MASK (NFS4_SHARE_WANT_TYPE_MASK | NFS4_SHARE_WANT_MOD_MASK) 78 79#define NFS4_CDFC4_FORE 0x1 80#define NFS4_CDFC4_BACK 0x2 81#define NFS4_CDFC4_BOTH 0x3 82#define NFS4_CDFC4_FORE_OR_BOTH 0x3 83#define NFS4_CDFC4_BACK_OR_BOTH 0x7 84 85#define NFS4_CDFS4_FORE 0x1 86#define NFS4_CDFS4_BACK 0x2 87#define NFS4_CDFS4_BOTH 0x3 88 89#define NFS4_SET_TO_SERVER_TIME 0 90#define NFS4_SET_TO_CLIENT_TIME 1 91 92#define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0 93#define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1 94#define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2 95#define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3 96 97#define ACL4_SUPPORT_ALLOW_ACL 0x01 98#define ACL4_SUPPORT_DENY_ACL 0x02 99#define ACL4_SUPPORT_AUDIT_ACL 0x04 100#define ACL4_SUPPORT_ALARM_ACL 0x08 101 102#define NFS4_ACL_AUTO_INHERIT 0x00000001 103#define NFS4_ACL_PROTECTED 0x00000002 104#define NFS4_ACL_DEFAULTED 0x00000004 105 106#define NFS4_ACE_FILE_INHERIT_ACE 0x00000001 107#define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002 108#define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004 109#define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008 110#define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010 111#define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020 112#define NFS4_ACE_IDENTIFIER_GROUP 0x00000040 113#define NFS4_ACE_INHERITED_ACE 0x00000080 114 115#define NFS4_ACE_READ_DATA 0x00000001 116#define NFS4_ACE_LIST_DIRECTORY 0x00000001 117#define NFS4_ACE_WRITE_DATA 0x00000002 118#define NFS4_ACE_ADD_FILE 0x00000002 119#define NFS4_ACE_APPEND_DATA 0x00000004 120#define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004 121#define NFS4_ACE_READ_NAMED_ATTRS 0x00000008 122#define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010 123#define NFS4_ACE_EXECUTE 0x00000020 124#define NFS4_ACE_DELETE_CHILD 0x00000040 125#define NFS4_ACE_READ_ATTRIBUTES 0x00000080 126#define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100 127#define NFS4_ACE_WRITE_RETENTION 0x00000200 128#define NFS4_ACE_WRITE_RETENTION_HOLD 0x00000400 129#define NFS4_ACE_DELETE 0x00010000 130#define NFS4_ACE_READ_ACL 0x00020000 131#define NFS4_ACE_WRITE_ACL 0x00040000 132#define NFS4_ACE_WRITE_OWNER 0x00080000 133#define NFS4_ACE_SYNCHRONIZE 0x00100000 134#define NFS4_ACE_GENERIC_READ 0x00120081 135#define NFS4_ACE_GENERIC_WRITE 0x00160106 136#define NFS4_ACE_GENERIC_EXECUTE 0x001200A0 137#define NFS4_ACE_MASK_ALL 0x001F01FF 138 139#define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001 140#define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002 141#define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100 142 143#define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000 144#define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000 145#define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000 146#define EXCHGID4_FLAG_MASK_PNFS 0x00070000 147 148#define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000 149#define EXCHGID4_FLAG_CONFIRMED_R 0x80000000 150 151#define EXCHGID4_FLAG_SUPP_FENCE_OPS 0x00000004 152/* 153 * Since the validity of these bits depends on whether 154 * they're set in the argument or response, have separate 155 * invalid flag masks for arg (_A) and resp (_R). 156 */ 157#define EXCHGID4_FLAG_MASK_A 0x40070103 158#define EXCHGID4_FLAG_MASK_R 0x80070103 159#define EXCHGID4_2_FLAG_MASK_R 0x80070107 160 161#define SEQ4_STATUS_CB_PATH_DOWN 0x00000001 162#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002 163#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004 164#define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008 165#define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010 166#define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020 167#define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040 168#define SEQ4_STATUS_LEASE_MOVED 0x00000080 169#define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100 170#define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200 171#define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400 172 173#define NFS4_SECINFO_STYLE4_CURRENT_FH 0 174#define NFS4_SECINFO_STYLE4_PARENT 1 175 176#define NFS4_MAX_UINT64 (~(__u64)0) 177 178/* An NFS4 sessions server must support at least NFS4_MAX_OPS operations. 179 * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly. 180 */ 181#define NFS4_MAX_OPS 8 182 183/* Our NFS4 client back channel server only wants the cb_sequene and the 184 * actual operation per compound 185 */ 186#define NFS4_MAX_BACK_CHANNEL_OPS 2 187 188#endif /* _UAPI_LINUX_NFS4_H */