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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* include/linux/nfs4.h
*
* NFSv4 protocol definitions.
*
* Copyright (c) 2002 The Regents of the University of Michigan.
* All rights reserved.
*
* Kendrick Smith <kmsmith@umich.edu>
* Andy Adamson <andros@umich.edu>
*/
#ifndef _LINUX_NFS4_H
#define _LINUX_NFS4_H
#include <linux/types.h>
#define NFS4_BITMAP_SIZE 3
#define NFS4_VERIFIER_SIZE 8
#define NFS4_STATEID_SEQID_SIZE 4
#define NFS4_STATEID_OTHER_SIZE 12
#define NFS4_STATEID_SIZE (NFS4_STATEID_SEQID_SIZE + NFS4_STATEID_OTHER_SIZE)
#define NFS4_FHSIZE 128
#define NFS4_MAXPATHLEN PATH_MAX
#define NFS4_MAXNAMLEN NAME_MAX
#define NFS4_OPAQUE_LIMIT 1024
#define NFS4_MAX_SESSIONID_LEN 16
#define NFS4_ACCESS_READ 0x0001
#define NFS4_ACCESS_LOOKUP 0x0002
#define NFS4_ACCESS_MODIFY 0x0004
#define NFS4_ACCESS_EXTEND 0x0008
#define NFS4_ACCESS_DELETE 0x0010
#define NFS4_ACCESS_EXECUTE 0x0020
#define NFS4_ACCESS_XAREAD 0x0040
#define NFS4_ACCESS_XAWRITE 0x0080
#define NFS4_ACCESS_XALIST 0x0100
#define NFS4_FH_PERSISTENT 0x0000
#define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001
#define NFS4_FH_VOLATILE_ANY 0x0002
#define NFS4_FH_VOL_MIGRATION 0x0004
#define NFS4_FH_VOL_RENAME 0x0008
#define NFS4_OPEN_RESULT_CONFIRM 0x0002
#define NFS4_OPEN_RESULT_LOCKTYPE_POSIX 0x0004
#define NFS4_OPEN_RESULT_PRESERVE_UNLINKED 0x0008
#define NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK 0x0020
#define NFS4_SHARE_ACCESS_MASK 0x000F
#define NFS4_SHARE_ACCESS_READ 0x0001
#define NFS4_SHARE_ACCESS_WRITE 0x0002
#define NFS4_SHARE_ACCESS_BOTH 0x0003
#define NFS4_SHARE_DENY_READ 0x0001
#define NFS4_SHARE_DENY_WRITE 0x0002
#define NFS4_SHARE_DENY_BOTH 0x0003
/* nfs41 */
#define NFS4_SHARE_WANT_MASK 0xFF00
#define NFS4_SHARE_WANT_NO_PREFERENCE 0x0000
#define NFS4_SHARE_WANT_READ_DELEG 0x0100
#define NFS4_SHARE_WANT_WRITE_DELEG 0x0200
#define NFS4_SHARE_WANT_ANY_DELEG 0x0300
#define NFS4_SHARE_WANT_NO_DELEG 0x0400
#define NFS4_SHARE_WANT_CANCEL 0x0500
#define NFS4_SHARE_WHEN_MASK 0xF0000
#define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000
#define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000
#define NFS4_CDFC4_FORE 0x1
#define NFS4_CDFC4_BACK 0x2
#define NFS4_CDFC4_BOTH 0x3
#define NFS4_CDFC4_FORE_OR_BOTH 0x3
#define NFS4_CDFC4_BACK_OR_BOTH 0x7
#define NFS4_CDFS4_FORE 0x1
#define NFS4_CDFS4_BACK 0x2
#define NFS4_CDFS4_BOTH 0x3
#define NFS4_SET_TO_SERVER_TIME 0
#define NFS4_SET_TO_CLIENT_TIME 1
#define NFS4_ACE_ACCESS_ALLOWED_ACE_TYPE 0
#define NFS4_ACE_ACCESS_DENIED_ACE_TYPE 1
#define NFS4_ACE_SYSTEM_AUDIT_ACE_TYPE 2
#define NFS4_ACE_SYSTEM_ALARM_ACE_TYPE 3
#define ACL4_SUPPORT_ALLOW_ACL 0x01
#define ACL4_SUPPORT_DENY_ACL 0x02
#define ACL4_SUPPORT_AUDIT_ACL 0x04
#define ACL4_SUPPORT_ALARM_ACL 0x08
#define NFS4_ACL_AUTO_INHERIT 0x00000001
#define NFS4_ACL_PROTECTED 0x00000002
#define NFS4_ACL_DEFAULTED 0x00000004
#define NFS4_ACE_FILE_INHERIT_ACE 0x00000001
#define NFS4_ACE_DIRECTORY_INHERIT_ACE 0x00000002
#define NFS4_ACE_NO_PROPAGATE_INHERIT_ACE 0x00000004
#define NFS4_ACE_INHERIT_ONLY_ACE 0x00000008
#define NFS4_ACE_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
#define NFS4_ACE_FAILED_ACCESS_ACE_FLAG 0x00000020
#define NFS4_ACE_IDENTIFIER_GROUP 0x00000040
#define NFS4_ACE_INHERITED_ACE 0x00000080
#define NFS4_ACE_READ_DATA 0x00000001
#define NFS4_ACE_LIST_DIRECTORY 0x00000001
#define NFS4_ACE_WRITE_DATA 0x00000002
#define NFS4_ACE_ADD_FILE 0x00000002
#define NFS4_ACE_APPEND_DATA 0x00000004
#define NFS4_ACE_ADD_SUBDIRECTORY 0x00000004
#define NFS4_ACE_READ_NAMED_ATTRS 0x00000008
#define NFS4_ACE_WRITE_NAMED_ATTRS 0x00000010
#define NFS4_ACE_EXECUTE 0x00000020
#define NFS4_ACE_DELETE_CHILD 0x00000040
#define NFS4_ACE_READ_ATTRIBUTES 0x00000080
#define NFS4_ACE_WRITE_ATTRIBUTES 0x00000100
#define NFS4_ACE_WRITE_RETENTION 0x00000200
#define NFS4_ACE_WRITE_RETENTION_HOLD 0x00000400
#define NFS4_ACE_DELETE 0x00010000
#define NFS4_ACE_READ_ACL 0x00020000
#define NFS4_ACE_WRITE_ACL 0x00040000
#define NFS4_ACE_WRITE_OWNER 0x00080000
#define NFS4_ACE_SYNCHRONIZE 0x00100000
#define NFS4_ACE_GENERIC_READ 0x00120081
#define NFS4_ACE_GENERIC_WRITE 0x00160106
#define NFS4_ACE_GENERIC_EXECUTE 0x001200A0
#define NFS4_ACE_MASK_ALL 0x001F01FF
#define EXCHGID4_FLAG_SUPP_MOVED_REFER 0x00000001
#define EXCHGID4_FLAG_SUPP_MOVED_MIGR 0x00000002
#define EXCHGID4_FLAG_BIND_PRINC_STATEID 0x00000100
#define EXCHGID4_FLAG_USE_NON_PNFS 0x00010000
#define EXCHGID4_FLAG_USE_PNFS_MDS 0x00020000
#define EXCHGID4_FLAG_USE_PNFS_DS 0x00040000
#define EXCHGID4_FLAG_MASK_PNFS 0x00070000
#define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
#define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
#define EXCHGID4_FLAG_SUPP_FENCE_OPS 0x00000004
/*
* Since the validity of these bits depends on whether
* they're set in the argument or response, have separate
* invalid flag masks for arg (_A) and resp (_R).
*/
#define EXCHGID4_FLAG_MASK_A 0x40070103
#define EXCHGID4_FLAG_MASK_R 0x80070103
#define EXCHGID4_2_FLAG_MASK_R 0x80070107
#define SEQ4_STATUS_CB_PATH_DOWN 0x00000001
#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002
#define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRED 0x00000004
#define SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED 0x00000008
#define SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED 0x00000010
#define SEQ4_STATUS_ADMIN_STATE_REVOKED 0x00000020
#define SEQ4_STATUS_RECALLABLE_STATE_REVOKED 0x00000040
#define SEQ4_STATUS_LEASE_MOVED 0x00000080
#define SEQ4_STATUS_RESTART_RECLAIM_NEEDED 0x00000100
#define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
#define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
#define NFS4_SECINFO_STYLE4_CURRENT_FH 0
#define NFS4_SECINFO_STYLE4_PARENT 1
#define NFS4_MAX_UINT64 (~(__u64)0)
/* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
* If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
*/
#define NFS4_MAX_OPS 8
/* Our NFS4 client back channel server only wants the cb_sequene and the
* actual operation per compound
*/
#define NFS4_MAX_BACK_CHANNEL_OPS 2
#endif /* _LINUX_NFS4_H */