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