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linux_dsm_epyc7002/include/linux/nfs4.h
Trond Myklebust 2d2f24add1 NFSv4: Simplify the struct nfs4_stateid 
Replace the union with the common struct stateid4 as defined in both
RFC3530 and RFC5661. This makes it easier to access the sequence id,
which will again make implementing support for parallel OPEN calls
easier.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-03-06 10:32:47 -05:00

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/*
* 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 2
#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_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_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_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_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_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_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
/*
* 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 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
enum nfs4_acl_whotype {
NFS4_ACL_WHO_NAMED = 0,
NFS4_ACL_WHO_OWNER,
NFS4_ACL_WHO_GROUP,
NFS4_ACL_WHO_EVERYONE,
};
#ifdef __KERNEL__
#include <linux/list.h>
struct nfs4_ace {
uint32_t type;
uint32_t flag;
uint32_t access_mask;
int whotype;
uid_t who;
};
struct nfs4_acl {
uint32_t naces;
struct nfs4_ace aces[0];
};
typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier;
struct nfs_stateid4 {
__be32 seqid;
char other[NFS4_STATEID_OTHER_SIZE];
} __attribute__ ((packed));
typedef struct nfs_stateid4 nfs4_stateid;
enum nfs_opnum4 {
OP_ACCESS = 3,
OP_CLOSE = 4,
OP_COMMIT = 5,
OP_CREATE = 6,
OP_DELEGPURGE = 7,
OP_DELEGRETURN = 8,
OP_GETATTR = 9,
OP_GETFH = 10,
OP_LINK = 11,
OP_LOCK = 12,
OP_LOCKT = 13,
OP_LOCKU = 14,
OP_LOOKUP = 15,
OP_LOOKUPP = 16,
OP_NVERIFY = 17,
OP_OPEN = 18,
OP_OPENATTR = 19,
OP_OPEN_CONFIRM = 20,
OP_OPEN_DOWNGRADE = 21,
OP_PUTFH = 22,
OP_PUTPUBFH = 23,
OP_PUTROOTFH = 24,
OP_READ = 25,
OP_READDIR = 26,
OP_READLINK = 27,
OP_REMOVE = 28,
OP_RENAME = 29,
OP_RENEW = 30,
OP_RESTOREFH = 31,
OP_SAVEFH = 32,
OP_SECINFO = 33,
OP_SETATTR = 34,
OP_SETCLIENTID = 35,
OP_SETCLIENTID_CONFIRM = 36,
OP_VERIFY = 37,
OP_WRITE = 38,
OP_RELEASE_LOCKOWNER = 39,
/* nfs41 */
OP_BACKCHANNEL_CTL = 40,
OP_BIND_CONN_TO_SESSION = 41,
OP_EXCHANGE_ID = 42,
OP_CREATE_SESSION = 43,
OP_DESTROY_SESSION = 44,
OP_FREE_STATEID = 45,
OP_GET_DIR_DELEGATION = 46,
OP_GETDEVICEINFO = 47,
OP_GETDEVICELIST = 48,
OP_LAYOUTCOMMIT = 49,
OP_LAYOUTGET = 50,
OP_LAYOUTRETURN = 51,
OP_SECINFO_NO_NAME = 52,
OP_SEQUENCE = 53,
OP_SET_SSV = 54,
OP_TEST_STATEID = 55,
OP_WANT_DELEGATION = 56,
OP_DESTROY_CLIENTID = 57,
OP_RECLAIM_COMPLETE = 58,
OP_ILLEGAL = 10044,
};
/*Defining first and last NFS4 operations implemented.
Needs to be updated if more operations are defined in future.*/
#define FIRST_NFS4_OP OP_ACCESS
#define LAST_NFS4_OP OP_RECLAIM_COMPLETE
enum nfsstat4 {
NFS4_OK = 0,
NFS4ERR_PERM = 1,
NFS4ERR_NOENT = 2,
NFS4ERR_IO = 5,
NFS4ERR_NXIO = 6,
NFS4ERR_ACCESS = 13,
NFS4ERR_EXIST = 17,
NFS4ERR_XDEV = 18,
/* Unused/reserved 19 */
NFS4ERR_NOTDIR = 20,
NFS4ERR_ISDIR = 21,
NFS4ERR_INVAL = 22,
NFS4ERR_FBIG = 27,
NFS4ERR_NOSPC = 28,
NFS4ERR_ROFS = 30,
NFS4ERR_MLINK = 31,
NFS4ERR_NAMETOOLONG = 63,
NFS4ERR_NOTEMPTY = 66,
NFS4ERR_DQUOT = 69,
NFS4ERR_STALE = 70,
NFS4ERR_BADHANDLE = 10001,
NFS4ERR_BAD_COOKIE = 10003,
NFS4ERR_NOTSUPP = 10004,
NFS4ERR_TOOSMALL = 10005,
NFS4ERR_SERVERFAULT = 10006,
NFS4ERR_BADTYPE = 10007,
NFS4ERR_DELAY = 10008,
NFS4ERR_SAME = 10009,
NFS4ERR_DENIED = 10010,
NFS4ERR_EXPIRED = 10011,
NFS4ERR_LOCKED = 10012,
NFS4ERR_GRACE = 10013,
NFS4ERR_FHEXPIRED = 10014,
NFS4ERR_SHARE_DENIED = 10015,
NFS4ERR_WRONGSEC = 10016,
NFS4ERR_CLID_INUSE = 10017,
NFS4ERR_RESOURCE = 10018,
NFS4ERR_MOVED = 10019,
NFS4ERR_NOFILEHANDLE = 10020,
NFS4ERR_MINOR_VERS_MISMATCH = 10021,
NFS4ERR_STALE_CLIENTID = 10022,
NFS4ERR_STALE_STATEID = 10023,
NFS4ERR_OLD_STATEID = 10024,
NFS4ERR_BAD_STATEID = 10025,
NFS4ERR_BAD_SEQID = 10026,
NFS4ERR_NOT_SAME = 10027,
NFS4ERR_LOCK_RANGE = 10028,
NFS4ERR_SYMLINK = 10029,
NFS4ERR_RESTOREFH = 10030,
NFS4ERR_LEASE_MOVED = 10031,
NFS4ERR_ATTRNOTSUPP = 10032,
NFS4ERR_NO_GRACE = 10033,
NFS4ERR_RECLAIM_BAD = 10034,
NFS4ERR_RECLAIM_CONFLICT = 10035,
NFS4ERR_BADXDR = 10036,
NFS4ERR_LOCKS_HELD = 10037,
NFS4ERR_OPENMODE = 10038,
NFS4ERR_BADOWNER = 10039,
NFS4ERR_BADCHAR = 10040,
NFS4ERR_BADNAME = 10041,
NFS4ERR_BAD_RANGE = 10042,
NFS4ERR_LOCK_NOTSUPP = 10043,
NFS4ERR_OP_ILLEGAL = 10044,
NFS4ERR_DEADLOCK = 10045,
NFS4ERR_FILE_OPEN = 10046,
NFS4ERR_ADMIN_REVOKED = 10047,
NFS4ERR_CB_PATH_DOWN = 10048,
/* nfs41 */
NFS4ERR_BADIOMODE = 10049,
NFS4ERR_BADLAYOUT = 10050,
NFS4ERR_BAD_SESSION_DIGEST = 10051,
NFS4ERR_BADSESSION = 10052,
NFS4ERR_BADSLOT = 10053,
NFS4ERR_COMPLETE_ALREADY = 10054,
NFS4ERR_CONN_NOT_BOUND_TO_SESSION = 10055,
NFS4ERR_DELEG_ALREADY_WANTED = 10056,
NFS4ERR_BACK_CHAN_BUSY = 10057, /* backchan reqs outstanding */
NFS4ERR_LAYOUTTRYLATER = 10058,
NFS4ERR_LAYOUTUNAVAILABLE = 10059,
NFS4ERR_NOMATCHING_LAYOUT = 10060,
NFS4ERR_RECALLCONFLICT = 10061,
NFS4ERR_UNKNOWN_LAYOUTTYPE = 10062,
NFS4ERR_SEQ_MISORDERED = 10063, /* unexpected seq.id in req */
NFS4ERR_SEQUENCE_POS = 10064, /* [CB_]SEQ. op not 1st op */
NFS4ERR_REQ_TOO_BIG = 10065, /* request too big */
NFS4ERR_REP_TOO_BIG = 10066, /* reply too big */
NFS4ERR_REP_TOO_BIG_TO_CACHE = 10067, /* rep. not all cached */
NFS4ERR_RETRY_UNCACHED_REP = 10068, /* retry & rep. uncached */
NFS4ERR_UNSAFE_COMPOUND = 10069, /* retry/recovery too hard */
NFS4ERR_TOO_MANY_OPS = 10070, /* too many ops in [CB_]COMP */
NFS4ERR_OP_NOT_IN_SESSION = 10071, /* op needs [CB_]SEQ. op */
NFS4ERR_HASH_ALG_UNSUPP = 10072, /* hash alg. not supp. */
/* Error 10073 is unused. */
NFS4ERR_CLIENTID_BUSY = 10074, /* clientid has state */
NFS4ERR_PNFS_IO_HOLE = 10075, /* IO to _SPARSE file hole */
NFS4ERR_SEQ_FALSE_RETRY = 10076, /* retry not original */
NFS4ERR_BAD_HIGH_SLOT = 10077, /* sequence arg bad */
NFS4ERR_DEADSESSION = 10078, /* persistent session dead */
NFS4ERR_ENCR_ALG_UNSUPP = 10079, /* SSV alg mismatch */
NFS4ERR_PNFS_NO_LAYOUT = 10080, /* direct I/O with no layout */
NFS4ERR_NOT_ONLY_OP = 10081, /* bad compound */
NFS4ERR_WRONG_CRED = 10082, /* permissions:state change */
NFS4ERR_WRONG_TYPE = 10083, /* current operation mismatch */
NFS4ERR_DIRDELEG_UNAVAIL = 10084, /* no directory delegation */
NFS4ERR_REJECT_DELEG = 10085, /* on callback */
NFS4ERR_RETURNCONFLICT = 10086, /* outstanding layoutreturn */
NFS4ERR_DELEG_REVOKED = 10087, /* deleg./layout revoked */
};
static inline bool seqid_mutating_err(u32 err)
{
/* rfc 3530 section 8.1.5: */
switch (err) {
case NFS4ERR_STALE_CLIENTID:
case NFS4ERR_STALE_STATEID:
case NFS4ERR_BAD_STATEID:
case NFS4ERR_BAD_SEQID:
case NFS4ERR_BADXDR:
case NFS4ERR_RESOURCE:
case NFS4ERR_NOFILEHANDLE:
return false;
};
return true;
}
/*
* Note: NF4BAD is not actually part of the protocol; it is just used
* internally by nfsd.
*/
enum nfs_ftype4 {
NF4BAD = 0,
NF4REG = 1, /* Regular File */
NF4DIR = 2, /* Directory */
NF4BLK = 3, /* Special File - block device */
NF4CHR = 4, /* Special File - character device */
NF4LNK = 5, /* Symbolic Link */
NF4SOCK = 6, /* Special File - socket */
NF4FIFO = 7, /* Special File - fifo */
NF4ATTRDIR = 8, /* Attribute Directory */
NF4NAMEDATTR = 9 /* Named Attribute */
};
enum open_claim_type4 {
NFS4_OPEN_CLAIM_NULL = 0,
NFS4_OPEN_CLAIM_PREVIOUS = 1,
NFS4_OPEN_CLAIM_DELEGATE_CUR = 2,
NFS4_OPEN_CLAIM_DELEGATE_PREV = 3,
NFS4_OPEN_CLAIM_FH = 4, /* 4.1 */
NFS4_OPEN_CLAIM_DELEG_CUR_FH = 5, /* 4.1 */
NFS4_OPEN_CLAIM_DELEG_PREV_FH = 6, /* 4.1 */
};
enum opentype4 {
NFS4_OPEN_NOCREATE = 0,
NFS4_OPEN_CREATE = 1
};
enum createmode4 {
NFS4_CREATE_UNCHECKED = 0,
NFS4_CREATE_GUARDED = 1,
NFS4_CREATE_EXCLUSIVE = 2,
/*
* New to NFSv4.1. If session is persistent,
* GUARDED4 MUST be used. Otherwise, use
* EXCLUSIVE4_1 instead of EXCLUSIVE4.
*/
NFS4_CREATE_EXCLUSIVE4_1 = 3
};
enum limit_by4 {
NFS4_LIMIT_SIZE = 1,
NFS4_LIMIT_BLOCKS = 2
};
enum open_delegation_type4 {
NFS4_OPEN_DELEGATE_NONE = 0,
NFS4_OPEN_DELEGATE_READ = 1,
NFS4_OPEN_DELEGATE_WRITE = 2
};
enum lock_type4 {
NFS4_UNLOCK_LT = 0,
NFS4_READ_LT = 1,
NFS4_WRITE_LT = 2,
NFS4_READW_LT = 3,
NFS4_WRITEW_LT = 4
};
/* Mandatory Attributes */
#define FATTR4_WORD0_SUPPORTED_ATTRS (1UL << 0)
#define FATTR4_WORD0_TYPE (1UL << 1)
#define FATTR4_WORD0_FH_EXPIRE_TYPE (1UL << 2)
#define FATTR4_WORD0_CHANGE (1UL << 3)
#define FATTR4_WORD0_SIZE (1UL << 4)
#define FATTR4_WORD0_LINK_SUPPORT (1UL << 5)
#define FATTR4_WORD0_SYMLINK_SUPPORT (1UL << 6)
#define FATTR4_WORD0_NAMED_ATTR (1UL << 7)
#define FATTR4_WORD0_FSID (1UL << 8)
#define FATTR4_WORD0_UNIQUE_HANDLES (1UL << 9)
#define FATTR4_WORD0_LEASE_TIME (1UL << 10)
#define FATTR4_WORD0_RDATTR_ERROR (1UL << 11)
/* Mandatory in NFSv4.1 */
#define FATTR4_WORD2_SUPPATTR_EXCLCREAT (1UL << 11)
/* Recommended Attributes */
#define FATTR4_WORD0_ACL (1UL << 12)
#define FATTR4_WORD0_ACLSUPPORT (1UL << 13)
#define FATTR4_WORD0_ARCHIVE (1UL << 14)
#define FATTR4_WORD0_CANSETTIME (1UL << 15)
#define FATTR4_WORD0_CASE_INSENSITIVE (1UL << 16)
#define FATTR4_WORD0_CASE_PRESERVING (1UL << 17)
#define FATTR4_WORD0_CHOWN_RESTRICTED (1UL << 18)
#define FATTR4_WORD0_FILEHANDLE (1UL << 19)
#define FATTR4_WORD0_FILEID (1UL << 20)
#define FATTR4_WORD0_FILES_AVAIL (1UL << 21)
#define FATTR4_WORD0_FILES_FREE (1UL << 22)
#define FATTR4_WORD0_FILES_TOTAL (1UL << 23)
#define FATTR4_WORD0_FS_LOCATIONS (1UL << 24)
#define FATTR4_WORD0_HIDDEN (1UL << 25)
#define FATTR4_WORD0_HOMOGENEOUS (1UL << 26)
#define FATTR4_WORD0_MAXFILESIZE (1UL << 27)
#define FATTR4_WORD0_MAXLINK (1UL << 28)
#define FATTR4_WORD0_MAXNAME (1UL << 29)
#define FATTR4_WORD0_MAXREAD (1UL << 30)
#define FATTR4_WORD0_MAXWRITE (1UL << 31)
#define FATTR4_WORD1_MIMETYPE (1UL << 0)
#define FATTR4_WORD1_MODE (1UL << 1)
#define FATTR4_WORD1_NO_TRUNC (1UL << 2)
#define FATTR4_WORD1_NUMLINKS (1UL << 3)
#define FATTR4_WORD1_OWNER (1UL << 4)
#define FATTR4_WORD1_OWNER_GROUP (1UL << 5)
#define FATTR4_WORD1_QUOTA_HARD (1UL << 6)
#define FATTR4_WORD1_QUOTA_SOFT (1UL << 7)
#define FATTR4_WORD1_QUOTA_USED (1UL << 8)
#define FATTR4_WORD1_RAWDEV (1UL << 9)
#define FATTR4_WORD1_SPACE_AVAIL (1UL << 10)
#define FATTR4_WORD1_SPACE_FREE (1UL << 11)
#define FATTR4_WORD1_SPACE_TOTAL (1UL << 12)
#define FATTR4_WORD1_SPACE_USED (1UL << 13)
#define FATTR4_WORD1_SYSTEM (1UL << 14)
#define FATTR4_WORD1_TIME_ACCESS (1UL << 15)
#define FATTR4_WORD1_TIME_ACCESS_SET (1UL << 16)
#define FATTR4_WORD1_TIME_BACKUP (1UL << 17)
#define FATTR4_WORD1_TIME_CREATE (1UL << 18)
#define FATTR4_WORD1_TIME_DELTA (1UL << 19)
#define FATTR4_WORD1_TIME_METADATA (1UL << 20)
#define FATTR4_WORD1_TIME_MODIFY (1UL << 21)
#define FATTR4_WORD1_TIME_MODIFY_SET (1UL << 22)
#define FATTR4_WORD1_MOUNTED_ON_FILEID (1UL << 23)
#define FATTR4_WORD1_FS_LAYOUT_TYPES (1UL << 30)
#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
#define NFSPROC4_NULL 0
#define NFSPROC4_COMPOUND 1
#define NFS4_VERSION 4
#define NFS4_MINOR_VERSION 0
#if defined(CONFIG_NFS_V4_1)
#define NFS4_MAX_MINOR_VERSION 1
#else
#define NFS4_MAX_MINOR_VERSION 0
#endif /* CONFIG_NFS_V4_1 */
#define NFS4_DEBUG 1
/* Index of predefined Linux client operations */
enum {
NFSPROC4_CLNT_NULL = 0, /* Unused */
NFSPROC4_CLNT_READ,
NFSPROC4_CLNT_WRITE,
NFSPROC4_CLNT_COMMIT,
NFSPROC4_CLNT_OPEN,
NFSPROC4_CLNT_OPEN_CONFIRM,
NFSPROC4_CLNT_OPEN_NOATTR,
NFSPROC4_CLNT_OPEN_DOWNGRADE,
NFSPROC4_CLNT_CLOSE,
NFSPROC4_CLNT_SETATTR,
NFSPROC4_CLNT_FSINFO,
NFSPROC4_CLNT_RENEW,
NFSPROC4_CLNT_SETCLIENTID,
NFSPROC4_CLNT_SETCLIENTID_CONFIRM,
NFSPROC4_CLNT_LOCK,
NFSPROC4_CLNT_LOCKT,
NFSPROC4_CLNT_LOCKU,
NFSPROC4_CLNT_ACCESS,
NFSPROC4_CLNT_GETATTR,
NFSPROC4_CLNT_LOOKUP,
NFSPROC4_CLNT_LOOKUP_ROOT,
NFSPROC4_CLNT_REMOVE,
NFSPROC4_CLNT_RENAME,
NFSPROC4_CLNT_LINK,
NFSPROC4_CLNT_SYMLINK,
NFSPROC4_CLNT_CREATE,
NFSPROC4_CLNT_PATHCONF,
NFSPROC4_CLNT_STATFS,
NFSPROC4_CLNT_READLINK,
NFSPROC4_CLNT_READDIR,
NFSPROC4_CLNT_SERVER_CAPS,
NFSPROC4_CLNT_DELEGRETURN,
NFSPROC4_CLNT_GETACL,
NFSPROC4_CLNT_SETACL,
NFSPROC4_CLNT_FS_LOCATIONS,
NFSPROC4_CLNT_RELEASE_LOCKOWNER,
NFSPROC4_CLNT_SECINFO,
/* nfs41 */
NFSPROC4_CLNT_EXCHANGE_ID,
NFSPROC4_CLNT_CREATE_SESSION,
NFSPROC4_CLNT_DESTROY_SESSION,
NFSPROC4_CLNT_SEQUENCE,
NFSPROC4_CLNT_GET_LEASE_TIME,
NFSPROC4_CLNT_RECLAIM_COMPLETE,
NFSPROC4_CLNT_LAYOUTGET,
NFSPROC4_CLNT_GETDEVICEINFO,
NFSPROC4_CLNT_LAYOUTCOMMIT,
NFSPROC4_CLNT_LAYOUTRETURN,
NFSPROC4_CLNT_SECINFO_NO_NAME,
NFSPROC4_CLNT_TEST_STATEID,
NFSPROC4_CLNT_FREE_STATEID,
NFSPROC4_CLNT_GETDEVICELIST,
};
/* nfs41 types */
struct nfs4_sessionid {
unsigned char data[NFS4_MAX_SESSIONID_LEN];
};
/* Create Session Flags */
#define SESSION4_PERSIST 0x001
#define SESSION4_BACK_CHAN 0x002
#define SESSION4_RDMA 0x004
#define SESSION4_FLAG_MASK_A 0x007
enum state_protect_how4 {
SP4_NONE = 0,
SP4_MACH_CRED = 1,
SP4_SSV = 2
};
enum pnfs_layouttype {
LAYOUT_NFSV4_1_FILES = 1,
LAYOUT_OSD2_OBJECTS = 2,
LAYOUT_BLOCK_VOLUME = 3,
};
/* used for both layout return and recall */
enum pnfs_layoutreturn_type {
RETURN_FILE = 1,
RETURN_FSID = 2,
RETURN_ALL = 3
};
enum pnfs_iomode {
IOMODE_READ = 1,
IOMODE_RW = 2,
IOMODE_ANY = 3,
};
enum pnfs_notify_deviceid_type4 {
NOTIFY_DEVICEID4_CHANGE = 1 << 1,
NOTIFY_DEVICEID4_DELETE = 1 << 2,
};
#define NFL4_UFLG_MASK 0x0000003F
#define NFL4_UFLG_DENSE 0x00000001
#define NFL4_UFLG_COMMIT_THRU_MDS 0x00000002
#define NFL4_UFLG_STRIPE_UNIT_SIZE_MASK 0xFFFFFFC0
/* Encoded in the loh_body field of type layouthint4 */
enum filelayout_hint_care4 {
NFLH4_CARE_DENSE = NFL4_UFLG_DENSE,
NFLH4_CARE_COMMIT_THRU_MDS = NFL4_UFLG_COMMIT_THRU_MDS,
NFLH4_CARE_STRIPE_UNIT_SIZE = 0x00000040,
NFLH4_CARE_STRIPE_COUNT = 0x00000080
};
#define NFS4_DEVICEID4_SIZE 16
struct nfs4_deviceid {
char data[NFS4_DEVICEID4_SIZE];
};
#endif
#endif
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
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