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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_SIZE       16

#define NFS4_FHSIZE             128

#define NFS4_MAXPATHLEN         PATH_MAX

#define NFS4_MAXNAMLEN          NAME_MAX

#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_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

#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_OWNER                        0x00000080

#define NFS4_ACE_GROUP                        0x00000100

#define NFS4_ACE_EVERYONE                     0x00000200

#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

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;

typedef struct { char data[NFS4_STATEID_SIZE]; } 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,

        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_RELEASE_LOCKOWNER

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

};

/*

 * 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

};

enum opentype4 {

        NFS4_OPEN_NOCREATE = 0,

        NFS4_OPEN_CREATE = 1

};

enum createmode4 {

        NFS4_CREATE_UNCHECKED = 0,

        NFS4_CREATE_GUARDED = 1,

        NFS4_CREATE_EXCLUSIVE = 2

};

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)

/* 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 NFSPROC4_NULL 0

#define NFSPROC4_COMPOUND 1

#define NFS4_MINOR_VERSION 0

#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,

};

#endif

#endif

/*

 * Local variables:

 *  c-basic-offset: 8

 * End:

 */