linux-loongson/Documentation/sunrpc/xdr/nfs4_1.x

/*
 * Copyright (c) 2010 IETF Trust and the persons identified
 * as the document authors.  All rights reserved.
 *
 * The document authors are identified in RFC 3530 and
 * RFC 5661.
 *
 * Redistribution and use in source and binary forms, with
 * or without modification, are permitted provided that the
 * following conditions are met:
 *
 * - Redistributions of source code must retain the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the
 *   following disclaimer in the documentation and/or other
 *   materials provided with the distribution.
 *
 * - Neither the name of Internet Society, IETF or IETF
 *   Trust, nor the names of specific contributors, may be
 *   used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
 *   AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 *   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
 *   EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 *   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 *   IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 *   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

pragma header nfs4;

/*
 * Basic typedefs for RFC 1832 data type definitions
 */
typedef hyper		int64_t;
typedef unsigned int	uint32_t;

/*
 * Basic data types
 */
typedef uint32_t	bitmap4<>;

/*
 * Timeval
 */
struct nfstime4 {
	int64_t		seconds;
	uint32_t	nseconds;
};


/*
 * The following content was extracted from draft-ietf-nfsv4-delstid
 */

typedef bool            fattr4_offline;


const FATTR4_OFFLINE            = 83;


struct open_arguments4 {
  bitmap4  oa_share_access;
  bitmap4  oa_share_deny;
  bitmap4  oa_share_access_want;
  bitmap4  oa_open_claim;
  bitmap4  oa_create_mode;
};


enum open_args_share_access4 {
   OPEN_ARGS_SHARE_ACCESS_READ  = 1,
   OPEN_ARGS_SHARE_ACCESS_WRITE = 2,
   OPEN_ARGS_SHARE_ACCESS_BOTH  = 3
};


enum open_args_share_deny4 {
   OPEN_ARGS_SHARE_DENY_NONE  = 0,
   OPEN_ARGS_SHARE_DENY_READ  = 1,
   OPEN_ARGS_SHARE_DENY_WRITE = 2,
   OPEN_ARGS_SHARE_DENY_BOTH  = 3
};


enum open_args_share_access_want4 {
   OPEN_ARGS_SHARE_ACCESS_WANT_ANY_DELEG           = 3,
   OPEN_ARGS_SHARE_ACCESS_WANT_NO_DELEG            = 4,
   OPEN_ARGS_SHARE_ACCESS_WANT_CANCEL              = 5,
   OPEN_ARGS_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL
                                                   = 17,
   OPEN_ARGS_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED
                                                   = 18,
   OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS    = 20,
   OPEN_ARGS_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 21
};


enum open_args_open_claim4 {
   OPEN_ARGS_OPEN_CLAIM_NULL          = 0,
   OPEN_ARGS_OPEN_CLAIM_PREVIOUS      = 1,
   OPEN_ARGS_OPEN_CLAIM_DELEGATE_CUR  = 2,
   OPEN_ARGS_OPEN_CLAIM_DELEGATE_PREV = 3,
   OPEN_ARGS_OPEN_CLAIM_FH            = 4,
   OPEN_ARGS_OPEN_CLAIM_DELEG_CUR_FH  = 5,
   OPEN_ARGS_OPEN_CLAIM_DELEG_PREV_FH = 6
};


enum open_args_createmode4 {
   OPEN_ARGS_CREATEMODE_UNCHECKED4     = 0,
   OPEN_ARGS_CREATE_MODE_GUARDED       = 1,
   OPEN_ARGS_CREATEMODE_EXCLUSIVE4     = 2,
   OPEN_ARGS_CREATE_MODE_EXCLUSIVE4_1  = 3
};


typedef open_arguments4 fattr4_open_arguments;
pragma public fattr4_open_arguments;


%/*
% * Determine what OPEN supports.
% */
const FATTR4_OPEN_ARGUMENTS     = 86;




const OPEN4_RESULT_NO_OPEN_STATEID = 0x00000010;


/*
 * attributes for the delegation times being
 * cached and served by the "client"
 */
typedef nfstime4        fattr4_time_deleg_access;
typedef nfstime4        fattr4_time_deleg_modify;
pragma public 		fattr4_time_deleg_access;
pragma public		fattr4_time_deleg_modify;


%/*
% * New RECOMMENDED Attribute for
% * delegation caching of times
% */
const FATTR4_TIME_DELEG_ACCESS  = 84;
const FATTR4_TIME_DELEG_MODIFY  = 85;



/* new flags for share_access field of OPEN4args */
const OPEN4_SHARE_ACCESS_WANT_DELEG_MASK        = 0xFF00;
const OPEN4_SHARE_ACCESS_WANT_NO_PREFERENCE     = 0x0000;
const OPEN4_SHARE_ACCESS_WANT_READ_DELEG        = 0x0100;
const OPEN4_SHARE_ACCESS_WANT_WRITE_DELEG       = 0x0200;
const OPEN4_SHARE_ACCESS_WANT_ANY_DELEG         = 0x0300;
const OPEN4_SHARE_ACCESS_WANT_NO_DELEG          = 0x0400;
const OPEN4_SHARE_ACCESS_WANT_CANCEL            = 0x0500;

const OPEN4_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL = 0x10000;
const OPEN4_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED = 0x20000;
const OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 0x100000;
const OPEN4_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 0x200000;

enum open_delegation_type4 {
       OPEN_DELEGATE_NONE                  = 0,
       OPEN_DELEGATE_READ                  = 1,
       OPEN_DELEGATE_WRITE                 = 2,
       OPEN_DELEGATE_NONE_EXT              = 3, /* new to v4.1 */
       OPEN_DELEGATE_READ_ATTRS_DELEG      = 4,
       OPEN_DELEGATE_WRITE_ATTRS_DELEG     = 5
};