/*
   * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
   *
   * This software is available to you under a choice of one of two
   * licenses.  You may choose to be licensed under the terms of the GNU
   * General Public License (GPL) Version 2, available from the file
   * COPYING in the main directory of this source tree, or the BSD-type
   * license below:
   *
   * 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 the Network Appliance, Inc. nor the names of
   *      its 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.
   */
  
  #ifndef _LINUX_SUNRPC_XPRTRDMA_H
  #define _LINUX_SUNRPC_XPRTRDMA_H
  
  /*
   * rpcbind (v3+) RDMA netid.
   */
  #define RPCBIND_NETID_RDMA	"rdma"
  
  /*
   * Constants. Max RPC/NFS header is big enough to account for
   * additional marshaling buffers passed down by Linux client.
   *
   * RDMA header is currently fixed max size, and is big enough for a
   * fully-chunked NFS message (read chunks are the largest). Note only
   * a single chunk type per message is supported currently.
   */
  #define RPCRDMA_MIN_SLOT_TABLE	(2U)
  #define RPCRDMA_DEF_SLOT_TABLE	(32U)
  #define RPCRDMA_MAX_SLOT_TABLE	(256U)
  
  #define RPCRDMA_DEF_INLINE  (1024)	/* default inline max */
  
  #define RPCRDMA_INLINE_PAD_THRESH  (512)/* payload threshold to pad (bytes) */
  
  /* memory registration strategies */
  #define RPCRDMA_PERSISTENT_REGISTRATION (1)
  
  enum rpcrdma_memreg {
  	RPCRDMA_BOUNCEBUFFERS = 0,
  	RPCRDMA_REGISTER,
  	RPCRDMA_MEMWINDOWS,
  	RPCRDMA_MEMWINDOWS_ASYNC,
  	RPCRDMA_MTHCAFMR,
  	RPCRDMA_FRMR,
  	RPCRDMA_ALLPHYSICAL,
  	RPCRDMA_LAST
  };
  
  #endif /* _LINUX_SUNRPC_XPRTRDMA_H */