cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

xprtrdma.h (3023B)

      1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
      2/*
      3 * Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
      4 *
      5 * This software is available to you under a choice of one of two
      6 * licenses.  You may choose to be licensed under the terms of the GNU
      7 * General Public License (GPL) Version 2, available from the file
      8 * COPYING in the main directory of this source tree, or the BSD-type
      9 * license below:
     10 *
     11 * Redistribution and use in source and binary forms, with or without
     12 * modification, are permitted provided that the following conditions
     13 * are met:
     14 *
     15 *      Redistributions of source code must retain the above copyright
     16 *      notice, this list of conditions and the following disclaimer.
     17 *
     18 *      Redistributions in binary form must reproduce the above
     19 *      copyright notice, this list of conditions and the following
     20 *      disclaimer in the documentation and/or other materials provided
     21 *      with the distribution.
     22 *
     23 *      Neither the name of the Network Appliance, Inc. nor the names of
     24 *      its contributors may be used to endorse or promote products
     25 *      derived from this software without specific prior written
     26 *      permission.
     27 *
     28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     39 */
     40
     41#ifndef _LINUX_SUNRPC_XPRTRDMA_H
     42#define _LINUX_SUNRPC_XPRTRDMA_H
     43
     44/*
     45 * Constants. Max RPC/NFS header is big enough to account for
     46 * additional marshaling buffers passed down by Linux client.
     47 *
     48 * RDMA header is currently fixed max size, and is big enough for a
     49 * fully-chunked NFS message (read chunks are the largest). Note only
     50 * a single chunk type per message is supported currently.
     51 */
     52#define RPCRDMA_MIN_SLOT_TABLE	(4U)
     53#define RPCRDMA_DEF_SLOT_TABLE	(128U)
     54#define RPCRDMA_MAX_SLOT_TABLE	(16384U)
     55
     56#define RPCRDMA_MIN_INLINE  (1024)	/* min inline thresh */
     57#define RPCRDMA_DEF_INLINE  (4096)	/* default inline thresh */
     58#define RPCRDMA_MAX_INLINE  (65536)	/* max inline thresh */
     59
     60/* Memory registration strategies, by number.
     61 * This is part of a kernel / user space API. Do not remove. */
     62enum rpcrdma_memreg {
     63	RPCRDMA_BOUNCEBUFFERS = 0,
     64	RPCRDMA_REGISTER,
     65	RPCRDMA_MEMWINDOWS,
     66	RPCRDMA_MEMWINDOWS_ASYNC,
     67	RPCRDMA_MTHCAFMR,
     68	RPCRDMA_FRWR,
     69	RPCRDMA_ALLPHYSICAL,
     70	RPCRDMA_LAST
     71};
     72
     73#endif /* _LINUX_SUNRPC_XPRTRDMA_H */