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66cede5279
Fixes: b3221d6a53 ('xprtrdma: Remove logic that constructs...')
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
/*
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* Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the BSD-type
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* license below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* Neither the name of the Network Appliance, Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_SUNRPC_XPRTRDMA_H
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#define _LINUX_SUNRPC_XPRTRDMA_H
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/*
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* Constants. Max RPC/NFS header is big enough to account for
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* additional marshaling buffers passed down by Linux client.
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*
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* RDMA header is currently fixed max size, and is big enough for a
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* fully-chunked NFS message (read chunks are the largest). Note only
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* a single chunk type per message is supported currently.
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*/
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#define RPCRDMA_MIN_SLOT_TABLE (2U)
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#define RPCRDMA_DEF_SLOT_TABLE (128U)
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#define RPCRDMA_MAX_SLOT_TABLE (256U)
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#define RPCRDMA_DEF_INLINE (1024) /* default inline max */
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/* Memory registration strategies, by number.
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* This is part of a kernel / user space API. Do not remove. */
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enum rpcrdma_memreg {
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RPCRDMA_BOUNCEBUFFERS = 0,
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RPCRDMA_REGISTER,
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RPCRDMA_MEMWINDOWS,
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RPCRDMA_MEMWINDOWS_ASYNC,
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RPCRDMA_MTHCAFMR,
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RPCRDMA_FRMR,
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RPCRDMA_ALLPHYSICAL,
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RPCRDMA_LAST
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};
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#endif /* _LINUX_SUNRPC_XPRTRDMA_H */
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