| /* | |
| * 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 */ |