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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/include/linux/sunrpc/xprtrdma.h
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/include/linux/sunrpc/xprtrdma.h')
-rw-r--r--kernel/include/linux/sunrpc/xprtrdma.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/kernel/include/linux/sunrpc/xprtrdma.h b/kernel/include/linux/sunrpc/xprtrdma.h
new file mode 100644
index 000000000..c984c8598
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+++ b/kernel/include/linux/sunrpc/xprtrdma.h
@@ -0,0 +1,71 @@
+/*
+ * 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
+
+/*
+ * 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 */
+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 */