Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / lustre / include / linux / lnet / ptllnd.h

diff --git a/kernel/drivers/staging/lustre/include/linux/lnet/ptllnd.h b/kernel/drivers/staging/lustre/include/linux/lnet/ptllnd.h
new file mode 100644 (file)
index 0000000..c91d653
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+++ b/kernel/drivers/staging/lustre/include/linux/lnet/ptllnd.h
@@ -0,0 +1,93 @@
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/include/lnet/ptllnd.h
+ *
+ * Author: PJ Kirner <pjkirner@clusterfs.com>
+ */
+
+/*
+ * The PTLLND was designed to support Portals with
+ * Lustre and non-lustre UNLINK semantics.
+ * However for now the two targets are Cray Portals
+ * on the XT3 and Lustre Portals (for testing) both
+ * have Lustre UNLINK semantics, so this is defined
+ * by default.
+ */
+#define LUSTRE_PORTALS_UNLINK_SEMANTICS
+
+#ifdef _USING_LUSTRE_PORTALS_
+
+/* NIDs are 64-bits on Lustre Portals */
+#define FMT_NID "%llu"
+#define FMT_PID "%d"
+
+/* When using Lustre Portals Lustre completion semantics are imlicit*/
+#define PTL_MD_LUSTRE_COMPLETION_SEMANTICS      0
+
+#else /* _USING_CRAY_PORTALS_ */
+
+/* NIDs are integers on Cray Portals */
+#define FMT_NID "%u"
+#define FMT_PID "%d"
+
+/* When using Cray Portals this is defined in the Cray Portals Header*/
+/*#define PTL_MD_LUSTRE_COMPLETION_SEMANTICS */
+
+/* Can compare handles directly on Cray Portals */
+#define PtlHandleIsEqual(a, b) ((a) == (b))
+
+/* Different error types on Cray Portals*/
+#define ptl_err_t ptl_ni_fail_t
+
+/*
+ * The Cray Portals has no maximum number of IOVs.  The
+ * maximum is limited only by memory and size of the
+ * int parameters (2^31-1).
+ * Lustre only really require that the underyling
+ * implementation to support at least LNET_MAX_IOV,
+ * so for Cray portals we can safely just use that
+ * value here.
+ *
+ */
+#define PTL_MD_MAX_IOV   LNET_MAX_IOV
+
+#endif
+
+#define FMT_PTLID "ptlid:"FMT_PID"-"FMT_NID
+
+/* Align incoming small request messages to an 8 byte boundary if this is
+ * supported to avoid alignment issues on some architectures */
+#ifndef PTL_MD_LOCAL_ALIGN8
+# define PTL_MD_LOCAL_ALIGN8 0
+#endif