[openib-general] [PATCH 17/17] ehca: PPC64 assembler helper routines

[Heiko J Schick]

Adds ppc assembler helper routines.

Signed-off-by: Heiko J Schick <schickhj at de.ibm.com>


  ehca_asm.h |   59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  1 files changed, 59 insertions(+)


--- linux-2.6.16-rc4-orig/drivers/infiniband/hw/ehca/ehca_asm.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.16-rc4/drivers/infiniband/hw/ehca/ehca_asm.h	2006-02-28 11:04:58.000000000 +0100
@@ -0,0 +1,59 @@
+/*
+ *  IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ *  Some helper macros with assembler instructions
+ *
+ *  Authors: Hoang-Nam Nguyen <hnguyen at de.ibm.com>
+ *           Khadija Souissi <souissik at de.ibm.com>
+ *           Christoph Raisch <raisch at de.ibm.com>
+ *
+ *  Copyright (c) 2005 IBM Corporation
+ *
+ *  All rights reserved.
+ *
+ *  This source code is distributed under a dual license of GPL v2.0 and OpenIB
+ *  BSD.
+ *
+ * OpenIB BSD License
+ *
+ * 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.
+ *
+ * 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.
+ *
+ *  $Id: ehca_asm.h,v 1.3 2006/02/28 10:04:58 nguyen Exp $
+ */
+
+
+#ifndef __EHCA_ASM_H__
+#define __EHCA_ASM_H__
+
+#if defined(CONFIG_PPC_PSERIES) || defined (__PPC64__) || defined (__PPC__)
+
+#define clear_cacheline(adr) __asm__ __volatile("dcbz 0,%0"::"r"(adr))
+
+#elif defined(CONFIG_ARCH_S390)
+#error "unsupported yet"
+#else
+#error "invalid platform"
+#endif
+
+#endif /* __EHCA_ASM_H__ */