New upstream version 18.05

[deb_dpdk.git] / drivers / bus / dpaa / include / compat.h

diff --git a/drivers/bus/dpaa/include/compat.h b/drivers/bus/dpaa/include/compat.h
index 42733ae..e4b5702 100644 (file)
--- a/drivers/bus/dpaa/include/compat.h
+++ b/drivers/bus/dpaa/include/compat.h
@@ -1,41 +1,8 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- *   BSD LICENSE
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
  *
  * Copyright 2011 Freescale Semiconductor, Inc.
  * All rights reserved.
  *
- * 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 above-listed copyright holders nor the
- * names of any contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- *   GPL LICENSE SUMMARY
- *
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") as published by the Free Software
- * Foundation, either version 2 of that License or (at your option) any
- * later version.
- *
- * 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 HOLDERS 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 __COMPAT_H
@@ -72,6 +39,7 @@
 #include <rte_spinlock.h>
 #include <rte_common.h>
 #include <rte_debug.h>
+#include <rte_cycles.h>
 
 /* The following definitions are primarily to allow the single-source driver
  * interfaces to be included by arbitrary program code. Ie. for interfaces that
@@ -160,13 +128,15 @@ static inline void out_be32(volatile void *__p, u32 val)
        *p = rte_cpu_to_be_32(val);
 }
 
+#define hwsync() rte_rmb()
+#define lwsync() rte_wmb()
+
 #define dcbt_ro(p) __builtin_prefetch(p, 0)
 #define dcbt_rw(p) __builtin_prefetch(p, 1)
 
+#if defined(RTE_ARCH_ARM64)
 #define dcbz(p) { asm volatile("dc zva, %0" : : "r" (p) : "memory"); }
 #define dcbz_64(p) dcbz(p)
-#define hwsync() rte_rmb()
-#define lwsync() rte_wmb()
 #define dcbf(p) { asm volatile("dc cvac, %0" : : "r"(p) : "memory"); }
 #define dcbf_64(p) dcbf(p)
 #define dccivac(p) { asm volatile("dc civac, %0" : : "r"(p) : "memory"); }
@@ -177,9 +147,27 @@ static inline void out_be32(volatile void *__p, u32 val)
                asm volatile("prfm pldl1keep, [%0, #64]" : : "r" (p));  \
        } while (0)
 
+#elif defined(RTE_ARCH_ARM)
+#define dcbz(p) memset((p), 0, 32)
+#define dcbz_64(p) memset((p), 0, 64)
+#define dcbf(p)        RTE_SET_USED(p)
+#define dcbf_64(p) dcbf(p)
+#define dccivac(p)     RTE_SET_USED(p)
+#define dcbit_ro(p)    RTE_SET_USED(p)
+
+#else
+#define dcbz(p)        RTE_SET_USED(p)
+#define dcbz_64(p) dcbz(p)
+#define dcbf(p)        RTE_SET_USED(p)
+#define dcbf_64(p) dcbf(p)
+#define dccivac(p)     RTE_SET_USED(p)
+#define dcbit_ro(p)    RTE_SET_USED(p)
+#endif
+
 #define barrier() { asm volatile ("" : : : "memory"); }
 #define cpu_relax barrier
 
+#if defined(RTE_ARCH_ARM64)
 static inline uint64_t mfatb(void)
 {
        uint64_t ret, ret_new, timeout = 200;
@@ -193,6 +181,11 @@ static inline uint64_t mfatb(void)
        DPAA_BUG_ON(!timeout && (ret != ret_new));
        return ret * 64;
 }
+#else
+
+#define mfatb rte_rdtsc
+
+#endif
 
 /* Spin for a few cycles without bothering the bus */
 static inline void cpu_spin(int cycles)