net/ixgbe/base: update X550 SFP identification

[dpdk.git] / drivers / net / cxgbe / cxgbe_compat.h

diff --git a/drivers/net/cxgbe/cxgbe_compat.h b/drivers/net/cxgbe/cxgbe_compat.h
index e68f8f5..5d47c5f 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_compat.h
+++ b/drivers/net/cxgbe/cxgbe_compat.h
@@ -1,34 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2014-2015 Chelsio Communications.
- *   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 Chelsio Communications 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Chelsio Communications.
+ * All rights reserved.
  */
 
 #ifndef _CXGBE_COMPAT_H_
@@ -45,6 +17,7 @@
 #include <rte_cycles.h>
 #include <rte_spinlock.h>
 #include <rte_log.h>
+#include <rte_io.h>
 
 #define dev_printf(level, fmt, args...) \
        RTE_LOG(level, PMD, "rte_cxgbe_pmd: " fmt, ## args)
@@ -254,7 +227,7 @@ static inline unsigned long ilog2(unsigned long n)
 
 static inline void writel(unsigned int val, volatile void __iomem *addr)
 {
-       *(volatile unsigned int *)addr = val;
+       rte_write32(val, addr);
 }
 
 static inline void writeq(u64 val, volatile void __iomem *addr)
@@ -263,4 +236,21 @@ static inline void writeq(u64 val, volatile void __iomem *addr)
        writel(val >> 32, (void *)((uintptr_t)addr + 4));
 }
 
+static inline void writel_relaxed(unsigned int val, volatile void __iomem *addr)
+{
+       rte_write32_relaxed(val, addr);
+}
+
+/*
+ * Multiplies an integer by a fraction, while avoiding unnecessary
+ * overflow or loss of precision.
+ */
+#define mult_frac(x, numer, denom)(                     \
+{                                                       \
+       typeof(x) quot = (x) / (denom);                 \
+       typeof(x) rem  = (x) % (denom);                 \
+       (quot * (numer)) + ((rem * (numer)) / (denom)); \
+}                                                       \
+)
+
 #endif /* _CXGBE_COMPAT_H_ */