net/virtio-user: fix crash in server mode

[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 3b871ee..779bcf1 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)
@@ -119,8 +92,8 @@
 #define L1_CACHE_BYTES  BIT(L1_CACHE_SHIFT)
 
 #define PAGE_SHIFT  12
-#define ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
-#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
+#define CXGBE_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
+#define PTR_ALIGN(p, a) ((typeof(p))CXGBE_ALIGN((unsigned long)(p), (a)))
 
 #define VLAN_HLEN 4
 
@@ -178,7 +151,7 @@ typedef uint64_t  dma_addr_t;
 /*
  * round up val _p to a power of 2 size _s
  */
-#define roundup(_p, _s) (((unsigned long)(_p) + (_s - 1)) & ~(_s - 1))
+#define cxgbe_roundup(_p, _s) (((unsigned long)(_p) + (_s - 1)) & ~(_s - 1))
 
 #undef container_of
 #define container_of(ptr, type, member) ({ \
@@ -214,17 +187,26 @@ static inline uint8_t hweight32(uint32_t word32)
 } /* weight32 */
 
 /**
- * fls - find last (most-significant) bit set
+ * cxgbe_fls - find last (most-significant) bit set
  * @x: the word to search
  *
  * This is defined the same way as ffs.
- * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
+ * Note cxgbe_fls(0) = 0, cxgbe_fls(1) = 1, cxgbe_fls(0x80000000) = 32.
  */
-static inline int fls(int x)
+static inline int cxgbe_fls(int x)
 {
        return x ? sizeof(x) * 8 - __builtin_clz(x) : 0;
 }
 
+/**
+ * cxgbe_ffs - find first bit set
+ * @x: the word to search
+ */
+static inline int cxgbe_ffs(int x)
+{
+       return x ? __builtin_ffs(x) : 0;
+}
+
 static inline unsigned long ilog2(unsigned long n)
 {
        unsigned int e = 0;
@@ -254,7 +236,7 @@ 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 +245,9 @@ 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);
+}
+
 #endif /* _CXGBE_COMPAT_H_ */