eal: simplify meson build of common directory

[dpdk.git] / lib / librte_eal / common / include / generic / rte_io.h

diff --git a/lib/librte_eal/common/include/generic/rte_io.h b/lib/librte_eal/common/include/generic/rte_io.h
index edfebf8..da457f7 100644 (file)
--- a/lib/librte_eal/common/include/generic/rte_io.h
+++ b/lib/librte_eal/common/include/generic/rte_io.h
@@ -1,34 +1,5 @@
-/*
- *   BSD LICENSE
- *
- *   Copyright(c) 2016 Cavium networks. All rights reserved.
- *   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 Cavium networks 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) 2016 Cavium, Inc
  */
 
 #ifndef _RTE_IO_H_
@@ -260,4 +231,120 @@ rte_write64(uint64_t value, volatile void *addr);
 
 #endif /* __DOXYGEN__ */
 
+#ifndef RTE_OVERRIDE_IO_H
+
+static __rte_always_inline uint8_t
+rte_read8_relaxed(const volatile void *addr)
+{
+       return *(const volatile uint8_t *)addr;
+}
+
+static __rte_always_inline uint16_t
+rte_read16_relaxed(const volatile void *addr)
+{
+       return *(const volatile uint16_t *)addr;
+}
+
+static __rte_always_inline uint32_t
+rte_read32_relaxed(const volatile void *addr)
+{
+       return *(const volatile uint32_t *)addr;
+}
+
+static __rte_always_inline uint64_t
+rte_read64_relaxed(const volatile void *addr)
+{
+       return *(const volatile uint64_t *)addr;
+}
+
+static __rte_always_inline void
+rte_write8_relaxed(uint8_t value, volatile void *addr)
+{
+       *(volatile uint8_t *)addr = value;
+}
+
+static __rte_always_inline void
+rte_write16_relaxed(uint16_t value, volatile void *addr)
+{
+       *(volatile uint16_t *)addr = value;
+}
+
+static __rte_always_inline void
+rte_write32_relaxed(uint32_t value, volatile void *addr)
+{
+       *(volatile uint32_t *)addr = value;
+}
+
+static __rte_always_inline void
+rte_write64_relaxed(uint64_t value, volatile void *addr)
+{
+       *(volatile uint64_t *)addr = value;
+}
+
+static __rte_always_inline uint8_t
+rte_read8(const volatile void *addr)
+{
+       uint8_t val;
+       val = rte_read8_relaxed(addr);
+       rte_io_rmb();
+       return val;
+}
+
+static __rte_always_inline uint16_t
+rte_read16(const volatile void *addr)
+{
+       uint16_t val;
+       val = rte_read16_relaxed(addr);
+       rte_io_rmb();
+       return val;
+}
+
+static __rte_always_inline uint32_t
+rte_read32(const volatile void *addr)
+{
+       uint32_t val;
+       val = rte_read32_relaxed(addr);
+       rte_io_rmb();
+       return val;
+}
+
+static __rte_always_inline uint64_t
+rte_read64(const volatile void *addr)
+{
+       uint64_t val;
+       val = rte_read64_relaxed(addr);
+       rte_io_rmb();
+       return val;
+}
+
+static __rte_always_inline void
+rte_write8(uint8_t value, volatile void *addr)
+{
+       rte_io_wmb();
+       rte_write8_relaxed(value, addr);
+}
+
+static __rte_always_inline void
+rte_write16(uint16_t value, volatile void *addr)
+{
+       rte_io_wmb();
+       rte_write16_relaxed(value, addr);
+}
+
+static __rte_always_inline void
+rte_write32(uint32_t value, volatile void *addr)
+{
+       rte_io_wmb();
+       rte_write32_relaxed(value, addr);
+}
+
+static __rte_always_inline void
+rte_write64(uint64_t value, volatile void *addr)
+{
+       rte_io_wmb();
+       rte_write64_relaxed(value, addr);
+}
+
+#endif /* RTE_OVERRIDE_IO_H */
+
 #endif /* _RTE_IO_H_ */