[dpdk-dev] [PATCH v3 01/10] eal: move rte_atomic.h header

[David Marchand <david.marchand@6wind.com>]

This breaks compilation but is a preliminary step for headers rework.

Signed-off-by: David Marchand <david.marchand@6wind.com>
---
 lib/librte_eal/common/Makefile                     |    4 +-
 .../common/include/arch/i686/rte_atomic.h          |  373 ++++++++++++++++++++
 .../common/include/arch/x86_64/rte_atomic.h        |  335 ++++++++++++++++++
 .../common/include/i686/arch/rte_atomic.h          |  373 --------------------
 .../common/include/x86_64/arch/rte_atomic.h        |  335 ------------------
 5 files changed, 710 insertions(+), 710 deletions(-)
 create mode 100644 lib/librte_eal/common/include/arch/i686/rte_atomic.h
 create mode 100644 lib/librte_eal/common/include/arch/x86_64/rte_atomic.h
 delete mode 100644 lib/librte_eal/common/include/i686/arch/rte_atomic.h
 delete mode 100644 lib/librte_eal/common/include/x86_64/arch/rte_atomic.h

diff --git a/lib/librte_eal/common/Makefile b/lib/librte_eal/common/Makefile
index 7f27966..6603c61 100644
--- a/lib/librte_eal/common/Makefile
+++ b/lib/librte_eal/common/Makefile
@@ -49,8 +49,8 @@ endif
 ARCH_INC := rte_atomic.h
 
 SYMLINK-$(CONFIG_RTE_LIBRTE_EAL)-include := $(addprefix include/,$(INC))
-SYMLINK-$(CONFIG_RTE_LIBRTE_EAL)-include/arch := \
-	$(addprefix include/$(RTE_ARCH)/arch/,$(ARCH_INC))
+SYMLINK-$(CONFIG_RTE_LIBRTE_EAL)-include += \
+	$(addprefix include/arch/$(RTE_ARCH)/,$(ARCH_INC))
 
 # add libc if configured
 DEPDIRS-$(CONFIG_RTE_LIBC) += lib/libc
diff --git a/lib/librte_eal/common/include/arch/i686/rte_atomic.h b/lib/librte_eal/common/include/arch/i686/rte_atomic.h
new file mode 100644
index 0000000..6956b87
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/i686/rte_atomic.h
@@ -0,0 +1,373 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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.
+ */
+
+/*
+ * Inspired from FreeBSD src/sys/i386/include/atomic.h
+ * Copyright (c) 1998 Doug Rabson
+ * All rights reserved.
+ */
+
+#ifndef _RTE_ATOMIC_H_
+#error "don't include this file directly, please include generic <rte_atomic.h>"
+#endif
+
+#ifndef _RTE_I686_ATOMIC_H_
+#define _RTE_I686_ATOMIC_H_
+
+
+/**
+ * @file
+ * Atomic Operations on i686
+ */
+
+
+/*------------------------- 64 bit atomic operations -------------------------*/
+
+/**
+ * An atomic compare and set function used by the mutex functions.
+ * (atomic) equivalent to:
+ *   if (*dst == exp)
+ *     *dst = src (all 64-bit words)
+ *
+ * @param dst
+ *   The destination into which the value will be written.
+ * @param exp
+ *   The expected value.
+ * @param src
+ *   The new value.
+ * @return
+ *   Non-zero on success; 0 on failure.
+ */
+static inline int
+rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src)
+{
+	uint8_t res;
+	union {
+		struct {
+			uint32_t l32;
+			uint32_t h32;
+		};
+		uint64_t u64;
+	} _exp, _src;
+
+	_exp.u64 = exp;
+	_src.u64 = src;
+
+#ifndef __PIC__
+    asm volatile (
+            MPLOCKED
+            "cmpxchg8b (%[dst]);"
+            "setz %[res];"
+            : [res] "=a" (res)      /* result in eax */
+            : [dst] "S" (dst),      /* esi */
+             "b" (_src.l32),       /* ebx */
+             "c" (_src.h32),       /* ecx */
+             "a" (_exp.l32),       /* eax */
+             "d" (_exp.h32)        /* edx */
+			: "memory" );           /* no-clobber list */
+#else
+	asm volatile (
+            "mov %%ebx, %%edi\n"
+			MPLOCKED
+			"cmpxchg8b (%[dst]);"
+			"setz %[res];"
+            "xchgl %%ebx, %%edi;\n"
+			: [res] "=a" (res)      /* result in eax */
+			: [dst] "S" (dst),      /* esi */
+			  "D" (_src.l32),       /* ebx */
+			  "c" (_src.h32),       /* ecx */
+			  "a" (_exp.l32),       /* eax */
+			  "d" (_exp.h32)        /* edx */
+			: "memory" );           /* no-clobber list */
+#endif
+
+	return res;
+}
+
+/**
+ * The atomic counter structure.
+ */
+typedef struct {
+	volatile int64_t cnt;  /**< Internal counter value. */
+} rte_atomic64_t;
+
+/**
+ * Static initializer for an atomic counter.
+ */
+#define RTE_ATOMIC64_INIT(val) { (val) }
+
+/**
+ * Initialize the atomic counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void
+rte_atomic64_init(rte_atomic64_t *v)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, 0);
+	}
+}
+
+/**
+ * Atomically read a 64-bit counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   The value of the counter.
+ */
+static inline int64_t
+rte_atomic64_read(rte_atomic64_t *v)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		/* replace the value by itself */
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, tmp);
+	}
+	return tmp;
+}
+
+/**
+ * Atomically set a 64-bit counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param new_value
+ *   The new value of the counter.
+ */
+static inline void
+rte_atomic64_set(rte_atomic64_t *v, int64_t new_value)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, new_value);
+	}
+}
+
+/**
+ * Atomically add a 64-bit value to a counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param inc
+ *   The value to be added to the counter.
+ */
+static inline void
+rte_atomic64_add(rte_atomic64_t *v, int64_t inc)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, tmp + inc);
+	}
+}
+
+/**
+ * Atomically subtract a 64-bit value from a counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param dec
+ *   The value to be subtracted from the counter.
+ */
+static inline void
+rte_atomic64_sub(rte_atomic64_t *v, int64_t dec)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, tmp - dec);
+	}
+}
+
+/**
+ * Atomically increment a 64-bit counter by one and test.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void
+rte_atomic64_inc(rte_atomic64_t *v)
+{
+	rte_atomic64_add(v, 1);
+}
+
+/**
+ * Atomically decrement a 64-bit counter by one and test.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void
+rte_atomic64_dec(rte_atomic64_t *v)
+{
+	rte_atomic64_sub(v, 1);
+}
+
+/**
+ * Add a 64-bit value to an atomic counter and return the result.
+ *
+ * Atomically adds the 64-bit value (inc) to the atomic counter (v) and
+ * returns the value of v after the addition.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param inc
+ *   The value to be added to the counter.
+ * @return
+ *   The value of v after the addition.
+ */
+static inline int64_t
+rte_atomic64_add_return(rte_atomic64_t *v, int64_t inc)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, tmp + inc);
+	}
+
+	return tmp + inc;
+}
+
+/**
+ * Subtract a 64-bit value from an atomic counter and return the result.
+ *
+ * Atomically subtracts the 64-bit value (dec) from the atomic counter (v)
+ * and returns the value of v after the subtraction.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param dec
+ *   The value to be subtracted from the counter.
+ * @return
+ *   The value of v after the subtraction.
+ */
+static inline int64_t
+rte_atomic64_sub_return(rte_atomic64_t *v, int64_t dec)
+{
+	int success = 0;
+	uint64_t tmp;
+
+	while (success == 0) {
+		tmp = v->cnt;
+		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
+		                              tmp, tmp - dec);
+	}
+
+	return tmp - dec;
+}
+
+/**
+ * Atomically increment a 64-bit counter by one and test.
+ *
+ * Atomically increments the atomic counter (v) by one and returns
+ * true if the result is 0, or false in all other cases.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   True if the result after the addition is 0; false otherwise.
+ */
+static inline int rte_atomic64_inc_and_test(rte_atomic64_t *v)
+{
+	return rte_atomic64_add_return(v, 1) == 0;
+}
+
+/**
+ * Atomically decrement a 64-bit counter by one and test.
+ *
+ * Atomically decrements the atomic counter (v) by one and returns true if
+ * the result is 0, or false in all other cases.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   True if the result after subtraction is 0; false otherwise.
+ */
+static inline int rte_atomic64_dec_and_test(rte_atomic64_t *v)
+{
+	return rte_atomic64_sub_return(v, 1) == 0;
+}
+
+/**
+ * Atomically test and set a 64-bit atomic counter.
+ *
+ * If the counter value is already set, return 0 (failed). Otherwise, set
+ * the counter value to 1 and return 1 (success).
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   0 if failed; else 1, success.
+ */
+static inline int rte_atomic64_test_and_set(rte_atomic64_t *v)
+{
+	return rte_atomic64_cmpset((volatile uint64_t *)&v->cnt, 0, 1);
+}
+
+/**
+ * Atomically set a 64-bit counter to 0.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void rte_atomic64_clear(rte_atomic64_t *v)
+{
+	rte_atomic64_set(v, 0);
+}
+
+#endif /* _RTE_I686_ATOMIC_H_ */
diff --git a/lib/librte_eal/common/include/arch/x86_64/rte_atomic.h b/lib/librte_eal/common/include/arch/x86_64/rte_atomic.h
new file mode 100644
index 0000000..3ba7d3a
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/x86_64/rte_atomic.h
@@ -0,0 +1,335 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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.
+ */
+
+/*
+ * Inspired from FreeBSD src/sys/amd64/include/atomic.h
+ * Copyright (c) 1998 Doug Rabson
+ * All rights reserved.
+ */
+
+#ifndef _RTE_ATOMIC_H_
+#error "don't include this file directly, please include generic <rte_atomic.h>"
+#endif
+
+#ifndef _RTE_X86_64_ATOMIC_H_
+#define _RTE_X86_64_ATOMIC_H_
+
+
+/*------------------------- 64 bit atomic operations -------------------------*/
+
+/**
+ * An atomic compare and set function used by the mutex functions.
+ * (atomic) equivalent to:
+ *   if (*dst == exp)
+ *     *dst = src (all 64-bit words)
+ *
+ * @param dst
+ *   The destination into which the value will be written.
+ * @param exp
+ *   The expected value.
+ * @param src
+ *   The new value.
+ * @return
+ *   Non-zero on success; 0 on failure.
+ */
+static inline int
+rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src)
+{
+	uint8_t res;
+
+	asm volatile(
+			MPLOCKED
+			"cmpxchgq %[src], %[dst];"
+			"sete %[res];"
+			: [res] "=a" (res),     /* output */
+			  [dst] "=m" (*dst)
+			: [src] "r" (src),      /* input */
+			  "a" (exp),
+			  "m" (*dst)
+			: "memory");            /* no-clobber list */
+
+	return res;
+}
+
+/**
+ * The atomic counter structure.
+ */
+typedef struct {
+	volatile int64_t cnt;  /**< Internal counter value. */
+} rte_atomic64_t;
+
+/**
+ * Static initializer for an atomic counter.
+ */
+#define RTE_ATOMIC64_INIT(val) { (val) }
+
+/**
+ * Initialize the atomic counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void
+rte_atomic64_init(rte_atomic64_t *v)
+{
+	v->cnt = 0;
+}
+
+/**
+ * Atomically read a 64-bit counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   The value of the counter.
+ */
+static inline int64_t
+rte_atomic64_read(rte_atomic64_t *v)
+{
+	return v->cnt;
+}
+
+/**
+ * Atomically set a 64-bit counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param new_value
+ *   The new value of the counter.
+ */
+static inline void
+rte_atomic64_set(rte_atomic64_t *v, int64_t new_value)
+{
+	v->cnt = new_value;
+}
+
+/**
+ * Atomically add a 64-bit value to a counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param inc
+ *   The value to be added to the counter.
+ */
+static inline void
+rte_atomic64_add(rte_atomic64_t *v, int64_t inc)
+{
+	asm volatile(
+			MPLOCKED
+			"addq %[inc], %[cnt]"
+			: [cnt] "=m" (v->cnt)   /* output */
+			: [inc] "ir" (inc),     /* input */
+			  "m" (v->cnt)
+			);
+}
+
+/**
+ * Atomically subtract a 64-bit value from a counter.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param dec
+ *   The value to be subtracted from the counter.
+ */
+static inline void
+rte_atomic64_sub(rte_atomic64_t *v, int64_t dec)
+{
+	asm volatile(
+			MPLOCKED
+			"subq %[dec], %[cnt]"
+			: [cnt] "=m" (v->cnt)   /* output */
+			: [dec] "ir" (dec),     /* input */
+			  "m" (v->cnt)
+			);
+}
+
+/**
+ * Atomically increment a 64-bit counter by one and test.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void
+rte_atomic64_inc(rte_atomic64_t *v)
+{
+	asm volatile(
+			MPLOCKED
+			"incq %[cnt]"
+			: [cnt] "=m" (v->cnt)   /* output */
+			: "m" (v->cnt)          /* input */
+			);
+}
+
+/**
+ * Atomically decrement a 64-bit counter by one and test.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void
+rte_atomic64_dec(rte_atomic64_t *v)
+{
+	asm volatile(
+			MPLOCKED
+			"decq %[cnt]"
+			: [cnt] "=m" (v->cnt)   /* output */
+			: "m" (v->cnt)          /* input */
+			);
+}
+
+/**
+ * Add a 64-bit value to an atomic counter and return the result.
+ *
+ * Atomically adds the 64-bit value (inc) to the atomic counter (v) and
+ * returns the value of v after the addition.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param inc
+ *   The value to be added to the counter.
+ * @return
+ *   The value of v after the addition.
+ */
+static inline int64_t
+rte_atomic64_add_return(rte_atomic64_t *v, int64_t inc)
+{
+	int64_t prev = inc;
+
+	asm volatile(
+			MPLOCKED
+			"xaddq %[prev], %[cnt]"
+			: [prev] "+r" (prev),   /* output */
+			  [cnt] "=m" (v->cnt)
+			: "m" (v->cnt)          /* input */
+			);
+	return prev + inc;
+}
+
+/**
+ * Subtract a 64-bit value from an atomic counter and return the result.
+ *
+ * Atomically subtracts the 64-bit value (dec) from the atomic counter (v)
+ * and returns the value of v after the subtraction.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @param dec
+ *   The value to be subtracted from the counter.
+ * @return
+ *   The value of v after the subtraction.
+ */
+static inline int64_t
+rte_atomic64_sub_return(rte_atomic64_t *v, int64_t dec)
+{
+	return rte_atomic64_add_return(v, -dec);
+}
+
+/**
+ * Atomically increment a 64-bit counter by one and test.
+ *
+ * Atomically increments the atomic counter (v) by one and returns
+ * true if the result is 0, or false in all other cases.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   True if the result after the addition is 0; false otherwise.
+ */
+static inline int rte_atomic64_inc_and_test(rte_atomic64_t *v)
+{
+	uint8_t ret;
+
+	asm volatile(
+			MPLOCKED
+			"incq %[cnt] ; "
+			"sete %[ret]"
+			: [cnt] "+m" (v->cnt), /* output */
+			  [ret] "=qm" (ret)
+			);
+
+	return ret != 0;
+}
+
+/**
+ * Atomically decrement a 64-bit counter by one and test.
+ *
+ * Atomically decrements the atomic counter (v) by one and returns true if
+ * the result is 0, or false in all other cases.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   True if the result after subtraction is 0; false otherwise.
+ */
+static inline int rte_atomic64_dec_and_test(rte_atomic64_t *v)
+{
+	uint8_t ret;
+
+	asm volatile(
+			MPLOCKED
+			"decq %[cnt] ; "
+			"sete %[ret]"
+			: [cnt] "+m" (v->cnt),  /* output */
+			  [ret] "=qm" (ret)
+			);
+	return ret != 0;
+}
+
+/**
+ * Atomically test and set a 64-bit atomic counter.
+ *
+ * If the counter value is already set, return 0 (failed). Otherwise, set
+ * the counter value to 1 and return 1 (success).
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ * @return
+ *   0 if failed; else 1, success.
+ */
+static inline int rte_atomic64_test_and_set(rte_atomic64_t *v)
+{
+	return rte_atomic64_cmpset((volatile uint64_t *)&v->cnt, 0, 1);
+}
+
+/**
+ * Atomically set a 64-bit counter to 0.
+ *
+ * @param v
+ *   A pointer to the atomic counter.
+ */
+static inline void rte_atomic64_clear(rte_atomic64_t *v)
+{
+	v->cnt = 0;
+}
+
+#endif /* _RTE_X86_64_ATOMIC_H_ */
diff --git a/lib/librte_eal/common/include/i686/arch/rte_atomic.h b/lib/librte_eal/common/include/i686/arch/rte_atomic.h
deleted file mode 100644
index 6956b87..0000000
--- a/lib/librte_eal/common/include/i686/arch/rte_atomic.h
+++ /dev/null
@@ -1,373 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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.
- */
-
-/*
- * Inspired from FreeBSD src/sys/i386/include/atomic.h
- * Copyright (c) 1998 Doug Rabson
- * All rights reserved.
- */
-
-#ifndef _RTE_ATOMIC_H_
-#error "don't include this file directly, please include generic <rte_atomic.h>"
-#endif
-
-#ifndef _RTE_I686_ATOMIC_H_
-#define _RTE_I686_ATOMIC_H_
-
-
-/**
- * @file
- * Atomic Operations on i686
- */
-
-
-/*------------------------- 64 bit atomic operations -------------------------*/
-
-/**
- * An atomic compare and set function used by the mutex functions.
- * (atomic) equivalent to:
- *   if (*dst == exp)
- *     *dst = src (all 64-bit words)
- *
- * @param dst
- *   The destination into which the value will be written.
- * @param exp
- *   The expected value.
- * @param src
- *   The new value.
- * @return
- *   Non-zero on success; 0 on failure.
- */
-static inline int
-rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src)
-{
-	uint8_t res;
-	union {
-		struct {
-			uint32_t l32;
-			uint32_t h32;
-		};
-		uint64_t u64;
-	} _exp, _src;
-
-	_exp.u64 = exp;
-	_src.u64 = src;
-
-#ifndef __PIC__
-    asm volatile (
-            MPLOCKED
-            "cmpxchg8b (%[dst]);"
-            "setz %[res];"
-            : [res] "=a" (res)      /* result in eax */
-            : [dst] "S" (dst),      /* esi */
-             "b" (_src.l32),       /* ebx */
-             "c" (_src.h32),       /* ecx */
-             "a" (_exp.l32),       /* eax */
-             "d" (_exp.h32)        /* edx */
-			: "memory" );           /* no-clobber list */
-#else
-	asm volatile (
-            "mov %%ebx, %%edi\n"
-			MPLOCKED
-			"cmpxchg8b (%[dst]);"
-			"setz %[res];"
-            "xchgl %%ebx, %%edi;\n"
-			: [res] "=a" (res)      /* result in eax */
-			: [dst] "S" (dst),      /* esi */
-			  "D" (_src.l32),       /* ebx */
-			  "c" (_src.h32),       /* ecx */
-			  "a" (_exp.l32),       /* eax */
-			  "d" (_exp.h32)        /* edx */
-			: "memory" );           /* no-clobber list */
-#endif
-
-	return res;
-}
-
-/**
- * The atomic counter structure.
- */
-typedef struct {
-	volatile int64_t cnt;  /**< Internal counter value. */
-} rte_atomic64_t;
-
-/**
- * Static initializer for an atomic counter.
- */
-#define RTE_ATOMIC64_INIT(val) { (val) }
-
-/**
- * Initialize the atomic counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void
-rte_atomic64_init(rte_atomic64_t *v)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, 0);
-	}
-}
-
-/**
- * Atomically read a 64-bit counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   The value of the counter.
- */
-static inline int64_t
-rte_atomic64_read(rte_atomic64_t *v)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		/* replace the value by itself */
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, tmp);
-	}
-	return tmp;
-}
-
-/**
- * Atomically set a 64-bit counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param new_value
- *   The new value of the counter.
- */
-static inline void
-rte_atomic64_set(rte_atomic64_t *v, int64_t new_value)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, new_value);
-	}
-}
-
-/**
- * Atomically add a 64-bit value to a counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param inc
- *   The value to be added to the counter.
- */
-static inline void
-rte_atomic64_add(rte_atomic64_t *v, int64_t inc)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, tmp + inc);
-	}
-}
-
-/**
- * Atomically subtract a 64-bit value from a counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param dec
- *   The value to be subtracted from the counter.
- */
-static inline void
-rte_atomic64_sub(rte_atomic64_t *v, int64_t dec)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, tmp - dec);
-	}
-}
-
-/**
- * Atomically increment a 64-bit counter by one and test.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void
-rte_atomic64_inc(rte_atomic64_t *v)
-{
-	rte_atomic64_add(v, 1);
-}
-
-/**
- * Atomically decrement a 64-bit counter by one and test.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void
-rte_atomic64_dec(rte_atomic64_t *v)
-{
-	rte_atomic64_sub(v, 1);
-}
-
-/**
- * Add a 64-bit value to an atomic counter and return the result.
- *
- * Atomically adds the 64-bit value (inc) to the atomic counter (v) and
- * returns the value of v after the addition.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param inc
- *   The value to be added to the counter.
- * @return
- *   The value of v after the addition.
- */
-static inline int64_t
-rte_atomic64_add_return(rte_atomic64_t *v, int64_t inc)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, tmp + inc);
-	}
-
-	return tmp + inc;
-}
-
-/**
- * Subtract a 64-bit value from an atomic counter and return the result.
- *
- * Atomically subtracts the 64-bit value (dec) from the atomic counter (v)
- * and returns the value of v after the subtraction.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param dec
- *   The value to be subtracted from the counter.
- * @return
- *   The value of v after the subtraction.
- */
-static inline int64_t
-rte_atomic64_sub_return(rte_atomic64_t *v, int64_t dec)
-{
-	int success = 0;
-	uint64_t tmp;
-
-	while (success == 0) {
-		tmp = v->cnt;
-		success = rte_atomic64_cmpset((volatile uint64_t *)&v->cnt,
-		                              tmp, tmp - dec);
-	}
-
-	return tmp - dec;
-}
-
-/**
- * Atomically increment a 64-bit counter by one and test.
- *
- * Atomically increments the atomic counter (v) by one and returns
- * true if the result is 0, or false in all other cases.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   True if the result after the addition is 0; false otherwise.
- */
-static inline int rte_atomic64_inc_and_test(rte_atomic64_t *v)
-{
-	return rte_atomic64_add_return(v, 1) == 0;
-}
-
-/**
- * Atomically decrement a 64-bit counter by one and test.
- *
- * Atomically decrements the atomic counter (v) by one and returns true if
- * the result is 0, or false in all other cases.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   True if the result after subtraction is 0; false otherwise.
- */
-static inline int rte_atomic64_dec_and_test(rte_atomic64_t *v)
-{
-	return rte_atomic64_sub_return(v, 1) == 0;
-}
-
-/**
- * Atomically test and set a 64-bit atomic counter.
- *
- * If the counter value is already set, return 0 (failed). Otherwise, set
- * the counter value to 1 and return 1 (success).
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   0 if failed; else 1, success.
- */
-static inline int rte_atomic64_test_and_set(rte_atomic64_t *v)
-{
-	return rte_atomic64_cmpset((volatile uint64_t *)&v->cnt, 0, 1);
-}
-
-/**
- * Atomically set a 64-bit counter to 0.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void rte_atomic64_clear(rte_atomic64_t *v)
-{
-	rte_atomic64_set(v, 0);
-}
-
-#endif /* _RTE_I686_ATOMIC_H_ */
diff --git a/lib/librte_eal/common/include/x86_64/arch/rte_atomic.h b/lib/librte_eal/common/include/x86_64/arch/rte_atomic.h
deleted file mode 100644
index 3ba7d3a..0000000
--- a/lib/librte_eal/common/include/x86_64/arch/rte_atomic.h
+++ /dev/null
@@ -1,335 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. 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 Intel Corporation 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.
- */
-
-/*
- * Inspired from FreeBSD src/sys/amd64/include/atomic.h
- * Copyright (c) 1998 Doug Rabson
- * All rights reserved.
- */
-
-#ifndef _RTE_ATOMIC_H_
-#error "don't include this file directly, please include generic <rte_atomic.h>"
-#endif
-
-#ifndef _RTE_X86_64_ATOMIC_H_
-#define _RTE_X86_64_ATOMIC_H_
-
-
-/*------------------------- 64 bit atomic operations -------------------------*/
-
-/**
- * An atomic compare and set function used by the mutex functions.
- * (atomic) equivalent to:
- *   if (*dst == exp)
- *     *dst = src (all 64-bit words)
- *
- * @param dst
- *   The destination into which the value will be written.
- * @param exp
- *   The expected value.
- * @param src
- *   The new value.
- * @return
- *   Non-zero on success; 0 on failure.
- */
-static inline int
-rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src)
-{
-	uint8_t res;
-
-	asm volatile(
-			MPLOCKED
-			"cmpxchgq %[src], %[dst];"
-			"sete %[res];"
-			: [res] "=a" (res),     /* output */
-			  [dst] "=m" (*dst)
-			: [src] "r" (src),      /* input */
-			  "a" (exp),
-			  "m" (*dst)
-			: "memory");            /* no-clobber list */
-
-	return res;
-}
-
-/**
- * The atomic counter structure.
- */
-typedef struct {
-	volatile int64_t cnt;  /**< Internal counter value. */
-} rte_atomic64_t;
-
-/**
- * Static initializer for an atomic counter.
- */
-#define RTE_ATOMIC64_INIT(val) { (val) }
-
-/**
- * Initialize the atomic counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void
-rte_atomic64_init(rte_atomic64_t *v)
-{
-	v->cnt = 0;
-}
-
-/**
- * Atomically read a 64-bit counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   The value of the counter.
- */
-static inline int64_t
-rte_atomic64_read(rte_atomic64_t *v)
-{
-	return v->cnt;
-}
-
-/**
- * Atomically set a 64-bit counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param new_value
- *   The new value of the counter.
- */
-static inline void
-rte_atomic64_set(rte_atomic64_t *v, int64_t new_value)
-{
-	v->cnt = new_value;
-}
-
-/**
- * Atomically add a 64-bit value to a counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param inc
- *   The value to be added to the counter.
- */
-static inline void
-rte_atomic64_add(rte_atomic64_t *v, int64_t inc)
-{
-	asm volatile(
-			MPLOCKED
-			"addq %[inc], %[cnt]"
-			: [cnt] "=m" (v->cnt)   /* output */
-			: [inc] "ir" (inc),     /* input */
-			  "m" (v->cnt)
-			);
-}
-
-/**
- * Atomically subtract a 64-bit value from a counter.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param dec
- *   The value to be subtracted from the counter.
- */
-static inline void
-rte_atomic64_sub(rte_atomic64_t *v, int64_t dec)
-{
-	asm volatile(
-			MPLOCKED
-			"subq %[dec], %[cnt]"
-			: [cnt] "=m" (v->cnt)   /* output */
-			: [dec] "ir" (dec),     /* input */
-			  "m" (v->cnt)
-			);
-}
-
-/**
- * Atomically increment a 64-bit counter by one and test.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void
-rte_atomic64_inc(rte_atomic64_t *v)
-{
-	asm volatile(
-			MPLOCKED
-			"incq %[cnt]"
-			: [cnt] "=m" (v->cnt)   /* output */
-			: "m" (v->cnt)          /* input */
-			);
-}
-
-/**
- * Atomically decrement a 64-bit counter by one and test.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void
-rte_atomic64_dec(rte_atomic64_t *v)
-{
-	asm volatile(
-			MPLOCKED
-			"decq %[cnt]"
-			: [cnt] "=m" (v->cnt)   /* output */
-			: "m" (v->cnt)          /* input */
-			);
-}
-
-/**
- * Add a 64-bit value to an atomic counter and return the result.
- *
- * Atomically adds the 64-bit value (inc) to the atomic counter (v) and
- * returns the value of v after the addition.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param inc
- *   The value to be added to the counter.
- * @return
- *   The value of v after the addition.
- */
-static inline int64_t
-rte_atomic64_add_return(rte_atomic64_t *v, int64_t inc)
-{
-	int64_t prev = inc;
-
-	asm volatile(
-			MPLOCKED
-			"xaddq %[prev], %[cnt]"
-			: [prev] "+r" (prev),   /* output */
-			  [cnt] "=m" (v->cnt)
-			: "m" (v->cnt)          /* input */
-			);
-	return prev + inc;
-}
-
-/**
- * Subtract a 64-bit value from an atomic counter and return the result.
- *
- * Atomically subtracts the 64-bit value (dec) from the atomic counter (v)
- * and returns the value of v after the subtraction.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @param dec
- *   The value to be subtracted from the counter.
- * @return
- *   The value of v after the subtraction.
- */
-static inline int64_t
-rte_atomic64_sub_return(rte_atomic64_t *v, int64_t dec)
-{
-	return rte_atomic64_add_return(v, -dec);
-}
-
-/**
- * Atomically increment a 64-bit counter by one and test.
- *
- * Atomically increments the atomic counter (v) by one and returns
- * true if the result is 0, or false in all other cases.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   True if the result after the addition is 0; false otherwise.
- */
-static inline int rte_atomic64_inc_and_test(rte_atomic64_t *v)
-{
-	uint8_t ret;
-
-	asm volatile(
-			MPLOCKED
-			"incq %[cnt] ; "
-			"sete %[ret]"
-			: [cnt] "+m" (v->cnt), /* output */
-			  [ret] "=qm" (ret)
-			);
-
-	return ret != 0;
-}
-
-/**
- * Atomically decrement a 64-bit counter by one and test.
- *
- * Atomically decrements the atomic counter (v) by one and returns true if
- * the result is 0, or false in all other cases.
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   True if the result after subtraction is 0; false otherwise.
- */
-static inline int rte_atomic64_dec_and_test(rte_atomic64_t *v)
-{
-	uint8_t ret;
-
-	asm volatile(
-			MPLOCKED
-			"decq %[cnt] ; "
-			"sete %[ret]"
-			: [cnt] "+m" (v->cnt),  /* output */
-			  [ret] "=qm" (ret)
-			);
-	return ret != 0;
-}
-
-/**
- * Atomically test and set a 64-bit atomic counter.
- *
- * If the counter value is already set, return 0 (failed). Otherwise, set
- * the counter value to 1 and return 1 (success).
- *
- * @param v
- *   A pointer to the atomic counter.
- * @return
- *   0 if failed; else 1, success.
- */
-static inline int rte_atomic64_test_and_set(rte_atomic64_t *v)
-{
-	return rte_atomic64_cmpset((volatile uint64_t *)&v->cnt, 0, 1);
-}
-
-/**
- * Atomically set a 64-bit counter to 0.
- *
- * @param v
- *   A pointer to the atomic counter.
- */
-static inline void rte_atomic64_clear(rte_atomic64_t *v)
-{
-	v->cnt = 0;
-}
-
-#endif /* _RTE_X86_64_ATOMIC_H_ */
-- 
1.7.10.4