[API-NEXT,PATCHv2,04/18] drv: adding byteorder.h

diff --git a/include/odp/drv/spec/byteorder.h b/include/odp/drv/spec/byteorder.h
new file mode 100644
index 0000000..d3f5d7e
--- /dev/null
+++ b/include/odp/drv/spec/byteorder.h
@@ -0,0 +1,178 @@ 
+/* Copyright (c) 2016, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+/**
+ * @file
+ *
+ * ODPDRV byteorder
+ */
+
+#ifndef ODPDRV_BYTEORDER_H_
+#define ODPDRV_BYTEORDER_H_
+#include <odp/visibility_begin.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @addtogroup odpdrv_compiler_optim ODPDRV COMPILER / OPTIMIZATION
+ *  Macros that check byte order and operations for byte order conversion.
+ *  @{
+ */
+
+/**
+ * @def ODPDRV_BIG_ENDIAN
+ * Big endian byte order
+ *
+ * @def ODPDRV_LITTLE_ENDIAN
+ * Little endian byte order
+ *
+ * @def ODPDRV_BIG_ENDIAN_BITFIELD
+ * Big endian bit field
+ *
+ * @def ODPDRV_LITTLE_ENDIAN_BITFIELD
+ * Little endian bit field
+ *
+ * @def ODPDRV_BYTE_ORDER
+ * Selected byte order
+ */
+
+/**
+ * @typedef odpdrv_u16le_t
+ * unsigned 16bit little endian
+ *
+ * @typedef odpdrv_u16be_t
+ * unsigned 16bit big endian
+ *
+ * @typedef odpdrv_u32le_t
+ * unsigned 32bit little endian
+ *
+ * @typedef odpdrv_u32be_t
+ * unsigned 32bit big endian
+ *
+ * @typedef odpdrv_u64le_t
+ * unsigned 64bit little endian
+ *
+ * @typedef odpdrv_u64be_t
+ * unsigned 64bit big endian
+ *
+ * @typedef odpdrv_u16sum_t
+ * unsigned 16bit bitwise
+ *
+ * @typedef odpdrv_u32sum_t
+ * unsigned 32bit bitwise
+ */
+
+/*
+ * Big Endian -> CPU byte order:
+ */
+
+/**
+ * Convert 16bit big endian to cpu native uint16_t
+ * @param be16  big endian 16bit
+ * @return  cpu native uint16_t
+ */
+uint16_t odpdrv_be_to_cpu_16(odpdrv_u16be_t be16);
+
+/**
+ * Convert 32bit big endian to cpu native uint32_t
+ * @param be32  big endian 32bit
+ * @return  cpu native uint32_t
+ */
+uint32_t odpdrv_be_to_cpu_32(odpdrv_u32be_t be32);
+
+/**
+ * Convert 64bit big endian to cpu native uint64_t
+ * @param be64  big endian 64bit
+ * @return  cpu native uint64_t
+ */
+uint64_t odpdrv_be_to_cpu_64(odpdrv_u64be_t be64);
+
+/*
+ * CPU byte order -> Big Endian:
+ */
+
+/**
+ * Convert cpu native uint16_t to 16bit big endian
+ * @param cpu16  uint16_t in cpu native format
+ * @return  big endian 16bit
+ */
+odpdrv_u16be_t odpdrv_cpu_to_be_16(uint16_t cpu16);
+
+/**
+ * Convert cpu native uint32_t to 32bit big endian
+ * @param cpu32  uint32_t in cpu native format
+ * @return  big endian 32bit
+ */
+odpdrv_u32be_t odpdrv_cpu_to_be_32(uint32_t cpu32);
+
+/**
+ * Convert cpu native uint64_t to 64bit big endian
+ * @param cpu64  uint64_t in cpu native format
+ * @return  big endian 64bit
+ */
+odpdrv_u64be_t odpdrv_cpu_to_be_64(uint64_t cpu64);
+
+/*
+ * Little Endian -> CPU byte order:
+ */
+
+/**
+ * Convert 16bit little endian to cpu native uint16_t
+ * @param le16  little endian 16bit
+ * @return  cpu native uint16_t
+ */
+uint16_t odpdrv_le_to_cpu_16(odpdrv_u16le_t le16);
+
+/**
+ * Convert 32bit little endian to cpu native uint32_t
+ * @param le32  little endian 32bit
+ * @return  cpu native uint32_t
+ */
+uint32_t odpdrv_le_to_cpu_32(odpdrv_u32le_t le32);
+
+/**
+ * Convert 64bit little endian to cpu native uint64_t
+ * @param le64  little endian 64bit
+ * @return  cpu native uint64_t
+ */
+uint64_t odpdrv_le_to_cpu_64(odpdrv_u64le_t le64);
+
+/*
+ * CPU byte order -> Little Endian:
+ */
+
+/**
+ * Convert cpu native uint16_t to 16bit little endian
+ * @param cpu16  uint16_t in cpu native format
+ * @return  little endian 16bit
+ */
+odpdrv_u16le_t odpdrv_cpu_to_le_16(uint16_t cpu16);
+
+/**
+ * Convert cpu native uint32_t to 32bit little endian
+ * @param cpu32  uint32_t in cpu native format
+ * @return  little endian 32bit
+ */
+odpdrv_u32le_t odpdrv_cpu_to_le_32(uint32_t cpu32);
+
+/**
+ * Convert cpu native uint64_t to 64bit little endian
+ * @param cpu64  uint64_t in cpu native format
+ * @return  little endian 64bit
+ */
+odpdrv_u64le_t odpdrv_cpu_to_le_64(uint64_t cpu64);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <odp/visibility_end.h>
+#endif
diff --git a/platform/Makefile.inc b/platform/Makefile.inc
index 053bd12..9fea4a7 100644
--- a/platform/Makefile.inc
+++ b/platform/Makefile.inc
@@ -60,3 +60,7 @@  odpapispecinclude_HEADERS = \
 		  $(top_srcdir)/include/odp/api/spec/timer.h \
 		  $(top_srcdir)/include/odp/api/spec/traffic_mngr.h \
 		  $(top_srcdir)/include/odp/api/spec/version.h
+
+odpdrvspecincludedir= $(includedir)/odp/drv/spec
+odpdrvspecinclude_HEADERS = \
+		  $(top_srcdir)/include/odp/drv/spec/byteorder.h