missing .h file for intel crc

2021-11-01 17:57:04 +01:00
parent 97a1c0d91a
commit bdea7f464e
1 changed files with 98 additions and 0 deletions
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+/*******************************************************************************
+ Copyright (c) 2009-2018, Intel Corporation
+
+ 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.
+*******************************************************************************/
+
+/* Common data types, macros and functions used across the CRC library */
+
+#ifndef CRC_TYPES_H_
+#define CRC_TYPES_H_
+
+#ifdef __KERNEL__
+#include <asm/i387.h>
+#include <linux/types.h>
+typedef uint32_t uint_fast32_t; 
+typedef uint16_t uint_fast16_t; 
+typedef uint8_t uint_fast8_t; 
+#else
+#include <stdint.h>
+#include <stddef.h>
+#endif
+
+/* Declare variable at address aligned to a boundary */
+#define DECLARE_ALIGNED(_declaration, _boundary)         \
+        _declaration __attribute__((aligned(_boundary)))
+
+/* Macro to make function to be always inlined */
+#ifndef DEBUG
+#define __forceinline                                   \
+        static inline __attribute__((always_inline))
+#else
+#define __forceinline                                   \
+        static
+#endif
+
+/* Likely & unliekly hints for the compiler */
+#define likely(x)   __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
+/* Macro to get dimension of an array */
+#ifndef DIM
+#define DIM(x) (sizeof(x)/sizeof(x[0]))
+#endif
+
+/**
+ * Common functions
+ */
+
+/**
+ * @brief Swaps bytes in 16 bit word
+ *
+ * @param val 16 bit data value
+ *
+ * @return byte swapped value
+ */
+__forceinline uint16_t bswap2(const uint16_t val)
+{
+        return (uint16_t) ((val >> 8) | (val << 8));
+}
+
+/**
+ * @brief Swaps bytes in 32 bit word
+ * ABCD -> DCBA
+ *
+ * @param val 32 bit data value
+ *
+ * @return byte swapped value
+ */
+__forceinline uint32_t bswap4(const uint32_t val)
+{
+        return ((val >> 24) |             /**< A*/
+                ((val & 0xff0000) >> 8) | /**< B*/
+                ((val & 0xff00) << 8) |   /**< C*/
+                (val << 24));             /**< D*/
+}
+
+#endif /* CRC_TYPES_H_ */