/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
+ * Copyright(c) 2010-2019 Intel Corporation
*/
#ifndef _RTE_COMMON_H_
#include <rte_config.h>
+/* OS specific include */
+#include <rte_os.h>
+
#ifndef typeof
#define typeof __typeof__
#endif
* Priority number must be above 100.
* Lowest number is the first to run.
*/
+#ifndef RTE_INIT_PRIO /* Allow to override from EAL */
#define RTE_INIT_PRIO(func, prio) \
static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void)
+#endif
/**
* Run function before main() with low priority.
* Priority number must be above 100.
* Lowest number is the last to run.
*/
+#ifndef RTE_FINI_PRIO /* Allow to override from EAL */
#define RTE_FINI_PRIO(func, prio) \
static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
+#endif
/**
* Run after main() with high priority.
#define RTE_ALIGN_MUL_FLOOR(v, mul) \
((v / ((typeof(v))(mul))) * (typeof(v))(mul))
+/**
+ * Macro to align value to the nearest multiple of the given value.
+ * The resultant value might be greater than or less than the first parameter
+ * whichever difference is the lowest.
+ */
+#define RTE_ALIGN_MUL_NEAR(v, mul) \
+ ({ \
+ typeof(v) ceil = RTE_ALIGN_MUL_CEIL(v, mul); \
+ typeof(v) floor = RTE_ALIGN_MUL_FLOOR(v, mul); \
+ (ceil - v) > (v - floor) ? floor : ceil; \
+ })
+
/**
* Checks if a pointer is aligned to a given power-of-two value
*
* Aligns input parameter to the next power of 2
*
* @param x
- * The integer value to algin
+ * The integer value to align
*
* @return
* Input parameter aligned to the next power of 2
* Aligns input parameter to the previous power of 2
*
* @param x
- * The integer value to algin
+ * The integer value to align
*
* @return
* Input parameter aligned to the previous power of 2