Add macros to align given value to the multiple of the supplied integer. Signed-off-by: Pavan Nikhilesh <pbhagavat...@caviumnetworks.com> ---
Common code needed for OcteonTx event timer device. lib/librte_eal/common/include/rte_common.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/lib/librte_eal/common/include/rte_common.h b/lib/librte_eal/common/include/rte_common.h index c7803e41c..2052b5300 100644 --- a/lib/librte_eal/common/include/rte_common.h +++ b/lib/librte_eal/common/include/rte_common.h @@ -190,6 +190,22 @@ static void __attribute__((constructor(prio), used)) func(void) */ #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align) +/** + * Macro to align a value to the multiple of given value. The resultant + * value will be of the same type as the first parameter and will be no lower + * than the first parameter. + */ +#define RTE_ALIGN_MUL_CEIL(v, mul) \ + (((v + (typeof(v)) mul - 1) / ((typeof(v)) mul)) * (typeof(v))mul) + +/** + * Macro to align a value to the multiple of given value. The resultant + * value will be of the same type as the first parameter and will be no higher + * than the first parameter. + */ +#define RTE_ALIGN_MUL_FLOOR(v, mul) \ + ((v / ((typeof(v)) mul)) * (typeof(v))mul) + /** * Checks if a pointer is aligned to a given power-of-two value * -- 2.16.2
