Add a new helper function rte_lcore_is_eal_managed() to determine if a logical core is managed by EAL.
This interface returns true if the lcore role is either ROLE_RTE (standard worker/main cores) or ROLE_SERVICE (service cores). Signed-off-by: Huisong Li <[email protected]> --- lib/eal/common/eal_common_lcore.c | 11 +++++++++++ lib/eal/include/rte_lcore.h | 11 +++++++++++ 2 files changed, 22 insertions(+) diff --git a/lib/eal/common/eal_common_lcore.c b/lib/eal/common/eal_common_lcore.c index 39411f9370..dfbd96875a 100644 --- a/lib/eal/common/eal_common_lcore.c +++ b/lib/eal/common/eal_common_lcore.c @@ -102,6 +102,17 @@ int rte_lcore_is_enabled(unsigned int lcore_id) return cfg->lcore_role[lcore_id] == ROLE_RTE; } +RTE_EXPORT_SYMBOL(rte_lcore_is_eal_managed) +int rte_lcore_is_eal_managed(unsigned int lcore_id) +{ + struct rte_config *cfg = rte_eal_get_configuration(); + + if (lcore_id >= RTE_MAX_LCORE) + return 0; + return cfg->lcore_role[lcore_id] == ROLE_RTE || + cfg->lcore_role[lcore_id] == ROLE_SERVICE; +} + RTE_EXPORT_SYMBOL(rte_get_next_lcore) unsigned int rte_get_next_lcore(unsigned int i, int skip_main, int wrap) { diff --git a/lib/eal/include/rte_lcore.h b/lib/eal/include/rte_lcore.h index 10f965b4f0..cbfd50a936 100644 --- a/lib/eal/include/rte_lcore.h +++ b/lib/eal/include/rte_lcore.h @@ -195,6 +195,17 @@ rte_cpuset_t rte_lcore_cpuset(unsigned int lcore_id); */ int rte_lcore_is_enabled(unsigned int lcore_id); +/** + * Test if an lcore is ROLE_RTE or ROLE_SERVICE. + * + * @param lcore_id + * The identifier of the lcore, which MUST be between 0 and + * RTE_MAX_LCORE-1. + * @return + * True if the given lcore is ROLE_RTE or ROLE_SERVICE; false otherwise. + */ +int rte_lcore_is_eal_managed(unsigned int lcore_id); + /** * Get the next enabled lcore ID. * -- 2.33.0
