X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Frte_eal.h;h=e114dcbdc672e1705d664d22cb91f06ae6b64fa0;hb=6b867cc11398c50845cb104caf84b43c29344da2;hp=8b36feabcb39403ab836058b0a08f0d1c99fe876;hpb=aec9c13c5257f0dae350152fa0444634fe35859e;p=dpdk.git diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h index 8b36feabcb..e114dcbdc6 100644 --- a/lib/librte_eal/common/include/rte_eal.h +++ b/lib/librte_eal/common/include/rte_eal.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright(c) 2010-2016 Intel Corporation + * Copyright(c) 2010-2018 Intel Corporation */ #ifndef _RTE_EAL_H_ @@ -13,8 +13,10 @@ #include #include +#include #include +#include #include #include @@ -55,6 +57,8 @@ enum rte_proc_type_t { struct rte_config { uint32_t master_lcore; /**< Id of the master lcore */ uint32_t lcore_count; /**< Number of available logical cores. */ + uint32_t numa_node_count; /**< Number of detected NUMA nodes. */ + uint32_t numa_nodes[RTE_MAX_NUMA_NODES]; /**< List of detected NUMA nodes. */ uint32_t service_lcore_count;/**< Number of available service cores. */ enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE]; /**< State of cores. */ @@ -183,7 +187,7 @@ int rte_eal_init(int argc, char **argv); * @return 0 Successfully released all internal EAL resources * @return -EFAULT There was an error in releasing all resources. */ -int rte_eal_cleanup(void); +int __rte_experimental rte_eal_cleanup(void); /** * Check if a primary process is currently alive @@ -202,6 +206,177 @@ int rte_eal_cleanup(void); */ int rte_eal_primary_proc_alive(const char *config_file_path); +#define RTE_MP_MAX_FD_NUM 8 /* The max amount of fds */ +#define RTE_MP_MAX_NAME_LEN 64 /* The max length of action name */ +#define RTE_MP_MAX_PARAM_LEN 256 /* The max length of param */ +struct rte_mp_msg { + char name[RTE_MP_MAX_NAME_LEN]; + int len_param; + int num_fds; + uint8_t param[RTE_MP_MAX_PARAM_LEN]; + int fds[RTE_MP_MAX_FD_NUM]; +}; + +struct rte_mp_reply { + int nb_sent; + int nb_received; + struct rte_mp_msg *msgs; /* caller to free */ +}; + +/** + * Action function typedef used by other components. + * + * As we create socket channel for primary/secondary communication, use + * this function typedef to register action for coming messages. + */ +typedef int (*rte_mp_t)(const struct rte_mp_msg *msg, const void *peer); + +/** + * Asynchronous reply function typedef used by other components. + * + * As we create socket channel for primary/secondary communication, use + * this function typedef to register action for coming responses to asynchronous + * requests. + */ +typedef int (*rte_mp_async_reply_t)(const struct rte_mp_msg *request, + const struct rte_mp_reply *reply); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Register an action function for primary/secondary communication. + * + * Call this function to register an action, if the calling component wants + * to response the messages from the corresponding component in its primary + * process or secondary processes. + * + * @param name + * The name argument plays as the nonredundant key to find the action. + * + * @param action + * The action argument is the function pointer to the action function. + * + * @return + * - 0 on success. + * - (<0) on failure. + */ +int __rte_experimental +rte_mp_action_register(const char *name, rte_mp_t action); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Unregister an action function for primary/secondary communication. + * + * Call this function to unregister an action if the calling component does + * not want to response the messages from the corresponding component in its + * primary process or secondary processes. + * + * @param name + * The name argument plays as the nonredundant key to find the action. + * + */ +void __rte_experimental +rte_mp_action_unregister(const char *name); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Send a message to the peer process. + * + * This function will send a message which will be responsed by the action + * identified by name in the peer process. + * + * @param msg + * The msg argument contains the customized message. + * + * @return + * - On success, return 0. + * - On failure, return -1, and the reason will be stored in rte_errno. + */ +int __rte_experimental +rte_mp_sendmsg(struct rte_mp_msg *msg); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Send a request to the peer process and expect a reply. + * + * This function sends a request message to the peer process, and will + * block until receiving reply message from the peer process. + * + * @note The caller is responsible to free reply->replies. + * + * @param req + * The req argument contains the customized request message. + * + * @param reply + * The reply argument will be for storing all the replied messages; + * the caller is responsible for free reply->replies. + * + * @param ts + * The ts argument specifies how long we can wait for the peer(s) to reply. + * + * @return + * - On success, return 0. + * - On failure, return -1, and the reason will be stored in rte_errno. + */ +int __rte_experimental +rte_mp_request_sync(struct rte_mp_msg *req, struct rte_mp_reply *reply, + const struct timespec *ts); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Send a request to the peer process and expect a reply in a separate callback. + * + * This function sends a request message to the peer process, and will not + * block. Instead, reply will be received in a separate callback. + * + * @param req + * The req argument contains the customized request message. + * + * @param ts + * The ts argument specifies how long we can wait for the peer(s) to reply. + * + * @param clb + * The callback to trigger when all responses for this request have arrived. + * + * @return + * - On success, return 0. + * - On failure, return -1, and the reason will be stored in rte_errno. + */ +int __rte_experimental +rte_mp_request_async(struct rte_mp_msg *req, const struct timespec *ts, + rte_mp_async_reply_t clb); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Send a reply to the peer process. + * + * This function will send a reply message in response to a request message + * received previously. + * + * @param msg + * The msg argument contains the customized message. + * + * @param peer + * The peer argument is the pointer to the peer socket path. + * + * @return + * - On success, return 0. + * - On failure, return -1, and the reason will be stored in rte_errno. + */ +int __rte_experimental +rte_mp_reply(struct rte_mp_msg *msg, const char *peer); + /** * Usage function typedef used by the application usage function. * @@ -315,13 +490,13 @@ static inline int rte_gettid(void) enum rte_iova_mode rte_eal_iova_mode(void); /** - * Get default pool ops name for mbuf + * Get user provided pool ops name for mbuf * * @return - * returns default pool ops name. + * returns user provided pool ops name. */ const char * -rte_eal_mbuf_default_mempool_ops(void); +rte_eal_mbuf_user_pool_ops(void); #ifdef __cplusplus }