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Diffstat (limited to 'src/dpdk22/lib/librte_eal/common/include/rte_eal.h')
| -rw-r--r-- | src/dpdk22/lib/librte_eal/common/include/rte_eal.h | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src/dpdk22/lib/librte_eal/common/include/rte_eal.h b/src/dpdk22/lib/librte_eal/common/include/rte_eal.h deleted file mode 100644 index d2816a84..00000000 --- a/src/dpdk22/lib/librte_eal/common/include/rte_eal.h +++ /dev/null @@ -1,241 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * 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. - */ - -#ifndef _RTE_EAL_H_ -#define _RTE_EAL_H_ - -/** - * @file - * - * EAL Configuration API - */ - -#include <stdint.h> -#include <sched.h> - -#include <rte_per_lcore.h> - -#ifdef __cplusplus -extern "C" { -#endif - -#define RTE_MAGIC 19820526 /**< Magic number written by the main partition when ready. */ - -/* Maximum thread_name length. */ -#define RTE_MAX_THREAD_NAME_LEN 16 - -/** - * The lcore role (used in RTE or not). - */ -enum rte_lcore_role_t { - ROLE_RTE, - ROLE_OFF, -}; - -/** - * The type of process in a linuxapp, multi-process setup - */ -enum rte_proc_type_t { - RTE_PROC_AUTO = -1, /* allow auto-detection of primary/secondary */ - RTE_PROC_PRIMARY = 0, /* set to zero, so primary is the default */ - RTE_PROC_SECONDARY, - - RTE_PROC_INVALID -}; - -/** - * The global RTE configuration structure. - */ -struct rte_config { - uint32_t master_lcore; /**< Id of the master lcore */ - uint32_t lcore_count; /**< Number of available logical cores. */ - enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE]; /**< State of cores. */ - - /** Primary or secondary configuration */ - enum rte_proc_type_t process_type; - - /** - * Pointer to memory configuration, which may be shared across multiple - * Intel DPDK instances - */ - struct rte_mem_config *mem_config; -} __attribute__((__packed__)); - -/** - * Get the global configuration structure. - * - * @return - * A pointer to the global configuration structure. - */ -struct rte_config *rte_eal_get_configuration(void); - -/** - * Get a lcore's role. - * - * @param lcore_id - * The identifier of the lcore. - * @return - * The role of the lcore. - */ -enum rte_lcore_role_t rte_eal_lcore_role(unsigned lcore_id); - - -/** - * Get the process type in a multi-process setup - * - * @return - * The process type - */ -enum rte_proc_type_t rte_eal_process_type(void); - -/** - * Request iopl privilege for all RPL. - * - * This function should be called by pmds which need access to ioports. - - * @return - * - On success, returns 0. - * - On failure, returns -1. - */ -int rte_eal_iopl_init(void); - -/** - * Initialize the Environment Abstraction Layer (EAL). - * - * This function is to be executed on the MASTER lcore only, as soon - * as possible in the application's main() function. - * - * The function finishes the initialization process before main() is called. - * It puts the SLAVE lcores in the WAIT state. - * - * When the multi-partition feature is supported, depending on the - * configuration (if CONFIG_RTE_EAL_MAIN_PARTITION is disabled), this - * function waits to ensure that the magic number is set before - * returning. See also the rte_eal_get_configuration() function. Note: - * This behavior may change in the future. - * - * @param argc - * The argc argument that was given to the main() function. - * @param argv - * The argv argument that was given to the main() function. - * @return - * - On success, the number of parsed arguments, which is greater or - * equal to zero. After the call to rte_eal_init(), - * all arguments argv[x] with x < ret may be modified and should - * not be accessed by the application. - * - On failure, a negative error value. - */ -int rte_eal_init(int argc, char **argv); -/** - * Usage function typedef used by the application usage function. - * - * Use this function typedef to define and call rte_set_applcation_usage_hook() - * routine. - */ -typedef void (*rte_usage_hook_t)(const char * prgname); - -/** - * Add application usage routine callout from the eal_usage() routine. - * - * This function allows the application to include its usage message - * in the EAL system usage message. The routine rte_set_application_usage_hook() - * needs to be called before the rte_eal_init() routine in the application. - * - * This routine is optional for the application and will behave as if the set - * routine was never called as the default behavior. - * - * @param usage_func - * The func argument is a function pointer to the application usage routine. - * Called function is defined using rte_usage_hook_t typedef, which is of - * the form void rte_usage_func(const char * prgname). - * - * Calling this routine with a NULL value will reset the usage hook routine and - * return the current value, which could be NULL. - * @return - * - Returns the current value of the rte_application_usage pointer to allow - * the caller to daisy chain the usage routines if needing more then one. - */ -rte_usage_hook_t -rte_set_application_usage_hook(rte_usage_hook_t usage_func); - -/** - * macro to get the lock of tailq in mem_config - */ -#define RTE_EAL_TAILQ_RWLOCK (&rte_eal_get_configuration()->mem_config->qlock) - -/** - * macro to get the multiple lock of mempool shared by mutiple-instance - */ -#define RTE_EAL_MEMPOOL_RWLOCK (&rte_eal_get_configuration()->mem_config->mplock) - -/** - * Whether EAL is using huge pages (disabled by --no-huge option). - * The no-huge mode cannot be used with UIO poll-mode drivers like igb/ixgbe. - * It is useful for NIC drivers (e.g. librte_pmd_mlx4, librte_pmd_vmxnet3) or - * crypto drivers (e.g. librte_crypto_nitrox) provided by third-parties such - * as 6WIND. - * - * @return - * Nonzero if hugepages are enabled. - */ -int rte_eal_has_hugepages(void); - -/** - * A wrap API for syscall gettid. - * - * @return - * On success, returns the thread ID of calling process. - * It is always successful. - */ -int rte_sys_gettid(void); - -/** - * Get system unique thread id. - * - * @return - * On success, returns the thread ID of calling process. - * It is always successful. - */ -static inline int rte_gettid(void) -{ - static RTE_DEFINE_PER_LCORE(int, _thread_id) = -1; - if (RTE_PER_LCORE(_thread_id) == -1) - RTE_PER_LCORE(_thread_id) = rte_sys_gettid(); - return RTE_PER_LCORE(_thread_id); -} - -#ifdef __cplusplus -} -#endif - -#endif /* _RTE_EAL_H_ */ |