f-stack/dpdk/lib/librte_eal/include/rte_eal_memconfig.h

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2021-02-05 08:48:47 +00:00
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef _RTE_EAL_MEMCONFIG_H_
#define _RTE_EAL_MEMCONFIG_H_
#include <stdbool.h>
#include <rte_compat.h>
/**
* @file
*
* This API allows access to EAL shared memory configuration through an API.
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Lock the internal EAL shared memory configuration for shared access.
*/
void
rte_mcfg_mem_read_lock(void);
/**
* Unlock the internal EAL shared memory configuration for shared access.
*/
void
rte_mcfg_mem_read_unlock(void);
/**
* Lock the internal EAL shared memory configuration for exclusive access.
*/
void
rte_mcfg_mem_write_lock(void);
/**
* Unlock the internal EAL shared memory configuration for exclusive access.
*/
void
rte_mcfg_mem_write_unlock(void);
/**
* Lock the internal EAL TAILQ list for shared access.
*/
void
rte_mcfg_tailq_read_lock(void);
/**
* Unlock the internal EAL TAILQ list for shared access.
*/
void
rte_mcfg_tailq_read_unlock(void);
/**
* Lock the internal EAL TAILQ list for exclusive access.
*/
void
rte_mcfg_tailq_write_lock(void);
/**
* Unlock the internal EAL TAILQ list for exclusive access.
*/
void
rte_mcfg_tailq_write_unlock(void);
/**
* Lock the internal EAL Mempool list for shared access.
*/
void
rte_mcfg_mempool_read_lock(void);
/**
* Unlock the internal EAL Mempool list for shared access.
*/
void
rte_mcfg_mempool_read_unlock(void);
/**
* Lock the internal EAL Mempool list for exclusive access.
*/
void
rte_mcfg_mempool_write_lock(void);
/**
* Unlock the internal EAL Mempool list for exclusive access.
*/
void
rte_mcfg_mempool_write_unlock(void);
/**
* @warning
* @b EXPERIMENTAL: this API may change without prior notice
*
* Lock the internal EAL Timer Library lock for exclusive access.
*/
__rte_experimental
void
rte_mcfg_timer_lock(void);
/**
* @warning
* @b EXPERIMENTAL: this API may change without prior notice
*
* Unlock the internal EAL Timer Library lock for exclusive access.
*/
__rte_experimental
void
rte_mcfg_timer_unlock(void);
/**
* @warning
* @b EXPERIMENTAL: this API may change without prior notice
*
* If true, pages are put in single files (per memseg list),
* as opposed to creating a file per page.
*/
__rte_experimental
bool
rte_mcfg_get_single_file_segments(void);
#ifdef __cplusplus
}
#endif
#endif /*__RTE_EAL_MEMCONFIG_H_*/