mirror of https://github.com/F-Stack/f-stack.git
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2019 Intel Corporation
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*/
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#include <io.h>
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#include <fcntl.h>
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#include <rte_debug.h>
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#include <rte_eal.h>
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#include <rte_errno.h>
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#include <rte_lcore.h>
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#include <eal_thread.h>
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#include <eal_private.h>
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/* Address of global and public configuration */
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static struct rte_config rte_config;
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/* internal configuration (per-core) */
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struct lcore_config lcore_config[RTE_MAX_LCORE];
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/* Return a pointer to the configuration structure */
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struct rte_config *
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rte_eal_get_configuration(void)
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{
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return &rte_config;
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}
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static int
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sync_func(void *arg __rte_unused)
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{
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return 0;
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}
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static void
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rte_eal_init_alert(const char *msg)
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{
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fprintf(stderr, "EAL: FATAL: %s\n", msg);
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RTE_LOG(ERR, EAL, "%s\n", msg);
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}
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/* Launch threads, called at application init(). */
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int
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rte_eal_init(int argc __rte_unused, char **argv __rte_unused)
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{
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int i;
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/* create a map of all processors in the system */
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eal_create_cpu_map();
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if (rte_eal_cpu_init() < 0) {
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rte_eal_init_alert("Cannot detect lcores.");
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rte_errno = ENOTSUP;
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return -1;
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}
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eal_thread_init_master(rte_config.master_lcore);
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RTE_LCORE_FOREACH_SLAVE(i) {
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/*
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* create communication pipes between master thread
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* and children
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*/
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if (_pipe(lcore_config[i].pipe_master2slave,
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sizeof(char), _O_BINARY) < 0)
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rte_panic("Cannot create pipe\n");
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if (_pipe(lcore_config[i].pipe_slave2master,
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sizeof(char), _O_BINARY) < 0)
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rte_panic("Cannot create pipe\n");
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lcore_config[i].state = WAIT;
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/* create a thread for each lcore */
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if (eal_thread_create(&lcore_config[i].thread_id) != 0)
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rte_panic("Cannot create thread\n");
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}
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/*
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* Launch a dummy function on all slave lcores, so that master lcore
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* knows they are all ready when this function returns.
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*/
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rte_eal_mp_remote_launch(sync_func, NULL, SKIP_MASTER);
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rte_eal_mp_wait_lcore();
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return 0;
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}
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int
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rte_eal_cleanup(void)
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{
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return 0;
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}
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