X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_launch.c;h=34f854ad80c8c9bb1721d2c9d753ca46362bab71;hb=e863fe3a13da89787fdf3b5c590101a3c0f10af6;hp=599f83b525ace0b43c8b7fb8cdb861e7a7b6752f;hpb=3031749c2df04a63cdcef186dcce3781e61436e8;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_launch.c b/lib/librte_eal/common/eal_common_launch.c index 599f83b525..34f854ad80 100644 --- a/lib/librte_eal/common/eal_common_launch.c +++ b/lib/librte_eal/common/eal_common_launch.c @@ -1,34 +1,5 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -38,65 +9,67 @@ #include #include -#include -#include #include #include +#include #include #include +#include "eal_private.h" + /* * Wait until a lcore finished its job. */ int -rte_eal_wait_lcore(unsigned slave_id) +rte_eal_wait_lcore(unsigned worker_id) { - if (lcore_config[slave_id].state == WAIT) + if (lcore_config[worker_id].state == WAIT) return 0; - while (lcore_config[slave_id].state != WAIT && - lcore_config[slave_id].state != FINISHED); + while (lcore_config[worker_id].state != WAIT && + lcore_config[worker_id].state != FINISHED) + rte_pause(); rte_rmb(); /* we are in finished state, go to wait state */ - lcore_config[slave_id].state = WAIT; - return lcore_config[slave_id].ret; + lcore_config[worker_id].state = WAIT; + return lcore_config[worker_id].ret; } /* - * Check that every SLAVE lcores are in WAIT state, then call - * rte_eal_remote_launch() for all of them. If call_master is true - * (set to CALL_MASTER), also call the function on the master lcore. + * Check that every WORKER lcores are in WAIT state, then call + * rte_eal_remote_launch() for all of them. If call_main is true + * (set to CALL_MAIN), also call the function on the main lcore. */ int rte_eal_mp_remote_launch(int (*f)(void *), void *arg, - enum rte_rmt_call_master_t call_master) + enum rte_rmt_call_main_t call_main) { int lcore_id; - int master = rte_get_master_lcore(); + int main_lcore = rte_get_main_lcore(); /* check state of lcores */ - RTE_LCORE_FOREACH_SLAVE(lcore_id) { + RTE_LCORE_FOREACH_WORKER(lcore_id) { if (lcore_config[lcore_id].state != WAIT) return -EBUSY; } /* send messages to cores */ - RTE_LCORE_FOREACH_SLAVE(lcore_id) { + RTE_LCORE_FOREACH_WORKER(lcore_id) { rte_eal_remote_launch(f, arg, lcore_id); } - if (call_master == CALL_MASTER) { - lcore_config[master].ret = f(arg); - lcore_config[master].state = FINISHED; + if (call_main == CALL_MAIN) { + lcore_config[main_lcore].ret = f(arg); + lcore_config[main_lcore].state = FINISHED; } return 0; } /* - * Return the state of the lcore identified by slave_id. + * Return the state of the lcore identified by worker_id. */ enum rte_lcore_state_t rte_eal_get_lcore_state(unsigned lcore_id) @@ -113,8 +86,7 @@ rte_eal_mp_wait_lcore(void) { unsigned lcore_id; - RTE_LCORE_FOREACH_SLAVE(lcore_id) { + RTE_LCORE_FOREACH_WORKER(lcore_id) { rte_eal_wait_lcore(lcore_id); } } -