-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2012 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.
- *
- * version: DPDK.L.1.2.3-3
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <errno.h>
#include <rte_launch.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_atomic.h>
+#include <rte_pause.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
+#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)
{
unsigned lcore_id;
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ RTE_LCORE_FOREACH_WORKER(lcore_id) {
rte_eal_wait_lcore(lcore_id);
}
}
-