1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <string.h> 36 #include <stdint.h> 37 #include <errno.h> 38 #include <sys/queue.h> 39 40 #include <rte_memory.h> 41 #include <rte_launch.h> 42 #include <rte_eal.h> 43 #include <rte_per_lcore.h> 44 #include <rte_lcore.h> 45 #include <rte_debug.h> 46 47 static int 48 lcore_hello(__attribute__((unused)) void *arg) 49 { 50 unsigned lcore_id; 51 lcore_id = rte_lcore_id(); 52 printf("hello from core %u\n", lcore_id); 53 return 0; 54 } 55 56 int 57 main(int argc, char **argv) 58 { 59 int ret; 60 unsigned lcore_id; 61 62 ret = rte_eal_init(argc, argv); 63 if (ret < 0) 64 rte_panic("Cannot init EAL\n"); 65 66 /* call lcore_hello() on every slave lcore */ 67 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 68 rte_eal_remote_launch(lcore_hello, NULL, lcore_id); 69 } 70 71 /* call it on master lcore too */ 72 lcore_hello(NULL); 73 74 rte_eal_mp_wait_lcore(); 75 return 0; 76 } 77