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/epoll.h> 39 #include <fcntl.h> 40 #include <unistd.h> 41 #include <stdlib.h> 42 #include <unistd.h> 43 #include <signal.h> 44 #include <errno.h> 45 46 #include <sys/queue.h> 47 48 #include <rte_common.h> 49 #include <rte_eal.h> 50 #include <rte_launch.h> 51 #include <rte_log.h> 52 #include <rte_per_lcore.h> 53 #include <rte_lcore.h> 54 #include <rte_debug.h> 55 56 #include "channel_manager.h" 57 #include "channel_monitor.h" 58 #include "power_manager.h" 59 #include "vm_power_cli.h" 60 61 static int 62 run_monitor(__attribute__((unused)) void *arg) 63 { 64 if (channel_monitor_init() < 0) { 65 printf("Unable to initialize channel monitor\n"); 66 return -1; 67 } 68 run_channel_monitor(); 69 return 0; 70 } 71 72 static void 73 sig_handler(int signo) 74 { 75 printf("Received signal %d, exiting...\n", signo); 76 channel_monitor_exit(); 77 channel_manager_exit(); 78 power_manager_exit(); 79 80 } 81 82 int 83 main(int argc, char **argv) 84 { 85 int ret; 86 unsigned lcore_id; 87 88 ret = rte_eal_init(argc, argv); 89 if (ret < 0) 90 rte_panic("Cannot init EAL\n"); 91 92 signal(SIGINT, sig_handler); 93 signal(SIGTERM, sig_handler); 94 95 lcore_id = rte_get_next_lcore(-1, 1, 0); 96 if (lcore_id == RTE_MAX_LCORE) { 97 RTE_LOG(ERR, EAL, "A minimum of two cores are required to run " 98 "application\n"); 99 return 0; 100 } 101 rte_eal_remote_launch(run_monitor, NULL, lcore_id); 102 103 if (power_manager_init() < 0) { 104 printf("Unable to initialize power manager\n"); 105 return -1; 106 } 107 if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) { 108 printf("Unable to initialize channel manager\n"); 109 return -1; 110 } 111 run_cli(NULL); 112 113 rte_eal_mp_wait_lcore(); 114 return 0; 115 } 116