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 #include <rte_config.h> 56 57 #include "channel_manager.h" 58 #include "channel_monitor.h" 59 #include "power_manager.h" 60 #include "vm_power_cli.h" 61 62 static int 63 run_monitor(__attribute__((unused)) void *arg) 64 { 65 if (channel_monitor_init() < 0) { 66 printf("Unable to initialize channel monitor\n"); 67 return -1; 68 } 69 run_channel_monitor(); 70 return 0; 71 } 72 73 static void 74 sig_handler(int signo) 75 { 76 printf("Received signal %d, exiting...\n", signo); 77 channel_monitor_exit(); 78 channel_manager_exit(); 79 power_manager_exit(); 80 81 } 82 83 int 84 main(int argc, char **argv) 85 { 86 int ret; 87 unsigned lcore_id; 88 89 ret = rte_eal_init(argc, argv); 90 if (ret < 0) 91 rte_panic("Cannot init EAL\n"); 92 93 signal(SIGINT, sig_handler); 94 signal(SIGTERM, sig_handler); 95 96 lcore_id = rte_get_next_lcore(-1, 1, 0); 97 if (lcore_id == RTE_MAX_LCORE) { 98 RTE_LOG(ERR, EAL, "A minimum of two cores are required to run " 99 "application\n"); 100 return 0; 101 } 102 rte_eal_remote_launch(run_monitor, NULL, lcore_id); 103 104 if (power_manager_init() < 0) { 105 printf("Unable to initialize power manager\n"); 106 return -1; 107 } 108 if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) { 109 printf("Unable to initialize channel manager\n"); 110 return -1; 111 } 112 run_cli(NULL); 113 114 rte_eal_mp_wait_lcore(); 115 return 0; 116 } 117