1 /* 2 * Copyright (c) 2005 Topspin Communications. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #if HAVE_CONFIG_H 34 # include <config.h> 35 #endif /* HAVE_CONFIG_H */ 36 37 #include <stdio.h> 38 #include <endian.h> 39 #include <byteswap.h> 40 41 #include <infiniband/verbs.h> 42 43 static const char *event_name_str(enum ibv_event_type event_type) 44 { 45 switch (event_type) { 46 case IBV_EVENT_DEVICE_FATAL: 47 return "IBV_EVENT_DEVICE_FATAL"; 48 case IBV_EVENT_PORT_ACTIVE: 49 return "IBV_EVENT_PORT_ACTIVE"; 50 case IBV_EVENT_PORT_ERR: 51 return "IBV_EVENT_PORT_ERR"; 52 case IBV_EVENT_LID_CHANGE: 53 return "IBV_EVENT_LID_CHANGE"; 54 case IBV_EVENT_PKEY_CHANGE: 55 return "IBV_EVENT_PKEY_CHANGE"; 56 case IBV_EVENT_SM_CHANGE: 57 return "IBV_EVENT_SM_CHANGE"; 58 case IBV_EVENT_CLIENT_REREGISTER: 59 return "IBV_EVENT_CLIENT_REREGISTER"; 60 case IBV_EVENT_GID_CHANGE: 61 return "IBV_EVENT_GID_CHANGE"; 62 63 case IBV_EVENT_CQ_ERR: 64 case IBV_EVENT_QP_FATAL: 65 case IBV_EVENT_QP_REQ_ERR: 66 case IBV_EVENT_QP_ACCESS_ERR: 67 case IBV_EVENT_COMM_EST: 68 case IBV_EVENT_SQ_DRAINED: 69 case IBV_EVENT_PATH_MIG: 70 case IBV_EVENT_PATH_MIG_ERR: 71 case IBV_EVENT_SRQ_ERR: 72 case IBV_EVENT_SRQ_LIMIT_REACHED: 73 case IBV_EVENT_QP_LAST_WQE_REACHED: 74 default: 75 return "unexpected"; 76 } 77 } 78 79 int main(int argc, char *argv[]) 80 { 81 struct ibv_device **dev_list; 82 struct ibv_context *context; 83 struct ibv_async_event event; 84 85 /* Force line-buffering in case stdout is redirected */ 86 setvbuf(stdout, NULL, _IOLBF, 0); 87 88 dev_list = ibv_get_device_list(NULL); 89 if (!dev_list) { 90 perror("Failed to get IB devices list"); 91 return 1; 92 } 93 94 if (!*dev_list) { 95 fprintf(stderr, "No IB devices found\n"); 96 return 1; 97 } 98 99 context = ibv_open_device(*dev_list); 100 if (!context) { 101 fprintf(stderr, "Couldn't get context for %s\n", 102 ibv_get_device_name(*dev_list)); 103 return 1; 104 } 105 106 printf("%s: async event FD %d\n", 107 ibv_get_device_name(*dev_list), context->async_fd); 108 109 while (1) { 110 if (ibv_get_async_event(context, &event)) 111 return 1; 112 113 printf(" event_type %s (%d), port %d\n", 114 event_name_str(event.event_type), 115 event.event_type, event.element.port_num); 116 117 ibv_ack_async_event(&event); 118 } 119 120 return 0; 121 } 122