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
39 #include <infiniband/verbs.h>
40
event_name_str(enum ibv_event_type event_type)41 static const char *event_name_str(enum ibv_event_type event_type)
42 {
43 switch (event_type) {
44 case IBV_EVENT_DEVICE_FATAL:
45 return "IBV_EVENT_DEVICE_FATAL";
46 case IBV_EVENT_PORT_ACTIVE:
47 return "IBV_EVENT_PORT_ACTIVE";
48 case IBV_EVENT_PORT_ERR:
49 return "IBV_EVENT_PORT_ERR";
50 case IBV_EVENT_LID_CHANGE:
51 return "IBV_EVENT_LID_CHANGE";
52 case IBV_EVENT_PKEY_CHANGE:
53 return "IBV_EVENT_PKEY_CHANGE";
54 case IBV_EVENT_SM_CHANGE:
55 return "IBV_EVENT_SM_CHANGE";
56 case IBV_EVENT_CLIENT_REREGISTER:
57 return "IBV_EVENT_CLIENT_REREGISTER";
58 case IBV_EVENT_GID_CHANGE:
59 return "IBV_EVENT_GID_CHANGE";
60
61 case IBV_EVENT_CQ_ERR:
62 case IBV_EVENT_QP_FATAL:
63 case IBV_EVENT_QP_REQ_ERR:
64 case IBV_EVENT_QP_ACCESS_ERR:
65 case IBV_EVENT_COMM_EST:
66 case IBV_EVENT_SQ_DRAINED:
67 case IBV_EVENT_PATH_MIG:
68 case IBV_EVENT_PATH_MIG_ERR:
69 case IBV_EVENT_SRQ_ERR:
70 case IBV_EVENT_SRQ_LIMIT_REACHED:
71 case IBV_EVENT_QP_LAST_WQE_REACHED:
72 default:
73 return "unexpected";
74 }
75 }
76
main(int argc,char * argv[])77 int main(int argc, char *argv[])
78 {
79 struct ibv_device **dev_list;
80 struct ibv_context *context;
81 struct ibv_async_event event;
82
83 /* Force line-buffering in case stdout is redirected */
84 setvbuf(stdout, NULL, _IOLBF, 0);
85
86 dev_list = ibv_get_device_list(NULL);
87 if (!dev_list) {
88 perror("Failed to get IB devices list");
89 return 1;
90 }
91
92 if (!*dev_list) {
93 fprintf(stderr, "No IB devices found\n");
94 return 1;
95 }
96
97 context = ibv_open_device(*dev_list);
98 if (!context) {
99 fprintf(stderr, "Couldn't get context for %s\n",
100 ibv_get_device_name(*dev_list));
101 return 1;
102 }
103
104 printf("%s: async event FD %d\n",
105 ibv_get_device_name(*dev_list), context->async_fd);
106
107 while (1) {
108 if (ibv_get_async_event(context, &event))
109 return 1;
110
111 printf(" event_type %s (%d), port %d\n",
112 event_name_str(event.event_type),
113 event.event_type, event.element.port_num);
114
115 ibv_ack_async_event(&event);
116 }
117
118 return 0;
119 }
120