1aa0a1e58SJeff Roberson /*
2aa0a1e58SJeff Roberson * Copyright (c) 2005 Topspin Communications. All rights reserved.
3aa0a1e58SJeff Roberson *
4aa0a1e58SJeff Roberson * This software is available to you under a choice of one of two
5aa0a1e58SJeff Roberson * licenses. You may choose to be licensed under the terms of the GNU
6aa0a1e58SJeff Roberson * General Public License (GPL) Version 2, available from the file
7aa0a1e58SJeff Roberson * COPYING in the main directory of this source tree, or the
8aa0a1e58SJeff Roberson * OpenIB.org BSD license below:
9aa0a1e58SJeff Roberson *
10aa0a1e58SJeff Roberson * Redistribution and use in source and binary forms, with or
11aa0a1e58SJeff Roberson * without modification, are permitted provided that the following
12aa0a1e58SJeff Roberson * conditions are met:
13aa0a1e58SJeff Roberson *
14aa0a1e58SJeff Roberson * - Redistributions of source code must retain the above
15aa0a1e58SJeff Roberson * copyright notice, this list of conditions and the following
16aa0a1e58SJeff Roberson * disclaimer.
17aa0a1e58SJeff Roberson *
18aa0a1e58SJeff Roberson * - Redistributions in binary form must reproduce the above
19aa0a1e58SJeff Roberson * copyright notice, this list of conditions and the following
20aa0a1e58SJeff Roberson * disclaimer in the documentation and/or other materials
21aa0a1e58SJeff Roberson * provided with the distribution.
22aa0a1e58SJeff Roberson *
23aa0a1e58SJeff Roberson * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24aa0a1e58SJeff Roberson * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25aa0a1e58SJeff Roberson * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26aa0a1e58SJeff Roberson * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27aa0a1e58SJeff Roberson * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28aa0a1e58SJeff Roberson * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29aa0a1e58SJeff Roberson * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30aa0a1e58SJeff Roberson * SOFTWARE.
31aa0a1e58SJeff Roberson */
32d6b92ffaSHans Petter Selasky #define _GNU_SOURCE
33aa0a1e58SJeff Roberson #include <config.h>
34aa0a1e58SJeff Roberson
35aa0a1e58SJeff Roberson #include <stdio.h>
36d6b92ffaSHans Petter Selasky #include <infiniband/endian.h>
37d6b92ffaSHans Petter Selasky #include <getopt.h>
38d6b92ffaSHans Petter Selasky #include <string.h>
39aa0a1e58SJeff Roberson
40aa0a1e58SJeff Roberson #include <infiniband/verbs.h>
41aa0a1e58SJeff Roberson
event_name_str(enum ibv_event_type event_type)42aa0a1e58SJeff Roberson static const char *event_name_str(enum ibv_event_type event_type)
43aa0a1e58SJeff Roberson {
44aa0a1e58SJeff Roberson switch (event_type) {
45aa0a1e58SJeff Roberson case IBV_EVENT_DEVICE_FATAL:
46aa0a1e58SJeff Roberson return "IBV_EVENT_DEVICE_FATAL";
47aa0a1e58SJeff Roberson case IBV_EVENT_PORT_ACTIVE:
48aa0a1e58SJeff Roberson return "IBV_EVENT_PORT_ACTIVE";
49aa0a1e58SJeff Roberson case IBV_EVENT_PORT_ERR:
50aa0a1e58SJeff Roberson return "IBV_EVENT_PORT_ERR";
51aa0a1e58SJeff Roberson case IBV_EVENT_LID_CHANGE:
52aa0a1e58SJeff Roberson return "IBV_EVENT_LID_CHANGE";
53aa0a1e58SJeff Roberson case IBV_EVENT_PKEY_CHANGE:
54aa0a1e58SJeff Roberson return "IBV_EVENT_PKEY_CHANGE";
55aa0a1e58SJeff Roberson case IBV_EVENT_SM_CHANGE:
56aa0a1e58SJeff Roberson return "IBV_EVENT_SM_CHANGE";
57aa0a1e58SJeff Roberson case IBV_EVENT_CLIENT_REREGISTER:
58aa0a1e58SJeff Roberson return "IBV_EVENT_CLIENT_REREGISTER";
59aa0a1e58SJeff Roberson case IBV_EVENT_GID_CHANGE:
60aa0a1e58SJeff Roberson return "IBV_EVENT_GID_CHANGE";
61aa0a1e58SJeff Roberson
62aa0a1e58SJeff Roberson case IBV_EVENT_CQ_ERR:
63aa0a1e58SJeff Roberson case IBV_EVENT_QP_FATAL:
64aa0a1e58SJeff Roberson case IBV_EVENT_QP_REQ_ERR:
65aa0a1e58SJeff Roberson case IBV_EVENT_QP_ACCESS_ERR:
66aa0a1e58SJeff Roberson case IBV_EVENT_COMM_EST:
67aa0a1e58SJeff Roberson case IBV_EVENT_SQ_DRAINED:
68aa0a1e58SJeff Roberson case IBV_EVENT_PATH_MIG:
69aa0a1e58SJeff Roberson case IBV_EVENT_PATH_MIG_ERR:
70aa0a1e58SJeff Roberson case IBV_EVENT_SRQ_ERR:
71aa0a1e58SJeff Roberson case IBV_EVENT_SRQ_LIMIT_REACHED:
72aa0a1e58SJeff Roberson case IBV_EVENT_QP_LAST_WQE_REACHED:
73aa0a1e58SJeff Roberson default:
74aa0a1e58SJeff Roberson return "unexpected";
75aa0a1e58SJeff Roberson }
76aa0a1e58SJeff Roberson }
77aa0a1e58SJeff Roberson
usage(const char * argv0)78d6b92ffaSHans Petter Selasky static void usage(const char *argv0)
79d6b92ffaSHans Petter Selasky {
80d6b92ffaSHans Petter Selasky printf("Usage:\n");
81d6b92ffaSHans Petter Selasky printf(" %s start an asyncwatch process\n", argv0);
82d6b92ffaSHans Petter Selasky printf("\n");
83d6b92ffaSHans Petter Selasky printf("Options:\n");
84d6b92ffaSHans Petter Selasky printf(" -d, --ib-dev=<dev> use IB device <dev> (default first device found)\n");
85d6b92ffaSHans Petter Selasky printf(" -h, --help print a help text and exit\n");
86d6b92ffaSHans Petter Selasky }
87d6b92ffaSHans Petter Selasky
main(int argc,char * argv[])88aa0a1e58SJeff Roberson int main(int argc, char *argv[])
89aa0a1e58SJeff Roberson {
90aa0a1e58SJeff Roberson struct ibv_device **dev_list;
91aa0a1e58SJeff Roberson struct ibv_context *context;
92aa0a1e58SJeff Roberson struct ibv_async_event event;
93d6b92ffaSHans Petter Selasky char *ib_devname = NULL;
94d6b92ffaSHans Petter Selasky int i = 0;
95aa0a1e58SJeff Roberson
96aa0a1e58SJeff Roberson /* Force line-buffering in case stdout is redirected */
97aa0a1e58SJeff Roberson setvbuf(stdout, NULL, _IOLBF, 0);
98aa0a1e58SJeff Roberson
99d6b92ffaSHans Petter Selasky while (1) {
100d6b92ffaSHans Petter Selasky int ret = 1;
101d6b92ffaSHans Petter Selasky int c;
102d6b92ffaSHans Petter Selasky static struct option long_options[] = {
103d6b92ffaSHans Petter Selasky { .name = "ib-dev", .has_arg = 1, .val = 'd' },
104d6b92ffaSHans Petter Selasky { .name = "help", .has_arg = 0, .val = 'h' },
105d6b92ffaSHans Petter Selasky {}
106d6b92ffaSHans Petter Selasky };
107d6b92ffaSHans Petter Selasky
108d6b92ffaSHans Petter Selasky c = getopt_long(argc, argv, "d:h", long_options, NULL);
109d6b92ffaSHans Petter Selasky if (c == -1)
110d6b92ffaSHans Petter Selasky break;
111d6b92ffaSHans Petter Selasky switch (c) {
112d6b92ffaSHans Petter Selasky case 'd':
113d6b92ffaSHans Petter Selasky ib_devname = strdupa(optarg);
114d6b92ffaSHans Petter Selasky break;
115d6b92ffaSHans Petter Selasky case 'h':
116d6b92ffaSHans Petter Selasky ret = 0;
117d6b92ffaSHans Petter Selasky SWITCH_FALLTHROUGH;
118d6b92ffaSHans Petter Selasky default:
119d6b92ffaSHans Petter Selasky usage(argv[0]);
120d6b92ffaSHans Petter Selasky return ret;
121d6b92ffaSHans Petter Selasky }
122d6b92ffaSHans Petter Selasky }
123aa0a1e58SJeff Roberson dev_list = ibv_get_device_list(NULL);
124aa0a1e58SJeff Roberson if (!dev_list) {
125aa0a1e58SJeff Roberson perror("Failed to get IB devices list");
126aa0a1e58SJeff Roberson return 1;
127aa0a1e58SJeff Roberson }
128d6b92ffaSHans Petter Selasky if (ib_devname) {
129d6b92ffaSHans Petter Selasky for (; dev_list[i]; ++i) {
130d6b92ffaSHans Petter Selasky if (!strcmp(ibv_get_device_name(dev_list[i]), ib_devname))
131d6b92ffaSHans Petter Selasky break;
132d6b92ffaSHans Petter Selasky }
133d6b92ffaSHans Petter Selasky }
134aa0a1e58SJeff Roberson
135d6b92ffaSHans Petter Selasky if (!dev_list[i]) {
136d6b92ffaSHans Petter Selasky fprintf(stderr, "IB device %s not found\n",
137d6b92ffaSHans Petter Selasky ib_devname ? ib_devname : "");
138aa0a1e58SJeff Roberson return 1;
139aa0a1e58SJeff Roberson }
140aa0a1e58SJeff Roberson
141d6b92ffaSHans Petter Selasky context = ibv_open_device(dev_list[i]);
142aa0a1e58SJeff Roberson if (!context) {
143aa0a1e58SJeff Roberson fprintf(stderr, "Couldn't get context for %s\n",
144d6b92ffaSHans Petter Selasky ibv_get_device_name(dev_list[i]));
145aa0a1e58SJeff Roberson return 1;
146aa0a1e58SJeff Roberson }
147aa0a1e58SJeff Roberson
148aa0a1e58SJeff Roberson printf("%s: async event FD %d\n",
149d6b92ffaSHans Petter Selasky ibv_get_device_name(dev_list[i]), context->async_fd);
150aa0a1e58SJeff Roberson
151aa0a1e58SJeff Roberson while (1) {
152aa0a1e58SJeff Roberson if (ibv_get_async_event(context, &event))
153aa0a1e58SJeff Roberson return 1;
154aa0a1e58SJeff Roberson
155aa0a1e58SJeff Roberson printf(" event_type %s (%d), port %d\n",
156aa0a1e58SJeff Roberson event_name_str(event.event_type),
157aa0a1e58SJeff Roberson event.event_type, event.element.port_num);
158aa0a1e58SJeff Roberson
159aa0a1e58SJeff Roberson ibv_ack_async_event(&event);
160aa0a1e58SJeff Roberson }
161aa0a1e58SJeff Roberson
162aa0a1e58SJeff Roberson return 0;
163aa0a1e58SJeff Roberson }
164