device_list.c revision 331769 
1/*
2 * Copyright (c) 2004 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#include <config.h>
34
35#include <stdio.h>
36
37#include <infiniband/endian.h>
38
39#include <infiniband/verbs.h>
40
41int main(int argc, char *argv[])
42{
43	struct ibv_device **dev_list;
44	int num_devices, i;
45
46	dev_list = ibv_get_device_list(&num_devices);
47	if (!dev_list) {
48		perror("Failed to get IB devices list");
49		return 1;
50	}
51
52	printf("    %-16s\t   node GUID\n", "device");
53	printf("    %-16s\t----------------\n", "------");
54
55	for (i = 0; i < num_devices; ++i) {
56		printf("    %-16s\t%016llx\n",
57		       ibv_get_device_name(dev_list[i]),
58		       (unsigned long long) be64toh(ibv_get_device_guid(dev_list[i])));
59	}
60
61	ibv_free_device_list(dev_list);
62
63	return 0;
64}
65