xref: /freebsd/contrib/ofed/libibverbs/examples/device_list.c (revision 87181516ef48be852d5e5fee53c6e0dbfc62f21e)
1aa0a1e58SJeff Roberson /*
2aa0a1e58SJeff Roberson  * Copyright (c) 2004 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  */
32aa0a1e58SJeff Roberson 
33aa0a1e58SJeff Roberson #include <config.h>
34aa0a1e58SJeff Roberson 
35aa0a1e58SJeff Roberson #include <stdio.h>
36aa0a1e58SJeff Roberson 
37*d6b92ffaSHans Petter Selasky #include <infiniband/endian.h>
38*d6b92ffaSHans Petter Selasky 
39aa0a1e58SJeff Roberson #include <infiniband/verbs.h>
40aa0a1e58SJeff Roberson 
main(int argc,char * argv[])41aa0a1e58SJeff Roberson int main(int argc, char *argv[])
42aa0a1e58SJeff Roberson {
43aa0a1e58SJeff Roberson 	struct ibv_device **dev_list;
44aa0a1e58SJeff Roberson 	int num_devices, i;
45aa0a1e58SJeff Roberson 
46aa0a1e58SJeff Roberson 	dev_list = ibv_get_device_list(&num_devices);
47aa0a1e58SJeff Roberson 	if (!dev_list) {
48aa0a1e58SJeff Roberson 		perror("Failed to get IB devices list");
49aa0a1e58SJeff Roberson 		return 1;
50aa0a1e58SJeff Roberson 	}
51aa0a1e58SJeff Roberson 
52aa0a1e58SJeff Roberson 	printf("    %-16s\t   node GUID\n", "device");
53aa0a1e58SJeff Roberson 	printf("    %-16s\t----------------\n", "------");
54aa0a1e58SJeff Roberson 
55aa0a1e58SJeff Roberson 	for (i = 0; i < num_devices; ++i) {
56aa0a1e58SJeff Roberson 		printf("    %-16s\t%016llx\n",
57aa0a1e58SJeff Roberson 		       ibv_get_device_name(dev_list[i]),
58*d6b92ffaSHans Petter Selasky 		       (unsigned long long) be64toh(ibv_get_device_guid(dev_list[i])));
59aa0a1e58SJeff Roberson 	}
60aa0a1e58SJeff Roberson 
61aa0a1e58SJeff Roberson 	ibv_free_device_list(dev_list);
62aa0a1e58SJeff Roberson 
63aa0a1e58SJeff Roberson 	return 0;
64aa0a1e58SJeff Roberson }
65