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 #if HAVE_CONFIG_H 34 # include <config.h> 35 #endif /* HAVE_CONFIG_H */ 36 37 #include <stdio.h> 38 39 #include <endian.h> 40 #include <byteswap.h> 41 42 #include <infiniband/verbs.h> 43 #include <infiniband/arch.h> 44 45 int main(int argc, char *argv[]) 46 { 47 struct ibv_device **dev_list; 48 int num_devices, i; 49 50 dev_list = ibv_get_device_list(&num_devices); 51 if (!dev_list) { 52 perror("Failed to get IB devices list"); 53 return 1; 54 } 55 56 printf(" %-16s\t node GUID\n", "device"); 57 printf(" %-16s\t----------------\n", "------"); 58 59 for (i = 0; i < num_devices; ++i) { 60 printf(" %-16s\t%016llx\n", 61 ibv_get_device_name(dev_list[i]), 62 (unsigned long long) ntohll(ibv_get_device_guid(dev_list[i]))); 63 } 64 65 ibv_free_device_list(dev_list); 66 67 return 0; 68 } 69