joerns

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <rdma/fabric.h>
#include <rdma/fi_eq.h>
#include <rdma/fi_endpoint.h>
#include <rdma/fi_cm.h>
#include <rdma/fi_errno.h>

joerns

  hints = fi_allocinfo();
  hints->ep_attr->type  = FI_EP_RDM;
  hints->caps = FI_MSG;
  
  fi_getinfo(FI_VERSION(1, 1), "0.0.0.0", "12345, FI_SOURCE, hints, &socket->fi);
  fi_fabric(socket->fi->fabric_attr, &socket->fabric, &socket->prov_ctx);
  fi_domain(socket->fabric, socket->fi, &socket->domain, &socket->prov_ctx);
  fi_endpoint(socket->domain, socket->fi, &socket->ep, &socket->prov_ctx);

  struct fi_av_attr av_attr;

joerns

# ibv_devinfo 
hca_id: mlx5_1
        transport:                      InfiniBand (0)
        fw_ver:                         16.21.2010
        node_guid:                      ec0d:9a03:008e:b989
        sys_image_guid:                 ec0d:9a03:008e:b988
        vendor_id:                      0x02c9
        vendor_part_id:                 4121
        hw_ver:                         0x0
        board_id:                       MT_0000000013

joerns

$ gcc test.c -o test -l fabric -g -O0
$ $ FI_PROVIDER=verbs ./test
error: fi_getinfo failed: -61 'No data available'

joerns

#include <stdio.h>
#include <stdlib.h>
#include <rdma/fabric.h>
#include <rdma/fi_eq.h>
#include <rdma/fi_endpoint.h>
#include <rdma/fi_cm.h>
#include <rdma/fi_errno.h>
#include <string.h>
#include <netinet/in.h>
#include <netdb.h>

joerns

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <rdma/fabric.h>
#include <rdma/fi_eq.h>
#include <rdma/fi_endpoint.h>
#include <rdma/fi_cm.h>
#include <rdma/fi_errno.h>

joerns

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <rdma/fabric.h>
#include <rdma/fi_eq.h>
#include <rdma/fi_endpoint.h>
#include <rdma/fi_cm.h>
#include <rdma/fi_errno.h>