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/*
* Copyright (c) 2013-2015 Intel Corporation. All rights reserved.
* Copyright (c) 2016, Cisco Systems, Inc. All rights reserved.
*
* This software is available to you under the BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <rdma/fi_errno.h>
#include <rdma/fi_endpoint.h>
#include <rdma/fi_cm.h>
#include <shared.h>
static int run_test()
{
int ret;
size_t size = 1000;
struct fi_cq_data_entry comp = {0};
struct fi_rma_iov remote;
uint64_t mask = UINT64_MAX;
if (fi->domain_attr->cq_data_size < sizeof(uint64_t))
mask ^= mask << (fi->domain_attr->cq_data_size * 8);
if (opts.cqdata_op == FT_CQDATA_WRITEDATA) {
ret = ft_exchange_keys(&remote);
if (ret)
return ret;
}
if (opts.dst_addr) {
if (opts.cqdata_op == FT_CQDATA_SENDDATA) {
fprintf(stdout,
"Posting send with CQ data: 0x%" PRIx64 "\n",
remote_cq_data);
ret = ft_post_tx(ep, remote_fi_addr, size, remote_cq_data, &tx_ctx);
} else if (opts.cqdata_op == FT_CQDATA_WRITEDATA) {
fprintf(stdout,
"Posting write with CQ data: 0x%" PRIx64 "\n",
ft_init_cq_data(fi));
ret = ft_post_rma(FT_RMA_WRITEDATA, tx_buf, size, &remote, &tx_ctx);
} else {
fprintf(stdout, "invalid cqdata_op: %d\n", opts.cqdata_op);
ret = -FI_EINVAL;
}
if (ret)
return ret;
ret = ft_get_tx_comp(tx_seq);
fprintf(stdout, "Done\n");
} else {
fprintf(stdout, "Waiting for CQ data from client\n");
ret = fi_cq_read(rxcq, &comp, 1);
while (ret == 0 || ret == -FI_EAGAIN)
ret = fi_cq_read(rxcq, &comp, 1);
if (ret < 0) {
if (ret == -FI_EAVAIL) {
ret = ft_cq_readerr(rxcq);
} else {
FT_PRINTERR("fi_cq_sread", ret);
}
return ret;
}
if (comp.flags & FI_REMOTE_CQ_DATA) {
if ((comp.data & mask) == (remote_cq_data & mask)) {
fprintf(stdout, "remote_cq_data: success\n");
ret = 0;
} else {
fprintf(stdout, "error, Expected data:0x%" PRIx64
", Received data:0x%" PRIx64 "\n",
remote_cq_data, comp.data);
ret = -FI_EIO;
}
if (comp.len == size) {
fprintf(stdout, "fi_cq_data_entry.len verify: success\n");
ret = 0;
} else {
fprintf(stdout, "error, Expected len:%zu, Received len:%zu\n",
size, comp.len);
ret = -FI_EIO;
}
} else {
fprintf(stdout, "error, CQ data flag not set\n");
ret = -FI_EBADFLAGS;
}
}
return ret;
}
static int run(void)
{
int ret;
if (hints->ep_attr->type == FI_EP_MSG)
ret = ft_init_fabric_cm();
else
ret = ft_init_fabric();
if (ret)
return ret;
ret = run_test();
fi_shutdown(ep, 0);
return ret;
}
int main(int argc, char **argv)
{
int op, ret;
opts = INIT_OPTS;
opts.options |= FT_OPT_SIZE;
hints = fi_allocinfo();
if (!hints)
return EXIT_FAILURE;
while ((op = getopt(argc, argv, "h" ADDR_OPTS API_OPTS INFO_OPTS)) != -1) {
switch (op) {
default:
ft_parse_addr_opts(op, optarg, &opts);
ft_parse_api_opts(op, optarg, hints, &opts);
ft_parseinfo(op, optarg, hints, &opts);
break;
case '?':
case 'h':
ft_usage(argv[0], "A client-server example that transfers CQ data.\n");
return EXIT_FAILURE;
}
}
if (optind < argc)
opts.dst_addr = argv[optind];
hints->domain_attr->cq_data_size = 4; /* required minimum */
hints->mode |= FI_CONTEXT | FI_RX_CQ_DATA;
hints->caps = FI_MSG;
if (opts.cqdata_op == FT_CQDATA_WRITEDATA)
hints->caps |= FI_RMA;
hints->domain_attr->mr_mode = opts.mr_mode;
hints->addr_format = opts.address_format;
cq_attr.format = FI_CQ_FORMAT_DATA;
ret = run();
ft_free_res();
return ft_exit_code(ret);
}
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