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/*
* Copyright (c) 2005-2006,2012 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org 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.
*
* $Id$
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <rdma/rdma_cma.h>
#include "common.h"
int use_rs = 1;
int get_rdma_addr(const char *src, const char *dst, const char *port,
struct rdma_addrinfo *hints, struct rdma_addrinfo **rai)
{
struct rdma_addrinfo rai_hints, *res;
int ret;
if (hints->ai_flags & RAI_PASSIVE)
return rdma_getaddrinfo(src, port, hints, rai);
rai_hints = *hints;
if (src) {
rai_hints.ai_flags |= RAI_PASSIVE;
ret = rdma_getaddrinfo(src, NULL, &rai_hints, &res);
if (ret)
return ret;
rai_hints.ai_src_addr = res->ai_src_addr;
rai_hints.ai_src_len = res->ai_src_len;
rai_hints.ai_flags &= ~RAI_PASSIVE;
}
ret = rdma_getaddrinfo(dst, port, &rai_hints, rai);
if (src)
rdma_freeaddrinfo(res);
return ret;
}
void size_str(char *str, size_t ssize, long long size)
{
long long base, fraction = 0;
char mag;
if (size >= (1 << 30)) {
base = 1 << 30;
mag = 'g';
} else if (size >= (1 << 20)) {
base = 1 << 20;
mag = 'm';
} else if (size >= (1 << 10)) {
base = 1 << 10;
mag = 'k';
} else {
base = 1;
mag = '\0';
}
if (size / base < 10)
fraction = (size % base) * 10 / base;
if (fraction) {
snprintf(str, ssize, "%lld.%lld%c", size / base, fraction, mag);
} else {
snprintf(str, ssize, "%lld%c", size / base, mag);
}
}
void cnt_str(char *str, size_t ssize, long long cnt)
{
if (cnt >= 1000000000)
snprintf(str, ssize, "%lldb", cnt / 1000000000);
else if (cnt >= 1000000)
snprintf(str, ssize, "%lldm", cnt / 1000000);
else if (cnt >= 1000)
snprintf(str, ssize, "%lldk", cnt / 1000);
else
snprintf(str, ssize, "%lld", cnt);
}
int size_to_count(int size)
{
if (size >= (1 << 20))
return 100;
else if (size >= (1 << 16))
return 1000;
else if (size >= (1 << 10))
return 10000;
else
return 100000;
}
void format_buf(void *buf, int size)
{
uint8_t *array = buf;
static uint8_t data;
int i;
for (i = 0; i < size; i++)
array[i] = data++;
}
int verify_buf(void *buf, int size)
{
static long long total_bytes;
uint8_t *array = buf;
static uint8_t data;
int i;
for (i = 0; i < size; i++, total_bytes++) {
if (array[i] != data++) {
printf("data verification failed byte %lld\n", total_bytes);
return -1;
}
}
return 0;
}
int do_poll(struct pollfd *fds, int timeout)
{
int ret;
do {
ret = rs_poll(fds, 1, timeout);
} while (!ret);
return ret == 1 ? (fds->revents & (POLLERR | POLLHUP)) : ret;
}
struct rdma_event_channel *create_first_event_channel(void)
{
struct rdma_event_channel *channel;
channel = rdma_create_event_channel();
if (!channel) {
if (errno == ENODEV)
fprintf(stderr, "No RDMA devices were detected\n");
else
perror("failed to create RDMA CM event channel");
}
return channel;
}
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