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/*
* Copyright (c) 2005-2012 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 <sys/types.h>
#include <endian.h>
#include <poll.h>
#include <time.h>
#include <stdbool.h>
#include <pthread.h>
#include <rdma/rdma_cma.h>
#include <rdma/rsocket.h>
#include <infiniband/ib.h>
/* Defined in common.c; used in all rsocket demos to determine whether to use
* rsocket calls or standard socket calls.
*/
extern int use_rs;
static inline int rs_socket(int f, int t, int p)
{
int fd;
if (!use_rs)
return socket(f, t, p);
fd = rsocket(f, t, p);
if (fd < 0) {
if (t == SOCK_STREAM && errno == ENODEV)
fprintf(stderr, "No RDMA devices were detected\n");
else
perror("rsocket failed");
}
return fd;
}
#define rs_bind(s,a,l) use_rs ? rbind(s,a,l) : bind(s,a,l)
#define rs_listen(s,b) use_rs ? rlisten(s,b) : listen(s,b)
#define rs_connect(s,a,l) use_rs ? rconnect(s,a,l) : connect(s,a,l)
#define rs_accept(s,a,l) use_rs ? raccept(s,a,l) : accept(s,a,l)
#define rs_shutdown(s,h) use_rs ? rshutdown(s,h) : shutdown(s,h)
#define rs_close(s) use_rs ? rclose(s) : close(s)
#define rs_recv(s,b,l,f) use_rs ? rrecv(s,b,l,f) : recv(s,b,l,f)
#define rs_send(s,b,l,f) use_rs ? rsend(s,b,l,f) : send(s,b,l,f)
#define rs_recvfrom(s,b,l,f,a,al) \
use_rs ? rrecvfrom(s,b,l,f,a,al) : recvfrom(s,b,l,f,a,al)
#define rs_sendto(s,b,l,f,a,al) \
use_rs ? rsendto(s,b,l,f,a,al) : sendto(s,b,l,f,a,al)
#define rs_poll(f,n,t) use_rs ? rpoll(f,n,t) : poll(f,n,t)
#define rs_fcntl(s,c,p) use_rs ? rfcntl(s,c,p) : fcntl(s,c,p)
#define rs_setsockopt(s,l,n,v,ol) \
use_rs ? rsetsockopt(s,l,n,v,ol) : setsockopt(s,l,n,v,ol)
#define rs_getsockopt(s,l,n,v,ol) \
use_rs ? rgetsockopt(s,l,n,v,ol) : getsockopt(s,l,n,v,ol)
union socket_addr {
struct sockaddr sa;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
};
enum rs_optimization {
opt_mixed,
opt_latency,
opt_bandwidth
};
int get_rdma_addr(const char *src, const char *dst, const char *port,
struct rdma_addrinfo *hints, struct rdma_addrinfo **rai);
struct oob_root {
int *sock;
int cnt;
};
int sock_recvdata(int sock, void *data, size_t size);
int sock_senddata(int sock, void *data, size_t size);
int oob_try_bind(const char *src_addr, const char *port);
int oob_root_setup(int listen_sock, struct oob_root *root, int cnt);
int oob_leaf_setup(const char *dst_addr, const char *port, int *sock);
int oob_syncup(int sock, char val);
int oob_syncdown(struct oob_root *root, char val);
int oob_gather(struct oob_root *root, void *data, size_t size_per_leaf);
int oob_senddown(struct oob_root *root, void *data, size_t size);
void oob_close_root(struct oob_root *root);
void size_str(char *str, size_t ssize, long long size);
void cnt_str(char *str, size_t ssize, long long cnt);
int size_to_count(int size);
void format_buf(void *buf, int size);
int verify_buf(void *buf, int size);
int do_poll(struct pollfd *fds, int timeout);
struct rdma_event_channel *create_event_channel(void);
static inline uint64_t gettime_ns(void)
{
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
return now.tv_sec * 1000000000 + now.tv_nsec;
}
static inline uint64_t gettime_us(void)
{
return gettime_ns() / 1000;
}
static inline int sleep_us(unsigned int time_us)
{
struct timespec spec;
if (!time_us)
return 0;
spec.tv_sec = 0;
spec.tv_nsec = time_us * 1000;
return nanosleep(&spec, NULL);
}
struct work_item {
struct work_item *next;
void (*work_handler)(struct work_item *item);
};
struct work_queue {
pthread_mutex_t lock;
pthread_cond_t cond;
pthread_t *thread;
int thread_cnt;
bool running;
struct work_item *head;
struct work_item *tail;
};
int wq_init(struct work_queue *wq, int thread_cnt);
void wq_cleanup(struct work_queue *wq);
void wq_insert(struct work_queue *wq, struct work_item *item,
void (*work_handler)(struct work_item *item));
struct work_item *wq_remove(struct work_queue *wq);
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