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diff --git a/exec/totemiba.c b/exec/totemiba.c
index a16f88a3..008018a9 100644
--- a/exec/totemiba.c
+++ b/exec/totemiba.c
@@ -1,1557 +1,1559 @@
/*
* Copyright (c) 2009 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Steven Dake (sdake@redhat.com)
* This software licensed under BSD license, the text of which follows:
*
* 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.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <assert.h>
#include <pthread.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/un.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sched.h>
#include <time.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <rdma/rdma_cma.h>
#include <assert.h>
#include <errno.h>
#include <corosync/sq.h>
#include <corosync/list.h>
#include <corosync/hdb.h>
#include <corosync/swab.h>
#include <qb/qbdefs.h>
#include <qb/qbloop.h>
#define LOGSYS_UTILS_ONLY 1
#include <corosync/engine/logsys.h>
#include "totemiba.h"
#include "wthread.h"
#define COMPLETION_QUEUE_ENTRIES 100
#define TOTAL_READ_POSTS 100
#define MAX_MTU_SIZE 4096
struct totemiba_instance {
struct sockaddr bind_addr;
struct sockaddr send_token_bind_addr;
struct sockaddr mcast_addr;
struct sockaddr token_addr;
struct sockaddr local_mcast_bind_addr;
struct totem_interface *totem_interface;
struct totem_config *totem_config;
void (*totemiba_iface_change_fn) (
void *context,
const struct totem_ip_address *iface_address);
void (*totemiba_deliver_fn) (
void *context,
const void *msg,
unsigned int msg_len);
void (*totemiba_target_set_completed) (
void *context);
void *rrp_context;
qb_loop_timer_handle timer_netif_check_timeout;
qb_loop_t *totemiba_poll_handle;
struct totem_ip_address my_id;
struct rdma_event_channel *mcast_channel;
struct rdma_cm_id *mcast_cma_id;
struct ibv_pd *mcast_pd;
struct sockaddr mcast_dest_addr;
uint32_t mcast_qpn;
uint32_t mcast_qkey;
struct ibv_ah *mcast_ah;
struct ibv_comp_channel *mcast_send_completion_channel;
struct ibv_comp_channel *mcast_recv_completion_channel;
struct ibv_cq *mcast_send_cq;
struct ibv_cq *mcast_recv_cq;
int recv_token_accepted;
struct rdma_event_channel *recv_token_channel;
struct rdma_event_channel *listen_recv_token_channel;
struct rdma_cm_id *listen_recv_token_cma_id;
struct rdma_cm_id *recv_token_cma_id;
struct ibv_pd *recv_token_pd;
struct sockaddr recv_token_dest_addr;
struct ibv_comp_channel *recv_token_send_completion_channel;
struct ibv_comp_channel *recv_token_recv_completion_channel;
struct ibv_cq *recv_token_send_cq;
struct ibv_cq *recv_token_recv_cq;
int send_token_bound;
struct rdma_event_channel *send_token_channel;
struct rdma_cm_id *send_token_cma_id;
struct ibv_pd *send_token_pd;
struct sockaddr send_token_dest_addr;
uint32_t send_token_qpn;
uint32_t send_token_qkey;
struct ibv_ah *send_token_ah;
struct ibv_comp_channel *send_token_send_completion_channel;
struct ibv_comp_channel *send_token_recv_completion_channel;
struct ibv_cq *send_token_send_cq;
struct ibv_cq *send_token_recv_cq;
- void (*totemiba_log_printf) (
- unsigned int rec_ident,
+ void (*totemiba_log_printf) (
+ int level,
+ int subsys,
const char *function,
const char *file,
int line,
const char *format,
- ...)__attribute__((format(printf, 5, 6)));
+ ...)__attribute__((format(printf, 6, 7)));
+
int totemiba_subsys_id;
struct list_head mcast_send_buf_free;
struct list_head token_send_buf_free;
struct list_head mcast_send_buf_head;
struct list_head token_send_buf_head;
struct list_head recv_token_recv_buf_head;
};
union u {
uint64_t wr_id;
void *v;
};
#define log_printf(level, format, args...) \
do { \
instance->totemiba_log_printf ( \
level, \
instance->totemiba_subsys_id, \
__FUNCTION__, __FILE__, __LINE__, \
(const char *)format, ##args); \
} while (0);
struct recv_buf {
struct list_head list_all;
struct ibv_recv_wr recv_wr;
struct ibv_sge sge;
struct ibv_mr *mr;
char buffer[MAX_MTU_SIZE];
};
struct send_buf {
struct list_head list_free;
struct list_head list_all;
struct ibv_mr *mr;
char buffer[MAX_MTU_SIZE];
};
static hdb_handle_t
void2wrid (void *v) { union u u; u.v = v; return u.wr_id; }
static void *
wrid2void (uint64_t wr_id) { union u u; u.wr_id = wr_id; return u.v; }
static void totemiba_instance_initialize (struct totemiba_instance *instance)
{
memset (instance, 0, sizeof (struct totemiba_instance));
list_init (&instance->mcast_send_buf_free);
list_init (&instance->token_send_buf_free);
list_init (&instance->mcast_send_buf_head);
list_init (&instance->token_send_buf_head);
list_init (&instance->recv_token_recv_buf_head);
}
static inline struct send_buf *mcast_send_buf_get (
struct totemiba_instance *instance)
{
struct send_buf *send_buf;
if (list_empty (&instance->mcast_send_buf_free) == 0) {
send_buf = list_entry (instance->mcast_send_buf_free.next, struct send_buf, list_free);
list_del (&send_buf->list_free);
return (send_buf);
}
send_buf = malloc (sizeof (struct send_buf));
if (send_buf == NULL) {
return (NULL);
}
send_buf->mr = ibv_reg_mr (instance->mcast_pd,
send_buf->buffer,
2048, IBV_ACCESS_LOCAL_WRITE);
if (send_buf->mr == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't register memory range\n");
free (send_buf);
return (NULL);
}
list_init (&send_buf->list_all);
list_add_tail (&send_buf->list_all, &instance->mcast_send_buf_head);
return (send_buf);
}
static inline void mcast_send_buf_put (
struct totemiba_instance *instance,
struct send_buf *send_buf)
{
list_init (&send_buf->list_free);
list_add_tail (&send_buf->list_free, &instance->mcast_send_buf_free);
}
static inline struct send_buf *token_send_buf_get (
struct totemiba_instance *instance)
{
struct send_buf *send_buf;
if (list_empty (&instance->token_send_buf_free) == 0) {
send_buf = list_entry (instance->token_send_buf_free.next, struct send_buf, list_free);
list_del (&send_buf->list_free);
return (send_buf);
}
send_buf = malloc (sizeof (struct send_buf));
if (send_buf == NULL) {
return (NULL);
}
send_buf->mr = ibv_reg_mr (instance->send_token_pd,
send_buf->buffer,
2048, IBV_ACCESS_LOCAL_WRITE);
if (send_buf->mr == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't register memory range\n");
free (send_buf);
return (NULL);
}
list_init (&send_buf->list_all);
list_add_tail (&send_buf->list_all, &instance->token_send_buf_head);
return (send_buf);
}
static inline void token_send_buf_destroy (struct totemiba_instance *instance)
{
struct list_head *list;
struct send_buf *send_buf;
for (list = instance->token_send_buf_head.next; list != &instance->token_send_buf_head;) {
send_buf = list_entry (list, struct send_buf, list_all);
list = list->next;
ibv_dereg_mr (send_buf->mr);
free (send_buf);
}
list_init (&instance->token_send_buf_free);
list_init (&instance->token_send_buf_head);
}
static inline void token_send_buf_put (
struct totemiba_instance *instance,
struct send_buf *send_buf)
{
list_init (&send_buf->list_free);
list_add_tail (&send_buf->list_free, &instance->token_send_buf_free);
}
static inline struct recv_buf *recv_token_recv_buf_create (
struct totemiba_instance *instance)
{
struct recv_buf *recv_buf;
recv_buf = malloc (sizeof (struct recv_buf));
if (recv_buf == NULL) {
return (NULL);
}
recv_buf->mr = ibv_reg_mr (instance->recv_token_pd, &recv_buf->buffer,
2048,
IBV_ACCESS_LOCAL_WRITE);
recv_buf->recv_wr.next = NULL;
recv_buf->recv_wr.sg_list = &recv_buf->sge;
recv_buf->recv_wr.num_sge = 1;
recv_buf->recv_wr.wr_id = (uintptr_t)recv_buf;
recv_buf->sge.length = 2048;
recv_buf->sge.lkey = recv_buf->mr->lkey;
recv_buf->sge.addr = (uintptr_t)recv_buf->buffer;
list_init (&recv_buf->list_all);
list_add (&recv_buf->list_all, &instance->recv_token_recv_buf_head);
return (recv_buf);
}
static inline int recv_token_recv_buf_post (struct totemiba_instance *instance, struct recv_buf *recv_buf)
{
struct ibv_recv_wr *fail_recv;
int res;
res = ibv_post_recv (instance->recv_token_cma_id->qp, &recv_buf->recv_wr, &fail_recv);
return (res);
}
static inline void recv_token_recv_buf_post_initial (struct totemiba_instance *instance)
{
struct recv_buf *recv_buf;
unsigned int i;
for (i = 0; i < TOTAL_READ_POSTS; i++) {
recv_buf = recv_token_recv_buf_create (instance);
recv_token_recv_buf_post (instance, recv_buf);
}
}
static inline void recv_token_recv_buf_post_destroy (
struct totemiba_instance *instance)
{
struct recv_buf *recv_buf;
struct list_head *list;
for (list = instance->recv_token_recv_buf_head.next;
list != &instance->recv_token_recv_buf_head;) {
recv_buf = list_entry (list, struct recv_buf, list_all);
list = list->next;
ibv_dereg_mr (recv_buf->mr);
free (recv_buf);
}
list_init (&instance->recv_token_recv_buf_head);
}
static inline struct recv_buf *mcast_recv_buf_create (struct totemiba_instance *instance)
{
struct recv_buf *recv_buf;
struct ibv_mr *mr;
recv_buf = malloc (sizeof (struct recv_buf));
if (recv_buf == NULL) {
return (NULL);
}
mr = ibv_reg_mr (instance->mcast_pd, &recv_buf->buffer,
2048,
IBV_ACCESS_LOCAL_WRITE);
recv_buf->recv_wr.next = NULL;
recv_buf->recv_wr.sg_list = &recv_buf->sge;
recv_buf->recv_wr.num_sge = 1;
recv_buf->recv_wr.wr_id = (uintptr_t)recv_buf;
recv_buf->sge.length = 2048;
recv_buf->sge.lkey = mr->lkey;
recv_buf->sge.addr = (uintptr_t)recv_buf->buffer;
return (recv_buf);
}
static inline int mcast_recv_buf_post (struct totemiba_instance *instance, struct recv_buf *recv_buf)
{
struct ibv_recv_wr *fail_recv;
int res;
res = ibv_post_recv (instance->mcast_cma_id->qp, &recv_buf->recv_wr, &fail_recv);
return (res);
}
static inline void mcast_recv_buf_post_initial (struct totemiba_instance *instance)
{
struct recv_buf *recv_buf;
unsigned int i;
for (i = 0; i < TOTAL_READ_POSTS; i++) {
recv_buf = mcast_recv_buf_create (instance);
mcast_recv_buf_post (instance, recv_buf);
}
}
static inline void iba_deliver_fn (struct totemiba_instance *instance, uint64_t wr_id, uint32_t bytes)
{
const char *addr;
const struct recv_buf *recv_buf;
recv_buf = wrid2void(wr_id);
addr = &recv_buf->buffer[sizeof (struct ibv_grh)];
instance->totemiba_deliver_fn (instance->rrp_context, addr, bytes);
}
static int mcast_cq_send_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct ibv_wc wc[32];
struct ibv_cq *ev_cq;
void *ev_ctx;
int res;
int i;
ibv_get_cq_event (instance->mcast_send_completion_channel, &ev_cq, &ev_ctx);
ibv_ack_cq_events (ev_cq, 1);
res = ibv_req_notify_cq (ev_cq, 0);
res = ibv_poll_cq (instance->mcast_send_cq, 32, wc);
if (res > 0) {
for (i = 0; i < res; i++) {
mcast_send_buf_put (instance, wrid2void(wc[i].wr_id));
}
}
return (0);
}
static int mcast_cq_recv_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct ibv_wc wc[64];
struct ibv_cq *ev_cq;
void *ev_ctx;
int res;
int i;
ibv_get_cq_event (instance->mcast_recv_completion_channel, &ev_cq, &ev_ctx);
ibv_ack_cq_events (ev_cq, 1);
res = ibv_req_notify_cq (ev_cq, 0);
res = ibv_poll_cq (instance->mcast_recv_cq, 64, wc);
if (res > 0) {
for (i = 0; i < res; i++) {
iba_deliver_fn (instance, wc[i].wr_id, wc[i].byte_len);
mcast_recv_buf_post (instance, wrid2void(wc[i].wr_id));
}
}
return (0);
}
static int mcast_rdma_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct rdma_cm_event *event;
int res;
res = rdma_get_cm_event (instance->mcast_channel, &event);
if (res != 0) {
return (0);
}
switch (event->event) {
/*
* occurs when we resolve the multicast address
*/
case RDMA_CM_EVENT_ADDR_RESOLVED:
rdma_join_multicast (instance->mcast_cma_id, &instance->mcast_addr, instance);
break;
/*
* occurs when the CM joins the multicast group
*/
case RDMA_CM_EVENT_MULTICAST_JOIN:
instance->mcast_qpn = event->param.ud.qp_num;
instance->mcast_qkey = event->param.ud.qkey;
instance->mcast_ah = ibv_create_ah (instance->mcast_pd, &event->param.ud.ah_attr);
instance->totemiba_iface_change_fn (instance->rrp_context, &instance->my_id);
break;
case RDMA_CM_EVENT_ADDR_ERROR:
case RDMA_CM_EVENT_ROUTE_ERROR:
case RDMA_CM_EVENT_MULTICAST_ERROR:
log_printf (LOGSYS_LEVEL_ERROR, "multicast error\n");
break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
break;
default:
log_printf (LOGSYS_LEVEL_ERROR, "default %d\n", event->event);
break;
}
rdma_ack_cm_event (event);
return (0);
}
static int recv_token_cq_send_event_fn (hdb_handle_t poll_handle, int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct ibv_wc wc[32];
struct ibv_cq *ev_cq;
void *ev_ctx;
int res;
int i;
ibv_get_cq_event (instance->recv_token_send_completion_channel, &ev_cq, &ev_ctx);
ibv_ack_cq_events (ev_cq, 1);
res = ibv_req_notify_cq (ev_cq, 0);
res = ibv_poll_cq (instance->recv_token_send_cq, 32, wc);
if (res > 0) {
for (i = 0; i < res; i++) {
iba_deliver_fn (instance, wc[i].wr_id, wc[i].byte_len);
ibv_dereg_mr (wrid2void(wc[i].wr_id));
}
}
return (0);
}
static int recv_token_cq_recv_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct ibv_wc wc[32];
struct ibv_cq *ev_cq;
void *ev_ctx;
int res;
int i;
ibv_get_cq_event (instance->recv_token_recv_completion_channel, &ev_cq, &ev_ctx);
ibv_ack_cq_events (ev_cq, 1);
res = ibv_req_notify_cq (ev_cq, 0);
res = ibv_poll_cq (instance->recv_token_recv_cq, 32, wc);
if (res > 0) {
for (i = 0; i < res; i++) {
iba_deliver_fn (instance, wc[i].wr_id, wc[i].byte_len);
recv_token_recv_buf_post (instance, wrid2void(wc[i].wr_id));
}
}
return (0);
}
static int recv_token_accept_destroy (struct totemiba_instance *instance)
{
if (instance->recv_token_accepted == 0) {
return (0);
}
rdma_destroy_qp (instance->recv_token_cma_id);
recv_token_recv_buf_post_destroy (instance);
ibv_destroy_cq (instance->recv_token_send_cq);
ibv_destroy_cq (instance->recv_token_recv_cq);
ibv_destroy_comp_channel (instance->recv_token_send_completion_channel);
ibv_destroy_comp_channel (instance->recv_token_recv_completion_channel);
ibv_dealloc_pd (instance->recv_token_pd);
rdma_destroy_id (instance->recv_token_cma_id);
qb_loop_poll_del (
instance->totemiba_poll_handle,
instance->recv_token_recv_completion_channel->fd);
qb_loop_poll_del (
instance->totemiba_poll_handle,
instance->recv_token_send_completion_channel->fd);
return (0);
}
static int recv_token_accept_setup (struct totemiba_instance *instance)
{
struct ibv_qp_init_attr init_qp_attr;
int res = 0;
/*
* Allocate the protection domain
*/
instance->recv_token_pd = ibv_alloc_pd (instance->recv_token_cma_id->verbs);
/*
* Create a completion channel
*/
instance->recv_token_recv_completion_channel = ibv_create_comp_channel (instance->recv_token_cma_id->verbs);
if (instance->recv_token_recv_completion_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion channel\n");
return (-1);
}
/*
* Create the completion queue
*/
instance->recv_token_recv_cq = ibv_create_cq (instance->recv_token_cma_id->verbs,
COMPLETION_QUEUE_ENTRIES, instance,
instance->recv_token_recv_completion_channel, 0);
if (instance->recv_token_recv_cq == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion queue\n");
return (-1);
}
res = ibv_req_notify_cq (instance->recv_token_recv_cq, 0);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't request notifications of the completion queue\n");
return (-1);
}
/*
* Create a completion channel
*/
instance->recv_token_send_completion_channel = ibv_create_comp_channel (instance->recv_token_cma_id->verbs);
if (instance->recv_token_send_completion_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion channel\n");
return (-1);
}
/*
* Create the completion queue
*/
instance->recv_token_send_cq = ibv_create_cq (instance->recv_token_cma_id->verbs,
COMPLETION_QUEUE_ENTRIES, instance,
instance->recv_token_send_completion_channel, 0);
if (instance->recv_token_send_cq == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion queue\n");
return (-1);
}
res = ibv_req_notify_cq (instance->recv_token_send_cq, 0);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't request notifications of the completion queue\n");
return (-1);
}
memset (&init_qp_attr, 0, sizeof (struct ibv_qp_init_attr));
init_qp_attr.cap.max_send_wr = 50;
init_qp_attr.cap.max_recv_wr = TOTAL_READ_POSTS;
init_qp_attr.cap.max_send_sge = 1;
init_qp_attr.cap.max_recv_sge = 1;
init_qp_attr.qp_context = instance;
init_qp_attr.sq_sig_all = 0;
init_qp_attr.qp_type = IBV_QPT_UD;
init_qp_attr.send_cq = instance->recv_token_send_cq;
init_qp_attr.recv_cq = instance->recv_token_recv_cq;
res = rdma_create_qp (instance->recv_token_cma_id, instance->recv_token_pd,
&init_qp_attr);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create queue pair\n");
return (-1);
}
recv_token_recv_buf_post_initial (instance);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->recv_token_recv_completion_channel->fd,
POLLIN, instance, recv_token_cq_recv_event_fn);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->recv_token_send_completion_channel->fd,
POLLIN, instance, recv_token_cq_send_event_fn);
instance->recv_token_accepted = 1;
return (res);
};
static int recv_token_rdma_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct rdma_cm_event *event;
struct rdma_conn_param conn_param;
int res;
res = rdma_get_cm_event (instance->listen_recv_token_channel, &event);
if (res != 0) {
return (0);
}
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
recv_token_accept_destroy (instance);
instance->recv_token_cma_id = event->id;
recv_token_accept_setup (instance);
memset (&conn_param, 0, sizeof (struct rdma_conn_param));
conn_param.qp_num = instance->recv_token_cma_id->qp->qp_num;
res = rdma_accept (instance->recv_token_cma_id, &conn_param);
break;
default:
log_printf (LOGSYS_LEVEL_ERROR, "default %d\n", event->event);
break;
}
res = rdma_ack_cm_event (event);
return (0);
}
static int send_token_cq_send_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct ibv_wc wc[32];
struct ibv_cq *ev_cq;
void *ev_ctx;
int res;
int i;
ibv_get_cq_event (instance->send_token_send_completion_channel, &ev_cq, &ev_ctx);
ibv_ack_cq_events (ev_cq, 1);
res = ibv_req_notify_cq (ev_cq, 0);
res = ibv_poll_cq (instance->send_token_send_cq, 32, wc);
if (res > 0) {
for (i = 0; i < res; i++) {
token_send_buf_put (instance, wrid2void(wc[i].wr_id));
}
}
return (0);
}
static int send_token_cq_recv_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct ibv_wc wc[32];
struct ibv_cq *ev_cq;
void *ev_ctx;
int res;
int i;
ibv_get_cq_event (instance->send_token_recv_completion_channel, &ev_cq, &ev_ctx);
ibv_ack_cq_events (ev_cq, 1);
res = ibv_req_notify_cq (ev_cq, 0);
res = ibv_poll_cq (instance->send_token_recv_cq, 32, wc);
if (res > 0) {
for (i = 0; i < res; i++) {
iba_deliver_fn (instance, wc[i].wr_id, wc[i].byte_len);
}
}
return (0);
}
static int send_token_rdma_event_fn (int events, int suck, void *context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)context;
struct rdma_cm_event *event;
struct rdma_conn_param conn_param;
int res;
res = rdma_get_cm_event (instance->send_token_channel, &event);
if (res != 0) {
return (0);
}
switch (event->event) {
/*
* occurs when we resolve the multicast address
*/
case RDMA_CM_EVENT_ADDR_RESOLVED:
res = rdma_resolve_route (instance->send_token_cma_id, 2000);
break;
/*
* occurs when the CM joins the multicast group
*/
case RDMA_CM_EVENT_ROUTE_RESOLVED:
memset (&conn_param, 0, sizeof (struct rdma_conn_param));
conn_param.private_data = NULL;
conn_param.private_data_len = 0;
res = rdma_connect (instance->send_token_cma_id, &conn_param);
break;
case RDMA_CM_EVENT_ESTABLISHED:
instance->send_token_qpn = event->param.ud.qp_num;
instance->send_token_qkey = event->param.ud.qkey;
instance->send_token_ah = ibv_create_ah (instance->send_token_pd, &event->param.ud.ah_attr);
instance->totemiba_target_set_completed (instance->rrp_context);
break;
case RDMA_CM_EVENT_ADDR_ERROR:
case RDMA_CM_EVENT_ROUTE_ERROR:
case RDMA_CM_EVENT_MULTICAST_ERROR:
log_printf (LOGSYS_LEVEL_ERROR,
"send_token_rdma_event_fn multicast error\n");
break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
break;
case RDMA_CM_EVENT_UNREACHABLE:
log_printf (LOGSYS_LEVEL_ERROR,
"send_token_rdma_event_fn unreachable\n");
break;
default:
log_printf (LOGSYS_LEVEL_ERROR,
"send_token_rdma_event_fn unknown event %d\n",
event->event);
break;
}
rdma_ack_cm_event (event);
return (0);
}
static int send_token_bind (struct totemiba_instance *instance)
{
int res;
struct ibv_qp_init_attr init_qp_attr;
instance->send_token_channel = rdma_create_event_channel();
if (instance->send_token_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create rdma channel\n");
return (-1);
}
res = rdma_create_id (instance->send_token_channel,
&instance->send_token_cma_id, NULL, RDMA_PS_UDP);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error creating send_token_cma_id\n");
return (-1);
}
res = rdma_bind_addr (instance->send_token_cma_id,
&instance->send_token_bind_addr);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error doing rdma_bind_addr for send token\n");
return (-1);
}
/*
* Resolve the send_token address into a GUID
*/
res = rdma_resolve_addr (instance->send_token_cma_id,
&instance->bind_addr, &instance->token_addr, 2000);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error resolving send token address %d %d\n", res, errno);
return (-1);
}
/*
* Allocate the protection domain
*/
instance->send_token_pd = ibv_alloc_pd (instance->send_token_cma_id->verbs);
/*
* Create a completion channel
*/
instance->send_token_recv_completion_channel = ibv_create_comp_channel (instance->send_token_cma_id->verbs);
if (instance->send_token_recv_completion_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion channel\n");
return (-1);
}
/*
* Create the completion queue
*/
instance->send_token_recv_cq = ibv_create_cq (instance->send_token_cma_id->verbs,
COMPLETION_QUEUE_ENTRIES, instance,
instance->send_token_recv_completion_channel, 0);
if (instance->send_token_recv_cq == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion queue\n");
return (-1);
}
res = ibv_req_notify_cq (instance->send_token_recv_cq, 0);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR,
"couldn't request notifications of the completion queue\n");
return (-1);
}
/*
* Create a completion channel
*/
instance->send_token_send_completion_channel =
ibv_create_comp_channel (instance->send_token_cma_id->verbs);
if (instance->send_token_send_completion_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion channel\n");
return (-1);
}
/*
* Create the completion queue
*/
instance->send_token_send_cq = ibv_create_cq (
instance->send_token_cma_id->verbs,
COMPLETION_QUEUE_ENTRIES, instance,
instance->send_token_send_completion_channel, 0);
if (instance->send_token_send_cq == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion queue\n");
return (-1);
}
res = ibv_req_notify_cq (instance->send_token_send_cq, 0);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR,
"couldn't request notifications of the completion queue\n");
return (-1);
}
memset (&init_qp_attr, 0, sizeof (struct ibv_qp_init_attr));
init_qp_attr.cap.max_send_wr = 50;
init_qp_attr.cap.max_recv_wr = TOTAL_READ_POSTS;
init_qp_attr.cap.max_send_sge = 1;
init_qp_attr.cap.max_recv_sge = 1;
init_qp_attr.qp_context = instance;
init_qp_attr.sq_sig_all = 0;
init_qp_attr.qp_type = IBV_QPT_UD;
init_qp_attr.send_cq = instance->send_token_send_cq;
init_qp_attr.recv_cq = instance->send_token_recv_cq;
res = rdma_create_qp (instance->send_token_cma_id,
instance->send_token_pd, &init_qp_attr);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create queue pair\n");
return (-1);
}
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->send_token_recv_completion_channel->fd,
POLLIN, instance, send_token_cq_recv_event_fn);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->send_token_send_completion_channel->fd,
POLLIN, instance, send_token_cq_send_event_fn);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->send_token_channel->fd,
POLLIN, instance, send_token_rdma_event_fn);
instance->send_token_bound = 1;
return (0);
}
static int send_token_unbind (struct totemiba_instance *instance)
{
if (instance->send_token_bound == 0) {
return (0);
}
qb_loop_poll_del (
instance->totemiba_poll_handle,
instance->send_token_recv_completion_channel->fd);
qb_loop_poll_del (
instance->totemiba_poll_handle,
instance->send_token_send_completion_channel->fd);
qb_loop_poll_del (
instance->totemiba_poll_handle,
instance->send_token_channel->fd);
rdma_destroy_qp (instance->send_token_cma_id);
ibv_destroy_cq (instance->send_token_send_cq);
ibv_destroy_cq (instance->send_token_recv_cq);
ibv_destroy_comp_channel (instance->send_token_send_completion_channel);
ibv_destroy_comp_channel (instance->send_token_recv_completion_channel);
token_send_buf_destroy (instance);
ibv_dealloc_pd (instance->send_token_pd);
rdma_destroy_id (instance->send_token_cma_id);
rdma_destroy_event_channel (instance->send_token_channel);
return (0);
}
static int recv_token_bind (struct totemiba_instance *instance)
{
int res;
instance->listen_recv_token_channel = rdma_create_event_channel();
if (instance->listen_recv_token_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create rdma channel\n");
return (-1);
}
res = rdma_create_id (instance->listen_recv_token_channel,
&instance->listen_recv_token_cma_id, NULL, RDMA_PS_UDP);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error creating recv_token_cma_id\n");
return (-1);
}
res = rdma_bind_addr (instance->listen_recv_token_cma_id,
&instance->bind_addr);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error doing rdma_bind_addr for recv token\n");
return (-1);
}
/*
* Resolve the recv_token address into a GUID
*/
res = rdma_listen (instance->listen_recv_token_cma_id, 10);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error listening %d %d\n", res, errno);
return (-1);
}
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->listen_recv_token_channel->fd,
POLLIN, instance, recv_token_rdma_event_fn);
return (0);
}
static int mcast_bind (struct totemiba_instance *instance)
{
int res;
struct ibv_qp_init_attr init_qp_attr;
instance->mcast_channel = rdma_create_event_channel();
if (instance->mcast_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create rdma channel\n");
return (-1);
}
res = rdma_create_id (instance->mcast_channel, &instance->mcast_cma_id, NULL, RDMA_PS_UDP);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error creating mcast_cma_id\n");
return (-1);
}
res = rdma_bind_addr (instance->mcast_cma_id, &instance->local_mcast_bind_addr);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error doing rdma_bind_addr for mcast\n");
return (-1);
}
/*
* Resolve the multicast address into a GUID
*/
res = rdma_resolve_addr (instance->mcast_cma_id, &instance->local_mcast_bind_addr,
&instance->mcast_addr, 5000);
if (res) {
log_printf (LOGSYS_LEVEL_ERROR, "error resolving multicast address %d %d\n", res, errno);
return (-1);
}
/*
* Allocate the protection domain
*/
instance->mcast_pd = ibv_alloc_pd (instance->mcast_cma_id->verbs);
/*
* Create a completion channel
*/
instance->mcast_recv_completion_channel = ibv_create_comp_channel (instance->mcast_cma_id->verbs);
if (instance->mcast_recv_completion_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion channel\n");
return (-1);
}
/*
* Create the completion queue
*/
instance->mcast_recv_cq = ibv_create_cq (instance->mcast_cma_id->verbs,
COMPLETION_QUEUE_ENTRIES, instance,
instance->mcast_recv_completion_channel, 0);
if (instance->mcast_recv_cq == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion queue\n");
return (-1);
}
res = ibv_req_notify_cq (instance->mcast_recv_cq, 0);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't request notifications of the completion queue\n");
return (-1);
}
/*
* Create a completion channel
*/
instance->mcast_send_completion_channel = ibv_create_comp_channel (instance->mcast_cma_id->verbs);
if (instance->mcast_send_completion_channel == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion channel\n");
return (-1);
}
/*
* Create the completion queue
*/
instance->mcast_send_cq = ibv_create_cq (instance->mcast_cma_id->verbs,
COMPLETION_QUEUE_ENTRIES, instance,
instance->mcast_send_completion_channel, 0);
if (instance->mcast_send_cq == NULL) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create completion queue\n");
return (-1);
}
res = ibv_req_notify_cq (instance->mcast_send_cq, 0);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't request notifications of the completion queue\n");
return (-1);
}
memset (&init_qp_attr, 0, sizeof (struct ibv_qp_init_attr));
init_qp_attr.cap.max_send_wr = 50;
init_qp_attr.cap.max_recv_wr = TOTAL_READ_POSTS;
init_qp_attr.cap.max_send_sge = 1;
init_qp_attr.cap.max_recv_sge = 1;
init_qp_attr.qp_context = instance;
init_qp_attr.sq_sig_all = 0;
init_qp_attr.qp_type = IBV_QPT_UD;
init_qp_attr.send_cq = instance->mcast_send_cq;
init_qp_attr.recv_cq = instance->mcast_recv_cq;
res = rdma_create_qp (instance->mcast_cma_id, instance->mcast_pd,
&init_qp_attr);
if (res != 0) {
log_printf (LOGSYS_LEVEL_ERROR, "couldn't create queue pair\n");
return (-1);
}
mcast_recv_buf_post_initial (instance);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->mcast_recv_completion_channel->fd,
POLLIN, instance, mcast_cq_recv_event_fn);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->mcast_send_completion_channel->fd,
POLLIN, instance, mcast_cq_send_event_fn);
qb_loop_poll_add (
instance->totemiba_poll_handle,
QB_LOOP_MED,
instance->mcast_channel->fd,
POLLIN, instance, mcast_rdma_event_fn);
return (0);
}
static void timer_function_netif_check_timeout (
void *data)
{
struct totemiba_instance *instance = (struct totemiba_instance *)data;
int res;
int interface_up;
int interface_num;
int addr_len;
totemip_iface_check (&instance->totem_interface->bindnet,
&instance->totem_interface->boundto, &interface_up, &interface_num, instance->totem_config->clear_node_high_bit);
totemip_totemip_to_sockaddr_convert(&instance->totem_interface->boundto,
instance->totem_interface->ip_port, (struct sockaddr_storage *)&instance->bind_addr,
&addr_len);
totemip_totemip_to_sockaddr_convert(&instance->totem_interface->boundto,
0, (struct sockaddr_storage *)&instance->send_token_bind_addr,
&addr_len);
totemip_totemip_to_sockaddr_convert(&instance->totem_interface->boundto,
0, (struct sockaddr_storage *)&instance->local_mcast_bind_addr,
&addr_len);
totemip_totemip_to_sockaddr_convert(&instance->totem_interface->boundto,
instance->totem_interface->ip_port, (struct sockaddr_storage *)&instance->my_id,
&addr_len);
totemip_sockaddr_to_totemip_convert(
(const struct sockaddr_storage *)&instance->bind_addr,
&instance->my_id);
memcpy (&instance->my_id, &instance->totem_interface->boundto,
sizeof (struct totem_ip_address));
totemip_totemip_to_sockaddr_convert(&instance->totem_interface->mcast_addr,
instance->totem_interface->ip_port,
(struct sockaddr_storage *)&instance->mcast_addr, &addr_len);
res = recv_token_bind (instance);
res = mcast_bind (instance);
}
int totemiba_crypto_set (
void *iba_context,
unsigned int type)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}
int totemiba_finalize (
void *iba_context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}
/*
* Create an instance
*/
int totemiba_initialize (
qb_loop_t *qb_poll_handle,
void **iba_context,
struct totem_config *totem_config,
int interface_no,
void *context,
void (*deliver_fn) (
void *context,
const void *msg,
unsigned int msg_len),
void (*iface_change_fn) (
void *context,
const struct totem_ip_address *iface_address),
void (*target_set_completed) (
void *context))
{
struct totemiba_instance *instance;
int res = 0;
instance = malloc (sizeof (struct totemiba_instance));
if (instance == NULL) {
return (-1);
}
totemiba_instance_initialize (instance);
instance->totem_interface = &totem_config->interfaces[interface_no];
instance->totemiba_poll_handle = qb_poll_handle;
instance->totemiba_deliver_fn = deliver_fn;
instance->totemiba_target_set_completed = target_set_completed;
instance->totemiba_iface_change_fn = iface_change_fn;
instance->totem_config = totem_config;
instance->rrp_context = context;
qb_loop_timer_add (instance->totemiba_poll_handle,
QB_LOOP_MED,
100*QB_TIME_NS_IN_MSEC,
(void *)instance,
timer_function_netif_check_timeout,
&instance->timer_netif_check_timeout);
instance->totemiba_subsys_id = totem_config->totem_logging_configuration.log_subsys_id;
instance->totemiba_log_printf = totem_config->totem_logging_configuration.log_printf;
*iba_context = instance;
return (res);
}
void *totemiba_buffer_alloc (void)
{
return malloc (MAX_MTU_SIZE);
}
void totemiba_buffer_release (void *ptr)
{
return free (ptr);
}
int totemiba_processor_count_set (
void *iba_context,
int processor_count)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}
int totemiba_recv_flush (void *iba_context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}
int totemiba_send_flush (void *iba_context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}
int totemiba_token_send (
void *iba_context,
const void *ms,
unsigned int msg_len)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
struct ibv_send_wr send_wr, *failed_send_wr;
struct ibv_sge sge;
void *msg;
struct send_buf *send_buf;
send_buf = token_send_buf_get (instance);
if (send_buf == NULL) {
return (-1);
}
msg = send_buf->buffer;
memcpy (msg, ms, msg_len);
send_wr.next = NULL;
send_wr.sg_list = &sge;
send_wr.num_sge = 1;
send_wr.opcode = IBV_WR_SEND;
send_wr.send_flags = IBV_SEND_SIGNALED;
send_wr.wr_id = void2wrid(send_buf);
send_wr.imm_data = 0;
send_wr.wr.ud.ah = instance->send_token_ah;
send_wr.wr.ud.remote_qpn = instance->send_token_qpn;
send_wr.wr.ud.remote_qkey = instance->send_token_qkey;
sge.length = msg_len;
sge.lkey = send_buf->mr->lkey;
sge.addr = (uintptr_t)msg;
res = ibv_post_send (instance->send_token_cma_id->qp, &send_wr, &failed_send_wr);
return (res);
}
int totemiba_mcast_flush_send (
void *iba_context,
const void *ms,
unsigned int msg_len)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
struct ibv_send_wr send_wr, *failed_send_wr;
struct ibv_sge sge;
void *msg;
struct send_buf *send_buf;
send_buf = mcast_send_buf_get (instance);
if (send_buf == NULL) {
return (-1);
}
msg = send_buf->buffer;
memcpy (msg, ms, msg_len);
send_wr.next = NULL;
send_wr.sg_list = &sge;
send_wr.num_sge = 1;
send_wr.opcode = IBV_WR_SEND;
send_wr.send_flags = IBV_SEND_SIGNALED;
send_wr.wr_id = void2wrid(send_buf);
send_wr.imm_data = 0;
send_wr.wr.ud.ah = instance->mcast_ah;
send_wr.wr.ud.remote_qpn = instance->mcast_qpn;
send_wr.wr.ud.remote_qkey = instance->mcast_qkey;
sge.length = msg_len;
sge.lkey = send_buf->mr->lkey;
sge.addr = (uintptr_t)msg;
res = ibv_post_send (instance->mcast_cma_id->qp, &send_wr, &failed_send_wr);
return (res);
}
int totemiba_mcast_noflush_send (
void *iba_context,
const void *ms,
unsigned int msg_len)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
struct ibv_send_wr send_wr, *failed_send_wr;
struct ibv_sge sge;
void *msg;
struct send_buf *send_buf;
send_buf = mcast_send_buf_get (instance);
if (send_buf == NULL) {
return (-1);
}
msg = send_buf->buffer;
memcpy (msg, ms, msg_len);
send_wr.next = NULL;
send_wr.sg_list = &sge;
send_wr.num_sge = 1;
send_wr.opcode = IBV_WR_SEND;
send_wr.send_flags = IBV_SEND_SIGNALED;
send_wr.wr_id = void2wrid(send_buf);
send_wr.imm_data = 0;
send_wr.wr.ud.ah = instance->mcast_ah;
send_wr.wr.ud.remote_qpn = instance->mcast_qpn;
send_wr.wr.ud.remote_qkey = instance->mcast_qkey;
sge.length = msg_len;
sge.lkey = send_buf->mr->lkey;
sge.addr = (uintptr_t)msg;
res = ibv_post_send (instance->mcast_cma_id->qp, &send_wr, &failed_send_wr);
return (res);
}
extern int totemiba_iface_check (void *iba_context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}
extern void totemiba_net_mtu_adjust (void *iba_context, struct totem_config *totem_config)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
instance = NULL;
}
const char *totemiba_iface_print (void *iba_context) {
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
const char *ret_char;
ret_char = totemip_print (&instance->my_id);
return (ret_char);
}
int totemiba_iface_get (
void *iba_context,
struct totem_ip_address *addr)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
memcpy (addr, &instance->my_id, sizeof (struct totem_ip_address));
return (res);
}
int totemiba_token_target_set (
void *iba_context,
const struct totem_ip_address *token_target)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
int addr_len = 16;
totemip_totemip_to_sockaddr_convert((struct totem_ip_address *)token_target,
instance->totem_interface->ip_port, (struct sockaddr_storage *)&instance->token_addr,
&addr_len);
res = send_token_unbind (instance);
res = send_token_bind (instance);
return (res);
}
extern int totemiba_recv_mcast_empty (
void *iba_context)
{
struct totemiba_instance *instance = (struct totemiba_instance *)iba_context;
int res = 0;
instance = NULL;
return (res);
}

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