static int fi_ibv_eq_close(fid_t fid)
{
struct fi_ibv_eq *eq;
struct fi_ibv_eq_entry *entry;
eq = container_of(fid, struct fi_ibv_eq, eq_fid.fid);
if (eq->channel)
rdma_destroy_event_channel(eq->channel);
close(eq->epfd);
fastlock_acquire(&eq->lock);
while(!dlistfd_empty(&eq->list_head)) {
entry = container_of(eq->list_head.list.next, struct fi_ibv_eq_entry, item);
dlistfd_remove(eq->list_head.list.next, &eq->list_head);
free(entry);
}
dlistfd_head_free(&eq->list_head);
fastlock_destroy(&eq->lock);
free(eq);
return 0;
}
static int fi_ibv_eq_close(fid_t fid)
{
struct fi_ibv_eq *eq;
struct fi_ibv_eq_entry *entry;
eq = container_of(fid, struct fi_ibv_eq, eq_fid.fid);
/* TODO: use util code, if possible, and add ref counting */
if (eq->channel)
rdma_destroy_event_channel(eq->channel);
close(eq->epfd);
while (!dlistfd_empty(&eq->list_head)) {
entry = container_of(eq->list_head.list.next,
struct fi_ibv_eq_entry, item);
dlistfd_remove(eq->list_head.list.next, &eq->list_head);
free(entry);
}
dlistfd_head_free(&eq->list_head);
fastlock_destroy(&eq->lock);
free(eq);
return 0;
}
int fi_ibv_eq_open(struct fid_fabric *fabric, struct fi_eq_attr *attr,
struct fid_eq **eq, void *context)
{
struct fi_ibv_eq *_eq;
struct epoll_event event;
int ret;
_eq = calloc(1, sizeof *_eq);
if (!_eq)
return -ENOMEM;
_eq->fab = container_of(fabric, struct fi_ibv_fabric, fabric_fid);
fastlock_init(&_eq->lock);
ret = dlistfd_head_init(&_eq->list_head);
if (ret) {
FI_INFO(&fi_ibv_prov, FI_LOG_EQ, "Unable to initialize dlistfd\n");
goto err1;
}
_eq->epfd = epoll_create1(0);
if (_eq->epfd < 0) {
ret = -errno;
goto err2;
}
memset(&event, 0, sizeof(event));
event.events = EPOLLIN;
if (epoll_ctl(_eq->epfd, EPOLL_CTL_ADD,
_eq->list_head.signal.fd[FI_READ_FD], &event)) {
ret = -errno;
goto err3;
}
switch (attr->wait_obj) {
case FI_WAIT_NONE:
case FI_WAIT_UNSPEC:
case FI_WAIT_FD:
_eq->channel = rdma_create_event_channel();
if (!_eq->channel) {
ret = -errno;
goto err3;
}
ret = fi_fd_nonblock(_eq->channel->fd);
if (ret)
goto err4;
if (epoll_ctl(_eq->epfd, EPOLL_CTL_ADD, _eq->channel->fd, &event)) {
ret = -errno;
goto err4;
}
break;
default:
ret = -FI_ENOSYS;
goto err1;
}
_eq->flags = attr->flags;
_eq->eq_fid.fid.fclass = FI_CLASS_EQ;
_eq->eq_fid.fid.context = context;
_eq->eq_fid.fid.ops = &fi_ibv_eq_fi_ops;
_eq->eq_fid.ops = &fi_ibv_eq_ops;
*eq = &_eq->eq_fid;
return 0;
err4:
if (_eq->channel)
rdma_destroy_event_channel(_eq->channel);
err3:
close(_eq->epfd);
err2:
dlistfd_head_free(&_eq->list_head);
err1:
fastlock_destroy(&_eq->lock);
free(_eq);
return ret;
}
