示例#1
0
static int psmx2_ep_close(fid_t fid)
{
	struct psmx2_fid_ep *ep;
	struct slist_entry *entry;
	struct psmx2_context *item;

	ep = container_of(fid, struct psmx2_fid_ep, ep.fid);

	if (ep->base_ep) {
		atomic_dec(&ep->base_ep->ref);
		return 0;
	}

	if (atomic_get(&ep->ref))
		return -FI_EBUSY;

	ep->domain->eps[ep->vlane] = NULL;
	psmx2_free_vlane(ep->domain, ep->vlane);
	psmx2_domain_release(ep->domain);

	while (!slist_empty(&ep->free_context_list)) {
		entry = slist_remove_head(&ep->free_context_list);
		item = container_of(entry, struct psmx2_context, list_entry);
		free(item);
	}

	fastlock_destroy(&ep->context_lock);

	free(ep);

	return 0;
}
示例#2
0
static int psmx2_ep_close(fid_t fid)
{
	struct psmx2_fid_ep *ep;

	ep = container_of(fid, struct psmx2_fid_ep, ep.fid);

	ep->domain->eps[ep->vlane] = NULL;
	psmx2_free_vlane(ep->domain, ep->vlane);
	psmx2_domain_release(ep->domain);
	free(ep);

	return 0;
}
示例#3
0
int psmx2_ep_open(struct fid_domain *domain, struct fi_info *info,
		  struct fid_ep **ep, void *context)
{
	struct psmx2_fid_domain *domain_priv;
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_context *item;
	uint8_t vlane;
	uint64_t ep_cap;
	int err = -FI_EINVAL;
	int i;

	if (info)
		ep_cap = info->caps;
	else
		ep_cap = FI_TAGGED;

	domain_priv = container_of(domain, struct psmx2_fid_domain, domain.fid);
	if (!domain_priv)
		goto errout;

	err = psmx2_domain_check_features(domain_priv, ep_cap);
	if (err)
		goto errout;

	err = psmx2_alloc_vlane(domain_priv, &vlane);
	if (err)
		goto errout;

	ep_priv = (struct psmx2_fid_ep *) calloc(1, sizeof *ep_priv);
	if (!ep_priv) {
		err = -FI_ENOMEM;
		goto errout_free_vlane;
	}

	ep_priv->ep.fid.fclass = FI_CLASS_EP;
	ep_priv->ep.fid.context = context;
	ep_priv->ep.fid.ops = &psmx2_fi_ops;
	ep_priv->ep.ops = &psmx2_ep_ops;
	ep_priv->ep.cm = &psmx2_cm_ops;
	ep_priv->domain = domain_priv;
	ep_priv->vlane = vlane;

	PSMX2_CTXT_TYPE(&ep_priv->nocomp_send_context) = PSMX2_NOCOMP_SEND_CONTEXT;
	PSMX2_CTXT_EP(&ep_priv->nocomp_send_context) = ep_priv;
	PSMX2_CTXT_TYPE(&ep_priv->nocomp_recv_context) = PSMX2_NOCOMP_RECV_CONTEXT;
	PSMX2_CTXT_EP(&ep_priv->nocomp_recv_context) = ep_priv;

	if (ep_cap & FI_TAGGED)
		ep_priv->ep.tagged = &psmx2_tagged_ops;
	if (ep_cap & FI_MSG)
		ep_priv->ep.msg = &psmx2_msg_ops;
	if (ep_cap & FI_RMA)
		ep_priv->ep.rma = &psmx2_rma_ops;
	if (ep_cap & FI_ATOMICS)
		ep_priv->ep.atomic = &psmx2_atomic_ops;

	ep_priv->caps = ep_cap;

	err = psmx2_domain_enable_ep(domain_priv, ep_priv);
	if (err)
		goto errout_free_ep;

	psmx2_domain_acquire(domain_priv);
	domain_priv->eps[ep_priv->vlane] = ep_priv;

	if (info) {
		if (info->tx_attr)
			ep_priv->flags = info->tx_attr->op_flags;
		if (info->rx_attr)
			ep_priv->flags |= info->rx_attr->op_flags;
	}

	psmx2_ep_optimize_ops(ep_priv);

	slist_init(&ep_priv->free_context_list);
	fastlock_init(&ep_priv->context_lock);

#define PSMX2_FREE_CONTEXT_LIST_SIZE	64
	for (i=0; i<PSMX2_FREE_CONTEXT_LIST_SIZE; i++) {
		item = calloc(1, sizeof(*item));
		if (!item) {
			FI_WARN(&psmx2_prov, FI_LOG_EP_CTRL, "out of memory.\n");
			exit(-1);
		}
		slist_insert_tail(&item->list_entry, &ep_priv->free_context_list);
	}

	*ep = &ep_priv->ep;

	return 0;

errout_free_ep:
	free(ep_priv);

errout_free_vlane:
	psmx2_free_vlane(domain_priv, vlane);

errout:
	return err;
}
示例#4
0
int psmx2_ep_open(struct fid_domain *domain, struct fi_info *info,
		  struct fid_ep **ep, void *context)
{
	struct psmx2_fid_domain *domain_priv;
	struct psmx2_fid_ep *ep_priv;
	uint8_t vlane;
	uint64_t ep_cap;
	int err = -FI_EINVAL;

	if (info)
		ep_cap = info->caps;
	else
		ep_cap = FI_TAGGED;

	domain_priv = container_of(domain, struct psmx2_fid_domain, domain.fid);
	if (!domain_priv)
		goto errout;

	err = psmx2_domain_check_features(domain_priv, ep_cap);
	if (err)
		goto errout;

	err = psmx2_alloc_vlane(domain_priv, &vlane);
	if (err)
		goto errout;

	ep_priv = (struct psmx2_fid_ep *) calloc(1, sizeof *ep_priv);
	if (!ep_priv) {
		err = -FI_ENOMEM;
		goto errout_free_vlane;
	}

	ep_priv->ep.fid.fclass = FI_CLASS_EP;
	ep_priv->ep.fid.context = context;
	ep_priv->ep.fid.ops = &psmx2_fi_ops;
	ep_priv->ep.ops = &psmx2_ep_ops;
	ep_priv->ep.cm = &psmx2_cm_ops;
	ep_priv->domain = domain_priv;
	ep_priv->vlane = vlane;

	PSMX2_CTXT_TYPE(&ep_priv->nocomp_send_context) = PSMX2_NOCOMP_SEND_CONTEXT;
	PSMX2_CTXT_EP(&ep_priv->nocomp_send_context) = ep_priv;
	PSMX2_CTXT_TYPE(&ep_priv->nocomp_recv_context) = PSMX2_NOCOMP_RECV_CONTEXT;
	PSMX2_CTXT_EP(&ep_priv->nocomp_recv_context) = ep_priv;

	if (ep_cap & FI_TAGGED)
		ep_priv->ep.tagged = &psmx2_tagged_ops;
	if (ep_cap & FI_MSG)
		ep_priv->ep.msg = &psmx2_msg_ops;
	if (ep_cap & FI_RMA)
		ep_priv->ep.rma = &psmx2_rma_ops;
	if (ep_cap & FI_ATOMICS)
		ep_priv->ep.atomic = &psmx2_atomic_ops;

	ep_priv->caps = ep_cap;

	err = psmx2_domain_enable_ep(domain_priv, ep_priv);
	if (err)
		goto errout_free_ep;

	psmx2_domain_acquire(domain_priv);
	domain_priv->eps[ep_priv->vlane] = ep_priv;

	if (info) {
		if (info->tx_attr)
			ep_priv->flags = info->tx_attr->op_flags;
		if (info->rx_attr)
			ep_priv->flags |= info->rx_attr->op_flags;
	}

	psmx2_ep_optimize_ops(ep_priv);

	*ep = &ep_priv->ep;

	return 0;

errout_free_ep:
	free(ep_priv);

errout_free_vlane:
	psmx2_free_vlane(domain_priv, vlane);

errout:
	return err;
}