/*
 * Copyright (c) 2017 Intel Corporation, Inc.  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
 * 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.
 */

#include <stdlib.h>
#include <string.h>

#include "smr.h"

static struct fi_ops_domain smr_domain_ops = {
	.size = sizeof(struct fi_ops_domain),
	.av_open = smr_av_open,
	.cq_open = smr_cq_open,
	.endpoint = smr_endpoint,
	.scalable_ep = fi_no_scalable_ep,
	.cntr_open = fi_no_cntr_open,
	.poll_open = fi_poll_create,
	.stx_ctx = fi_no_stx_context,
	.srx_ctx = fi_no_srx_context,
	.query_atomic = smr_query_atomic,
};

static int smr_domain_close(fid_t fid)
{
	int ret;
	struct smr_domain *domain;

	domain = container_of(fid, struct smr_domain, util_domain.domain_fid.fid);
	ret = ofi_domain_close(&domain->util_domain);
	if (ret)
		return ret;

	free(domain);
	return 0;
}

static struct fi_ops smr_domain_fi_ops = {
	.size = sizeof(struct fi_ops),
	.close = smr_domain_close,
	.bind = fi_no_bind,
	.control = fi_no_control,
	.ops_open = fi_no_ops_open,
};

static struct fi_ops_mr smr_mr_ops = {
	.size = sizeof(struct fi_ops_mr),
	.reg = ofi_mr_reg,
	.regv = ofi_mr_regv,
	.regattr = ofi_mr_regattr,
};

int smr_domain_open(struct fid_fabric *fabric, struct fi_info *info,
		struct fid_domain **domain, void *context)
{
	int ret;
	struct smr_domain *smr_domain;
	struct smr_fabric *smr_fabric;

	ret = ofi_prov_check_info(&smr_util_prov, fabric->api_version, info);
	if (ret)
		return ret;

	smr_domain = calloc(1, sizeof(*smr_domain));
	if (!smr_domain)
		return -FI_ENOMEM;

	ret = ofi_domain_init(fabric, info, &smr_domain->util_domain, context);
	if (ret) {
		free(smr_domain);
		return ret;
	}

	smr_fabric = container_of(fabric, struct smr_fabric, util_fabric.fabric_fid);
	fastlock_acquire(&smr_fabric->util_fabric.lock);
	smr_domain->dom_idx = smr_fabric->dom_idx++;
	smr_domain->fast_rma = smr_fast_rma_enabled(info->domain_attr->mr_mode,
						    info->tx_attr->msg_order);
	fastlock_release(&smr_fabric->util_fabric.lock);

	*domain = &smr_domain->util_domain.domain_fid;
	(*domain)->fid.ops = &smr_domain_fi_ops;
	(*domain)->ops = &smr_domain_ops;
	(*domain)->mr = &smr_mr_ops;

	return 0;
}
