xref: /freebsd/sys/dev/mlxfw/mlxfw_mfa2_tlv_multi.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2017-2019 Mellanox Technologies.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name of Mellanox nor the names of contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

#ifndef _MLXFW_MFA2_TLV_MULTI_H
#define _MLXFW_MFA2_TLV_MULTI_H

#include "mlxfw_mfa2_tlv.h"
#include "mlxfw_mfa2_format.h"
#include "mlxfw_mfa2_file.h"

const struct mlxfw_mfa2_tlv *
mlxfw_mfa2_tlv_multi_child(const struct mlxfw_mfa2_file *mfa2_file,
			   const struct mlxfw_mfa2_tlv_multi *multi);

const struct mlxfw_mfa2_tlv *
mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file,
		    const struct mlxfw_mfa2_tlv *tlv);

const struct mlxfw_mfa2_tlv *
mlxfw_mfa2_tlv_advance(const struct mlxfw_mfa2_file *mfa2_file,
		       const struct mlxfw_mfa2_tlv *from_tlv, u16 count);

const struct mlxfw_mfa2_tlv *
mlxfw_mfa2_tlv_multi_child_find(const struct mlxfw_mfa2_file *mfa2_file,
				const struct mlxfw_mfa2_tlv_multi *multi,
				enum mlxfw_mfa2_tlv_type type, u16 index);

int mlxfw_mfa2_tlv_multi_child_count(const struct mlxfw_mfa2_file *mfa2_file,
				     const struct mlxfw_mfa2_tlv_multi *multi,
				     enum mlxfw_mfa2_tlv_type type,
				     u16 *p_count);

#define mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, from_tlv, count) \
	for (idx = 0, tlv = from_tlv; idx < (count); \
	     idx++, tlv = mlxfw_mfa2_tlv_next(mfa2_file, tlv))

#define mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) \
	mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, \
			       mlxfw_mfa2_tlv_multi_child(mfa2_file, multi), \
			       be16_to_cpu(multi->num_extensions) + 1)
#endif