1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2017-2019 Mellanox Technologies.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of Mellanox nor the names of contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34#ifndef _MLXFW_MFA2_TLV_MULTI_H
35#define _MLXFW_MFA2_TLV_MULTI_H
36
37#include "mlxfw_mfa2_tlv.h"
38#include "mlxfw_mfa2_format.h"
39#include "mlxfw_mfa2_file.h"
40
41const struct mlxfw_mfa2_tlv *
42mlxfw_mfa2_tlv_multi_child(const struct mlxfw_mfa2_file *mfa2_file,
43			   const struct mlxfw_mfa2_tlv_multi *multi);
44
45const struct mlxfw_mfa2_tlv *
46mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file,
47		    const struct mlxfw_mfa2_tlv *tlv);
48
49const struct mlxfw_mfa2_tlv *
50mlxfw_mfa2_tlv_advance(const struct mlxfw_mfa2_file *mfa2_file,
51		       const struct mlxfw_mfa2_tlv *from_tlv, u16 count);
52
53const struct mlxfw_mfa2_tlv *
54mlxfw_mfa2_tlv_multi_child_find(const struct mlxfw_mfa2_file *mfa2_file,
55				const struct mlxfw_mfa2_tlv_multi *multi,
56				enum mlxfw_mfa2_tlv_type type, u16 index);
57
58int mlxfw_mfa2_tlv_multi_child_count(const struct mlxfw_mfa2_file *mfa2_file,
59				     const struct mlxfw_mfa2_tlv_multi *multi,
60				     enum mlxfw_mfa2_tlv_type type,
61				     u16 *p_count);
62
63#define mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, from_tlv, count) \
64	for (idx = 0, tlv = from_tlv; idx < (count); \
65	     idx++, tlv = mlxfw_mfa2_tlv_next(mfa2_file, tlv))
66
67#define mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) \
68	mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, \
69			       mlxfw_mfa2_tlv_multi_child(mfa2_file, multi), \
70			       be16_to_cpu(multi->num_extensions) + 1)
71#endif
72