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
32#ifndef _MLXFW_MFA2_TLV_MULTI_H
33#define _MLXFW_MFA2_TLV_MULTI_H
34
35#include "mlxfw_mfa2_tlv.h"
36#include "mlxfw_mfa2_format.h"
37#include "mlxfw_mfa2_file.h"
38
39const struct mlxfw_mfa2_tlv *
40mlxfw_mfa2_tlv_multi_child(const struct mlxfw_mfa2_file *mfa2_file,
41			   const struct mlxfw_mfa2_tlv_multi *multi);
42
43const struct mlxfw_mfa2_tlv *
44mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file,
45		    const struct mlxfw_mfa2_tlv *tlv);
46
47const struct mlxfw_mfa2_tlv *
48mlxfw_mfa2_tlv_advance(const struct mlxfw_mfa2_file *mfa2_file,
49		       const struct mlxfw_mfa2_tlv *from_tlv, u16 count);
50
51const struct mlxfw_mfa2_tlv *
52mlxfw_mfa2_tlv_multi_child_find(const struct mlxfw_mfa2_file *mfa2_file,
53				const struct mlxfw_mfa2_tlv_multi *multi,
54				enum mlxfw_mfa2_tlv_type type, u16 index);
55
56int mlxfw_mfa2_tlv_multi_child_count(const struct mlxfw_mfa2_file *mfa2_file,
57				     const struct mlxfw_mfa2_tlv_multi *multi,
58				     enum mlxfw_mfa2_tlv_type type,
59				     u16 *p_count);
60
61#define mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, from_tlv, count) \
62	for (idx = 0, tlv = from_tlv; idx < (count); \
63	     idx++, tlv = mlxfw_mfa2_tlv_next(mfa2_file, tlv))
64
65#define mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) \
66	mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, \
67			       mlxfw_mfa2_tlv_multi_child(mfa2_file, multi), \
68			       be16_to_cpu(multi->num_extensions) + 1)
69#endif
70