1*3b2324c3SHans Petter Selasky /*-
2*3b2324c3SHans Petter Selasky * SPDX-License-Identifier: BSD-3-Clause
3*3b2324c3SHans Petter Selasky *
4*3b2324c3SHans Petter Selasky * Copyright (c) 2017-2019 Mellanox Technologies.
5*3b2324c3SHans Petter Selasky * All rights reserved.
6*3b2324c3SHans Petter Selasky *
7*3b2324c3SHans Petter Selasky * Redistribution and use in source and binary forms, with or without
8*3b2324c3SHans Petter Selasky * modification, are permitted provided that the following conditions
9*3b2324c3SHans Petter Selasky * are met:
10*3b2324c3SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright
11*3b2324c3SHans Petter Selasky * notice, this list of conditions and the following disclaimer.
12*3b2324c3SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright
13*3b2324c3SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the
14*3b2324c3SHans Petter Selasky * documentation and/or other materials provided with the distribution.
15*3b2324c3SHans Petter Selasky * 3. Neither the name of Mellanox nor the names of contributors
16*3b2324c3SHans Petter Selasky * may be used to endorse or promote products derived from this software
17*3b2324c3SHans Petter Selasky * without specific prior written permission.
18*3b2324c3SHans Petter Selasky *
19*3b2324c3SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20*3b2324c3SHans Petter Selasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*3b2324c3SHans Petter Selasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*3b2324c3SHans Petter Selasky * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23*3b2324c3SHans Petter Selasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*3b2324c3SHans Petter Selasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*3b2324c3SHans Petter Selasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*3b2324c3SHans Petter Selasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*3b2324c3SHans Petter Selasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*3b2324c3SHans Petter Selasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*3b2324c3SHans Petter Selasky * SUCH DAMAGE.
30*3b2324c3SHans Petter Selasky */
31*3b2324c3SHans Petter Selasky
32*3b2324c3SHans Petter Selasky #ifndef _MLXFW_MFA2_FILE_H
33*3b2324c3SHans Petter Selasky #define _MLXFW_MFA2_FILE_H
34*3b2324c3SHans Petter Selasky
35*3b2324c3SHans Petter Selasky #include "mlxfw.h"
36*3b2324c3SHans Petter Selasky #include <linux/kernel.h>
37*3b2324c3SHans Petter Selasky
38*3b2324c3SHans Petter Selasky struct mlxfw_mfa2_file {
39*3b2324c3SHans Petter Selasky const struct firmware *fw;
40*3b2324c3SHans Petter Selasky const struct mlxfw_mfa2_tlv *first_dev;
41*3b2324c3SHans Petter Selasky u16 dev_count;
42*3b2324c3SHans Petter Selasky const struct mlxfw_mfa2_tlv *first_component;
43*3b2324c3SHans Petter Selasky u16 component_count;
44*3b2324c3SHans Petter Selasky const void *cb; /* components block */
45*3b2324c3SHans Petter Selasky u32 cb_archive_size; /* size of compressed components block */
46*3b2324c3SHans Petter Selasky };
47*3b2324c3SHans Petter Selasky
mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file * mfa2_file,const u8 * ptr)48*3b2324c3SHans Petter Selasky static inline bool mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file *mfa2_file,
49*3b2324c3SHans Petter Selasky const u8 *ptr)
50*3b2324c3SHans Petter Selasky {
51*3b2324c3SHans Petter Selasky const u8 *valid_to = (const u8 *) mfa2_file->fw->data + mfa2_file->fw->datasize;
52*3b2324c3SHans Petter Selasky const u8 *valid_from = mfa2_file->fw->data;
53*3b2324c3SHans Petter Selasky
54*3b2324c3SHans Petter Selasky return ptr > valid_from && ptr < valid_to;
55*3b2324c3SHans Petter Selasky }
56*3b2324c3SHans Petter Selasky
57*3b2324c3SHans Petter Selasky #endif
58