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_FILE_H
33 #define _MLXFW_MFA2_FILE_H
34
35 #include "mlxfw.h"
36 #include <linux/kernel.h>
37
38 struct mlxfw_mfa2_file {
39 const struct firmware *fw;
40 const struct mlxfw_mfa2_tlv *first_dev;
41 u16 dev_count;
42 const struct mlxfw_mfa2_tlv *first_component;
43 u16 component_count;
44 const void *cb; /* components block */
45 u32 cb_archive_size; /* size of compressed components block */
46 };
47
mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file * mfa2_file,const u8 * ptr)48 static inline bool mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file *mfa2_file,
49 const u8 *ptr)
50 {
51 const u8 *valid_to = (const u8 *) mfa2_file->fw->data + mfa2_file->fw->datasize;
52 const u8 *valid_from = mfa2_file->fw->data;
53
54 return ptr > valid_from && ptr < valid_to;
55 }
56
57 #endif
58