12bb3e103SShalom Toledo /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
22bb3e103SShalom Toledo /* Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved */
3410ed13cSYotam Gigi 
4410ed13cSYotam Gigi #ifndef _MLXFW_MFA2_FILE_H
5410ed13cSYotam Gigi #define _MLXFW_MFA2_FILE_H
6410ed13cSYotam Gigi 
7410ed13cSYotam Gigi #include <linux/firmware.h>
8410ed13cSYotam Gigi #include <linux/kernel.h>
9410ed13cSYotam Gigi 
10410ed13cSYotam Gigi struct mlxfw_mfa2_file {
11410ed13cSYotam Gigi 	const struct firmware *fw;
12410ed13cSYotam Gigi 	const struct mlxfw_mfa2_tlv *first_dev;
13410ed13cSYotam Gigi 	u16 dev_count;
14410ed13cSYotam Gigi 	const struct mlxfw_mfa2_tlv *first_component;
15410ed13cSYotam Gigi 	u16 component_count;
16410ed13cSYotam Gigi 	const void *cb; /* components block */
17410ed13cSYotam Gigi 	u32 cb_archive_size; /* size of compressed components block */
18410ed13cSYotam Gigi };
19410ed13cSYotam Gigi 
mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file * mfa2_file,const void * ptr)20410ed13cSYotam Gigi static inline bool mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file *mfa2_file,
21410ed13cSYotam Gigi 					const void *ptr)
22410ed13cSYotam Gigi {
23410ed13cSYotam Gigi 	const void *valid_to = mfa2_file->fw->data + mfa2_file->fw->size;
24410ed13cSYotam Gigi 	const void *valid_from = mfa2_file->fw->data;
25410ed13cSYotam Gigi 
26410ed13cSYotam Gigi 	return ptr > valid_from && ptr < valid_to;
27410ed13cSYotam Gigi }
28410ed13cSYotam Gigi 
29410ed13cSYotam Gigi #endif
30