1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2 /* Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved */ 3 4 #ifndef _MLXFW_MFA2_FILE_H 5 #define _MLXFW_MFA2_FILE_H 6 7 #include <linux/firmware.h> 8 #include <linux/kernel.h> 9 10 struct mlxfw_mfa2_file { 11 const struct firmware *fw; 12 const struct mlxfw_mfa2_tlv *first_dev; 13 u16 dev_count; 14 const struct mlxfw_mfa2_tlv *first_component; 15 u16 component_count; 16 const void *cb; /* components block */ 17 u32 cb_archive_size; /* size of compressed components block */ 18 }; 19 20 static inline bool mlxfw_mfa2_valid_ptr(const struct mlxfw_mfa2_file *mfa2_file, 21 const void *ptr) 22 { 23 const void *valid_to = mfa2_file->fw->data + mfa2_file->fw->size; 24 const void *valid_from = mfa2_file->fw->data; 25 26 return ptr > valid_from && ptr < valid_to; 27 } 28 29 #endif 30