| 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 |