drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_file.h

   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