include/eeprom_layout.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2009-2016 CompuLab, Ltd.
   4  *
   5  * Authors: Nikita Kiryanov <[email protected]>
   6  *          Igor Grinberg <[email protected]>
   7  */
   8
   9 #ifndef _LAYOUT_
  10 #define _LAYOUT_
  11
  12 #include <eeprom_field.h>
  13
  14 #define RESERVED_FIELDS                 NULL
  15 #define LAYOUT_VERSION_UNRECOGNIZED     -1
  16 #define LAYOUT_VERSION_AUTODETECT       -2
  17
  18 struct eeprom_layout {
  19         struct eeprom_field *fields;
  20         int num_of_fields;
  21         int layout_version;
  22         unsigned char *data;
  23         int data_size;
  24         void (*print)(const struct eeprom_layout *eeprom_layout);
  25         int (*update)(struct eeprom_layout *eeprom_layout, char *field_name,
  26                       char *new_data);
  27 };
  28
  29 struct eeprom_field *eeprom_layout_find_field(struct eeprom_layout *layout,
  30                                               char *field_name, bool warn);
  31 void eeprom_layout_setup(struct eeprom_layout *layout, unsigned char *buf,
  32                          unsigned int buf_size, int layout_version);
  33 __weak void __eeprom_layout_assign(struct eeprom_layout *layout,
  34                                    int layout_version);
  35
  36 #endif