src/include/fmap.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright 2015 Google Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef _FMAP_H_
  17 #define _FMAP_H_
  18
  19 #include <commonlib/region.h>
  20 #include <commonlib/fmap_serialized.h>
  21
  22 /* Locate the fmap directory. Return 0 on success, < 0 on error. */
  23 int find_fmap_directory(struct region_device *fmrd);
  24
  25 /* Locate the named area in the fmap and fill in a region device representing
  26  * that area. The region is a sub-region of the readonly boot media. Return
  27  * 0 on success, < 0 on error. */
  28 int fmap_locate_area_as_rdev(const char *name, struct region_device *area);
  29
  30 /* Locate the named area in the fmap and fill in a region with the
  31  * offset and size of that area within the boot media. Return 0 on success,
  32  * < 0 on error. */
  33 int fmap_locate_area(const char *name, struct region *r);
  34
  35 /* Find fmap area name by offset and size.
  36  * Return 0 on success, < 0 on error. */
  37 int fmap_find_region_name(const struct region * const ar,
  38         char name[FMAP_STRLEN]);
  39 #endif