include/grub/memory.h

   1 /* memory.h - describe the memory map */
   2 /*
   3  *  GRUB  --  GRand Unified Bootloader
   4  *  Copyright (C) 2002,2007,2008  Free Software Foundation, Inc.
   5  *
   6  *  GRUB 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, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  GRUB is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef GRUB_MEMORY_HEADER
  21 #define GRUB_MEMORY_HEADER      1
  22
  23 #include <grub/types.h>
  24 #include <grub/err.h>
  25 #include <grub/machine/memory.h>
  26
  27 grub_err_t grub_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
  28                                                             grub_uint64_t,
  29                                                             grub_uint32_t));
  30 int grub_mmap_register (grub_uint64_t start, grub_uint64_t size, int type);
  31 grub_err_t grub_mmap_unregister (int handle);
  32
  33 void *grub_mmap_malign_and_register (grub_uint64_t align, grub_uint64_t size,
  34                                      int *handle, int type, int flags);
  35
  36 void grub_mmap_free_and_unregister (int handle);
  37
  38 #ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
  39
  40 struct grub_mmap_region
  41 {
  42   struct grub_mmap_region *next;
  43   grub_uint64_t start;
  44   grub_uint64_t end;
  45   int type;
  46   int handle;
  47 };
  48
  49 extern struct grub_mmap_region *grub_mmap_overlays;
  50 #endif
  51
  52 #endif /* ! GRUB_MEMORY_HEADER */