/* efi.h - declare variables and functions for EFI support */
/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2006,2007,2008,2009  Free Software Foundation, Inc.
 *
 *  GRUB is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  GRUB is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRUB_EFI_EFI_HEADER
#define GRUB_EFI_EFI_HEADER	1

#include <grub/types.h>
#include <grub/dl.h>
#include <grub/efi/api.h>

/* Functions.  */
void *grub_efi_locate_protocol (grub_efi_guid_t *protocol,
				void *registration);
grub_efi_handle_t *
grub_efi_locate_handle (grub_efi_locate_search_type_t search_type,
			grub_efi_guid_t *protocol,
			void *search_key,
			grub_efi_uintn_t *num_handles);
void *grub_efi_open_protocol (grub_efi_handle_t handle,
			      grub_efi_guid_t *protocol,
			      grub_efi_uint32_t attributes);
int grub_efi_set_text_mode (int on);
void grub_efi_stall (grub_efi_uintn_t microseconds);
void *grub_efi_allocate_pages (grub_efi_physical_address_t address,
			       grub_efi_uintn_t pages);
void grub_efi_free_pages (grub_efi_physical_address_t address,
			  grub_efi_uintn_t pages);
int grub_efi_get_memory_map (grub_efi_uintn_t *memory_map_size,
			     grub_efi_memory_descriptor_t *memory_map,
			     grub_efi_uintn_t *map_key,
			     grub_efi_uintn_t *descriptor_size,
			     grub_efi_uint32_t *descriptor_version);
grub_efi_loaded_image_t *
grub_efi_get_loaded_image (grub_efi_handle_t image_handle);
void grub_efi_print_device_path (grub_efi_device_path_t *dp);
char *grub_efi_get_filename (grub_efi_device_path_t *dp);
grub_efi_device_path_t *grub_efi_get_device_path (grub_efi_handle_t handle);
int grub_efi_exit_boot_services (grub_efi_uintn_t map_key);
int grub_efi_finish_boot_services (void);
grub_err_t grub_efi_set_virtual_address_map (grub_efi_uintn_t memory_map_size,
					     grub_efi_uintn_t descriptor_size,
					     grub_efi_uint32_t descriptor_version,
					     grub_efi_memory_descriptor_t *virtual_map);

void grub_efi_mm_init (void);
void grub_efi_mm_fini (void);
void grub_efi_init (void);
void grub_efi_fini (void);
void grub_efi_set_prefix (void);

/* Variables.  */
extern grub_efi_system_table_t *grub_efi_system_table;
extern grub_efi_handle_t grub_efi_image_handle;

#endif /* ! GRUB_EFI_EFI_HEADER */
