xref: /freebsd/stand/efi/loader/loader_efi.h (revision ec994981447e8a974426660b5071bc405280af73)
1 /*-
2  * Copyright (c) 2013 The FreeBSD Foundation
3  *
4  * This software was developed by Benno Rice under sponsorship from
5  * the FreeBSD Foundation.
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #ifndef	_LOADER_EFI_COPY_H_
29 #define	_LOADER_EFI_COPY_H_
30 
31 #include <stand.h>
32 #include <readin.h>
33 #include <efi.h>
34 
35 #ifdef __amd64__
36 enum {
37 	COPY_STAGING_ENABLE,
38 	COPY_STAGING_DISABLE,
39 	COPY_STAGING_AUTO,
40 };
41 extern int copy_staging;
42 #endif
43 
44 extern EFI_LOADED_IMAGE *boot_img;
45 
46 int	efi_autoload(void);
47 
48 int	efi_copy_init(void);
49 
50 ssize_t	efi_copyin(const void *src, vm_offset_t dest, const size_t len);
51 ssize_t	efi_copyout(const vm_offset_t src, void *dest, const size_t len);
52 ssize_t	efi_readin(readin_handle_t fd, vm_offset_t dest, const size_t len);
53 void * efi_translate(vm_offset_t ptr);
54 
55 void	efi_copy_finish(void);
56 void	efi_copy_finish_nop(void);
57 
58 #endif	/* _LOADER_EFI_COPY_H_ */
59