xref: /freebsd/stand/efi/loader/loader_efi.h (revision 105fd928b0b5b35ab529e5f6914788dc49582901)
1 /*-
2  * Copyright (c) 2013 The FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Benno Rice under sponsorship from
6  * the FreeBSD Foundation.
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef	_LOADER_EFI_COPY_H_
32 #define	_LOADER_EFI_COPY_H_
33 
34 #include <stand.h>
35 #include <readin.h>
36 
37 #ifdef __amd64__
38 enum {
39 	COPY_STAGING_ENABLE,
40 	COPY_STAGING_DISABLE,
41 	COPY_STAGING_AUTO,
42 };
43 extern int copy_staging;
44 #endif
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