xref: /openbsd/sys/arch/riscv64/stand/efiboot/efidt.h (revision 4fb9ab68)
1 /*	$OpenBSD: efidt.h,v 1.1 2024/06/17 09:12:45 kettenis Exp $	*/
2 
3 /*
4  * Copyright (c) 2024 Mark Kettenis <kettenis@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/param.h>
20 
21 #include <efi.h>
22 #include <efiapi.h>
23 
24 #define EFI_DT_FIXUP_PROTOCOL_GUID		\
25   { 0xe617d64c, 0xfe08, 0x46da, \
26     { 0xf4, 0xdc, 0xbb, 0xd5, 0x87, 0x0c, 0x73, 0x00 } }
27 
28 INTERFACE_DECL(_EFI_DT_FIXUP_PROTOCOL);
29 
30 typedef EFI_STATUS
31 (EFIAPI *EFI_DT_FIXUP) (
32     IN struct _EFI_DT_FIXUP_PROTOCOL	*This,
33     IN VOID				*Fdt,
34     IN OUT UINTN			*BufferSize,
35     IN UINT32				Flags
36     );
37 
38 #define EFI_DT_APPLY_FIXUPS	0x00000001
39 #define EFI_DT_RESERVE_MEMORY	0x00000002
40 
41 typedef struct _EFI_DT_FIXUP_PROTOCOL {
42 	UINT64			Revision;
43 	EFI_DT_FIXUP		Fixup;
44 } EFI_DT_FIXUP_PROTOCOL;
45