/*      $OpenBSD: efidt.h,v 1.1 2024/06/17 09:12:45 kettenis Exp $      */

/*
 * Copyright (c) 2024 Mark Kettenis <kettenis@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/param.h>

#include <efi.h>
#include <efiapi.h>

#define EFI_DT_FIXUP_PROTOCOL_GUID              \
  { 0xe617d64c, 0xfe08, 0x46da, \
    { 0xf4, 0xdc, 0xbb, 0xd5, 0x87, 0x0c, 0x73, 0x00 } }

INTERFACE_DECL(_EFI_DT_FIXUP_PROTOCOL);

typedef EFI_STATUS
(EFIAPI *EFI_DT_FIXUP) (
    IN struct _EFI_DT_FIXUP_PROTOCOL    *This,
    IN VOID                             *Fdt,
    IN OUT UINTN                        *BufferSize,
    IN UINT32                           Flags
    );

#define EFI_DT_APPLY_FIXUPS     0x00000001
#define EFI_DT_RESERVE_MEMORY   0x00000002

typedef struct _EFI_DT_FIXUP_PROTOCOL {
        UINT64                  Revision;
        EFI_DT_FIXUP            Fixup;
} EFI_DT_FIXUP_PROTOCOL;