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/** @file
GBL EFI Boot Memory Protocol.
Provides APIs for retrieving and synchronizing boot and partition buffers.
Related docs:
https://android.googlesource.com/platform/bootable/libbootloader/+/refs/heads/gbl-mainline/gbl/docs/gbl_efi_boot_memory_protocol.md
Copyright (c) 2025, The Android Open Source Project.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#pragma once
#include <Uefi/UefiBaseType.h>
//
// {309f2874-ad59-4fd2-af5e-ce0f4ab401a6}
//
#define GBL_EFI_BOOT_MEMORY_PROTOCOL_GUID \
{ 0x309f2874, 0xad59, 0x4fd2, { 0xaf, 0x5e, 0xce, 0x0f, 0x4a, 0xb4, 0x01, 0xa6 } }
#define GBL_EFI_BOOT_MEMORY_PROTOCOL_REVISION 0x00010000
typedef struct _GBL_EFI_BOOT_MEMORY_PROTOCOL GBL_EFI_BOOT_MEMORY_PROTOCOL;
typedef enum {
GblEfiBootBufferTypeGeneralLoad = 0,
GblEfiBootBufferTypeKernel,
GblEfiBootBufferTypeRamdisk,
GblEfiBootBufferTypeFdt,
GblEfiBootBufferTypePvmfwData,
GblEfiBootBufferTypeFastbootDownload
} GBL_EFI_BOOT_BUFFER_TYPE;
typedef enum {
GblEfiPartitionBufferFlagPreloaded = BIT0
} GBL_EFI_PARTITION_BUFFER_FLAG;
typedef
EFI_STATUS
(EFIAPI *GBL_EFI_BOOT_MEMORY_GET_PARTITION_BUFFER)(
IN GBL_EFI_BOOT_MEMORY_PROTOCOL *This,
IN CONST CHAR8 *BaseName,
OUT UINTN *Size,
OUT VOID **Addr,
OUT UINT32 *Flag // GBL_EFI_PARTITION_BUFFER_FLAG
);
typedef
EFI_STATUS
(EFIAPI *GBL_EFI_BOOT_MEMORY_SYNC_PARTITION_BUFFER)(
IN GBL_EFI_BOOT_MEMORY_PROTOCOL *This,
IN BOOLEAN SyncPreloaded
);
typedef
EFI_STATUS
(EFIAPI *GBL_EFI_BOOT_MEMORY_GET_BOOT_BUFFER)(
IN GBL_EFI_BOOT_MEMORY_PROTOCOL *This,
IN UINT32 BufType, // GBL_EFI_BOOT_BUFFER_TYPE
OUT UINTN *Size,
OUT VOID **Addr
);
struct _GBL_EFI_BOOT_MEMORY_PROTOCOL {
UINT64 Revision;
GBL_EFI_BOOT_MEMORY_GET_PARTITION_BUFFER GetPartitionBuffer;
GBL_EFI_BOOT_MEMORY_SYNC_PARTITION_BUFFER SyncPartitionBuffer;
GBL_EFI_BOOT_MEMORY_GET_BOOT_BUFFER GetBootBuffer;
};
extern EFI_GUID gGblEfiBootMemoryProtocolGuid;
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