system/private/efi/protocol/disk-io.h

// Copyright 2016 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#pragma once

#include <efi/types.h>
#include <efi/boot-services.h>
#include <efi/runtime-services.h>

#define EFI_DISK_IO_PROTOCOL_GUID \
    {0xCE345171, 0xBA0B, 0x11d2, {0x8e, 0x4F, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b}}

extern efi_guid DiskIoProtocol;

#define EFI_DISK_IO_PROTOCOL_REVISION 0x00010000

typedef struct efi_disk_io_protocol efi_disk_io_protocol;

struct efi_disk_io_protocol {
    uint64_t Revision;
    efi_status (*ReadDisk)(efi_disk_io_protocol* self,
                           uint32_t MediaId, uint64_t Offset,
                           uint64_t BufferSize, void* Buffer) EFIAPI;
    efi_status (*WriteDisk)(efi_disk_io_protocol* self,
                            uint32_t MediaId, uint64_t Offset,
                            uint64_t BufferSize, const void* Buffer) EFIAPI;
};